NE WSLET ACADEMY OF MODEL AERONAUTICS 815 FIFTEENTH STREET NW WASHINGTON DC 20005 FAI RC SOARING TEAM SELECTION PROGRAM Ray Marvin Chairman FAI RC Soaring Team Selection Pro gram underway again select US team go World Championships 1979 Plans run program essenti ally same manner previous Jim Simpson ably conducted good program resulted team went take first place individual first place team honors World Championship South Africa coming program will seeking team can repeat performance program being administered National Soaring Society restricted NSS members open AMA members aware program works procedure follows first step enter quarter-finals con test cost will $25 plus cost FAI stamp will no additional charge advance semi-finals finals process setting up contest schedule now check area see quarter-finals contest sched uled get club sponsor get AMA Contest Director club ap ply sanction schedule meet dur ing month April May June CD quarter-finals contest will provided program registration forms will able collect FAI stamps AMA membership contestant reg isters CD must check valid current AMA license FAI stamp collect $25 program entry fee fill out registration form Following quarter-finals CD will complete contest report names scores entrants regardless standing report will forwarded entry fees collect AMA Headquarters immediate ly upon completion contest Entry fees will used primarily team travel within US country World Championships apportionment AMA dues covers over-ocean travel contests will run strict accor dance FAI rules exception motorgliders excluded order ad vance semi-finals contestant must tain least 80% winning score after least three complete rounds fail first attempt may enter other quarter-finals contest try again qualify fly semi-finals may attend choose will six 10 scheduled various parts country will flown over first weekend July 1-3 follow ing weekend 8-9 contest given area may scheduled first week end second may scheduled second weekend Results semi-final contests will forwarded program chairman number contestants semi-finals contest eligible ad vance finals will determined accord ing following formula Number contests semi-finals x 36 Total number contestants semi-finals will notified eligible attend must notify finals CD plan attend Alternates will invited attend have qualified un able Finals competition will over Labor Day weekend least six rounds will flown top three fliers will com prise US team should unable attend first alternates finals will invited convention three members preceding team automatically quali fied enter finals Skip Miller Dale Nutter LeMon Payne may en ter no two quarter-finals semi-final payment entry fee However scores will used calculate else eligible advance competition site finals contest has yet de term ed will known until March 1978 World Championships will held AMA has made bid have US important thing now get team selection program squared away So want participate just follow pro cedure outlined above sure let know have scheduled quarter-finals contest have questions about program please feel free write ad dress Ray Marvin 2781 5 Garfield Denver CO 80210 names addresses Team Se lection Committee members follows may contacted information con cerning program District Dwight Holley 151 Chestnut Ridge Bethel CT 06801 District II Leon Pike RD 1 Lowman NY 14861 District Ill Dave Burt 180 5 8th St Apt 4 Indiana PA 15701 District IV Brian Foster 1757 Latonia Rd Winston Salem NC 271 07 District V Jim W Lenoir 6017 Ellington Rd NW Huntsville AL 35810 District VI John Nielsen 3744 Lake Wil mette IL 60091 District VII Warren Tiahrt 1086 Ashley Troy Ml 48098 District VIII Dale Nutter 7935 5 New Haven Tulsa OK 74136 District IX Skip Miller 655 Maxwell Ave Boulder CO 80302 District X Dave Thornburg 3635 Mt Vernon Rd Sebastopol CA 95472 District Xl Don Burt 4001 5 275th P1 Auburn WA 98002 FAI RULES CHANGES following new changed rules adopted FAI Committee Interna tional Aero Modeling ClAM its annual meeting December Paris AMA com petition purposes such new changed rules effective immediately January 11978 anticipated Control Line rules changes will applied 1978 CL World Championships Indoor Free Flight Collision Rule Reflights Add re commenced flight must flown before next official flight US proposal slightly modifiedbased principle reflights should made essentially same air conditions original flight Timing Add c time recorded mean two times registered timekeepers reduced nearest whole number seconds below resulting mean time New Beginners Class Provisional rules established based upon modified FF Subcommittee proposal class mon oplanes 460mm 1811 mum wing span 3 grams 1058 oz minimum model weight rubber motor 15 grams 0529 oz maximum rubber motor weight Microfilm covering excluded other covering material may used Only flights 60 seconds considered official steering prohibited otherwise rules same World Champion ships class Steering Authorized use 1978 Indoor World Championships new rules adopted 1975 have implementation delayed until 1979 rules shown 1976-77 AMA rule book Outdoor Free Flight Flight Procedure Starting positions line right angles prevalent wind indicated small poles respaced 7 10 meters 23-328 feet apart Fl A-2 Glider 4 5 meters 131-164 March1978 73 FAI Rules Cont feet Fl B Fl C Wakefield Rubber FAI Power A-i Towline Gliders New provisional rules approved providing maximum sur face area 18 sq din 279 sq mini mum weight 220 grams 776 oz maxi mum towline length 50 meters 164 feet five official flights having maximum flight time 120 seconds Other fact requirement timers use bi noculars World Championships appli cable A-i remaining A-2 rules also applicable A-i Note Due revi sions new National AMA Records start ed category January 1 1978 Control Line Speed Fuel Now requires 80% methanol 20% castor oil equivalent75/25 formula eliminated Diameter Control Lines clarification given minimum diameter 389mm anything over okay Line Spacing previous definition reworded expand restrictions against line linking No intentional twisting and/or linking two lines together shall per mitted point exit model control handle lines shall sep arated least 5mm 2 point exit model least 25mm 98 handle Timekeeping slight rewording ap proved provides competitor right repeat flight difference tween two times recorded greater 2/i 0th second CL Aerobatics Hand Signal Elimination US pro posal rejected 8 ii against Scoring US proposal accepted maneuver flown out sequence will scored Omitted maneuvers scored succeeding maneuvers considered sequence flown proper order relative remainder flight pat tern CL Team Racing Timekeepers Belgian proposal ac cepted replace previous paragraph 7a required two timekeepers two lap counters three timekeepers follows Three timekeepers assigned team stand outside flying circle near starting point model control charge timekeeping lap counting particular team Para graph 12b changed accordingly 1 2c referring lap counters deleted Duties Jury new paragraph has added section 13 c time penalty five seconds shall given team start ing engines before starting signal CL Combat Jury Guide Several US proposals clari fy description handle illus tration specify crepe paper streamer should have minimum weight 50 grams per sq meter referred CL Subcommittee further action Competitor following clarification added para 4 helpers maxi mum 6 other team members team manager must registered partici patingon no national team beginning competition through its close Method Scoring new item U.SSR added section 11 g whole second stay ground model shall penalized 1 point case model flyaway lines handle ground time shall com mence moment such flyaway Cancellation Flight new item sec tion 16 US Netherlands added releases controls model flight before has come complete stop landing Radio Control Aerobatics complete new set rules approved per text elsewhere issue some interesting special features Total weight now measured fuel no longer wing loading requirementonly maximum surface area Maneuvers now three groups pattern B pattern list extra maneuvers can used finals World Championships competi tion normally will two flights B patterns top 10% contestants top five whichever larger will choose 14 maneuvers among three groups fly two NEW NATIONAL RECORDS STARTED JANUARY 1 conclusion rules-change cy cle review made see what new categor ies have reached official status enabling flight performances considered National AMA Record purposes whether rules have changed other categories such flight performance potential consid ered reduced latter case also flights scored differently new rules fresh new records started effective date new rules New records thus started following flights made AMA sanctioned competition beginning January 11978 Indoor Ornithopter three age classes three ceiling heights Novice Pennyplane three age classes three ceiling heights Outdoor Free Flight Electric Power three age classes A-i Towline Glider three age classes Category Ill same events Cat II three age classes Class C FF Power three age classes Cate gories 111 Ill Class D FF Power three age classes Cate gories 111 Ill Ornithopter three age classes Categories land Ill Control Line Junior B Proto Speed Senior AA B C Speed Profile Proto B Proto Speed Open D Speed 1AA Profile Proto B Proto Speed Note 1AA Proto full fuselage event eliminated flights finals contests other World Championships fixed schedule using same maneuvers may provid ed idea simplifying Contest Direc tor judging problems eliminating pilots choice maneuvers Noise Measurement Based US ex perience 1977 World Championships Springfield OH Aerobatics Subcommit tee will restudy silencer requirements view toward simplifying improving requirements application 1979 World Championships RC Pylon Racing previous official rules changed provisional status could exper imented easilywith goal finding universally acceptable model Continued page 78 FAI ClAM TECHNICAL MEETINGS list took part 1977 annual ClAM meetings Paris reads like Whos International Model Aviation Because stature people strongly influence trends progress activity therefore im portant AMA well represented meetingsso among lead ers rather followers four basic aeromodeling tech nical meetings Parisgatherings techni cal experts countries meet ings produced recommendations 29 voting delegates per country final say FAI rules changes meet ings took part Control Line Laird Jackson USA E Rumpel W Germany M Souliac France Y Sirotkin USSR Aarts Netherlands J Magne France R Beck Hungary Free Flight P Allnutt Canada P Chausse bourg France George Xenakis USA E Krill AustriaA Oschatz E GermanyC Sundstedt Sweden Abaunza Mexico G Burford Australia Kaynes United Kingdom M Dilly New Zealand M EI-Azizi Egypt V Sreckovic Yugoslavia W Koelliker Switzer land Scale H K Ziegler Switzerland D E Thumpston United Kingdom E Sharp Can ada Y Sirotkin USSR JP Jensen Denmark Bob Wischer USA Aarts Netherlands C Sundstedt Sweden J Reggiori France Beaufils France Radio Control Chris Olsen United King dom Jean-Claude Rey France Andre Beaufils France Georghiou Charalambos Cyprus Luigi Bovo Italy Warren Hitchcox Canada Ted Sharp Canada John Clemens USA Don Lowe USA Don Mackenzie So Africa Joe Dible Ireland Jean Ganier France John Burkam USA Adam Sattler USA John Worth USA Peter Blommaart Belgium Narve Jensen Norway Ottar Stensbol Norway Jens Jensen Denmark Werner Groth W Ger Werner Koelliker Switzerland Camille Gerard Luxembourg Axel Tigerstedt Fin land Geoff Dallimar United Kingdom Note RC Committee uses separate subcommittees Aerobatics Pylon Racing Thermal Soaring Helicopters 1978 new RC subcommittee added ElectraFlight electric motor powered models 74 Model Aviation FAI RC AEROBATIC POWER MODELS F3A AS ADOPTED DECEMBER 1977 1 Definition Radio Controlled Power Model Model Aircraft aerodynamic ally maneuvered control surfaces atti tude direction altitude pilot ground using radio control 2 Prefabrication Model Permitted model aircraft assembled com petitor prefabricated parts competitor installs equipment permitted models completely pre fabricated require few minutes unskilled effort completion com plete ready-to-fly models have built person other pilot 3 General Characteristics Radio Con trolled Power Models Maximum surface area St 150 din2 2325 sq Maximum tal weight fuel 5 kg 11023 lbs Maximum swept volume motors 10 cm3 61 cu maximum noise level method measuring stated Annex 4 Number Helpers pilot allowed helper during flight Two helpers may present during starting motor 5 Number Flights competitor has right four official flights 6 Definition Attempt tempt a when pilot announces take-off maneuver b when model fails commence take-off maneuver within three minutes allowed competitor c if motor stops after pilot has nounced start take-off before model airborne may started within 3-minute period However no points will awarded subsequent take-off ma neu ver 7 Number Attempts competitor entitled attempt official flight NB An attempt can repeated discretion Jury un foreseen reason outside control competitor model fails make start ie radio interference 8 Definition Official Flight official flight attempt made what ever result 9 Marking maneuver may awarded marks between 0 10 judges during flight marks multiplied coefficient varies difficul ty maneuver Any maneuver com pleted should scored 0 maneuvers must performed plane height will allow seen clearly judges approximately 60 degrees vertical ly 90 degrees horizontally non-ob servance rule will heavily penalized loss points model opinion judges unsafe being flown unsafe manner may instruct pilot land 1OClassification See Annex 11Judging World Championships a the organizer must appoint panel least three judges flight judges shall preferably different nationalities elected list persons approved National Aero Clubs ClAM specific system employed World Championship must stated ad vance organizers must have ap proval ClAM ClAM Bureau b shall judges briefing training flights before WC 12Organization RC Aerobatic Contests transmitters contest site must checked placed compound kept under observation During contest Stewards must control transmit ter compounds will issue transmitter competitor name called make flight As soon competitor has made official flight competitor will immediately return transmitter Steward Any unauthorized transmissions during period contest will result auto matic exclusion offe,der en tire contest render him liable further penalties During flight competitor must stay proximity judges under supervision Course Steward order starting various coun tries will established means draw before start contest compatible transmitter frequencies Competitors must called least five minutes before required occupy starting area Once competitor has given per mission start may delay no longer minute before attempting start motor timer will notify competitor minute finished immediately start timing 3-minute starting time organizer must provide adequate radio monitor purpose detecting radio interference means communi cating information pilot NEW FM PA1TERN RULES AFFECT ON AMA EXPERT AND MASTER CLASSES Its too soon fully assess what effect new FAI RC Aerobatics rules will have AMA Expert Master classesbut some al ready have expressed opinion new FAI World Championships system two flights pattern two flights other pattern additional two flights top fliers third pattern will compatible typical US contests Fur thermore theres aspect RC Con test Board pre-existing FAI pattern mind voted Ex pert Class would fly FAI pattern just same Master Class fliers will go unclear written late December Among possibilities might considered ever return Expert pattern Expert Class fliers and/or creation single composite pattern both Expert Master fliers Any action RC Contest Board will reported earliest possible time 13Scliedule Maneuvers RC Aerobatic Power Models maneuvers must execu ted during uninterrupted flight order listed time model passes front judges maneuver must executed except after take-off before landing case pass may made maneuver being performed recommended pilot helper should vocally indicate judges pilot about execute maneuver competitor may make attempt maneuver during flight pilot has three minutes start motor 10 min utes complete flight 10 minutes start competitor attempts start motor NB pass made model flies over line perpendicular center judges schedule maneuvers given An nex B descriptions maneuvers Annex C ANNEX 3 Noise Measurement defined ClAM RC Subcommittee 1OClassification competitor will have four flights two Schedule two Schedule B best scores schedule will added together determine team placings top 10% first five competitors will compete fi nal determine individual winner final will consist two flights com petitor best will added previous score determine winner final schedule will chosen competi tor complete list maneuvers Only 14 different maneuvers may selected cluding take-off landing give maxi mum total score 450 points Only Figure M may included ANNEX B Schedule Ta ke-Off Double Immelmann Three Reverse Inside Loops Rolling Eight Slow Roll Top Hat Horizontal Eight Figure M /4 Rolls Three Outside Loops Three-Turn Spin Three Horizontal Rolls Landing Total x 10 ctor 2 3 2 3 3 2 5 2 2 3 290 K Factor 2 2 2 2 2 4 3 3 5 2 290 March 1978 75 Schedule B Take Off Reverse Double Immelmann Cuban Eight Three Inside Loops Straight Inverted Vertical Eight Four-Point Roll Three Reverse Outside Loops Two Rolls Opposite Directions Figure M /4 Rolls Cobra Roll Landing Total x 10 Pattern Rules Cont List Extra Maneuvers FinalsK Factor Avalanche3 Inverted Spin3 Square Horizontal Eight4 Eight-Point Roll4 Vertical Roll3 Aileron Turn3 Figure M3 Square Loop Four Rolls5 Two Snap Rolls Opposite Directions5 Reverse Knife Edge4 Inverted Top Hat4 Reverse Cuban Eight2 Reverse Point Roll4 Triangle Rolling Loop4 ANNEX C DESCRIPTIONS OF MANEUVERS maneuvers will start finish straight level flight have same altitude heading entry exit unless otherwise stated maneuvers will downgraded start finish straight level altitude heading same exit entry maneuvers have loop shall have loops same diameter similarly maneuvers have roll shall have rolls same roll rate consecutive rolls shall same alti tude Take-Off model must stand still ground motor running ing held must take off take-off run should straight model lift gently ground climb gradual angle take-off completed model approximately two meters 6% feet ground Downgrades 1 Model does stand still released 2 Changes heading during take-off climb 3 Model jumps ground 4 Retouches ground after becoming air borne 5 Too steep climb angle 6 Gallops elevation during climb 7 Wings level time Double lmmelmann Model pulls upintoa half inside loop half rolls upright flies straight level approximately second does half outside loop half rolls level flight Downgrades 1 Half loops deviate left right 2 Half rolls immediately after half loops 3 Half rolls deviate left right 4 Model pauses second fore half outside loop 5 Half loops same altitude Three Reverse Inside Loops Model half rolls level flight pauses approximately second does three consecutive side loops downward flies approximately second inverted half rolls upright loops should round superimposed Downgrades 1 Changes heading during half rolls 2 Loops round 3 Loops superimposed 4 Wings level during loops 5 Changes heading during loops Rolling Eight Model pulls upfrom level flight completes inside loop bottom exe cutes half roll makes second inside loop directly under first half rolls back level flight Downgrades 1 Loopsnotround 2 Second loop directly under first 3 Model level start finish half rolls 4 Changes heading during loops rolls 5 Wings level during loops Slow Roll Model rolls slowly through complete revolution either direction ma neuver takes approximately five seconds Downgrades 1 Changes heading 2 Changes altitude 3 Roll rate constant 4 Model does roll exactly 360 degrees 5 Roll takes less 4 6 se conds Top Hat Model pulls up vertical atti tude pauses makes half roll pauses pulls over inverted flight short period pulls down pauses makes half roll pauses re covers level flight Downgrades 1 Model vertical before starting fin ishing rolls 2 Rolls exactly 180 degrees 3 Model does fly straight level verted 4 Vertical horizontal legs same length 5 Rolls same length 6 Changes heading during maneuver Horizontal Eight Model pulls up com pletes % inside loop vertical posi tion does complete outside loop vertical position again recovers doing /4 inside loop Downgrades 1 Loops round 2 Model vertical crossover point 3 Changes heading during loops 4 Loops same diameter 5 Loops same altitude 6 Model does crossover same point Figure M Rolls Model pulls up vertical attitude executes /4 roll stall turns through 180 degrees turns again same direction first roll does out side loop vertical attitude again rolls same direction first two does verted stall turn through 180 degrees /4 rolls same direction other three recovers level flight Viewed side model executes figure M Downgrades 1 Model vertical start finish rolls stall turns 2 Stall turns 180 degrees 3 /4 rolls exactly 90 degrees 4 Bottom outside loop level en try 5 Changes heading during outside loop rolls 6 Stall turns same altitude Three Outside Loops Model pushes over executes three consecutive outside loops loops should round superimposed Downgrades 1 Loops round 2 Loops supsrimposed 3 Wings level during loops 4 Changes heading during loops Three-Turn Spin model establishes heading power reduced model held slightly nose high attitude until stalls commences spin model will autorate through three complete turns recover same heading different alti tude Downgrades 1 Entry level 2 Does make three turns less two four score zero 3 Does finish same heading 4 Wings level during recovery 5 Spiral dive scores zero Three Horizontal Rolls Model rolls uni form rate through three complete revolutions either direction maneuver takes approxi mately five seconds Downgrades 1 Changes heading during rolls 2 Changes altitude during rolls 3 Roll rate constant 4 Model does exactly three rolls 5 Maneuver takes less 4 6 seconds Reverse Double Immelmann Model pushes over executes outside loop followed immediately roll pauses approxi mately second does /2 loop immed iately rolls level flight Downgrades 1 Changes heading during /2 loops rolls 2 A rolls immediately after loops 3 Model pauses second fore inside loop 4 A loops same altitude Cuban Eight Model pulls up executes inside loop 45 degrees inverted mod el does half roll followed another inside loop again 45 degrees inverted model does another half roll recovers level flight Downgrades 1 Loops round same size 2 Model 45 degrees before commence ment rolls 3 Changes heading loops rolls 4 Rolls cross over same point Three Inside Loops Model pulls up exe cutes three consecutive loops loops should round superimposed Downgrades 1 Loopsnotround 2 Loops superimposed 3 Wings level during ioops 4 Changes heading during loops Straight Inverted Flight Model half rolls inverted flies straight level inverted minimum four seconds half rolls back level flight half rolls may either direction Downgrades 1 A rolls level 2 Inverted flight straight level 3 Changes heading during rolls verted flight 4 Inverted flight less three five seconds Vertical Eight Model pulls up executes complete inside loop bottom pushes over completes outside loop directly under inside loop Downgrades 1 Loops round same diameter 2 Changes heading during loops 3 Wings level during loops 4 Outside loop directly under inside loop Four-Point Roll Model rolls through 360 de grees hesitating 90 degree point hesitation wings parallel vertical horizon maneuver takes approximately five seconds Downgrades 1 4 rolls less 90 degress 2 Model does hesitate after roll 3 Roll rate constant 4 Roll takes less 4 6 se conds 5 Changes altitude Three Reverse Outside Loops Model half rolls inverted pauses approximately se 76 Model Aviation cond pushes up execute three consecu tive outside loops pauses approximately second half rolls level flight loops round superimposed Down grades 1 Loops round 2 Loops superimposed 3 Changes heading during loops rolls 4 Wings level during loops 5 Model pauses second fore after loops Two Rolls Opposite Directions Model rolls 360 degrees either direction immedi ately after rolls 360 degrees opposite direction rolls take approximately five se conds Downgrades 1 Changes heading 2 Changes altitude 3 Roll rate constant 4 Rolls exactly 360 degrees 5 Second roll does start immediately after first roll 6 Rolls take less 4 6 se conds Figure M V2 Rolls Model pulls up vertical attitude performs roll stall turn through 180 degrees another roll exe cutes half inverted loop followed third /2 roll second stall turn fourth roll recovering level flight rolls may direction stall turns must opposite directions Viewed side model executes figure M Downgrades 1 Model vertical start finish rolls stall turns 2 Stall turns exactly 180 degrees 3 / rolls exactly 180 degrees 4 Bottom outside loop level entry 5 Changes heading during outside loop rolls Cobra Roll Model pulls up 45 degree angle half rolls inverted attitude executes loop half rolls upright attitude re covers level flight Downgrades 1 Initial climb 45 degrees 2 Rolls 180 degrees 3 A loop 90 degrees 4 Descent 45 degrees 5 Changes heading during rolls loop Landing model flares smoothly touch ground within landing circle no bouncing changes heading rolls stop Landing maneuver will start two meters 6A feet ground Downgrades 1 Model impacts ground due lack flare 2 Model bounces after touchdown 3 Wings level 4 Changes heading 5 If model ends its back zero points 6 Model lands outside 30 meter circle 7 If undercarriage leg retracts land ing zero points Avalanche Model pulls up completes half loop top executes complete snap roll~ recovers does another half loop finish level flight Downgrades 1 Loopnotround 2 Changes heading during loop 3 Wings level during loop 4 Snap roll 360 degrees 5 Roll snap roll Inverted Spin Model establishes heading half rolls inverted power reduced model held nose high attitude until stalls commences spin model will autorotate through three complete turns recover same heading different al titude half rolls upright position Downgrades 1 A rolls level 2 A rolls 180 degrees 3 Wings level during entry exit 4 Spiral dive scores zero 5 Does finish same heading 6 Does make three turns less two four score zero Square Horizontal Eight Model pulls up executes square loop bottom third leg does complete square out side loop behind inside loop model should rotate sharply corner straight paths should least 20 meters 65A feet long Downgrades 1 Loops square 2 Vertical downward paths coincide 3 Loops same size 4 Changes heading 5 Wings level 6 Loops same altitude 7 Sides squares same size Eight-Point Roll Model rolls through 360 de grees hesitating 45-degree point wings should parallel vertical 45 de grees horizon maneuvers take ap proximately 5 seconds Downgrades 1 1/8 rolls less 45 degrees 2 Model does hesitate after 45 de grees 3 Roll rate constant 4 Roll takes less 4 6 se conds Vertical Roll Model pulls up executes 360 degree roll vertically upward pushes over finish level flight Downgrades 1 Model vertical start finish roll 2 Roll exactly 360 degrees 3 Roll vertical 4 RoIl rate constant Aileron Turn Model pushes over executes 360-degree roll vertically downward re covers finish level flight Downgrades 1 Model vertical start finish roll 2 Roll exactly 360 degrees 3 Roll vertical 4 Roll rate constant Figure M Model pulls up vertical atti tude executes 180-degree stall turn either direction does outside loop again executes stall turn opposite direction recovers level flight Downgrades 1 Model vertical before after stall turns 2 Stall turns 180 degrees 3 Climbing diving paths parallel 4 Bottom outside loop different alti tude entry 5 Altitude second stall turn different first Square Loop Rolls Model pulls up completes square loop side model executes roll Downgrades 1 Loop square 2 Rolls 180 degrees 3 Wings level during loops 4 Changes heading during rolls loops 5 Sides square equal length Two Snap Rolls Opposite Directions Model snap rolls through 360 degrees recovers immediately snap rolls opposite di rection recovers level flight Downgrades 1Rolls 360 degrees 2Rolls snap rolls 3Changes heading 4Changes altitude Reverse Cuban Eight Model pulls up 45 degree climb half rolls executes % loop half rolls inverted loops back level flight same point entry Downgrades 1 Loops round same size 2 Model 45 degrees commence ment rolls 3 Changes heading during loops rolls Reverse Top Hat Model pushes vertical downward attitude half rolls loops level inverted flight flies inverted same distance downward path loops upward vertical attitude half rolls pushes over level flight Downgrades 1 Model vertical start finish half rolls 2 Rolls exactly 180 degrees 3 Model does fly straight level verted 4 Vertical horizontal legs approxi mately same length 5 Rolls same length rate 6 Changes heading during maneuver Reverse Point Roll Model rolls through 270 degrees hesitating 90-degree point rolls 270 degrees opposite direction hesitating 90-degree point finish level flight Maneuver takes approximately 5 seconds Downgrades 1 A rolls less 90 degrees 2 Model does hesitate 90-degree point 3 Roll rate constant 4 Roll takes less 4 6 se conds Triangle Rolling Loop Model pulls up 45-degree climb holds attitude ap proximately second loops through 135 degrees does complete roll loops through 135 degrees holds attitude approxi mately second recovers level flight same point maneuver started climbing descending portions should same length Downgrades 1 Climbing descending paths 45 degrees 2 Climbing descending paths same length 3 Roll 360 degrees 4 Model changes heading during loops roll 5 Model does start finish maneu ver same point * If initial entry spin smooth spin itself jerky uncertain reason downgrading indication spin true spin spiral dive dicated its smoothness increasing air speed during spin airspeed does crease appreciably ** A snap roll auto rotation horizon tal axis plane rails very rapidly nose-high attitude plane rolls along its axis snap roll SAFE FLYING IS NO ACCIDENT March 1978 77 FAI Rules Continued page 74 specifications racing procedures noted very unusual develop ment apparently necessary due widespread disagreement about rules among countries involved Pylon Racing reversion provisional status FAI World Championships Pylon Racing will possible until printing next Sporting Code after 1979 edition probably means 1984 earliest meantime interested return World Championships status RC Pylon rules will need help develop international agreement such rules over next four years including participation international contests using FAI provisional rules either rules presently exist may modified during next few years Provi sional status allows rules open change annual basis Adam Sattler chairman RC Pylon Racing Subcommittee coordinator APPROVED DECEMBER 1977 1 Premise utmost importance model fliers observe first safety rules Any accident caused careless ness hindrance progress model aviation safety rules obstacle enjoyment model flying guidelines established prove model fliers responsible people proclaim sign intelligence show ones own skill among spectators flier may know what doing has no way knowing what anyone else will So personal benefit make certain no action part will result accident therefore very important fly model aircraft competition pres ence spectators until has proven air worthy having previously flight tested 2 Competency Safety following ficials competent apply enforce safety rules Jury - the Contest Judges - the Contest Director - the Circle Marshalls - the Timekeepers - the Processing Officials - the Leaders Organization 3 Regulations Concerning Models Parts Prohibited a metal-bladed rotors b knife-edge leading edges main tail rotor blades c non-shock-mounted radio equip ment d ballast heavy part subject jettison ing Recommended a Blade attachment single through bolt self-locking nut allows blade lead lag hits something thus prolonging blade life b model should bear sticker listing modelers name address phone num ber c Radio antenna should restrained such manner eliminate chance its entanglement moving rotating part helicopter effort revive FAI activity cat egory Anyone interested should contact Adam Sattler 80 Rand Rd Apt A-2 Schenec tady NY 12309 RC Thermal Soaring General designation F3B now applies RC Thermal Soaring Gliders F3F has added RC Slope Soaring Gliders F3G has added RC Pow ered Gliders Both F3F F3G allow two models entered model specification certificate required entries international events must bear signed affidavit entrant has complied spirit rule 13 pertaining prefabrication Attempts Official Flight Section 16 completely replaced including title following 16 Attempts Official Flight 1 Attempts task during working time allocated him competitor entitled unlimited number attempts 4 Pre-flight Checks Before flight modeler should make following checks a Be certain frequency being em ployed clear properly authorized use modeler large groups modelers fly together system identifica tion frequencies should established b Test good functioning controls engine stopped c Test good functioning controls engine running strongly rec ommended model held hand tail boom checking blade tracking control functioning trim can done model sitting ground weights landing skids desired model held overhead both skids helper should done safe distance 110 ml other people helicopters pit area d Models should run-up free hov ered test flown pit area clear area least 30 meters square e Models should flown pres ence spectators until have prop erly tested proven airworthy 5 Flight Procedures Before during flight pilot should observe following a The helicopter should carried flown taxied ready box takeoff pad b Do fly toward over spectators pit parking area such manner malfunction could cause model crash spectators c Do fly solo presence spec tators until qualified flier judged experienced helper d At sign malfunction land quickly possible 6 Flying Sites flying site should large enough provide minimum about 200 meters 100 meters clear space containing no buildings people highways b At flying sites within 5 miles 8 Kml airports models shall flown higher 400 feet permission air port operator tasks B C after release towhook after model has crossed base repeat first time flying di rection base base B no further tempt permitted b competitor entitled new working time period end round model launching cable collides another model flight person being launched strikes another launching cable Should flight continue normal manner competitor may de mand flight accepted official demand made end flight flight has judged fault judges timekeepers case unexpected event duly witnessed official judges timekeep ers flight has hindered aborted 2 Official Flight official flight last flight performed during working time Cancellation Flight Disqualification Paragraph modified call annul ling flight competitor used model line launching device conforming FAI rules new paragraph e added case hand pulley towing launching device except launching cable must thrown competitor under penalty cancellation flight Distance Task new rules adopted December 1976 FAI applicability 1979 providing man-on-man concept distance task rescinded move re duce element luck rule 24b mod ified allow scoring up maximum 12 laps simplify course layout well scoring course rule 24e divided four fractions instead 10 previous Organization Starts Add 18 separate draw shall held round Organization Contests Add 19 No sighting apparatus should placed within minimum distance 3 meters limits thf course Alternating Tasks new rule increases importance duration task relative distance speed 21i amend combination read combina tion Task other task constitutes round minimum 2 rounds must flown tasks B C alternating round Any single round . Rule 27 modified accordingly round total score complied adding partial score either B C competitor Speed Task Change 25a 4 minutes 5 motorgllders completion task Under 22 Launching paragraph f added speed task flight annulled model crosses line during its timed flight Motorgliders Rule 21ii changed read organizer can establish whether radio controlled gliders Auxiliary Power RC Motorgilder enter same contest unpowered gliders have separate classifi cation system classification must announced propositions con test Classification Paragraphs b c 28 eliminatedreplaced results achieved competitor rounds will determine position final classifica tion order decide winner tie task C speed repeated 78 Model Aviation FAI SAFETY CODE FOR RC HELICOPTERS RC Helicopters current ruies CN section April 1977 issue remain provisional blended RC Helicopter Subcommittee rules changes proposed West Germany presented December 1978 ClAM meeting approval new combination meantime approved change current K-factors through di viding 5so 15 10 S become 3 2 1 Also new Safety Code RC Heli copters approved see elsewhere sue RC Electroflight new set provisional rules approved replace previously effect new rules have tested European competi tion 1977 considered prac tical improvement over previous provision al rules new provisional rules else issue Scale RC Maximum Weight Rule 31 changed 5 kg 11 lbs 6 kg 13 lbs 36 ozs fuel including dum pilot Definition Scale Models further de fine permissible models agreed change 11 such aircraft has air borne acceptable subject meaning designs built never flown acceptable RC Quality Landing landing circle used rule 3712 25 meters 49 diameter factor K9 landing within circle factor K4 land ing outside circle Judging Agreement judges Guide General following sentence de leted because impracticality applied maneuvers desirable principle judges conferring agree realism flight scoring applied flight maneuvers order avoid large dis crepancies between individual judges marks Future Rules changes FAI Scale Rules will frozen until end 1982 except ratio between subheadings sta tic scoring complexity headings may changed provided total K-factors section changed Static Judging Points Rule 15 previously said fractions tenths point could used tenths now has deleted Proof Scale Add 94b Color drawings authentic sources eg Pro file type publications including three views acceptable proof color mark ings Also proof tbe cruising speed must supplied Judging Fidelity Scale crafts manship Separate judging fidelity scale craftsmanship complexity have elim inated Instead approved modify 110 follows provide combined scoring fi delity scale craftsmanship com plexity bonus handled separately Fidelity Scale craftsmanship 1 Fuselage 2 Wing equivalent 3 Tail surface equivalent empennage 4 Landing gear 5 Propulsion units 6 Cockpit cabin detail 7 Finish color markings pecial ingenuity complexity Bonus new section has added heading following rules order compensate models com plex prototypes inherent disadvan tages flight following bonuses shall awarded form percentage total flight score Wings Monoplane Biplane single bay Biplane double bay lane Quadruplane Engines Single Twin Engines Three Engines Four Engines Above four Undercarriage Fixed tricycle0 Fixed conventional bicycle monowheel5 Retractable tricycle Retractable conventional General Pre-1914 design10 Notes order qualify multiple engine bonus power ratio engines must per prototype engines must operate Judges shall decide upon appropriate percent bonuses applied flight score model during static scoring procedure Other paragraphs rules necessary revised accommodate combined scoring fidelity scale workmanship judging separate application complexity bonus Realism Flight CL RC 272 3710 following footnote has added scale model cruis ing speed prototype must stated flight scoring form Discrepancies Documentation Add judges Guide discrepancy measurements due scaling up drawing stated basic dimensions should prevail discrepancy between drawings stated basic dimen sions latter should prevail Measurement Tolerances Judges Guide tolerances 03% measurement fuselage wing have eliminated RC Taxi Present 371a has elimi nated replaced three sub-paragraphs according landing gear type follows aa Models aircraft using two-wheel landing gear tail skid two-wheel gear non-steerable tail wheel other gear config urations allowing steering will taxi ward wind distance up 15m slow down near stop stop come airborne realistic manner ab Models aircraft using two-wheel landing gear steerable tail wheel will taxi forward wind downwind contestant prefers distance up 1 Sm K1 0 using 5 turn visibility taxiing procedure slow down near stop stop depending K9on whether prototype equipped K9with brakes become airborne - K8realistic manner odels aircraft equipped K1 1steerable tricycle landing gear will taxi down- -K4wind least 1 Sm stop turn least 120 de grees wind become airborne realistic manner Errors Model does stand still unassist ed before commencirg taxi Model does follow prescribed course Model does halt before taking off prototype brakes Model taxies too fast Model does taxi manner prototype % Bonus Downgrading Ready-Made compo 0 nents Craftsmanship Judging last sen tence changed read marks 10 other commercial items should graded least 50% unless has 20been considerable degree reworking FF Scale rules provi sional since 1971without evidence in0 ternational use have dropped New rules 10 may proposed time future 15 RC Scale Gliders As per F F Scale 20 provisional rules have used 25 internationally since adopted 1972 have dropped World Records RC Glider Speed Straight-Line course 10 Special conditions RC Gliders have 10 eliminated future RC Gliders must use same base altitude require ments RC Power models primary pur pose lengthen RC Glider base has become especially important due high speeds being attained Automatic Timing speed records straight line following new rule has added speeds above 300 km/hr 1864 mph manual actuation timing devices permitted Only automatic means tim ing eliminate human error factor permitted must certified accurate within 1/100 second c closed course Speed Records Ap proved new record categories Power models Gliders separately per fol lowing rules Base course consists square de fined four prominently colored pylons poles set 200m 6562 apart 90-degree angle other situated flat land land minimum fall exceed 1 meter 200m within 1 km course An upright pole 20 meters 657 cor ner square extension line drawn between two pylons side square will establish Starting/Finish Line Four judges will situated immediately under pylon will raise red flag signal lights model infringes side space bounded poles Note essential accurate speed measurement poles absolutely ver tical order prevent course length differ ence altitude RC Gliders must free launching cable specified 725 prior crossing Start/Finish Line Models land prior completion four legs course intrude forbidden airspace except after timing completed disqualified flight void no altitude restric tion prohibition against circling thermals outside course Timing begins model crosses Start/Finish Line ends model completes course again crosses Start/Finish Line still airborne intermediate landing within 30 minutes launch Availability Record Data ClAM voted unanimously recommendation CASI March 1978 79 FAI Rules Cont appropriate high FAI authority photocopies record dossiers available upon request national aero club fee cost plus 10% World Championships 1978 Control Line Speed Team Race Aeroba tics Combat plus Control Line Radio Control Scale approved August 4-10 Woodvale England near Liverpool Indoor bid Romania ac cepted because required guarantee FM South Africa allowed participate condition allowed However ClAM president empowered see condition would removedon assurance South African delegate no team country would partici pate matter left hanging ClAM president advise countries end January whether Romanla some other country would host event Note press time both England US considering possibility offering host neither good position Spacemodels model rockets Bulgaria approved host early Septem ber probable date 1979 RC Aerobatics Approved South Africa probably September Note An expected offer Mexico did materialize dele gate Mexico present no information regarding offer host RC Soaring Offers US Bel gium noted Both countries sub mit firm details offers ClAM Bureau officers meeting Paris March 31 Bureau will decide offer will prevail AMA currently working National Soaring Society SOAR group Chicago view toward holding event city Free Flight firm offer Yugoslavia approved site European Championships held end May early June Note site said five kilometers square 1980 Control Line Speed Team Race Aeroba tics Combat firm offer Belgium approved Radio Control Control Line Scale firm offer Canada approved held Ottawa RC ELECTRO-POWERED MODELS F3E PROVISIONALAS ADOPTED DECEMBER 1977 Definition RC Electro-Powered Models Model aircraft lift generated aerodynamic forces acting surfaces remain ing fixed during flight except control sur faces performs maneuvers con trolled pilot ground using radio control connection propulsion model effected fixed foldable propel lers driven electric motor can regulated during flight power-pack electric motor must have fixed connection ground another model air Recharging power-pack solarcells permitted during flight Prefabrication Model Permitted plane assembled builder prefabricated parts builder installs equipment Permitted Models com pletely prefabricated require few minutes unskilled efforts completion complete ready-to-fly models have built person other pilot General Characteristics RC Electro-Powered Models Maximum surface area 150 sq dm 2325 sq Maximum total weight 5 kg 11 lbs Maximum loading 75 gr/sq dm 2457 oz/sq ft Minimum loading 12 gr/sq dm 395 oz/sq ft Number Helpers pilot permitted helper Number Flights competitor class has right three official flights two best flights shall counted Take-Off Take-off must executed either two manners described hereafter change type take-off during contest may allowed contest director whole round Take-off ground hand-launchingWhen hand-launching competitor helper have ground hand-launch model use starting devices Definition Attempt attempt a the pilot announces take-off b model taxies case take-off ground c pilot releases model case hand-launching dl model fails start within five minutes allowed Number Attempts competitor al lowed attempt official flight Exceptions An attempt may re peated organizers judges discretion reason outside control competitor organizer model unable take-off Definition Official Flight official flight attempt made what ever result repetition official flight permitted take-off possible possible due time safety reasons b competitorit has proved cannot perform flight due outside inter ference no scoring made reasons outside control competitor such cases take-off may repeated im mediately after fruitless attempt take off after personal report contest manager during same round out round Marking maneuver round will awarded points Scoring flights starts model released case hand-launch ing b model starts taxi ground Scoring flights ends a model fails start within allowed time b model touches ground ob struction connected ground c lettisoning occurs dl official flight completed No scoring will made following rea sons a when model used already anoth er competitor same contest model accordance general rules characteristics class b model started permission wrong starting sequence c competitor fails return transmit ter flight completed case un authorized use transmitter during flights dl pilot fails release model starting point employs two helpers e pick up transmitter before second call made commencing take-off before called fI entering starting area before second call made switching transmitter before nouncement gI pilot fails take-off within allowed time three minutes officially called hI repetition start permission I starting manner allowed particular category ii hand-launching effected ground using take-off devices k pilot moves away take-off area does operate transmitter himself I model leaves flying space maneuvers cannotbe seen judges Classification final classification will determined aggregate sum two best flights case tie first place final result will established fly-off Any fly-off must take place within hour normal finishing time contest No attempts permitted results fly-off shall count establishment title such World Champion prizes awarded Judging a The organizer must appoint panel least three judges official flight judges shall preferably different na tionalities elected list per sons approved National Aero Clubs ClAM rotation system equivalent system may used provided judge will score contestant equal number times specific system employed World Championship must stated ad vance organizers must have prior approval ClAM ClAM Bureau b There shall training flights judges briefing before after held immediately before World Cham pionship Organization RC Electro-Flight Contests transmitters used contest must checked placed compound kept under observation During con test steward must control trans mitter compound will issue transmit ter competitor name called standby flight As soon attempt has ended competitor must im mediately return transmitter steward transmitter compound unauthor ized transmissions during contest will re sult automatic disqualification offen der entire contest render him li able further penalties order starting 80 Model Aviation no scoring 2 various countries competitors will established means draw before start contest Competitors must called least five minutes before required occupy starting area organizer must provide radio-monitor purpose detecting possible interferences Suggested Schedule Maneuvers F3E Spe cial Out 14 maneuvers listed below six must chosen flown competitor sequence maneuvers has laid down writing valid rounds Take-off ground permitted scoring provided another maneuver replacing schedule has completed within time max 5 minutes counting se cond official call Maneuvers 0Hand-launching 1Take-off ground 2Two inside loops 3Two outside loops3 4Double lmmelmann2 5Turn1 6Spinthree turns2 7Cuban Eight3 8Running Eight starting down ight starting middle2 10Three horizontal rolls2 11 Four-point roll3 12SIQw roll mm 4 sec3 13 Approach rectangular four legs aLanding 30 m circle1 14bLanding 15 m circle2 Suggested Schedule Maneuvers F3E Junior Models two axes radio control steering Engine running radio-controlled Landing aids schedule has completed within time 5 minutes counting second official call After launching hand following ma neuvers have flown given order Coefficient Maneuvers 1Two outside loops3 2Turn2 3Inverted flight starting ending Ia loop2 4Spintwo turns2 5Approach2 6a Landing 3Gm circle1 6b Landing 15 m circle2 Schedule Maneuvers Electro-Motorgliders two turnlines distance 150 meters middle distance shall gate Gate two poles 3 m high dis tance 20 m turnline shall timekeeper flagman model running engine handlaunched Time release taken timekeeper first task pilot has total flight-time 200 sec has decide much will use climb much gliding competitor has shut tle between two turnlines often pos sible gliding turnilnes have over flown time full leg com petitor given 10 points Restarting en gine before expiration 200 sec termi nates scoring does expiration 200 sec After task competitor has fly again through gate soon possible passing gate timekeeper No 2 takes time flying through gate proper altitude means between two poles lower top 10 points grant ed After passage through gate climb starts delay Now total time climb gliding will 300 sec Again up competitor decide much time will use climb much gliding second gliding time competi tor given point second over 300 sec total flight time point shall deducted important gliding time taken motor cut gliding time ends motor restarted Lee Hines Costa Mesa CA holds own design Ulti max A-2 Towline Glider set Open age class national record December 18 1976 rec ord still stands 53 Coefficient minutes 46 seconds comprised 12 maxes last five progressively aeasing times increments minute 13th flight 148 seconds record set Elsinore CA Record Trials organ ized Sky Hoppers Orange County very super special dayforfly ing Free Flight Hines said Ultimax features wing 15181 aspect-ratio CH-407 airfoil modified per Crowley/Klintworth undercambered stab airfoil 7% thickness Covered Japanese tissue model also Seelig de thermalizer timer Czech cir cle tow hook NFFS fiber glass tail boom CONTEST COORDINATORS I Pad L Penney S Chalorta AndOne, MA 01810 II R SobrinO 87-26 88th St. Woodlsanen Oseens NY 11421 Bc Bryan Sattlar 29 Waldorf P1. Schesecnfdy NY 12307 5c Frei Rlackborn6 Bloe8psoce Ln Cotsnack LINY 1172S III Ken Raber Rd 1 Naaareth PA 18064 lEash M Wesanbach 4585 W 148s1s St. cleneland OH 44135 West Rc J Slaver 809 Forest Rose Ave. Lonter OH 43130 West V Warren sanders Jr 9735 52nd Ave College Pk MO 20741 Sc J Lawrence 12538 Ffoodstock Dr. upees Marlboro MD 20870 V Sen Cleveland 708 Coontry dab Tollatonsa TN 37388 RC J Oasis Jr18135 Lakeshore eirsnngnaatAL35216 RC Ctsarlene Fields 818 Main St Ness Ellisoton sc 29809 FREE FLIGHT CONTEST BOARD I Henry Strock RFD No2 Hat4ssg Old Lysno CT 06371 II Carrel Alvin 2Araona R Hontngson sta NY 11746 Ill Rody Klcibar 2021 Lakeland Are. Lakewood OH 44107 IV joe 8oy1e J. 218 Slsanedosh Rd. Hampton VA 22361 V Sooty Jonkios 3112 East Raises Rd. Marnpnis TN 38118 VI Chris Massono 10132 Oooglass Ct. 55 Ann MO 63074 VII Phil KIntwosth Jr. 715 Rosters Rd. Rocnestes Ml 48063 VIII Mark Valascs 23132 Poeseran Dr Honstot TX 77055 IX Edward ColIos 4318 6 Utah FV Denver CD 80222 X Joe Nontross 4836 Wee 123rd St. Hawthorne CA 90250 XI Ernie Linn 16858 121 Ate SE Rattan WA 88096 CONTROL LINE CONTEST BOARD George rlggrls P0 Boo 482 North Pembroke MA 02358 II 811 Sots 7706269th St Ness Hyde Park NY 110413 Ill Lairn Jackson 523 Meadtssbrook St Davids PA 19087 IV Rae McNIIy 6118 8da As. SisrngdiM VA 22152 V Date Hernstracght D 80 171 Motcha Corner SC 29461 VI Sob SoreS 132 Rocklord Apt 12 Porest Park IL 80130 VII Jantss Sinton 4941 Wisconsin Ave N Now Hope MN 55429 VIII Charles Atatton 3730 Kiesnorest Dallas Tx 78233 IX Michael Tallmen 3014 Sochenge Wichita KS 67217 X Pate Srandt 405 21st St. Manhattan Stack CA 90286 Xl Dan Ratherford 4706 227th P1 55. Bothall WA 98011 pull However motor may re versed after announcement Landing ap proach landing included glid ing time Having announced landing ap proach pilot may use landing aid Landing 30 m circle Coefficient m circle tal flight time ends model touches ground program aims development models good rate descent min imum speed relatively high rate climb power-flight VI Kit DeWant 3930W Jettersot Kokosno IN 46901 BC Ralph White R R 1 Boo 324 Neoga IL 62447 VII John Evert 421 Walnot Ln Apple Valley MN 55124 West Wesley Slave 1213 Wall St. Port Horon Ml 48060 East VIII John Deaton 5012 Royal Or. Ft Worth TX 76116 BC Larry Stanfitld 301 Wilson St Crossley TX 78036 IX JantesT Fitiey6540 6 Central Wioltita KS 87206 BC Robert Arnntt 2009 Keasas Great Bend KS 87530 X Myrtle Coad Rt Boo 19 Losses Lake CA 85457 Northl Lee POlotkh 258 nt Ave. Dolana CA 93017 Sooth XI Don Dodd 3409 Baltidere Ava. SW Seethe WA 98126 Rc Donald Miller 3436 S 263rd St. Kent WA 58031 RC Pylon & Soaring Rd Pattern sod tnher RC RC Soaring attern Pylon & other RC RADIO CONTROL CONTEST BOARD I Does AIlsed 38 Sosnsst Rd LeninStan MA 02173 I Joe Frend 62 Joysan Tens PraehOld NJ 07093 III Dave Bsossn 8534 Haddlestos Cincinnati OH 46236 IV Fred M Gregg 12709 RichssOfld St Osestas VA 23821 V Rhert Miller Sr 3035 Lakeshore Os. Tallahassee FL 22302 VI hoE Underwood 4109 Coescord Oaks Dr. S Lons MD 83128 VII Peter Waters 31219 Kendtll Unonia MI 48154 VIII Davd Hyde 2026 Snossssass Lt Garlatd TX 75042 IX Loren Tregellas 3002 S Everett Withta KS 67217 x Bill Neetheop Ie. 621W lkh St Cost Mm CA 80627 Xl Ralph Brooke 3431 5 194th Seartle WA 98188 SCALE CONTEST BOARD I Richard Sharesas 406 River Rd. Tessktbory MA 01876 II Robert Gossens 55 Snoressay Dr. Rochester NY 14012 III Edward Wissar 1521 Sosssst St MoKeasport PA 15130 IV Bob KarIsson 2643 Marsh Rd. Wilssiogton 05 19810 V Daoid PIart 6540 NW 15th Ft Laaclasdale PL 33313 VI Prank Seatty 2605 Pontoon Rd. Granite City IL 604O VII Ossad MeCalloagls Boa 40 Mentacees IA 80171 VIII Johnty Casborn Boc 8029 Ft Worth TX 76112 IX Dean Copaland 7817 Seward St. Osnana NE 68114 X Fraal Capan 251 Coatino de las Florne Encinitas CA 93024 XI Earle Moorhead 2750 View P1 5 Salem DR 87302 cONTEST BOARD COORDINATOR Don Lindley 420 Tapala FJpanill IL 60640 March 1978 81 DIRECTORY Bold Peos 610w IndIcate Otaictean Contat Board X SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX 0 Competition News will present time time constructive thought-provoking ideas further However feel being criticisms AMA rules policies affect competitors issue has two sides CNright just enough hobby where0 Owill endeavor print viewpoints have submittedwithin limits availableanyone times wrong read onX Co waco uniqueness constructiveness timeliness good taste Determination appropri- y railroad-highway intersections have Xateness publication of matters must necessity rest solely publisher O ght presented author should necessarily construed asflashing lights bells automatic gates yes-0 AMA HO AMA officers publisher should note publication terday stood sign read RAIL- -u 4rules-change policy-change idea does necessarily mean specific proposal has beenROAD CROSSINGSTOP LOOK LISTENCo O presented Contest Board Executive Council appropriate committee such action stop could see up down 0 Co responsibility author anyone else interested obtaining official action tracks could see up down X Xtracks would have Co 0 0tracks tracks wrong place Co 4THE BEST F F TEAMsupport manufacturers make en- Before get tracks LISTENIu Ogines timers towhooks etc make theInstead STOP-LOOK-LISTEN ouro CoBill BogartWorld Champs possible takes numbers flying lets use COOL agree onlyx X1975 FF Team Managerwell fanatics have entice new bloodtime can turn have Ointo program give us future teamscorrect clip Okay have proper clip 0 CoMike Kevilles letter August issue 4expressed opinion quality eve World Champs ulti-Turn immediately off say O1977 US FAI Free Flight Team Dave Lin-mate contest flyoffs should expected about one-second interval Now LISTEN Costrum commented Mikes letter De-and planned hundreds other nobody yells Im hit turn again0 off about three-second intervalX Xcomber issue calling philosophy atti-contests year featuring FAI classes andAgain LISTENI still nobody yells aCo Otude Mikes letter almost too absurd But0 rules should keep contests theirsafe bet will shoot anybody down Co a.Daves reasoning discussing mistakes ofentrants well mind Without therethe other guy uses on/off precaution0 4 te Ed Carroll Team Finalswould no World Champs requiredthen wont get shot down eitherCo oBob o slowly FAI rules changes ff technique does take much Cois strange logic flier makes rinted Bat Sheet newslettertime after several flying sessions will beCo xmistake Finals may well make theof Strat-O-Bats Club Seattle WAsecond nature clubs have added0 osame mistake World Championships CoIf logical opposite must bemethods safety rules avoid crashes 4true eg fliers timer doesnt malfunctionAdd list until get flashing w Oat Finals likely malfunction atlights ringing bells automatic some-0 Cothe WC Balderdash logic absurdthing other will stop crashesX XWhat Mike laments others think-PROPOSAL TOHave correct ClipCo Coing about system team selectionturn On0 ahasnt developing selecting fliersREORGANIZE THE AMAturn OffU 4whohagreatest propensity potentialDick Singerthen ListenCo ove theo Coto win eventX xTonight October 24 Los AngelesPhoenix AZDo again Cool man Helpful reminder Add sign fre-Co ORams wiped up Colosseum Mm- osal offered attempt givequency clipboard label COOL CLIPS0 Co Vikings playoff last fall Vik-modeling model flying back inted Prop Wash newsletter 4ings made Rams look silly point isYouth Americathe Mercer County RC Club Trenton NJCo Othat given outing whether day orMEMBERSHIP IN NEW AMA0 CoX three flier may well poorlyany flier 1 Remove members over 18 years old XOver number contests best fliers wind2 Regular members AMA 8 18Co O0 Coup top very way we3 Associate members over 18 must V adevelop opinions best fliers aresponsored regular member B 18STAR NOVICE RC PATTERNCo have viewed Semi-finals results4 Regular members B 18 may sponsor0 Cofrom past Labor Day weekend willonly two associate members eachM Buck Peck X xhave noticed large number excellent fliersNorfolk VA Co O will going Finals-the resultAMA SPONSORED CONTESTS0 One-clay contest1 shall events regular membersPattern simply gotten too complicated 4Is boils down enough flying inassociate members open eventsfor fun said old curmudgeons such Co 2 O the team selection still seem making associate event must Novice entry point populated o Co team selection simple economic Asthree regular member eventsopen gimbels white bucks retracts now X xeven tuned pipes years tried long aswe continue manner shall ASSOCIATE MEMBER OATH order brainstorm simplistic startin g point Co destined among also-rans WC associate member adult remain no avail Only start spend much time AMA member must stimulate Tidewater RC scheduled host Co O and money sport will develop fliers least two persons year become reg- 1977 Virginia State Championships 0 X Coof World Champion statusular members 8 18 associate mem- never sat down CD Jay Jennings Xber promises sasist help newinvented Star NoviceCo Omembers become happy competent mod-0 Co aelers model fliers1 Entrant must have previously placed-u 4in sanctioned Pattern contestCo O itted modelers concerned with2 Retracts installed may used0 Coour youth future ho bby x3 Before flight entrant will line out O FF FAI RULESGO SLOWany two maneuvers choice NoviceCo Coscore sheet will neither fly nor scored Steve 4 HelmickCo After World Champs up 40Easy run turned out successfully En- 0 X flyoff event atrants lumped regular Novice XCo oover limiting performance aRAI LROAD CROSSINGgroup identified small stars o Co no flyoff way see theSTOP LOOK LISTENThe judges scorers nothing different caliberto Extra trophies funded fliers WC level simplyDick Radcliffe ohas lousy conditions eliminate max-by entry fees 0 CooutsThere reasons crashThey loved Good club fliers several X x But wonder should modify rules Most now have heard years experience previously felt outCo O with World Champs mind should seen experienced yourself type classed equipment impression points 0 Co consider guys like myself seldom crash can add avoidance gave whirl Beginners year -g 4 max-out anyway like events other guy turns fre- experience werent stigmatized label Co 0 trying improve Limit performance quency did have proper fre Competent fliers won straightforward x through rules changes watch quency clip wrong four-channel Pattern craft fun Xaverage guy desert sinking shipwere guy proper clip youexperienced competitionCo 0 Remember takes large number ofwere right guy clip CDt licensed fee try -u aentries support team financially tofeels having clip enough read noour patented Star NoviceCo 0 SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX X 82 Model Aviation Nick Sher Langhorne PA made flight 12157 mph backed up another 12149 mph claim National AMA Record Control Line Speed Open age division record set October 91977 Dayton OH Cold Cash Speed Bash put Dayton Buz zin Buzzards Model Airplane Club previ ous record 12011 mph held Robert Bradshaw established 1974 model shown several photos page mostly constructed balsa basswood used strategically cov ered K&B fiberglass cloth finished clear K&B polyester resin Its wing has span 1 3% 1-5/8 center chordsym metrical airfoil model weighed 5 oz Power came Cox TD equipped GloBee plug tuned pipe supply ing information about record setter Sher said used Cox unported sleeve Schnuerle-cut tuned pipe Cox speed pan used prop re worked Cox gray 5 x 4 fuel tank homemade suction type Single line control used through B&S torque unit model Stanzel-type Monoline handle
Edition: Model Aviation - 1978/03
Page Numbers: 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83
NE WSLET ACADEMY OF MODEL AERONAUTICS 815 FIFTEENTH STREET NW WASHINGTON DC 20005 FAI RC SOARING TEAM SELECTION PROGRAM Ray Marvin Chairman FAI RC Soaring Team Selection Pro gram underway again select US team go World Championships 1979 Plans run program essenti ally same manner previous Jim Simpson ably conducted good program resulted team went take first place individual first place team honors World Championship South Africa coming program will seeking team can repeat performance program being administered National Soaring Society restricted NSS members open AMA members aware program works procedure follows first step enter quarter-finals con test cost will $25 plus cost FAI stamp will no additional charge advance semi-finals finals process setting up contest schedule now check area see quarter-finals contest sched uled get club sponsor get AMA Contest Director club ap ply sanction schedule meet dur ing month April May June CD quarter-finals contest will provided program registration forms will able collect FAI stamps AMA membership contestant reg isters CD must check valid current AMA license FAI stamp collect $25 program entry fee fill out registration form Following quarter-finals CD will complete contest report names scores entrants regardless standing report will forwarded entry fees collect AMA Headquarters immediate ly upon completion contest Entry fees will used primarily team travel within US country World Championships apportionment AMA dues covers over-ocean travel contests will run strict accor dance FAI rules exception motorgliders excluded order ad vance semi-finals contestant must tain least 80% winning score after least three complete rounds fail first attempt may enter other quarter-finals contest try again qualify fly semi-finals may attend choose will six 10 scheduled various parts country will flown over first weekend July 1-3 follow ing weekend 8-9 contest given area may scheduled first week end second may scheduled second weekend Results semi-final contests will forwarded program chairman number contestants semi-finals contest eligible ad vance finals will determined accord ing following formula Number contests semi-finals x 36 Total number contestants semi-finals will notified eligible attend must notify finals CD plan attend Alternates will invited attend have qualified un able Finals competition will over Labor Day weekend least six rounds will flown top three fliers will com prise US team should unable attend first alternates finals will invited convention three members preceding team automatically quali fied enter finals Skip Miller Dale Nutter LeMon Payne may en ter no two quarter-finals semi-final payment entry fee However scores will used calculate else eligible advance competition site finals contest has yet de term ed will known until March 1978 World Championships will held AMA has made bid have US important thing now get team selection program squared away So want participate just follow pro cedure outlined above sure let know have scheduled quarter-finals contest have questions about program please feel free write ad dress Ray Marvin 2781 5 Garfield Denver CO 80210 names addresses Team Se lection Committee members follows may contacted information con cerning program District Dwight Holley 151 Chestnut Ridge Bethel CT 06801 District II Leon Pike RD 1 Lowman NY 14861 District Ill Dave Burt 180 5 8th St Apt 4 Indiana PA 15701 District IV Brian Foster 1757 Latonia Rd Winston Salem NC 271 07 District V Jim W Lenoir 6017 Ellington Rd NW Huntsville AL 35810 District VI John Nielsen 3744 Lake Wil mette IL 60091 District VII Warren Tiahrt 1086 Ashley Troy Ml 48098 District VIII Dale Nutter 7935 5 New Haven Tulsa OK 74136 District IX Skip Miller 655 Maxwell Ave Boulder CO 80302 District X Dave Thornburg 3635 Mt Vernon Rd Sebastopol CA 95472 District Xl Don Burt 4001 5 275th P1 Auburn WA 98002 FAI RULES CHANGES following new changed rules adopted FAI Committee Interna tional Aero Modeling ClAM its annual meeting December Paris AMA com petition purposes such new changed rules effective immediately January 11978 anticipated Control Line rules changes will applied 1978 CL World Championships Indoor Free Flight Collision Rule Reflights Add re commenced flight must flown before next official flight US proposal slightly modifiedbased principle reflights should made essentially same air conditions original flight Timing Add c time recorded mean two times registered timekeepers reduced nearest whole number seconds below resulting mean time New Beginners Class Provisional rules established based upon modified FF Subcommittee proposal class mon oplanes 460mm 1811 mum wing span 3 grams 1058 oz minimum model weight rubber motor 15 grams 0529 oz maximum rubber motor weight Microfilm covering excluded other covering material may used Only flights 60 seconds considered official steering prohibited otherwise rules same World Champion ships class Steering Authorized use 1978 Indoor World Championships new rules adopted 1975 have implementation delayed until 1979 rules shown 1976-77 AMA rule book Outdoor Free Flight Flight Procedure Starting positions line right angles prevalent wind indicated small poles respaced 7 10 meters 23-328 feet apart Fl A-2 Glider 4 5 meters 131-164 March1978 73 FAI Rules Cont feet Fl B Fl C Wakefield Rubber FAI Power A-i Towline Gliders New provisional rules approved providing maximum sur face area 18 sq din 279 sq mini mum weight 220 grams 776 oz maxi mum towline length 50 meters 164 feet five official flights having maximum flight time 120 seconds Other fact requirement timers use bi noculars World Championships appli cable A-i remaining A-2 rules also applicable A-i Note Due revi sions new National AMA Records start ed category January 1 1978 Control Line Speed Fuel Now requires 80% methanol 20% castor oil equivalent75/25 formula eliminated Diameter Control Lines clarification given minimum diameter 389mm anything over okay Line Spacing previous definition reworded expand restrictions against line linking No intentional twisting and/or linking two lines together shall per mitted point exit model control handle lines shall sep arated least 5mm 2 point exit model least 25mm 98 handle Timekeeping slight rewording ap proved provides competitor right repeat flight difference tween two times recorded greater 2/i 0th second CL Aerobatics Hand Signal Elimination US pro posal rejected 8 ii against Scoring US proposal accepted maneuver flown out sequence will scored Omitted maneuvers scored succeeding maneuvers considered sequence flown proper order relative remainder flight pat tern CL Team Racing Timekeepers Belgian proposal ac cepted replace previous paragraph 7a required two timekeepers two lap counters three timekeepers follows Three timekeepers assigned team stand outside flying circle near starting point model control charge timekeeping lap counting particular team Para graph 12b changed accordingly 1 2c referring lap counters deleted Duties Jury new paragraph has added section 13 c time penalty five seconds shall given team start ing engines before starting signal CL Combat Jury Guide Several US proposals clari fy description handle illus tration specify crepe paper streamer should have minimum weight 50 grams per sq meter referred CL Subcommittee further action Competitor following clarification added para 4 helpers maxi mum 6 other team members team manager must registered partici patingon no national team beginning competition through its close Method Scoring new item U.SSR added section 11 g whole second stay ground model shall penalized 1 point case model flyaway lines handle ground time shall com mence moment such flyaway Cancellation Flight new item sec tion 16 US Netherlands added releases controls model flight before has come complete stop landing Radio Control Aerobatics complete new set rules approved per text elsewhere issue some interesting special features Total weight now measured fuel no longer wing loading requirementonly maximum surface area Maneuvers now three groups pattern B pattern list extra maneuvers can used finals World Championships competi tion normally will two flights B patterns top 10% contestants top five whichever larger will choose 14 maneuvers among three groups fly two NEW NATIONAL RECORDS STARTED JANUARY 1 conclusion rules-change cy cle review made see what new categor ies have reached official status enabling flight performances considered National AMA Record purposes whether rules have changed other categories such flight performance potential consid ered reduced latter case also flights scored differently new rules fresh new records started effective date new rules New records thus started following flights made AMA sanctioned competition beginning January 11978 Indoor Ornithopter three age classes three ceiling heights Novice Pennyplane three age classes three ceiling heights Outdoor Free Flight Electric Power three age classes A-i Towline Glider three age classes Category Ill same events Cat II three age classes Class C FF Power three age classes Cate gories 111 Ill Class D FF Power three age classes Cate gories 111 Ill Ornithopter three age classes Categories land Ill Control Line Junior B Proto Speed Senior AA B C Speed Profile Proto B Proto Speed Open D Speed 1AA Profile Proto B Proto Speed Note 1AA Proto full fuselage event eliminated flights finals contests other World Championships fixed schedule using same maneuvers may provid ed idea simplifying Contest Direc tor judging problems eliminating pilots choice maneuvers Noise Measurement Based US ex perience 1977 World Championships Springfield OH Aerobatics Subcommit tee will restudy silencer requirements view toward simplifying improving requirements application 1979 World Championships RC Pylon Racing previous official rules changed provisional status could exper imented easilywith goal finding universally acceptable model Continued page 78 FAI ClAM TECHNICAL MEETINGS list took part 1977 annual ClAM meetings Paris reads like Whos International Model Aviation Because stature people strongly influence trends progress activity therefore im portant AMA well represented meetingsso among lead ers rather followers four basic aeromodeling tech nical meetings Parisgatherings techni cal experts countries meet ings produced recommendations 29 voting delegates per country final say FAI rules changes meet ings took part Control Line Laird Jackson USA E Rumpel W Germany M Souliac France Y Sirotkin USSR Aarts Netherlands J Magne France R Beck Hungary Free Flight P Allnutt Canada P Chausse bourg France George Xenakis USA E Krill AustriaA Oschatz E GermanyC Sundstedt Sweden Abaunza Mexico G Burford Australia Kaynes United Kingdom M Dilly New Zealand M EI-Azizi Egypt V Sreckovic Yugoslavia W Koelliker Switzer land Scale H K Ziegler Switzerland D E Thumpston United Kingdom E Sharp Can ada Y Sirotkin USSR JP Jensen Denmark Bob Wischer USA Aarts Netherlands C Sundstedt Sweden J Reggiori France Beaufils France Radio Control Chris Olsen United King dom Jean-Claude Rey France Andre Beaufils France Georghiou Charalambos Cyprus Luigi Bovo Italy Warren Hitchcox Canada Ted Sharp Canada John Clemens USA Don Lowe USA Don Mackenzie So Africa Joe Dible Ireland Jean Ganier France John Burkam USA Adam Sattler USA John Worth USA Peter Blommaart Belgium Narve Jensen Norway Ottar Stensbol Norway Jens Jensen Denmark Werner Groth W Ger Werner Koelliker Switzerland Camille Gerard Luxembourg Axel Tigerstedt Fin land Geoff Dallimar United Kingdom Note RC Committee uses separate subcommittees Aerobatics Pylon Racing Thermal Soaring Helicopters 1978 new RC subcommittee added ElectraFlight electric motor powered models 74 Model Aviation FAI RC AEROBATIC POWER MODELS F3A AS ADOPTED DECEMBER 1977 1 Definition Radio Controlled Power Model Model Aircraft aerodynamic ally maneuvered control surfaces atti tude direction altitude pilot ground using radio control 2 Prefabrication Model Permitted model aircraft assembled com petitor prefabricated parts competitor installs equipment permitted models completely pre fabricated require few minutes unskilled effort completion com plete ready-to-fly models have built person other pilot 3 General Characteristics Radio Con trolled Power Models Maximum surface area St 150 din2 2325 sq Maximum tal weight fuel 5 kg 11023 lbs Maximum swept volume motors 10 cm3 61 cu maximum noise level method measuring stated Annex 4 Number Helpers pilot allowed helper during flight Two helpers may present during starting motor 5 Number Flights competitor has right four official flights 6 Definition Attempt tempt a when pilot announces take-off maneuver b when model fails commence take-off maneuver within three minutes allowed competitor c if motor stops after pilot has nounced start take-off before model airborne may started within 3-minute period However no points will awarded subsequent take-off ma neu ver 7 Number Attempts competitor entitled attempt official flight NB An attempt can repeated discretion Jury un foreseen reason outside control competitor model fails make start ie radio interference 8 Definition Official Flight official flight attempt made what ever result 9 Marking maneuver may awarded marks between 0 10 judges during flight marks multiplied coefficient varies difficul ty maneuver Any maneuver com pleted should scored 0 maneuvers must performed plane height will allow seen clearly judges approximately 60 degrees vertical ly 90 degrees horizontally non-ob servance rule will heavily penalized loss points model opinion judges unsafe being flown unsafe manner may instruct pilot land 1OClassification See Annex 11Judging World Championships a the organizer must appoint panel least three judges flight judges shall preferably different nationalities elected list persons approved National Aero Clubs ClAM specific system employed World Championship must stated ad vance organizers must have ap proval ClAM ClAM Bureau b shall judges briefing training flights before WC 12Organization RC Aerobatic Contests transmitters contest site must checked placed compound kept under observation During contest Stewards must control transmit ter compounds will issue transmitter competitor name called make flight As soon competitor has made official flight competitor will immediately return transmitter Steward Any unauthorized transmissions during period contest will result auto matic exclusion offe,der en tire contest render him liable further penalties During flight competitor must stay proximity judges under supervision Course Steward order starting various coun tries will established means draw before start contest compatible transmitter frequencies Competitors must called least five minutes before required occupy starting area Once competitor has given per mission start may delay no longer minute before attempting start motor timer will notify competitor minute finished immediately start timing 3-minute starting time organizer must provide adequate radio monitor purpose detecting radio interference means communi cating information pilot NEW FM PA1TERN RULES AFFECT ON AMA EXPERT AND MASTER CLASSES Its too soon fully assess what effect new FAI RC Aerobatics rules will have AMA Expert Master classesbut some al ready have expressed opinion new FAI World Championships system two flights pattern two flights other pattern additional two flights top fliers third pattern will compatible typical US contests Fur thermore theres aspect RC Con test Board pre-existing FAI pattern mind voted Ex pert Class would fly FAI pattern just same Master Class fliers will go unclear written late December Among possibilities might considered ever return Expert pattern Expert Class fliers and/or creation single composite pattern both Expert Master fliers Any action RC Contest Board will reported earliest possible time 13Scliedule Maneuvers RC Aerobatic Power Models maneuvers must execu ted during uninterrupted flight order listed time model passes front judges maneuver must executed except after take-off before landing case pass may made maneuver being performed recommended pilot helper should vocally indicate judges pilot about execute maneuver competitor may make attempt maneuver during flight pilot has three minutes start motor 10 min utes complete flight 10 minutes start competitor attempts start motor NB pass made model flies over line perpendicular center judges schedule maneuvers given An nex B descriptions maneuvers Annex C ANNEX 3 Noise Measurement defined ClAM RC Subcommittee 1OClassification competitor will have four flights two Schedule two Schedule B best scores schedule will added together determine team placings top 10% first five competitors will compete fi nal determine individual winner final will consist two flights com petitor best will added previous score determine winner final schedule will chosen competi tor complete list maneuvers Only 14 different maneuvers may selected cluding take-off landing give maxi mum total score 450 points Only Figure M may included ANNEX B Schedule Ta ke-Off Double Immelmann Three Reverse Inside Loops Rolling Eight Slow Roll Top Hat Horizontal Eight Figure M /4 Rolls Three Outside Loops Three-Turn Spin Three Horizontal Rolls Landing Total x 10 ctor 2 3 2 3 3 2 5 2 2 3 290 K Factor 2 2 2 2 2 4 3 3 5 2 290 March 1978 75 Schedule B Take Off Reverse Double Immelmann Cuban Eight Three Inside Loops Straight Inverted Vertical Eight Four-Point Roll Three Reverse Outside Loops Two Rolls Opposite Directions Figure M /4 Rolls Cobra Roll Landing Total x 10 Pattern Rules Cont List Extra Maneuvers FinalsK Factor Avalanche3 Inverted Spin3 Square Horizontal Eight4 Eight-Point Roll4 Vertical Roll3 Aileron Turn3 Figure M3 Square Loop Four Rolls5 Two Snap Rolls Opposite Directions5 Reverse Knife Edge4 Inverted Top Hat4 Reverse Cuban Eight2 Reverse Point Roll4 Triangle Rolling Loop4 ANNEX C DESCRIPTIONS OF MANEUVERS maneuvers will start finish straight level flight have same altitude heading entry exit unless otherwise stated maneuvers will downgraded start finish straight level altitude heading same exit entry maneuvers have loop shall have loops same diameter similarly maneuvers have roll shall have rolls same roll rate consecutive rolls shall same alti tude Take-Off model must stand still ground motor running ing held must take off take-off run should straight model lift gently ground climb gradual angle take-off completed model approximately two meters 6% feet ground Downgrades 1 Model does stand still released 2 Changes heading during take-off climb 3 Model jumps ground 4 Retouches ground after becoming air borne 5 Too steep climb angle 6 Gallops elevation during climb 7 Wings level time Double lmmelmann Model pulls upintoa half inside loop half rolls upright flies straight level approximately second does half outside loop half rolls level flight Downgrades 1 Half loops deviate left right 2 Half rolls immediately after half loops 3 Half rolls deviate left right 4 Model pauses second fore half outside loop 5 Half loops same altitude Three Reverse Inside Loops Model half rolls level flight pauses approximately second does three consecutive side loops downward flies approximately second inverted half rolls upright loops should round superimposed Downgrades 1 Changes heading during half rolls 2 Loops round 3 Loops superimposed 4 Wings level during loops 5 Changes heading during loops Rolling Eight Model pulls upfrom level flight completes inside loop bottom exe cutes half roll makes second inside loop directly under first half rolls back level flight Downgrades 1 Loopsnotround 2 Second loop directly under first 3 Model level start finish half rolls 4 Changes heading during loops rolls 5 Wings level during loops Slow Roll Model rolls slowly through complete revolution either direction ma neuver takes approximately five seconds Downgrades 1 Changes heading 2 Changes altitude 3 Roll rate constant 4 Model does roll exactly 360 degrees 5 Roll takes less 4 6 se conds Top Hat Model pulls up vertical atti tude pauses makes half roll pauses pulls over inverted flight short period pulls down pauses makes half roll pauses re covers level flight Downgrades 1 Model vertical before starting fin ishing rolls 2 Rolls exactly 180 degrees 3 Model does fly straight level verted 4 Vertical horizontal legs same length 5 Rolls same length 6 Changes heading during maneuver Horizontal Eight Model pulls up com pletes % inside loop vertical posi tion does complete outside loop vertical position again recovers doing /4 inside loop Downgrades 1 Loops round 2 Model vertical crossover point 3 Changes heading during loops 4 Loops same diameter 5 Loops same altitude 6 Model does crossover same point Figure M Rolls Model pulls up vertical attitude executes /4 roll stall turns through 180 degrees turns again same direction first roll does out side loop vertical attitude again rolls same direction first two does verted stall turn through 180 degrees /4 rolls same direction other three recovers level flight Viewed side model executes figure M Downgrades 1 Model vertical start finish rolls stall turns 2 Stall turns 180 degrees 3 /4 rolls exactly 90 degrees 4 Bottom outside loop level en try 5 Changes heading during outside loop rolls 6 Stall turns same altitude Three Outside Loops Model pushes over executes three consecutive outside loops loops should round superimposed Downgrades 1 Loops round 2 Loops supsrimposed 3 Wings level during loops 4 Changes heading during loops Three-Turn Spin model establishes heading power reduced model held slightly nose high attitude until stalls commences spin model will autorate through three complete turns recover same heading different alti tude Downgrades 1 Entry level 2 Does make three turns less two four score zero 3 Does finish same heading 4 Wings level during recovery 5 Spiral dive scores zero Three Horizontal Rolls Model rolls uni form rate through three complete revolutions either direction maneuver takes approxi mately five seconds Downgrades 1 Changes heading during rolls 2 Changes altitude during rolls 3 Roll rate constant 4 Model does exactly three rolls 5 Maneuver takes less 4 6 seconds Reverse Double Immelmann Model pushes over executes outside loop followed immediately roll pauses approxi mately second does /2 loop immed iately rolls level flight Downgrades 1 Changes heading during /2 loops rolls 2 A rolls immediately after loops 3 Model pauses second fore inside loop 4 A loops same altitude Cuban Eight Model pulls up executes inside loop 45 degrees inverted mod el does half roll followed another inside loop again 45 degrees inverted model does another half roll recovers level flight Downgrades 1 Loops round same size 2 Model 45 degrees before commence ment rolls 3 Changes heading loops rolls 4 Rolls cross over same point Three Inside Loops Model pulls up exe cutes three consecutive loops loops should round superimposed Downgrades 1 Loopsnotround 2 Loops superimposed 3 Wings level during ioops 4 Changes heading during loops Straight Inverted Flight Model half rolls inverted flies straight level inverted minimum four seconds half rolls back level flight half rolls may either direction Downgrades 1 A rolls level 2 Inverted flight straight level 3 Changes heading during rolls verted flight 4 Inverted flight less three five seconds Vertical Eight Model pulls up executes complete inside loop bottom pushes over completes outside loop directly under inside loop Downgrades 1 Loops round same diameter 2 Changes heading during loops 3 Wings level during loops 4 Outside loop directly under inside loop Four-Point Roll Model rolls through 360 de grees hesitating 90 degree point hesitation wings parallel vertical horizon maneuver takes approximately five seconds Downgrades 1 4 rolls less 90 degress 2 Model does hesitate after roll 3 Roll rate constant 4 Roll takes less 4 6 se conds 5 Changes altitude Three Reverse Outside Loops Model half rolls inverted pauses approximately se 76 Model Aviation cond pushes up execute three consecu tive outside loops pauses approximately second half rolls level flight loops round superimposed Down grades 1 Loops round 2 Loops superimposed 3 Changes heading during loops rolls 4 Wings level during loops 5 Model pauses second fore after loops Two Rolls Opposite Directions Model rolls 360 degrees either direction immedi ately after rolls 360 degrees opposite direction rolls take approximately five se conds Downgrades 1 Changes heading 2 Changes altitude 3 Roll rate constant 4 Rolls exactly 360 degrees 5 Second roll does start immediately after first roll 6 Rolls take less 4 6 se conds Figure M V2 Rolls Model pulls up vertical attitude performs roll stall turn through 180 degrees another roll exe cutes half inverted loop followed third /2 roll second stall turn fourth roll recovering level flight rolls may direction stall turns must opposite directions Viewed side model executes figure M Downgrades 1 Model vertical start finish rolls stall turns 2 Stall turns exactly 180 degrees 3 / rolls exactly 180 degrees 4 Bottom outside loop level entry 5 Changes heading during outside loop rolls Cobra Roll Model pulls up 45 degree angle half rolls inverted attitude executes loop half rolls upright attitude re covers level flight Downgrades 1 Initial climb 45 degrees 2 Rolls 180 degrees 3 A loop 90 degrees 4 Descent 45 degrees 5 Changes heading during rolls loop Landing model flares smoothly touch ground within landing circle no bouncing changes heading rolls stop Landing maneuver will start two meters 6A feet ground Downgrades 1 Model impacts ground due lack flare 2 Model bounces after touchdown 3 Wings level 4 Changes heading 5 If model ends its back zero points 6 Model lands outside 30 meter circle 7 If undercarriage leg retracts land ing zero points Avalanche Model pulls up completes half loop top executes complete snap roll~ recovers does another half loop finish level flight Downgrades 1 Loopnotround 2 Changes heading during loop 3 Wings level during loop 4 Snap roll 360 degrees 5 Roll snap roll Inverted Spin Model establishes heading half rolls inverted power reduced model held nose high attitude until stalls commences spin model will autorotate through three complete turns recover same heading different al titude half rolls upright position Downgrades 1 A rolls level 2 A rolls 180 degrees 3 Wings level during entry exit 4 Spiral dive scores zero 5 Does finish same heading 6 Does make three turns less two four score zero Square Horizontal Eight Model pulls up executes square loop bottom third leg does complete square out side loop behind inside loop model should rotate sharply corner straight paths should least 20 meters 65A feet long Downgrades 1 Loops square 2 Vertical downward paths coincide 3 Loops same size 4 Changes heading 5 Wings level 6 Loops same altitude 7 Sides squares same size Eight-Point Roll Model rolls through 360 de grees hesitating 45-degree point wings should parallel vertical 45 de grees horizon maneuvers take ap proximately 5 seconds Downgrades 1 1/8 rolls less 45 degrees 2 Model does hesitate after 45 de grees 3 Roll rate constant 4 Roll takes less 4 6 se conds Vertical Roll Model pulls up executes 360 degree roll vertically upward pushes over finish level flight Downgrades 1 Model vertical start finish roll 2 Roll exactly 360 degrees 3 Roll vertical 4 RoIl rate constant Aileron Turn Model pushes over executes 360-degree roll vertically downward re covers finish level flight Downgrades 1 Model vertical start finish roll 2 Roll exactly 360 degrees 3 Roll vertical 4 Roll rate constant Figure M Model pulls up vertical atti tude executes 180-degree stall turn either direction does outside loop again executes stall turn opposite direction recovers level flight Downgrades 1 Model vertical before after stall turns 2 Stall turns 180 degrees 3 Climbing diving paths parallel 4 Bottom outside loop different alti tude entry 5 Altitude second stall turn different first Square Loop Rolls Model pulls up completes square loop side model executes roll Downgrades 1 Loop square 2 Rolls 180 degrees 3 Wings level during loops 4 Changes heading during rolls loops 5 Sides square equal length Two Snap Rolls Opposite Directions Model snap rolls through 360 degrees recovers immediately snap rolls opposite di rection recovers level flight Downgrades 1Rolls 360 degrees 2Rolls snap rolls 3Changes heading 4Changes altitude Reverse Cuban Eight Model pulls up 45 degree climb half rolls executes % loop half rolls inverted loops back level flight same point entry Downgrades 1 Loops round same size 2 Model 45 degrees commence ment rolls 3 Changes heading during loops rolls Reverse Top Hat Model pushes vertical downward attitude half rolls loops level inverted flight flies inverted same distance downward path loops upward vertical attitude half rolls pushes over level flight Downgrades 1 Model vertical start finish half rolls 2 Rolls exactly 180 degrees 3 Model does fly straight level verted 4 Vertical horizontal legs approxi mately same length 5 Rolls same length rate 6 Changes heading during maneuver Reverse Point Roll Model rolls through 270 degrees hesitating 90-degree point rolls 270 degrees opposite direction hesitating 90-degree point finish level flight Maneuver takes approximately 5 seconds Downgrades 1 A rolls less 90 degrees 2 Model does hesitate 90-degree point 3 Roll rate constant 4 Roll takes less 4 6 se conds Triangle Rolling Loop Model pulls up 45-degree climb holds attitude ap proximately second loops through 135 degrees does complete roll loops through 135 degrees holds attitude approxi mately second recovers level flight same point maneuver started climbing descending portions should same length Downgrades 1 Climbing descending paths 45 degrees 2 Climbing descending paths same length 3 Roll 360 degrees 4 Model changes heading during loops roll 5 Model does start finish maneu ver same point * If initial entry spin smooth spin itself jerky uncertain reason downgrading indication spin true spin spiral dive dicated its smoothness increasing air speed during spin airspeed does crease appreciably ** A snap roll auto rotation horizon tal axis plane rails very rapidly nose-high attitude plane rolls along its axis snap roll SAFE FLYING IS NO ACCIDENT March 1978 77 FAI Rules Continued page 74 specifications racing procedures noted very unusual develop ment apparently necessary due widespread disagreement about rules among countries involved Pylon Racing reversion provisional status FAI World Championships Pylon Racing will possible until printing next Sporting Code after 1979 edition probably means 1984 earliest meantime interested return World Championships status RC Pylon rules will need help develop international agreement such rules over next four years including participation international contests using FAI provisional rules either rules presently exist may modified during next few years Provi sional status allows rules open change annual basis Adam Sattler chairman RC Pylon Racing Subcommittee coordinator APPROVED DECEMBER 1977 1 Premise utmost importance model fliers observe first safety rules Any accident caused careless ness hindrance progress model aviation safety rules obstacle enjoyment model flying guidelines established prove model fliers responsible people proclaim sign intelligence show ones own skill among spectators flier may know what doing has no way knowing what anyone else will So personal benefit make certain no action part will result accident therefore very important fly model aircraft competition pres ence spectators until has proven air worthy having previously flight tested 2 Competency Safety following ficials competent apply enforce safety rules Jury - the Contest Judges - the Contest Director - the Circle Marshalls - the Timekeepers - the Processing Officials - the Leaders Organization 3 Regulations Concerning Models Parts Prohibited a metal-bladed rotors b knife-edge leading edges main tail rotor blades c non-shock-mounted radio equip ment d ballast heavy part subject jettison ing Recommended a Blade attachment single through bolt self-locking nut allows blade lead lag hits something thus prolonging blade life b model should bear sticker listing modelers name address phone num ber c Radio antenna should restrained such manner eliminate chance its entanglement moving rotating part helicopter effort revive FAI activity cat egory Anyone interested should contact Adam Sattler 80 Rand Rd Apt A-2 Schenec tady NY 12309 RC Thermal Soaring General designation F3B now applies RC Thermal Soaring Gliders F3F has added RC Slope Soaring Gliders F3G has added RC Pow ered Gliders Both F3F F3G allow two models entered model specification certificate required entries international events must bear signed affidavit entrant has complied spirit rule 13 pertaining prefabrication Attempts Official Flight Section 16 completely replaced including title following 16 Attempts Official Flight 1 Attempts task during working time allocated him competitor entitled unlimited number attempts 4 Pre-flight Checks Before flight modeler should make following checks a Be certain frequency being em ployed clear properly authorized use modeler large groups modelers fly together system identifica tion frequencies should established b Test good functioning controls engine stopped c Test good functioning controls engine running strongly rec ommended model held hand tail boom checking blade tracking control functioning trim can done model sitting ground weights landing skids desired model held overhead both skids helper should done safe distance 110 ml other people helicopters pit area d Models should run-up free hov ered test flown pit area clear area least 30 meters square e Models should flown pres ence spectators until have prop erly tested proven airworthy 5 Flight Procedures Before during flight pilot should observe following a The helicopter should carried flown taxied ready box takeoff pad b Do fly toward over spectators pit parking area such manner malfunction could cause model crash spectators c Do fly solo presence spec tators until qualified flier judged experienced helper d At sign malfunction land quickly possible 6 Flying Sites flying site should large enough provide minimum about 200 meters 100 meters clear space containing no buildings people highways b At flying sites within 5 miles 8 Kml airports models shall flown higher 400 feet permission air port operator tasks B C after release towhook after model has crossed base repeat first time flying di rection base base B no further tempt permitted b competitor entitled new working time period end round model launching cable collides another model flight person being launched strikes another launching cable Should flight continue normal manner competitor may de mand flight accepted official demand made end flight flight has judged fault judges timekeepers case unexpected event duly witnessed official judges timekeep ers flight has hindered aborted 2 Official Flight official flight last flight performed during working time Cancellation Flight Disqualification Paragraph modified call annul ling flight competitor used model line launching device conforming FAI rules new paragraph e added case hand pulley towing launching device except launching cable must thrown competitor under penalty cancellation flight Distance Task new rules adopted December 1976 FAI applicability 1979 providing man-on-man concept distance task rescinded move re duce element luck rule 24b mod ified allow scoring up maximum 12 laps simplify course layout well scoring course rule 24e divided four fractions instead 10 previous Organization Starts Add 18 separate draw shall held round Organization Contests Add 19 No sighting apparatus should placed within minimum distance 3 meters limits thf course Alternating Tasks new rule increases importance duration task relative distance speed 21i amend combination read combina tion Task other task constitutes round minimum 2 rounds must flown tasks B C alternating round Any single round . Rule 27 modified accordingly round total score complied adding partial score either B C competitor Speed Task Change 25a 4 minutes 5 motorgllders completion task Under 22 Launching paragraph f added speed task flight annulled model crosses line during its timed flight Motorgliders Rule 21ii changed read organizer can establish whether radio controlled gliders Auxiliary Power RC Motorgilder enter same contest unpowered gliders have separate classifi cation system classification must announced propositions con test Classification Paragraphs b c 28 eliminatedreplaced results achieved competitor rounds will determine position final classifica tion order decide winner tie task C speed repeated 78 Model Aviation FAI SAFETY CODE FOR RC HELICOPTERS RC Helicopters current ruies CN section April 1977 issue remain provisional blended RC Helicopter Subcommittee rules changes proposed West Germany presented December 1978 ClAM meeting approval new combination meantime approved change current K-factors through di viding 5so 15 10 S become 3 2 1 Also new Safety Code RC Heli copters approved see elsewhere sue RC Electroflight new set provisional rules approved replace previously effect new rules have tested European competi tion 1977 considered prac tical improvement over previous provision al rules new provisional rules else issue Scale RC Maximum Weight Rule 31 changed 5 kg 11 lbs 6 kg 13 lbs 36 ozs fuel including dum pilot Definition Scale Models further de fine permissible models agreed change 11 such aircraft has air borne acceptable subject meaning designs built never flown acceptable RC Quality Landing landing circle used rule 3712 25 meters 49 diameter factor K9 landing within circle factor K4 land ing outside circle Judging Agreement judges Guide General following sentence de leted because impracticality applied maneuvers desirable principle judges conferring agree realism flight scoring applied flight maneuvers order avoid large dis crepancies between individual judges marks Future Rules changes FAI Scale Rules will frozen until end 1982 except ratio between subheadings sta tic scoring complexity headings may changed provided total K-factors section changed Static Judging Points Rule 15 previously said fractions tenths point could used tenths now has deleted Proof Scale Add 94b Color drawings authentic sources eg Pro file type publications including three views acceptable proof color mark ings Also proof tbe cruising speed must supplied Judging Fidelity Scale crafts manship Separate judging fidelity scale craftsmanship complexity have elim inated Instead approved modify 110 follows provide combined scoring fi delity scale craftsmanship com plexity bonus handled separately Fidelity Scale craftsmanship 1 Fuselage 2 Wing equivalent 3 Tail surface equivalent empennage 4 Landing gear 5 Propulsion units 6 Cockpit cabin detail 7 Finish color markings pecial ingenuity complexity Bonus new section has added heading following rules order compensate models com plex prototypes inherent disadvan tages flight following bonuses shall awarded form percentage total flight score Wings Monoplane Biplane single bay Biplane double bay lane Quadruplane Engines Single Twin Engines Three Engines Four Engines Above four Undercarriage Fixed tricycle0 Fixed conventional bicycle monowheel5 Retractable tricycle Retractable conventional General Pre-1914 design10 Notes order qualify multiple engine bonus power ratio engines must per prototype engines must operate Judges shall decide upon appropriate percent bonuses applied flight score model during static scoring procedure Other paragraphs rules necessary revised accommodate combined scoring fidelity scale workmanship judging separate application complexity bonus Realism Flight CL RC 272 3710 following footnote has added scale model cruis ing speed prototype must stated flight scoring form Discrepancies Documentation Add judges Guide discrepancy measurements due scaling up drawing stated basic dimensions should prevail discrepancy between drawings stated basic dimen sions latter should prevail Measurement Tolerances Judges Guide tolerances 03% measurement fuselage wing have eliminated RC Taxi Present 371a has elimi nated replaced three sub-paragraphs according landing gear type follows aa Models aircraft using two-wheel landing gear tail skid two-wheel gear non-steerable tail wheel other gear config urations allowing steering will taxi ward wind distance up 15m slow down near stop stop come airborne realistic manner ab Models aircraft using two-wheel landing gear steerable tail wheel will taxi forward wind downwind contestant prefers distance up 1 Sm K1 0 using 5 turn visibility taxiing procedure slow down near stop stop depending K9on whether prototype equipped K9with brakes become airborne - K8realistic manner odels aircraft equipped K1 1steerable tricycle landing gear will taxi down- -K4wind least 1 Sm stop turn least 120 de grees wind become airborne realistic manner Errors Model does stand still unassist ed before commencirg taxi Model does follow prescribed course Model does halt before taking off prototype brakes Model taxies too fast Model does taxi manner prototype % Bonus Downgrading Ready-Made compo 0 nents Craftsmanship Judging last sen tence changed read marks 10 other commercial items should graded least 50% unless has 20been considerable degree reworking FF Scale rules provi sional since 1971without evidence in0 ternational use have dropped New rules 10 may proposed time future 15 RC Scale Gliders As per F F Scale 20 provisional rules have used 25 internationally since adopted 1972 have dropped World Records RC Glider Speed Straight-Line course 10 Special conditions RC Gliders have 10 eliminated future RC Gliders must use same base altitude require ments RC Power models primary pur pose lengthen RC Glider base has become especially important due high speeds being attained Automatic Timing speed records straight line following new rule has added speeds above 300 km/hr 1864 mph manual actuation timing devices permitted Only automatic means tim ing eliminate human error factor permitted must certified accurate within 1/100 second c closed course Speed Records Ap proved new record categories Power models Gliders separately per fol lowing rules Base course consists square de fined four prominently colored pylons poles set 200m 6562 apart 90-degree angle other situated flat land land minimum fall exceed 1 meter 200m within 1 km course An upright pole 20 meters 657 cor ner square extension line drawn between two pylons side square will establish Starting/Finish Line Four judges will situated immediately under pylon will raise red flag signal lights model infringes side space bounded poles Note essential accurate speed measurement poles absolutely ver tical order prevent course length differ ence altitude RC Gliders must free launching cable specified 725 prior crossing Start/Finish Line Models land prior completion four legs course intrude forbidden airspace except after timing completed disqualified flight void no altitude restric tion prohibition against circling thermals outside course Timing begins model crosses Start/Finish Line ends model completes course again crosses Start/Finish Line still airborne intermediate landing within 30 minutes launch Availability Record Data ClAM voted unanimously recommendation CASI March 1978 79 FAI Rules Cont appropriate high FAI authority photocopies record dossiers available upon request national aero club fee cost plus 10% World Championships 1978 Control Line Speed Team Race Aeroba tics Combat plus Control Line Radio Control Scale approved August 4-10 Woodvale England near Liverpool Indoor bid Romania ac cepted because required guarantee FM South Africa allowed participate condition allowed However ClAM president empowered see condition would removedon assurance South African delegate no team country would partici pate matter left hanging ClAM president advise countries end January whether Romanla some other country would host event Note press time both England US considering possibility offering host neither good position Spacemodels model rockets Bulgaria approved host early Septem ber probable date 1979 RC Aerobatics Approved South Africa probably September Note An expected offer Mexico did materialize dele gate Mexico present no information regarding offer host RC Soaring Offers US Bel gium noted Both countries sub mit firm details offers ClAM Bureau officers meeting Paris March 31 Bureau will decide offer will prevail AMA currently working National Soaring Society SOAR group Chicago view toward holding event city Free Flight firm offer Yugoslavia approved site European Championships held end May early June Note site said five kilometers square 1980 Control Line Speed Team Race Aeroba tics Combat firm offer Belgium approved Radio Control Control Line Scale firm offer Canada approved held Ottawa RC ELECTRO-POWERED MODELS F3E PROVISIONALAS ADOPTED DECEMBER 1977 Definition RC Electro-Powered Models Model aircraft lift generated aerodynamic forces acting surfaces remain ing fixed during flight except control sur faces performs maneuvers con trolled pilot ground using radio control connection propulsion model effected fixed foldable propel lers driven electric motor can regulated during flight power-pack electric motor must have fixed connection ground another model air Recharging power-pack solarcells permitted during flight Prefabrication Model Permitted plane assembled builder prefabricated parts builder installs equipment Permitted Models com pletely prefabricated require few minutes unskilled efforts completion complete ready-to-fly models have built person other pilot General Characteristics RC Electro-Powered Models Maximum surface area 150 sq dm 2325 sq Maximum total weight 5 kg 11 lbs Maximum loading 75 gr/sq dm 2457 oz/sq ft Minimum loading 12 gr/sq dm 395 oz/sq ft Number Helpers pilot permitted helper Number Flights competitor class has right three official flights two best flights shall counted Take-Off Take-off must executed either two manners described hereafter change type take-off during contest may allowed contest director whole round Take-off ground hand-launchingWhen hand-launching competitor helper have ground hand-launch model use starting devices Definition Attempt attempt a the pilot announces take-off b model taxies case take-off ground c pilot releases model case hand-launching dl model fails start within five minutes allowed Number Attempts competitor al lowed attempt official flight Exceptions An attempt may re peated organizers judges discretion reason outside control competitor organizer model unable take-off Definition Official Flight official flight attempt made what ever result repetition official flight permitted take-off possible possible due time safety reasons b competitorit has proved cannot perform flight due outside inter ference no scoring made reasons outside control competitor such cases take-off may repeated im mediately after fruitless attempt take off after personal report contest manager during same round out round Marking maneuver round will awarded points Scoring flights starts model released case hand-launch ing b model starts taxi ground Scoring flights ends a model fails start within allowed time b model touches ground ob struction connected ground c lettisoning occurs dl official flight completed No scoring will made following rea sons a when model used already anoth er competitor same contest model accordance general rules characteristics class b model started permission wrong starting sequence c competitor fails return transmit ter flight completed case un authorized use transmitter during flights dl pilot fails release model starting point employs two helpers e pick up transmitter before second call made commencing take-off before called fI entering starting area before second call made switching transmitter before nouncement gI pilot fails take-off within allowed time three minutes officially called hI repetition start permission I starting manner allowed particular category ii hand-launching effected ground using take-off devices k pilot moves away take-off area does operate transmitter himself I model leaves flying space maneuvers cannotbe seen judges Classification final classification will determined aggregate sum two best flights case tie first place final result will established fly-off Any fly-off must take place within hour normal finishing time contest No attempts permitted results fly-off shall count establishment title such World Champion prizes awarded Judging a The organizer must appoint panel least three judges official flight judges shall preferably different na tionalities elected list per sons approved National Aero Clubs ClAM rotation system equivalent system may used provided judge will score contestant equal number times specific system employed World Championship must stated ad vance organizers must have prior approval ClAM ClAM Bureau b There shall training flights judges briefing before after held immediately before World Cham pionship Organization RC Electro-Flight Contests transmitters used contest must checked placed compound kept under observation During con test steward must control trans mitter compound will issue transmit ter competitor name called standby flight As soon attempt has ended competitor must im mediately return transmitter steward transmitter compound unauthor ized transmissions during contest will re sult automatic disqualification offen der entire contest render him li able further penalties order starting 80 Model Aviation no scoring 2 various countries competitors will established means draw before start contest Competitors must called least five minutes before required occupy starting area organizer must provide radio-monitor purpose detecting possible interferences Suggested Schedule Maneuvers F3E Spe cial Out 14 maneuvers listed below six must chosen flown competitor sequence maneuvers has laid down writing valid rounds Take-off ground permitted scoring provided another maneuver replacing schedule has completed within time max 5 minutes counting se cond official call Maneuvers 0Hand-launching 1Take-off ground 2Two inside loops 3Two outside loops3 4Double lmmelmann2 5Turn1 6Spinthree turns2 7Cuban Eight3 8Running Eight starting down ight starting middle2 10Three horizontal rolls2 11 Four-point roll3 12SIQw roll mm 4 sec3 13 Approach rectangular four legs aLanding 30 m circle1 14bLanding 15 m circle2 Suggested Schedule Maneuvers F3E Junior Models two axes radio control steering Engine running radio-controlled Landing aids schedule has completed within time 5 minutes counting second official call After launching hand following ma neuvers have flown given order Coefficient Maneuvers 1Two outside loops3 2Turn2 3Inverted flight starting ending Ia loop2 4Spintwo turns2 5Approach2 6a Landing 3Gm circle1 6b Landing 15 m circle2 Schedule Maneuvers Electro-Motorgliders two turnlines distance 150 meters middle distance shall gate Gate two poles 3 m high dis tance 20 m turnline shall timekeeper flagman model running engine handlaunched Time release taken timekeeper first task pilot has total flight-time 200 sec has decide much will use climb much gliding competitor has shut tle between two turnlines often pos sible gliding turnilnes have over flown time full leg com petitor given 10 points Restarting en gine before expiration 200 sec termi nates scoring does expiration 200 sec After task competitor has fly again through gate soon possible passing gate timekeeper No 2 takes time flying through gate proper altitude means between two poles lower top 10 points grant ed After passage through gate climb starts delay Now total time climb gliding will 300 sec Again up competitor decide much time will use climb much gliding second gliding time competi tor given point second over 300 sec total flight time point shall deducted important gliding time taken motor cut gliding time ends motor restarted Lee Hines Costa Mesa CA holds own design Ulti max A-2 Towline Glider set Open age class national record December 18 1976 rec ord still stands 53 Coefficient minutes 46 seconds comprised 12 maxes last five progressively aeasing times increments minute 13th flight 148 seconds record set Elsinore CA Record Trials organ ized Sky Hoppers Orange County very super special dayforfly ing Free Flight Hines said Ultimax features wing 15181 aspect-ratio CH-407 airfoil modified per Crowley/Klintworth undercambered stab airfoil 7% thickness Covered Japanese tissue model also Seelig de thermalizer timer Czech cir cle tow hook NFFS fiber glass tail boom CONTEST COORDINATORS I Pad L Penney S Chalorta AndOne, MA 01810 II R SobrinO 87-26 88th St. Woodlsanen Oseens NY 11421 Bc Bryan Sattlar 29 Waldorf P1. Schesecnfdy NY 12307 5c Frei Rlackborn6 Bloe8psoce Ln Cotsnack LINY 1172S III Ken Raber Rd 1 Naaareth PA 18064 lEash M Wesanbach 4585 W 148s1s St. cleneland OH 44135 West Rc J Slaver 809 Forest Rose Ave. Lonter OH 43130 West V Warren sanders Jr 9735 52nd Ave College Pk MO 20741 Sc J Lawrence 12538 Ffoodstock Dr. upees Marlboro MD 20870 V Sen Cleveland 708 Coontry dab Tollatonsa TN 37388 RC J Oasis Jr18135 Lakeshore eirsnngnaatAL35216 RC Ctsarlene Fields 818 Main St Ness Ellisoton sc 29809 FREE FLIGHT CONTEST BOARD I Henry Strock RFD No2 Hat4ssg Old Lysno CT 06371 II Carrel Alvin 2Araona R Hontngson sta NY 11746 Ill Rody Klcibar 2021 Lakeland Are. Lakewood OH 44107 IV joe 8oy1e J. 218 Slsanedosh Rd. Hampton VA 22361 V Sooty Jonkios 3112 East Raises Rd. Marnpnis TN 38118 VI Chris Massono 10132 Oooglass Ct. 55 Ann MO 63074 VII Phil KIntwosth Jr. 715 Rosters Rd. Rocnestes Ml 48063 VIII Mark Valascs 23132 Poeseran Dr Honstot TX 77055 IX Edward ColIos 4318 6 Utah FV Denver CD 80222 X Joe Nontross 4836 Wee 123rd St. Hawthorne CA 90250 XI Ernie Linn 16858 121 Ate SE Rattan WA 88096 CONTROL LINE CONTEST BOARD George rlggrls P0 Boo 482 North Pembroke MA 02358 II 811 Sots 7706269th St Ness Hyde Park NY 110413 Ill Lairn Jackson 523 Meadtssbrook St Davids PA 19087 IV Rae McNIIy 6118 8da As. SisrngdiM VA 22152 V Date Hernstracght D 80 171 Motcha Corner SC 29461 VI Sob SoreS 132 Rocklord Apt 12 Porest Park IL 80130 VII Jantss Sinton 4941 Wisconsin Ave N Now Hope MN 55429 VIII Charles Atatton 3730 Kiesnorest Dallas Tx 78233 IX Michael Tallmen 3014 Sochenge Wichita KS 67217 X Pate Srandt 405 21st St. Manhattan Stack CA 90286 Xl Dan Ratherford 4706 227th P1 55. Bothall WA 98011 pull However motor may re versed after announcement Landing ap proach landing included glid ing time Having announced landing ap proach pilot may use landing aid Landing 30 m circle Coefficient m circle tal flight time ends model touches ground program aims development models good rate descent min imum speed relatively high rate climb power-flight VI Kit DeWant 3930W Jettersot Kokosno IN 46901 BC Ralph White R R 1 Boo 324 Neoga IL 62447 VII John Evert 421 Walnot Ln Apple Valley MN 55124 West Wesley Slave 1213 Wall St. Port Horon Ml 48060 East VIII John Deaton 5012 Royal Or. Ft Worth TX 76116 BC Larry Stanfitld 301 Wilson St Crossley TX 78036 IX JantesT Fitiey6540 6 Central Wioltita KS 87206 BC Robert Arnntt 2009 Keasas Great Bend KS 87530 X Myrtle Coad Rt Boo 19 Losses Lake CA 85457 Northl Lee POlotkh 258 nt Ave. Dolana CA 93017 Sooth XI Don Dodd 3409 Baltidere Ava. SW Seethe WA 98126 Rc Donald Miller 3436 S 263rd St. Kent WA 58031 RC Pylon & Soaring Rd Pattern sod tnher RC RC Soaring attern Pylon & other RC RADIO CONTROL CONTEST BOARD I Does AIlsed 38 Sosnsst Rd LeninStan MA 02173 I Joe Frend 62 Joysan Tens PraehOld NJ 07093 III Dave Bsossn 8534 Haddlestos Cincinnati OH 46236 IV Fred M Gregg 12709 RichssOfld St Osestas VA 23821 V Rhert Miller Sr 3035 Lakeshore Os. Tallahassee FL 22302 VI hoE Underwood 4109 Coescord Oaks Dr. S Lons MD 83128 VII Peter Waters 31219 Kendtll Unonia MI 48154 VIII Davd Hyde 2026 Snossssass Lt Garlatd TX 75042 IX Loren Tregellas 3002 S Everett Withta KS 67217 x Bill Neetheop Ie. 621W lkh St Cost Mm CA 80627 Xl Ralph Brooke 3431 5 194th Seartle WA 98188 SCALE CONTEST BOARD I Richard Sharesas 406 River Rd. Tessktbory MA 01876 II Robert Gossens 55 Snoressay Dr. Rochester NY 14012 III Edward Wissar 1521 Sosssst St MoKeasport PA 15130 IV Bob KarIsson 2643 Marsh Rd. Wilssiogton 05 19810 V Daoid PIart 6540 NW 15th Ft Laaclasdale PL 33313 VI Prank Seatty 2605 Pontoon Rd. Granite City IL 604O VII Ossad MeCalloagls Boa 40 Mentacees IA 80171 VIII Johnty Casborn Boc 8029 Ft Worth TX 76112 IX Dean Copaland 7817 Seward St. Osnana NE 68114 X Fraal Capan 251 Coatino de las Florne Encinitas CA 93024 XI Earle Moorhead 2750 View P1 5 Salem DR 87302 cONTEST BOARD COORDINATOR Don Lindley 420 Tapala FJpanill IL 60640 March 1978 81 DIRECTORY Bold Peos 610w IndIcate Otaictean Contat Board X SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX 0 Competition News will present time time constructive thought-provoking ideas further However feel being criticisms AMA rules policies affect competitors issue has two sides CNright just enough hobby where0 Owill endeavor print viewpoints have submittedwithin limits availableanyone times wrong read onX Co waco uniqueness constructiveness timeliness good taste Determination appropri- y railroad-highway intersections have Xateness publication of matters must necessity rest solely publisher O ght presented author should necessarily construed asflashing lights bells automatic gates yes-0 AMA HO AMA officers publisher should note publication terday stood sign read RAIL- -u 4rules-change policy-change idea does necessarily mean specific proposal has beenROAD CROSSINGSTOP LOOK LISTENCo O presented Contest Board Executive Council appropriate committee such action stop could see up down 0 Co responsibility author anyone else interested obtaining official action tracks could see up down X Xtracks would have Co 0 0tracks tracks wrong place Co 4THE BEST F F TEAMsupport manufacturers make en- Before get tracks LISTENIu Ogines timers towhooks etc make theInstead STOP-LOOK-LISTEN ouro CoBill BogartWorld Champs possible takes numbers flying lets use COOL agree onlyx X1975 FF Team Managerwell fanatics have entice new bloodtime can turn have Ointo program give us future teamscorrect clip Okay have proper clip 0 CoMike Kevilles letter August issue 4expressed opinion quality eve World Champs ulti-Turn immediately off say O1977 US FAI Free Flight Team Dave Lin-mate contest flyoffs should expected about one-second interval Now LISTEN Costrum commented Mikes letter De-and planned hundreds other nobody yells Im hit turn again0 off about three-second intervalX Xcomber issue calling philosophy atti-contests year featuring FAI classes andAgain LISTENI still nobody yells aCo Otude Mikes letter almost too absurd But0 rules should keep contests theirsafe bet will shoot anybody down Co a.Daves reasoning discussing mistakes ofentrants well mind Without therethe other guy uses on/off precaution0 4 te Ed Carroll Team Finalswould no World Champs requiredthen wont get shot down eitherCo oBob o slowly FAI rules changes ff technique does take much Cois strange logic flier makes rinted Bat Sheet newslettertime after several flying sessions will beCo xmistake Finals may well make theof Strat-O-Bats Club Seattle WAsecond nature clubs have added0 osame mistake World Championships CoIf logical opposite must bemethods safety rules avoid crashes 4true eg fliers timer doesnt malfunctionAdd list until get flashing w Oat Finals likely malfunction atlights ringing bells automatic some-0 Cothe WC Balderdash logic absurdthing other will stop crashesX XWhat Mike laments others think-PROPOSAL TOHave correct ClipCo Coing about system team selectionturn On0 ahasnt developing selecting fliersREORGANIZE THE AMAturn OffU 4whohagreatest propensity potentialDick Singerthen ListenCo ove theo Coto win eventX xTonight October 24 Los AngelesPhoenix AZDo again Cool man Helpful reminder Add sign fre-Co ORams wiped up Colosseum Mm- osal offered attempt givequency clipboard label COOL CLIPS0 Co Vikings playoff last fall Vik-modeling model flying back inted Prop Wash newsletter 4ings made Rams look silly point isYouth Americathe Mercer County RC Club Trenton NJCo Othat given outing whether day orMEMBERSHIP IN NEW AMA0 CoX three flier may well poorlyany flier 1 Remove members over 18 years old XOver number contests best fliers wind2 Regular members AMA 8 18Co O0 Coup top very way we3 Associate members over 18 must V adevelop opinions best fliers aresponsored regular member B 18STAR NOVICE RC PATTERNCo have viewed Semi-finals results4 Regular members B 18 may sponsor0 Cofrom past Labor Day weekend willonly two associate members eachM Buck Peck X xhave noticed large number excellent fliersNorfolk VA Co O will going Finals-the resultAMA SPONSORED CONTESTS0 One-clay contest1 shall events regular membersPattern simply gotten too complicated 4Is boils down enough flying inassociate members open eventsfor fun said old curmudgeons such Co 2 O the team selection still seem making associate event must Novice entry point populated o Co team selection simple economic Asthree regular member eventsopen gimbels white bucks retracts now X xeven tuned pipes years tried long aswe continue manner shall ASSOCIATE MEMBER OATH order brainstorm simplistic startin g point Co destined among also-rans WC associate member adult remain no avail Only start spend much time AMA member must stimulate Tidewater RC scheduled host Co O and money sport will develop fliers least two persons year become reg- 1977 Virginia State Championships 0 X Coof World Champion statusular members 8 18 associate mem- never sat down CD Jay Jennings Xber promises sasist help newinvented Star NoviceCo Omembers become happy competent mod-0 Co aelers model fliers1 Entrant must have previously placed-u 4in sanctioned Pattern contestCo O itted modelers concerned with2 Retracts installed may used0 Coour youth future ho bby x3 Before flight entrant will line out O FF FAI RULESGO SLOWany two maneuvers choice NoviceCo Coscore sheet will neither fly nor scored Steve 4 HelmickCo After World Champs up 40Easy run turned out successfully En- 0 X flyoff event atrants lumped regular Novice XCo oover limiting performance aRAI LROAD CROSSINGgroup identified small stars o Co no flyoff way see theSTOP LOOK LISTENThe judges scorers nothing different caliberto Extra trophies funded fliers WC level simplyDick Radcliffe ohas lousy conditions eliminate max-by entry fees 0 CooutsThere reasons crashThey loved Good club fliers several X x But wonder should modify rules Most now have heard years experience previously felt outCo O with World Champs mind should seen experienced yourself type classed equipment impression points 0 Co consider guys like myself seldom crash can add avoidance gave whirl Beginners year -g 4 max-out anyway like events other guy turns fre- experience werent stigmatized label Co 0 trying improve Limit performance quency did have proper fre Competent fliers won straightforward x through rules changes watch quency clip wrong four-channel Pattern craft fun Xaverage guy desert sinking shipwere guy proper clip youexperienced competitionCo 0 Remember takes large number ofwere right guy clip CDt licensed fee try -u aentries support team financially tofeels having clip enough read noour patented Star NoviceCo 0 SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX X 82 Model Aviation Nick Sher Langhorne PA made flight 12157 mph backed up another 12149 mph claim National AMA Record Control Line Speed Open age division record set October 91977 Dayton OH Cold Cash Speed Bash put Dayton Buz zin Buzzards Model Airplane Club previ ous record 12011 mph held Robert Bradshaw established 1974 model shown several photos page mostly constructed balsa basswood used strategically cov ered K&B fiberglass cloth finished clear K&B polyester resin Its wing has span 1 3% 1-5/8 center chordsym metrical airfoil model weighed 5 oz Power came Cox TD equipped GloBee plug tuned pipe supply ing information about record setter Sher said used Cox unported sleeve Schnuerle-cut tuned pipe Cox speed pan used prop re worked Cox gray 5 x 4 fuel tank homemade suction type Single line control used through B&S torque unit model Stanzel-type Monoline handle
Edition: Model Aviation - 1978/03
Page Numbers: 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83
NE WSLET ACADEMY OF MODEL AERONAUTICS 815 FIFTEENTH STREET NW WASHINGTON DC 20005 FAI RC SOARING TEAM SELECTION PROGRAM Ray Marvin Chairman FAI RC Soaring Team Selection Pro gram underway again select US team go World Championships 1979 Plans run program essenti ally same manner previous Jim Simpson ably conducted good program resulted team went take first place individual first place team honors World Championship South Africa coming program will seeking team can repeat performance program being administered National Soaring Society restricted NSS members open AMA members aware program works procedure follows first step enter quarter-finals con test cost will $25 plus cost FAI stamp will no additional charge advance semi-finals finals process setting up contest schedule now check area see quarter-finals contest sched uled get club sponsor get AMA Contest Director club ap ply sanction schedule meet dur ing month April May June CD quarter-finals contest will provided program registration forms will able collect FAI stamps AMA membership contestant reg isters CD must check valid current AMA license FAI stamp collect $25 program entry fee fill out registration form Following quarter-finals CD will complete contest report names scores entrants regardless standing report will forwarded entry fees collect AMA Headquarters immediate ly upon completion contest Entry fees will used primarily team travel within US country World Championships apportionment AMA dues covers over-ocean travel contests will run strict accor dance FAI rules exception motorgliders excluded order ad vance semi-finals contestant must tain least 80% winning score after least three complete rounds fail first attempt may enter other quarter-finals contest try again qualify fly semi-finals may attend choose will six 10 scheduled various parts country will flown over first weekend July 1-3 follow ing weekend 8-9 contest given area may scheduled first week end second may scheduled second weekend Results semi-final contests will forwarded program chairman number contestants semi-finals contest eligible ad vance finals will determined accord ing following formula Number contests semi-finals x 36 Total number contestants semi-finals will notified eligible attend must notify finals CD plan attend Alternates will invited attend have qualified un able Finals competition will over Labor Day weekend least six rounds will flown top three fliers will com prise US team should unable attend first alternates finals will invited convention three members preceding team automatically quali fied enter finals Skip Miller Dale Nutter LeMon Payne may en ter no two quarter-finals semi-final payment entry fee However scores will used calculate else eligible advance competition site finals contest has yet de term ed will known until March 1978 World Championships will held AMA has made bid have US important thing now get team selection program squared away So want participate just follow pro cedure outlined above sure let know have scheduled quarter-finals contest have questions about program please feel free write ad dress Ray Marvin 2781 5 Garfield Denver CO 80210 names addresses Team Se lection Committee members follows may contacted information con cerning program District Dwight Holley 151 Chestnut Ridge Bethel CT 06801 District II Leon Pike RD 1 Lowman NY 14861 District Ill Dave Burt 180 5 8th St Apt 4 Indiana PA 15701 District IV Brian Foster 1757 Latonia Rd Winston Salem NC 271 07 District V Jim W Lenoir 6017 Ellington Rd NW Huntsville AL 35810 District VI John Nielsen 3744 Lake Wil mette IL 60091 District VII Warren Tiahrt 1086 Ashley Troy Ml 48098 District VIII Dale Nutter 7935 5 New Haven Tulsa OK 74136 District IX Skip Miller 655 Maxwell Ave Boulder CO 80302 District X Dave Thornburg 3635 Mt Vernon Rd Sebastopol CA 95472 District Xl Don Burt 4001 5 275th P1 Auburn WA 98002 FAI RULES CHANGES following new changed rules adopted FAI Committee Interna tional Aero Modeling ClAM its annual meeting December Paris AMA com petition purposes such new changed rules effective immediately January 11978 anticipated Control Line rules changes will applied 1978 CL World Championships Indoor Free Flight Collision Rule Reflights Add re commenced flight must flown before next official flight US proposal slightly modifiedbased principle reflights should made essentially same air conditions original flight Timing Add c time recorded mean two times registered timekeepers reduced nearest whole number seconds below resulting mean time New Beginners Class Provisional rules established based upon modified FF Subcommittee proposal class mon oplanes 460mm 1811 mum wing span 3 grams 1058 oz minimum model weight rubber motor 15 grams 0529 oz maximum rubber motor weight Microfilm covering excluded other covering material may used Only flights 60 seconds considered official steering prohibited otherwise rules same World Champion ships class Steering Authorized use 1978 Indoor World Championships new rules adopted 1975 have implementation delayed until 1979 rules shown 1976-77 AMA rule book Outdoor Free Flight Flight Procedure Starting positions line right angles prevalent wind indicated small poles respaced 7 10 meters 23-328 feet apart Fl A-2 Glider 4 5 meters 131-164 March1978 73 FAI Rules Cont feet Fl B Fl C Wakefield Rubber FAI Power A-i Towline Gliders New provisional rules approved providing maximum sur face area 18 sq din 279 sq mini mum weight 220 grams 776 oz maxi mum towline length 50 meters 164 feet five official flights having maximum flight time 120 seconds Other fact requirement timers use bi noculars World Championships appli cable A-i remaining A-2 rules also applicable A-i Note Due revi sions new National AMA Records start ed category January 1 1978 Control Line Speed Fuel Now requires 80% methanol 20% castor oil equivalent75/25 formula eliminated Diameter Control Lines clarification given minimum diameter 389mm anything over okay Line Spacing previous definition reworded expand restrictions against line linking No intentional twisting and/or linking two lines together shall per mitted point exit model control handle lines shall sep arated least 5mm 2 point exit model least 25mm 98 handle Timekeeping slight rewording ap proved provides competitor right repeat flight difference tween two times recorded greater 2/i 0th second CL Aerobatics Hand Signal Elimination US pro posal rejected 8 ii against Scoring US proposal accepted maneuver flown out sequence will scored Omitted maneuvers scored succeeding maneuvers considered sequence flown proper order relative remainder flight pat tern CL Team Racing Timekeepers Belgian proposal ac cepted replace previous paragraph 7a required two timekeepers two lap counters three timekeepers follows Three timekeepers assigned team stand outside flying circle near starting point model control charge timekeeping lap counting particular team Para graph 12b changed accordingly 1 2c referring lap counters deleted Duties Jury new paragraph has added section 13 c time penalty five seconds shall given team start ing engines before starting signal CL Combat Jury Guide Several US proposals clari fy description handle illus tration specify crepe paper streamer should have minimum weight 50 grams per sq meter referred CL Subcommittee further action Competitor following clarification added para 4 helpers maxi mum 6 other team members team manager must registered partici patingon no national team beginning competition through its close Method Scoring new item U.SSR added section 11 g whole second stay ground model shall penalized 1 point case model flyaway lines handle ground time shall com mence moment such flyaway Cancellation Flight new item sec tion 16 US Netherlands added releases controls model flight before has come complete stop landing Radio Control Aerobatics complete new set rules approved per text elsewhere issue some interesting special features Total weight now measured fuel no longer wing loading requirementonly maximum surface area Maneuvers now three groups pattern B pattern list extra maneuvers can used finals World Championships competi tion normally will two flights B patterns top 10% contestants top five whichever larger will choose 14 maneuvers among three groups fly two NEW NATIONAL RECORDS STARTED JANUARY 1 conclusion rules-change cy cle review made see what new categor ies have reached official status enabling flight performances considered National AMA Record purposes whether rules have changed other categories such flight performance potential consid ered reduced latter case also flights scored differently new rules fresh new records started effective date new rules New records thus started following flights made AMA sanctioned competition beginning January 11978 Indoor Ornithopter three age classes three ceiling heights Novice Pennyplane three age classes three ceiling heights Outdoor Free Flight Electric Power three age classes A-i Towline Glider three age classes Category Ill same events Cat II three age classes Class C FF Power three age classes Cate gories 111 Ill Class D FF Power three age classes Cate gories 111 Ill Ornithopter three age classes Categories land Ill Control Line Junior B Proto Speed Senior AA B C Speed Profile Proto B Proto Speed Open D Speed 1AA Profile Proto B Proto Speed Note 1AA Proto full fuselage event eliminated flights finals contests other World Championships fixed schedule using same maneuvers may provid ed idea simplifying Contest Direc tor judging problems eliminating pilots choice maneuvers Noise Measurement Based US ex perience 1977 World Championships Springfield OH Aerobatics Subcommit tee will restudy silencer requirements view toward simplifying improving requirements application 1979 World Championships RC Pylon Racing previous official rules changed provisional status could exper imented easilywith goal finding universally acceptable model Continued page 78 FAI ClAM TECHNICAL MEETINGS list took part 1977 annual ClAM meetings Paris reads like Whos International Model Aviation Because stature people strongly influence trends progress activity therefore im portant AMA well represented meetingsso among lead ers rather followers four basic aeromodeling tech nical meetings Parisgatherings techni cal experts countries meet ings produced recommendations 29 voting delegates per country final say FAI rules changes meet ings took part Control Line Laird Jackson USA E Rumpel W Germany M Souliac France Y Sirotkin USSR Aarts Netherlands J Magne France R Beck Hungary Free Flight P Allnutt Canada P Chausse bourg France George Xenakis USA E Krill AustriaA Oschatz E GermanyC Sundstedt Sweden Abaunza Mexico G Burford Australia Kaynes United Kingdom M Dilly New Zealand M EI-Azizi Egypt V Sreckovic Yugoslavia W Koelliker Switzer land Scale H K Ziegler Switzerland D E Thumpston United Kingdom E Sharp Can ada Y Sirotkin USSR JP Jensen Denmark Bob Wischer USA Aarts Netherlands C Sundstedt Sweden J Reggiori France Beaufils France Radio Control Chris Olsen United King dom Jean-Claude Rey France Andre Beaufils France Georghiou Charalambos Cyprus Luigi Bovo Italy Warren Hitchcox Canada Ted Sharp Canada John Clemens USA Don Lowe USA Don Mackenzie So Africa Joe Dible Ireland Jean Ganier France John Burkam USA Adam Sattler USA John Worth USA Peter Blommaart Belgium Narve Jensen Norway Ottar Stensbol Norway Jens Jensen Denmark Werner Groth W Ger Werner Koelliker Switzerland Camille Gerard Luxembourg Axel Tigerstedt Fin land Geoff Dallimar United Kingdom Note RC Committee uses separate subcommittees Aerobatics Pylon Racing Thermal Soaring Helicopters 1978 new RC subcommittee added ElectraFlight electric motor powered models 74 Model Aviation FAI RC AEROBATIC POWER MODELS F3A AS ADOPTED DECEMBER 1977 1 Definition Radio Controlled Power Model Model Aircraft aerodynamic ally maneuvered control surfaces atti tude direction altitude pilot ground using radio control 2 Prefabrication Model Permitted model aircraft assembled com petitor prefabricated parts competitor installs equipment permitted models completely pre fabricated require few minutes unskilled effort completion com plete ready-to-fly models have built person other pilot 3 General Characteristics Radio Con trolled Power Models Maximum surface area St 150 din2 2325 sq Maximum tal weight fuel 5 kg 11023 lbs Maximum swept volume motors 10 cm3 61 cu maximum noise level method measuring stated Annex 4 Number Helpers pilot allowed helper during flight Two helpers may present during starting motor 5 Number Flights competitor has right four official flights 6 Definition Attempt tempt a when pilot announces take-off maneuver b when model fails commence take-off maneuver within three minutes allowed competitor c if motor stops after pilot has nounced start take-off before model airborne may started within 3-minute period However no points will awarded subsequent take-off ma neu ver 7 Number Attempts competitor entitled attempt official flight NB An attempt can repeated discretion Jury un foreseen reason outside control competitor model fails make start ie radio interference 8 Definition Official Flight official flight attempt made what ever result 9 Marking maneuver may awarded marks between 0 10 judges during flight marks multiplied coefficient varies difficul ty maneuver Any maneuver com pleted should scored 0 maneuvers must performed plane height will allow seen clearly judges approximately 60 degrees vertical ly 90 degrees horizontally non-ob servance rule will heavily penalized loss points model opinion judges unsafe being flown unsafe manner may instruct pilot land 1OClassification See Annex 11Judging World Championships a the organizer must appoint panel least three judges flight judges shall preferably different nationalities elected list persons approved National Aero Clubs ClAM specific system employed World Championship must stated ad vance organizers must have ap proval ClAM ClAM Bureau b shall judges briefing training flights before WC 12Organization RC Aerobatic Contests transmitters contest site must checked placed compound kept under observation During contest Stewards must control transmit ter compounds will issue transmitter competitor name called make flight As soon competitor has made official flight competitor will immediately return transmitter Steward Any unauthorized transmissions during period contest will result auto matic exclusion offe,der en tire contest render him liable further penalties During flight competitor must stay proximity judges under supervision Course Steward order starting various coun tries will established means draw before start contest compatible transmitter frequencies Competitors must called least five minutes before required occupy starting area Once competitor has given per mission start may delay no longer minute before attempting start motor timer will notify competitor minute finished immediately start timing 3-minute starting time organizer must provide adequate radio monitor purpose detecting radio interference means communi cating information pilot NEW FM PA1TERN RULES AFFECT ON AMA EXPERT AND MASTER CLASSES Its too soon fully assess what effect new FAI RC Aerobatics rules will have AMA Expert Master classesbut some al ready have expressed opinion new FAI World Championships system two flights pattern two flights other pattern additional two flights top fliers third pattern will compatible typical US contests Fur thermore theres aspect RC Con test Board pre-existing FAI pattern mind voted Ex pert Class would fly FAI pattern just same Master Class fliers will go unclear written late December Among possibilities might considered ever return Expert pattern Expert Class fliers and/or creation single composite pattern both Expert Master fliers Any action RC Contest Board will reported earliest possible time 13Scliedule Maneuvers RC Aerobatic Power Models maneuvers must execu ted during uninterrupted flight order listed time model passes front judges maneuver must executed except after take-off before landing case pass may made maneuver being performed recommended pilot helper should vocally indicate judges pilot about execute maneuver competitor may make attempt maneuver during flight pilot has three minutes start motor 10 min utes complete flight 10 minutes start competitor attempts start motor NB pass made model flies over line perpendicular center judges schedule maneuvers given An nex B descriptions maneuvers Annex C ANNEX 3 Noise Measurement defined ClAM RC Subcommittee 1OClassification competitor will have four flights two Schedule two Schedule B best scores schedule will added together determine team placings top 10% first five competitors will compete fi nal determine individual winner final will consist two flights com petitor best will added previous score determine winner final schedule will chosen competi tor complete list maneuvers Only 14 different maneuvers may selected cluding take-off landing give maxi mum total score 450 points Only Figure M may included ANNEX B Schedule Ta ke-Off Double Immelmann Three Reverse Inside Loops Rolling Eight Slow Roll Top Hat Horizontal Eight Figure M /4 Rolls Three Outside Loops Three-Turn Spin Three Horizontal Rolls Landing Total x 10 ctor 2 3 2 3 3 2 5 2 2 3 290 K Factor 2 2 2 2 2 4 3 3 5 2 290 March 1978 75 Schedule B Take Off Reverse Double Immelmann Cuban Eight Three Inside Loops Straight Inverted Vertical Eight Four-Point Roll Three Reverse Outside Loops Two Rolls Opposite Directions Figure M /4 Rolls Cobra Roll Landing Total x 10 Pattern Rules Cont List Extra Maneuvers FinalsK Factor Avalanche3 Inverted Spin3 Square Horizontal Eight4 Eight-Point Roll4 Vertical Roll3 Aileron Turn3 Figure M3 Square Loop Four Rolls5 Two Snap Rolls Opposite Directions5 Reverse Knife Edge4 Inverted Top Hat4 Reverse Cuban Eight2 Reverse Point Roll4 Triangle Rolling Loop4 ANNEX C DESCRIPTIONS OF MANEUVERS maneuvers will start finish straight level flight have same altitude heading entry exit unless otherwise stated maneuvers will downgraded start finish straight level altitude heading same exit entry maneuvers have loop shall have loops same diameter similarly maneuvers have roll shall have rolls same roll rate consecutive rolls shall same alti tude Take-Off model must stand still ground motor running ing held must take off take-off run should straight model lift gently ground climb gradual angle take-off completed model approximately two meters 6% feet ground Downgrades 1 Model does stand still released 2 Changes heading during take-off climb 3 Model jumps ground 4 Retouches ground after becoming air borne 5 Too steep climb angle 6 Gallops elevation during climb 7 Wings level time Double lmmelmann Model pulls upintoa half inside loop half rolls upright flies straight level approximately second does half outside loop half rolls level flight Downgrades 1 Half loops deviate left right 2 Half rolls immediately after half loops 3 Half rolls deviate left right 4 Model pauses second fore half outside loop 5 Half loops same altitude Three Reverse Inside Loops Model half rolls level flight pauses approximately second does three consecutive side loops downward flies approximately second inverted half rolls upright loops should round superimposed Downgrades 1 Changes heading during half rolls 2 Loops round 3 Loops superimposed 4 Wings level during loops 5 Changes heading during loops Rolling Eight Model pulls upfrom level flight completes inside loop bottom exe cutes half roll makes second inside loop directly under first half rolls back level flight Downgrades 1 Loopsnotround 2 Second loop directly under first 3 Model level start finish half rolls 4 Changes heading during loops rolls 5 Wings level during loops Slow Roll Model rolls slowly through complete revolution either direction ma neuver takes approximately five seconds Downgrades 1 Changes heading 2 Changes altitude 3 Roll rate constant 4 Model does roll exactly 360 degrees 5 Roll takes less 4 6 se conds Top Hat Model pulls up vertical atti tude pauses makes half roll pauses pulls over inverted flight short period pulls down pauses makes half roll pauses re covers level flight Downgrades 1 Model vertical before starting fin ishing rolls 2 Rolls exactly 180 degrees 3 Model does fly straight level verted 4 Vertical horizontal legs same length 5 Rolls same length 6 Changes heading during maneuver Horizontal Eight Model pulls up com pletes % inside loop vertical posi tion does complete outside loop vertical position again recovers doing /4 inside loop Downgrades 1 Loops round 2 Model vertical crossover point 3 Changes heading during loops 4 Loops same diameter 5 Loops same altitude 6 Model does crossover same point Figure M Rolls Model pulls up vertical attitude executes /4 roll stall turns through 180 degrees turns again same direction first roll does out side loop vertical attitude again rolls same direction first two does verted stall turn through 180 degrees /4 rolls same direction other three recovers level flight Viewed side model executes figure M Downgrades 1 Model vertical start finish rolls stall turns 2 Stall turns 180 degrees 3 /4 rolls exactly 90 degrees 4 Bottom outside loop level en try 5 Changes heading during outside loop rolls 6 Stall turns same altitude Three Outside Loops Model pushes over executes three consecutive outside loops loops should round superimposed Downgrades 1 Loops round 2 Loops supsrimposed 3 Wings level during loops 4 Changes heading during loops Three-Turn Spin model establishes heading power reduced model held slightly nose high attitude until stalls commences spin model will autorate through three complete turns recover same heading different alti tude Downgrades 1 Entry level 2 Does make three turns less two four score zero 3 Does finish same heading 4 Wings level during recovery 5 Spiral dive scores zero Three Horizontal Rolls Model rolls uni form rate through three complete revolutions either direction maneuver takes approxi mately five seconds Downgrades 1 Changes heading during rolls 2 Changes altitude during rolls 3 Roll rate constant 4 Model does exactly three rolls 5 Maneuver takes less 4 6 seconds Reverse Double Immelmann Model pushes over executes outside loop followed immediately roll pauses approxi mately second does /2 loop immed iately rolls level flight Downgrades 1 Changes heading during /2 loops rolls 2 A rolls immediately after loops 3 Model pauses second fore inside loop 4 A loops same altitude Cuban Eight Model pulls up executes inside loop 45 degrees inverted mod el does half roll followed another inside loop again 45 degrees inverted model does another half roll recovers level flight Downgrades 1 Loops round same size 2 Model 45 degrees before commence ment rolls 3 Changes heading loops rolls 4 Rolls cross over same point Three Inside Loops Model pulls up exe cutes three consecutive loops loops should round superimposed Downgrades 1 Loopsnotround 2 Loops superimposed 3 Wings level during ioops 4 Changes heading during loops Straight Inverted Flight Model half rolls inverted flies straight level inverted minimum four seconds half rolls back level flight half rolls may either direction Downgrades 1 A rolls level 2 Inverted flight straight level 3 Changes heading during rolls verted flight 4 Inverted flight less three five seconds Vertical Eight Model pulls up executes complete inside loop bottom pushes over completes outside loop directly under inside loop Downgrades 1 Loops round same diameter 2 Changes heading during loops 3 Wings level during loops 4 Outside loop directly under inside loop Four-Point Roll Model rolls through 360 de grees hesitating 90 degree point hesitation wings parallel vertical horizon maneuver takes approximately five seconds Downgrades 1 4 rolls less 90 degress 2 Model does hesitate after roll 3 Roll rate constant 4 Roll takes less 4 6 se conds 5 Changes altitude Three Reverse Outside Loops Model half rolls inverted pauses approximately se 76 Model Aviation cond pushes up execute three consecu tive outside loops pauses approximately second half rolls level flight loops round superimposed Down grades 1 Loops round 2 Loops superimposed 3 Changes heading during loops rolls 4 Wings level during loops 5 Model pauses second fore after loops Two Rolls Opposite Directions Model rolls 360 degrees either direction immedi ately after rolls 360 degrees opposite direction rolls take approximately five se conds Downgrades 1 Changes heading 2 Changes altitude 3 Roll rate constant 4 Rolls exactly 360 degrees 5 Second roll does start immediately after first roll 6 Rolls take less 4 6 se conds Figure M V2 Rolls Model pulls up vertical attitude performs roll stall turn through 180 degrees another roll exe cutes half inverted loop followed third /2 roll second stall turn fourth roll recovering level flight rolls may direction stall turns must opposite directions Viewed side model executes figure M Downgrades 1 Model vertical start finish rolls stall turns 2 Stall turns exactly 180 degrees 3 / rolls exactly 180 degrees 4 Bottom outside loop level entry 5 Changes heading during outside loop rolls Cobra Roll Model pulls up 45 degree angle half rolls inverted attitude executes loop half rolls upright attitude re covers level flight Downgrades 1 Initial climb 45 degrees 2 Rolls 180 degrees 3 A loop 90 degrees 4 Descent 45 degrees 5 Changes heading during rolls loop Landing model flares smoothly touch ground within landing circle no bouncing changes heading rolls stop Landing maneuver will start two meters 6A feet ground Downgrades 1 Model impacts ground due lack flare 2 Model bounces after touchdown 3 Wings level 4 Changes heading 5 If model ends its back zero points 6 Model lands outside 30 meter circle 7 If undercarriage leg retracts land ing zero points Avalanche Model pulls up completes half loop top executes complete snap roll~ recovers does another half loop finish level flight Downgrades 1 Loopnotround 2 Changes heading during loop 3 Wings level during loop 4 Snap roll 360 degrees 5 Roll snap roll Inverted Spin Model establishes heading half rolls inverted power reduced model held nose high attitude until stalls commences spin model will autorotate through three complete turns recover same heading different al titude half rolls upright position Downgrades 1 A rolls level 2 A rolls 180 degrees 3 Wings level during entry exit 4 Spiral dive scores zero 5 Does finish same heading 6 Does make three turns less two four score zero Square Horizontal Eight Model pulls up executes square loop bottom third leg does complete square out side loop behind inside loop model should rotate sharply corner straight paths should least 20 meters 65A feet long Downgrades 1 Loops square 2 Vertical downward paths coincide 3 Loops same size 4 Changes heading 5 Wings level 6 Loops same altitude 7 Sides squares same size Eight-Point Roll Model rolls through 360 de grees hesitating 45-degree point wings should parallel vertical 45 de grees horizon maneuvers take ap proximately 5 seconds Downgrades 1 1/8 rolls less 45 degrees 2 Model does hesitate after 45 de grees 3 Roll rate constant 4 Roll takes less 4 6 se conds Vertical Roll Model pulls up executes 360 degree roll vertically upward pushes over finish level flight Downgrades 1 Model vertical start finish roll 2 Roll exactly 360 degrees 3 Roll vertical 4 RoIl rate constant Aileron Turn Model pushes over executes 360-degree roll vertically downward re covers finish level flight Downgrades 1 Model vertical start finish roll 2 Roll exactly 360 degrees 3 Roll vertical 4 Roll rate constant Figure M Model pulls up vertical atti tude executes 180-degree stall turn either direction does outside loop again executes stall turn opposite direction recovers level flight Downgrades 1 Model vertical before after stall turns 2 Stall turns 180 degrees 3 Climbing diving paths parallel 4 Bottom outside loop different alti tude entry 5 Altitude second stall turn different first Square Loop Rolls Model pulls up completes square loop side model executes roll Downgrades 1 Loop square 2 Rolls 180 degrees 3 Wings level during loops 4 Changes heading during rolls loops 5 Sides square equal length Two Snap Rolls Opposite Directions Model snap rolls through 360 degrees recovers immediately snap rolls opposite di rection recovers level flight Downgrades 1Rolls 360 degrees 2Rolls snap rolls 3Changes heading 4Changes altitude Reverse Cuban Eight Model pulls up 45 degree climb half rolls executes % loop half rolls inverted loops back level flight same point entry Downgrades 1 Loops round same size 2 Model 45 degrees commence ment rolls 3 Changes heading during loops rolls Reverse Top Hat Model pushes vertical downward attitude half rolls loops level inverted flight flies inverted same distance downward path loops upward vertical attitude half rolls pushes over level flight Downgrades 1 Model vertical start finish half rolls 2 Rolls exactly 180 degrees 3 Model does fly straight level verted 4 Vertical horizontal legs approxi mately same length 5 Rolls same length rate 6 Changes heading during maneuver Reverse Point Roll Model rolls through 270 degrees hesitating 90-degree point rolls 270 degrees opposite direction hesitating 90-degree point finish level flight Maneuver takes approximately 5 seconds Downgrades 1 A rolls less 90 degrees 2 Model does hesitate 90-degree point 3 Roll rate constant 4 Roll takes less 4 6 se conds Triangle Rolling Loop Model pulls up 45-degree climb holds attitude ap proximately second loops through 135 degrees does complete roll loops through 135 degrees holds attitude approxi mately second recovers level flight same point maneuver started climbing descending portions should same length Downgrades 1 Climbing descending paths 45 degrees 2 Climbing descending paths same length 3 Roll 360 degrees 4 Model changes heading during loops roll 5 Model does start finish maneu ver same point * If initial entry spin smooth spin itself jerky uncertain reason downgrading indication spin true spin spiral dive dicated its smoothness increasing air speed during spin airspeed does crease appreciably ** A snap roll auto rotation horizon tal axis plane rails very rapidly nose-high attitude plane rolls along its axis snap roll SAFE FLYING IS NO ACCIDENT March 1978 77 FAI Rules Continued page 74 specifications racing procedures noted very unusual develop ment apparently necessary due widespread disagreement about rules among countries involved Pylon Racing reversion provisional status FAI World Championships Pylon Racing will possible until printing next Sporting Code after 1979 edition probably means 1984 earliest meantime interested return World Championships status RC Pylon rules will need help develop international agreement such rules over next four years including participation international contests using FAI provisional rules either rules presently exist may modified during next few years Provi sional status allows rules open change annual basis Adam Sattler chairman RC Pylon Racing Subcommittee coordinator APPROVED DECEMBER 1977 1 Premise utmost importance model fliers observe first safety rules Any accident caused careless ness hindrance progress model aviation safety rules obstacle enjoyment model flying guidelines established prove model fliers responsible people proclaim sign intelligence show ones own skill among spectators flier may know what doing has no way knowing what anyone else will So personal benefit make certain no action part will result accident therefore very important fly model aircraft competition pres ence spectators until has proven air worthy having previously flight tested 2 Competency Safety following ficials competent apply enforce safety rules Jury - the Contest Judges - the Contest Director - the Circle Marshalls - the Timekeepers - the Processing Officials - the Leaders Organization 3 Regulations Concerning Models Parts Prohibited a metal-bladed rotors b knife-edge leading edges main tail rotor blades c non-shock-mounted radio equip ment d ballast heavy part subject jettison ing Recommended a Blade attachment single through bolt self-locking nut allows blade lead lag hits something thus prolonging blade life b model should bear sticker listing modelers name address phone num ber c Radio antenna should restrained such manner eliminate chance its entanglement moving rotating part helicopter effort revive FAI activity cat egory Anyone interested should contact Adam Sattler 80 Rand Rd Apt A-2 Schenec tady NY 12309 RC Thermal Soaring General designation F3B now applies RC Thermal Soaring Gliders F3F has added RC Slope Soaring Gliders F3G has added RC Pow ered Gliders Both F3F F3G allow two models entered model specification certificate required entries international events must bear signed affidavit entrant has complied spirit rule 13 pertaining prefabrication Attempts Official Flight Section 16 completely replaced including title following 16 Attempts Official Flight 1 Attempts task during working time allocated him competitor entitled unlimited number attempts 4 Pre-flight Checks Before flight modeler should make following checks a Be certain frequency being em ployed clear properly authorized use modeler large groups modelers fly together system identifica tion frequencies should established b Test good functioning controls engine stopped c Test good functioning controls engine running strongly rec ommended model held hand tail boom checking blade tracking control functioning trim can done model sitting ground weights landing skids desired model held overhead both skids helper should done safe distance 110 ml other people helicopters pit area d Models should run-up free hov ered test flown pit area clear area least 30 meters square e Models should flown pres ence spectators until have prop erly tested proven airworthy 5 Flight Procedures Before during flight pilot should observe following a The helicopter should carried flown taxied ready box takeoff pad b Do fly toward over spectators pit parking area such manner malfunction could cause model crash spectators c Do fly solo presence spec tators until qualified flier judged experienced helper d At sign malfunction land quickly possible 6 Flying Sites flying site should large enough provide minimum about 200 meters 100 meters clear space containing no buildings people highways b At flying sites within 5 miles 8 Kml airports models shall flown higher 400 feet permission air port operator tasks B C after release towhook after model has crossed base repeat first time flying di rection base base B no further tempt permitted b competitor entitled new working time period end round model launching cable collides another model flight person being launched strikes another launching cable Should flight continue normal manner competitor may de mand flight accepted official demand made end flight flight has judged fault judges timekeepers case unexpected event duly witnessed official judges timekeep ers flight has hindered aborted 2 Official Flight official flight last flight performed during working time Cancellation Flight Disqualification Paragraph modified call annul ling flight competitor used model line launching device conforming FAI rules new paragraph e added case hand pulley towing launching device except launching cable must thrown competitor under penalty cancellation flight Distance Task new rules adopted December 1976 FAI applicability 1979 providing man-on-man concept distance task rescinded move re duce element luck rule 24b mod ified allow scoring up maximum 12 laps simplify course layout well scoring course rule 24e divided four fractions instead 10 previous Organization Starts Add 18 separate draw shall held round Organization Contests Add 19 No sighting apparatus should placed within minimum distance 3 meters limits thf course Alternating Tasks new rule increases importance duration task relative distance speed 21i amend combination read combina tion Task other task constitutes round minimum 2 rounds must flown tasks B C alternating round Any single round . Rule 27 modified accordingly round total score complied adding partial score either B C competitor Speed Task Change 25a 4 minutes 5 motorgllders completion task Under 22 Launching paragraph f added speed task flight annulled model crosses line during its timed flight Motorgliders Rule 21ii changed read organizer can establish whether radio controlled gliders Auxiliary Power RC Motorgilder enter same contest unpowered gliders have separate classifi cation system classification must announced propositions con test Classification Paragraphs b c 28 eliminatedreplaced results achieved competitor rounds will determine position final classifica tion order decide winner tie task C speed repeated 78 Model Aviation FAI SAFETY CODE FOR RC HELICOPTERS RC Helicopters current ruies CN section April 1977 issue remain provisional blended RC Helicopter Subcommittee rules changes proposed West Germany presented December 1978 ClAM meeting approval new combination meantime approved change current K-factors through di viding 5so 15 10 S become 3 2 1 Also new Safety Code RC Heli copters approved see elsewhere sue RC Electroflight new set provisional rules approved replace previously effect new rules have tested European competi tion 1977 considered prac tical improvement over previous provision al rules new provisional rules else issue Scale RC Maximum Weight Rule 31 changed 5 kg 11 lbs 6 kg 13 lbs 36 ozs fuel including dum pilot Definition Scale Models further de fine permissible models agreed change 11 such aircraft has air borne acceptable subject meaning designs built never flown acceptable RC Quality Landing landing circle used rule 3712 25 meters 49 diameter factor K9 landing within circle factor K4 land ing outside circle Judging Agreement judges Guide General following sentence de leted because impracticality applied maneuvers desirable principle judges conferring agree realism flight scoring applied flight maneuvers order avoid large dis crepancies between individual judges marks Future Rules changes FAI Scale Rules will frozen until end 1982 except ratio between subheadings sta tic scoring complexity headings may changed provided total K-factors section changed Static Judging Points Rule 15 previously said fractions tenths point could used tenths now has deleted Proof Scale Add 94b Color drawings authentic sources eg Pro file type publications including three views acceptable proof color mark ings Also proof tbe cruising speed must supplied Judging Fidelity Scale crafts manship Separate judging fidelity scale craftsmanship complexity have elim inated Instead approved modify 110 follows provide combined scoring fi delity scale craftsmanship com plexity bonus handled separately Fidelity Scale craftsmanship 1 Fuselage 2 Wing equivalent 3 Tail surface equivalent empennage 4 Landing gear 5 Propulsion units 6 Cockpit cabin detail 7 Finish color markings pecial ingenuity complexity Bonus new section has added heading following rules order compensate models com plex prototypes inherent disadvan tages flight following bonuses shall awarded form percentage total flight score Wings Monoplane Biplane single bay Biplane double bay lane Quadruplane Engines Single Twin Engines Three Engines Four Engines Above four Undercarriage Fixed tricycle0 Fixed conventional bicycle monowheel5 Retractable tricycle Retractable conventional General Pre-1914 design10 Notes order qualify multiple engine bonus power ratio engines must per prototype engines must operate Judges shall decide upon appropriate percent bonuses applied flight score model during static scoring procedure Other paragraphs rules necessary revised accommodate combined scoring fidelity scale workmanship judging separate application complexity bonus Realism Flight CL RC 272 3710 following footnote has added scale model cruis ing speed prototype must stated flight scoring form Discrepancies Documentation Add judges Guide discrepancy measurements due scaling up drawing stated basic dimensions should prevail discrepancy between drawings stated basic dimen sions latter should prevail Measurement Tolerances Judges Guide tolerances 03% measurement fuselage wing have eliminated RC Taxi Present 371a has elimi nated replaced three sub-paragraphs according landing gear type follows aa Models aircraft using two-wheel landing gear tail skid two-wheel gear non-steerable tail wheel other gear config urations allowing steering will taxi ward wind distance up 15m slow down near stop stop come airborne realistic manner ab Models aircraft using two-wheel landing gear steerable tail wheel will taxi forward wind downwind contestant prefers distance up 1 Sm K1 0 using 5 turn visibility taxiing procedure slow down near stop stop depending K9on whether prototype equipped K9with brakes become airborne - K8realistic manner odels aircraft equipped K1 1steerable tricycle landing gear will taxi down- -K4wind least 1 Sm stop turn least 120 de grees wind become airborne realistic manner Errors Model does stand still unassist ed before commencirg taxi Model does follow prescribed course Model does halt before taking off prototype brakes Model taxies too fast Model does taxi manner prototype % Bonus Downgrading Ready-Made compo 0 nents Craftsmanship Judging last sen tence changed read marks 10 other commercial items should graded least 50% unless has 20been considerable degree reworking FF Scale rules provi sional since 1971without evidence in0 ternational use have dropped New rules 10 may proposed time future 15 RC Scale Gliders As per F F Scale 20 provisional rules have used 25 internationally since adopted 1972 have dropped World Records RC Glider Speed Straight-Line course 10 Special conditions RC Gliders have 10 eliminated future RC Gliders must use same base altitude require ments RC Power models primary pur pose lengthen RC Glider base has become especially important due high speeds being attained Automatic Timing speed records straight line following new rule has added speeds above 300 km/hr 1864 mph manual actuation timing devices permitted Only automatic means tim ing eliminate human error factor permitted must certified accurate within 1/100 second c closed course Speed Records Ap proved new record categories Power models Gliders separately per fol lowing rules Base course consists square de fined four prominently colored pylons poles set 200m 6562 apart 90-degree angle other situated flat land land minimum fall exceed 1 meter 200m within 1 km course An upright pole 20 meters 657 cor ner square extension line drawn between two pylons side square will establish Starting/Finish Line Four judges will situated immediately under pylon will raise red flag signal lights model infringes side space bounded poles Note essential accurate speed measurement poles absolutely ver tical order prevent course length differ ence altitude RC Gliders must free launching cable specified 725 prior crossing Start/Finish Line Models land prior completion four legs course intrude forbidden airspace except after timing completed disqualified flight void no altitude restric tion prohibition against circling thermals outside course Timing begins model crosses Start/Finish Line ends model completes course again crosses Start/Finish Line still airborne intermediate landing within 30 minutes launch Availability Record Data ClAM voted unanimously recommendation CASI March 1978 79 FAI Rules Cont appropriate high FAI authority photocopies record dossiers available upon request national aero club fee cost plus 10% World Championships 1978 Control Line Speed Team Race Aeroba tics Combat plus Control Line Radio Control Scale approved August 4-10 Woodvale England near Liverpool Indoor bid Romania ac cepted because required guarantee FM South Africa allowed participate condition allowed However ClAM president empowered see condition would removedon assurance South African delegate no team country would partici pate matter left hanging ClAM president advise countries end January whether Romanla some other country would host event Note press time both England US considering possibility offering host neither good position Spacemodels model rockets Bulgaria approved host early Septem ber probable date 1979 RC Aerobatics Approved South Africa probably September Note An expected offer Mexico did materialize dele gate Mexico present no information regarding offer host RC Soaring Offers US Bel gium noted Both countries sub mit firm details offers ClAM Bureau officers meeting Paris March 31 Bureau will decide offer will prevail AMA currently working National Soaring Society SOAR group Chicago view toward holding event city Free Flight firm offer Yugoslavia approved site European Championships held end May early June Note site said five kilometers square 1980 Control Line Speed Team Race Aeroba tics Combat firm offer Belgium approved Radio Control Control Line Scale firm offer Canada approved held Ottawa RC ELECTRO-POWERED MODELS F3E PROVISIONALAS ADOPTED DECEMBER 1977 Definition RC Electro-Powered Models Model aircraft lift generated aerodynamic forces acting surfaces remain ing fixed during flight except control sur faces performs maneuvers con trolled pilot ground using radio control connection propulsion model effected fixed foldable propel lers driven electric motor can regulated during flight power-pack electric motor must have fixed connection ground another model air Recharging power-pack solarcells permitted during flight Prefabrication Model Permitted plane assembled builder prefabricated parts builder installs equipment Permitted Models com pletely prefabricated require few minutes unskilled efforts completion complete ready-to-fly models have built person other pilot General Characteristics RC Electro-Powered Models Maximum surface area 150 sq dm 2325 sq Maximum total weight 5 kg 11 lbs Maximum loading 75 gr/sq dm 2457 oz/sq ft Minimum loading 12 gr/sq dm 395 oz/sq ft Number Helpers pilot permitted helper Number Flights competitor class has right three official flights two best flights shall counted Take-Off Take-off must executed either two manners described hereafter change type take-off during contest may allowed contest director whole round Take-off ground hand-launchingWhen hand-launching competitor helper have ground hand-launch model use starting devices Definition Attempt attempt a the pilot announces take-off b model taxies case take-off ground c pilot releases model case hand-launching dl model fails start within five minutes allowed Number Attempts competitor al lowed attempt official flight Exceptions An attempt may re peated organizers judges discretion reason outside control competitor organizer model unable take-off Definition Official Flight official flight attempt made what ever result repetition official flight permitted take-off possible possible due time safety reasons b competitorit has proved cannot perform flight due outside inter ference no scoring made reasons outside control competitor such cases take-off may repeated im mediately after fruitless attempt take off after personal report contest manager during same round out round Marking maneuver round will awarded points Scoring flights starts model released case hand-launch ing b model starts taxi ground Scoring flights ends a model fails start within allowed time b model touches ground ob struction connected ground c lettisoning occurs dl official flight completed No scoring will made following rea sons a when model used already anoth er competitor same contest model accordance general rules characteristics class b model started permission wrong starting sequence c competitor fails return transmit ter flight completed case un authorized use transmitter during flights dl pilot fails release model starting point employs two helpers e pick up transmitter before second call made commencing take-off before called fI entering starting area before second call made switching transmitter before nouncement gI pilot fails take-off within allowed time three minutes officially called hI repetition start permission I starting manner allowed particular category ii hand-launching effected ground using take-off devices k pilot moves away take-off area does operate transmitter himself I model leaves flying space maneuvers cannotbe seen judges Classification final classification will determined aggregate sum two best flights case tie first place final result will established fly-off Any fly-off must take place within hour normal finishing time contest No attempts permitted results fly-off shall count establishment title such World Champion prizes awarded Judging a The organizer must appoint panel least three judges official flight judges shall preferably different na tionalities elected list per sons approved National Aero Clubs ClAM rotation system equivalent system may used provided judge will score contestant equal number times specific system employed World Championship must stated ad vance organizers must have prior approval ClAM ClAM Bureau b There shall training flights judges briefing before after held immediately before World Cham pionship Organization RC Electro-Flight Contests transmitters used contest must checked placed compound kept under observation During con test steward must control trans mitter compound will issue transmit ter competitor name called standby flight As soon attempt has ended competitor must im mediately return transmitter steward transmitter compound unauthor ized transmissions during contest will re sult automatic disqualification offen der entire contest render him li able further penalties order starting 80 Model Aviation no scoring 2 various countries competitors will established means draw before start contest Competitors must called least five minutes before required occupy starting area organizer must provide radio-monitor purpose detecting possible interferences Suggested Schedule Maneuvers F3E Spe cial Out 14 maneuvers listed below six must chosen flown competitor sequence maneuvers has laid down writing valid rounds Take-off ground permitted scoring provided another maneuver replacing schedule has completed within time max 5 minutes counting se cond official call Maneuvers 0Hand-launching 1Take-off ground 2Two inside loops 3Two outside loops3 4Double lmmelmann2 5Turn1 6Spinthree turns2 7Cuban Eight3 8Running Eight starting down ight starting middle2 10Three horizontal rolls2 11 Four-point roll3 12SIQw roll mm 4 sec3 13 Approach rectangular four legs aLanding 30 m circle1 14bLanding 15 m circle2 Suggested Schedule Maneuvers F3E Junior Models two axes radio control steering Engine running radio-controlled Landing aids schedule has completed within time 5 minutes counting second official call After launching hand following ma neuvers have flown given order Coefficient Maneuvers 1Two outside loops3 2Turn2 3Inverted flight starting ending Ia loop2 4Spintwo turns2 5Approach2 6a Landing 3Gm circle1 6b Landing 15 m circle2 Schedule Maneuvers Electro-Motorgliders two turnlines distance 150 meters middle distance shall gate Gate two poles 3 m high dis tance 20 m turnline shall timekeeper flagman model running engine handlaunched Time release taken timekeeper first task pilot has total flight-time 200 sec has decide much will use climb much gliding competitor has shut tle between two turnlines often pos sible gliding turnilnes have over flown time full leg com petitor given 10 points Restarting en gine before expiration 200 sec termi nates scoring does expiration 200 sec After task competitor has fly again through gate soon possible passing gate timekeeper No 2 takes time flying through gate proper altitude means between two poles lower top 10 points grant ed After passage through gate climb starts delay Now total time climb gliding will 300 sec Again up competitor decide much time will use climb much gliding second gliding time competi tor given point second over 300 sec total flight time point shall deducted important gliding time taken motor cut gliding time ends motor restarted Lee Hines Costa Mesa CA holds own design Ulti max A-2 Towline Glider set Open age class national record December 18 1976 rec ord still stands 53 Coefficient minutes 46 seconds comprised 12 maxes last five progressively aeasing times increments minute 13th flight 148 seconds record set Elsinore CA Record Trials organ ized Sky Hoppers Orange County very super special dayforfly ing Free Flight Hines said Ultimax features wing 15181 aspect-ratio CH-407 airfoil modified per Crowley/Klintworth undercambered stab airfoil 7% thickness Covered Japanese tissue model also Seelig de thermalizer timer Czech cir cle tow hook NFFS fiber glass tail boom CONTEST COORDINATORS I Pad L Penney S Chalorta AndOne, MA 01810 II R SobrinO 87-26 88th St. Woodlsanen Oseens NY 11421 Bc Bryan Sattlar 29 Waldorf P1. Schesecnfdy NY 12307 5c Frei Rlackborn6 Bloe8psoce Ln Cotsnack LINY 1172S III Ken Raber Rd 1 Naaareth PA 18064 lEash M Wesanbach 4585 W 148s1s St. cleneland OH 44135 West Rc J Slaver 809 Forest Rose Ave. Lonter OH 43130 West V Warren sanders Jr 9735 52nd Ave College Pk MO 20741 Sc J Lawrence 12538 Ffoodstock Dr. upees Marlboro MD 20870 V Sen Cleveland 708 Coontry dab Tollatonsa TN 37388 RC J Oasis Jr18135 Lakeshore eirsnngnaatAL35216 RC Ctsarlene Fields 818 Main St Ness Ellisoton sc 29809 FREE FLIGHT CONTEST BOARD I Henry Strock RFD No2 Hat4ssg Old Lysno CT 06371 II Carrel Alvin 2Araona R Hontngson sta NY 11746 Ill Rody Klcibar 2021 Lakeland Are. Lakewood OH 44107 IV joe 8oy1e J. 218 Slsanedosh Rd. Hampton VA 22361 V Sooty Jonkios 3112 East Raises Rd. Marnpnis TN 38118 VI Chris Massono 10132 Oooglass Ct. 55 Ann MO 63074 VII Phil KIntwosth Jr. 715 Rosters Rd. Rocnestes Ml 48063 VIII Mark Valascs 23132 Poeseran Dr Honstot TX 77055 IX Edward ColIos 4318 6 Utah FV Denver CD 80222 X Joe Nontross 4836 Wee 123rd St. Hawthorne CA 90250 XI Ernie Linn 16858 121 Ate SE Rattan WA 88096 CONTROL LINE CONTEST BOARD George rlggrls P0 Boo 482 North Pembroke MA 02358 II 811 Sots 7706269th St Ness Hyde Park NY 110413 Ill Lairn Jackson 523 Meadtssbrook St Davids PA 19087 IV Rae McNIIy 6118 8da As. SisrngdiM VA 22152 V Date Hernstracght D 80 171 Motcha Corner SC 29461 VI Sob SoreS 132 Rocklord Apt 12 Porest Park IL 80130 VII Jantss Sinton 4941 Wisconsin Ave N Now Hope MN 55429 VIII Charles Atatton 3730 Kiesnorest Dallas Tx 78233 IX Michael Tallmen 3014 Sochenge Wichita KS 67217 X Pate Srandt 405 21st St. Manhattan Stack CA 90286 Xl Dan Ratherford 4706 227th P1 55. Bothall WA 98011 pull However motor may re versed after announcement Landing ap proach landing included glid ing time Having announced landing ap proach pilot may use landing aid Landing 30 m circle Coefficient m circle tal flight time ends model touches ground program aims development models good rate descent min imum speed relatively high rate climb power-flight VI Kit DeWant 3930W Jettersot Kokosno IN 46901 BC Ralph White R R 1 Boo 324 Neoga IL 62447 VII John Evert 421 Walnot Ln Apple Valley MN 55124 West Wesley Slave 1213 Wall St. Port Horon Ml 48060 East VIII John Deaton 5012 Royal Or. Ft Worth TX 76116 BC Larry Stanfitld 301 Wilson St Crossley TX 78036 IX JantesT Fitiey6540 6 Central Wioltita KS 87206 BC Robert Arnntt 2009 Keasas Great Bend KS 87530 X Myrtle Coad Rt Boo 19 Losses Lake CA 85457 Northl Lee POlotkh 258 nt Ave. Dolana CA 93017 Sooth XI Don Dodd 3409 Baltidere Ava. SW Seethe WA 98126 Rc Donald Miller 3436 S 263rd St. Kent WA 58031 RC Pylon & Soaring Rd Pattern sod tnher RC RC Soaring attern Pylon & other RC RADIO CONTROL CONTEST BOARD I Does AIlsed 38 Sosnsst Rd LeninStan MA 02173 I Joe Frend 62 Joysan Tens PraehOld NJ 07093 III Dave Bsossn 8534 Haddlestos Cincinnati OH 46236 IV Fred M Gregg 12709 RichssOfld St Osestas VA 23821 V Rhert Miller Sr 3035 Lakeshore Os. Tallahassee FL 22302 VI hoE Underwood 4109 Coescord Oaks Dr. S Lons MD 83128 VII Peter Waters 31219 Kendtll Unonia MI 48154 VIII Davd Hyde 2026 Snossssass Lt Garlatd TX 75042 IX Loren Tregellas 3002 S Everett Withta KS 67217 x Bill Neetheop Ie. 621W lkh St Cost Mm CA 80627 Xl Ralph Brooke 3431 5 194th Seartle WA 98188 SCALE CONTEST BOARD I Richard Sharesas 406 River Rd. Tessktbory MA 01876 II Robert Gossens 55 Snoressay Dr. Rochester NY 14012 III Edward Wissar 1521 Sosssst St MoKeasport PA 15130 IV Bob KarIsson 2643 Marsh Rd. Wilssiogton 05 19810 V Daoid PIart 6540 NW 15th Ft Laaclasdale PL 33313 VI Prank Seatty 2605 Pontoon Rd. Granite City IL 604O VII Ossad MeCalloagls Boa 40 Mentacees IA 80171 VIII Johnty Casborn Boc 8029 Ft Worth TX 76112 IX Dean Copaland 7817 Seward St. Osnana NE 68114 X Fraal Capan 251 Coatino de las Florne Encinitas CA 93024 XI Earle Moorhead 2750 View P1 5 Salem DR 87302 cONTEST BOARD COORDINATOR Don Lindley 420 Tapala FJpanill IL 60640 March 1978 81 DIRECTORY Bold Peos 610w IndIcate Otaictean Contat Board X SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX 0 Competition News will present time time constructive thought-provoking ideas further However feel being criticisms AMA rules policies affect competitors issue has two sides CNright just enough hobby where0 Owill endeavor print viewpoints have submittedwithin limits availableanyone times wrong read onX Co waco uniqueness constructiveness timeliness good taste Determination appropri- y railroad-highway intersections have Xateness publication of matters must necessity rest solely publisher O ght presented author should necessarily construed asflashing lights bells automatic gates yes-0 AMA HO AMA officers publisher should note publication terday stood sign read RAIL- -u 4rules-change policy-change idea does necessarily mean specific proposal has beenROAD CROSSINGSTOP LOOK LISTENCo O presented Contest Board Executive Council appropriate committee such action stop could see up down 0 Co responsibility author anyone else interested obtaining official action tracks could see up down X Xtracks would have Co 0 0tracks tracks wrong place Co 4THE BEST F F TEAMsupport manufacturers make en- Before get tracks LISTENIu Ogines timers towhooks etc make theInstead STOP-LOOK-LISTEN ouro CoBill BogartWorld Champs possible takes numbers flying lets use COOL agree onlyx X1975 FF Team Managerwell fanatics have entice new bloodtime can turn have Ointo program give us future teamscorrect clip Okay have proper clip 0 CoMike Kevilles letter August issue 4expressed opinion quality eve World Champs ulti-Turn immediately off say O1977 US FAI Free Flight Team Dave Lin-mate contest flyoffs should expected about one-second interval Now LISTEN Costrum commented Mikes letter De-and planned hundreds other nobody yells Im hit turn again0 off about three-second intervalX Xcomber issue calling philosophy atti-contests year featuring FAI classes andAgain LISTENI still nobody yells aCo Otude Mikes letter almost too absurd But0 rules should keep contests theirsafe bet will shoot anybody down Co a.Daves reasoning discussing mistakes ofentrants well mind Without therethe other guy uses on/off precaution0 4 te Ed Carroll Team Finalswould no World Champs requiredthen wont get shot down eitherCo oBob o slowly FAI rules changes ff technique does take much Cois strange logic flier makes rinted Bat Sheet newslettertime after several flying sessions will beCo xmistake Finals may well make theof Strat-O-Bats Club Seattle WAsecond nature clubs have added0 osame mistake World Championships CoIf logical opposite must bemethods safety rules avoid crashes 4true eg fliers timer doesnt malfunctionAdd list until get flashing w Oat Finals likely malfunction atlights ringing bells automatic some-0 Cothe WC Balderdash logic absurdthing other will stop crashesX XWhat Mike laments others think-PROPOSAL TOHave correct ClipCo Coing about system team selectionturn On0 ahasnt developing selecting fliersREORGANIZE THE AMAturn OffU 4whohagreatest propensity potentialDick Singerthen ListenCo ove theo Coto win eventX xTonight October 24 Los AngelesPhoenix AZDo again Cool man Helpful reminder Add sign fre-Co ORams wiped up Colosseum Mm- osal offered attempt givequency clipboard label COOL CLIPS0 Co Vikings playoff last fall Vik-modeling model flying back inted Prop Wash newsletter 4ings made Rams look silly point isYouth Americathe Mercer County RC Club Trenton NJCo Othat given outing whether day orMEMBERSHIP IN NEW AMA0 CoX three flier may well poorlyany flier 1 Remove members over 18 years old XOver number contests best fliers wind2 Regular members AMA 8 18Co O0 Coup top very way we3 Associate members over 18 must V adevelop opinions best fliers aresponsored regular member B 18STAR NOVICE RC PATTERNCo have viewed Semi-finals results4 Regular members B 18 may sponsor0 Cofrom past Labor Day weekend willonly two associate members eachM Buck Peck X xhave noticed large number excellent fliersNorfolk VA Co O will going Finals-the resultAMA SPONSORED CONTESTS0 One-clay contest1 shall events regular membersPattern simply gotten too complicated 4Is boils down enough flying inassociate members open eventsfor fun said old curmudgeons such Co 2 O the team selection still seem making associate event must Novice entry point populated o Co team selection simple economic Asthree regular member eventsopen gimbels white bucks retracts now X xeven tuned pipes years tried long aswe continue manner shall ASSOCIATE MEMBER OATH order brainstorm simplistic startin g point Co destined among also-rans WC associate member adult remain no avail Only start spend much time AMA member must stimulate Tidewater RC scheduled host Co O and money sport will develop fliers least two persons year become reg- 1977 Virginia State Championships 0 X Coof World Champion statusular members 8 18 associate mem- never sat down CD Jay Jennings Xber promises sasist help newinvented Star NoviceCo Omembers become happy competent mod-0 Co aelers model fliers1 Entrant must have previously placed-u 4in sanctioned Pattern contestCo O itted modelers concerned with2 Retracts installed may used0 Coour youth future ho bby x3 Before flight entrant will line out O FF FAI RULESGO SLOWany two maneuvers choice NoviceCo Coscore sheet will neither fly nor scored Steve 4 HelmickCo After World Champs up 40Easy run turned out successfully En- 0 X flyoff event atrants lumped regular Novice XCo oover limiting performance aRAI LROAD CROSSINGgroup identified small stars o Co no flyoff way see theSTOP LOOK LISTENThe judges scorers nothing different caliberto Extra trophies funded fliers WC level simplyDick Radcliffe ohas lousy conditions eliminate max-by entry fees 0 CooutsThere reasons crashThey loved Good club fliers several X x But wonder should modify rules Most now have heard years experience previously felt outCo O with World Champs mind should seen experienced yourself type classed equipment impression points 0 Co consider guys like myself seldom crash can add avoidance gave whirl Beginners year -g 4 max-out anyway like events other guy turns fre- experience werent stigmatized label Co 0 trying improve Limit performance quency did have proper fre Competent fliers won straightforward x through rules changes watch quency clip wrong four-channel Pattern craft fun Xaverage guy desert sinking shipwere guy proper clip youexperienced competitionCo 0 Remember takes large number ofwere right guy clip CDt licensed fee try -u aentries support team financially tofeels having clip enough read noour patented Star NoviceCo 0 SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX X 82 Model Aviation Nick Sher Langhorne PA made flight 12157 mph backed up another 12149 mph claim National AMA Record Control Line Speed Open age division record set October 91977 Dayton OH Cold Cash Speed Bash put Dayton Buz zin Buzzards Model Airplane Club previ ous record 12011 mph held Robert Bradshaw established 1974 model shown several photos page mostly constructed balsa basswood used strategically cov ered K&B fiberglass cloth finished clear K&B polyester resin Its wing has span 1 3% 1-5/8 center chordsym metrical airfoil model weighed 5 oz Power came Cox TD equipped GloBee plug tuned pipe supply ing information about record setter Sher said used Cox unported sleeve Schnuerle-cut tuned pipe Cox speed pan used prop re worked Cox gray 5 x 4 fuel tank homemade suction type Single line control used through B&S torque unit model Stanzel-type Monoline handle
Edition: Model Aviation - 1978/03
Page Numbers: 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83
NE WSLET ACADEMY OF MODEL AERONAUTICS 815 FIFTEENTH STREET NW WASHINGTON DC 20005 FAI RC SOARING TEAM SELECTION PROGRAM Ray Marvin Chairman FAI RC Soaring Team Selection Pro gram underway again select US team go World Championships 1979 Plans run program essenti ally same manner previous Jim Simpson ably conducted good program resulted team went take first place individual first place team honors World Championship South Africa coming program will seeking team can repeat performance program being administered National Soaring Society restricted NSS members open AMA members aware program works procedure follows first step enter quarter-finals con test cost will $25 plus cost FAI stamp will no additional charge advance semi-finals finals process setting up contest schedule now check area see quarter-finals contest sched uled get club sponsor get AMA Contest Director club ap ply sanction schedule meet dur ing month April May June CD quarter-finals contest will provided program registration forms will able collect FAI stamps AMA membership contestant reg isters CD must check valid current AMA license FAI stamp collect $25 program entry fee fill out registration form Following quarter-finals CD will complete contest report names scores entrants regardless standing report will forwarded entry fees collect AMA Headquarters immediate ly upon completion contest Entry fees will used primarily team travel within US country World Championships apportionment AMA dues covers over-ocean travel contests will run strict accor dance FAI rules exception motorgliders excluded order ad vance semi-finals contestant must tain least 80% winning score after least three complete rounds fail first attempt may enter other quarter-finals contest try again qualify fly semi-finals may attend choose will six 10 scheduled various parts country will flown over first weekend July 1-3 follow ing weekend 8-9 contest given area may scheduled first week end second may scheduled second weekend Results semi-final contests will forwarded program chairman number contestants semi-finals contest eligible ad vance finals will determined accord ing following formula Number contests semi-finals x 36 Total number contestants semi-finals will notified eligible attend must notify finals CD plan attend Alternates will invited attend have qualified un able Finals competition will over Labor Day weekend least six rounds will flown top three fliers will com prise US team should unable attend first alternates finals will invited convention three members preceding team automatically quali fied enter finals Skip Miller Dale Nutter LeMon Payne may en ter no two quarter-finals semi-final payment entry fee However scores will used calculate else eligible advance competition site finals contest has yet de term ed will known until March 1978 World Championships will held AMA has made bid have US important thing now get team selection program squared away So want participate just follow pro cedure outlined above sure let know have scheduled quarter-finals contest have questions about program please feel free write ad dress Ray Marvin 2781 5 Garfield Denver CO 80210 names addresses Team Se lection Committee members follows may contacted information con cerning program District Dwight Holley 151 Chestnut Ridge Bethel CT 06801 District II Leon Pike RD 1 Lowman NY 14861 District Ill Dave Burt 180 5 8th St Apt 4 Indiana PA 15701 District IV Brian Foster 1757 Latonia Rd Winston Salem NC 271 07 District V Jim W Lenoir 6017 Ellington Rd NW Huntsville AL 35810 District VI John Nielsen 3744 Lake Wil mette IL 60091 District VII Warren Tiahrt 1086 Ashley Troy Ml 48098 District VIII Dale Nutter 7935 5 New Haven Tulsa OK 74136 District IX Skip Miller 655 Maxwell Ave Boulder CO 80302 District X Dave Thornburg 3635 Mt Vernon Rd Sebastopol CA 95472 District Xl Don Burt 4001 5 275th P1 Auburn WA 98002 FAI RULES CHANGES following new changed rules adopted FAI Committee Interna tional Aero Modeling ClAM its annual meeting December Paris AMA com petition purposes such new changed rules effective immediately January 11978 anticipated Control Line rules changes will applied 1978 CL World Championships Indoor Free Flight Collision Rule Reflights Add re commenced flight must flown before next official flight US proposal slightly modifiedbased principle reflights should made essentially same air conditions original flight Timing Add c time recorded mean two times registered timekeepers reduced nearest whole number seconds below resulting mean time New Beginners Class Provisional rules established based upon modified FF Subcommittee proposal class mon oplanes 460mm 1811 mum wing span 3 grams 1058 oz minimum model weight rubber motor 15 grams 0529 oz maximum rubber motor weight Microfilm covering excluded other covering material may used Only flights 60 seconds considered official steering prohibited otherwise rules same World Champion ships class Steering Authorized use 1978 Indoor World Championships new rules adopted 1975 have implementation delayed until 1979 rules shown 1976-77 AMA rule book Outdoor Free Flight Flight Procedure Starting positions line right angles prevalent wind indicated small poles respaced 7 10 meters 23-328 feet apart Fl A-2 Glider 4 5 meters 131-164 March1978 73 FAI Rules Cont feet Fl B Fl C Wakefield Rubber FAI Power A-i Towline Gliders New provisional rules approved providing maximum sur face area 18 sq din 279 sq mini mum weight 220 grams 776 oz maxi mum towline length 50 meters 164 feet five official flights having maximum flight time 120 seconds Other fact requirement timers use bi noculars World Championships appli cable A-i remaining A-2 rules also applicable A-i Note Due revi sions new National AMA Records start ed category January 1 1978 Control Line Speed Fuel Now requires 80% methanol 20% castor oil equivalent75/25 formula eliminated Diameter Control Lines clarification given minimum diameter 389mm anything over okay Line Spacing previous definition reworded expand restrictions against line linking No intentional twisting and/or linking two lines together shall per mitted point exit model control handle lines shall sep arated least 5mm 2 point exit model least 25mm 98 handle Timekeeping slight rewording ap proved provides competitor right repeat flight difference tween two times recorded greater 2/i 0th second CL Aerobatics Hand Signal Elimination US pro posal rejected 8 ii against Scoring US proposal accepted maneuver flown out sequence will scored Omitted maneuvers scored succeeding maneuvers considered sequence flown proper order relative remainder flight pat tern CL Team Racing Timekeepers Belgian proposal ac cepted replace previous paragraph 7a required two timekeepers two lap counters three timekeepers follows Three timekeepers assigned team stand outside flying circle near starting point model control charge timekeeping lap counting particular team Para graph 12b changed accordingly 1 2c referring lap counters deleted Duties Jury new paragraph has added section 13 c time penalty five seconds shall given team start ing engines before starting signal CL Combat Jury Guide Several US proposals clari fy description handle illus tration specify crepe paper streamer should have minimum weight 50 grams per sq meter referred CL Subcommittee further action Competitor following clarification added para 4 helpers maxi mum 6 other team members team manager must registered partici patingon no national team beginning competition through its close Method Scoring new item U.SSR added section 11 g whole second stay ground model shall penalized 1 point case model flyaway lines handle ground time shall com mence moment such flyaway Cancellation Flight new item sec tion 16 US Netherlands added releases controls model flight before has come complete stop landing Radio Control Aerobatics complete new set rules approved per text elsewhere issue some interesting special features Total weight now measured fuel no longer wing loading requirementonly maximum surface area Maneuvers now three groups pattern B pattern list extra maneuvers can used finals World Championships competi tion normally will two flights B patterns top 10% contestants top five whichever larger will choose 14 maneuvers among three groups fly two NEW NATIONAL RECORDS STARTED JANUARY 1 conclusion rules-change cy cle review made see what new categor ies have reached official status enabling flight performances considered National AMA Record purposes whether rules have changed other categories such flight performance potential consid ered reduced latter case also flights scored differently new rules fresh new records started effective date new rules New records thus started following flights made AMA sanctioned competition beginning January 11978 Indoor Ornithopter three age classes three ceiling heights Novice Pennyplane three age classes three ceiling heights Outdoor Free Flight Electric Power three age classes A-i Towline Glider three age classes Category Ill same events Cat II three age classes Class C FF Power three age classes Cate gories 111 Ill Class D FF Power three age classes Cate gories 111 Ill Ornithopter three age classes Categories land Ill Control Line Junior B Proto Speed Senior AA B C Speed Profile Proto B Proto Speed Open D Speed 1AA Profile Proto B Proto Speed Note 1AA Proto full fuselage event eliminated flights finals contests other World Championships fixed schedule using same maneuvers may provid ed idea simplifying Contest Direc tor judging problems eliminating pilots choice maneuvers Noise Measurement Based US ex perience 1977 World Championships Springfield OH Aerobatics Subcommit tee will restudy silencer requirements view toward simplifying improving requirements application 1979 World Championships RC Pylon Racing previous official rules changed provisional status could exper imented easilywith goal finding universally acceptable model Continued page 78 FAI ClAM TECHNICAL MEETINGS list took part 1977 annual ClAM meetings Paris reads like Whos International Model Aviation Because stature people strongly influence trends progress activity therefore im portant AMA well represented meetingsso among lead ers rather followers four basic aeromodeling tech nical meetings Parisgatherings techni cal experts countries meet ings produced recommendations 29 voting delegates per country final say FAI rules changes meet ings took part Control Line Laird Jackson USA E Rumpel W Germany M Souliac France Y Sirotkin USSR Aarts Netherlands J Magne France R Beck Hungary Free Flight P Allnutt Canada P Chausse bourg France George Xenakis USA E Krill AustriaA Oschatz E GermanyC Sundstedt Sweden Abaunza Mexico G Burford Australia Kaynes United Kingdom M Dilly New Zealand M EI-Azizi Egypt V Sreckovic Yugoslavia W Koelliker Switzer land Scale H K Ziegler Switzerland D E Thumpston United Kingdom E Sharp Can ada Y Sirotkin USSR JP Jensen Denmark Bob Wischer USA Aarts Netherlands C Sundstedt Sweden J Reggiori France Beaufils France Radio Control Chris Olsen United King dom Jean-Claude Rey France Andre Beaufils France Georghiou Charalambos Cyprus Luigi Bovo Italy Warren Hitchcox Canada Ted Sharp Canada John Clemens USA Don Lowe USA Don Mackenzie So Africa Joe Dible Ireland Jean Ganier France John Burkam USA Adam Sattler USA John Worth USA Peter Blommaart Belgium Narve Jensen Norway Ottar Stensbol Norway Jens Jensen Denmark Werner Groth W Ger Werner Koelliker Switzerland Camille Gerard Luxembourg Axel Tigerstedt Fin land Geoff Dallimar United Kingdom Note RC Committee uses separate subcommittees Aerobatics Pylon Racing Thermal Soaring Helicopters 1978 new RC subcommittee added ElectraFlight electric motor powered models 74 Model Aviation FAI RC AEROBATIC POWER MODELS F3A AS ADOPTED DECEMBER 1977 1 Definition Radio Controlled Power Model Model Aircraft aerodynamic ally maneuvered control surfaces atti tude direction altitude pilot ground using radio control 2 Prefabrication Model Permitted model aircraft assembled com petitor prefabricated parts competitor installs equipment permitted models completely pre fabricated require few minutes unskilled effort completion com plete ready-to-fly models have built person other pilot 3 General Characteristics Radio Con trolled Power Models Maximum surface area St 150 din2 2325 sq Maximum tal weight fuel 5 kg 11023 lbs Maximum swept volume motors 10 cm3 61 cu maximum noise level method measuring stated Annex 4 Number Helpers pilot allowed helper during flight Two helpers may present during starting motor 5 Number Flights competitor has right four official flights 6 Definition Attempt tempt a when pilot announces take-off maneuver b when model fails commence take-off maneuver within three minutes allowed competitor c if motor stops after pilot has nounced start take-off before model airborne may started within 3-minute period However no points will awarded subsequent take-off ma neu ver 7 Number Attempts competitor entitled attempt official flight NB An attempt can repeated discretion Jury un foreseen reason outside control competitor model fails make start ie radio interference 8 Definition Official Flight official flight attempt made what ever result 9 Marking maneuver may awarded marks between 0 10 judges during flight marks multiplied coefficient varies difficul ty maneuver Any maneuver com pleted should scored 0 maneuvers must performed plane height will allow seen clearly judges approximately 60 degrees vertical ly 90 degrees horizontally non-ob servance rule will heavily penalized loss points model opinion judges unsafe being flown unsafe manner may instruct pilot land 1OClassification See Annex 11Judging World Championships a the organizer must appoint panel least three judges flight judges shall preferably different nationalities elected list persons approved National Aero Clubs ClAM specific system employed World Championship must stated ad vance organizers must have ap proval ClAM ClAM Bureau b shall judges briefing training flights before WC 12Organization RC Aerobatic Contests transmitters contest site must checked placed compound kept under observation During contest Stewards must control transmit ter compounds will issue transmitter competitor name called make flight As soon competitor has made official flight competitor will immediately return transmitter Steward Any unauthorized transmissions during period contest will result auto matic exclusion offe,der en tire contest render him liable further penalties During flight competitor must stay proximity judges under supervision Course Steward order starting various coun tries will established means draw before start contest compatible transmitter frequencies Competitors must called least five minutes before required occupy starting area Once competitor has given per mission start may delay no longer minute before attempting start motor timer will notify competitor minute finished immediately start timing 3-minute starting time organizer must provide adequate radio monitor purpose detecting radio interference means communi cating information pilot NEW FM PA1TERN RULES AFFECT ON AMA EXPERT AND MASTER CLASSES Its too soon fully assess what effect new FAI RC Aerobatics rules will have AMA Expert Master classesbut some al ready have expressed opinion new FAI World Championships system two flights pattern two flights other pattern additional two flights top fliers third pattern will compatible typical US contests Fur thermore theres aspect RC Con test Board pre-existing FAI pattern mind voted Ex pert Class would fly FAI pattern just same Master Class fliers will go unclear written late December Among possibilities might considered ever return Expert pattern Expert Class fliers and/or creation single composite pattern both Expert Master fliers Any action RC Contest Board will reported earliest possible time 13Scliedule Maneuvers RC Aerobatic Power Models maneuvers must execu ted during uninterrupted flight order listed time model passes front judges maneuver must executed except after take-off before landing case pass may made maneuver being performed recommended pilot helper should vocally indicate judges pilot about execute maneuver competitor may make attempt maneuver during flight pilot has three minutes start motor 10 min utes complete flight 10 minutes start competitor attempts start motor NB pass made model flies over line perpendicular center judges schedule maneuvers given An nex B descriptions maneuvers Annex C ANNEX 3 Noise Measurement defined ClAM RC Subcommittee 1OClassification competitor will have four flights two Schedule two Schedule B best scores schedule will added together determine team placings top 10% first five competitors will compete fi nal determine individual winner final will consist two flights com petitor best will added previous score determine winner final schedule will chosen competi tor complete list maneuvers Only 14 different maneuvers may selected cluding take-off landing give maxi mum total score 450 points Only Figure M may included ANNEX B Schedule Ta ke-Off Double Immelmann Three Reverse Inside Loops Rolling Eight Slow Roll Top Hat Horizontal Eight Figure M /4 Rolls Three Outside Loops Three-Turn Spin Three Horizontal Rolls Landing Total x 10 ctor 2 3 2 3 3 2 5 2 2 3 290 K Factor 2 2 2 2 2 4 3 3 5 2 290 March 1978 75 Schedule B Take Off Reverse Double Immelmann Cuban Eight Three Inside Loops Straight Inverted Vertical Eight Four-Point Roll Three Reverse Outside Loops Two Rolls Opposite Directions Figure M /4 Rolls Cobra Roll Landing Total x 10 Pattern Rules Cont List Extra Maneuvers FinalsK Factor Avalanche3 Inverted Spin3 Square Horizontal Eight4 Eight-Point Roll4 Vertical Roll3 Aileron Turn3 Figure M3 Square Loop Four Rolls5 Two Snap Rolls Opposite Directions5 Reverse Knife Edge4 Inverted Top Hat4 Reverse Cuban Eight2 Reverse Point Roll4 Triangle Rolling Loop4 ANNEX C DESCRIPTIONS OF MANEUVERS maneuvers will start finish straight level flight have same altitude heading entry exit unless otherwise stated maneuvers will downgraded start finish straight level altitude heading same exit entry maneuvers have loop shall have loops same diameter similarly maneuvers have roll shall have rolls same roll rate consecutive rolls shall same alti tude Take-Off model must stand still ground motor running ing held must take off take-off run should straight model lift gently ground climb gradual angle take-off completed model approximately two meters 6% feet ground Downgrades 1 Model does stand still released 2 Changes heading during take-off climb 3 Model jumps ground 4 Retouches ground after becoming air borne 5 Too steep climb angle 6 Gallops elevation during climb 7 Wings level time Double lmmelmann Model pulls upintoa half inside loop half rolls upright flies straight level approximately second does half outside loop half rolls level flight Downgrades 1 Half loops deviate left right 2 Half rolls immediately after half loops 3 Half rolls deviate left right 4 Model pauses second fore half outside loop 5 Half loops same altitude Three Reverse Inside Loops Model half rolls level flight pauses approximately second does three consecutive side loops downward flies approximately second inverted half rolls upright loops should round superimposed Downgrades 1 Changes heading during half rolls 2 Loops round 3 Loops superimposed 4 Wings level during loops 5 Changes heading during loops Rolling Eight Model pulls upfrom level flight completes inside loop bottom exe cutes half roll makes second inside loop directly under first half rolls back level flight Downgrades 1 Loopsnotround 2 Second loop directly under first 3 Model level start finish half rolls 4 Changes heading during loops rolls 5 Wings level during loops Slow Roll Model rolls slowly through complete revolution either direction ma neuver takes approximately five seconds Downgrades 1 Changes heading 2 Changes altitude 3 Roll rate constant 4 Model does roll exactly 360 degrees 5 Roll takes less 4 6 se conds Top Hat Model pulls up vertical atti tude pauses makes half roll pauses pulls over inverted flight short period pulls down pauses makes half roll pauses re covers level flight Downgrades 1 Model vertical before starting fin ishing rolls 2 Rolls exactly 180 degrees 3 Model does fly straight level verted 4 Vertical horizontal legs same length 5 Rolls same length 6 Changes heading during maneuver Horizontal Eight Model pulls up com pletes % inside loop vertical posi tion does complete outside loop vertical position again recovers doing /4 inside loop Downgrades 1 Loops round 2 Model vertical crossover point 3 Changes heading during loops 4 Loops same diameter 5 Loops same altitude 6 Model does crossover same point Figure M Rolls Model pulls up vertical attitude executes /4 roll stall turns through 180 degrees turns again same direction first roll does out side loop vertical attitude again rolls same direction first two does verted stall turn through 180 degrees /4 rolls same direction other three recovers level flight Viewed side model executes figure M Downgrades 1 Model vertical start finish rolls stall turns 2 Stall turns 180 degrees 3 /4 rolls exactly 90 degrees 4 Bottom outside loop level en try 5 Changes heading during outside loop rolls 6 Stall turns same altitude Three Outside Loops Model pushes over executes three consecutive outside loops loops should round superimposed Downgrades 1 Loops round 2 Loops supsrimposed 3 Wings level during loops 4 Changes heading during loops Three-Turn Spin model establishes heading power reduced model held slightly nose high attitude until stalls commences spin model will autorate through three complete turns recover same heading different alti tude Downgrades 1 Entry level 2 Does make three turns less two four score zero 3 Does finish same heading 4 Wings level during recovery 5 Spiral dive scores zero Three Horizontal Rolls Model rolls uni form rate through three complete revolutions either direction maneuver takes approxi mately five seconds Downgrades 1 Changes heading during rolls 2 Changes altitude during rolls 3 Roll rate constant 4 Model does exactly three rolls 5 Maneuver takes less 4 6 seconds Reverse Double Immelmann Model pushes over executes outside loop followed immediately roll pauses approxi mately second does /2 loop immed iately rolls level flight Downgrades 1 Changes heading during /2 loops rolls 2 A rolls immediately after loops 3 Model pauses second fore inside loop 4 A loops same altitude Cuban Eight Model pulls up executes inside loop 45 degrees inverted mod el does half roll followed another inside loop again 45 degrees inverted model does another half roll recovers level flight Downgrades 1 Loops round same size 2 Model 45 degrees before commence ment rolls 3 Changes heading loops rolls 4 Rolls cross over same point Three Inside Loops Model pulls up exe cutes three consecutive loops loops should round superimposed Downgrades 1 Loopsnotround 2 Loops superimposed 3 Wings level during ioops 4 Changes heading during loops Straight Inverted Flight Model half rolls inverted flies straight level inverted minimum four seconds half rolls back level flight half rolls may either direction Downgrades 1 A rolls level 2 Inverted flight straight level 3 Changes heading during rolls verted flight 4 Inverted flight less three five seconds Vertical Eight Model pulls up executes complete inside loop bottom pushes over completes outside loop directly under inside loop Downgrades 1 Loops round same diameter 2 Changes heading during loops 3 Wings level during loops 4 Outside loop directly under inside loop Four-Point Roll Model rolls through 360 de grees hesitating 90 degree point hesitation wings parallel vertical horizon maneuver takes approximately five seconds Downgrades 1 4 rolls less 90 degress 2 Model does hesitate after roll 3 Roll rate constant 4 Roll takes less 4 6 se conds 5 Changes altitude Three Reverse Outside Loops Model half rolls inverted pauses approximately se 76 Model Aviation cond pushes up execute three consecu tive outside loops pauses approximately second half rolls level flight loops round superimposed Down grades 1 Loops round 2 Loops superimposed 3 Changes heading during loops rolls 4 Wings level during loops 5 Model pauses second fore after loops Two Rolls Opposite Directions Model rolls 360 degrees either direction immedi ately after rolls 360 degrees opposite direction rolls take approximately five se conds Downgrades 1 Changes heading 2 Changes altitude 3 Roll rate constant 4 Rolls exactly 360 degrees 5 Second roll does start immediately after first roll 6 Rolls take less 4 6 se conds Figure M V2 Rolls Model pulls up vertical attitude performs roll stall turn through 180 degrees another roll exe cutes half inverted loop followed third /2 roll second stall turn fourth roll recovering level flight rolls may direction stall turns must opposite directions Viewed side model executes figure M Downgrades 1 Model vertical start finish rolls stall turns 2 Stall turns exactly 180 degrees 3 / rolls exactly 180 degrees 4 Bottom outside loop level entry 5 Changes heading during outside loop rolls Cobra Roll Model pulls up 45 degree angle half rolls inverted attitude executes loop half rolls upright attitude re covers level flight Downgrades 1 Initial climb 45 degrees 2 Rolls 180 degrees 3 A loop 90 degrees 4 Descent 45 degrees 5 Changes heading during rolls loop Landing model flares smoothly touch ground within landing circle no bouncing changes heading rolls stop Landing maneuver will start two meters 6A feet ground Downgrades 1 Model impacts ground due lack flare 2 Model bounces after touchdown 3 Wings level 4 Changes heading 5 If model ends its back zero points 6 Model lands outside 30 meter circle 7 If undercarriage leg retracts land ing zero points Avalanche Model pulls up completes half loop top executes complete snap roll~ recovers does another half loop finish level flight Downgrades 1 Loopnotround 2 Changes heading during loop 3 Wings level during loop 4 Snap roll 360 degrees 5 Roll snap roll Inverted Spin Model establishes heading half rolls inverted power reduced model held nose high attitude until stalls commences spin model will autorotate through three complete turns recover same heading different al titude half rolls upright position Downgrades 1 A rolls level 2 A rolls 180 degrees 3 Wings level during entry exit 4 Spiral dive scores zero 5 Does finish same heading 6 Does make three turns less two four score zero Square Horizontal Eight Model pulls up executes square loop bottom third leg does complete square out side loop behind inside loop model should rotate sharply corner straight paths should least 20 meters 65A feet long Downgrades 1 Loops square 2 Vertical downward paths coincide 3 Loops same size 4 Changes heading 5 Wings level 6 Loops same altitude 7 Sides squares same size Eight-Point Roll Model rolls through 360 de grees hesitating 45-degree point wings should parallel vertical 45 de grees horizon maneuvers take ap proximately 5 seconds Downgrades 1 1/8 rolls less 45 degrees 2 Model does hesitate after 45 de grees 3 Roll rate constant 4 Roll takes less 4 6 se conds Vertical Roll Model pulls up executes 360 degree roll vertically upward pushes over finish level flight Downgrades 1 Model vertical start finish roll 2 Roll exactly 360 degrees 3 Roll vertical 4 RoIl rate constant Aileron Turn Model pushes over executes 360-degree roll vertically downward re covers finish level flight Downgrades 1 Model vertical start finish roll 2 Roll exactly 360 degrees 3 Roll vertical 4 Roll rate constant Figure M Model pulls up vertical atti tude executes 180-degree stall turn either direction does outside loop again executes stall turn opposite direction recovers level flight Downgrades 1 Model vertical before after stall turns 2 Stall turns 180 degrees 3 Climbing diving paths parallel 4 Bottom outside loop different alti tude entry 5 Altitude second stall turn different first Square Loop Rolls Model pulls up completes square loop side model executes roll Downgrades 1 Loop square 2 Rolls 180 degrees 3 Wings level during loops 4 Changes heading during rolls loops 5 Sides square equal length Two Snap Rolls Opposite Directions Model snap rolls through 360 degrees recovers immediately snap rolls opposite di rection recovers level flight Downgrades 1Rolls 360 degrees 2Rolls snap rolls 3Changes heading 4Changes altitude Reverse Cuban Eight Model pulls up 45 degree climb half rolls executes % loop half rolls inverted loops back level flight same point entry Downgrades 1 Loops round same size 2 Model 45 degrees commence ment rolls 3 Changes heading during loops rolls Reverse Top Hat Model pushes vertical downward attitude half rolls loops level inverted flight flies inverted same distance downward path loops upward vertical attitude half rolls pushes over level flight Downgrades 1 Model vertical start finish half rolls 2 Rolls exactly 180 degrees 3 Model does fly straight level verted 4 Vertical horizontal legs approxi mately same length 5 Rolls same length rate 6 Changes heading during maneuver Reverse Point Roll Model rolls through 270 degrees hesitating 90-degree point rolls 270 degrees opposite direction hesitating 90-degree point finish level flight Maneuver takes approximately 5 seconds Downgrades 1 A rolls less 90 degrees 2 Model does hesitate 90-degree point 3 Roll rate constant 4 Roll takes less 4 6 se conds Triangle Rolling Loop Model pulls up 45-degree climb holds attitude ap proximately second loops through 135 degrees does complete roll loops through 135 degrees holds attitude approxi mately second recovers level flight same point maneuver started climbing descending portions should same length Downgrades 1 Climbing descending paths 45 degrees 2 Climbing descending paths same length 3 Roll 360 degrees 4 Model changes heading during loops roll 5 Model does start finish maneu ver same point * If initial entry spin smooth spin itself jerky uncertain reason downgrading indication spin true spin spiral dive dicated its smoothness increasing air speed during spin airspeed does crease appreciably ** A snap roll auto rotation horizon tal axis plane rails very rapidly nose-high attitude plane rolls along its axis snap roll SAFE FLYING IS NO ACCIDENT March 1978 77 FAI Rules Continued page 74 specifications racing procedures noted very unusual develop ment apparently necessary due widespread disagreement about rules among countries involved Pylon Racing reversion provisional status FAI World Championships Pylon Racing will possible until printing next Sporting Code after 1979 edition probably means 1984 earliest meantime interested return World Championships status RC Pylon rules will need help develop international agreement such rules over next four years including participation international contests using FAI provisional rules either rules presently exist may modified during next few years Provi sional status allows rules open change annual basis Adam Sattler chairman RC Pylon Racing Subcommittee coordinator APPROVED DECEMBER 1977 1 Premise utmost importance model fliers observe first safety rules Any accident caused careless ness hindrance progress model aviation safety rules obstacle enjoyment model flying guidelines established prove model fliers responsible people proclaim sign intelligence show ones own skill among spectators flier may know what doing has no way knowing what anyone else will So personal benefit make certain no action part will result accident therefore very important fly model aircraft competition pres ence spectators until has proven air worthy having previously flight tested 2 Competency Safety following ficials competent apply enforce safety rules Jury - the Contest Judges - the Contest Director - the Circle Marshalls - the Timekeepers - the Processing Officials - the Leaders Organization 3 Regulations Concerning Models Parts Prohibited a metal-bladed rotors b knife-edge leading edges main tail rotor blades c non-shock-mounted radio equip ment d ballast heavy part subject jettison ing Recommended a Blade attachment single through bolt self-locking nut allows blade lead lag hits something thus prolonging blade life b model should bear sticker listing modelers name address phone num ber c Radio antenna should restrained such manner eliminate chance its entanglement moving rotating part helicopter effort revive FAI activity cat egory Anyone interested should contact Adam Sattler 80 Rand Rd Apt A-2 Schenec tady NY 12309 RC Thermal Soaring General designation F3B now applies RC Thermal Soaring Gliders F3F has added RC Slope Soaring Gliders F3G has added RC Pow ered Gliders Both F3F F3G allow two models entered model specification certificate required entries international events must bear signed affidavit entrant has complied spirit rule 13 pertaining prefabrication Attempts Official Flight Section 16 completely replaced including title following 16 Attempts Official Flight 1 Attempts task during working time allocated him competitor entitled unlimited number attempts 4 Pre-flight Checks Before flight modeler should make following checks a Be certain frequency being em ployed clear properly authorized use modeler large groups modelers fly together system identifica tion frequencies should established b Test good functioning controls engine stopped c Test good functioning controls engine running strongly rec ommended model held hand tail boom checking blade tracking control functioning trim can done model sitting ground weights landing skids desired model held overhead both skids helper should done safe distance 110 ml other people helicopters pit area d Models should run-up free hov ered test flown pit area clear area least 30 meters square e Models should flown pres ence spectators until have prop erly tested proven airworthy 5 Flight Procedures Before during flight pilot should observe following a The helicopter should carried flown taxied ready box takeoff pad b Do fly toward over spectators pit parking area such manner malfunction could cause model crash spectators c Do fly solo presence spec tators until qualified flier judged experienced helper d At sign malfunction land quickly possible 6 Flying Sites flying site should large enough provide minimum about 200 meters 100 meters clear space containing no buildings people highways b At flying sites within 5 miles 8 Kml airports models shall flown higher 400 feet permission air port operator tasks B C after release towhook after model has crossed base repeat first time flying di rection base base B no further tempt permitted b competitor entitled new working time period end round model launching cable collides another model flight person being launched strikes another launching cable Should flight continue normal manner competitor may de mand flight accepted official demand made end flight flight has judged fault judges timekeepers case unexpected event duly witnessed official judges timekeep ers flight has hindered aborted 2 Official Flight official flight last flight performed during working time Cancellation Flight Disqualification Paragraph modified call annul ling flight competitor used model line launching device conforming FAI rules new paragraph e added case hand pulley towing launching device except launching cable must thrown competitor under penalty cancellation flight Distance Task new rules adopted December 1976 FAI applicability 1979 providing man-on-man concept distance task rescinded move re duce element luck rule 24b mod ified allow scoring up maximum 12 laps simplify course layout well scoring course rule 24e divided four fractions instead 10 previous Organization Starts Add 18 separate draw shall held round Organization Contests Add 19 No sighting apparatus should placed within minimum distance 3 meters limits thf course Alternating Tasks new rule increases importance duration task relative distance speed 21i amend combination read combina tion Task other task constitutes round minimum 2 rounds must flown tasks B C alternating round Any single round . Rule 27 modified accordingly round total score complied adding partial score either B C competitor Speed Task Change 25a 4 minutes 5 motorgllders completion task Under 22 Launching paragraph f added speed task flight annulled model crosses line during its timed flight Motorgliders Rule 21ii changed read organizer can establish whether radio controlled gliders Auxiliary Power RC Motorgilder enter same contest unpowered gliders have separate classifi cation system classification must announced propositions con test Classification Paragraphs b c 28 eliminatedreplaced results achieved competitor rounds will determine position final classifica tion order decide winner tie task C speed repeated 78 Model Aviation FAI SAFETY CODE FOR RC HELICOPTERS RC Helicopters current ruies CN section April 1977 issue remain provisional blended RC Helicopter Subcommittee rules changes proposed West Germany presented December 1978 ClAM meeting approval new combination meantime approved change current K-factors through di viding 5so 15 10 S become 3 2 1 Also new Safety Code RC Heli copters approved see elsewhere sue RC Electroflight new set provisional rules approved replace previously effect new rules have tested European competi tion 1977 considered prac tical improvement over previous provision al rules new provisional rules else issue Scale RC Maximum Weight Rule 31 changed 5 kg 11 lbs 6 kg 13 lbs 36 ozs fuel including dum pilot Definition Scale Models further de fine permissible models agreed change 11 such aircraft has air borne acceptable subject meaning designs built never flown acceptable RC Quality Landing landing circle used rule 3712 25 meters 49 diameter factor K9 landing within circle factor K4 land ing outside circle Judging Agreement judges Guide General following sentence de leted because impracticality applied maneuvers desirable principle judges conferring agree realism flight scoring applied flight maneuvers order avoid large dis crepancies between individual judges marks Future Rules changes FAI Scale Rules will frozen until end 1982 except ratio between subheadings sta tic scoring complexity headings may changed provided total K-factors section changed Static Judging Points Rule 15 previously said fractions tenths point could used tenths now has deleted Proof Scale Add 94b Color drawings authentic sources eg Pro file type publications including three views acceptable proof color mark ings Also proof tbe cruising speed must supplied Judging Fidelity Scale crafts manship Separate judging fidelity scale craftsmanship complexity have elim inated Instead approved modify 110 follows provide combined scoring fi delity scale craftsmanship com plexity bonus handled separately Fidelity Scale craftsmanship 1 Fuselage 2 Wing equivalent 3 Tail surface equivalent empennage 4 Landing gear 5 Propulsion units 6 Cockpit cabin detail 7 Finish color markings pecial ingenuity complexity Bonus new section has added heading following rules order compensate models com plex prototypes inherent disadvan tages flight following bonuses shall awarded form percentage total flight score Wings Monoplane Biplane single bay Biplane double bay lane Quadruplane Engines Single Twin Engines Three Engines Four Engines Above four Undercarriage Fixed tricycle0 Fixed conventional bicycle monowheel5 Retractable tricycle Retractable conventional General Pre-1914 design10 Notes order qualify multiple engine bonus power ratio engines must per prototype engines must operate Judges shall decide upon appropriate percent bonuses applied flight score model during static scoring procedure Other paragraphs rules necessary revised accommodate combined scoring fidelity scale workmanship judging separate application complexity bonus Realism Flight CL RC 272 3710 following footnote has added scale model cruis ing speed prototype must stated flight scoring form Discrepancies Documentation Add judges Guide discrepancy measurements due scaling up drawing stated basic dimensions should prevail discrepancy between drawings stated basic dimen sions latter should prevail Measurement Tolerances Judges Guide tolerances 03% measurement fuselage wing have eliminated RC Taxi Present 371a has elimi nated replaced three sub-paragraphs according landing gear type follows aa Models aircraft using two-wheel landing gear tail skid two-wheel gear non-steerable tail wheel other gear config urations allowing steering will taxi ward wind distance up 15m slow down near stop stop come airborne realistic manner ab Models aircraft using two-wheel landing gear steerable tail wheel will taxi forward wind downwind contestant prefers distance up 1 Sm K1 0 using 5 turn visibility taxiing procedure slow down near stop stop depending K9on whether prototype equipped K9with brakes become airborne - K8realistic manner odels aircraft equipped K1 1steerable tricycle landing gear will taxi down- -K4wind least 1 Sm stop turn least 120 de grees wind become airborne realistic manner Errors Model does stand still unassist ed before commencirg taxi Model does follow prescribed course Model does halt before taking off prototype brakes Model taxies too fast Model does taxi manner prototype % Bonus Downgrading Ready-Made compo 0 nents Craftsmanship Judging last sen tence changed read marks 10 other commercial items should graded least 50% unless has 20been considerable degree reworking FF Scale rules provi sional since 1971without evidence in0 ternational use have dropped New rules 10 may proposed time future 15 RC Scale Gliders As per F F Scale 20 provisional rules have used 25 internationally since adopted 1972 have dropped World Records RC Glider Speed Straight-Line course 10 Special conditions RC Gliders have 10 eliminated future RC Gliders must use same base altitude require ments RC Power models primary pur pose lengthen RC Glider base has become especially important due high speeds being attained Automatic Timing speed records straight line following new rule has added speeds above 300 km/hr 1864 mph manual actuation timing devices permitted Only automatic means tim ing eliminate human error factor permitted must certified accurate within 1/100 second c closed course Speed Records Ap proved new record categories Power models Gliders separately per fol lowing rules Base course consists square de fined four prominently colored pylons poles set 200m 6562 apart 90-degree angle other situated flat land land minimum fall exceed 1 meter 200m within 1 km course An upright pole 20 meters 657 cor ner square extension line drawn between two pylons side square will establish Starting/Finish Line Four judges will situated immediately under pylon will raise red flag signal lights model infringes side space bounded poles Note essential accurate speed measurement poles absolutely ver tical order prevent course length differ ence altitude RC Gliders must free launching cable specified 725 prior crossing Start/Finish Line Models land prior completion four legs course intrude forbidden airspace except after timing completed disqualified flight void no altitude restric tion prohibition against circling thermals outside course Timing begins model crosses Start/Finish Line ends model completes course again crosses Start/Finish Line still airborne intermediate landing within 30 minutes launch Availability Record Data ClAM voted unanimously recommendation CASI March 1978 79 FAI Rules Cont appropriate high FAI authority photocopies record dossiers available upon request national aero club fee cost plus 10% World Championships 1978 Control Line Speed Team Race Aeroba tics Combat plus Control Line Radio Control Scale approved August 4-10 Woodvale England near Liverpool Indoor bid Romania ac cepted because required guarantee FM South Africa allowed participate condition allowed However ClAM president empowered see condition would removedon assurance South African delegate no team country would partici pate matter left hanging ClAM president advise countries end January whether Romanla some other country would host event Note press time both England US considering possibility offering host neither good position Spacemodels model rockets Bulgaria approved host early Septem ber probable date 1979 RC Aerobatics Approved South Africa probably September Note An expected offer Mexico did materialize dele gate Mexico present no information regarding offer host RC Soaring Offers US Bel gium noted Both countries sub mit firm details offers ClAM Bureau officers meeting Paris March 31 Bureau will decide offer will prevail AMA currently working National Soaring Society SOAR group Chicago view toward holding event city Free Flight firm offer Yugoslavia approved site European Championships held end May early June Note site said five kilometers square 1980 Control Line Speed Team Race Aeroba tics Combat firm offer Belgium approved Radio Control Control Line Scale firm offer Canada approved held Ottawa RC ELECTRO-POWERED MODELS F3E PROVISIONALAS ADOPTED DECEMBER 1977 Definition RC Electro-Powered Models Model aircraft lift generated aerodynamic forces acting surfaces remain ing fixed during flight except control sur faces performs maneuvers con trolled pilot ground using radio control connection propulsion model effected fixed foldable propel lers driven electric motor can regulated during flight power-pack electric motor must have fixed connection ground another model air Recharging power-pack solarcells permitted during flight Prefabrication Model Permitted plane assembled builder prefabricated parts builder installs equipment Permitted Models com pletely prefabricated require few minutes unskilled efforts completion complete ready-to-fly models have built person other pilot General Characteristics RC Electro-Powered Models Maximum surface area 150 sq dm 2325 sq Maximum total weight 5 kg 11 lbs Maximum loading 75 gr/sq dm 2457 oz/sq ft Minimum loading 12 gr/sq dm 395 oz/sq ft Number Helpers pilot permitted helper Number Flights competitor class has right three official flights two best flights shall counted Take-Off Take-off must executed either two manners described hereafter change type take-off during contest may allowed contest director whole round Take-off ground hand-launchingWhen hand-launching competitor helper have ground hand-launch model use starting devices Definition Attempt attempt a the pilot announces take-off b model taxies case take-off ground c pilot releases model case hand-launching dl model fails start within five minutes allowed Number Attempts competitor al lowed attempt official flight Exceptions An attempt may re peated organizers judges discretion reason outside control competitor organizer model unable take-off Definition Official Flight official flight attempt made what ever result repetition official flight permitted take-off possible possible due time safety reasons b competitorit has proved cannot perform flight due outside inter ference no scoring made reasons outside control competitor such cases take-off may repeated im mediately after fruitless attempt take off after personal report contest manager during same round out round Marking maneuver round will awarded points Scoring flights starts model released case hand-launch ing b model starts taxi ground Scoring flights ends a model fails start within allowed time b model touches ground ob struction connected ground c lettisoning occurs dl official flight completed No scoring will made following rea sons a when model used already anoth er competitor same contest model accordance general rules characteristics class b model started permission wrong starting sequence c competitor fails return transmit ter flight completed case un authorized use transmitter during flights dl pilot fails release model starting point employs two helpers e pick up transmitter before second call made commencing take-off before called fI entering starting area before second call made switching transmitter before nouncement gI pilot fails take-off within allowed time three minutes officially called hI repetition start permission I starting manner allowed particular category ii hand-launching effected ground using take-off devices k pilot moves away take-off area does operate transmitter himself I model leaves flying space maneuvers cannotbe seen judges Classification final classification will determined aggregate sum two best flights case tie first place final result will established fly-off Any fly-off must take place within hour normal finishing time contest No attempts permitted results fly-off shall count establishment title such World Champion prizes awarded Judging a The organizer must appoint panel least three judges official flight judges shall preferably different na tionalities elected list per sons approved National Aero Clubs ClAM rotation system equivalent system may used provided judge will score contestant equal number times specific system employed World Championship must stated ad vance organizers must have prior approval ClAM ClAM Bureau b There shall training flights judges briefing before after held immediately before World Cham pionship Organization RC Electro-Flight Contests transmitters used contest must checked placed compound kept under observation During con test steward must control trans mitter compound will issue transmit ter competitor name called standby flight As soon attempt has ended competitor must im mediately return transmitter steward transmitter compound unauthor ized transmissions during contest will re sult automatic disqualification offen der entire contest render him li able further penalties order starting 80 Model Aviation no scoring 2 various countries competitors will established means draw before start contest Competitors must called least five minutes before required occupy starting area organizer must provide radio-monitor purpose detecting possible interferences Suggested Schedule Maneuvers F3E Spe cial Out 14 maneuvers listed below six must chosen flown competitor sequence maneuvers has laid down writing valid rounds Take-off ground permitted scoring provided another maneuver replacing schedule has completed within time max 5 minutes counting se cond official call Maneuvers 0Hand-launching 1Take-off ground 2Two inside loops 3Two outside loops3 4Double lmmelmann2 5Turn1 6Spinthree turns2 7Cuban Eight3 8Running Eight starting down ight starting middle2 10Three horizontal rolls2 11 Four-point roll3 12SIQw roll mm 4 sec3 13 Approach rectangular four legs aLanding 30 m circle1 14bLanding 15 m circle2 Suggested Schedule Maneuvers F3E Junior Models two axes radio control steering Engine running radio-controlled Landing aids schedule has completed within time 5 minutes counting second official call After launching hand following ma neuvers have flown given order Coefficient Maneuvers 1Two outside loops3 2Turn2 3Inverted flight starting ending Ia loop2 4Spintwo turns2 5Approach2 6a Landing 3Gm circle1 6b Landing 15 m circle2 Schedule Maneuvers Electro-Motorgliders two turnlines distance 150 meters middle distance shall gate Gate two poles 3 m high dis tance 20 m turnline shall timekeeper flagman model running engine handlaunched Time release taken timekeeper first task pilot has total flight-time 200 sec has decide much will use climb much gliding competitor has shut tle between two turnlines often pos sible gliding turnilnes have over flown time full leg com petitor given 10 points Restarting en gine before expiration 200 sec termi nates scoring does expiration 200 sec After task competitor has fly again through gate soon possible passing gate timekeeper No 2 takes time flying through gate proper altitude means between two poles lower top 10 points grant ed After passage through gate climb starts delay Now total time climb gliding will 300 sec Again up competitor decide much time will use climb much gliding second gliding time competi tor given point second over 300 sec total flight time point shall deducted important gliding time taken motor cut gliding time ends motor restarted Lee Hines Costa Mesa CA holds own design Ulti max A-2 Towline Glider set Open age class national record December 18 1976 rec ord still stands 53 Coefficient minutes 46 seconds comprised 12 maxes last five progressively aeasing times increments minute 13th flight 148 seconds record set Elsinore CA Record Trials organ ized Sky Hoppers Orange County very super special dayforfly ing Free Flight Hines said Ultimax features wing 15181 aspect-ratio CH-407 airfoil modified per Crowley/Klintworth undercambered stab airfoil 7% thickness Covered Japanese tissue model also Seelig de thermalizer timer Czech cir cle tow hook NFFS fiber glass tail boom CONTEST COORDINATORS I Pad L Penney S Chalorta AndOne, MA 01810 II R SobrinO 87-26 88th St. Woodlsanen Oseens NY 11421 Bc Bryan Sattlar 29 Waldorf P1. Schesecnfdy NY 12307 5c Frei Rlackborn6 Bloe8psoce Ln Cotsnack LINY 1172S III Ken Raber Rd 1 Naaareth PA 18064 lEash M Wesanbach 4585 W 148s1s St. cleneland OH 44135 West Rc J Slaver 809 Forest Rose Ave. Lonter OH 43130 West V Warren sanders Jr 9735 52nd Ave College Pk MO 20741 Sc J Lawrence 12538 Ffoodstock Dr. upees Marlboro MD 20870 V Sen Cleveland 708 Coontry dab Tollatonsa TN 37388 RC J Oasis Jr18135 Lakeshore eirsnngnaatAL35216 RC Ctsarlene Fields 818 Main St Ness Ellisoton sc 29809 FREE FLIGHT CONTEST BOARD I Henry Strock RFD No2 Hat4ssg Old Lysno CT 06371 II Carrel Alvin 2Araona R Hontngson sta NY 11746 Ill Rody Klcibar 2021 Lakeland Are. Lakewood OH 44107 IV joe 8oy1e J. 218 Slsanedosh Rd. Hampton VA 22361 V Sooty Jonkios 3112 East Raises Rd. Marnpnis TN 38118 VI Chris Massono 10132 Oooglass Ct. 55 Ann MO 63074 VII Phil KIntwosth Jr. 715 Rosters Rd. Rocnestes Ml 48063 VIII Mark Valascs 23132 Poeseran Dr Honstot TX 77055 IX Edward ColIos 4318 6 Utah FV Denver CD 80222 X Joe Nontross 4836 Wee 123rd St. Hawthorne CA 90250 XI Ernie Linn 16858 121 Ate SE Rattan WA 88096 CONTROL LINE CONTEST BOARD George rlggrls P0 Boo 482 North Pembroke MA 02358 II 811 Sots 7706269th St Ness Hyde Park NY 110413 Ill Lairn Jackson 523 Meadtssbrook St Davids PA 19087 IV Rae McNIIy 6118 8da As. SisrngdiM VA 22152 V Date Hernstracght D 80 171 Motcha Corner SC 29461 VI Sob SoreS 132 Rocklord Apt 12 Porest Park IL 80130 VII Jantss Sinton 4941 Wisconsin Ave N Now Hope MN 55429 VIII Charles Atatton 3730 Kiesnorest Dallas Tx 78233 IX Michael Tallmen 3014 Sochenge Wichita KS 67217 X Pate Srandt 405 21st St. Manhattan Stack CA 90286 Xl Dan Ratherford 4706 227th P1 55. Bothall WA 98011 pull However motor may re versed after announcement Landing ap proach landing included glid ing time Having announced landing ap proach pilot may use landing aid Landing 30 m circle Coefficient m circle tal flight time ends model touches ground program aims development models good rate descent min imum speed relatively high rate climb power-flight VI Kit DeWant 3930W Jettersot Kokosno IN 46901 BC Ralph White R R 1 Boo 324 Neoga IL 62447 VII John Evert 421 Walnot Ln Apple Valley MN 55124 West Wesley Slave 1213 Wall St. Port Horon Ml 48060 East VIII John Deaton 5012 Royal Or. Ft Worth TX 76116 BC Larry Stanfitld 301 Wilson St Crossley TX 78036 IX JantesT Fitiey6540 6 Central Wioltita KS 87206 BC Robert Arnntt 2009 Keasas Great Bend KS 87530 X Myrtle Coad Rt Boo 19 Losses Lake CA 85457 Northl Lee POlotkh 258 nt Ave. Dolana CA 93017 Sooth XI Don Dodd 3409 Baltidere Ava. SW Seethe WA 98126 Rc Donald Miller 3436 S 263rd St. Kent WA 58031 RC Pylon & Soaring Rd Pattern sod tnher RC RC Soaring attern Pylon & other RC RADIO CONTROL CONTEST BOARD I Does AIlsed 38 Sosnsst Rd LeninStan MA 02173 I Joe Frend 62 Joysan Tens PraehOld NJ 07093 III Dave Bsossn 8534 Haddlestos Cincinnati OH 46236 IV Fred M Gregg 12709 RichssOfld St Osestas VA 23821 V Rhert Miller Sr 3035 Lakeshore Os. Tallahassee FL 22302 VI hoE Underwood 4109 Coescord Oaks Dr. S Lons MD 83128 VII Peter Waters 31219 Kendtll Unonia MI 48154 VIII Davd Hyde 2026 Snossssass Lt Garlatd TX 75042 IX Loren Tregellas 3002 S Everett Withta KS 67217 x Bill Neetheop Ie. 621W lkh St Cost Mm CA 80627 Xl Ralph Brooke 3431 5 194th Seartle WA 98188 SCALE CONTEST BOARD I Richard Sharesas 406 River Rd. Tessktbory MA 01876 II Robert Gossens 55 Snoressay Dr. Rochester NY 14012 III Edward Wissar 1521 Sosssst St MoKeasport PA 15130 IV Bob KarIsson 2643 Marsh Rd. Wilssiogton 05 19810 V Daoid PIart 6540 NW 15th Ft Laaclasdale PL 33313 VI Prank Seatty 2605 Pontoon Rd. Granite City IL 604O VII Ossad MeCalloagls Boa 40 Mentacees IA 80171 VIII Johnty Casborn Boc 8029 Ft Worth TX 76112 IX Dean Copaland 7817 Seward St. Osnana NE 68114 X Fraal Capan 251 Coatino de las Florne Encinitas CA 93024 XI Earle Moorhead 2750 View P1 5 Salem DR 87302 cONTEST BOARD COORDINATOR Don Lindley 420 Tapala FJpanill IL 60640 March 1978 81 DIRECTORY Bold Peos 610w IndIcate Otaictean Contat Board X SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX 0 Competition News will present time time constructive thought-provoking ideas further However feel being criticisms AMA rules policies affect competitors issue has two sides CNright just enough hobby where0 Owill endeavor print viewpoints have submittedwithin limits availableanyone times wrong read onX Co waco uniqueness constructiveness timeliness good taste Determination appropri- y railroad-highway intersections have Xateness publication of matters must necessity rest solely publisher O ght presented author should necessarily construed asflashing lights bells automatic gates yes-0 AMA HO AMA officers publisher should note publication terday stood sign read RAIL- -u 4rules-change policy-change idea does necessarily mean specific proposal has beenROAD CROSSINGSTOP LOOK LISTENCo O presented Contest Board Executive Council appropriate committee such action stop could see up down 0 Co responsibility author anyone else interested obtaining official action tracks could see up down X Xtracks would have Co 0 0tracks tracks wrong place Co 4THE BEST F F TEAMsupport manufacturers make en- Before get tracks LISTENIu Ogines timers towhooks etc make theInstead STOP-LOOK-LISTEN ouro CoBill BogartWorld Champs possible takes numbers flying lets use COOL agree onlyx X1975 FF Team Managerwell fanatics have entice new bloodtime can turn have Ointo program give us future teamscorrect clip Okay have proper clip 0 CoMike Kevilles letter August issue 4expressed opinion quality eve World Champs ulti-Turn immediately off say O1977 US FAI Free Flight Team Dave Lin-mate contest flyoffs should expected about one-second interval Now LISTEN Costrum commented Mikes letter De-and planned hundreds other nobody yells Im hit turn again0 off about three-second intervalX Xcomber issue calling philosophy atti-contests year featuring FAI classes andAgain LISTENI still nobody yells aCo Otude Mikes letter almost too absurd But0 rules should keep contests theirsafe bet will shoot anybody down Co a.Daves reasoning discussing mistakes ofentrants well mind Without therethe other guy uses on/off precaution0 4 te Ed Carroll Team Finalswould no World Champs requiredthen wont get shot down eitherCo oBob o slowly FAI rules changes ff technique does take much Cois strange logic flier makes rinted Bat Sheet newslettertime after several flying sessions will beCo xmistake Finals may well make theof Strat-O-Bats Club Seattle WAsecond nature clubs have added0 osame mistake World Championships CoIf logical opposite must bemethods safety rules avoid crashes 4true eg fliers timer doesnt malfunctionAdd list until get flashing w Oat Finals likely malfunction atlights ringing bells automatic some-0 Cothe WC Balderdash logic absurdthing other will stop crashesX XWhat Mike laments others think-PROPOSAL TOHave correct ClipCo Coing about system team selectionturn On0 ahasnt developing selecting fliersREORGANIZE THE AMAturn OffU 4whohagreatest propensity potentialDick Singerthen ListenCo ove theo Coto win eventX xTonight October 24 Los AngelesPhoenix AZDo again Cool man Helpful reminder Add sign fre-Co ORams wiped up Colosseum Mm- osal offered attempt givequency clipboard label COOL CLIPS0 Co Vikings playoff last fall Vik-modeling model flying back inted Prop Wash newsletter 4ings made Rams look silly point isYouth Americathe Mercer County RC Club Trenton NJCo Othat given outing whether day orMEMBERSHIP IN NEW AMA0 CoX three flier may well poorlyany flier 1 Remove members over 18 years old XOver number contests best fliers wind2 Regular members AMA 8 18Co O0 Coup top very way we3 Associate members over 18 must V adevelop opinions best fliers aresponsored regular member B 18STAR NOVICE RC PATTERNCo have viewed Semi-finals results4 Regular members B 18 may sponsor0 Cofrom past Labor Day weekend willonly two associate members eachM Buck Peck X xhave noticed large number excellent fliersNorfolk VA Co O will going Finals-the resultAMA SPONSORED CONTESTS0 One-clay contest1 shall events regular membersPattern simply gotten too complicated 4Is boils down enough flying inassociate members open eventsfor fun said old curmudgeons such Co 2 O the team selection still seem making associate event must Novice entry point populated o Co team selection simple economic Asthree regular member eventsopen gimbels white bucks retracts now X xeven tuned pipes years tried long aswe continue manner shall ASSOCIATE MEMBER OATH order brainstorm simplistic startin g point Co destined among also-rans WC associate member adult remain no avail Only start spend much time AMA member must stimulate Tidewater RC scheduled host Co O and money sport will develop fliers least two persons year become reg- 1977 Virginia State Championships 0 X Coof World Champion statusular members 8 18 associate mem- never sat down CD Jay Jennings Xber promises sasist help newinvented Star NoviceCo Omembers become happy competent mod-0 Co aelers model fliers1 Entrant must have previously placed-u 4in sanctioned Pattern contestCo O itted modelers concerned with2 Retracts installed may used0 Coour youth future ho bby x3 Before flight entrant will line out O FF FAI RULESGO SLOWany two maneuvers choice NoviceCo Coscore sheet will neither fly nor scored Steve 4 HelmickCo After World Champs up 40Easy run turned out successfully En- 0 X flyoff event atrants lumped regular Novice XCo oover limiting performance aRAI LROAD CROSSINGgroup identified small stars o Co no flyoff way see theSTOP LOOK LISTENThe judges scorers nothing different caliberto Extra trophies funded fliers WC level simplyDick Radcliffe ohas lousy conditions eliminate max-by entry fees 0 CooutsThere reasons crashThey loved Good club fliers several X x But wonder should modify rules Most now have heard years experience previously felt outCo O with World Champs mind should seen experienced yourself type classed equipment impression points 0 Co consider guys like myself seldom crash can add avoidance gave whirl Beginners year -g 4 max-out anyway like events other guy turns fre- experience werent stigmatized label Co 0 trying improve Limit performance quency did have proper fre Competent fliers won straightforward x through rules changes watch quency clip wrong four-channel Pattern craft fun Xaverage guy desert sinking shipwere guy proper clip youexperienced competitionCo 0 Remember takes large number ofwere right guy clip CDt licensed fee try -u aentries support team financially tofeels having clip enough read noour patented Star NoviceCo 0 SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX X 82 Model Aviation Nick Sher Langhorne PA made flight 12157 mph backed up another 12149 mph claim National AMA Record Control Line Speed Open age division record set October 91977 Dayton OH Cold Cash Speed Bash put Dayton Buz zin Buzzards Model Airplane Club previ ous record 12011 mph held Robert Bradshaw established 1974 model shown several photos page mostly constructed balsa basswood used strategically cov ered K&B fiberglass cloth finished clear K&B polyester resin Its wing has span 1 3% 1-5/8 center chordsym metrical airfoil model weighed 5 oz Power came Cox TD equipped GloBee plug tuned pipe supply ing information about record setter Sher said used Cox unported sleeve Schnuerle-cut tuned pipe Cox speed pan used prop re worked Cox gray 5 x 4 fuel tank homemade suction type Single line control used through B&S torque unit model Stanzel-type Monoline handle
Edition: Model Aviation - 1978/03
Page Numbers: 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83
NE WSLET ACADEMY OF MODEL AERONAUTICS 815 FIFTEENTH STREET NW WASHINGTON DC 20005 FAI RC SOARING TEAM SELECTION PROGRAM Ray Marvin Chairman FAI RC Soaring Team Selection Pro gram underway again select US team go World Championships 1979 Plans run program essenti ally same manner previous Jim Simpson ably conducted good program resulted team went take first place individual first place team honors World Championship South Africa coming program will seeking team can repeat performance program being administered National Soaring Society restricted NSS members open AMA members aware program works procedure follows first step enter quarter-finals con test cost will $25 plus cost FAI stamp will no additional charge advance semi-finals finals process setting up contest schedule now check area see quarter-finals contest sched uled get club sponsor get AMA Contest Director club ap ply sanction schedule meet dur ing month April May June CD quarter-finals contest will provided program registration forms will able collect FAI stamps AMA membership contestant reg isters CD must check valid current AMA license FAI stamp collect $25 program entry fee fill out registration form Following quarter-finals CD will complete contest report names scores entrants regardless standing report will forwarded entry fees collect AMA Headquarters immediate ly upon completion contest Entry fees will used primarily team travel within US country World Championships apportionment AMA dues covers over-ocean travel contests will run strict accor dance FAI rules exception motorgliders excluded order ad vance semi-finals contestant must tain least 80% winning score after least three complete rounds fail first attempt may enter other quarter-finals contest try again qualify fly semi-finals may attend choose will six 10 scheduled various parts country will flown over first weekend July 1-3 follow ing weekend 8-9 contest given area may scheduled first week end second may scheduled second weekend Results semi-final contests will forwarded program chairman number contestants semi-finals contest eligible ad vance finals will determined accord ing following formula Number contests semi-finals x 36 Total number contestants semi-finals will notified eligible attend must notify finals CD plan attend Alternates will invited attend have qualified un able Finals competition will over Labor Day weekend least six rounds will flown top three fliers will com prise US team should unable attend first alternates finals will invited convention three members preceding team automatically quali fied enter finals Skip Miller Dale Nutter LeMon Payne may en ter no two quarter-finals semi-final payment entry fee However scores will used calculate else eligible advance competition site finals contest has yet de term ed will known until March 1978 World Championships will held AMA has made bid have US important thing now get team selection program squared away So want participate just follow pro cedure outlined above sure let know have scheduled quarter-finals contest have questions about program please feel free write ad dress Ray Marvin 2781 5 Garfield Denver CO 80210 names addresses Team Se lection Committee members follows may contacted information con cerning program District Dwight Holley 151 Chestnut Ridge Bethel CT 06801 District II Leon Pike RD 1 Lowman NY 14861 District Ill Dave Burt 180 5 8th St Apt 4 Indiana PA 15701 District IV Brian Foster 1757 Latonia Rd Winston Salem NC 271 07 District V Jim W Lenoir 6017 Ellington Rd NW Huntsville AL 35810 District VI John Nielsen 3744 Lake Wil mette IL 60091 District VII Warren Tiahrt 1086 Ashley Troy Ml 48098 District VIII Dale Nutter 7935 5 New Haven Tulsa OK 74136 District IX Skip Miller 655 Maxwell Ave Boulder CO 80302 District X Dave Thornburg 3635 Mt Vernon Rd Sebastopol CA 95472 District Xl Don Burt 4001 5 275th P1 Auburn WA 98002 FAI RULES CHANGES following new changed rules adopted FAI Committee Interna tional Aero Modeling ClAM its annual meeting December Paris AMA com petition purposes such new changed rules effective immediately January 11978 anticipated Control Line rules changes will applied 1978 CL World Championships Indoor Free Flight Collision Rule Reflights Add re commenced flight must flown before next official flight US proposal slightly modifiedbased principle reflights should made essentially same air conditions original flight Timing Add c time recorded mean two times registered timekeepers reduced nearest whole number seconds below resulting mean time New Beginners Class Provisional rules established based upon modified FF Subcommittee proposal class mon oplanes 460mm 1811 mum wing span 3 grams 1058 oz minimum model weight rubber motor 15 grams 0529 oz maximum rubber motor weight Microfilm covering excluded other covering material may used Only flights 60 seconds considered official steering prohibited otherwise rules same World Champion ships class Steering Authorized use 1978 Indoor World Championships new rules adopted 1975 have implementation delayed until 1979 rules shown 1976-77 AMA rule book Outdoor Free Flight Flight Procedure Starting positions line right angles prevalent wind indicated small poles respaced 7 10 meters 23-328 feet apart Fl A-2 Glider 4 5 meters 131-164 March1978 73 FAI Rules Cont feet Fl B Fl C Wakefield Rubber FAI Power A-i Towline Gliders New provisional rules approved providing maximum sur face area 18 sq din 279 sq mini mum weight 220 grams 776 oz maxi mum towline length 50 meters 164 feet five official flights having maximum flight time 120 seconds Other fact requirement timers use bi noculars World Championships appli cable A-i remaining A-2 rules also applicable A-i Note Due revi sions new National AMA Records start ed category January 1 1978 Control Line Speed Fuel Now requires 80% methanol 20% castor oil equivalent75/25 formula eliminated Diameter Control Lines clarification given minimum diameter 389mm anything over okay Line Spacing previous definition reworded expand restrictions against line linking No intentional twisting and/or linking two lines together shall per mitted point exit model control handle lines shall sep arated least 5mm 2 point exit model least 25mm 98 handle Timekeeping slight rewording ap proved provides competitor right repeat flight difference tween two times recorded greater 2/i 0th second CL Aerobatics Hand Signal Elimination US pro posal rejected 8 ii against Scoring US proposal accepted maneuver flown out sequence will scored Omitted maneuvers scored succeeding maneuvers considered sequence flown proper order relative remainder flight pat tern CL Team Racing Timekeepers Belgian proposal ac cepted replace previous paragraph 7a required two timekeepers two lap counters three timekeepers follows Three timekeepers assigned team stand outside flying circle near starting point model control charge timekeeping lap counting particular team Para graph 12b changed accordingly 1 2c referring lap counters deleted Duties Jury new paragraph has added section 13 c time penalty five seconds shall given team start ing engines before starting signal CL Combat Jury Guide Several US proposals clari fy description handle illus tration specify crepe paper streamer should have minimum weight 50 grams per sq meter referred CL Subcommittee further action Competitor following clarification added para 4 helpers maxi mum 6 other team members team manager must registered partici patingon no national team beginning competition through its close Method Scoring new item U.SSR added section 11 g whole second stay ground model shall penalized 1 point case model flyaway lines handle ground time shall com mence moment such flyaway Cancellation Flight new item sec tion 16 US Netherlands added releases controls model flight before has come complete stop landing Radio Control Aerobatics complete new set rules approved per text elsewhere issue some interesting special features Total weight now measured fuel no longer wing loading requirementonly maximum surface area Maneuvers now three groups pattern B pattern list extra maneuvers can used finals World Championships competi tion normally will two flights B patterns top 10% contestants top five whichever larger will choose 14 maneuvers among three groups fly two NEW NATIONAL RECORDS STARTED JANUARY 1 conclusion rules-change cy cle review made see what new categor ies have reached official status enabling flight performances considered National AMA Record purposes whether rules have changed other categories such flight performance potential consid ered reduced latter case also flights scored differently new rules fresh new records started effective date new rules New records thus started following flights made AMA sanctioned competition beginning January 11978 Indoor Ornithopter three age classes three ceiling heights Novice Pennyplane three age classes three ceiling heights Outdoor Free Flight Electric Power three age classes A-i Towline Glider three age classes Category Ill same events Cat II three age classes Class C FF Power three age classes Cate gories 111 Ill Class D FF Power three age classes Cate gories 111 Ill Ornithopter three age classes Categories land Ill Control Line Junior B Proto Speed Senior AA B C Speed Profile Proto B Proto Speed Open D Speed 1AA Profile Proto B Proto Speed Note 1AA Proto full fuselage event eliminated flights finals contests other World Championships fixed schedule using same maneuvers may provid ed idea simplifying Contest Direc tor judging problems eliminating pilots choice maneuvers Noise Measurement Based US ex perience 1977 World Championships Springfield OH Aerobatics Subcommit tee will restudy silencer requirements view toward simplifying improving requirements application 1979 World Championships RC Pylon Racing previous official rules changed provisional status could exper imented easilywith goal finding universally acceptable model Continued page 78 FAI ClAM TECHNICAL MEETINGS list took part 1977 annual ClAM meetings Paris reads like Whos International Model Aviation Because stature people strongly influence trends progress activity therefore im portant AMA well represented meetingsso among lead ers rather followers four basic aeromodeling tech nical meetings Parisgatherings techni cal experts countries meet ings produced recommendations 29 voting delegates per country final say FAI rules changes meet ings took part Control Line Laird Jackson USA E Rumpel W Germany M Souliac France Y Sirotkin USSR Aarts Netherlands J Magne France R Beck Hungary Free Flight P Allnutt Canada P Chausse bourg France George Xenakis USA E Krill AustriaA Oschatz E GermanyC Sundstedt Sweden Abaunza Mexico G Burford Australia Kaynes United Kingdom M Dilly New Zealand M EI-Azizi Egypt V Sreckovic Yugoslavia W Koelliker Switzer land Scale H K Ziegler Switzerland D E Thumpston United Kingdom E Sharp Can ada Y Sirotkin USSR JP Jensen Denmark Bob Wischer USA Aarts Netherlands C Sundstedt Sweden J Reggiori France Beaufils France Radio Control Chris Olsen United King dom Jean-Claude Rey France Andre Beaufils France Georghiou Charalambos Cyprus Luigi Bovo Italy Warren Hitchcox Canada Ted Sharp Canada John Clemens USA Don Lowe USA Don Mackenzie So Africa Joe Dible Ireland Jean Ganier France John Burkam USA Adam Sattler USA John Worth USA Peter Blommaart Belgium Narve Jensen Norway Ottar Stensbol Norway Jens Jensen Denmark Werner Groth W Ger Werner Koelliker Switzerland Camille Gerard Luxembourg Axel Tigerstedt Fin land Geoff Dallimar United Kingdom Note RC Committee uses separate subcommittees Aerobatics Pylon Racing Thermal Soaring Helicopters 1978 new RC subcommittee added ElectraFlight electric motor powered models 74 Model Aviation FAI RC AEROBATIC POWER MODELS F3A AS ADOPTED DECEMBER 1977 1 Definition Radio Controlled Power Model Model Aircraft aerodynamic ally maneuvered control surfaces atti tude direction altitude pilot ground using radio control 2 Prefabrication Model Permitted model aircraft assembled com petitor prefabricated parts competitor installs equipment permitted models completely pre fabricated require few minutes unskilled effort completion com plete ready-to-fly models have built person other pilot 3 General Characteristics Radio Con trolled Power Models Maximum surface area St 150 din2 2325 sq Maximum tal weight fuel 5 kg 11023 lbs Maximum swept volume motors 10 cm3 61 cu maximum noise level method measuring stated Annex 4 Number Helpers pilot allowed helper during flight Two helpers may present during starting motor 5 Number Flights competitor has right four official flights 6 Definition Attempt tempt a when pilot announces take-off maneuver b when model fails commence take-off maneuver within three minutes allowed competitor c if motor stops after pilot has nounced start take-off before model airborne may started within 3-minute period However no points will awarded subsequent take-off ma neu ver 7 Number Attempts competitor entitled attempt official flight NB An attempt can repeated discretion Jury un foreseen reason outside control competitor model fails make start ie radio interference 8 Definition Official Flight official flight attempt made what ever result 9 Marking maneuver may awarded marks between 0 10 judges during flight marks multiplied coefficient varies difficul ty maneuver Any maneuver com pleted should scored 0 maneuvers must performed plane height will allow seen clearly judges approximately 60 degrees vertical ly 90 degrees horizontally non-ob servance rule will heavily penalized loss points model opinion judges unsafe being flown unsafe manner may instruct pilot land 1OClassification See Annex 11Judging World Championships a the organizer must appoint panel least three judges flight judges shall preferably different nationalities elected list persons approved National Aero Clubs ClAM specific system employed World Championship must stated ad vance organizers must have ap proval ClAM ClAM Bureau b shall judges briefing training flights before WC 12Organization RC Aerobatic Contests transmitters contest site must checked placed compound kept under observation During contest Stewards must control transmit ter compounds will issue transmitter competitor name called make flight As soon competitor has made official flight competitor will immediately return transmitter Steward Any unauthorized transmissions during period contest will result auto matic exclusion offe,der en tire contest render him liable further penalties During flight competitor must stay proximity judges under supervision Course Steward order starting various coun tries will established means draw before start contest compatible transmitter frequencies Competitors must called least five minutes before required occupy starting area Once competitor has given per mission start may delay no longer minute before attempting start motor timer will notify competitor minute finished immediately start timing 3-minute starting time organizer must provide adequate radio monitor purpose detecting radio interference means communi cating information pilot NEW FM PA1TERN RULES AFFECT ON AMA EXPERT AND MASTER CLASSES Its too soon fully assess what effect new FAI RC Aerobatics rules will have AMA Expert Master classesbut some al ready have expressed opinion new FAI World Championships system two flights pattern two flights other pattern additional two flights top fliers third pattern will compatible typical US contests Fur thermore theres aspect RC Con test Board pre-existing FAI pattern mind voted Ex pert Class would fly FAI pattern just same Master Class fliers will go unclear written late December Among possibilities might considered ever return Expert pattern Expert Class fliers and/or creation single composite pattern both Expert Master fliers Any action RC Contest Board will reported earliest possible time 13Scliedule Maneuvers RC Aerobatic Power Models maneuvers must execu ted during uninterrupted flight order listed time model passes front judges maneuver must executed except after take-off before landing case pass may made maneuver being performed recommended pilot helper should vocally indicate judges pilot about execute maneuver competitor may make attempt maneuver during flight pilot has three minutes start motor 10 min utes complete flight 10 minutes start competitor attempts start motor NB pass made model flies over line perpendicular center judges schedule maneuvers given An nex B descriptions maneuvers Annex C ANNEX 3 Noise Measurement defined ClAM RC Subcommittee 1OClassification competitor will have four flights two Schedule two Schedule B best scores schedule will added together determine team placings top 10% first five competitors will compete fi nal determine individual winner final will consist two flights com petitor best will added previous score determine winner final schedule will chosen competi tor complete list maneuvers Only 14 different maneuvers may selected cluding take-off landing give maxi mum total score 450 points Only Figure M may included ANNEX B Schedule Ta ke-Off Double Immelmann Three Reverse Inside Loops Rolling Eight Slow Roll Top Hat Horizontal Eight Figure M /4 Rolls Three Outside Loops Three-Turn Spin Three Horizontal Rolls Landing Total x 10 ctor 2 3 2 3 3 2 5 2 2 3 290 K Factor 2 2 2 2 2 4 3 3 5 2 290 March 1978 75 Schedule B Take Off Reverse Double Immelmann Cuban Eight Three Inside Loops Straight Inverted Vertical Eight Four-Point Roll Three Reverse Outside Loops Two Rolls Opposite Directions Figure M /4 Rolls Cobra Roll Landing Total x 10 Pattern Rules Cont List Extra Maneuvers FinalsK Factor Avalanche3 Inverted Spin3 Square Horizontal Eight4 Eight-Point Roll4 Vertical Roll3 Aileron Turn3 Figure M3 Square Loop Four Rolls5 Two Snap Rolls Opposite Directions5 Reverse Knife Edge4 Inverted Top Hat4 Reverse Cuban Eight2 Reverse Point Roll4 Triangle Rolling Loop4 ANNEX C DESCRIPTIONS OF MANEUVERS maneuvers will start finish straight level flight have same altitude heading entry exit unless otherwise stated maneuvers will downgraded start finish straight level altitude heading same exit entry maneuvers have loop shall have loops same diameter similarly maneuvers have roll shall have rolls same roll rate consecutive rolls shall same alti tude Take-Off model must stand still ground motor running ing held must take off take-off run should straight model lift gently ground climb gradual angle take-off completed model approximately two meters 6% feet ground Downgrades 1 Model does stand still released 2 Changes heading during take-off climb 3 Model jumps ground 4 Retouches ground after becoming air borne 5 Too steep climb angle 6 Gallops elevation during climb 7 Wings level time Double lmmelmann Model pulls upintoa half inside loop half rolls upright flies straight level approximately second does half outside loop half rolls level flight Downgrades 1 Half loops deviate left right 2 Half rolls immediately after half loops 3 Half rolls deviate left right 4 Model pauses second fore half outside loop 5 Half loops same altitude Three Reverse Inside Loops Model half rolls level flight pauses approximately second does three consecutive side loops downward flies approximately second inverted half rolls upright loops should round superimposed Downgrades 1 Changes heading during half rolls 2 Loops round 3 Loops superimposed 4 Wings level during loops 5 Changes heading during loops Rolling Eight Model pulls upfrom level flight completes inside loop bottom exe cutes half roll makes second inside loop directly under first half rolls back level flight Downgrades 1 Loopsnotround 2 Second loop directly under first 3 Model level start finish half rolls 4 Changes heading during loops rolls 5 Wings level during loops Slow Roll Model rolls slowly through complete revolution either direction ma neuver takes approximately five seconds Downgrades 1 Changes heading 2 Changes altitude 3 Roll rate constant 4 Model does roll exactly 360 degrees 5 Roll takes less 4 6 se conds Top Hat Model pulls up vertical atti tude pauses makes half roll pauses pulls over inverted flight short period pulls down pauses makes half roll pauses re covers level flight Downgrades 1 Model vertical before starting fin ishing rolls 2 Rolls exactly 180 degrees 3 Model does fly straight level verted 4 Vertical horizontal legs same length 5 Rolls same length 6 Changes heading during maneuver Horizontal Eight Model pulls up com pletes % inside loop vertical posi tion does complete outside loop vertical position again recovers doing /4 inside loop Downgrades 1 Loops round 2 Model vertical crossover point 3 Changes heading during loops 4 Loops same diameter 5 Loops same altitude 6 Model does crossover same point Figure M Rolls Model pulls up vertical attitude executes /4 roll stall turns through 180 degrees turns again same direction first roll does out side loop vertical attitude again rolls same direction first two does verted stall turn through 180 degrees /4 rolls same direction other three recovers level flight Viewed side model executes figure M Downgrades 1 Model vertical start finish rolls stall turns 2 Stall turns 180 degrees 3 /4 rolls exactly 90 degrees 4 Bottom outside loop level en try 5 Changes heading during outside loop rolls 6 Stall turns same altitude Three Outside Loops Model pushes over executes three consecutive outside loops loops should round superimposed Downgrades 1 Loops round 2 Loops supsrimposed 3 Wings level during loops 4 Changes heading during loops Three-Turn Spin model establishes heading power reduced model held slightly nose high attitude until stalls commences spin model will autorate through three complete turns recover same heading different alti tude Downgrades 1 Entry level 2 Does make three turns less two four score zero 3 Does finish same heading 4 Wings level during recovery 5 Spiral dive scores zero Three Horizontal Rolls Model rolls uni form rate through three complete revolutions either direction maneuver takes approxi mately five seconds Downgrades 1 Changes heading during rolls 2 Changes altitude during rolls 3 Roll rate constant 4 Model does exactly three rolls 5 Maneuver takes less 4 6 seconds Reverse Double Immelmann Model pushes over executes outside loop followed immediately roll pauses approxi mately second does /2 loop immed iately rolls level flight Downgrades 1 Changes heading during /2 loops rolls 2 A rolls immediately after loops 3 Model pauses second fore inside loop 4 A loops same altitude Cuban Eight Model pulls up executes inside loop 45 degrees inverted mod el does half roll followed another inside loop again 45 degrees inverted model does another half roll recovers level flight Downgrades 1 Loops round same size 2 Model 45 degrees before commence ment rolls 3 Changes heading loops rolls 4 Rolls cross over same point Three Inside Loops Model pulls up exe cutes three consecutive loops loops should round superimposed Downgrades 1 Loopsnotround 2 Loops superimposed 3 Wings level during ioops 4 Changes heading during loops Straight Inverted Flight Model half rolls inverted flies straight level inverted minimum four seconds half rolls back level flight half rolls may either direction Downgrades 1 A rolls level 2 Inverted flight straight level 3 Changes heading during rolls verted flight 4 Inverted flight less three five seconds Vertical Eight Model pulls up executes complete inside loop bottom pushes over completes outside loop directly under inside loop Downgrades 1 Loops round same diameter 2 Changes heading during loops 3 Wings level during loops 4 Outside loop directly under inside loop Four-Point Roll Model rolls through 360 de grees hesitating 90 degree point hesitation wings parallel vertical horizon maneuver takes approximately five seconds Downgrades 1 4 rolls less 90 degress 2 Model does hesitate after roll 3 Roll rate constant 4 Roll takes less 4 6 se conds 5 Changes altitude Three Reverse Outside Loops Model half rolls inverted pauses approximately se 76 Model Aviation cond pushes up execute three consecu tive outside loops pauses approximately second half rolls level flight loops round superimposed Down grades 1 Loops round 2 Loops superimposed 3 Changes heading during loops rolls 4 Wings level during loops 5 Model pauses second fore after loops Two Rolls Opposite Directions Model rolls 360 degrees either direction immedi ately after rolls 360 degrees opposite direction rolls take approximately five se conds Downgrades 1 Changes heading 2 Changes altitude 3 Roll rate constant 4 Rolls exactly 360 degrees 5 Second roll does start immediately after first roll 6 Rolls take less 4 6 se conds Figure M V2 Rolls Model pulls up vertical attitude performs roll stall turn through 180 degrees another roll exe cutes half inverted loop followed third /2 roll second stall turn fourth roll recovering level flight rolls may direction stall turns must opposite directions Viewed side model executes figure M Downgrades 1 Model vertical start finish rolls stall turns 2 Stall turns exactly 180 degrees 3 / rolls exactly 180 degrees 4 Bottom outside loop level entry 5 Changes heading during outside loop rolls Cobra Roll Model pulls up 45 degree angle half rolls inverted attitude executes loop half rolls upright attitude re covers level flight Downgrades 1 Initial climb 45 degrees 2 Rolls 180 degrees 3 A loop 90 degrees 4 Descent 45 degrees 5 Changes heading during rolls loop Landing model flares smoothly touch ground within landing circle no bouncing changes heading rolls stop Landing maneuver will start two meters 6A feet ground Downgrades 1 Model impacts ground due lack flare 2 Model bounces after touchdown 3 Wings level 4 Changes heading 5 If model ends its back zero points 6 Model lands outside 30 meter circle 7 If undercarriage leg retracts land ing zero points Avalanche Model pulls up completes half loop top executes complete snap roll~ recovers does another half loop finish level flight Downgrades 1 Loopnotround 2 Changes heading during loop 3 Wings level during loop 4 Snap roll 360 degrees 5 Roll snap roll Inverted Spin Model establishes heading half rolls inverted power reduced model held nose high attitude until stalls commences spin model will autorotate through three complete turns recover same heading different al titude half rolls upright position Downgrades 1 A rolls level 2 A rolls 180 degrees 3 Wings level during entry exit 4 Spiral dive scores zero 5 Does finish same heading 6 Does make three turns less two four score zero Square Horizontal Eight Model pulls up executes square loop bottom third leg does complete square out side loop behind inside loop model should rotate sharply corner straight paths should least 20 meters 65A feet long Downgrades 1 Loops square 2 Vertical downward paths coincide 3 Loops same size 4 Changes heading 5 Wings level 6 Loops same altitude 7 Sides squares same size Eight-Point Roll Model rolls through 360 de grees hesitating 45-degree point wings should parallel vertical 45 de grees horizon maneuvers take ap proximately 5 seconds Downgrades 1 1/8 rolls less 45 degrees 2 Model does hesitate after 45 de grees 3 Roll rate constant 4 Roll takes less 4 6 se conds Vertical Roll Model pulls up executes 360 degree roll vertically upward pushes over finish level flight Downgrades 1 Model vertical start finish roll 2 Roll exactly 360 degrees 3 Roll vertical 4 RoIl rate constant Aileron Turn Model pushes over executes 360-degree roll vertically downward re covers finish level flight Downgrades 1 Model vertical start finish roll 2 Roll exactly 360 degrees 3 Roll vertical 4 Roll rate constant Figure M Model pulls up vertical atti tude executes 180-degree stall turn either direction does outside loop again executes stall turn opposite direction recovers level flight Downgrades 1 Model vertical before after stall turns 2 Stall turns 180 degrees 3 Climbing diving paths parallel 4 Bottom outside loop different alti tude entry 5 Altitude second stall turn different first Square Loop Rolls Model pulls up completes square loop side model executes roll Downgrades 1 Loop square 2 Rolls 180 degrees 3 Wings level during loops 4 Changes heading during rolls loops 5 Sides square equal length Two Snap Rolls Opposite Directions Model snap rolls through 360 degrees recovers immediately snap rolls opposite di rection recovers level flight Downgrades 1Rolls 360 degrees 2Rolls snap rolls 3Changes heading 4Changes altitude Reverse Cuban Eight Model pulls up 45 degree climb half rolls executes % loop half rolls inverted loops back level flight same point entry Downgrades 1 Loops round same size 2 Model 45 degrees commence ment rolls 3 Changes heading during loops rolls Reverse Top Hat Model pushes vertical downward attitude half rolls loops level inverted flight flies inverted same distance downward path loops upward vertical attitude half rolls pushes over level flight Downgrades 1 Model vertical start finish half rolls 2 Rolls exactly 180 degrees 3 Model does fly straight level verted 4 Vertical horizontal legs approxi mately same length 5 Rolls same length rate 6 Changes heading during maneuver Reverse Point Roll Model rolls through 270 degrees hesitating 90-degree point rolls 270 degrees opposite direction hesitating 90-degree point finish level flight Maneuver takes approximately 5 seconds Downgrades 1 A rolls less 90 degrees 2 Model does hesitate 90-degree point 3 Roll rate constant 4 Roll takes less 4 6 se conds Triangle Rolling Loop Model pulls up 45-degree climb holds attitude ap proximately second loops through 135 degrees does complete roll loops through 135 degrees holds attitude approxi mately second recovers level flight same point maneuver started climbing descending portions should same length Downgrades 1 Climbing descending paths 45 degrees 2 Climbing descending paths same length 3 Roll 360 degrees 4 Model changes heading during loops roll 5 Model does start finish maneu ver same point * If initial entry spin smooth spin itself jerky uncertain reason downgrading indication spin true spin spiral dive dicated its smoothness increasing air speed during spin airspeed does crease appreciably ** A snap roll auto rotation horizon tal axis plane rails very rapidly nose-high attitude plane rolls along its axis snap roll SAFE FLYING IS NO ACCIDENT March 1978 77 FAI Rules Continued page 74 specifications racing procedures noted very unusual develop ment apparently necessary due widespread disagreement about rules among countries involved Pylon Racing reversion provisional status FAI World Championships Pylon Racing will possible until printing next Sporting Code after 1979 edition probably means 1984 earliest meantime interested return World Championships status RC Pylon rules will need help develop international agreement such rules over next four years including participation international contests using FAI provisional rules either rules presently exist may modified during next few years Provi sional status allows rules open change annual basis Adam Sattler chairman RC Pylon Racing Subcommittee coordinator APPROVED DECEMBER 1977 1 Premise utmost importance model fliers observe first safety rules Any accident caused careless ness hindrance progress model aviation safety rules obstacle enjoyment model flying guidelines established prove model fliers responsible people proclaim sign intelligence show ones own skill among spectators flier may know what doing has no way knowing what anyone else will So personal benefit make certain no action part will result accident therefore very important fly model aircraft competition pres ence spectators until has proven air worthy having previously flight tested 2 Competency Safety following ficials competent apply enforce safety rules Jury - the Contest Judges - the Contest Director - the Circle Marshalls - the Timekeepers - the Processing Officials - the Leaders Organization 3 Regulations Concerning Models Parts Prohibited a metal-bladed rotors b knife-edge leading edges main tail rotor blades c non-shock-mounted radio equip ment d ballast heavy part subject jettison ing Recommended a Blade attachment single through bolt self-locking nut allows blade lead lag hits something thus prolonging blade life b model should bear sticker listing modelers name address phone num ber c Radio antenna should restrained such manner eliminate chance its entanglement moving rotating part helicopter effort revive FAI activity cat egory Anyone interested should contact Adam Sattler 80 Rand Rd Apt A-2 Schenec tady NY 12309 RC Thermal Soaring General designation F3B now applies RC Thermal Soaring Gliders F3F has added RC Slope Soaring Gliders F3G has added RC Pow ered Gliders Both F3F F3G allow two models entered model specification certificate required entries international events must bear signed affidavit entrant has complied spirit rule 13 pertaining prefabrication Attempts Official Flight Section 16 completely replaced including title following 16 Attempts Official Flight 1 Attempts task during working time allocated him competitor entitled unlimited number attempts 4 Pre-flight Checks Before flight modeler should make following checks a Be certain frequency being em ployed clear properly authorized use modeler large groups modelers fly together system identifica tion frequencies should established b Test good functioning controls engine stopped c Test good functioning controls engine running strongly rec ommended model held hand tail boom checking blade tracking control functioning trim can done model sitting ground weights landing skids desired model held overhead both skids helper should done safe distance 110 ml other people helicopters pit area d Models should run-up free hov ered test flown pit area clear area least 30 meters square e Models should flown pres ence spectators until have prop erly tested proven airworthy 5 Flight Procedures Before during flight pilot should observe following a The helicopter should carried flown taxied ready box takeoff pad b Do fly toward over spectators pit parking area such manner malfunction could cause model crash spectators c Do fly solo presence spec tators until qualified flier judged experienced helper d At sign malfunction land quickly possible 6 Flying Sites flying site should large enough provide minimum about 200 meters 100 meters clear space containing no buildings people highways b At flying sites within 5 miles 8 Kml airports models shall flown higher 400 feet permission air port operator tasks B C after release towhook after model has crossed base repeat first time flying di rection base base B no further tempt permitted b competitor entitled new working time period end round model launching cable collides another model flight person being launched strikes another launching cable Should flight continue normal manner competitor may de mand flight accepted official demand made end flight flight has judged fault judges timekeepers case unexpected event duly witnessed official judges timekeep ers flight has hindered aborted 2 Official Flight official flight last flight performed during working time Cancellation Flight Disqualification Paragraph modified call annul ling flight competitor used model line launching device conforming FAI rules new paragraph e added case hand pulley towing launching device except launching cable must thrown competitor under penalty cancellation flight Distance Task new rules adopted December 1976 FAI applicability 1979 providing man-on-man concept distance task rescinded move re duce element luck rule 24b mod ified allow scoring up maximum 12 laps simplify course layout well scoring course rule 24e divided four fractions instead 10 previous Organization Starts Add 18 separate draw shall held round Organization Contests Add 19 No sighting apparatus should placed within minimum distance 3 meters limits thf course Alternating Tasks new rule increases importance duration task relative distance speed 21i amend combination read combina tion Task other task constitutes round minimum 2 rounds must flown tasks B C alternating round Any single round . Rule 27 modified accordingly round total score complied adding partial score either B C competitor Speed Task Change 25a 4 minutes 5 motorgllders completion task Under 22 Launching paragraph f added speed task flight annulled model crosses line during its timed flight Motorgliders Rule 21ii changed read organizer can establish whether radio controlled gliders Auxiliary Power RC Motorgilder enter same contest unpowered gliders have separate classifi cation system classification must announced propositions con test Classification Paragraphs b c 28 eliminatedreplaced results achieved competitor rounds will determine position final classifica tion order decide winner tie task C speed repeated 78 Model Aviation FAI SAFETY CODE FOR RC HELICOPTERS RC Helicopters current ruies CN section April 1977 issue remain provisional blended RC Helicopter Subcommittee rules changes proposed West Germany presented December 1978 ClAM meeting approval new combination meantime approved change current K-factors through di viding 5so 15 10 S become 3 2 1 Also new Safety Code RC Heli copters approved see elsewhere sue RC Electroflight new set provisional rules approved replace previously effect new rules have tested European competi tion 1977 considered prac tical improvement over previous provision al rules new provisional rules else issue Scale RC Maximum Weight Rule 31 changed 5 kg 11 lbs 6 kg 13 lbs 36 ozs fuel including dum pilot Definition Scale Models further de fine permissible models agreed change 11 such aircraft has air borne acceptable subject meaning designs built never flown acceptable RC Quality Landing landing circle used rule 3712 25 meters 49 diameter factor K9 landing within circle factor K4 land ing outside circle Judging Agreement judges Guide General following sentence de leted because impracticality applied maneuvers desirable principle judges conferring agree realism flight scoring applied flight maneuvers order avoid large dis crepancies between individual judges marks Future Rules changes FAI Scale Rules will frozen until end 1982 except ratio between subheadings sta tic scoring complexity headings may changed provided total K-factors section changed Static Judging Points Rule 15 previously said fractions tenths point could used tenths now has deleted Proof Scale Add 94b Color drawings authentic sources eg Pro file type publications including three views acceptable proof color mark ings Also proof tbe cruising speed must supplied Judging Fidelity Scale crafts manship Separate judging fidelity scale craftsmanship complexity have elim inated Instead approved modify 110 follows provide combined scoring fi delity scale craftsmanship com plexity bonus handled separately Fidelity Scale craftsmanship 1 Fuselage 2 Wing equivalent 3 Tail surface equivalent empennage 4 Landing gear 5 Propulsion units 6 Cockpit cabin detail 7 Finish color markings pecial ingenuity complexity Bonus new section has added heading following rules order compensate models com plex prototypes inherent disadvan tages flight following bonuses shall awarded form percentage total flight score Wings Monoplane Biplane single bay Biplane double bay lane Quadruplane Engines Single Twin Engines Three Engines Four Engines Above four Undercarriage Fixed tricycle0 Fixed conventional bicycle monowheel5 Retractable tricycle Retractable conventional General Pre-1914 design10 Notes order qualify multiple engine bonus power ratio engines must per prototype engines must operate Judges shall decide upon appropriate percent bonuses applied flight score model during static scoring procedure Other paragraphs rules necessary revised accommodate combined scoring fidelity scale workmanship judging separate application complexity bonus Realism Flight CL RC 272 3710 following footnote has added scale model cruis ing speed prototype must stated flight scoring form Discrepancies Documentation Add judges Guide discrepancy measurements due scaling up drawing stated basic dimensions should prevail discrepancy between drawings stated basic dimen sions latter should prevail Measurement Tolerances Judges Guide tolerances 03% measurement fuselage wing have eliminated RC Taxi Present 371a has elimi nated replaced three sub-paragraphs according landing gear type follows aa Models aircraft using two-wheel landing gear tail skid two-wheel gear non-steerable tail wheel other gear config urations allowing steering will taxi ward wind distance up 15m slow down near stop stop come airborne realistic manner ab Models aircraft using two-wheel landing gear steerable tail wheel will taxi forward wind downwind contestant prefers distance up 1 Sm K1 0 using 5 turn visibility taxiing procedure slow down near stop stop depending K9on whether prototype equipped K9with brakes become airborne - K8realistic manner odels aircraft equipped K1 1steerable tricycle landing gear will taxi down- -K4wind least 1 Sm stop turn least 120 de grees wind become airborne realistic manner Errors Model does stand still unassist ed before commencirg taxi Model does follow prescribed course Model does halt before taking off prototype brakes Model taxies too fast Model does taxi manner prototype % Bonus Downgrading Ready-Made compo 0 nents Craftsmanship Judging last sen tence changed read marks 10 other commercial items should graded least 50% unless has 20been considerable degree reworking FF Scale rules provi sional since 1971without evidence in0 ternational use have dropped New rules 10 may proposed time future 15 RC Scale Gliders As per F F Scale 20 provisional rules have used 25 internationally since adopted 1972 have dropped World Records RC Glider Speed Straight-Line course 10 Special conditions RC Gliders have 10 eliminated future RC Gliders must use same base altitude require ments RC Power models primary pur pose lengthen RC Glider base has become especially important due high speeds being attained Automatic Timing speed records straight line following new rule has added speeds above 300 km/hr 1864 mph manual actuation timing devices permitted Only automatic means tim ing eliminate human error factor permitted must certified accurate within 1/100 second c closed course Speed Records Ap proved new record categories Power models Gliders separately per fol lowing rules Base course consists square de fined four prominently colored pylons poles set 200m 6562 apart 90-degree angle other situated flat land land minimum fall exceed 1 meter 200m within 1 km course An upright pole 20 meters 657 cor ner square extension line drawn between two pylons side square will establish Starting/Finish Line Four judges will situated immediately under pylon will raise red flag signal lights model infringes side space bounded poles Note essential accurate speed measurement poles absolutely ver tical order prevent course length differ ence altitude RC Gliders must free launching cable specified 725 prior crossing Start/Finish Line Models land prior completion four legs course intrude forbidden airspace except after timing completed disqualified flight void no altitude restric tion prohibition against circling thermals outside course Timing begins model crosses Start/Finish Line ends model completes course again crosses Start/Finish Line still airborne intermediate landing within 30 minutes launch Availability Record Data ClAM voted unanimously recommendation CASI March 1978 79 FAI Rules Cont appropriate high FAI authority photocopies record dossiers available upon request national aero club fee cost plus 10% World Championships 1978 Control Line Speed Team Race Aeroba tics Combat plus Control Line Radio Control Scale approved August 4-10 Woodvale England near Liverpool Indoor bid Romania ac cepted because required guarantee FM South Africa allowed participate condition allowed However ClAM president empowered see condition would removedon assurance South African delegate no team country would partici pate matter left hanging ClAM president advise countries end January whether Romanla some other country would host event Note press time both England US considering possibility offering host neither good position Spacemodels model rockets Bulgaria approved host early Septem ber probable date 1979 RC Aerobatics Approved South Africa probably September Note An expected offer Mexico did materialize dele gate Mexico present no information regarding offer host RC Soaring Offers US Bel gium noted Both countries sub mit firm details offers ClAM Bureau officers meeting Paris March 31 Bureau will decide offer will prevail AMA currently working National Soaring Society SOAR group Chicago view toward holding event city Free Flight firm offer Yugoslavia approved site European Championships held end May early June Note site said five kilometers square 1980 Control Line Speed Team Race Aeroba tics Combat firm offer Belgium approved Radio Control Control Line Scale firm offer Canada approved held Ottawa RC ELECTRO-POWERED MODELS F3E PROVISIONALAS ADOPTED DECEMBER 1977 Definition RC Electro-Powered Models Model aircraft lift generated aerodynamic forces acting surfaces remain ing fixed during flight except control sur faces performs maneuvers con trolled pilot ground using radio control connection propulsion model effected fixed foldable propel lers driven electric motor can regulated during flight power-pack electric motor must have fixed connection ground another model air Recharging power-pack solarcells permitted during flight Prefabrication Model Permitted plane assembled builder prefabricated parts builder installs equipment Permitted Models com pletely prefabricated require few minutes unskilled efforts completion complete ready-to-fly models have built person other pilot General Characteristics RC Electro-Powered Models Maximum surface area 150 sq dm 2325 sq Maximum total weight 5 kg 11 lbs Maximum loading 75 gr/sq dm 2457 oz/sq ft Minimum loading 12 gr/sq dm 395 oz/sq ft Number Helpers pilot permitted helper Number Flights competitor class has right three official flights two best flights shall counted Take-Off Take-off must executed either two manners described hereafter change type take-off during contest may allowed contest director whole round Take-off ground hand-launchingWhen hand-launching competitor helper have ground hand-launch model use starting devices Definition Attempt attempt a the pilot announces take-off b model taxies case take-off ground c pilot releases model case hand-launching dl model fails start within five minutes allowed Number Attempts competitor al lowed attempt official flight Exceptions An attempt may re peated organizers judges discretion reason outside control competitor organizer model unable take-off Definition Official Flight official flight attempt made what ever result repetition official flight permitted take-off possible possible due time safety reasons b competitorit has proved cannot perform flight due outside inter ference no scoring made reasons outside control competitor such cases take-off may repeated im mediately after fruitless attempt take off after personal report contest manager during same round out round Marking maneuver round will awarded points Scoring flights starts model released case hand-launch ing b model starts taxi ground Scoring flights ends a model fails start within allowed time b model touches ground ob struction connected ground c lettisoning occurs dl official flight completed No scoring will made following rea sons a when model used already anoth er competitor same contest model accordance general rules characteristics class b model started permission wrong starting sequence c competitor fails return transmit ter flight completed case un authorized use transmitter during flights dl pilot fails release model starting point employs two helpers e pick up transmitter before second call made commencing take-off before called fI entering starting area before second call made switching transmitter before nouncement gI pilot fails take-off within allowed time three minutes officially called hI repetition start permission I starting manner allowed particular category ii hand-launching effected ground using take-off devices k pilot moves away take-off area does operate transmitter himself I model leaves flying space maneuvers cannotbe seen judges Classification final classification will determined aggregate sum two best flights case tie first place final result will established fly-off Any fly-off must take place within hour normal finishing time contest No attempts permitted results fly-off shall count establishment title such World Champion prizes awarded Judging a The organizer must appoint panel least three judges official flight judges shall preferably different na tionalities elected list per sons approved National Aero Clubs ClAM rotation system equivalent system may used provided judge will score contestant equal number times specific system employed World Championship must stated ad vance organizers must have prior approval ClAM ClAM Bureau b There shall training flights judges briefing before after held immediately before World Cham pionship Organization RC Electro-Flight Contests transmitters used contest must checked placed compound kept under observation During con test steward must control trans mitter compound will issue transmit ter competitor name called standby flight As soon attempt has ended competitor must im mediately return transmitter steward transmitter compound unauthor ized transmissions during contest will re sult automatic disqualification offen der entire contest render him li able further penalties order starting 80 Model Aviation no scoring 2 various countries competitors will established means draw before start contest Competitors must called least five minutes before required occupy starting area organizer must provide radio-monitor purpose detecting possible interferences Suggested Schedule Maneuvers F3E Spe cial Out 14 maneuvers listed below six must chosen flown competitor sequence maneuvers has laid down writing valid rounds Take-off ground permitted scoring provided another maneuver replacing schedule has completed within time max 5 minutes counting se cond official call Maneuvers 0Hand-launching 1Take-off ground 2Two inside loops 3Two outside loops3 4Double lmmelmann2 5Turn1 6Spinthree turns2 7Cuban Eight3 8Running Eight starting down ight starting middle2 10Three horizontal rolls2 11 Four-point roll3 12SIQw roll mm 4 sec3 13 Approach rectangular four legs aLanding 30 m circle1 14bLanding 15 m circle2 Suggested Schedule Maneuvers F3E Junior Models two axes radio control steering Engine running radio-controlled Landing aids schedule has completed within time 5 minutes counting second official call After launching hand following ma neuvers have flown given order Coefficient Maneuvers 1Two outside loops3 2Turn2 3Inverted flight starting ending Ia loop2 4Spintwo turns2 5Approach2 6a Landing 3Gm circle1 6b Landing 15 m circle2 Schedule Maneuvers Electro-Motorgliders two turnlines distance 150 meters middle distance shall gate Gate two poles 3 m high dis tance 20 m turnline shall timekeeper flagman model running engine handlaunched Time release taken timekeeper first task pilot has total flight-time 200 sec has decide much will use climb much gliding competitor has shut tle between two turnlines often pos sible gliding turnilnes have over flown time full leg com petitor given 10 points Restarting en gine before expiration 200 sec termi nates scoring does expiration 200 sec After task competitor has fly again through gate soon possible passing gate timekeeper No 2 takes time flying through gate proper altitude means between two poles lower top 10 points grant ed After passage through gate climb starts delay Now total time climb gliding will 300 sec Again up competitor decide much time will use climb much gliding second gliding time competi tor given point second over 300 sec total flight time point shall deducted important gliding time taken motor cut gliding time ends motor restarted Lee Hines Costa Mesa CA holds own design Ulti max A-2 Towline Glider set Open age class national record December 18 1976 rec ord still stands 53 Coefficient minutes 46 seconds comprised 12 maxes last five progressively aeasing times increments minute 13th flight 148 seconds record set Elsinore CA Record Trials organ ized Sky Hoppers Orange County very super special dayforfly ing Free Flight Hines said Ultimax features wing 15181 aspect-ratio CH-407 airfoil modified per Crowley/Klintworth undercambered stab airfoil 7% thickness Covered Japanese tissue model also Seelig de thermalizer timer Czech cir cle tow hook NFFS fiber glass tail boom CONTEST COORDINATORS I Pad L Penney S Chalorta AndOne, MA 01810 II R SobrinO 87-26 88th St. Woodlsanen Oseens NY 11421 Bc Bryan Sattlar 29 Waldorf P1. Schesecnfdy NY 12307 5c Frei Rlackborn6 Bloe8psoce Ln Cotsnack LINY 1172S III Ken Raber Rd 1 Naaareth PA 18064 lEash M Wesanbach 4585 W 148s1s St. cleneland OH 44135 West Rc J Slaver 809 Forest Rose Ave. Lonter OH 43130 West V Warren sanders Jr 9735 52nd Ave College Pk MO 20741 Sc J Lawrence 12538 Ffoodstock Dr. upees Marlboro MD 20870 V Sen Cleveland 708 Coontry dab Tollatonsa TN 37388 RC J Oasis Jr18135 Lakeshore eirsnngnaatAL35216 RC Ctsarlene Fields 818 Main St Ness Ellisoton sc 29809 FREE FLIGHT CONTEST BOARD I Henry Strock RFD No2 Hat4ssg Old Lysno CT 06371 II Carrel Alvin 2Araona R Hontngson sta NY 11746 Ill Rody Klcibar 2021 Lakeland Are. Lakewood OH 44107 IV joe 8oy1e J. 218 Slsanedosh Rd. Hampton VA 22361 V Sooty Jonkios 3112 East Raises Rd. Marnpnis TN 38118 VI Chris Massono 10132 Oooglass Ct. 55 Ann MO 63074 VII Phil KIntwosth Jr. 715 Rosters Rd. Rocnestes Ml 48063 VIII Mark Valascs 23132 Poeseran Dr Honstot TX 77055 IX Edward ColIos 4318 6 Utah FV Denver CD 80222 X Joe Nontross 4836 Wee 123rd St. Hawthorne CA 90250 XI Ernie Linn 16858 121 Ate SE Rattan WA 88096 CONTROL LINE CONTEST BOARD George rlggrls P0 Boo 482 North Pembroke MA 02358 II 811 Sots 7706269th St Ness Hyde Park NY 110413 Ill Lairn Jackson 523 Meadtssbrook St Davids PA 19087 IV Rae McNIIy 6118 8da As. SisrngdiM VA 22152 V Date Hernstracght D 80 171 Motcha Corner SC 29461 VI Sob SoreS 132 Rocklord Apt 12 Porest Park IL 80130 VII Jantss Sinton 4941 Wisconsin Ave N Now Hope MN 55429 VIII Charles Atatton 3730 Kiesnorest Dallas Tx 78233 IX Michael Tallmen 3014 Sochenge Wichita KS 67217 X Pate Srandt 405 21st St. Manhattan Stack CA 90286 Xl Dan Ratherford 4706 227th P1 55. Bothall WA 98011 pull However motor may re versed after announcement Landing ap proach landing included glid ing time Having announced landing ap proach pilot may use landing aid Landing 30 m circle Coefficient m circle tal flight time ends model touches ground program aims development models good rate descent min imum speed relatively high rate climb power-flight VI Kit DeWant 3930W Jettersot Kokosno IN 46901 BC Ralph White R R 1 Boo 324 Neoga IL 62447 VII John Evert 421 Walnot Ln Apple Valley MN 55124 West Wesley Slave 1213 Wall St. Port Horon Ml 48060 East VIII John Deaton 5012 Royal Or. Ft Worth TX 76116 BC Larry Stanfitld 301 Wilson St Crossley TX 78036 IX JantesT Fitiey6540 6 Central Wioltita KS 87206 BC Robert Arnntt 2009 Keasas Great Bend KS 87530 X Myrtle Coad Rt Boo 19 Losses Lake CA 85457 Northl Lee POlotkh 258 nt Ave. Dolana CA 93017 Sooth XI Don Dodd 3409 Baltidere Ava. SW Seethe WA 98126 Rc Donald Miller 3436 S 263rd St. Kent WA 58031 RC Pylon & Soaring Rd Pattern sod tnher RC RC Soaring attern Pylon & other RC RADIO CONTROL CONTEST BOARD I Does AIlsed 38 Sosnsst Rd LeninStan MA 02173 I Joe Frend 62 Joysan Tens PraehOld NJ 07093 III Dave Bsossn 8534 Haddlestos Cincinnati OH 46236 IV Fred M Gregg 12709 RichssOfld St Osestas VA 23821 V Rhert Miller Sr 3035 Lakeshore Os. Tallahassee FL 22302 VI hoE Underwood 4109 Coescord Oaks Dr. S Lons MD 83128 VII Peter Waters 31219 Kendtll Unonia MI 48154 VIII Davd Hyde 2026 Snossssass Lt Garlatd TX 75042 IX Loren Tregellas 3002 S Everett Withta KS 67217 x Bill Neetheop Ie. 621W lkh St Cost Mm CA 80627 Xl Ralph Brooke 3431 5 194th Seartle WA 98188 SCALE CONTEST BOARD I Richard Sharesas 406 River Rd. Tessktbory MA 01876 II Robert Gossens 55 Snoressay Dr. Rochester NY 14012 III Edward Wissar 1521 Sosssst St MoKeasport PA 15130 IV Bob KarIsson 2643 Marsh Rd. Wilssiogton 05 19810 V Daoid PIart 6540 NW 15th Ft Laaclasdale PL 33313 VI Prank Seatty 2605 Pontoon Rd. Granite City IL 604O VII Ossad MeCalloagls Boa 40 Mentacees IA 80171 VIII Johnty Casborn Boc 8029 Ft Worth TX 76112 IX Dean Copaland 7817 Seward St. Osnana NE 68114 X Fraal Capan 251 Coatino de las Florne Encinitas CA 93024 XI Earle Moorhead 2750 View P1 5 Salem DR 87302 cONTEST BOARD COORDINATOR Don Lindley 420 Tapala FJpanill IL 60640 March 1978 81 DIRECTORY Bold Peos 610w IndIcate Otaictean Contat Board X SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX 0 Competition News will present time time constructive thought-provoking ideas further However feel being criticisms AMA rules policies affect competitors issue has two sides CNright just enough hobby where0 Owill endeavor print viewpoints have submittedwithin limits availableanyone times wrong read onX Co waco uniqueness constructiveness timeliness good taste Determination appropri- y railroad-highway intersections have Xateness publication of matters must necessity rest solely publisher O ght presented author should necessarily construed asflashing lights bells automatic gates yes-0 AMA HO AMA officers publisher should note publication terday stood sign read RAIL- -u 4rules-change policy-change idea does necessarily mean specific proposal has beenROAD CROSSINGSTOP LOOK LISTENCo O presented Contest Board Executive Council appropriate committee such action stop could see up down 0 Co responsibility author anyone else interested obtaining official action tracks could see up down X Xtracks would have Co 0 0tracks tracks wrong place Co 4THE BEST F F TEAMsupport manufacturers make en- Before get tracks LISTENIu Ogines timers towhooks etc make theInstead STOP-LOOK-LISTEN ouro CoBill BogartWorld Champs possible takes numbers flying lets use COOL agree onlyx X1975 FF Team Managerwell fanatics have entice new bloodtime can turn have Ointo program give us future teamscorrect clip Okay have proper clip 0 CoMike Kevilles letter August issue 4expressed opinion quality eve World Champs ulti-Turn immediately off say O1977 US FAI Free Flight Team Dave Lin-mate contest flyoffs should expected about one-second interval Now LISTEN Costrum commented Mikes letter De-and planned hundreds other nobody yells Im hit turn again0 off about three-second intervalX Xcomber issue calling philosophy atti-contests year featuring FAI classes andAgain LISTENI still nobody yells aCo Otude Mikes letter almost too absurd But0 rules should keep contests theirsafe bet will shoot anybody down Co a.Daves reasoning discussing mistakes ofentrants well mind Without therethe other guy uses on/off precaution0 4 te Ed Carroll Team Finalswould no World Champs requiredthen wont get shot down eitherCo oBob o slowly FAI rules changes ff technique does take much Cois strange logic flier makes rinted Bat Sheet newslettertime after several flying sessions will beCo xmistake Finals may well make theof Strat-O-Bats Club Seattle WAsecond nature clubs have added0 osame mistake World Championships CoIf logical opposite must bemethods safety rules avoid crashes 4true eg fliers timer doesnt malfunctionAdd list until get flashing w Oat Finals likely malfunction atlights ringing bells automatic some-0 Cothe WC Balderdash logic absurdthing other will stop crashesX XWhat Mike laments others think-PROPOSAL TOHave correct ClipCo Coing about system team selectionturn On0 ahasnt developing selecting fliersREORGANIZE THE AMAturn OffU 4whohagreatest propensity potentialDick Singerthen ListenCo ove theo Coto win eventX xTonight October 24 Los AngelesPhoenix AZDo again Cool man Helpful reminder Add sign fre-Co ORams wiped up Colosseum Mm- osal offered attempt givequency clipboard label COOL CLIPS0 Co Vikings playoff last fall Vik-modeling model flying back inted Prop Wash newsletter 4ings made Rams look silly point isYouth Americathe Mercer County RC Club Trenton NJCo Othat given outing whether day orMEMBERSHIP IN NEW AMA0 CoX three flier may well poorlyany flier 1 Remove members over 18 years old XOver number contests best fliers wind2 Regular members AMA 8 18Co O0 Coup top very way we3 Associate members over 18 must V adevelop opinions best fliers aresponsored regular member B 18STAR NOVICE RC PATTERNCo have viewed Semi-finals results4 Regular members B 18 may sponsor0 Cofrom past Labor Day weekend willonly two associate members eachM Buck Peck X xhave noticed large number excellent fliersNorfolk VA Co O will going Finals-the resultAMA SPONSORED CONTESTS0 One-clay contest1 shall events regular membersPattern simply gotten too complicated 4Is boils down enough flying inassociate members open eventsfor fun said old curmudgeons such Co 2 O the team selection still seem making associate event must Novice entry point populated o Co team selection simple economic Asthree regular member eventsopen gimbels white bucks retracts now X xeven tuned pipes years tried long aswe continue manner shall ASSOCIATE MEMBER OATH order brainstorm simplistic startin g point Co destined among also-rans WC associate member adult remain no avail Only start spend much time AMA member must stimulate Tidewater RC scheduled host Co O and money sport will develop fliers least two persons year become reg- 1977 Virginia State Championships 0 X Coof World Champion statusular members 8 18 associate mem- never sat down CD Jay Jennings Xber promises sasist help newinvented Star NoviceCo Omembers become happy competent mod-0 Co aelers model fliers1 Entrant must have previously placed-u 4in sanctioned Pattern contestCo O itted modelers concerned with2 Retracts installed may used0 Coour youth future ho bby x3 Before flight entrant will line out O FF FAI RULESGO SLOWany two maneuvers choice NoviceCo Coscore sheet will neither fly nor scored Steve 4 HelmickCo After World Champs up 40Easy run turned out successfully En- 0 X flyoff event atrants lumped regular Novice XCo oover limiting performance aRAI LROAD CROSSINGgroup identified small stars o Co no flyoff way see theSTOP LOOK LISTENThe judges scorers nothing different caliberto Extra trophies funded fliers WC level simplyDick Radcliffe ohas lousy conditions eliminate max-by entry fees 0 CooutsThere reasons crashThey loved Good club fliers several X x But wonder should modify rules Most now have heard years experience previously felt outCo O with World Champs mind should seen experienced yourself type classed equipment impression points 0 Co consider guys like myself seldom crash can add avoidance gave whirl Beginners year -g 4 max-out anyway like events other guy turns fre- experience werent stigmatized label Co 0 trying improve Limit performance quency did have proper fre Competent fliers won straightforward x through rules changes watch quency clip wrong four-channel Pattern craft fun Xaverage guy desert sinking shipwere guy proper clip youexperienced competitionCo 0 Remember takes large number ofwere right guy clip CDt licensed fee try -u aentries support team financially tofeels having clip enough read noour patented Star NoviceCo 0 SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX X 82 Model Aviation Nick Sher Langhorne PA made flight 12157 mph backed up another 12149 mph claim National AMA Record Control Line Speed Open age division record set October 91977 Dayton OH Cold Cash Speed Bash put Dayton Buz zin Buzzards Model Airplane Club previ ous record 12011 mph held Robert Bradshaw established 1974 model shown several photos page mostly constructed balsa basswood used strategically cov ered K&B fiberglass cloth finished clear K&B polyester resin Its wing has span 1 3% 1-5/8 center chordsym metrical airfoil model weighed 5 oz Power came Cox TD equipped GloBee plug tuned pipe supply ing information about record setter Sher said used Cox unported sleeve Schnuerle-cut tuned pipe Cox speed pan used prop re worked Cox gray 5 x 4 fuel tank homemade suction type Single line control used through B&S torque unit model Stanzel-type Monoline handle
Edition: Model Aviation - 1978/03
Page Numbers: 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83
NE WSLET ACADEMY OF MODEL AERONAUTICS 815 FIFTEENTH STREET NW WASHINGTON DC 20005 FAI RC SOARING TEAM SELECTION PROGRAM Ray Marvin Chairman FAI RC Soaring Team Selection Pro gram underway again select US team go World Championships 1979 Plans run program essenti ally same manner previous Jim Simpson ably conducted good program resulted team went take first place individual first place team honors World Championship South Africa coming program will seeking team can repeat performance program being administered National Soaring Society restricted NSS members open AMA members aware program works procedure follows first step enter quarter-finals con test cost will $25 plus cost FAI stamp will no additional charge advance semi-finals finals process setting up contest schedule now check area see quarter-finals contest sched uled get club sponsor get AMA Contest Director club ap ply sanction schedule meet dur ing month April May June CD quarter-finals contest will provided program registration forms will able collect FAI stamps AMA membership contestant reg isters CD must check valid current AMA license FAI stamp collect $25 program entry fee fill out registration form Following quarter-finals CD will complete contest report names scores entrants regardless standing report will forwarded entry fees collect AMA Headquarters immediate ly upon completion contest Entry fees will used primarily team travel within US country World Championships apportionment AMA dues covers over-ocean travel contests will run strict accor dance FAI rules exception motorgliders excluded order ad vance semi-finals contestant must tain least 80% winning score after least three complete rounds fail first attempt may enter other quarter-finals contest try again qualify fly semi-finals may attend choose will six 10 scheduled various parts country will flown over first weekend July 1-3 follow ing weekend 8-9 contest given area may scheduled first week end second may scheduled second weekend Results semi-final contests will forwarded program chairman number contestants semi-finals contest eligible ad vance finals will determined accord ing following formula Number contests semi-finals x 36 Total number contestants semi-finals will notified eligible attend must notify finals CD plan attend Alternates will invited attend have qualified un able Finals competition will over Labor Day weekend least six rounds will flown top three fliers will com prise US team should unable attend first alternates finals will invited convention three members preceding team automatically quali fied enter finals Skip Miller Dale Nutter LeMon Payne may en ter no two quarter-finals semi-final payment entry fee However scores will used calculate else eligible advance competition site finals contest has yet de term ed will known until March 1978 World Championships will held AMA has made bid have US important thing now get team selection program squared away So want participate just follow pro cedure outlined above sure let know have scheduled quarter-finals contest have questions about program please feel free write ad dress Ray Marvin 2781 5 Garfield Denver CO 80210 names addresses Team Se lection Committee members follows may contacted information con cerning program District Dwight Holley 151 Chestnut Ridge Bethel CT 06801 District II Leon Pike RD 1 Lowman NY 14861 District Ill Dave Burt 180 5 8th St Apt 4 Indiana PA 15701 District IV Brian Foster 1757 Latonia Rd Winston Salem NC 271 07 District V Jim W Lenoir 6017 Ellington Rd NW Huntsville AL 35810 District VI John Nielsen 3744 Lake Wil mette IL 60091 District VII Warren Tiahrt 1086 Ashley Troy Ml 48098 District VIII Dale Nutter 7935 5 New Haven Tulsa OK 74136 District IX Skip Miller 655 Maxwell Ave Boulder CO 80302 District X Dave Thornburg 3635 Mt Vernon Rd Sebastopol CA 95472 District Xl Don Burt 4001 5 275th P1 Auburn WA 98002 FAI RULES CHANGES following new changed rules adopted FAI Committee Interna tional Aero Modeling ClAM its annual meeting December Paris AMA com petition purposes such new changed rules effective immediately January 11978 anticipated Control Line rules changes will applied 1978 CL World Championships Indoor Free Flight Collision Rule Reflights Add re commenced flight must flown before next official flight US proposal slightly modifiedbased principle reflights should made essentially same air conditions original flight Timing Add c time recorded mean two times registered timekeepers reduced nearest whole number seconds below resulting mean time New Beginners Class Provisional rules established based upon modified FF Subcommittee proposal class mon oplanes 460mm 1811 mum wing span 3 grams 1058 oz minimum model weight rubber motor 15 grams 0529 oz maximum rubber motor weight Microfilm covering excluded other covering material may used Only flights 60 seconds considered official steering prohibited otherwise rules same World Champion ships class Steering Authorized use 1978 Indoor World Championships new rules adopted 1975 have implementation delayed until 1979 rules shown 1976-77 AMA rule book Outdoor Free Flight Flight Procedure Starting positions line right angles prevalent wind indicated small poles respaced 7 10 meters 23-328 feet apart Fl A-2 Glider 4 5 meters 131-164 March1978 73 FAI Rules Cont feet Fl B Fl C Wakefield Rubber FAI Power A-i Towline Gliders New provisional rules approved providing maximum sur face area 18 sq din 279 sq mini mum weight 220 grams 776 oz maxi mum towline length 50 meters 164 feet five official flights having maximum flight time 120 seconds Other fact requirement timers use bi noculars World Championships appli cable A-i remaining A-2 rules also applicable A-i Note Due revi sions new National AMA Records start ed category January 1 1978 Control Line Speed Fuel Now requires 80% methanol 20% castor oil equivalent75/25 formula eliminated Diameter Control Lines clarification given minimum diameter 389mm anything over okay Line Spacing previous definition reworded expand restrictions against line linking No intentional twisting and/or linking two lines together shall per mitted point exit model control handle lines shall sep arated least 5mm 2 point exit model least 25mm 98 handle Timekeeping slight rewording ap proved provides competitor right repeat flight difference tween two times recorded greater 2/i 0th second CL Aerobatics Hand Signal Elimination US pro posal rejected 8 ii against Scoring US proposal accepted maneuver flown out sequence will scored Omitted maneuvers scored succeeding maneuvers considered sequence flown proper order relative remainder flight pat tern CL Team Racing Timekeepers Belgian proposal ac cepted replace previous paragraph 7a required two timekeepers two lap counters three timekeepers follows Three timekeepers assigned team stand outside flying circle near starting point model control charge timekeeping lap counting particular team Para graph 12b changed accordingly 1 2c referring lap counters deleted Duties Jury new paragraph has added section 13 c time penalty five seconds shall given team start ing engines before starting signal CL Combat Jury Guide Several US proposals clari fy description handle illus tration specify crepe paper streamer should have minimum weight 50 grams per sq meter referred CL Subcommittee further action Competitor following clarification added para 4 helpers maxi mum 6 other team members team manager must registered partici patingon no national team beginning competition through its close Method Scoring new item U.SSR added section 11 g whole second stay ground model shall penalized 1 point case model flyaway lines handle ground time shall com mence moment such flyaway Cancellation Flight new item sec tion 16 US Netherlands added releases controls model flight before has come complete stop landing Radio Control Aerobatics complete new set rules approved per text elsewhere issue some interesting special features Total weight now measured fuel no longer wing loading requirementonly maximum surface area Maneuvers now three groups pattern B pattern list extra maneuvers can used finals World Championships competi tion normally will two flights B patterns top 10% contestants top five whichever larger will choose 14 maneuvers among three groups fly two NEW NATIONAL RECORDS STARTED JANUARY 1 conclusion rules-change cy cle review made see what new categor ies have reached official status enabling flight performances considered National AMA Record purposes whether rules have changed other categories such flight performance potential consid ered reduced latter case also flights scored differently new rules fresh new records started effective date new rules New records thus started following flights made AMA sanctioned competition beginning January 11978 Indoor Ornithopter three age classes three ceiling heights Novice Pennyplane three age classes three ceiling heights Outdoor Free Flight Electric Power three age classes A-i Towline Glider three age classes Category Ill same events Cat II three age classes Class C FF Power three age classes Cate gories 111 Ill Class D FF Power three age classes Cate gories 111 Ill Ornithopter three age classes Categories land Ill Control Line Junior B Proto Speed Senior AA B C Speed Profile Proto B Proto Speed Open D Speed 1AA Profile Proto B Proto Speed Note 1AA Proto full fuselage event eliminated flights finals contests other World Championships fixed schedule using same maneuvers may provid ed idea simplifying Contest Direc tor judging problems eliminating pilots choice maneuvers Noise Measurement Based US ex perience 1977 World Championships Springfield OH Aerobatics Subcommit tee will restudy silencer requirements view toward simplifying improving requirements application 1979 World Championships RC Pylon Racing previous official rules changed provisional status could exper imented easilywith goal finding universally acceptable model Continued page 78 FAI ClAM TECHNICAL MEETINGS list took part 1977 annual ClAM meetings Paris reads like Whos International Model Aviation Because stature people strongly influence trends progress activity therefore im portant AMA well represented meetingsso among lead ers rather followers four basic aeromodeling tech nical meetings Parisgatherings techni cal experts countries meet ings produced recommendations 29 voting delegates per country final say FAI rules changes meet ings took part Control Line Laird Jackson USA E Rumpel W Germany M Souliac France Y Sirotkin USSR Aarts Netherlands J Magne France R Beck Hungary Free Flight P Allnutt Canada P Chausse bourg France George Xenakis USA E Krill AustriaA Oschatz E GermanyC Sundstedt Sweden Abaunza Mexico G Burford Australia Kaynes United Kingdom M Dilly New Zealand M EI-Azizi Egypt V Sreckovic Yugoslavia W Koelliker Switzer land Scale H K Ziegler Switzerland D E Thumpston United Kingdom E Sharp Can ada Y Sirotkin USSR JP Jensen Denmark Bob Wischer USA Aarts Netherlands C Sundstedt Sweden J Reggiori France Beaufils France Radio Control Chris Olsen United King dom Jean-Claude Rey France Andre Beaufils France Georghiou Charalambos Cyprus Luigi Bovo Italy Warren Hitchcox Canada Ted Sharp Canada John Clemens USA Don Lowe USA Don Mackenzie So Africa Joe Dible Ireland Jean Ganier France John Burkam USA Adam Sattler USA John Worth USA Peter Blommaart Belgium Narve Jensen Norway Ottar Stensbol Norway Jens Jensen Denmark Werner Groth W Ger Werner Koelliker Switzerland Camille Gerard Luxembourg Axel Tigerstedt Fin land Geoff Dallimar United Kingdom Note RC Committee uses separate subcommittees Aerobatics Pylon Racing Thermal Soaring Helicopters 1978 new RC subcommittee added ElectraFlight electric motor powered models 74 Model Aviation FAI RC AEROBATIC POWER MODELS F3A AS ADOPTED DECEMBER 1977 1 Definition Radio Controlled Power Model Model Aircraft aerodynamic ally maneuvered control surfaces atti tude direction altitude pilot ground using radio control 2 Prefabrication Model Permitted model aircraft assembled com petitor prefabricated parts competitor installs equipment permitted models completely pre fabricated require few minutes unskilled effort completion com plete ready-to-fly models have built person other pilot 3 General Characteristics Radio Con trolled Power Models Maximum surface area St 150 din2 2325 sq Maximum tal weight fuel 5 kg 11023 lbs Maximum swept volume motors 10 cm3 61 cu maximum noise level method measuring stated Annex 4 Number Helpers pilot allowed helper during flight Two helpers may present during starting motor 5 Number Flights competitor has right four official flights 6 Definition Attempt tempt a when pilot announces take-off maneuver b when model fails commence take-off maneuver within three minutes allowed competitor c if motor stops after pilot has nounced start take-off before model airborne may started within 3-minute period However no points will awarded subsequent take-off ma neu ver 7 Number Attempts competitor entitled attempt official flight NB An attempt can repeated discretion Jury un foreseen reason outside control competitor model fails make start ie radio interference 8 Definition Official Flight official flight attempt made what ever result 9 Marking maneuver may awarded marks between 0 10 judges during flight marks multiplied coefficient varies difficul ty maneuver Any maneuver com pleted should scored 0 maneuvers must performed plane height will allow seen clearly judges approximately 60 degrees vertical ly 90 degrees horizontally non-ob servance rule will heavily penalized loss points model opinion judges unsafe being flown unsafe manner may instruct pilot land 1OClassification See Annex 11Judging World Championships a the organizer must appoint panel least three judges flight judges shall preferably different nationalities elected list persons approved National Aero Clubs ClAM specific system employed World Championship must stated ad vance organizers must have ap proval ClAM ClAM Bureau b shall judges briefing training flights before WC 12Organization RC Aerobatic Contests transmitters contest site must checked placed compound kept under observation During contest Stewards must control transmit ter compounds will issue transmitter competitor name called make flight As soon competitor has made official flight competitor will immediately return transmitter Steward Any unauthorized transmissions during period contest will result auto matic exclusion offe,der en tire contest render him liable further penalties During flight competitor must stay proximity judges under supervision Course Steward order starting various coun tries will established means draw before start contest compatible transmitter frequencies Competitors must called least five minutes before required occupy starting area Once competitor has given per mission start may delay no longer minute before attempting start motor timer will notify competitor minute finished immediately start timing 3-minute starting time organizer must provide adequate radio monitor purpose detecting radio interference means communi cating information pilot NEW FM PA1TERN RULES AFFECT ON AMA EXPERT AND MASTER CLASSES Its too soon fully assess what effect new FAI RC Aerobatics rules will have AMA Expert Master classesbut some al ready have expressed opinion new FAI World Championships system two flights pattern two flights other pattern additional two flights top fliers third pattern will compatible typical US contests Fur thermore theres aspect RC Con test Board pre-existing FAI pattern mind voted Ex pert Class would fly FAI pattern just same Master Class fliers will go unclear written late December Among possibilities might considered ever return Expert pattern Expert Class fliers and/or creation single composite pattern both Expert Master fliers Any action RC Contest Board will reported earliest possible time 13Scliedule Maneuvers RC Aerobatic Power Models maneuvers must execu ted during uninterrupted flight order listed time model passes front judges maneuver must executed except after take-off before landing case pass may made maneuver being performed recommended pilot helper should vocally indicate judges pilot about execute maneuver competitor may make attempt maneuver during flight pilot has three minutes start motor 10 min utes complete flight 10 minutes start competitor attempts start motor NB pass made model flies over line perpendicular center judges schedule maneuvers given An nex B descriptions maneuvers Annex C ANNEX 3 Noise Measurement defined ClAM RC Subcommittee 1OClassification competitor will have four flights two Schedule two Schedule B best scores schedule will added together determine team placings top 10% first five competitors will compete fi nal determine individual winner final will consist two flights com petitor best will added previous score determine winner final schedule will chosen competi tor complete list maneuvers Only 14 different maneuvers may selected cluding take-off landing give maxi mum total score 450 points Only Figure M may included ANNEX B Schedule Ta ke-Off Double Immelmann Three Reverse Inside Loops Rolling Eight Slow Roll Top Hat Horizontal Eight Figure M /4 Rolls Three Outside Loops Three-Turn Spin Three Horizontal Rolls Landing Total x 10 ctor 2 3 2 3 3 2 5 2 2 3 290 K Factor 2 2 2 2 2 4 3 3 5 2 290 March 1978 75 Schedule B Take Off Reverse Double Immelmann Cuban Eight Three Inside Loops Straight Inverted Vertical Eight Four-Point Roll Three Reverse Outside Loops Two Rolls Opposite Directions Figure M /4 Rolls Cobra Roll Landing Total x 10 Pattern Rules Cont List Extra Maneuvers FinalsK Factor Avalanche3 Inverted Spin3 Square Horizontal Eight4 Eight-Point Roll4 Vertical Roll3 Aileron Turn3 Figure M3 Square Loop Four Rolls5 Two Snap Rolls Opposite Directions5 Reverse Knife Edge4 Inverted Top Hat4 Reverse Cuban Eight2 Reverse Point Roll4 Triangle Rolling Loop4 ANNEX C DESCRIPTIONS OF MANEUVERS maneuvers will start finish straight level flight have same altitude heading entry exit unless otherwise stated maneuvers will downgraded start finish straight level altitude heading same exit entry maneuvers have loop shall have loops same diameter similarly maneuvers have roll shall have rolls same roll rate consecutive rolls shall same alti tude Take-Off model must stand still ground motor running ing held must take off take-off run should straight model lift gently ground climb gradual angle take-off completed model approximately two meters 6% feet ground Downgrades 1 Model does stand still released 2 Changes heading during take-off climb 3 Model jumps ground 4 Retouches ground after becoming air borne 5 Too steep climb angle 6 Gallops elevation during climb 7 Wings level time Double lmmelmann Model pulls upintoa half inside loop half rolls upright flies straight level approximately second does half outside loop half rolls level flight Downgrades 1 Half loops deviate left right 2 Half rolls immediately after half loops 3 Half rolls deviate left right 4 Model pauses second fore half outside loop 5 Half loops same altitude Three Reverse Inside Loops Model half rolls level flight pauses approximately second does three consecutive side loops downward flies approximately second inverted half rolls upright loops should round superimposed Downgrades 1 Changes heading during half rolls 2 Loops round 3 Loops superimposed 4 Wings level during loops 5 Changes heading during loops Rolling Eight Model pulls upfrom level flight completes inside loop bottom exe cutes half roll makes second inside loop directly under first half rolls back level flight Downgrades 1 Loopsnotround 2 Second loop directly under first 3 Model level start finish half rolls 4 Changes heading during loops rolls 5 Wings level during loops Slow Roll Model rolls slowly through complete revolution either direction ma neuver takes approximately five seconds Downgrades 1 Changes heading 2 Changes altitude 3 Roll rate constant 4 Model does roll exactly 360 degrees 5 Roll takes less 4 6 se conds Top Hat Model pulls up vertical atti tude pauses makes half roll pauses pulls over inverted flight short period pulls down pauses makes half roll pauses re covers level flight Downgrades 1 Model vertical before starting fin ishing rolls 2 Rolls exactly 180 degrees 3 Model does fly straight level verted 4 Vertical horizontal legs same length 5 Rolls same length 6 Changes heading during maneuver Horizontal Eight Model pulls up com pletes % inside loop vertical posi tion does complete outside loop vertical position again recovers doing /4 inside loop Downgrades 1 Loops round 2 Model vertical crossover point 3 Changes heading during loops 4 Loops same diameter 5 Loops same altitude 6 Model does crossover same point Figure M Rolls Model pulls up vertical attitude executes /4 roll stall turns through 180 degrees turns again same direction first roll does out side loop vertical attitude again rolls same direction first two does verted stall turn through 180 degrees /4 rolls same direction other three recovers level flight Viewed side model executes figure M Downgrades 1 Model vertical start finish rolls stall turns 2 Stall turns 180 degrees 3 /4 rolls exactly 90 degrees 4 Bottom outside loop level en try 5 Changes heading during outside loop rolls 6 Stall turns same altitude Three Outside Loops Model pushes over executes three consecutive outside loops loops should round superimposed Downgrades 1 Loops round 2 Loops supsrimposed 3 Wings level during loops 4 Changes heading during loops Three-Turn Spin model establishes heading power reduced model held slightly nose high attitude until stalls commences spin model will autorate through three complete turns recover same heading different alti tude Downgrades 1 Entry level 2 Does make three turns less two four score zero 3 Does finish same heading 4 Wings level during recovery 5 Spiral dive scores zero Three Horizontal Rolls Model rolls uni form rate through three complete revolutions either direction maneuver takes approxi mately five seconds Downgrades 1 Changes heading during rolls 2 Changes altitude during rolls 3 Roll rate constant 4 Model does exactly three rolls 5 Maneuver takes less 4 6 seconds Reverse Double Immelmann Model pushes over executes outside loop followed immediately roll pauses approxi mately second does /2 loop immed iately rolls level flight Downgrades 1 Changes heading during /2 loops rolls 2 A rolls immediately after loops 3 Model pauses second fore inside loop 4 A loops same altitude Cuban Eight Model pulls up executes inside loop 45 degrees inverted mod el does half roll followed another inside loop again 45 degrees inverted model does another half roll recovers level flight Downgrades 1 Loops round same size 2 Model 45 degrees before commence ment rolls 3 Changes heading loops rolls 4 Rolls cross over same point Three Inside Loops Model pulls up exe cutes three consecutive loops loops should round superimposed Downgrades 1 Loopsnotround 2 Loops superimposed 3 Wings level during ioops 4 Changes heading during loops Straight Inverted Flight Model half rolls inverted flies straight level inverted minimum four seconds half rolls back level flight half rolls may either direction Downgrades 1 A rolls level 2 Inverted flight straight level 3 Changes heading during rolls verted flight 4 Inverted flight less three five seconds Vertical Eight Model pulls up executes complete inside loop bottom pushes over completes outside loop directly under inside loop Downgrades 1 Loops round same diameter 2 Changes heading during loops 3 Wings level during loops 4 Outside loop directly under inside loop Four-Point Roll Model rolls through 360 de grees hesitating 90 degree point hesitation wings parallel vertical horizon maneuver takes approximately five seconds Downgrades 1 4 rolls less 90 degress 2 Model does hesitate after roll 3 Roll rate constant 4 Roll takes less 4 6 se conds 5 Changes altitude Three Reverse Outside Loops Model half rolls inverted pauses approximately se 76 Model Aviation cond pushes up execute three consecu tive outside loops pauses approximately second half rolls level flight loops round superimposed Down grades 1 Loops round 2 Loops superimposed 3 Changes heading during loops rolls 4 Wings level during loops 5 Model pauses second fore after loops Two Rolls Opposite Directions Model rolls 360 degrees either direction immedi ately after rolls 360 degrees opposite direction rolls take approximately five se conds Downgrades 1 Changes heading 2 Changes altitude 3 Roll rate constant 4 Rolls exactly 360 degrees 5 Second roll does start immediately after first roll 6 Rolls take less 4 6 se conds Figure M V2 Rolls Model pulls up vertical attitude performs roll stall turn through 180 degrees another roll exe cutes half inverted loop followed third /2 roll second stall turn fourth roll recovering level flight rolls may direction stall turns must opposite directions Viewed side model executes figure M Downgrades 1 Model vertical start finish rolls stall turns 2 Stall turns exactly 180 degrees 3 / rolls exactly 180 degrees 4 Bottom outside loop level entry 5 Changes heading during outside loop rolls Cobra Roll Model pulls up 45 degree angle half rolls inverted attitude executes loop half rolls upright attitude re covers level flight Downgrades 1 Initial climb 45 degrees 2 Rolls 180 degrees 3 A loop 90 degrees 4 Descent 45 degrees 5 Changes heading during rolls loop Landing model flares smoothly touch ground within landing circle no bouncing changes heading rolls stop Landing maneuver will start two meters 6A feet ground Downgrades 1 Model impacts ground due lack flare 2 Model bounces after touchdown 3 Wings level 4 Changes heading 5 If model ends its back zero points 6 Model lands outside 30 meter circle 7 If undercarriage leg retracts land ing zero points Avalanche Model pulls up completes half loop top executes complete snap roll~ recovers does another half loop finish level flight Downgrades 1 Loopnotround 2 Changes heading during loop 3 Wings level during loop 4 Snap roll 360 degrees 5 Roll snap roll Inverted Spin Model establishes heading half rolls inverted power reduced model held nose high attitude until stalls commences spin model will autorotate through three complete turns recover same heading different al titude half rolls upright position Downgrades 1 A rolls level 2 A rolls 180 degrees 3 Wings level during entry exit 4 Spiral dive scores zero 5 Does finish same heading 6 Does make three turns less two four score zero Square Horizontal Eight Model pulls up executes square loop bottom third leg does complete square out side loop behind inside loop model should rotate sharply corner straight paths should least 20 meters 65A feet long Downgrades 1 Loops square 2 Vertical downward paths coincide 3 Loops same size 4 Changes heading 5 Wings level 6 Loops same altitude 7 Sides squares same size Eight-Point Roll Model rolls through 360 de grees hesitating 45-degree point wings should parallel vertical 45 de grees horizon maneuvers take ap proximately 5 seconds Downgrades 1 1/8 rolls less 45 degrees 2 Model does hesitate after 45 de grees 3 Roll rate constant 4 Roll takes less 4 6 se conds Vertical Roll Model pulls up executes 360 degree roll vertically upward pushes over finish level flight Downgrades 1 Model vertical start finish roll 2 Roll exactly 360 degrees 3 Roll vertical 4 RoIl rate constant Aileron Turn Model pushes over executes 360-degree roll vertically downward re covers finish level flight Downgrades 1 Model vertical start finish roll 2 Roll exactly 360 degrees 3 Roll vertical 4 Roll rate constant Figure M Model pulls up vertical atti tude executes 180-degree stall turn either direction does outside loop again executes stall turn opposite direction recovers level flight Downgrades 1 Model vertical before after stall turns 2 Stall turns 180 degrees 3 Climbing diving paths parallel 4 Bottom outside loop different alti tude entry 5 Altitude second stall turn different first Square Loop Rolls Model pulls up completes square loop side model executes roll Downgrades 1 Loop square 2 Rolls 180 degrees 3 Wings level during loops 4 Changes heading during rolls loops 5 Sides square equal length Two Snap Rolls Opposite Directions Model snap rolls through 360 degrees recovers immediately snap rolls opposite di rection recovers level flight Downgrades 1Rolls 360 degrees 2Rolls snap rolls 3Changes heading 4Changes altitude Reverse Cuban Eight Model pulls up 45 degree climb half rolls executes % loop half rolls inverted loops back level flight same point entry Downgrades 1 Loops round same size 2 Model 45 degrees commence ment rolls 3 Changes heading during loops rolls Reverse Top Hat Model pushes vertical downward attitude half rolls loops level inverted flight flies inverted same distance downward path loops upward vertical attitude half rolls pushes over level flight Downgrades 1 Model vertical start finish half rolls 2 Rolls exactly 180 degrees 3 Model does fly straight level verted 4 Vertical horizontal legs approxi mately same length 5 Rolls same length rate 6 Changes heading during maneuver Reverse Point Roll Model rolls through 270 degrees hesitating 90-degree point rolls 270 degrees opposite direction hesitating 90-degree point finish level flight Maneuver takes approximately 5 seconds Downgrades 1 A rolls less 90 degrees 2 Model does hesitate 90-degree point 3 Roll rate constant 4 Roll takes less 4 6 se conds Triangle Rolling Loop Model pulls up 45-degree climb holds attitude ap proximately second loops through 135 degrees does complete roll loops through 135 degrees holds attitude approxi mately second recovers level flight same point maneuver started climbing descending portions should same length Downgrades 1 Climbing descending paths 45 degrees 2 Climbing descending paths same length 3 Roll 360 degrees 4 Model changes heading during loops roll 5 Model does start finish maneu ver same point * If initial entry spin smooth spin itself jerky uncertain reason downgrading indication spin true spin spiral dive dicated its smoothness increasing air speed during spin airspeed does crease appreciably ** A snap roll auto rotation horizon tal axis plane rails very rapidly nose-high attitude plane rolls along its axis snap roll SAFE FLYING IS NO ACCIDENT March 1978 77 FAI Rules Continued page 74 specifications racing procedures noted very unusual develop ment apparently necessary due widespread disagreement about rules among countries involved Pylon Racing reversion provisional status FAI World Championships Pylon Racing will possible until printing next Sporting Code after 1979 edition probably means 1984 earliest meantime interested return World Championships status RC Pylon rules will need help develop international agreement such rules over next four years including participation international contests using FAI provisional rules either rules presently exist may modified during next few years Provi sional status allows rules open change annual basis Adam Sattler chairman RC Pylon Racing Subcommittee coordinator APPROVED DECEMBER 1977 1 Premise utmost importance model fliers observe first safety rules Any accident caused careless ness hindrance progress model aviation safety rules obstacle enjoyment model flying guidelines established prove model fliers responsible people proclaim sign intelligence show ones own skill among spectators flier may know what doing has no way knowing what anyone else will So personal benefit make certain no action part will result accident therefore very important fly model aircraft competition pres ence spectators until has proven air worthy having previously flight tested 2 Competency Safety following ficials competent apply enforce safety rules Jury - the Contest Judges - the Contest Director - the Circle Marshalls - the Timekeepers - the Processing Officials - the Leaders Organization 3 Regulations Concerning Models Parts Prohibited a metal-bladed rotors b knife-edge leading edges main tail rotor blades c non-shock-mounted radio equip ment d ballast heavy part subject jettison ing Recommended a Blade attachment single through bolt self-locking nut allows blade lead lag hits something thus prolonging blade life b model should bear sticker listing modelers name address phone num ber c Radio antenna should restrained such manner eliminate chance its entanglement moving rotating part helicopter effort revive FAI activity cat egory Anyone interested should contact Adam Sattler 80 Rand Rd Apt A-2 Schenec tady NY 12309 RC Thermal Soaring General designation F3B now applies RC Thermal Soaring Gliders F3F has added RC Slope Soaring Gliders F3G has added RC Pow ered Gliders Both F3F F3G allow two models entered model specification certificate required entries international events must bear signed affidavit entrant has complied spirit rule 13 pertaining prefabrication Attempts Official Flight Section 16 completely replaced including title following 16 Attempts Official Flight 1 Attempts task during working time allocated him competitor entitled unlimited number attempts 4 Pre-flight Checks Before flight modeler should make following checks a Be certain frequency being em ployed clear properly authorized use modeler large groups modelers fly together system identifica tion frequencies should established b Test good functioning controls engine stopped c Test good functioning controls engine running strongly rec ommended model held hand tail boom checking blade tracking control functioning trim can done model sitting ground weights landing skids desired model held overhead both skids helper should done safe distance 110 ml other people helicopters pit area d Models should run-up free hov ered test flown pit area clear area least 30 meters square e Models should flown pres ence spectators until have prop erly tested proven airworthy 5 Flight Procedures Before during flight pilot should observe following a The helicopter should carried flown taxied ready box takeoff pad b Do fly toward over spectators pit parking area such manner malfunction could cause model crash spectators c Do fly solo presence spec tators until qualified flier judged experienced helper d At sign malfunction land quickly possible 6 Flying Sites flying site should large enough provide minimum about 200 meters 100 meters clear space containing no buildings people highways b At flying sites within 5 miles 8 Kml airports models shall flown higher 400 feet permission air port operator tasks B C after release towhook after model has crossed base repeat first time flying di rection base base B no further tempt permitted b competitor entitled new working time period end round model launching cable collides another model flight person being launched strikes another launching cable Should flight continue normal manner competitor may de mand flight accepted official demand made end flight flight has judged fault judges timekeepers case unexpected event duly witnessed official judges timekeep ers flight has hindered aborted 2 Official Flight official flight last flight performed during working time Cancellation Flight Disqualification Paragraph modified call annul ling flight competitor used model line launching device conforming FAI rules new paragraph e added case hand pulley towing launching device except launching cable must thrown competitor under penalty cancellation flight Distance Task new rules adopted December 1976 FAI applicability 1979 providing man-on-man concept distance task rescinded move re duce element luck rule 24b mod ified allow scoring up maximum 12 laps simplify course layout well scoring course rule 24e divided four fractions instead 10 previous Organization Starts Add 18 separate draw shall held round Organization Contests Add 19 No sighting apparatus should placed within minimum distance 3 meters limits thf course Alternating Tasks new rule increases importance duration task relative distance speed 21i amend combination read combina tion Task other task constitutes round minimum 2 rounds must flown tasks B C alternating round Any single round . Rule 27 modified accordingly round total score complied adding partial score either B C competitor Speed Task Change 25a 4 minutes 5 motorgllders completion task Under 22 Launching paragraph f added speed task flight annulled model crosses line during its timed flight Motorgliders Rule 21ii changed read organizer can establish whether radio controlled gliders Auxiliary Power RC Motorgilder enter same contest unpowered gliders have separate classifi cation system classification must announced propositions con test Classification Paragraphs b c 28 eliminatedreplaced results achieved competitor rounds will determine position final classifica tion order decide winner tie task C speed repeated 78 Model Aviation FAI SAFETY CODE FOR RC HELICOPTERS RC Helicopters current ruies CN section April 1977 issue remain provisional blended RC Helicopter Subcommittee rules changes proposed West Germany presented December 1978 ClAM meeting approval new combination meantime approved change current K-factors through di viding 5so 15 10 S become 3 2 1 Also new Safety Code RC Heli copters approved see elsewhere sue RC Electroflight new set provisional rules approved replace previously effect new rules have tested European competi tion 1977 considered prac tical improvement over previous provision al rules new provisional rules else issue Scale RC Maximum Weight Rule 31 changed 5 kg 11 lbs 6 kg 13 lbs 36 ozs fuel including dum pilot Definition Scale Models further de fine permissible models agreed change 11 such aircraft has air borne acceptable subject meaning designs built never flown acceptable RC Quality Landing landing circle used rule 3712 25 meters 49 diameter factor K9 landing within circle factor K4 land ing outside circle Judging Agreement judges Guide General following sentence de leted because impracticality applied maneuvers desirable principle judges conferring agree realism flight scoring applied flight maneuvers order avoid large dis crepancies between individual judges marks Future Rules changes FAI Scale Rules will frozen until end 1982 except ratio between subheadings sta tic scoring complexity headings may changed provided total K-factors section changed Static Judging Points Rule 15 previously said fractions tenths point could used tenths now has deleted Proof Scale Add 94b Color drawings authentic sources eg Pro file type publications including three views acceptable proof color mark ings Also proof tbe cruising speed must supplied Judging Fidelity Scale crafts manship Separate judging fidelity scale craftsmanship complexity have elim inated Instead approved modify 110 follows provide combined scoring fi delity scale craftsmanship com plexity bonus handled separately Fidelity Scale craftsmanship 1 Fuselage 2 Wing equivalent 3 Tail surface equivalent empennage 4 Landing gear 5 Propulsion units 6 Cockpit cabin detail 7 Finish color markings pecial ingenuity complexity Bonus new section has added heading following rules order compensate models com plex prototypes inherent disadvan tages flight following bonuses shall awarded form percentage total flight score Wings Monoplane Biplane single bay Biplane double bay lane Quadruplane Engines Single Twin Engines Three Engines Four Engines Above four Undercarriage Fixed tricycle0 Fixed conventional bicycle monowheel5 Retractable tricycle Retractable conventional General Pre-1914 design10 Notes order qualify multiple engine bonus power ratio engines must per prototype engines must operate Judges shall decide upon appropriate percent bonuses applied flight score model during static scoring procedure Other paragraphs rules necessary revised accommodate combined scoring fidelity scale workmanship judging separate application complexity bonus Realism Flight CL RC 272 3710 following footnote has added scale model cruis ing speed prototype must stated flight scoring form Discrepancies Documentation Add judges Guide discrepancy measurements due scaling up drawing stated basic dimensions should prevail discrepancy between drawings stated basic dimen sions latter should prevail Measurement Tolerances Judges Guide tolerances 03% measurement fuselage wing have eliminated RC Taxi Present 371a has elimi nated replaced three sub-paragraphs according landing gear type follows aa Models aircraft using two-wheel landing gear tail skid two-wheel gear non-steerable tail wheel other gear config urations allowing steering will taxi ward wind distance up 15m slow down near stop stop come airborne realistic manner ab Models aircraft using two-wheel landing gear steerable tail wheel will taxi forward wind downwind contestant prefers distance up 1 Sm K1 0 using 5 turn visibility taxiing procedure slow down near stop stop depending K9on whether prototype equipped K9with brakes become airborne - K8realistic manner odels aircraft equipped K1 1steerable tricycle landing gear will taxi down- -K4wind least 1 Sm stop turn least 120 de grees wind become airborne realistic manner Errors Model does stand still unassist ed before commencirg taxi Model does follow prescribed course Model does halt before taking off prototype brakes Model taxies too fast Model does taxi manner prototype % Bonus Downgrading Ready-Made compo 0 nents Craftsmanship Judging last sen tence changed read marks 10 other commercial items should graded least 50% unless has 20been considerable degree reworking FF Scale rules provi sional since 1971without evidence in0 ternational use have dropped New rules 10 may proposed time future 15 RC Scale Gliders As per F F Scale 20 provisional rules have used 25 internationally since adopted 1972 have dropped World Records RC Glider Speed Straight-Line course 10 Special conditions RC Gliders have 10 eliminated future RC Gliders must use same base altitude require ments RC Power models primary pur pose lengthen RC Glider base has become especially important due high speeds being attained Automatic Timing speed records straight line following new rule has added speeds above 300 km/hr 1864 mph manual actuation timing devices permitted Only automatic means tim ing eliminate human error factor permitted must certified accurate within 1/100 second c closed course Speed Records Ap proved new record categories Power models Gliders separately per fol lowing rules Base course consists square de fined four prominently colored pylons poles set 200m 6562 apart 90-degree angle other situated flat land land minimum fall exceed 1 meter 200m within 1 km course An upright pole 20 meters 657 cor ner square extension line drawn between two pylons side square will establish Starting/Finish Line Four judges will situated immediately under pylon will raise red flag signal lights model infringes side space bounded poles Note essential accurate speed measurement poles absolutely ver tical order prevent course length differ ence altitude RC Gliders must free launching cable specified 725 prior crossing Start/Finish Line Models land prior completion four legs course intrude forbidden airspace except after timing completed disqualified flight void no altitude restric tion prohibition against circling thermals outside course Timing begins model crosses Start/Finish Line ends model completes course again crosses Start/Finish Line still airborne intermediate landing within 30 minutes launch Availability Record Data ClAM voted unanimously recommendation CASI March 1978 79 FAI Rules Cont appropriate high FAI authority photocopies record dossiers available upon request national aero club fee cost plus 10% World Championships 1978 Control Line Speed Team Race Aeroba tics Combat plus Control Line Radio Control Scale approved August 4-10 Woodvale England near Liverpool Indoor bid Romania ac cepted because required guarantee FM South Africa allowed participate condition allowed However ClAM president empowered see condition would removedon assurance South African delegate no team country would partici pate matter left hanging ClAM president advise countries end January whether Romanla some other country would host event Note press time both England US considering possibility offering host neither good position Spacemodels model rockets Bulgaria approved host early Septem ber probable date 1979 RC Aerobatics Approved South Africa probably September Note An expected offer Mexico did materialize dele gate Mexico present no information regarding offer host RC Soaring Offers US Bel gium noted Both countries sub mit firm details offers ClAM Bureau officers meeting Paris March 31 Bureau will decide offer will prevail AMA currently working National Soaring Society SOAR group Chicago view toward holding event city Free Flight firm offer Yugoslavia approved site European Championships held end May early June Note site said five kilometers square 1980 Control Line Speed Team Race Aeroba tics Combat firm offer Belgium approved Radio Control Control Line Scale firm offer Canada approved held Ottawa RC ELECTRO-POWERED MODELS F3E PROVISIONALAS ADOPTED DECEMBER 1977 Definition RC Electro-Powered Models Model aircraft lift generated aerodynamic forces acting surfaces remain ing fixed during flight except control sur faces performs maneuvers con trolled pilot ground using radio control connection propulsion model effected fixed foldable propel lers driven electric motor can regulated during flight power-pack electric motor must have fixed connection ground another model air Recharging power-pack solarcells permitted during flight Prefabrication Model Permitted plane assembled builder prefabricated parts builder installs equipment Permitted Models com pletely prefabricated require few minutes unskilled efforts completion complete ready-to-fly models have built person other pilot General Characteristics RC Electro-Powered Models Maximum surface area 150 sq dm 2325 sq Maximum total weight 5 kg 11 lbs Maximum loading 75 gr/sq dm 2457 oz/sq ft Minimum loading 12 gr/sq dm 395 oz/sq ft Number Helpers pilot permitted helper Number Flights competitor class has right three official flights two best flights shall counted Take-Off Take-off must executed either two manners described hereafter change type take-off during contest may allowed contest director whole round Take-off ground hand-launchingWhen hand-launching competitor helper have ground hand-launch model use starting devices Definition Attempt attempt a the pilot announces take-off b model taxies case take-off ground c pilot releases model case hand-launching dl model fails start within five minutes allowed Number Attempts competitor al lowed attempt official flight Exceptions An attempt may re peated organizers judges discretion reason outside control competitor organizer model unable take-off Definition Official Flight official flight attempt made what ever result repetition official flight permitted take-off possible possible due time safety reasons b competitorit has proved cannot perform flight due outside inter ference no scoring made reasons outside control competitor such cases take-off may repeated im mediately after fruitless attempt take off after personal report contest manager during same round out round Marking maneuver round will awarded points Scoring flights starts model released case hand-launch ing b model starts taxi ground Scoring flights ends a model fails start within allowed time b model touches ground ob struction connected ground c lettisoning occurs dl official flight completed No scoring will made following rea sons a when model used already anoth er competitor same contest model accordance general rules characteristics class b model started permission wrong starting sequence c competitor fails return transmit ter flight completed case un authorized use transmitter during flights dl pilot fails release model starting point employs two helpers e pick up transmitter before second call made commencing take-off before called fI entering starting area before second call made switching transmitter before nouncement gI pilot fails take-off within allowed time three minutes officially called hI repetition start permission I starting manner allowed particular category ii hand-launching effected ground using take-off devices k pilot moves away take-off area does operate transmitter himself I model leaves flying space maneuvers cannotbe seen judges Classification final classification will determined aggregate sum two best flights case tie first place final result will established fly-off Any fly-off must take place within hour normal finishing time contest No attempts permitted results fly-off shall count establishment title such World Champion prizes awarded Judging a The organizer must appoint panel least three judges official flight judges shall preferably different na tionalities elected list per sons approved National Aero Clubs ClAM rotation system equivalent system may used provided judge will score contestant equal number times specific system employed World Championship must stated ad vance organizers must have prior approval ClAM ClAM Bureau b There shall training flights judges briefing before after held immediately before World Cham pionship Organization RC Electro-Flight Contests transmitters used contest must checked placed compound kept under observation During con test steward must control trans mitter compound will issue transmit ter competitor name called standby flight As soon attempt has ended competitor must im mediately return transmitter steward transmitter compound unauthor ized transmissions during contest will re sult automatic disqualification offen der entire contest render him li able further penalties order starting 80 Model Aviation no scoring 2 various countries competitors will established means draw before start contest Competitors must called least five minutes before required occupy starting area organizer must provide radio-monitor purpose detecting possible interferences Suggested Schedule Maneuvers F3E Spe cial Out 14 maneuvers listed below six must chosen flown competitor sequence maneuvers has laid down writing valid rounds Take-off ground permitted scoring provided another maneuver replacing schedule has completed within time max 5 minutes counting se cond official call Maneuvers 0Hand-launching 1Take-off ground 2Two inside loops 3Two outside loops3 4Double lmmelmann2 5Turn1 6Spinthree turns2 7Cuban Eight3 8Running Eight starting down ight starting middle2 10Three horizontal rolls2 11 Four-point roll3 12SIQw roll mm 4 sec3 13 Approach rectangular four legs aLanding 30 m circle1 14bLanding 15 m circle2 Suggested Schedule Maneuvers F3E Junior Models two axes radio control steering Engine running radio-controlled Landing aids schedule has completed within time 5 minutes counting second official call After launching hand following ma neuvers have flown given order Coefficient Maneuvers 1Two outside loops3 2Turn2 3Inverted flight starting ending Ia loop2 4Spintwo turns2 5Approach2 6a Landing 3Gm circle1 6b Landing 15 m circle2 Schedule Maneuvers Electro-Motorgliders two turnlines distance 150 meters middle distance shall gate Gate two poles 3 m high dis tance 20 m turnline shall timekeeper flagman model running engine handlaunched Time release taken timekeeper first task pilot has total flight-time 200 sec has decide much will use climb much gliding competitor has shut tle between two turnlines often pos sible gliding turnilnes have over flown time full leg com petitor given 10 points Restarting en gine before expiration 200 sec termi nates scoring does expiration 200 sec After task competitor has fly again through gate soon possible passing gate timekeeper No 2 takes time flying through gate proper altitude means between two poles lower top 10 points grant ed After passage through gate climb starts delay Now total time climb gliding will 300 sec Again up competitor decide much time will use climb much gliding second gliding time competi tor given point second over 300 sec total flight time point shall deducted important gliding time taken motor cut gliding time ends motor restarted Lee Hines Costa Mesa CA holds own design Ulti max A-2 Towline Glider set Open age class national record December 18 1976 rec ord still stands 53 Coefficient minutes 46 seconds comprised 12 maxes last five progressively aeasing times increments minute 13th flight 148 seconds record set Elsinore CA Record Trials organ ized Sky Hoppers Orange County very super special dayforfly ing Free Flight Hines said Ultimax features wing 15181 aspect-ratio CH-407 airfoil modified per Crowley/Klintworth undercambered stab airfoil 7% thickness Covered Japanese tissue model also Seelig de thermalizer timer Czech cir cle tow hook NFFS fiber glass tail boom CONTEST COORDINATORS I Pad L Penney S Chalorta AndOne, MA 01810 II R SobrinO 87-26 88th St. Woodlsanen Oseens NY 11421 Bc Bryan Sattlar 29 Waldorf P1. Schesecnfdy NY 12307 5c Frei Rlackborn6 Bloe8psoce Ln Cotsnack LINY 1172S III Ken Raber Rd 1 Naaareth PA 18064 lEash M Wesanbach 4585 W 148s1s St. cleneland OH 44135 West Rc J Slaver 809 Forest Rose Ave. Lonter OH 43130 West V Warren sanders Jr 9735 52nd Ave College Pk MO 20741 Sc J Lawrence 12538 Ffoodstock Dr. upees Marlboro MD 20870 V Sen Cleveland 708 Coontry dab Tollatonsa TN 37388 RC J Oasis Jr18135 Lakeshore eirsnngnaatAL35216 RC Ctsarlene Fields 818 Main St Ness Ellisoton sc 29809 FREE FLIGHT CONTEST BOARD I Henry Strock RFD No2 Hat4ssg Old Lysno CT 06371 II Carrel Alvin 2Araona R Hontngson sta NY 11746 Ill Rody Klcibar 2021 Lakeland Are. Lakewood OH 44107 IV joe 8oy1e J. 218 Slsanedosh Rd. Hampton VA 22361 V Sooty Jonkios 3112 East Raises Rd. Marnpnis TN 38118 VI Chris Massono 10132 Oooglass Ct. 55 Ann MO 63074 VII Phil KIntwosth Jr. 715 Rosters Rd. Rocnestes Ml 48063 VIII Mark Valascs 23132 Poeseran Dr Honstot TX 77055 IX Edward ColIos 4318 6 Utah FV Denver CD 80222 X Joe Nontross 4836 Wee 123rd St. Hawthorne CA 90250 XI Ernie Linn 16858 121 Ate SE Rattan WA 88096 CONTROL LINE CONTEST BOARD George rlggrls P0 Boo 482 North Pembroke MA 02358 II 811 Sots 7706269th St Ness Hyde Park NY 110413 Ill Lairn Jackson 523 Meadtssbrook St Davids PA 19087 IV Rae McNIIy 6118 8da As. SisrngdiM VA 22152 V Date Hernstracght D 80 171 Motcha Corner SC 29461 VI Sob SoreS 132 Rocklord Apt 12 Porest Park IL 80130 VII Jantss Sinton 4941 Wisconsin Ave N Now Hope MN 55429 VIII Charles Atatton 3730 Kiesnorest Dallas Tx 78233 IX Michael Tallmen 3014 Sochenge Wichita KS 67217 X Pate Srandt 405 21st St. Manhattan Stack CA 90286 Xl Dan Ratherford 4706 227th P1 55. Bothall WA 98011 pull However motor may re versed after announcement Landing ap proach landing included glid ing time Having announced landing ap proach pilot may use landing aid Landing 30 m circle Coefficient m circle tal flight time ends model touches ground program aims development models good rate descent min imum speed relatively high rate climb power-flight VI Kit DeWant 3930W Jettersot Kokosno IN 46901 BC Ralph White R R 1 Boo 324 Neoga IL 62447 VII John Evert 421 Walnot Ln Apple Valley MN 55124 West Wesley Slave 1213 Wall St. Port Horon Ml 48060 East VIII John Deaton 5012 Royal Or. Ft Worth TX 76116 BC Larry Stanfitld 301 Wilson St Crossley TX 78036 IX JantesT Fitiey6540 6 Central Wioltita KS 87206 BC Robert Arnntt 2009 Keasas Great Bend KS 87530 X Myrtle Coad Rt Boo 19 Losses Lake CA 85457 Northl Lee POlotkh 258 nt Ave. Dolana CA 93017 Sooth XI Don Dodd 3409 Baltidere Ava. SW Seethe WA 98126 Rc Donald Miller 3436 S 263rd St. Kent WA 58031 RC Pylon & Soaring Rd Pattern sod tnher RC RC Soaring attern Pylon & other RC RADIO CONTROL CONTEST BOARD I Does AIlsed 38 Sosnsst Rd LeninStan MA 02173 I Joe Frend 62 Joysan Tens PraehOld NJ 07093 III Dave Bsossn 8534 Haddlestos Cincinnati OH 46236 IV Fred M Gregg 12709 RichssOfld St Osestas VA 23821 V Rhert Miller Sr 3035 Lakeshore Os. Tallahassee FL 22302 VI hoE Underwood 4109 Coescord Oaks Dr. S Lons MD 83128 VII Peter Waters 31219 Kendtll Unonia MI 48154 VIII Davd Hyde 2026 Snossssass Lt Garlatd TX 75042 IX Loren Tregellas 3002 S Everett Withta KS 67217 x Bill Neetheop Ie. 621W lkh St Cost Mm CA 80627 Xl Ralph Brooke 3431 5 194th Seartle WA 98188 SCALE CONTEST BOARD I Richard Sharesas 406 River Rd. Tessktbory MA 01876 II Robert Gossens 55 Snoressay Dr. Rochester NY 14012 III Edward Wissar 1521 Sosssst St MoKeasport PA 15130 IV Bob KarIsson 2643 Marsh Rd. Wilssiogton 05 19810 V Daoid PIart 6540 NW 15th Ft Laaclasdale PL 33313 VI Prank Seatty 2605 Pontoon Rd. Granite City IL 604O VII Ossad MeCalloagls Boa 40 Mentacees IA 80171 VIII Johnty Casborn Boc 8029 Ft Worth TX 76112 IX Dean Copaland 7817 Seward St. Osnana NE 68114 X Fraal Capan 251 Coatino de las Florne Encinitas CA 93024 XI Earle Moorhead 2750 View P1 5 Salem DR 87302 cONTEST BOARD COORDINATOR Don Lindley 420 Tapala FJpanill IL 60640 March 1978 81 DIRECTORY Bold Peos 610w IndIcate Otaictean Contat Board X SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX 0 Competition News will present time time constructive thought-provoking ideas further However feel being criticisms AMA rules policies affect competitors issue has two sides CNright just enough hobby where0 Owill endeavor print viewpoints have submittedwithin limits availableanyone times wrong read onX Co waco uniqueness constructiveness timeliness good taste Determination appropri- y railroad-highway intersections have Xateness publication of matters must necessity rest solely publisher O ght presented author should necessarily construed asflashing lights bells automatic gates yes-0 AMA HO AMA officers publisher should note publication terday stood sign read RAIL- -u 4rules-change policy-change idea does necessarily mean specific proposal has beenROAD CROSSINGSTOP LOOK LISTENCo O presented Contest Board Executive Council appropriate committee such action stop could see up down 0 Co responsibility author anyone else interested obtaining official action tracks could see up down X Xtracks would have Co 0 0tracks tracks wrong place Co 4THE BEST F F TEAMsupport manufacturers make en- Before get tracks LISTENIu Ogines timers towhooks etc make theInstead STOP-LOOK-LISTEN ouro CoBill BogartWorld Champs possible takes numbers flying lets use COOL agree onlyx X1975 FF Team Managerwell fanatics have entice new bloodtime can turn have Ointo program give us future teamscorrect clip Okay have proper clip 0 CoMike Kevilles letter August issue 4expressed opinion quality eve World Champs ulti-Turn immediately off say O1977 US FAI Free Flight Team Dave Lin-mate contest flyoffs should expected about one-second interval Now LISTEN Costrum commented Mikes letter De-and planned hundreds other nobody yells Im hit turn again0 off about three-second intervalX Xcomber issue calling philosophy atti-contests year featuring FAI classes andAgain LISTENI still nobody yells aCo Otude Mikes letter almost too absurd But0 rules should keep contests theirsafe bet will shoot anybody down Co a.Daves reasoning discussing mistakes ofentrants well mind Without therethe other guy uses on/off precaution0 4 te Ed Carroll Team Finalswould no World Champs requiredthen wont get shot down eitherCo oBob o slowly FAI rules changes ff technique does take much Cois strange logic flier makes rinted Bat Sheet newslettertime after several flying sessions will beCo xmistake Finals may well make theof Strat-O-Bats Club Seattle WAsecond nature clubs have added0 osame mistake World Championships CoIf logical opposite must bemethods safety rules avoid crashes 4true eg fliers timer doesnt malfunctionAdd list until get flashing w Oat Finals likely malfunction atlights ringing bells automatic some-0 Cothe WC Balderdash logic absurdthing other will stop crashesX XWhat Mike laments others think-PROPOSAL TOHave correct ClipCo Coing about system team selectionturn On0 ahasnt developing selecting fliersREORGANIZE THE AMAturn OffU 4whohagreatest propensity potentialDick Singerthen ListenCo ove theo Coto win eventX xTonight October 24 Los AngelesPhoenix AZDo again Cool man Helpful reminder Add sign fre-Co ORams wiped up Colosseum Mm- osal offered attempt givequency clipboard label COOL CLIPS0 Co Vikings playoff last fall Vik-modeling model flying back inted Prop Wash newsletter 4ings made Rams look silly point isYouth Americathe Mercer County RC Club Trenton NJCo Othat given outing whether day orMEMBERSHIP IN NEW AMA0 CoX three flier may well poorlyany flier 1 Remove members over 18 years old XOver number contests best fliers wind2 Regular members AMA 8 18Co O0 Coup top very way we3 Associate members over 18 must V adevelop opinions best fliers aresponsored regular member B 18STAR NOVICE RC PATTERNCo have viewed Semi-finals results4 Regular members B 18 may sponsor0 Cofrom past Labor Day weekend willonly two associate members eachM Buck Peck X xhave noticed large number excellent fliersNorfolk VA Co O will going Finals-the resultAMA SPONSORED CONTESTS0 One-clay contest1 shall events regular membersPattern simply gotten too complicated 4Is boils down enough flying inassociate members open eventsfor fun said old curmudgeons such Co 2 O the team selection still seem making associate event must Novice entry point populated o Co team selection simple economic Asthree regular member eventsopen gimbels white bucks retracts now X xeven tuned pipes years tried long aswe continue manner shall ASSOCIATE MEMBER OATH order brainstorm simplistic startin g point Co destined among also-rans WC associate member adult remain no avail Only start spend much time AMA member must stimulate Tidewater RC scheduled host Co O and money sport will develop fliers least two persons year become reg- 1977 Virginia State Championships 0 X Coof World Champion statusular members 8 18 associate mem- never sat down CD Jay Jennings Xber promises sasist help newinvented Star NoviceCo Omembers become happy competent mod-0 Co aelers model fliers1 Entrant must have previously placed-u 4in sanctioned Pattern contestCo O itted modelers concerned with2 Retracts installed may used0 Coour youth future ho bby x3 Before flight entrant will line out O FF FAI RULESGO SLOWany two maneuvers choice NoviceCo Coscore sheet will neither fly nor scored Steve 4 HelmickCo After World Champs up 40Easy run turned out successfully En- 0 X flyoff event atrants lumped regular Novice XCo oover limiting performance aRAI LROAD CROSSINGgroup identified small stars o Co no flyoff way see theSTOP LOOK LISTENThe judges scorers nothing different caliberto Extra trophies funded fliers WC level simplyDick Radcliffe ohas lousy conditions eliminate max-by entry fees 0 CooutsThere reasons crashThey loved Good club fliers several X x But wonder should modify rules Most now have heard years experience previously felt outCo O with World Champs mind should seen experienced yourself type classed equipment impression points 0 Co consider guys like myself seldom crash can add avoidance gave whirl Beginners year -g 4 max-out anyway like events other guy turns fre- experience werent stigmatized label Co 0 trying improve Limit performance quency did have proper fre Competent fliers won straightforward x through rules changes watch quency clip wrong four-channel Pattern craft fun Xaverage guy desert sinking shipwere guy proper clip youexperienced competitionCo 0 Remember takes large number ofwere right guy clip CDt licensed fee try -u aentries support team financially tofeels having clip enough read noour patented Star NoviceCo 0 SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX X 82 Model Aviation Nick Sher Langhorne PA made flight 12157 mph backed up another 12149 mph claim National AMA Record Control Line Speed Open age division record set October 91977 Dayton OH Cold Cash Speed Bash put Dayton Buz zin Buzzards Model Airplane Club previ ous record 12011 mph held Robert Bradshaw established 1974 model shown several photos page mostly constructed balsa basswood used strategically cov ered K&B fiberglass cloth finished clear K&B polyester resin Its wing has span 1 3% 1-5/8 center chordsym metrical airfoil model weighed 5 oz Power came Cox TD equipped GloBee plug tuned pipe supply ing information about record setter Sher said used Cox unported sleeve Schnuerle-cut tuned pipe Cox speed pan used prop re worked Cox gray 5 x 4 fuel tank homemade suction type Single line control used through B&S torque unit model Stanzel-type Monoline handle
Edition: Model Aviation - 1978/03
Page Numbers: 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83
NE WSLET ACADEMY OF MODEL AERONAUTICS 815 FIFTEENTH STREET NW WASHINGTON DC 20005 FAI RC SOARING TEAM SELECTION PROGRAM Ray Marvin Chairman FAI RC Soaring Team Selection Pro gram underway again select US team go World Championships 1979 Plans run program essenti ally same manner previous Jim Simpson ably conducted good program resulted team went take first place individual first place team honors World Championship South Africa coming program will seeking team can repeat performance program being administered National Soaring Society restricted NSS members open AMA members aware program works procedure follows first step enter quarter-finals con test cost will $25 plus cost FAI stamp will no additional charge advance semi-finals finals process setting up contest schedule now check area see quarter-finals contest sched uled get club sponsor get AMA Contest Director club ap ply sanction schedule meet dur ing month April May June CD quarter-finals contest will provided program registration forms will able collect FAI stamps AMA membership contestant reg isters CD must check valid current AMA license FAI stamp collect $25 program entry fee fill out registration form Following quarter-finals CD will complete contest report names scores entrants regardless standing report will forwarded entry fees collect AMA Headquarters immediate ly upon completion contest Entry fees will used primarily team travel within US country World Championships apportionment AMA dues covers over-ocean travel contests will run strict accor dance FAI rules exception motorgliders excluded order ad vance semi-finals contestant must tain least 80% winning score after least three complete rounds fail first attempt may enter other quarter-finals contest try again qualify fly semi-finals may attend choose will six 10 scheduled various parts country will flown over first weekend July 1-3 follow ing weekend 8-9 contest given area may scheduled first week end second may scheduled second weekend Results semi-final contests will forwarded program chairman number contestants semi-finals contest eligible ad vance finals will determined accord ing following formula Number contests semi-finals x 36 Total number contestants semi-finals will notified eligible attend must notify finals CD plan attend Alternates will invited attend have qualified un able Finals competition will over Labor Day weekend least six rounds will flown top three fliers will com prise US team should unable attend first alternates finals will invited convention three members preceding team automatically quali fied enter finals Skip Miller Dale Nutter LeMon Payne may en ter no two quarter-finals semi-final payment entry fee However scores will used calculate else eligible advance competition site finals contest has yet de term ed will known until March 1978 World Championships will held AMA has made bid have US important thing now get team selection program squared away So want participate just follow pro cedure outlined above sure let know have scheduled quarter-finals contest have questions about program please feel free write ad dress Ray Marvin 2781 5 Garfield Denver CO 80210 names addresses Team Se lection Committee members follows may contacted information con cerning program District Dwight Holley 151 Chestnut Ridge Bethel CT 06801 District II Leon Pike RD 1 Lowman NY 14861 District Ill Dave Burt 180 5 8th St Apt 4 Indiana PA 15701 District IV Brian Foster 1757 Latonia Rd Winston Salem NC 271 07 District V Jim W Lenoir 6017 Ellington Rd NW Huntsville AL 35810 District VI John Nielsen 3744 Lake Wil mette IL 60091 District VII Warren Tiahrt 1086 Ashley Troy Ml 48098 District VIII Dale Nutter 7935 5 New Haven Tulsa OK 74136 District IX Skip Miller 655 Maxwell Ave Boulder CO 80302 District X Dave Thornburg 3635 Mt Vernon Rd Sebastopol CA 95472 District Xl Don Burt 4001 5 275th P1 Auburn WA 98002 FAI RULES CHANGES following new changed rules adopted FAI Committee Interna tional Aero Modeling ClAM its annual meeting December Paris AMA com petition purposes such new changed rules effective immediately January 11978 anticipated Control Line rules changes will applied 1978 CL World Championships Indoor Free Flight Collision Rule Reflights Add re commenced flight must flown before next official flight US proposal slightly modifiedbased principle reflights should made essentially same air conditions original flight Timing Add c time recorded mean two times registered timekeepers reduced nearest whole number seconds below resulting mean time New Beginners Class Provisional rules established based upon modified FF Subcommittee proposal class mon oplanes 460mm 1811 mum wing span 3 grams 1058 oz minimum model weight rubber motor 15 grams 0529 oz maximum rubber motor weight Microfilm covering excluded other covering material may used Only flights 60 seconds considered official steering prohibited otherwise rules same World Champion ships class Steering Authorized use 1978 Indoor World Championships new rules adopted 1975 have implementation delayed until 1979 rules shown 1976-77 AMA rule book Outdoor Free Flight Flight Procedure Starting positions line right angles prevalent wind indicated small poles respaced 7 10 meters 23-328 feet apart Fl A-2 Glider 4 5 meters 131-164 March1978 73 FAI Rules Cont feet Fl B Fl C Wakefield Rubber FAI Power A-i Towline Gliders New provisional rules approved providing maximum sur face area 18 sq din 279 sq mini mum weight 220 grams 776 oz maxi mum towline length 50 meters 164 feet five official flights having maximum flight time 120 seconds Other fact requirement timers use bi noculars World Championships appli cable A-i remaining A-2 rules also applicable A-i Note Due revi sions new National AMA Records start ed category January 1 1978 Control Line Speed Fuel Now requires 80% methanol 20% castor oil equivalent75/25 formula eliminated Diameter Control Lines clarification given minimum diameter 389mm anything over okay Line Spacing previous definition reworded expand restrictions against line linking No intentional twisting and/or linking two lines together shall per mitted point exit model control handle lines shall sep arated least 5mm 2 point exit model least 25mm 98 handle Timekeeping slight rewording ap proved provides competitor right repeat flight difference tween two times recorded greater 2/i 0th second CL Aerobatics Hand Signal Elimination US pro posal rejected 8 ii against Scoring US proposal accepted maneuver flown out sequence will scored Omitted maneuvers scored succeeding maneuvers considered sequence flown proper order relative remainder flight pat tern CL Team Racing Timekeepers Belgian proposal ac cepted replace previous paragraph 7a required two timekeepers two lap counters three timekeepers follows Three timekeepers assigned team stand outside flying circle near starting point model control charge timekeeping lap counting particular team Para graph 12b changed accordingly 1 2c referring lap counters deleted Duties Jury new paragraph has added section 13 c time penalty five seconds shall given team start ing engines before starting signal CL Combat Jury Guide Several US proposals clari fy description handle illus tration specify crepe paper streamer should have minimum weight 50 grams per sq meter referred CL Subcommittee further action Competitor following clarification added para 4 helpers maxi mum 6 other team members team manager must registered partici patingon no national team beginning competition through its close Method Scoring new item U.SSR added section 11 g whole second stay ground model shall penalized 1 point case model flyaway lines handle ground time shall com mence moment such flyaway Cancellation Flight new item sec tion 16 US Netherlands added releases controls model flight before has come complete stop landing Radio Control Aerobatics complete new set rules approved per text elsewhere issue some interesting special features Total weight now measured fuel no longer wing loading requirementonly maximum surface area Maneuvers now three groups pattern B pattern list extra maneuvers can used finals World Championships competi tion normally will two flights B patterns top 10% contestants top five whichever larger will choose 14 maneuvers among three groups fly two NEW NATIONAL RECORDS STARTED JANUARY 1 conclusion rules-change cy cle review made see what new categor ies have reached official status enabling flight performances considered National AMA Record purposes whether rules have changed other categories such flight performance potential consid ered reduced latter case also flights scored differently new rules fresh new records started effective date new rules New records thus started following flights made AMA sanctioned competition beginning January 11978 Indoor Ornithopter three age classes three ceiling heights Novice Pennyplane three age classes three ceiling heights Outdoor Free Flight Electric Power three age classes A-i Towline Glider three age classes Category Ill same events Cat II three age classes Class C FF Power three age classes Cate gories 111 Ill Class D FF Power three age classes Cate gories 111 Ill Ornithopter three age classes Categories land Ill Control Line Junior B Proto Speed Senior AA B C Speed Profile Proto B Proto Speed Open D Speed 1AA Profile Proto B Proto Speed Note 1AA Proto full fuselage event eliminated flights finals contests other World Championships fixed schedule using same maneuvers may provid ed idea simplifying Contest Direc tor judging problems eliminating pilots choice maneuvers Noise Measurement Based US ex perience 1977 World Championships Springfield OH Aerobatics Subcommit tee will restudy silencer requirements view toward simplifying improving requirements application 1979 World Championships RC Pylon Racing previous official rules changed provisional status could exper imented easilywith goal finding universally acceptable model Continued page 78 FAI ClAM TECHNICAL MEETINGS list took part 1977 annual ClAM meetings Paris reads like Whos International Model Aviation Because stature people strongly influence trends progress activity therefore im portant AMA well represented meetingsso among lead ers rather followers four basic aeromodeling tech nical meetings Parisgatherings techni cal experts countries meet ings produced recommendations 29 voting delegates per country final say FAI rules changes meet ings took part Control Line Laird Jackson USA E Rumpel W Germany M Souliac France Y Sirotkin USSR Aarts Netherlands J Magne France R Beck Hungary Free Flight P Allnutt Canada P Chausse bourg France George Xenakis USA E Krill AustriaA Oschatz E GermanyC Sundstedt Sweden Abaunza Mexico G Burford Australia Kaynes United Kingdom M Dilly New Zealand M EI-Azizi Egypt V Sreckovic Yugoslavia W Koelliker Switzer land Scale H K Ziegler Switzerland D E Thumpston United Kingdom E Sharp Can ada Y Sirotkin USSR JP Jensen Denmark Bob Wischer USA Aarts Netherlands C Sundstedt Sweden J Reggiori France Beaufils France Radio Control Chris Olsen United King dom Jean-Claude Rey France Andre Beaufils France Georghiou Charalambos Cyprus Luigi Bovo Italy Warren Hitchcox Canada Ted Sharp Canada John Clemens USA Don Lowe USA Don Mackenzie So Africa Joe Dible Ireland Jean Ganier France John Burkam USA Adam Sattler USA John Worth USA Peter Blommaart Belgium Narve Jensen Norway Ottar Stensbol Norway Jens Jensen Denmark Werner Groth W Ger Werner Koelliker Switzerland Camille Gerard Luxembourg Axel Tigerstedt Fin land Geoff Dallimar United Kingdom Note RC Committee uses separate subcommittees Aerobatics Pylon Racing Thermal Soaring Helicopters 1978 new RC subcommittee added ElectraFlight electric motor powered models 74 Model Aviation FAI RC AEROBATIC POWER MODELS F3A AS ADOPTED DECEMBER 1977 1 Definition Radio Controlled Power Model Model Aircraft aerodynamic ally maneuvered control surfaces atti tude direction altitude pilot ground using radio control 2 Prefabrication Model Permitted model aircraft assembled com petitor prefabricated parts competitor installs equipment permitted models completely pre fabricated require few minutes unskilled effort completion com plete ready-to-fly models have built person other pilot 3 General Characteristics Radio Con trolled Power Models Maximum surface area St 150 din2 2325 sq Maximum tal weight fuel 5 kg 11023 lbs Maximum swept volume motors 10 cm3 61 cu maximum noise level method measuring stated Annex 4 Number Helpers pilot allowed helper during flight Two helpers may present during starting motor 5 Number Flights competitor has right four official flights 6 Definition Attempt tempt a when pilot announces take-off maneuver b when model fails commence take-off maneuver within three minutes allowed competitor c if motor stops after pilot has nounced start take-off before model airborne may started within 3-minute period However no points will awarded subsequent take-off ma neu ver 7 Number Attempts competitor entitled attempt official flight NB An attempt can repeated discretion Jury un foreseen reason outside control competitor model fails make start ie radio interference 8 Definition Official Flight official flight attempt made what ever result 9 Marking maneuver may awarded marks between 0 10 judges during flight marks multiplied coefficient varies difficul ty maneuver Any maneuver com pleted should scored 0 maneuvers must performed plane height will allow seen clearly judges approximately 60 degrees vertical ly 90 degrees horizontally non-ob servance rule will heavily penalized loss points model opinion judges unsafe being flown unsafe manner may instruct pilot land 1OClassification See Annex 11Judging World Championships a the organizer must appoint panel least three judges flight judges shall preferably different nationalities elected list persons approved National Aero Clubs ClAM specific system employed World Championship must stated ad vance organizers must have ap proval ClAM ClAM Bureau b shall judges briefing training flights before WC 12Organization RC Aerobatic Contests transmitters contest site must checked placed compound kept under observation During contest Stewards must control transmit ter compounds will issue transmitter competitor name called make flight As soon competitor has made official flight competitor will immediately return transmitter Steward Any unauthorized transmissions during period contest will result auto matic exclusion offe,der en tire contest render him liable further penalties During flight competitor must stay proximity judges under supervision Course Steward order starting various coun tries will established means draw before start contest compatible transmitter frequencies Competitors must called least five minutes before required occupy starting area Once competitor has given per mission start may delay no longer minute before attempting start motor timer will notify competitor minute finished immediately start timing 3-minute starting time organizer must provide adequate radio monitor purpose detecting radio interference means communi cating information pilot NEW FM PA1TERN RULES AFFECT ON AMA EXPERT AND MASTER CLASSES Its too soon fully assess what effect new FAI RC Aerobatics rules will have AMA Expert Master classesbut some al ready have expressed opinion new FAI World Championships system two flights pattern two flights other pattern additional two flights top fliers third pattern will compatible typical US contests Fur thermore theres aspect RC Con test Board pre-existing FAI pattern mind voted Ex pert Class would fly FAI pattern just same Master Class fliers will go unclear written late December Among possibilities might considered ever return Expert pattern Expert Class fliers and/or creation single composite pattern both Expert Master fliers Any action RC Contest Board will reported earliest possible time 13Scliedule Maneuvers RC Aerobatic Power Models maneuvers must execu ted during uninterrupted flight order listed time model passes front judges maneuver must executed except after take-off before landing case pass may made maneuver being performed recommended pilot helper should vocally indicate judges pilot about execute maneuver competitor may make attempt maneuver during flight pilot has three minutes start motor 10 min utes complete flight 10 minutes start competitor attempts start motor NB pass made model flies over line perpendicular center judges schedule maneuvers given An nex B descriptions maneuvers Annex C ANNEX 3 Noise Measurement defined ClAM RC Subcommittee 1OClassification competitor will have four flights two Schedule two Schedule B best scores schedule will added together determine team placings top 10% first five competitors will compete fi nal determine individual winner final will consist two flights com petitor best will added previous score determine winner final schedule will chosen competi tor complete list maneuvers Only 14 different maneuvers may selected cluding take-off landing give maxi mum total score 450 points Only Figure M may included ANNEX B Schedule Ta ke-Off Double Immelmann Three Reverse Inside Loops Rolling Eight Slow Roll Top Hat Horizontal Eight Figure M /4 Rolls Three Outside Loops Three-Turn Spin Three Horizontal Rolls Landing Total x 10 ctor 2 3 2 3 3 2 5 2 2 3 290 K Factor 2 2 2 2 2 4 3 3 5 2 290 March 1978 75 Schedule B Take Off Reverse Double Immelmann Cuban Eight Three Inside Loops Straight Inverted Vertical Eight Four-Point Roll Three Reverse Outside Loops Two Rolls Opposite Directions Figure M /4 Rolls Cobra Roll Landing Total x 10 Pattern Rules Cont List Extra Maneuvers FinalsK Factor Avalanche3 Inverted Spin3 Square Horizontal Eight4 Eight-Point Roll4 Vertical Roll3 Aileron Turn3 Figure M3 Square Loop Four Rolls5 Two Snap Rolls Opposite Directions5 Reverse Knife Edge4 Inverted Top Hat4 Reverse Cuban Eight2 Reverse Point Roll4 Triangle Rolling Loop4 ANNEX C DESCRIPTIONS OF MANEUVERS maneuvers will start finish straight level flight have same altitude heading entry exit unless otherwise stated maneuvers will downgraded start finish straight level altitude heading same exit entry maneuvers have loop shall have loops same diameter similarly maneuvers have roll shall have rolls same roll rate consecutive rolls shall same alti tude Take-Off model must stand still ground motor running ing held must take off take-off run should straight model lift gently ground climb gradual angle take-off completed model approximately two meters 6% feet ground Downgrades 1 Model does stand still released 2 Changes heading during take-off climb 3 Model jumps ground 4 Retouches ground after becoming air borne 5 Too steep climb angle 6 Gallops elevation during climb 7 Wings level time Double lmmelmann Model pulls upintoa half inside loop half rolls upright flies straight level approximately second does half outside loop half rolls level flight Downgrades 1 Half loops deviate left right 2 Half rolls immediately after half loops 3 Half rolls deviate left right 4 Model pauses second fore half outside loop 5 Half loops same altitude Three Reverse Inside Loops Model half rolls level flight pauses approximately second does three consecutive side loops downward flies approximately second inverted half rolls upright loops should round superimposed Downgrades 1 Changes heading during half rolls 2 Loops round 3 Loops superimposed 4 Wings level during loops 5 Changes heading during loops Rolling Eight Model pulls upfrom level flight completes inside loop bottom exe cutes half roll makes second inside loop directly under first half rolls back level flight Downgrades 1 Loopsnotround 2 Second loop directly under first 3 Model level start finish half rolls 4 Changes heading during loops rolls 5 Wings level during loops Slow Roll Model rolls slowly through complete revolution either direction ma neuver takes approximately five seconds Downgrades 1 Changes heading 2 Changes altitude 3 Roll rate constant 4 Model does roll exactly 360 degrees 5 Roll takes less 4 6 se conds Top Hat Model pulls up vertical atti tude pauses makes half roll pauses pulls over inverted flight short period pulls down pauses makes half roll pauses re covers level flight Downgrades 1 Model vertical before starting fin ishing rolls 2 Rolls exactly 180 degrees 3 Model does fly straight level verted 4 Vertical horizontal legs same length 5 Rolls same length 6 Changes heading during maneuver Horizontal Eight Model pulls up com pletes % inside loop vertical posi tion does complete outside loop vertical position again recovers doing /4 inside loop Downgrades 1 Loops round 2 Model vertical crossover point 3 Changes heading during loops 4 Loops same diameter 5 Loops same altitude 6 Model does crossover same point Figure M Rolls Model pulls up vertical attitude executes /4 roll stall turns through 180 degrees turns again same direction first roll does out side loop vertical attitude again rolls same direction first two does verted stall turn through 180 degrees /4 rolls same direction other three recovers level flight Viewed side model executes figure M Downgrades 1 Model vertical start finish rolls stall turns 2 Stall turns 180 degrees 3 /4 rolls exactly 90 degrees 4 Bottom outside loop level en try 5 Changes heading during outside loop rolls 6 Stall turns same altitude Three Outside Loops Model pushes over executes three consecutive outside loops loops should round superimposed Downgrades 1 Loops round 2 Loops supsrimposed 3 Wings level during loops 4 Changes heading during loops Three-Turn Spin model establishes heading power reduced model held slightly nose high attitude until stalls commences spin model will autorate through three complete turns recover same heading different alti tude Downgrades 1 Entry level 2 Does make three turns less two four score zero 3 Does finish same heading 4 Wings level during recovery 5 Spiral dive scores zero Three Horizontal Rolls Model rolls uni form rate through three complete revolutions either direction maneuver takes approxi mately five seconds Downgrades 1 Changes heading during rolls 2 Changes altitude during rolls 3 Roll rate constant 4 Model does exactly three rolls 5 Maneuver takes less 4 6 seconds Reverse Double Immelmann Model pushes over executes outside loop followed immediately roll pauses approxi mately second does /2 loop immed iately rolls level flight Downgrades 1 Changes heading during /2 loops rolls 2 A rolls immediately after loops 3 Model pauses second fore inside loop 4 A loops same altitude Cuban Eight Model pulls up executes inside loop 45 degrees inverted mod el does half roll followed another inside loop again 45 degrees inverted model does another half roll recovers level flight Downgrades 1 Loops round same size 2 Model 45 degrees before commence ment rolls 3 Changes heading loops rolls 4 Rolls cross over same point Three Inside Loops Model pulls up exe cutes three consecutive loops loops should round superimposed Downgrades 1 Loopsnotround 2 Loops superimposed 3 Wings level during ioops 4 Changes heading during loops Straight Inverted Flight Model half rolls inverted flies straight level inverted minimum four seconds half rolls back level flight half rolls may either direction Downgrades 1 A rolls level 2 Inverted flight straight level 3 Changes heading during rolls verted flight 4 Inverted flight less three five seconds Vertical Eight Model pulls up executes complete inside loop bottom pushes over completes outside loop directly under inside loop Downgrades 1 Loops round same diameter 2 Changes heading during loops 3 Wings level during loops 4 Outside loop directly under inside loop Four-Point Roll Model rolls through 360 de grees hesitating 90 degree point hesitation wings parallel vertical horizon maneuver takes approximately five seconds Downgrades 1 4 rolls less 90 degress 2 Model does hesitate after roll 3 Roll rate constant 4 Roll takes less 4 6 se conds 5 Changes altitude Three Reverse Outside Loops Model half rolls inverted pauses approximately se 76 Model Aviation cond pushes up execute three consecu tive outside loops pauses approximately second half rolls level flight loops round superimposed Down grades 1 Loops round 2 Loops superimposed 3 Changes heading during loops rolls 4 Wings level during loops 5 Model pauses second fore after loops Two Rolls Opposite Directions Model rolls 360 degrees either direction immedi ately after rolls 360 degrees opposite direction rolls take approximately five se conds Downgrades 1 Changes heading 2 Changes altitude 3 Roll rate constant 4 Rolls exactly 360 degrees 5 Second roll does start immediately after first roll 6 Rolls take less 4 6 se conds Figure M V2 Rolls Model pulls up vertical attitude performs roll stall turn through 180 degrees another roll exe cutes half inverted loop followed third /2 roll second stall turn fourth roll recovering level flight rolls may direction stall turns must opposite directions Viewed side model executes figure M Downgrades 1 Model vertical start finish rolls stall turns 2 Stall turns exactly 180 degrees 3 / rolls exactly 180 degrees 4 Bottom outside loop level entry 5 Changes heading during outside loop rolls Cobra Roll Model pulls up 45 degree angle half rolls inverted attitude executes loop half rolls upright attitude re covers level flight Downgrades 1 Initial climb 45 degrees 2 Rolls 180 degrees 3 A loop 90 degrees 4 Descent 45 degrees 5 Changes heading during rolls loop Landing model flares smoothly touch ground within landing circle no bouncing changes heading rolls stop Landing maneuver will start two meters 6A feet ground Downgrades 1 Model impacts ground due lack flare 2 Model bounces after touchdown 3 Wings level 4 Changes heading 5 If model ends its back zero points 6 Model lands outside 30 meter circle 7 If undercarriage leg retracts land ing zero points Avalanche Model pulls up completes half loop top executes complete snap roll~ recovers does another half loop finish level flight Downgrades 1 Loopnotround 2 Changes heading during loop 3 Wings level during loop 4 Snap roll 360 degrees 5 Roll snap roll Inverted Spin Model establishes heading half rolls inverted power reduced model held nose high attitude until stalls commences spin model will autorotate through three complete turns recover same heading different al titude half rolls upright position Downgrades 1 A rolls level 2 A rolls 180 degrees 3 Wings level during entry exit 4 Spiral dive scores zero 5 Does finish same heading 6 Does make three turns less two four score zero Square Horizontal Eight Model pulls up executes square loop bottom third leg does complete square out side loop behind inside loop model should rotate sharply corner straight paths should least 20 meters 65A feet long Downgrades 1 Loops square 2 Vertical downward paths coincide 3 Loops same size 4 Changes heading 5 Wings level 6 Loops same altitude 7 Sides squares same size Eight-Point Roll Model rolls through 360 de grees hesitating 45-degree point wings should parallel vertical 45 de grees horizon maneuvers take ap proximately 5 seconds Downgrades 1 1/8 rolls less 45 degrees 2 Model does hesitate after 45 de grees 3 Roll rate constant 4 Roll takes less 4 6 se conds Vertical Roll Model pulls up executes 360 degree roll vertically upward pushes over finish level flight Downgrades 1 Model vertical start finish roll 2 Roll exactly 360 degrees 3 Roll vertical 4 RoIl rate constant Aileron Turn Model pushes over executes 360-degree roll vertically downward re covers finish level flight Downgrades 1 Model vertical start finish roll 2 Roll exactly 360 degrees 3 Roll vertical 4 Roll rate constant Figure M Model pulls up vertical atti tude executes 180-degree stall turn either direction does outside loop again executes stall turn opposite direction recovers level flight Downgrades 1 Model vertical before after stall turns 2 Stall turns 180 degrees 3 Climbing diving paths parallel 4 Bottom outside loop different alti tude entry 5 Altitude second stall turn different first Square Loop Rolls Model pulls up completes square loop side model executes roll Downgrades 1 Loop square 2 Rolls 180 degrees 3 Wings level during loops 4 Changes heading during rolls loops 5 Sides square equal length Two Snap Rolls Opposite Directions Model snap rolls through 360 degrees recovers immediately snap rolls opposite di rection recovers level flight Downgrades 1Rolls 360 degrees 2Rolls snap rolls 3Changes heading 4Changes altitude Reverse Cuban Eight Model pulls up 45 degree climb half rolls executes % loop half rolls inverted loops back level flight same point entry Downgrades 1 Loops round same size 2 Model 45 degrees commence ment rolls 3 Changes heading during loops rolls Reverse Top Hat Model pushes vertical downward attitude half rolls loops level inverted flight flies inverted same distance downward path loops upward vertical attitude half rolls pushes over level flight Downgrades 1 Model vertical start finish half rolls 2 Rolls exactly 180 degrees 3 Model does fly straight level verted 4 Vertical horizontal legs approxi mately same length 5 Rolls same length rate 6 Changes heading during maneuver Reverse Point Roll Model rolls through 270 degrees hesitating 90-degree point rolls 270 degrees opposite direction hesitating 90-degree point finish level flight Maneuver takes approximately 5 seconds Downgrades 1 A rolls less 90 degrees 2 Model does hesitate 90-degree point 3 Roll rate constant 4 Roll takes less 4 6 se conds Triangle Rolling Loop Model pulls up 45-degree climb holds attitude ap proximately second loops through 135 degrees does complete roll loops through 135 degrees holds attitude approxi mately second recovers level flight same point maneuver started climbing descending portions should same length Downgrades 1 Climbing descending paths 45 degrees 2 Climbing descending paths same length 3 Roll 360 degrees 4 Model changes heading during loops roll 5 Model does start finish maneu ver same point * If initial entry spin smooth spin itself jerky uncertain reason downgrading indication spin true spin spiral dive dicated its smoothness increasing air speed during spin airspeed does crease appreciably ** A snap roll auto rotation horizon tal axis plane rails very rapidly nose-high attitude plane rolls along its axis snap roll SAFE FLYING IS NO ACCIDENT March 1978 77 FAI Rules Continued page 74 specifications racing procedures noted very unusual develop ment apparently necessary due widespread disagreement about rules among countries involved Pylon Racing reversion provisional status FAI World Championships Pylon Racing will possible until printing next Sporting Code after 1979 edition probably means 1984 earliest meantime interested return World Championships status RC Pylon rules will need help develop international agreement such rules over next four years including participation international contests using FAI provisional rules either rules presently exist may modified during next few years Provi sional status allows rules open change annual basis Adam Sattler chairman RC Pylon Racing Subcommittee coordinator APPROVED DECEMBER 1977 1 Premise utmost importance model fliers observe first safety rules Any accident caused careless ness hindrance progress model aviation safety rules obstacle enjoyment model flying guidelines established prove model fliers responsible people proclaim sign intelligence show ones own skill among spectators flier may know what doing has no way knowing what anyone else will So personal benefit make certain no action part will result accident therefore very important fly model aircraft competition pres ence spectators until has proven air worthy having previously flight tested 2 Competency Safety following ficials competent apply enforce safety rules Jury - the Contest Judges - the Contest Director - the Circle Marshalls - the Timekeepers - the Processing Officials - the Leaders Organization 3 Regulations Concerning Models Parts Prohibited a metal-bladed rotors b knife-edge leading edges main tail rotor blades c non-shock-mounted radio equip ment d ballast heavy part subject jettison ing Recommended a Blade attachment single through bolt self-locking nut allows blade lead lag hits something thus prolonging blade life b model should bear sticker listing modelers name address phone num ber c Radio antenna should restrained such manner eliminate chance its entanglement moving rotating part helicopter effort revive FAI activity cat egory Anyone interested should contact Adam Sattler 80 Rand Rd Apt A-2 Schenec tady NY 12309 RC Thermal Soaring General designation F3B now applies RC Thermal Soaring Gliders F3F has added RC Slope Soaring Gliders F3G has added RC Pow ered Gliders Both F3F F3G allow two models entered model specification certificate required entries international events must bear signed affidavit entrant has complied spirit rule 13 pertaining prefabrication Attempts Official Flight Section 16 completely replaced including title following 16 Attempts Official Flight 1 Attempts task during working time allocated him competitor entitled unlimited number attempts 4 Pre-flight Checks Before flight modeler should make following checks a Be certain frequency being em ployed clear properly authorized use modeler large groups modelers fly together system identifica tion frequencies should established b Test good functioning controls engine stopped c Test good functioning controls engine running strongly rec ommended model held hand tail boom checking blade tracking control functioning trim can done model sitting ground weights landing skids desired model held overhead both skids helper should done safe distance 110 ml other people helicopters pit area d Models should run-up free hov ered test flown pit area clear area least 30 meters square e Models should flown pres ence spectators until have prop erly tested proven airworthy 5 Flight Procedures Before during flight pilot should observe following a The helicopter should carried flown taxied ready box takeoff pad b Do fly toward over spectators pit parking area such manner malfunction could cause model crash spectators c Do fly solo presence spec tators until qualified flier judged experienced helper d At sign malfunction land quickly possible 6 Flying Sites flying site should large enough provide minimum about 200 meters 100 meters clear space containing no buildings people highways b At flying sites within 5 miles 8 Kml airports models shall flown higher 400 feet permission air port operator tasks B C after release towhook after model has crossed base repeat first time flying di rection base base B no further tempt permitted b competitor entitled new working time period end round model launching cable collides another model flight person being launched strikes another launching cable Should flight continue normal manner competitor may de mand flight accepted official demand made end flight flight has judged fault judges timekeepers case unexpected event duly witnessed official judges timekeep ers flight has hindered aborted 2 Official Flight official flight last flight performed during working time Cancellation Flight Disqualification Paragraph modified call annul ling flight competitor used model line launching device conforming FAI rules new paragraph e added case hand pulley towing launching device except launching cable must thrown competitor under penalty cancellation flight Distance Task new rules adopted December 1976 FAI applicability 1979 providing man-on-man concept distance task rescinded move re duce element luck rule 24b mod ified allow scoring up maximum 12 laps simplify course layout well scoring course rule 24e divided four fractions instead 10 previous Organization Starts Add 18 separate draw shall held round Organization Contests Add 19 No sighting apparatus should placed within minimum distance 3 meters limits thf course Alternating Tasks new rule increases importance duration task relative distance speed 21i amend combination read combina tion Task other task constitutes round minimum 2 rounds must flown tasks B C alternating round Any single round . Rule 27 modified accordingly round total score complied adding partial score either B C competitor Speed Task Change 25a 4 minutes 5 motorgllders completion task Under 22 Launching paragraph f added speed task flight annulled model crosses line during its timed flight Motorgliders Rule 21ii changed read organizer can establish whether radio controlled gliders Auxiliary Power RC Motorgilder enter same contest unpowered gliders have separate classifi cation system classification must announced propositions con test Classification Paragraphs b c 28 eliminatedreplaced results achieved competitor rounds will determine position final classifica tion order decide winner tie task C speed repeated 78 Model Aviation FAI SAFETY CODE FOR RC HELICOPTERS RC Helicopters current ruies CN section April 1977 issue remain provisional blended RC Helicopter Subcommittee rules changes proposed West Germany presented December 1978 ClAM meeting approval new combination meantime approved change current K-factors through di viding 5so 15 10 S become 3 2 1 Also new Safety Code RC Heli copters approved see elsewhere sue RC Electroflight new set provisional rules approved replace previously effect new rules have tested European competi tion 1977 considered prac tical improvement over previous provision al rules new provisional rules else issue Scale RC Maximum Weight Rule 31 changed 5 kg 11 lbs 6 kg 13 lbs 36 ozs fuel including dum pilot Definition Scale Models further de fine permissible models agreed change 11 such aircraft has air borne acceptable subject meaning designs built never flown acceptable RC Quality Landing landing circle used rule 3712 25 meters 49 diameter factor K9 landing within circle factor K4 land ing outside circle Judging Agreement judges Guide General following sentence de leted because impracticality applied maneuvers desirable principle judges conferring agree realism flight scoring applied flight maneuvers order avoid large dis crepancies between individual judges marks Future Rules changes FAI Scale Rules will frozen until end 1982 except ratio between subheadings sta tic scoring complexity headings may changed provided total K-factors section changed Static Judging Points Rule 15 previously said fractions tenths point could used tenths now has deleted Proof Scale Add 94b Color drawings authentic sources eg Pro file type publications including three views acceptable proof color mark ings Also proof tbe cruising speed must supplied Judging Fidelity Scale crafts manship Separate judging fidelity scale craftsmanship complexity have elim inated Instead approved modify 110 follows provide combined scoring fi delity scale craftsmanship com plexity bonus handled separately Fidelity Scale craftsmanship 1 Fuselage 2 Wing equivalent 3 Tail surface equivalent empennage 4 Landing gear 5 Propulsion units 6 Cockpit cabin detail 7 Finish color markings pecial ingenuity complexity Bonus new section has added heading following rules order compensate models com plex prototypes inherent disadvan tages flight following bonuses shall awarded form percentage total flight score Wings Monoplane Biplane single bay Biplane double bay lane Quadruplane Engines Single Twin Engines Three Engines Four Engines Above four Undercarriage Fixed tricycle0 Fixed conventional bicycle monowheel5 Retractable tricycle Retractable conventional General Pre-1914 design10 Notes order qualify multiple engine bonus power ratio engines must per prototype engines must operate Judges shall decide upon appropriate percent bonuses applied flight score model during static scoring procedure Other paragraphs rules necessary revised accommodate combined scoring fidelity scale workmanship judging separate application complexity bonus Realism Flight CL RC 272 3710 following footnote has added scale model cruis ing speed prototype must stated flight scoring form Discrepancies Documentation Add judges Guide discrepancy measurements due scaling up drawing stated basic dimensions should prevail discrepancy between drawings stated basic dimen sions latter should prevail Measurement Tolerances Judges Guide tolerances 03% measurement fuselage wing have eliminated RC Taxi Present 371a has elimi nated replaced three sub-paragraphs according landing gear type follows aa Models aircraft using two-wheel landing gear tail skid two-wheel gear non-steerable tail wheel other gear config urations allowing steering will taxi ward wind distance up 15m slow down near stop stop come airborne realistic manner ab Models aircraft using two-wheel landing gear steerable tail wheel will taxi forward wind downwind contestant prefers distance up 1 Sm K1 0 using 5 turn visibility taxiing procedure slow down near stop stop depending K9on whether prototype equipped K9with brakes become airborne - K8realistic manner odels aircraft equipped K1 1steerable tricycle landing gear will taxi down- -K4wind least 1 Sm stop turn least 120 de grees wind become airborne realistic manner Errors Model does stand still unassist ed before commencirg taxi Model does follow prescribed course Model does halt before taking off prototype brakes Model taxies too fast Model does taxi manner prototype % Bonus Downgrading Ready-Made compo 0 nents Craftsmanship Judging last sen tence changed read marks 10 other commercial items should graded least 50% unless has 20been considerable degree reworking FF Scale rules provi sional since 1971without evidence in0 ternational use have dropped New rules 10 may proposed time future 15 RC Scale Gliders As per F F Scale 20 provisional rules have used 25 internationally since adopted 1972 have dropped World Records RC Glider Speed Straight-Line course 10 Special conditions RC Gliders have 10 eliminated future RC Gliders must use same base altitude require ments RC Power models primary pur pose lengthen RC Glider base has become especially important due high speeds being attained Automatic Timing speed records straight line following new rule has added speeds above 300 km/hr 1864 mph manual actuation timing devices permitted Only automatic means tim ing eliminate human error factor permitted must certified accurate within 1/100 second c closed course Speed Records Ap proved new record categories Power models Gliders separately per fol lowing rules Base course consists square de fined four prominently colored pylons poles set 200m 6562 apart 90-degree angle other situated flat land land minimum fall exceed 1 meter 200m within 1 km course An upright pole 20 meters 657 cor ner square extension line drawn between two pylons side square will establish Starting/Finish Line Four judges will situated immediately under pylon will raise red flag signal lights model infringes side space bounded poles Note essential accurate speed measurement poles absolutely ver tical order prevent course length differ ence altitude RC Gliders must free launching cable specified 725 prior crossing Start/Finish Line Models land prior completion four legs course intrude forbidden airspace except after timing completed disqualified flight void no altitude restric tion prohibition against circling thermals outside course Timing begins model crosses Start/Finish Line ends model completes course again crosses Start/Finish Line still airborne intermediate landing within 30 minutes launch Availability Record Data ClAM voted unanimously recommendation CASI March 1978 79 FAI Rules Cont appropriate high FAI authority photocopies record dossiers available upon request national aero club fee cost plus 10% World Championships 1978 Control Line Speed Team Race Aeroba tics Combat plus Control Line Radio Control Scale approved August 4-10 Woodvale England near Liverpool Indoor bid Romania ac cepted because required guarantee FM South Africa allowed participate condition allowed However ClAM president empowered see condition would removedon assurance South African delegate no team country would partici pate matter left hanging ClAM president advise countries end January whether Romanla some other country would host event Note press time both England US considering possibility offering host neither good position Spacemodels model rockets Bulgaria approved host early Septem ber probable date 1979 RC Aerobatics Approved South Africa probably September Note An expected offer Mexico did materialize dele gate Mexico present no information regarding offer host RC Soaring Offers US Bel gium noted Both countries sub mit firm details offers ClAM Bureau officers meeting Paris March 31 Bureau will decide offer will prevail AMA currently working National Soaring Society SOAR group Chicago view toward holding event city Free Flight firm offer Yugoslavia approved site European Championships held end May early June Note site said five kilometers square 1980 Control Line Speed Team Race Aeroba tics Combat firm offer Belgium approved Radio Control Control Line Scale firm offer Canada approved held Ottawa RC ELECTRO-POWERED MODELS F3E PROVISIONALAS ADOPTED DECEMBER 1977 Definition RC Electro-Powered Models Model aircraft lift generated aerodynamic forces acting surfaces remain ing fixed during flight except control sur faces performs maneuvers con trolled pilot ground using radio control connection propulsion model effected fixed foldable propel lers driven electric motor can regulated during flight power-pack electric motor must have fixed connection ground another model air Recharging power-pack solarcells permitted during flight Prefabrication Model Permitted plane assembled builder prefabricated parts builder installs equipment Permitted Models com pletely prefabricated require few minutes unskilled efforts completion complete ready-to-fly models have built person other pilot General Characteristics RC Electro-Powered Models Maximum surface area 150 sq dm 2325 sq Maximum total weight 5 kg 11 lbs Maximum loading 75 gr/sq dm 2457 oz/sq ft Minimum loading 12 gr/sq dm 395 oz/sq ft Number Helpers pilot permitted helper Number Flights competitor class has right three official flights two best flights shall counted Take-Off Take-off must executed either two manners described hereafter change type take-off during contest may allowed contest director whole round Take-off ground hand-launchingWhen hand-launching competitor helper have ground hand-launch model use starting devices Definition Attempt attempt a the pilot announces take-off b model taxies case take-off ground c pilot releases model case hand-launching dl model fails start within five minutes allowed Number Attempts competitor al lowed attempt official flight Exceptions An attempt may re peated organizers judges discretion reason outside control competitor organizer model unable take-off Definition Official Flight official flight attempt made what ever result repetition official flight permitted take-off possible possible due time safety reasons b competitorit has proved cannot perform flight due outside inter ference no scoring made reasons outside control competitor such cases take-off may repeated im mediately after fruitless attempt take off after personal report contest manager during same round out round Marking maneuver round will awarded points Scoring flights starts model released case hand-launch ing b model starts taxi ground Scoring flights ends a model fails start within allowed time b model touches ground ob struction connected ground c lettisoning occurs dl official flight completed No scoring will made following rea sons a when model used already anoth er competitor same contest model accordance general rules characteristics class b model started permission wrong starting sequence c competitor fails return transmit ter flight completed case un authorized use transmitter during flights dl pilot fails release model starting point employs two helpers e pick up transmitter before second call made commencing take-off before called fI entering starting area before second call made switching transmitter before nouncement gI pilot fails take-off within allowed time three minutes officially called hI repetition start permission I starting manner allowed particular category ii hand-launching effected ground using take-off devices k pilot moves away take-off area does operate transmitter himself I model leaves flying space maneuvers cannotbe seen judges Classification final classification will determined aggregate sum two best flights case tie first place final result will established fly-off Any fly-off must take place within hour normal finishing time contest No attempts permitted results fly-off shall count establishment title such World Champion prizes awarded Judging a The organizer must appoint panel least three judges official flight judges shall preferably different na tionalities elected list per sons approved National Aero Clubs ClAM rotation system equivalent system may used provided judge will score contestant equal number times specific system employed World Championship must stated ad vance organizers must have prior approval ClAM ClAM Bureau b There shall training flights judges briefing before after held immediately before World Cham pionship Organization RC Electro-Flight Contests transmitters used contest must checked placed compound kept under observation During con test steward must control trans mitter compound will issue transmit ter competitor name called standby flight As soon attempt has ended competitor must im mediately return transmitter steward transmitter compound unauthor ized transmissions during contest will re sult automatic disqualification offen der entire contest render him li able further penalties order starting 80 Model Aviation no scoring 2 various countries competitors will established means draw before start contest Competitors must called least five minutes before required occupy starting area organizer must provide radio-monitor purpose detecting possible interferences Suggested Schedule Maneuvers F3E Spe cial Out 14 maneuvers listed below six must chosen flown competitor sequence maneuvers has laid down writing valid rounds Take-off ground permitted scoring provided another maneuver replacing schedule has completed within time max 5 minutes counting se cond official call Maneuvers 0Hand-launching 1Take-off ground 2Two inside loops 3Two outside loops3 4Double lmmelmann2 5Turn1 6Spinthree turns2 7Cuban Eight3 8Running Eight starting down ight starting middle2 10Three horizontal rolls2 11 Four-point roll3 12SIQw roll mm 4 sec3 13 Approach rectangular four legs aLanding 30 m circle1 14bLanding 15 m circle2 Suggested Schedule Maneuvers F3E Junior Models two axes radio control steering Engine running radio-controlled Landing aids schedule has completed within time 5 minutes counting second official call After launching hand following ma neuvers have flown given order Coefficient Maneuvers 1Two outside loops3 2Turn2 3Inverted flight starting ending Ia loop2 4Spintwo turns2 5Approach2 6a Landing 3Gm circle1 6b Landing 15 m circle2 Schedule Maneuvers Electro-Motorgliders two turnlines distance 150 meters middle distance shall gate Gate two poles 3 m high dis tance 20 m turnline shall timekeeper flagman model running engine handlaunched Time release taken timekeeper first task pilot has total flight-time 200 sec has decide much will use climb much gliding competitor has shut tle between two turnlines often pos sible gliding turnilnes have over flown time full leg com petitor given 10 points Restarting en gine before expiration 200 sec termi nates scoring does expiration 200 sec After task competitor has fly again through gate soon possible passing gate timekeeper No 2 takes time flying through gate proper altitude means between two poles lower top 10 points grant ed After passage through gate climb starts delay Now total time climb gliding will 300 sec Again up competitor decide much time will use climb much gliding second gliding time competi tor given point second over 300 sec total flight time point shall deducted important gliding time taken motor cut gliding time ends motor restarted Lee Hines Costa Mesa CA holds own design Ulti max A-2 Towline Glider set Open age class national record December 18 1976 rec ord still stands 53 Coefficient minutes 46 seconds comprised 12 maxes last five progressively aeasing times increments minute 13th flight 148 seconds record set Elsinore CA Record Trials organ ized Sky Hoppers Orange County very super special dayforfly ing Free Flight Hines said Ultimax features wing 15181 aspect-ratio CH-407 airfoil modified per Crowley/Klintworth undercambered stab airfoil 7% thickness Covered Japanese tissue model also Seelig de thermalizer timer Czech cir cle tow hook NFFS fiber glass tail boom CONTEST COORDINATORS I Pad L Penney S Chalorta AndOne, MA 01810 II R SobrinO 87-26 88th St. Woodlsanen Oseens NY 11421 Bc Bryan Sattlar 29 Waldorf P1. Schesecnfdy NY 12307 5c Frei Rlackborn6 Bloe8psoce Ln Cotsnack LINY 1172S III Ken Raber Rd 1 Naaareth PA 18064 lEash M Wesanbach 4585 W 148s1s St. cleneland OH 44135 West Rc J Slaver 809 Forest Rose Ave. Lonter OH 43130 West V Warren sanders Jr 9735 52nd Ave College Pk MO 20741 Sc J Lawrence 12538 Ffoodstock Dr. upees Marlboro MD 20870 V Sen Cleveland 708 Coontry dab Tollatonsa TN 37388 RC J Oasis Jr18135 Lakeshore eirsnngnaatAL35216 RC Ctsarlene Fields 818 Main St Ness Ellisoton sc 29809 FREE FLIGHT CONTEST BOARD I Henry Strock RFD No2 Hat4ssg Old Lysno CT 06371 II Carrel Alvin 2Araona R Hontngson sta NY 11746 Ill Rody Klcibar 2021 Lakeland Are. Lakewood OH 44107 IV joe 8oy1e J. 218 Slsanedosh Rd. Hampton VA 22361 V Sooty Jonkios 3112 East Raises Rd. Marnpnis TN 38118 VI Chris Massono 10132 Oooglass Ct. 55 Ann MO 63074 VII Phil KIntwosth Jr. 715 Rosters Rd. Rocnestes Ml 48063 VIII Mark Valascs 23132 Poeseran Dr Honstot TX 77055 IX Edward ColIos 4318 6 Utah FV Denver CD 80222 X Joe Nontross 4836 Wee 123rd St. Hawthorne CA 90250 XI Ernie Linn 16858 121 Ate SE Rattan WA 88096 CONTROL LINE CONTEST BOARD George rlggrls P0 Boo 482 North Pembroke MA 02358 II 811 Sots 7706269th St Ness Hyde Park NY 110413 Ill Lairn Jackson 523 Meadtssbrook St Davids PA 19087 IV Rae McNIIy 6118 8da As. SisrngdiM VA 22152 V Date Hernstracght D 80 171 Motcha Corner SC 29461 VI Sob SoreS 132 Rocklord Apt 12 Porest Park IL 80130 VII Jantss Sinton 4941 Wisconsin Ave N Now Hope MN 55429 VIII Charles Atatton 3730 Kiesnorest Dallas Tx 78233 IX Michael Tallmen 3014 Sochenge Wichita KS 67217 X Pate Srandt 405 21st St. Manhattan Stack CA 90286 Xl Dan Ratherford 4706 227th P1 55. Bothall WA 98011 pull However motor may re versed after announcement Landing ap proach landing included glid ing time Having announced landing ap proach pilot may use landing aid Landing 30 m circle Coefficient m circle tal flight time ends model touches ground program aims development models good rate descent min imum speed relatively high rate climb power-flight VI Kit DeWant 3930W Jettersot Kokosno IN 46901 BC Ralph White R R 1 Boo 324 Neoga IL 62447 VII John Evert 421 Walnot Ln Apple Valley MN 55124 West Wesley Slave 1213 Wall St. Port Horon Ml 48060 East VIII John Deaton 5012 Royal Or. Ft Worth TX 76116 BC Larry Stanfitld 301 Wilson St Crossley TX 78036 IX JantesT Fitiey6540 6 Central Wioltita KS 87206 BC Robert Arnntt 2009 Keasas Great Bend KS 87530 X Myrtle Coad Rt Boo 19 Losses Lake CA 85457 Northl Lee POlotkh 258 nt Ave. Dolana CA 93017 Sooth XI Don Dodd 3409 Baltidere Ava. SW Seethe WA 98126 Rc Donald Miller 3436 S 263rd St. Kent WA 58031 RC Pylon & Soaring Rd Pattern sod tnher RC RC Soaring attern Pylon & other RC RADIO CONTROL CONTEST BOARD I Does AIlsed 38 Sosnsst Rd LeninStan MA 02173 I Joe Frend 62 Joysan Tens PraehOld NJ 07093 III Dave Bsossn 8534 Haddlestos Cincinnati OH 46236 IV Fred M Gregg 12709 RichssOfld St Osestas VA 23821 V Rhert Miller Sr 3035 Lakeshore Os. Tallahassee FL 22302 VI hoE Underwood 4109 Coescord Oaks Dr. S Lons MD 83128 VII Peter Waters 31219 Kendtll Unonia MI 48154 VIII Davd Hyde 2026 Snossssass Lt Garlatd TX 75042 IX Loren Tregellas 3002 S Everett Withta KS 67217 x Bill Neetheop Ie. 621W lkh St Cost Mm CA 80627 Xl Ralph Brooke 3431 5 194th Seartle WA 98188 SCALE CONTEST BOARD I Richard Sharesas 406 River Rd. Tessktbory MA 01876 II Robert Gossens 55 Snoressay Dr. Rochester NY 14012 III Edward Wissar 1521 Sosssst St MoKeasport PA 15130 IV Bob KarIsson 2643 Marsh Rd. Wilssiogton 05 19810 V Daoid PIart 6540 NW 15th Ft Laaclasdale PL 33313 VI Prank Seatty 2605 Pontoon Rd. Granite City IL 604O VII Ossad MeCalloagls Boa 40 Mentacees IA 80171 VIII Johnty Casborn Boc 8029 Ft Worth TX 76112 IX Dean Copaland 7817 Seward St. Osnana NE 68114 X Fraal Capan 251 Coatino de las Florne Encinitas CA 93024 XI Earle Moorhead 2750 View P1 5 Salem DR 87302 cONTEST BOARD COORDINATOR Don Lindley 420 Tapala FJpanill IL 60640 March 1978 81 DIRECTORY Bold Peos 610w IndIcate Otaictean Contat Board X SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX 0 Competition News will present time time constructive thought-provoking ideas further However feel being criticisms AMA rules policies affect competitors issue has two sides CNright just enough hobby where0 Owill endeavor print viewpoints have submittedwithin limits availableanyone times wrong read onX Co waco uniqueness constructiveness timeliness good taste Determination appropri- y railroad-highway intersections have Xateness publication of matters must necessity rest solely publisher O ght presented author should necessarily construed asflashing lights bells automatic gates yes-0 AMA HO AMA officers publisher should note publication terday stood sign read RAIL- -u 4rules-change policy-change idea does necessarily mean specific proposal has beenROAD CROSSINGSTOP LOOK LISTENCo O presented Contest Board Executive Council appropriate committee such action stop could see up down 0 Co responsibility author anyone else interested obtaining official action tracks could see up down X Xtracks would have Co 0 0tracks tracks wrong place Co 4THE BEST F F TEAMsupport manufacturers make en- Before get tracks LISTENIu Ogines timers towhooks etc make theInstead STOP-LOOK-LISTEN ouro CoBill BogartWorld Champs possible takes numbers flying lets use COOL agree onlyx X1975 FF Team Managerwell fanatics have entice new bloodtime can turn have Ointo program give us future teamscorrect clip Okay have proper clip 0 CoMike Kevilles letter August issue 4expressed opinion quality eve World Champs ulti-Turn immediately off say O1977 US FAI Free Flight Team Dave Lin-mate contest flyoffs should expected about one-second interval Now LISTEN Costrum commented Mikes letter De-and planned hundreds other nobody yells Im hit turn again0 off about three-second intervalX Xcomber issue calling philosophy atti-contests year featuring FAI classes andAgain LISTENI still nobody yells aCo Otude Mikes letter almost too absurd But0 rules should keep contests theirsafe bet will shoot anybody down Co a.Daves reasoning discussing mistakes ofentrants well mind Without therethe other guy uses on/off precaution0 4 te Ed Carroll Team Finalswould no World Champs requiredthen wont get shot down eitherCo oBob o slowly FAI rules changes ff technique does take much Cois strange logic flier makes rinted Bat Sheet newslettertime after several flying sessions will beCo xmistake Finals may well make theof Strat-O-Bats Club Seattle WAsecond nature clubs have added0 osame mistake World Championships CoIf logical opposite must bemethods safety rules avoid crashes 4true eg fliers timer doesnt malfunctionAdd list until get flashing w Oat Finals likely malfunction atlights ringing bells automatic some-0 Cothe WC Balderdash logic absurdthing other will stop crashesX XWhat Mike laments others think-PROPOSAL TOHave correct ClipCo Coing about system team selectionturn On0 ahasnt developing selecting fliersREORGANIZE THE AMAturn OffU 4whohagreatest propensity potentialDick Singerthen ListenCo ove theo Coto win eventX xTonight October 24 Los AngelesPhoenix AZDo again Cool man Helpful reminder Add sign fre-Co ORams wiped up Colosseum Mm- osal offered attempt givequency clipboard label COOL CLIPS0 Co Vikings playoff last fall Vik-modeling model flying back inted Prop Wash newsletter 4ings made Rams look silly point isYouth Americathe Mercer County RC Club Trenton NJCo Othat given outing whether day orMEMBERSHIP IN NEW AMA0 CoX three flier may well poorlyany flier 1 Remove members over 18 years old XOver number contests best fliers wind2 Regular members AMA 8 18Co O0 Coup top very way we3 Associate members over 18 must V adevelop opinions best fliers aresponsored regular member B 18STAR NOVICE RC PATTERNCo have viewed Semi-finals results4 Regular members B 18 may sponsor0 Cofrom past Labor Day weekend willonly two associate members eachM Buck Peck X xhave noticed large number excellent fliersNorfolk VA Co O will going Finals-the resultAMA SPONSORED CONTESTS0 One-clay contest1 shall events regular membersPattern simply gotten too complicated 4Is boils down enough flying inassociate members open eventsfor fun said old curmudgeons such Co 2 O the team selection still seem making associate event must Novice entry point populated o Co team selection simple economic Asthree regular member eventsopen gimbels white bucks retracts now X xeven tuned pipes years tried long aswe continue manner shall ASSOCIATE MEMBER OATH order brainstorm simplistic startin g point Co destined among also-rans WC associate member adult remain no avail Only start spend much time AMA member must stimulate Tidewater RC scheduled host Co O and money sport will develop fliers least two persons year become reg- 1977 Virginia State Championships 0 X Coof World Champion statusular members 8 18 associate mem- never sat down CD Jay Jennings Xber promises sasist help newinvented Star NoviceCo Omembers become happy competent mod-0 Co aelers model fliers1 Entrant must have previously placed-u 4in sanctioned Pattern contestCo O itted modelers concerned with2 Retracts installed may used0 Coour youth future ho bby x3 Before flight entrant will line out O FF FAI RULESGO SLOWany two maneuvers choice NoviceCo Coscore sheet will neither fly nor scored Steve 4 HelmickCo After World Champs up 40Easy run turned out successfully En- 0 X flyoff event atrants lumped regular Novice XCo oover limiting performance aRAI LROAD CROSSINGgroup identified small stars o Co no flyoff way see theSTOP LOOK LISTENThe judges scorers nothing different caliberto Extra trophies funded fliers WC level simplyDick Radcliffe ohas lousy conditions eliminate max-by entry fees 0 CooutsThere reasons crashThey loved Good club fliers several X x But wonder should modify rules Most now have heard years experience previously felt outCo O with World Champs mind should seen experienced yourself type classed equipment impression points 0 Co consider guys like myself seldom crash can add avoidance gave whirl Beginners year -g 4 max-out anyway like events other guy turns fre- experience werent stigmatized label Co 0 trying improve Limit performance quency did have proper fre Competent fliers won straightforward x through rules changes watch quency clip wrong four-channel Pattern craft fun Xaverage guy desert sinking shipwere guy proper clip youexperienced competitionCo 0 Remember takes large number ofwere right guy clip CDt licensed fee try -u aentries support team financially tofeels having clip enough read noour patented Star NoviceCo 0 SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX X 82 Model Aviation Nick Sher Langhorne PA made flight 12157 mph backed up another 12149 mph claim National AMA Record Control Line Speed Open age division record set October 91977 Dayton OH Cold Cash Speed Bash put Dayton Buz zin Buzzards Model Airplane Club previ ous record 12011 mph held Robert Bradshaw established 1974 model shown several photos page mostly constructed balsa basswood used strategically cov ered K&B fiberglass cloth finished clear K&B polyester resin Its wing has span 1 3% 1-5/8 center chordsym metrical airfoil model weighed 5 oz Power came Cox TD equipped GloBee plug tuned pipe supply ing information about record setter Sher said used Cox unported sleeve Schnuerle-cut tuned pipe Cox speed pan used prop re worked Cox gray 5 x 4 fuel tank homemade suction type Single line control used through B&S torque unit model Stanzel-type Monoline handle
Edition: Model Aviation - 1978/03
Page Numbers: 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83
NE WSLET ACADEMY OF MODEL AERONAUTICS 815 FIFTEENTH STREET NW WASHINGTON DC 20005 FAI RC SOARING TEAM SELECTION PROGRAM Ray Marvin Chairman FAI RC Soaring Team Selection Pro gram underway again select US team go World Championships 1979 Plans run program essenti ally same manner previous Jim Simpson ably conducted good program resulted team went take first place individual first place team honors World Championship South Africa coming program will seeking team can repeat performance program being administered National Soaring Society restricted NSS members open AMA members aware program works procedure follows first step enter quarter-finals con test cost will $25 plus cost FAI stamp will no additional charge advance semi-finals finals process setting up contest schedule now check area see quarter-finals contest sched uled get club sponsor get AMA Contest Director club ap ply sanction schedule meet dur ing month April May June CD quarter-finals contest will provided program registration forms will able collect FAI stamps AMA membership contestant reg isters CD must check valid current AMA license FAI stamp collect $25 program entry fee fill out registration form Following quarter-finals CD will complete contest report names scores entrants regardless standing report will forwarded entry fees collect AMA Headquarters immediate ly upon completion contest Entry fees will used primarily team travel within US country World Championships apportionment AMA dues covers over-ocean travel contests will run strict accor dance FAI rules exception motorgliders excluded order ad vance semi-finals contestant must tain least 80% winning score after least three complete rounds fail first attempt may enter other quarter-finals contest try again qualify fly semi-finals may attend choose will six 10 scheduled various parts country will flown over first weekend July 1-3 follow ing weekend 8-9 contest given area may scheduled first week end second may scheduled second weekend Results semi-final contests will forwarded program chairman number contestants semi-finals contest eligible ad vance finals will determined accord ing following formula Number contests semi-finals x 36 Total number contestants semi-finals will notified eligible attend must notify finals CD plan attend Alternates will invited attend have qualified un able Finals competition will over Labor Day weekend least six rounds will flown top three fliers will com prise US team should unable attend first alternates finals will invited convention three members preceding team automatically quali fied enter finals Skip Miller Dale Nutter LeMon Payne may en ter no two quarter-finals semi-final payment entry fee However scores will used calculate else eligible advance competition site finals contest has yet de term ed will known until March 1978 World Championships will held AMA has made bid have US important thing now get team selection program squared away So want participate just follow pro cedure outlined above sure let know have scheduled quarter-finals contest have questions about program please feel free write ad dress Ray Marvin 2781 5 Garfield Denver CO 80210 names addresses Team Se lection Committee members follows may contacted information con cerning program District Dwight Holley 151 Chestnut Ridge Bethel CT 06801 District II Leon Pike RD 1 Lowman NY 14861 District Ill Dave Burt 180 5 8th St Apt 4 Indiana PA 15701 District IV Brian Foster 1757 Latonia Rd Winston Salem NC 271 07 District V Jim W Lenoir 6017 Ellington Rd NW Huntsville AL 35810 District VI John Nielsen 3744 Lake Wil mette IL 60091 District VII Warren Tiahrt 1086 Ashley Troy Ml 48098 District VIII Dale Nutter 7935 5 New Haven Tulsa OK 74136 District IX Skip Miller 655 Maxwell Ave Boulder CO 80302 District X Dave Thornburg 3635 Mt Vernon Rd Sebastopol CA 95472 District Xl Don Burt 4001 5 275th P1 Auburn WA 98002 FAI RULES CHANGES following new changed rules adopted FAI Committee Interna tional Aero Modeling ClAM its annual meeting December Paris AMA com petition purposes such new changed rules effective immediately January 11978 anticipated Control Line rules changes will applied 1978 CL World Championships Indoor Free Flight Collision Rule Reflights Add re commenced flight must flown before next official flight US proposal slightly modifiedbased principle reflights should made essentially same air conditions original flight Timing Add c time recorded mean two times registered timekeepers reduced nearest whole number seconds below resulting mean time New Beginners Class Provisional rules established based upon modified FF Subcommittee proposal class mon oplanes 460mm 1811 mum wing span 3 grams 1058 oz minimum model weight rubber motor 15 grams 0529 oz maximum rubber motor weight Microfilm covering excluded other covering material may used Only flights 60 seconds considered official steering prohibited otherwise rules same World Champion ships class Steering Authorized use 1978 Indoor World Championships new rules adopted 1975 have implementation delayed until 1979 rules shown 1976-77 AMA rule book Outdoor Free Flight Flight Procedure Starting positions line right angles prevalent wind indicated small poles respaced 7 10 meters 23-328 feet apart Fl A-2 Glider 4 5 meters 131-164 March1978 73 FAI Rules Cont feet Fl B Fl C Wakefield Rubber FAI Power A-i Towline Gliders New provisional rules approved providing maximum sur face area 18 sq din 279 sq mini mum weight 220 grams 776 oz maxi mum towline length 50 meters 164 feet five official flights having maximum flight time 120 seconds Other fact requirement timers use bi noculars World Championships appli cable A-i remaining A-2 rules also applicable A-i Note Due revi sions new National AMA Records start ed category January 1 1978 Control Line Speed Fuel Now requires 80% methanol 20% castor oil equivalent75/25 formula eliminated Diameter Control Lines clarification given minimum diameter 389mm anything over okay Line Spacing previous definition reworded expand restrictions against line linking No intentional twisting and/or linking two lines together shall per mitted point exit model control handle lines shall sep arated least 5mm 2 point exit model least 25mm 98 handle Timekeeping slight rewording ap proved provides competitor right repeat flight difference tween two times recorded greater 2/i 0th second CL Aerobatics Hand Signal Elimination US pro posal rejected 8 ii against Scoring US proposal accepted maneuver flown out sequence will scored Omitted maneuvers scored succeeding maneuvers considered sequence flown proper order relative remainder flight pat tern CL Team Racing Timekeepers Belgian proposal ac cepted replace previous paragraph 7a required two timekeepers two lap counters three timekeepers follows Three timekeepers assigned team stand outside flying circle near starting point model control charge timekeeping lap counting particular team Para graph 12b changed accordingly 1 2c referring lap counters deleted Duties Jury new paragraph has added section 13 c time penalty five seconds shall given team start ing engines before starting signal CL Combat Jury Guide Several US proposals clari fy description handle illus tration specify crepe paper streamer should have minimum weight 50 grams per sq meter referred CL Subcommittee further action Competitor following clarification added para 4 helpers maxi mum 6 other team members team manager must registered partici patingon no national team beginning competition through its close Method Scoring new item U.SSR added section 11 g whole second stay ground model shall penalized 1 point case model flyaway lines handle ground time shall com mence moment such flyaway Cancellation Flight new item sec tion 16 US Netherlands added releases controls model flight before has come complete stop landing Radio Control Aerobatics complete new set rules approved per text elsewhere issue some interesting special features Total weight now measured fuel no longer wing loading requirementonly maximum surface area Maneuvers now three groups pattern B pattern list extra maneuvers can used finals World Championships competi tion normally will two flights B patterns top 10% contestants top five whichever larger will choose 14 maneuvers among three groups fly two NEW NATIONAL RECORDS STARTED JANUARY 1 conclusion rules-change cy cle review made see what new categor ies have reached official status enabling flight performances considered National AMA Record purposes whether rules have changed other categories such flight performance potential consid ered reduced latter case also flights scored differently new rules fresh new records started effective date new rules New records thus started following flights made AMA sanctioned competition beginning January 11978 Indoor Ornithopter three age classes three ceiling heights Novice Pennyplane three age classes three ceiling heights Outdoor Free Flight Electric Power three age classes A-i Towline Glider three age classes Category Ill same events Cat II three age classes Class C FF Power three age classes Cate gories 111 Ill Class D FF Power three age classes Cate gories 111 Ill Ornithopter three age classes Categories land Ill Control Line Junior B Proto Speed Senior AA B C Speed Profile Proto B Proto Speed Open D Speed 1AA Profile Proto B Proto Speed Note 1AA Proto full fuselage event eliminated flights finals contests other World Championships fixed schedule using same maneuvers may provid ed idea simplifying Contest Direc tor judging problems eliminating pilots choice maneuvers Noise Measurement Based US ex perience 1977 World Championships Springfield OH Aerobatics Subcommit tee will restudy silencer requirements view toward simplifying improving requirements application 1979 World Championships RC Pylon Racing previous official rules changed provisional status could exper imented easilywith goal finding universally acceptable model Continued page 78 FAI ClAM TECHNICAL MEETINGS list took part 1977 annual ClAM meetings Paris reads like Whos International Model Aviation Because stature people strongly influence trends progress activity therefore im portant AMA well represented meetingsso among lead ers rather followers four basic aeromodeling tech nical meetings Parisgatherings techni cal experts countries meet ings produced recommendations 29 voting delegates per country final say FAI rules changes meet ings took part Control Line Laird Jackson USA E Rumpel W Germany M Souliac France Y Sirotkin USSR Aarts Netherlands J Magne France R Beck Hungary Free Flight P Allnutt Canada P Chausse bourg France George Xenakis USA E Krill AustriaA Oschatz E GermanyC Sundstedt Sweden Abaunza Mexico G Burford Australia Kaynes United Kingdom M Dilly New Zealand M EI-Azizi Egypt V Sreckovic Yugoslavia W Koelliker Switzer land Scale H K Ziegler Switzerland D E Thumpston United Kingdom E Sharp Can ada Y Sirotkin USSR JP Jensen Denmark Bob Wischer USA Aarts Netherlands C Sundstedt Sweden J Reggiori France Beaufils France Radio Control Chris Olsen United King dom Jean-Claude Rey France Andre Beaufils France Georghiou Charalambos Cyprus Luigi Bovo Italy Warren Hitchcox Canada Ted Sharp Canada John Clemens USA Don Lowe USA Don Mackenzie So Africa Joe Dible Ireland Jean Ganier France John Burkam USA Adam Sattler USA John Worth USA Peter Blommaart Belgium Narve Jensen Norway Ottar Stensbol Norway Jens Jensen Denmark Werner Groth W Ger Werner Koelliker Switzerland Camille Gerard Luxembourg Axel Tigerstedt Fin land Geoff Dallimar United Kingdom Note RC Committee uses separate subcommittees Aerobatics Pylon Racing Thermal Soaring Helicopters 1978 new RC subcommittee added ElectraFlight electric motor powered models 74 Model Aviation FAI RC AEROBATIC POWER MODELS F3A AS ADOPTED DECEMBER 1977 1 Definition Radio Controlled Power Model Model Aircraft aerodynamic ally maneuvered control surfaces atti tude direction altitude pilot ground using radio control 2 Prefabrication Model Permitted model aircraft assembled com petitor prefabricated parts competitor installs equipment permitted models completely pre fabricated require few minutes unskilled effort completion com plete ready-to-fly models have built person other pilot 3 General Characteristics Radio Con trolled Power Models Maximum surface area St 150 din2 2325 sq Maximum tal weight fuel 5 kg 11023 lbs Maximum swept volume motors 10 cm3 61 cu maximum noise level method measuring stated Annex 4 Number Helpers pilot allowed helper during flight Two helpers may present during starting motor 5 Number Flights competitor has right four official flights 6 Definition Attempt tempt a when pilot announces take-off maneuver b when model fails commence take-off maneuver within three minutes allowed competitor c if motor stops after pilot has nounced start take-off before model airborne may started within 3-minute period However no points will awarded subsequent take-off ma neu ver 7 Number Attempts competitor entitled attempt official flight NB An attempt can repeated discretion Jury un foreseen reason outside control competitor model fails make start ie radio interference 8 Definition Official Flight official flight attempt made what ever result 9 Marking maneuver may awarded marks between 0 10 judges during flight marks multiplied coefficient varies difficul ty maneuver Any maneuver com pleted should scored 0 maneuvers must performed plane height will allow seen clearly judges approximately 60 degrees vertical ly 90 degrees horizontally non-ob servance rule will heavily penalized loss points model opinion judges unsafe being flown unsafe manner may instruct pilot land 1OClassification See Annex 11Judging World Championships a the organizer must appoint panel least three judges flight judges shall preferably different nationalities elected list persons approved National Aero Clubs ClAM specific system employed World Championship must stated ad vance organizers must have ap proval ClAM ClAM Bureau b shall judges briefing training flights before WC 12Organization RC Aerobatic Contests transmitters contest site must checked placed compound kept under observation During contest Stewards must control transmit ter compounds will issue transmitter competitor name called make flight As soon competitor has made official flight competitor will immediately return transmitter Steward Any unauthorized transmissions during period contest will result auto matic exclusion offe,der en tire contest render him liable further penalties During flight competitor must stay proximity judges under supervision Course Steward order starting various coun tries will established means draw before start contest compatible transmitter frequencies Competitors must called least five minutes before required occupy starting area Once competitor has given per mission start may delay no longer minute before attempting start motor timer will notify competitor minute finished immediately start timing 3-minute starting time organizer must provide adequate radio monitor purpose detecting radio interference means communi cating information pilot NEW FM PA1TERN RULES AFFECT ON AMA EXPERT AND MASTER CLASSES Its too soon fully assess what effect new FAI RC Aerobatics rules will have AMA Expert Master classesbut some al ready have expressed opinion new FAI World Championships system two flights pattern two flights other pattern additional two flights top fliers third pattern will compatible typical US contests Fur thermore theres aspect RC Con test Board pre-existing FAI pattern mind voted Ex pert Class would fly FAI pattern just same Master Class fliers will go unclear written late December Among possibilities might considered ever return Expert pattern Expert Class fliers and/or creation single composite pattern both Expert Master fliers Any action RC Contest Board will reported earliest possible time 13Scliedule Maneuvers RC Aerobatic Power Models maneuvers must execu ted during uninterrupted flight order listed time model passes front judges maneuver must executed except after take-off before landing case pass may made maneuver being performed recommended pilot helper should vocally indicate judges pilot about execute maneuver competitor may make attempt maneuver during flight pilot has three minutes start motor 10 min utes complete flight 10 minutes start competitor attempts start motor NB pass made model flies over line perpendicular center judges schedule maneuvers given An nex B descriptions maneuvers Annex C ANNEX 3 Noise Measurement defined ClAM RC Subcommittee 1OClassification competitor will have four flights two Schedule two Schedule B best scores schedule will added together determine team placings top 10% first five competitors will compete fi nal determine individual winner final will consist two flights com petitor best will added previous score determine winner final schedule will chosen competi tor complete list maneuvers Only 14 different maneuvers may selected cluding take-off landing give maxi mum total score 450 points Only Figure M may included ANNEX B Schedule Ta ke-Off Double Immelmann Three Reverse Inside Loops Rolling Eight Slow Roll Top Hat Horizontal Eight Figure M /4 Rolls Three Outside Loops Three-Turn Spin Three Horizontal Rolls Landing Total x 10 ctor 2 3 2 3 3 2 5 2 2 3 290 K Factor 2 2 2 2 2 4 3 3 5 2 290 March 1978 75 Schedule B Take Off Reverse Double Immelmann Cuban Eight Three Inside Loops Straight Inverted Vertical Eight Four-Point Roll Three Reverse Outside Loops Two Rolls Opposite Directions Figure M /4 Rolls Cobra Roll Landing Total x 10 Pattern Rules Cont List Extra Maneuvers FinalsK Factor Avalanche3 Inverted Spin3 Square Horizontal Eight4 Eight-Point Roll4 Vertical Roll3 Aileron Turn3 Figure M3 Square Loop Four Rolls5 Two Snap Rolls Opposite Directions5 Reverse Knife Edge4 Inverted Top Hat4 Reverse Cuban Eight2 Reverse Point Roll4 Triangle Rolling Loop4 ANNEX C DESCRIPTIONS OF MANEUVERS maneuvers will start finish straight level flight have same altitude heading entry exit unless otherwise stated maneuvers will downgraded start finish straight level altitude heading same exit entry maneuvers have loop shall have loops same diameter similarly maneuvers have roll shall have rolls same roll rate consecutive rolls shall same alti tude Take-Off model must stand still ground motor running ing held must take off take-off run should straight model lift gently ground climb gradual angle take-off completed model approximately two meters 6% feet ground Downgrades 1 Model does stand still released 2 Changes heading during take-off climb 3 Model jumps ground 4 Retouches ground after becoming air borne 5 Too steep climb angle 6 Gallops elevation during climb 7 Wings level time Double lmmelmann Model pulls upintoa half inside loop half rolls upright flies straight level approximately second does half outside loop half rolls level flight Downgrades 1 Half loops deviate left right 2 Half rolls immediately after half loops 3 Half rolls deviate left right 4 Model pauses second fore half outside loop 5 Half loops same altitude Three Reverse Inside Loops Model half rolls level flight pauses approximately second does three consecutive side loops downward flies approximately second inverted half rolls upright loops should round superimposed Downgrades 1 Changes heading during half rolls 2 Loops round 3 Loops superimposed 4 Wings level during loops 5 Changes heading during loops Rolling Eight Model pulls upfrom level flight completes inside loop bottom exe cutes half roll makes second inside loop directly under first half rolls back level flight Downgrades 1 Loopsnotround 2 Second loop directly under first 3 Model level start finish half rolls 4 Changes heading during loops rolls 5 Wings level during loops Slow Roll Model rolls slowly through complete revolution either direction ma neuver takes approximately five seconds Downgrades 1 Changes heading 2 Changes altitude 3 Roll rate constant 4 Model does roll exactly 360 degrees 5 Roll takes less 4 6 se conds Top Hat Model pulls up vertical atti tude pauses makes half roll pauses pulls over inverted flight short period pulls down pauses makes half roll pauses re covers level flight Downgrades 1 Model vertical before starting fin ishing rolls 2 Rolls exactly 180 degrees 3 Model does fly straight level verted 4 Vertical horizontal legs same length 5 Rolls same length 6 Changes heading during maneuver Horizontal Eight Model pulls up com pletes % inside loop vertical posi tion does complete outside loop vertical position again recovers doing /4 inside loop Downgrades 1 Loops round 2 Model vertical crossover point 3 Changes heading during loops 4 Loops same diameter 5 Loops same altitude 6 Model does crossover same point Figure M Rolls Model pulls up vertical attitude executes /4 roll stall turns through 180 degrees turns again same direction first roll does out side loop vertical attitude again rolls same direction first two does verted stall turn through 180 degrees /4 rolls same direction other three recovers level flight Viewed side model executes figure M Downgrades 1 Model vertical start finish rolls stall turns 2 Stall turns 180 degrees 3 /4 rolls exactly 90 degrees 4 Bottom outside loop level en try 5 Changes heading during outside loop rolls 6 Stall turns same altitude Three Outside Loops Model pushes over executes three consecutive outside loops loops should round superimposed Downgrades 1 Loops round 2 Loops supsrimposed 3 Wings level during loops 4 Changes heading during loops Three-Turn Spin model establishes heading power reduced model held slightly nose high attitude until stalls commences spin model will autorate through three complete turns recover same heading different alti tude Downgrades 1 Entry level 2 Does make three turns less two four score zero 3 Does finish same heading 4 Wings level during recovery 5 Spiral dive scores zero Three Horizontal Rolls Model rolls uni form rate through three complete revolutions either direction maneuver takes approxi mately five seconds Downgrades 1 Changes heading during rolls 2 Changes altitude during rolls 3 Roll rate constant 4 Model does exactly three rolls 5 Maneuver takes less 4 6 seconds Reverse Double Immelmann Model pushes over executes outside loop followed immediately roll pauses approxi mately second does /2 loop immed iately rolls level flight Downgrades 1 Changes heading during /2 loops rolls 2 A rolls immediately after loops 3 Model pauses second fore inside loop 4 A loops same altitude Cuban Eight Model pulls up executes inside loop 45 degrees inverted mod el does half roll followed another inside loop again 45 degrees inverted model does another half roll recovers level flight Downgrades 1 Loops round same size 2 Model 45 degrees before commence ment rolls 3 Changes heading loops rolls 4 Rolls cross over same point Three Inside Loops Model pulls up exe cutes three consecutive loops loops should round superimposed Downgrades 1 Loopsnotround 2 Loops superimposed 3 Wings level during ioops 4 Changes heading during loops Straight Inverted Flight Model half rolls inverted flies straight level inverted minimum four seconds half rolls back level flight half rolls may either direction Downgrades 1 A rolls level 2 Inverted flight straight level 3 Changes heading during rolls verted flight 4 Inverted flight less three five seconds Vertical Eight Model pulls up executes complete inside loop bottom pushes over completes outside loop directly under inside loop Downgrades 1 Loops round same diameter 2 Changes heading during loops 3 Wings level during loops 4 Outside loop directly under inside loop Four-Point Roll Model rolls through 360 de grees hesitating 90 degree point hesitation wings parallel vertical horizon maneuver takes approximately five seconds Downgrades 1 4 rolls less 90 degress 2 Model does hesitate after roll 3 Roll rate constant 4 Roll takes less 4 6 se conds 5 Changes altitude Three Reverse Outside Loops Model half rolls inverted pauses approximately se 76 Model Aviation cond pushes up execute three consecu tive outside loops pauses approximately second half rolls level flight loops round superimposed Down grades 1 Loops round 2 Loops superimposed 3 Changes heading during loops rolls 4 Wings level during loops 5 Model pauses second fore after loops Two Rolls Opposite Directions Model rolls 360 degrees either direction immedi ately after rolls 360 degrees opposite direction rolls take approximately five se conds Downgrades 1 Changes heading 2 Changes altitude 3 Roll rate constant 4 Rolls exactly 360 degrees 5 Second roll does start immediately after first roll 6 Rolls take less 4 6 se conds Figure M V2 Rolls Model pulls up vertical attitude performs roll stall turn through 180 degrees another roll exe cutes half inverted loop followed third /2 roll second stall turn fourth roll recovering level flight rolls may direction stall turns must opposite directions Viewed side model executes figure M Downgrades 1 Model vertical start finish rolls stall turns 2 Stall turns exactly 180 degrees 3 / rolls exactly 180 degrees 4 Bottom outside loop level entry 5 Changes heading during outside loop rolls Cobra Roll Model pulls up 45 degree angle half rolls inverted attitude executes loop half rolls upright attitude re covers level flight Downgrades 1 Initial climb 45 degrees 2 Rolls 180 degrees 3 A loop 90 degrees 4 Descent 45 degrees 5 Changes heading during rolls loop Landing model flares smoothly touch ground within landing circle no bouncing changes heading rolls stop Landing maneuver will start two meters 6A feet ground Downgrades 1 Model impacts ground due lack flare 2 Model bounces after touchdown 3 Wings level 4 Changes heading 5 If model ends its back zero points 6 Model lands outside 30 meter circle 7 If undercarriage leg retracts land ing zero points Avalanche Model pulls up completes half loop top executes complete snap roll~ recovers does another half loop finish level flight Downgrades 1 Loopnotround 2 Changes heading during loop 3 Wings level during loop 4 Snap roll 360 degrees 5 Roll snap roll Inverted Spin Model establishes heading half rolls inverted power reduced model held nose high attitude until stalls commences spin model will autorotate through three complete turns recover same heading different al titude half rolls upright position Downgrades 1 A rolls level 2 A rolls 180 degrees 3 Wings level during entry exit 4 Spiral dive scores zero 5 Does finish same heading 6 Does make three turns less two four score zero Square Horizontal Eight Model pulls up executes square loop bottom third leg does complete square out side loop behind inside loop model should rotate sharply corner straight paths should least 20 meters 65A feet long Downgrades 1 Loops square 2 Vertical downward paths coincide 3 Loops same size 4 Changes heading 5 Wings level 6 Loops same altitude 7 Sides squares same size Eight-Point Roll Model rolls through 360 de grees hesitating 45-degree point wings should parallel vertical 45 de grees horizon maneuvers take ap proximately 5 seconds Downgrades 1 1/8 rolls less 45 degrees 2 Model does hesitate after 45 de grees 3 Roll rate constant 4 Roll takes less 4 6 se conds Vertical Roll Model pulls up executes 360 degree roll vertically upward pushes over finish level flight Downgrades 1 Model vertical start finish roll 2 Roll exactly 360 degrees 3 Roll vertical 4 RoIl rate constant Aileron Turn Model pushes over executes 360-degree roll vertically downward re covers finish level flight Downgrades 1 Model vertical start finish roll 2 Roll exactly 360 degrees 3 Roll vertical 4 Roll rate constant Figure M Model pulls up vertical atti tude executes 180-degree stall turn either direction does outside loop again executes stall turn opposite direction recovers level flight Downgrades 1 Model vertical before after stall turns 2 Stall turns 180 degrees 3 Climbing diving paths parallel 4 Bottom outside loop different alti tude entry 5 Altitude second stall turn different first Square Loop Rolls Model pulls up completes square loop side model executes roll Downgrades 1 Loop square 2 Rolls 180 degrees 3 Wings level during loops 4 Changes heading during rolls loops 5 Sides square equal length Two Snap Rolls Opposite Directions Model snap rolls through 360 degrees recovers immediately snap rolls opposite di rection recovers level flight Downgrades 1Rolls 360 degrees 2Rolls snap rolls 3Changes heading 4Changes altitude Reverse Cuban Eight Model pulls up 45 degree climb half rolls executes % loop half rolls inverted loops back level flight same point entry Downgrades 1 Loops round same size 2 Model 45 degrees commence ment rolls 3 Changes heading during loops rolls Reverse Top Hat Model pushes vertical downward attitude half rolls loops level inverted flight flies inverted same distance downward path loops upward vertical attitude half rolls pushes over level flight Downgrades 1 Model vertical start finish half rolls 2 Rolls exactly 180 degrees 3 Model does fly straight level verted 4 Vertical horizontal legs approxi mately same length 5 Rolls same length rate 6 Changes heading during maneuver Reverse Point Roll Model rolls through 270 degrees hesitating 90-degree point rolls 270 degrees opposite direction hesitating 90-degree point finish level flight Maneuver takes approximately 5 seconds Downgrades 1 A rolls less 90 degrees 2 Model does hesitate 90-degree point 3 Roll rate constant 4 Roll takes less 4 6 se conds Triangle Rolling Loop Model pulls up 45-degree climb holds attitude ap proximately second loops through 135 degrees does complete roll loops through 135 degrees holds attitude approxi mately second recovers level flight same point maneuver started climbing descending portions should same length Downgrades 1 Climbing descending paths 45 degrees 2 Climbing descending paths same length 3 Roll 360 degrees 4 Model changes heading during loops roll 5 Model does start finish maneu ver same point * If initial entry spin smooth spin itself jerky uncertain reason downgrading indication spin true spin spiral dive dicated its smoothness increasing air speed during spin airspeed does crease appreciably ** A snap roll auto rotation horizon tal axis plane rails very rapidly nose-high attitude plane rolls along its axis snap roll SAFE FLYING IS NO ACCIDENT March 1978 77 FAI Rules Continued page 74 specifications racing procedures noted very unusual develop ment apparently necessary due widespread disagreement about rules among countries involved Pylon Racing reversion provisional status FAI World Championships Pylon Racing will possible until printing next Sporting Code after 1979 edition probably means 1984 earliest meantime interested return World Championships status RC Pylon rules will need help develop international agreement such rules over next four years including participation international contests using FAI provisional rules either rules presently exist may modified during next few years Provi sional status allows rules open change annual basis Adam Sattler chairman RC Pylon Racing Subcommittee coordinator APPROVED DECEMBER 1977 1 Premise utmost importance model fliers observe first safety rules Any accident caused careless ness hindrance progress model aviation safety rules obstacle enjoyment model flying guidelines established prove model fliers responsible people proclaim sign intelligence show ones own skill among spectators flier may know what doing has no way knowing what anyone else will So personal benefit make certain no action part will result accident therefore very important fly model aircraft competition pres ence spectators until has proven air worthy having previously flight tested 2 Competency Safety following ficials competent apply enforce safety rules Jury - the Contest Judges - the Contest Director - the Circle Marshalls - the Timekeepers - the Processing Officials - the Leaders Organization 3 Regulations Concerning Models Parts Prohibited a metal-bladed rotors b knife-edge leading edges main tail rotor blades c non-shock-mounted radio equip ment d ballast heavy part subject jettison ing Recommended a Blade attachment single through bolt self-locking nut allows blade lead lag hits something thus prolonging blade life b model should bear sticker listing modelers name address phone num ber c Radio antenna should restrained such manner eliminate chance its entanglement moving rotating part helicopter effort revive FAI activity cat egory Anyone interested should contact Adam Sattler 80 Rand Rd Apt A-2 Schenec tady NY 12309 RC Thermal Soaring General designation F3B now applies RC Thermal Soaring Gliders F3F has added RC Slope Soaring Gliders F3G has added RC Pow ered Gliders Both F3F F3G allow two models entered model specification certificate required entries international events must bear signed affidavit entrant has complied spirit rule 13 pertaining prefabrication Attempts Official Flight Section 16 completely replaced including title following 16 Attempts Official Flight 1 Attempts task during working time allocated him competitor entitled unlimited number attempts 4 Pre-flight Checks Before flight modeler should make following checks a Be certain frequency being em ployed clear properly authorized use modeler large groups modelers fly together system identifica tion frequencies should established b Test good functioning controls engine stopped c Test good functioning controls engine running strongly rec ommended model held hand tail boom checking blade tracking control functioning trim can done model sitting ground weights landing skids desired model held overhead both skids helper should done safe distance 110 ml other people helicopters pit area d Models should run-up free hov ered test flown pit area clear area least 30 meters square e Models should flown pres ence spectators until have prop erly tested proven airworthy 5 Flight Procedures Before during flight pilot should observe following a The helicopter should carried flown taxied ready box takeoff pad b Do fly toward over spectators pit parking area such manner malfunction could cause model crash spectators c Do fly solo presence spec tators until qualified flier judged experienced helper d At sign malfunction land quickly possible 6 Flying Sites flying site should large enough provide minimum about 200 meters 100 meters clear space containing no buildings people highways b At flying sites within 5 miles 8 Kml airports models shall flown higher 400 feet permission air port operator tasks B C after release towhook after model has crossed base repeat first time flying di rection base base B no further tempt permitted b competitor entitled new working time period end round model launching cable collides another model flight person being launched strikes another launching cable Should flight continue normal manner competitor may de mand flight accepted official demand made end flight flight has judged fault judges timekeepers case unexpected event duly witnessed official judges timekeep ers flight has hindered aborted 2 Official Flight official flight last flight performed during working time Cancellation Flight Disqualification Paragraph modified call annul ling flight competitor used model line launching device conforming FAI rules new paragraph e added case hand pulley towing launching device except launching cable must thrown competitor under penalty cancellation flight Distance Task new rules adopted December 1976 FAI applicability 1979 providing man-on-man concept distance task rescinded move re duce element luck rule 24b mod ified allow scoring up maximum 12 laps simplify course layout well scoring course rule 24e divided four fractions instead 10 previous Organization Starts Add 18 separate draw shall held round Organization Contests Add 19 No sighting apparatus should placed within minimum distance 3 meters limits thf course Alternating Tasks new rule increases importance duration task relative distance speed 21i amend combination read combina tion Task other task constitutes round minimum 2 rounds must flown tasks B C alternating round Any single round . Rule 27 modified accordingly round total score complied adding partial score either B C competitor Speed Task Change 25a 4 minutes 5 motorgllders completion task Under 22 Launching paragraph f added speed task flight annulled model crosses line during its timed flight Motorgliders Rule 21ii changed read organizer can establish whether radio controlled gliders Auxiliary Power RC Motorgilder enter same contest unpowered gliders have separate classifi cation system classification must announced propositions con test Classification Paragraphs b c 28 eliminatedreplaced results achieved competitor rounds will determine position final classifica tion order decide winner tie task C speed repeated 78 Model Aviation FAI SAFETY CODE FOR RC HELICOPTERS RC Helicopters current ruies CN section April 1977 issue remain provisional blended RC Helicopter Subcommittee rules changes proposed West Germany presented December 1978 ClAM meeting approval new combination meantime approved change current K-factors through di viding 5so 15 10 S become 3 2 1 Also new Safety Code RC Heli copters approved see elsewhere sue RC Electroflight new set provisional rules approved replace previously effect new rules have tested European competi tion 1977 considered prac tical improvement over previous provision al rules new provisional rules else issue Scale RC Maximum Weight Rule 31 changed 5 kg 11 lbs 6 kg 13 lbs 36 ozs fuel including dum pilot Definition Scale Models further de fine permissible models agreed change 11 such aircraft has air borne acceptable subject meaning designs built never flown acceptable RC Quality Landing landing circle used rule 3712 25 meters 49 diameter factor K9 landing within circle factor K4 land ing outside circle Judging Agreement judges Guide General following sentence de leted because impracticality applied maneuvers desirable principle judges conferring agree realism flight scoring applied flight maneuvers order avoid large dis crepancies between individual judges marks Future Rules changes FAI Scale Rules will frozen until end 1982 except ratio between subheadings sta tic scoring complexity headings may changed provided total K-factors section changed Static Judging Points Rule 15 previously said fractions tenths point could used tenths now has deleted Proof Scale Add 94b Color drawings authentic sources eg Pro file type publications including three views acceptable proof color mark ings Also proof tbe cruising speed must supplied Judging Fidelity Scale crafts manship Separate judging fidelity scale craftsmanship complexity have elim inated Instead approved modify 110 follows provide combined scoring fi delity scale craftsmanship com plexity bonus handled separately Fidelity Scale craftsmanship 1 Fuselage 2 Wing equivalent 3 Tail surface equivalent empennage 4 Landing gear 5 Propulsion units 6 Cockpit cabin detail 7 Finish color markings pecial ingenuity complexity Bonus new section has added heading following rules order compensate models com plex prototypes inherent disadvan tages flight following bonuses shall awarded form percentage total flight score Wings Monoplane Biplane single bay Biplane double bay lane Quadruplane Engines Single Twin Engines Three Engines Four Engines Above four Undercarriage Fixed tricycle0 Fixed conventional bicycle monowheel5 Retractable tricycle Retractable conventional General Pre-1914 design10 Notes order qualify multiple engine bonus power ratio engines must per prototype engines must operate Judges shall decide upon appropriate percent bonuses applied flight score model during static scoring procedure Other paragraphs rules necessary revised accommodate combined scoring fidelity scale workmanship judging separate application complexity bonus Realism Flight CL RC 272 3710 following footnote has added scale model cruis ing speed prototype must stated flight scoring form Discrepancies Documentation Add judges Guide discrepancy measurements due scaling up drawing stated basic dimensions should prevail discrepancy between drawings stated basic dimen sions latter should prevail Measurement Tolerances Judges Guide tolerances 03% measurement fuselage wing have eliminated RC Taxi Present 371a has elimi nated replaced three sub-paragraphs according landing gear type follows aa Models aircraft using two-wheel landing gear tail skid two-wheel gear non-steerable tail wheel other gear config urations allowing steering will taxi ward wind distance up 15m slow down near stop stop come airborne realistic manner ab Models aircraft using two-wheel landing gear steerable tail wheel will taxi forward wind downwind contestant prefers distance up 1 Sm K1 0 using 5 turn visibility taxiing procedure slow down near stop stop depending K9on whether prototype equipped K9with brakes become airborne - K8realistic manner odels aircraft equipped K1 1steerable tricycle landing gear will taxi down- -K4wind least 1 Sm stop turn least 120 de grees wind become airborne realistic manner Errors Model does stand still unassist ed before commencirg taxi Model does follow prescribed course Model does halt before taking off prototype brakes Model taxies too fast Model does taxi manner prototype % Bonus Downgrading Ready-Made compo 0 nents Craftsmanship Judging last sen tence changed read marks 10 other commercial items should graded least 50% unless has 20been considerable degree reworking FF Scale rules provi sional since 1971without evidence in0 ternational use have dropped New rules 10 may proposed time future 15 RC Scale Gliders As per F F Scale 20 provisional rules have used 25 internationally since adopted 1972 have dropped World Records RC Glider Speed Straight-Line course 10 Special conditions RC Gliders have 10 eliminated future RC Gliders must use same base altitude require ments RC Power models primary pur pose lengthen RC Glider base has become especially important due high speeds being attained Automatic Timing speed records straight line following new rule has added speeds above 300 km/hr 1864 mph manual actuation timing devices permitted Only automatic means tim ing eliminate human error factor permitted must certified accurate within 1/100 second c closed course Speed Records Ap proved new record categories Power models Gliders separately per fol lowing rules Base course consists square de fined four prominently colored pylons poles set 200m 6562 apart 90-degree angle other situated flat land land minimum fall exceed 1 meter 200m within 1 km course An upright pole 20 meters 657 cor ner square extension line drawn between two pylons side square will establish Starting/Finish Line Four judges will situated immediately under pylon will raise red flag signal lights model infringes side space bounded poles Note essential accurate speed measurement poles absolutely ver tical order prevent course length differ ence altitude RC Gliders must free launching cable specified 725 prior crossing Start/Finish Line Models land prior completion four legs course intrude forbidden airspace except after timing completed disqualified flight void no altitude restric tion prohibition against circling thermals outside course Timing begins model crosses Start/Finish Line ends model completes course again crosses Start/Finish Line still airborne intermediate landing within 30 minutes launch Availability Record Data ClAM voted unanimously recommendation CASI March 1978 79 FAI Rules Cont appropriate high FAI authority photocopies record dossiers available upon request national aero club fee cost plus 10% World Championships 1978 Control Line Speed Team Race Aeroba tics Combat plus Control Line Radio Control Scale approved August 4-10 Woodvale England near Liverpool Indoor bid Romania ac cepted because required guarantee FM South Africa allowed participate condition allowed However ClAM president empowered see condition would removedon assurance South African delegate no team country would partici pate matter left hanging ClAM president advise countries end January whether Romanla some other country would host event Note press time both England US considering possibility offering host neither good position Spacemodels model rockets Bulgaria approved host early Septem ber probable date 1979 RC Aerobatics Approved South Africa probably September Note An expected offer Mexico did materialize dele gate Mexico present no information regarding offer host RC Soaring Offers US Bel gium noted Both countries sub mit firm details offers ClAM Bureau officers meeting Paris March 31 Bureau will decide offer will prevail AMA currently working National Soaring Society SOAR group Chicago view toward holding event city Free Flight firm offer Yugoslavia approved site European Championships held end May early June Note site said five kilometers square 1980 Control Line Speed Team Race Aeroba tics Combat firm offer Belgium approved Radio Control Control Line Scale firm offer Canada approved held Ottawa RC ELECTRO-POWERED MODELS F3E PROVISIONALAS ADOPTED DECEMBER 1977 Definition RC Electro-Powered Models Model aircraft lift generated aerodynamic forces acting surfaces remain ing fixed during flight except control sur faces performs maneuvers con trolled pilot ground using radio control connection propulsion model effected fixed foldable propel lers driven electric motor can regulated during flight power-pack electric motor must have fixed connection ground another model air Recharging power-pack solarcells permitted during flight Prefabrication Model Permitted plane assembled builder prefabricated parts builder installs equipment Permitted Models com pletely prefabricated require few minutes unskilled efforts completion complete ready-to-fly models have built person other pilot General Characteristics RC Electro-Powered Models Maximum surface area 150 sq dm 2325 sq Maximum total weight 5 kg 11 lbs Maximum loading 75 gr/sq dm 2457 oz/sq ft Minimum loading 12 gr/sq dm 395 oz/sq ft Number Helpers pilot permitted helper Number Flights competitor class has right three official flights two best flights shall counted Take-Off Take-off must executed either two manners described hereafter change type take-off during contest may allowed contest director whole round Take-off ground hand-launchingWhen hand-launching competitor helper have ground hand-launch model use starting devices Definition Attempt attempt a the pilot announces take-off b model taxies case take-off ground c pilot releases model case hand-launching dl model fails start within five minutes allowed Number Attempts competitor al lowed attempt official flight Exceptions An attempt may re peated organizers judges discretion reason outside control competitor organizer model unable take-off Definition Official Flight official flight attempt made what ever result repetition official flight permitted take-off possible possible due time safety reasons b competitorit has proved cannot perform flight due outside inter ference no scoring made reasons outside control competitor such cases take-off may repeated im mediately after fruitless attempt take off after personal report contest manager during same round out round Marking maneuver round will awarded points Scoring flights starts model released case hand-launch ing b model starts taxi ground Scoring flights ends a model fails start within allowed time b model touches ground ob struction connected ground c lettisoning occurs dl official flight completed No scoring will made following rea sons a when model used already anoth er competitor same contest model accordance general rules characteristics class b model started permission wrong starting sequence c competitor fails return transmit ter flight completed case un authorized use transmitter during flights dl pilot fails release model starting point employs two helpers e pick up transmitter before second call made commencing take-off before called fI entering starting area before second call made switching transmitter before nouncement gI pilot fails take-off within allowed time three minutes officially called hI repetition start permission I starting manner allowed particular category ii hand-launching effected ground using take-off devices k pilot moves away take-off area does operate transmitter himself I model leaves flying space maneuvers cannotbe seen judges Classification final classification will determined aggregate sum two best flights case tie first place final result will established fly-off Any fly-off must take place within hour normal finishing time contest No attempts permitted results fly-off shall count establishment title such World Champion prizes awarded Judging a The organizer must appoint panel least three judges official flight judges shall preferably different na tionalities elected list per sons approved National Aero Clubs ClAM rotation system equivalent system may used provided judge will score contestant equal number times specific system employed World Championship must stated ad vance organizers must have prior approval ClAM ClAM Bureau b There shall training flights judges briefing before after held immediately before World Cham pionship Organization RC Electro-Flight Contests transmitters used contest must checked placed compound kept under observation During con test steward must control trans mitter compound will issue transmit ter competitor name called standby flight As soon attempt has ended competitor must im mediately return transmitter steward transmitter compound unauthor ized transmissions during contest will re sult automatic disqualification offen der entire contest render him li able further penalties order starting 80 Model Aviation no scoring 2 various countries competitors will established means draw before start contest Competitors must called least five minutes before required occupy starting area organizer must provide radio-monitor purpose detecting possible interferences Suggested Schedule Maneuvers F3E Spe cial Out 14 maneuvers listed below six must chosen flown competitor sequence maneuvers has laid down writing valid rounds Take-off ground permitted scoring provided another maneuver replacing schedule has completed within time max 5 minutes counting se cond official call Maneuvers 0Hand-launching 1Take-off ground 2Two inside loops 3Two outside loops3 4Double lmmelmann2 5Turn1 6Spinthree turns2 7Cuban Eight3 8Running Eight starting down ight starting middle2 10Three horizontal rolls2 11 Four-point roll3 12SIQw roll mm 4 sec3 13 Approach rectangular four legs aLanding 30 m circle1 14bLanding 15 m circle2 Suggested Schedule Maneuvers F3E Junior Models two axes radio control steering Engine running radio-controlled Landing aids schedule has completed within time 5 minutes counting second official call After launching hand following ma neuvers have flown given order Coefficient Maneuvers 1Two outside loops3 2Turn2 3Inverted flight starting ending Ia loop2 4Spintwo turns2 5Approach2 6a Landing 3Gm circle1 6b Landing 15 m circle2 Schedule Maneuvers Electro-Motorgliders two turnlines distance 150 meters middle distance shall gate Gate two poles 3 m high dis tance 20 m turnline shall timekeeper flagman model running engine handlaunched Time release taken timekeeper first task pilot has total flight-time 200 sec has decide much will use climb much gliding competitor has shut tle between two turnlines often pos sible gliding turnilnes have over flown time full leg com petitor given 10 points Restarting en gine before expiration 200 sec termi nates scoring does expiration 200 sec After task competitor has fly again through gate soon possible passing gate timekeeper No 2 takes time flying through gate proper altitude means between two poles lower top 10 points grant ed After passage through gate climb starts delay Now total time climb gliding will 300 sec Again up competitor decide much time will use climb much gliding second gliding time competi tor given point second over 300 sec total flight time point shall deducted important gliding time taken motor cut gliding time ends motor restarted Lee Hines Costa Mesa CA holds own design Ulti max A-2 Towline Glider set Open age class national record December 18 1976 rec ord still stands 53 Coefficient minutes 46 seconds comprised 12 maxes last five progressively aeasing times increments minute 13th flight 148 seconds record set Elsinore CA Record Trials organ ized Sky Hoppers Orange County very super special dayforfly ing Free Flight Hines said Ultimax features wing 15181 aspect-ratio CH-407 airfoil modified per Crowley/Klintworth undercambered stab airfoil 7% thickness Covered Japanese tissue model also Seelig de thermalizer timer Czech cir cle tow hook NFFS fiber glass tail boom CONTEST COORDINATORS I Pad L Penney S Chalorta AndOne, MA 01810 II R SobrinO 87-26 88th St. Woodlsanen Oseens NY 11421 Bc Bryan Sattlar 29 Waldorf P1. Schesecnfdy NY 12307 5c Frei Rlackborn6 Bloe8psoce Ln Cotsnack LINY 1172S III Ken Raber Rd 1 Naaareth PA 18064 lEash M Wesanbach 4585 W 148s1s St. cleneland OH 44135 West Rc J Slaver 809 Forest Rose Ave. Lonter OH 43130 West V Warren sanders Jr 9735 52nd Ave College Pk MO 20741 Sc J Lawrence 12538 Ffoodstock Dr. upees Marlboro MD 20870 V Sen Cleveland 708 Coontry dab Tollatonsa TN 37388 RC J Oasis Jr18135 Lakeshore eirsnngnaatAL35216 RC Ctsarlene Fields 818 Main St Ness Ellisoton sc 29809 FREE FLIGHT CONTEST BOARD I Henry Strock RFD No2 Hat4ssg Old Lysno CT 06371 II Carrel Alvin 2Araona R Hontngson sta NY 11746 Ill Rody Klcibar 2021 Lakeland Are. Lakewood OH 44107 IV joe 8oy1e J. 218 Slsanedosh Rd. Hampton VA 22361 V Sooty Jonkios 3112 East Raises Rd. Marnpnis TN 38118 VI Chris Massono 10132 Oooglass Ct. 55 Ann MO 63074 VII Phil KIntwosth Jr. 715 Rosters Rd. Rocnestes Ml 48063 VIII Mark Valascs 23132 Poeseran Dr Honstot TX 77055 IX Edward ColIos 4318 6 Utah FV Denver CD 80222 X Joe Nontross 4836 Wee 123rd St. Hawthorne CA 90250 XI Ernie Linn 16858 121 Ate SE Rattan WA 88096 CONTROL LINE CONTEST BOARD George rlggrls P0 Boo 482 North Pembroke MA 02358 II 811 Sots 7706269th St Ness Hyde Park NY 110413 Ill Lairn Jackson 523 Meadtssbrook St Davids PA 19087 IV Rae McNIIy 6118 8da As. SisrngdiM VA 22152 V Date Hernstracght D 80 171 Motcha Corner SC 29461 VI Sob SoreS 132 Rocklord Apt 12 Porest Park IL 80130 VII Jantss Sinton 4941 Wisconsin Ave N Now Hope MN 55429 VIII Charles Atatton 3730 Kiesnorest Dallas Tx 78233 IX Michael Tallmen 3014 Sochenge Wichita KS 67217 X Pate Srandt 405 21st St. Manhattan Stack CA 90286 Xl Dan Ratherford 4706 227th P1 55. Bothall WA 98011 pull However motor may re versed after announcement Landing ap proach landing included glid ing time Having announced landing ap proach pilot may use landing aid Landing 30 m circle Coefficient m circle tal flight time ends model touches ground program aims development models good rate descent min imum speed relatively high rate climb power-flight VI Kit DeWant 3930W Jettersot Kokosno IN 46901 BC Ralph White R R 1 Boo 324 Neoga IL 62447 VII John Evert 421 Walnot Ln Apple Valley MN 55124 West Wesley Slave 1213 Wall St. Port Horon Ml 48060 East VIII John Deaton 5012 Royal Or. Ft Worth TX 76116 BC Larry Stanfitld 301 Wilson St Crossley TX 78036 IX JantesT Fitiey6540 6 Central Wioltita KS 87206 BC Robert Arnntt 2009 Keasas Great Bend KS 87530 X Myrtle Coad Rt Boo 19 Losses Lake CA 85457 Northl Lee POlotkh 258 nt Ave. Dolana CA 93017 Sooth XI Don Dodd 3409 Baltidere Ava. SW Seethe WA 98126 Rc Donald Miller 3436 S 263rd St. Kent WA 58031 RC Pylon & Soaring Rd Pattern sod tnher RC RC Soaring attern Pylon & other RC RADIO CONTROL CONTEST BOARD I Does AIlsed 38 Sosnsst Rd LeninStan MA 02173 I Joe Frend 62 Joysan Tens PraehOld NJ 07093 III Dave Bsossn 8534 Haddlestos Cincinnati OH 46236 IV Fred M Gregg 12709 RichssOfld St Osestas VA 23821 V Rhert Miller Sr 3035 Lakeshore Os. Tallahassee FL 22302 VI hoE Underwood 4109 Coescord Oaks Dr. S Lons MD 83128 VII Peter Waters 31219 Kendtll Unonia MI 48154 VIII Davd Hyde 2026 Snossssass Lt Garlatd TX 75042 IX Loren Tregellas 3002 S Everett Withta KS 67217 x Bill Neetheop Ie. 621W lkh St Cost Mm CA 80627 Xl Ralph Brooke 3431 5 194th Seartle WA 98188 SCALE CONTEST BOARD I Richard Sharesas 406 River Rd. Tessktbory MA 01876 II Robert Gossens 55 Snoressay Dr. Rochester NY 14012 III Edward Wissar 1521 Sosssst St MoKeasport PA 15130 IV Bob KarIsson 2643 Marsh Rd. Wilssiogton 05 19810 V Daoid PIart 6540 NW 15th Ft Laaclasdale PL 33313 VI Prank Seatty 2605 Pontoon Rd. Granite City IL 604O VII Ossad MeCalloagls Boa 40 Mentacees IA 80171 VIII Johnty Casborn Boc 8029 Ft Worth TX 76112 IX Dean Copaland 7817 Seward St. Osnana NE 68114 X Fraal Capan 251 Coatino de las Florne Encinitas CA 93024 XI Earle Moorhead 2750 View P1 5 Salem DR 87302 cONTEST BOARD COORDINATOR Don Lindley 420 Tapala FJpanill IL 60640 March 1978 81 DIRECTORY Bold Peos 610w IndIcate Otaictean Contat Board X SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX 0 Competition News will present time time constructive thought-provoking ideas further However feel being criticisms AMA rules policies affect competitors issue has two sides CNright just enough hobby where0 Owill endeavor print viewpoints have submittedwithin limits availableanyone times wrong read onX Co waco uniqueness constructiveness timeliness good taste Determination appropri- y railroad-highway intersections have Xateness publication of matters must necessity rest solely publisher O ght presented author should necessarily construed asflashing lights bells automatic gates yes-0 AMA HO AMA officers publisher should note publication terday stood sign read RAIL- -u 4rules-change policy-change idea does necessarily mean specific proposal has beenROAD CROSSINGSTOP LOOK LISTENCo O presented Contest Board Executive Council appropriate committee such action stop could see up down 0 Co responsibility author anyone else interested obtaining official action tracks could see up down X Xtracks would have Co 0 0tracks tracks wrong place Co 4THE BEST F F TEAMsupport manufacturers make en- Before get tracks LISTENIu Ogines timers towhooks etc make theInstead STOP-LOOK-LISTEN ouro CoBill BogartWorld Champs possible takes numbers flying lets use COOL agree onlyx X1975 FF Team Managerwell fanatics have entice new bloodtime can turn have Ointo program give us future teamscorrect clip Okay have proper clip 0 CoMike Kevilles letter August issue 4expressed opinion quality eve World Champs ulti-Turn immediately off say O1977 US FAI Free Flight Team Dave Lin-mate contest flyoffs should expected about one-second interval Now LISTEN Costrum commented Mikes letter De-and planned hundreds other nobody yells Im hit turn again0 off about three-second intervalX Xcomber issue calling philosophy atti-contests year featuring FAI classes andAgain LISTENI still nobody yells aCo Otude Mikes letter almost too absurd But0 rules should keep contests theirsafe bet will shoot anybody down Co a.Daves reasoning discussing mistakes ofentrants well mind Without therethe other guy uses on/off precaution0 4 te Ed Carroll Team Finalswould no World Champs requiredthen wont get shot down eitherCo oBob o slowly FAI rules changes ff technique does take much Cois strange logic flier makes rinted Bat Sheet newslettertime after several flying sessions will beCo xmistake Finals may well make theof Strat-O-Bats Club Seattle WAsecond nature clubs have added0 osame mistake World Championships CoIf logical opposite must bemethods safety rules avoid crashes 4true eg fliers timer doesnt malfunctionAdd list until get flashing w Oat Finals likely malfunction atlights ringing bells automatic some-0 Cothe WC Balderdash logic absurdthing other will stop crashesX XWhat Mike laments others think-PROPOSAL TOHave correct ClipCo Coing about system team selectionturn On0 ahasnt developing selecting fliersREORGANIZE THE AMAturn OffU 4whohagreatest propensity potentialDick Singerthen ListenCo ove theo Coto win eventX xTonight October 24 Los AngelesPhoenix AZDo again Cool man Helpful reminder Add sign fre-Co ORams wiped up Colosseum Mm- osal offered attempt givequency clipboard label COOL CLIPS0 Co Vikings playoff last fall Vik-modeling model flying back inted Prop Wash newsletter 4ings made Rams look silly point isYouth Americathe Mercer County RC Club Trenton NJCo Othat given outing whether day orMEMBERSHIP IN NEW AMA0 CoX three flier may well poorlyany flier 1 Remove members over 18 years old XOver number contests best fliers wind2 Regular members AMA 8 18Co O0 Coup top very way we3 Associate members over 18 must V adevelop opinions best fliers aresponsored regular member B 18STAR NOVICE RC PATTERNCo have viewed Semi-finals results4 Regular members B 18 may sponsor0 Cofrom past Labor Day weekend willonly two associate members eachM Buck Peck X xhave noticed large number excellent fliersNorfolk VA Co O will going Finals-the resultAMA SPONSORED CONTESTS0 One-clay contest1 shall events regular membersPattern simply gotten too complicated 4Is boils down enough flying inassociate members open eventsfor fun said old curmudgeons such Co 2 O the team selection still seem making associate event must Novice entry point populated o Co team selection simple economic Asthree regular member eventsopen gimbels white bucks retracts now X xeven tuned pipes years tried long aswe continue manner shall ASSOCIATE MEMBER OATH order brainstorm simplistic startin g point Co destined among also-rans WC associate member adult remain no avail Only start spend much time AMA member must stimulate Tidewater RC scheduled host Co O and money sport will develop fliers least two persons year become reg- 1977 Virginia State Championships 0 X Coof World Champion statusular members 8 18 associate mem- never sat down CD Jay Jennings Xber promises sasist help newinvented Star NoviceCo Omembers become happy competent mod-0 Co aelers model fliers1 Entrant must have previously placed-u 4in sanctioned Pattern contestCo O itted modelers concerned with2 Retracts installed may used0 Coour youth future ho bby x3 Before flight entrant will line out O FF FAI RULESGO SLOWany two maneuvers choice NoviceCo Coscore sheet will neither fly nor scored Steve 4 HelmickCo After World Champs up 40Easy run turned out successfully En- 0 X flyoff event atrants lumped regular Novice XCo oover limiting performance aRAI LROAD CROSSINGgroup identified small stars o Co no flyoff way see theSTOP LOOK LISTENThe judges scorers nothing different caliberto Extra trophies funded fliers WC level simplyDick Radcliffe ohas lousy conditions eliminate max-by entry fees 0 CooutsThere reasons crashThey loved Good club fliers several X x But wonder should modify rules Most now have heard years experience previously felt outCo O with World Champs mind should seen experienced yourself type classed equipment impression points 0 Co consider guys like myself seldom crash can add avoidance gave whirl Beginners year -g 4 max-out anyway like events other guy turns fre- experience werent stigmatized label Co 0 trying improve Limit performance quency did have proper fre Competent fliers won straightforward x through rules changes watch quency clip wrong four-channel Pattern craft fun Xaverage guy desert sinking shipwere guy proper clip youexperienced competitionCo 0 Remember takes large number ofwere right guy clip CDt licensed fee try -u aentries support team financially tofeels having clip enough read noour patented Star NoviceCo 0 SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX X 82 Model Aviation Nick Sher Langhorne PA made flight 12157 mph backed up another 12149 mph claim National AMA Record Control Line Speed Open age division record set October 91977 Dayton OH Cold Cash Speed Bash put Dayton Buz zin Buzzards Model Airplane Club previ ous record 12011 mph held Robert Bradshaw established 1974 model shown several photos page mostly constructed balsa basswood used strategically cov ered K&B fiberglass cloth finished clear K&B polyester resin Its wing has span 1 3% 1-5/8 center chordsym metrical airfoil model weighed 5 oz Power came Cox TD equipped GloBee plug tuned pipe supply ing information about record setter Sher said used Cox unported sleeve Schnuerle-cut tuned pipe Cox speed pan used prop re worked Cox gray 5 x 4 fuel tank homemade suction type Single line control used through B&S torque unit model Stanzel-type Monoline handle
Edition: Model Aviation - 1978/03
Page Numbers: 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83
NE WSLET ACADEMY OF MODEL AERONAUTICS 815 FIFTEENTH STREET NW WASHINGTON DC 20005 FAI RC SOARING TEAM SELECTION PROGRAM Ray Marvin Chairman FAI RC Soaring Team Selection Pro gram underway again select US team go World Championships 1979 Plans run program essenti ally same manner previous Jim Simpson ably conducted good program resulted team went take first place individual first place team honors World Championship South Africa coming program will seeking team can repeat performance program being administered National Soaring Society restricted NSS members open AMA members aware program works procedure follows first step enter quarter-finals con test cost will $25 plus cost FAI stamp will no additional charge advance semi-finals finals process setting up contest schedule now check area see quarter-finals contest sched uled get club sponsor get AMA Contest Director club ap ply sanction schedule meet dur ing month April May June CD quarter-finals contest will provided program registration forms will able collect FAI stamps AMA membership contestant reg isters CD must check valid current AMA license FAI stamp collect $25 program entry fee fill out registration form Following quarter-finals CD will complete contest report names scores entrants regardless standing report will forwarded entry fees collect AMA Headquarters immediate ly upon completion contest Entry fees will used primarily team travel within US country World Championships apportionment AMA dues covers over-ocean travel contests will run strict accor dance FAI rules exception motorgliders excluded order ad vance semi-finals contestant must tain least 80% winning score after least three complete rounds fail first attempt may enter other quarter-finals contest try again qualify fly semi-finals may attend choose will six 10 scheduled various parts country will flown over first weekend July 1-3 follow ing weekend 8-9 contest given area may scheduled first week end second may scheduled second weekend Results semi-final contests will forwarded program chairman number contestants semi-finals contest eligible ad vance finals will determined accord ing following formula Number contests semi-finals x 36 Total number contestants semi-finals will notified eligible attend must notify finals CD plan attend Alternates will invited attend have qualified un able Finals competition will over Labor Day weekend least six rounds will flown top three fliers will com prise US team should unable attend first alternates finals will invited convention three members preceding team automatically quali fied enter finals Skip Miller Dale Nutter LeMon Payne may en ter no two quarter-finals semi-final payment entry fee However scores will used calculate else eligible advance competition site finals contest has yet de term ed will known until March 1978 World Championships will held AMA has made bid have US important thing now get team selection program squared away So want participate just follow pro cedure outlined above sure let know have scheduled quarter-finals contest have questions about program please feel free write ad dress Ray Marvin 2781 5 Garfield Denver CO 80210 names addresses Team Se lection Committee members follows may contacted information con cerning program District Dwight Holley 151 Chestnut Ridge Bethel CT 06801 District II Leon Pike RD 1 Lowman NY 14861 District Ill Dave Burt 180 5 8th St Apt 4 Indiana PA 15701 District IV Brian Foster 1757 Latonia Rd Winston Salem NC 271 07 District V Jim W Lenoir 6017 Ellington Rd NW Huntsville AL 35810 District VI John Nielsen 3744 Lake Wil mette IL 60091 District VII Warren Tiahrt 1086 Ashley Troy Ml 48098 District VIII Dale Nutter 7935 5 New Haven Tulsa OK 74136 District IX Skip Miller 655 Maxwell Ave Boulder CO 80302 District X Dave Thornburg 3635 Mt Vernon Rd Sebastopol CA 95472 District Xl Don Burt 4001 5 275th P1 Auburn WA 98002 FAI RULES CHANGES following new changed rules adopted FAI Committee Interna tional Aero Modeling ClAM its annual meeting December Paris AMA com petition purposes such new changed rules effective immediately January 11978 anticipated Control Line rules changes will applied 1978 CL World Championships Indoor Free Flight Collision Rule Reflights Add re commenced flight must flown before next official flight US proposal slightly modifiedbased principle reflights should made essentially same air conditions original flight Timing Add c time recorded mean two times registered timekeepers reduced nearest whole number seconds below resulting mean time New Beginners Class Provisional rules established based upon modified FF Subcommittee proposal class mon oplanes 460mm 1811 mum wing span 3 grams 1058 oz minimum model weight rubber motor 15 grams 0529 oz maximum rubber motor weight Microfilm covering excluded other covering material may used Only flights 60 seconds considered official steering prohibited otherwise rules same World Champion ships class Steering Authorized use 1978 Indoor World Championships new rules adopted 1975 have implementation delayed until 1979 rules shown 1976-77 AMA rule book Outdoor Free Flight Flight Procedure Starting positions line right angles prevalent wind indicated small poles respaced 7 10 meters 23-328 feet apart Fl A-2 Glider 4 5 meters 131-164 March1978 73 FAI Rules Cont feet Fl B Fl C Wakefield Rubber FAI Power A-i Towline Gliders New provisional rules approved providing maximum sur face area 18 sq din 279 sq mini mum weight 220 grams 776 oz maxi mum towline length 50 meters 164 feet five official flights having maximum flight time 120 seconds Other fact requirement timers use bi noculars World Championships appli cable A-i remaining A-2 rules also applicable A-i Note Due revi sions new National AMA Records start ed category January 1 1978 Control Line Speed Fuel Now requires 80% methanol 20% castor oil equivalent75/25 formula eliminated Diameter Control Lines clarification given minimum diameter 389mm anything over okay Line Spacing previous definition reworded expand restrictions against line linking No intentional twisting and/or linking two lines together shall per mitted point exit model control handle lines shall sep arated least 5mm 2 point exit model least 25mm 98 handle Timekeeping slight rewording ap proved provides competitor right repeat flight difference tween two times recorded greater 2/i 0th second CL Aerobatics Hand Signal Elimination US pro posal rejected 8 ii against Scoring US proposal accepted maneuver flown out sequence will scored Omitted maneuvers scored succeeding maneuvers considered sequence flown proper order relative remainder flight pat tern CL Team Racing Timekeepers Belgian proposal ac cepted replace previous paragraph 7a required two timekeepers two lap counters three timekeepers follows Three timekeepers assigned team stand outside flying circle near starting point model control charge timekeeping lap counting particular team Para graph 12b changed accordingly 1 2c referring lap counters deleted Duties Jury new paragraph has added section 13 c time penalty five seconds shall given team start ing engines before starting signal CL Combat Jury Guide Several US proposals clari fy description handle illus tration specify crepe paper streamer should have minimum weight 50 grams per sq meter referred CL Subcommittee further action Competitor following clarification added para 4 helpers maxi mum 6 other team members team manager must registered partici patingon no national team beginning competition through its close Method Scoring new item U.SSR added section 11 g whole second stay ground model shall penalized 1 point case model flyaway lines handle ground time shall com mence moment such flyaway Cancellation Flight new item sec tion 16 US Netherlands added releases controls model flight before has come complete stop landing Radio Control Aerobatics complete new set rules approved per text elsewhere issue some interesting special features Total weight now measured fuel no longer wing loading requirementonly maximum surface area Maneuvers now three groups pattern B pattern list extra maneuvers can used finals World Championships competi tion normally will two flights B patterns top 10% contestants top five whichever larger will choose 14 maneuvers among three groups fly two NEW NATIONAL RECORDS STARTED JANUARY 1 conclusion rules-change cy cle review made see what new categor ies have reached official status enabling flight performances considered National AMA Record purposes whether rules have changed other categories such flight performance potential consid ered reduced latter case also flights scored differently new rules fresh new records started effective date new rules New records thus started following flights made AMA sanctioned competition beginning January 11978 Indoor Ornithopter three age classes three ceiling heights Novice Pennyplane three age classes three ceiling heights Outdoor Free Flight Electric Power three age classes A-i Towline Glider three age classes Category Ill same events Cat II three age classes Class C FF Power three age classes Cate gories 111 Ill Class D FF Power three age classes Cate gories 111 Ill Ornithopter three age classes Categories land Ill Control Line Junior B Proto Speed Senior AA B C Speed Profile Proto B Proto Speed Open D Speed 1AA Profile Proto B Proto Speed Note 1AA Proto full fuselage event eliminated flights finals contests other World Championships fixed schedule using same maneuvers may provid ed idea simplifying Contest Direc tor judging problems eliminating pilots choice maneuvers Noise Measurement Based US ex perience 1977 World Championships Springfield OH Aerobatics Subcommit tee will restudy silencer requirements view toward simplifying improving requirements application 1979 World Championships RC Pylon Racing previous official rules changed provisional status could exper imented easilywith goal finding universally acceptable model Continued page 78 FAI ClAM TECHNICAL MEETINGS list took part 1977 annual ClAM meetings Paris reads like Whos International Model Aviation Because stature people strongly influence trends progress activity therefore im portant AMA well represented meetingsso among lead ers rather followers four basic aeromodeling tech nical meetings Parisgatherings techni cal experts countries meet ings produced recommendations 29 voting delegates per country final say FAI rules changes meet ings took part Control Line Laird Jackson USA E Rumpel W Germany M Souliac France Y Sirotkin USSR Aarts Netherlands J Magne France R Beck Hungary Free Flight P Allnutt Canada P Chausse bourg France George Xenakis USA E Krill AustriaA Oschatz E GermanyC Sundstedt Sweden Abaunza Mexico G Burford Australia Kaynes United Kingdom M Dilly New Zealand M EI-Azizi Egypt V Sreckovic Yugoslavia W Koelliker Switzer land Scale H K Ziegler Switzerland D E Thumpston United Kingdom E Sharp Can ada Y Sirotkin USSR JP Jensen Denmark Bob Wischer USA Aarts Netherlands C Sundstedt Sweden J Reggiori France Beaufils France Radio Control Chris Olsen United King dom Jean-Claude Rey France Andre Beaufils France Georghiou Charalambos Cyprus Luigi Bovo Italy Warren Hitchcox Canada Ted Sharp Canada John Clemens USA Don Lowe USA Don Mackenzie So Africa Joe Dible Ireland Jean Ganier France John Burkam USA Adam Sattler USA John Worth USA Peter Blommaart Belgium Narve Jensen Norway Ottar Stensbol Norway Jens Jensen Denmark Werner Groth W Ger Werner Koelliker Switzerland Camille Gerard Luxembourg Axel Tigerstedt Fin land Geoff Dallimar United Kingdom Note RC Committee uses separate subcommittees Aerobatics Pylon Racing Thermal Soaring Helicopters 1978 new RC subcommittee added ElectraFlight electric motor powered models 74 Model Aviation FAI RC AEROBATIC POWER MODELS F3A AS ADOPTED DECEMBER 1977 1 Definition Radio Controlled Power Model Model Aircraft aerodynamic ally maneuvered control surfaces atti tude direction altitude pilot ground using radio control 2 Prefabrication Model Permitted model aircraft assembled com petitor prefabricated parts competitor installs equipment permitted models completely pre fabricated require few minutes unskilled effort completion com plete ready-to-fly models have built person other pilot 3 General Characteristics Radio Con trolled Power Models Maximum surface area St 150 din2 2325 sq Maximum tal weight fuel 5 kg 11023 lbs Maximum swept volume motors 10 cm3 61 cu maximum noise level method measuring stated Annex 4 Number Helpers pilot allowed helper during flight Two helpers may present during starting motor 5 Number Flights competitor has right four official flights 6 Definition Attempt tempt a when pilot announces take-off maneuver b when model fails commence take-off maneuver within three minutes allowed competitor c if motor stops after pilot has nounced start take-off before model airborne may started within 3-minute period However no points will awarded subsequent take-off ma neu ver 7 Number Attempts competitor entitled attempt official flight NB An attempt can repeated discretion Jury un foreseen reason outside control competitor model fails make start ie radio interference 8 Definition Official Flight official flight attempt made what ever result 9 Marking maneuver may awarded marks between 0 10 judges during flight marks multiplied coefficient varies difficul ty maneuver Any maneuver com pleted should scored 0 maneuvers must performed plane height will allow seen clearly judges approximately 60 degrees vertical ly 90 degrees horizontally non-ob servance rule will heavily penalized loss points model opinion judges unsafe being flown unsafe manner may instruct pilot land 1OClassification See Annex 11Judging World Championships a the organizer must appoint panel least three judges flight judges shall preferably different nationalities elected list persons approved National Aero Clubs ClAM specific system employed World Championship must stated ad vance organizers must have ap proval ClAM ClAM Bureau b shall judges briefing training flights before WC 12Organization RC Aerobatic Contests transmitters contest site must checked placed compound kept under observation During contest Stewards must control transmit ter compounds will issue transmitter competitor name called make flight As soon competitor has made official flight competitor will immediately return transmitter Steward Any unauthorized transmissions during period contest will result auto matic exclusion offe,der en tire contest render him liable further penalties During flight competitor must stay proximity judges under supervision Course Steward order starting various coun tries will established means draw before start contest compatible transmitter frequencies Competitors must called least five minutes before required occupy starting area Once competitor has given per mission start may delay no longer minute before attempting start motor timer will notify competitor minute finished immediately start timing 3-minute starting time organizer must provide adequate radio monitor purpose detecting radio interference means communi cating information pilot NEW FM PA1TERN RULES AFFECT ON AMA EXPERT AND MASTER CLASSES Its too soon fully assess what effect new FAI RC Aerobatics rules will have AMA Expert Master classesbut some al ready have expressed opinion new FAI World Championships system two flights pattern two flights other pattern additional two flights top fliers third pattern will compatible typical US contests Fur thermore theres aspect RC Con test Board pre-existing FAI pattern mind voted Ex pert Class would fly FAI pattern just same Master Class fliers will go unclear written late December Among possibilities might considered ever return Expert pattern Expert Class fliers and/or creation single composite pattern both Expert Master fliers Any action RC Contest Board will reported earliest possible time 13Scliedule Maneuvers RC Aerobatic Power Models maneuvers must execu ted during uninterrupted flight order listed time model passes front judges maneuver must executed except after take-off before landing case pass may made maneuver being performed recommended pilot helper should vocally indicate judges pilot about execute maneuver competitor may make attempt maneuver during flight pilot has three minutes start motor 10 min utes complete flight 10 minutes start competitor attempts start motor NB pass made model flies over line perpendicular center judges schedule maneuvers given An nex B descriptions maneuvers Annex C ANNEX 3 Noise Measurement defined ClAM RC Subcommittee 1OClassification competitor will have four flights two Schedule two Schedule B best scores schedule will added together determine team placings top 10% first five competitors will compete fi nal determine individual winner final will consist two flights com petitor best will added previous score determine winner final schedule will chosen competi tor complete list maneuvers Only 14 different maneuvers may selected cluding take-off landing give maxi mum total score 450 points Only Figure M may included ANNEX B Schedule Ta ke-Off Double Immelmann Three Reverse Inside Loops Rolling Eight Slow Roll Top Hat Horizontal Eight Figure M /4 Rolls Three Outside Loops Three-Turn Spin Three Horizontal Rolls Landing Total x 10 ctor 2 3 2 3 3 2 5 2 2 3 290 K Factor 2 2 2 2 2 4 3 3 5 2 290 March 1978 75 Schedule B Take Off Reverse Double Immelmann Cuban Eight Three Inside Loops Straight Inverted Vertical Eight Four-Point Roll Three Reverse Outside Loops Two Rolls Opposite Directions Figure M /4 Rolls Cobra Roll Landing Total x 10 Pattern Rules Cont List Extra Maneuvers FinalsK Factor Avalanche3 Inverted Spin3 Square Horizontal Eight4 Eight-Point Roll4 Vertical Roll3 Aileron Turn3 Figure M3 Square Loop Four Rolls5 Two Snap Rolls Opposite Directions5 Reverse Knife Edge4 Inverted Top Hat4 Reverse Cuban Eight2 Reverse Point Roll4 Triangle Rolling Loop4 ANNEX C DESCRIPTIONS OF MANEUVERS maneuvers will start finish straight level flight have same altitude heading entry exit unless otherwise stated maneuvers will downgraded start finish straight level altitude heading same exit entry maneuvers have loop shall have loops same diameter similarly maneuvers have roll shall have rolls same roll rate consecutive rolls shall same alti tude Take-Off model must stand still ground motor running ing held must take off take-off run should straight model lift gently ground climb gradual angle take-off completed model approximately two meters 6% feet ground Downgrades 1 Model does stand still released 2 Changes heading during take-off climb 3 Model jumps ground 4 Retouches ground after becoming air borne 5 Too steep climb angle 6 Gallops elevation during climb 7 Wings level time Double lmmelmann Model pulls upintoa half inside loop half rolls upright flies straight level approximately second does half outside loop half rolls level flight Downgrades 1 Half loops deviate left right 2 Half rolls immediately after half loops 3 Half rolls deviate left right 4 Model pauses second fore half outside loop 5 Half loops same altitude Three Reverse Inside Loops Model half rolls level flight pauses approximately second does three consecutive side loops downward flies approximately second inverted half rolls upright loops should round superimposed Downgrades 1 Changes heading during half rolls 2 Loops round 3 Loops superimposed 4 Wings level during loops 5 Changes heading during loops Rolling Eight Model pulls upfrom level flight completes inside loop bottom exe cutes half roll makes second inside loop directly under first half rolls back level flight Downgrades 1 Loopsnotround 2 Second loop directly under first 3 Model level start finish half rolls 4 Changes heading during loops rolls 5 Wings level during loops Slow Roll Model rolls slowly through complete revolution either direction ma neuver takes approximately five seconds Downgrades 1 Changes heading 2 Changes altitude 3 Roll rate constant 4 Model does roll exactly 360 degrees 5 Roll takes less 4 6 se conds Top Hat Model pulls up vertical atti tude pauses makes half roll pauses pulls over inverted flight short period pulls down pauses makes half roll pauses re covers level flight Downgrades 1 Model vertical before starting fin ishing rolls 2 Rolls exactly 180 degrees 3 Model does fly straight level verted 4 Vertical horizontal legs same length 5 Rolls same length 6 Changes heading during maneuver Horizontal Eight Model pulls up com pletes % inside loop vertical posi tion does complete outside loop vertical position again recovers doing /4 inside loop Downgrades 1 Loops round 2 Model vertical crossover point 3 Changes heading during loops 4 Loops same diameter 5 Loops same altitude 6 Model does crossover same point Figure M Rolls Model pulls up vertical attitude executes /4 roll stall turns through 180 degrees turns again same direction first roll does out side loop vertical attitude again rolls same direction first two does verted stall turn through 180 degrees /4 rolls same direction other three recovers level flight Viewed side model executes figure M Downgrades 1 Model vertical start finish rolls stall turns 2 Stall turns 180 degrees 3 /4 rolls exactly 90 degrees 4 Bottom outside loop level en try 5 Changes heading during outside loop rolls 6 Stall turns same altitude Three Outside Loops Model pushes over executes three consecutive outside loops loops should round superimposed Downgrades 1 Loops round 2 Loops supsrimposed 3 Wings level during loops 4 Changes heading during loops Three-Turn Spin model establishes heading power reduced model held slightly nose high attitude until stalls commences spin model will autorate through three complete turns recover same heading different alti tude Downgrades 1 Entry level 2 Does make three turns less two four score zero 3 Does finish same heading 4 Wings level during recovery 5 Spiral dive scores zero Three Horizontal Rolls Model rolls uni form rate through three complete revolutions either direction maneuver takes approxi mately five seconds Downgrades 1 Changes heading during rolls 2 Changes altitude during rolls 3 Roll rate constant 4 Model does exactly three rolls 5 Maneuver takes less 4 6 seconds Reverse Double Immelmann Model pushes over executes outside loop followed immediately roll pauses approxi mately second does /2 loop immed iately rolls level flight Downgrades 1 Changes heading during /2 loops rolls 2 A rolls immediately after loops 3 Model pauses second fore inside loop 4 A loops same altitude Cuban Eight Model pulls up executes inside loop 45 degrees inverted mod el does half roll followed another inside loop again 45 degrees inverted model does another half roll recovers level flight Downgrades 1 Loops round same size 2 Model 45 degrees before commence ment rolls 3 Changes heading loops rolls 4 Rolls cross over same point Three Inside Loops Model pulls up exe cutes three consecutive loops loops should round superimposed Downgrades 1 Loopsnotround 2 Loops superimposed 3 Wings level during ioops 4 Changes heading during loops Straight Inverted Flight Model half rolls inverted flies straight level inverted minimum four seconds half rolls back level flight half rolls may either direction Downgrades 1 A rolls level 2 Inverted flight straight level 3 Changes heading during rolls verted flight 4 Inverted flight less three five seconds Vertical Eight Model pulls up executes complete inside loop bottom pushes over completes outside loop directly under inside loop Downgrades 1 Loops round same diameter 2 Changes heading during loops 3 Wings level during loops 4 Outside loop directly under inside loop Four-Point Roll Model rolls through 360 de grees hesitating 90 degree point hesitation wings parallel vertical horizon maneuver takes approximately five seconds Downgrades 1 4 rolls less 90 degress 2 Model does hesitate after roll 3 Roll rate constant 4 Roll takes less 4 6 se conds 5 Changes altitude Three Reverse Outside Loops Model half rolls inverted pauses approximately se 76 Model Aviation cond pushes up execute three consecu tive outside loops pauses approximately second half rolls level flight loops round superimposed Down grades 1 Loops round 2 Loops superimposed 3 Changes heading during loops rolls 4 Wings level during loops 5 Model pauses second fore after loops Two Rolls Opposite Directions Model rolls 360 degrees either direction immedi ately after rolls 360 degrees opposite direction rolls take approximately five se conds Downgrades 1 Changes heading 2 Changes altitude 3 Roll rate constant 4 Rolls exactly 360 degrees 5 Second roll does start immediately after first roll 6 Rolls take less 4 6 se conds Figure M V2 Rolls Model pulls up vertical attitude performs roll stall turn through 180 degrees another roll exe cutes half inverted loop followed third /2 roll second stall turn fourth roll recovering level flight rolls may direction stall turns must opposite directions Viewed side model executes figure M Downgrades 1 Model vertical start finish rolls stall turns 2 Stall turns exactly 180 degrees 3 / rolls exactly 180 degrees 4 Bottom outside loop level entry 5 Changes heading during outside loop rolls Cobra Roll Model pulls up 45 degree angle half rolls inverted attitude executes loop half rolls upright attitude re covers level flight Downgrades 1 Initial climb 45 degrees 2 Rolls 180 degrees 3 A loop 90 degrees 4 Descent 45 degrees 5 Changes heading during rolls loop Landing model flares smoothly touch ground within landing circle no bouncing changes heading rolls stop Landing maneuver will start two meters 6A feet ground Downgrades 1 Model impacts ground due lack flare 2 Model bounces after touchdown 3 Wings level 4 Changes heading 5 If model ends its back zero points 6 Model lands outside 30 meter circle 7 If undercarriage leg retracts land ing zero points Avalanche Model pulls up completes half loop top executes complete snap roll~ recovers does another half loop finish level flight Downgrades 1 Loopnotround 2 Changes heading during loop 3 Wings level during loop 4 Snap roll 360 degrees 5 Roll snap roll Inverted Spin Model establishes heading half rolls inverted power reduced model held nose high attitude until stalls commences spin model will autorotate through three complete turns recover same heading different al titude half rolls upright position Downgrades 1 A rolls level 2 A rolls 180 degrees 3 Wings level during entry exit 4 Spiral dive scores zero 5 Does finish same heading 6 Does make three turns less two four score zero Square Horizontal Eight Model pulls up executes square loop bottom third leg does complete square out side loop behind inside loop model should rotate sharply corner straight paths should least 20 meters 65A feet long Downgrades 1 Loops square 2 Vertical downward paths coincide 3 Loops same size 4 Changes heading 5 Wings level 6 Loops same altitude 7 Sides squares same size Eight-Point Roll Model rolls through 360 de grees hesitating 45-degree point wings should parallel vertical 45 de grees horizon maneuvers take ap proximately 5 seconds Downgrades 1 1/8 rolls less 45 degrees 2 Model does hesitate after 45 de grees 3 Roll rate constant 4 Roll takes less 4 6 se conds Vertical Roll Model pulls up executes 360 degree roll vertically upward pushes over finish level flight Downgrades 1 Model vertical start finish roll 2 Roll exactly 360 degrees 3 Roll vertical 4 RoIl rate constant Aileron Turn Model pushes over executes 360-degree roll vertically downward re covers finish level flight Downgrades 1 Model vertical start finish roll 2 Roll exactly 360 degrees 3 Roll vertical 4 Roll rate constant Figure M Model pulls up vertical atti tude executes 180-degree stall turn either direction does outside loop again executes stall turn opposite direction recovers level flight Downgrades 1 Model vertical before after stall turns 2 Stall turns 180 degrees 3 Climbing diving paths parallel 4 Bottom outside loop different alti tude entry 5 Altitude second stall turn different first Square Loop Rolls Model pulls up completes square loop side model executes roll Downgrades 1 Loop square 2 Rolls 180 degrees 3 Wings level during loops 4 Changes heading during rolls loops 5 Sides square equal length Two Snap Rolls Opposite Directions Model snap rolls through 360 degrees recovers immediately snap rolls opposite di rection recovers level flight Downgrades 1Rolls 360 degrees 2Rolls snap rolls 3Changes heading 4Changes altitude Reverse Cuban Eight Model pulls up 45 degree climb half rolls executes % loop half rolls inverted loops back level flight same point entry Downgrades 1 Loops round same size 2 Model 45 degrees commence ment rolls 3 Changes heading during loops rolls Reverse Top Hat Model pushes vertical downward attitude half rolls loops level inverted flight flies inverted same distance downward path loops upward vertical attitude half rolls pushes over level flight Downgrades 1 Model vertical start finish half rolls 2 Rolls exactly 180 degrees 3 Model does fly straight level verted 4 Vertical horizontal legs approxi mately same length 5 Rolls same length rate 6 Changes heading during maneuver Reverse Point Roll Model rolls through 270 degrees hesitating 90-degree point rolls 270 degrees opposite direction hesitating 90-degree point finish level flight Maneuver takes approximately 5 seconds Downgrades 1 A rolls less 90 degrees 2 Model does hesitate 90-degree point 3 Roll rate constant 4 Roll takes less 4 6 se conds Triangle Rolling Loop Model pulls up 45-degree climb holds attitude ap proximately second loops through 135 degrees does complete roll loops through 135 degrees holds attitude approxi mately second recovers level flight same point maneuver started climbing descending portions should same length Downgrades 1 Climbing descending paths 45 degrees 2 Climbing descending paths same length 3 Roll 360 degrees 4 Model changes heading during loops roll 5 Model does start finish maneu ver same point * If initial entry spin smooth spin itself jerky uncertain reason downgrading indication spin true spin spiral dive dicated its smoothness increasing air speed during spin airspeed does crease appreciably ** A snap roll auto rotation horizon tal axis plane rails very rapidly nose-high attitude plane rolls along its axis snap roll SAFE FLYING IS NO ACCIDENT March 1978 77 FAI Rules Continued page 74 specifications racing procedures noted very unusual develop ment apparently necessary due widespread disagreement about rules among countries involved Pylon Racing reversion provisional status FAI World Championships Pylon Racing will possible until printing next Sporting Code after 1979 edition probably means 1984 earliest meantime interested return World Championships status RC Pylon rules will need help develop international agreement such rules over next four years including participation international contests using FAI provisional rules either rules presently exist may modified during next few years Provi sional status allows rules open change annual basis Adam Sattler chairman RC Pylon Racing Subcommittee coordinator APPROVED DECEMBER 1977 1 Premise utmost importance model fliers observe first safety rules Any accident caused careless ness hindrance progress model aviation safety rules obstacle enjoyment model flying guidelines established prove model fliers responsible people proclaim sign intelligence show ones own skill among spectators flier may know what doing has no way knowing what anyone else will So personal benefit make certain no action part will result accident therefore very important fly model aircraft competition pres ence spectators until has proven air worthy having previously flight tested 2 Competency Safety following ficials competent apply enforce safety rules Jury - the Contest Judges - the Contest Director - the Circle Marshalls - the Timekeepers - the Processing Officials - the Leaders Organization 3 Regulations Concerning Models Parts Prohibited a metal-bladed rotors b knife-edge leading edges main tail rotor blades c non-shock-mounted radio equip ment d ballast heavy part subject jettison ing Recommended a Blade attachment single through bolt self-locking nut allows blade lead lag hits something thus prolonging blade life b model should bear sticker listing modelers name address phone num ber c Radio antenna should restrained such manner eliminate chance its entanglement moving rotating part helicopter effort revive FAI activity cat egory Anyone interested should contact Adam Sattler 80 Rand Rd Apt A-2 Schenec tady NY 12309 RC Thermal Soaring General designation F3B now applies RC Thermal Soaring Gliders F3F has added RC Slope Soaring Gliders F3G has added RC Pow ered Gliders Both F3F F3G allow two models entered model specification certificate required entries international events must bear signed affidavit entrant has complied spirit rule 13 pertaining prefabrication Attempts Official Flight Section 16 completely replaced including title following 16 Attempts Official Flight 1 Attempts task during working time allocated him competitor entitled unlimited number attempts 4 Pre-flight Checks Before flight modeler should make following checks a Be certain frequency being em ployed clear properly authorized use modeler large groups modelers fly together system identifica tion frequencies should established b Test good functioning controls engine stopped c Test good functioning controls engine running strongly rec ommended model held hand tail boom checking blade tracking control functioning trim can done model sitting ground weights landing skids desired model held overhead both skids helper should done safe distance 110 ml other people helicopters pit area d Models should run-up free hov ered test flown pit area clear area least 30 meters square e Models should flown pres ence spectators until have prop erly tested proven airworthy 5 Flight Procedures Before during flight pilot should observe following a The helicopter should carried flown taxied ready box takeoff pad b Do fly toward over spectators pit parking area such manner malfunction could cause model crash spectators c Do fly solo presence spec tators until qualified flier judged experienced helper d At sign malfunction land quickly possible 6 Flying Sites flying site should large enough provide minimum about 200 meters 100 meters clear space containing no buildings people highways b At flying sites within 5 miles 8 Kml airports models shall flown higher 400 feet permission air port operator tasks B C after release towhook after model has crossed base repeat first time flying di rection base base B no further tempt permitted b competitor entitled new working time period end round model launching cable collides another model flight person being launched strikes another launching cable Should flight continue normal manner competitor may de mand flight accepted official demand made end flight flight has judged fault judges timekeepers case unexpected event duly witnessed official judges timekeep ers flight has hindered aborted 2 Official Flight official flight last flight performed during working time Cancellation Flight Disqualification Paragraph modified call annul ling flight competitor used model line launching device conforming FAI rules new paragraph e added case hand pulley towing launching device except launching cable must thrown competitor under penalty cancellation flight Distance Task new rules adopted December 1976 FAI applicability 1979 providing man-on-man concept distance task rescinded move re duce element luck rule 24b mod ified allow scoring up maximum 12 laps simplify course layout well scoring course rule 24e divided four fractions instead 10 previous Organization Starts Add 18 separate draw shall held round Organization Contests Add 19 No sighting apparatus should placed within minimum distance 3 meters limits thf course Alternating Tasks new rule increases importance duration task relative distance speed 21i amend combination read combina tion Task other task constitutes round minimum 2 rounds must flown tasks B C alternating round Any single round . Rule 27 modified accordingly round total score complied adding partial score either B C competitor Speed Task Change 25a 4 minutes 5 motorgllders completion task Under 22 Launching paragraph f added speed task flight annulled model crosses line during its timed flight Motorgliders Rule 21ii changed read organizer can establish whether radio controlled gliders Auxiliary Power RC Motorgilder enter same contest unpowered gliders have separate classifi cation system classification must announced propositions con test Classification Paragraphs b c 28 eliminatedreplaced results achieved competitor rounds will determine position final classifica tion order decide winner tie task C speed repeated 78 Model Aviation FAI SAFETY CODE FOR RC HELICOPTERS RC Helicopters current ruies CN section April 1977 issue remain provisional blended RC Helicopter Subcommittee rules changes proposed West Germany presented December 1978 ClAM meeting approval new combination meantime approved change current K-factors through di viding 5so 15 10 S become 3 2 1 Also new Safety Code RC Heli copters approved see elsewhere sue RC Electroflight new set provisional rules approved replace previously effect new rules have tested European competi tion 1977 considered prac tical improvement over previous provision al rules new provisional rules else issue Scale RC Maximum Weight Rule 31 changed 5 kg 11 lbs 6 kg 13 lbs 36 ozs fuel including dum pilot Definition Scale Models further de fine permissible models agreed change 11 such aircraft has air borne acceptable subject meaning designs built never flown acceptable RC Quality Landing landing circle used rule 3712 25 meters 49 diameter factor K9 landing within circle factor K4 land ing outside circle Judging Agreement judges Guide General following sentence de leted because impracticality applied maneuvers desirable principle judges conferring agree realism flight scoring applied flight maneuvers order avoid large dis crepancies between individual judges marks Future Rules changes FAI Scale Rules will frozen until end 1982 except ratio between subheadings sta tic scoring complexity headings may changed provided total K-factors section changed Static Judging Points Rule 15 previously said fractions tenths point could used tenths now has deleted Proof Scale Add 94b Color drawings authentic sources eg Pro file type publications including three views acceptable proof color mark ings Also proof tbe cruising speed must supplied Judging Fidelity Scale crafts manship Separate judging fidelity scale craftsmanship complexity have elim inated Instead approved modify 110 follows provide combined scoring fi delity scale craftsmanship com plexity bonus handled separately Fidelity Scale craftsmanship 1 Fuselage 2 Wing equivalent 3 Tail surface equivalent empennage 4 Landing gear 5 Propulsion units 6 Cockpit cabin detail 7 Finish color markings pecial ingenuity complexity Bonus new section has added heading following rules order compensate models com plex prototypes inherent disadvan tages flight following bonuses shall awarded form percentage total flight score Wings Monoplane Biplane single bay Biplane double bay lane Quadruplane Engines Single Twin Engines Three Engines Four Engines Above four Undercarriage Fixed tricycle0 Fixed conventional bicycle monowheel5 Retractable tricycle Retractable conventional General Pre-1914 design10 Notes order qualify multiple engine bonus power ratio engines must per prototype engines must operate Judges shall decide upon appropriate percent bonuses applied flight score model during static scoring procedure Other paragraphs rules necessary revised accommodate combined scoring fidelity scale workmanship judging separate application complexity bonus Realism Flight CL RC 272 3710 following footnote has added scale model cruis ing speed prototype must stated flight scoring form Discrepancies Documentation Add judges Guide discrepancy measurements due scaling up drawing stated basic dimensions should prevail discrepancy between drawings stated basic dimen sions latter should prevail Measurement Tolerances Judges Guide tolerances 03% measurement fuselage wing have eliminated RC Taxi Present 371a has elimi nated replaced three sub-paragraphs according landing gear type follows aa Models aircraft using two-wheel landing gear tail skid two-wheel gear non-steerable tail wheel other gear config urations allowing steering will taxi ward wind distance up 15m slow down near stop stop come airborne realistic manner ab Models aircraft using two-wheel landing gear steerable tail wheel will taxi forward wind downwind contestant prefers distance up 1 Sm K1 0 using 5 turn visibility taxiing procedure slow down near stop stop depending K9on whether prototype equipped K9with brakes become airborne - K8realistic manner odels aircraft equipped K1 1steerable tricycle landing gear will taxi down- -K4wind least 1 Sm stop turn least 120 de grees wind become airborne realistic manner Errors Model does stand still unassist ed before commencirg taxi Model does follow prescribed course Model does halt before taking off prototype brakes Model taxies too fast Model does taxi manner prototype % Bonus Downgrading Ready-Made compo 0 nents Craftsmanship Judging last sen tence changed read marks 10 other commercial items should graded least 50% unless has 20been considerable degree reworking FF Scale rules provi sional since 1971without evidence in0 ternational use have dropped New rules 10 may proposed time future 15 RC Scale Gliders As per F F Scale 20 provisional rules have used 25 internationally since adopted 1972 have dropped World Records RC Glider Speed Straight-Line course 10 Special conditions RC Gliders have 10 eliminated future RC Gliders must use same base altitude require ments RC Power models primary pur pose lengthen RC Glider base has become especially important due high speeds being attained Automatic Timing speed records straight line following new rule has added speeds above 300 km/hr 1864 mph manual actuation timing devices permitted Only automatic means tim ing eliminate human error factor permitted must certified accurate within 1/100 second c closed course Speed Records Ap proved new record categories Power models Gliders separately per fol lowing rules Base course consists square de fined four prominently colored pylons poles set 200m 6562 apart 90-degree angle other situated flat land land minimum fall exceed 1 meter 200m within 1 km course An upright pole 20 meters 657 cor ner square extension line drawn between two pylons side square will establish Starting/Finish Line Four judges will situated immediately under pylon will raise red flag signal lights model infringes side space bounded poles Note essential accurate speed measurement poles absolutely ver tical order prevent course length differ ence altitude RC Gliders must free launching cable specified 725 prior crossing Start/Finish Line Models land prior completion four legs course intrude forbidden airspace except after timing completed disqualified flight void no altitude restric tion prohibition against circling thermals outside course Timing begins model crosses Start/Finish Line ends model completes course again crosses Start/Finish Line still airborne intermediate landing within 30 minutes launch Availability Record Data ClAM voted unanimously recommendation CASI March 1978 79 FAI Rules Cont appropriate high FAI authority photocopies record dossiers available upon request national aero club fee cost plus 10% World Championships 1978 Control Line Speed Team Race Aeroba tics Combat plus Control Line Radio Control Scale approved August 4-10 Woodvale England near Liverpool Indoor bid Romania ac cepted because required guarantee FM South Africa allowed participate condition allowed However ClAM president empowered see condition would removedon assurance South African delegate no team country would partici pate matter left hanging ClAM president advise countries end January whether Romanla some other country would host event Note press time both England US considering possibility offering host neither good position Spacemodels model rockets Bulgaria approved host early Septem ber probable date 1979 RC Aerobatics Approved South Africa probably September Note An expected offer Mexico did materialize dele gate Mexico present no information regarding offer host RC Soaring Offers US Bel gium noted Both countries sub mit firm details offers ClAM Bureau officers meeting Paris March 31 Bureau will decide offer will prevail AMA currently working National Soaring Society SOAR group Chicago view toward holding event city Free Flight firm offer Yugoslavia approved site European Championships held end May early June Note site said five kilometers square 1980 Control Line Speed Team Race Aeroba tics Combat firm offer Belgium approved Radio Control Control Line Scale firm offer Canada approved held Ottawa RC ELECTRO-POWERED MODELS F3E PROVISIONALAS ADOPTED DECEMBER 1977 Definition RC Electro-Powered Models Model aircraft lift generated aerodynamic forces acting surfaces remain ing fixed during flight except control sur faces performs maneuvers con trolled pilot ground using radio control connection propulsion model effected fixed foldable propel lers driven electric motor can regulated during flight power-pack electric motor must have fixed connection ground another model air Recharging power-pack solarcells permitted during flight Prefabrication Model Permitted plane assembled builder prefabricated parts builder installs equipment Permitted Models com pletely prefabricated require few minutes unskilled efforts completion complete ready-to-fly models have built person other pilot General Characteristics RC Electro-Powered Models Maximum surface area 150 sq dm 2325 sq Maximum total weight 5 kg 11 lbs Maximum loading 75 gr/sq dm 2457 oz/sq ft Minimum loading 12 gr/sq dm 395 oz/sq ft Number Helpers pilot permitted helper Number Flights competitor class has right three official flights two best flights shall counted Take-Off Take-off must executed either two manners described hereafter change type take-off during contest may allowed contest director whole round Take-off ground hand-launchingWhen hand-launching competitor helper have ground hand-launch model use starting devices Definition Attempt attempt a the pilot announces take-off b model taxies case take-off ground c pilot releases model case hand-launching dl model fails start within five minutes allowed Number Attempts competitor al lowed attempt official flight Exceptions An attempt may re peated organizers judges discretion reason outside control competitor organizer model unable take-off Definition Official Flight official flight attempt made what ever result repetition official flight permitted take-off possible possible due time safety reasons b competitorit has proved cannot perform flight due outside inter ference no scoring made reasons outside control competitor such cases take-off may repeated im mediately after fruitless attempt take off after personal report contest manager during same round out round Marking maneuver round will awarded points Scoring flights starts model released case hand-launch ing b model starts taxi ground Scoring flights ends a model fails start within allowed time b model touches ground ob struction connected ground c lettisoning occurs dl official flight completed No scoring will made following rea sons a when model used already anoth er competitor same contest model accordance general rules characteristics class b model started permission wrong starting sequence c competitor fails return transmit ter flight completed case un authorized use transmitter during flights dl pilot fails release model starting point employs two helpers e pick up transmitter before second call made commencing take-off before called fI entering starting area before second call made switching transmitter before nouncement gI pilot fails take-off within allowed time three minutes officially called hI repetition start permission I starting manner allowed particular category ii hand-launching effected ground using take-off devices k pilot moves away take-off area does operate transmitter himself I model leaves flying space maneuvers cannotbe seen judges Classification final classification will determined aggregate sum two best flights case tie first place final result will established fly-off Any fly-off must take place within hour normal finishing time contest No attempts permitted results fly-off shall count establishment title such World Champion prizes awarded Judging a The organizer must appoint panel least three judges official flight judges shall preferably different na tionalities elected list per sons approved National Aero Clubs ClAM rotation system equivalent system may used provided judge will score contestant equal number times specific system employed World Championship must stated ad vance organizers must have prior approval ClAM ClAM Bureau b There shall training flights judges briefing before after held immediately before World Cham pionship Organization RC Electro-Flight Contests transmitters used contest must checked placed compound kept under observation During con test steward must control trans mitter compound will issue transmit ter competitor name called standby flight As soon attempt has ended competitor must im mediately return transmitter steward transmitter compound unauthor ized transmissions during contest will re sult automatic disqualification offen der entire contest render him li able further penalties order starting 80 Model Aviation no scoring 2 various countries competitors will established means draw before start contest Competitors must called least five minutes before required occupy starting area organizer must provide radio-monitor purpose detecting possible interferences Suggested Schedule Maneuvers F3E Spe cial Out 14 maneuvers listed below six must chosen flown competitor sequence maneuvers has laid down writing valid rounds Take-off ground permitted scoring provided another maneuver replacing schedule has completed within time max 5 minutes counting se cond official call Maneuvers 0Hand-launching 1Take-off ground 2Two inside loops 3Two outside loops3 4Double lmmelmann2 5Turn1 6Spinthree turns2 7Cuban Eight3 8Running Eight starting down ight starting middle2 10Three horizontal rolls2 11 Four-point roll3 12SIQw roll mm 4 sec3 13 Approach rectangular four legs aLanding 30 m circle1 14bLanding 15 m circle2 Suggested Schedule Maneuvers F3E Junior Models two axes radio control steering Engine running radio-controlled Landing aids schedule has completed within time 5 minutes counting second official call After launching hand following ma neuvers have flown given order Coefficient Maneuvers 1Two outside loops3 2Turn2 3Inverted flight starting ending Ia loop2 4Spintwo turns2 5Approach2 6a Landing 3Gm circle1 6b Landing 15 m circle2 Schedule Maneuvers Electro-Motorgliders two turnlines distance 150 meters middle distance shall gate Gate two poles 3 m high dis tance 20 m turnline shall timekeeper flagman model running engine handlaunched Time release taken timekeeper first task pilot has total flight-time 200 sec has decide much will use climb much gliding competitor has shut tle between two turnlines often pos sible gliding turnilnes have over flown time full leg com petitor given 10 points Restarting en gine before expiration 200 sec termi nates scoring does expiration 200 sec After task competitor has fly again through gate soon possible passing gate timekeeper No 2 takes time flying through gate proper altitude means between two poles lower top 10 points grant ed After passage through gate climb starts delay Now total time climb gliding will 300 sec Again up competitor decide much time will use climb much gliding second gliding time competi tor given point second over 300 sec total flight time point shall deducted important gliding time taken motor cut gliding time ends motor restarted Lee Hines Costa Mesa CA holds own design Ulti max A-2 Towline Glider set Open age class national record December 18 1976 rec ord still stands 53 Coefficient minutes 46 seconds comprised 12 maxes last five progressively aeasing times increments minute 13th flight 148 seconds record set Elsinore CA Record Trials organ ized Sky Hoppers Orange County very super special dayforfly ing Free Flight Hines said Ultimax features wing 15181 aspect-ratio CH-407 airfoil modified per Crowley/Klintworth undercambered stab airfoil 7% thickness Covered Japanese tissue model also Seelig de thermalizer timer Czech cir cle tow hook NFFS fiber glass tail boom CONTEST COORDINATORS I Pad L Penney S Chalorta AndOne, MA 01810 II R SobrinO 87-26 88th St. Woodlsanen Oseens NY 11421 Bc Bryan Sattlar 29 Waldorf P1. Schesecnfdy NY 12307 5c Frei Rlackborn6 Bloe8psoce Ln Cotsnack LINY 1172S III Ken Raber Rd 1 Naaareth PA 18064 lEash M Wesanbach 4585 W 148s1s St. cleneland OH 44135 West Rc J Slaver 809 Forest Rose Ave. Lonter OH 43130 West V Warren sanders Jr 9735 52nd Ave College Pk MO 20741 Sc J Lawrence 12538 Ffoodstock Dr. upees Marlboro MD 20870 V Sen Cleveland 708 Coontry dab Tollatonsa TN 37388 RC J Oasis Jr18135 Lakeshore eirsnngnaatAL35216 RC Ctsarlene Fields 818 Main St Ness Ellisoton sc 29809 FREE FLIGHT CONTEST BOARD I Henry Strock RFD No2 Hat4ssg Old Lysno CT 06371 II Carrel Alvin 2Araona R Hontngson sta NY 11746 Ill Rody Klcibar 2021 Lakeland Are. Lakewood OH 44107 IV joe 8oy1e J. 218 Slsanedosh Rd. Hampton VA 22361 V Sooty Jonkios 3112 East Raises Rd. Marnpnis TN 38118 VI Chris Massono 10132 Oooglass Ct. 55 Ann MO 63074 VII Phil KIntwosth Jr. 715 Rosters Rd. Rocnestes Ml 48063 VIII Mark Valascs 23132 Poeseran Dr Honstot TX 77055 IX Edward ColIos 4318 6 Utah FV Denver CD 80222 X Joe Nontross 4836 Wee 123rd St. Hawthorne CA 90250 XI Ernie Linn 16858 121 Ate SE Rattan WA 88096 CONTROL LINE CONTEST BOARD George rlggrls P0 Boo 482 North Pembroke MA 02358 II 811 Sots 7706269th St Ness Hyde Park NY 110413 Ill Lairn Jackson 523 Meadtssbrook St Davids PA 19087 IV Rae McNIIy 6118 8da As. SisrngdiM VA 22152 V Date Hernstracght D 80 171 Motcha Corner SC 29461 VI Sob SoreS 132 Rocklord Apt 12 Porest Park IL 80130 VII Jantss Sinton 4941 Wisconsin Ave N Now Hope MN 55429 VIII Charles Atatton 3730 Kiesnorest Dallas Tx 78233 IX Michael Tallmen 3014 Sochenge Wichita KS 67217 X Pate Srandt 405 21st St. Manhattan Stack CA 90286 Xl Dan Ratherford 4706 227th P1 55. Bothall WA 98011 pull However motor may re versed after announcement Landing ap proach landing included glid ing time Having announced landing ap proach pilot may use landing aid Landing 30 m circle Coefficient m circle tal flight time ends model touches ground program aims development models good rate descent min imum speed relatively high rate climb power-flight VI Kit DeWant 3930W Jettersot Kokosno IN 46901 BC Ralph White R R 1 Boo 324 Neoga IL 62447 VII John Evert 421 Walnot Ln Apple Valley MN 55124 West Wesley Slave 1213 Wall St. Port Horon Ml 48060 East VIII John Deaton 5012 Royal Or. Ft Worth TX 76116 BC Larry Stanfitld 301 Wilson St Crossley TX 78036 IX JantesT Fitiey6540 6 Central Wioltita KS 87206 BC Robert Arnntt 2009 Keasas Great Bend KS 87530 X Myrtle Coad Rt Boo 19 Losses Lake CA 85457 Northl Lee POlotkh 258 nt Ave. Dolana CA 93017 Sooth XI Don Dodd 3409 Baltidere Ava. SW Seethe WA 98126 Rc Donald Miller 3436 S 263rd St. Kent WA 58031 RC Pylon & Soaring Rd Pattern sod tnher RC RC Soaring attern Pylon & other RC RADIO CONTROL CONTEST BOARD I Does AIlsed 38 Sosnsst Rd LeninStan MA 02173 I Joe Frend 62 Joysan Tens PraehOld NJ 07093 III Dave Bsossn 8534 Haddlestos Cincinnati OH 46236 IV Fred M Gregg 12709 RichssOfld St Osestas VA 23821 V Rhert Miller Sr 3035 Lakeshore Os. Tallahassee FL 22302 VI hoE Underwood 4109 Coescord Oaks Dr. S Lons MD 83128 VII Peter Waters 31219 Kendtll Unonia MI 48154 VIII Davd Hyde 2026 Snossssass Lt Garlatd TX 75042 IX Loren Tregellas 3002 S Everett Withta KS 67217 x Bill Neetheop Ie. 621W lkh St Cost Mm CA 80627 Xl Ralph Brooke 3431 5 194th Seartle WA 98188 SCALE CONTEST BOARD I Richard Sharesas 406 River Rd. Tessktbory MA 01876 II Robert Gossens 55 Snoressay Dr. Rochester NY 14012 III Edward Wissar 1521 Sosssst St MoKeasport PA 15130 IV Bob KarIsson 2643 Marsh Rd. Wilssiogton 05 19810 V Daoid PIart 6540 NW 15th Ft Laaclasdale PL 33313 VI Prank Seatty 2605 Pontoon Rd. Granite City IL 604O VII Ossad MeCalloagls Boa 40 Mentacees IA 80171 VIII Johnty Casborn Boc 8029 Ft Worth TX 76112 IX Dean Copaland 7817 Seward St. Osnana NE 68114 X Fraal Capan 251 Coatino de las Florne Encinitas CA 93024 XI Earle Moorhead 2750 View P1 5 Salem DR 87302 cONTEST BOARD COORDINATOR Don Lindley 420 Tapala FJpanill IL 60640 March 1978 81 DIRECTORY Bold Peos 610w IndIcate Otaictean Contat Board X SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX 0 Competition News will present time time constructive thought-provoking ideas further However feel being criticisms AMA rules policies affect competitors issue has two sides CNright just enough hobby where0 Owill endeavor print viewpoints have submittedwithin limits availableanyone times wrong read onX Co waco uniqueness constructiveness timeliness good taste Determination appropri- y railroad-highway intersections have Xateness publication of matters must necessity rest solely publisher O ght presented author should necessarily construed asflashing lights bells automatic gates yes-0 AMA HO AMA officers publisher should note publication terday stood sign read RAIL- -u 4rules-change policy-change idea does necessarily mean specific proposal has beenROAD CROSSINGSTOP LOOK LISTENCo O presented Contest Board Executive Council appropriate committee such action stop could see up down 0 Co responsibility author anyone else interested obtaining official action tracks could see up down X Xtracks would have Co 0 0tracks tracks wrong place Co 4THE BEST F F TEAMsupport manufacturers make en- Before get tracks LISTENIu Ogines timers towhooks etc make theInstead STOP-LOOK-LISTEN ouro CoBill BogartWorld Champs possible takes numbers flying lets use COOL agree onlyx X1975 FF Team Managerwell fanatics have entice new bloodtime can turn have Ointo program give us future teamscorrect clip Okay have proper clip 0 CoMike Kevilles letter August issue 4expressed opinion quality eve World Champs ulti-Turn immediately off say O1977 US FAI Free Flight Team Dave Lin-mate contest flyoffs should expected about one-second interval Now LISTEN Costrum commented Mikes letter De-and planned hundreds other nobody yells Im hit turn again0 off about three-second intervalX Xcomber issue calling philosophy atti-contests year featuring FAI classes andAgain LISTENI still nobody yells aCo Otude Mikes letter almost too absurd But0 rules should keep contests theirsafe bet will shoot anybody down Co a.Daves reasoning discussing mistakes ofentrants well mind Without therethe other guy uses on/off precaution0 4 te Ed Carroll Team Finalswould no World Champs requiredthen wont get shot down eitherCo oBob o slowly FAI rules changes ff technique does take much Cois strange logic flier makes rinted Bat Sheet newslettertime after several flying sessions will beCo xmistake Finals may well make theof Strat-O-Bats Club Seattle WAsecond nature clubs have added0 osame mistake World Championships CoIf logical opposite must bemethods safety rules avoid crashes 4true eg fliers timer doesnt malfunctionAdd list until get flashing w Oat Finals likely malfunction atlights ringing bells automatic some-0 Cothe WC Balderdash logic absurdthing other will stop crashesX XWhat Mike laments others think-PROPOSAL TOHave correct ClipCo Coing about system team selectionturn On0 ahasnt developing selecting fliersREORGANIZE THE AMAturn OffU 4whohagreatest propensity potentialDick Singerthen ListenCo ove theo Coto win eventX xTonight October 24 Los AngelesPhoenix AZDo again Cool man Helpful reminder Add sign fre-Co ORams wiped up Colosseum Mm- osal offered attempt givequency clipboard label COOL CLIPS0 Co Vikings playoff last fall Vik-modeling model flying back inted Prop Wash newsletter 4ings made Rams look silly point isYouth Americathe Mercer County RC Club Trenton NJCo Othat given outing whether day orMEMBERSHIP IN NEW AMA0 CoX three flier may well poorlyany flier 1 Remove members over 18 years old XOver number contests best fliers wind2 Regular members AMA 8 18Co O0 Coup top very way we3 Associate members over 18 must V adevelop opinions best fliers aresponsored regular member B 18STAR NOVICE RC PATTERNCo have viewed Semi-finals results4 Regular members B 18 may sponsor0 Cofrom past Labor Day weekend willonly two associate members eachM Buck Peck X xhave noticed large number excellent fliersNorfolk VA Co O will going Finals-the resultAMA SPONSORED CONTESTS0 One-clay contest1 shall events regular membersPattern simply gotten too complicated 4Is boils down enough flying inassociate members open eventsfor fun said old curmudgeons such Co 2 O the team selection still seem making associate event must Novice entry point populated o Co team selection simple economic Asthree regular member eventsopen gimbels white bucks retracts now X xeven tuned pipes years tried long aswe continue manner shall ASSOCIATE MEMBER OATH order brainstorm simplistic startin g point Co destined among also-rans WC associate member adult remain no avail Only start spend much time AMA member must stimulate Tidewater RC scheduled host Co O and money sport will develop fliers least two persons year become reg- 1977 Virginia State Championships 0 X Coof World Champion statusular members 8 18 associate mem- never sat down CD Jay Jennings Xber promises sasist help newinvented Star NoviceCo Omembers become happy competent mod-0 Co aelers model fliers1 Entrant must have previously placed-u 4in sanctioned Pattern contestCo O itted modelers concerned with2 Retracts installed may used0 Coour youth future ho bby x3 Before flight entrant will line out O FF FAI RULESGO SLOWany two maneuvers choice NoviceCo Coscore sheet will neither fly nor scored Steve 4 HelmickCo After World Champs up 40Easy run turned out successfully En- 0 X flyoff event atrants lumped regular Novice XCo oover limiting performance aRAI LROAD CROSSINGgroup identified small stars o Co no flyoff way see theSTOP LOOK LISTENThe judges scorers nothing different caliberto Extra trophies funded fliers WC level simplyDick Radcliffe ohas lousy conditions eliminate max-by entry fees 0 CooutsThere reasons crashThey loved Good club fliers several X x But wonder should modify rules Most now have heard years experience previously felt outCo O with World Champs mind should seen experienced yourself type classed equipment impression points 0 Co consider guys like myself seldom crash can add avoidance gave whirl Beginners year -g 4 max-out anyway like events other guy turns fre- experience werent stigmatized label Co 0 trying improve Limit performance quency did have proper fre Competent fliers won straightforward x through rules changes watch quency clip wrong four-channel Pattern craft fun Xaverage guy desert sinking shipwere guy proper clip youexperienced competitionCo 0 Remember takes large number ofwere right guy clip CDt licensed fee try -u aentries support team financially tofeels having clip enough read noour patented Star NoviceCo 0 SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX X 82 Model Aviation Nick Sher Langhorne PA made flight 12157 mph backed up another 12149 mph claim National AMA Record Control Line Speed Open age division record set October 91977 Dayton OH Cold Cash Speed Bash put Dayton Buz zin Buzzards Model Airplane Club previ ous record 12011 mph held Robert Bradshaw established 1974 model shown several photos page mostly constructed balsa basswood used strategically cov ered K&B fiberglass cloth finished clear K&B polyester resin Its wing has span 1 3% 1-5/8 center chordsym metrical airfoil model weighed 5 oz Power came Cox TD equipped GloBee plug tuned pipe supply ing information about record setter Sher said used Cox unported sleeve Schnuerle-cut tuned pipe Cox speed pan used prop re worked Cox gray 5 x 4 fuel tank homemade suction type Single line control used through B&S torque unit model Stanzel-type Monoline handle
Edition: Model Aviation - 1978/03
Page Numbers: 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83
NE WSLET ACADEMY OF MODEL AERONAUTICS 815 FIFTEENTH STREET NW WASHINGTON DC 20005 FAI RC SOARING TEAM SELECTION PROGRAM Ray Marvin Chairman FAI RC Soaring Team Selection Pro gram underway again select US team go World Championships 1979 Plans run program essenti ally same manner previous Jim Simpson ably conducted good program resulted team went take first place individual first place team honors World Championship South Africa coming program will seeking team can repeat performance program being administered National Soaring Society restricted NSS members open AMA members aware program works procedure follows first step enter quarter-finals con test cost will $25 plus cost FAI stamp will no additional charge advance semi-finals finals process setting up contest schedule now check area see quarter-finals contest sched uled get club sponsor get AMA Contest Director club ap ply sanction schedule meet dur ing month April May June CD quarter-finals contest will provided program registration forms will able collect FAI stamps AMA membership contestant reg isters CD must check valid current AMA license FAI stamp collect $25 program entry fee fill out registration form Following quarter-finals CD will complete contest report names scores entrants regardless standing report will forwarded entry fees collect AMA Headquarters immediate ly upon completion contest Entry fees will used primarily team travel within US country World Championships apportionment AMA dues covers over-ocean travel contests will run strict accor dance FAI rules exception motorgliders excluded order ad vance semi-finals contestant must tain least 80% winning score after least three complete rounds fail first attempt may enter other quarter-finals contest try again qualify fly semi-finals may attend choose will six 10 scheduled various parts country will flown over first weekend July 1-3 follow ing weekend 8-9 contest given area may scheduled first week end second may scheduled second weekend Results semi-final contests will forwarded program chairman number contestants semi-finals contest eligible ad vance finals will determined accord ing following formula Number contests semi-finals x 36 Total number contestants semi-finals will notified eligible attend must notify finals CD plan attend Alternates will invited attend have qualified un able Finals competition will over Labor Day weekend least six rounds will flown top three fliers will com prise US team should unable attend first alternates finals will invited convention three members preceding team automatically quali fied enter finals Skip Miller Dale Nutter LeMon Payne may en ter no two quarter-finals semi-final payment entry fee However scores will used calculate else eligible advance competition site finals contest has yet de term ed will known until March 1978 World Championships will held AMA has made bid have US important thing now get team selection program squared away So want participate just follow pro cedure outlined above sure let know have scheduled quarter-finals contest have questions about program please feel free write ad dress Ray Marvin 2781 5 Garfield Denver CO 80210 names addresses Team Se lection Committee members follows may contacted information con cerning program District Dwight Holley 151 Chestnut Ridge Bethel CT 06801 District II Leon Pike RD 1 Lowman NY 14861 District Ill Dave Burt 180 5 8th St Apt 4 Indiana PA 15701 District IV Brian Foster 1757 Latonia Rd Winston Salem NC 271 07 District V Jim W Lenoir 6017 Ellington Rd NW Huntsville AL 35810 District VI John Nielsen 3744 Lake Wil mette IL 60091 District VII Warren Tiahrt 1086 Ashley Troy Ml 48098 District VIII Dale Nutter 7935 5 New Haven Tulsa OK 74136 District IX Skip Miller 655 Maxwell Ave Boulder CO 80302 District X Dave Thornburg 3635 Mt Vernon Rd Sebastopol CA 95472 District Xl Don Burt 4001 5 275th P1 Auburn WA 98002 FAI RULES CHANGES following new changed rules adopted FAI Committee Interna tional Aero Modeling ClAM its annual meeting December Paris AMA com petition purposes such new changed rules effective immediately January 11978 anticipated Control Line rules changes will applied 1978 CL World Championships Indoor Free Flight Collision Rule Reflights Add re commenced flight must flown before next official flight US proposal slightly modifiedbased principle reflights should made essentially same air conditions original flight Timing Add c time recorded mean two times registered timekeepers reduced nearest whole number seconds below resulting mean time New Beginners Class Provisional rules established based upon modified FF Subcommittee proposal class mon oplanes 460mm 1811 mum wing span 3 grams 1058 oz minimum model weight rubber motor 15 grams 0529 oz maximum rubber motor weight Microfilm covering excluded other covering material may used Only flights 60 seconds considered official steering prohibited otherwise rules same World Champion ships class Steering Authorized use 1978 Indoor World Championships new rules adopted 1975 have implementation delayed until 1979 rules shown 1976-77 AMA rule book Outdoor Free Flight Flight Procedure Starting positions line right angles prevalent wind indicated small poles respaced 7 10 meters 23-328 feet apart Fl A-2 Glider 4 5 meters 131-164 March1978 73 FAI Rules Cont feet Fl B Fl C Wakefield Rubber FAI Power A-i Towline Gliders New provisional rules approved providing maximum sur face area 18 sq din 279 sq mini mum weight 220 grams 776 oz maxi mum towline length 50 meters 164 feet five official flights having maximum flight time 120 seconds Other fact requirement timers use bi noculars World Championships appli cable A-i remaining A-2 rules also applicable A-i Note Due revi sions new National AMA Records start ed category January 1 1978 Control Line Speed Fuel Now requires 80% methanol 20% castor oil equivalent75/25 formula eliminated Diameter Control Lines clarification given minimum diameter 389mm anything over okay Line Spacing previous definition reworded expand restrictions against line linking No intentional twisting and/or linking two lines together shall per mitted point exit model control handle lines shall sep arated least 5mm 2 point exit model least 25mm 98 handle Timekeeping slight rewording ap proved provides competitor right repeat flight difference tween two times recorded greater 2/i 0th second CL Aerobatics Hand Signal Elimination US pro posal rejected 8 ii against Scoring US proposal accepted maneuver flown out sequence will scored Omitted maneuvers scored succeeding maneuvers considered sequence flown proper order relative remainder flight pat tern CL Team Racing Timekeepers Belgian proposal ac cepted replace previous paragraph 7a required two timekeepers two lap counters three timekeepers follows Three timekeepers assigned team stand outside flying circle near starting point model control charge timekeeping lap counting particular team Para graph 12b changed accordingly 1 2c referring lap counters deleted Duties Jury new paragraph has added section 13 c time penalty five seconds shall given team start ing engines before starting signal CL Combat Jury Guide Several US proposals clari fy description handle illus tration specify crepe paper streamer should have minimum weight 50 grams per sq meter referred CL Subcommittee further action Competitor following clarification added para 4 helpers maxi mum 6 other team members team manager must registered partici patingon no national team beginning competition through its close Method Scoring new item U.SSR added section 11 g whole second stay ground model shall penalized 1 point case model flyaway lines handle ground time shall com mence moment such flyaway Cancellation Flight new item sec tion 16 US Netherlands added releases controls model flight before has come complete stop landing Radio Control Aerobatics complete new set rules approved per text elsewhere issue some interesting special features Total weight now measured fuel no longer wing loading requirementonly maximum surface area Maneuvers now three groups pattern B pattern list extra maneuvers can used finals World Championships competi tion normally will two flights B patterns top 10% contestants top five whichever larger will choose 14 maneuvers among three groups fly two NEW NATIONAL RECORDS STARTED JANUARY 1 conclusion rules-change cy cle review made see what new categor ies have reached official status enabling flight performances considered National AMA Record purposes whether rules have changed other categories such flight performance potential consid ered reduced latter case also flights scored differently new rules fresh new records started effective date new rules New records thus started following flights made AMA sanctioned competition beginning January 11978 Indoor Ornithopter three age classes three ceiling heights Novice Pennyplane three age classes three ceiling heights Outdoor Free Flight Electric Power three age classes A-i Towline Glider three age classes Category Ill same events Cat II three age classes Class C FF Power three age classes Cate gories 111 Ill Class D FF Power three age classes Cate gories 111 Ill Ornithopter three age classes Categories land Ill Control Line Junior B Proto Speed Senior AA B C Speed Profile Proto B Proto Speed Open D Speed 1AA Profile Proto B Proto Speed Note 1AA Proto full fuselage event eliminated flights finals contests other World Championships fixed schedule using same maneuvers may provid ed idea simplifying Contest Direc tor judging problems eliminating pilots choice maneuvers Noise Measurement Based US ex perience 1977 World Championships Springfield OH Aerobatics Subcommit tee will restudy silencer requirements view toward simplifying improving requirements application 1979 World Championships RC Pylon Racing previous official rules changed provisional status could exper imented easilywith goal finding universally acceptable model Continued page 78 FAI ClAM TECHNICAL MEETINGS list took part 1977 annual ClAM meetings Paris reads like Whos International Model Aviation Because stature people strongly influence trends progress activity therefore im portant AMA well represented meetingsso among lead ers rather followers four basic aeromodeling tech nical meetings Parisgatherings techni cal experts countries meet ings produced recommendations 29 voting delegates per country final say FAI rules changes meet ings took part Control Line Laird Jackson USA E Rumpel W Germany M Souliac France Y Sirotkin USSR Aarts Netherlands J Magne France R Beck Hungary Free Flight P Allnutt Canada P Chausse bourg France George Xenakis USA E Krill AustriaA Oschatz E GermanyC Sundstedt Sweden Abaunza Mexico G Burford Australia Kaynes United Kingdom M Dilly New Zealand M EI-Azizi Egypt V Sreckovic Yugoslavia W Koelliker Switzer land Scale H K Ziegler Switzerland D E Thumpston United Kingdom E Sharp Can ada Y Sirotkin USSR JP Jensen Denmark Bob Wischer USA Aarts Netherlands C Sundstedt Sweden J Reggiori France Beaufils France Radio Control Chris Olsen United King dom Jean-Claude Rey France Andre Beaufils France Georghiou Charalambos Cyprus Luigi Bovo Italy Warren Hitchcox Canada Ted Sharp Canada John Clemens USA Don Lowe USA Don Mackenzie So Africa Joe Dible Ireland Jean Ganier France John Burkam USA Adam Sattler USA John Worth USA Peter Blommaart Belgium Narve Jensen Norway Ottar Stensbol Norway Jens Jensen Denmark Werner Groth W Ger Werner Koelliker Switzerland Camille Gerard Luxembourg Axel Tigerstedt Fin land Geoff Dallimar United Kingdom Note RC Committee uses separate subcommittees Aerobatics Pylon Racing Thermal Soaring Helicopters 1978 new RC subcommittee added ElectraFlight electric motor powered models 74 Model Aviation FAI RC AEROBATIC POWER MODELS F3A AS ADOPTED DECEMBER 1977 1 Definition Radio Controlled Power Model Model Aircraft aerodynamic ally maneuvered control surfaces atti tude direction altitude pilot ground using radio control 2 Prefabrication Model Permitted model aircraft assembled com petitor prefabricated parts competitor installs equipment permitted models completely pre fabricated require few minutes unskilled effort completion com plete ready-to-fly models have built person other pilot 3 General Characteristics Radio Con trolled Power Models Maximum surface area St 150 din2 2325 sq Maximum tal weight fuel 5 kg 11023 lbs Maximum swept volume motors 10 cm3 61 cu maximum noise level method measuring stated Annex 4 Number Helpers pilot allowed helper during flight Two helpers may present during starting motor 5 Number Flights competitor has right four official flights 6 Definition Attempt tempt a when pilot announces take-off maneuver b when model fails commence take-off maneuver within three minutes allowed competitor c if motor stops after pilot has nounced start take-off before model airborne may started within 3-minute period However no points will awarded subsequent take-off ma neu ver 7 Number Attempts competitor entitled attempt official flight NB An attempt can repeated discretion Jury un foreseen reason outside control competitor model fails make start ie radio interference 8 Definition Official Flight official flight attempt made what ever result 9 Marking maneuver may awarded marks between 0 10 judges during flight marks multiplied coefficient varies difficul ty maneuver Any maneuver com pleted should scored 0 maneuvers must performed plane height will allow seen clearly judges approximately 60 degrees vertical ly 90 degrees horizontally non-ob servance rule will heavily penalized loss points model opinion judges unsafe being flown unsafe manner may instruct pilot land 1OClassification See Annex 11Judging World Championships a the organizer must appoint panel least three judges flight judges shall preferably different nationalities elected list persons approved National Aero Clubs ClAM specific system employed World Championship must stated ad vance organizers must have ap proval ClAM ClAM Bureau b shall judges briefing training flights before WC 12Organization RC Aerobatic Contests transmitters contest site must checked placed compound kept under observation During contest Stewards must control transmit ter compounds will issue transmitter competitor name called make flight As soon competitor has made official flight competitor will immediately return transmitter Steward Any unauthorized transmissions during period contest will result auto matic exclusion offe,der en tire contest render him liable further penalties During flight competitor must stay proximity judges under supervision Course Steward order starting various coun tries will established means draw before start contest compatible transmitter frequencies Competitors must called least five minutes before required occupy starting area Once competitor has given per mission start may delay no longer minute before attempting start motor timer will notify competitor minute finished immediately start timing 3-minute starting time organizer must provide adequate radio monitor purpose detecting radio interference means communi cating information pilot NEW FM PA1TERN RULES AFFECT ON AMA EXPERT AND MASTER CLASSES Its too soon fully assess what effect new FAI RC Aerobatics rules will have AMA Expert Master classesbut some al ready have expressed opinion new FAI World Championships system two flights pattern two flights other pattern additional two flights top fliers third pattern will compatible typical US contests Fur thermore theres aspect RC Con test Board pre-existing FAI pattern mind voted Ex pert Class would fly FAI pattern just same Master Class fliers will go unclear written late December Among possibilities might considered ever return Expert pattern Expert Class fliers and/or creation single composite pattern both Expert Master fliers Any action RC Contest Board will reported earliest possible time 13Scliedule Maneuvers RC Aerobatic Power Models maneuvers must execu ted during uninterrupted flight order listed time model passes front judges maneuver must executed except after take-off before landing case pass may made maneuver being performed recommended pilot helper should vocally indicate judges pilot about execute maneuver competitor may make attempt maneuver during flight pilot has three minutes start motor 10 min utes complete flight 10 minutes start competitor attempts start motor NB pass made model flies over line perpendicular center judges schedule maneuvers given An nex B descriptions maneuvers Annex C ANNEX 3 Noise Measurement defined ClAM RC Subcommittee 1OClassification competitor will have four flights two Schedule two Schedule B best scores schedule will added together determine team placings top 10% first five competitors will compete fi nal determine individual winner final will consist two flights com petitor best will added previous score determine winner final schedule will chosen competi tor complete list maneuvers Only 14 different maneuvers may selected cluding take-off landing give maxi mum total score 450 points Only Figure M may included ANNEX B Schedule Ta ke-Off Double Immelmann Three Reverse Inside Loops Rolling Eight Slow Roll Top Hat Horizontal Eight Figure M /4 Rolls Three Outside Loops Three-Turn Spin Three Horizontal Rolls Landing Total x 10 ctor 2 3 2 3 3 2 5 2 2 3 290 K Factor 2 2 2 2 2 4 3 3 5 2 290 March 1978 75 Schedule B Take Off Reverse Double Immelmann Cuban Eight Three Inside Loops Straight Inverted Vertical Eight Four-Point Roll Three Reverse Outside Loops Two Rolls Opposite Directions Figure M /4 Rolls Cobra Roll Landing Total x 10 Pattern Rules Cont List Extra Maneuvers FinalsK Factor Avalanche3 Inverted Spin3 Square Horizontal Eight4 Eight-Point Roll4 Vertical Roll3 Aileron Turn3 Figure M3 Square Loop Four Rolls5 Two Snap Rolls Opposite Directions5 Reverse Knife Edge4 Inverted Top Hat4 Reverse Cuban Eight2 Reverse Point Roll4 Triangle Rolling Loop4 ANNEX C DESCRIPTIONS OF MANEUVERS maneuvers will start finish straight level flight have same altitude heading entry exit unless otherwise stated maneuvers will downgraded start finish straight level altitude heading same exit entry maneuvers have loop shall have loops same diameter similarly maneuvers have roll shall have rolls same roll rate consecutive rolls shall same alti tude Take-Off model must stand still ground motor running ing held must take off take-off run should straight model lift gently ground climb gradual angle take-off completed model approximately two meters 6% feet ground Downgrades 1 Model does stand still released 2 Changes heading during take-off climb 3 Model jumps ground 4 Retouches ground after becoming air borne 5 Too steep climb angle 6 Gallops elevation during climb 7 Wings level time Double lmmelmann Model pulls upintoa half inside loop half rolls upright flies straight level approximately second does half outside loop half rolls level flight Downgrades 1 Half loops deviate left right 2 Half rolls immediately after half loops 3 Half rolls deviate left right 4 Model pauses second fore half outside loop 5 Half loops same altitude Three Reverse Inside Loops Model half rolls level flight pauses approximately second does three consecutive side loops downward flies approximately second inverted half rolls upright loops should round superimposed Downgrades 1 Changes heading during half rolls 2 Loops round 3 Loops superimposed 4 Wings level during loops 5 Changes heading during loops Rolling Eight Model pulls upfrom level flight completes inside loop bottom exe cutes half roll makes second inside loop directly under first half rolls back level flight Downgrades 1 Loopsnotround 2 Second loop directly under first 3 Model level start finish half rolls 4 Changes heading during loops rolls 5 Wings level during loops Slow Roll Model rolls slowly through complete revolution either direction ma neuver takes approximately five seconds Downgrades 1 Changes heading 2 Changes altitude 3 Roll rate constant 4 Model does roll exactly 360 degrees 5 Roll takes less 4 6 se conds Top Hat Model pulls up vertical atti tude pauses makes half roll pauses pulls over inverted flight short period pulls down pauses makes half roll pauses re covers level flight Downgrades 1 Model vertical before starting fin ishing rolls 2 Rolls exactly 180 degrees 3 Model does fly straight level verted 4 Vertical horizontal legs same length 5 Rolls same length 6 Changes heading during maneuver Horizontal Eight Model pulls up com pletes % inside loop vertical posi tion does complete outside loop vertical position again recovers doing /4 inside loop Downgrades 1 Loops round 2 Model vertical crossover point 3 Changes heading during loops 4 Loops same diameter 5 Loops same altitude 6 Model does crossover same point Figure M Rolls Model pulls up vertical attitude executes /4 roll stall turns through 180 degrees turns again same direction first roll does out side loop vertical attitude again rolls same direction first two does verted stall turn through 180 degrees /4 rolls same direction other three recovers level flight Viewed side model executes figure M Downgrades 1 Model vertical start finish rolls stall turns 2 Stall turns 180 degrees 3 /4 rolls exactly 90 degrees 4 Bottom outside loop level en try 5 Changes heading during outside loop rolls 6 Stall turns same altitude Three Outside Loops Model pushes over executes three consecutive outside loops loops should round superimposed Downgrades 1 Loops round 2 Loops supsrimposed 3 Wings level during loops 4 Changes heading during loops Three-Turn Spin model establishes heading power reduced model held slightly nose high attitude until stalls commences spin model will autorate through three complete turns recover same heading different alti tude Downgrades 1 Entry level 2 Does make three turns less two four score zero 3 Does finish same heading 4 Wings level during recovery 5 Spiral dive scores zero Three Horizontal Rolls Model rolls uni form rate through three complete revolutions either direction maneuver takes approxi mately five seconds Downgrades 1 Changes heading during rolls 2 Changes altitude during rolls 3 Roll rate constant 4 Model does exactly three rolls 5 Maneuver takes less 4 6 seconds Reverse Double Immelmann Model pushes over executes outside loop followed immediately roll pauses approxi mately second does /2 loop immed iately rolls level flight Downgrades 1 Changes heading during /2 loops rolls 2 A rolls immediately after loops 3 Model pauses second fore inside loop 4 A loops same altitude Cuban Eight Model pulls up executes inside loop 45 degrees inverted mod el does half roll followed another inside loop again 45 degrees inverted model does another half roll recovers level flight Downgrades 1 Loops round same size 2 Model 45 degrees before commence ment rolls 3 Changes heading loops rolls 4 Rolls cross over same point Three Inside Loops Model pulls up exe cutes three consecutive loops loops should round superimposed Downgrades 1 Loopsnotround 2 Loops superimposed 3 Wings level during ioops 4 Changes heading during loops Straight Inverted Flight Model half rolls inverted flies straight level inverted minimum four seconds half rolls back level flight half rolls may either direction Downgrades 1 A rolls level 2 Inverted flight straight level 3 Changes heading during rolls verted flight 4 Inverted flight less three five seconds Vertical Eight Model pulls up executes complete inside loop bottom pushes over completes outside loop directly under inside loop Downgrades 1 Loops round same diameter 2 Changes heading during loops 3 Wings level during loops 4 Outside loop directly under inside loop Four-Point Roll Model rolls through 360 de grees hesitating 90 degree point hesitation wings parallel vertical horizon maneuver takes approximately five seconds Downgrades 1 4 rolls less 90 degress 2 Model does hesitate after roll 3 Roll rate constant 4 Roll takes less 4 6 se conds 5 Changes altitude Three Reverse Outside Loops Model half rolls inverted pauses approximately se 76 Model Aviation cond pushes up execute three consecu tive outside loops pauses approximately second half rolls level flight loops round superimposed Down grades 1 Loops round 2 Loops superimposed 3 Changes heading during loops rolls 4 Wings level during loops 5 Model pauses second fore after loops Two Rolls Opposite Directions Model rolls 360 degrees either direction immedi ately after rolls 360 degrees opposite direction rolls take approximately five se conds Downgrades 1 Changes heading 2 Changes altitude 3 Roll rate constant 4 Rolls exactly 360 degrees 5 Second roll does start immediately after first roll 6 Rolls take less 4 6 se conds Figure M V2 Rolls Model pulls up vertical attitude performs roll stall turn through 180 degrees another roll exe cutes half inverted loop followed third /2 roll second stall turn fourth roll recovering level flight rolls may direction stall turns must opposite directions Viewed side model executes figure M Downgrades 1 Model vertical start finish rolls stall turns 2 Stall turns exactly 180 degrees 3 / rolls exactly 180 degrees 4 Bottom outside loop level entry 5 Changes heading during outside loop rolls Cobra Roll Model pulls up 45 degree angle half rolls inverted attitude executes loop half rolls upright attitude re covers level flight Downgrades 1 Initial climb 45 degrees 2 Rolls 180 degrees 3 A loop 90 degrees 4 Descent 45 degrees 5 Changes heading during rolls loop Landing model flares smoothly touch ground within landing circle no bouncing changes heading rolls stop Landing maneuver will start two meters 6A feet ground Downgrades 1 Model impacts ground due lack flare 2 Model bounces after touchdown 3 Wings level 4 Changes heading 5 If model ends its back zero points 6 Model lands outside 30 meter circle 7 If undercarriage leg retracts land ing zero points Avalanche Model pulls up completes half loop top executes complete snap roll~ recovers does another half loop finish level flight Downgrades 1 Loopnotround 2 Changes heading during loop 3 Wings level during loop 4 Snap roll 360 degrees 5 Roll snap roll Inverted Spin Model establishes heading half rolls inverted power reduced model held nose high attitude until stalls commences spin model will autorotate through three complete turns recover same heading different al titude half rolls upright position Downgrades 1 A rolls level 2 A rolls 180 degrees 3 Wings level during entry exit 4 Spiral dive scores zero 5 Does finish same heading 6 Does make three turns less two four score zero Square Horizontal Eight Model pulls up executes square loop bottom third leg does complete square out side loop behind inside loop model should rotate sharply corner straight paths should least 20 meters 65A feet long Downgrades 1 Loops square 2 Vertical downward paths coincide 3 Loops same size 4 Changes heading 5 Wings level 6 Loops same altitude 7 Sides squares same size Eight-Point Roll Model rolls through 360 de grees hesitating 45-degree point wings should parallel vertical 45 de grees horizon maneuvers take ap proximately 5 seconds Downgrades 1 1/8 rolls less 45 degrees 2 Model does hesitate after 45 de grees 3 Roll rate constant 4 Roll takes less 4 6 se conds Vertical Roll Model pulls up executes 360 degree roll vertically upward pushes over finish level flight Downgrades 1 Model vertical start finish roll 2 Roll exactly 360 degrees 3 Roll vertical 4 RoIl rate constant Aileron Turn Model pushes over executes 360-degree roll vertically downward re covers finish level flight Downgrades 1 Model vertical start finish roll 2 Roll exactly 360 degrees 3 Roll vertical 4 Roll rate constant Figure M Model pulls up vertical atti tude executes 180-degree stall turn either direction does outside loop again executes stall turn opposite direction recovers level flight Downgrades 1 Model vertical before after stall turns 2 Stall turns 180 degrees 3 Climbing diving paths parallel 4 Bottom outside loop different alti tude entry 5 Altitude second stall turn different first Square Loop Rolls Model pulls up completes square loop side model executes roll Downgrades 1 Loop square 2 Rolls 180 degrees 3 Wings level during loops 4 Changes heading during rolls loops 5 Sides square equal length Two Snap Rolls Opposite Directions Model snap rolls through 360 degrees recovers immediately snap rolls opposite di rection recovers level flight Downgrades 1Rolls 360 degrees 2Rolls snap rolls 3Changes heading 4Changes altitude Reverse Cuban Eight Model pulls up 45 degree climb half rolls executes % loop half rolls inverted loops back level flight same point entry Downgrades 1 Loops round same size 2 Model 45 degrees commence ment rolls 3 Changes heading during loops rolls Reverse Top Hat Model pushes vertical downward attitude half rolls loops level inverted flight flies inverted same distance downward path loops upward vertical attitude half rolls pushes over level flight Downgrades 1 Model vertical start finish half rolls 2 Rolls exactly 180 degrees 3 Model does fly straight level verted 4 Vertical horizontal legs approxi mately same length 5 Rolls same length rate 6 Changes heading during maneuver Reverse Point Roll Model rolls through 270 degrees hesitating 90-degree point rolls 270 degrees opposite direction hesitating 90-degree point finish level flight Maneuver takes approximately 5 seconds Downgrades 1 A rolls less 90 degrees 2 Model does hesitate 90-degree point 3 Roll rate constant 4 Roll takes less 4 6 se conds Triangle Rolling Loop Model pulls up 45-degree climb holds attitude ap proximately second loops through 135 degrees does complete roll loops through 135 degrees holds attitude approxi mately second recovers level flight same point maneuver started climbing descending portions should same length Downgrades 1 Climbing descending paths 45 degrees 2 Climbing descending paths same length 3 Roll 360 degrees 4 Model changes heading during loops roll 5 Model does start finish maneu ver same point * If initial entry spin smooth spin itself jerky uncertain reason downgrading indication spin true spin spiral dive dicated its smoothness increasing air speed during spin airspeed does crease appreciably ** A snap roll auto rotation horizon tal axis plane rails very rapidly nose-high attitude plane rolls along its axis snap roll SAFE FLYING IS NO ACCIDENT March 1978 77 FAI Rules Continued page 74 specifications racing procedures noted very unusual develop ment apparently necessary due widespread disagreement about rules among countries involved Pylon Racing reversion provisional status FAI World Championships Pylon Racing will possible until printing next Sporting Code after 1979 edition probably means 1984 earliest meantime interested return World Championships status RC Pylon rules will need help develop international agreement such rules over next four years including participation international contests using FAI provisional rules either rules presently exist may modified during next few years Provi sional status allows rules open change annual basis Adam Sattler chairman RC Pylon Racing Subcommittee coordinator APPROVED DECEMBER 1977 1 Premise utmost importance model fliers observe first safety rules Any accident caused careless ness hindrance progress model aviation safety rules obstacle enjoyment model flying guidelines established prove model fliers responsible people proclaim sign intelligence show ones own skill among spectators flier may know what doing has no way knowing what anyone else will So personal benefit make certain no action part will result accident therefore very important fly model aircraft competition pres ence spectators until has proven air worthy having previously flight tested 2 Competency Safety following ficials competent apply enforce safety rules Jury - the Contest Judges - the Contest Director - the Circle Marshalls - the Timekeepers - the Processing Officials - the Leaders Organization 3 Regulations Concerning Models Parts Prohibited a metal-bladed rotors b knife-edge leading edges main tail rotor blades c non-shock-mounted radio equip ment d ballast heavy part subject jettison ing Recommended a Blade attachment single through bolt self-locking nut allows blade lead lag hits something thus prolonging blade life b model should bear sticker listing modelers name address phone num ber c Radio antenna should restrained such manner eliminate chance its entanglement moving rotating part helicopter effort revive FAI activity cat egory Anyone interested should contact Adam Sattler 80 Rand Rd Apt A-2 Schenec tady NY 12309 RC Thermal Soaring General designation F3B now applies RC Thermal Soaring Gliders F3F has added RC Slope Soaring Gliders F3G has added RC Pow ered Gliders Both F3F F3G allow two models entered model specification certificate required entries international events must bear signed affidavit entrant has complied spirit rule 13 pertaining prefabrication Attempts Official Flight Section 16 completely replaced including title following 16 Attempts Official Flight 1 Attempts task during working time allocated him competitor entitled unlimited number attempts 4 Pre-flight Checks Before flight modeler should make following checks a Be certain frequency being em ployed clear properly authorized use modeler large groups modelers fly together system identifica tion frequencies should established b Test good functioning controls engine stopped c Test good functioning controls engine running strongly rec ommended model held hand tail boom checking blade tracking control functioning trim can done model sitting ground weights landing skids desired model held overhead both skids helper should done safe distance 110 ml other people helicopters pit area d Models should run-up free hov ered test flown pit area clear area least 30 meters square e Models should flown pres ence spectators until have prop erly tested proven airworthy 5 Flight Procedures Before during flight pilot should observe following a The helicopter should carried flown taxied ready box takeoff pad b Do fly toward over spectators pit parking area such manner malfunction could cause model crash spectators c Do fly solo presence spec tators until qualified flier judged experienced helper d At sign malfunction land quickly possible 6 Flying Sites flying site should large enough provide minimum about 200 meters 100 meters clear space containing no buildings people highways b At flying sites within 5 miles 8 Kml airports models shall flown higher 400 feet permission air port operator tasks B C after release towhook after model has crossed base repeat first time flying di rection base base B no further tempt permitted b competitor entitled new working time period end round model launching cable collides another model flight person being launched strikes another launching cable Should flight continue normal manner competitor may de mand flight accepted official demand made end flight flight has judged fault judges timekeepers case unexpected event duly witnessed official judges timekeep ers flight has hindered aborted 2 Official Flight official flight last flight performed during working time Cancellation Flight Disqualification Paragraph modified call annul ling flight competitor used model line launching device conforming FAI rules new paragraph e added case hand pulley towing launching device except launching cable must thrown competitor under penalty cancellation flight Distance Task new rules adopted December 1976 FAI applicability 1979 providing man-on-man concept distance task rescinded move re duce element luck rule 24b mod ified allow scoring up maximum 12 laps simplify course layout well scoring course rule 24e divided four fractions instead 10 previous Organization Starts Add 18 separate draw shall held round Organization Contests Add 19 No sighting apparatus should placed within minimum distance 3 meters limits thf course Alternating Tasks new rule increases importance duration task relative distance speed 21i amend combination read combina tion Task other task constitutes round minimum 2 rounds must flown tasks B C alternating round Any single round . Rule 27 modified accordingly round total score complied adding partial score either B C competitor Speed Task Change 25a 4 minutes 5 motorgllders completion task Under 22 Launching paragraph f added speed task flight annulled model crosses line during its timed flight Motorgliders Rule 21ii changed read organizer can establish whether radio controlled gliders Auxiliary Power RC Motorgilder enter same contest unpowered gliders have separate classifi cation system classification must announced propositions con test Classification Paragraphs b c 28 eliminatedreplaced results achieved competitor rounds will determine position final classifica tion order decide winner tie task C speed repeated 78 Model Aviation FAI SAFETY CODE FOR RC HELICOPTERS RC Helicopters current ruies CN section April 1977 issue remain provisional blended RC Helicopter Subcommittee rules changes proposed West Germany presented December 1978 ClAM meeting approval new combination meantime approved change current K-factors through di viding 5so 15 10 S become 3 2 1 Also new Safety Code RC Heli copters approved see elsewhere sue RC Electroflight new set provisional rules approved replace previously effect new rules have tested European competi tion 1977 considered prac tical improvement over previous provision al rules new provisional rules else issue Scale RC Maximum Weight Rule 31 changed 5 kg 11 lbs 6 kg 13 lbs 36 ozs fuel including dum pilot Definition Scale Models further de fine permissible models agreed change 11 such aircraft has air borne acceptable subject meaning designs built never flown acceptable RC Quality Landing landing circle used rule 3712 25 meters 49 diameter factor K9 landing within circle factor K4 land ing outside circle Judging Agreement judges Guide General following sentence de leted because impracticality applied maneuvers desirable principle judges conferring agree realism flight scoring applied flight maneuvers order avoid large dis crepancies between individual judges marks Future Rules changes FAI Scale Rules will frozen until end 1982 except ratio between subheadings sta tic scoring complexity headings may changed provided total K-factors section changed Static Judging Points Rule 15 previously said fractions tenths point could used tenths now has deleted Proof Scale Add 94b Color drawings authentic sources eg Pro file type publications including three views acceptable proof color mark ings Also proof tbe cruising speed must supplied Judging Fidelity Scale crafts manship Separate judging fidelity scale craftsmanship complexity have elim inated Instead approved modify 110 follows provide combined scoring fi delity scale craftsmanship com plexity bonus handled separately Fidelity Scale craftsmanship 1 Fuselage 2 Wing equivalent 3 Tail surface equivalent empennage 4 Landing gear 5 Propulsion units 6 Cockpit cabin detail 7 Finish color markings pecial ingenuity complexity Bonus new section has added heading following rules order compensate models com plex prototypes inherent disadvan tages flight following bonuses shall awarded form percentage total flight score Wings Monoplane Biplane single bay Biplane double bay lane Quadruplane Engines Single Twin Engines Three Engines Four Engines Above four Undercarriage Fixed tricycle0 Fixed conventional bicycle monowheel5 Retractable tricycle Retractable conventional General Pre-1914 design10 Notes order qualify multiple engine bonus power ratio engines must per prototype engines must operate Judges shall decide upon appropriate percent bonuses applied flight score model during static scoring procedure Other paragraphs rules necessary revised accommodate combined scoring fidelity scale workmanship judging separate application complexity bonus Realism Flight CL RC 272 3710 following footnote has added scale model cruis ing speed prototype must stated flight scoring form Discrepancies Documentation Add judges Guide discrepancy measurements due scaling up drawing stated basic dimensions should prevail discrepancy between drawings stated basic dimen sions latter should prevail Measurement Tolerances Judges Guide tolerances 03% measurement fuselage wing have eliminated RC Taxi Present 371a has elimi nated replaced three sub-paragraphs according landing gear type follows aa Models aircraft using two-wheel landing gear tail skid two-wheel gear non-steerable tail wheel other gear config urations allowing steering will taxi ward wind distance up 15m slow down near stop stop come airborne realistic manner ab Models aircraft using two-wheel landing gear steerable tail wheel will taxi forward wind downwind contestant prefers distance up 1 Sm K1 0 using 5 turn visibility taxiing procedure slow down near stop stop depending K9on whether prototype equipped K9with brakes become airborne - K8realistic manner odels aircraft equipped K1 1steerable tricycle landing gear will taxi down- -K4wind least 1 Sm stop turn least 120 de grees wind become airborne realistic manner Errors Model does stand still unassist ed before commencirg taxi Model does follow prescribed course Model does halt before taking off prototype brakes Model taxies too fast Model does taxi manner prototype % Bonus Downgrading Ready-Made compo 0 nents Craftsmanship Judging last sen tence changed read marks 10 other commercial items should graded least 50% unless has 20been considerable degree reworking FF Scale rules provi sional since 1971without evidence in0 ternational use have dropped New rules 10 may proposed time future 15 RC Scale Gliders As per F F Scale 20 provisional rules have used 25 internationally since adopted 1972 have dropped World Records RC Glider Speed Straight-Line course 10 Special conditions RC Gliders have 10 eliminated future RC Gliders must use same base altitude require ments RC Power models primary pur pose lengthen RC Glider base has become especially important due high speeds being attained Automatic Timing speed records straight line following new rule has added speeds above 300 km/hr 1864 mph manual actuation timing devices permitted Only automatic means tim ing eliminate human error factor permitted must certified accurate within 1/100 second c closed course Speed Records Ap proved new record categories Power models Gliders separately per fol lowing rules Base course consists square de fined four prominently colored pylons poles set 200m 6562 apart 90-degree angle other situated flat land land minimum fall exceed 1 meter 200m within 1 km course An upright pole 20 meters 657 cor ner square extension line drawn between two pylons side square will establish Starting/Finish Line Four judges will situated immediately under pylon will raise red flag signal lights model infringes side space bounded poles Note essential accurate speed measurement poles absolutely ver tical order prevent course length differ ence altitude RC Gliders must free launching cable specified 725 prior crossing Start/Finish Line Models land prior completion four legs course intrude forbidden airspace except after timing completed disqualified flight void no altitude restric tion prohibition against circling thermals outside course Timing begins model crosses Start/Finish Line ends model completes course again crosses Start/Finish Line still airborne intermediate landing within 30 minutes launch Availability Record Data ClAM voted unanimously recommendation CASI March 1978 79 FAI Rules Cont appropriate high FAI authority photocopies record dossiers available upon request national aero club fee cost plus 10% World Championships 1978 Control Line Speed Team Race Aeroba tics Combat plus Control Line Radio Control Scale approved August 4-10 Woodvale England near Liverpool Indoor bid Romania ac cepted because required guarantee FM South Africa allowed participate condition allowed However ClAM president empowered see condition would removedon assurance South African delegate no team country would partici pate matter left hanging ClAM president advise countries end January whether Romanla some other country would host event Note press time both England US considering possibility offering host neither good position Spacemodels model rockets Bulgaria approved host early Septem ber probable date 1979 RC Aerobatics Approved South Africa probably September Note An expected offer Mexico did materialize dele gate Mexico present no information regarding offer host RC Soaring Offers US Bel gium noted Both countries sub mit firm details offers ClAM Bureau officers meeting Paris March 31 Bureau will decide offer will prevail AMA currently working National Soaring Society SOAR group Chicago view toward holding event city Free Flight firm offer Yugoslavia approved site European Championships held end May early June Note site said five kilometers square 1980 Control Line Speed Team Race Aeroba tics Combat firm offer Belgium approved Radio Control Control Line Scale firm offer Canada approved held Ottawa RC ELECTRO-POWERED MODELS F3E PROVISIONALAS ADOPTED DECEMBER 1977 Definition RC Electro-Powered Models Model aircraft lift generated aerodynamic forces acting surfaces remain ing fixed during flight except control sur faces performs maneuvers con trolled pilot ground using radio control connection propulsion model effected fixed foldable propel lers driven electric motor can regulated during flight power-pack electric motor must have fixed connection ground another model air Recharging power-pack solarcells permitted during flight Prefabrication Model Permitted plane assembled builder prefabricated parts builder installs equipment Permitted Models com pletely prefabricated require few minutes unskilled efforts completion complete ready-to-fly models have built person other pilot General Characteristics RC Electro-Powered Models Maximum surface area 150 sq dm 2325 sq Maximum total weight 5 kg 11 lbs Maximum loading 75 gr/sq dm 2457 oz/sq ft Minimum loading 12 gr/sq dm 395 oz/sq ft Number Helpers pilot permitted helper Number Flights competitor class has right three official flights two best flights shall counted Take-Off Take-off must executed either two manners described hereafter change type take-off during contest may allowed contest director whole round Take-off ground hand-launchingWhen hand-launching competitor helper have ground hand-launch model use starting devices Definition Attempt attempt a the pilot announces take-off b model taxies case take-off ground c pilot releases model case hand-launching dl model fails start within five minutes allowed Number Attempts competitor al lowed attempt official flight Exceptions An attempt may re peated organizers judges discretion reason outside control competitor organizer model unable take-off Definition Official Flight official flight attempt made what ever result repetition official flight permitted take-off possible possible due time safety reasons b competitorit has proved cannot perform flight due outside inter ference no scoring made reasons outside control competitor such cases take-off may repeated im mediately after fruitless attempt take off after personal report contest manager during same round out round Marking maneuver round will awarded points Scoring flights starts model released case hand-launch ing b model starts taxi ground Scoring flights ends a model fails start within allowed time b model touches ground ob struction connected ground c lettisoning occurs dl official flight completed No scoring will made following rea sons a when model used already anoth er competitor same contest model accordance general rules characteristics class b model started permission wrong starting sequence c competitor fails return transmit ter flight completed case un authorized use transmitter during flights dl pilot fails release model starting point employs two helpers e pick up transmitter before second call made commencing take-off before called fI entering starting area before second call made switching transmitter before nouncement gI pilot fails take-off within allowed time three minutes officially called hI repetition start permission I starting manner allowed particular category ii hand-launching effected ground using take-off devices k pilot moves away take-off area does operate transmitter himself I model leaves flying space maneuvers cannotbe seen judges Classification final classification will determined aggregate sum two best flights case tie first place final result will established fly-off Any fly-off must take place within hour normal finishing time contest No attempts permitted results fly-off shall count establishment title such World Champion prizes awarded Judging a The organizer must appoint panel least three judges official flight judges shall preferably different na tionalities elected list per sons approved National Aero Clubs ClAM rotation system equivalent system may used provided judge will score contestant equal number times specific system employed World Championship must stated ad vance organizers must have prior approval ClAM ClAM Bureau b There shall training flights judges briefing before after held immediately before World Cham pionship Organization RC Electro-Flight Contests transmitters used contest must checked placed compound kept under observation During con test steward must control trans mitter compound will issue transmit ter competitor name called standby flight As soon attempt has ended competitor must im mediately return transmitter steward transmitter compound unauthor ized transmissions during contest will re sult automatic disqualification offen der entire contest render him li able further penalties order starting 80 Model Aviation no scoring 2 various countries competitors will established means draw before start contest Competitors must called least five minutes before required occupy starting area organizer must provide radio-monitor purpose detecting possible interferences Suggested Schedule Maneuvers F3E Spe cial Out 14 maneuvers listed below six must chosen flown competitor sequence maneuvers has laid down writing valid rounds Take-off ground permitted scoring provided another maneuver replacing schedule has completed within time max 5 minutes counting se cond official call Maneuvers 0Hand-launching 1Take-off ground 2Two inside loops 3Two outside loops3 4Double lmmelmann2 5Turn1 6Spinthree turns2 7Cuban Eight3 8Running Eight starting down ight starting middle2 10Three horizontal rolls2 11 Four-point roll3 12SIQw roll mm 4 sec3 13 Approach rectangular four legs aLanding 30 m circle1 14bLanding 15 m circle2 Suggested Schedule Maneuvers F3E Junior Models two axes radio control steering Engine running radio-controlled Landing aids schedule has completed within time 5 minutes counting second official call After launching hand following ma neuvers have flown given order Coefficient Maneuvers 1Two outside loops3 2Turn2 3Inverted flight starting ending Ia loop2 4Spintwo turns2 5Approach2 6a Landing 3Gm circle1 6b Landing 15 m circle2 Schedule Maneuvers Electro-Motorgliders two turnlines distance 150 meters middle distance shall gate Gate two poles 3 m high dis tance 20 m turnline shall timekeeper flagman model running engine handlaunched Time release taken timekeeper first task pilot has total flight-time 200 sec has decide much will use climb much gliding competitor has shut tle between two turnlines often pos sible gliding turnilnes have over flown time full leg com petitor given 10 points Restarting en gine before expiration 200 sec termi nates scoring does expiration 200 sec After task competitor has fly again through gate soon possible passing gate timekeeper No 2 takes time flying through gate proper altitude means between two poles lower top 10 points grant ed After passage through gate climb starts delay Now total time climb gliding will 300 sec Again up competitor decide much time will use climb much gliding second gliding time competi tor given point second over 300 sec total flight time point shall deducted important gliding time taken motor cut gliding time ends motor restarted Lee Hines Costa Mesa CA holds own design Ulti max A-2 Towline Glider set Open age class national record December 18 1976 rec ord still stands 53 Coefficient minutes 46 seconds comprised 12 maxes last five progressively aeasing times increments minute 13th flight 148 seconds record set Elsinore CA Record Trials organ ized Sky Hoppers Orange County very super special dayforfly ing Free Flight Hines said Ultimax features wing 15181 aspect-ratio CH-407 airfoil modified per Crowley/Klintworth undercambered stab airfoil 7% thickness Covered Japanese tissue model also Seelig de thermalizer timer Czech cir cle tow hook NFFS fiber glass tail boom CONTEST COORDINATORS I Pad L Penney S Chalorta AndOne, MA 01810 II R SobrinO 87-26 88th St. Woodlsanen Oseens NY 11421 Bc Bryan Sattlar 29 Waldorf P1. Schesecnfdy NY 12307 5c Frei Rlackborn6 Bloe8psoce Ln Cotsnack LINY 1172S III Ken Raber Rd 1 Naaareth PA 18064 lEash M Wesanbach 4585 W 148s1s St. cleneland OH 44135 West Rc J Slaver 809 Forest Rose Ave. Lonter OH 43130 West V Warren sanders Jr 9735 52nd Ave College Pk MO 20741 Sc J Lawrence 12538 Ffoodstock Dr. upees Marlboro MD 20870 V Sen Cleveland 708 Coontry dab Tollatonsa TN 37388 RC J Oasis Jr18135 Lakeshore eirsnngnaatAL35216 RC Ctsarlene Fields 818 Main St Ness Ellisoton sc 29809 FREE FLIGHT CONTEST BOARD I Henry Strock RFD No2 Hat4ssg Old Lysno CT 06371 II Carrel Alvin 2Araona R Hontngson sta NY 11746 Ill Rody Klcibar 2021 Lakeland Are. Lakewood OH 44107 IV joe 8oy1e J. 218 Slsanedosh Rd. Hampton VA 22361 V Sooty Jonkios 3112 East Raises Rd. Marnpnis TN 38118 VI Chris Massono 10132 Oooglass Ct. 55 Ann MO 63074 VII Phil KIntwosth Jr. 715 Rosters Rd. Rocnestes Ml 48063 VIII Mark Valascs 23132 Poeseran Dr Honstot TX 77055 IX Edward ColIos 4318 6 Utah FV Denver CD 80222 X Joe Nontross 4836 Wee 123rd St. Hawthorne CA 90250 XI Ernie Linn 16858 121 Ate SE Rattan WA 88096 CONTROL LINE CONTEST BOARD George rlggrls P0 Boo 482 North Pembroke MA 02358 II 811 Sots 7706269th St Ness Hyde Park NY 110413 Ill Lairn Jackson 523 Meadtssbrook St Davids PA 19087 IV Rae McNIIy 6118 8da As. SisrngdiM VA 22152 V Date Hernstracght D 80 171 Motcha Corner SC 29461 VI Sob SoreS 132 Rocklord Apt 12 Porest Park IL 80130 VII Jantss Sinton 4941 Wisconsin Ave N Now Hope MN 55429 VIII Charles Atatton 3730 Kiesnorest Dallas Tx 78233 IX Michael Tallmen 3014 Sochenge Wichita KS 67217 X Pate Srandt 405 21st St. Manhattan Stack CA 90286 Xl Dan Ratherford 4706 227th P1 55. Bothall WA 98011 pull However motor may re versed after announcement Landing ap proach landing included glid ing time Having announced landing ap proach pilot may use landing aid Landing 30 m circle Coefficient m circle tal flight time ends model touches ground program aims development models good rate descent min imum speed relatively high rate climb power-flight VI Kit DeWant 3930W Jettersot Kokosno IN 46901 BC Ralph White R R 1 Boo 324 Neoga IL 62447 VII John Evert 421 Walnot Ln Apple Valley MN 55124 West Wesley Slave 1213 Wall St. Port Horon Ml 48060 East VIII John Deaton 5012 Royal Or. Ft Worth TX 76116 BC Larry Stanfitld 301 Wilson St Crossley TX 78036 IX JantesT Fitiey6540 6 Central Wioltita KS 87206 BC Robert Arnntt 2009 Keasas Great Bend KS 87530 X Myrtle Coad Rt Boo 19 Losses Lake CA 85457 Northl Lee POlotkh 258 nt Ave. Dolana CA 93017 Sooth XI Don Dodd 3409 Baltidere Ava. SW Seethe WA 98126 Rc Donald Miller 3436 S 263rd St. Kent WA 58031 RC Pylon & Soaring Rd Pattern sod tnher RC RC Soaring attern Pylon & other RC RADIO CONTROL CONTEST BOARD I Does AIlsed 38 Sosnsst Rd LeninStan MA 02173 I Joe Frend 62 Joysan Tens PraehOld NJ 07093 III Dave Bsossn 8534 Haddlestos Cincinnati OH 46236 IV Fred M Gregg 12709 RichssOfld St Osestas VA 23821 V Rhert Miller Sr 3035 Lakeshore Os. Tallahassee FL 22302 VI hoE Underwood 4109 Coescord Oaks Dr. S Lons MD 83128 VII Peter Waters 31219 Kendtll Unonia MI 48154 VIII Davd Hyde 2026 Snossssass Lt Garlatd TX 75042 IX Loren Tregellas 3002 S Everett Withta KS 67217 x Bill Neetheop Ie. 621W lkh St Cost Mm CA 80627 Xl Ralph Brooke 3431 5 194th Seartle WA 98188 SCALE CONTEST BOARD I Richard Sharesas 406 River Rd. Tessktbory MA 01876 II Robert Gossens 55 Snoressay Dr. Rochester NY 14012 III Edward Wissar 1521 Sosssst St MoKeasport PA 15130 IV Bob KarIsson 2643 Marsh Rd. Wilssiogton 05 19810 V Daoid PIart 6540 NW 15th Ft Laaclasdale PL 33313 VI Prank Seatty 2605 Pontoon Rd. Granite City IL 604O VII Ossad MeCalloagls Boa 40 Mentacees IA 80171 VIII Johnty Casborn Boc 8029 Ft Worth TX 76112 IX Dean Copaland 7817 Seward St. Osnana NE 68114 X Fraal Capan 251 Coatino de las Florne Encinitas CA 93024 XI Earle Moorhead 2750 View P1 5 Salem DR 87302 cONTEST BOARD COORDINATOR Don Lindley 420 Tapala FJpanill IL 60640 March 1978 81 DIRECTORY Bold Peos 610w IndIcate Otaictean Contat Board X SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX 0 Competition News will present time time constructive thought-provoking ideas further However feel being criticisms AMA rules policies affect competitors issue has two sides CNright just enough hobby where0 Owill endeavor print viewpoints have submittedwithin limits availableanyone times wrong read onX Co waco uniqueness constructiveness timeliness good taste Determination appropri- y railroad-highway intersections have Xateness publication of matters must necessity rest solely publisher O ght presented author should necessarily construed asflashing lights bells automatic gates yes-0 AMA HO AMA officers publisher should note publication terday stood sign read RAIL- -u 4rules-change policy-change idea does necessarily mean specific proposal has beenROAD CROSSINGSTOP LOOK LISTENCo O presented Contest Board Executive Council appropriate committee such action stop could see up down 0 Co responsibility author anyone else interested obtaining official action tracks could see up down X Xtracks would have Co 0 0tracks tracks wrong place Co 4THE BEST F F TEAMsupport manufacturers make en- Before get tracks LISTENIu Ogines timers towhooks etc make theInstead STOP-LOOK-LISTEN ouro CoBill BogartWorld Champs possible takes numbers flying lets use COOL agree onlyx X1975 FF Team Managerwell fanatics have entice new bloodtime can turn have Ointo program give us future teamscorrect clip Okay have proper clip 0 CoMike Kevilles letter August issue 4expressed opinion quality eve World Champs ulti-Turn immediately off say O1977 US FAI Free Flight Team Dave Lin-mate contest flyoffs should expected about one-second interval Now LISTEN Costrum commented Mikes letter De-and planned hundreds other nobody yells Im hit turn again0 off about three-second intervalX Xcomber issue calling philosophy atti-contests year featuring FAI classes andAgain LISTENI still nobody yells aCo Otude Mikes letter almost too absurd But0 rules should keep contests theirsafe bet will shoot anybody down Co a.Daves reasoning discussing mistakes ofentrants well mind Without therethe other guy uses on/off precaution0 4 te Ed Carroll Team Finalswould no World Champs requiredthen wont get shot down eitherCo oBob o slowly FAI rules changes ff technique does take much Cois strange logic flier makes rinted Bat Sheet newslettertime after several flying sessions will beCo xmistake Finals may well make theof Strat-O-Bats Club Seattle WAsecond nature clubs have added0 osame mistake World Championships CoIf logical opposite must bemethods safety rules avoid crashes 4true eg fliers timer doesnt malfunctionAdd list until get flashing w Oat Finals likely malfunction atlights ringing bells automatic some-0 Cothe WC Balderdash logic absurdthing other will stop crashesX XWhat Mike laments others think-PROPOSAL TOHave correct ClipCo Coing about system team selectionturn On0 ahasnt developing selecting fliersREORGANIZE THE AMAturn OffU 4whohagreatest propensity potentialDick Singerthen ListenCo ove theo Coto win eventX xTonight October 24 Los AngelesPhoenix AZDo again Cool man Helpful reminder Add sign fre-Co ORams wiped up Colosseum Mm- osal offered attempt givequency clipboard label COOL CLIPS0 Co Vikings playoff last fall Vik-modeling model flying back inted Prop Wash newsletter 4ings made Rams look silly point isYouth Americathe Mercer County RC Club Trenton NJCo Othat given outing whether day orMEMBERSHIP IN NEW AMA0 CoX three flier may well poorlyany flier 1 Remove members over 18 years old XOver number contests best fliers wind2 Regular members AMA 8 18Co O0 Coup top very way we3 Associate members over 18 must V adevelop opinions best fliers aresponsored regular member B 18STAR NOVICE RC PATTERNCo have viewed Semi-finals results4 Regular members B 18 may sponsor0 Cofrom past Labor Day weekend willonly two associate members eachM Buck Peck X xhave noticed large number excellent fliersNorfolk VA Co O will going Finals-the resultAMA SPONSORED CONTESTS0 One-clay contest1 shall events regular membersPattern simply gotten too complicated 4Is boils down enough flying inassociate members open eventsfor fun said old curmudgeons such Co 2 O the team selection still seem making associate event must Novice entry point populated o Co team selection simple economic Asthree regular member eventsopen gimbels white bucks retracts now X xeven tuned pipes years tried long aswe continue manner shall ASSOCIATE MEMBER OATH order brainstorm simplistic startin g point Co destined among also-rans WC associate member adult remain no avail Only start spend much time AMA member must stimulate Tidewater RC scheduled host Co O and money sport will develop fliers least two persons year become reg- 1977 Virginia State Championships 0 X Coof World Champion statusular members 8 18 associate mem- never sat down CD Jay Jennings Xber promises sasist help newinvented Star NoviceCo Omembers become happy competent mod-0 Co aelers model fliers1 Entrant must have previously placed-u 4in sanctioned Pattern contestCo O itted modelers concerned with2 Retracts installed may used0 Coour youth future ho bby x3 Before flight entrant will line out O FF FAI RULESGO SLOWany two maneuvers choice NoviceCo Coscore sheet will neither fly nor scored Steve 4 HelmickCo After World Champs up 40Easy run turned out successfully En- 0 X flyoff event atrants lumped regular Novice XCo oover limiting performance aRAI LROAD CROSSINGgroup identified small stars o Co no flyoff way see theSTOP LOOK LISTENThe judges scorers nothing different caliberto Extra trophies funded fliers WC level simplyDick Radcliffe ohas lousy conditions eliminate max-by entry fees 0 CooutsThere reasons crashThey loved Good club fliers several X x But wonder should modify rules Most now have heard years experience previously felt outCo O with World Champs mind should seen experienced yourself type classed equipment impression points 0 Co consider guys like myself seldom crash can add avoidance gave whirl Beginners year -g 4 max-out anyway like events other guy turns fre- experience werent stigmatized label Co 0 trying improve Limit performance quency did have proper fre Competent fliers won straightforward x through rules changes watch quency clip wrong four-channel Pattern craft fun Xaverage guy desert sinking shipwere guy proper clip youexperienced competitionCo 0 Remember takes large number ofwere right guy clip CDt licensed fee try -u aentries support team financially tofeels having clip enough read noour patented Star NoviceCo 0 SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX X 82 Model Aviation Nick Sher Langhorne PA made flight 12157 mph backed up another 12149 mph claim National AMA Record Control Line Speed Open age division record set October 91977 Dayton OH Cold Cash Speed Bash put Dayton Buz zin Buzzards Model Airplane Club previ ous record 12011 mph held Robert Bradshaw established 1974 model shown several photos page mostly constructed balsa basswood used strategically cov ered K&B fiberglass cloth finished clear K&B polyester resin Its wing has span 1 3% 1-5/8 center chordsym metrical airfoil model weighed 5 oz Power came Cox TD equipped GloBee plug tuned pipe supply ing information about record setter Sher said used Cox unported sleeve Schnuerle-cut tuned pipe Cox speed pan used prop re worked Cox gray 5 x 4 fuel tank homemade suction type Single line control used through B&S torque unit model Stanzel-type Monoline handle