NO OCR TEXT Opposite page top Coming spot landing under radio control Chats own RC-1 settles like graceful bird 1934 year its birth such photo would have nearly impossible Nothing landed nearby including RC models nationwide could numbered fingers hand RC-1 SAM-approved Antique FP Opposite page bottom few seconds later Chet finishes slight S just prior two-wheel landing walk after session dead-stick soaring Above Coming after 5-mm soaring flight Chet removes propengine ballastand launches standard winch Youll find some fascinating techniques text cluding slight mods teacup hanger hook Chet watches wrinkles covering during launch eases off necessary Says might wish add auxIliary spar Lanzos co-author says has enough trouble just seeing plane flight much less wrinkles WHEN CHET LANZO WAS 20 half century ago created remarkably simple functional grace ful gas model superb flying ability contemporary famed Bassett designs KG Kovel-Orant published MAN 1 930s fact two designs Lanzos spiration attempted develop gas model own objective radiocontrolled flight name RC-l testi fies Sometime around 1934 story about Chet historic craft appeared Cleveland Press along excellent photo plane its creator newspapers lead-in read high-wing cabin monoplane 7-ft spread powThis flyby shows RC-1 elevatoron right Its enough though Chet notes model requiresvery little elevatorto responsive Modern-day spinner used starting ease ered gasoline engine capable 50 mph equipped radio controls may operated ground ambitious model airplane project de veloped Chester Lanzo Junior Aviator National Air Races article went relate Chet interested models 10 years already flown two large models recalled experience craft shops East End neighborhood house graduation East Technical High Chet begins takeoff roll RC-1 Covering red-colored silk black trim using butyrate dope Cutoff Important feature use glow set up carb throttle barrel cuts off air kills engine transmitter trim moved full idle December 1986 107 Left The ignition SuperCyclone installed Tom McCoys RC-1 McCoys own hand-carved 13 x4 based HA ThomasAir Trails article 19509 Note attachment rubbershock band landing gearto dowel sideofthe nose cheek Right Detailsof wire gear Thinner cross wires prevent splaying Cross section front one-piece leg free move down back restrained rubberband shocks both sides rear wire can pivot under three nylon strap fittings provide smooth yet sturdy landings Left Center servo operates ignition Kill switcn Mcloys snip Ball-links attach others square balsa pushroifS Battery pack rubberband-wrapped suspended front hold-down dowel two loops band Right Clevis rods have unthread end joined wire pushrod extensions via soldering connectors Stab airfoil 50%-thick Clark Y CG therefore 45 50% wing chord School studied aeronautical engineering peers abroad consider Chet worlds finest modelers achievements monumental know Chet will disapprove last two sen tences because self-effacing style humble guybut necessary say order account out-ofthe-blue events unfold below Lanzos 1937 Nats-winning RC seem ingly step backward configu ration forgotten 1934 plane display AMA Museum follows ancient Lanzo tradition stick-type wire cabane polyhedral Free Flights employed successfully RC Its primi tive radio now seems like something Ice Age course radio RC-1 never described goes back Dinosaurs Chet will talk about vintage Marconi may make loose words awareness RC- 1 began chance photo deBolt winning model Tom McCoy March 1986 Antenna Interupter Spark gap Model T auto Fordiii sparking coiI~ Tuning coil & 6 volt _con dens storage Signal key SPARK GAP TRANSMITTER issue able include item RC- 1 three-view drawing thanks both Tom Chet overwhelmed Chets invitation write RC- 1 story him feel profoundly honored have organized Chets comments precisely spoke questions understood eliminated permit Chet maximum space RC-1 approved Society Antique Modelers SAM 1982 compete its basic contest events authenticated desigu listed SAM Speaks accepted Antique Chets account 1934 put together RC-l first attempt radio controlling gasolineengine-powered model airplane am bitious project able launch gas model get air good height have reasonable flight return model vicinity launching siteall radio control sounded simple enough proved very substantial goaland easily attained competed rubber-powered events Nationals held Akron OH 108Model Aviation 1934 new ruling contest gas-powered models allowed compete against rubber-powered ones events such Moffet Mulvihill winner Texaco event made longest flight gas-powered model using new ruling limited amount fuel ound model weight Maxwell Bassett Philadelphia 1933 winner retained title flight 21 mm 57 sec Irwin Ohlsson Bill Atwood California See MA October 1986 Atwood flew two large approximately 9-ft-span gas-powered models Atwood designed gas engines both ships few gaspowered models unable climb high enough clear 1 2-story Goodyear dirigible air dock flew building engines running slid down its sides thought would great idea build gas job prevent fly-aways accidents controlling model radio What brave lad model airplane club Cleveland intrigued Brown Jr 60 engine just starting produced time Money sale several small Scale models built members club al lowed us purchase engines agreed club member would allowed use Brown short period time during year So designed built RC-1 7-ft-span cabin model waited turn use engine Brown Jr became available club fall 1934 could hardly wait get RC-l air Flying tests proved model very capable flying machine would climb steadily under power glide stable slow idea get model trimmed out bugs worked out before installing radio building models 10 yearsmostly rubber-pow ered Free Flight Scale Free Flight contest types what would now call Wakefield RC-1 provided good opportunity learn what Id need know further attempts produce successful flying controllable model indeed good starting point RC picture bleak 1934 did know anyone building built RC unit gas-powered model airplane fact some fellow mod elers considered bit unusual brought up subject Radio control equipment just did exist must remember gas-powered models flying about two years some very heavy radio equipment used control model boats lightplanes during WW amateur RC hobby composed few isolated experimenters using makeshift equipment produce successful models guided radio no minia ture components lightweight units avail able Parts radios extremely heavy Lightweight batteries werent availAntenna 3 V ignition battery Tuning coil 8 4j%condensor F Coherer-Glass tube 3 long filled mixture iron 8 silver file ings * gRudder actuator relay Clapper arm Airplane rudder tab Return spring Cable drive Rudder set right turn signal. left turn no signal COHERER TYPE RECEIVING UNIT able either receivers used filament high voltage plate bias batteries Most tubes being used high-drain fila ment type Beginnings model design design stems full-size cabin air planes flying could point design influential low throttle power landing stoogina viewed abovearound 2climbing turns tOaltitudeg-9l elongated fig 8stake off direction S turns looseitouch down oltitude 360 turns quicker losslanding Strip METHOD FOR LOOSING ALTITUDE FOR SMALL FIELD POWER-ON LANDINGS prepare landing alt 4A take offactivity I thermal landing strip METHOD USED FOR DEAD STICK LANDING ENGINE CUT OFF December 1986 109 LeT Hucky waiters prepares nis -n RC-1 ignition Orwick 60 version uses both flippers paper covered wed guess silkspan Chet says modern glow 45 can sustain near vertical climb aftertakeoff Right Tom McCoys lovely RC-1 famous among OldTimer fliers Lanzo saying Toms workmanship awes him ignition Super Cyke Toms 1000 sq bird has spectacular climb would greatest gas modeler time Maxwell Bassett RC-1 corporates lot 1933 cabin model design wingspan RC- 1 dictated 3-ft length balsa hand didnt like splice spars leading trailing edgesmade weakso used 3-ft tips added 1-ft center section give 7-ft span must have influenced other models mod elers some memories old times crystal clear others about 50 years old plans call silk covering make model durable long-lasting present-day RC original covered bamboo paper looked like blotting paper given three four coats heavy nitrate dope Butyrate available made tough inexpensive covering used silk could afford nitrate dope some what fuel-proof gas oil reason used black-pigmented nitrate dope front end engine compart ment Lacking bamboo paper wanted make tail sections lighter would use Japanese tissue double covering grain tissue cross ing right angles discourage puncture tears model RC-l design similar rubber-powered cabin-type models flying 1934 design philosophy time dictated airplanes have cowling over engine mess model cabin windshield windows side wing simple rectangle rounded tips conventional rudder elevator complete design -in-sq diagonals fuselage rigidity really necessary modem-day RC used Ambroid ce ment red-colored stuff also made homemade cement acetone cellu loid thought could eliminate heavy electrical equipment vacuum tubes batteries transformers relays would stand chance successful oper ation other words hoped simplify receiving end equipment thereby eliminate great deal weight coherer-type receiver its asso ciated spark-gap transmitter seemed fit requirements very satisfactorily simply detector relay-actuator combined engine ignition system bat teries power unit airborne equipment complete receiver turned out weigh less 8 oz transmitter simplicity itself Ford Model T spark coil 1923 vintage key pulse signal 6V auto storage battery made up bulk transmitter course also antenna tuned coil system Early radio tests RC- 1 very NQI COWL OPTIONAL LIFTS FROM FRONT & HINGED REAR ENGINE SET AT5T06 DOWNTHRIJGT rRIGHT REAR SPARFRONT SPAR NGTE REEF-SF SF REAR SPAR MIGHT NOT BE NEEDEDIo 0011 Inc colI 1THE RO-ONE I DESIGNED BY CHESTER D LANZO 11WINGSPANB4 INSWING AREAIOIO SQ INS 1POWER BROWN JR I/S HP 14 IN PROP 1iCOVERING SILK RED DOPE WITH BLACK TRIM 1 F 1 NI CA AT 43 TO 50% OF WINS CHORD FROM LE I__ WEIGHT GA OZG 4STAB Gin SCALE IN INCHESVSDOWELGLGNA 01 2 34 DRR10 1216DO24 RQIEFDRELEVATORCDNTRGL ____________________________________________________________[v32][b192130729400]]HINGE AS SAGAN 10 OaII 110 Model Aviation stable both powered flight glide Small movements rudder trimming would give nice large circle right left discovered model could handle additional eight receiver quite well built radio equipment bench-tested looked coherer receiver system viable method radio control although took lot fiddling fussing just get relay close stay closed eliminated gears motors devised very simple rudder control sys Continued page 182 THIS 1934 7 FREE FLIGHT DESIGN WAS ALSO FLOWN RC 4 ESIGN TAILORED HELICAL PITCH DEVELOPEOTOGIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALLTHELATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW DIAPITCH THP 1266778 136778 146778 1567 16678 PRICE 299 379 479 889 989 NEW PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10T020%INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCHPRICE 53/i34149 634149 72833456179 8334568189 845667199 9456677199 1045667209 106W8W209 106EW219 114677778229 115W229 11BEW239 1167239 124W279 125W279 1256279 1356349 1456459 1556659 164N969 16678969 RC PYLON RACING SERIES 500 DIA PITCH PRICE 7SN 5/N279 8I 677/8 299 SERIES 4000 86/s6777289 9777289 W WIDE BLADE EW EXTRA WIDE M MADAW Now available. either aluminum brass must epoxied place freewheel notch can cut file razor saw drive dog slips over back propeller engages blades glued propeller thus complies un modified prop rule Trimming flying Cyrano easy model trim trimming tech nique little unusual Work glide first mythical tall grass available use test glide over use softest substitute possible adjust ment available trim glide pitch CG Since no tail cannot change incidence advantage tail warps incidence cannot change ruin trim model glide adjusted adding clay nose model stalls tail glides too nose-down Turn can set small rudder tab trailing edge pylon sufficient small drag tab wing tip can also used Cyrano flies left-left pattern attempt fly right will spiral time Set power turn adjusting thrust line have found small amount left thrust usually re quired get good tight stall-free climb get left thrust either place shim under right side tail block sand away little left side fuselage tail block rests small amount downthrust may necessary control power stalling Cyrano wound hooking onto wire loop nose winder holder restrains model propeller Make absolutely sure freewheel notch has engaged propeller shaft before start winding holder will treated shaft run fingers will never forget Start text flights low power work up slowly maximum winds motor Cyrano 10-gram loop -in FAI rubber important weigh motors flying Cyrano Changing motor weight will change pitch trim airplane said before tailless models quite sensitive CG shifts Cymano easy model build has contest-winning performance worth building just watch ex pressions disbelief peoples faces cruises overhead Flying wings com petitive Try RC-1 /Lanzo-Winter Continued page 110 tem rewinding electromagnet Ford cut-out relay used com bination relay rudder operator placed extended arm clapper linked rudder two control strings control gave right turn against torque actuated left turn no signal no neutral equipment mounted plane engine nmning range very shortless 100 ft problem models ignition coil acting transmitter swamping signal ground-based transmitter Too bad glow plug engines available would say RC-1 should have considered successful RC model 1934 1935 tremendous success Free Flight model oould carry additional weight receivera quality contemporary models still aim flew RC-l local flying field never entered large contests retired after bad crackup should noted radio equipment shown nostalgic project useful RC setup coherer system works key transmitter pressed down sparking coil energized sends out continuous series sparks across spark gap resulting undamped electromag netic waves imposed across tuning coil oondenser tuned frequency waves sent out over air waves antenna antenna mounted model re ceives transmitted radio waves impressed tuning coil condenser also two end caps coherer coherer tube loosely filled about 50-5 0 mixture iron silver filings frequency signal impressed iron filings become magnetized stick together action also squeezes dispersed silver filings together decreases resistance across tube ends causing electrical current flow through ac tuatorContinued page 184 182 Model Aviation THE LEADER IN COM PETITION PROPELLERS ThE WORLDS VINTAGE SAILPLANES 1908-45 Martin Simons Hard hound 176 pages quality paper 248 beautiful black white photos plus 65 color plates nearly 100 finely detailed scale drawings magnifi cent collection rare information classic old-timers SPECIAL CONCESSION OFFER FROM THE PUBLISHER ONLY avail able readers send us 2 International Reply Coupons Ask Post Office will airmail free color brochure price details tell order write now KOOKADURRA TECHNICAL PUBLICATIONS Pty Ltd P0 Box 648 DandenonE 3175 Victoria Australia h -U I ri J actuator arm pulls giving rudder left run key released no signal being sent vibration Brown Jr engine transmitted coherer mounted engine firewall iron filings shaken loose way actuator circuit broken clearing system signal can received As can see receiver would operate engine running producing vibration necessary decohere receiver device similar doorbell ringer could have used rejected because weight Readers probably will recognize radio used early days wireless telegraphy before vacuum-type tube came use Modem-day kids prob ably dont know what vacuum tube either rudder actuator system described typical gear used nor used others couple years later what thought would workable unit time prove myself built another 1 2-ft-span model after RC-1 followed 9-ft-span sticktype plane hangs AMA Mu seum Reston VA None equip ment museum model similar what used RC- 1 am collecting some old type-30 tubes other RC equipment build duplicate receiver transmitter museum model does have proper receiver now Construction notes construction techniques shown plan OK Free Flight version building RC- 1 Radio Control may get heavy stunt loads wings suggest adding n spruce spars existing spars beef up increased stress Fuselage The conventional method stick construction fuselage has used numerous Old-Timer models looks flimsy difficult actually type construction incredibly strong its weight requires small amount experience building stickand-paper-type airplanes RG- 1 can successfully towed up 1000 ft using standard tow winch towline same manner modem Sailplane models Attach tow hook under belly airplane Use -inthick plywood insert fit inside body longerons crosspieces tow hook can made out simple bent-screw hook like cup hanger Install -in-sq hardwood reinforcing crosspieces hook inside fuselage hook should positioned about ard center gravity CG location CG incidentally should about one-third wing chord leading edge towline has parachute attached sure make inoperative wrapping rubber around Better yet remove chute entirely may easily caught landing gear happens flier will lot anxious con trolling trying bring model landing precaution take launching tow go easy power switch Small short pulses will job Watch upper surface model towed upward first few flights Wrinkling covering near dihedral joints will indicate over-stressing wing point must let up winch power switch prevent wing col lapse would recommend use ruce reinforcing spars wing intend winch-launching RC- 1 Remove prop place spinner shaft safety Ive made flights five minutes RC- 1 towed good weather Try Youll like Setting up RC- 1 flying Never fly downwind gliding Youll drift farther downwind tension will build open way mistakes model will eventually disappear leamed early days RC equipment unpredictable unreliable Gliding up wind can make kinds mistakes model will eventually drift right back you get model down its caught powerful thermal have no flaps spoilers dive brakes RC model best way get out rising currents air spin down stalled tum sure have plenty up elevator 1 50—and plenty rudder throw put spin pull back full stick full up elevator about two seconds later apply full left rudder will result tight left spin like put rudder elevator control righthand side transmitter controls throttle left attitude plane will spin down very nicely creasing its downward speed problem trying dive out large thermal giving down elevator speed will build up incredibly causing shredding wing tail producing high-speed flutter also possible snap wing pulling out high-speed dive no matter gently pull back stick practice stalled spin maneuver much possible youre under non-thermal conditions spin maneuver also very good youre caught cloud model disappears fluffy stuff Put stalled tum hold breath pretty soon will see model re appear can bring down safe altitude Heres way find elusive thermals RC-l youre glide Picture mind hot-air balloon floating air Its about 200 300 ft diameter about 500 ft high basket about 100 ft off ground balloon represents good-sized thermal its rising expanding same time have penetrate big column air has tough outer layer youll need hit head-on model will tend bounce off its tough hide deflected off side Watch RC-l very carefully will tell thermal Fly model straight ahead hands off controls notice model starting rise already thermal good changes course either right left tum back thermal until have penetrated Once inside thermal circle right left 50-ft circles same time applying small amount up trim elevator Just watch 184 Model Aviation NEW FOR 1987 CYCLONE SUPER 65 CLASSIC IGNITION ENGINES BIG BORE 647 CU IN DISPL Factory tested ready run md Display Box Coil Cond Lead Plug Owners Manual Parts List Cowl Decals Price $19950 plus $5 ship Credit price 21500 includes shipping MasterCard/Visa welcome ORDER NOW early delivery SUPER CYCLONE ENGINFS Box 26390 Phoenix Arizona 85068 602 870-3342 auto ans Dealers & Distributors Welcomed Phone 703 273-9593 FLYLINE MODELS INC PO Bex 2136 Peirfax VirgInia 22031 USA model climbs away its own seem get greatest pleasure out RC-l glide looking thermals Soar ing about silent flight idea ultimate RC flying Flying instructions Run engine bench good half hour until will start couple flips prop Work out a11 bugs install engine plane Check center gravity coincides position shown plans sport flying CG can moved forward 33% position one-third chord leading edge wing position will give stable setup beginning flier rearward position shown draw ings will give little less sinking speed small sacrifice longitudinal sta bility first test flight best made day sunny warm no wind light steady breeze like fly afternoon 4 pm until sundown wind down hot-rod fliers have left flying site enjoy being alonejust modelbut safety its best have someone along Adjust engine very low idle just enough pull move model over grass field Taxi around landing strip about two tanks gas get feel model controls Set model down middle takeoff area facing wind apply one-eighth one-quarter throttle model will taxi about 20 ft beoome airborne RC-1 should climb slowly steadily one-quarter throttle just relax enjoy ship gently climbs turns direction should fly straight level controls neutral lowest throttle setting can found engine large elevator area RC-1 almost impossible stall glide under low power easiest way land power shut off Bring model over landing strip downwind side about 20 ft altitude cut throttle model will glide using up 50 100 ft strip settle grass Just before touch down give tap up elevator true three-point semi-stalled landing Power-on landings low throttle can made just easily small amount down trim elevator RC-1 very gentle stable model under low throttle very difficult get trouble full throttle model becomes very active fast Hold rudder give full throttle let er go shell hop off ground 5 10 ft start climbing Add small amount down elevator near-vertical climb will continue until model almost Out sight 45 seconds engine run number ways RC- 1 may flown see sketches Climb 900 ft throttle back engine near idle anl bit right trim rudder RC-l will float around large circleshands off wouldnt hate bring down out graceful near zeropowered glide RC- 1 constructed shown slow-flying predictable sport-type model has flown Old-Timer compe K 5 titions suited Texaco Antique classes SAM events also does well limited-engine-run classes dont fly RC-1 Pattern events have lot fun trying beat modem RC models fun-fly event held local club Valley City RC Club Powered glow 45 engine RC-l takes off full-throttle nearvertical climb spectators gasp course nothing like flying done 1934 Since Chet has about 800 plans RC-1and because much interest arising its discovery magazine service will supply plans detailed full-size plans available $800 postage paid Chet Lanzo 1485 Lester Rd Valley City OH 44280 Tom McCoys mods RC-l Since McCoy specializes high-performance SAM FF-RC Assist evolved changes suit requirements pertaining wing construction have special significance sport RC fliers may indulge simple aerobatics use machine power winch Lanzo described JUST EW I4ORE FLIGRTS ACE AND ThEN ILL LET YOU FLY ER December 1986 185 Classic R/CSaleLAK5 TN D Wing 15 25 Engines ADVERTISERS INDEX 1 AMA Checks AMA Membershin AMA Mortgage Academy Aviatu Ace Radio Control Aero Plans N Aerodrome Models Airtronics American Jr Right Quay Barber Models Beer Can Bombers Bell Rock Industries Blue Ridge Machinery Brechin Enterprises Byron ariginals CH Electronics RC Products nell Tools Co elis Custom Kits Engine Imports aTaffinder sburn Mfg Hobbies Model Supply Elect ners Guide e Hobbies Designs Systems Corp. Diesel Developm Hobby Shop Products Inc ist Props Design Corp Supply Inc Master Aodels cale Models oducts Corp Amen n Products following quoted McCoys des cription As know RC- 1 rudderonly Free Flight model lot changes version begin SERS ometr irl Gc Golden Gorhai odels del Mfg nited ft Sons ion rn ay v lnternati ods Model Inc.. Sales Inc. J Sales . s Models Jolly Model Technical F raftsmanship Lind Co Models ucts Model Airplanes niel RC Service. sers Quality Model Mark o Model Engineering oX Expo Magic Products Rectifier Corp s Hobbies Products Inc. cts chnology ie Ent lymers Enterprises hinged stab second spar obvious elevator/stab break leading edge elevator elevator very large must moved very small arc model devil under power X ADVER n International Che n Valley Hobby Ce Products s Hobby cesion Built Models nress Mfg Co. ne Corp Digest ign Research stries South Tech International llsport y TG Industries e City Model Research Plans Photo RC Snap rock Competition Imp ns Hobby Shop Mfg Co Smith Industries Kraft Products Cyclone Engines Sweitzen Research Associ Products Co id Thompson RC Conft Rite Models Hobbies. Turn Engineei E Technical S indit Mfg Brothers Model Propeller Mfg Co Engines y Mfg Inc Aviation Marketing b solution dual rates works great dont have dual-rate radio careful move elevator /2 up down pushrod 3/6-rn sq carbon fiber reinforcement 186Model Aviation No 535 Atrix$725 RC Class D Sailplane spans 110 4-ch RC No 536 Cyrano II$325 FF P-30 Rubber flying wing canard spans 28 No 537 Cessna 206 Caravan$300 CL Sport Scale 02 electric power spans 37 U aD 0 CJ - eg 0 U0 -0 c3 stun 0 0 zao 0 000 0 r U 5 woo 2en So CU 0 5 j3 00 0 00 U 0 e 0 O5r C 0 U V 000 0 00 U 0 0 U U 0 mc 4 J 0 U 05 CITY N 00 l1 Stiletto CL Stunt model lMcOonaldl winnm 1976 1980 1982 PAl World Champs$375 BIoo Birds SC Ken Willards formation pIerre 4-cfranoel 10/15 power$375 Croshmostor Cf Crash-proof trainer two sizest 5/30 35/40 power$125 Mini P-lU SC Sarpolus 049 docted-fan sport flier 2-channel Balsa wings tail fone structure$275 1930 FloeS Bituloon SC Sport Scale 35/40 4-channel Wingspan 50 0 /n scale Twn sheets$625 Drake II SC Ken Willards flying hoot 3-chanwi 15-power fly land wdh remonahle gear5375 Toylor Cob SC Don Srulls Schoolyard-Scale 049s 2-3 channel Spans SOin6350 Zophyr SC Small 2-channel glider fun hand-launch tow thermal slope soaring$200 tenor 200 SC Sport Scale replica nf championship Aerohatic flier Uses 40 power 4-5 channel Two sheets91075 Bloctric Sparky C Electric-powered fun flier 05 mntor 3-channel SC scaled-up 1939 ruhher-power fanorite$050 Croinor PP Emhryo Endurance rohherpower fun ship has hig-model characteristics$200 Canolior SC Old-Timer-like now design has huge wing fnr easy flights 35 power 3 channels Two sheets91725 Firelseit SC Pusher canard spnrn/pa0ert 0000 40 puoher engine 4-channel Has swept-forward fnam wings$050 Mine Amonica SC Old-Timer Teoeco model 049 glow 2-channelsS050 Swoon P-30 PP Neat stickand-tissue Outdoor Sohher P-30-cless model contest-winner9200 Spoctra SC Electricpower 05size motor uses 3 different wings sport soaring aerohatics6700 4-40 SC Shoulder-wing sport flier 4-cycle 40-size engine 4 channels6050 Bloc Moe Ii BC Fun-fly oportnter 40-size engines spans 52 Lightweight structure$700 Stroker SC Mid-wing opnrtster uses 40/45 four-stroke engine opens Soyfi tail-dragger$650 Bottorcop SC Cute elfin sportster uses micro 2-ch SC pulse-rudder Spans 21 020/035 power$300 Weekender SC Low-wing spud flier 20-tize 4-stroke engine spans 47 in$575 4-SO SC Soc Mathews great sport flier 00-size four-stroker engine spans 70 Two sheets$t275 Fnkkor DVIII SC Sport Scale model WW f monoplane uses 90 four-stroke engine spans 03 Two sheets61000 Bill Wintors Vagabond PP Sport flier down-sized 02-powered aersion 1940s cehin plane Spans 33 in$225 Buzzkot SC Slopesoarer spans 60 in. uses 2 SC channels$750 P-38 Lightolog CL Sport Scale fighter spans 65 weigho 10 lh user twin 35s Two sheets$1175 Playnsoto SC Sport flier fur 3 SC channels t5/25-size engines spans 50 in$650 ltummiobird PP Hot cleos A/B competition plane own 05 Nets$750 0-258 CL Profile scale WW humher twin engines spans 30 in$400 Ronene 18 PP Hand-Launched Slider features cursed 10-in wing ItT$150 Stoospor PP Hand-Launched Slider has angular 10-in wing OT9150 F-iS CL profile scale fighter spaes 17 has tricycle landing gear$200 Entre 230 SC Giant Scale acrohatic plane spano 0 ft uses Ouadra engine Two plan sheets$1650 Block Beauty SC Slop-snaring racer has foam wing 3-ch SC spaes 114 in$750 Honey T SC Spoetnfer 2-3 channel SC spans 52 has adiustahle wing flaps$475 Weotleoti Whirlwind SC Sport Scele WW II twin-engined fighter fur 10-size engines spans 55 Two plan sheets$1150 Envoy CL Stunter 40/46 power spans 50 in$675 Poke Fnrd SC Sperteter three engines 3-ch SC Spans 50 Two plan sheets$575 Project P-13 PP Scale German WW II flyino wing pusher/tractor mhher power spans 26 in$325 Gee Bno S-i CL Profile sport flier fur 25 engines spans 36 in$475 Flight Aneingant Wheeled flight hoo carries lots Two plan sheets$11 SIt ComeS Jr Clipper Plus 30% SC Old-Timer oportoter engine 2-ch SC spans 48 in$650 Bonn Petto SC Semmnder-scale hipe 40180 engines spans 43 Two plae sheets$1050 Dowowolker PP Superlight Onlimited/Mulnihill ruhher-pnwered competition plane spans 42 in$400 Teocs Rat CL Another mggnd nersion Midwest Sport Sacer 40 engines spans 24 in$275 Hi-Tuck 2002 SC Caeand dusted-fan 45 engines spans 39 Two sheets$1000 KiSi Hem CL Mustly-cwdhnard spurt-scale WW II Japanese fighter foe 40 wgine spans 60 Two plan sheets$1150 Mios RJ SC World Champine FAI Pylon Sacer 40 neginos spaes 51 in$550 Swallow SC Lightweight hotdogger 40-size four-stroke negines spans 50 er$825 POY Catalina PP Skinny Scale Im two CO-2 motors Spans 32 AII-sheet-halsa constmctiun$325 Toonansi CL Profile scale spans 2t inches Allsheet-helen consterstern$225 Terrible Coupe PP Suhher-power Coupe dHiner spans 40 in$475 Boky Bird CL Tiny Stanter uses 049 diesel glow spew 34 in. has flaps$400 Ceosoa C-37 SC Schoolyard Scaler 1930s pIerre fnr 049/1 0 power 2-ch spans 42 in$500 1038 Challenger SC Texaco Old-Timer spans 47 Pun 049 engine 2-ch SC$550 Circle numbers plans wish order 193 332 454 499 508 515 522 529 239 386 457 500 509 516 523 530 262 414 460 502 510 517 524 531 302 438 465 503 511 518 525 532 310 440 470 505 512 519 526 533 314 444 478 506 513 520 527 534 326 447 490 507 514 521 528 535 536537 Plan price Includes firoS class postage tar US delivery IS Air Mail over 300 miies orders Bulside lbs US please add $250 Air Mail $125 surfaCe mail I Make check mocey order payable US funds Model Aviation CIO AMA 1810 Samuel Morse Dr RBsfon VA 22090 Please allow 3 6 weeks delivery Please print carefully Enclosed $ STREET STATE ZIP could use -in sq hard well model has short nose must keep tail light radio gear far forward possible model uses ignition Super Cyclone 60 ignition battery coil mounted up front helps servos mounted piece t/06 ply n balsa under-structure setup adds structural strength cabin area three servos rudder throttle elevator throttle miniature plastic bat handle switch hole drilled through handle pushrod wire use two solder grommets adjust proper throws two chargingjacks tray radio battery other ignition bat tery bent Vs wire hooks epoxied onto floor model use large rubberbands looped around wing pegs hold receiver batteries Ive using Otto Burnharts transistorized igni tion setup product No 77 markets about $25 drive unit two sub-C Ni-Cds requires no booster battery have ignition power need setup adds up 3-oz battery pack 1-oz coil ignition module pretty light trouble-free wing can problem suggest spars reinforced cut sizes down ed spars Y06 spruce top bottom think carbon fiber would super area would highly recommend area landing gear used 1 x -in plywood across fuselage both front back used rear brace pivot point landing gear nylon landing gear straps Goldberg 4-40 bolts blind nuts inside gear rests -in notch front used Yt dowel wrap rubberbands around creating swing-back gear very rugged original model showed Brown Jr engine fully cowled Ive used Super Cyclone much larger gives super climb 55-second engine run can climb model almost out sight opted replace cowl own half cowla hollow rear engine fairing makes clean design kept opening around engine tight clean could make Chet says likes cowl arrangement helps clean up nose thinks RC- 1 models built havent cowls Another suggestion put h-in plastic tube tail model under stab will used weight box adding removing lead shot can move CG around until get model balanced way want Nice able move CG forward windy day just removing weight model covered silk dope very strong weight Gen erally would suggest fabric coverings structure very light must stressed-skin covering feel whole structure would have beefed up 188 Model Aviation No 193 No 239 No 262 No 302 No 310 No 314 No 326 No 332 No 306 No 414 No 430 No 440 No 444 No 441 No 454 No 451 No 460 No 465 No 410 No 478 No 400 No 400 No 500 No 502 No 503 No 505 No 506 No 501 No 508 No 509 No 510 No 511 No 512 No 513 No 514 No 515 No 516 No 511 No 518 No 519 No 520 No 521 No 522 No 523 No 524 No 525 No 526 No 527 No 528 No 520 No 530 No 531 No 532 No 533 No 534
Edition: Model Aviation - 1986/12
Page Numbers: 106, 107, 108, 109, 110, 182, 184, 185, 186, 188
NO OCR TEXT Opposite page top Coming spot landing under radio control Chats own RC-1 settles like graceful bird 1934 year its birth such photo would have nearly impossible Nothing landed nearby including RC models nationwide could numbered fingers hand RC-1 SAM-approved Antique FP Opposite page bottom few seconds later Chet finishes slight S just prior two-wheel landing walk after session dead-stick soaring Above Coming after 5-mm soaring flight Chet removes propengine ballastand launches standard winch Youll find some fascinating techniques text cluding slight mods teacup hanger hook Chet watches wrinkles covering during launch eases off necessary Says might wish add auxIliary spar Lanzos co-author says has enough trouble just seeing plane flight much less wrinkles WHEN CHET LANZO WAS 20 half century ago created remarkably simple functional grace ful gas model superb flying ability contemporary famed Bassett designs KG Kovel-Orant published MAN 1 930s fact two designs Lanzos spiration attempted develop gas model own objective radiocontrolled flight name RC-l testi fies Sometime around 1934 story about Chet historic craft appeared Cleveland Press along excellent photo plane its creator newspapers lead-in read high-wing cabin monoplane 7-ft spread powThis flyby shows RC-1 elevatoron right Its enough though Chet notes model requiresvery little elevatorto responsive Modern-day spinner used starting ease ered gasoline engine capable 50 mph equipped radio controls may operated ground ambitious model airplane project de veloped Chester Lanzo Junior Aviator National Air Races article went relate Chet interested models 10 years already flown two large models recalled experience craft shops East End neighborhood house graduation East Technical High Chet begins takeoff roll RC-1 Covering red-colored silk black trim using butyrate dope Cutoff Important feature use glow set up carb throttle barrel cuts off air kills engine transmitter trim moved full idle December 1986 107 Left The ignition SuperCyclone installed Tom McCoys RC-1 McCoys own hand-carved 13 x4 based HA ThomasAir Trails article 19509 Note attachment rubbershock band landing gearto dowel sideofthe nose cheek Right Detailsof wire gear Thinner cross wires prevent splaying Cross section front one-piece leg free move down back restrained rubberband shocks both sides rear wire can pivot under three nylon strap fittings provide smooth yet sturdy landings Left Center servo operates ignition Kill switcn Mcloys snip Ball-links attach others square balsa pushroifS Battery pack rubberband-wrapped suspended front hold-down dowel two loops band Right Clevis rods have unthread end joined wire pushrod extensions via soldering connectors Stab airfoil 50%-thick Clark Y CG therefore 45 50% wing chord School studied aeronautical engineering peers abroad consider Chet worlds finest modelers achievements monumental know Chet will disapprove last two sen tences because self-effacing style humble guybut necessary say order account out-ofthe-blue events unfold below Lanzos 1937 Nats-winning RC seem ingly step backward configu ration forgotten 1934 plane display AMA Museum follows ancient Lanzo tradition stick-type wire cabane polyhedral Free Flights employed successfully RC Its primi tive radio now seems like something Ice Age course radio RC-1 never described goes back Dinosaurs Chet will talk about vintage Marconi may make loose words awareness RC- 1 began chance photo deBolt winning model Tom McCoy March 1986 Antenna Interupter Spark gap Model T auto Fordiii sparking coiI~ Tuning coil & 6 volt _con dens storage Signal key SPARK GAP TRANSMITTER issue able include item RC- 1 three-view drawing thanks both Tom Chet overwhelmed Chets invitation write RC- 1 story him feel profoundly honored have organized Chets comments precisely spoke questions understood eliminated permit Chet maximum space RC-1 approved Society Antique Modelers SAM 1982 compete its basic contest events authenticated desigu listed SAM Speaks accepted Antique Chets account 1934 put together RC-l first attempt radio controlling gasolineengine-powered model airplane am bitious project able launch gas model get air good height have reasonable flight return model vicinity launching siteall radio control sounded simple enough proved very substantial goaland easily attained competed rubber-powered events Nationals held Akron OH 108Model Aviation 1934 new ruling contest gas-powered models allowed compete against rubber-powered ones events such Moffet Mulvihill winner Texaco event made longest flight gas-powered model using new ruling limited amount fuel ound model weight Maxwell Bassett Philadelphia 1933 winner retained title flight 21 mm 57 sec Irwin Ohlsson Bill Atwood California See MA October 1986 Atwood flew two large approximately 9-ft-span gas-powered models Atwood designed gas engines both ships few gaspowered models unable climb high enough clear 1 2-story Goodyear dirigible air dock flew building engines running slid down its sides thought would great idea build gas job prevent fly-aways accidents controlling model radio What brave lad model airplane club Cleveland intrigued Brown Jr 60 engine just starting produced time Money sale several small Scale models built members club al lowed us purchase engines agreed club member would allowed use Brown short period time during year So designed built RC-1 7-ft-span cabin model waited turn use engine Brown Jr became available club fall 1934 could hardly wait get RC-l air Flying tests proved model very capable flying machine would climb steadily under power glide stable slow idea get model trimmed out bugs worked out before installing radio building models 10 yearsmostly rubber-pow ered Free Flight Scale Free Flight contest types what would now call Wakefield RC-1 provided good opportunity learn what Id need know further attempts produce successful flying controllable model indeed good starting point RC picture bleak 1934 did know anyone building built RC unit gas-powered model airplane fact some fellow mod elers considered bit unusual brought up subject Radio control equipment just did exist must remember gas-powered models flying about two years some very heavy radio equipment used control model boats lightplanes during WW amateur RC hobby composed few isolated experimenters using makeshift equipment produce successful models guided radio no minia ture components lightweight units avail able Parts radios extremely heavy Lightweight batteries werent availAntenna 3 V ignition battery Tuning coil 8 4j%condensor F Coherer-Glass tube 3 long filled mixture iron 8 silver file ings * gRudder actuator relay Clapper arm Airplane rudder tab Return spring Cable drive Rudder set right turn signal. left turn no signal COHERER TYPE RECEIVING UNIT able either receivers used filament high voltage plate bias batteries Most tubes being used high-drain fila ment type Beginnings model design design stems full-size cabin air planes flying could point design influential low throttle power landing stoogina viewed abovearound 2climbing turns tOaltitudeg-9l elongated fig 8stake off direction S turns looseitouch down oltitude 360 turns quicker losslanding Strip METHOD FOR LOOSING ALTITUDE FOR SMALL FIELD POWER-ON LANDINGS prepare landing alt 4A take offactivity I thermal landing strip METHOD USED FOR DEAD STICK LANDING ENGINE CUT OFF December 1986 109 LeT Hucky waiters prepares nis -n RC-1 ignition Orwick 60 version uses both flippers paper covered wed guess silkspan Chet says modern glow 45 can sustain near vertical climb aftertakeoff Right Tom McCoys lovely RC-1 famous among OldTimer fliers Lanzo saying Toms workmanship awes him ignition Super Cyke Toms 1000 sq bird has spectacular climb would greatest gas modeler time Maxwell Bassett RC-1 corporates lot 1933 cabin model design wingspan RC- 1 dictated 3-ft length balsa hand didnt like splice spars leading trailing edgesmade weakso used 3-ft tips added 1-ft center section give 7-ft span must have influenced other models mod elers some memories old times crystal clear others about 50 years old plans call silk covering make model durable long-lasting present-day RC original covered bamboo paper looked like blotting paper given three four coats heavy nitrate dope Butyrate available made tough inexpensive covering used silk could afford nitrate dope some what fuel-proof gas oil reason used black-pigmented nitrate dope front end engine compart ment Lacking bamboo paper wanted make tail sections lighter would use Japanese tissue double covering grain tissue cross ing right angles discourage puncture tears model RC-l design similar rubber-powered cabin-type models flying 1934 design philosophy time dictated airplanes have cowling over engine mess model cabin windshield windows side wing simple rectangle rounded tips conventional rudder elevator complete design -in-sq diagonals fuselage rigidity really necessary modem-day RC used Ambroid ce ment red-colored stuff also made homemade cement acetone cellu loid thought could eliminate heavy electrical equipment vacuum tubes batteries transformers relays would stand chance successful oper ation other words hoped simplify receiving end equipment thereby eliminate great deal weight coherer-type receiver its asso ciated spark-gap transmitter seemed fit requirements very satisfactorily simply detector relay-actuator combined engine ignition system bat teries power unit airborne equipment complete receiver turned out weigh less 8 oz transmitter simplicity itself Ford Model T spark coil 1923 vintage key pulse signal 6V auto storage battery made up bulk transmitter course also antenna tuned coil system Early radio tests RC- 1 very NQI COWL OPTIONAL LIFTS FROM FRONT & HINGED REAR ENGINE SET AT5T06 DOWNTHRIJGT rRIGHT REAR SPARFRONT SPAR NGTE REEF-SF SF REAR SPAR MIGHT NOT BE NEEDEDIo 0011 Inc colI 1THE RO-ONE I DESIGNED BY CHESTER D LANZO 11WINGSPANB4 INSWING AREAIOIO SQ INS 1POWER BROWN JR I/S HP 14 IN PROP 1iCOVERING SILK RED DOPE WITH BLACK TRIM 1 F 1 NI CA AT 43 TO 50% OF WINS CHORD FROM LE I__ WEIGHT GA OZG 4STAB Gin SCALE IN INCHESVSDOWELGLGNA 01 2 34 DRR10 1216DO24 RQIEFDRELEVATORCDNTRGL ____________________________________________________________[v32][b192130729400]]HINGE AS SAGAN 10 OaII 110 Model Aviation stable both powered flight glide Small movements rudder trimming would give nice large circle right left discovered model could handle additional eight receiver quite well built radio equipment bench-tested looked coherer receiver system viable method radio control although took lot fiddling fussing just get relay close stay closed eliminated gears motors devised very simple rudder control sys Continued page 182 THIS 1934 7 FREE FLIGHT DESIGN WAS ALSO FLOWN RC 4 ESIGN TAILORED HELICAL PITCH DEVELOPEOTOGIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALLTHELATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW DIAPITCH THP 1266778 136778 146778 1567 16678 PRICE 299 379 479 889 989 NEW PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10T020%INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCHPRICE 53/i34149 634149 72833456179 8334568189 845667199 9456677199 1045667209 106W8W209 106EW219 114677778229 115W229 11BEW239 1167239 124W279 125W279 1256279 1356349 1456459 1556659 164N969 16678969 RC PYLON RACING SERIES 500 DIA PITCH PRICE 7SN 5/N279 8I 677/8 299 SERIES 4000 86/s6777289 9777289 W WIDE BLADE EW EXTRA WIDE M MADAW Now available. either aluminum brass must epoxied place freewheel notch can cut file razor saw drive dog slips over back propeller engages blades glued propeller thus complies un modified prop rule Trimming flying Cyrano easy model trim trimming tech nique little unusual Work glide first mythical tall grass available use test glide over use softest substitute possible adjust ment available trim glide pitch CG Since no tail cannot change incidence advantage tail warps incidence cannot change ruin trim model glide adjusted adding clay nose model stalls tail glides too nose-down Turn can set small rudder tab trailing edge pylon sufficient small drag tab wing tip can also used Cyrano flies left-left pattern attempt fly right will spiral time Set power turn adjusting thrust line have found small amount left thrust usually re quired get good tight stall-free climb get left thrust either place shim under right side tail block sand away little left side fuselage tail block rests small amount downthrust may necessary control power stalling Cyrano wound hooking onto wire loop nose winder holder restrains model propeller Make absolutely sure freewheel notch has engaged propeller shaft before start winding holder will treated shaft run fingers will never forget Start text flights low power work up slowly maximum winds motor Cyrano 10-gram loop -in FAI rubber important weigh motors flying Cyrano Changing motor weight will change pitch trim airplane said before tailless models quite sensitive CG shifts Cymano easy model build has contest-winning performance worth building just watch ex pressions disbelief peoples faces cruises overhead Flying wings com petitive Try RC-1 /Lanzo-Winter Continued page 110 tem rewinding electromagnet Ford cut-out relay used com bination relay rudder operator placed extended arm clapper linked rudder two control strings control gave right turn against torque actuated left turn no signal no neutral equipment mounted plane engine nmning range very shortless 100 ft problem models ignition coil acting transmitter swamping signal ground-based transmitter Too bad glow plug engines available would say RC-1 should have considered successful RC model 1934 1935 tremendous success Free Flight model oould carry additional weight receivera quality contemporary models still aim flew RC-l local flying field never entered large contests retired after bad crackup should noted radio equipment shown nostalgic project useful RC setup coherer system works key transmitter pressed down sparking coil energized sends out continuous series sparks across spark gap resulting undamped electromag netic waves imposed across tuning coil oondenser tuned frequency waves sent out over air waves antenna antenna mounted model re ceives transmitted radio waves impressed tuning coil condenser also two end caps coherer coherer tube loosely filled about 50-5 0 mixture iron silver filings frequency signal impressed iron filings become magnetized stick together action also squeezes dispersed silver filings together decreases resistance across tube ends causing electrical current flow through ac tuatorContinued page 184 182 Model Aviation THE LEADER IN COM PETITION PROPELLERS ThE WORLDS VINTAGE SAILPLANES 1908-45 Martin Simons Hard hound 176 pages quality paper 248 beautiful black white photos plus 65 color plates nearly 100 finely detailed scale drawings magnifi cent collection rare information classic old-timers SPECIAL CONCESSION OFFER FROM THE PUBLISHER ONLY avail able readers send us 2 International Reply Coupons Ask Post Office will airmail free color brochure price details tell order write now KOOKADURRA TECHNICAL PUBLICATIONS Pty Ltd P0 Box 648 DandenonE 3175 Victoria Australia h -U I ri J actuator arm pulls giving rudder left run key released no signal being sent vibration Brown Jr engine transmitted coherer mounted engine firewall iron filings shaken loose way actuator circuit broken clearing system signal can received As can see receiver would operate engine running producing vibration necessary decohere receiver device similar doorbell ringer could have used rejected because weight Readers probably will recognize radio used early days wireless telegraphy before vacuum-type tube came use Modem-day kids prob ably dont know what vacuum tube either rudder actuator system described typical gear used nor used others couple years later what thought would workable unit time prove myself built another 1 2-ft-span model after RC-1 followed 9-ft-span sticktype plane hangs AMA Mu seum Reston VA None equip ment museum model similar what used RC- 1 am collecting some old type-30 tubes other RC equipment build duplicate receiver transmitter museum model does have proper receiver now Construction notes construction techniques shown plan OK Free Flight version building RC- 1 Radio Control may get heavy stunt loads wings suggest adding n spruce spars existing spars beef up increased stress Fuselage The conventional method stick construction fuselage has used numerous Old-Timer models looks flimsy difficult actually type construction incredibly strong its weight requires small amount experience building stickand-paper-type airplanes RG- 1 can successfully towed up 1000 ft using standard tow winch towline same manner modem Sailplane models Attach tow hook under belly airplane Use -inthick plywood insert fit inside body longerons crosspieces tow hook can made out simple bent-screw hook like cup hanger Install -in-sq hardwood reinforcing crosspieces hook inside fuselage hook should positioned about ard center gravity CG location CG incidentally should about one-third wing chord leading edge towline has parachute attached sure make inoperative wrapping rubber around Better yet remove chute entirely may easily caught landing gear happens flier will lot anxious con trolling trying bring model landing precaution take launching tow go easy power switch Small short pulses will job Watch upper surface model towed upward first few flights Wrinkling covering near dihedral joints will indicate over-stressing wing point must let up winch power switch prevent wing col lapse would recommend use ruce reinforcing spars wing intend winch-launching RC- 1 Remove prop place spinner shaft safety Ive made flights five minutes RC- 1 towed good weather Try Youll like Setting up RC- 1 flying Never fly downwind gliding Youll drift farther downwind tension will build open way mistakes model will eventually disappear leamed early days RC equipment unpredictable unreliable Gliding up wind can make kinds mistakes model will eventually drift right back you get model down its caught powerful thermal have no flaps spoilers dive brakes RC model best way get out rising currents air spin down stalled tum sure have plenty up elevator 1 50—and plenty rudder throw put spin pull back full stick full up elevator about two seconds later apply full left rudder will result tight left spin like put rudder elevator control righthand side transmitter controls throttle left attitude plane will spin down very nicely creasing its downward speed problem trying dive out large thermal giving down elevator speed will build up incredibly causing shredding wing tail producing high-speed flutter also possible snap wing pulling out high-speed dive no matter gently pull back stick practice stalled spin maneuver much possible youre under non-thermal conditions spin maneuver also very good youre caught cloud model disappears fluffy stuff Put stalled tum hold breath pretty soon will see model re appear can bring down safe altitude Heres way find elusive thermals RC-l youre glide Picture mind hot-air balloon floating air Its about 200 300 ft diameter about 500 ft high basket about 100 ft off ground balloon represents good-sized thermal its rising expanding same time have penetrate big column air has tough outer layer youll need hit head-on model will tend bounce off its tough hide deflected off side Watch RC-l very carefully will tell thermal Fly model straight ahead hands off controls notice model starting rise already thermal good changes course either right left tum back thermal until have penetrated Once inside thermal circle right left 50-ft circles same time applying small amount up trim elevator Just watch 184 Model Aviation NEW FOR 1987 CYCLONE SUPER 65 CLASSIC IGNITION ENGINES BIG BORE 647 CU IN DISPL Factory tested ready run md Display Box Coil Cond Lead Plug Owners Manual Parts List Cowl Decals Price $19950 plus $5 ship Credit price 21500 includes shipping MasterCard/Visa welcome ORDER NOW early delivery SUPER CYCLONE ENGINFS Box 26390 Phoenix Arizona 85068 602 870-3342 auto ans Dealers & Distributors Welcomed Phone 703 273-9593 FLYLINE MODELS INC PO Bex 2136 Peirfax VirgInia 22031 USA model climbs away its own seem get greatest pleasure out RC-l glide looking thermals Soar ing about silent flight idea ultimate RC flying Flying instructions Run engine bench good half hour until will start couple flips prop Work out a11 bugs install engine plane Check center gravity coincides position shown plans sport flying CG can moved forward 33% position one-third chord leading edge wing position will give stable setup beginning flier rearward position shown draw ings will give little less sinking speed small sacrifice longitudinal sta bility first test flight best made day sunny warm no wind light steady breeze like fly afternoon 4 pm until sundown wind down hot-rod fliers have left flying site enjoy being alonejust modelbut safety its best have someone along Adjust engine very low idle just enough pull move model over grass field Taxi around landing strip about two tanks gas get feel model controls Set model down middle takeoff area facing wind apply one-eighth one-quarter throttle model will taxi about 20 ft beoome airborne RC-1 should climb slowly steadily one-quarter throttle just relax enjoy ship gently climbs turns direction should fly straight level controls neutral lowest throttle setting can found engine large elevator area RC-1 almost impossible stall glide under low power easiest way land power shut off Bring model over landing strip downwind side about 20 ft altitude cut throttle model will glide using up 50 100 ft strip settle grass Just before touch down give tap up elevator true three-point semi-stalled landing Power-on landings low throttle can made just easily small amount down trim elevator RC-1 very gentle stable model under low throttle very difficult get trouble full throttle model becomes very active fast Hold rudder give full throttle let er go shell hop off ground 5 10 ft start climbing Add small amount down elevator near-vertical climb will continue until model almost Out sight 45 seconds engine run number ways RC- 1 may flown see sketches Climb 900 ft throttle back engine near idle anl bit right trim rudder RC-l will float around large circleshands off wouldnt hate bring down out graceful near zeropowered glide RC- 1 constructed shown slow-flying predictable sport-type model has flown Old-Timer compe K 5 titions suited Texaco Antique classes SAM events also does well limited-engine-run classes dont fly RC-1 Pattern events have lot fun trying beat modem RC models fun-fly event held local club Valley City RC Club Powered glow 45 engine RC-l takes off full-throttle nearvertical climb spectators gasp course nothing like flying done 1934 Since Chet has about 800 plans RC-1and because much interest arising its discovery magazine service will supply plans detailed full-size plans available $800 postage paid Chet Lanzo 1485 Lester Rd Valley City OH 44280 Tom McCoys mods RC-l Since McCoy specializes high-performance SAM FF-RC Assist evolved changes suit requirements pertaining wing construction have special significance sport RC fliers may indulge simple aerobatics use machine power winch Lanzo described JUST EW I4ORE FLIGRTS ACE AND ThEN ILL LET YOU FLY ER December 1986 185 Classic R/CSaleLAK5 TN D Wing 15 25 Engines ADVERTISERS INDEX 1 AMA Checks AMA Membershin AMA Mortgage Academy Aviatu Ace Radio Control Aero Plans N Aerodrome Models Airtronics American Jr Right Quay Barber Models Beer Can Bombers Bell Rock Industries Blue Ridge Machinery Brechin Enterprises Byron ariginals CH Electronics RC Products nell Tools Co elis Custom Kits Engine Imports aTaffinder sburn Mfg Hobbies Model Supply Elect ners Guide e Hobbies Designs Systems Corp. Diesel Developm Hobby Shop Products Inc ist Props Design Corp Supply Inc Master Aodels cale Models oducts Corp Amen n Products following quoted McCoys des cription As know RC- 1 rudderonly Free Flight model lot changes version begin SERS ometr irl Gc Golden Gorhai odels del Mfg nited ft Sons ion rn ay v lnternati ods Model Inc.. Sales Inc. J Sales . s Models Jolly Model Technical F raftsmanship Lind Co Models ucts Model Airplanes niel RC Service. sers Quality Model Mark o Model Engineering oX Expo Magic Products Rectifier Corp s Hobbies Products Inc. cts chnology ie Ent lymers Enterprises hinged stab second spar obvious elevator/stab break leading edge elevator elevator very large must moved very small arc model devil under power X ADVER n International Che n Valley Hobby Ce Products s Hobby cesion Built Models nress Mfg Co. ne Corp Digest ign Research stries South Tech International llsport y TG Industries e City Model Research Plans Photo RC Snap rock Competition Imp ns Hobby Shop Mfg Co Smith Industries Kraft Products Cyclone Engines Sweitzen Research Associ Products Co id Thompson RC Conft Rite Models Hobbies. Turn Engineei E Technical S indit Mfg Brothers Model Propeller Mfg Co Engines y Mfg Inc Aviation Marketing b solution dual rates works great dont have dual-rate radio careful move elevator /2 up down pushrod 3/6-rn sq carbon fiber reinforcement 186Model Aviation No 535 Atrix$725 RC Class D Sailplane spans 110 4-ch RC No 536 Cyrano II$325 FF P-30 Rubber flying wing canard spans 28 No 537 Cessna 206 Caravan$300 CL Sport Scale 02 electric power spans 37 U aD 0 CJ - eg 0 U0 -0 c3 stun 0 0 zao 0 000 0 r U 5 woo 2en So CU 0 5 j3 00 0 00 U 0 e 0 O5r C 0 U V 000 0 00 U 0 0 U U 0 mc 4 J 0 U 05 CITY N 00 l1 Stiletto CL Stunt model lMcOonaldl winnm 1976 1980 1982 PAl World Champs$375 BIoo Birds SC Ken Willards formation pIerre 4-cfranoel 10/15 power$375 Croshmostor Cf Crash-proof trainer two sizest 5/30 35/40 power$125 Mini P-lU SC Sarpolus 049 docted-fan sport flier 2-channel Balsa wings tail fone structure$275 1930 FloeS Bituloon SC Sport Scale 35/40 4-channel Wingspan 50 0 /n scale Twn sheets$625 Drake II SC Ken Willards flying hoot 3-chanwi 15-power fly land wdh remonahle gear5375 Toylor Cob SC Don Srulls Schoolyard-Scale 049s 2-3 channel Spans SOin6350 Zophyr SC Small 2-channel glider fun hand-launch tow thermal slope soaring$200 tenor 200 SC Sport Scale replica nf championship Aerohatic flier Uses 40 power 4-5 channel Two sheets91075 Bloctric Sparky C Electric-powered fun flier 05 mntor 3-channel SC scaled-up 1939 ruhher-power fanorite$050 Croinor PP Emhryo Endurance rohherpower fun ship has hig-model characteristics$200 Canolior SC Old-Timer-like now design has huge wing fnr easy flights 35 power 3 channels Two sheets91725 Firelseit SC Pusher canard spnrn/pa0ert 0000 40 puoher engine 4-channel Has swept-forward fnam wings$050 Mine Amonica SC Old-Timer Teoeco model 049 glow 2-channelsS050 Swoon P-30 PP Neat stickand-tissue Outdoor Sohher P-30-cless model contest-winner9200 Spoctra SC Electricpower 05size motor uses 3 different wings sport soaring aerohatics6700 4-40 SC Shoulder-wing sport flier 4-cycle 40-size engine 4 channels6050 Bloc Moe Ii BC Fun-fly oportnter 40-size engines spans 52 Lightweight structure$700 Stroker SC Mid-wing opnrtster uses 40/45 four-stroke engine opens Soyfi tail-dragger$650 Bottorcop SC Cute elfin sportster uses micro 2-ch SC pulse-rudder Spans 21 020/035 power$300 Weekender SC Low-wing spud flier 20-tize 4-stroke engine spans 47 in$575 4-SO SC Soc Mathews great sport flier 00-size four-stroker engine spans 70 Two sheets$t275 Fnkkor DVIII SC Sport Scale model WW f monoplane uses 90 four-stroke engine spans 03 Two sheets61000 Bill Wintors Vagabond PP Sport flier down-sized 02-powered aersion 1940s cehin plane Spans 33 in$225 Buzzkot SC Slopesoarer spans 60 in. uses 2 SC channels$750 P-38 Lightolog CL Sport Scale fighter spans 65 weigho 10 lh user twin 35s Two sheets$1175 Playnsoto SC Sport flier fur 3 SC channels t5/25-size engines spans 50 in$650 ltummiobird PP Hot cleos A/B competition plane own 05 Nets$750 0-258 CL Profile scale WW humher twin engines spans 30 in$400 Ronene 18 PP Hand-Launched Slider features cursed 10-in wing ItT$150 Stoospor PP Hand-Launched Slider has angular 10-in wing OT9150 F-iS CL profile scale fighter spaes 17 has tricycle landing gear$200 Entre 230 SC Giant Scale acrohatic plane spano 0 ft uses Ouadra engine Two plan sheets$1650 Block Beauty SC Slop-snaring racer has foam wing 3-ch SC spaes 114 in$750 Honey T SC Spoetnfer 2-3 channel SC spans 52 has adiustahle wing flaps$475 Weotleoti Whirlwind SC Sport Scele WW II twin-engined fighter fur 10-size engines spans 55 Two plan sheets$1150 Envoy CL Stunter 40/46 power spans 50 in$675 Poke Fnrd SC Sperteter three engines 3-ch SC Spans 50 Two plan sheets$575 Project P-13 PP Scale German WW II flyino wing pusher/tractor mhher power spans 26 in$325 Gee Bno S-i CL Profile sport flier fur 25 engines spans 36 in$475 Flight Aneingant Wheeled flight hoo carries lots Two plan sheets$11 SIt ComeS Jr Clipper Plus 30% SC Old-Timer oportoter engine 2-ch SC spans 48 in$650 Bonn Petto SC Semmnder-scale hipe 40180 engines spans 43 Two plae sheets$1050 Dowowolker PP Superlight Onlimited/Mulnihill ruhher-pnwered competition plane spans 42 in$400 Teocs Rat CL Another mggnd nersion Midwest Sport Sacer 40 engines spans 24 in$275 Hi-Tuck 2002 SC Caeand dusted-fan 45 engines spans 39 Two sheets$1000 KiSi Hem CL Mustly-cwdhnard spurt-scale WW II Japanese fighter foe 40 wgine spans 60 Two plan sheets$1150 Mios RJ SC World Champine FAI Pylon Sacer 40 neginos spaes 51 in$550 Swallow SC Lightweight hotdogger 40-size four-stroke negines spans 50 er$825 POY Catalina PP Skinny Scale Im two CO-2 motors Spans 32 AII-sheet-halsa constmctiun$325 Toonansi CL Profile scale spans 2t inches Allsheet-helen consterstern$225 Terrible Coupe PP Suhher-power Coupe dHiner spans 40 in$475 Boky Bird CL Tiny Stanter uses 049 diesel glow spew 34 in. has flaps$400 Ceosoa C-37 SC Schoolyard Scaler 1930s pIerre fnr 049/1 0 power 2-ch spans 42 in$500 1038 Challenger SC Texaco Old-Timer spans 47 Pun 049 engine 2-ch SC$550 Circle numbers plans wish order 193 332 454 499 508 515 522 529 239 386 457 500 509 516 523 530 262 414 460 502 510 517 524 531 302 438 465 503 511 518 525 532 310 440 470 505 512 519 526 533 314 444 478 506 513 520 527 534 326 447 490 507 514 521 528 535 536537 Plan price Includes firoS class postage tar US delivery IS Air Mail over 300 miies orders Bulside lbs US please add $250 Air Mail $125 surfaCe mail I Make check mocey order payable US funds Model Aviation CIO AMA 1810 Samuel Morse Dr RBsfon VA 22090 Please allow 3 6 weeks delivery Please print carefully Enclosed $ STREET STATE ZIP could use -in sq hard well model has short nose must keep tail light radio gear far forward possible model uses ignition Super Cyclone 60 ignition battery coil mounted up front helps servos mounted piece t/06 ply n balsa under-structure setup adds structural strength cabin area three servos rudder throttle elevator throttle miniature plastic bat handle switch hole drilled through handle pushrod wire use two solder grommets adjust proper throws two chargingjacks tray radio battery other ignition bat tery bent Vs wire hooks epoxied onto floor model use large rubberbands looped around wing pegs hold receiver batteries Ive using Otto Burnharts transistorized igni tion setup product No 77 markets about $25 drive unit two sub-C Ni-Cds requires no booster battery have ignition power need setup adds up 3-oz battery pack 1-oz coil ignition module pretty light trouble-free wing can problem suggest spars reinforced cut sizes down ed spars Y06 spruce top bottom think carbon fiber would super area would highly recommend area landing gear used 1 x -in plywood across fuselage both front back used rear brace pivot point landing gear nylon landing gear straps Goldberg 4-40 bolts blind nuts inside gear rests -in notch front used Yt dowel wrap rubberbands around creating swing-back gear very rugged original model showed Brown Jr engine fully cowled Ive used Super Cyclone much larger gives super climb 55-second engine run can climb model almost out sight opted replace cowl own half cowla hollow rear engine fairing makes clean design kept opening around engine tight clean could make Chet says likes cowl arrangement helps clean up nose thinks RC- 1 models built havent cowls Another suggestion put h-in plastic tube tail model under stab will used weight box adding removing lead shot can move CG around until get model balanced way want Nice able move CG forward windy day just removing weight model covered silk dope very strong weight Gen erally would suggest fabric coverings structure very light must stressed-skin covering feel whole structure would have beefed up 188 Model Aviation No 193 No 239 No 262 No 302 No 310 No 314 No 326 No 332 No 306 No 414 No 430 No 440 No 444 No 441 No 454 No 451 No 460 No 465 No 410 No 478 No 400 No 400 No 500 No 502 No 503 No 505 No 506 No 501 No 508 No 509 No 510 No 511 No 512 No 513 No 514 No 515 No 516 No 511 No 518 No 519 No 520 No 521 No 522 No 523 No 524 No 525 No 526 No 527 No 528 No 520 No 530 No 531 No 532 No 533 No 534
Edition: Model Aviation - 1986/12
Page Numbers: 106, 107, 108, 109, 110, 182, 184, 185, 186, 188
NO OCR TEXT Opposite page top Coming spot landing under radio control Chats own RC-1 settles like graceful bird 1934 year its birth such photo would have nearly impossible Nothing landed nearby including RC models nationwide could numbered fingers hand RC-1 SAM-approved Antique FP Opposite page bottom few seconds later Chet finishes slight S just prior two-wheel landing walk after session dead-stick soaring Above Coming after 5-mm soaring flight Chet removes propengine ballastand launches standard winch Youll find some fascinating techniques text cluding slight mods teacup hanger hook Chet watches wrinkles covering during launch eases off necessary Says might wish add auxIliary spar Lanzos co-author says has enough trouble just seeing plane flight much less wrinkles WHEN CHET LANZO WAS 20 half century ago created remarkably simple functional grace ful gas model superb flying ability contemporary famed Bassett designs KG Kovel-Orant published MAN 1 930s fact two designs Lanzos spiration attempted develop gas model own objective radiocontrolled flight name RC-l testi fies Sometime around 1934 story about Chet historic craft appeared Cleveland Press along excellent photo plane its creator newspapers lead-in read high-wing cabin monoplane 7-ft spread powThis flyby shows RC-1 elevatoron right Its enough though Chet notes model requiresvery little elevatorto responsive Modern-day spinner used starting ease ered gasoline engine capable 50 mph equipped radio controls may operated ground ambitious model airplane project de veloped Chester Lanzo Junior Aviator National Air Races article went relate Chet interested models 10 years already flown two large models recalled experience craft shops East End neighborhood house graduation East Technical High Chet begins takeoff roll RC-1 Covering red-colored silk black trim using butyrate dope Cutoff Important feature use glow set up carb throttle barrel cuts off air kills engine transmitter trim moved full idle December 1986 107 Left The ignition SuperCyclone installed Tom McCoys RC-1 McCoys own hand-carved 13 x4 based HA ThomasAir Trails article 19509 Note attachment rubbershock band landing gearto dowel sideofthe nose cheek Right Detailsof wire gear Thinner cross wires prevent splaying Cross section front one-piece leg free move down back restrained rubberband shocks both sides rear wire can pivot under three nylon strap fittings provide smooth yet sturdy landings Left Center servo operates ignition Kill switcn Mcloys snip Ball-links attach others square balsa pushroifS Battery pack rubberband-wrapped suspended front hold-down dowel two loops band Right Clevis rods have unthread end joined wire pushrod extensions via soldering connectors Stab airfoil 50%-thick Clark Y CG therefore 45 50% wing chord School studied aeronautical engineering peers abroad consider Chet worlds finest modelers achievements monumental know Chet will disapprove last two sen tences because self-effacing style humble guybut necessary say order account out-ofthe-blue events unfold below Lanzos 1937 Nats-winning RC seem ingly step backward configu ration forgotten 1934 plane display AMA Museum follows ancient Lanzo tradition stick-type wire cabane polyhedral Free Flights employed successfully RC Its primi tive radio now seems like something Ice Age course radio RC-1 never described goes back Dinosaurs Chet will talk about vintage Marconi may make loose words awareness RC- 1 began chance photo deBolt winning model Tom McCoy March 1986 Antenna Interupter Spark gap Model T auto Fordiii sparking coiI~ Tuning coil & 6 volt _con dens storage Signal key SPARK GAP TRANSMITTER issue able include item RC- 1 three-view drawing thanks both Tom Chet overwhelmed Chets invitation write RC- 1 story him feel profoundly honored have organized Chets comments precisely spoke questions understood eliminated permit Chet maximum space RC-1 approved Society Antique Modelers SAM 1982 compete its basic contest events authenticated desigu listed SAM Speaks accepted Antique Chets account 1934 put together RC-l first attempt radio controlling gasolineengine-powered model airplane am bitious project able launch gas model get air good height have reasonable flight return model vicinity launching siteall radio control sounded simple enough proved very substantial goaland easily attained competed rubber-powered events Nationals held Akron OH 108Model Aviation 1934 new ruling contest gas-powered models allowed compete against rubber-powered ones events such Moffet Mulvihill winner Texaco event made longest flight gas-powered model using new ruling limited amount fuel ound model weight Maxwell Bassett Philadelphia 1933 winner retained title flight 21 mm 57 sec Irwin Ohlsson Bill Atwood California See MA October 1986 Atwood flew two large approximately 9-ft-span gas-powered models Atwood designed gas engines both ships few gaspowered models unable climb high enough clear 1 2-story Goodyear dirigible air dock flew building engines running slid down its sides thought would great idea build gas job prevent fly-aways accidents controlling model radio What brave lad model airplane club Cleveland intrigued Brown Jr 60 engine just starting produced time Money sale several small Scale models built members club al lowed us purchase engines agreed club member would allowed use Brown short period time during year So designed built RC-1 7-ft-span cabin model waited turn use engine Brown Jr became available club fall 1934 could hardly wait get RC-l air Flying tests proved model very capable flying machine would climb steadily under power glide stable slow idea get model trimmed out bugs worked out before installing radio building models 10 yearsmostly rubber-pow ered Free Flight Scale Free Flight contest types what would now call Wakefield RC-1 provided good opportunity learn what Id need know further attempts produce successful flying controllable model indeed good starting point RC picture bleak 1934 did know anyone building built RC unit gas-powered model airplane fact some fellow mod elers considered bit unusual brought up subject Radio control equipment just did exist must remember gas-powered models flying about two years some very heavy radio equipment used control model boats lightplanes during WW amateur RC hobby composed few isolated experimenters using makeshift equipment produce successful models guided radio no minia ture components lightweight units avail able Parts radios extremely heavy Lightweight batteries werent availAntenna 3 V ignition battery Tuning coil 8 4j%condensor F Coherer-Glass tube 3 long filled mixture iron 8 silver file ings * gRudder actuator relay Clapper arm Airplane rudder tab Return spring Cable drive Rudder set right turn signal. left turn no signal COHERER TYPE RECEIVING UNIT able either receivers used filament high voltage plate bias batteries Most tubes being used high-drain fila ment type Beginnings model design design stems full-size cabin air planes flying could point design influential low throttle power landing stoogina viewed abovearound 2climbing turns tOaltitudeg-9l elongated fig 8stake off direction S turns looseitouch down oltitude 360 turns quicker losslanding Strip METHOD FOR LOOSING ALTITUDE FOR SMALL FIELD POWER-ON LANDINGS prepare landing alt 4A take offactivity I thermal landing strip METHOD USED FOR DEAD STICK LANDING ENGINE CUT OFF December 1986 109 LeT Hucky waiters prepares nis -n RC-1 ignition Orwick 60 version uses both flippers paper covered wed guess silkspan Chet says modern glow 45 can sustain near vertical climb aftertakeoff Right Tom McCoys lovely RC-1 famous among OldTimer fliers Lanzo saying Toms workmanship awes him ignition Super Cyke Toms 1000 sq bird has spectacular climb would greatest gas modeler time Maxwell Bassett RC-1 corporates lot 1933 cabin model design wingspan RC- 1 dictated 3-ft length balsa hand didnt like splice spars leading trailing edgesmade weakso used 3-ft tips added 1-ft center section give 7-ft span must have influenced other models mod elers some memories old times crystal clear others about 50 years old plans call silk covering make model durable long-lasting present-day RC original covered bamboo paper looked like blotting paper given three four coats heavy nitrate dope Butyrate available made tough inexpensive covering used silk could afford nitrate dope some what fuel-proof gas oil reason used black-pigmented nitrate dope front end engine compart ment Lacking bamboo paper wanted make tail sections lighter would use Japanese tissue double covering grain tissue cross ing right angles discourage puncture tears model RC-l design similar rubber-powered cabin-type models flying 1934 design philosophy time dictated airplanes have cowling over engine mess model cabin windshield windows side wing simple rectangle rounded tips conventional rudder elevator complete design -in-sq diagonals fuselage rigidity really necessary modem-day RC used Ambroid ce ment red-colored stuff also made homemade cement acetone cellu loid thought could eliminate heavy electrical equipment vacuum tubes batteries transformers relays would stand chance successful oper ation other words hoped simplify receiving end equipment thereby eliminate great deal weight coherer-type receiver its asso ciated spark-gap transmitter seemed fit requirements very satisfactorily simply detector relay-actuator combined engine ignition system bat teries power unit airborne equipment complete receiver turned out weigh less 8 oz transmitter simplicity itself Ford Model T spark coil 1923 vintage key pulse signal 6V auto storage battery made up bulk transmitter course also antenna tuned coil system Early radio tests RC- 1 very NQI COWL OPTIONAL LIFTS FROM FRONT & HINGED REAR ENGINE SET AT5T06 DOWNTHRIJGT rRIGHT REAR SPARFRONT SPAR NGTE REEF-SF SF REAR SPAR MIGHT NOT BE NEEDEDIo 0011 Inc colI 1THE RO-ONE I DESIGNED BY CHESTER D LANZO 11WINGSPANB4 INSWING AREAIOIO SQ INS 1POWER BROWN JR I/S HP 14 IN PROP 1iCOVERING SILK RED DOPE WITH BLACK TRIM 1 F 1 NI CA AT 43 TO 50% OF WINS CHORD FROM LE I__ WEIGHT GA OZG 4STAB Gin SCALE IN INCHESVSDOWELGLGNA 01 2 34 DRR10 1216DO24 RQIEFDRELEVATORCDNTRGL ____________________________________________________________[v32][b192130729400]]HINGE AS SAGAN 10 OaII 110 Model Aviation stable both powered flight glide Small movements rudder trimming would give nice large circle right left discovered model could handle additional eight receiver quite well built radio equipment bench-tested looked coherer receiver system viable method radio control although took lot fiddling fussing just get relay close stay closed eliminated gears motors devised very simple rudder control sys Continued page 182 THIS 1934 7 FREE FLIGHT DESIGN WAS ALSO FLOWN RC 4 ESIGN TAILORED HELICAL PITCH DEVELOPEOTOGIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALLTHELATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW DIAPITCH THP 1266778 136778 146778 1567 16678 PRICE 299 379 479 889 989 NEW PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10T020%INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCHPRICE 53/i34149 634149 72833456179 8334568189 845667199 9456677199 1045667209 106W8W209 106EW219 114677778229 115W229 11BEW239 1167239 124W279 125W279 1256279 1356349 1456459 1556659 164N969 16678969 RC PYLON RACING SERIES 500 DIA PITCH PRICE 7SN 5/N279 8I 677/8 299 SERIES 4000 86/s6777289 9777289 W WIDE BLADE EW EXTRA WIDE M MADAW Now available. either aluminum brass must epoxied place freewheel notch can cut file razor saw drive dog slips over back propeller engages blades glued propeller thus complies un modified prop rule Trimming flying Cyrano easy model trim trimming tech nique little unusual Work glide first mythical tall grass available use test glide over use softest substitute possible adjust ment available trim glide pitch CG Since no tail cannot change incidence advantage tail warps incidence cannot change ruin trim model glide adjusted adding clay nose model stalls tail glides too nose-down Turn can set small rudder tab trailing edge pylon sufficient small drag tab wing tip can also used Cyrano flies left-left pattern attempt fly right will spiral time Set power turn adjusting thrust line have found small amount left thrust usually re quired get good tight stall-free climb get left thrust either place shim under right side tail block sand away little left side fuselage tail block rests small amount downthrust may necessary control power stalling Cyrano wound hooking onto wire loop nose winder holder restrains model propeller Make absolutely sure freewheel notch has engaged propeller shaft before start winding holder will treated shaft run fingers will never forget Start text flights low power work up slowly maximum winds motor Cyrano 10-gram loop -in FAI rubber important weigh motors flying Cyrano Changing motor weight will change pitch trim airplane said before tailless models quite sensitive CG shifts Cymano easy model build has contest-winning performance worth building just watch ex pressions disbelief peoples faces cruises overhead Flying wings com petitive Try RC-1 /Lanzo-Winter Continued page 110 tem rewinding electromagnet Ford cut-out relay used com bination relay rudder operator placed extended arm clapper linked rudder two control strings control gave right turn against torque actuated left turn no signal no neutral equipment mounted plane engine nmning range very shortless 100 ft problem models ignition coil acting transmitter swamping signal ground-based transmitter Too bad glow plug engines available would say RC-1 should have considered successful RC model 1934 1935 tremendous success Free Flight model oould carry additional weight receivera quality contemporary models still aim flew RC-l local flying field never entered large contests retired after bad crackup should noted radio equipment shown nostalgic project useful RC setup coherer system works key transmitter pressed down sparking coil energized sends out continuous series sparks across spark gap resulting undamped electromag netic waves imposed across tuning coil oondenser tuned frequency waves sent out over air waves antenna antenna mounted model re ceives transmitted radio waves impressed tuning coil condenser also two end caps coherer coherer tube loosely filled about 50-5 0 mixture iron silver filings frequency signal impressed iron filings become magnetized stick together action also squeezes dispersed silver filings together decreases resistance across tube ends causing electrical current flow through ac tuatorContinued page 184 182 Model Aviation THE LEADER IN COM PETITION PROPELLERS ThE WORLDS VINTAGE SAILPLANES 1908-45 Martin Simons Hard hound 176 pages quality paper 248 beautiful black white photos plus 65 color plates nearly 100 finely detailed scale drawings magnifi cent collection rare information classic old-timers SPECIAL CONCESSION OFFER FROM THE PUBLISHER ONLY avail able readers send us 2 International Reply Coupons Ask Post Office will airmail free color brochure price details tell order write now KOOKADURRA TECHNICAL PUBLICATIONS Pty Ltd P0 Box 648 DandenonE 3175 Victoria Australia h -U I ri J actuator arm pulls giving rudder left run key released no signal being sent vibration Brown Jr engine transmitted coherer mounted engine firewall iron filings shaken loose way actuator circuit broken clearing system signal can received As can see receiver would operate engine running producing vibration necessary decohere receiver device similar doorbell ringer could have used rejected because weight Readers probably will recognize radio used early days wireless telegraphy before vacuum-type tube came use Modem-day kids prob ably dont know what vacuum tube either rudder actuator system described typical gear used nor used others couple years later what thought would workable unit time prove myself built another 1 2-ft-span model after RC-1 followed 9-ft-span sticktype plane hangs AMA Mu seum Reston VA None equip ment museum model similar what used RC- 1 am collecting some old type-30 tubes other RC equipment build duplicate receiver transmitter museum model does have proper receiver now Construction notes construction techniques shown plan OK Free Flight version building RC- 1 Radio Control may get heavy stunt loads wings suggest adding n spruce spars existing spars beef up increased stress Fuselage The conventional method stick construction fuselage has used numerous Old-Timer models looks flimsy difficult actually type construction incredibly strong its weight requires small amount experience building stickand-paper-type airplanes RG- 1 can successfully towed up 1000 ft using standard tow winch towline same manner modem Sailplane models Attach tow hook under belly airplane Use -inthick plywood insert fit inside body longerons crosspieces tow hook can made out simple bent-screw hook like cup hanger Install -in-sq hardwood reinforcing crosspieces hook inside fuselage hook should positioned about ard center gravity CG location CG incidentally should about one-third wing chord leading edge towline has parachute attached sure make inoperative wrapping rubber around Better yet remove chute entirely may easily caught landing gear happens flier will lot anxious con trolling trying bring model landing precaution take launching tow go easy power switch Small short pulses will job Watch upper surface model towed upward first few flights Wrinkling covering near dihedral joints will indicate over-stressing wing point must let up winch power switch prevent wing col lapse would recommend use ruce reinforcing spars wing intend winch-launching RC- 1 Remove prop place spinner shaft safety Ive made flights five minutes RC- 1 towed good weather Try Youll like Setting up RC- 1 flying Never fly downwind gliding Youll drift farther downwind tension will build open way mistakes model will eventually disappear leamed early days RC equipment unpredictable unreliable Gliding up wind can make kinds mistakes model will eventually drift right back you get model down its caught powerful thermal have no flaps spoilers dive brakes RC model best way get out rising currents air spin down stalled tum sure have plenty up elevator 1 50—and plenty rudder throw put spin pull back full stick full up elevator about two seconds later apply full left rudder will result tight left spin like put rudder elevator control righthand side transmitter controls throttle left attitude plane will spin down very nicely creasing its downward speed problem trying dive out large thermal giving down elevator speed will build up incredibly causing shredding wing tail producing high-speed flutter also possible snap wing pulling out high-speed dive no matter gently pull back stick practice stalled spin maneuver much possible youre under non-thermal conditions spin maneuver also very good youre caught cloud model disappears fluffy stuff Put stalled tum hold breath pretty soon will see model re appear can bring down safe altitude Heres way find elusive thermals RC-l youre glide Picture mind hot-air balloon floating air Its about 200 300 ft diameter about 500 ft high basket about 100 ft off ground balloon represents good-sized thermal its rising expanding same time have penetrate big column air has tough outer layer youll need hit head-on model will tend bounce off its tough hide deflected off side Watch RC-l very carefully will tell thermal Fly model straight ahead hands off controls notice model starting rise already thermal good changes course either right left tum back thermal until have penetrated Once inside thermal circle right left 50-ft circles same time applying small amount up trim elevator Just watch 184 Model Aviation NEW FOR 1987 CYCLONE SUPER 65 CLASSIC IGNITION ENGINES BIG BORE 647 CU IN DISPL Factory tested ready run md Display Box Coil Cond Lead Plug Owners Manual Parts List Cowl Decals Price $19950 plus $5 ship Credit price 21500 includes shipping MasterCard/Visa welcome ORDER NOW early delivery SUPER CYCLONE ENGINFS Box 26390 Phoenix Arizona 85068 602 870-3342 auto ans Dealers & Distributors Welcomed Phone 703 273-9593 FLYLINE MODELS INC PO Bex 2136 Peirfax VirgInia 22031 USA model climbs away its own seem get greatest pleasure out RC-l glide looking thermals Soar ing about silent flight idea ultimate RC flying Flying instructions Run engine bench good half hour until will start couple flips prop Work out a11 bugs install engine plane Check center gravity coincides position shown plans sport flying CG can moved forward 33% position one-third chord leading edge wing position will give stable setup beginning flier rearward position shown draw ings will give little less sinking speed small sacrifice longitudinal sta bility first test flight best made day sunny warm no wind light steady breeze like fly afternoon 4 pm until sundown wind down hot-rod fliers have left flying site enjoy being alonejust modelbut safety its best have someone along Adjust engine very low idle just enough pull move model over grass field Taxi around landing strip about two tanks gas get feel model controls Set model down middle takeoff area facing wind apply one-eighth one-quarter throttle model will taxi about 20 ft beoome airborne RC-1 should climb slowly steadily one-quarter throttle just relax enjoy ship gently climbs turns direction should fly straight level controls neutral lowest throttle setting can found engine large elevator area RC-1 almost impossible stall glide under low power easiest way land power shut off Bring model over landing strip downwind side about 20 ft altitude cut throttle model will glide using up 50 100 ft strip settle grass Just before touch down give tap up elevator true three-point semi-stalled landing Power-on landings low throttle can made just easily small amount down trim elevator RC-1 very gentle stable model under low throttle very difficult get trouble full throttle model becomes very active fast Hold rudder give full throttle let er go shell hop off ground 5 10 ft start climbing Add small amount down elevator near-vertical climb will continue until model almost Out sight 45 seconds engine run number ways RC- 1 may flown see sketches Climb 900 ft throttle back engine near idle anl bit right trim rudder RC-l will float around large circleshands off wouldnt hate bring down out graceful near zeropowered glide RC- 1 constructed shown slow-flying predictable sport-type model has flown Old-Timer compe K 5 titions suited Texaco Antique classes SAM events also does well limited-engine-run classes dont fly RC-1 Pattern events have lot fun trying beat modem RC models fun-fly event held local club Valley City RC Club Powered glow 45 engine RC-l takes off full-throttle nearvertical climb spectators gasp course nothing like flying done 1934 Since Chet has about 800 plans RC-1and because much interest arising its discovery magazine service will supply plans detailed full-size plans available $800 postage paid Chet Lanzo 1485 Lester Rd Valley City OH 44280 Tom McCoys mods RC-l Since McCoy specializes high-performance SAM FF-RC Assist evolved changes suit requirements pertaining wing construction have special significance sport RC fliers may indulge simple aerobatics use machine power winch Lanzo described JUST EW I4ORE FLIGRTS ACE AND ThEN ILL LET YOU FLY ER December 1986 185 Classic R/CSaleLAK5 TN D Wing 15 25 Engines ADVERTISERS INDEX 1 AMA Checks AMA Membershin AMA Mortgage Academy Aviatu Ace Radio Control Aero Plans N Aerodrome Models Airtronics American Jr Right Quay Barber Models Beer Can Bombers Bell Rock Industries Blue Ridge Machinery Brechin Enterprises Byron ariginals CH Electronics RC Products nell Tools Co elis Custom Kits Engine Imports aTaffinder sburn Mfg Hobbies Model Supply Elect ners Guide e Hobbies Designs Systems Corp. Diesel Developm Hobby Shop Products Inc ist Props Design Corp Supply Inc Master Aodels cale Models oducts Corp Amen n Products following quoted McCoys des cription As know RC- 1 rudderonly Free Flight model lot changes version begin SERS ometr irl Gc Golden Gorhai odels del Mfg nited ft Sons ion rn ay v lnternati ods Model Inc.. Sales Inc. J Sales . s Models Jolly Model Technical F raftsmanship Lind Co Models ucts Model Airplanes niel RC Service. sers Quality Model Mark o Model Engineering oX Expo Magic Products Rectifier Corp s Hobbies Products Inc. cts chnology ie Ent lymers Enterprises hinged stab second spar obvious elevator/stab break leading edge elevator elevator very large must moved very small arc model devil under power X ADVER n International Che n Valley Hobby Ce Products s Hobby cesion Built Models nress Mfg Co. ne Corp Digest ign Research stries South Tech International llsport y TG Industries e City Model Research Plans Photo RC Snap rock Competition Imp ns Hobby Shop Mfg Co Smith Industries Kraft Products Cyclone Engines Sweitzen Research Associ Products Co id Thompson RC Conft Rite Models Hobbies. Turn Engineei E Technical S indit Mfg Brothers Model Propeller Mfg Co Engines y Mfg Inc Aviation Marketing b solution dual rates works great dont have dual-rate radio careful move elevator /2 up down pushrod 3/6-rn sq carbon fiber reinforcement 186Model Aviation No 535 Atrix$725 RC Class D Sailplane spans 110 4-ch RC No 536 Cyrano II$325 FF P-30 Rubber flying wing canard spans 28 No 537 Cessna 206 Caravan$300 CL Sport Scale 02 electric power spans 37 U aD 0 CJ - eg 0 U0 -0 c3 stun 0 0 zao 0 000 0 r U 5 woo 2en So CU 0 5 j3 00 0 00 U 0 e 0 O5r C 0 U V 000 0 00 U 0 0 U U 0 mc 4 J 0 U 05 CITY N 00 l1 Stiletto CL Stunt model lMcOonaldl winnm 1976 1980 1982 PAl World Champs$375 BIoo Birds SC Ken Willards formation pIerre 4-cfranoel 10/15 power$375 Croshmostor Cf Crash-proof trainer two sizest 5/30 35/40 power$125 Mini P-lU SC Sarpolus 049 docted-fan sport flier 2-channel Balsa wings tail fone structure$275 1930 FloeS Bituloon SC Sport Scale 35/40 4-channel Wingspan 50 0 /n scale Twn sheets$625 Drake II SC Ken Willards flying hoot 3-chanwi 15-power fly land wdh remonahle gear5375 Toylor Cob SC Don Srulls Schoolyard-Scale 049s 2-3 channel Spans SOin6350 Zophyr SC Small 2-channel glider fun hand-launch tow thermal slope soaring$200 tenor 200 SC Sport Scale replica nf championship Aerohatic flier Uses 40 power 4-5 channel Two sheets91075 Bloctric Sparky C Electric-powered fun flier 05 mntor 3-channel SC scaled-up 1939 ruhher-power fanorite$050 Croinor PP Emhryo Endurance rohherpower fun ship has hig-model characteristics$200 Canolior SC Old-Timer-like now design has huge wing fnr easy flights 35 power 3 channels Two sheets91725 Firelseit SC Pusher canard spnrn/pa0ert 0000 40 puoher engine 4-channel Has swept-forward fnam wings$050 Mine Amonica SC Old-Timer Teoeco model 049 glow 2-channelsS050 Swoon P-30 PP Neat stickand-tissue Outdoor Sohher P-30-cless model contest-winner9200 Spoctra SC Electricpower 05size motor uses 3 different wings sport soaring aerohatics6700 4-40 SC Shoulder-wing sport flier 4-cycle 40-size engine 4 channels6050 Bloc Moe Ii BC Fun-fly oportnter 40-size engines spans 52 Lightweight structure$700 Stroker SC Mid-wing opnrtster uses 40/45 four-stroke engine opens Soyfi tail-dragger$650 Bottorcop SC Cute elfin sportster uses micro 2-ch SC pulse-rudder Spans 21 020/035 power$300 Weekender SC Low-wing spud flier 20-tize 4-stroke engine spans 47 in$575 4-SO SC Soc Mathews great sport flier 00-size four-stroker engine spans 70 Two sheets$t275 Fnkkor DVIII SC Sport Scale model WW f monoplane uses 90 four-stroke engine spans 03 Two sheets61000 Bill Wintors Vagabond PP Sport flier down-sized 02-powered aersion 1940s cehin plane Spans 33 in$225 Buzzkot SC Slopesoarer spans 60 in. uses 2 SC channels$750 P-38 Lightolog CL Sport Scale fighter spans 65 weigho 10 lh user twin 35s Two sheets$1175 Playnsoto SC Sport flier fur 3 SC channels t5/25-size engines spans 50 in$650 ltummiobird PP Hot cleos A/B competition plane own 05 Nets$750 0-258 CL Profile scale WW humher twin engines spans 30 in$400 Ronene 18 PP Hand-Launched Slider features cursed 10-in wing ItT$150 Stoospor PP Hand-Launched Slider has angular 10-in wing OT9150 F-iS CL profile scale fighter spaes 17 has tricycle landing gear$200 Entre 230 SC Giant Scale acrohatic plane spano 0 ft uses Ouadra engine Two plan sheets$1650 Block Beauty SC Slop-snaring racer has foam wing 3-ch SC spaes 114 in$750 Honey T SC Spoetnfer 2-3 channel SC spans 52 has adiustahle wing flaps$475 Weotleoti Whirlwind SC Sport Scele WW II twin-engined fighter fur 10-size engines spans 55 Two plan sheets$1150 Envoy CL Stunter 40/46 power spans 50 in$675 Poke Fnrd SC Sperteter three engines 3-ch SC Spans 50 Two plan sheets$575 Project P-13 PP Scale German WW II flyino wing pusher/tractor mhher power spans 26 in$325 Gee Bno S-i CL Profile sport flier fur 25 engines spans 36 in$475 Flight Aneingant Wheeled flight hoo carries lots Two plan sheets$11 SIt ComeS Jr Clipper Plus 30% SC Old-Timer oportoter engine 2-ch SC spans 48 in$650 Bonn Petto SC Semmnder-scale hipe 40180 engines spans 43 Two plae sheets$1050 Dowowolker PP Superlight Onlimited/Mulnihill ruhher-pnwered competition plane spans 42 in$400 Teocs Rat CL Another mggnd nersion Midwest Sport Sacer 40 engines spans 24 in$275 Hi-Tuck 2002 SC Caeand dusted-fan 45 engines spans 39 Two sheets$1000 KiSi Hem CL Mustly-cwdhnard spurt-scale WW II Japanese fighter foe 40 wgine spans 60 Two plan sheets$1150 Mios RJ SC World Champine FAI Pylon Sacer 40 neginos spaes 51 in$550 Swallow SC Lightweight hotdogger 40-size four-stroke negines spans 50 er$825 POY Catalina PP Skinny Scale Im two CO-2 motors Spans 32 AII-sheet-halsa constmctiun$325 Toonansi CL Profile scale spans 2t inches Allsheet-helen consterstern$225 Terrible Coupe PP Suhher-power Coupe dHiner spans 40 in$475 Boky Bird CL Tiny Stanter uses 049 diesel glow spew 34 in. has flaps$400 Ceosoa C-37 SC Schoolyard Scaler 1930s pIerre fnr 049/1 0 power 2-ch spans 42 in$500 1038 Challenger SC Texaco Old-Timer spans 47 Pun 049 engine 2-ch SC$550 Circle numbers plans wish order 193 332 454 499 508 515 522 529 239 386 457 500 509 516 523 530 262 414 460 502 510 517 524 531 302 438 465 503 511 518 525 532 310 440 470 505 512 519 526 533 314 444 478 506 513 520 527 534 326 447 490 507 514 521 528 535 536537 Plan price Includes firoS class postage tar US delivery IS Air Mail over 300 miies orders Bulside lbs US please add $250 Air Mail $125 surfaCe mail I Make check mocey order payable US funds Model Aviation CIO AMA 1810 Samuel Morse Dr RBsfon VA 22090 Please allow 3 6 weeks delivery Please print carefully Enclosed $ STREET STATE ZIP could use -in sq hard well model has short nose must keep tail light radio gear far forward possible model uses ignition Super Cyclone 60 ignition battery coil mounted up front helps servos mounted piece t/06 ply n balsa under-structure setup adds structural strength cabin area three servos rudder throttle elevator throttle miniature plastic bat handle switch hole drilled through handle pushrod wire use two solder grommets adjust proper throws two chargingjacks tray radio battery other ignition bat tery bent Vs wire hooks epoxied onto floor model use large rubberbands looped around wing pegs hold receiver batteries Ive using Otto Burnharts transistorized igni tion setup product No 77 markets about $25 drive unit two sub-C Ni-Cds requires no booster battery have ignition power need setup adds up 3-oz battery pack 1-oz coil ignition module pretty light trouble-free wing can problem suggest spars reinforced cut sizes down ed spars Y06 spruce top bottom think carbon fiber would super area would highly recommend area landing gear used 1 x -in plywood across fuselage both front back used rear brace pivot point landing gear nylon landing gear straps Goldberg 4-40 bolts blind nuts inside gear rests -in notch front used Yt dowel wrap rubberbands around creating swing-back gear very rugged original model showed Brown Jr engine fully cowled Ive used Super Cyclone much larger gives super climb 55-second engine run can climb model almost out sight opted replace cowl own half cowla hollow rear engine fairing makes clean design kept opening around engine tight clean could make Chet says likes cowl arrangement helps clean up nose thinks RC- 1 models built havent cowls Another suggestion put h-in plastic tube tail model under stab will used weight box adding removing lead shot can move CG around until get model balanced way want Nice able move CG forward windy day just removing weight model covered silk dope very strong weight Gen erally would suggest fabric coverings structure very light must stressed-skin covering feel whole structure would have beefed up 188 Model Aviation No 193 No 239 No 262 No 302 No 310 No 314 No 326 No 332 No 306 No 414 No 430 No 440 No 444 No 441 No 454 No 451 No 460 No 465 No 410 No 478 No 400 No 400 No 500 No 502 No 503 No 505 No 506 No 501 No 508 No 509 No 510 No 511 No 512 No 513 No 514 No 515 No 516 No 511 No 518 No 519 No 520 No 521 No 522 No 523 No 524 No 525 No 526 No 527 No 528 No 520 No 530 No 531 No 532 No 533 No 534
Edition: Model Aviation - 1986/12
Page Numbers: 106, 107, 108, 109, 110, 182, 184, 185, 186, 188
NO OCR TEXT Opposite page top Coming spot landing under radio control Chats own RC-1 settles like graceful bird 1934 year its birth such photo would have nearly impossible Nothing landed nearby including RC models nationwide could numbered fingers hand RC-1 SAM-approved Antique FP Opposite page bottom few seconds later Chet finishes slight S just prior two-wheel landing walk after session dead-stick soaring Above Coming after 5-mm soaring flight Chet removes propengine ballastand launches standard winch Youll find some fascinating techniques text cluding slight mods teacup hanger hook Chet watches wrinkles covering during launch eases off necessary Says might wish add auxIliary spar Lanzos co-author says has enough trouble just seeing plane flight much less wrinkles WHEN CHET LANZO WAS 20 half century ago created remarkably simple functional grace ful gas model superb flying ability contemporary famed Bassett designs KG Kovel-Orant published MAN 1 930s fact two designs Lanzos spiration attempted develop gas model own objective radiocontrolled flight name RC-l testi fies Sometime around 1934 story about Chet historic craft appeared Cleveland Press along excellent photo plane its creator newspapers lead-in read high-wing cabin monoplane 7-ft spread powThis flyby shows RC-1 elevatoron right Its enough though Chet notes model requiresvery little elevatorto responsive Modern-day spinner used starting ease ered gasoline engine capable 50 mph equipped radio controls may operated ground ambitious model airplane project de veloped Chester Lanzo Junior Aviator National Air Races article went relate Chet interested models 10 years already flown two large models recalled experience craft shops East End neighborhood house graduation East Technical High Chet begins takeoff roll RC-1 Covering red-colored silk black trim using butyrate dope Cutoff Important feature use glow set up carb throttle barrel cuts off air kills engine transmitter trim moved full idle December 1986 107 Left The ignition SuperCyclone installed Tom McCoys RC-1 McCoys own hand-carved 13 x4 based HA ThomasAir Trails article 19509 Note attachment rubbershock band landing gearto dowel sideofthe nose cheek Right Detailsof wire gear Thinner cross wires prevent splaying Cross section front one-piece leg free move down back restrained rubberband shocks both sides rear wire can pivot under three nylon strap fittings provide smooth yet sturdy landings Left Center servo operates ignition Kill switcn Mcloys snip Ball-links attach others square balsa pushroifS Battery pack rubberband-wrapped suspended front hold-down dowel two loops band Right Clevis rods have unthread end joined wire pushrod extensions via soldering connectors Stab airfoil 50%-thick Clark Y CG therefore 45 50% wing chord School studied aeronautical engineering peers abroad consider Chet worlds finest modelers achievements monumental know Chet will disapprove last two sen tences because self-effacing style humble guybut necessary say order account out-ofthe-blue events unfold below Lanzos 1937 Nats-winning RC seem ingly step backward configu ration forgotten 1934 plane display AMA Museum follows ancient Lanzo tradition stick-type wire cabane polyhedral Free Flights employed successfully RC Its primi tive radio now seems like something Ice Age course radio RC-1 never described goes back Dinosaurs Chet will talk about vintage Marconi may make loose words awareness RC- 1 began chance photo deBolt winning model Tom McCoy March 1986 Antenna Interupter Spark gap Model T auto Fordiii sparking coiI~ Tuning coil & 6 volt _con dens storage Signal key SPARK GAP TRANSMITTER issue able include item RC- 1 three-view drawing thanks both Tom Chet overwhelmed Chets invitation write RC- 1 story him feel profoundly honored have organized Chets comments precisely spoke questions understood eliminated permit Chet maximum space RC-1 approved Society Antique Modelers SAM 1982 compete its basic contest events authenticated desigu listed SAM Speaks accepted Antique Chets account 1934 put together RC-l first attempt radio controlling gasolineengine-powered model airplane am bitious project able launch gas model get air good height have reasonable flight return model vicinity launching siteall radio control sounded simple enough proved very substantial goaland easily attained competed rubber-powered events Nationals held Akron OH 108Model Aviation 1934 new ruling contest gas-powered models allowed compete against rubber-powered ones events such Moffet Mulvihill winner Texaco event made longest flight gas-powered model using new ruling limited amount fuel ound model weight Maxwell Bassett Philadelphia 1933 winner retained title flight 21 mm 57 sec Irwin Ohlsson Bill Atwood California See MA October 1986 Atwood flew two large approximately 9-ft-span gas-powered models Atwood designed gas engines both ships few gaspowered models unable climb high enough clear 1 2-story Goodyear dirigible air dock flew building engines running slid down its sides thought would great idea build gas job prevent fly-aways accidents controlling model radio What brave lad model airplane club Cleveland intrigued Brown Jr 60 engine just starting produced time Money sale several small Scale models built members club al lowed us purchase engines agreed club member would allowed use Brown short period time during year So designed built RC-1 7-ft-span cabin model waited turn use engine Brown Jr became available club fall 1934 could hardly wait get RC-l air Flying tests proved model very capable flying machine would climb steadily under power glide stable slow idea get model trimmed out bugs worked out before installing radio building models 10 yearsmostly rubber-pow ered Free Flight Scale Free Flight contest types what would now call Wakefield RC-1 provided good opportunity learn what Id need know further attempts produce successful flying controllable model indeed good starting point RC picture bleak 1934 did know anyone building built RC unit gas-powered model airplane fact some fellow mod elers considered bit unusual brought up subject Radio control equipment just did exist must remember gas-powered models flying about two years some very heavy radio equipment used control model boats lightplanes during WW amateur RC hobby composed few isolated experimenters using makeshift equipment produce successful models guided radio no minia ture components lightweight units avail able Parts radios extremely heavy Lightweight batteries werent availAntenna 3 V ignition battery Tuning coil 8 4j%condensor F Coherer-Glass tube 3 long filled mixture iron 8 silver file ings * gRudder actuator relay Clapper arm Airplane rudder tab Return spring Cable drive Rudder set right turn signal. left turn no signal COHERER TYPE RECEIVING UNIT able either receivers used filament high voltage plate bias batteries Most tubes being used high-drain fila ment type Beginnings model design design stems full-size cabin air planes flying could point design influential low throttle power landing stoogina viewed abovearound 2climbing turns tOaltitudeg-9l elongated fig 8stake off direction S turns looseitouch down oltitude 360 turns quicker losslanding Strip METHOD FOR LOOSING ALTITUDE FOR SMALL FIELD POWER-ON LANDINGS prepare landing alt 4A take offactivity I thermal landing strip METHOD USED FOR DEAD STICK LANDING ENGINE CUT OFF December 1986 109 LeT Hucky waiters prepares nis -n RC-1 ignition Orwick 60 version uses both flippers paper covered wed guess silkspan Chet says modern glow 45 can sustain near vertical climb aftertakeoff Right Tom McCoys lovely RC-1 famous among OldTimer fliers Lanzo saying Toms workmanship awes him ignition Super Cyke Toms 1000 sq bird has spectacular climb would greatest gas modeler time Maxwell Bassett RC-1 corporates lot 1933 cabin model design wingspan RC- 1 dictated 3-ft length balsa hand didnt like splice spars leading trailing edgesmade weakso used 3-ft tips added 1-ft center section give 7-ft span must have influenced other models mod elers some memories old times crystal clear others about 50 years old plans call silk covering make model durable long-lasting present-day RC original covered bamboo paper looked like blotting paper given three four coats heavy nitrate dope Butyrate available made tough inexpensive covering used silk could afford nitrate dope some what fuel-proof gas oil reason used black-pigmented nitrate dope front end engine compart ment Lacking bamboo paper wanted make tail sections lighter would use Japanese tissue double covering grain tissue cross ing right angles discourage puncture tears model RC-l design similar rubber-powered cabin-type models flying 1934 design philosophy time dictated airplanes have cowling over engine mess model cabin windshield windows side wing simple rectangle rounded tips conventional rudder elevator complete design -in-sq diagonals fuselage rigidity really necessary modem-day RC used Ambroid ce ment red-colored stuff also made homemade cement acetone cellu loid thought could eliminate heavy electrical equipment vacuum tubes batteries transformers relays would stand chance successful oper ation other words hoped simplify receiving end equipment thereby eliminate great deal weight coherer-type receiver its asso ciated spark-gap transmitter seemed fit requirements very satisfactorily simply detector relay-actuator combined engine ignition system bat teries power unit airborne equipment complete receiver turned out weigh less 8 oz transmitter simplicity itself Ford Model T spark coil 1923 vintage key pulse signal 6V auto storage battery made up bulk transmitter course also antenna tuned coil system Early radio tests RC- 1 very NQI COWL OPTIONAL LIFTS FROM FRONT & HINGED REAR ENGINE SET AT5T06 DOWNTHRIJGT rRIGHT REAR SPARFRONT SPAR NGTE REEF-SF SF REAR SPAR MIGHT NOT BE NEEDEDIo 0011 Inc colI 1THE RO-ONE I DESIGNED BY CHESTER D LANZO 11WINGSPANB4 INSWING AREAIOIO SQ INS 1POWER BROWN JR I/S HP 14 IN PROP 1iCOVERING SILK RED DOPE WITH BLACK TRIM 1 F 1 NI CA AT 43 TO 50% OF WINS CHORD FROM LE I__ WEIGHT GA OZG 4STAB Gin SCALE IN INCHESVSDOWELGLGNA 01 2 34 DRR10 1216DO24 RQIEFDRELEVATORCDNTRGL ____________________________________________________________[v32][b192130729400]]HINGE AS SAGAN 10 OaII 110 Model Aviation stable both powered flight glide Small movements rudder trimming would give nice large circle right left discovered model could handle additional eight receiver quite well built radio equipment bench-tested looked coherer receiver system viable method radio control although took lot fiddling fussing just get relay close stay closed eliminated gears motors devised very simple rudder control sys Continued page 182 THIS 1934 7 FREE FLIGHT DESIGN WAS ALSO FLOWN RC 4 ESIGN TAILORED HELICAL PITCH DEVELOPEOTOGIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALLTHELATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW DIAPITCH THP 1266778 136778 146778 1567 16678 PRICE 299 379 479 889 989 NEW PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10T020%INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCHPRICE 53/i34149 634149 72833456179 8334568189 845667199 9456677199 1045667209 106W8W209 106EW219 114677778229 115W229 11BEW239 1167239 124W279 125W279 1256279 1356349 1456459 1556659 164N969 16678969 RC PYLON RACING SERIES 500 DIA PITCH PRICE 7SN 5/N279 8I 677/8 299 SERIES 4000 86/s6777289 9777289 W WIDE BLADE EW EXTRA WIDE M MADAW Now available. either aluminum brass must epoxied place freewheel notch can cut file razor saw drive dog slips over back propeller engages blades glued propeller thus complies un modified prop rule Trimming flying Cyrano easy model trim trimming tech nique little unusual Work glide first mythical tall grass available use test glide over use softest substitute possible adjust ment available trim glide pitch CG Since no tail cannot change incidence advantage tail warps incidence cannot change ruin trim model glide adjusted adding clay nose model stalls tail glides too nose-down Turn can set small rudder tab trailing edge pylon sufficient small drag tab wing tip can also used Cyrano flies left-left pattern attempt fly right will spiral time Set power turn adjusting thrust line have found small amount left thrust usually re quired get good tight stall-free climb get left thrust either place shim under right side tail block sand away little left side fuselage tail block rests small amount downthrust may necessary control power stalling Cyrano wound hooking onto wire loop nose winder holder restrains model propeller Make absolutely sure freewheel notch has engaged propeller shaft before start winding holder will treated shaft run fingers will never forget Start text flights low power work up slowly maximum winds motor Cyrano 10-gram loop -in FAI rubber important weigh motors flying Cyrano Changing motor weight will change pitch trim airplane said before tailless models quite sensitive CG shifts Cymano easy model build has contest-winning performance worth building just watch ex pressions disbelief peoples faces cruises overhead Flying wings com petitive Try RC-1 /Lanzo-Winter Continued page 110 tem rewinding electromagnet Ford cut-out relay used com bination relay rudder operator placed extended arm clapper linked rudder two control strings control gave right turn against torque actuated left turn no signal no neutral equipment mounted plane engine nmning range very shortless 100 ft problem models ignition coil acting transmitter swamping signal ground-based transmitter Too bad glow plug engines available would say RC-1 should have considered successful RC model 1934 1935 tremendous success Free Flight model oould carry additional weight receivera quality contemporary models still aim flew RC-l local flying field never entered large contests retired after bad crackup should noted radio equipment shown nostalgic project useful RC setup coherer system works key transmitter pressed down sparking coil energized sends out continuous series sparks across spark gap resulting undamped electromag netic waves imposed across tuning coil oondenser tuned frequency waves sent out over air waves antenna antenna mounted model re ceives transmitted radio waves impressed tuning coil condenser also two end caps coherer coherer tube loosely filled about 50-5 0 mixture iron silver filings frequency signal impressed iron filings become magnetized stick together action also squeezes dispersed silver filings together decreases resistance across tube ends causing electrical current flow through ac tuatorContinued page 184 182 Model Aviation THE LEADER IN COM PETITION PROPELLERS ThE WORLDS VINTAGE SAILPLANES 1908-45 Martin Simons Hard hound 176 pages quality paper 248 beautiful black white photos plus 65 color plates nearly 100 finely detailed scale drawings magnifi cent collection rare information classic old-timers SPECIAL CONCESSION OFFER FROM THE PUBLISHER ONLY avail able readers send us 2 International Reply Coupons Ask Post Office will airmail free color brochure price details tell order write now KOOKADURRA TECHNICAL PUBLICATIONS Pty Ltd P0 Box 648 DandenonE 3175 Victoria Australia h -U I ri J actuator arm pulls giving rudder left run key released no signal being sent vibration Brown Jr engine transmitted coherer mounted engine firewall iron filings shaken loose way actuator circuit broken clearing system signal can received As can see receiver would operate engine running producing vibration necessary decohere receiver device similar doorbell ringer could have used rejected because weight Readers probably will recognize radio used early days wireless telegraphy before vacuum-type tube came use Modem-day kids prob ably dont know what vacuum tube either rudder actuator system described typical gear used nor used others couple years later what thought would workable unit time prove myself built another 1 2-ft-span model after RC-1 followed 9-ft-span sticktype plane hangs AMA Mu seum Reston VA None equip ment museum model similar what used RC- 1 am collecting some old type-30 tubes other RC equipment build duplicate receiver transmitter museum model does have proper receiver now Construction notes construction techniques shown plan OK Free Flight version building RC- 1 Radio Control may get heavy stunt loads wings suggest adding n spruce spars existing spars beef up increased stress Fuselage The conventional method stick construction fuselage has used numerous Old-Timer models looks flimsy difficult actually type construction incredibly strong its weight requires small amount experience building stickand-paper-type airplanes RG- 1 can successfully towed up 1000 ft using standard tow winch towline same manner modem Sailplane models Attach tow hook under belly airplane Use -inthick plywood insert fit inside body longerons crosspieces tow hook can made out simple bent-screw hook like cup hanger Install -in-sq hardwood reinforcing crosspieces hook inside fuselage hook should positioned about ard center gravity CG location CG incidentally should about one-third wing chord leading edge towline has parachute attached sure make inoperative wrapping rubber around Better yet remove chute entirely may easily caught landing gear happens flier will lot anxious con trolling trying bring model landing precaution take launching tow go easy power switch Small short pulses will job Watch upper surface model towed upward first few flights Wrinkling covering near dihedral joints will indicate over-stressing wing point must let up winch power switch prevent wing col lapse would recommend use ruce reinforcing spars wing intend winch-launching RC- 1 Remove prop place spinner shaft safety Ive made flights five minutes RC- 1 towed good weather Try Youll like Setting up RC- 1 flying Never fly downwind gliding Youll drift farther downwind tension will build open way mistakes model will eventually disappear leamed early days RC equipment unpredictable unreliable Gliding up wind can make kinds mistakes model will eventually drift right back you get model down its caught powerful thermal have no flaps spoilers dive brakes RC model best way get out rising currents air spin down stalled tum sure have plenty up elevator 1 50—and plenty rudder throw put spin pull back full stick full up elevator about two seconds later apply full left rudder will result tight left spin like put rudder elevator control righthand side transmitter controls throttle left attitude plane will spin down very nicely creasing its downward speed problem trying dive out large thermal giving down elevator speed will build up incredibly causing shredding wing tail producing high-speed flutter also possible snap wing pulling out high-speed dive no matter gently pull back stick practice stalled spin maneuver much possible youre under non-thermal conditions spin maneuver also very good youre caught cloud model disappears fluffy stuff Put stalled tum hold breath pretty soon will see model re appear can bring down safe altitude Heres way find elusive thermals RC-l youre glide Picture mind hot-air balloon floating air Its about 200 300 ft diameter about 500 ft high basket about 100 ft off ground balloon represents good-sized thermal its rising expanding same time have penetrate big column air has tough outer layer youll need hit head-on model will tend bounce off its tough hide deflected off side Watch RC-l very carefully will tell thermal Fly model straight ahead hands off controls notice model starting rise already thermal good changes course either right left tum back thermal until have penetrated Once inside thermal circle right left 50-ft circles same time applying small amount up trim elevator Just watch 184 Model Aviation NEW FOR 1987 CYCLONE SUPER 65 CLASSIC IGNITION ENGINES BIG BORE 647 CU IN DISPL Factory tested ready run md Display Box Coil Cond Lead Plug Owners Manual Parts List Cowl Decals Price $19950 plus $5 ship Credit price 21500 includes shipping MasterCard/Visa welcome ORDER NOW early delivery SUPER CYCLONE ENGINFS Box 26390 Phoenix Arizona 85068 602 870-3342 auto ans Dealers & Distributors Welcomed Phone 703 273-9593 FLYLINE MODELS INC PO Bex 2136 Peirfax VirgInia 22031 USA model climbs away its own seem get greatest pleasure out RC-l glide looking thermals Soar ing about silent flight idea ultimate RC flying Flying instructions Run engine bench good half hour until will start couple flips prop Work out a11 bugs install engine plane Check center gravity coincides position shown plans sport flying CG can moved forward 33% position one-third chord leading edge wing position will give stable setup beginning flier rearward position shown draw ings will give little less sinking speed small sacrifice longitudinal sta bility first test flight best made day sunny warm no wind light steady breeze like fly afternoon 4 pm until sundown wind down hot-rod fliers have left flying site enjoy being alonejust modelbut safety its best have someone along Adjust engine very low idle just enough pull move model over grass field Taxi around landing strip about two tanks gas get feel model controls Set model down middle takeoff area facing wind apply one-eighth one-quarter throttle model will taxi about 20 ft beoome airborne RC-1 should climb slowly steadily one-quarter throttle just relax enjoy ship gently climbs turns direction should fly straight level controls neutral lowest throttle setting can found engine large elevator area RC-1 almost impossible stall glide under low power easiest way land power shut off Bring model over landing strip downwind side about 20 ft altitude cut throttle model will glide using up 50 100 ft strip settle grass Just before touch down give tap up elevator true three-point semi-stalled landing Power-on landings low throttle can made just easily small amount down trim elevator RC-1 very gentle stable model under low throttle very difficult get trouble full throttle model becomes very active fast Hold rudder give full throttle let er go shell hop off ground 5 10 ft start climbing Add small amount down elevator near-vertical climb will continue until model almost Out sight 45 seconds engine run number ways RC- 1 may flown see sketches Climb 900 ft throttle back engine near idle anl bit right trim rudder RC-l will float around large circleshands off wouldnt hate bring down out graceful near zeropowered glide RC- 1 constructed shown slow-flying predictable sport-type model has flown Old-Timer compe K 5 titions suited Texaco Antique classes SAM events also does well limited-engine-run classes dont fly RC-1 Pattern events have lot fun trying beat modem RC models fun-fly event held local club Valley City RC Club Powered glow 45 engine RC-l takes off full-throttle nearvertical climb spectators gasp course nothing like flying done 1934 Since Chet has about 800 plans RC-1and because much interest arising its discovery magazine service will supply plans detailed full-size plans available $800 postage paid Chet Lanzo 1485 Lester Rd Valley City OH 44280 Tom McCoys mods RC-l Since McCoy specializes high-performance SAM FF-RC Assist evolved changes suit requirements pertaining wing construction have special significance sport RC fliers may indulge simple aerobatics use machine power winch Lanzo described JUST EW I4ORE FLIGRTS ACE AND ThEN ILL LET YOU FLY ER December 1986 185 Classic R/CSaleLAK5 TN D Wing 15 25 Engines ADVERTISERS INDEX 1 AMA Checks AMA Membershin AMA Mortgage Academy Aviatu Ace Radio Control Aero Plans N Aerodrome Models Airtronics American Jr Right Quay Barber Models Beer Can Bombers Bell Rock Industries Blue Ridge Machinery Brechin Enterprises Byron ariginals CH Electronics RC Products nell Tools Co elis Custom Kits Engine Imports aTaffinder sburn Mfg Hobbies Model Supply Elect ners Guide e Hobbies Designs Systems Corp. Diesel Developm Hobby Shop Products Inc ist Props Design Corp Supply Inc Master Aodels cale Models oducts Corp Amen n Products following quoted McCoys des cription As know RC- 1 rudderonly Free Flight model lot changes version begin SERS ometr irl Gc Golden Gorhai odels del Mfg nited ft Sons ion rn ay v lnternati ods Model Inc.. Sales Inc. J Sales . s Models Jolly Model Technical F raftsmanship Lind Co Models ucts Model Airplanes niel RC Service. sers Quality Model Mark o Model Engineering oX Expo Magic Products Rectifier Corp s Hobbies Products Inc. cts chnology ie Ent lymers Enterprises hinged stab second spar obvious elevator/stab break leading edge elevator elevator very large must moved very small arc model devil under power X ADVER n International Che n Valley Hobby Ce Products s Hobby cesion Built Models nress Mfg Co. ne Corp Digest ign Research stries South Tech International llsport y TG Industries e City Model Research Plans Photo RC Snap rock Competition Imp ns Hobby Shop Mfg Co Smith Industries Kraft Products Cyclone Engines Sweitzen Research Associ Products Co id Thompson RC Conft Rite Models Hobbies. Turn Engineei E Technical S indit Mfg Brothers Model Propeller Mfg Co Engines y Mfg Inc Aviation Marketing b solution dual rates works great dont have dual-rate radio careful move elevator /2 up down pushrod 3/6-rn sq carbon fiber reinforcement 186Model Aviation No 535 Atrix$725 RC Class D Sailplane spans 110 4-ch RC No 536 Cyrano II$325 FF P-30 Rubber flying wing canard spans 28 No 537 Cessna 206 Caravan$300 CL Sport Scale 02 electric power spans 37 U aD 0 CJ - eg 0 U0 -0 c3 stun 0 0 zao 0 000 0 r U 5 woo 2en So CU 0 5 j3 00 0 00 U 0 e 0 O5r C 0 U V 000 0 00 U 0 0 U U 0 mc 4 J 0 U 05 CITY N 00 l1 Stiletto CL Stunt model lMcOonaldl winnm 1976 1980 1982 PAl World Champs$375 BIoo Birds SC Ken Willards formation pIerre 4-cfranoel 10/15 power$375 Croshmostor Cf Crash-proof trainer two sizest 5/30 35/40 power$125 Mini P-lU SC Sarpolus 049 docted-fan sport flier 2-channel Balsa wings tail fone structure$275 1930 FloeS Bituloon SC Sport Scale 35/40 4-channel Wingspan 50 0 /n scale Twn sheets$625 Drake II SC Ken Willards flying hoot 3-chanwi 15-power fly land wdh remonahle gear5375 Toylor Cob SC Don Srulls Schoolyard-Scale 049s 2-3 channel Spans SOin6350 Zophyr SC Small 2-channel glider fun hand-launch tow thermal slope soaring$200 tenor 200 SC Sport Scale replica nf championship Aerohatic flier Uses 40 power 4-5 channel Two sheets91075 Bloctric Sparky C Electric-powered fun flier 05 mntor 3-channel SC scaled-up 1939 ruhher-power fanorite$050 Croinor PP Emhryo Endurance rohherpower fun ship has hig-model characteristics$200 Canolior SC Old-Timer-like now design has huge wing fnr easy flights 35 power 3 channels Two sheets91725 Firelseit SC Pusher canard spnrn/pa0ert 0000 40 puoher engine 4-channel Has swept-forward fnam wings$050 Mine Amonica SC Old-Timer Teoeco model 049 glow 2-channelsS050 Swoon P-30 PP Neat stickand-tissue Outdoor Sohher P-30-cless model contest-winner9200 Spoctra SC Electricpower 05size motor uses 3 different wings sport soaring aerohatics6700 4-40 SC Shoulder-wing sport flier 4-cycle 40-size engine 4 channels6050 Bloc Moe Ii BC Fun-fly oportnter 40-size engines spans 52 Lightweight structure$700 Stroker SC Mid-wing opnrtster uses 40/45 four-stroke engine opens Soyfi tail-dragger$650 Bottorcop SC Cute elfin sportster uses micro 2-ch SC pulse-rudder Spans 21 020/035 power$300 Weekender SC Low-wing spud flier 20-tize 4-stroke engine spans 47 in$575 4-SO SC Soc Mathews great sport flier 00-size four-stroker engine spans 70 Two sheets$t275 Fnkkor DVIII SC Sport Scale model WW f monoplane uses 90 four-stroke engine spans 03 Two sheets61000 Bill Wintors Vagabond PP Sport flier down-sized 02-powered aersion 1940s cehin plane Spans 33 in$225 Buzzkot SC Slopesoarer spans 60 in. uses 2 SC channels$750 P-38 Lightolog CL Sport Scale fighter spans 65 weigho 10 lh user twin 35s Two sheets$1175 Playnsoto SC Sport flier fur 3 SC channels t5/25-size engines spans 50 in$650 ltummiobird PP Hot cleos A/B competition plane own 05 Nets$750 0-258 CL Profile scale WW humher twin engines spans 30 in$400 Ronene 18 PP Hand-Launched Slider features cursed 10-in wing ItT$150 Stoospor PP Hand-Launched Slider has angular 10-in wing OT9150 F-iS CL profile scale fighter spaes 17 has tricycle landing gear$200 Entre 230 SC Giant Scale acrohatic plane spano 0 ft uses Ouadra engine Two plan sheets$1650 Block Beauty SC Slop-snaring racer has foam wing 3-ch SC spaes 114 in$750 Honey T SC Spoetnfer 2-3 channel SC spans 52 has adiustahle wing flaps$475 Weotleoti Whirlwind SC Sport Scele WW II twin-engined fighter fur 10-size engines spans 55 Two plan sheets$1150 Envoy CL Stunter 40/46 power spans 50 in$675 Poke Fnrd SC Sperteter three engines 3-ch SC Spans 50 Two plan sheets$575 Project P-13 PP Scale German WW II flyino wing pusher/tractor mhher power spans 26 in$325 Gee Bno S-i CL Profile sport flier fur 25 engines spans 36 in$475 Flight Aneingant Wheeled flight hoo carries lots Two plan sheets$11 SIt ComeS Jr Clipper Plus 30% SC Old-Timer oportoter engine 2-ch SC spans 48 in$650 Bonn Petto SC Semmnder-scale hipe 40180 engines spans 43 Two plae sheets$1050 Dowowolker PP Superlight Onlimited/Mulnihill ruhher-pnwered competition plane spans 42 in$400 Teocs Rat CL Another mggnd nersion Midwest Sport Sacer 40 engines spans 24 in$275 Hi-Tuck 2002 SC Caeand dusted-fan 45 engines spans 39 Two sheets$1000 KiSi Hem CL Mustly-cwdhnard spurt-scale WW II Japanese fighter foe 40 wgine spans 60 Two plan sheets$1150 Mios RJ SC World Champine FAI Pylon Sacer 40 neginos spaes 51 in$550 Swallow SC Lightweight hotdogger 40-size four-stroke negines spans 50 er$825 POY Catalina PP Skinny Scale Im two CO-2 motors Spans 32 AII-sheet-halsa constmctiun$325 Toonansi CL Profile scale spans 2t inches Allsheet-helen consterstern$225 Terrible Coupe PP Suhher-power Coupe dHiner spans 40 in$475 Boky Bird CL Tiny Stanter uses 049 diesel glow spew 34 in. has flaps$400 Ceosoa C-37 SC Schoolyard Scaler 1930s pIerre fnr 049/1 0 power 2-ch spans 42 in$500 1038 Challenger SC Texaco Old-Timer spans 47 Pun 049 engine 2-ch SC$550 Circle numbers plans wish order 193 332 454 499 508 515 522 529 239 386 457 500 509 516 523 530 262 414 460 502 510 517 524 531 302 438 465 503 511 518 525 532 310 440 470 505 512 519 526 533 314 444 478 506 513 520 527 534 326 447 490 507 514 521 528 535 536537 Plan price Includes firoS class postage tar US delivery IS Air Mail over 300 miies orders Bulside lbs US please add $250 Air Mail $125 surfaCe mail I Make check mocey order payable US funds Model Aviation CIO AMA 1810 Samuel Morse Dr RBsfon VA 22090 Please allow 3 6 weeks delivery Please print carefully Enclosed $ STREET STATE ZIP could use -in sq hard well model has short nose must keep tail light radio gear far forward possible model uses ignition Super Cyclone 60 ignition battery coil mounted up front helps servos mounted piece t/06 ply n balsa under-structure setup adds structural strength cabin area three servos rudder throttle elevator throttle miniature plastic bat handle switch hole drilled through handle pushrod wire use two solder grommets adjust proper throws two chargingjacks tray radio battery other ignition bat tery bent Vs wire hooks epoxied onto floor model use large rubberbands looped around wing pegs hold receiver batteries Ive using Otto Burnharts transistorized igni tion setup product No 77 markets about $25 drive unit two sub-C Ni-Cds requires no booster battery have ignition power need setup adds up 3-oz battery pack 1-oz coil ignition module pretty light trouble-free wing can problem suggest spars reinforced cut sizes down ed spars Y06 spruce top bottom think carbon fiber would super area would highly recommend area landing gear used 1 x -in plywood across fuselage both front back used rear brace pivot point landing gear nylon landing gear straps Goldberg 4-40 bolts blind nuts inside gear rests -in notch front used Yt dowel wrap rubberbands around creating swing-back gear very rugged original model showed Brown Jr engine fully cowled Ive used Super Cyclone much larger gives super climb 55-second engine run can climb model almost out sight opted replace cowl own half cowla hollow rear engine fairing makes clean design kept opening around engine tight clean could make Chet says likes cowl arrangement helps clean up nose thinks RC- 1 models built havent cowls Another suggestion put h-in plastic tube tail model under stab will used weight box adding removing lead shot can move CG around until get model balanced way want Nice able move CG forward windy day just removing weight model covered silk dope very strong weight Gen erally would suggest fabric coverings structure very light must stressed-skin covering feel whole structure would have beefed up 188 Model Aviation No 193 No 239 No 262 No 302 No 310 No 314 No 326 No 332 No 306 No 414 No 430 No 440 No 444 No 441 No 454 No 451 No 460 No 465 No 410 No 478 No 400 No 400 No 500 No 502 No 503 No 505 No 506 No 501 No 508 No 509 No 510 No 511 No 512 No 513 No 514 No 515 No 516 No 511 No 518 No 519 No 520 No 521 No 522 No 523 No 524 No 525 No 526 No 527 No 528 No 520 No 530 No 531 No 532 No 533 No 534
Edition: Model Aviation - 1986/12
Page Numbers: 106, 107, 108, 109, 110, 182, 184, 185, 186, 188
NO OCR TEXT Opposite page top Coming spot landing under radio control Chats own RC-1 settles like graceful bird 1934 year its birth such photo would have nearly impossible Nothing landed nearby including RC models nationwide could numbered fingers hand RC-1 SAM-approved Antique FP Opposite page bottom few seconds later Chet finishes slight S just prior two-wheel landing walk after session dead-stick soaring Above Coming after 5-mm soaring flight Chet removes propengine ballastand launches standard winch Youll find some fascinating techniques text cluding slight mods teacup hanger hook Chet watches wrinkles covering during launch eases off necessary Says might wish add auxIliary spar Lanzos co-author says has enough trouble just seeing plane flight much less wrinkles WHEN CHET LANZO WAS 20 half century ago created remarkably simple functional grace ful gas model superb flying ability contemporary famed Bassett designs KG Kovel-Orant published MAN 1 930s fact two designs Lanzos spiration attempted develop gas model own objective radiocontrolled flight name RC-l testi fies Sometime around 1934 story about Chet historic craft appeared Cleveland Press along excellent photo plane its creator newspapers lead-in read high-wing cabin monoplane 7-ft spread powThis flyby shows RC-1 elevatoron right Its enough though Chet notes model requiresvery little elevatorto responsive Modern-day spinner used starting ease ered gasoline engine capable 50 mph equipped radio controls may operated ground ambitious model airplane project de veloped Chester Lanzo Junior Aviator National Air Races article went relate Chet interested models 10 years already flown two large models recalled experience craft shops East End neighborhood house graduation East Technical High Chet begins takeoff roll RC-1 Covering red-colored silk black trim using butyrate dope Cutoff Important feature use glow set up carb throttle barrel cuts off air kills engine transmitter trim moved full idle December 1986 107 Left The ignition SuperCyclone installed Tom McCoys RC-1 McCoys own hand-carved 13 x4 based HA ThomasAir Trails article 19509 Note attachment rubbershock band landing gearto dowel sideofthe nose cheek Right Detailsof wire gear Thinner cross wires prevent splaying Cross section front one-piece leg free move down back restrained rubberband shocks both sides rear wire can pivot under three nylon strap fittings provide smooth yet sturdy landings Left Center servo operates ignition Kill switcn Mcloys snip Ball-links attach others square balsa pushroifS Battery pack rubberband-wrapped suspended front hold-down dowel two loops band Right Clevis rods have unthread end joined wire pushrod extensions via soldering connectors Stab airfoil 50%-thick Clark Y CG therefore 45 50% wing chord School studied aeronautical engineering peers abroad consider Chet worlds finest modelers achievements monumental know Chet will disapprove last two sen tences because self-effacing style humble guybut necessary say order account out-ofthe-blue events unfold below Lanzos 1937 Nats-winning RC seem ingly step backward configu ration forgotten 1934 plane display AMA Museum follows ancient Lanzo tradition stick-type wire cabane polyhedral Free Flights employed successfully RC Its primi tive radio now seems like something Ice Age course radio RC-1 never described goes back Dinosaurs Chet will talk about vintage Marconi may make loose words awareness RC- 1 began chance photo deBolt winning model Tom McCoy March 1986 Antenna Interupter Spark gap Model T auto Fordiii sparking coiI~ Tuning coil & 6 volt _con dens storage Signal key SPARK GAP TRANSMITTER issue able include item RC- 1 three-view drawing thanks both Tom Chet overwhelmed Chets invitation write RC- 1 story him feel profoundly honored have organized Chets comments precisely spoke questions understood eliminated permit Chet maximum space RC-1 approved Society Antique Modelers SAM 1982 compete its basic contest events authenticated desigu listed SAM Speaks accepted Antique Chets account 1934 put together RC-l first attempt radio controlling gasolineengine-powered model airplane am bitious project able launch gas model get air good height have reasonable flight return model vicinity launching siteall radio control sounded simple enough proved very substantial goaland easily attained competed rubber-powered events Nationals held Akron OH 108Model Aviation 1934 new ruling contest gas-powered models allowed compete against rubber-powered ones events such Moffet Mulvihill winner Texaco event made longest flight gas-powered model using new ruling limited amount fuel ound model weight Maxwell Bassett Philadelphia 1933 winner retained title flight 21 mm 57 sec Irwin Ohlsson Bill Atwood California See MA October 1986 Atwood flew two large approximately 9-ft-span gas-powered models Atwood designed gas engines both ships few gaspowered models unable climb high enough clear 1 2-story Goodyear dirigible air dock flew building engines running slid down its sides thought would great idea build gas job prevent fly-aways accidents controlling model radio What brave lad model airplane club Cleveland intrigued Brown Jr 60 engine just starting produced time Money sale several small Scale models built members club al lowed us purchase engines agreed club member would allowed use Brown short period time during year So designed built RC-1 7-ft-span cabin model waited turn use engine Brown Jr became available club fall 1934 could hardly wait get RC-l air Flying tests proved model very capable flying machine would climb steadily under power glide stable slow idea get model trimmed out bugs worked out before installing radio building models 10 yearsmostly rubber-pow ered Free Flight Scale Free Flight contest types what would now call Wakefield RC-1 provided good opportunity learn what Id need know further attempts produce successful flying controllable model indeed good starting point RC picture bleak 1934 did know anyone building built RC unit gas-powered model airplane fact some fellow mod elers considered bit unusual brought up subject Radio control equipment just did exist must remember gas-powered models flying about two years some very heavy radio equipment used control model boats lightplanes during WW amateur RC hobby composed few isolated experimenters using makeshift equipment produce successful models guided radio no minia ture components lightweight units avail able Parts radios extremely heavy Lightweight batteries werent availAntenna 3 V ignition battery Tuning coil 8 4j%condensor F Coherer-Glass tube 3 long filled mixture iron 8 silver file ings * gRudder actuator relay Clapper arm Airplane rudder tab Return spring Cable drive Rudder set right turn signal. left turn no signal COHERER TYPE RECEIVING UNIT able either receivers used filament high voltage plate bias batteries Most tubes being used high-drain fila ment type Beginnings model design design stems full-size cabin air planes flying could point design influential low throttle power landing stoogina viewed abovearound 2climbing turns tOaltitudeg-9l elongated fig 8stake off direction S turns looseitouch down oltitude 360 turns quicker losslanding Strip METHOD FOR LOOSING ALTITUDE FOR SMALL FIELD POWER-ON LANDINGS prepare landing alt 4A take offactivity I thermal landing strip METHOD USED FOR DEAD STICK LANDING ENGINE CUT OFF December 1986 109 LeT Hucky waiters prepares nis -n RC-1 ignition Orwick 60 version uses both flippers paper covered wed guess silkspan Chet says modern glow 45 can sustain near vertical climb aftertakeoff Right Tom McCoys lovely RC-1 famous among OldTimer fliers Lanzo saying Toms workmanship awes him ignition Super Cyke Toms 1000 sq bird has spectacular climb would greatest gas modeler time Maxwell Bassett RC-1 corporates lot 1933 cabin model design wingspan RC- 1 dictated 3-ft length balsa hand didnt like splice spars leading trailing edgesmade weakso used 3-ft tips added 1-ft center section give 7-ft span must have influenced other models mod elers some memories old times crystal clear others about 50 years old plans call silk covering make model durable long-lasting present-day RC original covered bamboo paper looked like blotting paper given three four coats heavy nitrate dope Butyrate available made tough inexpensive covering used silk could afford nitrate dope some what fuel-proof gas oil reason used black-pigmented nitrate dope front end engine compart ment Lacking bamboo paper wanted make tail sections lighter would use Japanese tissue double covering grain tissue cross ing right angles discourage puncture tears model RC-l design similar rubber-powered cabin-type models flying 1934 design philosophy time dictated airplanes have cowling over engine mess model cabin windshield windows side wing simple rectangle rounded tips conventional rudder elevator complete design -in-sq diagonals fuselage rigidity really necessary modem-day RC used Ambroid ce ment red-colored stuff also made homemade cement acetone cellu loid thought could eliminate heavy electrical equipment vacuum tubes batteries transformers relays would stand chance successful oper ation other words hoped simplify receiving end equipment thereby eliminate great deal weight coherer-type receiver its asso ciated spark-gap transmitter seemed fit requirements very satisfactorily simply detector relay-actuator combined engine ignition system bat teries power unit airborne equipment complete receiver turned out weigh less 8 oz transmitter simplicity itself Ford Model T spark coil 1923 vintage key pulse signal 6V auto storage battery made up bulk transmitter course also antenna tuned coil system Early radio tests RC- 1 very NQI COWL OPTIONAL LIFTS FROM FRONT & HINGED REAR ENGINE SET AT5T06 DOWNTHRIJGT rRIGHT REAR SPARFRONT SPAR NGTE REEF-SF SF REAR SPAR MIGHT NOT BE NEEDEDIo 0011 Inc colI 1THE RO-ONE I DESIGNED BY CHESTER D LANZO 11WINGSPANB4 INSWING AREAIOIO SQ INS 1POWER BROWN JR I/S HP 14 IN PROP 1iCOVERING SILK RED DOPE WITH BLACK TRIM 1 F 1 NI CA AT 43 TO 50% OF WINS CHORD FROM LE I__ WEIGHT GA OZG 4STAB Gin SCALE IN INCHESVSDOWELGLGNA 01 2 34 DRR10 1216DO24 RQIEFDRELEVATORCDNTRGL ____________________________________________________________[v32][b192130729400]]HINGE AS SAGAN 10 OaII 110 Model Aviation stable both powered flight glide Small movements rudder trimming would give nice large circle right left discovered model could handle additional eight receiver quite well built radio equipment bench-tested looked coherer receiver system viable method radio control although took lot fiddling fussing just get relay close stay closed eliminated gears motors devised very simple rudder control sys Continued page 182 THIS 1934 7 FREE FLIGHT DESIGN WAS ALSO FLOWN RC 4 ESIGN TAILORED HELICAL PITCH DEVELOPEOTOGIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALLTHELATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW DIAPITCH THP 1266778 136778 146778 1567 16678 PRICE 299 379 479 889 989 NEW PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10T020%INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCHPRICE 53/i34149 634149 72833456179 8334568189 845667199 9456677199 1045667209 106W8W209 106EW219 114677778229 115W229 11BEW239 1167239 124W279 125W279 1256279 1356349 1456459 1556659 164N969 16678969 RC PYLON RACING SERIES 500 DIA PITCH PRICE 7SN 5/N279 8I 677/8 299 SERIES 4000 86/s6777289 9777289 W WIDE BLADE EW EXTRA WIDE M MADAW Now available. either aluminum brass must epoxied place freewheel notch can cut file razor saw drive dog slips over back propeller engages blades glued propeller thus complies un modified prop rule Trimming flying Cyrano easy model trim trimming tech nique little unusual Work glide first mythical tall grass available use test glide over use softest substitute possible adjust ment available trim glide pitch CG Since no tail cannot change incidence advantage tail warps incidence cannot change ruin trim model glide adjusted adding clay nose model stalls tail glides too nose-down Turn can set small rudder tab trailing edge pylon sufficient small drag tab wing tip can also used Cyrano flies left-left pattern attempt fly right will spiral time Set power turn adjusting thrust line have found small amount left thrust usually re quired get good tight stall-free climb get left thrust either place shim under right side tail block sand away little left side fuselage tail block rests small amount downthrust may necessary control power stalling Cyrano wound hooking onto wire loop nose winder holder restrains model propeller Make absolutely sure freewheel notch has engaged propeller shaft before start winding holder will treated shaft run fingers will never forget Start text flights low power work up slowly maximum winds motor Cyrano 10-gram loop -in FAI rubber important weigh motors flying Cyrano Changing motor weight will change pitch trim airplane said before tailless models quite sensitive CG shifts Cymano easy model build has contest-winning performance worth building just watch ex pressions disbelief peoples faces cruises overhead Flying wings com petitive Try RC-1 /Lanzo-Winter Continued page 110 tem rewinding electromagnet Ford cut-out relay used com bination relay rudder operator placed extended arm clapper linked rudder two control strings control gave right turn against torque actuated left turn no signal no neutral equipment mounted plane engine nmning range very shortless 100 ft problem models ignition coil acting transmitter swamping signal ground-based transmitter Too bad glow plug engines available would say RC-1 should have considered successful RC model 1934 1935 tremendous success Free Flight model oould carry additional weight receivera quality contemporary models still aim flew RC-l local flying field never entered large contests retired after bad crackup should noted radio equipment shown nostalgic project useful RC setup coherer system works key transmitter pressed down sparking coil energized sends out continuous series sparks across spark gap resulting undamped electromag netic waves imposed across tuning coil oondenser tuned frequency waves sent out over air waves antenna antenna mounted model re ceives transmitted radio waves impressed tuning coil condenser also two end caps coherer coherer tube loosely filled about 50-5 0 mixture iron silver filings frequency signal impressed iron filings become magnetized stick together action also squeezes dispersed silver filings together decreases resistance across tube ends causing electrical current flow through ac tuatorContinued page 184 182 Model Aviation THE LEADER IN COM PETITION PROPELLERS ThE WORLDS VINTAGE SAILPLANES 1908-45 Martin Simons Hard hound 176 pages quality paper 248 beautiful black white photos plus 65 color plates nearly 100 finely detailed scale drawings magnifi cent collection rare information classic old-timers SPECIAL CONCESSION OFFER FROM THE PUBLISHER ONLY avail able readers send us 2 International Reply Coupons Ask Post Office will airmail free color brochure price details tell order write now KOOKADURRA TECHNICAL PUBLICATIONS Pty Ltd P0 Box 648 DandenonE 3175 Victoria Australia h -U I ri J actuator arm pulls giving rudder left run key released no signal being sent vibration Brown Jr engine transmitted coherer mounted engine firewall iron filings shaken loose way actuator circuit broken clearing system signal can received As can see receiver would operate engine running producing vibration necessary decohere receiver device similar doorbell ringer could have used rejected because weight Readers probably will recognize radio used early days wireless telegraphy before vacuum-type tube came use Modem-day kids prob ably dont know what vacuum tube either rudder actuator system described typical gear used nor used others couple years later what thought would workable unit time prove myself built another 1 2-ft-span model after RC-1 followed 9-ft-span sticktype plane hangs AMA Mu seum Reston VA None equip ment museum model similar what used RC- 1 am collecting some old type-30 tubes other RC equipment build duplicate receiver transmitter museum model does have proper receiver now Construction notes construction techniques shown plan OK Free Flight version building RC- 1 Radio Control may get heavy stunt loads wings suggest adding n spruce spars existing spars beef up increased stress Fuselage The conventional method stick construction fuselage has used numerous Old-Timer models looks flimsy difficult actually type construction incredibly strong its weight requires small amount experience building stickand-paper-type airplanes RG- 1 can successfully towed up 1000 ft using standard tow winch towline same manner modem Sailplane models Attach tow hook under belly airplane Use -inthick plywood insert fit inside body longerons crosspieces tow hook can made out simple bent-screw hook like cup hanger Install -in-sq hardwood reinforcing crosspieces hook inside fuselage hook should positioned about ard center gravity CG location CG incidentally should about one-third wing chord leading edge towline has parachute attached sure make inoperative wrapping rubber around Better yet remove chute entirely may easily caught landing gear happens flier will lot anxious con trolling trying bring model landing precaution take launching tow go easy power switch Small short pulses will job Watch upper surface model towed upward first few flights Wrinkling covering near dihedral joints will indicate over-stressing wing point must let up winch power switch prevent wing col lapse would recommend use ruce reinforcing spars wing intend winch-launching RC- 1 Remove prop place spinner shaft safety Ive made flights five minutes RC- 1 towed good weather Try Youll like Setting up RC- 1 flying Never fly downwind gliding Youll drift farther downwind tension will build open way mistakes model will eventually disappear leamed early days RC equipment unpredictable unreliable Gliding up wind can make kinds mistakes model will eventually drift right back you get model down its caught powerful thermal have no flaps spoilers dive brakes RC model best way get out rising currents air spin down stalled tum sure have plenty up elevator 1 50—and plenty rudder throw put spin pull back full stick full up elevator about two seconds later apply full left rudder will result tight left spin like put rudder elevator control righthand side transmitter controls throttle left attitude plane will spin down very nicely creasing its downward speed problem trying dive out large thermal giving down elevator speed will build up incredibly causing shredding wing tail producing high-speed flutter also possible snap wing pulling out high-speed dive no matter gently pull back stick practice stalled spin maneuver much possible youre under non-thermal conditions spin maneuver also very good youre caught cloud model disappears fluffy stuff Put stalled tum hold breath pretty soon will see model re appear can bring down safe altitude Heres way find elusive thermals RC-l youre glide Picture mind hot-air balloon floating air Its about 200 300 ft diameter about 500 ft high basket about 100 ft off ground balloon represents good-sized thermal its rising expanding same time have penetrate big column air has tough outer layer youll need hit head-on model will tend bounce off its tough hide deflected off side Watch RC-l very carefully will tell thermal Fly model straight ahead hands off controls notice model starting rise already thermal good changes course either right left tum back thermal until have penetrated Once inside thermal circle right left 50-ft circles same time applying small amount up trim elevator Just watch 184 Model Aviation NEW FOR 1987 CYCLONE SUPER 65 CLASSIC IGNITION ENGINES BIG BORE 647 CU IN DISPL Factory tested ready run md Display Box Coil Cond Lead Plug Owners Manual Parts List Cowl Decals Price $19950 plus $5 ship Credit price 21500 includes shipping MasterCard/Visa welcome ORDER NOW early delivery SUPER CYCLONE ENGINFS Box 26390 Phoenix Arizona 85068 602 870-3342 auto ans Dealers & Distributors Welcomed Phone 703 273-9593 FLYLINE MODELS INC PO Bex 2136 Peirfax VirgInia 22031 USA model climbs away its own seem get greatest pleasure out RC-l glide looking thermals Soar ing about silent flight idea ultimate RC flying Flying instructions Run engine bench good half hour until will start couple flips prop Work out a11 bugs install engine plane Check center gravity coincides position shown plans sport flying CG can moved forward 33% position one-third chord leading edge wing position will give stable setup beginning flier rearward position shown draw ings will give little less sinking speed small sacrifice longitudinal sta bility first test flight best made day sunny warm no wind light steady breeze like fly afternoon 4 pm until sundown wind down hot-rod fliers have left flying site enjoy being alonejust modelbut safety its best have someone along Adjust engine very low idle just enough pull move model over grass field Taxi around landing strip about two tanks gas get feel model controls Set model down middle takeoff area facing wind apply one-eighth one-quarter throttle model will taxi about 20 ft beoome airborne RC-1 should climb slowly steadily one-quarter throttle just relax enjoy ship gently climbs turns direction should fly straight level controls neutral lowest throttle setting can found engine large elevator area RC-1 almost impossible stall glide under low power easiest way land power shut off Bring model over landing strip downwind side about 20 ft altitude cut throttle model will glide using up 50 100 ft strip settle grass Just before touch down give tap up elevator true three-point semi-stalled landing Power-on landings low throttle can made just easily small amount down trim elevator RC-1 very gentle stable model under low throttle very difficult get trouble full throttle model becomes very active fast Hold rudder give full throttle let er go shell hop off ground 5 10 ft start climbing Add small amount down elevator near-vertical climb will continue until model almost Out sight 45 seconds engine run number ways RC- 1 may flown see sketches Climb 900 ft throttle back engine near idle anl bit right trim rudder RC-l will float around large circleshands off wouldnt hate bring down out graceful near zeropowered glide RC- 1 constructed shown slow-flying predictable sport-type model has flown Old-Timer compe K 5 titions suited Texaco Antique classes SAM events also does well limited-engine-run classes dont fly RC-1 Pattern events have lot fun trying beat modem RC models fun-fly event held local club Valley City RC Club Powered glow 45 engine RC-l takes off full-throttle nearvertical climb spectators gasp course nothing like flying done 1934 Since Chet has about 800 plans RC-1and because much interest arising its discovery magazine service will supply plans detailed full-size plans available $800 postage paid Chet Lanzo 1485 Lester Rd Valley City OH 44280 Tom McCoys mods RC-l Since McCoy specializes high-performance SAM FF-RC Assist evolved changes suit requirements pertaining wing construction have special significance sport RC fliers may indulge simple aerobatics use machine power winch Lanzo described JUST EW I4ORE FLIGRTS ACE AND ThEN ILL LET YOU FLY ER December 1986 185 Classic R/CSaleLAK5 TN D Wing 15 25 Engines ADVERTISERS INDEX 1 AMA Checks AMA Membershin AMA Mortgage Academy Aviatu Ace Radio Control Aero Plans N Aerodrome Models Airtronics American Jr Right Quay Barber Models Beer Can Bombers Bell Rock Industries Blue Ridge Machinery Brechin Enterprises Byron ariginals CH Electronics RC Products nell Tools Co elis Custom Kits Engine Imports aTaffinder sburn Mfg Hobbies Model Supply Elect ners Guide e Hobbies Designs Systems Corp. Diesel Developm Hobby Shop Products Inc ist Props Design Corp Supply Inc Master Aodels cale Models oducts Corp Amen n Products following quoted McCoys des cription As know RC- 1 rudderonly Free Flight model lot changes version begin SERS ometr irl Gc Golden Gorhai odels del Mfg nited ft Sons ion rn ay v lnternati ods Model Inc.. Sales Inc. J Sales . s Models Jolly Model Technical F raftsmanship Lind Co Models ucts Model Airplanes niel RC Service. sers Quality Model Mark o Model Engineering oX Expo Magic Products Rectifier Corp s Hobbies Products Inc. cts chnology ie Ent lymers Enterprises hinged stab second spar obvious elevator/stab break leading edge elevator elevator very large must moved very small arc model devil under power X ADVER n International Che n Valley Hobby Ce Products s Hobby cesion Built Models nress Mfg Co. ne Corp Digest ign Research stries South Tech International llsport y TG Industries e City Model Research Plans Photo RC Snap rock Competition Imp ns Hobby Shop Mfg Co Smith Industries Kraft Products Cyclone Engines Sweitzen Research Associ Products Co id Thompson RC Conft Rite Models Hobbies. Turn Engineei E Technical S indit Mfg Brothers Model Propeller Mfg Co Engines y Mfg Inc Aviation Marketing b solution dual rates works great dont have dual-rate radio careful move elevator /2 up down pushrod 3/6-rn sq carbon fiber reinforcement 186Model Aviation No 535 Atrix$725 RC Class D Sailplane spans 110 4-ch RC No 536 Cyrano II$325 FF P-30 Rubber flying wing canard spans 28 No 537 Cessna 206 Caravan$300 CL Sport Scale 02 electric power spans 37 U aD 0 CJ - eg 0 U0 -0 c3 stun 0 0 zao 0 000 0 r U 5 woo 2en So CU 0 5 j3 00 0 00 U 0 e 0 O5r C 0 U V 000 0 00 U 0 0 U U 0 mc 4 J 0 U 05 CITY N 00 l1 Stiletto CL Stunt model lMcOonaldl winnm 1976 1980 1982 PAl World Champs$375 BIoo Birds SC Ken Willards formation pIerre 4-cfranoel 10/15 power$375 Croshmostor Cf Crash-proof trainer two sizest 5/30 35/40 power$125 Mini P-lU SC Sarpolus 049 docted-fan sport flier 2-channel Balsa wings tail fone structure$275 1930 FloeS Bituloon SC Sport Scale 35/40 4-channel Wingspan 50 0 /n scale Twn sheets$625 Drake II SC Ken Willards flying hoot 3-chanwi 15-power fly land wdh remonahle gear5375 Toylor Cob SC Don Srulls Schoolyard-Scale 049s 2-3 channel Spans SOin6350 Zophyr SC Small 2-channel glider fun hand-launch tow thermal slope soaring$200 tenor 200 SC Sport Scale replica nf championship Aerohatic flier Uses 40 power 4-5 channel Two sheets91075 Bloctric Sparky C Electric-powered fun flier 05 mntor 3-channel SC scaled-up 1939 ruhher-power fanorite$050 Croinor PP Emhryo Endurance rohherpower fun ship has hig-model characteristics$200 Canolior SC Old-Timer-like now design has huge wing fnr easy flights 35 power 3 channels Two sheets91725 Firelseit SC Pusher canard spnrn/pa0ert 0000 40 puoher engine 4-channel Has swept-forward fnam wings$050 Mine Amonica SC Old-Timer Teoeco model 049 glow 2-channelsS050 Swoon P-30 PP Neat stickand-tissue Outdoor Sohher P-30-cless model contest-winner9200 Spoctra SC Electricpower 05size motor uses 3 different wings sport soaring aerohatics6700 4-40 SC Shoulder-wing sport flier 4-cycle 40-size engine 4 channels6050 Bloc Moe Ii BC Fun-fly oportnter 40-size engines spans 52 Lightweight structure$700 Stroker SC Mid-wing opnrtster uses 40/45 four-stroke engine opens Soyfi tail-dragger$650 Bottorcop SC Cute elfin sportster uses micro 2-ch SC pulse-rudder Spans 21 020/035 power$300 Weekender SC Low-wing spud flier 20-tize 4-stroke engine spans 47 in$575 4-SO SC Soc Mathews great sport flier 00-size four-stroker engine spans 70 Two sheets$t275 Fnkkor DVIII SC Sport Scale model WW f monoplane uses 90 four-stroke engine spans 03 Two sheets61000 Bill Wintors Vagabond PP Sport flier down-sized 02-powered aersion 1940s cehin plane Spans 33 in$225 Buzzkot SC Slopesoarer spans 60 in. uses 2 SC channels$750 P-38 Lightolog CL Sport Scale fighter spans 65 weigho 10 lh user twin 35s Two sheets$1175 Playnsoto SC Sport flier fur 3 SC channels t5/25-size engines spans 50 in$650 ltummiobird PP Hot cleos A/B competition plane own 05 Nets$750 0-258 CL Profile scale WW humher twin engines spans 30 in$400 Ronene 18 PP Hand-Launched Slider features cursed 10-in wing ItT$150 Stoospor PP Hand-Launched Slider has angular 10-in wing OT9150 F-iS CL profile scale fighter spaes 17 has tricycle landing gear$200 Entre 230 SC Giant Scale acrohatic plane spano 0 ft uses Ouadra engine Two plan sheets$1650 Block Beauty SC Slop-snaring racer has foam wing 3-ch SC spaes 114 in$750 Honey T SC Spoetnfer 2-3 channel SC spans 52 has adiustahle wing flaps$475 Weotleoti Whirlwind SC Sport Scele WW II twin-engined fighter fur 10-size engines spans 55 Two plan sheets$1150 Envoy CL Stunter 40/46 power spans 50 in$675 Poke Fnrd SC Sperteter three engines 3-ch SC Spans 50 Two plan sheets$575 Project P-13 PP Scale German WW II flyino wing pusher/tractor mhher power spans 26 in$325 Gee Bno S-i CL Profile sport flier fur 25 engines spans 36 in$475 Flight Aneingant Wheeled flight hoo carries lots Two plan sheets$11 SIt ComeS Jr Clipper Plus 30% SC Old-Timer oportoter engine 2-ch SC spans 48 in$650 Bonn Petto SC Semmnder-scale hipe 40180 engines spans 43 Two plae sheets$1050 Dowowolker PP Superlight Onlimited/Mulnihill ruhher-pnwered competition plane spans 42 in$400 Teocs Rat CL Another mggnd nersion Midwest Sport Sacer 40 engines spans 24 in$275 Hi-Tuck 2002 SC Caeand dusted-fan 45 engines spans 39 Two sheets$1000 KiSi Hem CL Mustly-cwdhnard spurt-scale WW II Japanese fighter foe 40 wgine spans 60 Two plan sheets$1150 Mios RJ SC World Champine FAI Pylon Sacer 40 neginos spaes 51 in$550 Swallow SC Lightweight hotdogger 40-size four-stroke negines spans 50 er$825 POY Catalina PP Skinny Scale Im two CO-2 motors Spans 32 AII-sheet-halsa constmctiun$325 Toonansi CL Profile scale spans 2t inches Allsheet-helen consterstern$225 Terrible Coupe PP Suhher-power Coupe dHiner spans 40 in$475 Boky Bird CL Tiny Stanter uses 049 diesel glow spew 34 in. has flaps$400 Ceosoa C-37 SC Schoolyard Scaler 1930s pIerre fnr 049/1 0 power 2-ch spans 42 in$500 1038 Challenger SC Texaco Old-Timer spans 47 Pun 049 engine 2-ch SC$550 Circle numbers plans wish order 193 332 454 499 508 515 522 529 239 386 457 500 509 516 523 530 262 414 460 502 510 517 524 531 302 438 465 503 511 518 525 532 310 440 470 505 512 519 526 533 314 444 478 506 513 520 527 534 326 447 490 507 514 521 528 535 536537 Plan price Includes firoS class postage tar US delivery IS Air Mail over 300 miies orders Bulside lbs US please add $250 Air Mail $125 surfaCe mail I Make check mocey order payable US funds Model Aviation CIO AMA 1810 Samuel Morse Dr RBsfon VA 22090 Please allow 3 6 weeks delivery Please print carefully Enclosed $ STREET STATE ZIP could use -in sq hard well model has short nose must keep tail light radio gear far forward possible model uses ignition Super Cyclone 60 ignition battery coil mounted up front helps servos mounted piece t/06 ply n balsa under-structure setup adds structural strength cabin area three servos rudder throttle elevator throttle miniature plastic bat handle switch hole drilled through handle pushrod wire use two solder grommets adjust proper throws two chargingjacks tray radio battery other ignition bat tery bent Vs wire hooks epoxied onto floor model use large rubberbands looped around wing pegs hold receiver batteries Ive using Otto Burnharts transistorized igni tion setup product No 77 markets about $25 drive unit two sub-C Ni-Cds requires no booster battery have ignition power need setup adds up 3-oz battery pack 1-oz coil ignition module pretty light trouble-free wing can problem suggest spars reinforced cut sizes down ed spars Y06 spruce top bottom think carbon fiber would super area would highly recommend area landing gear used 1 x -in plywood across fuselage both front back used rear brace pivot point landing gear nylon landing gear straps Goldberg 4-40 bolts blind nuts inside gear rests -in notch front used Yt dowel wrap rubberbands around creating swing-back gear very rugged original model showed Brown Jr engine fully cowled Ive used Super Cyclone much larger gives super climb 55-second engine run can climb model almost out sight opted replace cowl own half cowla hollow rear engine fairing makes clean design kept opening around engine tight clean could make Chet says likes cowl arrangement helps clean up nose thinks RC- 1 models built havent cowls Another suggestion put h-in plastic tube tail model under stab will used weight box adding removing lead shot can move CG around until get model balanced way want Nice able move CG forward windy day just removing weight model covered silk dope very strong weight Gen erally would suggest fabric coverings structure very light must stressed-skin covering feel whole structure would have beefed up 188 Model Aviation No 193 No 239 No 262 No 302 No 310 No 314 No 326 No 332 No 306 No 414 No 430 No 440 No 444 No 441 No 454 No 451 No 460 No 465 No 410 No 478 No 400 No 400 No 500 No 502 No 503 No 505 No 506 No 501 No 508 No 509 No 510 No 511 No 512 No 513 No 514 No 515 No 516 No 511 No 518 No 519 No 520 No 521 No 522 No 523 No 524 No 525 No 526 No 527 No 528 No 520 No 530 No 531 No 532 No 533 No 534
Edition: Model Aviation - 1986/12
Page Numbers: 106, 107, 108, 109, 110, 182, 184, 185, 186, 188
NO OCR TEXT Opposite page top Coming spot landing under radio control Chats own RC-1 settles like graceful bird 1934 year its birth such photo would have nearly impossible Nothing landed nearby including RC models nationwide could numbered fingers hand RC-1 SAM-approved Antique FP Opposite page bottom few seconds later Chet finishes slight S just prior two-wheel landing walk after session dead-stick soaring Above Coming after 5-mm soaring flight Chet removes propengine ballastand launches standard winch Youll find some fascinating techniques text cluding slight mods teacup hanger hook Chet watches wrinkles covering during launch eases off necessary Says might wish add auxIliary spar Lanzos co-author says has enough trouble just seeing plane flight much less wrinkles WHEN CHET LANZO WAS 20 half century ago created remarkably simple functional grace ful gas model superb flying ability contemporary famed Bassett designs KG Kovel-Orant published MAN 1 930s fact two designs Lanzos spiration attempted develop gas model own objective radiocontrolled flight name RC-l testi fies Sometime around 1934 story about Chet historic craft appeared Cleveland Press along excellent photo plane its creator newspapers lead-in read high-wing cabin monoplane 7-ft spread powThis flyby shows RC-1 elevatoron right Its enough though Chet notes model requiresvery little elevatorto responsive Modern-day spinner used starting ease ered gasoline engine capable 50 mph equipped radio controls may operated ground ambitious model airplane project de veloped Chester Lanzo Junior Aviator National Air Races article went relate Chet interested models 10 years already flown two large models recalled experience craft shops East End neighborhood house graduation East Technical High Chet begins takeoff roll RC-1 Covering red-colored silk black trim using butyrate dope Cutoff Important feature use glow set up carb throttle barrel cuts off air kills engine transmitter trim moved full idle December 1986 107 Left The ignition SuperCyclone installed Tom McCoys RC-1 McCoys own hand-carved 13 x4 based HA ThomasAir Trails article 19509 Note attachment rubbershock band landing gearto dowel sideofthe nose cheek Right Detailsof wire gear Thinner cross wires prevent splaying Cross section front one-piece leg free move down back restrained rubberband shocks both sides rear wire can pivot under three nylon strap fittings provide smooth yet sturdy landings Left Center servo operates ignition Kill switcn Mcloys snip Ball-links attach others square balsa pushroifS Battery pack rubberband-wrapped suspended front hold-down dowel two loops band Right Clevis rods have unthread end joined wire pushrod extensions via soldering connectors Stab airfoil 50%-thick Clark Y CG therefore 45 50% wing chord School studied aeronautical engineering peers abroad consider Chet worlds finest modelers achievements monumental know Chet will disapprove last two sen tences because self-effacing style humble guybut necessary say order account out-ofthe-blue events unfold below Lanzos 1937 Nats-winning RC seem ingly step backward configu ration forgotten 1934 plane display AMA Museum follows ancient Lanzo tradition stick-type wire cabane polyhedral Free Flights employed successfully RC Its primi tive radio now seems like something Ice Age course radio RC-1 never described goes back Dinosaurs Chet will talk about vintage Marconi may make loose words awareness RC- 1 began chance photo deBolt winning model Tom McCoy March 1986 Antenna Interupter Spark gap Model T auto Fordiii sparking coiI~ Tuning coil & 6 volt _con dens storage Signal key SPARK GAP TRANSMITTER issue able include item RC- 1 three-view drawing thanks both Tom Chet overwhelmed Chets invitation write RC- 1 story him feel profoundly honored have organized Chets comments precisely spoke questions understood eliminated permit Chet maximum space RC-1 approved Society Antique Modelers SAM 1982 compete its basic contest events authenticated desigu listed SAM Speaks accepted Antique Chets account 1934 put together RC-l first attempt radio controlling gasolineengine-powered model airplane am bitious project able launch gas model get air good height have reasonable flight return model vicinity launching siteall radio control sounded simple enough proved very substantial goaland easily attained competed rubber-powered events Nationals held Akron OH 108Model Aviation 1934 new ruling contest gas-powered models allowed compete against rubber-powered ones events such Moffet Mulvihill winner Texaco event made longest flight gas-powered model using new ruling limited amount fuel ound model weight Maxwell Bassett Philadelphia 1933 winner retained title flight 21 mm 57 sec Irwin Ohlsson Bill Atwood California See MA October 1986 Atwood flew two large approximately 9-ft-span gas-powered models Atwood designed gas engines both ships few gaspowered models unable climb high enough clear 1 2-story Goodyear dirigible air dock flew building engines running slid down its sides thought would great idea build gas job prevent fly-aways accidents controlling model radio What brave lad model airplane club Cleveland intrigued Brown Jr 60 engine just starting produced time Money sale several small Scale models built members club al lowed us purchase engines agreed club member would allowed use Brown short period time during year So designed built RC-1 7-ft-span cabin model waited turn use engine Brown Jr became available club fall 1934 could hardly wait get RC-l air Flying tests proved model very capable flying machine would climb steadily under power glide stable slow idea get model trimmed out bugs worked out before installing radio building models 10 yearsmostly rubber-pow ered Free Flight Scale Free Flight contest types what would now call Wakefield RC-1 provided good opportunity learn what Id need know further attempts produce successful flying controllable model indeed good starting point RC picture bleak 1934 did know anyone building built RC unit gas-powered model airplane fact some fellow mod elers considered bit unusual brought up subject Radio control equipment just did exist must remember gas-powered models flying about two years some very heavy radio equipment used control model boats lightplanes during WW amateur RC hobby composed few isolated experimenters using makeshift equipment produce successful models guided radio no minia ture components lightweight units avail able Parts radios extremely heavy Lightweight batteries werent availAntenna 3 V ignition battery Tuning coil 8 4j%condensor F Coherer-Glass tube 3 long filled mixture iron 8 silver file ings * gRudder actuator relay Clapper arm Airplane rudder tab Return spring Cable drive Rudder set right turn signal. left turn no signal COHERER TYPE RECEIVING UNIT able either receivers used filament high voltage plate bias batteries Most tubes being used high-drain fila ment type Beginnings model design design stems full-size cabin air planes flying could point design influential low throttle power landing stoogina viewed abovearound 2climbing turns tOaltitudeg-9l elongated fig 8stake off direction S turns looseitouch down oltitude 360 turns quicker losslanding Strip METHOD FOR LOOSING ALTITUDE FOR SMALL FIELD POWER-ON LANDINGS prepare landing alt 4A take offactivity I thermal landing strip METHOD USED FOR DEAD STICK LANDING ENGINE CUT OFF December 1986 109 LeT Hucky waiters prepares nis -n RC-1 ignition Orwick 60 version uses both flippers paper covered wed guess silkspan Chet says modern glow 45 can sustain near vertical climb aftertakeoff Right Tom McCoys lovely RC-1 famous among OldTimer fliers Lanzo saying Toms workmanship awes him ignition Super Cyke Toms 1000 sq bird has spectacular climb would greatest gas modeler time Maxwell Bassett RC-1 corporates lot 1933 cabin model design wingspan RC- 1 dictated 3-ft length balsa hand didnt like splice spars leading trailing edgesmade weakso used 3-ft tips added 1-ft center section give 7-ft span must have influenced other models mod elers some memories old times crystal clear others about 50 years old plans call silk covering make model durable long-lasting present-day RC original covered bamboo paper looked like blotting paper given three four coats heavy nitrate dope Butyrate available made tough inexpensive covering used silk could afford nitrate dope some what fuel-proof gas oil reason used black-pigmented nitrate dope front end engine compart ment Lacking bamboo paper wanted make tail sections lighter would use Japanese tissue double covering grain tissue cross ing right angles discourage puncture tears model RC-l design similar rubber-powered cabin-type models flying 1934 design philosophy time dictated airplanes have cowling over engine mess model cabin windshield windows side wing simple rectangle rounded tips conventional rudder elevator complete design -in-sq diagonals fuselage rigidity really necessary modem-day RC used Ambroid ce ment red-colored stuff also made homemade cement acetone cellu loid thought could eliminate heavy electrical equipment vacuum tubes batteries transformers relays would stand chance successful oper ation other words hoped simplify receiving end equipment thereby eliminate great deal weight coherer-type receiver its asso ciated spark-gap transmitter seemed fit requirements very satisfactorily simply detector relay-actuator combined engine ignition system bat teries power unit airborne equipment complete receiver turned out weigh less 8 oz transmitter simplicity itself Ford Model T spark coil 1923 vintage key pulse signal 6V auto storage battery made up bulk transmitter course also antenna tuned coil system Early radio tests RC- 1 very NQI COWL OPTIONAL LIFTS FROM FRONT & HINGED REAR ENGINE SET AT5T06 DOWNTHRIJGT rRIGHT REAR SPARFRONT SPAR NGTE REEF-SF SF REAR SPAR MIGHT NOT BE NEEDEDIo 0011 Inc colI 1THE RO-ONE I DESIGNED BY CHESTER D LANZO 11WINGSPANB4 INSWING AREAIOIO SQ INS 1POWER BROWN JR I/S HP 14 IN PROP 1iCOVERING SILK RED DOPE WITH BLACK TRIM 1 F 1 NI CA AT 43 TO 50% OF WINS CHORD FROM LE I__ WEIGHT GA OZG 4STAB Gin SCALE IN INCHESVSDOWELGLGNA 01 2 34 DRR10 1216DO24 RQIEFDRELEVATORCDNTRGL ____________________________________________________________[v32][b192130729400]]HINGE AS SAGAN 10 OaII 110 Model Aviation stable both powered flight glide Small movements rudder trimming would give nice large circle right left discovered model could handle additional eight receiver quite well built radio equipment bench-tested looked coherer receiver system viable method radio control although took lot fiddling fussing just get relay close stay closed eliminated gears motors devised very simple rudder control sys Continued page 182 THIS 1934 7 FREE FLIGHT DESIGN WAS ALSO FLOWN RC 4 ESIGN TAILORED HELICAL PITCH DEVELOPEOTOGIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALLTHELATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW DIAPITCH THP 1266778 136778 146778 1567 16678 PRICE 299 379 479 889 989 NEW PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10T020%INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCHPRICE 53/i34149 634149 72833456179 8334568189 845667199 9456677199 1045667209 106W8W209 106EW219 114677778229 115W229 11BEW239 1167239 124W279 125W279 1256279 1356349 1456459 1556659 164N969 16678969 RC PYLON RACING SERIES 500 DIA PITCH PRICE 7SN 5/N279 8I 677/8 299 SERIES 4000 86/s6777289 9777289 W WIDE BLADE EW EXTRA WIDE M MADAW Now available. either aluminum brass must epoxied place freewheel notch can cut file razor saw drive dog slips over back propeller engages blades glued propeller thus complies un modified prop rule Trimming flying Cyrano easy model trim trimming tech nique little unusual Work glide first mythical tall grass available use test glide over use softest substitute possible adjust ment available trim glide pitch CG Since no tail cannot change incidence advantage tail warps incidence cannot change ruin trim model glide adjusted adding clay nose model stalls tail glides too nose-down Turn can set small rudder tab trailing edge pylon sufficient small drag tab wing tip can also used Cyrano flies left-left pattern attempt fly right will spiral time Set power turn adjusting thrust line have found small amount left thrust usually re quired get good tight stall-free climb get left thrust either place shim under right side tail block sand away little left side fuselage tail block rests small amount downthrust may necessary control power stalling Cyrano wound hooking onto wire loop nose winder holder restrains model propeller Make absolutely sure freewheel notch has engaged propeller shaft before start winding holder will treated shaft run fingers will never forget Start text flights low power work up slowly maximum winds motor Cyrano 10-gram loop -in FAI rubber important weigh motors flying Cyrano Changing motor weight will change pitch trim airplane said before tailless models quite sensitive CG shifts Cymano easy model build has contest-winning performance worth building just watch ex pressions disbelief peoples faces cruises overhead Flying wings com petitive Try RC-1 /Lanzo-Winter Continued page 110 tem rewinding electromagnet Ford cut-out relay used com bination relay rudder operator placed extended arm clapper linked rudder two control strings control gave right turn against torque actuated left turn no signal no neutral equipment mounted plane engine nmning range very shortless 100 ft problem models ignition coil acting transmitter swamping signal ground-based transmitter Too bad glow plug engines available would say RC-1 should have considered successful RC model 1934 1935 tremendous success Free Flight model oould carry additional weight receivera quality contemporary models still aim flew RC-l local flying field never entered large contests retired after bad crackup should noted radio equipment shown nostalgic project useful RC setup coherer system works key transmitter pressed down sparking coil energized sends out continuous series sparks across spark gap resulting undamped electromag netic waves imposed across tuning coil oondenser tuned frequency waves sent out over air waves antenna antenna mounted model re ceives transmitted radio waves impressed tuning coil condenser also two end caps coherer coherer tube loosely filled about 50-5 0 mixture iron silver filings frequency signal impressed iron filings become magnetized stick together action also squeezes dispersed silver filings together decreases resistance across tube ends causing electrical current flow through ac tuatorContinued page 184 182 Model Aviation THE LEADER IN COM PETITION PROPELLERS ThE WORLDS VINTAGE SAILPLANES 1908-45 Martin Simons Hard hound 176 pages quality paper 248 beautiful black white photos plus 65 color plates nearly 100 finely detailed scale drawings magnifi cent collection rare information classic old-timers SPECIAL CONCESSION OFFER FROM THE PUBLISHER ONLY avail able readers send us 2 International Reply Coupons Ask Post Office will airmail free color brochure price details tell order write now KOOKADURRA TECHNICAL PUBLICATIONS Pty Ltd P0 Box 648 DandenonE 3175 Victoria Australia h -U I ri J actuator arm pulls giving rudder left run key released no signal being sent vibration Brown Jr engine transmitted coherer mounted engine firewall iron filings shaken loose way actuator circuit broken clearing system signal can received As can see receiver would operate engine running producing vibration necessary decohere receiver device similar doorbell ringer could have used rejected because weight Readers probably will recognize radio used early days wireless telegraphy before vacuum-type tube came use Modem-day kids prob ably dont know what vacuum tube either rudder actuator system described typical gear used nor used others couple years later what thought would workable unit time prove myself built another 1 2-ft-span model after RC-1 followed 9-ft-span sticktype plane hangs AMA Mu seum Reston VA None equip ment museum model similar what used RC- 1 am collecting some old type-30 tubes other RC equipment build duplicate receiver transmitter museum model does have proper receiver now Construction notes construction techniques shown plan OK Free Flight version building RC- 1 Radio Control may get heavy stunt loads wings suggest adding n spruce spars existing spars beef up increased stress Fuselage The conventional method stick construction fuselage has used numerous Old-Timer models looks flimsy difficult actually type construction incredibly strong its weight requires small amount experience building stickand-paper-type airplanes RG- 1 can successfully towed up 1000 ft using standard tow winch towline same manner modem Sailplane models Attach tow hook under belly airplane Use -inthick plywood insert fit inside body longerons crosspieces tow hook can made out simple bent-screw hook like cup hanger Install -in-sq hardwood reinforcing crosspieces hook inside fuselage hook should positioned about ard center gravity CG location CG incidentally should about one-third wing chord leading edge towline has parachute attached sure make inoperative wrapping rubber around Better yet remove chute entirely may easily caught landing gear happens flier will lot anxious con trolling trying bring model landing precaution take launching tow go easy power switch Small short pulses will job Watch upper surface model towed upward first few flights Wrinkling covering near dihedral joints will indicate over-stressing wing point must let up winch power switch prevent wing col lapse would recommend use ruce reinforcing spars wing intend winch-launching RC- 1 Remove prop place spinner shaft safety Ive made flights five minutes RC- 1 towed good weather Try Youll like Setting up RC- 1 flying Never fly downwind gliding Youll drift farther downwind tension will build open way mistakes model will eventually disappear leamed early days RC equipment unpredictable unreliable Gliding up wind can make kinds mistakes model will eventually drift right back you get model down its caught powerful thermal have no flaps spoilers dive brakes RC model best way get out rising currents air spin down stalled tum sure have plenty up elevator 1 50—and plenty rudder throw put spin pull back full stick full up elevator about two seconds later apply full left rudder will result tight left spin like put rudder elevator control righthand side transmitter controls throttle left attitude plane will spin down very nicely creasing its downward speed problem trying dive out large thermal giving down elevator speed will build up incredibly causing shredding wing tail producing high-speed flutter also possible snap wing pulling out high-speed dive no matter gently pull back stick practice stalled spin maneuver much possible youre under non-thermal conditions spin maneuver also very good youre caught cloud model disappears fluffy stuff Put stalled tum hold breath pretty soon will see model re appear can bring down safe altitude Heres way find elusive thermals RC-l youre glide Picture mind hot-air balloon floating air Its about 200 300 ft diameter about 500 ft high basket about 100 ft off ground balloon represents good-sized thermal its rising expanding same time have penetrate big column air has tough outer layer youll need hit head-on model will tend bounce off its tough hide deflected off side Watch RC-l very carefully will tell thermal Fly model straight ahead hands off controls notice model starting rise already thermal good changes course either right left tum back thermal until have penetrated Once inside thermal circle right left 50-ft circles same time applying small amount up trim elevator Just watch 184 Model Aviation NEW FOR 1987 CYCLONE SUPER 65 CLASSIC IGNITION ENGINES BIG BORE 647 CU IN DISPL Factory tested ready run md Display Box Coil Cond Lead Plug Owners Manual Parts List Cowl Decals Price $19950 plus $5 ship Credit price 21500 includes shipping MasterCard/Visa welcome ORDER NOW early delivery SUPER CYCLONE ENGINFS Box 26390 Phoenix Arizona 85068 602 870-3342 auto ans Dealers & Distributors Welcomed Phone 703 273-9593 FLYLINE MODELS INC PO Bex 2136 Peirfax VirgInia 22031 USA model climbs away its own seem get greatest pleasure out RC-l glide looking thermals Soar ing about silent flight idea ultimate RC flying Flying instructions Run engine bench good half hour until will start couple flips prop Work out a11 bugs install engine plane Check center gravity coincides position shown plans sport flying CG can moved forward 33% position one-third chord leading edge wing position will give stable setup beginning flier rearward position shown draw ings will give little less sinking speed small sacrifice longitudinal sta bility first test flight best made day sunny warm no wind light steady breeze like fly afternoon 4 pm until sundown wind down hot-rod fliers have left flying site enjoy being alonejust modelbut safety its best have someone along Adjust engine very low idle just enough pull move model over grass field Taxi around landing strip about two tanks gas get feel model controls Set model down middle takeoff area facing wind apply one-eighth one-quarter throttle model will taxi about 20 ft beoome airborne RC-1 should climb slowly steadily one-quarter throttle just relax enjoy ship gently climbs turns direction should fly straight level controls neutral lowest throttle setting can found engine large elevator area RC-1 almost impossible stall glide under low power easiest way land power shut off Bring model over landing strip downwind side about 20 ft altitude cut throttle model will glide using up 50 100 ft strip settle grass Just before touch down give tap up elevator true three-point semi-stalled landing Power-on landings low throttle can made just easily small amount down trim elevator RC-1 very gentle stable model under low throttle very difficult get trouble full throttle model becomes very active fast Hold rudder give full throttle let er go shell hop off ground 5 10 ft start climbing Add small amount down elevator near-vertical climb will continue until model almost Out sight 45 seconds engine run number ways RC- 1 may flown see sketches Climb 900 ft throttle back engine near idle anl bit right trim rudder RC-l will float around large circleshands off wouldnt hate bring down out graceful near zeropowered glide RC- 1 constructed shown slow-flying predictable sport-type model has flown Old-Timer compe K 5 titions suited Texaco Antique classes SAM events also does well limited-engine-run classes dont fly RC-1 Pattern events have lot fun trying beat modem RC models fun-fly event held local club Valley City RC Club Powered glow 45 engine RC-l takes off full-throttle nearvertical climb spectators gasp course nothing like flying done 1934 Since Chet has about 800 plans RC-1and because much interest arising its discovery magazine service will supply plans detailed full-size plans available $800 postage paid Chet Lanzo 1485 Lester Rd Valley City OH 44280 Tom McCoys mods RC-l Since McCoy specializes high-performance SAM FF-RC Assist evolved changes suit requirements pertaining wing construction have special significance sport RC fliers may indulge simple aerobatics use machine power winch Lanzo described JUST EW I4ORE FLIGRTS ACE AND ThEN ILL LET YOU FLY ER December 1986 185 Classic R/CSaleLAK5 TN D Wing 15 25 Engines ADVERTISERS INDEX 1 AMA Checks AMA Membershin AMA Mortgage Academy Aviatu Ace Radio Control Aero Plans N Aerodrome Models Airtronics American Jr Right Quay Barber Models Beer Can Bombers Bell Rock Industries Blue Ridge Machinery Brechin Enterprises Byron ariginals CH Electronics RC Products nell Tools Co elis Custom Kits Engine Imports aTaffinder sburn Mfg Hobbies Model Supply Elect ners Guide e Hobbies Designs Systems Corp. Diesel Developm Hobby Shop Products Inc ist Props Design Corp Supply Inc Master Aodels cale Models oducts Corp Amen n Products following quoted McCoys des cription As know RC- 1 rudderonly Free Flight model lot changes version begin SERS ometr irl Gc Golden Gorhai odels del Mfg nited ft Sons ion rn ay v lnternati ods Model Inc.. Sales Inc. J Sales . s Models Jolly Model Technical F raftsmanship Lind Co Models ucts Model Airplanes niel RC Service. sers Quality Model Mark o Model Engineering oX Expo Magic Products Rectifier Corp s Hobbies Products Inc. cts chnology ie Ent lymers Enterprises hinged stab second spar obvious elevator/stab break leading edge elevator elevator very large must moved very small arc model devil under power X ADVER n International Che n Valley Hobby Ce Products s Hobby cesion Built Models nress Mfg Co. ne Corp Digest ign Research stries South Tech International llsport y TG Industries e City Model Research Plans Photo RC Snap rock Competition Imp ns Hobby Shop Mfg Co Smith Industries Kraft Products Cyclone Engines Sweitzen Research Associ Products Co id Thompson RC Conft Rite Models Hobbies. Turn Engineei E Technical S indit Mfg Brothers Model Propeller Mfg Co Engines y Mfg Inc Aviation Marketing b solution dual rates works great dont have dual-rate radio careful move elevator /2 up down pushrod 3/6-rn sq carbon fiber reinforcement 186Model Aviation No 535 Atrix$725 RC Class D Sailplane spans 110 4-ch RC No 536 Cyrano II$325 FF P-30 Rubber flying wing canard spans 28 No 537 Cessna 206 Caravan$300 CL Sport Scale 02 electric power spans 37 U aD 0 CJ - eg 0 U0 -0 c3 stun 0 0 zao 0 000 0 r U 5 woo 2en So CU 0 5 j3 00 0 00 U 0 e 0 O5r C 0 U V 000 0 00 U 0 0 U U 0 mc 4 J 0 U 05 CITY N 00 l1 Stiletto CL Stunt model lMcOonaldl winnm 1976 1980 1982 PAl World Champs$375 BIoo Birds SC Ken Willards formation pIerre 4-cfranoel 10/15 power$375 Croshmostor Cf Crash-proof trainer two sizest 5/30 35/40 power$125 Mini P-lU SC Sarpolus 049 docted-fan sport flier 2-channel Balsa wings tail fone structure$275 1930 FloeS Bituloon SC Sport Scale 35/40 4-channel Wingspan 50 0 /n scale Twn sheets$625 Drake II SC Ken Willards flying hoot 3-chanwi 15-power fly land wdh remonahle gear5375 Toylor Cob SC Don Srulls Schoolyard-Scale 049s 2-3 channel Spans SOin6350 Zophyr SC Small 2-channel glider fun hand-launch tow thermal slope soaring$200 tenor 200 SC Sport Scale replica nf championship Aerohatic flier Uses 40 power 4-5 channel Two sheets91075 Bloctric Sparky C Electric-powered fun flier 05 mntor 3-channel SC scaled-up 1939 ruhher-power fanorite$050 Croinor PP Emhryo Endurance rohherpower fun ship has hig-model characteristics$200 Canolior SC Old-Timer-like now design has huge wing fnr easy flights 35 power 3 channels Two sheets91725 Firelseit SC Pusher canard spnrn/pa0ert 0000 40 puoher engine 4-channel Has swept-forward fnam wings$050 Mine Amonica SC Old-Timer Teoeco model 049 glow 2-channelsS050 Swoon P-30 PP Neat stickand-tissue Outdoor Sohher P-30-cless model contest-winner9200 Spoctra SC Electricpower 05size motor uses 3 different wings sport soaring aerohatics6700 4-40 SC Shoulder-wing sport flier 4-cycle 40-size engine 4 channels6050 Bloc Moe Ii BC Fun-fly oportnter 40-size engines spans 52 Lightweight structure$700 Stroker SC Mid-wing opnrtster uses 40/45 four-stroke engine opens Soyfi tail-dragger$650 Bottorcop SC Cute elfin sportster uses micro 2-ch SC pulse-rudder Spans 21 020/035 power$300 Weekender SC Low-wing spud flier 20-tize 4-stroke engine spans 47 in$575 4-SO SC Soc Mathews great sport flier 00-size four-stroker engine spans 70 Two sheets$t275 Fnkkor DVIII SC Sport Scale model WW f monoplane uses 90 four-stroke engine spans 03 Two sheets61000 Bill Wintors Vagabond PP Sport flier down-sized 02-powered aersion 1940s cehin plane Spans 33 in$225 Buzzkot SC Slopesoarer spans 60 in. uses 2 SC channels$750 P-38 Lightolog CL Sport Scale fighter spans 65 weigho 10 lh user twin 35s Two sheets$1175 Playnsoto SC Sport flier fur 3 SC channels t5/25-size engines spans 50 in$650 ltummiobird PP Hot cleos A/B competition plane own 05 Nets$750 0-258 CL Profile scale WW humher twin engines spans 30 in$400 Ronene 18 PP Hand-Launched Slider features cursed 10-in wing ItT$150 Stoospor PP Hand-Launched Slider has angular 10-in wing OT9150 F-iS CL profile scale fighter spaes 17 has tricycle landing gear$200 Entre 230 SC Giant Scale acrohatic plane spano 0 ft uses Ouadra engine Two plan sheets$1650 Block Beauty SC Slop-snaring racer has foam wing 3-ch SC spaes 114 in$750 Honey T SC Spoetnfer 2-3 channel SC spans 52 has adiustahle wing flaps$475 Weotleoti Whirlwind SC Sport Scele WW II twin-engined fighter fur 10-size engines spans 55 Two plan sheets$1150 Envoy CL Stunter 40/46 power spans 50 in$675 Poke Fnrd SC Sperteter three engines 3-ch SC Spans 50 Two plan sheets$575 Project P-13 PP Scale German WW II flyino wing pusher/tractor mhher power spans 26 in$325 Gee Bno S-i CL Profile sport flier fur 25 engines spans 36 in$475 Flight Aneingant Wheeled flight hoo carries lots Two plan sheets$11 SIt ComeS Jr Clipper Plus 30% SC Old-Timer oportoter engine 2-ch SC spans 48 in$650 Bonn Petto SC Semmnder-scale hipe 40180 engines spans 43 Two plae sheets$1050 Dowowolker PP Superlight Onlimited/Mulnihill ruhher-pnwered competition plane spans 42 in$400 Teocs Rat CL Another mggnd nersion Midwest Sport Sacer 40 engines spans 24 in$275 Hi-Tuck 2002 SC Caeand dusted-fan 45 engines spans 39 Two sheets$1000 KiSi Hem CL Mustly-cwdhnard spurt-scale WW II Japanese fighter foe 40 wgine spans 60 Two plan sheets$1150 Mios RJ SC World Champine FAI Pylon Sacer 40 neginos spaes 51 in$550 Swallow SC Lightweight hotdogger 40-size four-stroke negines spans 50 er$825 POY Catalina PP Skinny Scale Im two CO-2 motors Spans 32 AII-sheet-halsa constmctiun$325 Toonansi CL Profile scale spans 2t inches Allsheet-helen consterstern$225 Terrible Coupe PP Suhher-power Coupe dHiner spans 40 in$475 Boky Bird CL Tiny Stanter uses 049 diesel glow spew 34 in. has flaps$400 Ceosoa C-37 SC Schoolyard Scaler 1930s pIerre fnr 049/1 0 power 2-ch spans 42 in$500 1038 Challenger SC Texaco Old-Timer spans 47 Pun 049 engine 2-ch SC$550 Circle numbers plans wish order 193 332 454 499 508 515 522 529 239 386 457 500 509 516 523 530 262 414 460 502 510 517 524 531 302 438 465 503 511 518 525 532 310 440 470 505 512 519 526 533 314 444 478 506 513 520 527 534 326 447 490 507 514 521 528 535 536537 Plan price Includes firoS class postage tar US delivery IS Air Mail over 300 miies orders Bulside lbs US please add $250 Air Mail $125 surfaCe mail I Make check mocey order payable US funds Model Aviation CIO AMA 1810 Samuel Morse Dr RBsfon VA 22090 Please allow 3 6 weeks delivery Please print carefully Enclosed $ STREET STATE ZIP could use -in sq hard well model has short nose must keep tail light radio gear far forward possible model uses ignition Super Cyclone 60 ignition battery coil mounted up front helps servos mounted piece t/06 ply n balsa under-structure setup adds structural strength cabin area three servos rudder throttle elevator throttle miniature plastic bat handle switch hole drilled through handle pushrod wire use two solder grommets adjust proper throws two chargingjacks tray radio battery other ignition bat tery bent Vs wire hooks epoxied onto floor model use large rubberbands looped around wing pegs hold receiver batteries Ive using Otto Burnharts transistorized igni tion setup product No 77 markets about $25 drive unit two sub-C Ni-Cds requires no booster battery have ignition power need setup adds up 3-oz battery pack 1-oz coil ignition module pretty light trouble-free wing can problem suggest spars reinforced cut sizes down ed spars Y06 spruce top bottom think carbon fiber would super area would highly recommend area landing gear used 1 x -in plywood across fuselage both front back used rear brace pivot point landing gear nylon landing gear straps Goldberg 4-40 bolts blind nuts inside gear rests -in notch front used Yt dowel wrap rubberbands around creating swing-back gear very rugged original model showed Brown Jr engine fully cowled Ive used Super Cyclone much larger gives super climb 55-second engine run can climb model almost out sight opted replace cowl own half cowla hollow rear engine fairing makes clean design kept opening around engine tight clean could make Chet says likes cowl arrangement helps clean up nose thinks RC- 1 models built havent cowls Another suggestion put h-in plastic tube tail model under stab will used weight box adding removing lead shot can move CG around until get model balanced way want Nice able move CG forward windy day just removing weight model covered silk dope very strong weight Gen erally would suggest fabric coverings structure very light must stressed-skin covering feel whole structure would have beefed up 188 Model Aviation No 193 No 239 No 262 No 302 No 310 No 314 No 326 No 332 No 306 No 414 No 430 No 440 No 444 No 441 No 454 No 451 No 460 No 465 No 410 No 478 No 400 No 400 No 500 No 502 No 503 No 505 No 506 No 501 No 508 No 509 No 510 No 511 No 512 No 513 No 514 No 515 No 516 No 511 No 518 No 519 No 520 No 521 No 522 No 523 No 524 No 525 No 526 No 527 No 528 No 520 No 530 No 531 No 532 No 533 No 534
Edition: Model Aviation - 1986/12
Page Numbers: 106, 107, 108, 109, 110, 182, 184, 185, 186, 188
NO OCR TEXT Opposite page top Coming spot landing under radio control Chats own RC-1 settles like graceful bird 1934 year its birth such photo would have nearly impossible Nothing landed nearby including RC models nationwide could numbered fingers hand RC-1 SAM-approved Antique FP Opposite page bottom few seconds later Chet finishes slight S just prior two-wheel landing walk after session dead-stick soaring Above Coming after 5-mm soaring flight Chet removes propengine ballastand launches standard winch Youll find some fascinating techniques text cluding slight mods teacup hanger hook Chet watches wrinkles covering during launch eases off necessary Says might wish add auxIliary spar Lanzos co-author says has enough trouble just seeing plane flight much less wrinkles WHEN CHET LANZO WAS 20 half century ago created remarkably simple functional grace ful gas model superb flying ability contemporary famed Bassett designs KG Kovel-Orant published MAN 1 930s fact two designs Lanzos spiration attempted develop gas model own objective radiocontrolled flight name RC-l testi fies Sometime around 1934 story about Chet historic craft appeared Cleveland Press along excellent photo plane its creator newspapers lead-in read high-wing cabin monoplane 7-ft spread powThis flyby shows RC-1 elevatoron right Its enough though Chet notes model requiresvery little elevatorto responsive Modern-day spinner used starting ease ered gasoline engine capable 50 mph equipped radio controls may operated ground ambitious model airplane project de veloped Chester Lanzo Junior Aviator National Air Races article went relate Chet interested models 10 years already flown two large models recalled experience craft shops East End neighborhood house graduation East Technical High Chet begins takeoff roll RC-1 Covering red-colored silk black trim using butyrate dope Cutoff Important feature use glow set up carb throttle barrel cuts off air kills engine transmitter trim moved full idle December 1986 107 Left The ignition SuperCyclone installed Tom McCoys RC-1 McCoys own hand-carved 13 x4 based HA ThomasAir Trails article 19509 Note attachment rubbershock band landing gearto dowel sideofthe nose cheek Right Detailsof wire gear Thinner cross wires prevent splaying Cross section front one-piece leg free move down back restrained rubberband shocks both sides rear wire can pivot under three nylon strap fittings provide smooth yet sturdy landings Left Center servo operates ignition Kill switcn Mcloys snip Ball-links attach others square balsa pushroifS Battery pack rubberband-wrapped suspended front hold-down dowel two loops band Right Clevis rods have unthread end joined wire pushrod extensions via soldering connectors Stab airfoil 50%-thick Clark Y CG therefore 45 50% wing chord School studied aeronautical engineering peers abroad consider Chet worlds finest modelers achievements monumental know Chet will disapprove last two sen tences because self-effacing style humble guybut necessary say order account out-ofthe-blue events unfold below Lanzos 1937 Nats-winning RC seem ingly step backward configu ration forgotten 1934 plane display AMA Museum follows ancient Lanzo tradition stick-type wire cabane polyhedral Free Flights employed successfully RC Its primi tive radio now seems like something Ice Age course radio RC-1 never described goes back Dinosaurs Chet will talk about vintage Marconi may make loose words awareness RC- 1 began chance photo deBolt winning model Tom McCoy March 1986 Antenna Interupter Spark gap Model T auto Fordiii sparking coiI~ Tuning coil & 6 volt _con dens storage Signal key SPARK GAP TRANSMITTER issue able include item RC- 1 three-view drawing thanks both Tom Chet overwhelmed Chets invitation write RC- 1 story him feel profoundly honored have organized Chets comments precisely spoke questions understood eliminated permit Chet maximum space RC-1 approved Society Antique Modelers SAM 1982 compete its basic contest events authenticated desigu listed SAM Speaks accepted Antique Chets account 1934 put together RC-l first attempt radio controlling gasolineengine-powered model airplane am bitious project able launch gas model get air good height have reasonable flight return model vicinity launching siteall radio control sounded simple enough proved very substantial goaland easily attained competed rubber-powered events Nationals held Akron OH 108Model Aviation 1934 new ruling contest gas-powered models allowed compete against rubber-powered ones events such Moffet Mulvihill winner Texaco event made longest flight gas-powered model using new ruling limited amount fuel ound model weight Maxwell Bassett Philadelphia 1933 winner retained title flight 21 mm 57 sec Irwin Ohlsson Bill Atwood California See MA October 1986 Atwood flew two large approximately 9-ft-span gas-powered models Atwood designed gas engines both ships few gaspowered models unable climb high enough clear 1 2-story Goodyear dirigible air dock flew building engines running slid down its sides thought would great idea build gas job prevent fly-aways accidents controlling model radio What brave lad model airplane club Cleveland intrigued Brown Jr 60 engine just starting produced time Money sale several small Scale models built members club al lowed us purchase engines agreed club member would allowed use Brown short period time during year So designed built RC-1 7-ft-span cabin model waited turn use engine Brown Jr became available club fall 1934 could hardly wait get RC-l air Flying tests proved model very capable flying machine would climb steadily under power glide stable slow idea get model trimmed out bugs worked out before installing radio building models 10 yearsmostly rubber-pow ered Free Flight Scale Free Flight contest types what would now call Wakefield RC-1 provided good opportunity learn what Id need know further attempts produce successful flying controllable model indeed good starting point RC picture bleak 1934 did know anyone building built RC unit gas-powered model airplane fact some fellow mod elers considered bit unusual brought up subject Radio control equipment just did exist must remember gas-powered models flying about two years some very heavy radio equipment used control model boats lightplanes during WW amateur RC hobby composed few isolated experimenters using makeshift equipment produce successful models guided radio no minia ture components lightweight units avail able Parts radios extremely heavy Lightweight batteries werent availAntenna 3 V ignition battery Tuning coil 8 4j%condensor F Coherer-Glass tube 3 long filled mixture iron 8 silver file ings * gRudder actuator relay Clapper arm Airplane rudder tab Return spring Cable drive Rudder set right turn signal. left turn no signal COHERER TYPE RECEIVING UNIT able either receivers used filament high voltage plate bias batteries Most tubes being used high-drain fila ment type Beginnings model design design stems full-size cabin air planes flying could point design influential low throttle power landing stoogina viewed abovearound 2climbing turns tOaltitudeg-9l elongated fig 8stake off direction S turns looseitouch down oltitude 360 turns quicker losslanding Strip METHOD FOR LOOSING ALTITUDE FOR SMALL FIELD POWER-ON LANDINGS prepare landing alt 4A take offactivity I thermal landing strip METHOD USED FOR DEAD STICK LANDING ENGINE CUT OFF December 1986 109 LeT Hucky waiters prepares nis -n RC-1 ignition Orwick 60 version uses both flippers paper covered wed guess silkspan Chet says modern glow 45 can sustain near vertical climb aftertakeoff Right Tom McCoys lovely RC-1 famous among OldTimer fliers Lanzo saying Toms workmanship awes him ignition Super Cyke Toms 1000 sq bird has spectacular climb would greatest gas modeler time Maxwell Bassett RC-1 corporates lot 1933 cabin model design wingspan RC- 1 dictated 3-ft length balsa hand didnt like splice spars leading trailing edgesmade weakso used 3-ft tips added 1-ft center section give 7-ft span must have influenced other models mod elers some memories old times crystal clear others about 50 years old plans call silk covering make model durable long-lasting present-day RC original covered bamboo paper looked like blotting paper given three four coats heavy nitrate dope Butyrate available made tough inexpensive covering used silk could afford nitrate dope some what fuel-proof gas oil reason used black-pigmented nitrate dope front end engine compart ment Lacking bamboo paper wanted make tail sections lighter would use Japanese tissue double covering grain tissue cross ing right angles discourage puncture tears model RC-l design similar rubber-powered cabin-type models flying 1934 design philosophy time dictated airplanes have cowling over engine mess model cabin windshield windows side wing simple rectangle rounded tips conventional rudder elevator complete design -in-sq diagonals fuselage rigidity really necessary modem-day RC used Ambroid ce ment red-colored stuff also made homemade cement acetone cellu loid thought could eliminate heavy electrical equipment vacuum tubes batteries transformers relays would stand chance successful oper ation other words hoped simplify receiving end equipment thereby eliminate great deal weight coherer-type receiver its asso ciated spark-gap transmitter seemed fit requirements very satisfactorily simply detector relay-actuator combined engine ignition system bat teries power unit airborne equipment complete receiver turned out weigh less 8 oz transmitter simplicity itself Ford Model T spark coil 1923 vintage key pulse signal 6V auto storage battery made up bulk transmitter course also antenna tuned coil system Early radio tests RC- 1 very NQI COWL OPTIONAL LIFTS FROM FRONT & HINGED REAR ENGINE SET AT5T06 DOWNTHRIJGT rRIGHT REAR SPARFRONT SPAR NGTE REEF-SF SF REAR SPAR MIGHT NOT BE NEEDEDIo 0011 Inc colI 1THE RO-ONE I DESIGNED BY CHESTER D LANZO 11WINGSPANB4 INSWING AREAIOIO SQ INS 1POWER BROWN JR I/S HP 14 IN PROP 1iCOVERING SILK RED DOPE WITH BLACK TRIM 1 F 1 NI CA AT 43 TO 50% OF WINS CHORD FROM LE I__ WEIGHT GA OZG 4STAB Gin SCALE IN INCHESVSDOWELGLGNA 01 2 34 DRR10 1216DO24 RQIEFDRELEVATORCDNTRGL ____________________________________________________________[v32][b192130729400]]HINGE AS SAGAN 10 OaII 110 Model Aviation stable both powered flight glide Small movements rudder trimming would give nice large circle right left discovered model could handle additional eight receiver quite well built radio equipment bench-tested looked coherer receiver system viable method radio control although took lot fiddling fussing just get relay close stay closed eliminated gears motors devised very simple rudder control sys Continued page 182 THIS 1934 7 FREE FLIGHT DESIGN WAS ALSO FLOWN RC 4 ESIGN TAILORED HELICAL PITCH DEVELOPEOTOGIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALLTHELATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW DIAPITCH THP 1266778 136778 146778 1567 16678 PRICE 299 379 479 889 989 NEW PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10T020%INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCHPRICE 53/i34149 634149 72833456179 8334568189 845667199 9456677199 1045667209 106W8W209 106EW219 114677778229 115W229 11BEW239 1167239 124W279 125W279 1256279 1356349 1456459 1556659 164N969 16678969 RC PYLON RACING SERIES 500 DIA PITCH PRICE 7SN 5/N279 8I 677/8 299 SERIES 4000 86/s6777289 9777289 W WIDE BLADE EW EXTRA WIDE M MADAW Now available. either aluminum brass must epoxied place freewheel notch can cut file razor saw drive dog slips over back propeller engages blades glued propeller thus complies un modified prop rule Trimming flying Cyrano easy model trim trimming tech nique little unusual Work glide first mythical tall grass available use test glide over use softest substitute possible adjust ment available trim glide pitch CG Since no tail cannot change incidence advantage tail warps incidence cannot change ruin trim model glide adjusted adding clay nose model stalls tail glides too nose-down Turn can set small rudder tab trailing edge pylon sufficient small drag tab wing tip can also used Cyrano flies left-left pattern attempt fly right will spiral time Set power turn adjusting thrust line have found small amount left thrust usually re quired get good tight stall-free climb get left thrust either place shim under right side tail block sand away little left side fuselage tail block rests small amount downthrust may necessary control power stalling Cyrano wound hooking onto wire loop nose winder holder restrains model propeller Make absolutely sure freewheel notch has engaged propeller shaft before start winding holder will treated shaft run fingers will never forget Start text flights low power work up slowly maximum winds motor Cyrano 10-gram loop -in FAI rubber important weigh motors flying Cyrano Changing motor weight will change pitch trim airplane said before tailless models quite sensitive CG shifts Cymano easy model build has contest-winning performance worth building just watch ex pressions disbelief peoples faces cruises overhead Flying wings com petitive Try RC-1 /Lanzo-Winter Continued page 110 tem rewinding electromagnet Ford cut-out relay used com bination relay rudder operator placed extended arm clapper linked rudder two control strings control gave right turn against torque actuated left turn no signal no neutral equipment mounted plane engine nmning range very shortless 100 ft problem models ignition coil acting transmitter swamping signal ground-based transmitter Too bad glow plug engines available would say RC-1 should have considered successful RC model 1934 1935 tremendous success Free Flight model oould carry additional weight receivera quality contemporary models still aim flew RC-l local flying field never entered large contests retired after bad crackup should noted radio equipment shown nostalgic project useful RC setup coherer system works key transmitter pressed down sparking coil energized sends out continuous series sparks across spark gap resulting undamped electromag netic waves imposed across tuning coil oondenser tuned frequency waves sent out over air waves antenna antenna mounted model re ceives transmitted radio waves impressed tuning coil condenser also two end caps coherer coherer tube loosely filled about 50-5 0 mixture iron silver filings frequency signal impressed iron filings become magnetized stick together action also squeezes dispersed silver filings together decreases resistance across tube ends causing electrical current flow through ac tuatorContinued page 184 182 Model Aviation THE LEADER IN COM PETITION PROPELLERS ThE WORLDS VINTAGE SAILPLANES 1908-45 Martin Simons Hard hound 176 pages quality paper 248 beautiful black white photos plus 65 color plates nearly 100 finely detailed scale drawings magnifi cent collection rare information classic old-timers SPECIAL CONCESSION OFFER FROM THE PUBLISHER ONLY avail able readers send us 2 International Reply Coupons Ask Post Office will airmail free color brochure price details tell order write now KOOKADURRA TECHNICAL PUBLICATIONS Pty Ltd P0 Box 648 DandenonE 3175 Victoria Australia h -U I ri J actuator arm pulls giving rudder left run key released no signal being sent vibration Brown Jr engine transmitted coherer mounted engine firewall iron filings shaken loose way actuator circuit broken clearing system signal can received As can see receiver would operate engine running producing vibration necessary decohere receiver device similar doorbell ringer could have used rejected because weight Readers probably will recognize radio used early days wireless telegraphy before vacuum-type tube came use Modem-day kids prob ably dont know what vacuum tube either rudder actuator system described typical gear used nor used others couple years later what thought would workable unit time prove myself built another 1 2-ft-span model after RC-1 followed 9-ft-span sticktype plane hangs AMA Mu seum Reston VA None equip ment museum model similar what used RC- 1 am collecting some old type-30 tubes other RC equipment build duplicate receiver transmitter museum model does have proper receiver now Construction notes construction techniques shown plan OK Free Flight version building RC- 1 Radio Control may get heavy stunt loads wings suggest adding n spruce spars existing spars beef up increased stress Fuselage The conventional method stick construction fuselage has used numerous Old-Timer models looks flimsy difficult actually type construction incredibly strong its weight requires small amount experience building stickand-paper-type airplanes RG- 1 can successfully towed up 1000 ft using standard tow winch towline same manner modem Sailplane models Attach tow hook under belly airplane Use -inthick plywood insert fit inside body longerons crosspieces tow hook can made out simple bent-screw hook like cup hanger Install -in-sq hardwood reinforcing crosspieces hook inside fuselage hook should positioned about ard center gravity CG location CG incidentally should about one-third wing chord leading edge towline has parachute attached sure make inoperative wrapping rubber around Better yet remove chute entirely may easily caught landing gear happens flier will lot anxious con trolling trying bring model landing precaution take launching tow go easy power switch Small short pulses will job Watch upper surface model towed upward first few flights Wrinkling covering near dihedral joints will indicate over-stressing wing point must let up winch power switch prevent wing col lapse would recommend use ruce reinforcing spars wing intend winch-launching RC- 1 Remove prop place spinner shaft safety Ive made flights five minutes RC- 1 towed good weather Try Youll like Setting up RC- 1 flying Never fly downwind gliding Youll drift farther downwind tension will build open way mistakes model will eventually disappear leamed early days RC equipment unpredictable unreliable Gliding up wind can make kinds mistakes model will eventually drift right back you get model down its caught powerful thermal have no flaps spoilers dive brakes RC model best way get out rising currents air spin down stalled tum sure have plenty up elevator 1 50—and plenty rudder throw put spin pull back full stick full up elevator about two seconds later apply full left rudder will result tight left spin like put rudder elevator control righthand side transmitter controls throttle left attitude plane will spin down very nicely creasing its downward speed problem trying dive out large thermal giving down elevator speed will build up incredibly causing shredding wing tail producing high-speed flutter also possible snap wing pulling out high-speed dive no matter gently pull back stick practice stalled spin maneuver much possible youre under non-thermal conditions spin maneuver also very good youre caught cloud model disappears fluffy stuff Put stalled tum hold breath pretty soon will see model re appear can bring down safe altitude Heres way find elusive thermals RC-l youre glide Picture mind hot-air balloon floating air Its about 200 300 ft diameter about 500 ft high basket about 100 ft off ground balloon represents good-sized thermal its rising expanding same time have penetrate big column air has tough outer layer youll need hit head-on model will tend bounce off its tough hide deflected off side Watch RC-l very carefully will tell thermal Fly model straight ahead hands off controls notice model starting rise already thermal good changes course either right left tum back thermal until have penetrated Once inside thermal circle right left 50-ft circles same time applying small amount up trim elevator Just watch 184 Model Aviation NEW FOR 1987 CYCLONE SUPER 65 CLASSIC IGNITION ENGINES BIG BORE 647 CU IN DISPL Factory tested ready run md Display Box Coil Cond Lead Plug Owners Manual Parts List Cowl Decals Price $19950 plus $5 ship Credit price 21500 includes shipping MasterCard/Visa welcome ORDER NOW early delivery SUPER CYCLONE ENGINFS Box 26390 Phoenix Arizona 85068 602 870-3342 auto ans Dealers & Distributors Welcomed Phone 703 273-9593 FLYLINE MODELS INC PO Bex 2136 Peirfax VirgInia 22031 USA model climbs away its own seem get greatest pleasure out RC-l glide looking thermals Soar ing about silent flight idea ultimate RC flying Flying instructions Run engine bench good half hour until will start couple flips prop Work out a11 bugs install engine plane Check center gravity coincides position shown plans sport flying CG can moved forward 33% position one-third chord leading edge wing position will give stable setup beginning flier rearward position shown draw ings will give little less sinking speed small sacrifice longitudinal sta bility first test flight best made day sunny warm no wind light steady breeze like fly afternoon 4 pm until sundown wind down hot-rod fliers have left flying site enjoy being alonejust modelbut safety its best have someone along Adjust engine very low idle just enough pull move model over grass field Taxi around landing strip about two tanks gas get feel model controls Set model down middle takeoff area facing wind apply one-eighth one-quarter throttle model will taxi about 20 ft beoome airborne RC-1 should climb slowly steadily one-quarter throttle just relax enjoy ship gently climbs turns direction should fly straight level controls neutral lowest throttle setting can found engine large elevator area RC-1 almost impossible stall glide under low power easiest way land power shut off Bring model over landing strip downwind side about 20 ft altitude cut throttle model will glide using up 50 100 ft strip settle grass Just before touch down give tap up elevator true three-point semi-stalled landing Power-on landings low throttle can made just easily small amount down trim elevator RC-1 very gentle stable model under low throttle very difficult get trouble full throttle model becomes very active fast Hold rudder give full throttle let er go shell hop off ground 5 10 ft start climbing Add small amount down elevator near-vertical climb will continue until model almost Out sight 45 seconds engine run number ways RC- 1 may flown see sketches Climb 900 ft throttle back engine near idle anl bit right trim rudder RC-l will float around large circleshands off wouldnt hate bring down out graceful near zeropowered glide RC- 1 constructed shown slow-flying predictable sport-type model has flown Old-Timer compe K 5 titions suited Texaco Antique classes SAM events also does well limited-engine-run classes dont fly RC-1 Pattern events have lot fun trying beat modem RC models fun-fly event held local club Valley City RC Club Powered glow 45 engine RC-l takes off full-throttle nearvertical climb spectators gasp course nothing like flying done 1934 Since Chet has about 800 plans RC-1and because much interest arising its discovery magazine service will supply plans detailed full-size plans available $800 postage paid Chet Lanzo 1485 Lester Rd Valley City OH 44280 Tom McCoys mods RC-l Since McCoy specializes high-performance SAM FF-RC Assist evolved changes suit requirements pertaining wing construction have special significance sport RC fliers may indulge simple aerobatics use machine power winch Lanzo described JUST EW I4ORE FLIGRTS ACE AND ThEN ILL LET YOU FLY ER December 1986 185 Classic R/CSaleLAK5 TN D Wing 15 25 Engines ADVERTISERS INDEX 1 AMA Checks AMA Membershin AMA Mortgage Academy Aviatu Ace Radio Control Aero Plans N Aerodrome Models Airtronics American Jr Right Quay Barber Models Beer Can Bombers Bell Rock Industries Blue Ridge Machinery Brechin Enterprises Byron ariginals CH Electronics RC Products nell Tools Co elis Custom Kits Engine Imports aTaffinder sburn Mfg Hobbies Model Supply Elect ners Guide e Hobbies Designs Systems Corp. Diesel Developm Hobby Shop Products Inc ist Props Design Corp Supply Inc Master Aodels cale Models oducts Corp Amen n Products following quoted McCoys des cription As know RC- 1 rudderonly Free Flight model lot changes version begin SERS ometr irl Gc Golden Gorhai odels del Mfg nited ft Sons ion rn ay v lnternati ods Model Inc.. Sales Inc. J Sales . s Models Jolly Model Technical F raftsmanship Lind Co Models ucts Model Airplanes niel RC Service. sers Quality Model Mark o Model Engineering oX Expo Magic Products Rectifier Corp s Hobbies Products Inc. cts chnology ie Ent lymers Enterprises hinged stab second spar obvious elevator/stab break leading edge elevator elevator very large must moved very small arc model devil under power X ADVER n International Che n Valley Hobby Ce Products s Hobby cesion Built Models nress Mfg Co. ne Corp Digest ign Research stries South Tech International llsport y TG Industries e City Model Research Plans Photo RC Snap rock Competition Imp ns Hobby Shop Mfg Co Smith Industries Kraft Products Cyclone Engines Sweitzen Research Associ Products Co id Thompson RC Conft Rite Models Hobbies. Turn Engineei E Technical S indit Mfg Brothers Model Propeller Mfg Co Engines y Mfg Inc Aviation Marketing b solution dual rates works great dont have dual-rate radio careful move elevator /2 up down pushrod 3/6-rn sq carbon fiber reinforcement 186Model Aviation No 535 Atrix$725 RC Class D Sailplane spans 110 4-ch RC No 536 Cyrano II$325 FF P-30 Rubber flying wing canard spans 28 No 537 Cessna 206 Caravan$300 CL Sport Scale 02 electric power spans 37 U aD 0 CJ - eg 0 U0 -0 c3 stun 0 0 zao 0 000 0 r U 5 woo 2en So CU 0 5 j3 00 0 00 U 0 e 0 O5r C 0 U V 000 0 00 U 0 0 U U 0 mc 4 J 0 U 05 CITY N 00 l1 Stiletto CL Stunt model lMcOonaldl winnm 1976 1980 1982 PAl World Champs$375 BIoo Birds SC Ken Willards formation pIerre 4-cfranoel 10/15 power$375 Croshmostor Cf Crash-proof trainer two sizest 5/30 35/40 power$125 Mini P-lU SC Sarpolus 049 docted-fan sport flier 2-channel Balsa wings tail fone structure$275 1930 FloeS Bituloon SC Sport Scale 35/40 4-channel Wingspan 50 0 /n scale Twn sheets$625 Drake II SC Ken Willards flying hoot 3-chanwi 15-power fly land wdh remonahle gear5375 Toylor Cob SC Don Srulls Schoolyard-Scale 049s 2-3 channel Spans SOin6350 Zophyr SC Small 2-channel glider fun hand-launch tow thermal slope soaring$200 tenor 200 SC Sport Scale replica nf championship Aerohatic flier Uses 40 power 4-5 channel Two sheets91075 Bloctric Sparky C Electric-powered fun flier 05 mntor 3-channel SC scaled-up 1939 ruhher-power fanorite$050 Croinor PP Emhryo Endurance rohherpower fun ship has hig-model characteristics$200 Canolior SC Old-Timer-like now design has huge wing fnr easy flights 35 power 3 channels Two sheets91725 Firelseit SC Pusher canard spnrn/pa0ert 0000 40 puoher engine 4-channel Has swept-forward fnam wings$050 Mine Amonica SC Old-Timer Teoeco model 049 glow 2-channelsS050 Swoon P-30 PP Neat stickand-tissue Outdoor Sohher P-30-cless model contest-winner9200 Spoctra SC Electricpower 05size motor uses 3 different wings sport soaring aerohatics6700 4-40 SC Shoulder-wing sport flier 4-cycle 40-size engine 4 channels6050 Bloc Moe Ii BC Fun-fly oportnter 40-size engines spans 52 Lightweight structure$700 Stroker SC Mid-wing opnrtster uses 40/45 four-stroke engine opens Soyfi tail-dragger$650 Bottorcop SC Cute elfin sportster uses micro 2-ch SC pulse-rudder Spans 21 020/035 power$300 Weekender SC Low-wing spud flier 20-tize 4-stroke engine spans 47 in$575 4-SO SC Soc Mathews great sport flier 00-size four-stroker engine spans 70 Two sheets$t275 Fnkkor DVIII SC Sport Scale model WW f monoplane uses 90 four-stroke engine spans 03 Two sheets61000 Bill Wintors Vagabond PP Sport flier down-sized 02-powered aersion 1940s cehin plane Spans 33 in$225 Buzzkot SC Slopesoarer spans 60 in. uses 2 SC channels$750 P-38 Lightolog CL Sport Scale fighter spans 65 weigho 10 lh user twin 35s Two sheets$1175 Playnsoto SC Sport flier fur 3 SC channels t5/25-size engines spans 50 in$650 ltummiobird PP Hot cleos A/B competition plane own 05 Nets$750 0-258 CL Profile scale WW humher twin engines spans 30 in$400 Ronene 18 PP Hand-Launched Slider features cursed 10-in wing ItT$150 Stoospor PP Hand-Launched Slider has angular 10-in wing OT9150 F-iS CL profile scale fighter spaes 17 has tricycle landing gear$200 Entre 230 SC Giant Scale acrohatic plane spano 0 ft uses Ouadra engine Two plan sheets$1650 Block Beauty SC Slop-snaring racer has foam wing 3-ch SC spaes 114 in$750 Honey T SC Spoetnfer 2-3 channel SC spans 52 has adiustahle wing flaps$475 Weotleoti Whirlwind SC Sport Scele WW II twin-engined fighter fur 10-size engines spans 55 Two plan sheets$1150 Envoy CL Stunter 40/46 power spans 50 in$675 Poke Fnrd SC Sperteter three engines 3-ch SC Spans 50 Two plan sheets$575 Project P-13 PP Scale German WW II flyino wing pusher/tractor mhher power spans 26 in$325 Gee Bno S-i CL Profile sport flier fur 25 engines spans 36 in$475 Flight Aneingant Wheeled flight hoo carries lots Two plan sheets$11 SIt ComeS Jr Clipper Plus 30% SC Old-Timer oportoter engine 2-ch SC spans 48 in$650 Bonn Petto SC Semmnder-scale hipe 40180 engines spans 43 Two plae sheets$1050 Dowowolker PP Superlight Onlimited/Mulnihill ruhher-pnwered competition plane spans 42 in$400 Teocs Rat CL Another mggnd nersion Midwest Sport Sacer 40 engines spans 24 in$275 Hi-Tuck 2002 SC Caeand dusted-fan 45 engines spans 39 Two sheets$1000 KiSi Hem CL Mustly-cwdhnard spurt-scale WW II Japanese fighter foe 40 wgine spans 60 Two plan sheets$1150 Mios RJ SC World Champine FAI Pylon Sacer 40 neginos spaes 51 in$550 Swallow SC Lightweight hotdogger 40-size four-stroke negines spans 50 er$825 POY Catalina PP Skinny Scale Im two CO-2 motors Spans 32 AII-sheet-halsa constmctiun$325 Toonansi CL Profile scale spans 2t inches Allsheet-helen consterstern$225 Terrible Coupe PP Suhher-power Coupe dHiner spans 40 in$475 Boky Bird CL Tiny Stanter uses 049 diesel glow spew 34 in. has flaps$400 Ceosoa C-37 SC Schoolyard Scaler 1930s pIerre fnr 049/1 0 power 2-ch spans 42 in$500 1038 Challenger SC Texaco Old-Timer spans 47 Pun 049 engine 2-ch SC$550 Circle numbers plans wish order 193 332 454 499 508 515 522 529 239 386 457 500 509 516 523 530 262 414 460 502 510 517 524 531 302 438 465 503 511 518 525 532 310 440 470 505 512 519 526 533 314 444 478 506 513 520 527 534 326 447 490 507 514 521 528 535 536537 Plan price Includes firoS class postage tar US delivery IS Air Mail over 300 miies orders Bulside lbs US please add $250 Air Mail $125 surfaCe mail I Make check mocey order payable US funds Model Aviation CIO AMA 1810 Samuel Morse Dr RBsfon VA 22090 Please allow 3 6 weeks delivery Please print carefully Enclosed $ STREET STATE ZIP could use -in sq hard well model has short nose must keep tail light radio gear far forward possible model uses ignition Super Cyclone 60 ignition battery coil mounted up front helps servos mounted piece t/06 ply n balsa under-structure setup adds structural strength cabin area three servos rudder throttle elevator throttle miniature plastic bat handle switch hole drilled through handle pushrod wire use two solder grommets adjust proper throws two chargingjacks tray radio battery other ignition bat tery bent Vs wire hooks epoxied onto floor model use large rubberbands looped around wing pegs hold receiver batteries Ive using Otto Burnharts transistorized igni tion setup product No 77 markets about $25 drive unit two sub-C Ni-Cds requires no booster battery have ignition power need setup adds up 3-oz battery pack 1-oz coil ignition module pretty light trouble-free wing can problem suggest spars reinforced cut sizes down ed spars Y06 spruce top bottom think carbon fiber would super area would highly recommend area landing gear used 1 x -in plywood across fuselage both front back used rear brace pivot point landing gear nylon landing gear straps Goldberg 4-40 bolts blind nuts inside gear rests -in notch front used Yt dowel wrap rubberbands around creating swing-back gear very rugged original model showed Brown Jr engine fully cowled Ive used Super Cyclone much larger gives super climb 55-second engine run can climb model almost out sight opted replace cowl own half cowla hollow rear engine fairing makes clean design kept opening around engine tight clean could make Chet says likes cowl arrangement helps clean up nose thinks RC- 1 models built havent cowls Another suggestion put h-in plastic tube tail model under stab will used weight box adding removing lead shot can move CG around until get model balanced way want Nice able move CG forward windy day just removing weight model covered silk dope very strong weight Gen erally would suggest fabric coverings structure very light must stressed-skin covering feel whole structure would have beefed up 188 Model Aviation No 193 No 239 No 262 No 302 No 310 No 314 No 326 No 332 No 306 No 414 No 430 No 440 No 444 No 441 No 454 No 451 No 460 No 465 No 410 No 478 No 400 No 400 No 500 No 502 No 503 No 505 No 506 No 501 No 508 No 509 No 510 No 511 No 512 No 513 No 514 No 515 No 516 No 511 No 518 No 519 No 520 No 521 No 522 No 523 No 524 No 525 No 526 No 527 No 528 No 520 No 530 No 531 No 532 No 533 No 534
Edition: Model Aviation - 1986/12
Page Numbers: 106, 107, 108, 109, 110, 182, 184, 185, 186, 188
NO OCR TEXT Opposite page top Coming spot landing under radio control Chats own RC-1 settles like graceful bird 1934 year its birth such photo would have nearly impossible Nothing landed nearby including RC models nationwide could numbered fingers hand RC-1 SAM-approved Antique FP Opposite page bottom few seconds later Chet finishes slight S just prior two-wheel landing walk after session dead-stick soaring Above Coming after 5-mm soaring flight Chet removes propengine ballastand launches standard winch Youll find some fascinating techniques text cluding slight mods teacup hanger hook Chet watches wrinkles covering during launch eases off necessary Says might wish add auxIliary spar Lanzos co-author says has enough trouble just seeing plane flight much less wrinkles WHEN CHET LANZO WAS 20 half century ago created remarkably simple functional grace ful gas model superb flying ability contemporary famed Bassett designs KG Kovel-Orant published MAN 1 930s fact two designs Lanzos spiration attempted develop gas model own objective radiocontrolled flight name RC-l testi fies Sometime around 1934 story about Chet historic craft appeared Cleveland Press along excellent photo plane its creator newspapers lead-in read high-wing cabin monoplane 7-ft spread powThis flyby shows RC-1 elevatoron right Its enough though Chet notes model requiresvery little elevatorto responsive Modern-day spinner used starting ease ered gasoline engine capable 50 mph equipped radio controls may operated ground ambitious model airplane project de veloped Chester Lanzo Junior Aviator National Air Races article went relate Chet interested models 10 years already flown two large models recalled experience craft shops East End neighborhood house graduation East Technical High Chet begins takeoff roll RC-1 Covering red-colored silk black trim using butyrate dope Cutoff Important feature use glow set up carb throttle barrel cuts off air kills engine transmitter trim moved full idle December 1986 107 Left The ignition SuperCyclone installed Tom McCoys RC-1 McCoys own hand-carved 13 x4 based HA ThomasAir Trails article 19509 Note attachment rubbershock band landing gearto dowel sideofthe nose cheek Right Detailsof wire gear Thinner cross wires prevent splaying Cross section front one-piece leg free move down back restrained rubberband shocks both sides rear wire can pivot under three nylon strap fittings provide smooth yet sturdy landings Left Center servo operates ignition Kill switcn Mcloys snip Ball-links attach others square balsa pushroifS Battery pack rubberband-wrapped suspended front hold-down dowel two loops band Right Clevis rods have unthread end joined wire pushrod extensions via soldering connectors Stab airfoil 50%-thick Clark Y CG therefore 45 50% wing chord School studied aeronautical engineering peers abroad consider Chet worlds finest modelers achievements monumental know Chet will disapprove last two sen tences because self-effacing style humble guybut necessary say order account out-ofthe-blue events unfold below Lanzos 1937 Nats-winning RC seem ingly step backward configu ration forgotten 1934 plane display AMA Museum follows ancient Lanzo tradition stick-type wire cabane polyhedral Free Flights employed successfully RC Its primi tive radio now seems like something Ice Age course radio RC-1 never described goes back Dinosaurs Chet will talk about vintage Marconi may make loose words awareness RC- 1 began chance photo deBolt winning model Tom McCoy March 1986 Antenna Interupter Spark gap Model T auto Fordiii sparking coiI~ Tuning coil & 6 volt _con dens storage Signal key SPARK GAP TRANSMITTER issue able include item RC- 1 three-view drawing thanks both Tom Chet overwhelmed Chets invitation write RC- 1 story him feel profoundly honored have organized Chets comments precisely spoke questions understood eliminated permit Chet maximum space RC-1 approved Society Antique Modelers SAM 1982 compete its basic contest events authenticated desigu listed SAM Speaks accepted Antique Chets account 1934 put together RC-l first attempt radio controlling gasolineengine-powered model airplane am bitious project able launch gas model get air good height have reasonable flight return model vicinity launching siteall radio control sounded simple enough proved very substantial goaland easily attained competed rubber-powered events Nationals held Akron OH 108Model Aviation 1934 new ruling contest gas-powered models allowed compete against rubber-powered ones events such Moffet Mulvihill winner Texaco event made longest flight gas-powered model using new ruling limited amount fuel ound model weight Maxwell Bassett Philadelphia 1933 winner retained title flight 21 mm 57 sec Irwin Ohlsson Bill Atwood California See MA October 1986 Atwood flew two large approximately 9-ft-span gas-powered models Atwood designed gas engines both ships few gaspowered models unable climb high enough clear 1 2-story Goodyear dirigible air dock flew building engines running slid down its sides thought would great idea build gas job prevent fly-aways accidents controlling model radio What brave lad model airplane club Cleveland intrigued Brown Jr 60 engine just starting produced time Money sale several small Scale models built members club al lowed us purchase engines agreed club member would allowed use Brown short period time during year So designed built RC-1 7-ft-span cabin model waited turn use engine Brown Jr became available club fall 1934 could hardly wait get RC-l air Flying tests proved model very capable flying machine would climb steadily under power glide stable slow idea get model trimmed out bugs worked out before installing radio building models 10 yearsmostly rubber-pow ered Free Flight Scale Free Flight contest types what would now call Wakefield RC-1 provided good opportunity learn what Id need know further attempts produce successful flying controllable model indeed good starting point RC picture bleak 1934 did know anyone building built RC unit gas-powered model airplane fact some fellow mod elers considered bit unusual brought up subject Radio control equipment just did exist must remember gas-powered models flying about two years some very heavy radio equipment used control model boats lightplanes during WW amateur RC hobby composed few isolated experimenters using makeshift equipment produce successful models guided radio no minia ture components lightweight units avail able Parts radios extremely heavy Lightweight batteries werent availAntenna 3 V ignition battery Tuning coil 8 4j%condensor F Coherer-Glass tube 3 long filled mixture iron 8 silver file ings * gRudder actuator relay Clapper arm Airplane rudder tab Return spring Cable drive Rudder set right turn signal. left turn no signal COHERER TYPE RECEIVING UNIT able either receivers used filament high voltage plate bias batteries Most tubes being used high-drain fila ment type Beginnings model design design stems full-size cabin air planes flying could point design influential low throttle power landing stoogina viewed abovearound 2climbing turns tOaltitudeg-9l elongated fig 8stake off direction S turns looseitouch down oltitude 360 turns quicker losslanding Strip METHOD FOR LOOSING ALTITUDE FOR SMALL FIELD POWER-ON LANDINGS prepare landing alt 4A take offactivity I thermal landing strip METHOD USED FOR DEAD STICK LANDING ENGINE CUT OFF December 1986 109 LeT Hucky waiters prepares nis -n RC-1 ignition Orwick 60 version uses both flippers paper covered wed guess silkspan Chet says modern glow 45 can sustain near vertical climb aftertakeoff Right Tom McCoys lovely RC-1 famous among OldTimer fliers Lanzo saying Toms workmanship awes him ignition Super Cyke Toms 1000 sq bird has spectacular climb would greatest gas modeler time Maxwell Bassett RC-1 corporates lot 1933 cabin model design wingspan RC- 1 dictated 3-ft length balsa hand didnt like splice spars leading trailing edgesmade weakso used 3-ft tips added 1-ft center section give 7-ft span must have influenced other models mod elers some memories old times crystal clear others about 50 years old plans call silk covering make model durable long-lasting present-day RC original covered bamboo paper looked like blotting paper given three four coats heavy nitrate dope Butyrate available made tough inexpensive covering used silk could afford nitrate dope some what fuel-proof gas oil reason used black-pigmented nitrate dope front end engine compart ment Lacking bamboo paper wanted make tail sections lighter would use Japanese tissue double covering grain tissue cross ing right angles discourage puncture tears model RC-l design similar rubber-powered cabin-type models flying 1934 design philosophy time dictated airplanes have cowling over engine mess model cabin windshield windows side wing simple rectangle rounded tips conventional rudder elevator complete design -in-sq diagonals fuselage rigidity really necessary modem-day RC used Ambroid ce ment red-colored stuff also made homemade cement acetone cellu loid thought could eliminate heavy electrical equipment vacuum tubes batteries transformers relays would stand chance successful oper ation other words hoped simplify receiving end equipment thereby eliminate great deal weight coherer-type receiver its asso ciated spark-gap transmitter seemed fit requirements very satisfactorily simply detector relay-actuator combined engine ignition system bat teries power unit airborne equipment complete receiver turned out weigh less 8 oz transmitter simplicity itself Ford Model T spark coil 1923 vintage key pulse signal 6V auto storage battery made up bulk transmitter course also antenna tuned coil system Early radio tests RC- 1 very NQI COWL OPTIONAL LIFTS FROM FRONT & HINGED REAR ENGINE SET AT5T06 DOWNTHRIJGT rRIGHT REAR SPARFRONT SPAR NGTE REEF-SF SF REAR SPAR MIGHT NOT BE NEEDEDIo 0011 Inc colI 1THE RO-ONE I DESIGNED BY CHESTER D LANZO 11WINGSPANB4 INSWING AREAIOIO SQ INS 1POWER BROWN JR I/S HP 14 IN PROP 1iCOVERING SILK RED DOPE WITH BLACK TRIM 1 F 1 NI CA AT 43 TO 50% OF WINS CHORD FROM LE I__ WEIGHT GA OZG 4STAB Gin SCALE IN INCHESVSDOWELGLGNA 01 2 34 DRR10 1216DO24 RQIEFDRELEVATORCDNTRGL ____________________________________________________________[v32][b192130729400]]HINGE AS SAGAN 10 OaII 110 Model Aviation stable both powered flight glide Small movements rudder trimming would give nice large circle right left discovered model could handle additional eight receiver quite well built radio equipment bench-tested looked coherer receiver system viable method radio control although took lot fiddling fussing just get relay close stay closed eliminated gears motors devised very simple rudder control sys Continued page 182 THIS 1934 7 FREE FLIGHT DESIGN WAS ALSO FLOWN RC 4 ESIGN TAILORED HELICAL PITCH DEVELOPEOTOGIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALLTHELATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW DIAPITCH THP 1266778 136778 146778 1567 16678 PRICE 299 379 479 889 989 NEW PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10T020%INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCHPRICE 53/i34149 634149 72833456179 8334568189 845667199 9456677199 1045667209 106W8W209 106EW219 114677778229 115W229 11BEW239 1167239 124W279 125W279 1256279 1356349 1456459 1556659 164N969 16678969 RC PYLON RACING SERIES 500 DIA PITCH PRICE 7SN 5/N279 8I 677/8 299 SERIES 4000 86/s6777289 9777289 W WIDE BLADE EW EXTRA WIDE M MADAW Now available. either aluminum brass must epoxied place freewheel notch can cut file razor saw drive dog slips over back propeller engages blades glued propeller thus complies un modified prop rule Trimming flying Cyrano easy model trim trimming tech nique little unusual Work glide first mythical tall grass available use test glide over use softest substitute possible adjust ment available trim glide pitch CG Since no tail cannot change incidence advantage tail warps incidence cannot change ruin trim model glide adjusted adding clay nose model stalls tail glides too nose-down Turn can set small rudder tab trailing edge pylon sufficient small drag tab wing tip can also used Cyrano flies left-left pattern attempt fly right will spiral time Set power turn adjusting thrust line have found small amount left thrust usually re quired get good tight stall-free climb get left thrust either place shim under right side tail block sand away little left side fuselage tail block rests small amount downthrust may necessary control power stalling Cyrano wound hooking onto wire loop nose winder holder restrains model propeller Make absolutely sure freewheel notch has engaged propeller shaft before start winding holder will treated shaft run fingers will never forget Start text flights low power work up slowly maximum winds motor Cyrano 10-gram loop -in FAI rubber important weigh motors flying Cyrano Changing motor weight will change pitch trim airplane said before tailless models quite sensitive CG shifts Cymano easy model build has contest-winning performance worth building just watch ex pressions disbelief peoples faces cruises overhead Flying wings com petitive Try RC-1 /Lanzo-Winter Continued page 110 tem rewinding electromagnet Ford cut-out relay used com bination relay rudder operator placed extended arm clapper linked rudder two control strings control gave right turn against torque actuated left turn no signal no neutral equipment mounted plane engine nmning range very shortless 100 ft problem models ignition coil acting transmitter swamping signal ground-based transmitter Too bad glow plug engines available would say RC-1 should have considered successful RC model 1934 1935 tremendous success Free Flight model oould carry additional weight receivera quality contemporary models still aim flew RC-l local flying field never entered large contests retired after bad crackup should noted radio equipment shown nostalgic project useful RC setup coherer system works key transmitter pressed down sparking coil energized sends out continuous series sparks across spark gap resulting undamped electromag netic waves imposed across tuning coil oondenser tuned frequency waves sent out over air waves antenna antenna mounted model re ceives transmitted radio waves impressed tuning coil condenser also two end caps coherer coherer tube loosely filled about 50-5 0 mixture iron silver filings frequency signal impressed iron filings become magnetized stick together action also squeezes dispersed silver filings together decreases resistance across tube ends causing electrical current flow through ac tuatorContinued page 184 182 Model Aviation THE LEADER IN COM PETITION PROPELLERS ThE WORLDS VINTAGE SAILPLANES 1908-45 Martin Simons Hard hound 176 pages quality paper 248 beautiful black white photos plus 65 color plates nearly 100 finely detailed scale drawings magnifi cent collection rare information classic old-timers SPECIAL CONCESSION OFFER FROM THE PUBLISHER ONLY avail able readers send us 2 International Reply Coupons Ask Post Office will airmail free color brochure price details tell order write now KOOKADURRA TECHNICAL PUBLICATIONS Pty Ltd P0 Box 648 DandenonE 3175 Victoria Australia h -U I ri J actuator arm pulls giving rudder left run key released no signal being sent vibration Brown Jr engine transmitted coherer mounted engine firewall iron filings shaken loose way actuator circuit broken clearing system signal can received As can see receiver would operate engine running producing vibration necessary decohere receiver device similar doorbell ringer could have used rejected because weight Readers probably will recognize radio used early days wireless telegraphy before vacuum-type tube came use Modem-day kids prob ably dont know what vacuum tube either rudder actuator system described typical gear used nor used others couple years later what thought would workable unit time prove myself built another 1 2-ft-span model after RC-1 followed 9-ft-span sticktype plane hangs AMA Mu seum Reston VA None equip ment museum model similar what used RC- 1 am collecting some old type-30 tubes other RC equipment build duplicate receiver transmitter museum model does have proper receiver now Construction notes construction techniques shown plan OK Free Flight version building RC- 1 Radio Control may get heavy stunt loads wings suggest adding n spruce spars existing spars beef up increased stress Fuselage The conventional method stick construction fuselage has used numerous Old-Timer models looks flimsy difficult actually type construction incredibly strong its weight requires small amount experience building stickand-paper-type airplanes RG- 1 can successfully towed up 1000 ft using standard tow winch towline same manner modem Sailplane models Attach tow hook under belly airplane Use -inthick plywood insert fit inside body longerons crosspieces tow hook can made out simple bent-screw hook like cup hanger Install -in-sq hardwood reinforcing crosspieces hook inside fuselage hook should positioned about ard center gravity CG location CG incidentally should about one-third wing chord leading edge towline has parachute attached sure make inoperative wrapping rubber around Better yet remove chute entirely may easily caught landing gear happens flier will lot anxious con trolling trying bring model landing precaution take launching tow go easy power switch Small short pulses will job Watch upper surface model towed upward first few flights Wrinkling covering near dihedral joints will indicate over-stressing wing point must let up winch power switch prevent wing col lapse would recommend use ruce reinforcing spars wing intend winch-launching RC- 1 Remove prop place spinner shaft safety Ive made flights five minutes RC- 1 towed good weather Try Youll like Setting up RC- 1 flying Never fly downwind gliding Youll drift farther downwind tension will build open way mistakes model will eventually disappear leamed early days RC equipment unpredictable unreliable Gliding up wind can make kinds mistakes model will eventually drift right back you get model down its caught powerful thermal have no flaps spoilers dive brakes RC model best way get out rising currents air spin down stalled tum sure have plenty up elevator 1 50—and plenty rudder throw put spin pull back full stick full up elevator about two seconds later apply full left rudder will result tight left spin like put rudder elevator control righthand side transmitter controls throttle left attitude plane will spin down very nicely creasing its downward speed problem trying dive out large thermal giving down elevator speed will build up incredibly causing shredding wing tail producing high-speed flutter also possible snap wing pulling out high-speed dive no matter gently pull back stick practice stalled spin maneuver much possible youre under non-thermal conditions spin maneuver also very good youre caught cloud model disappears fluffy stuff Put stalled tum hold breath pretty soon will see model re appear can bring down safe altitude Heres way find elusive thermals RC-l youre glide Picture mind hot-air balloon floating air Its about 200 300 ft diameter about 500 ft high basket about 100 ft off ground balloon represents good-sized thermal its rising expanding same time have penetrate big column air has tough outer layer youll need hit head-on model will tend bounce off its tough hide deflected off side Watch RC-l very carefully will tell thermal Fly model straight ahead hands off controls notice model starting rise already thermal good changes course either right left tum back thermal until have penetrated Once inside thermal circle right left 50-ft circles same time applying small amount up trim elevator Just watch 184 Model Aviation NEW FOR 1987 CYCLONE SUPER 65 CLASSIC IGNITION ENGINES BIG BORE 647 CU IN DISPL Factory tested ready run md Display Box Coil Cond Lead Plug Owners Manual Parts List Cowl Decals Price $19950 plus $5 ship Credit price 21500 includes shipping MasterCard/Visa welcome ORDER NOW early delivery SUPER CYCLONE ENGINFS Box 26390 Phoenix Arizona 85068 602 870-3342 auto ans Dealers & Distributors Welcomed Phone 703 273-9593 FLYLINE MODELS INC PO Bex 2136 Peirfax VirgInia 22031 USA model climbs away its own seem get greatest pleasure out RC-l glide looking thermals Soar ing about silent flight idea ultimate RC flying Flying instructions Run engine bench good half hour until will start couple flips prop Work out a11 bugs install engine plane Check center gravity coincides position shown plans sport flying CG can moved forward 33% position one-third chord leading edge wing position will give stable setup beginning flier rearward position shown draw ings will give little less sinking speed small sacrifice longitudinal sta bility first test flight best made day sunny warm no wind light steady breeze like fly afternoon 4 pm until sundown wind down hot-rod fliers have left flying site enjoy being alonejust modelbut safety its best have someone along Adjust engine very low idle just enough pull move model over grass field Taxi around landing strip about two tanks gas get feel model controls Set model down middle takeoff area facing wind apply one-eighth one-quarter throttle model will taxi about 20 ft beoome airborne RC-1 should climb slowly steadily one-quarter throttle just relax enjoy ship gently climbs turns direction should fly straight level controls neutral lowest throttle setting can found engine large elevator area RC-1 almost impossible stall glide under low power easiest way land power shut off Bring model over landing strip downwind side about 20 ft altitude cut throttle model will glide using up 50 100 ft strip settle grass Just before touch down give tap up elevator true three-point semi-stalled landing Power-on landings low throttle can made just easily small amount down trim elevator RC-1 very gentle stable model under low throttle very difficult get trouble full throttle model becomes very active fast Hold rudder give full throttle let er go shell hop off ground 5 10 ft start climbing Add small amount down elevator near-vertical climb will continue until model almost Out sight 45 seconds engine run number ways RC- 1 may flown see sketches Climb 900 ft throttle back engine near idle anl bit right trim rudder RC-l will float around large circleshands off wouldnt hate bring down out graceful near zeropowered glide RC- 1 constructed shown slow-flying predictable sport-type model has flown Old-Timer compe K 5 titions suited Texaco Antique classes SAM events also does well limited-engine-run classes dont fly RC-1 Pattern events have lot fun trying beat modem RC models fun-fly event held local club Valley City RC Club Powered glow 45 engine RC-l takes off full-throttle nearvertical climb spectators gasp course nothing like flying done 1934 Since Chet has about 800 plans RC-1and because much interest arising its discovery magazine service will supply plans detailed full-size plans available $800 postage paid Chet Lanzo 1485 Lester Rd Valley City OH 44280 Tom McCoys mods RC-l Since McCoy specializes high-performance SAM FF-RC Assist evolved changes suit requirements pertaining wing construction have special significance sport RC fliers may indulge simple aerobatics use machine power winch Lanzo described JUST EW I4ORE FLIGRTS ACE AND ThEN ILL LET YOU FLY ER December 1986 185 Classic R/CSaleLAK5 TN D Wing 15 25 Engines ADVERTISERS INDEX 1 AMA Checks AMA Membershin AMA Mortgage Academy Aviatu Ace Radio Control Aero Plans N Aerodrome Models Airtronics American Jr Right Quay Barber Models Beer Can Bombers Bell Rock Industries Blue Ridge Machinery Brechin Enterprises Byron ariginals CH Electronics RC Products nell Tools Co elis Custom Kits Engine Imports aTaffinder sburn Mfg Hobbies Model Supply Elect ners Guide e Hobbies Designs Systems Corp. Diesel Developm Hobby Shop Products Inc ist Props Design Corp Supply Inc Master Aodels cale Models oducts Corp Amen n Products following quoted McCoys des cription As know RC- 1 rudderonly Free Flight model lot changes version begin SERS ometr irl Gc Golden Gorhai odels del Mfg nited ft Sons ion rn ay v lnternati ods Model Inc.. Sales Inc. J Sales . s Models Jolly Model Technical F raftsmanship Lind Co Models ucts Model Airplanes niel RC Service. sers Quality Model Mark o Model Engineering oX Expo Magic Products Rectifier Corp s Hobbies Products Inc. cts chnology ie Ent lymers Enterprises hinged stab second spar obvious elevator/stab break leading edge elevator elevator very large must moved very small arc model devil under power X ADVER n International Che n Valley Hobby Ce Products s Hobby cesion Built Models nress Mfg Co. ne Corp Digest ign Research stries South Tech International llsport y TG Industries e City Model Research Plans Photo RC Snap rock Competition Imp ns Hobby Shop Mfg Co Smith Industries Kraft Products Cyclone Engines Sweitzen Research Associ Products Co id Thompson RC Conft Rite Models Hobbies. Turn Engineei E Technical S indit Mfg Brothers Model Propeller Mfg Co Engines y Mfg Inc Aviation Marketing b solution dual rates works great dont have dual-rate radio careful move elevator /2 up down pushrod 3/6-rn sq carbon fiber reinforcement 186Model Aviation No 535 Atrix$725 RC Class D Sailplane spans 110 4-ch RC No 536 Cyrano II$325 FF P-30 Rubber flying wing canard spans 28 No 537 Cessna 206 Caravan$300 CL Sport Scale 02 electric power spans 37 U aD 0 CJ - eg 0 U0 -0 c3 stun 0 0 zao 0 000 0 r U 5 woo 2en So CU 0 5 j3 00 0 00 U 0 e 0 O5r C 0 U V 000 0 00 U 0 0 U U 0 mc 4 J 0 U 05 CITY N 00 l1 Stiletto CL Stunt model lMcOonaldl winnm 1976 1980 1982 PAl World Champs$375 BIoo Birds SC Ken Willards formation pIerre 4-cfranoel 10/15 power$375 Croshmostor Cf Crash-proof trainer two sizest 5/30 35/40 power$125 Mini P-lU SC Sarpolus 049 docted-fan sport flier 2-channel Balsa wings tail fone structure$275 1930 FloeS Bituloon SC Sport Scale 35/40 4-channel Wingspan 50 0 /n scale Twn sheets$625 Drake II SC Ken Willards flying hoot 3-chanwi 15-power fly land wdh remonahle gear5375 Toylor Cob SC Don Srulls Schoolyard-Scale 049s 2-3 channel Spans SOin6350 Zophyr SC Small 2-channel glider fun hand-launch tow thermal slope soaring$200 tenor 200 SC Sport Scale replica nf championship Aerohatic flier Uses 40 power 4-5 channel Two sheets91075 Bloctric Sparky C Electric-powered fun flier 05 mntor 3-channel SC scaled-up 1939 ruhher-power fanorite$050 Croinor PP Emhryo Endurance rohherpower fun ship has hig-model characteristics$200 Canolior SC Old-Timer-like now design has huge wing fnr easy flights 35 power 3 channels Two sheets91725 Firelseit SC Pusher canard spnrn/pa0ert 0000 40 puoher engine 4-channel Has swept-forward fnam wings$050 Mine Amonica SC Old-Timer Teoeco model 049 glow 2-channelsS050 Swoon P-30 PP Neat stickand-tissue Outdoor Sohher P-30-cless model contest-winner9200 Spoctra SC Electricpower 05size motor uses 3 different wings sport soaring aerohatics6700 4-40 SC Shoulder-wing sport flier 4-cycle 40-size engine 4 channels6050 Bloc Moe Ii BC Fun-fly oportnter 40-size engines spans 52 Lightweight structure$700 Stroker SC Mid-wing opnrtster uses 40/45 four-stroke engine opens Soyfi tail-dragger$650 Bottorcop SC Cute elfin sportster uses micro 2-ch SC pulse-rudder Spans 21 020/035 power$300 Weekender SC Low-wing spud flier 20-tize 4-stroke engine spans 47 in$575 4-SO SC Soc Mathews great sport flier 00-size four-stroker engine spans 70 Two sheets$t275 Fnkkor DVIII SC Sport Scale model WW f monoplane uses 90 four-stroke engine spans 03 Two sheets61000 Bill Wintors Vagabond PP Sport flier down-sized 02-powered aersion 1940s cehin plane Spans 33 in$225 Buzzkot SC Slopesoarer spans 60 in. uses 2 SC channels$750 P-38 Lightolog CL Sport Scale fighter spans 65 weigho 10 lh user twin 35s Two sheets$1175 Playnsoto SC Sport flier fur 3 SC channels t5/25-size engines spans 50 in$650 ltummiobird PP Hot cleos A/B competition plane own 05 Nets$750 0-258 CL Profile scale WW humher twin engines spans 30 in$400 Ronene 18 PP Hand-Launched Slider features cursed 10-in wing ItT$150 Stoospor PP Hand-Launched Slider has angular 10-in wing OT9150 F-iS CL profile scale fighter spaes 17 has tricycle landing gear$200 Entre 230 SC Giant Scale acrohatic plane spano 0 ft uses Ouadra engine Two plan sheets$1650 Block Beauty SC Slop-snaring racer has foam wing 3-ch SC spaes 114 in$750 Honey T SC Spoetnfer 2-3 channel SC spans 52 has adiustahle wing flaps$475 Weotleoti Whirlwind SC Sport Scele WW II twin-engined fighter fur 10-size engines spans 55 Two plan sheets$1150 Envoy CL Stunter 40/46 power spans 50 in$675 Poke Fnrd SC Sperteter three engines 3-ch SC Spans 50 Two plan sheets$575 Project P-13 PP Scale German WW II flyino wing pusher/tractor mhher power spans 26 in$325 Gee Bno S-i CL Profile sport flier fur 25 engines spans 36 in$475 Flight Aneingant Wheeled flight hoo carries lots Two plan sheets$11 SIt ComeS Jr Clipper Plus 30% SC Old-Timer oportoter engine 2-ch SC spans 48 in$650 Bonn Petto SC Semmnder-scale hipe 40180 engines spans 43 Two plae sheets$1050 Dowowolker PP Superlight Onlimited/Mulnihill ruhher-pnwered competition plane spans 42 in$400 Teocs Rat CL Another mggnd nersion Midwest Sport Sacer 40 engines spans 24 in$275 Hi-Tuck 2002 SC Caeand dusted-fan 45 engines spans 39 Two sheets$1000 KiSi Hem CL Mustly-cwdhnard spurt-scale WW II Japanese fighter foe 40 wgine spans 60 Two plan sheets$1150 Mios RJ SC World Champine FAI Pylon Sacer 40 neginos spaes 51 in$550 Swallow SC Lightweight hotdogger 40-size four-stroke negines spans 50 er$825 POY Catalina PP Skinny Scale Im two CO-2 motors Spans 32 AII-sheet-halsa constmctiun$325 Toonansi CL Profile scale spans 2t inches Allsheet-helen consterstern$225 Terrible Coupe PP Suhher-power Coupe dHiner spans 40 in$475 Boky Bird CL Tiny Stanter uses 049 diesel glow spew 34 in. has flaps$400 Ceosoa C-37 SC Schoolyard Scaler 1930s pIerre fnr 049/1 0 power 2-ch spans 42 in$500 1038 Challenger SC Texaco Old-Timer spans 47 Pun 049 engine 2-ch SC$550 Circle numbers plans wish order 193 332 454 499 508 515 522 529 239 386 457 500 509 516 523 530 262 414 460 502 510 517 524 531 302 438 465 503 511 518 525 532 310 440 470 505 512 519 526 533 314 444 478 506 513 520 527 534 326 447 490 507 514 521 528 535 536537 Plan price Includes firoS class postage tar US delivery IS Air Mail over 300 miies orders Bulside lbs US please add $250 Air Mail $125 surfaCe mail I Make check mocey order payable US funds Model Aviation CIO AMA 1810 Samuel Morse Dr RBsfon VA 22090 Please allow 3 6 weeks delivery Please print carefully Enclosed $ STREET STATE ZIP could use -in sq hard well model has short nose must keep tail light radio gear far forward possible model uses ignition Super Cyclone 60 ignition battery coil mounted up front helps servos mounted piece t/06 ply n balsa under-structure setup adds structural strength cabin area three servos rudder throttle elevator throttle miniature plastic bat handle switch hole drilled through handle pushrod wire use two solder grommets adjust proper throws two chargingjacks tray radio battery other ignition bat tery bent Vs wire hooks epoxied onto floor model use large rubberbands looped around wing pegs hold receiver batteries Ive using Otto Burnharts transistorized igni tion setup product No 77 markets about $25 drive unit two sub-C Ni-Cds requires no booster battery have ignition power need setup adds up 3-oz battery pack 1-oz coil ignition module pretty light trouble-free wing can problem suggest spars reinforced cut sizes down ed spars Y06 spruce top bottom think carbon fiber would super area would highly recommend area landing gear used 1 x -in plywood across fuselage both front back used rear brace pivot point landing gear nylon landing gear straps Goldberg 4-40 bolts blind nuts inside gear rests -in notch front used Yt dowel wrap rubberbands around creating swing-back gear very rugged original model showed Brown Jr engine fully cowled Ive used Super Cyclone much larger gives super climb 55-second engine run can climb model almost out sight opted replace cowl own half cowla hollow rear engine fairing makes clean design kept opening around engine tight clean could make Chet says likes cowl arrangement helps clean up nose thinks RC- 1 models built havent cowls Another suggestion put h-in plastic tube tail model under stab will used weight box adding removing lead shot can move CG around until get model balanced way want Nice able move CG forward windy day just removing weight model covered silk dope very strong weight Gen erally would suggest fabric coverings structure very light must stressed-skin covering feel whole structure would have beefed up 188 Model Aviation No 193 No 239 No 262 No 302 No 310 No 314 No 326 No 332 No 306 No 414 No 430 No 440 No 444 No 441 No 454 No 451 No 460 No 465 No 410 No 478 No 400 No 400 No 500 No 502 No 503 No 505 No 506 No 501 No 508 No 509 No 510 No 511 No 512 No 513 No 514 No 515 No 516 No 511 No 518 No 519 No 520 No 521 No 522 No 523 No 524 No 525 No 526 No 527 No 528 No 520 No 530 No 531 No 532 No 533 No 534
Edition: Model Aviation - 1986/12
Page Numbers: 106, 107, 108, 109, 110, 182, 184, 185, 186, 188
NO OCR TEXT Opposite page top Coming spot landing under radio control Chats own RC-1 settles like graceful bird 1934 year its birth such photo would have nearly impossible Nothing landed nearby including RC models nationwide could numbered fingers hand RC-1 SAM-approved Antique FP Opposite page bottom few seconds later Chet finishes slight S just prior two-wheel landing walk after session dead-stick soaring Above Coming after 5-mm soaring flight Chet removes propengine ballastand launches standard winch Youll find some fascinating techniques text cluding slight mods teacup hanger hook Chet watches wrinkles covering during launch eases off necessary Says might wish add auxIliary spar Lanzos co-author says has enough trouble just seeing plane flight much less wrinkles WHEN CHET LANZO WAS 20 half century ago created remarkably simple functional grace ful gas model superb flying ability contemporary famed Bassett designs KG Kovel-Orant published MAN 1 930s fact two designs Lanzos spiration attempted develop gas model own objective radiocontrolled flight name RC-l testi fies Sometime around 1934 story about Chet historic craft appeared Cleveland Press along excellent photo plane its creator newspapers lead-in read high-wing cabin monoplane 7-ft spread powThis flyby shows RC-1 elevatoron right Its enough though Chet notes model requiresvery little elevatorto responsive Modern-day spinner used starting ease ered gasoline engine capable 50 mph equipped radio controls may operated ground ambitious model airplane project de veloped Chester Lanzo Junior Aviator National Air Races article went relate Chet interested models 10 years already flown two large models recalled experience craft shops East End neighborhood house graduation East Technical High Chet begins takeoff roll RC-1 Covering red-colored silk black trim using butyrate dope Cutoff Important feature use glow set up carb throttle barrel cuts off air kills engine transmitter trim moved full idle December 1986 107 Left The ignition SuperCyclone installed Tom McCoys RC-1 McCoys own hand-carved 13 x4 based HA ThomasAir Trails article 19509 Note attachment rubbershock band landing gearto dowel sideofthe nose cheek Right Detailsof wire gear Thinner cross wires prevent splaying Cross section front one-piece leg free move down back restrained rubberband shocks both sides rear wire can pivot under three nylon strap fittings provide smooth yet sturdy landings Left Center servo operates ignition Kill switcn Mcloys snip Ball-links attach others square balsa pushroifS Battery pack rubberband-wrapped suspended front hold-down dowel two loops band Right Clevis rods have unthread end joined wire pushrod extensions via soldering connectors Stab airfoil 50%-thick Clark Y CG therefore 45 50% wing chord School studied aeronautical engineering peers abroad consider Chet worlds finest modelers achievements monumental know Chet will disapprove last two sen tences because self-effacing style humble guybut necessary say order account out-ofthe-blue events unfold below Lanzos 1937 Nats-winning RC seem ingly step backward configu ration forgotten 1934 plane display AMA Museum follows ancient Lanzo tradition stick-type wire cabane polyhedral Free Flights employed successfully RC Its primi tive radio now seems like something Ice Age course radio RC-1 never described goes back Dinosaurs Chet will talk about vintage Marconi may make loose words awareness RC- 1 began chance photo deBolt winning model Tom McCoy March 1986 Antenna Interupter Spark gap Model T auto Fordiii sparking coiI~ Tuning coil & 6 volt _con dens storage Signal key SPARK GAP TRANSMITTER issue able include item RC- 1 three-view drawing thanks both Tom Chet overwhelmed Chets invitation write RC- 1 story him feel profoundly honored have organized Chets comments precisely spoke questions understood eliminated permit Chet maximum space RC-1 approved Society Antique Modelers SAM 1982 compete its basic contest events authenticated desigu listed SAM Speaks accepted Antique Chets account 1934 put together RC-l first attempt radio controlling gasolineengine-powered model airplane am bitious project able launch gas model get air good height have reasonable flight return model vicinity launching siteall radio control sounded simple enough proved very substantial goaland easily attained competed rubber-powered events Nationals held Akron OH 108Model Aviation 1934 new ruling contest gas-powered models allowed compete against rubber-powered ones events such Moffet Mulvihill winner Texaco event made longest flight gas-powered model using new ruling limited amount fuel ound model weight Maxwell Bassett Philadelphia 1933 winner retained title flight 21 mm 57 sec Irwin Ohlsson Bill Atwood California See MA October 1986 Atwood flew two large approximately 9-ft-span gas-powered models Atwood designed gas engines both ships few gaspowered models unable climb high enough clear 1 2-story Goodyear dirigible air dock flew building engines running slid down its sides thought would great idea build gas job prevent fly-aways accidents controlling model radio What brave lad model airplane club Cleveland intrigued Brown Jr 60 engine just starting produced time Money sale several small Scale models built members club al lowed us purchase engines agreed club member would allowed use Brown short period time during year So designed built RC-1 7-ft-span cabin model waited turn use engine Brown Jr became available club fall 1934 could hardly wait get RC-l air Flying tests proved model very capable flying machine would climb steadily under power glide stable slow idea get model trimmed out bugs worked out before installing radio building models 10 yearsmostly rubber-pow ered Free Flight Scale Free Flight contest types what would now call Wakefield RC-1 provided good opportunity learn what Id need know further attempts produce successful flying controllable model indeed good starting point RC picture bleak 1934 did know anyone building built RC unit gas-powered model airplane fact some fellow mod elers considered bit unusual brought up subject Radio control equipment just did exist must remember gas-powered models flying about two years some very heavy radio equipment used control model boats lightplanes during WW amateur RC hobby composed few isolated experimenters using makeshift equipment produce successful models guided radio no minia ture components lightweight units avail able Parts radios extremely heavy Lightweight batteries werent availAntenna 3 V ignition battery Tuning coil 8 4j%condensor F Coherer-Glass tube 3 long filled mixture iron 8 silver file ings * gRudder actuator relay Clapper arm Airplane rudder tab Return spring Cable drive Rudder set right turn signal. left turn no signal COHERER TYPE RECEIVING UNIT able either receivers used filament high voltage plate bias batteries Most tubes being used high-drain fila ment type Beginnings model design design stems full-size cabin air planes flying could point design influential low throttle power landing stoogina viewed abovearound 2climbing turns tOaltitudeg-9l elongated fig 8stake off direction S turns looseitouch down oltitude 360 turns quicker losslanding Strip METHOD FOR LOOSING ALTITUDE FOR SMALL FIELD POWER-ON LANDINGS prepare landing alt 4A take offactivity I thermal landing strip METHOD USED FOR DEAD STICK LANDING ENGINE CUT OFF December 1986 109 LeT Hucky waiters prepares nis -n RC-1 ignition Orwick 60 version uses both flippers paper covered wed guess silkspan Chet says modern glow 45 can sustain near vertical climb aftertakeoff Right Tom McCoys lovely RC-1 famous among OldTimer fliers Lanzo saying Toms workmanship awes him ignition Super Cyke Toms 1000 sq bird has spectacular climb would greatest gas modeler time Maxwell Bassett RC-1 corporates lot 1933 cabin model design wingspan RC- 1 dictated 3-ft length balsa hand didnt like splice spars leading trailing edgesmade weakso used 3-ft tips added 1-ft center section give 7-ft span must have influenced other models mod elers some memories old times crystal clear others about 50 years old plans call silk covering make model durable long-lasting present-day RC original covered bamboo paper looked like blotting paper given three four coats heavy nitrate dope Butyrate available made tough inexpensive covering used silk could afford nitrate dope some what fuel-proof gas oil reason used black-pigmented nitrate dope front end engine compart ment Lacking bamboo paper wanted make tail sections lighter would use Japanese tissue double covering grain tissue cross ing right angles discourage puncture tears model RC-l design similar rubber-powered cabin-type models flying 1934 design philosophy time dictated airplanes have cowling over engine mess model cabin windshield windows side wing simple rectangle rounded tips conventional rudder elevator complete design -in-sq diagonals fuselage rigidity really necessary modem-day RC used Ambroid ce ment red-colored stuff also made homemade cement acetone cellu loid thought could eliminate heavy electrical equipment vacuum tubes batteries transformers relays would stand chance successful oper ation other words hoped simplify receiving end equipment thereby eliminate great deal weight coherer-type receiver its asso ciated spark-gap transmitter seemed fit requirements very satisfactorily simply detector relay-actuator combined engine ignition system bat teries power unit airborne equipment complete receiver turned out weigh less 8 oz transmitter simplicity itself Ford Model T spark coil 1923 vintage key pulse signal 6V auto storage battery made up bulk transmitter course also antenna tuned coil system Early radio tests RC- 1 very NQI COWL OPTIONAL LIFTS FROM FRONT & HINGED REAR ENGINE SET AT5T06 DOWNTHRIJGT rRIGHT REAR SPARFRONT SPAR NGTE REEF-SF SF REAR SPAR MIGHT NOT BE NEEDEDIo 0011 Inc colI 1THE RO-ONE I DESIGNED BY CHESTER D LANZO 11WINGSPANB4 INSWING AREAIOIO SQ INS 1POWER BROWN JR I/S HP 14 IN PROP 1iCOVERING SILK RED DOPE WITH BLACK TRIM 1 F 1 NI CA AT 43 TO 50% OF WINS CHORD FROM LE I__ WEIGHT GA OZG 4STAB Gin SCALE IN INCHESVSDOWELGLGNA 01 2 34 DRR10 1216DO24 RQIEFDRELEVATORCDNTRGL ____________________________________________________________[v32][b192130729400]]HINGE AS SAGAN 10 OaII 110 Model Aviation stable both powered flight glide Small movements rudder trimming would give nice large circle right left discovered model could handle additional eight receiver quite well built radio equipment bench-tested looked coherer receiver system viable method radio control although took lot fiddling fussing just get relay close stay closed eliminated gears motors devised very simple rudder control sys Continued page 182 THIS 1934 7 FREE FLIGHT DESIGN WAS ALSO FLOWN RC 4 ESIGN TAILORED HELICAL PITCH DEVELOPEOTOGIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALLTHELATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW DIAPITCH THP 1266778 136778 146778 1567 16678 PRICE 299 379 479 889 989 NEW PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10T020%INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCHPRICE 53/i34149 634149 72833456179 8334568189 845667199 9456677199 1045667209 106W8W209 106EW219 114677778229 115W229 11BEW239 1167239 124W279 125W279 1256279 1356349 1456459 1556659 164N969 16678969 RC PYLON RACING SERIES 500 DIA PITCH PRICE 7SN 5/N279 8I 677/8 299 SERIES 4000 86/s6777289 9777289 W WIDE BLADE EW EXTRA WIDE M MADAW Now available. either aluminum brass must epoxied place freewheel notch can cut file razor saw drive dog slips over back propeller engages blades glued propeller thus complies un modified prop rule Trimming flying Cyrano easy model trim trimming tech nique little unusual Work glide first mythical tall grass available use test glide over use softest substitute possible adjust ment available trim glide pitch CG Since no tail cannot change incidence advantage tail warps incidence cannot change ruin trim model glide adjusted adding clay nose model stalls tail glides too nose-down Turn can set small rudder tab trailing edge pylon sufficient small drag tab wing tip can also used Cyrano flies left-left pattern attempt fly right will spiral time Set power turn adjusting thrust line have found small amount left thrust usually re quired get good tight stall-free climb get left thrust either place shim under right side tail block sand away little left side fuselage tail block rests small amount downthrust may necessary control power stalling Cyrano wound hooking onto wire loop nose winder holder restrains model propeller Make absolutely sure freewheel notch has engaged propeller shaft before start winding holder will treated shaft run fingers will never forget Start text flights low power work up slowly maximum winds motor Cyrano 10-gram loop -in FAI rubber important weigh motors flying Cyrano Changing motor weight will change pitch trim airplane said before tailless models quite sensitive CG shifts Cymano easy model build has contest-winning performance worth building just watch ex pressions disbelief peoples faces cruises overhead Flying wings com petitive Try RC-1 /Lanzo-Winter Continued page 110 tem rewinding electromagnet Ford cut-out relay used com bination relay rudder operator placed extended arm clapper linked rudder two control strings control gave right turn against torque actuated left turn no signal no neutral equipment mounted plane engine nmning range very shortless 100 ft problem models ignition coil acting transmitter swamping signal ground-based transmitter Too bad glow plug engines available would say RC-1 should have considered successful RC model 1934 1935 tremendous success Free Flight model oould carry additional weight receivera quality contemporary models still aim flew RC-l local flying field never entered large contests retired after bad crackup should noted radio equipment shown nostalgic project useful RC setup coherer system works key transmitter pressed down sparking coil energized sends out continuous series sparks across spark gap resulting undamped electromag netic waves imposed across tuning coil oondenser tuned frequency waves sent out over air waves antenna antenna mounted model re ceives transmitted radio waves impressed tuning coil condenser also two end caps coherer coherer tube loosely filled about 50-5 0 mixture iron silver filings frequency signal impressed iron filings become magnetized stick together action also squeezes dispersed silver filings together decreases resistance across tube ends causing electrical current flow through ac tuatorContinued page 184 182 Model Aviation THE LEADER IN COM PETITION PROPELLERS ThE WORLDS VINTAGE SAILPLANES 1908-45 Martin Simons Hard hound 176 pages quality paper 248 beautiful black white photos plus 65 color plates nearly 100 finely detailed scale drawings magnifi cent collection rare information classic old-timers SPECIAL CONCESSION OFFER FROM THE PUBLISHER ONLY avail able readers send us 2 International Reply Coupons Ask Post Office will airmail free color brochure price details tell order write now KOOKADURRA TECHNICAL PUBLICATIONS Pty Ltd P0 Box 648 DandenonE 3175 Victoria Australia h -U I ri J actuator arm pulls giving rudder left run key released no signal being sent vibration Brown Jr engine transmitted coherer mounted engine firewall iron filings shaken loose way actuator circuit broken clearing system signal can received As can see receiver would operate engine running producing vibration necessary decohere receiver device similar doorbell ringer could have used rejected because weight Readers probably will recognize radio used early days wireless telegraphy before vacuum-type tube came use Modem-day kids prob ably dont know what vacuum tube either rudder actuator system described typical gear used nor used others couple years later what thought would workable unit time prove myself built another 1 2-ft-span model after RC-1 followed 9-ft-span sticktype plane hangs AMA Mu seum Reston VA None equip ment museum model similar what used RC- 1 am collecting some old type-30 tubes other RC equipment build duplicate receiver transmitter museum model does have proper receiver now Construction notes construction techniques shown plan OK Free Flight version building RC- 1 Radio Control may get heavy stunt loads wings suggest adding n spruce spars existing spars beef up increased stress Fuselage The conventional method stick construction fuselage has used numerous Old-Timer models looks flimsy difficult actually type construction incredibly strong its weight requires small amount experience building stickand-paper-type airplanes RG- 1 can successfully towed up 1000 ft using standard tow winch towline same manner modem Sailplane models Attach tow hook under belly airplane Use -inthick plywood insert fit inside body longerons crosspieces tow hook can made out simple bent-screw hook like cup hanger Install -in-sq hardwood reinforcing crosspieces hook inside fuselage hook should positioned about ard center gravity CG location CG incidentally should about one-third wing chord leading edge towline has parachute attached sure make inoperative wrapping rubber around Better yet remove chute entirely may easily caught landing gear happens flier will lot anxious con trolling trying bring model landing precaution take launching tow go easy power switch Small short pulses will job Watch upper surface model towed upward first few flights Wrinkling covering near dihedral joints will indicate over-stressing wing point must let up winch power switch prevent wing col lapse would recommend use ruce reinforcing spars wing intend winch-launching RC- 1 Remove prop place spinner shaft safety Ive made flights five minutes RC- 1 towed good weather Try Youll like Setting up RC- 1 flying Never fly downwind gliding Youll drift farther downwind tension will build open way mistakes model will eventually disappear leamed early days RC equipment unpredictable unreliable Gliding up wind can make kinds mistakes model will eventually drift right back you get model down its caught powerful thermal have no flaps spoilers dive brakes RC model best way get out rising currents air spin down stalled tum sure have plenty up elevator 1 50—and plenty rudder throw put spin pull back full stick full up elevator about two seconds later apply full left rudder will result tight left spin like put rudder elevator control righthand side transmitter controls throttle left attitude plane will spin down very nicely creasing its downward speed problem trying dive out large thermal giving down elevator speed will build up incredibly causing shredding wing tail producing high-speed flutter also possible snap wing pulling out high-speed dive no matter gently pull back stick practice stalled spin maneuver much possible youre under non-thermal conditions spin maneuver also very good youre caught cloud model disappears fluffy stuff Put stalled tum hold breath pretty soon will see model re appear can bring down safe altitude Heres way find elusive thermals RC-l youre glide Picture mind hot-air balloon floating air Its about 200 300 ft diameter about 500 ft high basket about 100 ft off ground balloon represents good-sized thermal its rising expanding same time have penetrate big column air has tough outer layer youll need hit head-on model will tend bounce off its tough hide deflected off side Watch RC-l very carefully will tell thermal Fly model straight ahead hands off controls notice model starting rise already thermal good changes course either right left tum back thermal until have penetrated Once inside thermal circle right left 50-ft circles same time applying small amount up trim elevator Just watch 184 Model Aviation NEW FOR 1987 CYCLONE SUPER 65 CLASSIC IGNITION ENGINES BIG BORE 647 CU IN DISPL Factory tested ready run md Display Box Coil Cond Lead Plug Owners Manual Parts List Cowl Decals Price $19950 plus $5 ship Credit price 21500 includes shipping MasterCard/Visa welcome ORDER NOW early delivery SUPER CYCLONE ENGINFS Box 26390 Phoenix Arizona 85068 602 870-3342 auto ans Dealers & Distributors Welcomed Phone 703 273-9593 FLYLINE MODELS INC PO Bex 2136 Peirfax VirgInia 22031 USA model climbs away its own seem get greatest pleasure out RC-l glide looking thermals Soar ing about silent flight idea ultimate RC flying Flying instructions Run engine bench good half hour until will start couple flips prop Work out a11 bugs install engine plane Check center gravity coincides position shown plans sport flying CG can moved forward 33% position one-third chord leading edge wing position will give stable setup beginning flier rearward position shown draw ings will give little less sinking speed small sacrifice longitudinal sta bility first test flight best made day sunny warm no wind light steady breeze like fly afternoon 4 pm until sundown wind down hot-rod fliers have left flying site enjoy being alonejust modelbut safety its best have someone along Adjust engine very low idle just enough pull move model over grass field Taxi around landing strip about two tanks gas get feel model controls Set model down middle takeoff area facing wind apply one-eighth one-quarter throttle model will taxi about 20 ft beoome airborne RC-1 should climb slowly steadily one-quarter throttle just relax enjoy ship gently climbs turns direction should fly straight level controls neutral lowest throttle setting can found engine large elevator area RC-1 almost impossible stall glide under low power easiest way land power shut off Bring model over landing strip downwind side about 20 ft altitude cut throttle model will glide using up 50 100 ft strip settle grass Just before touch down give tap up elevator true three-point semi-stalled landing Power-on landings low throttle can made just easily small amount down trim elevator RC-1 very gentle stable model under low throttle very difficult get trouble full throttle model becomes very active fast Hold rudder give full throttle let er go shell hop off ground 5 10 ft start climbing Add small amount down elevator near-vertical climb will continue until model almost Out sight 45 seconds engine run number ways RC- 1 may flown see sketches Climb 900 ft throttle back engine near idle anl bit right trim rudder RC-l will float around large circleshands off wouldnt hate bring down out graceful near zeropowered glide RC- 1 constructed shown slow-flying predictable sport-type model has flown Old-Timer compe K 5 titions suited Texaco Antique classes SAM events also does well limited-engine-run classes dont fly RC-1 Pattern events have lot fun trying beat modem RC models fun-fly event held local club Valley City RC Club Powered glow 45 engine RC-l takes off full-throttle nearvertical climb spectators gasp course nothing like flying done 1934 Since Chet has about 800 plans RC-1and because much interest arising its discovery magazine service will supply plans detailed full-size plans available $800 postage paid Chet Lanzo 1485 Lester Rd Valley City OH 44280 Tom McCoys mods RC-l Since McCoy specializes high-performance SAM FF-RC Assist evolved changes suit requirements pertaining wing construction have special significance sport RC fliers may indulge simple aerobatics use machine power winch Lanzo described JUST EW I4ORE FLIGRTS ACE AND ThEN ILL LET YOU FLY ER December 1986 185 Classic R/CSaleLAK5 TN D Wing 15 25 Engines ADVERTISERS INDEX 1 AMA Checks AMA Membershin AMA Mortgage Academy Aviatu Ace Radio Control Aero Plans N Aerodrome Models Airtronics American Jr Right Quay Barber Models Beer Can Bombers Bell Rock Industries Blue Ridge Machinery Brechin Enterprises Byron ariginals CH Electronics RC Products nell Tools Co elis Custom Kits Engine Imports aTaffinder sburn Mfg Hobbies Model Supply Elect ners Guide e Hobbies Designs Systems Corp. Diesel Developm Hobby Shop Products Inc ist Props Design Corp Supply Inc Master Aodels cale Models oducts Corp Amen n Products following quoted McCoys des cription As know RC- 1 rudderonly Free Flight model lot changes version begin SERS ometr irl Gc Golden Gorhai odels del Mfg nited ft Sons ion rn ay v lnternati ods Model Inc.. Sales Inc. J Sales . s Models Jolly Model Technical F raftsmanship Lind Co Models ucts Model Airplanes niel RC Service. sers Quality Model Mark o Model Engineering oX Expo Magic Products Rectifier Corp s Hobbies Products Inc. cts chnology ie Ent lymers Enterprises hinged stab second spar obvious elevator/stab break leading edge elevator elevator very large must moved very small arc model devil under power X ADVER n International Che n Valley Hobby Ce Products s Hobby cesion Built Models nress Mfg Co. ne Corp Digest ign Research stries South Tech International llsport y TG Industries e City Model Research Plans Photo RC Snap rock Competition Imp ns Hobby Shop Mfg Co Smith Industries Kraft Products Cyclone Engines Sweitzen Research Associ Products Co id Thompson RC Conft Rite Models Hobbies. Turn Engineei E Technical S indit Mfg Brothers Model Propeller Mfg Co Engines y Mfg Inc Aviation Marketing b solution dual rates works great dont have dual-rate radio careful move elevator /2 up down pushrod 3/6-rn sq carbon fiber reinforcement 186Model Aviation No 535 Atrix$725 RC Class D Sailplane spans 110 4-ch RC No 536 Cyrano II$325 FF P-30 Rubber flying wing canard spans 28 No 537 Cessna 206 Caravan$300 CL Sport Scale 02 electric power spans 37 U aD 0 CJ - eg 0 U0 -0 c3 stun 0 0 zao 0 000 0 r U 5 woo 2en So CU 0 5 j3 00 0 00 U 0 e 0 O5r C 0 U V 000 0 00 U 0 0 U U 0 mc 4 J 0 U 05 CITY N 00 l1 Stiletto CL Stunt model lMcOonaldl winnm 1976 1980 1982 PAl World Champs$375 BIoo Birds SC Ken Willards formation pIerre 4-cfranoel 10/15 power$375 Croshmostor Cf Crash-proof trainer two sizest 5/30 35/40 power$125 Mini P-lU SC Sarpolus 049 docted-fan sport flier 2-channel Balsa wings tail fone structure$275 1930 FloeS Bituloon SC Sport Scale 35/40 4-channel Wingspan 50 0 /n scale Twn sheets$625 Drake II SC Ken Willards flying hoot 3-chanwi 15-power fly land wdh remonahle gear5375 Toylor Cob SC Don Srulls Schoolyard-Scale 049s 2-3 channel Spans SOin6350 Zophyr SC Small 2-channel glider fun hand-launch tow thermal slope soaring$200 tenor 200 SC Sport Scale replica nf championship Aerohatic flier Uses 40 power 4-5 channel Two sheets91075 Bloctric Sparky C Electric-powered fun flier 05 mntor 3-channel SC scaled-up 1939 ruhher-power fanorite$050 Croinor PP Emhryo Endurance rohherpower fun ship has hig-model characteristics$200 Canolior SC Old-Timer-like now design has huge wing fnr easy flights 35 power 3 channels Two sheets91725 Firelseit SC Pusher canard spnrn/pa0ert 0000 40 puoher engine 4-channel Has swept-forward fnam wings$050 Mine Amonica SC Old-Timer Teoeco model 049 glow 2-channelsS050 Swoon P-30 PP Neat stickand-tissue Outdoor Sohher P-30-cless model contest-winner9200 Spoctra SC Electricpower 05size motor uses 3 different wings sport soaring aerohatics6700 4-40 SC Shoulder-wing sport flier 4-cycle 40-size engine 4 channels6050 Bloc Moe Ii BC Fun-fly oportnter 40-size engines spans 52 Lightweight structure$700 Stroker SC Mid-wing opnrtster uses 40/45 four-stroke engine opens Soyfi tail-dragger$650 Bottorcop SC Cute elfin sportster uses micro 2-ch SC pulse-rudder Spans 21 020/035 power$300 Weekender SC Low-wing spud flier 20-tize 4-stroke engine spans 47 in$575 4-SO SC Soc Mathews great sport flier 00-size four-stroker engine spans 70 Two sheets$t275 Fnkkor DVIII SC Sport Scale model WW f monoplane uses 90 four-stroke engine spans 03 Two sheets61000 Bill Wintors Vagabond PP Sport flier down-sized 02-powered aersion 1940s cehin plane Spans 33 in$225 Buzzkot SC Slopesoarer spans 60 in. uses 2 SC channels$750 P-38 Lightolog CL Sport Scale fighter spans 65 weigho 10 lh user twin 35s Two sheets$1175 Playnsoto SC Sport flier fur 3 SC channels t5/25-size engines spans 50 in$650 ltummiobird PP Hot cleos A/B competition plane own 05 Nets$750 0-258 CL Profile scale WW humher twin engines spans 30 in$400 Ronene 18 PP Hand-Launched Slider features cursed 10-in wing ItT$150 Stoospor PP Hand-Launched Slider has angular 10-in wing OT9150 F-iS CL profile scale fighter spaes 17 has tricycle landing gear$200 Entre 230 SC Giant Scale acrohatic plane spano 0 ft uses Ouadra engine Two plan sheets$1650 Block Beauty SC Slop-snaring racer has foam wing 3-ch SC spaes 114 in$750 Honey T SC Spoetnfer 2-3 channel SC spans 52 has adiustahle wing flaps$475 Weotleoti Whirlwind SC Sport Scele WW II twin-engined fighter fur 10-size engines spans 55 Two plan sheets$1150 Envoy CL Stunter 40/46 power spans 50 in$675 Poke Fnrd SC Sperteter three engines 3-ch SC Spans 50 Two plan sheets$575 Project P-13 PP Scale German WW II flyino wing pusher/tractor mhher power spans 26 in$325 Gee Bno S-i CL Profile sport flier fur 25 engines spans 36 in$475 Flight Aneingant Wheeled flight hoo carries lots Two plan sheets$11 SIt ComeS Jr Clipper Plus 30% SC Old-Timer oportoter engine 2-ch SC spans 48 in$650 Bonn Petto SC Semmnder-scale hipe 40180 engines spans 43 Two plae sheets$1050 Dowowolker PP Superlight Onlimited/Mulnihill ruhher-pnwered competition plane spans 42 in$400 Teocs Rat CL Another mggnd nersion Midwest Sport Sacer 40 engines spans 24 in$275 Hi-Tuck 2002 SC Caeand dusted-fan 45 engines spans 39 Two sheets$1000 KiSi Hem CL Mustly-cwdhnard spurt-scale WW II Japanese fighter foe 40 wgine spans 60 Two plan sheets$1150 Mios RJ SC World Champine FAI Pylon Sacer 40 neginos spaes 51 in$550 Swallow SC Lightweight hotdogger 40-size four-stroke negines spans 50 er$825 POY Catalina PP Skinny Scale Im two CO-2 motors Spans 32 AII-sheet-halsa constmctiun$325 Toonansi CL Profile scale spans 2t inches Allsheet-helen consterstern$225 Terrible Coupe PP Suhher-power Coupe dHiner spans 40 in$475 Boky Bird CL Tiny Stanter uses 049 diesel glow spew 34 in. has flaps$400 Ceosoa C-37 SC Schoolyard Scaler 1930s pIerre fnr 049/1 0 power 2-ch spans 42 in$500 1038 Challenger SC Texaco Old-Timer spans 47 Pun 049 engine 2-ch SC$550 Circle numbers plans wish order 193 332 454 499 508 515 522 529 239 386 457 500 509 516 523 530 262 414 460 502 510 517 524 531 302 438 465 503 511 518 525 532 310 440 470 505 512 519 526 533 314 444 478 506 513 520 527 534 326 447 490 507 514 521 528 535 536537 Plan price Includes firoS class postage tar US delivery IS Air Mail over 300 miies orders Bulside lbs US please add $250 Air Mail $125 surfaCe mail I Make check mocey order payable US funds Model Aviation CIO AMA 1810 Samuel Morse Dr RBsfon VA 22090 Please allow 3 6 weeks delivery Please print carefully Enclosed $ STREET STATE ZIP could use -in sq hard well model has short nose must keep tail light radio gear far forward possible model uses ignition Super Cyclone 60 ignition battery coil mounted up front helps servos mounted piece t/06 ply n balsa under-structure setup adds structural strength cabin area three servos rudder throttle elevator throttle miniature plastic bat handle switch hole drilled through handle pushrod wire use two solder grommets adjust proper throws two chargingjacks tray radio battery other ignition bat tery bent Vs wire hooks epoxied onto floor model use large rubberbands looped around wing pegs hold receiver batteries Ive using Otto Burnharts transistorized igni tion setup product No 77 markets about $25 drive unit two sub-C Ni-Cds requires no booster battery have ignition power need setup adds up 3-oz battery pack 1-oz coil ignition module pretty light trouble-free wing can problem suggest spars reinforced cut sizes down ed spars Y06 spruce top bottom think carbon fiber would super area would highly recommend area landing gear used 1 x -in plywood across fuselage both front back used rear brace pivot point landing gear nylon landing gear straps Goldberg 4-40 bolts blind nuts inside gear rests -in notch front used Yt dowel wrap rubberbands around creating swing-back gear very rugged original model showed Brown Jr engine fully cowled Ive used Super Cyclone much larger gives super climb 55-second engine run can climb model almost out sight opted replace cowl own half cowla hollow rear engine fairing makes clean design kept opening around engine tight clean could make Chet says likes cowl arrangement helps clean up nose thinks RC- 1 models built havent cowls Another suggestion put h-in plastic tube tail model under stab will used weight box adding removing lead shot can move CG around until get model balanced way want Nice able move CG forward windy day just removing weight model covered silk dope very strong weight Gen erally would suggest fabric coverings structure very light must stressed-skin covering feel whole structure would have beefed up 188 Model Aviation No 193 No 239 No 262 No 302 No 310 No 314 No 326 No 332 No 306 No 414 No 430 No 440 No 444 No 441 No 454 No 451 No 460 No 465 No 410 No 478 No 400 No 400 No 500 No 502 No 503 No 505 No 506 No 501 No 508 No 509 No 510 No 511 No 512 No 513 No 514 No 515 No 516 No 511 No 518 No 519 No 520 No 521 No 522 No 523 No 524 No 525 No 526 No 527 No 528 No 520 No 530 No 531 No 532 No 533 No 534
Edition: Model Aviation - 1986/12
Page Numbers: 106, 107, 108, 109, 110, 182, 184, 185, 186, 188
NO OCR TEXT Opposite page top Coming spot landing under radio control Chats own RC-1 settles like graceful bird 1934 year its birth such photo would have nearly impossible Nothing landed nearby including RC models nationwide could numbered fingers hand RC-1 SAM-approved Antique FP Opposite page bottom few seconds later Chet finishes slight S just prior two-wheel landing walk after session dead-stick soaring Above Coming after 5-mm soaring flight Chet removes propengine ballastand launches standard winch Youll find some fascinating techniques text cluding slight mods teacup hanger hook Chet watches wrinkles covering during launch eases off necessary Says might wish add auxIliary spar Lanzos co-author says has enough trouble just seeing plane flight much less wrinkles WHEN CHET LANZO WAS 20 half century ago created remarkably simple functional grace ful gas model superb flying ability contemporary famed Bassett designs KG Kovel-Orant published MAN 1 930s fact two designs Lanzos spiration attempted develop gas model own objective radiocontrolled flight name RC-l testi fies Sometime around 1934 story about Chet historic craft appeared Cleveland Press along excellent photo plane its creator newspapers lead-in read high-wing cabin monoplane 7-ft spread powThis flyby shows RC-1 elevatoron right Its enough though Chet notes model requiresvery little elevatorto responsive Modern-day spinner used starting ease ered gasoline engine capable 50 mph equipped radio controls may operated ground ambitious model airplane project de veloped Chester Lanzo Junior Aviator National Air Races article went relate Chet interested models 10 years already flown two large models recalled experience craft shops East End neighborhood house graduation East Technical High Chet begins takeoff roll RC-1 Covering red-colored silk black trim using butyrate dope Cutoff Important feature use glow set up carb throttle barrel cuts off air kills engine transmitter trim moved full idle December 1986 107 Left The ignition SuperCyclone installed Tom McCoys RC-1 McCoys own hand-carved 13 x4 based HA ThomasAir Trails article 19509 Note attachment rubbershock band landing gearto dowel sideofthe nose cheek Right Detailsof wire gear Thinner cross wires prevent splaying Cross section front one-piece leg free move down back restrained rubberband shocks both sides rear wire can pivot under three nylon strap fittings provide smooth yet sturdy landings Left Center servo operates ignition Kill switcn Mcloys snip Ball-links attach others square balsa pushroifS Battery pack rubberband-wrapped suspended front hold-down dowel two loops band Right Clevis rods have unthread end joined wire pushrod extensions via soldering connectors Stab airfoil 50%-thick Clark Y CG therefore 45 50% wing chord School studied aeronautical engineering peers abroad consider Chet worlds finest modelers achievements monumental know Chet will disapprove last two sen tences because self-effacing style humble guybut necessary say order account out-ofthe-blue events unfold below Lanzos 1937 Nats-winning RC seem ingly step backward configu ration forgotten 1934 plane display AMA Museum follows ancient Lanzo tradition stick-type wire cabane polyhedral Free Flights employed successfully RC Its primi tive radio now seems like something Ice Age course radio RC-1 never described goes back Dinosaurs Chet will talk about vintage Marconi may make loose words awareness RC- 1 began chance photo deBolt winning model Tom McCoy March 1986 Antenna Interupter Spark gap Model T auto Fordiii sparking coiI~ Tuning coil & 6 volt _con dens storage Signal key SPARK GAP TRANSMITTER issue able include item RC- 1 three-view drawing thanks both Tom Chet overwhelmed Chets invitation write RC- 1 story him feel profoundly honored have organized Chets comments precisely spoke questions understood eliminated permit Chet maximum space RC-1 approved Society Antique Modelers SAM 1982 compete its basic contest events authenticated desigu listed SAM Speaks accepted Antique Chets account 1934 put together RC-l first attempt radio controlling gasolineengine-powered model airplane am bitious project able launch gas model get air good height have reasonable flight return model vicinity launching siteall radio control sounded simple enough proved very substantial goaland easily attained competed rubber-powered events Nationals held Akron OH 108Model Aviation 1934 new ruling contest gas-powered models allowed compete against rubber-powered ones events such Moffet Mulvihill winner Texaco event made longest flight gas-powered model using new ruling limited amount fuel ound model weight Maxwell Bassett Philadelphia 1933 winner retained title flight 21 mm 57 sec Irwin Ohlsson Bill Atwood California See MA October 1986 Atwood flew two large approximately 9-ft-span gas-powered models Atwood designed gas engines both ships few gaspowered models unable climb high enough clear 1 2-story Goodyear dirigible air dock flew building engines running slid down its sides thought would great idea build gas job prevent fly-aways accidents controlling model radio What brave lad model airplane club Cleveland intrigued Brown Jr 60 engine just starting produced time Money sale several small Scale models built members club al lowed us purchase engines agreed club member would allowed use Brown short period time during year So designed built RC-1 7-ft-span cabin model waited turn use engine Brown Jr became available club fall 1934 could hardly wait get RC-l air Flying tests proved model very capable flying machine would climb steadily under power glide stable slow idea get model trimmed out bugs worked out before installing radio building models 10 yearsmostly rubber-pow ered Free Flight Scale Free Flight contest types what would now call Wakefield RC-1 provided good opportunity learn what Id need know further attempts produce successful flying controllable model indeed good starting point RC picture bleak 1934 did know anyone building built RC unit gas-powered model airplane fact some fellow mod elers considered bit unusual brought up subject Radio control equipment just did exist must remember gas-powered models flying about two years some very heavy radio equipment used control model boats lightplanes during WW amateur RC hobby composed few isolated experimenters using makeshift equipment produce successful models guided radio no minia ture components lightweight units avail able Parts radios extremely heavy Lightweight batteries werent availAntenna 3 V ignition battery Tuning coil 8 4j%condensor F Coherer-Glass tube 3 long filled mixture iron 8 silver file ings * gRudder actuator relay Clapper arm Airplane rudder tab Return spring Cable drive Rudder set right turn signal. left turn no signal COHERER TYPE RECEIVING UNIT able either receivers used filament high voltage plate bias batteries Most tubes being used high-drain fila ment type Beginnings model design design stems full-size cabin air planes flying could point design influential low throttle power landing stoogina viewed abovearound 2climbing turns tOaltitudeg-9l elongated fig 8stake off direction S turns looseitouch down oltitude 360 turns quicker losslanding Strip METHOD FOR LOOSING ALTITUDE FOR SMALL FIELD POWER-ON LANDINGS prepare landing alt 4A take offactivity I thermal landing strip METHOD USED FOR DEAD STICK LANDING ENGINE CUT OFF December 1986 109 LeT Hucky waiters prepares nis -n RC-1 ignition Orwick 60 version uses both flippers paper covered wed guess silkspan Chet says modern glow 45 can sustain near vertical climb aftertakeoff Right Tom McCoys lovely RC-1 famous among OldTimer fliers Lanzo saying Toms workmanship awes him ignition Super Cyke Toms 1000 sq bird has spectacular climb would greatest gas modeler time Maxwell Bassett RC-1 corporates lot 1933 cabin model design wingspan RC- 1 dictated 3-ft length balsa hand didnt like splice spars leading trailing edgesmade weakso used 3-ft tips added 1-ft center section give 7-ft span must have influenced other models mod elers some memories old times crystal clear others about 50 years old plans call silk covering make model durable long-lasting present-day RC original covered bamboo paper looked like blotting paper given three four coats heavy nitrate dope Butyrate available made tough inexpensive covering used silk could afford nitrate dope some what fuel-proof gas oil reason used black-pigmented nitrate dope front end engine compart ment Lacking bamboo paper wanted make tail sections lighter would use Japanese tissue double covering grain tissue cross ing right angles discourage puncture tears model RC-l design similar rubber-powered cabin-type models flying 1934 design philosophy time dictated airplanes have cowling over engine mess model cabin windshield windows side wing simple rectangle rounded tips conventional rudder elevator complete design -in-sq diagonals fuselage rigidity really necessary modem-day RC used Ambroid ce ment red-colored stuff also made homemade cement acetone cellu loid thought could eliminate heavy electrical equipment vacuum tubes batteries transformers relays would stand chance successful oper ation other words hoped simplify receiving end equipment thereby eliminate great deal weight coherer-type receiver its asso ciated spark-gap transmitter seemed fit requirements very satisfactorily simply detector relay-actuator combined engine ignition system bat teries power unit airborne equipment complete receiver turned out weigh less 8 oz transmitter simplicity itself Ford Model T spark coil 1923 vintage key pulse signal 6V auto storage battery made up bulk transmitter course also antenna tuned coil system Early radio tests RC- 1 very NQI COWL OPTIONAL LIFTS FROM FRONT & HINGED REAR ENGINE SET AT5T06 DOWNTHRIJGT rRIGHT REAR SPARFRONT SPAR NGTE REEF-SF SF REAR SPAR MIGHT NOT BE NEEDEDIo 0011 Inc colI 1THE RO-ONE I DESIGNED BY CHESTER D LANZO 11WINGSPANB4 INSWING AREAIOIO SQ INS 1POWER BROWN JR I/S HP 14 IN PROP 1iCOVERING SILK RED DOPE WITH BLACK TRIM 1 F 1 NI CA AT 43 TO 50% OF WINS CHORD FROM LE I__ WEIGHT GA OZG 4STAB Gin SCALE IN INCHESVSDOWELGLGNA 01 2 34 DRR10 1216DO24 RQIEFDRELEVATORCDNTRGL ____________________________________________________________[v32][b192130729400]]HINGE AS SAGAN 10 OaII 110 Model Aviation stable both powered flight glide Small movements rudder trimming would give nice large circle right left discovered model could handle additional eight receiver quite well built radio equipment bench-tested looked coherer receiver system viable method radio control although took lot fiddling fussing just get relay close stay closed eliminated gears motors devised very simple rudder control sys Continued page 182 THIS 1934 7 FREE FLIGHT DESIGN WAS ALSO FLOWN RC 4 ESIGN TAILORED HELICAL PITCH DEVELOPEOTOGIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALLTHELATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW DIAPITCH THP 1266778 136778 146778 1567 16678 PRICE 299 379 479 889 989 NEW PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10T020%INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCHPRICE 53/i34149 634149 72833456179 8334568189 845667199 9456677199 1045667209 106W8W209 106EW219 114677778229 115W229 11BEW239 1167239 124W279 125W279 1256279 1356349 1456459 1556659 164N969 16678969 RC PYLON RACING SERIES 500 DIA PITCH PRICE 7SN 5/N279 8I 677/8 299 SERIES 4000 86/s6777289 9777289 W WIDE BLADE EW EXTRA WIDE M MADAW Now available. either aluminum brass must epoxied place freewheel notch can cut file razor saw drive dog slips over back propeller engages blades glued propeller thus complies un modified prop rule Trimming flying Cyrano easy model trim trimming tech nique little unusual Work glide first mythical tall grass available use test glide over use softest substitute possible adjust ment available trim glide pitch CG Since no tail cannot change incidence advantage tail warps incidence cannot change ruin trim model glide adjusted adding clay nose model stalls tail glides too nose-down Turn can set small rudder tab trailing edge pylon sufficient small drag tab wing tip can also used Cyrano flies left-left pattern attempt fly right will spiral time Set power turn adjusting thrust line have found small amount left thrust usually re quired get good tight stall-free climb get left thrust either place shim under right side tail block sand away little left side fuselage tail block rests small amount downthrust may necessary control power stalling Cyrano wound hooking onto wire loop nose winder holder restrains model propeller Make absolutely sure freewheel notch has engaged propeller shaft before start winding holder will treated shaft run fingers will never forget Start text flights low power work up slowly maximum winds motor Cyrano 10-gram loop -in FAI rubber important weigh motors flying Cyrano Changing motor weight will change pitch trim airplane said before tailless models quite sensitive CG shifts Cymano easy model build has contest-winning performance worth building just watch ex pressions disbelief peoples faces cruises overhead Flying wings com petitive Try RC-1 /Lanzo-Winter Continued page 110 tem rewinding electromagnet Ford cut-out relay used com bination relay rudder operator placed extended arm clapper linked rudder two control strings control gave right turn against torque actuated left turn no signal no neutral equipment mounted plane engine nmning range very shortless 100 ft problem models ignition coil acting transmitter swamping signal ground-based transmitter Too bad glow plug engines available would say RC-1 should have considered successful RC model 1934 1935 tremendous success Free Flight model oould carry additional weight receivera quality contemporary models still aim flew RC-l local flying field never entered large contests retired after bad crackup should noted radio equipment shown nostalgic project useful RC setup coherer system works key transmitter pressed down sparking coil energized sends out continuous series sparks across spark gap resulting undamped electromag netic waves imposed across tuning coil oondenser tuned frequency waves sent out over air waves antenna antenna mounted model re ceives transmitted radio waves impressed tuning coil condenser also two end caps coherer coherer tube loosely filled about 50-5 0 mixture iron silver filings frequency signal impressed iron filings become magnetized stick together action also squeezes dispersed silver filings together decreases resistance across tube ends causing electrical current flow through ac tuatorContinued page 184 182 Model Aviation THE LEADER IN COM PETITION PROPELLERS ThE WORLDS VINTAGE SAILPLANES 1908-45 Martin Simons Hard hound 176 pages quality paper 248 beautiful black white photos plus 65 color plates nearly 100 finely detailed scale drawings magnifi cent collection rare information classic old-timers SPECIAL CONCESSION OFFER FROM THE PUBLISHER ONLY avail able readers send us 2 International Reply Coupons Ask Post Office will airmail free color brochure price details tell order write now KOOKADURRA TECHNICAL PUBLICATIONS Pty Ltd P0 Box 648 DandenonE 3175 Victoria Australia h -U I ri J actuator arm pulls giving rudder left run key released no signal being sent vibration Brown Jr engine transmitted coherer mounted engine firewall iron filings shaken loose way actuator circuit broken clearing system signal can received As can see receiver would operate engine running producing vibration necessary decohere receiver device similar doorbell ringer could have used rejected because weight Readers probably will recognize radio used early days wireless telegraphy before vacuum-type tube came use Modem-day kids prob ably dont know what vacuum tube either rudder actuator system described typical gear used nor used others couple years later what thought would workable unit time prove myself built another 1 2-ft-span model after RC-1 followed 9-ft-span sticktype plane hangs AMA Mu seum Reston VA None equip ment museum model similar what used RC- 1 am collecting some old type-30 tubes other RC equipment build duplicate receiver transmitter museum model does have proper receiver now Construction notes construction techniques shown plan OK Free Flight version building RC- 1 Radio Control may get heavy stunt loads wings suggest adding n spruce spars existing spars beef up increased stress Fuselage The conventional method stick construction fuselage has used numerous Old-Timer models looks flimsy difficult actually type construction incredibly strong its weight requires small amount experience building stickand-paper-type airplanes RG- 1 can successfully towed up 1000 ft using standard tow winch towline same manner modem Sailplane models Attach tow hook under belly airplane Use -inthick plywood insert fit inside body longerons crosspieces tow hook can made out simple bent-screw hook like cup hanger Install -in-sq hardwood reinforcing crosspieces hook inside fuselage hook should positioned about ard center gravity CG location CG incidentally should about one-third wing chord leading edge towline has parachute attached sure make inoperative wrapping rubber around Better yet remove chute entirely may easily caught landing gear happens flier will lot anxious con trolling trying bring model landing precaution take launching tow go easy power switch Small short pulses will job Watch upper surface model towed upward first few flights Wrinkling covering near dihedral joints will indicate over-stressing wing point must let up winch power switch prevent wing col lapse would recommend use ruce reinforcing spars wing intend winch-launching RC- 1 Remove prop place spinner shaft safety Ive made flights five minutes RC- 1 towed good weather Try Youll like Setting up RC- 1 flying Never fly downwind gliding Youll drift farther downwind tension will build open way mistakes model will eventually disappear leamed early days RC equipment unpredictable unreliable Gliding up wind can make kinds mistakes model will eventually drift right back you get model down its caught powerful thermal have no flaps spoilers dive brakes RC model best way get out rising currents air spin down stalled tum sure have plenty up elevator 1 50—and plenty rudder throw put spin pull back full stick full up elevator about two seconds later apply full left rudder will result tight left spin like put rudder elevator control righthand side transmitter controls throttle left attitude plane will spin down very nicely creasing its downward speed problem trying dive out large thermal giving down elevator speed will build up incredibly causing shredding wing tail producing high-speed flutter also possible snap wing pulling out high-speed dive no matter gently pull back stick practice stalled spin maneuver much possible youre under non-thermal conditions spin maneuver also very good youre caught cloud model disappears fluffy stuff Put stalled tum hold breath pretty soon will see model re appear can bring down safe altitude Heres way find elusive thermals RC-l youre glide Picture mind hot-air balloon floating air Its about 200 300 ft diameter about 500 ft high basket about 100 ft off ground balloon represents good-sized thermal its rising expanding same time have penetrate big column air has tough outer layer youll need hit head-on model will tend bounce off its tough hide deflected off side Watch RC-l very carefully will tell thermal Fly model straight ahead hands off controls notice model starting rise already thermal good changes course either right left tum back thermal until have penetrated Once inside thermal circle right left 50-ft circles same time applying small amount up trim elevator Just watch 184 Model Aviation NEW FOR 1987 CYCLONE SUPER 65 CLASSIC IGNITION ENGINES BIG BORE 647 CU IN DISPL Factory tested ready run md Display Box Coil Cond Lead Plug Owners Manual Parts List Cowl Decals Price $19950 plus $5 ship Credit price 21500 includes shipping MasterCard/Visa welcome ORDER NOW early delivery SUPER CYCLONE ENGINFS Box 26390 Phoenix Arizona 85068 602 870-3342 auto ans Dealers & Distributors Welcomed Phone 703 273-9593 FLYLINE MODELS INC PO Bex 2136 Peirfax VirgInia 22031 USA model climbs away its own seem get greatest pleasure out RC-l glide looking thermals Soar ing about silent flight idea ultimate RC flying Flying instructions Run engine bench good half hour until will start couple flips prop Work out a11 bugs install engine plane Check center gravity coincides position shown plans sport flying CG can moved forward 33% position one-third chord leading edge wing position will give stable setup beginning flier rearward position shown draw ings will give little less sinking speed small sacrifice longitudinal sta bility first test flight best made day sunny warm no wind light steady breeze like fly afternoon 4 pm until sundown wind down hot-rod fliers have left flying site enjoy being alonejust modelbut safety its best have someone along Adjust engine very low idle just enough pull move model over grass field Taxi around landing strip about two tanks gas get feel model controls Set model down middle takeoff area facing wind apply one-eighth one-quarter throttle model will taxi about 20 ft beoome airborne RC-1 should climb slowly steadily one-quarter throttle just relax enjoy ship gently climbs turns direction should fly straight level controls neutral lowest throttle setting can found engine large elevator area RC-1 almost impossible stall glide under low power easiest way land power shut off Bring model over landing strip downwind side about 20 ft altitude cut throttle model will glide using up 50 100 ft strip settle grass Just before touch down give tap up elevator true three-point semi-stalled landing Power-on landings low throttle can made just easily small amount down trim elevator RC-1 very gentle stable model under low throttle very difficult get trouble full throttle model becomes very active fast Hold rudder give full throttle let er go shell hop off ground 5 10 ft start climbing Add small amount down elevator near-vertical climb will continue until model almost Out sight 45 seconds engine run number ways RC- 1 may flown see sketches Climb 900 ft throttle back engine near idle anl bit right trim rudder RC-l will float around large circleshands off wouldnt hate bring down out graceful near zeropowered glide RC- 1 constructed shown slow-flying predictable sport-type model has flown Old-Timer compe K 5 titions suited Texaco Antique classes SAM events also does well limited-engine-run classes dont fly RC-1 Pattern events have lot fun trying beat modem RC models fun-fly event held local club Valley City RC Club Powered glow 45 engine RC-l takes off full-throttle nearvertical climb spectators gasp course nothing like flying done 1934 Since Chet has about 800 plans RC-1and because much interest arising its discovery magazine service will supply plans detailed full-size plans available $800 postage paid Chet Lanzo 1485 Lester Rd Valley City OH 44280 Tom McCoys mods RC-l Since McCoy specializes high-performance SAM FF-RC Assist evolved changes suit requirements pertaining wing construction have special significance sport RC fliers may indulge simple aerobatics use machine power winch Lanzo described JUST EW I4ORE FLIGRTS ACE AND ThEN ILL LET YOU FLY ER December 1986 185 Classic R/CSaleLAK5 TN D Wing 15 25 Engines ADVERTISERS INDEX 1 AMA Checks AMA Membershin AMA Mortgage Academy Aviatu Ace Radio Control Aero Plans N Aerodrome Models Airtronics American Jr Right Quay Barber Models Beer Can Bombers Bell Rock Industries Blue Ridge Machinery Brechin Enterprises Byron ariginals CH Electronics RC Products nell Tools Co elis Custom Kits Engine Imports aTaffinder sburn Mfg Hobbies Model Supply Elect ners Guide e Hobbies Designs Systems Corp. Diesel Developm Hobby Shop Products Inc ist Props Design Corp Supply Inc Master Aodels cale Models oducts Corp Amen n Products following quoted McCoys des cription As know RC- 1 rudderonly Free Flight model lot changes version begin SERS ometr irl Gc Golden Gorhai odels del Mfg nited ft Sons ion rn ay v lnternati ods Model Inc.. Sales Inc. J Sales . s Models Jolly Model Technical F raftsmanship Lind Co Models ucts Model Airplanes niel RC Service. sers Quality Model Mark o Model Engineering oX Expo Magic Products Rectifier Corp s Hobbies Products Inc. cts chnology ie Ent lymers Enterprises hinged stab second spar obvious elevator/stab break leading edge elevator elevator very large must moved very small arc model devil under power X ADVER n International Che n Valley Hobby Ce Products s Hobby cesion Built Models nress Mfg Co. ne Corp Digest ign Research stries South Tech International llsport y TG Industries e City Model Research Plans Photo RC Snap rock Competition Imp ns Hobby Shop Mfg Co Smith Industries Kraft Products Cyclone Engines Sweitzen Research Associ Products Co id Thompson RC Conft Rite Models Hobbies. Turn Engineei E Technical S indit Mfg Brothers Model Propeller Mfg Co Engines y Mfg Inc Aviation Marketing b solution dual rates works great dont have dual-rate radio careful move elevator /2 up down pushrod 3/6-rn sq carbon fiber reinforcement 186Model Aviation No 535 Atrix$725 RC Class D Sailplane spans 110 4-ch RC No 536 Cyrano II$325 FF P-30 Rubber flying wing canard spans 28 No 537 Cessna 206 Caravan$300 CL Sport Scale 02 electric power spans 37 U aD 0 CJ - eg 0 U0 -0 c3 stun 0 0 zao 0 000 0 r U 5 woo 2en So CU 0 5 j3 00 0 00 U 0 e 0 O5r C 0 U V 000 0 00 U 0 0 U U 0 mc 4 J 0 U 05 CITY N 00 l1 Stiletto CL Stunt model lMcOonaldl winnm 1976 1980 1982 PAl World Champs$375 BIoo Birds SC Ken Willards formation pIerre 4-cfranoel 10/15 power$375 Croshmostor Cf Crash-proof trainer two sizest 5/30 35/40 power$125 Mini P-lU SC Sarpolus 049 docted-fan sport flier 2-channel Balsa wings tail fone structure$275 1930 FloeS Bituloon SC Sport Scale 35/40 4-channel Wingspan 50 0 /n scale Twn sheets$625 Drake II SC Ken Willards flying hoot 3-chanwi 15-power fly land wdh remonahle gear5375 Toylor Cob SC Don Srulls Schoolyard-Scale 049s 2-3 channel Spans SOin6350 Zophyr SC Small 2-channel glider fun hand-launch tow thermal slope soaring$200 tenor 200 SC Sport Scale replica nf championship Aerohatic flier Uses 40 power 4-5 channel Two sheets91075 Bloctric Sparky C Electric-powered fun flier 05 mntor 3-channel SC scaled-up 1939 ruhher-power fanorite$050 Croinor PP Emhryo Endurance rohherpower fun ship has hig-model characteristics$200 Canolior SC Old-Timer-like now design has huge wing fnr easy flights 35 power 3 channels Two sheets91725 Firelseit SC Pusher canard spnrn/pa0ert 0000 40 puoher engine 4-channel Has swept-forward fnam wings$050 Mine Amonica SC Old-Timer Teoeco model 049 glow 2-channelsS050 Swoon P-30 PP Neat stickand-tissue Outdoor Sohher P-30-cless model contest-winner9200 Spoctra SC Electricpower 05size motor uses 3 different wings sport soaring aerohatics6700 4-40 SC Shoulder-wing sport flier 4-cycle 40-size engine 4 channels6050 Bloc Moe Ii BC Fun-fly oportnter 40-size engines spans 52 Lightweight structure$700 Stroker SC Mid-wing opnrtster uses 40/45 four-stroke engine opens Soyfi tail-dragger$650 Bottorcop SC Cute elfin sportster uses micro 2-ch SC pulse-rudder Spans 21 020/035 power$300 Weekender SC Low-wing spud flier 20-tize 4-stroke engine spans 47 in$575 4-SO SC Soc Mathews great sport flier 00-size four-stroker engine spans 70 Two sheets$t275 Fnkkor DVIII SC Sport Scale model WW f monoplane uses 90 four-stroke engine spans 03 Two sheets61000 Bill Wintors Vagabond PP Sport flier down-sized 02-powered aersion 1940s cehin plane Spans 33 in$225 Buzzkot SC Slopesoarer spans 60 in. uses 2 SC channels$750 P-38 Lightolog CL Sport Scale fighter spans 65 weigho 10 lh user twin 35s Two sheets$1175 Playnsoto SC Sport flier fur 3 SC channels t5/25-size engines spans 50 in$650 ltummiobird PP Hot cleos A/B competition plane own 05 Nets$750 0-258 CL Profile scale WW humher twin engines spans 30 in$400 Ronene 18 PP Hand-Launched Slider features cursed 10-in wing ItT$150 Stoospor PP Hand-Launched Slider has angular 10-in wing OT9150 F-iS CL profile scale fighter spaes 17 has tricycle landing gear$200 Entre 230 SC Giant Scale acrohatic plane spano 0 ft uses Ouadra engine Two plan sheets$1650 Block Beauty SC Slop-snaring racer has foam wing 3-ch SC spaes 114 in$750 Honey T SC Spoetnfer 2-3 channel SC spans 52 has adiustahle wing flaps$475 Weotleoti Whirlwind SC Sport Scele WW II twin-engined fighter fur 10-size engines spans 55 Two plan sheets$1150 Envoy CL Stunter 40/46 power spans 50 in$675 Poke Fnrd SC Sperteter three engines 3-ch SC Spans 50 Two plan sheets$575 Project P-13 PP Scale German WW II flyino wing pusher/tractor mhher power spans 26 in$325 Gee Bno S-i CL Profile sport flier fur 25 engines spans 36 in$475 Flight Aneingant Wheeled flight hoo carries lots Two plan sheets$11 SIt ComeS Jr Clipper Plus 30% SC Old-Timer oportoter engine 2-ch SC spans 48 in$650 Bonn Petto SC Semmnder-scale hipe 40180 engines spans 43 Two plae sheets$1050 Dowowolker PP Superlight Onlimited/Mulnihill ruhher-pnwered competition plane spans 42 in$400 Teocs Rat CL Another mggnd nersion Midwest Sport Sacer 40 engines spans 24 in$275 Hi-Tuck 2002 SC Caeand dusted-fan 45 engines spans 39 Two sheets$1000 KiSi Hem CL Mustly-cwdhnard spurt-scale WW II Japanese fighter foe 40 wgine spans 60 Two plan sheets$1150 Mios RJ SC World Champine FAI Pylon Sacer 40 neginos spaes 51 in$550 Swallow SC Lightweight hotdogger 40-size four-stroke negines spans 50 er$825 POY Catalina PP Skinny Scale Im two CO-2 motors Spans 32 AII-sheet-halsa constmctiun$325 Toonansi CL Profile scale spans 2t inches Allsheet-helen consterstern$225 Terrible Coupe PP Suhher-power Coupe dHiner spans 40 in$475 Boky Bird CL Tiny Stanter uses 049 diesel glow spew 34 in. has flaps$400 Ceosoa C-37 SC Schoolyard Scaler 1930s pIerre fnr 049/1 0 power 2-ch spans 42 in$500 1038 Challenger SC Texaco Old-Timer spans 47 Pun 049 engine 2-ch SC$550 Circle numbers plans wish order 193 332 454 499 508 515 522 529 239 386 457 500 509 516 523 530 262 414 460 502 510 517 524 531 302 438 465 503 511 518 525 532 310 440 470 505 512 519 526 533 314 444 478 506 513 520 527 534 326 447 490 507 514 521 528 535 536537 Plan price Includes firoS class postage tar US delivery IS Air Mail over 300 miies orders Bulside lbs US please add $250 Air Mail $125 surfaCe mail I Make check mocey order payable US funds Model Aviation CIO AMA 1810 Samuel Morse Dr RBsfon VA 22090 Please allow 3 6 weeks delivery Please print carefully Enclosed $ STREET STATE ZIP could use -in sq hard well model has short nose must keep tail light radio gear far forward possible model uses ignition Super Cyclone 60 ignition battery coil mounted up front helps servos mounted piece t/06 ply n balsa under-structure setup adds structural strength cabin area three servos rudder throttle elevator throttle miniature plastic bat handle switch hole drilled through handle pushrod wire use two solder grommets adjust proper throws two chargingjacks tray radio battery other ignition bat tery bent Vs wire hooks epoxied onto floor model use large rubberbands looped around wing pegs hold receiver batteries Ive using Otto Burnharts transistorized igni tion setup product No 77 markets about $25 drive unit two sub-C Ni-Cds requires no booster battery have ignition power need setup adds up 3-oz battery pack 1-oz coil ignition module pretty light trouble-free wing can problem suggest spars reinforced cut sizes down ed spars Y06 spruce top bottom think carbon fiber would super area would highly recommend area landing gear used 1 x -in plywood across fuselage both front back used rear brace pivot point landing gear nylon landing gear straps Goldberg 4-40 bolts blind nuts inside gear rests -in notch front used Yt dowel wrap rubberbands around creating swing-back gear very rugged original model showed Brown Jr engine fully cowled Ive used Super Cyclone much larger gives super climb 55-second engine run can climb model almost out sight opted replace cowl own half cowla hollow rear engine fairing makes clean design kept opening around engine tight clean could make Chet says likes cowl arrangement helps clean up nose thinks RC- 1 models built havent cowls Another suggestion put h-in plastic tube tail model under stab will used weight box adding removing lead shot can move CG around until get model balanced way want Nice able move CG forward windy day just removing weight model covered silk dope very strong weight Gen erally would suggest fabric coverings structure very light must stressed-skin covering feel whole structure would have beefed up 188 Model Aviation No 193 No 239 No 262 No 302 No 310 No 314 No 326 No 332 No 306 No 414 No 430 No 440 No 444 No 441 No 454 No 451 No 460 No 465 No 410 No 478 No 400 No 400 No 500 No 502 No 503 No 505 No 506 No 501 No 508 No 509 No 510 No 511 No 512 No 513 No 514 No 515 No 516 No 511 No 518 No 519 No 520 No 521 No 522 No 523 No 524 No 525 No 526 No 527 No 528 No 520 No 530 No 531 No 532 No 533 No 534