Radio Control OLD- TIMER Dee B Mathews SAM CHAMPS 1983 Society An tique Modelers Championships sched uled July 19-2 1 La Junta CO La Junta small city population about 8000 located near exact center southeast quarter state Sangre de Cristos range Rocky Mountains lies rougly 120 miles directly west former Air Corps field lies three miles north city has three intersecting runways 8000-ft length Field altitude 4238 ft Surrounding terrain essentially flat treeless however area exten sively irrigated canals run through along fields home famous Rocky Ford cantaloupe although harvested until later season July weather usually has very warm dry days cooler evenings Winds can range dead calm very strong depending frontal passages area dominated high pressure dome dead calm winds will prevail however low pressure passing through stationary farther downwind can anticipate 20 30 mph perhaps stronger gusts Pray high pressure Like poem weather high Plains can run very very good horrid According Wind Power Chart sent us Bob Bostrom Santa Maria CA place adjacent USA stronger daily average wind velocities Dodge City KS Rawlins-Laramie WY area just Dick Haung Ft Worth recently-constructed computer model atmospheric data La Junta found can expect lose about 25% sea-level performance model achieving 400 sec still air sea level duration will decrease about 300 sec Most 25% loss due decrease climb speed resulting power output losses air-breathing engine number used generate figure based Playboy Senior should applicable Old-Timer Heres what innards compound escape ment looked like Cam follower would sol dered wire torque rod run control surface Wiper controlled electrical circuit energize second escapement Antique design except electric-power Housing will available dorms junior college area motels Early reservations advisable latecomers likely will find accommodations although perhaps close necessary qualify way compete SAM Champs Spectators 2 lIZ TIPICAL WING SECTION ISUILO AS FLAT THEN GOD HOTTOM PART OF N B m 2 S/lO /II / I 11 7 71fl 77 777 l~fl K77 I7 IB 1FLI Designed bys PHIL KRAFT very welcome urged bring along stopwatch help out timing chores Come out join fun Membership SAM has re quired contestants past some winners have actually members Such tightwad behavior will likely allowed year BONNER VARI COMP SPEED GOVERNOR CAMPAWL CAM FOLLOWER 48 Model Aviation WINgSPAN47 TOP M 1POWEROB MAX 15 OR 19 ICASCADED BONNEt VANI-COMPS IFOR NIGHTLEFTGPOOWN S IFOR QUICK BLIP MOTOR BUILT IN INOT SHOWNIT 3 RIGHT THRUST1CONTROL S1 dlli.... Li]I II INCHES H IC0 12345675101214IN further information contact Jim Thomas 1050 Clarkson Denver CO 80218 Hal deBolt first motorized actuators Doc remembers first nylon gears hed ever seen Ad Fifties Further Maturation RC Previous columns have taken quick glimpses Ham Exam-Free eras RC de velopment month subject Continued page 152 another manufacturer 465 MHz RC gearBabcock ad 1956 MAN Multi-Servos powerful dependable motor driven R/C actuators built Worlds oldest largest producer li/C servos Developed through years i type gives best possible action sort model control Multi-Servos smallest lightest powerful actuators available yet eco nomical operate Latest types use special servo motor Nylon gears vernier brakes printed wiring MODELS ONE 1 u GREAT R EVERY PURPOSE SINGLE CHANNELBOAT SERVO 2PN rudder $1195 ZP2N auxiliary. $1195 3P8N engine . $1195 DELUXE TYPES SPNX compound action$1495 ZP2NX auxiliary . $1495 SP3NX engine control.. $1495 Model SPN gives ward reverse stop plus steering . $2495 MULTI-CHANNEL Mcli rudder aileron controls elec tronic neutral . $1895 MCE elevators engine Full partial trim $1895 Patented Number 2867394 SERVO INFO BOOKLET 25c W P rI tm THE NEWEST MOTOR FROM Fox AMERICAS LARGEST INDEPENDENT MANUFACTURER OF MODEL AIRPLANE PRODUCTS POX 19 BB Bore 650 Stroke600 Diaplacement199 RPM wIth 6-4 prop . 17000 Weight8 ConsumptIon 4 oz mm Schnuurle porting course rugged parts lots power good idle unique design feature upper cylinder casting can turned exhaust either side back rear exhaust installations Structurally Fox 19BB peer crankshaft made aircraft quality 8620 steel supported two 11mm ball bearings con rod bushed piston fully machined mehanite runs leaded steel liner 22000 Fox 19BBRC$5995 90219 Tiltdown Muffler1995 90220 TIlt-up Muffler1995 50203 Motor Mount800 Fox MFG CO 5305 TOW5ON AVt FORT SMITH ARK 72901 Hot Line 15011 646-1656 USA NIEm~3PROOUCFSINCIJEPI-U XJJ PO BOX 818 0 POTTSTOWN PA 19464 37-1231 o u TAt TACHOr4ETeu Left GMP-2001-R Regular Right CMP-2001 0 Deluxe Dealers Invited ELECTRIC RETRACTS GIEZENDANNER Two Time World Champion REGULAR RETRACTS 5/32 Pattern- Up 10 lbs HEAVY DUTY RETRACTS 3/16 ForScale-lOto 18 lbs EXTRA HEAVY DUTY RETRACTS 1/4 Big Onus 18 50 lbs retract Slip Clutch prevent jamming stripping gears ELECTRONIC DIGITAL TACHOMETERS GMP-2001-R 2001-D Visiblu Visible display ondisplay Visible low batteryVisible low battery displaydisplay 2 Bladed Only2 & 3 Bladed props W liquid display4 liquid display Crystal control ledCrystal controlled Catalog Available Ideal beginner well master flier CHARGE IT Yes have Giezendanner Wipers 3 Bladed Low-Noise Glass Filled Props Juiy 1983 49 Guess Phil Kraft winds escapement er 1959 Bi-Fli r I-li 1981c Aerooatmcunampi - ui 7 consecutive Las Vegas Tour,0 nt Champions Shown above Giezendanner GMP 2001-0 Digital Tachometer fiOiflO Made 0 yeste bo color Go GRISH No 1 propeller True helical pitch airfoil win-power 2 elade Tractor 53each 545354Uk 6364lOc 747678Uk 848688C 949697 98104106 eds 114116118 i 1241251261U 2 Blade Pusher 5 3 54 6364USc 86USc 96106i 3 Bladetractor 53 63 64 Nc 3 Blade Pusher 63USc3 Metallic AluminumBlade color Tractor Of75i 8688iu 96 06104JS Puohr106*135 Madison Ave Greensboro NC 27403 Scale team trials Trials conducted Louisville KY August require pre registry Official entry forms available AMA headquarters Entry fee $50 $25 1984 FAI Scale Team Fund $10 FAI stamp required affixed entrants AMA license Bob Dolly Wischer S-221 Lapham Peak Rd Delafleld WI 53018 RC Aerobatics/Van Putte Continued vaqe 47 other Also maneuvers rolls up line did have placement roll GRISH LARGE WOOD PROPELLERS HARDWOOD too hard minimizes zhance costly plane engine damage True pitch airfoil fully finished balanced ready coating 318 BOREALL SIZES IN18 S7 6810 12 PITCH208 2210 2413 IN 8& IOPITCH 28 S16 RIGHT HAND TRACTOR inin~ BROS OKIN ST JOHN INDIANA 46373 GET ORGANIZED tore s set ot 4 sturdy ties holds over 4 years taootge oe9armeS 4 MAG FILES $495 Send SASS pise Si 00 lot postage haedarg DOM INDMThIU PO BOX 388-K DOVER NH 03820 middle line 6 Most Stall Turns well done aircraft either vertical top turn did come close stop 7 maneuvers change heading entry exit entry exit different altitudes 8 Most loops vertical horizontal eggs ovals superimposed changes heading gave corkscrew effect viewed end 9 fliers dont know call maneuver 10 Fliers suffer downgrades poor entry exit regardless intervening maneuver 50-ft minimum entry exit necessary order establish maneuver baseline does arrive maneuver score THe AMA Judges Guide has some suggested downgrades minor defects results downgrade eight severe defect should pull down six would combination three four minor defects Any element poor positioning start maneuver also fed final score Using other suggested down grades maneuver can easily arrive score 6-75 average maneuver 8 would quite good 85-95 very good quite excep tional saw 70-75 maneuvers some 80 maneuvers very few 85-95 maneuvers personally dont believe scoring inflation realize score maneuver can vary 5 points occasionally point have agree Ricks ob servations experiences have tended confirm would add obser vation own line consistently scores higher 1-2 points per maneuver scores line will determine winners contest Some type overall quality control needed minimize effects easy set judges determined persistent chief judge monitors line can much maintain quality judging Schools held before contest can help too Thanks Rick Meland Jeff Owens valuable observations Ron Van Puue III Sleepi Oaks Rd Ft Walton Beach FL 32548 RC Old-Timers/Mathews Continued paqe 49 Multi-Control Era As began semble outline material became increasingly obvious era con voluted paralleling developments di verging directions no single column could possibly give adequate coverage numerous methods developed move control surface Basically have old genus-phylla 152 Model Aviation R PRE-BU lIT Models Magic Dragon Trainer Fire Fox Speed & Aerobatic Ship Thanks fine acceptance line models 1983 Toledo Trade Show unable attend show would appreciate opportunity send free brochure SASE Aero-Tech RIC 3850 US Highway 19 N Palm Harbor FL 33563 DEALER INQUIRIES INVITED Sizes pitches styles AT YOUR DEALER * *SAILPLANE** launching equipment histarts/wincheslaccessorieS complete line/best prices/top quality send self-addressed stamped envelope catalog/information RLF PRODUCTS R3 Box 173-V Panli IN 4745418121723-4310 roet ORIGIN Very strong tao-piece wing Scale Anen 23 lbs USE T-CRAFT Sh WIRE WHEELS 1650 en Full slOe dOtailOd plans IPPO$2500 Othe soyerb giant-scale piano tall nice 0 PT1S Ocadra Kb$2000 105 Farnar Mosquito Oaad$2400 SO Fareran Mosquito 4000 FoorcycleS1700 send cask check ormanoyylanssenl railed ay S POST orde toPAID foreign orderSado 40% rrnaildesiretlSCflSlorOeSaSe crccfl.reS 01 laylorclatl plans olferegS Portable power tot glow plugs tits n e snrrn pocket Using HeadlockTM adapter allows stay plug get propeller Snobargeahln up 1000 times 90 day warranty No morn bulky ballerina cabins Order NI-STARTER either 110 220 12 volt fast charger Instroctions included Also anailohln charger Sne yasr dealer ar ordnr direct us Visa ft Mastercard acoeptnd Please spncify typo charger Add $150 postage IUSAI NI-HI1118 n. $2195 NI-fIL-lE 226 e. 8219$ NI-HI-1A 120 odap. $2195NI-HL-1-NC No charger $1280 13S66 Olondundon l4ertdon VA 22011 USA 752-425-Rag$ Therefore have elected limit months column use mechanical devices single-channel equipment cluded line development compound cascaded escapements driven rubber strip electricmotor-driven devices manufacturers such Bonner Citizenship Babcock Berkeley mar keted escapements Basically worked counting number on-off pulses pilot blipped transmitter key Such push-and-hold gave right full rudder two quick blips-and-hold gave full left three gave up etc Down elevator came up next time switch give two three hold rather imperative develop good memory order know control used last Motor control via throttles know today rather choking intake switching high low needle valve Available power rubber-driven es capements always problem needed use great care creating drag-free linkages free hinges Sewn-thread hinges popular can de tect beginnings today tend hinge much loosely other builders Im still uneasy surface wont fall down freely assembly flipped over Markedly-increased power became avail able introduction motordriven escapement units such deBolt Multi-Servos employed cams moved surface opened closed switch actuate another auxiliary unit other words 3PN servos three positions plus neutral between Ut could rigged push control rod fore aft third position switching 2P3N motor elevator control Early units used brass gears inclined jam however Pappy developed first models era Equally confusing evolution model designs multi-surface era Alex Schneiderwon 1952 Los Alamitos Nats 5-channel Rockwood reed unit highly-modified Capital eight-ft Cub yet next years Nats won Jack Port using singlechannel rudder-only HI Q Port father Controlaire Radio has evolved World Engines Radio today Kit designs included deBolts Live Wire series Lew Andrews Trixter Beam Berkeleys Hollinger Cub Royal Rud derbug Bootstraps Included group what perceive longest continuously-available RC kit erlings Tn-Pacer Equally much novelty originality evident model designs era RC equipment find con siderable difficulty selecting design represent dawning multi-surface July 1983 153 species sort situation Some developersnylon gears writer ever saw using electromechanical devices units became remarkably reliable power single-channel equipment others ful course weight battery require utilizing complex expensive tuned ments fell slight bit short contemporary reeds same time kicking duck galmicro-equipment nothing pro loping ghost myriad variations portional being developed others ul timate might model entered Nats Vernon McNabb ceiver 27 MHz rudder another Citizenship receiver 465 MHz elevator guess wasnt multi-channel just multifrequency RIC MODEL TRANSPORTER Compact Versatile Durable Hauls 2 planes plus gear equipment will need $570 yield customize inside hangers tool box etc meet O0OO need woo Si 4 10030 Orglr Maintnano F,O Aluminum Eti o Wood woo COostocrjoe SWeI Roofing Ge Offered Two Sizes Quadra 60 Quarter Scale Quadra type Engines 96/ Span 2 Scale Far 60 Engines 64/ Span 1000 Sq Quarter Scale Plan Set $3250 2 Scale Plan $1850 Please sod $250 Postage & Hand mg Other designs available too seed $tgg tsr Cataog Partial Kits offered tor desigos simplify Psi gieg I. P1845 Street Ft Liuderdile FL 33309 13051 491-6175 ~NEER1NG TIlE LANOING GEAR PEOPtE Tirud tf kit luodiog goars tAil UttI Ill biggie property o & 0 Etigittueriog con solvo problems * Cuotoot built moods & specs goorioteed lit * Struog & durable wilkotood tougheot boding * 0 & II Eogioeeriog geor will work & keep biggie tlyiog * In stock replacemeol gear tsr moot popular models Byron Pitto Chrislue Eagle CAP 21 Balso USA J-3 CUB Air Tech Pownue sod Eagle Nusen Big Stick Champ Citobtin B & II models Stopper Stinger ond Soapper Too X-HAIJL ER PO Box 185 Constantine MI 49042 Cdt 616 435-6805 NEW FOURMOST PRODUCTS Bulk head Fitting simple method feed fuel vent tubes through solid bulkheads Drill hole No 18 drill size bulkhead firewall up thIck Provides sealed N tank compartment N eliminates fuel line chaffing Color coded easy Identification * MOULDED NYLON FUELPROOF Weight /2GM EACH Size 3/32 10 PRICE 2for $250 FOURMOST PRODUCT& Bomb Release Fourmost Bombreiease mechanism simpie light weight device ideal fun-fly events Fasten unit plane screws provided Attach springloaded latch thread connect throttle rudder servo Corrosion problem unit molded nylon spring stalniess Weight 1/10 OUNCE PRICE $250 4040 24th Ave Forest Grove OR 97116503 357-2732 F LL OLOR EXACT REPRODUCTIONEnglands Finest ainnuhm P-40 CARD KITPAW DIESELS NOW 00 REMEMBER HOW049 29 New low low prices ONLYWELL THEY FLEW SoII oe Inokdo ooopon raxalolngSend $100 list SmilEric Clutton 3816 DeSoto Ave bafono 01 001 01 hoN pdo Sond OUS NOSTALGIC GIFTFort Myers Florida 22905 era lovely interesting designs kitted and/or published After days consideration have selected Phil Krafts Bi-Fli MAN October 1959 reasoned represents nearly ultimate development cascaded compound-escapement flying majority contestant flying multi-channel reed 1959 design capable inside outside loops inverted flight spinsall singlechannel receiver Bi-Fli novel being bipe used aerodynamic balances control surfaces low-powered rubber-driven escapements needed help could get Kraft evolved design through least three prototypes ranging 37-oz. K&B 09-powered version 1000 sq monster need look construction photo silkcovered gem detect Krafts Free Flight background first Flis Free Flight designs published Kraft anticipation blizzard inquiries no have full-size drawings model Should some reader have would gladly borrow make copies return have awful urge de velop modern version design should enough interest expressed Errata March 1983 column erred stating Citizenship manu facturer equipment 465 MHz As ad shows Babcock sold units four years later August 1956 have reproduced ad since equipment represented state art year single-channel twochannel receivers among first use transistors hermetically-sealed relays military contractor nature Babcock clearly evident ruggedness designs BCR-7 two-channel unit its attached battery weighed 10 oz Unlike Citizenship equipment 465 Babcock units tone-modulated signal signals transmitter tuned specific tone like B flat such least theory receiver would respond other tone its frequency principle tonemodulation become key concept used multi-channel reed units being developed Rockwood West Coast Schmidt East about reeds next column Lorenz McEntee etc As reader has perceived explosive development elec tronics mechanics rule between 1950 1960 interest always riv eted monthly columns MAN Ed Lorenz Amen can Modeler Howard MeEntee Nearly issue brought new wrinkle some helpful ideas reports activities around world Lorenz Radio Control News March 1959 MAN featured schematic layout drawings single tube IAG4 relay tone receiver Ed described best have seen sensitive nondrifting highly se lective~ states built op eration perfect first time hooked up recommendation highly-regarded Ed Lorenz plus excellent reports field made receiver popular Ace Radio made parts package available constructors August 1959 Now far nothing too unusual applies development other units such Marcy Lorenzs own two-tuber etc also available kit form Ace What does make particular receiver no table its designer il Kraft Check dates see Kraft name didnt 154 Model Aviation T94 ~GRAT LAK5 GONTROLIKI TEND PROFILE0COMBA RA T WIDE & NARROW WEDGE 15 -- 6 oz Capacities UNIFLOW & STINID Custom Dimni Fulls Ingredients detailed brochure50C stamps/check oni CAROLINA-TAFFINDER 8345 Delhi Road Charleston Hgta SC 29405 803-553-7169 REALISM RAER GEE B FINE QUALITY PLASTIC DISPLAY MODELS PILOTS WHEELS CYLINDERS ENGINE KITS MACHINE GUN KITS SEND $1 FOR $1LtIJ COMPLETE CATALOG DEPT MA 181 PAWNEE ST SAN MARCOS Co 92069 Ciassic R/C Scale 40 Wing 15 25 Engines Dealers & Distributors Welcomed Phone 703 273 9593 FLYLINE MODELS INC PO Boo 2136 Fairfax Virgnra 22031 u 5 Engines RadIos Mufflers Custom Carburetors Gyros SUPER MINI-BOY VIDEO MINIATURE AIRCRAFT SUPPLY BRINGS YOU ANOTHER HELICOPTER FIRST ProfessIonally produced video takes workshop professionally build set up flight trim mini-boy Includes step step building parts Iden tification mechanical operational walk through radio installation balancing bench setup operational flight trimming aerobatics video better having someone else build Mini-Boy Video produced Mike Mas National Helicopter Champion Available ary 1983 BETA VHS WE CAN SUPPLY ALL OF YOUR HELICOPTER NEEDS AT UNBEATABLE PRICES worlds Strongest Epoxy Glues Training Stands Mini-Boy Competition Pack Wide-Landing Gear Training Aids Float Kits Video Cassettes Helicopter Tools MOVE UP TO SCHLUTER See Dealer Call MINIATURE AIRCRAFT SUPPLY 2594 North Orange Blossom Trail ndo FL 32804 e 305 4221531 appear radio units until late decade yet acceptance receiver transmitter published next month later assembled units sold through Ace established name Kraft Truly American success story Although Kraft hardly pioneer RC name eventually became synonymous sport Dee B Mathews 506 South Walnut Greensburg KS 67054 RC Giant Scale/Beckman Continued oaoe 51 photos month aircraft built what consider PLANS de signers involved good ones around opinion among very best Getting started recently got letter Israeli Control Line modeler inter ested getting Giant Scale prob lems really much different other newcomer delightful mania thought answer would worth pass ing Dear i3oaz Thank interest ing letter photos CL model apply kind workmanship Giant Scale efforts youll real credit branch hobby Answering questions presents bit problem fact proper answer everything mentioned letter would very complete book building Giant Scale aircraft As turns out already some books available First Dick Phillips writes Big Beautiful column RCM has put together very useful building large models think price $1000 Write Dick Phillips 9 Geneva Crescent St Al bert Alberta Canada T8N 0Z3 Next Model Airplane News recently put out special Giant Scale called Giant Steps has lot good information general building techniques should able get anyplace can buy MAN write Model Airplane News 837 Post Road Darien CT 06820 finally have written book titled Building Flying Giant Scale Radio Con trol Aircraft Kaimbach Publishing Co will bringing out early June price will less $15 will able buy hobby stores cant find write Ill see get copy Unfortunately has much information converting engines am working engine book will some time before available Ill try answer couple engine related ques tions went answer some specific questions asked point lot people out lot questions know other columnists think Old DAD Dick Al Don get letters like also just cant answer CAP 21 * Flown M les Reed air show IMAA Nat onals Ida Grove IA 88wing span 1232 sq 16-18 lbs engine 20-31 Plans S20 CAP 201 84 wing span 1272 sq 16-18 lbs engine 20-31Plans S20 TEMPEST 86 wing span 1420 sq 18-20 lbs engine 24-37Plans S25 RV3 * 86 wing span 1638 sq 17-19 lbs engine 20-31Plans SZO R C Garmhausen 2715 Maple Ave NIE Canton OH 44714 *R3 CAP 21 pre-assembled kits available Write information July 1983 155 ORDER YOUR VIDEO NOW 5 Plus Shipping
Edition: Model Aviation - 1983/07
Page Numbers: 48, 49, 152, 153, 154, 155
Radio Control OLD- TIMER Dee B Mathews SAM CHAMPS 1983 Society An tique Modelers Championships sched uled July 19-2 1 La Junta CO La Junta small city population about 8000 located near exact center southeast quarter state Sangre de Cristos range Rocky Mountains lies rougly 120 miles directly west former Air Corps field lies three miles north city has three intersecting runways 8000-ft length Field altitude 4238 ft Surrounding terrain essentially flat treeless however area exten sively irrigated canals run through along fields home famous Rocky Ford cantaloupe although harvested until later season July weather usually has very warm dry days cooler evenings Winds can range dead calm very strong depending frontal passages area dominated high pressure dome dead calm winds will prevail however low pressure passing through stationary farther downwind can anticipate 20 30 mph perhaps stronger gusts Pray high pressure Like poem weather high Plains can run very very good horrid According Wind Power Chart sent us Bob Bostrom Santa Maria CA place adjacent USA stronger daily average wind velocities Dodge City KS Rawlins-Laramie WY area just Dick Haung Ft Worth recently-constructed computer model atmospheric data La Junta found can expect lose about 25% sea-level performance model achieving 400 sec still air sea level duration will decrease about 300 sec Most 25% loss due decrease climb speed resulting power output losses air-breathing engine number used generate figure based Playboy Senior should applicable Old-Timer Heres what innards compound escape ment looked like Cam follower would sol dered wire torque rod run control surface Wiper controlled electrical circuit energize second escapement Antique design except electric-power Housing will available dorms junior college area motels Early reservations advisable latecomers likely will find accommodations although perhaps close necessary qualify way compete SAM Champs Spectators 2 lIZ TIPICAL WING SECTION ISUILO AS FLAT THEN GOD HOTTOM PART OF N B m 2 S/lO /II / I 11 7 71fl 77 777 l~fl K77 I7 IB 1FLI Designed bys PHIL KRAFT very welcome urged bring along stopwatch help out timing chores Come out join fun Membership SAM has re quired contestants past some winners have actually members Such tightwad behavior will likely allowed year BONNER VARI COMP SPEED GOVERNOR CAMPAWL CAM FOLLOWER 48 Model Aviation WINgSPAN47 TOP M 1POWEROB MAX 15 OR 19 ICASCADED BONNEt VANI-COMPS IFOR NIGHTLEFTGPOOWN S IFOR QUICK BLIP MOTOR BUILT IN INOT SHOWNIT 3 RIGHT THRUST1CONTROL S1 dlli.... Li]I II INCHES H IC0 12345675101214IN further information contact Jim Thomas 1050 Clarkson Denver CO 80218 Hal deBolt first motorized actuators Doc remembers first nylon gears hed ever seen Ad Fifties Further Maturation RC Previous columns have taken quick glimpses Ham Exam-Free eras RC de velopment month subject Continued page 152 another manufacturer 465 MHz RC gearBabcock ad 1956 MAN Multi-Servos powerful dependable motor driven R/C actuators built Worlds oldest largest producer li/C servos Developed through years i type gives best possible action sort model control Multi-Servos smallest lightest powerful actuators available yet eco nomical operate Latest types use special servo motor Nylon gears vernier brakes printed wiring MODELS ONE 1 u GREAT R EVERY PURPOSE SINGLE CHANNELBOAT SERVO 2PN rudder $1195 ZP2N auxiliary. $1195 3P8N engine . $1195 DELUXE TYPES SPNX compound action$1495 ZP2NX auxiliary . $1495 SP3NX engine control.. $1495 Model SPN gives ward reverse stop plus steering . $2495 MULTI-CHANNEL Mcli rudder aileron controls elec tronic neutral . $1895 MCE elevators engine Full partial trim $1895 Patented Number 2867394 SERVO INFO BOOKLET 25c W P rI tm THE NEWEST MOTOR FROM Fox AMERICAS LARGEST INDEPENDENT MANUFACTURER OF MODEL AIRPLANE PRODUCTS POX 19 BB Bore 650 Stroke600 Diaplacement199 RPM wIth 6-4 prop . 17000 Weight8 ConsumptIon 4 oz mm Schnuurle porting course rugged parts lots power good idle unique design feature upper cylinder casting can turned exhaust either side back rear exhaust installations Structurally Fox 19BB peer crankshaft made aircraft quality 8620 steel supported two 11mm ball bearings con rod bushed piston fully machined mehanite runs leaded steel liner 22000 Fox 19BBRC$5995 90219 Tiltdown Muffler1995 90220 TIlt-up Muffler1995 50203 Motor Mount800 Fox MFG CO 5305 TOW5ON AVt FORT SMITH ARK 72901 Hot Line 15011 646-1656 USA NIEm~3PROOUCFSINCIJEPI-U XJJ PO BOX 818 0 POTTSTOWN PA 19464 37-1231 o u TAt TACHOr4ETeu Left GMP-2001-R Regular Right CMP-2001 0 Deluxe Dealers Invited ELECTRIC RETRACTS GIEZENDANNER Two Time World Champion REGULAR RETRACTS 5/32 Pattern- Up 10 lbs HEAVY DUTY RETRACTS 3/16 ForScale-lOto 18 lbs EXTRA HEAVY DUTY RETRACTS 1/4 Big Onus 18 50 lbs retract Slip Clutch prevent jamming stripping gears ELECTRONIC DIGITAL TACHOMETERS GMP-2001-R 2001-D Visiblu Visible display ondisplay Visible low batteryVisible low battery displaydisplay 2 Bladed Only2 & 3 Bladed props W liquid display4 liquid display Crystal control ledCrystal controlled Catalog Available Ideal beginner well master flier CHARGE IT Yes have Giezendanner Wipers 3 Bladed Low-Noise Glass Filled Props Juiy 1983 49 Guess Phil Kraft winds escapement er 1959 Bi-Fli r I-li 1981c Aerooatmcunampi - ui 7 consecutive Las Vegas Tour,0 nt Champions Shown above Giezendanner GMP 2001-0 Digital Tachometer fiOiflO Made 0 yeste bo color Go GRISH No 1 propeller True helical pitch airfoil win-power 2 elade Tractor 53each 545354Uk 6364lOc 747678Uk 848688C 949697 98104106 eds 114116118 i 1241251261U 2 Blade Pusher 5 3 54 6364USc 86USc 96106i 3 Bladetractor 53 63 64 Nc 3 Blade Pusher 63USc3 Metallic AluminumBlade color Tractor Of75i 8688iu 96 06104JS Puohr106*135 Madison Ave Greensboro NC 27403 Scale team trials Trials conducted Louisville KY August require pre registry Official entry forms available AMA headquarters Entry fee $50 $25 1984 FAI Scale Team Fund $10 FAI stamp required affixed entrants AMA license Bob Dolly Wischer S-221 Lapham Peak Rd Delafleld WI 53018 RC Aerobatics/Van Putte Continued vaqe 47 other Also maneuvers rolls up line did have placement roll GRISH LARGE WOOD PROPELLERS HARDWOOD too hard minimizes zhance costly plane engine damage True pitch airfoil fully finished balanced ready coating 318 BOREALL SIZES IN18 S7 6810 12 PITCH208 2210 2413 IN 8& IOPITCH 28 S16 RIGHT HAND TRACTOR inin~ BROS OKIN ST JOHN INDIANA 46373 GET ORGANIZED tore s set ot 4 sturdy ties holds over 4 years taootge oe9armeS 4 MAG FILES $495 Send SASS pise Si 00 lot postage haedarg DOM INDMThIU PO BOX 388-K DOVER NH 03820 middle line 6 Most Stall Turns well done aircraft either vertical top turn did come close stop 7 maneuvers change heading entry exit entry exit different altitudes 8 Most loops vertical horizontal eggs ovals superimposed changes heading gave corkscrew effect viewed end 9 fliers dont know call maneuver 10 Fliers suffer downgrades poor entry exit regardless intervening maneuver 50-ft minimum entry exit necessary order establish maneuver baseline does arrive maneuver score THe AMA Judges Guide has some suggested downgrades minor defects results downgrade eight severe defect should pull down six would combination three four minor defects Any element poor positioning start maneuver also fed final score Using other suggested down grades maneuver can easily arrive score 6-75 average maneuver 8 would quite good 85-95 very good quite excep tional saw 70-75 maneuvers some 80 maneuvers very few 85-95 maneuvers personally dont believe scoring inflation realize score maneuver can vary 5 points occasionally point have agree Ricks ob servations experiences have tended confirm would add obser vation own line consistently scores higher 1-2 points per maneuver scores line will determine winners contest Some type overall quality control needed minimize effects easy set judges determined persistent chief judge monitors line can much maintain quality judging Schools held before contest can help too Thanks Rick Meland Jeff Owens valuable observations Ron Van Puue III Sleepi Oaks Rd Ft Walton Beach FL 32548 RC Old-Timers/Mathews Continued paqe 49 Multi-Control Era As began semble outline material became increasingly obvious era con voluted paralleling developments di verging directions no single column could possibly give adequate coverage numerous methods developed move control surface Basically have old genus-phylla 152 Model Aviation R PRE-BU lIT Models Magic Dragon Trainer Fire Fox Speed & Aerobatic Ship Thanks fine acceptance line models 1983 Toledo Trade Show unable attend show would appreciate opportunity send free brochure SASE Aero-Tech RIC 3850 US Highway 19 N Palm Harbor FL 33563 DEALER INQUIRIES INVITED Sizes pitches styles AT YOUR DEALER * *SAILPLANE** launching equipment histarts/wincheslaccessorieS complete line/best prices/top quality send self-addressed stamped envelope catalog/information RLF PRODUCTS R3 Box 173-V Panli IN 4745418121723-4310 roet ORIGIN Very strong tao-piece wing Scale Anen 23 lbs USE T-CRAFT Sh WIRE WHEELS 1650 en Full slOe dOtailOd plans IPPO$2500 Othe soyerb giant-scale piano tall nice 0 PT1S Ocadra Kb$2000 105 Farnar Mosquito Oaad$2400 SO Fareran Mosquito 4000 FoorcycleS1700 send cask check ormanoyylanssenl railed ay S POST orde toPAID foreign orderSado 40% rrnaildesiretlSCflSlorOeSaSe crccfl.reS 01 laylorclatl plans olferegS Portable power tot glow plugs tits n e snrrn pocket Using HeadlockTM adapter allows stay plug get propeller Snobargeahln up 1000 times 90 day warranty No morn bulky ballerina cabins Order NI-STARTER either 110 220 12 volt fast charger Instroctions included Also anailohln charger Sne yasr dealer ar ordnr direct us Visa ft Mastercard acoeptnd Please spncify typo charger Add $150 postage IUSAI NI-HI1118 n. $2195 NI-fIL-lE 226 e. 8219$ NI-HI-1A 120 odap. $2195NI-HL-1-NC No charger $1280 13S66 Olondundon l4ertdon VA 22011 USA 752-425-Rag$ Therefore have elected limit months column use mechanical devices single-channel equipment cluded line development compound cascaded escapements driven rubber strip electricmotor-driven devices manufacturers such Bonner Citizenship Babcock Berkeley mar keted escapements Basically worked counting number on-off pulses pilot blipped transmitter key Such push-and-hold gave right full rudder two quick blips-and-hold gave full left three gave up etc Down elevator came up next time switch give two three hold rather imperative develop good memory order know control used last Motor control via throttles know today rather choking intake switching high low needle valve Available power rubber-driven es capements always problem needed use great care creating drag-free linkages free hinges Sewn-thread hinges popular can de tect beginnings today tend hinge much loosely other builders Im still uneasy surface wont fall down freely assembly flipped over Markedly-increased power became avail able introduction motordriven escapement units such deBolt Multi-Servos employed cams moved surface opened closed switch actuate another auxiliary unit other words 3PN servos three positions plus neutral between Ut could rigged push control rod fore aft third position switching 2P3N motor elevator control Early units used brass gears inclined jam however Pappy developed first models era Equally confusing evolution model designs multi-surface era Alex Schneiderwon 1952 Los Alamitos Nats 5-channel Rockwood reed unit highly-modified Capital eight-ft Cub yet next years Nats won Jack Port using singlechannel rudder-only HI Q Port father Controlaire Radio has evolved World Engines Radio today Kit designs included deBolts Live Wire series Lew Andrews Trixter Beam Berkeleys Hollinger Cub Royal Rud derbug Bootstraps Included group what perceive longest continuously-available RC kit erlings Tn-Pacer Equally much novelty originality evident model designs era RC equipment find con siderable difficulty selecting design represent dawning multi-surface July 1983 153 species sort situation Some developersnylon gears writer ever saw using electromechanical devices units became remarkably reliable power single-channel equipment others ful course weight battery require utilizing complex expensive tuned ments fell slight bit short contemporary reeds same time kicking duck galmicro-equipment nothing pro loping ghost myriad variations portional being developed others ul timate might model entered Nats Vernon McNabb ceiver 27 MHz rudder another Citizenship receiver 465 MHz elevator guess wasnt multi-channel just multifrequency RIC MODEL TRANSPORTER Compact Versatile Durable Hauls 2 planes plus gear equipment will need $570 yield customize inside hangers tool box etc meet O0OO need woo Si 4 10030 Orglr Maintnano F,O Aluminum Eti o Wood woo COostocrjoe SWeI Roofing Ge Offered Two Sizes Quadra 60 Quarter Scale Quadra type Engines 96/ Span 2 Scale Far 60 Engines 64/ Span 1000 Sq Quarter Scale Plan Set $3250 2 Scale Plan $1850 Please sod $250 Postage & Hand mg Other designs available too seed $tgg tsr Cataog Partial Kits offered tor desigos simplify Psi gieg I. P1845 Street Ft Liuderdile FL 33309 13051 491-6175 ~NEER1NG TIlE LANOING GEAR PEOPtE Tirud tf kit luodiog goars tAil UttI Ill biggie property o & 0 Etigittueriog con solvo problems * Cuotoot built moods & specs goorioteed lit * Struog & durable wilkotood tougheot boding * 0 & II Eogioeeriog geor will work & keep biggie tlyiog * In stock replacemeol gear tsr moot popular models Byron Pitto Chrislue Eagle CAP 21 Balso USA J-3 CUB Air Tech Pownue sod Eagle Nusen Big Stick Champ Citobtin B & II models Stopper Stinger ond Soapper Too X-HAIJL ER PO Box 185 Constantine MI 49042 Cdt 616 435-6805 NEW FOURMOST PRODUCTS Bulk head Fitting simple method feed fuel vent tubes through solid bulkheads Drill hole No 18 drill size bulkhead firewall up thIck Provides sealed N tank compartment N eliminates fuel line chaffing Color coded easy Identification * MOULDED NYLON FUELPROOF Weight /2GM EACH Size 3/32 10 PRICE 2for $250 FOURMOST PRODUCT& Bomb Release Fourmost Bombreiease mechanism simpie light weight device ideal fun-fly events Fasten unit plane screws provided Attach springloaded latch thread connect throttle rudder servo Corrosion problem unit molded nylon spring stalniess Weight 1/10 OUNCE PRICE $250 4040 24th Ave Forest Grove OR 97116503 357-2732 F LL OLOR EXACT REPRODUCTIONEnglands Finest ainnuhm P-40 CARD KITPAW DIESELS NOW 00 REMEMBER HOW049 29 New low low prices ONLYWELL THEY FLEW SoII oe Inokdo ooopon raxalolngSend $100 list SmilEric Clutton 3816 DeSoto Ave bafono 01 001 01 hoN pdo Sond OUS NOSTALGIC GIFTFort Myers Florida 22905 era lovely interesting designs kitted and/or published After days consideration have selected Phil Krafts Bi-Fli MAN October 1959 reasoned represents nearly ultimate development cascaded compound-escapement flying majority contestant flying multi-channel reed 1959 design capable inside outside loops inverted flight spinsall singlechannel receiver Bi-Fli novel being bipe used aerodynamic balances control surfaces low-powered rubber-driven escapements needed help could get Kraft evolved design through least three prototypes ranging 37-oz. K&B 09-powered version 1000 sq monster need look construction photo silkcovered gem detect Krafts Free Flight background first Flis Free Flight designs published Kraft anticipation blizzard inquiries no have full-size drawings model Should some reader have would gladly borrow make copies return have awful urge de velop modern version design should enough interest expressed Errata March 1983 column erred stating Citizenship manu facturer equipment 465 MHz As ad shows Babcock sold units four years later August 1956 have reproduced ad since equipment represented state art year single-channel twochannel receivers among first use transistors hermetically-sealed relays military contractor nature Babcock clearly evident ruggedness designs BCR-7 two-channel unit its attached battery weighed 10 oz Unlike Citizenship equipment 465 Babcock units tone-modulated signal signals transmitter tuned specific tone like B flat such least theory receiver would respond other tone its frequency principle tonemodulation become key concept used multi-channel reed units being developed Rockwood West Coast Schmidt East about reeds next column Lorenz McEntee etc As reader has perceived explosive development elec tronics mechanics rule between 1950 1960 interest always riv eted monthly columns MAN Ed Lorenz Amen can Modeler Howard MeEntee Nearly issue brought new wrinkle some helpful ideas reports activities around world Lorenz Radio Control News March 1959 MAN featured schematic layout drawings single tube IAG4 relay tone receiver Ed described best have seen sensitive nondrifting highly se lective~ states built op eration perfect first time hooked up recommendation highly-regarded Ed Lorenz plus excellent reports field made receiver popular Ace Radio made parts package available constructors August 1959 Now far nothing too unusual applies development other units such Marcy Lorenzs own two-tuber etc also available kit form Ace What does make particular receiver no table its designer il Kraft Check dates see Kraft name didnt 154 Model Aviation T94 ~GRAT LAK5 GONTROLIKI TEND PROFILE0COMBA RA T WIDE & NARROW WEDGE 15 -- 6 oz Capacities UNIFLOW & STINID Custom Dimni Fulls Ingredients detailed brochure50C stamps/check oni CAROLINA-TAFFINDER 8345 Delhi Road Charleston Hgta SC 29405 803-553-7169 REALISM RAER GEE B FINE QUALITY PLASTIC DISPLAY MODELS PILOTS WHEELS CYLINDERS ENGINE KITS MACHINE GUN KITS SEND $1 FOR $1LtIJ COMPLETE CATALOG DEPT MA 181 PAWNEE ST SAN MARCOS Co 92069 Ciassic R/C Scale 40 Wing 15 25 Engines Dealers & Distributors Welcomed Phone 703 273 9593 FLYLINE MODELS INC PO Boo 2136 Fairfax Virgnra 22031 u 5 Engines RadIos Mufflers Custom Carburetors Gyros SUPER MINI-BOY VIDEO MINIATURE AIRCRAFT SUPPLY BRINGS YOU ANOTHER HELICOPTER FIRST ProfessIonally produced video takes workshop professionally build set up flight trim mini-boy Includes step step building parts Iden tification mechanical operational walk through radio installation balancing bench setup operational flight trimming aerobatics video better having someone else build Mini-Boy Video produced Mike Mas National Helicopter Champion Available ary 1983 BETA VHS WE CAN SUPPLY ALL OF YOUR HELICOPTER NEEDS AT UNBEATABLE PRICES worlds Strongest Epoxy Glues Training Stands Mini-Boy Competition Pack Wide-Landing Gear Training Aids Float Kits Video Cassettes Helicopter Tools MOVE UP TO SCHLUTER See Dealer Call MINIATURE AIRCRAFT SUPPLY 2594 North Orange Blossom Trail ndo FL 32804 e 305 4221531 appear radio units until late decade yet acceptance receiver transmitter published next month later assembled units sold through Ace established name Kraft Truly American success story Although Kraft hardly pioneer RC name eventually became synonymous sport Dee B Mathews 506 South Walnut Greensburg KS 67054 RC Giant Scale/Beckman Continued oaoe 51 photos month aircraft built what consider PLANS de signers involved good ones around opinion among very best Getting started recently got letter Israeli Control Line modeler inter ested getting Giant Scale prob lems really much different other newcomer delightful mania thought answer would worth pass ing Dear i3oaz Thank interest ing letter photos CL model apply kind workmanship Giant Scale efforts youll real credit branch hobby Answering questions presents bit problem fact proper answer everything mentioned letter would very complete book building Giant Scale aircraft As turns out already some books available First Dick Phillips writes Big Beautiful column RCM has put together very useful building large models think price $1000 Write Dick Phillips 9 Geneva Crescent St Al bert Alberta Canada T8N 0Z3 Next Model Airplane News recently put out special Giant Scale called Giant Steps has lot good information general building techniques should able get anyplace can buy MAN write Model Airplane News 837 Post Road Darien CT 06820 finally have written book titled Building Flying Giant Scale Radio Con trol Aircraft Kaimbach Publishing Co will bringing out early June price will less $15 will able buy hobby stores cant find write Ill see get copy Unfortunately has much information converting engines am working engine book will some time before available Ill try answer couple engine related ques tions went answer some specific questions asked point lot people out lot questions know other columnists think Old DAD Dick Al Don get letters like also just cant answer CAP 21 * Flown M les Reed air show IMAA Nat onals Ida Grove IA 88wing span 1232 sq 16-18 lbs engine 20-31 Plans S20 CAP 201 84 wing span 1272 sq 16-18 lbs engine 20-31Plans S20 TEMPEST 86 wing span 1420 sq 18-20 lbs engine 24-37Plans S25 RV3 * 86 wing span 1638 sq 17-19 lbs engine 20-31Plans SZO R C Garmhausen 2715 Maple Ave NIE Canton OH 44714 *R3 CAP 21 pre-assembled kits available Write information July 1983 155 ORDER YOUR VIDEO NOW 5 Plus Shipping
Edition: Model Aviation - 1983/07
Page Numbers: 48, 49, 152, 153, 154, 155
Radio Control OLD- TIMER Dee B Mathews SAM CHAMPS 1983 Society An tique Modelers Championships sched uled July 19-2 1 La Junta CO La Junta small city population about 8000 located near exact center southeast quarter state Sangre de Cristos range Rocky Mountains lies rougly 120 miles directly west former Air Corps field lies three miles north city has three intersecting runways 8000-ft length Field altitude 4238 ft Surrounding terrain essentially flat treeless however area exten sively irrigated canals run through along fields home famous Rocky Ford cantaloupe although harvested until later season July weather usually has very warm dry days cooler evenings Winds can range dead calm very strong depending frontal passages area dominated high pressure dome dead calm winds will prevail however low pressure passing through stationary farther downwind can anticipate 20 30 mph perhaps stronger gusts Pray high pressure Like poem weather high Plains can run very very good horrid According Wind Power Chart sent us Bob Bostrom Santa Maria CA place adjacent USA stronger daily average wind velocities Dodge City KS Rawlins-Laramie WY area just Dick Haung Ft Worth recently-constructed computer model atmospheric data La Junta found can expect lose about 25% sea-level performance model achieving 400 sec still air sea level duration will decrease about 300 sec Most 25% loss due decrease climb speed resulting power output losses air-breathing engine number used generate figure based Playboy Senior should applicable Old-Timer Heres what innards compound escape ment looked like Cam follower would sol dered wire torque rod run control surface Wiper controlled electrical circuit energize second escapement Antique design except electric-power Housing will available dorms junior college area motels Early reservations advisable latecomers likely will find accommodations although perhaps close necessary qualify way compete SAM Champs Spectators 2 lIZ TIPICAL WING SECTION ISUILO AS FLAT THEN GOD HOTTOM PART OF N B m 2 S/lO /II / I 11 7 71fl 77 777 l~fl K77 I7 IB 1FLI Designed bys PHIL KRAFT very welcome urged bring along stopwatch help out timing chores Come out join fun Membership SAM has re quired contestants past some winners have actually members Such tightwad behavior will likely allowed year BONNER VARI COMP SPEED GOVERNOR CAMPAWL CAM FOLLOWER 48 Model Aviation WINgSPAN47 TOP M 1POWEROB MAX 15 OR 19 ICASCADED BONNEt VANI-COMPS IFOR NIGHTLEFTGPOOWN S IFOR QUICK BLIP MOTOR BUILT IN INOT SHOWNIT 3 RIGHT THRUST1CONTROL S1 dlli.... Li]I II INCHES H IC0 12345675101214IN further information contact Jim Thomas 1050 Clarkson Denver CO 80218 Hal deBolt first motorized actuators Doc remembers first nylon gears hed ever seen Ad Fifties Further Maturation RC Previous columns have taken quick glimpses Ham Exam-Free eras RC de velopment month subject Continued page 152 another manufacturer 465 MHz RC gearBabcock ad 1956 MAN Multi-Servos powerful dependable motor driven R/C actuators built Worlds oldest largest producer li/C servos Developed through years i type gives best possible action sort model control Multi-Servos smallest lightest powerful actuators available yet eco nomical operate Latest types use special servo motor Nylon gears vernier brakes printed wiring MODELS ONE 1 u GREAT R EVERY PURPOSE SINGLE CHANNELBOAT SERVO 2PN rudder $1195 ZP2N auxiliary. $1195 3P8N engine . $1195 DELUXE TYPES SPNX compound action$1495 ZP2NX auxiliary . $1495 SP3NX engine control.. $1495 Model SPN gives ward reverse stop plus steering . $2495 MULTI-CHANNEL Mcli rudder aileron controls elec tronic neutral . $1895 MCE elevators engine Full partial trim $1895 Patented Number 2867394 SERVO INFO BOOKLET 25c W P rI tm THE NEWEST MOTOR FROM Fox AMERICAS LARGEST INDEPENDENT MANUFACTURER OF MODEL AIRPLANE PRODUCTS POX 19 BB Bore 650 Stroke600 Diaplacement199 RPM wIth 6-4 prop . 17000 Weight8 ConsumptIon 4 oz mm Schnuurle porting course rugged parts lots power good idle unique design feature upper cylinder casting can turned exhaust either side back rear exhaust installations Structurally Fox 19BB peer crankshaft made aircraft quality 8620 steel supported two 11mm ball bearings con rod bushed piston fully machined mehanite runs leaded steel liner 22000 Fox 19BBRC$5995 90219 Tiltdown Muffler1995 90220 TIlt-up Muffler1995 50203 Motor Mount800 Fox MFG CO 5305 TOW5ON AVt FORT SMITH ARK 72901 Hot Line 15011 646-1656 USA NIEm~3PROOUCFSINCIJEPI-U XJJ PO BOX 818 0 POTTSTOWN PA 19464 37-1231 o u TAt TACHOr4ETeu Left GMP-2001-R Regular Right CMP-2001 0 Deluxe Dealers Invited ELECTRIC RETRACTS GIEZENDANNER Two Time World Champion REGULAR RETRACTS 5/32 Pattern- Up 10 lbs HEAVY DUTY RETRACTS 3/16 ForScale-lOto 18 lbs EXTRA HEAVY DUTY RETRACTS 1/4 Big Onus 18 50 lbs retract Slip Clutch prevent jamming stripping gears ELECTRONIC DIGITAL TACHOMETERS GMP-2001-R 2001-D Visiblu Visible display ondisplay Visible low batteryVisible low battery displaydisplay 2 Bladed Only2 & 3 Bladed props W liquid display4 liquid display Crystal control ledCrystal controlled Catalog Available Ideal beginner well master flier CHARGE IT Yes have Giezendanner Wipers 3 Bladed Low-Noise Glass Filled Props Juiy 1983 49 Guess Phil Kraft winds escapement er 1959 Bi-Fli r I-li 1981c Aerooatmcunampi - ui 7 consecutive Las Vegas Tour,0 nt Champions Shown above Giezendanner GMP 2001-0 Digital Tachometer fiOiflO Made 0 yeste bo color Go GRISH No 1 propeller True helical pitch airfoil win-power 2 elade Tractor 53each 545354Uk 6364lOc 747678Uk 848688C 949697 98104106 eds 114116118 i 1241251261U 2 Blade Pusher 5 3 54 6364USc 86USc 96106i 3 Bladetractor 53 63 64 Nc 3 Blade Pusher 63USc3 Metallic AluminumBlade color Tractor Of75i 8688iu 96 06104JS Puohr106*135 Madison Ave Greensboro NC 27403 Scale team trials Trials conducted Louisville KY August require pre registry Official entry forms available AMA headquarters Entry fee $50 $25 1984 FAI Scale Team Fund $10 FAI stamp required affixed entrants AMA license Bob Dolly Wischer S-221 Lapham Peak Rd Delafleld WI 53018 RC Aerobatics/Van Putte Continued vaqe 47 other Also maneuvers rolls up line did have placement roll GRISH LARGE WOOD PROPELLERS HARDWOOD too hard minimizes zhance costly plane engine damage True pitch airfoil fully finished balanced ready coating 318 BOREALL SIZES IN18 S7 6810 12 PITCH208 2210 2413 IN 8& IOPITCH 28 S16 RIGHT HAND TRACTOR inin~ BROS OKIN ST JOHN INDIANA 46373 GET ORGANIZED tore s set ot 4 sturdy ties holds over 4 years taootge oe9armeS 4 MAG FILES $495 Send SASS pise Si 00 lot postage haedarg DOM INDMThIU PO BOX 388-K DOVER NH 03820 middle line 6 Most Stall Turns well done aircraft either vertical top turn did come close stop 7 maneuvers change heading entry exit entry exit different altitudes 8 Most loops vertical horizontal eggs ovals superimposed changes heading gave corkscrew effect viewed end 9 fliers dont know call maneuver 10 Fliers suffer downgrades poor entry exit regardless intervening maneuver 50-ft minimum entry exit necessary order establish maneuver baseline does arrive maneuver score THe AMA Judges Guide has some suggested downgrades minor defects results downgrade eight severe defect should pull down six would combination three four minor defects Any element poor positioning start maneuver also fed final score Using other suggested down grades maneuver can easily arrive score 6-75 average maneuver 8 would quite good 85-95 very good quite excep tional saw 70-75 maneuvers some 80 maneuvers very few 85-95 maneuvers personally dont believe scoring inflation realize score maneuver can vary 5 points occasionally point have agree Ricks ob servations experiences have tended confirm would add obser vation own line consistently scores higher 1-2 points per maneuver scores line will determine winners contest Some type overall quality control needed minimize effects easy set judges determined persistent chief judge monitors line can much maintain quality judging Schools held before contest can help too Thanks Rick Meland Jeff Owens valuable observations Ron Van Puue III Sleepi Oaks Rd Ft Walton Beach FL 32548 RC Old-Timers/Mathews Continued paqe 49 Multi-Control Era As began semble outline material became increasingly obvious era con voluted paralleling developments di verging directions no single column could possibly give adequate coverage numerous methods developed move control surface Basically have old genus-phylla 152 Model Aviation R PRE-BU lIT Models Magic Dragon Trainer Fire Fox Speed & Aerobatic Ship Thanks fine acceptance line models 1983 Toledo Trade Show unable attend show would appreciate opportunity send free brochure SASE Aero-Tech RIC 3850 US Highway 19 N Palm Harbor FL 33563 DEALER INQUIRIES INVITED Sizes pitches styles AT YOUR DEALER * *SAILPLANE** launching equipment histarts/wincheslaccessorieS complete line/best prices/top quality send self-addressed stamped envelope catalog/information RLF PRODUCTS R3 Box 173-V Panli IN 4745418121723-4310 roet ORIGIN Very strong tao-piece wing Scale Anen 23 lbs USE T-CRAFT Sh WIRE WHEELS 1650 en Full slOe dOtailOd plans IPPO$2500 Othe soyerb giant-scale piano tall nice 0 PT1S Ocadra Kb$2000 105 Farnar Mosquito Oaad$2400 SO Fareran Mosquito 4000 FoorcycleS1700 send cask check ormanoyylanssenl railed ay S POST orde toPAID foreign orderSado 40% rrnaildesiretlSCflSlorOeSaSe crccfl.reS 01 laylorclatl plans olferegS Portable power tot glow plugs tits n e snrrn pocket Using HeadlockTM adapter allows stay plug get propeller Snobargeahln up 1000 times 90 day warranty No morn bulky ballerina cabins Order NI-STARTER either 110 220 12 volt fast charger Instroctions included Also anailohln charger Sne yasr dealer ar ordnr direct us Visa ft Mastercard acoeptnd Please spncify typo charger Add $150 postage IUSAI NI-HI1118 n. $2195 NI-fIL-lE 226 e. 8219$ NI-HI-1A 120 odap. $2195NI-HL-1-NC No charger $1280 13S66 Olondundon l4ertdon VA 22011 USA 752-425-Rag$ Therefore have elected limit months column use mechanical devices single-channel equipment cluded line development compound cascaded escapements driven rubber strip electricmotor-driven devices manufacturers such Bonner Citizenship Babcock Berkeley mar keted escapements Basically worked counting number on-off pulses pilot blipped transmitter key Such push-and-hold gave right full rudder two quick blips-and-hold gave full left three gave up etc Down elevator came up next time switch give two three hold rather imperative develop good memory order know control used last Motor control via throttles know today rather choking intake switching high low needle valve Available power rubber-driven es capements always problem needed use great care creating drag-free linkages free hinges Sewn-thread hinges popular can de tect beginnings today tend hinge much loosely other builders Im still uneasy surface wont fall down freely assembly flipped over Markedly-increased power became avail able introduction motordriven escapement units such deBolt Multi-Servos employed cams moved surface opened closed switch actuate another auxiliary unit other words 3PN servos three positions plus neutral between Ut could rigged push control rod fore aft third position switching 2P3N motor elevator control Early units used brass gears inclined jam however Pappy developed first models era Equally confusing evolution model designs multi-surface era Alex Schneiderwon 1952 Los Alamitos Nats 5-channel Rockwood reed unit highly-modified Capital eight-ft Cub yet next years Nats won Jack Port using singlechannel rudder-only HI Q Port father Controlaire Radio has evolved World Engines Radio today Kit designs included deBolts Live Wire series Lew Andrews Trixter Beam Berkeleys Hollinger Cub Royal Rud derbug Bootstraps Included group what perceive longest continuously-available RC kit erlings Tn-Pacer Equally much novelty originality evident model designs era RC equipment find con siderable difficulty selecting design represent dawning multi-surface July 1983 153 species sort situation Some developersnylon gears writer ever saw using electromechanical devices units became remarkably reliable power single-channel equipment others ful course weight battery require utilizing complex expensive tuned ments fell slight bit short contemporary reeds same time kicking duck galmicro-equipment nothing pro loping ghost myriad variations portional being developed others ul timate might model entered Nats Vernon McNabb ceiver 27 MHz rudder another Citizenship receiver 465 MHz elevator guess wasnt multi-channel just multifrequency RIC MODEL TRANSPORTER Compact Versatile Durable Hauls 2 planes plus gear equipment will need $570 yield customize inside hangers tool box etc meet O0OO need woo Si 4 10030 Orglr Maintnano F,O Aluminum Eti o Wood woo COostocrjoe SWeI Roofing Ge Offered Two Sizes Quadra 60 Quarter Scale Quadra type Engines 96/ Span 2 Scale Far 60 Engines 64/ Span 1000 Sq Quarter Scale Plan Set $3250 2 Scale Plan $1850 Please sod $250 Postage & Hand mg Other designs available too seed $tgg tsr Cataog Partial Kits offered tor desigos simplify Psi gieg I. P1845 Street Ft Liuderdile FL 33309 13051 491-6175 ~NEER1NG TIlE LANOING GEAR PEOPtE Tirud tf kit luodiog goars tAil UttI Ill biggie property o & 0 Etigittueriog con solvo problems * Cuotoot built moods & specs goorioteed lit * Struog & durable wilkotood tougheot boding * 0 & II Eogioeeriog geor will work & keep biggie tlyiog * In stock replacemeol gear tsr moot popular models Byron Pitto Chrislue Eagle CAP 21 Balso USA J-3 CUB Air Tech Pownue sod Eagle Nusen Big Stick Champ Citobtin B & II models Stopper Stinger ond Soapper Too X-HAIJL ER PO Box 185 Constantine MI 49042 Cdt 616 435-6805 NEW FOURMOST PRODUCTS Bulk head Fitting simple method feed fuel vent tubes through solid bulkheads Drill hole No 18 drill size bulkhead firewall up thIck Provides sealed N tank compartment N eliminates fuel line chaffing Color coded easy Identification * MOULDED NYLON FUELPROOF Weight /2GM EACH Size 3/32 10 PRICE 2for $250 FOURMOST PRODUCT& Bomb Release Fourmost Bombreiease mechanism simpie light weight device ideal fun-fly events Fasten unit plane screws provided Attach springloaded latch thread connect throttle rudder servo Corrosion problem unit molded nylon spring stalniess Weight 1/10 OUNCE PRICE $250 4040 24th Ave Forest Grove OR 97116503 357-2732 F LL OLOR EXACT REPRODUCTIONEnglands Finest ainnuhm P-40 CARD KITPAW DIESELS NOW 00 REMEMBER HOW049 29 New low low prices ONLYWELL THEY FLEW SoII oe Inokdo ooopon raxalolngSend $100 list SmilEric Clutton 3816 DeSoto Ave bafono 01 001 01 hoN pdo Sond OUS NOSTALGIC GIFTFort Myers Florida 22905 era lovely interesting designs kitted and/or published After days consideration have selected Phil Krafts Bi-Fli MAN October 1959 reasoned represents nearly ultimate development cascaded compound-escapement flying majority contestant flying multi-channel reed 1959 design capable inside outside loops inverted flight spinsall singlechannel receiver Bi-Fli novel being bipe used aerodynamic balances control surfaces low-powered rubber-driven escapements needed help could get Kraft evolved design through least three prototypes ranging 37-oz. K&B 09-powered version 1000 sq monster need look construction photo silkcovered gem detect Krafts Free Flight background first Flis Free Flight designs published Kraft anticipation blizzard inquiries no have full-size drawings model Should some reader have would gladly borrow make copies return have awful urge de velop modern version design should enough interest expressed Errata March 1983 column erred stating Citizenship manu facturer equipment 465 MHz As ad shows Babcock sold units four years later August 1956 have reproduced ad since equipment represented state art year single-channel twochannel receivers among first use transistors hermetically-sealed relays military contractor nature Babcock clearly evident ruggedness designs BCR-7 two-channel unit its attached battery weighed 10 oz Unlike Citizenship equipment 465 Babcock units tone-modulated signal signals transmitter tuned specific tone like B flat such least theory receiver would respond other tone its frequency principle tonemodulation become key concept used multi-channel reed units being developed Rockwood West Coast Schmidt East about reeds next column Lorenz McEntee etc As reader has perceived explosive development elec tronics mechanics rule between 1950 1960 interest always riv eted monthly columns MAN Ed Lorenz Amen can Modeler Howard MeEntee Nearly issue brought new wrinkle some helpful ideas reports activities around world Lorenz Radio Control News March 1959 MAN featured schematic layout drawings single tube IAG4 relay tone receiver Ed described best have seen sensitive nondrifting highly se lective~ states built op eration perfect first time hooked up recommendation highly-regarded Ed Lorenz plus excellent reports field made receiver popular Ace Radio made parts package available constructors August 1959 Now far nothing too unusual applies development other units such Marcy Lorenzs own two-tuber etc also available kit form Ace What does make particular receiver no table its designer il Kraft Check dates see Kraft name didnt 154 Model Aviation T94 ~GRAT LAK5 GONTROLIKI TEND PROFILE0COMBA RA T WIDE & NARROW WEDGE 15 -- 6 oz Capacities UNIFLOW & STINID Custom Dimni Fulls Ingredients detailed brochure50C stamps/check oni CAROLINA-TAFFINDER 8345 Delhi Road Charleston Hgta SC 29405 803-553-7169 REALISM RAER GEE B FINE QUALITY PLASTIC DISPLAY MODELS PILOTS WHEELS CYLINDERS ENGINE KITS MACHINE GUN KITS SEND $1 FOR $1LtIJ COMPLETE CATALOG DEPT MA 181 PAWNEE ST SAN MARCOS Co 92069 Ciassic R/C Scale 40 Wing 15 25 Engines Dealers & Distributors Welcomed Phone 703 273 9593 FLYLINE MODELS INC PO Boo 2136 Fairfax Virgnra 22031 u 5 Engines RadIos Mufflers Custom Carburetors Gyros SUPER MINI-BOY VIDEO MINIATURE AIRCRAFT SUPPLY BRINGS YOU ANOTHER HELICOPTER FIRST ProfessIonally produced video takes workshop professionally build set up flight trim mini-boy Includes step step building parts Iden tification mechanical operational walk through radio installation balancing bench setup operational flight trimming aerobatics video better having someone else build Mini-Boy Video produced Mike Mas National Helicopter Champion Available ary 1983 BETA VHS WE CAN SUPPLY ALL OF YOUR HELICOPTER NEEDS AT UNBEATABLE PRICES worlds Strongest Epoxy Glues Training Stands Mini-Boy Competition Pack Wide-Landing Gear Training Aids Float Kits Video Cassettes Helicopter Tools MOVE UP TO SCHLUTER See Dealer Call MINIATURE AIRCRAFT SUPPLY 2594 North Orange Blossom Trail ndo FL 32804 e 305 4221531 appear radio units until late decade yet acceptance receiver transmitter published next month later assembled units sold through Ace established name Kraft Truly American success story Although Kraft hardly pioneer RC name eventually became synonymous sport Dee B Mathews 506 South Walnut Greensburg KS 67054 RC Giant Scale/Beckman Continued oaoe 51 photos month aircraft built what consider PLANS de signers involved good ones around opinion among very best Getting started recently got letter Israeli Control Line modeler inter ested getting Giant Scale prob lems really much different other newcomer delightful mania thought answer would worth pass ing Dear i3oaz Thank interest ing letter photos CL model apply kind workmanship Giant Scale efforts youll real credit branch hobby Answering questions presents bit problem fact proper answer everything mentioned letter would very complete book building Giant Scale aircraft As turns out already some books available First Dick Phillips writes Big Beautiful column RCM has put together very useful building large models think price $1000 Write Dick Phillips 9 Geneva Crescent St Al bert Alberta Canada T8N 0Z3 Next Model Airplane News recently put out special Giant Scale called Giant Steps has lot good information general building techniques should able get anyplace can buy MAN write Model Airplane News 837 Post Road Darien CT 06820 finally have written book titled Building Flying Giant Scale Radio Con trol Aircraft Kaimbach Publishing Co will bringing out early June price will less $15 will able buy hobby stores cant find write Ill see get copy Unfortunately has much information converting engines am working engine book will some time before available Ill try answer couple engine related ques tions went answer some specific questions asked point lot people out lot questions know other columnists think Old DAD Dick Al Don get letters like also just cant answer CAP 21 * Flown M les Reed air show IMAA Nat onals Ida Grove IA 88wing span 1232 sq 16-18 lbs engine 20-31 Plans S20 CAP 201 84 wing span 1272 sq 16-18 lbs engine 20-31Plans S20 TEMPEST 86 wing span 1420 sq 18-20 lbs engine 24-37Plans S25 RV3 * 86 wing span 1638 sq 17-19 lbs engine 20-31Plans SZO R C Garmhausen 2715 Maple Ave NIE Canton OH 44714 *R3 CAP 21 pre-assembled kits available Write information July 1983 155 ORDER YOUR VIDEO NOW 5 Plus Shipping
Edition: Model Aviation - 1983/07
Page Numbers: 48, 49, 152, 153, 154, 155
Radio Control OLD- TIMER Dee B Mathews SAM CHAMPS 1983 Society An tique Modelers Championships sched uled July 19-2 1 La Junta CO La Junta small city population about 8000 located near exact center southeast quarter state Sangre de Cristos range Rocky Mountains lies rougly 120 miles directly west former Air Corps field lies three miles north city has three intersecting runways 8000-ft length Field altitude 4238 ft Surrounding terrain essentially flat treeless however area exten sively irrigated canals run through along fields home famous Rocky Ford cantaloupe although harvested until later season July weather usually has very warm dry days cooler evenings Winds can range dead calm very strong depending frontal passages area dominated high pressure dome dead calm winds will prevail however low pressure passing through stationary farther downwind can anticipate 20 30 mph perhaps stronger gusts Pray high pressure Like poem weather high Plains can run very very good horrid According Wind Power Chart sent us Bob Bostrom Santa Maria CA place adjacent USA stronger daily average wind velocities Dodge City KS Rawlins-Laramie WY area just Dick Haung Ft Worth recently-constructed computer model atmospheric data La Junta found can expect lose about 25% sea-level performance model achieving 400 sec still air sea level duration will decrease about 300 sec Most 25% loss due decrease climb speed resulting power output losses air-breathing engine number used generate figure based Playboy Senior should applicable Old-Timer Heres what innards compound escape ment looked like Cam follower would sol dered wire torque rod run control surface Wiper controlled electrical circuit energize second escapement Antique design except electric-power Housing will available dorms junior college area motels Early reservations advisable latecomers likely will find accommodations although perhaps close necessary qualify way compete SAM Champs Spectators 2 lIZ TIPICAL WING SECTION ISUILO AS FLAT THEN GOD HOTTOM PART OF N B m 2 S/lO /II / I 11 7 71fl 77 777 l~fl K77 I7 IB 1FLI Designed bys PHIL KRAFT very welcome urged bring along stopwatch help out timing chores Come out join fun Membership SAM has re quired contestants past some winners have actually members Such tightwad behavior will likely allowed year BONNER VARI COMP SPEED GOVERNOR CAMPAWL CAM FOLLOWER 48 Model Aviation WINgSPAN47 TOP M 1POWEROB MAX 15 OR 19 ICASCADED BONNEt VANI-COMPS IFOR NIGHTLEFTGPOOWN S IFOR QUICK BLIP MOTOR BUILT IN INOT SHOWNIT 3 RIGHT THRUST1CONTROL S1 dlli.... Li]I II INCHES H IC0 12345675101214IN further information contact Jim Thomas 1050 Clarkson Denver CO 80218 Hal deBolt first motorized actuators Doc remembers first nylon gears hed ever seen Ad Fifties Further Maturation RC Previous columns have taken quick glimpses Ham Exam-Free eras RC de velopment month subject Continued page 152 another manufacturer 465 MHz RC gearBabcock ad 1956 MAN Multi-Servos powerful dependable motor driven R/C actuators built Worlds oldest largest producer li/C servos Developed through years i type gives best possible action sort model control Multi-Servos smallest lightest powerful actuators available yet eco nomical operate Latest types use special servo motor Nylon gears vernier brakes printed wiring MODELS ONE 1 u GREAT R EVERY PURPOSE SINGLE CHANNELBOAT SERVO 2PN rudder $1195 ZP2N auxiliary. $1195 3P8N engine . $1195 DELUXE TYPES SPNX compound action$1495 ZP2NX auxiliary . $1495 SP3NX engine control.. $1495 Model SPN gives ward reverse stop plus steering . $2495 MULTI-CHANNEL Mcli rudder aileron controls elec tronic neutral . $1895 MCE elevators engine Full partial trim $1895 Patented Number 2867394 SERVO INFO BOOKLET 25c W P rI tm THE NEWEST MOTOR FROM Fox AMERICAS LARGEST INDEPENDENT MANUFACTURER OF MODEL AIRPLANE PRODUCTS POX 19 BB Bore 650 Stroke600 Diaplacement199 RPM wIth 6-4 prop . 17000 Weight8 ConsumptIon 4 oz mm Schnuurle porting course rugged parts lots power good idle unique design feature upper cylinder casting can turned exhaust either side back rear exhaust installations Structurally Fox 19BB peer crankshaft made aircraft quality 8620 steel supported two 11mm ball bearings con rod bushed piston fully machined mehanite runs leaded steel liner 22000 Fox 19BBRC$5995 90219 Tiltdown Muffler1995 90220 TIlt-up Muffler1995 50203 Motor Mount800 Fox MFG CO 5305 TOW5ON AVt FORT SMITH ARK 72901 Hot Line 15011 646-1656 USA NIEm~3PROOUCFSINCIJEPI-U XJJ PO BOX 818 0 POTTSTOWN PA 19464 37-1231 o u TAt TACHOr4ETeu Left GMP-2001-R Regular Right CMP-2001 0 Deluxe Dealers Invited ELECTRIC RETRACTS GIEZENDANNER Two Time World Champion REGULAR RETRACTS 5/32 Pattern- Up 10 lbs HEAVY DUTY RETRACTS 3/16 ForScale-lOto 18 lbs EXTRA HEAVY DUTY RETRACTS 1/4 Big Onus 18 50 lbs retract Slip Clutch prevent jamming stripping gears ELECTRONIC DIGITAL TACHOMETERS GMP-2001-R 2001-D Visiblu Visible display ondisplay Visible low batteryVisible low battery displaydisplay 2 Bladed Only2 & 3 Bladed props W liquid display4 liquid display Crystal control ledCrystal controlled Catalog Available Ideal beginner well master flier CHARGE IT Yes have Giezendanner Wipers 3 Bladed Low-Noise Glass Filled Props Juiy 1983 49 Guess Phil Kraft winds escapement er 1959 Bi-Fli r I-li 1981c Aerooatmcunampi - ui 7 consecutive Las Vegas Tour,0 nt Champions Shown above Giezendanner GMP 2001-0 Digital Tachometer fiOiflO Made 0 yeste bo color Go GRISH No 1 propeller True helical pitch airfoil win-power 2 elade Tractor 53each 545354Uk 6364lOc 747678Uk 848688C 949697 98104106 eds 114116118 i 1241251261U 2 Blade Pusher 5 3 54 6364USc 86USc 96106i 3 Bladetractor 53 63 64 Nc 3 Blade Pusher 63USc3 Metallic AluminumBlade color Tractor Of75i 8688iu 96 06104JS Puohr106*135 Madison Ave Greensboro NC 27403 Scale team trials Trials conducted Louisville KY August require pre registry Official entry forms available AMA headquarters Entry fee $50 $25 1984 FAI Scale Team Fund $10 FAI stamp required affixed entrants AMA license Bob Dolly Wischer S-221 Lapham Peak Rd Delafleld WI 53018 RC Aerobatics/Van Putte Continued vaqe 47 other Also maneuvers rolls up line did have placement roll GRISH LARGE WOOD PROPELLERS HARDWOOD too hard minimizes zhance costly plane engine damage True pitch airfoil fully finished balanced ready coating 318 BOREALL SIZES IN18 S7 6810 12 PITCH208 2210 2413 IN 8& IOPITCH 28 S16 RIGHT HAND TRACTOR inin~ BROS OKIN ST JOHN INDIANA 46373 GET ORGANIZED tore s set ot 4 sturdy ties holds over 4 years taootge oe9armeS 4 MAG FILES $495 Send SASS pise Si 00 lot postage haedarg DOM INDMThIU PO BOX 388-K DOVER NH 03820 middle line 6 Most Stall Turns well done aircraft either vertical top turn did come close stop 7 maneuvers change heading entry exit entry exit different altitudes 8 Most loops vertical horizontal eggs ovals superimposed changes heading gave corkscrew effect viewed end 9 fliers dont know call maneuver 10 Fliers suffer downgrades poor entry exit regardless intervening maneuver 50-ft minimum entry exit necessary order establish maneuver baseline does arrive maneuver score THe AMA Judges Guide has some suggested downgrades minor defects results downgrade eight severe defect should pull down six would combination three four minor defects Any element poor positioning start maneuver also fed final score Using other suggested down grades maneuver can easily arrive score 6-75 average maneuver 8 would quite good 85-95 very good quite excep tional saw 70-75 maneuvers some 80 maneuvers very few 85-95 maneuvers personally dont believe scoring inflation realize score maneuver can vary 5 points occasionally point have agree Ricks ob servations experiences have tended confirm would add obser vation own line consistently scores higher 1-2 points per maneuver scores line will determine winners contest Some type overall quality control needed minimize effects easy set judges determined persistent chief judge monitors line can much maintain quality judging Schools held before contest can help too Thanks Rick Meland Jeff Owens valuable observations Ron Van Puue III Sleepi Oaks Rd Ft Walton Beach FL 32548 RC Old-Timers/Mathews Continued paqe 49 Multi-Control Era As began semble outline material became increasingly obvious era con voluted paralleling developments di verging directions no single column could possibly give adequate coverage numerous methods developed move control surface Basically have old genus-phylla 152 Model Aviation R PRE-BU lIT Models Magic Dragon Trainer Fire Fox Speed & Aerobatic Ship Thanks fine acceptance line models 1983 Toledo Trade Show unable attend show would appreciate opportunity send free brochure SASE Aero-Tech RIC 3850 US Highway 19 N Palm Harbor FL 33563 DEALER INQUIRIES INVITED Sizes pitches styles AT YOUR DEALER * *SAILPLANE** launching equipment histarts/wincheslaccessorieS complete line/best prices/top quality send self-addressed stamped envelope catalog/information RLF PRODUCTS R3 Box 173-V Panli IN 4745418121723-4310 roet ORIGIN Very strong tao-piece wing Scale Anen 23 lbs USE T-CRAFT Sh WIRE WHEELS 1650 en Full slOe dOtailOd plans IPPO$2500 Othe soyerb giant-scale piano tall nice 0 PT1S Ocadra Kb$2000 105 Farnar Mosquito Oaad$2400 SO Fareran Mosquito 4000 FoorcycleS1700 send cask check ormanoyylanssenl railed ay S POST orde toPAID foreign orderSado 40% rrnaildesiretlSCflSlorOeSaSe crccfl.reS 01 laylorclatl plans olferegS Portable power tot glow plugs tits n e snrrn pocket Using HeadlockTM adapter allows stay plug get propeller Snobargeahln up 1000 times 90 day warranty No morn bulky ballerina cabins Order NI-STARTER either 110 220 12 volt fast charger Instroctions included Also anailohln charger Sne yasr dealer ar ordnr direct us Visa ft Mastercard acoeptnd Please spncify typo charger Add $150 postage IUSAI NI-HI1118 n. $2195 NI-fIL-lE 226 e. 8219$ NI-HI-1A 120 odap. $2195NI-HL-1-NC No charger $1280 13S66 Olondundon l4ertdon VA 22011 USA 752-425-Rag$ Therefore have elected limit months column use mechanical devices single-channel equipment cluded line development compound cascaded escapements driven rubber strip electricmotor-driven devices manufacturers such Bonner Citizenship Babcock Berkeley mar keted escapements Basically worked counting number on-off pulses pilot blipped transmitter key Such push-and-hold gave right full rudder two quick blips-and-hold gave full left three gave up etc Down elevator came up next time switch give two three hold rather imperative develop good memory order know control used last Motor control via throttles know today rather choking intake switching high low needle valve Available power rubber-driven es capements always problem needed use great care creating drag-free linkages free hinges Sewn-thread hinges popular can de tect beginnings today tend hinge much loosely other builders Im still uneasy surface wont fall down freely assembly flipped over Markedly-increased power became avail able introduction motordriven escapement units such deBolt Multi-Servos employed cams moved surface opened closed switch actuate another auxiliary unit other words 3PN servos three positions plus neutral between Ut could rigged push control rod fore aft third position switching 2P3N motor elevator control Early units used brass gears inclined jam however Pappy developed first models era Equally confusing evolution model designs multi-surface era Alex Schneiderwon 1952 Los Alamitos Nats 5-channel Rockwood reed unit highly-modified Capital eight-ft Cub yet next years Nats won Jack Port using singlechannel rudder-only HI Q Port father Controlaire Radio has evolved World Engines Radio today Kit designs included deBolts Live Wire series Lew Andrews Trixter Beam Berkeleys Hollinger Cub Royal Rud derbug Bootstraps Included group what perceive longest continuously-available RC kit erlings Tn-Pacer Equally much novelty originality evident model designs era RC equipment find con siderable difficulty selecting design represent dawning multi-surface July 1983 153 species sort situation Some developersnylon gears writer ever saw using electromechanical devices units became remarkably reliable power single-channel equipment others ful course weight battery require utilizing complex expensive tuned ments fell slight bit short contemporary reeds same time kicking duck galmicro-equipment nothing pro loping ghost myriad variations portional being developed others ul timate might model entered Nats Vernon McNabb ceiver 27 MHz rudder another Citizenship receiver 465 MHz elevator guess wasnt multi-channel just multifrequency RIC MODEL TRANSPORTER Compact Versatile Durable Hauls 2 planes plus gear equipment will need $570 yield customize inside hangers tool box etc meet O0OO need woo Si 4 10030 Orglr Maintnano F,O Aluminum Eti o Wood woo COostocrjoe SWeI Roofing Ge Offered Two Sizes Quadra 60 Quarter Scale Quadra type Engines 96/ Span 2 Scale Far 60 Engines 64/ Span 1000 Sq Quarter Scale Plan Set $3250 2 Scale Plan $1850 Please sod $250 Postage & Hand mg Other designs available too seed $tgg tsr Cataog Partial Kits offered tor desigos simplify Psi gieg I. P1845 Street Ft Liuderdile FL 33309 13051 491-6175 ~NEER1NG TIlE LANOING GEAR PEOPtE Tirud tf kit luodiog goars tAil UttI Ill biggie property o & 0 Etigittueriog con solvo problems * Cuotoot built moods & specs goorioteed lit * Struog & durable wilkotood tougheot boding * 0 & II Eogioeeriog geor will work & keep biggie tlyiog * In stock replacemeol gear tsr moot popular models Byron Pitto Chrislue Eagle CAP 21 Balso USA J-3 CUB Air Tech Pownue sod Eagle Nusen Big Stick Champ Citobtin B & II models Stopper Stinger ond Soapper Too X-HAIJL ER PO Box 185 Constantine MI 49042 Cdt 616 435-6805 NEW FOURMOST PRODUCTS Bulk head Fitting simple method feed fuel vent tubes through solid bulkheads Drill hole No 18 drill size bulkhead firewall up thIck Provides sealed N tank compartment N eliminates fuel line chaffing Color coded easy Identification * MOULDED NYLON FUELPROOF Weight /2GM EACH Size 3/32 10 PRICE 2for $250 FOURMOST PRODUCT& Bomb Release Fourmost Bombreiease mechanism simpie light weight device ideal fun-fly events Fasten unit plane screws provided Attach springloaded latch thread connect throttle rudder servo Corrosion problem unit molded nylon spring stalniess Weight 1/10 OUNCE PRICE $250 4040 24th Ave Forest Grove OR 97116503 357-2732 F LL OLOR EXACT REPRODUCTIONEnglands Finest ainnuhm P-40 CARD KITPAW DIESELS NOW 00 REMEMBER HOW049 29 New low low prices ONLYWELL THEY FLEW SoII oe Inokdo ooopon raxalolngSend $100 list SmilEric Clutton 3816 DeSoto Ave bafono 01 001 01 hoN pdo Sond OUS NOSTALGIC GIFTFort Myers Florida 22905 era lovely interesting designs kitted and/or published After days consideration have selected Phil Krafts Bi-Fli MAN October 1959 reasoned represents nearly ultimate development cascaded compound-escapement flying majority contestant flying multi-channel reed 1959 design capable inside outside loops inverted flight spinsall singlechannel receiver Bi-Fli novel being bipe used aerodynamic balances control surfaces low-powered rubber-driven escapements needed help could get Kraft evolved design through least three prototypes ranging 37-oz. K&B 09-powered version 1000 sq monster need look construction photo silkcovered gem detect Krafts Free Flight background first Flis Free Flight designs published Kraft anticipation blizzard inquiries no have full-size drawings model Should some reader have would gladly borrow make copies return have awful urge de velop modern version design should enough interest expressed Errata March 1983 column erred stating Citizenship manu facturer equipment 465 MHz As ad shows Babcock sold units four years later August 1956 have reproduced ad since equipment represented state art year single-channel twochannel receivers among first use transistors hermetically-sealed relays military contractor nature Babcock clearly evident ruggedness designs BCR-7 two-channel unit its attached battery weighed 10 oz Unlike Citizenship equipment 465 Babcock units tone-modulated signal signals transmitter tuned specific tone like B flat such least theory receiver would respond other tone its frequency principle tonemodulation become key concept used multi-channel reed units being developed Rockwood West Coast Schmidt East about reeds next column Lorenz McEntee etc As reader has perceived explosive development elec tronics mechanics rule between 1950 1960 interest always riv eted monthly columns MAN Ed Lorenz Amen can Modeler Howard MeEntee Nearly issue brought new wrinkle some helpful ideas reports activities around world Lorenz Radio Control News March 1959 MAN featured schematic layout drawings single tube IAG4 relay tone receiver Ed described best have seen sensitive nondrifting highly se lective~ states built op eration perfect first time hooked up recommendation highly-regarded Ed Lorenz plus excellent reports field made receiver popular Ace Radio made parts package available constructors August 1959 Now far nothing too unusual applies development other units such Marcy Lorenzs own two-tuber etc also available kit form Ace What does make particular receiver no table its designer il Kraft Check dates see Kraft name didnt 154 Model Aviation T94 ~GRAT LAK5 GONTROLIKI TEND PROFILE0COMBA RA T WIDE & NARROW WEDGE 15 -- 6 oz Capacities UNIFLOW & STINID Custom Dimni Fulls Ingredients detailed brochure50C stamps/check oni CAROLINA-TAFFINDER 8345 Delhi Road Charleston Hgta SC 29405 803-553-7169 REALISM RAER GEE B FINE QUALITY PLASTIC DISPLAY MODELS PILOTS WHEELS CYLINDERS ENGINE KITS MACHINE GUN KITS SEND $1 FOR $1LtIJ COMPLETE CATALOG DEPT MA 181 PAWNEE ST SAN MARCOS Co 92069 Ciassic R/C Scale 40 Wing 15 25 Engines Dealers & Distributors Welcomed Phone 703 273 9593 FLYLINE MODELS INC PO Boo 2136 Fairfax Virgnra 22031 u 5 Engines RadIos Mufflers Custom Carburetors Gyros SUPER MINI-BOY VIDEO MINIATURE AIRCRAFT SUPPLY BRINGS YOU ANOTHER HELICOPTER FIRST ProfessIonally produced video takes workshop professionally build set up flight trim mini-boy Includes step step building parts Iden tification mechanical operational walk through radio installation balancing bench setup operational flight trimming aerobatics video better having someone else build Mini-Boy Video produced Mike Mas National Helicopter Champion Available ary 1983 BETA VHS WE CAN SUPPLY ALL OF YOUR HELICOPTER NEEDS AT UNBEATABLE PRICES worlds Strongest Epoxy Glues Training Stands Mini-Boy Competition Pack Wide-Landing Gear Training Aids Float Kits Video Cassettes Helicopter Tools MOVE UP TO SCHLUTER See Dealer Call MINIATURE AIRCRAFT SUPPLY 2594 North Orange Blossom Trail ndo FL 32804 e 305 4221531 appear radio units until late decade yet acceptance receiver transmitter published next month later assembled units sold through Ace established name Kraft Truly American success story Although Kraft hardly pioneer RC name eventually became synonymous sport Dee B Mathews 506 South Walnut Greensburg KS 67054 RC Giant Scale/Beckman Continued oaoe 51 photos month aircraft built what consider PLANS de signers involved good ones around opinion among very best Getting started recently got letter Israeli Control Line modeler inter ested getting Giant Scale prob lems really much different other newcomer delightful mania thought answer would worth pass ing Dear i3oaz Thank interest ing letter photos CL model apply kind workmanship Giant Scale efforts youll real credit branch hobby Answering questions presents bit problem fact proper answer everything mentioned letter would very complete book building Giant Scale aircraft As turns out already some books available First Dick Phillips writes Big Beautiful column RCM has put together very useful building large models think price $1000 Write Dick Phillips 9 Geneva Crescent St Al bert Alberta Canada T8N 0Z3 Next Model Airplane News recently put out special Giant Scale called Giant Steps has lot good information general building techniques should able get anyplace can buy MAN write Model Airplane News 837 Post Road Darien CT 06820 finally have written book titled Building Flying Giant Scale Radio Con trol Aircraft Kaimbach Publishing Co will bringing out early June price will less $15 will able buy hobby stores cant find write Ill see get copy Unfortunately has much information converting engines am working engine book will some time before available Ill try answer couple engine related ques tions went answer some specific questions asked point lot people out lot questions know other columnists think Old DAD Dick Al Don get letters like also just cant answer CAP 21 * Flown M les Reed air show IMAA Nat onals Ida Grove IA 88wing span 1232 sq 16-18 lbs engine 20-31 Plans S20 CAP 201 84 wing span 1272 sq 16-18 lbs engine 20-31Plans S20 TEMPEST 86 wing span 1420 sq 18-20 lbs engine 24-37Plans S25 RV3 * 86 wing span 1638 sq 17-19 lbs engine 20-31Plans SZO R C Garmhausen 2715 Maple Ave NIE Canton OH 44714 *R3 CAP 21 pre-assembled kits available Write information July 1983 155 ORDER YOUR VIDEO NOW 5 Plus Shipping
Edition: Model Aviation - 1983/07
Page Numbers: 48, 49, 152, 153, 154, 155
Radio Control OLD- TIMER Dee B Mathews SAM CHAMPS 1983 Society An tique Modelers Championships sched uled July 19-2 1 La Junta CO La Junta small city population about 8000 located near exact center southeast quarter state Sangre de Cristos range Rocky Mountains lies rougly 120 miles directly west former Air Corps field lies three miles north city has three intersecting runways 8000-ft length Field altitude 4238 ft Surrounding terrain essentially flat treeless however area exten sively irrigated canals run through along fields home famous Rocky Ford cantaloupe although harvested until later season July weather usually has very warm dry days cooler evenings Winds can range dead calm very strong depending frontal passages area dominated high pressure dome dead calm winds will prevail however low pressure passing through stationary farther downwind can anticipate 20 30 mph perhaps stronger gusts Pray high pressure Like poem weather high Plains can run very very good horrid According Wind Power Chart sent us Bob Bostrom Santa Maria CA place adjacent USA stronger daily average wind velocities Dodge City KS Rawlins-Laramie WY area just Dick Haung Ft Worth recently-constructed computer model atmospheric data La Junta found can expect lose about 25% sea-level performance model achieving 400 sec still air sea level duration will decrease about 300 sec Most 25% loss due decrease climb speed resulting power output losses air-breathing engine number used generate figure based Playboy Senior should applicable Old-Timer Heres what innards compound escape ment looked like Cam follower would sol dered wire torque rod run control surface Wiper controlled electrical circuit energize second escapement Antique design except electric-power Housing will available dorms junior college area motels Early reservations advisable latecomers likely will find accommodations although perhaps close necessary qualify way compete SAM Champs Spectators 2 lIZ TIPICAL WING SECTION ISUILO AS FLAT THEN GOD HOTTOM PART OF N B m 2 S/lO /II / I 11 7 71fl 77 777 l~fl K77 I7 IB 1FLI Designed bys PHIL KRAFT very welcome urged bring along stopwatch help out timing chores Come out join fun Membership SAM has re quired contestants past some winners have actually members Such tightwad behavior will likely allowed year BONNER VARI COMP SPEED GOVERNOR CAMPAWL CAM FOLLOWER 48 Model Aviation WINgSPAN47 TOP M 1POWEROB MAX 15 OR 19 ICASCADED BONNEt VANI-COMPS IFOR NIGHTLEFTGPOOWN S IFOR QUICK BLIP MOTOR BUILT IN INOT SHOWNIT 3 RIGHT THRUST1CONTROL S1 dlli.... Li]I II INCHES H IC0 12345675101214IN further information contact Jim Thomas 1050 Clarkson Denver CO 80218 Hal deBolt first motorized actuators Doc remembers first nylon gears hed ever seen Ad Fifties Further Maturation RC Previous columns have taken quick glimpses Ham Exam-Free eras RC de velopment month subject Continued page 152 another manufacturer 465 MHz RC gearBabcock ad 1956 MAN Multi-Servos powerful dependable motor driven R/C actuators built Worlds oldest largest producer li/C servos Developed through years i type gives best possible action sort model control Multi-Servos smallest lightest powerful actuators available yet eco nomical operate Latest types use special servo motor Nylon gears vernier brakes printed wiring MODELS ONE 1 u GREAT R EVERY PURPOSE SINGLE CHANNELBOAT SERVO 2PN rudder $1195 ZP2N auxiliary. $1195 3P8N engine . $1195 DELUXE TYPES SPNX compound action$1495 ZP2NX auxiliary . $1495 SP3NX engine control.. $1495 Model SPN gives ward reverse stop plus steering . $2495 MULTI-CHANNEL Mcli rudder aileron controls elec tronic neutral . $1895 MCE elevators engine Full partial trim $1895 Patented Number 2867394 SERVO INFO BOOKLET 25c W P rI tm THE NEWEST MOTOR FROM Fox AMERICAS LARGEST INDEPENDENT MANUFACTURER OF MODEL AIRPLANE PRODUCTS POX 19 BB Bore 650 Stroke600 Diaplacement199 RPM wIth 6-4 prop . 17000 Weight8 ConsumptIon 4 oz mm Schnuurle porting course rugged parts lots power good idle unique design feature upper cylinder casting can turned exhaust either side back rear exhaust installations Structurally Fox 19BB peer crankshaft made aircraft quality 8620 steel supported two 11mm ball bearings con rod bushed piston fully machined mehanite runs leaded steel liner 22000 Fox 19BBRC$5995 90219 Tiltdown Muffler1995 90220 TIlt-up Muffler1995 50203 Motor Mount800 Fox MFG CO 5305 TOW5ON AVt FORT SMITH ARK 72901 Hot Line 15011 646-1656 USA NIEm~3PROOUCFSINCIJEPI-U XJJ PO BOX 818 0 POTTSTOWN PA 19464 37-1231 o u TAt TACHOr4ETeu Left GMP-2001-R Regular Right CMP-2001 0 Deluxe Dealers Invited ELECTRIC RETRACTS GIEZENDANNER Two Time World Champion REGULAR RETRACTS 5/32 Pattern- Up 10 lbs HEAVY DUTY RETRACTS 3/16 ForScale-lOto 18 lbs EXTRA HEAVY DUTY RETRACTS 1/4 Big Onus 18 50 lbs retract Slip Clutch prevent jamming stripping gears ELECTRONIC DIGITAL TACHOMETERS GMP-2001-R 2001-D Visiblu Visible display ondisplay Visible low batteryVisible low battery displaydisplay 2 Bladed Only2 & 3 Bladed props W liquid display4 liquid display Crystal control ledCrystal controlled Catalog Available Ideal beginner well master flier CHARGE IT Yes have Giezendanner Wipers 3 Bladed Low-Noise Glass Filled Props Juiy 1983 49 Guess Phil Kraft winds escapement er 1959 Bi-Fli r I-li 1981c Aerooatmcunampi - ui 7 consecutive Las Vegas Tour,0 nt Champions Shown above Giezendanner GMP 2001-0 Digital Tachometer fiOiflO Made 0 yeste bo color Go GRISH No 1 propeller True helical pitch airfoil win-power 2 elade Tractor 53each 545354Uk 6364lOc 747678Uk 848688C 949697 98104106 eds 114116118 i 1241251261U 2 Blade Pusher 5 3 54 6364USc 86USc 96106i 3 Bladetractor 53 63 64 Nc 3 Blade Pusher 63USc3 Metallic AluminumBlade color Tractor Of75i 8688iu 96 06104JS Puohr106*135 Madison Ave Greensboro NC 27403 Scale team trials Trials conducted Louisville KY August require pre registry Official entry forms available AMA headquarters Entry fee $50 $25 1984 FAI Scale Team Fund $10 FAI stamp required affixed entrants AMA license Bob Dolly Wischer S-221 Lapham Peak Rd Delafleld WI 53018 RC Aerobatics/Van Putte Continued vaqe 47 other Also maneuvers rolls up line did have placement roll GRISH LARGE WOOD PROPELLERS HARDWOOD too hard minimizes zhance costly plane engine damage True pitch airfoil fully finished balanced ready coating 318 BOREALL SIZES IN18 S7 6810 12 PITCH208 2210 2413 IN 8& IOPITCH 28 S16 RIGHT HAND TRACTOR inin~ BROS OKIN ST JOHN INDIANA 46373 GET ORGANIZED tore s set ot 4 sturdy ties holds over 4 years taootge oe9armeS 4 MAG FILES $495 Send SASS pise Si 00 lot postage haedarg DOM INDMThIU PO BOX 388-K DOVER NH 03820 middle line 6 Most Stall Turns well done aircraft either vertical top turn did come close stop 7 maneuvers change heading entry exit entry exit different altitudes 8 Most loops vertical horizontal eggs ovals superimposed changes heading gave corkscrew effect viewed end 9 fliers dont know call maneuver 10 Fliers suffer downgrades poor entry exit regardless intervening maneuver 50-ft minimum entry exit necessary order establish maneuver baseline does arrive maneuver score THe AMA Judges Guide has some suggested downgrades minor defects results downgrade eight severe defect should pull down six would combination three four minor defects Any element poor positioning start maneuver also fed final score Using other suggested down grades maneuver can easily arrive score 6-75 average maneuver 8 would quite good 85-95 very good quite excep tional saw 70-75 maneuvers some 80 maneuvers very few 85-95 maneuvers personally dont believe scoring inflation realize score maneuver can vary 5 points occasionally point have agree Ricks ob servations experiences have tended confirm would add obser vation own line consistently scores higher 1-2 points per maneuver scores line will determine winners contest Some type overall quality control needed minimize effects easy set judges determined persistent chief judge monitors line can much maintain quality judging Schools held before contest can help too Thanks Rick Meland Jeff Owens valuable observations Ron Van Puue III Sleepi Oaks Rd Ft Walton Beach FL 32548 RC Old-Timers/Mathews Continued paqe 49 Multi-Control Era As began semble outline material became increasingly obvious era con voluted paralleling developments di verging directions no single column could possibly give adequate coverage numerous methods developed move control surface Basically have old genus-phylla 152 Model Aviation R PRE-BU lIT Models Magic Dragon Trainer Fire Fox Speed & Aerobatic Ship Thanks fine acceptance line models 1983 Toledo Trade Show unable attend show would appreciate opportunity send free brochure SASE Aero-Tech RIC 3850 US Highway 19 N Palm Harbor FL 33563 DEALER INQUIRIES INVITED Sizes pitches styles AT YOUR DEALER * *SAILPLANE** launching equipment histarts/wincheslaccessorieS complete line/best prices/top quality send self-addressed stamped envelope catalog/information RLF PRODUCTS R3 Box 173-V Panli IN 4745418121723-4310 roet ORIGIN Very strong tao-piece wing Scale Anen 23 lbs USE T-CRAFT Sh WIRE WHEELS 1650 en Full slOe dOtailOd plans IPPO$2500 Othe soyerb giant-scale piano tall nice 0 PT1S Ocadra Kb$2000 105 Farnar Mosquito Oaad$2400 SO Fareran Mosquito 4000 FoorcycleS1700 send cask check ormanoyylanssenl railed ay S POST orde toPAID foreign orderSado 40% rrnaildesiretlSCflSlorOeSaSe crccfl.reS 01 laylorclatl plans olferegS Portable power tot glow plugs tits n e snrrn pocket Using HeadlockTM adapter allows stay plug get propeller Snobargeahln up 1000 times 90 day warranty No morn bulky ballerina cabins Order NI-STARTER either 110 220 12 volt fast charger Instroctions included Also anailohln charger Sne yasr dealer ar ordnr direct us Visa ft Mastercard acoeptnd Please spncify typo charger Add $150 postage IUSAI NI-HI1118 n. $2195 NI-fIL-lE 226 e. 8219$ NI-HI-1A 120 odap. $2195NI-HL-1-NC No charger $1280 13S66 Olondundon l4ertdon VA 22011 USA 752-425-Rag$ Therefore have elected limit months column use mechanical devices single-channel equipment cluded line development compound cascaded escapements driven rubber strip electricmotor-driven devices manufacturers such Bonner Citizenship Babcock Berkeley mar keted escapements Basically worked counting number on-off pulses pilot blipped transmitter key Such push-and-hold gave right full rudder two quick blips-and-hold gave full left three gave up etc Down elevator came up next time switch give two three hold rather imperative develop good memory order know control used last Motor control via throttles know today rather choking intake switching high low needle valve Available power rubber-driven es capements always problem needed use great care creating drag-free linkages free hinges Sewn-thread hinges popular can de tect beginnings today tend hinge much loosely other builders Im still uneasy surface wont fall down freely assembly flipped over Markedly-increased power became avail able introduction motordriven escapement units such deBolt Multi-Servos employed cams moved surface opened closed switch actuate another auxiliary unit other words 3PN servos three positions plus neutral between Ut could rigged push control rod fore aft third position switching 2P3N motor elevator control Early units used brass gears inclined jam however Pappy developed first models era Equally confusing evolution model designs multi-surface era Alex Schneiderwon 1952 Los Alamitos Nats 5-channel Rockwood reed unit highly-modified Capital eight-ft Cub yet next years Nats won Jack Port using singlechannel rudder-only HI Q Port father Controlaire Radio has evolved World Engines Radio today Kit designs included deBolts Live Wire series Lew Andrews Trixter Beam Berkeleys Hollinger Cub Royal Rud derbug Bootstraps Included group what perceive longest continuously-available RC kit erlings Tn-Pacer Equally much novelty originality evident model designs era RC equipment find con siderable difficulty selecting design represent dawning multi-surface July 1983 153 species sort situation Some developersnylon gears writer ever saw using electromechanical devices units became remarkably reliable power single-channel equipment others ful course weight battery require utilizing complex expensive tuned ments fell slight bit short contemporary reeds same time kicking duck galmicro-equipment nothing pro loping ghost myriad variations portional being developed others ul timate might model entered Nats Vernon McNabb ceiver 27 MHz rudder another Citizenship receiver 465 MHz elevator guess wasnt multi-channel just multifrequency RIC MODEL TRANSPORTER Compact Versatile Durable Hauls 2 planes plus gear equipment will need $570 yield customize inside hangers tool box etc meet O0OO need woo Si 4 10030 Orglr Maintnano F,O Aluminum Eti o Wood woo COostocrjoe SWeI Roofing Ge Offered Two Sizes Quadra 60 Quarter Scale Quadra type Engines 96/ Span 2 Scale Far 60 Engines 64/ Span 1000 Sq Quarter Scale Plan Set $3250 2 Scale Plan $1850 Please sod $250 Postage & Hand mg Other designs available too seed $tgg tsr Cataog Partial Kits offered tor desigos simplify Psi gieg I. P1845 Street Ft Liuderdile FL 33309 13051 491-6175 ~NEER1NG TIlE LANOING GEAR PEOPtE Tirud tf kit luodiog goars tAil UttI Ill biggie property o & 0 Etigittueriog con solvo problems * Cuotoot built moods & specs goorioteed lit * Struog & durable wilkotood tougheot boding * 0 & II Eogioeeriog geor will work & keep biggie tlyiog * In stock replacemeol gear tsr moot popular models Byron Pitto Chrislue Eagle CAP 21 Balso USA J-3 CUB Air Tech Pownue sod Eagle Nusen Big Stick Champ Citobtin B & II models Stopper Stinger ond Soapper Too X-HAIJL ER PO Box 185 Constantine MI 49042 Cdt 616 435-6805 NEW FOURMOST PRODUCTS Bulk head Fitting simple method feed fuel vent tubes through solid bulkheads Drill hole No 18 drill size bulkhead firewall up thIck Provides sealed N tank compartment N eliminates fuel line chaffing Color coded easy Identification * MOULDED NYLON FUELPROOF Weight /2GM EACH Size 3/32 10 PRICE 2for $250 FOURMOST PRODUCT& Bomb Release Fourmost Bombreiease mechanism simpie light weight device ideal fun-fly events Fasten unit plane screws provided Attach springloaded latch thread connect throttle rudder servo Corrosion problem unit molded nylon spring stalniess Weight 1/10 OUNCE PRICE $250 4040 24th Ave Forest Grove OR 97116503 357-2732 F LL OLOR EXACT REPRODUCTIONEnglands Finest ainnuhm P-40 CARD KITPAW DIESELS NOW 00 REMEMBER HOW049 29 New low low prices ONLYWELL THEY FLEW SoII oe Inokdo ooopon raxalolngSend $100 list SmilEric Clutton 3816 DeSoto Ave bafono 01 001 01 hoN pdo Sond OUS NOSTALGIC GIFTFort Myers Florida 22905 era lovely interesting designs kitted and/or published After days consideration have selected Phil Krafts Bi-Fli MAN October 1959 reasoned represents nearly ultimate development cascaded compound-escapement flying majority contestant flying multi-channel reed 1959 design capable inside outside loops inverted flight spinsall singlechannel receiver Bi-Fli novel being bipe used aerodynamic balances control surfaces low-powered rubber-driven escapements needed help could get Kraft evolved design through least three prototypes ranging 37-oz. K&B 09-powered version 1000 sq monster need look construction photo silkcovered gem detect Krafts Free Flight background first Flis Free Flight designs published Kraft anticipation blizzard inquiries no have full-size drawings model Should some reader have would gladly borrow make copies return have awful urge de velop modern version design should enough interest expressed Errata March 1983 column erred stating Citizenship manu facturer equipment 465 MHz As ad shows Babcock sold units four years later August 1956 have reproduced ad since equipment represented state art year single-channel twochannel receivers among first use transistors hermetically-sealed relays military contractor nature Babcock clearly evident ruggedness designs BCR-7 two-channel unit its attached battery weighed 10 oz Unlike Citizenship equipment 465 Babcock units tone-modulated signal signals transmitter tuned specific tone like B flat such least theory receiver would respond other tone its frequency principle tonemodulation become key concept used multi-channel reed units being developed Rockwood West Coast Schmidt East about reeds next column Lorenz McEntee etc As reader has perceived explosive development elec tronics mechanics rule between 1950 1960 interest always riv eted monthly columns MAN Ed Lorenz Amen can Modeler Howard MeEntee Nearly issue brought new wrinkle some helpful ideas reports activities around world Lorenz Radio Control News March 1959 MAN featured schematic layout drawings single tube IAG4 relay tone receiver Ed described best have seen sensitive nondrifting highly se lective~ states built op eration perfect first time hooked up recommendation highly-regarded Ed Lorenz plus excellent reports field made receiver popular Ace Radio made parts package available constructors August 1959 Now far nothing too unusual applies development other units such Marcy Lorenzs own two-tuber etc also available kit form Ace What does make particular receiver no table its designer il Kraft Check dates see Kraft name didnt 154 Model Aviation T94 ~GRAT LAK5 GONTROLIKI TEND PROFILE0COMBA RA T WIDE & NARROW WEDGE 15 -- 6 oz Capacities UNIFLOW & STINID Custom Dimni Fulls Ingredients detailed brochure50C stamps/check oni CAROLINA-TAFFINDER 8345 Delhi Road Charleston Hgta SC 29405 803-553-7169 REALISM RAER GEE B FINE QUALITY PLASTIC DISPLAY MODELS PILOTS WHEELS CYLINDERS ENGINE KITS MACHINE GUN KITS SEND $1 FOR $1LtIJ COMPLETE CATALOG DEPT MA 181 PAWNEE ST SAN MARCOS Co 92069 Ciassic R/C Scale 40 Wing 15 25 Engines Dealers & Distributors Welcomed Phone 703 273 9593 FLYLINE MODELS INC PO Boo 2136 Fairfax Virgnra 22031 u 5 Engines RadIos Mufflers Custom Carburetors Gyros SUPER MINI-BOY VIDEO MINIATURE AIRCRAFT SUPPLY BRINGS YOU ANOTHER HELICOPTER FIRST ProfessIonally produced video takes workshop professionally build set up flight trim mini-boy Includes step step building parts Iden tification mechanical operational walk through radio installation balancing bench setup operational flight trimming aerobatics video better having someone else build Mini-Boy Video produced Mike Mas National Helicopter Champion Available ary 1983 BETA VHS WE CAN SUPPLY ALL OF YOUR HELICOPTER NEEDS AT UNBEATABLE PRICES worlds Strongest Epoxy Glues Training Stands Mini-Boy Competition Pack Wide-Landing Gear Training Aids Float Kits Video Cassettes Helicopter Tools MOVE UP TO SCHLUTER See Dealer Call MINIATURE AIRCRAFT SUPPLY 2594 North Orange Blossom Trail ndo FL 32804 e 305 4221531 appear radio units until late decade yet acceptance receiver transmitter published next month later assembled units sold through Ace established name Kraft Truly American success story Although Kraft hardly pioneer RC name eventually became synonymous sport Dee B Mathews 506 South Walnut Greensburg KS 67054 RC Giant Scale/Beckman Continued oaoe 51 photos month aircraft built what consider PLANS de signers involved good ones around opinion among very best Getting started recently got letter Israeli Control Line modeler inter ested getting Giant Scale prob lems really much different other newcomer delightful mania thought answer would worth pass ing Dear i3oaz Thank interest ing letter photos CL model apply kind workmanship Giant Scale efforts youll real credit branch hobby Answering questions presents bit problem fact proper answer everything mentioned letter would very complete book building Giant Scale aircraft As turns out already some books available First Dick Phillips writes Big Beautiful column RCM has put together very useful building large models think price $1000 Write Dick Phillips 9 Geneva Crescent St Al bert Alberta Canada T8N 0Z3 Next Model Airplane News recently put out special Giant Scale called Giant Steps has lot good information general building techniques should able get anyplace can buy MAN write Model Airplane News 837 Post Road Darien CT 06820 finally have written book titled Building Flying Giant Scale Radio Con trol Aircraft Kaimbach Publishing Co will bringing out early June price will less $15 will able buy hobby stores cant find write Ill see get copy Unfortunately has much information converting engines am working engine book will some time before available Ill try answer couple engine related ques tions went answer some specific questions asked point lot people out lot questions know other columnists think Old DAD Dick Al Don get letters like also just cant answer CAP 21 * Flown M les Reed air show IMAA Nat onals Ida Grove IA 88wing span 1232 sq 16-18 lbs engine 20-31 Plans S20 CAP 201 84 wing span 1272 sq 16-18 lbs engine 20-31Plans S20 TEMPEST 86 wing span 1420 sq 18-20 lbs engine 24-37Plans S25 RV3 * 86 wing span 1638 sq 17-19 lbs engine 20-31Plans SZO R C Garmhausen 2715 Maple Ave NIE Canton OH 44714 *R3 CAP 21 pre-assembled kits available Write information July 1983 155 ORDER YOUR VIDEO NOW 5 Plus Shipping
Edition: Model Aviation - 1983/07
Page Numbers: 48, 49, 152, 153, 154, 155
Radio Control OLD- TIMER Dee B Mathews SAM CHAMPS 1983 Society An tique Modelers Championships sched uled July 19-2 1 La Junta CO La Junta small city population about 8000 located near exact center southeast quarter state Sangre de Cristos range Rocky Mountains lies rougly 120 miles directly west former Air Corps field lies three miles north city has three intersecting runways 8000-ft length Field altitude 4238 ft Surrounding terrain essentially flat treeless however area exten sively irrigated canals run through along fields home famous Rocky Ford cantaloupe although harvested until later season July weather usually has very warm dry days cooler evenings Winds can range dead calm very strong depending frontal passages area dominated high pressure dome dead calm winds will prevail however low pressure passing through stationary farther downwind can anticipate 20 30 mph perhaps stronger gusts Pray high pressure Like poem weather high Plains can run very very good horrid According Wind Power Chart sent us Bob Bostrom Santa Maria CA place adjacent USA stronger daily average wind velocities Dodge City KS Rawlins-Laramie WY area just Dick Haung Ft Worth recently-constructed computer model atmospheric data La Junta found can expect lose about 25% sea-level performance model achieving 400 sec still air sea level duration will decrease about 300 sec Most 25% loss due decrease climb speed resulting power output losses air-breathing engine number used generate figure based Playboy Senior should applicable Old-Timer Heres what innards compound escape ment looked like Cam follower would sol dered wire torque rod run control surface Wiper controlled electrical circuit energize second escapement Antique design except electric-power Housing will available dorms junior college area motels Early reservations advisable latecomers likely will find accommodations although perhaps close necessary qualify way compete SAM Champs Spectators 2 lIZ TIPICAL WING SECTION ISUILO AS FLAT THEN GOD HOTTOM PART OF N B m 2 S/lO /II / I 11 7 71fl 77 777 l~fl K77 I7 IB 1FLI Designed bys PHIL KRAFT very welcome urged bring along stopwatch help out timing chores Come out join fun Membership SAM has re quired contestants past some winners have actually members Such tightwad behavior will likely allowed year BONNER VARI COMP SPEED GOVERNOR CAMPAWL CAM FOLLOWER 48 Model Aviation WINgSPAN47 TOP M 1POWEROB MAX 15 OR 19 ICASCADED BONNEt VANI-COMPS IFOR NIGHTLEFTGPOOWN S IFOR QUICK BLIP MOTOR BUILT IN INOT SHOWNIT 3 RIGHT THRUST1CONTROL S1 dlli.... Li]I II INCHES H IC0 12345675101214IN further information contact Jim Thomas 1050 Clarkson Denver CO 80218 Hal deBolt first motorized actuators Doc remembers first nylon gears hed ever seen Ad Fifties Further Maturation RC Previous columns have taken quick glimpses Ham Exam-Free eras RC de velopment month subject Continued page 152 another manufacturer 465 MHz RC gearBabcock ad 1956 MAN Multi-Servos powerful dependable motor driven R/C actuators built Worlds oldest largest producer li/C servos Developed through years i type gives best possible action sort model control Multi-Servos smallest lightest powerful actuators available yet eco nomical operate Latest types use special servo motor Nylon gears vernier brakes printed wiring MODELS ONE 1 u GREAT R EVERY PURPOSE SINGLE CHANNELBOAT SERVO 2PN rudder $1195 ZP2N auxiliary. $1195 3P8N engine . $1195 DELUXE TYPES SPNX compound action$1495 ZP2NX auxiliary . $1495 SP3NX engine control.. $1495 Model SPN gives ward reverse stop plus steering . $2495 MULTI-CHANNEL Mcli rudder aileron controls elec tronic neutral . $1895 MCE elevators engine Full partial trim $1895 Patented Number 2867394 SERVO INFO BOOKLET 25c W P rI tm THE NEWEST MOTOR FROM Fox AMERICAS LARGEST INDEPENDENT MANUFACTURER OF MODEL AIRPLANE PRODUCTS POX 19 BB Bore 650 Stroke600 Diaplacement199 RPM wIth 6-4 prop . 17000 Weight8 ConsumptIon 4 oz mm Schnuurle porting course rugged parts lots power good idle unique design feature upper cylinder casting can turned exhaust either side back rear exhaust installations Structurally Fox 19BB peer crankshaft made aircraft quality 8620 steel supported two 11mm ball bearings con rod bushed piston fully machined mehanite runs leaded steel liner 22000 Fox 19BBRC$5995 90219 Tiltdown Muffler1995 90220 TIlt-up Muffler1995 50203 Motor Mount800 Fox MFG CO 5305 TOW5ON AVt FORT SMITH ARK 72901 Hot Line 15011 646-1656 USA NIEm~3PROOUCFSINCIJEPI-U XJJ PO BOX 818 0 POTTSTOWN PA 19464 37-1231 o u TAt TACHOr4ETeu Left GMP-2001-R Regular Right CMP-2001 0 Deluxe Dealers Invited ELECTRIC RETRACTS GIEZENDANNER Two Time World Champion REGULAR RETRACTS 5/32 Pattern- Up 10 lbs HEAVY DUTY RETRACTS 3/16 ForScale-lOto 18 lbs EXTRA HEAVY DUTY RETRACTS 1/4 Big Onus 18 50 lbs retract Slip Clutch prevent jamming stripping gears ELECTRONIC DIGITAL TACHOMETERS GMP-2001-R 2001-D Visiblu Visible display ondisplay Visible low batteryVisible low battery displaydisplay 2 Bladed Only2 & 3 Bladed props W liquid display4 liquid display Crystal control ledCrystal controlled Catalog Available Ideal beginner well master flier CHARGE IT Yes have Giezendanner Wipers 3 Bladed Low-Noise Glass Filled Props Juiy 1983 49 Guess Phil Kraft winds escapement er 1959 Bi-Fli r I-li 1981c Aerooatmcunampi - ui 7 consecutive Las Vegas Tour,0 nt Champions Shown above Giezendanner GMP 2001-0 Digital Tachometer fiOiflO Made 0 yeste bo color Go GRISH No 1 propeller True helical pitch airfoil win-power 2 elade Tractor 53each 545354Uk 6364lOc 747678Uk 848688C 949697 98104106 eds 114116118 i 1241251261U 2 Blade Pusher 5 3 54 6364USc 86USc 96106i 3 Bladetractor 53 63 64 Nc 3 Blade Pusher 63USc3 Metallic AluminumBlade color Tractor Of75i 8688iu 96 06104JS Puohr106*135 Madison Ave Greensboro NC 27403 Scale team trials Trials conducted Louisville KY August require pre registry Official entry forms available AMA headquarters Entry fee $50 $25 1984 FAI Scale Team Fund $10 FAI stamp required affixed entrants AMA license Bob Dolly Wischer S-221 Lapham Peak Rd Delafleld WI 53018 RC Aerobatics/Van Putte Continued vaqe 47 other Also maneuvers rolls up line did have placement roll GRISH LARGE WOOD PROPELLERS HARDWOOD too hard minimizes zhance costly plane engine damage True pitch airfoil fully finished balanced ready coating 318 BOREALL SIZES IN18 S7 6810 12 PITCH208 2210 2413 IN 8& IOPITCH 28 S16 RIGHT HAND TRACTOR inin~ BROS OKIN ST JOHN INDIANA 46373 GET ORGANIZED tore s set ot 4 sturdy ties holds over 4 years taootge oe9armeS 4 MAG FILES $495 Send SASS pise Si 00 lot postage haedarg DOM INDMThIU PO BOX 388-K DOVER NH 03820 middle line 6 Most Stall Turns well done aircraft either vertical top turn did come close stop 7 maneuvers change heading entry exit entry exit different altitudes 8 Most loops vertical horizontal eggs ovals superimposed changes heading gave corkscrew effect viewed end 9 fliers dont know call maneuver 10 Fliers suffer downgrades poor entry exit regardless intervening maneuver 50-ft minimum entry exit necessary order establish maneuver baseline does arrive maneuver score THe AMA Judges Guide has some suggested downgrades minor defects results downgrade eight severe defect should pull down six would combination three four minor defects Any element poor positioning start maneuver also fed final score Using other suggested down grades maneuver can easily arrive score 6-75 average maneuver 8 would quite good 85-95 very good quite excep tional saw 70-75 maneuvers some 80 maneuvers very few 85-95 maneuvers personally dont believe scoring inflation realize score maneuver can vary 5 points occasionally point have agree Ricks ob servations experiences have tended confirm would add obser vation own line consistently scores higher 1-2 points per maneuver scores line will determine winners contest Some type overall quality control needed minimize effects easy set judges determined persistent chief judge monitors line can much maintain quality judging Schools held before contest can help too Thanks Rick Meland Jeff Owens valuable observations Ron Van Puue III Sleepi Oaks Rd Ft Walton Beach FL 32548 RC Old-Timers/Mathews Continued paqe 49 Multi-Control Era As began semble outline material became increasingly obvious era con voluted paralleling developments di verging directions no single column could possibly give adequate coverage numerous methods developed move control surface Basically have old genus-phylla 152 Model Aviation R PRE-BU lIT Models Magic Dragon Trainer Fire Fox Speed & Aerobatic Ship Thanks fine acceptance line models 1983 Toledo Trade Show unable attend show would appreciate opportunity send free brochure SASE Aero-Tech RIC 3850 US Highway 19 N Palm Harbor FL 33563 DEALER INQUIRIES INVITED Sizes pitches styles AT YOUR DEALER * *SAILPLANE** launching equipment histarts/wincheslaccessorieS complete line/best prices/top quality send self-addressed stamped envelope catalog/information RLF PRODUCTS R3 Box 173-V Panli IN 4745418121723-4310 roet ORIGIN Very strong tao-piece wing Scale Anen 23 lbs USE T-CRAFT Sh WIRE WHEELS 1650 en Full slOe dOtailOd plans IPPO$2500 Othe soyerb giant-scale piano tall nice 0 PT1S Ocadra Kb$2000 105 Farnar Mosquito Oaad$2400 SO Fareran Mosquito 4000 FoorcycleS1700 send cask check ormanoyylanssenl railed ay S POST orde toPAID foreign orderSado 40% rrnaildesiretlSCflSlorOeSaSe crccfl.reS 01 laylorclatl plans olferegS Portable power tot glow plugs tits n e snrrn pocket Using HeadlockTM adapter allows stay plug get propeller Snobargeahln up 1000 times 90 day warranty No morn bulky ballerina cabins Order NI-STARTER either 110 220 12 volt fast charger Instroctions included Also anailohln charger Sne yasr dealer ar ordnr direct us Visa ft Mastercard acoeptnd Please spncify typo charger Add $150 postage IUSAI NI-HI1118 n. $2195 NI-fIL-lE 226 e. 8219$ NI-HI-1A 120 odap. $2195NI-HL-1-NC No charger $1280 13S66 Olondundon l4ertdon VA 22011 USA 752-425-Rag$ Therefore have elected limit months column use mechanical devices single-channel equipment cluded line development compound cascaded escapements driven rubber strip electricmotor-driven devices manufacturers such Bonner Citizenship Babcock Berkeley mar keted escapements Basically worked counting number on-off pulses pilot blipped transmitter key Such push-and-hold gave right full rudder two quick blips-and-hold gave full left three gave up etc Down elevator came up next time switch give two three hold rather imperative develop good memory order know control used last Motor control via throttles know today rather choking intake switching high low needle valve Available power rubber-driven es capements always problem needed use great care creating drag-free linkages free hinges Sewn-thread hinges popular can de tect beginnings today tend hinge much loosely other builders Im still uneasy surface wont fall down freely assembly flipped over Markedly-increased power became avail able introduction motordriven escapement units such deBolt Multi-Servos employed cams moved surface opened closed switch actuate another auxiliary unit other words 3PN servos three positions plus neutral between Ut could rigged push control rod fore aft third position switching 2P3N motor elevator control Early units used brass gears inclined jam however Pappy developed first models era Equally confusing evolution model designs multi-surface era Alex Schneiderwon 1952 Los Alamitos Nats 5-channel Rockwood reed unit highly-modified Capital eight-ft Cub yet next years Nats won Jack Port using singlechannel rudder-only HI Q Port father Controlaire Radio has evolved World Engines Radio today Kit designs included deBolts Live Wire series Lew Andrews Trixter Beam Berkeleys Hollinger Cub Royal Rud derbug Bootstraps Included group what perceive longest continuously-available RC kit erlings Tn-Pacer Equally much novelty originality evident model designs era RC equipment find con siderable difficulty selecting design represent dawning multi-surface July 1983 153 species sort situation Some developersnylon gears writer ever saw using electromechanical devices units became remarkably reliable power single-channel equipment others ful course weight battery require utilizing complex expensive tuned ments fell slight bit short contemporary reeds same time kicking duck galmicro-equipment nothing pro loping ghost myriad variations portional being developed others ul timate might model entered Nats Vernon McNabb ceiver 27 MHz rudder another Citizenship receiver 465 MHz elevator guess wasnt multi-channel just multifrequency RIC MODEL TRANSPORTER Compact Versatile Durable Hauls 2 planes plus gear equipment will need $570 yield customize inside hangers tool box etc meet O0OO need woo Si 4 10030 Orglr Maintnano F,O Aluminum Eti o Wood woo COostocrjoe SWeI Roofing Ge Offered Two Sizes Quadra 60 Quarter Scale Quadra type Engines 96/ Span 2 Scale Far 60 Engines 64/ Span 1000 Sq Quarter Scale Plan Set $3250 2 Scale Plan $1850 Please sod $250 Postage & Hand mg Other designs available too seed $tgg tsr Cataog Partial Kits offered tor desigos simplify Psi gieg I. P1845 Street Ft Liuderdile FL 33309 13051 491-6175 ~NEER1NG TIlE LANOING GEAR PEOPtE Tirud tf kit luodiog goars tAil UttI Ill biggie property o & 0 Etigittueriog con solvo problems * Cuotoot built moods & specs goorioteed lit * Struog & durable wilkotood tougheot boding * 0 & II Eogioeeriog geor will work & keep biggie tlyiog * In stock replacemeol gear tsr moot popular models Byron Pitto Chrislue Eagle CAP 21 Balso USA J-3 CUB Air Tech Pownue sod Eagle Nusen Big Stick Champ Citobtin B & II models Stopper Stinger ond Soapper Too X-HAIJL ER PO Box 185 Constantine MI 49042 Cdt 616 435-6805 NEW FOURMOST PRODUCTS Bulk head Fitting simple method feed fuel vent tubes through solid bulkheads Drill hole No 18 drill size bulkhead firewall up thIck Provides sealed N tank compartment N eliminates fuel line chaffing Color coded easy Identification * MOULDED NYLON FUELPROOF Weight /2GM EACH Size 3/32 10 PRICE 2for $250 FOURMOST PRODUCT& Bomb Release Fourmost Bombreiease mechanism simpie light weight device ideal fun-fly events Fasten unit plane screws provided Attach springloaded latch thread connect throttle rudder servo Corrosion problem unit molded nylon spring stalniess Weight 1/10 OUNCE PRICE $250 4040 24th Ave Forest Grove OR 97116503 357-2732 F LL OLOR EXACT REPRODUCTIONEnglands Finest ainnuhm P-40 CARD KITPAW DIESELS NOW 00 REMEMBER HOW049 29 New low low prices ONLYWELL THEY FLEW SoII oe Inokdo ooopon raxalolngSend $100 list SmilEric Clutton 3816 DeSoto Ave bafono 01 001 01 hoN pdo Sond OUS NOSTALGIC GIFTFort Myers Florida 22905 era lovely interesting designs kitted and/or published After days consideration have selected Phil Krafts Bi-Fli MAN October 1959 reasoned represents nearly ultimate development cascaded compound-escapement flying majority contestant flying multi-channel reed 1959 design capable inside outside loops inverted flight spinsall singlechannel receiver Bi-Fli novel being bipe used aerodynamic balances control surfaces low-powered rubber-driven escapements needed help could get Kraft evolved design through least three prototypes ranging 37-oz. K&B 09-powered version 1000 sq monster need look construction photo silkcovered gem detect Krafts Free Flight background first Flis Free Flight designs published Kraft anticipation blizzard inquiries no have full-size drawings model Should some reader have would gladly borrow make copies return have awful urge de velop modern version design should enough interest expressed Errata March 1983 column erred stating Citizenship manu facturer equipment 465 MHz As ad shows Babcock sold units four years later August 1956 have reproduced ad since equipment represented state art year single-channel twochannel receivers among first use transistors hermetically-sealed relays military contractor nature Babcock clearly evident ruggedness designs BCR-7 two-channel unit its attached battery weighed 10 oz Unlike Citizenship equipment 465 Babcock units tone-modulated signal signals transmitter tuned specific tone like B flat such least theory receiver would respond other tone its frequency principle tonemodulation become key concept used multi-channel reed units being developed Rockwood West Coast Schmidt East about reeds next column Lorenz McEntee etc As reader has perceived explosive development elec tronics mechanics rule between 1950 1960 interest always riv eted monthly columns MAN Ed Lorenz Amen can Modeler Howard MeEntee Nearly issue brought new wrinkle some helpful ideas reports activities around world Lorenz Radio Control News March 1959 MAN featured schematic layout drawings single tube IAG4 relay tone receiver Ed described best have seen sensitive nondrifting highly se lective~ states built op eration perfect first time hooked up recommendation highly-regarded Ed Lorenz plus excellent reports field made receiver popular Ace Radio made parts package available constructors August 1959 Now far nothing too unusual applies development other units such Marcy Lorenzs own two-tuber etc also available kit form Ace What does make particular receiver no table its designer il Kraft Check dates see Kraft name didnt 154 Model Aviation T94 ~GRAT LAK5 GONTROLIKI TEND PROFILE0COMBA RA T WIDE & NARROW WEDGE 15 -- 6 oz Capacities UNIFLOW & STINID Custom Dimni Fulls Ingredients detailed brochure50C stamps/check oni CAROLINA-TAFFINDER 8345 Delhi Road Charleston Hgta SC 29405 803-553-7169 REALISM RAER GEE B FINE QUALITY PLASTIC DISPLAY MODELS PILOTS WHEELS CYLINDERS ENGINE KITS MACHINE GUN KITS SEND $1 FOR $1LtIJ COMPLETE CATALOG DEPT MA 181 PAWNEE ST SAN MARCOS Co 92069 Ciassic R/C Scale 40 Wing 15 25 Engines Dealers & Distributors Welcomed Phone 703 273 9593 FLYLINE MODELS INC PO Boo 2136 Fairfax Virgnra 22031 u 5 Engines RadIos Mufflers Custom Carburetors Gyros SUPER MINI-BOY VIDEO MINIATURE AIRCRAFT SUPPLY BRINGS YOU ANOTHER HELICOPTER FIRST ProfessIonally produced video takes workshop professionally build set up flight trim mini-boy Includes step step building parts Iden tification mechanical operational walk through radio installation balancing bench setup operational flight trimming aerobatics video better having someone else build Mini-Boy Video produced Mike Mas National Helicopter Champion Available ary 1983 BETA VHS WE CAN SUPPLY ALL OF YOUR HELICOPTER NEEDS AT UNBEATABLE PRICES worlds Strongest Epoxy Glues Training Stands Mini-Boy Competition Pack Wide-Landing Gear Training Aids Float Kits Video Cassettes Helicopter Tools MOVE UP TO SCHLUTER See Dealer Call MINIATURE AIRCRAFT SUPPLY 2594 North Orange Blossom Trail ndo FL 32804 e 305 4221531 appear radio units until late decade yet acceptance receiver transmitter published next month later assembled units sold through Ace established name Kraft Truly American success story Although Kraft hardly pioneer RC name eventually became synonymous sport Dee B Mathews 506 South Walnut Greensburg KS 67054 RC Giant Scale/Beckman Continued oaoe 51 photos month aircraft built what consider PLANS de signers involved good ones around opinion among very best Getting started recently got letter Israeli Control Line modeler inter ested getting Giant Scale prob lems really much different other newcomer delightful mania thought answer would worth pass ing Dear i3oaz Thank interest ing letter photos CL model apply kind workmanship Giant Scale efforts youll real credit branch hobby Answering questions presents bit problem fact proper answer everything mentioned letter would very complete book building Giant Scale aircraft As turns out already some books available First Dick Phillips writes Big Beautiful column RCM has put together very useful building large models think price $1000 Write Dick Phillips 9 Geneva Crescent St Al bert Alberta Canada T8N 0Z3 Next Model Airplane News recently put out special Giant Scale called Giant Steps has lot good information general building techniques should able get anyplace can buy MAN write Model Airplane News 837 Post Road Darien CT 06820 finally have written book titled Building Flying Giant Scale Radio Con trol Aircraft Kaimbach Publishing Co will bringing out early June price will less $15 will able buy hobby stores cant find write Ill see get copy Unfortunately has much information converting engines am working engine book will some time before available Ill try answer couple engine related ques tions went answer some specific questions asked point lot people out lot questions know other columnists think Old DAD Dick Al Don get letters like also just cant answer CAP 21 * Flown M les Reed air show IMAA Nat onals Ida Grove IA 88wing span 1232 sq 16-18 lbs engine 20-31 Plans S20 CAP 201 84 wing span 1272 sq 16-18 lbs engine 20-31Plans S20 TEMPEST 86 wing span 1420 sq 18-20 lbs engine 24-37Plans S25 RV3 * 86 wing span 1638 sq 17-19 lbs engine 20-31Plans SZO R C Garmhausen 2715 Maple Ave NIE Canton OH 44714 *R3 CAP 21 pre-assembled kits available Write information July 1983 155 ORDER YOUR VIDEO NOW 5 Plus Shipping