ACADEMY OF MODEL AERONAUTICS815 FIFTEENTH STREET NWWASHINGTON DC 20005 World Record Future Maybe Check accompanying list current World Records see isnt category has special interest and/or has current record within striking range Keep mind though new record must exceed existing 2% better break current World Re cords course will tough either because high achievement present hold er because equipment measure perfor mance isnt readily hand some record categories minds new records could easily seu given bit concentrated interest luck some cases Rubber Power FF Duration record now stands 1 hour 41 minutes 32 se conds Thats bad some days wind drift thermal activity just right model stay up hours de thermalized Model could AMA Unlim ited bigger FAI model specifica tions records wont concern anyone very much closest limit apt encoun tered minimum surface area wing plus stab projected loading 395 ozs per square foot Models clocked ordinary stop watches its okay timers follow model Rubber Power FF Height present re cord 5682 feet surely beatable fact record frequently beaten accident certification rubber model Wakefield Unlimited goes out sight overhead dethermalized hot thermal trick find sup er-thermally days have height-measur ing means disposal Piston Power FF Speed break re cord presently 10777 mph certainly would require model different normal FF contest sport machinebut better perfor mance easily possible main design con siderations rules compliance 61 cu maximum engine maximum surface load ing 1638 ozs per square foot timed course length 50 meters 1 64 must flown both directions within 30 minutes average considered record purposes Main design considerations outside FAI specs would controlling turn climband having model would survive landing ready flight opposite direction Surfaces designed break-away impact should obviously considered Hand-launch ing permitted AMA Technical Director Frank Ehling thinks ROG way go approach would set surfaces airplane couldnt lift off first flight trial gradually adjust sur faces until plane barely climbs Keep close ground philosophy Obvi RC Speed Straight Line Record holder Goukoune Myakinine USSR above seems clean design except rubber hold-downs plainly visible front-end shot right first pass timed 265 mph downwind following long dive accelera tion wind said variable both force direction time gusts up around 16 mph short dive made before entering course opposite direction clocked speed 162 mph average two passes record 2137 mph WORLD RECORD Cant FAI WORLD RECORDS ously timer limit engine run would needed would good tracking takeoff gear timer-actuated variable tail surfaces Ia present FAI Power models might use ful Free Flight Seaplanes Rubber Power FF Seaplane records stand unclaimed kind performance would cop gorgeous FAI World Record Certificate same true Piston Power FF Seaplanes Duration Speed categories achievable point view capturing Dis tance Height records shouldnt too dif ficult Seaplane models have take off water dont have land water RC Glider Height ego takes great pleasure snatching record away other country current record 4988 feet own Ray Smith seems like its right plucking Launching RC Glid ers World Records line 984-ft maximum lengthwinch pulleys hand towing permitted Landing RC models including Gliders must within 500 meters takeoff release point within 500 meters pre-stated landing point Straight-Line Distance Records pilot must stay ground somewhat limiting factor altitude control must maintained binoculars other optical aids may used RC Helicopter Distance Closed Course Straight-Line Distance record 3572 miles surely 933-mile closed course figure can bettered records shown tentative clear us view date performance FAI being ques tioned matter course RC mo dels piston engine including Helicopters straight line 500 meters length RC Helicopter Speed Hubert Bitners recent October 17 speed 343 mph ing submitted FAI certification new World Record category suspect concerted effort will better figure timed course 200 meters must traversed both directions within half hour landing average speed considered record purposes Control Line Speed records 5cc 305 cu 10cc 610 cu classes already bettered comparable en gine size AMA National Records itshould recognized FAI specifications require larger model commonly used AMA competitions due FAIs maximum surface loading class 3276 ozs per sq ft surface area wing plus stab area Yet using FAI Speed competition model example has same maximum load ing limitation increased wing area has seemed slow models Monoline takeoff dollies permitted FAI CL Speed records kind fuel Further no minimum control wire di ameters pull test contend withwhich points up need conduct FAI CL Speed Record Trials isolated area completely free spectators super-strong pro tective barriers officials FAI line length minimum 52277 5cc class 65346 10cc class Timing over minimum distance kilometer respec tively 10 8 laps lengths given Longer lines may used providing kil ometer made up whole number laps Indoor Category Ill AMA Cat egory II HL Stick record exceeds 33 min utes 34 seconds FAI World Record Free Flight Landplane Classification FlA 17 Glider Duration FlA 18 Glider Distance SL FlA 19 Glider Height FiB 1 Rubber Duration FiB 2 Rubber DistanceSL FiB 3 Rubber Height Fl B 4 Rubber Speed Fl C 5 Piston Duration Fl C 6 Piston Distance SL FiC 7 Piston Height FiC 8 Piston Speed Fl F 9 MC Rubber Duration FiF 10 MC Rubber Distance SL Fl F 11 HC Rubber Height FiF 12 HC Rubber Speed FiF 13 HC Piston Duration Fl F 14 HC Piston Distance Fl F 15 MC Piston Height FiF 16 HC Piston Speed Free Flight Seaplane Classification FiB 40 Rubber Duration Fl B 41 Rubber Distance SL FiB 42 Rubber Height FiB 43 Rubber Speed FiC 44 Piston Duration FiC 45 Piston Distance SL FiC 46 Piston Height Fl C 47 Piston Speed Held By Nation M Milutinovic Yugo Z Taus Czech G Benedek Hungary V Fiodorov USSR Tchiglitsev & Tomsk USSR V Fiodorov USSR P Motekaitis USSR M Koulakovsky USSR E Boricevitch USSR GLioubouchkineUSSR Doubinetzky USSR Nazarov USSR G Pelegi Italy P Motekaitis USSR P Motekaitis USSR S Purice Romania V Titlov USSR S Purice Romania Pavlov USSR Held No Record Established No Record Established No Record Established No Record Established No Record Established M SuIcCzech M SuIcCzech No Record Established Performance 4h 58m lOs 1928 mi 7755 ft lh 41m 32s 23064 ml 5682 ft 90036 mph 6h im 2353 ml 13620 ft 10777 mph 33m 267s 171834 ft 2664 ft 8962 mph 3h 12m 5685 ml 12300 ft 7215 mph 975 ml 6430 ft Radio Control Classification F3A 20 F3A 21 F3A 31 F3A 22 F3A 23 F3B 24 Landplane Duration Landplane Distance SL Landplane Distance CC Landplane Height Landplane Speed Glider Duration F3B 25 Glider Distance SL F3B 34 Glider Distance CC F3B 26 Glider Height F3B 33 Glider Speed F3C 35 HC Piston Duration F3C 36 MC Piston Distance SL F3C 39 MC Piston Distance CC F3C 37 MC Piston Height F3C 38 MC Piston Speed F3A 48 Seaplane Duration F3A 49 Seaplane Distance SL F3A 52 Seaplane Distance CC F3A 50 Seaplane Height F3A 51 Seaplane Speed Held L Giertz R Weber R Weber M Hill Goukoune/Myakinine V Miakinine J Miner L Aldochine R Smith W Sitar H Paellman D Ziegler V Bitterer H Pallmann H Bitner W Kaiser N Bowles B Petersen M Hill Goukoune/Myakinine Nation USA USA USA USA USSR USSR USA USSR USA Austria Performance 14h 29m Sis 266 ml 4244 mi 26919 ft 2137 mph 25h 44m 8s 3186 mi 32435 mi 4988 ft 18827 mph Germany 1h45m Germany 3572 ml Germany 933 ml Germany 3471 ft USA W Ger USA USA USA USSR 343 mph 6h 18m 17s 1352 ml 15286 ml 18540 ft 18329 mph Control Line Classification F2A 27 25cc Speed F2A 28 5cc Speed F2A29 10cc Speed F2A 30 Jet Speed Held A Pereversen T McDonald A Kouznetzov L Lipinski Nation USSR USA USSR USSR Performance 1864 mph 17954 mph 196 mph 24583 mph Indoor Classification FiD 32a Cat up 26 FiD 32b Cat II 26 49 Fl D 32c Cat III 49 98 F1D32d Cat IVover98 Held T Vallee J Kalina E Ciapala R Kowalski Nation USA Czech Poland USA Performance 22m 45s 30m 7s 33m 34s 5Gm 41s Tentative MC copter SL ight Line CC ed Course 70 Model Aviation Date Est 5-1 5-60 3-31 -62 5-23-48 6-19-64 7-1-62 6-19-64 6-20-71 8-6-52 8-14-52 8-1 3-47 6-25-7 3 6-3-68 8-3-74 8-30-75 6-12-70 10-1-65 10-1 -63 9-24-63 9-20-70 Nation Performance Date Est 10-4-73 10-4-73 Date Est 7-5/6-74 8-16-7 5 5-31-76 9-6-70 9-21 -71 9-30/ 10-1-73 4-24-7 5 10-24-74 9-2-68 5 -29-7 6 7-13-74 7-1 3-74 8-1 2-73 7-31-74 10-17-7 6 4-1 5-72 3-6-76 9-14-7 5 9-3-67 9-25-71 Date Est 11-2-75 11-15-64 9-30-62 6-1 2-7 1 Date Est 8-22-7 5 8-26-70 8-19-7 3 8-14-7 6 FAI Category Ill seems hope bringing record US FAI Indoor model record rules dont limit weight size models really upper size limit thats huge present record pretty good figure maximum 98 ceiling admit its certainly tainable 5041 figure Dick Kowaiski set FAI Cat IV last August Measuring Record Performance Duration Two timekeepers may use ordinary stop watches needed record ing barograph carried model may used unaware suitable baro graphs Other seaplanes models may either hand-launched rise off ground Models rise ground water must become airborne period exceed ing 2% total flight time engine RC models must run least 98% record time RC models must land within 500 meters launch point unless Duration record set conjunction Straight-Line Distance attempt Timers may follow model use binoculars other means proving model remained airborne Distance Straight Line Up 500 kil ometers measured official maps such may obtained US Geological Survey other US agencies Above 500 kin distance computed geographical ordinates places launching land ing maps used helpful ob tain maps beforehand plan launching landing according references map Distance Closed Course base 500 meters powered RC models 100 meters RC Gliders can established di rectly measuring steel tape Officials needed course end signal ends passing another official record number course lengths completed Speed Straight Line course may laid out direct measurement steel tape triangulation perpendicular ob servation/timing points course length 50 meters FF Rubber Power models RC Gliders 100 meters FF Piston Power models 200 meters RC powered mo dels course entry must also laid out 100 meters RC powered models 25 meters RC Gliders Powered RC models must maintain altitude between 40 meters 10 meters during both course entry actual timed course RC Gliders must exceed 20 meters altitutude during course entry actual timed course references need established offi cials can certify maintenance flight altitudes Two timekeepers really two sets timekeepers must used timepieces measuring least 1/100th second difference between times reg istered two timekeepers must ex ceed 1/50th second common method watch usage electrically rig stop watch actuation sensitive push-button switches held operated timers end course other means may also used course must flown both direc tions within one-half hour FF models may land between passes RC Control Line Speed Essentially timing same AMA Speed require ment two timers Stop watches must measure least 1/10th second difference between watch readings must exceed 2/1 Oths second Right Optical tracker Hills altitude flight electrically driven photo Walt Good lower tracker operator Maynard Hill above operates transmitter 26919-ft record Bill Watson tracker operator Below Bryce Petersens Seaplane Closed Course Distance Record holder Has HP 40 Perry Pumpcarried 72 ozs fuel burned 4 ozs 15286-mile flight Above Maynard Hill preps Catbird flight Hill holds RC Altitude Record design earlier also held Dura tion Record plane weighed 74 lbs takeoff complete about 25 ozs fuel flight terminated fuel exhaustion 26919 feet airborne receiver mounted insulated box also provid ed heaterturned 15000 feet keep radio cabin above 300 throughout WORLD RECORD Cont Altitude Height types aero modeling records height above starting point likely present prob lem approved measurement Choice must among several means specified FAI Sporting Code small barograph car ried model theodolites telemeters barograph carried full-size aircraft follows model never exceeds max imum height moiel arent aware suitable commercially available small barographs carrying model March 1967 Flying Models carried article Maynard Hill build small baro graph about 6 oz weight Most the odolites telemeters situated govern ment testing ranges however cooperation use such equipment has obtained past Barographs carrying accom panying full-size airplane may rented contacts provided AMAs parent body National Aeronautic Association using barographs also necessary calibrate instruments determine height reached 26919-ft height record Maynard Hill way determined radar Naval Weapons Laboratory Airfield DahI gren VA Hill maintained visibility con trolling model means 30-power telescope Basic Model Requirements Maximum weight fuel 11023 lbs Maximum engine size 61 cu Maximum surface area 2325 sq ins Maximum surface loading fuel FF 1638 ozs per sq ft RC 2457 ozs per sq ft CL 3276 ozs per sq ft Minimum surface loading classes 395 ozs per sq ft Projected wing area projected stabil izer area added together determine sur face area loading maximum size pur poses FAI Sporting Code rule book avail able AMA HQ $250 PAl Record Sanction Procedures Sanction fees payable advance AMA HQ set lower actual costs order encourage possible try Proce dures different clubs individuals follows Club Regional Trials sanction fee $1000 good FAI record categories number records can established under single sanction sanction ef fective requested three-day period available AMA chartered clubs trying record must have current AMA license $1 FAI stamp pay fees same CD prior flight Application made current AMA Contest Director AMA HQ using letter request regu lar Application Meet Sanction CD will mailed sanction certificate copy records section FAI Sport ing Code rule book Individual Trials sanction fee $100 sanction obtained sending fee letter request stating category record attempted AMA HQ Such sanction will granted current AMA members have $1 FAI stamp good attempts desired during calendar year issuance cat egory onlynon-transferable Individual tempts must witnessed current AMA Contest Director other officials required according particular categories Since indi vidual sanctions specify dates sites individual CD concerned must notify AMA HQ mail telephone prior attempt giving time site planned attempt mail used postmark must least five days prior attempt phone notice must given least 48 hours advance Claim Record Meet Individual record claim must made AMA HQ soon possible flight made weekend HQ must notified phone following Monday morning AMA HQ required notify FAI record claim 48 hours attempt record claimed must accompanied $20 record processing fee fee will refunded reason record accepted FAI Finally documented report record performance signed CD must sub mitted AMA within 30 days notice AMA HQ Whos Presently Trying written mid-November 32 outstanding individual sanctions FAI World Record attempts will expire December 31 1976 no doubt will renewed continuing efforts 1977 listing holding sanctions provides interesting picture FF Rubber Speed No 41 Issued Tom Vallee Speed needed 9184 mph RC Landplane Duration No 20 Separ ately issued Gerry Harkins Richard Weber Duration needed 14 hours 47 minu utes 15 seconds RC Landplane Distance Straight Line No 21 Separately issued Gerry Harkins Jack Hiner Distance needed 27132 miles RC Glider Duration No 24 Issued Christopher Adams Duration needed 26 hours 15 minutes 1 second RC Glider Distance Straight Line No 25 Separately issued Christopher Adams Jack Hiner McI ntyre-Hiner team Richard Schilling David Smith Larry Vincek Distance needed 325 miles RC Glider Height No 261 Separately sued Christopher Adams Jack Hiner Mclntyre-Hiner team Richard Schilling David Smith Larry Vincek Height needed 5088 feet RC Glider Speed No 33 Separately sued David Katagiri Ken Stuhr Speed needed assuming acceptance present tenta tive record 19204 mph RC Seaplane Duration No 48 Issued Bryce Petersen Duration needed 6 hours 25 minutes 51 seconds RC Seaplane Distance Straight Line No 49 Issued Bryce Petersen Distance need ed 1379 miles RC Seaplane Distance Closed Course No 52 Issued Bryce Petersen Distance need ed 15592 miles CL Speed 5cc Class No 28 Issued Glenn Lee Speed needed 18313 mph Indoor Duration Cat No 32a Issued Tom Vallee Duration needed 23 minutes 13 seconds Indoor Duration Cat II No 32b Issued Tom Vallee Duration needed 30 minutes 44 seconds Indoor Duration Cat Ill No 32c1 Sep arately issued James Richmond Tom Vallee Duration needed 34 minutes 15 se conds Indoor Duration Cat IV No 32d Sep arately issued Ray Harlan James Richmond Al Rohrbaugh Tom Vallee Duration needed 51 minutes 42 seconds Want join 72 Model Aviation Jack Hiner shows off RC Sailplane established Straight Line Distance Record 3186 miles 1975 Flight took just over two hours landing 135 meters spot picked X SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX ompetition News will present time time constructive thought-provoking ideas orI think Cyrano said can pro- riticisms AMA rules policies affect competitors issue has two sides CNtecs myself enemies God0 owill endeavor print viewpoints have submittedwithin limits availablecan save friendsX Co space uniqueness constructiveness timeliness good taste Determination appropri- tion Simplel Xateness publication of matters must necessity rest solely publisher1 Li o ghts presented author should necessarily construed ne up runways spectator0 AMA HO AMA officers publisher should note publication aareas reasonable distance 4rules-change policy-change idea does necessarily mean specific proposal has beentween addition place spectatorsw opresented Contest Board Executive Council appropriate committee such action isso plane taking off moving paral-0 responsibility author anyone else interested obtaining official actionlel towards themX X2 Designate pit area away inno-CO o0 cent Anyone starts runs engine RULES CHANGESwhats going happen clubs will againoutside area grounded receives w ENGINES formulate club rules event specifying censure entire club o plain bearing engines just some clubs Im always ready lend hand pit X XDuke Foxholding contests Goodyear racing saying Anyone anytime get bit 0 Fox Manufacturing Cono Rossis allowedwill due own stupidity my0 a- understand Control Line Contest I would like see some nationally stan- book stupidity natures capital of- ard seriously considering rule changes dard racing event would allow relative fenses Butto collect broken props in- w would disqualify new Combat Spe- beginner become competitive relatively nocent bystanderCasey Stengle said very 0 X cial Slow Combat Slow Rat Race short period time would also like well Include out X 0 events happen effect rules free modification long Reprinted Log newsletter me would disastrous have far spent period time dont see advantage Riley County Fliers Kansas order $200000 working up engine adding quick fills fuel shut-offs ball bearingW o0 Coand getting level performance engines racing events think $50000can have much fun racing event Xnow sales far have underwithout above would like OI need tales three events plus sport0 flyers help amortize investment andsee Slow Rat become kind racing a.CAUTIONADULTS AT PLAY 4hopefully few years make enoughevent oprofit support another new motorOur hobby/sport construction andW CoAn almost identical situation did happencontrolled flying miniature airplanes isa0 Xin 1966 put last mydemanding very unforgiving activity Er oCo pesos developing Fox 74 enginerors construction become evident very SAFETYquickly poor flight characteristics actual 0.which planned ultimate Pattern en4W ogine Almost simultaneously first de-John Giffordin-flight failures airplane Inadequacies Coliveries AMA announced henceforth topic safety Safetyfor safetyof piloting skill alto become evident equally0 quickly airplane plunges spiralX XPattern would limited 10cc 60 size en- safety familiesdive terminating cloud balsa fragments 0 Ogmat immediately 98 percent mar-I know well aware shredded MonoKote ket evaporated five years AMA rules governing flight safety also Anyone considers playing - 4money new Fox products like toknow reasonable persons orwith mens toys better stop reconsid-W 0 othink modeling well myselfat least reasonable can yeter toys cost upwards $20000 andx Co losersstay involved RC However aremany hours painstaking work Co X ure Cox Testor K & B my-times simply thinkflight have potential destrcutive energy0 0 self have supported American model activities example editor visited Mu- 30-06 rifle great deal foreign manufac- ford site Sunday what saw further misconception planet w 4-g o turer think unreasonable us scared him Scared him did re- models just isnt true planes 0 Co ask considerations turn are miniature airplanes smaller X X rules changes what effect will have Motors revved up ground direct versions full-sized machines Aerodynami- Co 0 oour capability continue serving modelersline spectators Additionally engines cally planes operate different flight sted tuned admiring circle ofregime other class airborne ye- g 4the innocent standing around Men womenhides must obey Laws aero- W o0 children lounging comfort parallel anddynamics awe different forX XTHEnot 10 yards away churning mills different sizes well different speeds oSLOW INat takeoff Hoo-Boyl earned living design-0 CL SLOW RATLets little simple arithmeticing developing supersonic airplanes 1 wooden 11 x 7 prop weight two indeed made tome modest contributions w oDr E W Schnitzerounces nylon weighs bit morethe State art trantonic dog-fighting 0 x SnellvilleGA2 sixty mill turning out 12000 rpmtechniques very low Reynolds Numbers X rules Slow Rat allow en-3Reasonable noof miniature airplane flight make area o0 gine 36 cu displacement our4So what Gifforddesign whole new ball-game Yet still 0club conjunction another club form-A 11-inch diameter computes 288 feethave image grown men playing with0 4 o ulated club rules event has since circumference their toys o CV become known Slow Rat purpose was B 12000 rpm breaks down 200 revo- Perhaps part problem ourselves X xto allow people become interested andlutions per secondWe call planes models call of-Co o participate racing event large C prop-tip moving 576 feet per ficial body Academy Model Aeronau- 0 ay money become competitive second 390 mph friendl tics stores sell kits miniature -g 4 relatively short period time From 0 Half 11 7 ounce airplanes call themselves model shops W 0rearticles model magazines knowone-sixteenth poundofficial publication AMA called ading x Xthat intent other clubs well ything lets go have systemModel Aviaiton popular maga oas illustrated some rulesone ofthat will deliver slightly 36 ft-lb/zine devoted RC called Radio Control propeller must 10x6sec impact energyModelerand onand on ing1 dont see big gain using ball bear- 5 So what Flat will cause fairly say its time knock offWedont oengine permitted AMA rulesi andnasty bruise Tip first will penetrate build models build miniature airplanes o Co going 10 miles per hour faster plain nearly three inches meat Thats what The AMA should called Academy X ing engine fact see number dis- Cant hpen Back 58 saw one-half Miniature Aeronautics its magazine Mm- Co o advantages plain bearing engine inch nylon prop go through side pan- ature Aviation 0 event has become sophisticated enough el Chew Control Line Combat continue call ourselves model4 person become competitive fracas using 35s contestant tipped ers will treated men toys say W o either has machinist know ground takeoff prop exploded its time separate men boys Co get engine fast enough competitive tell youthat Chevy rang like gong once What think X else send somebody reworked To go through Africa Sicily Omaha Reprinted Streamlines newsletter Co 0 0 With addition bearings Rhine Korea Viet Nam get Romeo Mich Radio Aero Club Mike much work Second think zapped fun-fly Kansas No way buddy Naylor editor 4 0 SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX X February 1977 73 4 ES Three-timio Pre SterlingWright Iiich received OOO check Left Silver President meft Hanni featured Walt So Model Curare c-sentence su orked whome mpetitiofl s worked out full new idea substantial e art World ave us ci very best ers lud NO OCR TEXT Agnur ints ina rry Nelsontuned AENTOF Curares e de-coupi bra Speed ts 500 lots weIl-deservec f big proble. get good con hold us back mo s anything m tar no va new intricate advar judge well tnt Champions 515 problem together imp itors f Judge Doc Ed & crew Dr Ra] mann Liechter Warren Hit USA Mast ut Kirsch Austria McGinnis US/ Frank Schwa SA judges Judges er a
Edition: Model Aviation - 1977/02
Page Numbers: 69, 70, 71, 72, 73, 74, 75, 76
ACADEMY OF MODEL AERONAUTICS815 FIFTEENTH STREET NWWASHINGTON DC 20005 World Record Future Maybe Check accompanying list current World Records see isnt category has special interest and/or has current record within striking range Keep mind though new record must exceed existing 2% better break current World Re cords course will tough either because high achievement present hold er because equipment measure perfor mance isnt readily hand some record categories minds new records could easily seu given bit concentrated interest luck some cases Rubber Power FF Duration record now stands 1 hour 41 minutes 32 se conds Thats bad some days wind drift thermal activity just right model stay up hours de thermalized Model could AMA Unlim ited bigger FAI model specifica tions records wont concern anyone very much closest limit apt encoun tered minimum surface area wing plus stab projected loading 395 ozs per square foot Models clocked ordinary stop watches its okay timers follow model Rubber Power FF Height present re cord 5682 feet surely beatable fact record frequently beaten accident certification rubber model Wakefield Unlimited goes out sight overhead dethermalized hot thermal trick find sup er-thermally days have height-measur ing means disposal Piston Power FF Speed break re cord presently 10777 mph certainly would require model different normal FF contest sport machinebut better perfor mance easily possible main design con siderations rules compliance 61 cu maximum engine maximum surface load ing 1638 ozs per square foot timed course length 50 meters 1 64 must flown both directions within 30 minutes average considered record purposes Main design considerations outside FAI specs would controlling turn climband having model would survive landing ready flight opposite direction Surfaces designed break-away impact should obviously considered Hand-launch ing permitted AMA Technical Director Frank Ehling thinks ROG way go approach would set surfaces airplane couldnt lift off first flight trial gradually adjust sur faces until plane barely climbs Keep close ground philosophy Obvi RC Speed Straight Line Record holder Goukoune Myakinine USSR above seems clean design except rubber hold-downs plainly visible front-end shot right first pass timed 265 mph downwind following long dive accelera tion wind said variable both force direction time gusts up around 16 mph short dive made before entering course opposite direction clocked speed 162 mph average two passes record 2137 mph WORLD RECORD Cant FAI WORLD RECORDS ously timer limit engine run would needed would good tracking takeoff gear timer-actuated variable tail surfaces Ia present FAI Power models might use ful Free Flight Seaplanes Rubber Power FF Seaplane records stand unclaimed kind performance would cop gorgeous FAI World Record Certificate same true Piston Power FF Seaplanes Duration Speed categories achievable point view capturing Dis tance Height records shouldnt too dif ficult Seaplane models have take off water dont have land water RC Glider Height ego takes great pleasure snatching record away other country current record 4988 feet own Ray Smith seems like its right plucking Launching RC Glid ers World Records line 984-ft maximum lengthwinch pulleys hand towing permitted Landing RC models including Gliders must within 500 meters takeoff release point within 500 meters pre-stated landing point Straight-Line Distance Records pilot must stay ground somewhat limiting factor altitude control must maintained binoculars other optical aids may used RC Helicopter Distance Closed Course Straight-Line Distance record 3572 miles surely 933-mile closed course figure can bettered records shown tentative clear us view date performance FAI being ques tioned matter course RC mo dels piston engine including Helicopters straight line 500 meters length RC Helicopter Speed Hubert Bitners recent October 17 speed 343 mph ing submitted FAI certification new World Record category suspect concerted effort will better figure timed course 200 meters must traversed both directions within half hour landing average speed considered record purposes Control Line Speed records 5cc 305 cu 10cc 610 cu classes already bettered comparable en gine size AMA National Records itshould recognized FAI specifications require larger model commonly used AMA competitions due FAIs maximum surface loading class 3276 ozs per sq ft surface area wing plus stab area Yet using FAI Speed competition model example has same maximum load ing limitation increased wing area has seemed slow models Monoline takeoff dollies permitted FAI CL Speed records kind fuel Further no minimum control wire di ameters pull test contend withwhich points up need conduct FAI CL Speed Record Trials isolated area completely free spectators super-strong pro tective barriers officials FAI line length minimum 52277 5cc class 65346 10cc class Timing over minimum distance kilometer respec tively 10 8 laps lengths given Longer lines may used providing kil ometer made up whole number laps Indoor Category Ill AMA Cat egory II HL Stick record exceeds 33 min utes 34 seconds FAI World Record Free Flight Landplane Classification FlA 17 Glider Duration FlA 18 Glider Distance SL FlA 19 Glider Height FiB 1 Rubber Duration FiB 2 Rubber DistanceSL FiB 3 Rubber Height Fl B 4 Rubber Speed Fl C 5 Piston Duration Fl C 6 Piston Distance SL FiC 7 Piston Height FiC 8 Piston Speed Fl F 9 MC Rubber Duration FiF 10 MC Rubber Distance SL Fl F 11 HC Rubber Height FiF 12 HC Rubber Speed FiF 13 HC Piston Duration Fl F 14 HC Piston Distance Fl F 15 MC Piston Height FiF 16 HC Piston Speed Free Flight Seaplane Classification FiB 40 Rubber Duration Fl B 41 Rubber Distance SL FiB 42 Rubber Height FiB 43 Rubber Speed FiC 44 Piston Duration FiC 45 Piston Distance SL FiC 46 Piston Height Fl C 47 Piston Speed Held By Nation M Milutinovic Yugo Z Taus Czech G Benedek Hungary V Fiodorov USSR Tchiglitsev & Tomsk USSR V Fiodorov USSR P Motekaitis USSR M Koulakovsky USSR E Boricevitch USSR GLioubouchkineUSSR Doubinetzky USSR Nazarov USSR G Pelegi Italy P Motekaitis USSR P Motekaitis USSR S Purice Romania V Titlov USSR S Purice Romania Pavlov USSR Held No Record Established No Record Established No Record Established No Record Established No Record Established M SuIcCzech M SuIcCzech No Record Established Performance 4h 58m lOs 1928 mi 7755 ft lh 41m 32s 23064 ml 5682 ft 90036 mph 6h im 2353 ml 13620 ft 10777 mph 33m 267s 171834 ft 2664 ft 8962 mph 3h 12m 5685 ml 12300 ft 7215 mph 975 ml 6430 ft Radio Control Classification F3A 20 F3A 21 F3A 31 F3A 22 F3A 23 F3B 24 Landplane Duration Landplane Distance SL Landplane Distance CC Landplane Height Landplane Speed Glider Duration F3B 25 Glider Distance SL F3B 34 Glider Distance CC F3B 26 Glider Height F3B 33 Glider Speed F3C 35 HC Piston Duration F3C 36 MC Piston Distance SL F3C 39 MC Piston Distance CC F3C 37 MC Piston Height F3C 38 MC Piston Speed F3A 48 Seaplane Duration F3A 49 Seaplane Distance SL F3A 52 Seaplane Distance CC F3A 50 Seaplane Height F3A 51 Seaplane Speed Held L Giertz R Weber R Weber M Hill Goukoune/Myakinine V Miakinine J Miner L Aldochine R Smith W Sitar H Paellman D Ziegler V Bitterer H Pallmann H Bitner W Kaiser N Bowles B Petersen M Hill Goukoune/Myakinine Nation USA USA USA USA USSR USSR USA USSR USA Austria Performance 14h 29m Sis 266 ml 4244 mi 26919 ft 2137 mph 25h 44m 8s 3186 mi 32435 mi 4988 ft 18827 mph Germany 1h45m Germany 3572 ml Germany 933 ml Germany 3471 ft USA W Ger USA USA USA USSR 343 mph 6h 18m 17s 1352 ml 15286 ml 18540 ft 18329 mph Control Line Classification F2A 27 25cc Speed F2A 28 5cc Speed F2A29 10cc Speed F2A 30 Jet Speed Held A Pereversen T McDonald A Kouznetzov L Lipinski Nation USSR USA USSR USSR Performance 1864 mph 17954 mph 196 mph 24583 mph Indoor Classification FiD 32a Cat up 26 FiD 32b Cat II 26 49 Fl D 32c Cat III 49 98 F1D32d Cat IVover98 Held T Vallee J Kalina E Ciapala R Kowalski Nation USA Czech Poland USA Performance 22m 45s 30m 7s 33m 34s 5Gm 41s Tentative MC copter SL ight Line CC ed Course 70 Model Aviation Date Est 5-1 5-60 3-31 -62 5-23-48 6-19-64 7-1-62 6-19-64 6-20-71 8-6-52 8-14-52 8-1 3-47 6-25-7 3 6-3-68 8-3-74 8-30-75 6-12-70 10-1-65 10-1 -63 9-24-63 9-20-70 Nation Performance Date Est 10-4-73 10-4-73 Date Est 7-5/6-74 8-16-7 5 5-31-76 9-6-70 9-21 -71 9-30/ 10-1-73 4-24-7 5 10-24-74 9-2-68 5 -29-7 6 7-13-74 7-1 3-74 8-1 2-73 7-31-74 10-17-7 6 4-1 5-72 3-6-76 9-14-7 5 9-3-67 9-25-71 Date Est 11-2-75 11-15-64 9-30-62 6-1 2-7 1 Date Est 8-22-7 5 8-26-70 8-19-7 3 8-14-7 6 FAI Category Ill seems hope bringing record US FAI Indoor model record rules dont limit weight size models really upper size limit thats huge present record pretty good figure maximum 98 ceiling admit its certainly tainable 5041 figure Dick Kowaiski set FAI Cat IV last August Measuring Record Performance Duration Two timekeepers may use ordinary stop watches needed record ing barograph carried model may used unaware suitable baro graphs Other seaplanes models may either hand-launched rise off ground Models rise ground water must become airborne period exceed ing 2% total flight time engine RC models must run least 98% record time RC models must land within 500 meters launch point unless Duration record set conjunction Straight-Line Distance attempt Timers may follow model use binoculars other means proving model remained airborne Distance Straight Line Up 500 kil ometers measured official maps such may obtained US Geological Survey other US agencies Above 500 kin distance computed geographical ordinates places launching land ing maps used helpful ob tain maps beforehand plan launching landing according references map Distance Closed Course base 500 meters powered RC models 100 meters RC Gliders can established di rectly measuring steel tape Officials needed course end signal ends passing another official record number course lengths completed Speed Straight Line course may laid out direct measurement steel tape triangulation perpendicular ob servation/timing points course length 50 meters FF Rubber Power models RC Gliders 100 meters FF Piston Power models 200 meters RC powered mo dels course entry must also laid out 100 meters RC powered models 25 meters RC Gliders Powered RC models must maintain altitude between 40 meters 10 meters during both course entry actual timed course RC Gliders must exceed 20 meters altitutude during course entry actual timed course references need established offi cials can certify maintenance flight altitudes Two timekeepers really two sets timekeepers must used timepieces measuring least 1/100th second difference between times reg istered two timekeepers must ex ceed 1/50th second common method watch usage electrically rig stop watch actuation sensitive push-button switches held operated timers end course other means may also used course must flown both direc tions within one-half hour FF models may land between passes RC Control Line Speed Essentially timing same AMA Speed require ment two timers Stop watches must measure least 1/10th second difference between watch readings must exceed 2/1 Oths second Right Optical tracker Hills altitude flight electrically driven photo Walt Good lower tracker operator Maynard Hill above operates transmitter 26919-ft record Bill Watson tracker operator Below Bryce Petersens Seaplane Closed Course Distance Record holder Has HP 40 Perry Pumpcarried 72 ozs fuel burned 4 ozs 15286-mile flight Above Maynard Hill preps Catbird flight Hill holds RC Altitude Record design earlier also held Dura tion Record plane weighed 74 lbs takeoff complete about 25 ozs fuel flight terminated fuel exhaustion 26919 feet airborne receiver mounted insulated box also provid ed heaterturned 15000 feet keep radio cabin above 300 throughout WORLD RECORD Cont Altitude Height types aero modeling records height above starting point likely present prob lem approved measurement Choice must among several means specified FAI Sporting Code small barograph car ried model theodolites telemeters barograph carried full-size aircraft follows model never exceeds max imum height moiel arent aware suitable commercially available small barographs carrying model March 1967 Flying Models carried article Maynard Hill build small baro graph about 6 oz weight Most the odolites telemeters situated govern ment testing ranges however cooperation use such equipment has obtained past Barographs carrying accom panying full-size airplane may rented contacts provided AMAs parent body National Aeronautic Association using barographs also necessary calibrate instruments determine height reached 26919-ft height record Maynard Hill way determined radar Naval Weapons Laboratory Airfield DahI gren VA Hill maintained visibility con trolling model means 30-power telescope Basic Model Requirements Maximum weight fuel 11023 lbs Maximum engine size 61 cu Maximum surface area 2325 sq ins Maximum surface loading fuel FF 1638 ozs per sq ft RC 2457 ozs per sq ft CL 3276 ozs per sq ft Minimum surface loading classes 395 ozs per sq ft Projected wing area projected stabil izer area added together determine sur face area loading maximum size pur poses FAI Sporting Code rule book avail able AMA HQ $250 PAl Record Sanction Procedures Sanction fees payable advance AMA HQ set lower actual costs order encourage possible try Proce dures different clubs individuals follows Club Regional Trials sanction fee $1000 good FAI record categories number records can established under single sanction sanction ef fective requested three-day period available AMA chartered clubs trying record must have current AMA license $1 FAI stamp pay fees same CD prior flight Application made current AMA Contest Director AMA HQ using letter request regu lar Application Meet Sanction CD will mailed sanction certificate copy records section FAI Sport ing Code rule book Individual Trials sanction fee $100 sanction obtained sending fee letter request stating category record attempted AMA HQ Such sanction will granted current AMA members have $1 FAI stamp good attempts desired during calendar year issuance cat egory onlynon-transferable Individual tempts must witnessed current AMA Contest Director other officials required according particular categories Since indi vidual sanctions specify dates sites individual CD concerned must notify AMA HQ mail telephone prior attempt giving time site planned attempt mail used postmark must least five days prior attempt phone notice must given least 48 hours advance Claim Record Meet Individual record claim must made AMA HQ soon possible flight made weekend HQ must notified phone following Monday morning AMA HQ required notify FAI record claim 48 hours attempt record claimed must accompanied $20 record processing fee fee will refunded reason record accepted FAI Finally documented report record performance signed CD must sub mitted AMA within 30 days notice AMA HQ Whos Presently Trying written mid-November 32 outstanding individual sanctions FAI World Record attempts will expire December 31 1976 no doubt will renewed continuing efforts 1977 listing holding sanctions provides interesting picture FF Rubber Speed No 41 Issued Tom Vallee Speed needed 9184 mph RC Landplane Duration No 20 Separ ately issued Gerry Harkins Richard Weber Duration needed 14 hours 47 minu utes 15 seconds RC Landplane Distance Straight Line No 21 Separately issued Gerry Harkins Jack Hiner Distance needed 27132 miles RC Glider Duration No 24 Issued Christopher Adams Duration needed 26 hours 15 minutes 1 second RC Glider Distance Straight Line No 25 Separately issued Christopher Adams Jack Hiner McI ntyre-Hiner team Richard Schilling David Smith Larry Vincek Distance needed 325 miles RC Glider Height No 261 Separately sued Christopher Adams Jack Hiner Mclntyre-Hiner team Richard Schilling David Smith Larry Vincek Height needed 5088 feet RC Glider Speed No 33 Separately sued David Katagiri Ken Stuhr Speed needed assuming acceptance present tenta tive record 19204 mph RC Seaplane Duration No 48 Issued Bryce Petersen Duration needed 6 hours 25 minutes 51 seconds RC Seaplane Distance Straight Line No 49 Issued Bryce Petersen Distance need ed 1379 miles RC Seaplane Distance Closed Course No 52 Issued Bryce Petersen Distance need ed 15592 miles CL Speed 5cc Class No 28 Issued Glenn Lee Speed needed 18313 mph Indoor Duration Cat No 32a Issued Tom Vallee Duration needed 23 minutes 13 seconds Indoor Duration Cat II No 32b Issued Tom Vallee Duration needed 30 minutes 44 seconds Indoor Duration Cat Ill No 32c1 Sep arately issued James Richmond Tom Vallee Duration needed 34 minutes 15 se conds Indoor Duration Cat IV No 32d Sep arately issued Ray Harlan James Richmond Al Rohrbaugh Tom Vallee Duration needed 51 minutes 42 seconds Want join 72 Model Aviation Jack Hiner shows off RC Sailplane established Straight Line Distance Record 3186 miles 1975 Flight took just over two hours landing 135 meters spot picked X SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX ompetition News will present time time constructive thought-provoking ideas orI think Cyrano said can pro- riticisms AMA rules policies affect competitors issue has two sides CNtecs myself enemies God0 owill endeavor print viewpoints have submittedwithin limits availablecan save friendsX Co space uniqueness constructiveness timeliness good taste Determination appropri- tion Simplel Xateness publication of matters must necessity rest solely publisher1 Li o ghts presented author should necessarily construed ne up runways spectator0 AMA HO AMA officers publisher should note publication aareas reasonable distance 4rules-change policy-change idea does necessarily mean specific proposal has beentween addition place spectatorsw opresented Contest Board Executive Council appropriate committee such action isso plane taking off moving paral-0 responsibility author anyone else interested obtaining official actionlel towards themX X2 Designate pit area away inno-CO o0 cent Anyone starts runs engine RULES CHANGESwhats going happen clubs will againoutside area grounded receives w ENGINES formulate club rules event specifying censure entire club o plain bearing engines just some clubs Im always ready lend hand pit X XDuke Foxholding contests Goodyear racing saying Anyone anytime get bit 0 Fox Manufacturing Cono Rossis allowedwill due own stupidity my0 a- understand Control Line Contest I would like see some nationally stan- book stupidity natures capital of- ard seriously considering rule changes dard racing event would allow relative fenses Butto collect broken props in- w would disqualify new Combat Spe- beginner become competitive relatively nocent bystanderCasey Stengle said very 0 X cial Slow Combat Slow Rat Race short period time would also like well Include out X 0 events happen effect rules free modification long Reprinted Log newsletter me would disastrous have far spent period time dont see advantage Riley County Fliers Kansas order $200000 working up engine adding quick fills fuel shut-offs ball bearingW o0 Coand getting level performance engines racing events think $50000can have much fun racing event Xnow sales far have underwithout above would like OI need tales three events plus sport0 flyers help amortize investment andsee Slow Rat become kind racing a.CAUTIONADULTS AT PLAY 4hopefully few years make enoughevent oprofit support another new motorOur hobby/sport construction andW CoAn almost identical situation did happencontrolled flying miniature airplanes isa0 Xin 1966 put last mydemanding very unforgiving activity Er oCo pesos developing Fox 74 enginerors construction become evident very SAFETYquickly poor flight characteristics actual 0.which planned ultimate Pattern en4W ogine Almost simultaneously first de-John Giffordin-flight failures airplane Inadequacies Coliveries AMA announced henceforth topic safety Safetyfor safetyof piloting skill alto become evident equally0 quickly airplane plunges spiralX XPattern would limited 10cc 60 size en- safety familiesdive terminating cloud balsa fragments 0 Ogmat immediately 98 percent mar-I know well aware shredded MonoKote ket evaporated five years AMA rules governing flight safety also Anyone considers playing - 4money new Fox products like toknow reasonable persons orwith mens toys better stop reconsid-W 0 othink modeling well myselfat least reasonable can yeter toys cost upwards $20000 andx Co losersstay involved RC However aremany hours painstaking work Co X ure Cox Testor K & B my-times simply thinkflight have potential destrcutive energy0 0 self have supported American model activities example editor visited Mu- 30-06 rifle great deal foreign manufac- ford site Sunday what saw further misconception planet w 4-g o turer think unreasonable us scared him Scared him did re- models just isnt true planes 0 Co ask considerations turn are miniature airplanes smaller X X rules changes what effect will have Motors revved up ground direct versions full-sized machines Aerodynami- Co 0 oour capability continue serving modelersline spectators Additionally engines cally planes operate different flight sted tuned admiring circle ofregime other class airborne ye- g 4the innocent standing around Men womenhides must obey Laws aero- W o0 children lounging comfort parallel anddynamics awe different forX XTHEnot 10 yards away churning mills different sizes well different speeds oSLOW INat takeoff Hoo-Boyl earned living design-0 CL SLOW RATLets little simple arithmeticing developing supersonic airplanes 1 wooden 11 x 7 prop weight two indeed made tome modest contributions w oDr E W Schnitzerounces nylon weighs bit morethe State art trantonic dog-fighting 0 x SnellvilleGA2 sixty mill turning out 12000 rpmtechniques very low Reynolds Numbers X rules Slow Rat allow en-3Reasonable noof miniature airplane flight make area o0 gine 36 cu displacement our4So what Gifforddesign whole new ball-game Yet still 0club conjunction another club form-A 11-inch diameter computes 288 feethave image grown men playing with0 4 o ulated club rules event has since circumference their toys o CV become known Slow Rat purpose was B 12000 rpm breaks down 200 revo- Perhaps part problem ourselves X xto allow people become interested andlutions per secondWe call planes models call of-Co o participate racing event large C prop-tip moving 576 feet per ficial body Academy Model Aeronau- 0 ay money become competitive second 390 mph friendl tics stores sell kits miniature -g 4 relatively short period time From 0 Half 11 7 ounce airplanes call themselves model shops W 0rearticles model magazines knowone-sixteenth poundofficial publication AMA called ading x Xthat intent other clubs well ything lets go have systemModel Aviaiton popular maga oas illustrated some rulesone ofthat will deliver slightly 36 ft-lb/zine devoted RC called Radio Control propeller must 10x6sec impact energyModelerand onand on ing1 dont see big gain using ball bear- 5 So what Flat will cause fairly say its time knock offWedont oengine permitted AMA rulesi andnasty bruise Tip first will penetrate build models build miniature airplanes o Co going 10 miles per hour faster plain nearly three inches meat Thats what The AMA should called Academy X ing engine fact see number dis- Cant hpen Back 58 saw one-half Miniature Aeronautics its magazine Mm- Co o advantages plain bearing engine inch nylon prop go through side pan- ature Aviation 0 event has become sophisticated enough el Chew Control Line Combat continue call ourselves model4 person become competitive fracas using 35s contestant tipped ers will treated men toys say W o either has machinist know ground takeoff prop exploded its time separate men boys Co get engine fast enough competitive tell youthat Chevy rang like gong once What think X else send somebody reworked To go through Africa Sicily Omaha Reprinted Streamlines newsletter Co 0 0 With addition bearings Rhine Korea Viet Nam get Romeo Mich Radio Aero Club Mike much work Second think zapped fun-fly Kansas No way buddy Naylor editor 4 0 SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX X February 1977 73 4 ES Three-timio Pre SterlingWright Iiich received OOO check Left Silver President meft Hanni featured Walt So Model Curare c-sentence su orked whome mpetitiofl s worked out full new idea substantial e art World ave us ci very best ers lud NO OCR TEXT Agnur ints ina rry Nelsontuned AENTOF Curares e de-coupi bra Speed ts 500 lots weIl-deservec f big proble. get good con hold us back mo s anything m tar no va new intricate advar judge well tnt Champions 515 problem together imp itors f Judge Doc Ed & crew Dr Ra] mann Liechter Warren Hit USA Mast ut Kirsch Austria McGinnis US/ Frank Schwa SA judges Judges er a
Edition: Model Aviation - 1977/02
Page Numbers: 69, 70, 71, 72, 73, 74, 75, 76
ACADEMY OF MODEL AERONAUTICS815 FIFTEENTH STREET NWWASHINGTON DC 20005 World Record Future Maybe Check accompanying list current World Records see isnt category has special interest and/or has current record within striking range Keep mind though new record must exceed existing 2% better break current World Re cords course will tough either because high achievement present hold er because equipment measure perfor mance isnt readily hand some record categories minds new records could easily seu given bit concentrated interest luck some cases Rubber Power FF Duration record now stands 1 hour 41 minutes 32 se conds Thats bad some days wind drift thermal activity just right model stay up hours de thermalized Model could AMA Unlim ited bigger FAI model specifica tions records wont concern anyone very much closest limit apt encoun tered minimum surface area wing plus stab projected loading 395 ozs per square foot Models clocked ordinary stop watches its okay timers follow model Rubber Power FF Height present re cord 5682 feet surely beatable fact record frequently beaten accident certification rubber model Wakefield Unlimited goes out sight overhead dethermalized hot thermal trick find sup er-thermally days have height-measur ing means disposal Piston Power FF Speed break re cord presently 10777 mph certainly would require model different normal FF contest sport machinebut better perfor mance easily possible main design con siderations rules compliance 61 cu maximum engine maximum surface load ing 1638 ozs per square foot timed course length 50 meters 1 64 must flown both directions within 30 minutes average considered record purposes Main design considerations outside FAI specs would controlling turn climband having model would survive landing ready flight opposite direction Surfaces designed break-away impact should obviously considered Hand-launch ing permitted AMA Technical Director Frank Ehling thinks ROG way go approach would set surfaces airplane couldnt lift off first flight trial gradually adjust sur faces until plane barely climbs Keep close ground philosophy Obvi RC Speed Straight Line Record holder Goukoune Myakinine USSR above seems clean design except rubber hold-downs plainly visible front-end shot right first pass timed 265 mph downwind following long dive accelera tion wind said variable both force direction time gusts up around 16 mph short dive made before entering course opposite direction clocked speed 162 mph average two passes record 2137 mph WORLD RECORD Cant FAI WORLD RECORDS ously timer limit engine run would needed would good tracking takeoff gear timer-actuated variable tail surfaces Ia present FAI Power models might use ful Free Flight Seaplanes Rubber Power FF Seaplane records stand unclaimed kind performance would cop gorgeous FAI World Record Certificate same true Piston Power FF Seaplanes Duration Speed categories achievable point view capturing Dis tance Height records shouldnt too dif ficult Seaplane models have take off water dont have land water RC Glider Height ego takes great pleasure snatching record away other country current record 4988 feet own Ray Smith seems like its right plucking Launching RC Glid ers World Records line 984-ft maximum lengthwinch pulleys hand towing permitted Landing RC models including Gliders must within 500 meters takeoff release point within 500 meters pre-stated landing point Straight-Line Distance Records pilot must stay ground somewhat limiting factor altitude control must maintained binoculars other optical aids may used RC Helicopter Distance Closed Course Straight-Line Distance record 3572 miles surely 933-mile closed course figure can bettered records shown tentative clear us view date performance FAI being ques tioned matter course RC mo dels piston engine including Helicopters straight line 500 meters length RC Helicopter Speed Hubert Bitners recent October 17 speed 343 mph ing submitted FAI certification new World Record category suspect concerted effort will better figure timed course 200 meters must traversed both directions within half hour landing average speed considered record purposes Control Line Speed records 5cc 305 cu 10cc 610 cu classes already bettered comparable en gine size AMA National Records itshould recognized FAI specifications require larger model commonly used AMA competitions due FAIs maximum surface loading class 3276 ozs per sq ft surface area wing plus stab area Yet using FAI Speed competition model example has same maximum load ing limitation increased wing area has seemed slow models Monoline takeoff dollies permitted FAI CL Speed records kind fuel Further no minimum control wire di ameters pull test contend withwhich points up need conduct FAI CL Speed Record Trials isolated area completely free spectators super-strong pro tective barriers officials FAI line length minimum 52277 5cc class 65346 10cc class Timing over minimum distance kilometer respec tively 10 8 laps lengths given Longer lines may used providing kil ometer made up whole number laps Indoor Category Ill AMA Cat egory II HL Stick record exceeds 33 min utes 34 seconds FAI World Record Free Flight Landplane Classification FlA 17 Glider Duration FlA 18 Glider Distance SL FlA 19 Glider Height FiB 1 Rubber Duration FiB 2 Rubber DistanceSL FiB 3 Rubber Height Fl B 4 Rubber Speed Fl C 5 Piston Duration Fl C 6 Piston Distance SL FiC 7 Piston Height FiC 8 Piston Speed Fl F 9 MC Rubber Duration FiF 10 MC Rubber Distance SL Fl F 11 HC Rubber Height FiF 12 HC Rubber Speed FiF 13 HC Piston Duration Fl F 14 HC Piston Distance Fl F 15 MC Piston Height FiF 16 HC Piston Speed Free Flight Seaplane Classification FiB 40 Rubber Duration Fl B 41 Rubber Distance SL FiB 42 Rubber Height FiB 43 Rubber Speed FiC 44 Piston Duration FiC 45 Piston Distance SL FiC 46 Piston Height Fl C 47 Piston Speed Held By Nation M Milutinovic Yugo Z Taus Czech G Benedek Hungary V Fiodorov USSR Tchiglitsev & Tomsk USSR V Fiodorov USSR P Motekaitis USSR M Koulakovsky USSR E Boricevitch USSR GLioubouchkineUSSR Doubinetzky USSR Nazarov USSR G Pelegi Italy P Motekaitis USSR P Motekaitis USSR S Purice Romania V Titlov USSR S Purice Romania Pavlov USSR Held No Record Established No Record Established No Record Established No Record Established No Record Established M SuIcCzech M SuIcCzech No Record Established Performance 4h 58m lOs 1928 mi 7755 ft lh 41m 32s 23064 ml 5682 ft 90036 mph 6h im 2353 ml 13620 ft 10777 mph 33m 267s 171834 ft 2664 ft 8962 mph 3h 12m 5685 ml 12300 ft 7215 mph 975 ml 6430 ft Radio Control Classification F3A 20 F3A 21 F3A 31 F3A 22 F3A 23 F3B 24 Landplane Duration Landplane Distance SL Landplane Distance CC Landplane Height Landplane Speed Glider Duration F3B 25 Glider Distance SL F3B 34 Glider Distance CC F3B 26 Glider Height F3B 33 Glider Speed F3C 35 HC Piston Duration F3C 36 MC Piston Distance SL F3C 39 MC Piston Distance CC F3C 37 MC Piston Height F3C 38 MC Piston Speed F3A 48 Seaplane Duration F3A 49 Seaplane Distance SL F3A 52 Seaplane Distance CC F3A 50 Seaplane Height F3A 51 Seaplane Speed Held L Giertz R Weber R Weber M Hill Goukoune/Myakinine V Miakinine J Miner L Aldochine R Smith W Sitar H Paellman D Ziegler V Bitterer H Pallmann H Bitner W Kaiser N Bowles B Petersen M Hill Goukoune/Myakinine Nation USA USA USA USA USSR USSR USA USSR USA Austria Performance 14h 29m Sis 266 ml 4244 mi 26919 ft 2137 mph 25h 44m 8s 3186 mi 32435 mi 4988 ft 18827 mph Germany 1h45m Germany 3572 ml Germany 933 ml Germany 3471 ft USA W Ger USA USA USA USSR 343 mph 6h 18m 17s 1352 ml 15286 ml 18540 ft 18329 mph Control Line Classification F2A 27 25cc Speed F2A 28 5cc Speed F2A29 10cc Speed F2A 30 Jet Speed Held A Pereversen T McDonald A Kouznetzov L Lipinski Nation USSR USA USSR USSR Performance 1864 mph 17954 mph 196 mph 24583 mph Indoor Classification FiD 32a Cat up 26 FiD 32b Cat II 26 49 Fl D 32c Cat III 49 98 F1D32d Cat IVover98 Held T Vallee J Kalina E Ciapala R Kowalski Nation USA Czech Poland USA Performance 22m 45s 30m 7s 33m 34s 5Gm 41s Tentative MC copter SL ight Line CC ed Course 70 Model Aviation Date Est 5-1 5-60 3-31 -62 5-23-48 6-19-64 7-1-62 6-19-64 6-20-71 8-6-52 8-14-52 8-1 3-47 6-25-7 3 6-3-68 8-3-74 8-30-75 6-12-70 10-1-65 10-1 -63 9-24-63 9-20-70 Nation Performance Date Est 10-4-73 10-4-73 Date Est 7-5/6-74 8-16-7 5 5-31-76 9-6-70 9-21 -71 9-30/ 10-1-73 4-24-7 5 10-24-74 9-2-68 5 -29-7 6 7-13-74 7-1 3-74 8-1 2-73 7-31-74 10-17-7 6 4-1 5-72 3-6-76 9-14-7 5 9-3-67 9-25-71 Date Est 11-2-75 11-15-64 9-30-62 6-1 2-7 1 Date Est 8-22-7 5 8-26-70 8-19-7 3 8-14-7 6 FAI Category Ill seems hope bringing record US FAI Indoor model record rules dont limit weight size models really upper size limit thats huge present record pretty good figure maximum 98 ceiling admit its certainly tainable 5041 figure Dick Kowaiski set FAI Cat IV last August Measuring Record Performance Duration Two timekeepers may use ordinary stop watches needed record ing barograph carried model may used unaware suitable baro graphs Other seaplanes models may either hand-launched rise off ground Models rise ground water must become airborne period exceed ing 2% total flight time engine RC models must run least 98% record time RC models must land within 500 meters launch point unless Duration record set conjunction Straight-Line Distance attempt Timers may follow model use binoculars other means proving model remained airborne Distance Straight Line Up 500 kil ometers measured official maps such may obtained US Geological Survey other US agencies Above 500 kin distance computed geographical ordinates places launching land ing maps used helpful ob tain maps beforehand plan launching landing according references map Distance Closed Course base 500 meters powered RC models 100 meters RC Gliders can established di rectly measuring steel tape Officials needed course end signal ends passing another official record number course lengths completed Speed Straight Line course may laid out direct measurement steel tape triangulation perpendicular ob servation/timing points course length 50 meters FF Rubber Power models RC Gliders 100 meters FF Piston Power models 200 meters RC powered mo dels course entry must also laid out 100 meters RC powered models 25 meters RC Gliders Powered RC models must maintain altitude between 40 meters 10 meters during both course entry actual timed course RC Gliders must exceed 20 meters altitutude during course entry actual timed course references need established offi cials can certify maintenance flight altitudes Two timekeepers really two sets timekeepers must used timepieces measuring least 1/100th second difference between times reg istered two timekeepers must ex ceed 1/50th second common method watch usage electrically rig stop watch actuation sensitive push-button switches held operated timers end course other means may also used course must flown both direc tions within one-half hour FF models may land between passes RC Control Line Speed Essentially timing same AMA Speed require ment two timers Stop watches must measure least 1/10th second difference between watch readings must exceed 2/1 Oths second Right Optical tracker Hills altitude flight electrically driven photo Walt Good lower tracker operator Maynard Hill above operates transmitter 26919-ft record Bill Watson tracker operator Below Bryce Petersens Seaplane Closed Course Distance Record holder Has HP 40 Perry Pumpcarried 72 ozs fuel burned 4 ozs 15286-mile flight Above Maynard Hill preps Catbird flight Hill holds RC Altitude Record design earlier also held Dura tion Record plane weighed 74 lbs takeoff complete about 25 ozs fuel flight terminated fuel exhaustion 26919 feet airborne receiver mounted insulated box also provid ed heaterturned 15000 feet keep radio cabin above 300 throughout WORLD RECORD Cont Altitude Height types aero modeling records height above starting point likely present prob lem approved measurement Choice must among several means specified FAI Sporting Code small barograph car ried model theodolites telemeters barograph carried full-size aircraft follows model never exceeds max imum height moiel arent aware suitable commercially available small barographs carrying model March 1967 Flying Models carried article Maynard Hill build small baro graph about 6 oz weight Most the odolites telemeters situated govern ment testing ranges however cooperation use such equipment has obtained past Barographs carrying accom panying full-size airplane may rented contacts provided AMAs parent body National Aeronautic Association using barographs also necessary calibrate instruments determine height reached 26919-ft height record Maynard Hill way determined radar Naval Weapons Laboratory Airfield DahI gren VA Hill maintained visibility con trolling model means 30-power telescope Basic Model Requirements Maximum weight fuel 11023 lbs Maximum engine size 61 cu Maximum surface area 2325 sq ins Maximum surface loading fuel FF 1638 ozs per sq ft RC 2457 ozs per sq ft CL 3276 ozs per sq ft Minimum surface loading classes 395 ozs per sq ft Projected wing area projected stabil izer area added together determine sur face area loading maximum size pur poses FAI Sporting Code rule book avail able AMA HQ $250 PAl Record Sanction Procedures Sanction fees payable advance AMA HQ set lower actual costs order encourage possible try Proce dures different clubs individuals follows Club Regional Trials sanction fee $1000 good FAI record categories number records can established under single sanction sanction ef fective requested three-day period available AMA chartered clubs trying record must have current AMA license $1 FAI stamp pay fees same CD prior flight Application made current AMA Contest Director AMA HQ using letter request regu lar Application Meet Sanction CD will mailed sanction certificate copy records section FAI Sport ing Code rule book Individual Trials sanction fee $100 sanction obtained sending fee letter request stating category record attempted AMA HQ Such sanction will granted current AMA members have $1 FAI stamp good attempts desired during calendar year issuance cat egory onlynon-transferable Individual tempts must witnessed current AMA Contest Director other officials required according particular categories Since indi vidual sanctions specify dates sites individual CD concerned must notify AMA HQ mail telephone prior attempt giving time site planned attempt mail used postmark must least five days prior attempt phone notice must given least 48 hours advance Claim Record Meet Individual record claim must made AMA HQ soon possible flight made weekend HQ must notified phone following Monday morning AMA HQ required notify FAI record claim 48 hours attempt record claimed must accompanied $20 record processing fee fee will refunded reason record accepted FAI Finally documented report record performance signed CD must sub mitted AMA within 30 days notice AMA HQ Whos Presently Trying written mid-November 32 outstanding individual sanctions FAI World Record attempts will expire December 31 1976 no doubt will renewed continuing efforts 1977 listing holding sanctions provides interesting picture FF Rubber Speed No 41 Issued Tom Vallee Speed needed 9184 mph RC Landplane Duration No 20 Separ ately issued Gerry Harkins Richard Weber Duration needed 14 hours 47 minu utes 15 seconds RC Landplane Distance Straight Line No 21 Separately issued Gerry Harkins Jack Hiner Distance needed 27132 miles RC Glider Duration No 24 Issued Christopher Adams Duration needed 26 hours 15 minutes 1 second RC Glider Distance Straight Line No 25 Separately issued Christopher Adams Jack Hiner McI ntyre-Hiner team Richard Schilling David Smith Larry Vincek Distance needed 325 miles RC Glider Height No 261 Separately sued Christopher Adams Jack Hiner Mclntyre-Hiner team Richard Schilling David Smith Larry Vincek Height needed 5088 feet RC Glider Speed No 33 Separately sued David Katagiri Ken Stuhr Speed needed assuming acceptance present tenta tive record 19204 mph RC Seaplane Duration No 48 Issued Bryce Petersen Duration needed 6 hours 25 minutes 51 seconds RC Seaplane Distance Straight Line No 49 Issued Bryce Petersen Distance need ed 1379 miles RC Seaplane Distance Closed Course No 52 Issued Bryce Petersen Distance need ed 15592 miles CL Speed 5cc Class No 28 Issued Glenn Lee Speed needed 18313 mph Indoor Duration Cat No 32a Issued Tom Vallee Duration needed 23 minutes 13 seconds Indoor Duration Cat II No 32b Issued Tom Vallee Duration needed 30 minutes 44 seconds Indoor Duration Cat Ill No 32c1 Sep arately issued James Richmond Tom Vallee Duration needed 34 minutes 15 se conds Indoor Duration Cat IV No 32d Sep arately issued Ray Harlan James Richmond Al Rohrbaugh Tom Vallee Duration needed 51 minutes 42 seconds Want join 72 Model Aviation Jack Hiner shows off RC Sailplane established Straight Line Distance Record 3186 miles 1975 Flight took just over two hours landing 135 meters spot picked X SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX ompetition News will present time time constructive thought-provoking ideas orI think Cyrano said can pro- riticisms AMA rules policies affect competitors issue has two sides CNtecs myself enemies God0 owill endeavor print viewpoints have submittedwithin limits availablecan save friendsX Co space uniqueness constructiveness timeliness good taste Determination appropri- tion Simplel Xateness publication of matters must necessity rest solely publisher1 Li o ghts presented author should necessarily construed ne up runways spectator0 AMA HO AMA officers publisher should note publication aareas reasonable distance 4rules-change policy-change idea does necessarily mean specific proposal has beentween addition place spectatorsw opresented Contest Board Executive Council appropriate committee such action isso plane taking off moving paral-0 responsibility author anyone else interested obtaining official actionlel towards themX X2 Designate pit area away inno-CO o0 cent Anyone starts runs engine RULES CHANGESwhats going happen clubs will againoutside area grounded receives w ENGINES formulate club rules event specifying censure entire club o plain bearing engines just some clubs Im always ready lend hand pit X XDuke Foxholding contests Goodyear racing saying Anyone anytime get bit 0 Fox Manufacturing Cono Rossis allowedwill due own stupidity my0 a- understand Control Line Contest I would like see some nationally stan- book stupidity natures capital of- ard seriously considering rule changes dard racing event would allow relative fenses Butto collect broken props in- w would disqualify new Combat Spe- beginner become competitive relatively nocent bystanderCasey Stengle said very 0 X cial Slow Combat Slow Rat Race short period time would also like well Include out X 0 events happen effect rules free modification long Reprinted Log newsletter me would disastrous have far spent period time dont see advantage Riley County Fliers Kansas order $200000 working up engine adding quick fills fuel shut-offs ball bearingW o0 Coand getting level performance engines racing events think $50000can have much fun racing event Xnow sales far have underwithout above would like OI need tales three events plus sport0 flyers help amortize investment andsee Slow Rat become kind racing a.CAUTIONADULTS AT PLAY 4hopefully few years make enoughevent oprofit support another new motorOur hobby/sport construction andW CoAn almost identical situation did happencontrolled flying miniature airplanes isa0 Xin 1966 put last mydemanding very unforgiving activity Er oCo pesos developing Fox 74 enginerors construction become evident very SAFETYquickly poor flight characteristics actual 0.which planned ultimate Pattern en4W ogine Almost simultaneously first de-John Giffordin-flight failures airplane Inadequacies Coliveries AMA announced henceforth topic safety Safetyfor safetyof piloting skill alto become evident equally0 quickly airplane plunges spiralX XPattern would limited 10cc 60 size en- safety familiesdive terminating cloud balsa fragments 0 Ogmat immediately 98 percent mar-I know well aware shredded MonoKote ket evaporated five years AMA rules governing flight safety also Anyone considers playing - 4money new Fox products like toknow reasonable persons orwith mens toys better stop reconsid-W 0 othink modeling well myselfat least reasonable can yeter toys cost upwards $20000 andx Co losersstay involved RC However aremany hours painstaking work Co X ure Cox Testor K & B my-times simply thinkflight have potential destrcutive energy0 0 self have supported American model activities example editor visited Mu- 30-06 rifle great deal foreign manufac- ford site Sunday what saw further misconception planet w 4-g o turer think unreasonable us scared him Scared him did re- models just isnt true planes 0 Co ask considerations turn are miniature airplanes smaller X X rules changes what effect will have Motors revved up ground direct versions full-sized machines Aerodynami- Co 0 oour capability continue serving modelersline spectators Additionally engines cally planes operate different flight sted tuned admiring circle ofregime other class airborne ye- g 4the innocent standing around Men womenhides must obey Laws aero- W o0 children lounging comfort parallel anddynamics awe different forX XTHEnot 10 yards away churning mills different sizes well different speeds oSLOW INat takeoff Hoo-Boyl earned living design-0 CL SLOW RATLets little simple arithmeticing developing supersonic airplanes 1 wooden 11 x 7 prop weight two indeed made tome modest contributions w oDr E W Schnitzerounces nylon weighs bit morethe State art trantonic dog-fighting 0 x SnellvilleGA2 sixty mill turning out 12000 rpmtechniques very low Reynolds Numbers X rules Slow Rat allow en-3Reasonable noof miniature airplane flight make area o0 gine 36 cu displacement our4So what Gifforddesign whole new ball-game Yet still 0club conjunction another club form-A 11-inch diameter computes 288 feethave image grown men playing with0 4 o ulated club rules event has since circumference their toys o CV become known Slow Rat purpose was B 12000 rpm breaks down 200 revo- Perhaps part problem ourselves X xto allow people become interested andlutions per secondWe call planes models call of-Co o participate racing event large C prop-tip moving 576 feet per ficial body Academy Model Aeronau- 0 ay money become competitive second 390 mph friendl tics stores sell kits miniature -g 4 relatively short period time From 0 Half 11 7 ounce airplanes call themselves model shops W 0rearticles model magazines knowone-sixteenth poundofficial publication AMA called ading x Xthat intent other clubs well ything lets go have systemModel Aviaiton popular maga oas illustrated some rulesone ofthat will deliver slightly 36 ft-lb/zine devoted RC called Radio Control propeller must 10x6sec impact energyModelerand onand on ing1 dont see big gain using ball bear- 5 So what Flat will cause fairly say its time knock offWedont oengine permitted AMA rulesi andnasty bruise Tip first will penetrate build models build miniature airplanes o Co going 10 miles per hour faster plain nearly three inches meat Thats what The AMA should called Academy X ing engine fact see number dis- Cant hpen Back 58 saw one-half Miniature Aeronautics its magazine Mm- Co o advantages plain bearing engine inch nylon prop go through side pan- ature Aviation 0 event has become sophisticated enough el Chew Control Line Combat continue call ourselves model4 person become competitive fracas using 35s contestant tipped ers will treated men toys say W o either has machinist know ground takeoff prop exploded its time separate men boys Co get engine fast enough competitive tell youthat Chevy rang like gong once What think X else send somebody reworked To go through Africa Sicily Omaha Reprinted Streamlines newsletter Co 0 0 With addition bearings Rhine Korea Viet Nam get Romeo Mich Radio Aero Club Mike much work Second think zapped fun-fly Kansas No way buddy Naylor editor 4 0 SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX X February 1977 73 4 ES Three-timio Pre SterlingWright Iiich received OOO check Left Silver President meft Hanni featured Walt So Model Curare c-sentence su orked whome mpetitiofl s worked out full new idea substantial e art World ave us ci very best ers lud NO OCR TEXT Agnur ints ina rry Nelsontuned AENTOF Curares e de-coupi bra Speed ts 500 lots weIl-deservec f big proble. get good con hold us back mo s anything m tar no va new intricate advar judge well tnt Champions 515 problem together imp itors f Judge Doc Ed & crew Dr Ra] mann Liechter Warren Hit USA Mast ut Kirsch Austria McGinnis US/ Frank Schwa SA judges Judges er a
Edition: Model Aviation - 1977/02
Page Numbers: 69, 70, 71, 72, 73, 74, 75, 76
ACADEMY OF MODEL AERONAUTICS815 FIFTEENTH STREET NWWASHINGTON DC 20005 World Record Future Maybe Check accompanying list current World Records see isnt category has special interest and/or has current record within striking range Keep mind though new record must exceed existing 2% better break current World Re cords course will tough either because high achievement present hold er because equipment measure perfor mance isnt readily hand some record categories minds new records could easily seu given bit concentrated interest luck some cases Rubber Power FF Duration record now stands 1 hour 41 minutes 32 se conds Thats bad some days wind drift thermal activity just right model stay up hours de thermalized Model could AMA Unlim ited bigger FAI model specifica tions records wont concern anyone very much closest limit apt encoun tered minimum surface area wing plus stab projected loading 395 ozs per square foot Models clocked ordinary stop watches its okay timers follow model Rubber Power FF Height present re cord 5682 feet surely beatable fact record frequently beaten accident certification rubber model Wakefield Unlimited goes out sight overhead dethermalized hot thermal trick find sup er-thermally days have height-measur ing means disposal Piston Power FF Speed break re cord presently 10777 mph certainly would require model different normal FF contest sport machinebut better perfor mance easily possible main design con siderations rules compliance 61 cu maximum engine maximum surface load ing 1638 ozs per square foot timed course length 50 meters 1 64 must flown both directions within 30 minutes average considered record purposes Main design considerations outside FAI specs would controlling turn climband having model would survive landing ready flight opposite direction Surfaces designed break-away impact should obviously considered Hand-launch ing permitted AMA Technical Director Frank Ehling thinks ROG way go approach would set surfaces airplane couldnt lift off first flight trial gradually adjust sur faces until plane barely climbs Keep close ground philosophy Obvi RC Speed Straight Line Record holder Goukoune Myakinine USSR above seems clean design except rubber hold-downs plainly visible front-end shot right first pass timed 265 mph downwind following long dive accelera tion wind said variable both force direction time gusts up around 16 mph short dive made before entering course opposite direction clocked speed 162 mph average two passes record 2137 mph WORLD RECORD Cant FAI WORLD RECORDS ously timer limit engine run would needed would good tracking takeoff gear timer-actuated variable tail surfaces Ia present FAI Power models might use ful Free Flight Seaplanes Rubber Power FF Seaplane records stand unclaimed kind performance would cop gorgeous FAI World Record Certificate same true Piston Power FF Seaplanes Duration Speed categories achievable point view capturing Dis tance Height records shouldnt too dif ficult Seaplane models have take off water dont have land water RC Glider Height ego takes great pleasure snatching record away other country current record 4988 feet own Ray Smith seems like its right plucking Launching RC Glid ers World Records line 984-ft maximum lengthwinch pulleys hand towing permitted Landing RC models including Gliders must within 500 meters takeoff release point within 500 meters pre-stated landing point Straight-Line Distance Records pilot must stay ground somewhat limiting factor altitude control must maintained binoculars other optical aids may used RC Helicopter Distance Closed Course Straight-Line Distance record 3572 miles surely 933-mile closed course figure can bettered records shown tentative clear us view date performance FAI being ques tioned matter course RC mo dels piston engine including Helicopters straight line 500 meters length RC Helicopter Speed Hubert Bitners recent October 17 speed 343 mph ing submitted FAI certification new World Record category suspect concerted effort will better figure timed course 200 meters must traversed both directions within half hour landing average speed considered record purposes Control Line Speed records 5cc 305 cu 10cc 610 cu classes already bettered comparable en gine size AMA National Records itshould recognized FAI specifications require larger model commonly used AMA competitions due FAIs maximum surface loading class 3276 ozs per sq ft surface area wing plus stab area Yet using FAI Speed competition model example has same maximum load ing limitation increased wing area has seemed slow models Monoline takeoff dollies permitted FAI CL Speed records kind fuel Further no minimum control wire di ameters pull test contend withwhich points up need conduct FAI CL Speed Record Trials isolated area completely free spectators super-strong pro tective barriers officials FAI line length minimum 52277 5cc class 65346 10cc class Timing over minimum distance kilometer respec tively 10 8 laps lengths given Longer lines may used providing kil ometer made up whole number laps Indoor Category Ill AMA Cat egory II HL Stick record exceeds 33 min utes 34 seconds FAI World Record Free Flight Landplane Classification FlA 17 Glider Duration FlA 18 Glider Distance SL FlA 19 Glider Height FiB 1 Rubber Duration FiB 2 Rubber DistanceSL FiB 3 Rubber Height Fl B 4 Rubber Speed Fl C 5 Piston Duration Fl C 6 Piston Distance SL FiC 7 Piston Height FiC 8 Piston Speed Fl F 9 MC Rubber Duration FiF 10 MC Rubber Distance SL Fl F 11 HC Rubber Height FiF 12 HC Rubber Speed FiF 13 HC Piston Duration Fl F 14 HC Piston Distance Fl F 15 MC Piston Height FiF 16 HC Piston Speed Free Flight Seaplane Classification FiB 40 Rubber Duration Fl B 41 Rubber Distance SL FiB 42 Rubber Height FiB 43 Rubber Speed FiC 44 Piston Duration FiC 45 Piston Distance SL FiC 46 Piston Height Fl C 47 Piston Speed Held By Nation M Milutinovic Yugo Z Taus Czech G Benedek Hungary V Fiodorov USSR Tchiglitsev & Tomsk USSR V Fiodorov USSR P Motekaitis USSR M Koulakovsky USSR E Boricevitch USSR GLioubouchkineUSSR Doubinetzky USSR Nazarov USSR G Pelegi Italy P Motekaitis USSR P Motekaitis USSR S Purice Romania V Titlov USSR S Purice Romania Pavlov USSR Held No Record Established No Record Established No Record Established No Record Established No Record Established M SuIcCzech M SuIcCzech No Record Established Performance 4h 58m lOs 1928 mi 7755 ft lh 41m 32s 23064 ml 5682 ft 90036 mph 6h im 2353 ml 13620 ft 10777 mph 33m 267s 171834 ft 2664 ft 8962 mph 3h 12m 5685 ml 12300 ft 7215 mph 975 ml 6430 ft Radio Control Classification F3A 20 F3A 21 F3A 31 F3A 22 F3A 23 F3B 24 Landplane Duration Landplane Distance SL Landplane Distance CC Landplane Height Landplane Speed Glider Duration F3B 25 Glider Distance SL F3B 34 Glider Distance CC F3B 26 Glider Height F3B 33 Glider Speed F3C 35 HC Piston Duration F3C 36 MC Piston Distance SL F3C 39 MC Piston Distance CC F3C 37 MC Piston Height F3C 38 MC Piston Speed F3A 48 Seaplane Duration F3A 49 Seaplane Distance SL F3A 52 Seaplane Distance CC F3A 50 Seaplane Height F3A 51 Seaplane Speed Held L Giertz R Weber R Weber M Hill Goukoune/Myakinine V Miakinine J Miner L Aldochine R Smith W Sitar H Paellman D Ziegler V Bitterer H Pallmann H Bitner W Kaiser N Bowles B Petersen M Hill Goukoune/Myakinine Nation USA USA USA USA USSR USSR USA USSR USA Austria Performance 14h 29m Sis 266 ml 4244 mi 26919 ft 2137 mph 25h 44m 8s 3186 mi 32435 mi 4988 ft 18827 mph Germany 1h45m Germany 3572 ml Germany 933 ml Germany 3471 ft USA W Ger USA USA USA USSR 343 mph 6h 18m 17s 1352 ml 15286 ml 18540 ft 18329 mph Control Line Classification F2A 27 25cc Speed F2A 28 5cc Speed F2A29 10cc Speed F2A 30 Jet Speed Held A Pereversen T McDonald A Kouznetzov L Lipinski Nation USSR USA USSR USSR Performance 1864 mph 17954 mph 196 mph 24583 mph Indoor Classification FiD 32a Cat up 26 FiD 32b Cat II 26 49 Fl D 32c Cat III 49 98 F1D32d Cat IVover98 Held T Vallee J Kalina E Ciapala R Kowalski Nation USA Czech Poland USA Performance 22m 45s 30m 7s 33m 34s 5Gm 41s Tentative MC copter SL ight Line CC ed Course 70 Model Aviation Date Est 5-1 5-60 3-31 -62 5-23-48 6-19-64 7-1-62 6-19-64 6-20-71 8-6-52 8-14-52 8-1 3-47 6-25-7 3 6-3-68 8-3-74 8-30-75 6-12-70 10-1-65 10-1 -63 9-24-63 9-20-70 Nation Performance Date Est 10-4-73 10-4-73 Date Est 7-5/6-74 8-16-7 5 5-31-76 9-6-70 9-21 -71 9-30/ 10-1-73 4-24-7 5 10-24-74 9-2-68 5 -29-7 6 7-13-74 7-1 3-74 8-1 2-73 7-31-74 10-17-7 6 4-1 5-72 3-6-76 9-14-7 5 9-3-67 9-25-71 Date Est 11-2-75 11-15-64 9-30-62 6-1 2-7 1 Date Est 8-22-7 5 8-26-70 8-19-7 3 8-14-7 6 FAI Category Ill seems hope bringing record US FAI Indoor model record rules dont limit weight size models really upper size limit thats huge present record pretty good figure maximum 98 ceiling admit its certainly tainable 5041 figure Dick Kowaiski set FAI Cat IV last August Measuring Record Performance Duration Two timekeepers may use ordinary stop watches needed record ing barograph carried model may used unaware suitable baro graphs Other seaplanes models may either hand-launched rise off ground Models rise ground water must become airborne period exceed ing 2% total flight time engine RC models must run least 98% record time RC models must land within 500 meters launch point unless Duration record set conjunction Straight-Line Distance attempt Timers may follow model use binoculars other means proving model remained airborne Distance Straight Line Up 500 kil ometers measured official maps such may obtained US Geological Survey other US agencies Above 500 kin distance computed geographical ordinates places launching land ing maps used helpful ob tain maps beforehand plan launching landing according references map Distance Closed Course base 500 meters powered RC models 100 meters RC Gliders can established di rectly measuring steel tape Officials needed course end signal ends passing another official record number course lengths completed Speed Straight Line course may laid out direct measurement steel tape triangulation perpendicular ob servation/timing points course length 50 meters FF Rubber Power models RC Gliders 100 meters FF Piston Power models 200 meters RC powered mo dels course entry must also laid out 100 meters RC powered models 25 meters RC Gliders Powered RC models must maintain altitude between 40 meters 10 meters during both course entry actual timed course RC Gliders must exceed 20 meters altitutude during course entry actual timed course references need established offi cials can certify maintenance flight altitudes Two timekeepers really two sets timekeepers must used timepieces measuring least 1/100th second difference between times reg istered two timekeepers must ex ceed 1/50th second common method watch usage electrically rig stop watch actuation sensitive push-button switches held operated timers end course other means may also used course must flown both direc tions within one-half hour FF models may land between passes RC Control Line Speed Essentially timing same AMA Speed require ment two timers Stop watches must measure least 1/10th second difference between watch readings must exceed 2/1 Oths second Right Optical tracker Hills altitude flight electrically driven photo Walt Good lower tracker operator Maynard Hill above operates transmitter 26919-ft record Bill Watson tracker operator Below Bryce Petersens Seaplane Closed Course Distance Record holder Has HP 40 Perry Pumpcarried 72 ozs fuel burned 4 ozs 15286-mile flight Above Maynard Hill preps Catbird flight Hill holds RC Altitude Record design earlier also held Dura tion Record plane weighed 74 lbs takeoff complete about 25 ozs fuel flight terminated fuel exhaustion 26919 feet airborne receiver mounted insulated box also provid ed heaterturned 15000 feet keep radio cabin above 300 throughout WORLD RECORD Cont Altitude Height types aero modeling records height above starting point likely present prob lem approved measurement Choice must among several means specified FAI Sporting Code small barograph car ried model theodolites telemeters barograph carried full-size aircraft follows model never exceeds max imum height moiel arent aware suitable commercially available small barographs carrying model March 1967 Flying Models carried article Maynard Hill build small baro graph about 6 oz weight Most the odolites telemeters situated govern ment testing ranges however cooperation use such equipment has obtained past Barographs carrying accom panying full-size airplane may rented contacts provided AMAs parent body National Aeronautic Association using barographs also necessary calibrate instruments determine height reached 26919-ft height record Maynard Hill way determined radar Naval Weapons Laboratory Airfield DahI gren VA Hill maintained visibility con trolling model means 30-power telescope Basic Model Requirements Maximum weight fuel 11023 lbs Maximum engine size 61 cu Maximum surface area 2325 sq ins Maximum surface loading fuel FF 1638 ozs per sq ft RC 2457 ozs per sq ft CL 3276 ozs per sq ft Minimum surface loading classes 395 ozs per sq ft Projected wing area projected stabil izer area added together determine sur face area loading maximum size pur poses FAI Sporting Code rule book avail able AMA HQ $250 PAl Record Sanction Procedures Sanction fees payable advance AMA HQ set lower actual costs order encourage possible try Proce dures different clubs individuals follows Club Regional Trials sanction fee $1000 good FAI record categories number records can established under single sanction sanction ef fective requested three-day period available AMA chartered clubs trying record must have current AMA license $1 FAI stamp pay fees same CD prior flight Application made current AMA Contest Director AMA HQ using letter request regu lar Application Meet Sanction CD will mailed sanction certificate copy records section FAI Sport ing Code rule book Individual Trials sanction fee $100 sanction obtained sending fee letter request stating category record attempted AMA HQ Such sanction will granted current AMA members have $1 FAI stamp good attempts desired during calendar year issuance cat egory onlynon-transferable Individual tempts must witnessed current AMA Contest Director other officials required according particular categories Since indi vidual sanctions specify dates sites individual CD concerned must notify AMA HQ mail telephone prior attempt giving time site planned attempt mail used postmark must least five days prior attempt phone notice must given least 48 hours advance Claim Record Meet Individual record claim must made AMA HQ soon possible flight made weekend HQ must notified phone following Monday morning AMA HQ required notify FAI record claim 48 hours attempt record claimed must accompanied $20 record processing fee fee will refunded reason record accepted FAI Finally documented report record performance signed CD must sub mitted AMA within 30 days notice AMA HQ Whos Presently Trying written mid-November 32 outstanding individual sanctions FAI World Record attempts will expire December 31 1976 no doubt will renewed continuing efforts 1977 listing holding sanctions provides interesting picture FF Rubber Speed No 41 Issued Tom Vallee Speed needed 9184 mph RC Landplane Duration No 20 Separ ately issued Gerry Harkins Richard Weber Duration needed 14 hours 47 minu utes 15 seconds RC Landplane Distance Straight Line No 21 Separately issued Gerry Harkins Jack Hiner Distance needed 27132 miles RC Glider Duration No 24 Issued Christopher Adams Duration needed 26 hours 15 minutes 1 second RC Glider Distance Straight Line No 25 Separately issued Christopher Adams Jack Hiner McI ntyre-Hiner team Richard Schilling David Smith Larry Vincek Distance needed 325 miles RC Glider Height No 261 Separately sued Christopher Adams Jack Hiner Mclntyre-Hiner team Richard Schilling David Smith Larry Vincek Height needed 5088 feet RC Glider Speed No 33 Separately sued David Katagiri Ken Stuhr Speed needed assuming acceptance present tenta tive record 19204 mph RC Seaplane Duration No 48 Issued Bryce Petersen Duration needed 6 hours 25 minutes 51 seconds RC Seaplane Distance Straight Line No 49 Issued Bryce Petersen Distance need ed 1379 miles RC Seaplane Distance Closed Course No 52 Issued Bryce Petersen Distance need ed 15592 miles CL Speed 5cc Class No 28 Issued Glenn Lee Speed needed 18313 mph Indoor Duration Cat No 32a Issued Tom Vallee Duration needed 23 minutes 13 seconds Indoor Duration Cat II No 32b Issued Tom Vallee Duration needed 30 minutes 44 seconds Indoor Duration Cat Ill No 32c1 Sep arately issued James Richmond Tom Vallee Duration needed 34 minutes 15 se conds Indoor Duration Cat IV No 32d Sep arately issued Ray Harlan James Richmond Al Rohrbaugh Tom Vallee Duration needed 51 minutes 42 seconds Want join 72 Model Aviation Jack Hiner shows off RC Sailplane established Straight Line Distance Record 3186 miles 1975 Flight took just over two hours landing 135 meters spot picked X SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX ompetition News will present time time constructive thought-provoking ideas orI think Cyrano said can pro- riticisms AMA rules policies affect competitors issue has two sides CNtecs myself enemies God0 owill endeavor print viewpoints have submittedwithin limits availablecan save friendsX Co space uniqueness constructiveness timeliness good taste Determination appropri- tion Simplel Xateness publication of matters must necessity rest solely publisher1 Li o ghts presented author should necessarily construed ne up runways spectator0 AMA HO AMA officers publisher should note publication aareas reasonable distance 4rules-change policy-change idea does necessarily mean specific proposal has beentween addition place spectatorsw opresented Contest Board Executive Council appropriate committee such action isso plane taking off moving paral-0 responsibility author anyone else interested obtaining official actionlel towards themX X2 Designate pit area away inno-CO o0 cent Anyone starts runs engine RULES CHANGESwhats going happen clubs will againoutside area grounded receives w ENGINES formulate club rules event specifying censure entire club o plain bearing engines just some clubs Im always ready lend hand pit X XDuke Foxholding contests Goodyear racing saying Anyone anytime get bit 0 Fox Manufacturing Cono Rossis allowedwill due own stupidity my0 a- understand Control Line Contest I would like see some nationally stan- book stupidity natures capital of- ard seriously considering rule changes dard racing event would allow relative fenses Butto collect broken props in- w would disqualify new Combat Spe- beginner become competitive relatively nocent bystanderCasey Stengle said very 0 X cial Slow Combat Slow Rat Race short period time would also like well Include out X 0 events happen effect rules free modification long Reprinted Log newsletter me would disastrous have far spent period time dont see advantage Riley County Fliers Kansas order $200000 working up engine adding quick fills fuel shut-offs ball bearingW o0 Coand getting level performance engines racing events think $50000can have much fun racing event Xnow sales far have underwithout above would like OI need tales three events plus sport0 flyers help amortize investment andsee Slow Rat become kind racing a.CAUTIONADULTS AT PLAY 4hopefully few years make enoughevent oprofit support another new motorOur hobby/sport construction andW CoAn almost identical situation did happencontrolled flying miniature airplanes isa0 Xin 1966 put last mydemanding very unforgiving activity Er oCo pesos developing Fox 74 enginerors construction become evident very SAFETYquickly poor flight characteristics actual 0.which planned ultimate Pattern en4W ogine Almost simultaneously first de-John Giffordin-flight failures airplane Inadequacies Coliveries AMA announced henceforth topic safety Safetyfor safetyof piloting skill alto become evident equally0 quickly airplane plunges spiralX XPattern would limited 10cc 60 size en- safety familiesdive terminating cloud balsa fragments 0 Ogmat immediately 98 percent mar-I know well aware shredded MonoKote ket evaporated five years AMA rules governing flight safety also Anyone considers playing - 4money new Fox products like toknow reasonable persons orwith mens toys better stop reconsid-W 0 othink modeling well myselfat least reasonable can yeter toys cost upwards $20000 andx Co losersstay involved RC However aremany hours painstaking work Co X ure Cox Testor K & B my-times simply thinkflight have potential destrcutive energy0 0 self have supported American model activities example editor visited Mu- 30-06 rifle great deal foreign manufac- ford site Sunday what saw further misconception planet w 4-g o turer think unreasonable us scared him Scared him did re- models just isnt true planes 0 Co ask considerations turn are miniature airplanes smaller X X rules changes what effect will have Motors revved up ground direct versions full-sized machines Aerodynami- Co 0 oour capability continue serving modelersline spectators Additionally engines cally planes operate different flight sted tuned admiring circle ofregime other class airborne ye- g 4the innocent standing around Men womenhides must obey Laws aero- W o0 children lounging comfort parallel anddynamics awe different forX XTHEnot 10 yards away churning mills different sizes well different speeds oSLOW INat takeoff Hoo-Boyl earned living design-0 CL SLOW RATLets little simple arithmeticing developing supersonic airplanes 1 wooden 11 x 7 prop weight two indeed made tome modest contributions w oDr E W Schnitzerounces nylon weighs bit morethe State art trantonic dog-fighting 0 x SnellvilleGA2 sixty mill turning out 12000 rpmtechniques very low Reynolds Numbers X rules Slow Rat allow en-3Reasonable noof miniature airplane flight make area o0 gine 36 cu displacement our4So what Gifforddesign whole new ball-game Yet still 0club conjunction another club form-A 11-inch diameter computes 288 feethave image grown men playing with0 4 o ulated club rules event has since circumference their toys o CV become known Slow Rat purpose was B 12000 rpm breaks down 200 revo- Perhaps part problem ourselves X xto allow people become interested andlutions per secondWe call planes models call of-Co o participate racing event large C prop-tip moving 576 feet per ficial body Academy Model Aeronau- 0 ay money become competitive second 390 mph friendl tics stores sell kits miniature -g 4 relatively short period time From 0 Half 11 7 ounce airplanes call themselves model shops W 0rearticles model magazines knowone-sixteenth poundofficial publication AMA called ading x Xthat intent other clubs well ything lets go have systemModel Aviaiton popular maga oas illustrated some rulesone ofthat will deliver slightly 36 ft-lb/zine devoted RC called Radio Control propeller must 10x6sec impact energyModelerand onand on ing1 dont see big gain using ball bear- 5 So what Flat will cause fairly say its time knock offWedont oengine permitted AMA rulesi andnasty bruise Tip first will penetrate build models build miniature airplanes o Co going 10 miles per hour faster plain nearly three inches meat Thats what The AMA should called Academy X ing engine fact see number dis- Cant hpen Back 58 saw one-half Miniature Aeronautics its magazine Mm- Co o advantages plain bearing engine inch nylon prop go through side pan- ature Aviation 0 event has become sophisticated enough el Chew Control Line Combat continue call ourselves model4 person become competitive fracas using 35s contestant tipped ers will treated men toys say W o either has machinist know ground takeoff prop exploded its time separate men boys Co get engine fast enough competitive tell youthat Chevy rang like gong once What think X else send somebody reworked To go through Africa Sicily Omaha Reprinted Streamlines newsletter Co 0 0 With addition bearings Rhine Korea Viet Nam get Romeo Mich Radio Aero Club Mike much work Second think zapped fun-fly Kansas No way buddy Naylor editor 4 0 SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX X February 1977 73 4 ES Three-timio Pre SterlingWright Iiich received OOO check Left Silver President meft Hanni featured Walt So Model Curare c-sentence su orked whome mpetitiofl s worked out full new idea substantial e art World ave us ci very best ers lud NO OCR TEXT Agnur ints ina rry Nelsontuned AENTOF Curares e de-coupi bra Speed ts 500 lots weIl-deservec f big proble. get good con hold us back mo s anything m tar no va new intricate advar judge well tnt Champions 515 problem together imp itors f Judge Doc Ed & crew Dr Ra] mann Liechter Warren Hit USA Mast ut Kirsch Austria McGinnis US/ Frank Schwa SA judges Judges er a
Edition: Model Aviation - 1977/02
Page Numbers: 69, 70, 71, 72, 73, 74, 75, 76
ACADEMY OF MODEL AERONAUTICS815 FIFTEENTH STREET NWWASHINGTON DC 20005 World Record Future Maybe Check accompanying list current World Records see isnt category has special interest and/or has current record within striking range Keep mind though new record must exceed existing 2% better break current World Re cords course will tough either because high achievement present hold er because equipment measure perfor mance isnt readily hand some record categories minds new records could easily seu given bit concentrated interest luck some cases Rubber Power FF Duration record now stands 1 hour 41 minutes 32 se conds Thats bad some days wind drift thermal activity just right model stay up hours de thermalized Model could AMA Unlim ited bigger FAI model specifica tions records wont concern anyone very much closest limit apt encoun tered minimum surface area wing plus stab projected loading 395 ozs per square foot Models clocked ordinary stop watches its okay timers follow model Rubber Power FF Height present re cord 5682 feet surely beatable fact record frequently beaten accident certification rubber model Wakefield Unlimited goes out sight overhead dethermalized hot thermal trick find sup er-thermally days have height-measur ing means disposal Piston Power FF Speed break re cord presently 10777 mph certainly would require model different normal FF contest sport machinebut better perfor mance easily possible main design con siderations rules compliance 61 cu maximum engine maximum surface load ing 1638 ozs per square foot timed course length 50 meters 1 64 must flown both directions within 30 minutes average considered record purposes Main design considerations outside FAI specs would controlling turn climband having model would survive landing ready flight opposite direction Surfaces designed break-away impact should obviously considered Hand-launch ing permitted AMA Technical Director Frank Ehling thinks ROG way go approach would set surfaces airplane couldnt lift off first flight trial gradually adjust sur faces until plane barely climbs Keep close ground philosophy Obvi RC Speed Straight Line Record holder Goukoune Myakinine USSR above seems clean design except rubber hold-downs plainly visible front-end shot right first pass timed 265 mph downwind following long dive accelera tion wind said variable both force direction time gusts up around 16 mph short dive made before entering course opposite direction clocked speed 162 mph average two passes record 2137 mph WORLD RECORD Cant FAI WORLD RECORDS ously timer limit engine run would needed would good tracking takeoff gear timer-actuated variable tail surfaces Ia present FAI Power models might use ful Free Flight Seaplanes Rubber Power FF Seaplane records stand unclaimed kind performance would cop gorgeous FAI World Record Certificate same true Piston Power FF Seaplanes Duration Speed categories achievable point view capturing Dis tance Height records shouldnt too dif ficult Seaplane models have take off water dont have land water RC Glider Height ego takes great pleasure snatching record away other country current record 4988 feet own Ray Smith seems like its right plucking Launching RC Glid ers World Records line 984-ft maximum lengthwinch pulleys hand towing permitted Landing RC models including Gliders must within 500 meters takeoff release point within 500 meters pre-stated landing point Straight-Line Distance Records pilot must stay ground somewhat limiting factor altitude control must maintained binoculars other optical aids may used RC Helicopter Distance Closed Course Straight-Line Distance record 3572 miles surely 933-mile closed course figure can bettered records shown tentative clear us view date performance FAI being ques tioned matter course RC mo dels piston engine including Helicopters straight line 500 meters length RC Helicopter Speed Hubert Bitners recent October 17 speed 343 mph ing submitted FAI certification new World Record category suspect concerted effort will better figure timed course 200 meters must traversed both directions within half hour landing average speed considered record purposes Control Line Speed records 5cc 305 cu 10cc 610 cu classes already bettered comparable en gine size AMA National Records itshould recognized FAI specifications require larger model commonly used AMA competitions due FAIs maximum surface loading class 3276 ozs per sq ft surface area wing plus stab area Yet using FAI Speed competition model example has same maximum load ing limitation increased wing area has seemed slow models Monoline takeoff dollies permitted FAI CL Speed records kind fuel Further no minimum control wire di ameters pull test contend withwhich points up need conduct FAI CL Speed Record Trials isolated area completely free spectators super-strong pro tective barriers officials FAI line length minimum 52277 5cc class 65346 10cc class Timing over minimum distance kilometer respec tively 10 8 laps lengths given Longer lines may used providing kil ometer made up whole number laps Indoor Category Ill AMA Cat egory II HL Stick record exceeds 33 min utes 34 seconds FAI World Record Free Flight Landplane Classification FlA 17 Glider Duration FlA 18 Glider Distance SL FlA 19 Glider Height FiB 1 Rubber Duration FiB 2 Rubber DistanceSL FiB 3 Rubber Height Fl B 4 Rubber Speed Fl C 5 Piston Duration Fl C 6 Piston Distance SL FiC 7 Piston Height FiC 8 Piston Speed Fl F 9 MC Rubber Duration FiF 10 MC Rubber Distance SL Fl F 11 HC Rubber Height FiF 12 HC Rubber Speed FiF 13 HC Piston Duration Fl F 14 HC Piston Distance Fl F 15 MC Piston Height FiF 16 HC Piston Speed Free Flight Seaplane Classification FiB 40 Rubber Duration Fl B 41 Rubber Distance SL FiB 42 Rubber Height FiB 43 Rubber Speed FiC 44 Piston Duration FiC 45 Piston Distance SL FiC 46 Piston Height Fl C 47 Piston Speed Held By Nation M Milutinovic Yugo Z Taus Czech G Benedek Hungary V Fiodorov USSR Tchiglitsev & Tomsk USSR V Fiodorov USSR P Motekaitis USSR M Koulakovsky USSR E Boricevitch USSR GLioubouchkineUSSR Doubinetzky USSR Nazarov USSR G Pelegi Italy P Motekaitis USSR P Motekaitis USSR S Purice Romania V Titlov USSR S Purice Romania Pavlov USSR Held No Record Established No Record Established No Record Established No Record Established No Record Established M SuIcCzech M SuIcCzech No Record Established Performance 4h 58m lOs 1928 mi 7755 ft lh 41m 32s 23064 ml 5682 ft 90036 mph 6h im 2353 ml 13620 ft 10777 mph 33m 267s 171834 ft 2664 ft 8962 mph 3h 12m 5685 ml 12300 ft 7215 mph 975 ml 6430 ft Radio Control Classification F3A 20 F3A 21 F3A 31 F3A 22 F3A 23 F3B 24 Landplane Duration Landplane Distance SL Landplane Distance CC Landplane Height Landplane Speed Glider Duration F3B 25 Glider Distance SL F3B 34 Glider Distance CC F3B 26 Glider Height F3B 33 Glider Speed F3C 35 HC Piston Duration F3C 36 MC Piston Distance SL F3C 39 MC Piston Distance CC F3C 37 MC Piston Height F3C 38 MC Piston Speed F3A 48 Seaplane Duration F3A 49 Seaplane Distance SL F3A 52 Seaplane Distance CC F3A 50 Seaplane Height F3A 51 Seaplane Speed Held L Giertz R Weber R Weber M Hill Goukoune/Myakinine V Miakinine J Miner L Aldochine R Smith W Sitar H Paellman D Ziegler V Bitterer H Pallmann H Bitner W Kaiser N Bowles B Petersen M Hill Goukoune/Myakinine Nation USA USA USA USA USSR USSR USA USSR USA Austria Performance 14h 29m Sis 266 ml 4244 mi 26919 ft 2137 mph 25h 44m 8s 3186 mi 32435 mi 4988 ft 18827 mph Germany 1h45m Germany 3572 ml Germany 933 ml Germany 3471 ft USA W Ger USA USA USA USSR 343 mph 6h 18m 17s 1352 ml 15286 ml 18540 ft 18329 mph Control Line Classification F2A 27 25cc Speed F2A 28 5cc Speed F2A29 10cc Speed F2A 30 Jet Speed Held A Pereversen T McDonald A Kouznetzov L Lipinski Nation USSR USA USSR USSR Performance 1864 mph 17954 mph 196 mph 24583 mph Indoor Classification FiD 32a Cat up 26 FiD 32b Cat II 26 49 Fl D 32c Cat III 49 98 F1D32d Cat IVover98 Held T Vallee J Kalina E Ciapala R Kowalski Nation USA Czech Poland USA Performance 22m 45s 30m 7s 33m 34s 5Gm 41s Tentative MC copter SL ight Line CC ed Course 70 Model Aviation Date Est 5-1 5-60 3-31 -62 5-23-48 6-19-64 7-1-62 6-19-64 6-20-71 8-6-52 8-14-52 8-1 3-47 6-25-7 3 6-3-68 8-3-74 8-30-75 6-12-70 10-1-65 10-1 -63 9-24-63 9-20-70 Nation Performance Date Est 10-4-73 10-4-73 Date Est 7-5/6-74 8-16-7 5 5-31-76 9-6-70 9-21 -71 9-30/ 10-1-73 4-24-7 5 10-24-74 9-2-68 5 -29-7 6 7-13-74 7-1 3-74 8-1 2-73 7-31-74 10-17-7 6 4-1 5-72 3-6-76 9-14-7 5 9-3-67 9-25-71 Date Est 11-2-75 11-15-64 9-30-62 6-1 2-7 1 Date Est 8-22-7 5 8-26-70 8-19-7 3 8-14-7 6 FAI Category Ill seems hope bringing record US FAI Indoor model record rules dont limit weight size models really upper size limit thats huge present record pretty good figure maximum 98 ceiling admit its certainly tainable 5041 figure Dick Kowaiski set FAI Cat IV last August Measuring Record Performance Duration Two timekeepers may use ordinary stop watches needed record ing barograph carried model may used unaware suitable baro graphs Other seaplanes models may either hand-launched rise off ground Models rise ground water must become airborne period exceed ing 2% total flight time engine RC models must run least 98% record time RC models must land within 500 meters launch point unless Duration record set conjunction Straight-Line Distance attempt Timers may follow model use binoculars other means proving model remained airborne Distance Straight Line Up 500 kil ometers measured official maps such may obtained US Geological Survey other US agencies Above 500 kin distance computed geographical ordinates places launching land ing maps used helpful ob tain maps beforehand plan launching landing according references map Distance Closed Course base 500 meters powered RC models 100 meters RC Gliders can established di rectly measuring steel tape Officials needed course end signal ends passing another official record number course lengths completed Speed Straight Line course may laid out direct measurement steel tape triangulation perpendicular ob servation/timing points course length 50 meters FF Rubber Power models RC Gliders 100 meters FF Piston Power models 200 meters RC powered mo dels course entry must also laid out 100 meters RC powered models 25 meters RC Gliders Powered RC models must maintain altitude between 40 meters 10 meters during both course entry actual timed course RC Gliders must exceed 20 meters altitutude during course entry actual timed course references need established offi cials can certify maintenance flight altitudes Two timekeepers really two sets timekeepers must used timepieces measuring least 1/100th second difference between times reg istered two timekeepers must ex ceed 1/50th second common method watch usage electrically rig stop watch actuation sensitive push-button switches held operated timers end course other means may also used course must flown both direc tions within one-half hour FF models may land between passes RC Control Line Speed Essentially timing same AMA Speed require ment two timers Stop watches must measure least 1/10th second difference between watch readings must exceed 2/1 Oths second Right Optical tracker Hills altitude flight electrically driven photo Walt Good lower tracker operator Maynard Hill above operates transmitter 26919-ft record Bill Watson tracker operator Below Bryce Petersens Seaplane Closed Course Distance Record holder Has HP 40 Perry Pumpcarried 72 ozs fuel burned 4 ozs 15286-mile flight Above Maynard Hill preps Catbird flight Hill holds RC Altitude Record design earlier also held Dura tion Record plane weighed 74 lbs takeoff complete about 25 ozs fuel flight terminated fuel exhaustion 26919 feet airborne receiver mounted insulated box also provid ed heaterturned 15000 feet keep radio cabin above 300 throughout WORLD RECORD Cont Altitude Height types aero modeling records height above starting point likely present prob lem approved measurement Choice must among several means specified FAI Sporting Code small barograph car ried model theodolites telemeters barograph carried full-size aircraft follows model never exceeds max imum height moiel arent aware suitable commercially available small barographs carrying model March 1967 Flying Models carried article Maynard Hill build small baro graph about 6 oz weight Most the odolites telemeters situated govern ment testing ranges however cooperation use such equipment has obtained past Barographs carrying accom panying full-size airplane may rented contacts provided AMAs parent body National Aeronautic Association using barographs also necessary calibrate instruments determine height reached 26919-ft height record Maynard Hill way determined radar Naval Weapons Laboratory Airfield DahI gren VA Hill maintained visibility con trolling model means 30-power telescope Basic Model Requirements Maximum weight fuel 11023 lbs Maximum engine size 61 cu Maximum surface area 2325 sq ins Maximum surface loading fuel FF 1638 ozs per sq ft RC 2457 ozs per sq ft CL 3276 ozs per sq ft Minimum surface loading classes 395 ozs per sq ft Projected wing area projected stabil izer area added together determine sur face area loading maximum size pur poses FAI Sporting Code rule book avail able AMA HQ $250 PAl Record Sanction Procedures Sanction fees payable advance AMA HQ set lower actual costs order encourage possible try Proce dures different clubs individuals follows Club Regional Trials sanction fee $1000 good FAI record categories number records can established under single sanction sanction ef fective requested three-day period available AMA chartered clubs trying record must have current AMA license $1 FAI stamp pay fees same CD prior flight Application made current AMA Contest Director AMA HQ using letter request regu lar Application Meet Sanction CD will mailed sanction certificate copy records section FAI Sport ing Code rule book Individual Trials sanction fee $100 sanction obtained sending fee letter request stating category record attempted AMA HQ Such sanction will granted current AMA members have $1 FAI stamp good attempts desired during calendar year issuance cat egory onlynon-transferable Individual tempts must witnessed current AMA Contest Director other officials required according particular categories Since indi vidual sanctions specify dates sites individual CD concerned must notify AMA HQ mail telephone prior attempt giving time site planned attempt mail used postmark must least five days prior attempt phone notice must given least 48 hours advance Claim Record Meet Individual record claim must made AMA HQ soon possible flight made weekend HQ must notified phone following Monday morning AMA HQ required notify FAI record claim 48 hours attempt record claimed must accompanied $20 record processing fee fee will refunded reason record accepted FAI Finally documented report record performance signed CD must sub mitted AMA within 30 days notice AMA HQ Whos Presently Trying written mid-November 32 outstanding individual sanctions FAI World Record attempts will expire December 31 1976 no doubt will renewed continuing efforts 1977 listing holding sanctions provides interesting picture FF Rubber Speed No 41 Issued Tom Vallee Speed needed 9184 mph RC Landplane Duration No 20 Separ ately issued Gerry Harkins Richard Weber Duration needed 14 hours 47 minu utes 15 seconds RC Landplane Distance Straight Line No 21 Separately issued Gerry Harkins Jack Hiner Distance needed 27132 miles RC Glider Duration No 24 Issued Christopher Adams Duration needed 26 hours 15 minutes 1 second RC Glider Distance Straight Line No 25 Separately issued Christopher Adams Jack Hiner McI ntyre-Hiner team Richard Schilling David Smith Larry Vincek Distance needed 325 miles RC Glider Height No 261 Separately sued Christopher Adams Jack Hiner Mclntyre-Hiner team Richard Schilling David Smith Larry Vincek Height needed 5088 feet RC Glider Speed No 33 Separately sued David Katagiri Ken Stuhr Speed needed assuming acceptance present tenta tive record 19204 mph RC Seaplane Duration No 48 Issued Bryce Petersen Duration needed 6 hours 25 minutes 51 seconds RC Seaplane Distance Straight Line No 49 Issued Bryce Petersen Distance need ed 1379 miles RC Seaplane Distance Closed Course No 52 Issued Bryce Petersen Distance need ed 15592 miles CL Speed 5cc Class No 28 Issued Glenn Lee Speed needed 18313 mph Indoor Duration Cat No 32a Issued Tom Vallee Duration needed 23 minutes 13 seconds Indoor Duration Cat II No 32b Issued Tom Vallee Duration needed 30 minutes 44 seconds Indoor Duration Cat Ill No 32c1 Sep arately issued James Richmond Tom Vallee Duration needed 34 minutes 15 se conds Indoor Duration Cat IV No 32d Sep arately issued Ray Harlan James Richmond Al Rohrbaugh Tom Vallee Duration needed 51 minutes 42 seconds Want join 72 Model Aviation Jack Hiner shows off RC Sailplane established Straight Line Distance Record 3186 miles 1975 Flight took just over two hours landing 135 meters spot picked X SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX ompetition News will present time time constructive thought-provoking ideas orI think Cyrano said can pro- riticisms AMA rules policies affect competitors issue has two sides CNtecs myself enemies God0 owill endeavor print viewpoints have submittedwithin limits availablecan save friendsX Co space uniqueness constructiveness timeliness good taste Determination appropri- tion Simplel Xateness publication of matters must necessity rest solely publisher1 Li o ghts presented author should necessarily construed ne up runways spectator0 AMA HO AMA officers publisher should note publication aareas reasonable distance 4rules-change policy-change idea does necessarily mean specific proposal has beentween addition place spectatorsw opresented Contest Board Executive Council appropriate committee such action isso plane taking off moving paral-0 responsibility author anyone else interested obtaining official actionlel towards themX X2 Designate pit area away inno-CO o0 cent Anyone starts runs engine RULES CHANGESwhats going happen clubs will againoutside area grounded receives w ENGINES formulate club rules event specifying censure entire club o plain bearing engines just some clubs Im always ready lend hand pit X XDuke Foxholding contests Goodyear racing saying Anyone anytime get bit 0 Fox Manufacturing Cono Rossis allowedwill due own stupidity my0 a- understand Control Line Contest I would like see some nationally stan- book stupidity natures capital of- ard seriously considering rule changes dard racing event would allow relative fenses Butto collect broken props in- w would disqualify new Combat Spe- beginner become competitive relatively nocent bystanderCasey Stengle said very 0 X cial Slow Combat Slow Rat Race short period time would also like well Include out X 0 events happen effect rules free modification long Reprinted Log newsletter me would disastrous have far spent period time dont see advantage Riley County Fliers Kansas order $200000 working up engine adding quick fills fuel shut-offs ball bearingW o0 Coand getting level performance engines racing events think $50000can have much fun racing event Xnow sales far have underwithout above would like OI need tales three events plus sport0 flyers help amortize investment andsee Slow Rat become kind racing a.CAUTIONADULTS AT PLAY 4hopefully few years make enoughevent oprofit support another new motorOur hobby/sport construction andW CoAn almost identical situation did happencontrolled flying miniature airplanes isa0 Xin 1966 put last mydemanding very unforgiving activity Er oCo pesos developing Fox 74 enginerors construction become evident very SAFETYquickly poor flight characteristics actual 0.which planned ultimate Pattern en4W ogine Almost simultaneously first de-John Giffordin-flight failures airplane Inadequacies Coliveries AMA announced henceforth topic safety Safetyfor safetyof piloting skill alto become evident equally0 quickly airplane plunges spiralX XPattern would limited 10cc 60 size en- safety familiesdive terminating cloud balsa fragments 0 Ogmat immediately 98 percent mar-I know well aware shredded MonoKote ket evaporated five years AMA rules governing flight safety also Anyone considers playing - 4money new Fox products like toknow reasonable persons orwith mens toys better stop reconsid-W 0 othink modeling well myselfat least reasonable can yeter toys cost upwards $20000 andx Co losersstay involved RC However aremany hours painstaking work Co X ure Cox Testor K & B my-times simply thinkflight have potential destrcutive energy0 0 self have supported American model activities example editor visited Mu- 30-06 rifle great deal foreign manufac- ford site Sunday what saw further misconception planet w 4-g o turer think unreasonable us scared him Scared him did re- models just isnt true planes 0 Co ask considerations turn are miniature airplanes smaller X X rules changes what effect will have Motors revved up ground direct versions full-sized machines Aerodynami- Co 0 oour capability continue serving modelersline spectators Additionally engines cally planes operate different flight sted tuned admiring circle ofregime other class airborne ye- g 4the innocent standing around Men womenhides must obey Laws aero- W o0 children lounging comfort parallel anddynamics awe different forX XTHEnot 10 yards away churning mills different sizes well different speeds oSLOW INat takeoff Hoo-Boyl earned living design-0 CL SLOW RATLets little simple arithmeticing developing supersonic airplanes 1 wooden 11 x 7 prop weight two indeed made tome modest contributions w oDr E W Schnitzerounces nylon weighs bit morethe State art trantonic dog-fighting 0 x SnellvilleGA2 sixty mill turning out 12000 rpmtechniques very low Reynolds Numbers X rules Slow Rat allow en-3Reasonable noof miniature airplane flight make area o0 gine 36 cu displacement our4So what Gifforddesign whole new ball-game Yet still 0club conjunction another club form-A 11-inch diameter computes 288 feethave image grown men playing with0 4 o ulated club rules event has since circumference their toys o CV become known Slow Rat purpose was B 12000 rpm breaks down 200 revo- Perhaps part problem ourselves X xto allow people become interested andlutions per secondWe call planes models call of-Co o participate racing event large C prop-tip moving 576 feet per ficial body Academy Model Aeronau- 0 ay money become competitive second 390 mph friendl tics stores sell kits miniature -g 4 relatively short period time From 0 Half 11 7 ounce airplanes call themselves model shops W 0rearticles model magazines knowone-sixteenth poundofficial publication AMA called ading x Xthat intent other clubs well ything lets go have systemModel Aviaiton popular maga oas illustrated some rulesone ofthat will deliver slightly 36 ft-lb/zine devoted RC called Radio Control propeller must 10x6sec impact energyModelerand onand on ing1 dont see big gain using ball bear- 5 So what Flat will cause fairly say its time knock offWedont oengine permitted AMA rulesi andnasty bruise Tip first will penetrate build models build miniature airplanes o Co going 10 miles per hour faster plain nearly three inches meat Thats what The AMA should called Academy X ing engine fact see number dis- Cant hpen Back 58 saw one-half Miniature Aeronautics its magazine Mm- Co o advantages plain bearing engine inch nylon prop go through side pan- ature Aviation 0 event has become sophisticated enough el Chew Control Line Combat continue call ourselves model4 person become competitive fracas using 35s contestant tipped ers will treated men toys say W o either has machinist know ground takeoff prop exploded its time separate men boys Co get engine fast enough competitive tell youthat Chevy rang like gong once What think X else send somebody reworked To go through Africa Sicily Omaha Reprinted Streamlines newsletter Co 0 0 With addition bearings Rhine Korea Viet Nam get Romeo Mich Radio Aero Club Mike much work Second think zapped fun-fly Kansas No way buddy Naylor editor 4 0 SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX X February 1977 73 4 ES Three-timio Pre SterlingWright Iiich received OOO check Left Silver President meft Hanni featured Walt So Model Curare c-sentence su orked whome mpetitiofl s worked out full new idea substantial e art World ave us ci very best ers lud NO OCR TEXT Agnur ints ina rry Nelsontuned AENTOF Curares e de-coupi bra Speed ts 500 lots weIl-deservec f big proble. get good con hold us back mo s anything m tar no va new intricate advar judge well tnt Champions 515 problem together imp itors f Judge Doc Ed & crew Dr Ra] mann Liechter Warren Hit USA Mast ut Kirsch Austria McGinnis US/ Frank Schwa SA judges Judges er a
Edition: Model Aviation - 1977/02
Page Numbers: 69, 70, 71, 72, 73, 74, 75, 76
ACADEMY OF MODEL AERONAUTICS815 FIFTEENTH STREET NWWASHINGTON DC 20005 World Record Future Maybe Check accompanying list current World Records see isnt category has special interest and/or has current record within striking range Keep mind though new record must exceed existing 2% better break current World Re cords course will tough either because high achievement present hold er because equipment measure perfor mance isnt readily hand some record categories minds new records could easily seu given bit concentrated interest luck some cases Rubber Power FF Duration record now stands 1 hour 41 minutes 32 se conds Thats bad some days wind drift thermal activity just right model stay up hours de thermalized Model could AMA Unlim ited bigger FAI model specifica tions records wont concern anyone very much closest limit apt encoun tered minimum surface area wing plus stab projected loading 395 ozs per square foot Models clocked ordinary stop watches its okay timers follow model Rubber Power FF Height present re cord 5682 feet surely beatable fact record frequently beaten accident certification rubber model Wakefield Unlimited goes out sight overhead dethermalized hot thermal trick find sup er-thermally days have height-measur ing means disposal Piston Power FF Speed break re cord presently 10777 mph certainly would require model different normal FF contest sport machinebut better perfor mance easily possible main design con siderations rules compliance 61 cu maximum engine maximum surface load ing 1638 ozs per square foot timed course length 50 meters 1 64 must flown both directions within 30 minutes average considered record purposes Main design considerations outside FAI specs would controlling turn climband having model would survive landing ready flight opposite direction Surfaces designed break-away impact should obviously considered Hand-launch ing permitted AMA Technical Director Frank Ehling thinks ROG way go approach would set surfaces airplane couldnt lift off first flight trial gradually adjust sur faces until plane barely climbs Keep close ground philosophy Obvi RC Speed Straight Line Record holder Goukoune Myakinine USSR above seems clean design except rubber hold-downs plainly visible front-end shot right first pass timed 265 mph downwind following long dive accelera tion wind said variable both force direction time gusts up around 16 mph short dive made before entering course opposite direction clocked speed 162 mph average two passes record 2137 mph WORLD RECORD Cant FAI WORLD RECORDS ously timer limit engine run would needed would good tracking takeoff gear timer-actuated variable tail surfaces Ia present FAI Power models might use ful Free Flight Seaplanes Rubber Power FF Seaplane records stand unclaimed kind performance would cop gorgeous FAI World Record Certificate same true Piston Power FF Seaplanes Duration Speed categories achievable point view capturing Dis tance Height records shouldnt too dif ficult Seaplane models have take off water dont have land water RC Glider Height ego takes great pleasure snatching record away other country current record 4988 feet own Ray Smith seems like its right plucking Launching RC Glid ers World Records line 984-ft maximum lengthwinch pulleys hand towing permitted Landing RC models including Gliders must within 500 meters takeoff release point within 500 meters pre-stated landing point Straight-Line Distance Records pilot must stay ground somewhat limiting factor altitude control must maintained binoculars other optical aids may used RC Helicopter Distance Closed Course Straight-Line Distance record 3572 miles surely 933-mile closed course figure can bettered records shown tentative clear us view date performance FAI being ques tioned matter course RC mo dels piston engine including Helicopters straight line 500 meters length RC Helicopter Speed Hubert Bitners recent October 17 speed 343 mph ing submitted FAI certification new World Record category suspect concerted effort will better figure timed course 200 meters must traversed both directions within half hour landing average speed considered record purposes Control Line Speed records 5cc 305 cu 10cc 610 cu classes already bettered comparable en gine size AMA National Records itshould recognized FAI specifications require larger model commonly used AMA competitions due FAIs maximum surface loading class 3276 ozs per sq ft surface area wing plus stab area Yet using FAI Speed competition model example has same maximum load ing limitation increased wing area has seemed slow models Monoline takeoff dollies permitted FAI CL Speed records kind fuel Further no minimum control wire di ameters pull test contend withwhich points up need conduct FAI CL Speed Record Trials isolated area completely free spectators super-strong pro tective barriers officials FAI line length minimum 52277 5cc class 65346 10cc class Timing over minimum distance kilometer respec tively 10 8 laps lengths given Longer lines may used providing kil ometer made up whole number laps Indoor Category Ill AMA Cat egory II HL Stick record exceeds 33 min utes 34 seconds FAI World Record Free Flight Landplane Classification FlA 17 Glider Duration FlA 18 Glider Distance SL FlA 19 Glider Height FiB 1 Rubber Duration FiB 2 Rubber DistanceSL FiB 3 Rubber Height Fl B 4 Rubber Speed Fl C 5 Piston Duration Fl C 6 Piston Distance SL FiC 7 Piston Height FiC 8 Piston Speed Fl F 9 MC Rubber Duration FiF 10 MC Rubber Distance SL Fl F 11 HC Rubber Height FiF 12 HC Rubber Speed FiF 13 HC Piston Duration Fl F 14 HC Piston Distance Fl F 15 MC Piston Height FiF 16 HC Piston Speed Free Flight Seaplane Classification FiB 40 Rubber Duration Fl B 41 Rubber Distance SL FiB 42 Rubber Height FiB 43 Rubber Speed FiC 44 Piston Duration FiC 45 Piston Distance SL FiC 46 Piston Height Fl C 47 Piston Speed Held By Nation M Milutinovic Yugo Z Taus Czech G Benedek Hungary V Fiodorov USSR Tchiglitsev & Tomsk USSR V Fiodorov USSR P Motekaitis USSR M Koulakovsky USSR E Boricevitch USSR GLioubouchkineUSSR Doubinetzky USSR Nazarov USSR G Pelegi Italy P Motekaitis USSR P Motekaitis USSR S Purice Romania V Titlov USSR S Purice Romania Pavlov USSR Held No Record Established No Record Established No Record Established No Record Established No Record Established M SuIcCzech M SuIcCzech No Record Established Performance 4h 58m lOs 1928 mi 7755 ft lh 41m 32s 23064 ml 5682 ft 90036 mph 6h im 2353 ml 13620 ft 10777 mph 33m 267s 171834 ft 2664 ft 8962 mph 3h 12m 5685 ml 12300 ft 7215 mph 975 ml 6430 ft Radio Control Classification F3A 20 F3A 21 F3A 31 F3A 22 F3A 23 F3B 24 Landplane Duration Landplane Distance SL Landplane Distance CC Landplane Height Landplane Speed Glider Duration F3B 25 Glider Distance SL F3B 34 Glider Distance CC F3B 26 Glider Height F3B 33 Glider Speed F3C 35 HC Piston Duration F3C 36 MC Piston Distance SL F3C 39 MC Piston Distance CC F3C 37 MC Piston Height F3C 38 MC Piston Speed F3A 48 Seaplane Duration F3A 49 Seaplane Distance SL F3A 52 Seaplane Distance CC F3A 50 Seaplane Height F3A 51 Seaplane Speed Held L Giertz R Weber R Weber M Hill Goukoune/Myakinine V Miakinine J Miner L Aldochine R Smith W Sitar H Paellman D Ziegler V Bitterer H Pallmann H Bitner W Kaiser N Bowles B Petersen M Hill Goukoune/Myakinine Nation USA USA USA USA USSR USSR USA USSR USA Austria Performance 14h 29m Sis 266 ml 4244 mi 26919 ft 2137 mph 25h 44m 8s 3186 mi 32435 mi 4988 ft 18827 mph Germany 1h45m Germany 3572 ml Germany 933 ml Germany 3471 ft USA W Ger USA USA USA USSR 343 mph 6h 18m 17s 1352 ml 15286 ml 18540 ft 18329 mph Control Line Classification F2A 27 25cc Speed F2A 28 5cc Speed F2A29 10cc Speed F2A 30 Jet Speed Held A Pereversen T McDonald A Kouznetzov L Lipinski Nation USSR USA USSR USSR Performance 1864 mph 17954 mph 196 mph 24583 mph Indoor Classification FiD 32a Cat up 26 FiD 32b Cat II 26 49 Fl D 32c Cat III 49 98 F1D32d Cat IVover98 Held T Vallee J Kalina E Ciapala R Kowalski Nation USA Czech Poland USA Performance 22m 45s 30m 7s 33m 34s 5Gm 41s Tentative MC copter SL ight Line CC ed Course 70 Model Aviation Date Est 5-1 5-60 3-31 -62 5-23-48 6-19-64 7-1-62 6-19-64 6-20-71 8-6-52 8-14-52 8-1 3-47 6-25-7 3 6-3-68 8-3-74 8-30-75 6-12-70 10-1-65 10-1 -63 9-24-63 9-20-70 Nation Performance Date Est 10-4-73 10-4-73 Date Est 7-5/6-74 8-16-7 5 5-31-76 9-6-70 9-21 -71 9-30/ 10-1-73 4-24-7 5 10-24-74 9-2-68 5 -29-7 6 7-13-74 7-1 3-74 8-1 2-73 7-31-74 10-17-7 6 4-1 5-72 3-6-76 9-14-7 5 9-3-67 9-25-71 Date Est 11-2-75 11-15-64 9-30-62 6-1 2-7 1 Date Est 8-22-7 5 8-26-70 8-19-7 3 8-14-7 6 FAI Category Ill seems hope bringing record US FAI Indoor model record rules dont limit weight size models really upper size limit thats huge present record pretty good figure maximum 98 ceiling admit its certainly tainable 5041 figure Dick Kowaiski set FAI Cat IV last August Measuring Record Performance Duration Two timekeepers may use ordinary stop watches needed record ing barograph carried model may used unaware suitable baro graphs Other seaplanes models may either hand-launched rise off ground Models rise ground water must become airborne period exceed ing 2% total flight time engine RC models must run least 98% record time RC models must land within 500 meters launch point unless Duration record set conjunction Straight-Line Distance attempt Timers may follow model use binoculars other means proving model remained airborne Distance Straight Line Up 500 kil ometers measured official maps such may obtained US Geological Survey other US agencies Above 500 kin distance computed geographical ordinates places launching land ing maps used helpful ob tain maps beforehand plan launching landing according references map Distance Closed Course base 500 meters powered RC models 100 meters RC Gliders can established di rectly measuring steel tape Officials needed course end signal ends passing another official record number course lengths completed Speed Straight Line course may laid out direct measurement steel tape triangulation perpendicular ob servation/timing points course length 50 meters FF Rubber Power models RC Gliders 100 meters FF Piston Power models 200 meters RC powered mo dels course entry must also laid out 100 meters RC powered models 25 meters RC Gliders Powered RC models must maintain altitude between 40 meters 10 meters during both course entry actual timed course RC Gliders must exceed 20 meters altitutude during course entry actual timed course references need established offi cials can certify maintenance flight altitudes Two timekeepers really two sets timekeepers must used timepieces measuring least 1/100th second difference between times reg istered two timekeepers must ex ceed 1/50th second common method watch usage electrically rig stop watch actuation sensitive push-button switches held operated timers end course other means may also used course must flown both direc tions within one-half hour FF models may land between passes RC Control Line Speed Essentially timing same AMA Speed require ment two timers Stop watches must measure least 1/10th second difference between watch readings must exceed 2/1 Oths second Right Optical tracker Hills altitude flight electrically driven photo Walt Good lower tracker operator Maynard Hill above operates transmitter 26919-ft record Bill Watson tracker operator Below Bryce Petersens Seaplane Closed Course Distance Record holder Has HP 40 Perry Pumpcarried 72 ozs fuel burned 4 ozs 15286-mile flight Above Maynard Hill preps Catbird flight Hill holds RC Altitude Record design earlier also held Dura tion Record plane weighed 74 lbs takeoff complete about 25 ozs fuel flight terminated fuel exhaustion 26919 feet airborne receiver mounted insulated box also provid ed heaterturned 15000 feet keep radio cabin above 300 throughout WORLD RECORD Cont Altitude Height types aero modeling records height above starting point likely present prob lem approved measurement Choice must among several means specified FAI Sporting Code small barograph car ried model theodolites telemeters barograph carried full-size aircraft follows model never exceeds max imum height moiel arent aware suitable commercially available small barographs carrying model March 1967 Flying Models carried article Maynard Hill build small baro graph about 6 oz weight Most the odolites telemeters situated govern ment testing ranges however cooperation use such equipment has obtained past Barographs carrying accom panying full-size airplane may rented contacts provided AMAs parent body National Aeronautic Association using barographs also necessary calibrate instruments determine height reached 26919-ft height record Maynard Hill way determined radar Naval Weapons Laboratory Airfield DahI gren VA Hill maintained visibility con trolling model means 30-power telescope Basic Model Requirements Maximum weight fuel 11023 lbs Maximum engine size 61 cu Maximum surface area 2325 sq ins Maximum surface loading fuel FF 1638 ozs per sq ft RC 2457 ozs per sq ft CL 3276 ozs per sq ft Minimum surface loading classes 395 ozs per sq ft Projected wing area projected stabil izer area added together determine sur face area loading maximum size pur poses FAI Sporting Code rule book avail able AMA HQ $250 PAl Record Sanction Procedures Sanction fees payable advance AMA HQ set lower actual costs order encourage possible try Proce dures different clubs individuals follows Club Regional Trials sanction fee $1000 good FAI record categories number records can established under single sanction sanction ef fective requested three-day period available AMA chartered clubs trying record must have current AMA license $1 FAI stamp pay fees same CD prior flight Application made current AMA Contest Director AMA HQ using letter request regu lar Application Meet Sanction CD will mailed sanction certificate copy records section FAI Sport ing Code rule book Individual Trials sanction fee $100 sanction obtained sending fee letter request stating category record attempted AMA HQ Such sanction will granted current AMA members have $1 FAI stamp good attempts desired during calendar year issuance cat egory onlynon-transferable Individual tempts must witnessed current AMA Contest Director other officials required according particular categories Since indi vidual sanctions specify dates sites individual CD concerned must notify AMA HQ mail telephone prior attempt giving time site planned attempt mail used postmark must least five days prior attempt phone notice must given least 48 hours advance Claim Record Meet Individual record claim must made AMA HQ soon possible flight made weekend HQ must notified phone following Monday morning AMA HQ required notify FAI record claim 48 hours attempt record claimed must accompanied $20 record processing fee fee will refunded reason record accepted FAI Finally documented report record performance signed CD must sub mitted AMA within 30 days notice AMA HQ Whos Presently Trying written mid-November 32 outstanding individual sanctions FAI World Record attempts will expire December 31 1976 no doubt will renewed continuing efforts 1977 listing holding sanctions provides interesting picture FF Rubber Speed No 41 Issued Tom Vallee Speed needed 9184 mph RC Landplane Duration No 20 Separ ately issued Gerry Harkins Richard Weber Duration needed 14 hours 47 minu utes 15 seconds RC Landplane Distance Straight Line No 21 Separately issued Gerry Harkins Jack Hiner Distance needed 27132 miles RC Glider Duration No 24 Issued Christopher Adams Duration needed 26 hours 15 minutes 1 second RC Glider Distance Straight Line No 25 Separately issued Christopher Adams Jack Hiner McI ntyre-Hiner team Richard Schilling David Smith Larry Vincek Distance needed 325 miles RC Glider Height No 261 Separately sued Christopher Adams Jack Hiner Mclntyre-Hiner team Richard Schilling David Smith Larry Vincek Height needed 5088 feet RC Glider Speed No 33 Separately sued David Katagiri Ken Stuhr Speed needed assuming acceptance present tenta tive record 19204 mph RC Seaplane Duration No 48 Issued Bryce Petersen Duration needed 6 hours 25 minutes 51 seconds RC Seaplane Distance Straight Line No 49 Issued Bryce Petersen Distance need ed 1379 miles RC Seaplane Distance Closed Course No 52 Issued Bryce Petersen Distance need ed 15592 miles CL Speed 5cc Class No 28 Issued Glenn Lee Speed needed 18313 mph Indoor Duration Cat No 32a Issued Tom Vallee Duration needed 23 minutes 13 seconds Indoor Duration Cat II No 32b Issued Tom Vallee Duration needed 30 minutes 44 seconds Indoor Duration Cat Ill No 32c1 Sep arately issued James Richmond Tom Vallee Duration needed 34 minutes 15 se conds Indoor Duration Cat IV No 32d Sep arately issued Ray Harlan James Richmond Al Rohrbaugh Tom Vallee Duration needed 51 minutes 42 seconds Want join 72 Model Aviation Jack Hiner shows off RC Sailplane established Straight Line Distance Record 3186 miles 1975 Flight took just over two hours landing 135 meters spot picked X SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX ompetition News will present time time constructive thought-provoking ideas orI think Cyrano said can pro- riticisms AMA rules policies affect competitors issue has two sides CNtecs myself enemies God0 owill endeavor print viewpoints have submittedwithin limits availablecan save friendsX Co space uniqueness constructiveness timeliness good taste Determination appropri- tion Simplel Xateness publication of matters must necessity rest solely publisher1 Li o ghts presented author should necessarily construed ne up runways spectator0 AMA HO AMA officers publisher should note publication aareas reasonable distance 4rules-change policy-change idea does necessarily mean specific proposal has beentween addition place spectatorsw opresented Contest Board Executive Council appropriate committee such action isso plane taking off moving paral-0 responsibility author anyone else interested obtaining official actionlel towards themX X2 Designate pit area away inno-CO o0 cent Anyone starts runs engine RULES CHANGESwhats going happen clubs will againoutside area grounded receives w ENGINES formulate club rules event specifying censure entire club o plain bearing engines just some clubs Im always ready lend hand pit X XDuke Foxholding contests Goodyear racing saying Anyone anytime get bit 0 Fox Manufacturing Cono Rossis allowedwill due own stupidity my0 a- understand Control Line Contest I would like see some nationally stan- book stupidity natures capital of- ard seriously considering rule changes dard racing event would allow relative fenses Butto collect broken props in- w would disqualify new Combat Spe- beginner become competitive relatively nocent bystanderCasey Stengle said very 0 X cial Slow Combat Slow Rat Race short period time would also like well Include out X 0 events happen effect rules free modification long Reprinted Log newsletter me would disastrous have far spent period time dont see advantage Riley County Fliers Kansas order $200000 working up engine adding quick fills fuel shut-offs ball bearingW o0 Coand getting level performance engines racing events think $50000can have much fun racing event Xnow sales far have underwithout above would like OI need tales three events plus sport0 flyers help amortize investment andsee Slow Rat become kind racing a.CAUTIONADULTS AT PLAY 4hopefully few years make enoughevent oprofit support another new motorOur hobby/sport construction andW CoAn almost identical situation did happencontrolled flying miniature airplanes isa0 Xin 1966 put last mydemanding very unforgiving activity Er oCo pesos developing Fox 74 enginerors construction become evident very SAFETYquickly poor flight characteristics actual 0.which planned ultimate Pattern en4W ogine Almost simultaneously first de-John Giffordin-flight failures airplane Inadequacies Coliveries AMA announced henceforth topic safety Safetyfor safetyof piloting skill alto become evident equally0 quickly airplane plunges spiralX XPattern would limited 10cc 60 size en- safety familiesdive terminating cloud balsa fragments 0 Ogmat immediately 98 percent mar-I know well aware shredded MonoKote ket evaporated five years AMA rules governing flight safety also Anyone considers playing - 4money new Fox products like toknow reasonable persons orwith mens toys better stop reconsid-W 0 othink modeling well myselfat least reasonable can yeter toys cost upwards $20000 andx Co losersstay involved RC However aremany hours painstaking work Co X ure Cox Testor K & B my-times simply thinkflight have potential destrcutive energy0 0 self have supported American model activities example editor visited Mu- 30-06 rifle great deal foreign manufac- ford site Sunday what saw further misconception planet w 4-g o turer think unreasonable us scared him Scared him did re- models just isnt true planes 0 Co ask considerations turn are miniature airplanes smaller X X rules changes what effect will have Motors revved up ground direct versions full-sized machines Aerodynami- Co 0 oour capability continue serving modelersline spectators Additionally engines cally planes operate different flight sted tuned admiring circle ofregime other class airborne ye- g 4the innocent standing around Men womenhides must obey Laws aero- W o0 children lounging comfort parallel anddynamics awe different forX XTHEnot 10 yards away churning mills different sizes well different speeds oSLOW INat takeoff Hoo-Boyl earned living design-0 CL SLOW RATLets little simple arithmeticing developing supersonic airplanes 1 wooden 11 x 7 prop weight two indeed made tome modest contributions w oDr E W Schnitzerounces nylon weighs bit morethe State art trantonic dog-fighting 0 x SnellvilleGA2 sixty mill turning out 12000 rpmtechniques very low Reynolds Numbers X rules Slow Rat allow en-3Reasonable noof miniature airplane flight make area o0 gine 36 cu displacement our4So what Gifforddesign whole new ball-game Yet still 0club conjunction another club form-A 11-inch diameter computes 288 feethave image grown men playing with0 4 o ulated club rules event has since circumference their toys o CV become known Slow Rat purpose was B 12000 rpm breaks down 200 revo- Perhaps part problem ourselves X xto allow people become interested andlutions per secondWe call planes models call of-Co o participate racing event large C prop-tip moving 576 feet per ficial body Academy Model Aeronau- 0 ay money become competitive second 390 mph friendl tics stores sell kits miniature -g 4 relatively short period time From 0 Half 11 7 ounce airplanes call themselves model shops W 0rearticles model magazines knowone-sixteenth poundofficial publication AMA called ading x Xthat intent other clubs well ything lets go have systemModel Aviaiton popular maga oas illustrated some rulesone ofthat will deliver slightly 36 ft-lb/zine devoted RC called Radio Control propeller must 10x6sec impact energyModelerand onand on ing1 dont see big gain using ball bear- 5 So what Flat will cause fairly say its time knock offWedont oengine permitted AMA rulesi andnasty bruise Tip first will penetrate build models build miniature airplanes o Co going 10 miles per hour faster plain nearly three inches meat Thats what The AMA should called Academy X ing engine fact see number dis- Cant hpen Back 58 saw one-half Miniature Aeronautics its magazine Mm- Co o advantages plain bearing engine inch nylon prop go through side pan- ature Aviation 0 event has become sophisticated enough el Chew Control Line Combat continue call ourselves model4 person become competitive fracas using 35s contestant tipped ers will treated men toys say W o either has machinist know ground takeoff prop exploded its time separate men boys Co get engine fast enough competitive tell youthat Chevy rang like gong once What think X else send somebody reworked To go through Africa Sicily Omaha Reprinted Streamlines newsletter Co 0 0 With addition bearings Rhine Korea Viet Nam get Romeo Mich Radio Aero Club Mike much work Second think zapped fun-fly Kansas No way buddy Naylor editor 4 0 SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX X February 1977 73 4 ES Three-timio Pre SterlingWright Iiich received OOO check Left Silver President meft Hanni featured Walt So Model Curare c-sentence su orked whome mpetitiofl s worked out full new idea substantial e art World ave us ci very best ers lud NO OCR TEXT Agnur ints ina rry Nelsontuned AENTOF Curares e de-coupi bra Speed ts 500 lots weIl-deservec f big proble. get good con hold us back mo s anything m tar no va new intricate advar judge well tnt Champions 515 problem together imp itors f Judge Doc Ed & crew Dr Ra] mann Liechter Warren Hit USA Mast ut Kirsch Austria McGinnis US/ Frank Schwa SA judges Judges er a
Edition: Model Aviation - 1977/02
Page Numbers: 69, 70, 71, 72, 73, 74, 75, 76
ACADEMY OF MODEL AERONAUTICS815 FIFTEENTH STREET NWWASHINGTON DC 20005 World Record Future Maybe Check accompanying list current World Records see isnt category has special interest and/or has current record within striking range Keep mind though new record must exceed existing 2% better break current World Re cords course will tough either because high achievement present hold er because equipment measure perfor mance isnt readily hand some record categories minds new records could easily seu given bit concentrated interest luck some cases Rubber Power FF Duration record now stands 1 hour 41 minutes 32 se conds Thats bad some days wind drift thermal activity just right model stay up hours de thermalized Model could AMA Unlim ited bigger FAI model specifica tions records wont concern anyone very much closest limit apt encoun tered minimum surface area wing plus stab projected loading 395 ozs per square foot Models clocked ordinary stop watches its okay timers follow model Rubber Power FF Height present re cord 5682 feet surely beatable fact record frequently beaten accident certification rubber model Wakefield Unlimited goes out sight overhead dethermalized hot thermal trick find sup er-thermally days have height-measur ing means disposal Piston Power FF Speed break re cord presently 10777 mph certainly would require model different normal FF contest sport machinebut better perfor mance easily possible main design con siderations rules compliance 61 cu maximum engine maximum surface load ing 1638 ozs per square foot timed course length 50 meters 1 64 must flown both directions within 30 minutes average considered record purposes Main design considerations outside FAI specs would controlling turn climband having model would survive landing ready flight opposite direction Surfaces designed break-away impact should obviously considered Hand-launch ing permitted AMA Technical Director Frank Ehling thinks ROG way go approach would set surfaces airplane couldnt lift off first flight trial gradually adjust sur faces until plane barely climbs Keep close ground philosophy Obvi RC Speed Straight Line Record holder Goukoune Myakinine USSR above seems clean design except rubber hold-downs plainly visible front-end shot right first pass timed 265 mph downwind following long dive accelera tion wind said variable both force direction time gusts up around 16 mph short dive made before entering course opposite direction clocked speed 162 mph average two passes record 2137 mph WORLD RECORD Cant FAI WORLD RECORDS ously timer limit engine run would needed would good tracking takeoff gear timer-actuated variable tail surfaces Ia present FAI Power models might use ful Free Flight Seaplanes Rubber Power FF Seaplane records stand unclaimed kind performance would cop gorgeous FAI World Record Certificate same true Piston Power FF Seaplanes Duration Speed categories achievable point view capturing Dis tance Height records shouldnt too dif ficult Seaplane models have take off water dont have land water RC Glider Height ego takes great pleasure snatching record away other country current record 4988 feet own Ray Smith seems like its right plucking Launching RC Glid ers World Records line 984-ft maximum lengthwinch pulleys hand towing permitted Landing RC models including Gliders must within 500 meters takeoff release point within 500 meters pre-stated landing point Straight-Line Distance Records pilot must stay ground somewhat limiting factor altitude control must maintained binoculars other optical aids may used RC Helicopter Distance Closed Course Straight-Line Distance record 3572 miles surely 933-mile closed course figure can bettered records shown tentative clear us view date performance FAI being ques tioned matter course RC mo dels piston engine including Helicopters straight line 500 meters length RC Helicopter Speed Hubert Bitners recent October 17 speed 343 mph ing submitted FAI certification new World Record category suspect concerted effort will better figure timed course 200 meters must traversed both directions within half hour landing average speed considered record purposes Control Line Speed records 5cc 305 cu 10cc 610 cu classes already bettered comparable en gine size AMA National Records itshould recognized FAI specifications require larger model commonly used AMA competitions due FAIs maximum surface loading class 3276 ozs per sq ft surface area wing plus stab area Yet using FAI Speed competition model example has same maximum load ing limitation increased wing area has seemed slow models Monoline takeoff dollies permitted FAI CL Speed records kind fuel Further no minimum control wire di ameters pull test contend withwhich points up need conduct FAI CL Speed Record Trials isolated area completely free spectators super-strong pro tective barriers officials FAI line length minimum 52277 5cc class 65346 10cc class Timing over minimum distance kilometer respec tively 10 8 laps lengths given Longer lines may used providing kil ometer made up whole number laps Indoor Category Ill AMA Cat egory II HL Stick record exceeds 33 min utes 34 seconds FAI World Record Free Flight Landplane Classification FlA 17 Glider Duration FlA 18 Glider Distance SL FlA 19 Glider Height FiB 1 Rubber Duration FiB 2 Rubber DistanceSL FiB 3 Rubber Height Fl B 4 Rubber Speed Fl C 5 Piston Duration Fl C 6 Piston Distance SL FiC 7 Piston Height FiC 8 Piston Speed Fl F 9 MC Rubber Duration FiF 10 MC Rubber Distance SL Fl F 11 HC Rubber Height FiF 12 HC Rubber Speed FiF 13 HC Piston Duration Fl F 14 HC Piston Distance Fl F 15 MC Piston Height FiF 16 HC Piston Speed Free Flight Seaplane Classification FiB 40 Rubber Duration Fl B 41 Rubber Distance SL FiB 42 Rubber Height FiB 43 Rubber Speed FiC 44 Piston Duration FiC 45 Piston Distance SL FiC 46 Piston Height Fl C 47 Piston Speed Held By Nation M Milutinovic Yugo Z Taus Czech G Benedek Hungary V Fiodorov USSR Tchiglitsev & Tomsk USSR V Fiodorov USSR P Motekaitis USSR M Koulakovsky USSR E Boricevitch USSR GLioubouchkineUSSR Doubinetzky USSR Nazarov USSR G Pelegi Italy P Motekaitis USSR P Motekaitis USSR S Purice Romania V Titlov USSR S Purice Romania Pavlov USSR Held No Record Established No Record Established No Record Established No Record Established No Record Established M SuIcCzech M SuIcCzech No Record Established Performance 4h 58m lOs 1928 mi 7755 ft lh 41m 32s 23064 ml 5682 ft 90036 mph 6h im 2353 ml 13620 ft 10777 mph 33m 267s 171834 ft 2664 ft 8962 mph 3h 12m 5685 ml 12300 ft 7215 mph 975 ml 6430 ft Radio Control Classification F3A 20 F3A 21 F3A 31 F3A 22 F3A 23 F3B 24 Landplane Duration Landplane Distance SL Landplane Distance CC Landplane Height Landplane Speed Glider Duration F3B 25 Glider Distance SL F3B 34 Glider Distance CC F3B 26 Glider Height F3B 33 Glider Speed F3C 35 HC Piston Duration F3C 36 MC Piston Distance SL F3C 39 MC Piston Distance CC F3C 37 MC Piston Height F3C 38 MC Piston Speed F3A 48 Seaplane Duration F3A 49 Seaplane Distance SL F3A 52 Seaplane Distance CC F3A 50 Seaplane Height F3A 51 Seaplane Speed Held L Giertz R Weber R Weber M Hill Goukoune/Myakinine V Miakinine J Miner L Aldochine R Smith W Sitar H Paellman D Ziegler V Bitterer H Pallmann H Bitner W Kaiser N Bowles B Petersen M Hill Goukoune/Myakinine Nation USA USA USA USA USSR USSR USA USSR USA Austria Performance 14h 29m Sis 266 ml 4244 mi 26919 ft 2137 mph 25h 44m 8s 3186 mi 32435 mi 4988 ft 18827 mph Germany 1h45m Germany 3572 ml Germany 933 ml Germany 3471 ft USA W Ger USA USA USA USSR 343 mph 6h 18m 17s 1352 ml 15286 ml 18540 ft 18329 mph Control Line Classification F2A 27 25cc Speed F2A 28 5cc Speed F2A29 10cc Speed F2A 30 Jet Speed Held A Pereversen T McDonald A Kouznetzov L Lipinski Nation USSR USA USSR USSR Performance 1864 mph 17954 mph 196 mph 24583 mph Indoor Classification FiD 32a Cat up 26 FiD 32b Cat II 26 49 Fl D 32c Cat III 49 98 F1D32d Cat IVover98 Held T Vallee J Kalina E Ciapala R Kowalski Nation USA Czech Poland USA Performance 22m 45s 30m 7s 33m 34s 5Gm 41s Tentative MC copter SL ight Line CC ed Course 70 Model Aviation Date Est 5-1 5-60 3-31 -62 5-23-48 6-19-64 7-1-62 6-19-64 6-20-71 8-6-52 8-14-52 8-1 3-47 6-25-7 3 6-3-68 8-3-74 8-30-75 6-12-70 10-1-65 10-1 -63 9-24-63 9-20-70 Nation Performance Date Est 10-4-73 10-4-73 Date Est 7-5/6-74 8-16-7 5 5-31-76 9-6-70 9-21 -71 9-30/ 10-1-73 4-24-7 5 10-24-74 9-2-68 5 -29-7 6 7-13-74 7-1 3-74 8-1 2-73 7-31-74 10-17-7 6 4-1 5-72 3-6-76 9-14-7 5 9-3-67 9-25-71 Date Est 11-2-75 11-15-64 9-30-62 6-1 2-7 1 Date Est 8-22-7 5 8-26-70 8-19-7 3 8-14-7 6 FAI Category Ill seems hope bringing record US FAI Indoor model record rules dont limit weight size models really upper size limit thats huge present record pretty good figure maximum 98 ceiling admit its certainly tainable 5041 figure Dick Kowaiski set FAI Cat IV last August Measuring Record Performance Duration Two timekeepers may use ordinary stop watches needed record ing barograph carried model may used unaware suitable baro graphs Other seaplanes models may either hand-launched rise off ground Models rise ground water must become airborne period exceed ing 2% total flight time engine RC models must run least 98% record time RC models must land within 500 meters launch point unless Duration record set conjunction Straight-Line Distance attempt Timers may follow model use binoculars other means proving model remained airborne Distance Straight Line Up 500 kil ometers measured official maps such may obtained US Geological Survey other US agencies Above 500 kin distance computed geographical ordinates places launching land ing maps used helpful ob tain maps beforehand plan launching landing according references map Distance Closed Course base 500 meters powered RC models 100 meters RC Gliders can established di rectly measuring steel tape Officials needed course end signal ends passing another official record number course lengths completed Speed Straight Line course may laid out direct measurement steel tape triangulation perpendicular ob servation/timing points course length 50 meters FF Rubber Power models RC Gliders 100 meters FF Piston Power models 200 meters RC powered mo dels course entry must also laid out 100 meters RC powered models 25 meters RC Gliders Powered RC models must maintain altitude between 40 meters 10 meters during both course entry actual timed course RC Gliders must exceed 20 meters altitutude during course entry actual timed course references need established offi cials can certify maintenance flight altitudes Two timekeepers really two sets timekeepers must used timepieces measuring least 1/100th second difference between times reg istered two timekeepers must ex ceed 1/50th second common method watch usage electrically rig stop watch actuation sensitive push-button switches held operated timers end course other means may also used course must flown both direc tions within one-half hour FF models may land between passes RC Control Line Speed Essentially timing same AMA Speed require ment two timers Stop watches must measure least 1/10th second difference between watch readings must exceed 2/1 Oths second Right Optical tracker Hills altitude flight electrically driven photo Walt Good lower tracker operator Maynard Hill above operates transmitter 26919-ft record Bill Watson tracker operator Below Bryce Petersens Seaplane Closed Course Distance Record holder Has HP 40 Perry Pumpcarried 72 ozs fuel burned 4 ozs 15286-mile flight Above Maynard Hill preps Catbird flight Hill holds RC Altitude Record design earlier also held Dura tion Record plane weighed 74 lbs takeoff complete about 25 ozs fuel flight terminated fuel exhaustion 26919 feet airborne receiver mounted insulated box also provid ed heaterturned 15000 feet keep radio cabin above 300 throughout WORLD RECORD Cont Altitude Height types aero modeling records height above starting point likely present prob lem approved measurement Choice must among several means specified FAI Sporting Code small barograph car ried model theodolites telemeters barograph carried full-size aircraft follows model never exceeds max imum height moiel arent aware suitable commercially available small barographs carrying model March 1967 Flying Models carried article Maynard Hill build small baro graph about 6 oz weight Most the odolites telemeters situated govern ment testing ranges however cooperation use such equipment has obtained past Barographs carrying accom panying full-size airplane may rented contacts provided AMAs parent body National Aeronautic Association using barographs also necessary calibrate instruments determine height reached 26919-ft height record Maynard Hill way determined radar Naval Weapons Laboratory Airfield DahI gren VA Hill maintained visibility con trolling model means 30-power telescope Basic Model Requirements Maximum weight fuel 11023 lbs Maximum engine size 61 cu Maximum surface area 2325 sq ins Maximum surface loading fuel FF 1638 ozs per sq ft RC 2457 ozs per sq ft CL 3276 ozs per sq ft Minimum surface loading classes 395 ozs per sq ft Projected wing area projected stabil izer area added together determine sur face area loading maximum size pur poses FAI Sporting Code rule book avail able AMA HQ $250 PAl Record Sanction Procedures Sanction fees payable advance AMA HQ set lower actual costs order encourage possible try Proce dures different clubs individuals follows Club Regional Trials sanction fee $1000 good FAI record categories number records can established under single sanction sanction ef fective requested three-day period available AMA chartered clubs trying record must have current AMA license $1 FAI stamp pay fees same CD prior flight Application made current AMA Contest Director AMA HQ using letter request regu lar Application Meet Sanction CD will mailed sanction certificate copy records section FAI Sport ing Code rule book Individual Trials sanction fee $100 sanction obtained sending fee letter request stating category record attempted AMA HQ Such sanction will granted current AMA members have $1 FAI stamp good attempts desired during calendar year issuance cat egory onlynon-transferable Individual tempts must witnessed current AMA Contest Director other officials required according particular categories Since indi vidual sanctions specify dates sites individual CD concerned must notify AMA HQ mail telephone prior attempt giving time site planned attempt mail used postmark must least five days prior attempt phone notice must given least 48 hours advance Claim Record Meet Individual record claim must made AMA HQ soon possible flight made weekend HQ must notified phone following Monday morning AMA HQ required notify FAI record claim 48 hours attempt record claimed must accompanied $20 record processing fee fee will refunded reason record accepted FAI Finally documented report record performance signed CD must sub mitted AMA within 30 days notice AMA HQ Whos Presently Trying written mid-November 32 outstanding individual sanctions FAI World Record attempts will expire December 31 1976 no doubt will renewed continuing efforts 1977 listing holding sanctions provides interesting picture FF Rubber Speed No 41 Issued Tom Vallee Speed needed 9184 mph RC Landplane Duration No 20 Separ ately issued Gerry Harkins Richard Weber Duration needed 14 hours 47 minu utes 15 seconds RC Landplane Distance Straight Line No 21 Separately issued Gerry Harkins Jack Hiner Distance needed 27132 miles RC Glider Duration No 24 Issued Christopher Adams Duration needed 26 hours 15 minutes 1 second RC Glider Distance Straight Line No 25 Separately issued Christopher Adams Jack Hiner McI ntyre-Hiner team Richard Schilling David Smith Larry Vincek Distance needed 325 miles RC Glider Height No 261 Separately sued Christopher Adams Jack Hiner Mclntyre-Hiner team Richard Schilling David Smith Larry Vincek Height needed 5088 feet RC Glider Speed No 33 Separately sued David Katagiri Ken Stuhr Speed needed assuming acceptance present tenta tive record 19204 mph RC Seaplane Duration No 48 Issued Bryce Petersen Duration needed 6 hours 25 minutes 51 seconds RC Seaplane Distance Straight Line No 49 Issued Bryce Petersen Distance need ed 1379 miles RC Seaplane Distance Closed Course No 52 Issued Bryce Petersen Distance need ed 15592 miles CL Speed 5cc Class No 28 Issued Glenn Lee Speed needed 18313 mph Indoor Duration Cat No 32a Issued Tom Vallee Duration needed 23 minutes 13 seconds Indoor Duration Cat II No 32b Issued Tom Vallee Duration needed 30 minutes 44 seconds Indoor Duration Cat Ill No 32c1 Sep arately issued James Richmond Tom Vallee Duration needed 34 minutes 15 se conds Indoor Duration Cat IV No 32d Sep arately issued Ray Harlan James Richmond Al Rohrbaugh Tom Vallee Duration needed 51 minutes 42 seconds Want join 72 Model Aviation Jack Hiner shows off RC Sailplane established Straight Line Distance Record 3186 miles 1975 Flight took just over two hours landing 135 meters spot picked X SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX ompetition News will present time time constructive thought-provoking ideas orI think Cyrano said can pro- riticisms AMA rules policies affect competitors issue has two sides CNtecs myself enemies God0 owill endeavor print viewpoints have submittedwithin limits availablecan save friendsX Co space uniqueness constructiveness timeliness good taste Determination appropri- tion Simplel Xateness publication of matters must necessity rest solely publisher1 Li o ghts presented author should necessarily construed ne up runways spectator0 AMA HO AMA officers publisher should note publication aareas reasonable distance 4rules-change policy-change idea does necessarily mean specific proposal has beentween addition place spectatorsw opresented Contest Board Executive Council appropriate committee such action isso plane taking off moving paral-0 responsibility author anyone else interested obtaining official actionlel towards themX X2 Designate pit area away inno-CO o0 cent Anyone starts runs engine RULES CHANGESwhats going happen clubs will againoutside area grounded receives w ENGINES formulate club rules event specifying censure entire club o plain bearing engines just some clubs Im always ready lend hand pit X XDuke Foxholding contests Goodyear racing saying Anyone anytime get bit 0 Fox Manufacturing Cono Rossis allowedwill due own stupidity my0 a- understand Control Line Contest I would like see some nationally stan- book stupidity natures capital of- ard seriously considering rule changes dard racing event would allow relative fenses Butto collect broken props in- w would disqualify new Combat Spe- beginner become competitive relatively nocent bystanderCasey Stengle said very 0 X cial Slow Combat Slow Rat Race short period time would also like well Include out X 0 events happen effect rules free modification long Reprinted Log newsletter me would disastrous have far spent period time dont see advantage Riley County Fliers Kansas order $200000 working up engine adding quick fills fuel shut-offs ball bearingW o0 Coand getting level performance engines racing events think $50000can have much fun racing event Xnow sales far have underwithout above would like OI need tales three events plus sport0 flyers help amortize investment andsee Slow Rat become kind racing a.CAUTIONADULTS AT PLAY 4hopefully few years make enoughevent oprofit support another new motorOur hobby/sport construction andW CoAn almost identical situation did happencontrolled flying miniature airplanes isa0 Xin 1966 put last mydemanding very unforgiving activity Er oCo pesos developing Fox 74 enginerors construction become evident very SAFETYquickly poor flight characteristics actual 0.which planned ultimate Pattern en4W ogine Almost simultaneously first de-John Giffordin-flight failures airplane Inadequacies Coliveries AMA announced henceforth topic safety Safetyfor safetyof piloting skill alto become evident equally0 quickly airplane plunges spiralX XPattern would limited 10cc 60 size en- safety familiesdive terminating cloud balsa fragments 0 Ogmat immediately 98 percent mar-I know well aware shredded MonoKote ket evaporated five years AMA rules governing flight safety also Anyone considers playing - 4money new Fox products like toknow reasonable persons orwith mens toys better stop reconsid-W 0 othink modeling well myselfat least reasonable can yeter toys cost upwards $20000 andx Co losersstay involved RC However aremany hours painstaking work Co X ure Cox Testor K & B my-times simply thinkflight have potential destrcutive energy0 0 self have supported American model activities example editor visited Mu- 30-06 rifle great deal foreign manufac- ford site Sunday what saw further misconception planet w 4-g o turer think unreasonable us scared him Scared him did re- models just isnt true planes 0 Co ask considerations turn are miniature airplanes smaller X X rules changes what effect will have Motors revved up ground direct versions full-sized machines Aerodynami- Co 0 oour capability continue serving modelersline spectators Additionally engines cally planes operate different flight sted tuned admiring circle ofregime other class airborne ye- g 4the innocent standing around Men womenhides must obey Laws aero- W o0 children lounging comfort parallel anddynamics awe different forX XTHEnot 10 yards away churning mills different sizes well different speeds oSLOW INat takeoff Hoo-Boyl earned living design-0 CL SLOW RATLets little simple arithmeticing developing supersonic airplanes 1 wooden 11 x 7 prop weight two indeed made tome modest contributions w oDr E W Schnitzerounces nylon weighs bit morethe State art trantonic dog-fighting 0 x SnellvilleGA2 sixty mill turning out 12000 rpmtechniques very low Reynolds Numbers X rules Slow Rat allow en-3Reasonable noof miniature airplane flight make area o0 gine 36 cu displacement our4So what Gifforddesign whole new ball-game Yet still 0club conjunction another club form-A 11-inch diameter computes 288 feethave image grown men playing with0 4 o ulated club rules event has since circumference their toys o CV become known Slow Rat purpose was B 12000 rpm breaks down 200 revo- Perhaps part problem ourselves X xto allow people become interested andlutions per secondWe call planes models call of-Co o participate racing event large C prop-tip moving 576 feet per ficial body Academy Model Aeronau- 0 ay money become competitive second 390 mph friendl tics stores sell kits miniature -g 4 relatively short period time From 0 Half 11 7 ounce airplanes call themselves model shops W 0rearticles model magazines knowone-sixteenth poundofficial publication AMA called ading x Xthat intent other clubs well ything lets go have systemModel Aviaiton popular maga oas illustrated some rulesone ofthat will deliver slightly 36 ft-lb/zine devoted RC called Radio Control propeller must 10x6sec impact energyModelerand onand on ing1 dont see big gain using ball bear- 5 So what Flat will cause fairly say its time knock offWedont oengine permitted AMA rulesi andnasty bruise Tip first will penetrate build models build miniature airplanes o Co going 10 miles per hour faster plain nearly three inches meat Thats what The AMA should called Academy X ing engine fact see number dis- Cant hpen Back 58 saw one-half Miniature Aeronautics its magazine Mm- Co o advantages plain bearing engine inch nylon prop go through side pan- ature Aviation 0 event has become sophisticated enough el Chew Control Line Combat continue call ourselves model4 person become competitive fracas using 35s contestant tipped ers will treated men toys say W o either has machinist know ground takeoff prop exploded its time separate men boys Co get engine fast enough competitive tell youthat Chevy rang like gong once What think X else send somebody reworked To go through Africa Sicily Omaha Reprinted Streamlines newsletter Co 0 0 With addition bearings Rhine Korea Viet Nam get Romeo Mich Radio Aero Club Mike much work Second think zapped fun-fly Kansas No way buddy Naylor editor 4 0 SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX X February 1977 73 4 ES Three-timio Pre SterlingWright Iiich received OOO check Left Silver President meft Hanni featured Walt So Model Curare c-sentence su orked whome mpetitiofl s worked out full new idea substantial e art World ave us ci very best ers lud NO OCR TEXT Agnur ints ina rry Nelsontuned AENTOF Curares e de-coupi bra Speed ts 500 lots weIl-deservec f big proble. get good con hold us back mo s anything m tar no va new intricate advar judge well tnt Champions 515 problem together imp itors f Judge Doc Ed & crew Dr Ra] mann Liechter Warren Hit USA Mast ut Kirsch Austria McGinnis US/ Frank Schwa SA judges Judges er a
Edition: Model Aviation - 1977/02
Page Numbers: 69, 70, 71, 72, 73, 74, 75, 76
ACADEMY OF MODEL AERONAUTICS815 FIFTEENTH STREET NWWASHINGTON DC 20005 World Record Future Maybe Check accompanying list current World Records see isnt category has special interest and/or has current record within striking range Keep mind though new record must exceed existing 2% better break current World Re cords course will tough either because high achievement present hold er because equipment measure perfor mance isnt readily hand some record categories minds new records could easily seu given bit concentrated interest luck some cases Rubber Power FF Duration record now stands 1 hour 41 minutes 32 se conds Thats bad some days wind drift thermal activity just right model stay up hours de thermalized Model could AMA Unlim ited bigger FAI model specifica tions records wont concern anyone very much closest limit apt encoun tered minimum surface area wing plus stab projected loading 395 ozs per square foot Models clocked ordinary stop watches its okay timers follow model Rubber Power FF Height present re cord 5682 feet surely beatable fact record frequently beaten accident certification rubber model Wakefield Unlimited goes out sight overhead dethermalized hot thermal trick find sup er-thermally days have height-measur ing means disposal Piston Power FF Speed break re cord presently 10777 mph certainly would require model different normal FF contest sport machinebut better perfor mance easily possible main design con siderations rules compliance 61 cu maximum engine maximum surface load ing 1638 ozs per square foot timed course length 50 meters 1 64 must flown both directions within 30 minutes average considered record purposes Main design considerations outside FAI specs would controlling turn climband having model would survive landing ready flight opposite direction Surfaces designed break-away impact should obviously considered Hand-launch ing permitted AMA Technical Director Frank Ehling thinks ROG way go approach would set surfaces airplane couldnt lift off first flight trial gradually adjust sur faces until plane barely climbs Keep close ground philosophy Obvi RC Speed Straight Line Record holder Goukoune Myakinine USSR above seems clean design except rubber hold-downs plainly visible front-end shot right first pass timed 265 mph downwind following long dive accelera tion wind said variable both force direction time gusts up around 16 mph short dive made before entering course opposite direction clocked speed 162 mph average two passes record 2137 mph WORLD RECORD Cant FAI WORLD RECORDS ously timer limit engine run would needed would good tracking takeoff gear timer-actuated variable tail surfaces Ia present FAI Power models might use ful Free Flight Seaplanes Rubber Power FF Seaplane records stand unclaimed kind performance would cop gorgeous FAI World Record Certificate same true Piston Power FF Seaplanes Duration Speed categories achievable point view capturing Dis tance Height records shouldnt too dif ficult Seaplane models have take off water dont have land water RC Glider Height ego takes great pleasure snatching record away other country current record 4988 feet own Ray Smith seems like its right plucking Launching RC Glid ers World Records line 984-ft maximum lengthwinch pulleys hand towing permitted Landing RC models including Gliders must within 500 meters takeoff release point within 500 meters pre-stated landing point Straight-Line Distance Records pilot must stay ground somewhat limiting factor altitude control must maintained binoculars other optical aids may used RC Helicopter Distance Closed Course Straight-Line Distance record 3572 miles surely 933-mile closed course figure can bettered records shown tentative clear us view date performance FAI being ques tioned matter course RC mo dels piston engine including Helicopters straight line 500 meters length RC Helicopter Speed Hubert Bitners recent October 17 speed 343 mph ing submitted FAI certification new World Record category suspect concerted effort will better figure timed course 200 meters must traversed both directions within half hour landing average speed considered record purposes Control Line Speed records 5cc 305 cu 10cc 610 cu classes already bettered comparable en gine size AMA National Records itshould recognized FAI specifications require larger model commonly used AMA competitions due FAIs maximum surface loading class 3276 ozs per sq ft surface area wing plus stab area Yet using FAI Speed competition model example has same maximum load ing limitation increased wing area has seemed slow models Monoline takeoff dollies permitted FAI CL Speed records kind fuel Further no minimum control wire di ameters pull test contend withwhich points up need conduct FAI CL Speed Record Trials isolated area completely free spectators super-strong pro tective barriers officials FAI line length minimum 52277 5cc class 65346 10cc class Timing over minimum distance kilometer respec tively 10 8 laps lengths given Longer lines may used providing kil ometer made up whole number laps Indoor Category Ill AMA Cat egory II HL Stick record exceeds 33 min utes 34 seconds FAI World Record Free Flight Landplane Classification FlA 17 Glider Duration FlA 18 Glider Distance SL FlA 19 Glider Height FiB 1 Rubber Duration FiB 2 Rubber DistanceSL FiB 3 Rubber Height Fl B 4 Rubber Speed Fl C 5 Piston Duration Fl C 6 Piston Distance SL FiC 7 Piston Height FiC 8 Piston Speed Fl F 9 MC Rubber Duration FiF 10 MC Rubber Distance SL Fl F 11 HC Rubber Height FiF 12 HC Rubber Speed FiF 13 HC Piston Duration Fl F 14 HC Piston Distance Fl F 15 MC Piston Height FiF 16 HC Piston Speed Free Flight Seaplane Classification FiB 40 Rubber Duration Fl B 41 Rubber Distance SL FiB 42 Rubber Height FiB 43 Rubber Speed FiC 44 Piston Duration FiC 45 Piston Distance SL FiC 46 Piston Height Fl C 47 Piston Speed Held By Nation M Milutinovic Yugo Z Taus Czech G Benedek Hungary V Fiodorov USSR Tchiglitsev & Tomsk USSR V Fiodorov USSR P Motekaitis USSR M Koulakovsky USSR E Boricevitch USSR GLioubouchkineUSSR Doubinetzky USSR Nazarov USSR G Pelegi Italy P Motekaitis USSR P Motekaitis USSR S Purice Romania V Titlov USSR S Purice Romania Pavlov USSR Held No Record Established No Record Established No Record Established No Record Established No Record Established M SuIcCzech M SuIcCzech No Record Established Performance 4h 58m lOs 1928 mi 7755 ft lh 41m 32s 23064 ml 5682 ft 90036 mph 6h im 2353 ml 13620 ft 10777 mph 33m 267s 171834 ft 2664 ft 8962 mph 3h 12m 5685 ml 12300 ft 7215 mph 975 ml 6430 ft Radio Control Classification F3A 20 F3A 21 F3A 31 F3A 22 F3A 23 F3B 24 Landplane Duration Landplane Distance SL Landplane Distance CC Landplane Height Landplane Speed Glider Duration F3B 25 Glider Distance SL F3B 34 Glider Distance CC F3B 26 Glider Height F3B 33 Glider Speed F3C 35 HC Piston Duration F3C 36 MC Piston Distance SL F3C 39 MC Piston Distance CC F3C 37 MC Piston Height F3C 38 MC Piston Speed F3A 48 Seaplane Duration F3A 49 Seaplane Distance SL F3A 52 Seaplane Distance CC F3A 50 Seaplane Height F3A 51 Seaplane Speed Held L Giertz R Weber R Weber M Hill Goukoune/Myakinine V Miakinine J Miner L Aldochine R Smith W Sitar H Paellman D Ziegler V Bitterer H Pallmann H Bitner W Kaiser N Bowles B Petersen M Hill Goukoune/Myakinine Nation USA USA USA USA USSR USSR USA USSR USA Austria Performance 14h 29m Sis 266 ml 4244 mi 26919 ft 2137 mph 25h 44m 8s 3186 mi 32435 mi 4988 ft 18827 mph Germany 1h45m Germany 3572 ml Germany 933 ml Germany 3471 ft USA W Ger USA USA USA USSR 343 mph 6h 18m 17s 1352 ml 15286 ml 18540 ft 18329 mph Control Line Classification F2A 27 25cc Speed F2A 28 5cc Speed F2A29 10cc Speed F2A 30 Jet Speed Held A Pereversen T McDonald A Kouznetzov L Lipinski Nation USSR USA USSR USSR Performance 1864 mph 17954 mph 196 mph 24583 mph Indoor Classification FiD 32a Cat up 26 FiD 32b Cat II 26 49 Fl D 32c Cat III 49 98 F1D32d Cat IVover98 Held T Vallee J Kalina E Ciapala R Kowalski Nation USA Czech Poland USA Performance 22m 45s 30m 7s 33m 34s 5Gm 41s Tentative MC copter SL ight Line CC ed Course 70 Model Aviation Date Est 5-1 5-60 3-31 -62 5-23-48 6-19-64 7-1-62 6-19-64 6-20-71 8-6-52 8-14-52 8-1 3-47 6-25-7 3 6-3-68 8-3-74 8-30-75 6-12-70 10-1-65 10-1 -63 9-24-63 9-20-70 Nation Performance Date Est 10-4-73 10-4-73 Date Est 7-5/6-74 8-16-7 5 5-31-76 9-6-70 9-21 -71 9-30/ 10-1-73 4-24-7 5 10-24-74 9-2-68 5 -29-7 6 7-13-74 7-1 3-74 8-1 2-73 7-31-74 10-17-7 6 4-1 5-72 3-6-76 9-14-7 5 9-3-67 9-25-71 Date Est 11-2-75 11-15-64 9-30-62 6-1 2-7 1 Date Est 8-22-7 5 8-26-70 8-19-7 3 8-14-7 6 FAI Category Ill seems hope bringing record US FAI Indoor model record rules dont limit weight size models really upper size limit thats huge present record pretty good figure maximum 98 ceiling admit its certainly tainable 5041 figure Dick Kowaiski set FAI Cat IV last August Measuring Record Performance Duration Two timekeepers may use ordinary stop watches needed record ing barograph carried model may used unaware suitable baro graphs Other seaplanes models may either hand-launched rise off ground Models rise ground water must become airborne period exceed ing 2% total flight time engine RC models must run least 98% record time RC models must land within 500 meters launch point unless Duration record set conjunction Straight-Line Distance attempt Timers may follow model use binoculars other means proving model remained airborne Distance Straight Line Up 500 kil ometers measured official maps such may obtained US Geological Survey other US agencies Above 500 kin distance computed geographical ordinates places launching land ing maps used helpful ob tain maps beforehand plan launching landing according references map Distance Closed Course base 500 meters powered RC models 100 meters RC Gliders can established di rectly measuring steel tape Officials needed course end signal ends passing another official record number course lengths completed Speed Straight Line course may laid out direct measurement steel tape triangulation perpendicular ob servation/timing points course length 50 meters FF Rubber Power models RC Gliders 100 meters FF Piston Power models 200 meters RC powered mo dels course entry must also laid out 100 meters RC powered models 25 meters RC Gliders Powered RC models must maintain altitude between 40 meters 10 meters during both course entry actual timed course RC Gliders must exceed 20 meters altitutude during course entry actual timed course references need established offi cials can certify maintenance flight altitudes Two timekeepers really two sets timekeepers must used timepieces measuring least 1/100th second difference between times reg istered two timekeepers must ex ceed 1/50th second common method watch usage electrically rig stop watch actuation sensitive push-button switches held operated timers end course other means may also used course must flown both direc tions within one-half hour FF models may land between passes RC Control Line Speed Essentially timing same AMA Speed require ment two timers Stop watches must measure least 1/10th second difference between watch readings must exceed 2/1 Oths second Right Optical tracker Hills altitude flight electrically driven photo Walt Good lower tracker operator Maynard Hill above operates transmitter 26919-ft record Bill Watson tracker operator Below Bryce Petersens Seaplane Closed Course Distance Record holder Has HP 40 Perry Pumpcarried 72 ozs fuel burned 4 ozs 15286-mile flight Above Maynard Hill preps Catbird flight Hill holds RC Altitude Record design earlier also held Dura tion Record plane weighed 74 lbs takeoff complete about 25 ozs fuel flight terminated fuel exhaustion 26919 feet airborne receiver mounted insulated box also provid ed heaterturned 15000 feet keep radio cabin above 300 throughout WORLD RECORD Cont Altitude Height types aero modeling records height above starting point likely present prob lem approved measurement Choice must among several means specified FAI Sporting Code small barograph car ried model theodolites telemeters barograph carried full-size aircraft follows model never exceeds max imum height moiel arent aware suitable commercially available small barographs carrying model March 1967 Flying Models carried article Maynard Hill build small baro graph about 6 oz weight Most the odolites telemeters situated govern ment testing ranges however cooperation use such equipment has obtained past Barographs carrying accom panying full-size airplane may rented contacts provided AMAs parent body National Aeronautic Association using barographs also necessary calibrate instruments determine height reached 26919-ft height record Maynard Hill way determined radar Naval Weapons Laboratory Airfield DahI gren VA Hill maintained visibility con trolling model means 30-power telescope Basic Model Requirements Maximum weight fuel 11023 lbs Maximum engine size 61 cu Maximum surface area 2325 sq ins Maximum surface loading fuel FF 1638 ozs per sq ft RC 2457 ozs per sq ft CL 3276 ozs per sq ft Minimum surface loading classes 395 ozs per sq ft Projected wing area projected stabil izer area added together determine sur face area loading maximum size pur poses FAI Sporting Code rule book avail able AMA HQ $250 PAl Record Sanction Procedures Sanction fees payable advance AMA HQ set lower actual costs order encourage possible try Proce dures different clubs individuals follows Club Regional Trials sanction fee $1000 good FAI record categories number records can established under single sanction sanction ef fective requested three-day period available AMA chartered clubs trying record must have current AMA license $1 FAI stamp pay fees same CD prior flight Application made current AMA Contest Director AMA HQ using letter request regu lar Application Meet Sanction CD will mailed sanction certificate copy records section FAI Sport ing Code rule book Individual Trials sanction fee $100 sanction obtained sending fee letter request stating category record attempted AMA HQ Such sanction will granted current AMA members have $1 FAI stamp good attempts desired during calendar year issuance cat egory onlynon-transferable Individual tempts must witnessed current AMA Contest Director other officials required according particular categories Since indi vidual sanctions specify dates sites individual CD concerned must notify AMA HQ mail telephone prior attempt giving time site planned attempt mail used postmark must least five days prior attempt phone notice must given least 48 hours advance Claim Record Meet Individual record claim must made AMA HQ soon possible flight made weekend HQ must notified phone following Monday morning AMA HQ required notify FAI record claim 48 hours attempt record claimed must accompanied $20 record processing fee fee will refunded reason record accepted FAI Finally documented report record performance signed CD must sub mitted AMA within 30 days notice AMA HQ Whos Presently Trying written mid-November 32 outstanding individual sanctions FAI World Record attempts will expire December 31 1976 no doubt will renewed continuing efforts 1977 listing holding sanctions provides interesting picture FF Rubber Speed No 41 Issued Tom Vallee Speed needed 9184 mph RC Landplane Duration No 20 Separ ately issued Gerry Harkins Richard Weber Duration needed 14 hours 47 minu utes 15 seconds RC Landplane Distance Straight Line No 21 Separately issued Gerry Harkins Jack Hiner Distance needed 27132 miles RC Glider Duration No 24 Issued Christopher Adams Duration needed 26 hours 15 minutes 1 second RC Glider Distance Straight Line No 25 Separately issued Christopher Adams Jack Hiner McI ntyre-Hiner team Richard Schilling David Smith Larry Vincek Distance needed 325 miles RC Glider Height No 261 Separately sued Christopher Adams Jack Hiner Mclntyre-Hiner team Richard Schilling David Smith Larry Vincek Height needed 5088 feet RC Glider Speed No 33 Separately sued David Katagiri Ken Stuhr Speed needed assuming acceptance present tenta tive record 19204 mph RC Seaplane Duration No 48 Issued Bryce Petersen Duration needed 6 hours 25 minutes 51 seconds RC Seaplane Distance Straight Line No 49 Issued Bryce Petersen Distance need ed 1379 miles RC Seaplane Distance Closed Course No 52 Issued Bryce Petersen Distance need ed 15592 miles CL Speed 5cc Class No 28 Issued Glenn Lee Speed needed 18313 mph Indoor Duration Cat No 32a Issued Tom Vallee Duration needed 23 minutes 13 seconds Indoor Duration Cat II No 32b Issued Tom Vallee Duration needed 30 minutes 44 seconds Indoor Duration Cat Ill No 32c1 Sep arately issued James Richmond Tom Vallee Duration needed 34 minutes 15 se conds Indoor Duration Cat IV No 32d Sep arately issued Ray Harlan James Richmond Al Rohrbaugh Tom Vallee Duration needed 51 minutes 42 seconds Want join 72 Model Aviation Jack Hiner shows off RC Sailplane established Straight Line Distance Record 3186 miles 1975 Flight took just over two hours landing 135 meters spot picked X SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX ompetition News will present time time constructive thought-provoking ideas orI think Cyrano said can pro- riticisms AMA rules policies affect competitors issue has two sides CNtecs myself enemies God0 owill endeavor print viewpoints have submittedwithin limits availablecan save friendsX Co space uniqueness constructiveness timeliness good taste Determination appropri- tion Simplel Xateness publication of matters must necessity rest solely publisher1 Li o ghts presented author should necessarily construed ne up runways spectator0 AMA HO AMA officers publisher should note publication aareas reasonable distance 4rules-change policy-change idea does necessarily mean specific proposal has beentween addition place spectatorsw opresented Contest Board Executive Council appropriate committee such action isso plane taking off moving paral-0 responsibility author anyone else interested obtaining official actionlel towards themX X2 Designate pit area away inno-CO o0 cent Anyone starts runs engine RULES CHANGESwhats going happen clubs will againoutside area grounded receives w ENGINES formulate club rules event specifying censure entire club o plain bearing engines just some clubs Im always ready lend hand pit X XDuke Foxholding contests Goodyear racing saying Anyone anytime get bit 0 Fox Manufacturing Cono Rossis allowedwill due own stupidity my0 a- understand Control Line Contest I would like see some nationally stan- book stupidity natures capital of- ard seriously considering rule changes dard racing event would allow relative fenses Butto collect broken props in- w would disqualify new Combat Spe- beginner become competitive relatively nocent bystanderCasey Stengle said very 0 X cial Slow Combat Slow Rat Race short period time would also like well Include out X 0 events happen effect rules free modification long Reprinted Log newsletter me would disastrous have far spent period time dont see advantage Riley County Fliers Kansas order $200000 working up engine adding quick fills fuel shut-offs ball bearingW o0 Coand getting level performance engines racing events think $50000can have much fun racing event Xnow sales far have underwithout above would like OI need tales three events plus sport0 flyers help amortize investment andsee Slow Rat become kind racing a.CAUTIONADULTS AT PLAY 4hopefully few years make enoughevent oprofit support another new motorOur hobby/sport construction andW CoAn almost identical situation did happencontrolled flying miniature airplanes isa0 Xin 1966 put last mydemanding very unforgiving activity Er oCo pesos developing Fox 74 enginerors construction become evident very SAFETYquickly poor flight characteristics actual 0.which planned ultimate Pattern en4W ogine Almost simultaneously first de-John Giffordin-flight failures airplane Inadequacies Coliveries AMA announced henceforth topic safety Safetyfor safetyof piloting skill alto become evident equally0 quickly airplane plunges spiralX XPattern would limited 10cc 60 size en- safety familiesdive terminating cloud balsa fragments 0 Ogmat immediately 98 percent mar-I know well aware shredded MonoKote ket evaporated five years AMA rules governing flight safety also Anyone considers playing - 4money new Fox products like toknow reasonable persons orwith mens toys better stop reconsid-W 0 othink modeling well myselfat least reasonable can yeter toys cost upwards $20000 andx Co losersstay involved RC However aremany hours painstaking work Co X ure Cox Testor K & B my-times simply thinkflight have potential destrcutive energy0 0 self have supported American model activities example editor visited Mu- 30-06 rifle great deal foreign manufac- ford site Sunday what saw further misconception planet w 4-g o turer think unreasonable us scared him Scared him did re- models just isnt true planes 0 Co ask considerations turn are miniature airplanes smaller X X rules changes what effect will have Motors revved up ground direct versions full-sized machines Aerodynami- Co 0 oour capability continue serving modelersline spectators Additionally engines cally planes operate different flight sted tuned admiring circle ofregime other class airborne ye- g 4the innocent standing around Men womenhides must obey Laws aero- W o0 children lounging comfort parallel anddynamics awe different forX XTHEnot 10 yards away churning mills different sizes well different speeds oSLOW INat takeoff Hoo-Boyl earned living design-0 CL SLOW RATLets little simple arithmeticing developing supersonic airplanes 1 wooden 11 x 7 prop weight two indeed made tome modest contributions w oDr E W Schnitzerounces nylon weighs bit morethe State art trantonic dog-fighting 0 x SnellvilleGA2 sixty mill turning out 12000 rpmtechniques very low Reynolds Numbers X rules Slow Rat allow en-3Reasonable noof miniature airplane flight make area o0 gine 36 cu displacement our4So what Gifforddesign whole new ball-game Yet still 0club conjunction another club form-A 11-inch diameter computes 288 feethave image grown men playing with0 4 o ulated club rules event has since circumference their toys o CV become known Slow Rat purpose was B 12000 rpm breaks down 200 revo- Perhaps part problem ourselves X xto allow people become interested andlutions per secondWe call planes models call of-Co o participate racing event large C prop-tip moving 576 feet per ficial body Academy Model Aeronau- 0 ay money become competitive second 390 mph friendl tics stores sell kits miniature -g 4 relatively short period time From 0 Half 11 7 ounce airplanes call themselves model shops W 0rearticles model magazines knowone-sixteenth poundofficial publication AMA called ading x Xthat intent other clubs well ything lets go have systemModel Aviaiton popular maga oas illustrated some rulesone ofthat will deliver slightly 36 ft-lb/zine devoted RC called Radio Control propeller must 10x6sec impact energyModelerand onand on ing1 dont see big gain using ball bear- 5 So what Flat will cause fairly say its time knock offWedont oengine permitted AMA rulesi andnasty bruise Tip first will penetrate build models build miniature airplanes o Co going 10 miles per hour faster plain nearly three inches meat Thats what The AMA should called Academy X ing engine fact see number dis- Cant hpen Back 58 saw one-half Miniature Aeronautics its magazine Mm- Co o advantages plain bearing engine inch nylon prop go through side pan- ature Aviation 0 event has become sophisticated enough el Chew Control Line Combat continue call ourselves model4 person become competitive fracas using 35s contestant tipped ers will treated men toys say W o either has machinist know ground takeoff prop exploded its time separate men boys Co get engine fast enough competitive tell youthat Chevy rang like gong once What think X else send somebody reworked To go through Africa Sicily Omaha Reprinted Streamlines newsletter Co 0 0 With addition bearings Rhine Korea Viet Nam get Romeo Mich Radio Aero Club Mike much work Second think zapped fun-fly Kansas No way buddy Naylor editor 4 0 SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX SOAPBOX X February 1977 73 4 ES Three-timio Pre SterlingWright Iiich received OOO check Left Silver President meft Hanni featured Walt So Model Curare c-sentence su orked whome mpetitiofl s worked out full new idea substantial e art World ave us ci very best ers lud NO OCR TEXT Agnur ints ina rry Nelsontuned AENTOF Curares e de-coupi bra Speed ts 500 lots weIl-deservec f big proble. get good con hold us back mo s anything m tar no va new intricate advar judge well tnt Champions 515 problem together imp itors f Judge Doc Ed & crew Dr Ra] mann Liechter Warren Hit USA Mast ut Kirsch Austria McGinnis US/ Frank Schwa SA judges Judges er a