The Quarter-Scale General Aristocrat has flown momentous occasion November 8 Prestons plc enormous 25-lb bird Bill Winter Don Srull L-R behind wings taken week earlier weatherwasnt sufficiently cooperative Weve printed pictures before Aristocrat various stages construciton Winter says didnt really sink huge until covered painted First flight beautabsolutely perfect Takeoff two-thirds throttle Tartan engine cruise about half throttle Curiously first days flying Aristocrat didnt show need shock-absorbing landing gear Likely thats because light wing loading good pilotingnot case big birds future Possibly selective coupler rudder ailerons THE MOMENT truth hand time read -scale Aristocratfall weather permittingwill have flown Lets just say hope fly Perhaps majesty flight will rekindle interest big airplanes lifelong curse including six-foot Rubber Scale jobs nine-footerbut right now wed never again guys build lovely biggies take word almost folks master craftsmen Using ordinary techniques can have measure fun basic framework oh details fittings crudest design ragged reef tear out bottom Time slowed down things go forever Captain Ahab White Whale better alf calls Orca Having got far basic installation suggested Mad Test Pilot Don Srull since going have fun flying thing perhaps hed help push over edge its six months behind schedule gotten Hobby Lobby huge black bellcranks have rows holes installing cable point HLs Jim Martin realized no cable material go pulleys stuff stocks So added cables crimping tool etc lineas see now ads sent us samples 20- 30-lb test cable Once youve used cable youll settle nothing else smoothness definition control movements just incredible pushrod man So afternoon Mad Test Pilot sprayed itand uswhile steadied things solved strut problem using arrow shafts sandwiched between two pieces balsa routed-out bench saw doped Out fittings climbed few walls made struts lathe hand stuff like troublesome details almost beyond own ability relatively easy him added cables Since happened Airtronics systemservo reversing mysterious stuffhad just arrived decided Scenes Keystone RC Clubs First Annual Electric Fly Top Bob Kopskis 6-ft Stand-Off Scale J-3 Astro 15 belt-drive system 12-B prop Scratch-built simi lar Astro Porterfield Weighs 4 lb 6 oz has very realistic flight Middle Astro Partenavia Heinz Koerner has twin Astro 075s likes better twin 05 system de signed Has 10 12 amp-hr cells Above John Hickeys Soar Birdy glider modified Astro 075 Several members KRCC fly combinationrate highly remove existing system same time putting monster servos elevator rudder semi-monsters wing root ailerons Now something no talks about you have weight aileron servoand ailerons dont offset other weight-wise Consider dropon landing statically dynamically balanced receiver flew first 8-ft low wing Bill Hershberger calling test conditionsnot something faint hearted Far out high up approaches low antenna pointed tail nose ship build things think twice before opt dream ship much work will involvewhat rigging fittings would practical select ship its simplicity Today big daybut rained blew next shot two weeks off will eastern 10 Model Aviation 9wi&FJ tIu~ij2J e Bill Winter voiia aug nus uren N first tote sport retractabue wneels JacK Vari-Viggen stuff ducted-fan pusher Seetext Voiles thoughts/questions some RTFs Bill Winter has flying recently Top Left Winter hand-Isunching Goldberg Ranger 42 market yearsenjoys enviable reputation among foamies Great configurationnice gas electric especially good dont have run like Winter doing likes match flying speed Top Right Sleek looking Futaba Trainergoes straightas arrow grooves well Its 3-channelincludes Futaba AC system K&B 19 Above Left Smooth responsive excellent aileron trainer Flightcrafts Cardinal Sport 4-channel strip ailerons Futaba Flitecraft Winter gilded lily molding front back cabin fillets match wings Heres wrap wing center-section Saran Wrap strap wings mold fillets Sigs Epoxylite Shapes wet finger allowed set up rock-hard becomes tough filing job Above Right Close-up Cardinal Sport shows blending cabin wing virtually imperceptible John Preston pica weather hold Now October 24 Last night ran World Engines Tartan first time side-mounted right stacks pointing down carb top Primed pulled through three times off went first flip Five starts first flip have dire predictions points compassget engine youll never make Baloney engine idles responds well 5% nitro fuel used required bracing body hold back ship throttle opened Mad Test Pilot doubts wants open wide takeoff lead ballastdesigned balance certain popular engine weighs 1 pounds Tartanit weighs 25 lbs fueled Span 9 ft 4 chord 18 Prop Top Flite 18-6 will also try 20-6 Barring mechanical failure no way ship wont fly well indeed surprising finding no exhaust residue airplane raw fuel overflow under nose back gear No wiping So glow messy exhaust really blasts downward Fuel economy reason able fly before deadline issue therell word elsewhere statement will rouse natives positive hand-starting safer electric starter No way can get us press starter against prop have hand-started Cubs Airknockers home treat ing real airplanewhich Position prop about oclock having primed pulled through flipped no booster four fingers behind prop pull through mighty flip carrying arm hand through like golf strokefar away prop Kneel well back no loose clothing sure February 198111 FINAL WORD early retirement has blown out proportion wasnt squeezed out Headquarters staff gave great farewell get-together heartfelt regrets expressed over leaving would have retired January 1 1981 anyway Prior action has caused substantial loss income did leave did editorial conscience did allow live presidents column Mr Cain five years staff satisfies Headquarters people did deserve criticism re ceived during last two years wanted no What critic volun teers similar sacrifice So left realization elected Executive Council runs AMA president executive director Executive Council prevent use Model Aviation political purposesa crushing advantage incumbentswe would see lasting peace truth meantime Im happier write Just Fun rather accept pay printing poison would tear down what others have built upBILL WINTER helper has trunk well anchored think safest airplane have ever started half-As much nastier Wed rather build tapered wing now struts well leave bipes fire-eaters scratch-design -build work out drawings detail before start easily broken resolution example top rudder post fuselage point everything go through aeronautical Times Square six months project before figured out put together yet take apart Try think things out firsttake weeks months need Resolve youll last thing Consider shop tools dont have motor-driven jigsaw sander drill press youll rebuilding pyramids Should find metal parts need slotted drilled Lord knows what else know anyone can help Frankly wed recommend kit darn sure what kit Some guys dont favors some kits excellent Ask around Another factor what type plane real may look great racer example wing has less area loading airspeed go uplanding gets harder youll need mind-blowing shock arrange ments Any real airplane flaps will faster too because its area probably will less can make flaps work worth warned biggie like ordinary model truly home-built airplane demands finishedlike putting kid through college cant let go Having said weve talking yet another real ship span will come out less six feet quarter-scale no struts Thats human-size dimension can use cheaper popular engine recent Keystone RC Clubs First Annual Electric Fly club field Hatfield PA September 28 shook up Eastern troops interest electric has spreading us seem think indigenous West Coast Talking Bob Kopski leam 24 electric planes flew beautiful weather atmosphere casual fun KRC has 18 operational electrics club displays meet included Stand-Off Scale twin four engines simple aerobatics motor giiders Events best-looking plane longest flight time aerobatic sur prisesand Comp low-keyfun fortissimo Three years ago Bob electric flier club note some interesting things industry outdid itself prizes quite unexpectedly flyers sent Out about 50 clubs proved compara tively few people reached routethis deficiency will greatly reduced future So RCers turned out watch voice regret no electricsthat KRC already planning Second Annual predict major eastern event Missouri show-me state New Yorkand much Eastis takes East long time turn new inevitable things Bob says far action has out West decade will witness dominance electric Could be. KRC hoped see Just Fun Its fun believe climb band wagon alacrity Ye Olde Fairfax Glue Works has infiltratedmore months come debt Mr WP Welsh Technical Counseler FM Paris forthis information about old time modelers may recall last month made reference modelers going back Napoleonic Wars Alphonse Penaud made models 100 years ago has chosen FAI annual award bearing name under conditions laid down FAIs Internal Regulations course preceded George Cayley made rather basic model helicopter 1796 similar demonstrated 12 years earlier Mr Lamoy Mr Bienvenu before Academy Science Paris April 28 1784 Mr Welsh informs us However 1804 Cayley flew what generally recognized first successful flying model fitted movable weight often think control simple helicopterWW adjust center gravity 1809 scaled up glider capable carrying boy Another Frenchman Felix du Temple de Ia Croix regarded being first fly powered model about 1857 Mr Welsh goes small clockwork motor later replaced minute steam engine Well quote FAIs fact sheet Penaud award French pioneer born 1850 son admiral just admitted Naval College serious illness put end career sailor invalids chair observed flight sparrows devoted himself study heavier-than-air machine several small helicopters built him 18th August 1871 experimented model aero plane Planophore covered distance 60 meters 1 3 seconds thanks its rubber motor Finally 1876 Gauchot patented twin-propeller tailless aeroplane retractable undercarriage mono-controlled compensated control surfaces Having found no build machine very weakened illness despaired seeing work succeed committed suicide 1880 age 30 What prompted Mr Welsh supply enchanting information reading September ModelAviationit does get around compiling history aeromodeling correctly remarked ll no doubt serve introduction monumental task have undertaken will two books humbly advised Mr Welsh proferred assistance such task indeed too monumental us tackle think would dashing angels fear tread book would opinion take five years write would call contacts hard-to-find activists modern eraloosely speaking 1900 task force authors might manage would serious gaps says lot about hobby enjoy weekendContinued page 99 12 Model Aviation Heres look guidance engine com partments Rosa McMullens MRC Trainer Hawk made first flight insisted doing himselfpicturebook launch busy rudder never found throttle lever Survived hard way Preston plc MA Assistant Editor Ross McMullen removes booster lead MRC Trainer Hawk before first RC flight umpty-ump years Bill Winter wearing someones 1972 World Champs cap respect holds Rosa already buying servos take advantage 4-ch MRC radio second ship Boy girl constitute 25% McMullen brood Goeff Styles picture During Dist IVAMA Meeting John Blair lectured variety rubber jobs also flightdemonstrated big Mulvihill short-fused next Coupe P-30 table Flybaby Peanut 35-40 sec Old-Timer P-30 rules PiperCub Puss Moth CO-2 Cougar Leopard Moth Jumbo did 90 sec ease Meeting Greensboro NC Preston photo uper Mustier has just enough power haul around Norm Rosenstocks 1/4 Scale Waco Cabin Normistheguywhohadthe Church Midwing last monthand flew Winters Airknockerand Beam Rebelall years gave him backtheAlrknocker Both Norm Bill tried break RC dura tion record between 1958 1963 allday capability model theirfuel clogged Walker regulator flakes fiberglass 82-oz tank 21/2 hoursevery time Letters Editor Continued page 6 wing tip its new washout angle Use pot boiling water steam water-shrinkable materials heat gun MonoKote Coverite Check eye measurement see have warped tip same amount Other wise have will need make up difference aileron trim Its good idea check built-up wings time-to-time undesirable warps Gary B Brown Liverpool NY Worthy Recognition am writing because feel modeler has set tine example am much writer however can recount facts let judge man Ill talking about Ed Schwerkolt lives Bedford OH Ed like myself entered 1980 Nationals both flying Control Line Sport Scale Ed flying Spitfire retracts throttle engine cut-off Ed earned CL Flight Achievement Award plus 5th place however nothing compared what did crippled spectator contest flying taking place trying make adjustments improve scores young man wheeled over wheelchair dad Ed stopped doing thing just help explain eventand wonder wonders took lad put him center circle flew Spitfire just like being counted official score heart like gold Ed just shrugged off feat told him just watching dramatic event worth going Nats far important trophy Thanks listening love magazine Jim Deutsch Orange Village OH Fun/Winter Continued page 12 have letters chock-full ideas new crates useful comments things never thought beginning feel editorial pangs running miniature magazine Though cant use keep writing No other prop pulls biggie like DYNAT H RUST So far have able correspond onewhich makes us appreciate Frank Zaics monumental efforts producing incred ible yearbooks Jack Voiles 11359 Judy Dr Sterling Heights MI 48078 sends picture green machine afield box holds Sig Cadet conveni ent height odd thing about box has retractable landing gear simple toggle locks down transport retracts solid sup port field -in plywood Wholl first put flaps tote Like other guys write building Morris training tray October 1980 MA own linkage guys questions address Lt Col Bob Morris care editor hell answer directly Jack fell old trap flying out too far correcting right bank really left bank Sound familiar Now building Bridi Trainer 40 three inches span like because cant quite slow up sons enough him take over steer gently about Will have cowl rounded wing tips tail feathers flying stabilizer double-joint needle valve extension sounds good too Spring needle valve extensions turning 90 degrees rearward common years ago days carried Band Aids skinned knuckles Jack calls Skat Cat already has new passion Burt Rutans beautiful concepts have entranced Voiles tells us Did know has RC plans $475 Vari-Viggen 555 sq am planning ducted prop does 8-9 about 8000 rpm soundmaybe 4blade Jack studying prop theory librarywould like relate torque displace ment Asks ideas about helping him Now experience full motor potential Dynathrusts 100% accurate pitch airfoil Costs less buy fly because its unequaled durability 15 6 pitch $ 700 18 6 8 pitch $1000 20 8 10 pitch $1400 Prices include UPS charges MC 0 VISA C COD 0 CHECK C MO See dealer order direct 3I~STPRINc7IJ 2541 NE 11th Court Pompano Beach Florida 33062 1-305-941-9119 February 1981 99 Dealer Inquiries Invited IN STOCK FOR IMMEDIATE SHIPMENT New SUPER QUADRA $8995 BRISIGHELLA FLYWHEEL $10495 QUADRA REPAIR$1000 s KIORITZ engine 244 cuin$18995 Jim Messers ERCOUPE KIT$21995 Jim Messers TOMAHAWK KIT$23995 Concepts BIG FLEET KIT $17995 P&W RADIAL ENGINES Fleet $2995 FIBERGLASS COWL Fleet$1995 BALSA & BASSWOOD sizes 40% OFF 1/4 SCALE plans QUADRA ERCOUPE TOMAHAWK SKYBOLT$2195 SUPER STEARMAN Godfrey$2495 STARDUSTER TOO ighelia $2995 COCKPIT KiTSI Ercoupe T-Hawk $1500 Stearman Fleet F4U J-3 Cub$1850 ME-109 $1950 Citabria Nosen $2495 24-flour Service. $250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View DrAllegany NY 14706 MIKE MAS MJ MAS ENTERPRISES now offering totally new service helicopter enthosiastl One-stop shopping R/C Helicopter needs regardless what Youre flyingl discoont prices also offering free set-up flying instruction yours asking hane built flown analyzed enery major brand Helicopter anail able staff qualified answer guestions ranging installing train ing gear flying ship inverted Custom-built Helicopters include choice Helicopter Eng Radio Test Flown Limited Basisl AtA NATIONAL CHAMPION 1979 19611 Proudly Heads AMERICAN RIC HELICOPTERS FINE LINE OF HELICOPTERS COMMANDER Engine-off Landint LIST $38gg5 SPECIAL $32500 AMERICAN R/C HELICOPTER REVOLUTION II 60 SIZE LIST IAL $27995 MANTIS 40 POWERED HELICOPTER LIST $14995CALL FOR PACKAGE DEAL M J MAS ENTERPRISES P0 Box 727 Miami FL 33197 Phone 305 268-0658 21/4 Flywheel Small Magneto 15/8inSixBoll inum Hub Endorsed Don Godfrey Phone 607 722-1765 Points Sealed fn Rear Housing $189 Pre-Paid Orders Pay Shipping Dealer Inquiries Welcome L m t ed Pre-Drilled Props Available Ask About Custom Built KIORITZ Engines HELl-BOY HEADQUARTERS Sd-gLUTEn HELl- BOY 60 Size Re $38995 ONLY $34995 Sclsluter Helicopter Pasts Stock Including Pipes Fuselages Etc HE LI-BOY MAIN ROTOR BLADES Fast no 891Only $1595 ,Systeees 80 Dealer SPECIFICATIONS 242 CU 397cc 32HPat 8000 rpm Weight 61/2 lb Ball Bearings Crank Caged Rollers Rod Piston Pin Walbro Pump Garb 3 Ring Piston GIBBS HOBBY & RESEARCH 6195 HilIfield StNW NCANTON OHIO 44720 Phone216 499-8854 After 600 PM Accept Visa & Master Card NOW CARRYING THE IhhIS LINE OF FINE HELICOPTERS MODEL 505 MODEL 707 CALL FOR OUR LOW PRICES INSTRUCTIONAL TAPES NOW AVAILABLE Building Trimming C Flying Contest Flying Nonice no Espest * Autorotations setup Wractice Aerobatics/lnnerted Flight NEW FROM WORLD ENGINES ZENITH 40 POWERED HELICOPTER 5 HOUR CONSTRUCTION List $23995 SPECIAL Only $16995 Price Includes Extra Set Main Rotor j Tail Rotor BIade the address given above Personally wed opt high-rpm Schnuerledont think displacement alone relates torque job Superman second letter says loves Robart servo arms transfer linkage coil spring extension needle valve snapped off needle due vibration straight brass tube extension 4-40 socket head point missed coil spring extension can bent back anchored knob turns usual Have big Aristo crat because dont want amputated fingers modified Vari-Viggen offers formula PN V 1376 P h N V allows 233% slip What doing Half-way 6-ft Vaga bond RC-assist own old-timer FF Cleaner far big Sniffer will weigh 1 2 lbs less look forward first-class soaring Quite few have asked isnt registered Old-Timer werent sure dates now have established built 1942 Pond has plan Have scaled up Mad Test Pilots tiny foamie saw couple issues ago Its 11 inches finish will throw hat Kennedy gym 100 Model Aviation MJ MAS ENTERPRISES SPECIALISTS IN RC HELICOPTERS ENGINES BY Deep Fins ForCarb Needles &ThrottleGIBBS HOBBY & Optimum CoolingAccessible Engine Running RESEARCH Original Developer Factory Trained Authorized Master Service bad weather interrupted Winter about have John Preston test-f lythese diesel ized Davis enginesFox Eagle II left 05 60 Vehicle Prestons double-Sized Mid west Hustler Delta background really need big starter comfort though can started hand-flipping Preston photograph Maxecuters squadron Flying Aces make feel humble Build two days Inci dentally havent least built small ROG aint paid dues Putting together Pilot Model Sport-Ill K&B 19 19 25 trike version anticipate great things aileron low-wing using Airtronics new tiny servos small pack XL transmitter servoreversing capability linear exponential con trols so-called RF modelyou have some workits remarkable kit bowls over visitorsalmost worn Out showing Fuselage blue molded tough plastic wings tail built like best aerobatic jobs neatly covered white film hinge slots cut Great hardware recommend oneand rest line equal ship Pilot should coin pot full Only objection other small ships tried tiny wheels Good paved surfaces have use bigger wheels almost evcry thing grass Weve flown Krafts electric Cessna Chip munk electric dont get long lively flights gas both fly excellently good three minutes plus must use electric because flying conditions curious fine products Just careful long runout motor prolonged descent latter stages approach landing extended way since Chipmunks fly remarkably well recall recent comments MRCs 09 ver siontry bigger Midwest RF Weve urged Doug Pratt ModelRetailer put together both anticipate great flying Also satisfactorily flew MRCs Trainer Hawk Futabas trainer especially impressed Flitecrafts Cardinal Sport cabin 4-chan nels ailerons going machine groovy responsive great aileron trainer Interference proved rolled vertical corkscrew woods tore its way through giant trees came out virtually unscathed What could ask Manufacturer claims very aerobatic everything perfect ready-to-flies number sheet-balsa-covered wings finds tendency butted sheet lift slightly off foam can see seams proper light Veneer would cure Actually does affect performance find weve cut up wings Dremel jigsaw check bonding OK much foam very soft works slightly Noting wrinkle near root cabin model after flight afraid put up again home found wing could broken over knee soothe customers think some kind ajoiner would advisablethough isnt essential find grave fault plastic continuous rudder hinges hom bottom rudder will pry rudder askew Replace hinges mechanical type knocked off rudder just hooking up pushrod An easy fix Bob Bouchers Astro Flight Porterfield 6-ft Scale electric still before us Mad Test Pilot tempts us switch -scale Lacy Astros prop-drive 05 quite small acres wing area box straight edges Ugliness can beautiful well make ghost ship Out Porterfield 15 gas engine Also have original 6-ft Live Wire planan RC OldTimer have learn build faster Super Jet Hot Stuff course life savercuts time half between writing two modeling Continued page 103 Immediate delivery Send S 100 catalog products 44 TECHNOPOWERJI INC 1665OSOUTH 1O4thAVSNUEORLANDPAPKILLINOIS 60462 vy February 1981 101 Order Direct Only P0 BOX 687 DELAVAN IL 61734 VISA MASTERCHARGE PERSONAL CHECK OR MO CESS Perhaps need something bit outof-the ordinary scale competition Cessna 182 big stable aIrplane ideal scale trainer 40 engine Put 60 under cowl fly circles around competition rhe semi-symmetrical airfoil makes 182 groove yet its docile kitten total scale realism add optional flaps Trike gear pleasant ground handling kit allbalsa lots hardware molded parts speedy construction clear plans special illustrated construction booklet make kit anyone can build Kit features Span 72 Area 702 Sq 5-7 lbs flying weight 4 channel Power 40 60 181 _____________ Jack Armutrenus American Japanese Zero n Ouality card Stock Authentic semi-scale Reprints Remember Well Flew SEND SLID FLITE EtELI 620 NETILLE MIE 49066 books sundry articles aim really retire two yearsor soand build fly timeThebestlaidplansofmiceandmen Forgot 10-ft cardboard monster Whats happened FF CL guys Have given up Next month lots great CL George Aldrich Bill Winter 4330A Ito Vista Dr Fairfax VA 22030 Taylor Cub/SruII Continued page 19 leading trailing edges spars sq spruce webbed 1/32 balsa sheet far out strut attachment ribs After adding dihedral ply dihedral braces gussets form 1/32-in wire strut attach ment clips epoxy appropriate ribs Fit wing fuselage cabin top perfectly aligned drill bolt hold-down screw hole through wing cabin top plate time also epoxy ply hold-down clip wing spar wing still position fuselage make up two wing struts x / balsa After trimming fit well spot-glue aluminum tubing end pieces place slide brass strut-to-fuselage fitting slit V end strut Dont glue yet Slip struts place screw brass fittings fuselage attachment points After making sure wing lined up properly Hot Stuff brass clips place Remove struts reinforce fittings silk glue Covering finishing covered Cub medium-weight silkspan Light-weight silk would work well use low-shrink dope finishing keep warping minimum Plastic film covering could also used would probably provide lightest simplest covering finish possible would look scale-like model painted finish however case try keep weight down much possible pigmented dopes can build up weight very fast arent careful After covering silkspan water-shrunk cover ing brushed three thin coats thinned-down aluminum dopeto added small amount talcum powder filling dry areas carefully sanded 600 paper until smooth surface ready color obtained Finally wet coat aluminum dope sprayed trim areas masked off sprayed Sig Tennessee Red dope Two-inch diameter Banner wheels look about right think little durable Trexlers Make dummy cylinders scraps balsa paper tubing wire paint mixture black silver dope attach removable nose block Install favorite mini light-weight radio lets go fly Flying Make sure model balances little forward spars Check warps misalignments remove visible model weighed 18 ounces ready-to-fly performed best Cox Medalion engine overloaded 7-3 7-4 prop peaked out 6-3 6-4 prop models speed rate climb much too fast scale-likeand personal liking model type larger props muffler speed climb much scalelike graceful power reduced way however Cubs performance adequate fly almost restricted area Baseball fields corner schoolyard empty parking lots ready airports Cub Take word itthe Taylor E-2 Cub little can fuel starting battery can give much flying fun RC model ever have flown Enjoy writing advmtiumem mention reed about MA February 1981 103 OS MAX 61 FSR wnuttle $ 10800 delivered Rear Exhaust Same Price Call 408-274-1915. RAC Products 3200 Knightswood Way .*a Jose CA 95148 WEVE EXPANOEDI SCALE DRAWINGSPHOTOS BOOKLETS REPLA TECH NTERNA ONA CATALOGS $20048500 0CKSNZ 5 HW r AlTENTION QUADRA OWNERS! ra hard start because no really effective way choke Would like add solid 100-200 RPM top speed engine THEN CHECK THIS OUT Combination choke ram induction * Guarantees quick starting hand * Eliminates throttle spit * Allows use partial choke warm-up lute must Lectra-Starter * Install minutes extra servo pushrod cockpit * Eliminates using finger usually causes flooding * Doubles kill * Uses prop blast extra RPMs Send $1495 check money order Gardner-Burrell 6005 Cliff Drive Fort Smith Ark 72903 hh
Edition: Model Aviation - 1981/02
Page Numbers: 10, 11, 12, 99, 100, 101, 103
The Quarter-Scale General Aristocrat has flown momentous occasion November 8 Prestons plc enormous 25-lb bird Bill Winter Don Srull L-R behind wings taken week earlier weatherwasnt sufficiently cooperative Weve printed pictures before Aristocrat various stages construciton Winter says didnt really sink huge until covered painted First flight beautabsolutely perfect Takeoff two-thirds throttle Tartan engine cruise about half throttle Curiously first days flying Aristocrat didnt show need shock-absorbing landing gear Likely thats because light wing loading good pilotingnot case big birds future Possibly selective coupler rudder ailerons THE MOMENT truth hand time read -scale Aristocratfall weather permittingwill have flown Lets just say hope fly Perhaps majesty flight will rekindle interest big airplanes lifelong curse including six-foot Rubber Scale jobs nine-footerbut right now wed never again guys build lovely biggies take word almost folks master craftsmen Using ordinary techniques can have measure fun basic framework oh details fittings crudest design ragged reef tear out bottom Time slowed down things go forever Captain Ahab White Whale better alf calls Orca Having got far basic installation suggested Mad Test Pilot Don Srull since going have fun flying thing perhaps hed help push over edge its six months behind schedule gotten Hobby Lobby huge black bellcranks have rows holes installing cable point HLs Jim Martin realized no cable material go pulleys stuff stocks So added cables crimping tool etc lineas see now ads sent us samples 20- 30-lb test cable Once youve used cable youll settle nothing else smoothness definition control movements just incredible pushrod man So afternoon Mad Test Pilot sprayed itand uswhile steadied things solved strut problem using arrow shafts sandwiched between two pieces balsa routed-out bench saw doped Out fittings climbed few walls made struts lathe hand stuff like troublesome details almost beyond own ability relatively easy him added cables Since happened Airtronics systemservo reversing mysterious stuffhad just arrived decided Scenes Keystone RC Clubs First Annual Electric Fly Top Bob Kopskis 6-ft Stand-Off Scale J-3 Astro 15 belt-drive system 12-B prop Scratch-built simi lar Astro Porterfield Weighs 4 lb 6 oz has very realistic flight Middle Astro Partenavia Heinz Koerner has twin Astro 075s likes better twin 05 system de signed Has 10 12 amp-hr cells Above John Hickeys Soar Birdy glider modified Astro 075 Several members KRCC fly combinationrate highly remove existing system same time putting monster servos elevator rudder semi-monsters wing root ailerons Now something no talks about you have weight aileron servoand ailerons dont offset other weight-wise Consider dropon landing statically dynamically balanced receiver flew first 8-ft low wing Bill Hershberger calling test conditionsnot something faint hearted Far out high up approaches low antenna pointed tail nose ship build things think twice before opt dream ship much work will involvewhat rigging fittings would practical select ship its simplicity Today big daybut rained blew next shot two weeks off will eastern 10 Model Aviation 9wi&FJ tIu~ij2J e Bill Winter voiia aug nus uren N first tote sport retractabue wneels JacK Vari-Viggen stuff ducted-fan pusher Seetext Voiles thoughts/questions some RTFs Bill Winter has flying recently Top Left Winter hand-Isunching Goldberg Ranger 42 market yearsenjoys enviable reputation among foamies Great configurationnice gas electric especially good dont have run like Winter doing likes match flying speed Top Right Sleek looking Futaba Trainergoes straightas arrow grooves well Its 3-channelincludes Futaba AC system K&B 19 Above Left Smooth responsive excellent aileron trainer Flightcrafts Cardinal Sport 4-channel strip ailerons Futaba Flitecraft Winter gilded lily molding front back cabin fillets match wings Heres wrap wing center-section Saran Wrap strap wings mold fillets Sigs Epoxylite Shapes wet finger allowed set up rock-hard becomes tough filing job Above Right Close-up Cardinal Sport shows blending cabin wing virtually imperceptible John Preston pica weather hold Now October 24 Last night ran World Engines Tartan first time side-mounted right stacks pointing down carb top Primed pulled through three times off went first flip Five starts first flip have dire predictions points compassget engine youll never make Baloney engine idles responds well 5% nitro fuel used required bracing body hold back ship throttle opened Mad Test Pilot doubts wants open wide takeoff lead ballastdesigned balance certain popular engine weighs 1 pounds Tartanit weighs 25 lbs fueled Span 9 ft 4 chord 18 Prop Top Flite 18-6 will also try 20-6 Barring mechanical failure no way ship wont fly well indeed surprising finding no exhaust residue airplane raw fuel overflow under nose back gear No wiping So glow messy exhaust really blasts downward Fuel economy reason able fly before deadline issue therell word elsewhere statement will rouse natives positive hand-starting safer electric starter No way can get us press starter against prop have hand-started Cubs Airknockers home treat ing real airplanewhich Position prop about oclock having primed pulled through flipped no booster four fingers behind prop pull through mighty flip carrying arm hand through like golf strokefar away prop Kneel well back no loose clothing sure February 198111 FINAL WORD early retirement has blown out proportion wasnt squeezed out Headquarters staff gave great farewell get-together heartfelt regrets expressed over leaving would have retired January 1 1981 anyway Prior action has caused substantial loss income did leave did editorial conscience did allow live presidents column Mr Cain five years staff satisfies Headquarters people did deserve criticism re ceived during last two years wanted no What critic volun teers similar sacrifice So left realization elected Executive Council runs AMA president executive director Executive Council prevent use Model Aviation political purposesa crushing advantage incumbentswe would see lasting peace truth meantime Im happier write Just Fun rather accept pay printing poison would tear down what others have built upBILL WINTER helper has trunk well anchored think safest airplane have ever started half-As much nastier Wed rather build tapered wing now struts well leave bipes fire-eaters scratch-design -build work out drawings detail before start easily broken resolution example top rudder post fuselage point everything go through aeronautical Times Square six months project before figured out put together yet take apart Try think things out firsttake weeks months need Resolve youll last thing Consider shop tools dont have motor-driven jigsaw sander drill press youll rebuilding pyramids Should find metal parts need slotted drilled Lord knows what else know anyone can help Frankly wed recommend kit darn sure what kit Some guys dont favors some kits excellent Ask around Another factor what type plane real may look great racer example wing has less area loading airspeed go uplanding gets harder youll need mind-blowing shock arrange ments Any real airplane flaps will faster too because its area probably will less can make flaps work worth warned biggie like ordinary model truly home-built airplane demands finishedlike putting kid through college cant let go Having said weve talking yet another real ship span will come out less six feet quarter-scale no struts Thats human-size dimension can use cheaper popular engine recent Keystone RC Clubs First Annual Electric Fly club field Hatfield PA September 28 shook up Eastern troops interest electric has spreading us seem think indigenous West Coast Talking Bob Kopski leam 24 electric planes flew beautiful weather atmosphere casual fun KRC has 18 operational electrics club displays meet included Stand-Off Scale twin four engines simple aerobatics motor giiders Events best-looking plane longest flight time aerobatic sur prisesand Comp low-keyfun fortissimo Three years ago Bob electric flier club note some interesting things industry outdid itself prizes quite unexpectedly flyers sent Out about 50 clubs proved compara tively few people reached routethis deficiency will greatly reduced future So RCers turned out watch voice regret no electricsthat KRC already planning Second Annual predict major eastern event Missouri show-me state New Yorkand much Eastis takes East long time turn new inevitable things Bob says far action has out West decade will witness dominance electric Could be. KRC hoped see Just Fun Its fun believe climb band wagon alacrity Ye Olde Fairfax Glue Works has infiltratedmore months come debt Mr WP Welsh Technical Counseler FM Paris forthis information about old time modelers may recall last month made reference modelers going back Napoleonic Wars Alphonse Penaud made models 100 years ago has chosen FAI annual award bearing name under conditions laid down FAIs Internal Regulations course preceded George Cayley made rather basic model helicopter 1796 similar demonstrated 12 years earlier Mr Lamoy Mr Bienvenu before Academy Science Paris April 28 1784 Mr Welsh informs us However 1804 Cayley flew what generally recognized first successful flying model fitted movable weight often think control simple helicopterWW adjust center gravity 1809 scaled up glider capable carrying boy Another Frenchman Felix du Temple de Ia Croix regarded being first fly powered model about 1857 Mr Welsh goes small clockwork motor later replaced minute steam engine Well quote FAIs fact sheet Penaud award French pioneer born 1850 son admiral just admitted Naval College serious illness put end career sailor invalids chair observed flight sparrows devoted himself study heavier-than-air machine several small helicopters built him 18th August 1871 experimented model aero plane Planophore covered distance 60 meters 1 3 seconds thanks its rubber motor Finally 1876 Gauchot patented twin-propeller tailless aeroplane retractable undercarriage mono-controlled compensated control surfaces Having found no build machine very weakened illness despaired seeing work succeed committed suicide 1880 age 30 What prompted Mr Welsh supply enchanting information reading September ModelAviationit does get around compiling history aeromodeling correctly remarked ll no doubt serve introduction monumental task have undertaken will two books humbly advised Mr Welsh proferred assistance such task indeed too monumental us tackle think would dashing angels fear tread book would opinion take five years write would call contacts hard-to-find activists modern eraloosely speaking 1900 task force authors might manage would serious gaps says lot about hobby enjoy weekendContinued page 99 12 Model Aviation Heres look guidance engine com partments Rosa McMullens MRC Trainer Hawk made first flight insisted doing himselfpicturebook launch busy rudder never found throttle lever Survived hard way Preston plc MA Assistant Editor Ross McMullen removes booster lead MRC Trainer Hawk before first RC flight umpty-ump years Bill Winter wearing someones 1972 World Champs cap respect holds Rosa already buying servos take advantage 4-ch MRC radio second ship Boy girl constitute 25% McMullen brood Goeff Styles picture During Dist IVAMA Meeting John Blair lectured variety rubber jobs also flightdemonstrated big Mulvihill short-fused next Coupe P-30 table Flybaby Peanut 35-40 sec Old-Timer P-30 rules PiperCub Puss Moth CO-2 Cougar Leopard Moth Jumbo did 90 sec ease Meeting Greensboro NC Preston photo uper Mustier has just enough power haul around Norm Rosenstocks 1/4 Scale Waco Cabin Normistheguywhohadthe Church Midwing last monthand flew Winters Airknockerand Beam Rebelall years gave him backtheAlrknocker Both Norm Bill tried break RC dura tion record between 1958 1963 allday capability model theirfuel clogged Walker regulator flakes fiberglass 82-oz tank 21/2 hoursevery time Letters Editor Continued page 6 wing tip its new washout angle Use pot boiling water steam water-shrinkable materials heat gun MonoKote Coverite Check eye measurement see have warped tip same amount Other wise have will need make up difference aileron trim Its good idea check built-up wings time-to-time undesirable warps Gary B Brown Liverpool NY Worthy Recognition am writing because feel modeler has set tine example am much writer however can recount facts let judge man Ill talking about Ed Schwerkolt lives Bedford OH Ed like myself entered 1980 Nationals both flying Control Line Sport Scale Ed flying Spitfire retracts throttle engine cut-off Ed earned CL Flight Achievement Award plus 5th place however nothing compared what did crippled spectator contest flying taking place trying make adjustments improve scores young man wheeled over wheelchair dad Ed stopped doing thing just help explain eventand wonder wonders took lad put him center circle flew Spitfire just like being counted official score heart like gold Ed just shrugged off feat told him just watching dramatic event worth going Nats far important trophy Thanks listening love magazine Jim Deutsch Orange Village OH Fun/Winter Continued page 12 have letters chock-full ideas new crates useful comments things never thought beginning feel editorial pangs running miniature magazine Though cant use keep writing No other prop pulls biggie like DYNAT H RUST So far have able correspond onewhich makes us appreciate Frank Zaics monumental efforts producing incred ible yearbooks Jack Voiles 11359 Judy Dr Sterling Heights MI 48078 sends picture green machine afield box holds Sig Cadet conveni ent height odd thing about box has retractable landing gear simple toggle locks down transport retracts solid sup port field -in plywood Wholl first put flaps tote Like other guys write building Morris training tray October 1980 MA own linkage guys questions address Lt Col Bob Morris care editor hell answer directly Jack fell old trap flying out too far correcting right bank really left bank Sound familiar Now building Bridi Trainer 40 three inches span like because cant quite slow up sons enough him take over steer gently about Will have cowl rounded wing tips tail feathers flying stabilizer double-joint needle valve extension sounds good too Spring needle valve extensions turning 90 degrees rearward common years ago days carried Band Aids skinned knuckles Jack calls Skat Cat already has new passion Burt Rutans beautiful concepts have entranced Voiles tells us Did know has RC plans $475 Vari-Viggen 555 sq am planning ducted prop does 8-9 about 8000 rpm soundmaybe 4blade Jack studying prop theory librarywould like relate torque displace ment Asks ideas about helping him Now experience full motor potential Dynathrusts 100% accurate pitch airfoil Costs less buy fly because its unequaled durability 15 6 pitch $ 700 18 6 8 pitch $1000 20 8 10 pitch $1400 Prices include UPS charges MC 0 VISA C COD 0 CHECK C MO See dealer order direct 3I~STPRINc7IJ 2541 NE 11th Court Pompano Beach Florida 33062 1-305-941-9119 February 1981 99 Dealer Inquiries Invited IN STOCK FOR IMMEDIATE SHIPMENT New SUPER QUADRA $8995 BRISIGHELLA FLYWHEEL $10495 QUADRA REPAIR$1000 s KIORITZ engine 244 cuin$18995 Jim Messers ERCOUPE KIT$21995 Jim Messers TOMAHAWK KIT$23995 Concepts BIG FLEET KIT $17995 P&W RADIAL ENGINES Fleet $2995 FIBERGLASS COWL Fleet$1995 BALSA & BASSWOOD sizes 40% OFF 1/4 SCALE plans QUADRA ERCOUPE TOMAHAWK SKYBOLT$2195 SUPER STEARMAN Godfrey$2495 STARDUSTER TOO ighelia $2995 COCKPIT KiTSI Ercoupe T-Hawk $1500 Stearman Fleet F4U J-3 Cub$1850 ME-109 $1950 Citabria Nosen $2495 24-flour Service. $250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View DrAllegany NY 14706 MIKE MAS MJ MAS ENTERPRISES now offering totally new service helicopter enthosiastl One-stop shopping R/C Helicopter needs regardless what Youre flyingl discoont prices also offering free set-up flying instruction yours asking hane built flown analyzed enery major brand Helicopter anail able staff qualified answer guestions ranging installing train ing gear flying ship inverted Custom-built Helicopters include choice Helicopter Eng Radio Test Flown Limited Basisl AtA NATIONAL CHAMPION 1979 19611 Proudly Heads AMERICAN RIC HELICOPTERS FINE LINE OF HELICOPTERS COMMANDER Engine-off Landint LIST $38gg5 SPECIAL $32500 AMERICAN R/C HELICOPTER REVOLUTION II 60 SIZE LIST IAL $27995 MANTIS 40 POWERED HELICOPTER LIST $14995CALL FOR PACKAGE DEAL M J MAS ENTERPRISES P0 Box 727 Miami FL 33197 Phone 305 268-0658 21/4 Flywheel Small Magneto 15/8inSixBoll inum Hub Endorsed Don Godfrey Phone 607 722-1765 Points Sealed fn Rear Housing $189 Pre-Paid Orders Pay Shipping Dealer Inquiries Welcome L m t ed Pre-Drilled Props Available Ask About Custom Built KIORITZ Engines HELl-BOY HEADQUARTERS Sd-gLUTEn HELl- BOY 60 Size Re $38995 ONLY $34995 Sclsluter Helicopter Pasts Stock Including Pipes Fuselages Etc HE LI-BOY MAIN ROTOR BLADES Fast no 891Only $1595 ,Systeees 80 Dealer SPECIFICATIONS 242 CU 397cc 32HPat 8000 rpm Weight 61/2 lb Ball Bearings Crank Caged Rollers Rod Piston Pin Walbro Pump Garb 3 Ring Piston GIBBS HOBBY & RESEARCH 6195 HilIfield StNW NCANTON OHIO 44720 Phone216 499-8854 After 600 PM Accept Visa & Master Card NOW CARRYING THE IhhIS LINE OF FINE HELICOPTERS MODEL 505 MODEL 707 CALL FOR OUR LOW PRICES INSTRUCTIONAL TAPES NOW AVAILABLE Building Trimming C Flying Contest Flying Nonice no Espest * Autorotations setup Wractice Aerobatics/lnnerted Flight NEW FROM WORLD ENGINES ZENITH 40 POWERED HELICOPTER 5 HOUR CONSTRUCTION List $23995 SPECIAL Only $16995 Price Includes Extra Set Main Rotor j Tail Rotor BIade the address given above Personally wed opt high-rpm Schnuerledont think displacement alone relates torque job Superman second letter says loves Robart servo arms transfer linkage coil spring extension needle valve snapped off needle due vibration straight brass tube extension 4-40 socket head point missed coil spring extension can bent back anchored knob turns usual Have big Aristo crat because dont want amputated fingers modified Vari-Viggen offers formula PN V 1376 P h N V allows 233% slip What doing Half-way 6-ft Vaga bond RC-assist own old-timer FF Cleaner far big Sniffer will weigh 1 2 lbs less look forward first-class soaring Quite few have asked isnt registered Old-Timer werent sure dates now have established built 1942 Pond has plan Have scaled up Mad Test Pilots tiny foamie saw couple issues ago Its 11 inches finish will throw hat Kennedy gym 100 Model Aviation MJ MAS ENTERPRISES SPECIALISTS IN RC HELICOPTERS ENGINES BY Deep Fins ForCarb Needles &ThrottleGIBBS HOBBY & Optimum CoolingAccessible Engine Running RESEARCH Original Developer Factory Trained Authorized Master Service bad weather interrupted Winter about have John Preston test-f lythese diesel ized Davis enginesFox Eagle II left 05 60 Vehicle Prestons double-Sized Mid west Hustler Delta background really need big starter comfort though can started hand-flipping Preston photograph Maxecuters squadron Flying Aces make feel humble Build two days Inci dentally havent least built small ROG aint paid dues Putting together Pilot Model Sport-Ill K&B 19 19 25 trike version anticipate great things aileron low-wing using Airtronics new tiny servos small pack XL transmitter servoreversing capability linear exponential con trols so-called RF modelyou have some workits remarkable kit bowls over visitorsalmost worn Out showing Fuselage blue molded tough plastic wings tail built like best aerobatic jobs neatly covered white film hinge slots cut Great hardware recommend oneand rest line equal ship Pilot should coin pot full Only objection other small ships tried tiny wheels Good paved surfaces have use bigger wheels almost evcry thing grass Weve flown Krafts electric Cessna Chip munk electric dont get long lively flights gas both fly excellently good three minutes plus must use electric because flying conditions curious fine products Just careful long runout motor prolonged descent latter stages approach landing extended way since Chipmunks fly remarkably well recall recent comments MRCs 09 ver siontry bigger Midwest RF Weve urged Doug Pratt ModelRetailer put together both anticipate great flying Also satisfactorily flew MRCs Trainer Hawk Futabas trainer especially impressed Flitecrafts Cardinal Sport cabin 4-chan nels ailerons going machine groovy responsive great aileron trainer Interference proved rolled vertical corkscrew woods tore its way through giant trees came out virtually unscathed What could ask Manufacturer claims very aerobatic everything perfect ready-to-flies number sheet-balsa-covered wings finds tendency butted sheet lift slightly off foam can see seams proper light Veneer would cure Actually does affect performance find weve cut up wings Dremel jigsaw check bonding OK much foam very soft works slightly Noting wrinkle near root cabin model after flight afraid put up again home found wing could broken over knee soothe customers think some kind ajoiner would advisablethough isnt essential find grave fault plastic continuous rudder hinges hom bottom rudder will pry rudder askew Replace hinges mechanical type knocked off rudder just hooking up pushrod An easy fix Bob Bouchers Astro Flight Porterfield 6-ft Scale electric still before us Mad Test Pilot tempts us switch -scale Lacy Astros prop-drive 05 quite small acres wing area box straight edges Ugliness can beautiful well make ghost ship Out Porterfield 15 gas engine Also have original 6-ft Live Wire planan RC OldTimer have learn build faster Super Jet Hot Stuff course life savercuts time half between writing two modeling Continued page 103 Immediate delivery Send S 100 catalog products 44 TECHNOPOWERJI INC 1665OSOUTH 1O4thAVSNUEORLANDPAPKILLINOIS 60462 vy February 1981 101 Order Direct Only P0 BOX 687 DELAVAN IL 61734 VISA MASTERCHARGE PERSONAL CHECK OR MO CESS Perhaps need something bit outof-the ordinary scale competition Cessna 182 big stable aIrplane ideal scale trainer 40 engine Put 60 under cowl fly circles around competition rhe semi-symmetrical airfoil makes 182 groove yet its docile kitten total scale realism add optional flaps Trike gear pleasant ground handling kit allbalsa lots hardware molded parts speedy construction clear plans special illustrated construction booklet make kit anyone can build Kit features Span 72 Area 702 Sq 5-7 lbs flying weight 4 channel Power 40 60 181 _____________ Jack Armutrenus American Japanese Zero n Ouality card Stock Authentic semi-scale Reprints Remember Well Flew SEND SLID FLITE EtELI 620 NETILLE MIE 49066 books sundry articles aim really retire two yearsor soand build fly timeThebestlaidplansofmiceandmen Forgot 10-ft cardboard monster Whats happened FF CL guys Have given up Next month lots great CL George Aldrich Bill Winter 4330A Ito Vista Dr Fairfax VA 22030 Taylor Cub/SruII Continued page 19 leading trailing edges spars sq spruce webbed 1/32 balsa sheet far out strut attachment ribs After adding dihedral ply dihedral braces gussets form 1/32-in wire strut attach ment clips epoxy appropriate ribs Fit wing fuselage cabin top perfectly aligned drill bolt hold-down screw hole through wing cabin top plate time also epoxy ply hold-down clip wing spar wing still position fuselage make up two wing struts x / balsa After trimming fit well spot-glue aluminum tubing end pieces place slide brass strut-to-fuselage fitting slit V end strut Dont glue yet Slip struts place screw brass fittings fuselage attachment points After making sure wing lined up properly Hot Stuff brass clips place Remove struts reinforce fittings silk glue Covering finishing covered Cub medium-weight silkspan Light-weight silk would work well use low-shrink dope finishing keep warping minimum Plastic film covering could also used would probably provide lightest simplest covering finish possible would look scale-like model painted finish however case try keep weight down much possible pigmented dopes can build up weight very fast arent careful After covering silkspan water-shrunk cover ing brushed three thin coats thinned-down aluminum dopeto added small amount talcum powder filling dry areas carefully sanded 600 paper until smooth surface ready color obtained Finally wet coat aluminum dope sprayed trim areas masked off sprayed Sig Tennessee Red dope Two-inch diameter Banner wheels look about right think little durable Trexlers Make dummy cylinders scraps balsa paper tubing wire paint mixture black silver dope attach removable nose block Install favorite mini light-weight radio lets go fly Flying Make sure model balances little forward spars Check warps misalignments remove visible model weighed 18 ounces ready-to-fly performed best Cox Medalion engine overloaded 7-3 7-4 prop peaked out 6-3 6-4 prop models speed rate climb much too fast scale-likeand personal liking model type larger props muffler speed climb much scalelike graceful power reduced way however Cubs performance adequate fly almost restricted area Baseball fields corner schoolyard empty parking lots ready airports Cub Take word itthe Taylor E-2 Cub little can fuel starting battery can give much flying fun RC model ever have flown Enjoy writing advmtiumem mention reed about MA February 1981 103 OS MAX 61 FSR wnuttle $ 10800 delivered Rear Exhaust Same Price Call 408-274-1915. RAC Products 3200 Knightswood Way .*a Jose CA 95148 WEVE EXPANOEDI SCALE DRAWINGSPHOTOS BOOKLETS REPLA TECH NTERNA ONA CATALOGS $20048500 0CKSNZ 5 HW r AlTENTION QUADRA OWNERS! ra hard start because no really effective way choke Would like add solid 100-200 RPM top speed engine THEN CHECK THIS OUT Combination choke ram induction * Guarantees quick starting hand * Eliminates throttle spit * Allows use partial choke warm-up lute must Lectra-Starter * Install minutes extra servo pushrod cockpit * Eliminates using finger usually causes flooding * Doubles kill * Uses prop blast extra RPMs Send $1495 check money order Gardner-Burrell 6005 Cliff Drive Fort Smith Ark 72903 hh
Edition: Model Aviation - 1981/02
Page Numbers: 10, 11, 12, 99, 100, 101, 103
The Quarter-Scale General Aristocrat has flown momentous occasion November 8 Prestons plc enormous 25-lb bird Bill Winter Don Srull L-R behind wings taken week earlier weatherwasnt sufficiently cooperative Weve printed pictures before Aristocrat various stages construciton Winter says didnt really sink huge until covered painted First flight beautabsolutely perfect Takeoff two-thirds throttle Tartan engine cruise about half throttle Curiously first days flying Aristocrat didnt show need shock-absorbing landing gear Likely thats because light wing loading good pilotingnot case big birds future Possibly selective coupler rudder ailerons THE MOMENT truth hand time read -scale Aristocratfall weather permittingwill have flown Lets just say hope fly Perhaps majesty flight will rekindle interest big airplanes lifelong curse including six-foot Rubber Scale jobs nine-footerbut right now wed never again guys build lovely biggies take word almost folks master craftsmen Using ordinary techniques can have measure fun basic framework oh details fittings crudest design ragged reef tear out bottom Time slowed down things go forever Captain Ahab White Whale better alf calls Orca Having got far basic installation suggested Mad Test Pilot Don Srull since going have fun flying thing perhaps hed help push over edge its six months behind schedule gotten Hobby Lobby huge black bellcranks have rows holes installing cable point HLs Jim Martin realized no cable material go pulleys stuff stocks So added cables crimping tool etc lineas see now ads sent us samples 20- 30-lb test cable Once youve used cable youll settle nothing else smoothness definition control movements just incredible pushrod man So afternoon Mad Test Pilot sprayed itand uswhile steadied things solved strut problem using arrow shafts sandwiched between two pieces balsa routed-out bench saw doped Out fittings climbed few walls made struts lathe hand stuff like troublesome details almost beyond own ability relatively easy him added cables Since happened Airtronics systemservo reversing mysterious stuffhad just arrived decided Scenes Keystone RC Clubs First Annual Electric Fly Top Bob Kopskis 6-ft Stand-Off Scale J-3 Astro 15 belt-drive system 12-B prop Scratch-built simi lar Astro Porterfield Weighs 4 lb 6 oz has very realistic flight Middle Astro Partenavia Heinz Koerner has twin Astro 075s likes better twin 05 system de signed Has 10 12 amp-hr cells Above John Hickeys Soar Birdy glider modified Astro 075 Several members KRCC fly combinationrate highly remove existing system same time putting monster servos elevator rudder semi-monsters wing root ailerons Now something no talks about you have weight aileron servoand ailerons dont offset other weight-wise Consider dropon landing statically dynamically balanced receiver flew first 8-ft low wing Bill Hershberger calling test conditionsnot something faint hearted Far out high up approaches low antenna pointed tail nose ship build things think twice before opt dream ship much work will involvewhat rigging fittings would practical select ship its simplicity Today big daybut rained blew next shot two weeks off will eastern 10 Model Aviation 9wi&FJ tIu~ij2J e Bill Winter voiia aug nus uren N first tote sport retractabue wneels JacK Vari-Viggen stuff ducted-fan pusher Seetext Voiles thoughts/questions some RTFs Bill Winter has flying recently Top Left Winter hand-Isunching Goldberg Ranger 42 market yearsenjoys enviable reputation among foamies Great configurationnice gas electric especially good dont have run like Winter doing likes match flying speed Top Right Sleek looking Futaba Trainergoes straightas arrow grooves well Its 3-channelincludes Futaba AC system K&B 19 Above Left Smooth responsive excellent aileron trainer Flightcrafts Cardinal Sport 4-channel strip ailerons Futaba Flitecraft Winter gilded lily molding front back cabin fillets match wings Heres wrap wing center-section Saran Wrap strap wings mold fillets Sigs Epoxylite Shapes wet finger allowed set up rock-hard becomes tough filing job Above Right Close-up Cardinal Sport shows blending cabin wing virtually imperceptible John Preston pica weather hold Now October 24 Last night ran World Engines Tartan first time side-mounted right stacks pointing down carb top Primed pulled through three times off went first flip Five starts first flip have dire predictions points compassget engine youll never make Baloney engine idles responds well 5% nitro fuel used required bracing body hold back ship throttle opened Mad Test Pilot doubts wants open wide takeoff lead ballastdesigned balance certain popular engine weighs 1 pounds Tartanit weighs 25 lbs fueled Span 9 ft 4 chord 18 Prop Top Flite 18-6 will also try 20-6 Barring mechanical failure no way ship wont fly well indeed surprising finding no exhaust residue airplane raw fuel overflow under nose back gear No wiping So glow messy exhaust really blasts downward Fuel economy reason able fly before deadline issue therell word elsewhere statement will rouse natives positive hand-starting safer electric starter No way can get us press starter against prop have hand-started Cubs Airknockers home treat ing real airplanewhich Position prop about oclock having primed pulled through flipped no booster four fingers behind prop pull through mighty flip carrying arm hand through like golf strokefar away prop Kneel well back no loose clothing sure February 198111 FINAL WORD early retirement has blown out proportion wasnt squeezed out Headquarters staff gave great farewell get-together heartfelt regrets expressed over leaving would have retired January 1 1981 anyway Prior action has caused substantial loss income did leave did editorial conscience did allow live presidents column Mr Cain five years staff satisfies Headquarters people did deserve criticism re ceived during last two years wanted no What critic volun teers similar sacrifice So left realization elected Executive Council runs AMA president executive director Executive Council prevent use Model Aviation political purposesa crushing advantage incumbentswe would see lasting peace truth meantime Im happier write Just Fun rather accept pay printing poison would tear down what others have built upBILL WINTER helper has trunk well anchored think safest airplane have ever started half-As much nastier Wed rather build tapered wing now struts well leave bipes fire-eaters scratch-design -build work out drawings detail before start easily broken resolution example top rudder post fuselage point everything go through aeronautical Times Square six months project before figured out put together yet take apart Try think things out firsttake weeks months need Resolve youll last thing Consider shop tools dont have motor-driven jigsaw sander drill press youll rebuilding pyramids Should find metal parts need slotted drilled Lord knows what else know anyone can help Frankly wed recommend kit darn sure what kit Some guys dont favors some kits excellent Ask around Another factor what type plane real may look great racer example wing has less area loading airspeed go uplanding gets harder youll need mind-blowing shock arrange ments Any real airplane flaps will faster too because its area probably will less can make flaps work worth warned biggie like ordinary model truly home-built airplane demands finishedlike putting kid through college cant let go Having said weve talking yet another real ship span will come out less six feet quarter-scale no struts Thats human-size dimension can use cheaper popular engine recent Keystone RC Clubs First Annual Electric Fly club field Hatfield PA September 28 shook up Eastern troops interest electric has spreading us seem think indigenous West Coast Talking Bob Kopski leam 24 electric planes flew beautiful weather atmosphere casual fun KRC has 18 operational electrics club displays meet included Stand-Off Scale twin four engines simple aerobatics motor giiders Events best-looking plane longest flight time aerobatic sur prisesand Comp low-keyfun fortissimo Three years ago Bob electric flier club note some interesting things industry outdid itself prizes quite unexpectedly flyers sent Out about 50 clubs proved compara tively few people reached routethis deficiency will greatly reduced future So RCers turned out watch voice regret no electricsthat KRC already planning Second Annual predict major eastern event Missouri show-me state New Yorkand much Eastis takes East long time turn new inevitable things Bob says far action has out West decade will witness dominance electric Could be. KRC hoped see Just Fun Its fun believe climb band wagon alacrity Ye Olde Fairfax Glue Works has infiltratedmore months come debt Mr WP Welsh Technical Counseler FM Paris forthis information about old time modelers may recall last month made reference modelers going back Napoleonic Wars Alphonse Penaud made models 100 years ago has chosen FAI annual award bearing name under conditions laid down FAIs Internal Regulations course preceded George Cayley made rather basic model helicopter 1796 similar demonstrated 12 years earlier Mr Lamoy Mr Bienvenu before Academy Science Paris April 28 1784 Mr Welsh informs us However 1804 Cayley flew what generally recognized first successful flying model fitted movable weight often think control simple helicopterWW adjust center gravity 1809 scaled up glider capable carrying boy Another Frenchman Felix du Temple de Ia Croix regarded being first fly powered model about 1857 Mr Welsh goes small clockwork motor later replaced minute steam engine Well quote FAIs fact sheet Penaud award French pioneer born 1850 son admiral just admitted Naval College serious illness put end career sailor invalids chair observed flight sparrows devoted himself study heavier-than-air machine several small helicopters built him 18th August 1871 experimented model aero plane Planophore covered distance 60 meters 1 3 seconds thanks its rubber motor Finally 1876 Gauchot patented twin-propeller tailless aeroplane retractable undercarriage mono-controlled compensated control surfaces Having found no build machine very weakened illness despaired seeing work succeed committed suicide 1880 age 30 What prompted Mr Welsh supply enchanting information reading September ModelAviationit does get around compiling history aeromodeling correctly remarked ll no doubt serve introduction monumental task have undertaken will two books humbly advised Mr Welsh proferred assistance such task indeed too monumental us tackle think would dashing angels fear tread book would opinion take five years write would call contacts hard-to-find activists modern eraloosely speaking 1900 task force authors might manage would serious gaps says lot about hobby enjoy weekendContinued page 99 12 Model Aviation Heres look guidance engine com partments Rosa McMullens MRC Trainer Hawk made first flight insisted doing himselfpicturebook launch busy rudder never found throttle lever Survived hard way Preston plc MA Assistant Editor Ross McMullen removes booster lead MRC Trainer Hawk before first RC flight umpty-ump years Bill Winter wearing someones 1972 World Champs cap respect holds Rosa already buying servos take advantage 4-ch MRC radio second ship Boy girl constitute 25% McMullen brood Goeff Styles picture During Dist IVAMA Meeting John Blair lectured variety rubber jobs also flightdemonstrated big Mulvihill short-fused next Coupe P-30 table Flybaby Peanut 35-40 sec Old-Timer P-30 rules PiperCub Puss Moth CO-2 Cougar Leopard Moth Jumbo did 90 sec ease Meeting Greensboro NC Preston photo uper Mustier has just enough power haul around Norm Rosenstocks 1/4 Scale Waco Cabin Normistheguywhohadthe Church Midwing last monthand flew Winters Airknockerand Beam Rebelall years gave him backtheAlrknocker Both Norm Bill tried break RC dura tion record between 1958 1963 allday capability model theirfuel clogged Walker regulator flakes fiberglass 82-oz tank 21/2 hoursevery time Letters Editor Continued page 6 wing tip its new washout angle Use pot boiling water steam water-shrinkable materials heat gun MonoKote Coverite Check eye measurement see have warped tip same amount Other wise have will need make up difference aileron trim Its good idea check built-up wings time-to-time undesirable warps Gary B Brown Liverpool NY Worthy Recognition am writing because feel modeler has set tine example am much writer however can recount facts let judge man Ill talking about Ed Schwerkolt lives Bedford OH Ed like myself entered 1980 Nationals both flying Control Line Sport Scale Ed flying Spitfire retracts throttle engine cut-off Ed earned CL Flight Achievement Award plus 5th place however nothing compared what did crippled spectator contest flying taking place trying make adjustments improve scores young man wheeled over wheelchair dad Ed stopped doing thing just help explain eventand wonder wonders took lad put him center circle flew Spitfire just like being counted official score heart like gold Ed just shrugged off feat told him just watching dramatic event worth going Nats far important trophy Thanks listening love magazine Jim Deutsch Orange Village OH Fun/Winter Continued page 12 have letters chock-full ideas new crates useful comments things never thought beginning feel editorial pangs running miniature magazine Though cant use keep writing No other prop pulls biggie like DYNAT H RUST So far have able correspond onewhich makes us appreciate Frank Zaics monumental efforts producing incred ible yearbooks Jack Voiles 11359 Judy Dr Sterling Heights MI 48078 sends picture green machine afield box holds Sig Cadet conveni ent height odd thing about box has retractable landing gear simple toggle locks down transport retracts solid sup port field -in plywood Wholl first put flaps tote Like other guys write building Morris training tray October 1980 MA own linkage guys questions address Lt Col Bob Morris care editor hell answer directly Jack fell old trap flying out too far correcting right bank really left bank Sound familiar Now building Bridi Trainer 40 three inches span like because cant quite slow up sons enough him take over steer gently about Will have cowl rounded wing tips tail feathers flying stabilizer double-joint needle valve extension sounds good too Spring needle valve extensions turning 90 degrees rearward common years ago days carried Band Aids skinned knuckles Jack calls Skat Cat already has new passion Burt Rutans beautiful concepts have entranced Voiles tells us Did know has RC plans $475 Vari-Viggen 555 sq am planning ducted prop does 8-9 about 8000 rpm soundmaybe 4blade Jack studying prop theory librarywould like relate torque displace ment Asks ideas about helping him Now experience full motor potential Dynathrusts 100% accurate pitch airfoil Costs less buy fly because its unequaled durability 15 6 pitch $ 700 18 6 8 pitch $1000 20 8 10 pitch $1400 Prices include UPS charges MC 0 VISA C COD 0 CHECK C MO See dealer order direct 3I~STPRINc7IJ 2541 NE 11th Court Pompano Beach Florida 33062 1-305-941-9119 February 1981 99 Dealer Inquiries Invited IN STOCK FOR IMMEDIATE SHIPMENT New SUPER QUADRA $8995 BRISIGHELLA FLYWHEEL $10495 QUADRA REPAIR$1000 s KIORITZ engine 244 cuin$18995 Jim Messers ERCOUPE KIT$21995 Jim Messers TOMAHAWK KIT$23995 Concepts BIG FLEET KIT $17995 P&W RADIAL ENGINES Fleet $2995 FIBERGLASS COWL Fleet$1995 BALSA & BASSWOOD sizes 40% OFF 1/4 SCALE plans QUADRA ERCOUPE TOMAHAWK SKYBOLT$2195 SUPER STEARMAN Godfrey$2495 STARDUSTER TOO ighelia $2995 COCKPIT KiTSI Ercoupe T-Hawk $1500 Stearman Fleet F4U J-3 Cub$1850 ME-109 $1950 Citabria Nosen $2495 24-flour Service. $250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View DrAllegany NY 14706 MIKE MAS MJ MAS ENTERPRISES now offering totally new service helicopter enthosiastl One-stop shopping R/C Helicopter needs regardless what Youre flyingl discoont prices also offering free set-up flying instruction yours asking hane built flown analyzed enery major brand Helicopter anail able staff qualified answer guestions ranging installing train ing gear flying ship inverted Custom-built Helicopters include choice Helicopter Eng Radio Test Flown Limited Basisl AtA NATIONAL CHAMPION 1979 19611 Proudly Heads AMERICAN RIC HELICOPTERS FINE LINE OF HELICOPTERS COMMANDER Engine-off Landint LIST $38gg5 SPECIAL $32500 AMERICAN R/C HELICOPTER REVOLUTION II 60 SIZE LIST IAL $27995 MANTIS 40 POWERED HELICOPTER LIST $14995CALL FOR PACKAGE DEAL M J MAS ENTERPRISES P0 Box 727 Miami FL 33197 Phone 305 268-0658 21/4 Flywheel Small Magneto 15/8inSixBoll inum Hub Endorsed Don Godfrey Phone 607 722-1765 Points Sealed fn Rear Housing $189 Pre-Paid Orders Pay Shipping Dealer Inquiries Welcome L m t ed Pre-Drilled Props Available Ask About Custom Built KIORITZ Engines HELl-BOY HEADQUARTERS Sd-gLUTEn HELl- BOY 60 Size Re $38995 ONLY $34995 Sclsluter Helicopter Pasts Stock Including Pipes Fuselages Etc HE LI-BOY MAIN ROTOR BLADES Fast no 891Only $1595 ,Systeees 80 Dealer SPECIFICATIONS 242 CU 397cc 32HPat 8000 rpm Weight 61/2 lb Ball Bearings Crank Caged Rollers Rod Piston Pin Walbro Pump Garb 3 Ring Piston GIBBS HOBBY & RESEARCH 6195 HilIfield StNW NCANTON OHIO 44720 Phone216 499-8854 After 600 PM Accept Visa & Master Card NOW CARRYING THE IhhIS LINE OF FINE HELICOPTERS MODEL 505 MODEL 707 CALL FOR OUR LOW PRICES INSTRUCTIONAL TAPES NOW AVAILABLE Building Trimming C Flying Contest Flying Nonice no Espest * Autorotations setup Wractice Aerobatics/lnnerted Flight NEW FROM WORLD ENGINES ZENITH 40 POWERED HELICOPTER 5 HOUR CONSTRUCTION List $23995 SPECIAL Only $16995 Price Includes Extra Set Main Rotor j Tail Rotor BIade the address given above Personally wed opt high-rpm Schnuerledont think displacement alone relates torque job Superman second letter says loves Robart servo arms transfer linkage coil spring extension needle valve snapped off needle due vibration straight brass tube extension 4-40 socket head point missed coil spring extension can bent back anchored knob turns usual Have big Aristo crat because dont want amputated fingers modified Vari-Viggen offers formula PN V 1376 P h N V allows 233% slip What doing Half-way 6-ft Vaga bond RC-assist own old-timer FF Cleaner far big Sniffer will weigh 1 2 lbs less look forward first-class soaring Quite few have asked isnt registered Old-Timer werent sure dates now have established built 1942 Pond has plan Have scaled up Mad Test Pilots tiny foamie saw couple issues ago Its 11 inches finish will throw hat Kennedy gym 100 Model Aviation MJ MAS ENTERPRISES SPECIALISTS IN RC HELICOPTERS ENGINES BY Deep Fins ForCarb Needles &ThrottleGIBBS HOBBY & Optimum CoolingAccessible Engine Running RESEARCH Original Developer Factory Trained Authorized Master Service bad weather interrupted Winter about have John Preston test-f lythese diesel ized Davis enginesFox Eagle II left 05 60 Vehicle Prestons double-Sized Mid west Hustler Delta background really need big starter comfort though can started hand-flipping Preston photograph Maxecuters squadron Flying Aces make feel humble Build two days Inci dentally havent least built small ROG aint paid dues Putting together Pilot Model Sport-Ill K&B 19 19 25 trike version anticipate great things aileron low-wing using Airtronics new tiny servos small pack XL transmitter servoreversing capability linear exponential con trols so-called RF modelyou have some workits remarkable kit bowls over visitorsalmost worn Out showing Fuselage blue molded tough plastic wings tail built like best aerobatic jobs neatly covered white film hinge slots cut Great hardware recommend oneand rest line equal ship Pilot should coin pot full Only objection other small ships tried tiny wheels Good paved surfaces have use bigger wheels almost evcry thing grass Weve flown Krafts electric Cessna Chip munk electric dont get long lively flights gas both fly excellently good three minutes plus must use electric because flying conditions curious fine products Just careful long runout motor prolonged descent latter stages approach landing extended way since Chipmunks fly remarkably well recall recent comments MRCs 09 ver siontry bigger Midwest RF Weve urged Doug Pratt ModelRetailer put together both anticipate great flying Also satisfactorily flew MRCs Trainer Hawk Futabas trainer especially impressed Flitecrafts Cardinal Sport cabin 4-chan nels ailerons going machine groovy responsive great aileron trainer Interference proved rolled vertical corkscrew woods tore its way through giant trees came out virtually unscathed What could ask Manufacturer claims very aerobatic everything perfect ready-to-flies number sheet-balsa-covered wings finds tendency butted sheet lift slightly off foam can see seams proper light Veneer would cure Actually does affect performance find weve cut up wings Dremel jigsaw check bonding OK much foam very soft works slightly Noting wrinkle near root cabin model after flight afraid put up again home found wing could broken over knee soothe customers think some kind ajoiner would advisablethough isnt essential find grave fault plastic continuous rudder hinges hom bottom rudder will pry rudder askew Replace hinges mechanical type knocked off rudder just hooking up pushrod An easy fix Bob Bouchers Astro Flight Porterfield 6-ft Scale electric still before us Mad Test Pilot tempts us switch -scale Lacy Astros prop-drive 05 quite small acres wing area box straight edges Ugliness can beautiful well make ghost ship Out Porterfield 15 gas engine Also have original 6-ft Live Wire planan RC OldTimer have learn build faster Super Jet Hot Stuff course life savercuts time half between writing two modeling Continued page 103 Immediate delivery Send S 100 catalog products 44 TECHNOPOWERJI INC 1665OSOUTH 1O4thAVSNUEORLANDPAPKILLINOIS 60462 vy February 1981 101 Order Direct Only P0 BOX 687 DELAVAN IL 61734 VISA MASTERCHARGE PERSONAL CHECK OR MO CESS Perhaps need something bit outof-the ordinary scale competition Cessna 182 big stable aIrplane ideal scale trainer 40 engine Put 60 under cowl fly circles around competition rhe semi-symmetrical airfoil makes 182 groove yet its docile kitten total scale realism add optional flaps Trike gear pleasant ground handling kit allbalsa lots hardware molded parts speedy construction clear plans special illustrated construction booklet make kit anyone can build Kit features Span 72 Area 702 Sq 5-7 lbs flying weight 4 channel Power 40 60 181 _____________ Jack Armutrenus American Japanese Zero n Ouality card Stock Authentic semi-scale Reprints Remember Well Flew SEND SLID FLITE EtELI 620 NETILLE MIE 49066 books sundry articles aim really retire two yearsor soand build fly timeThebestlaidplansofmiceandmen Forgot 10-ft cardboard monster Whats happened FF CL guys Have given up Next month lots great CL George Aldrich Bill Winter 4330A Ito Vista Dr Fairfax VA 22030 Taylor Cub/SruII Continued page 19 leading trailing edges spars sq spruce webbed 1/32 balsa sheet far out strut attachment ribs After adding dihedral ply dihedral braces gussets form 1/32-in wire strut attach ment clips epoxy appropriate ribs Fit wing fuselage cabin top perfectly aligned drill bolt hold-down screw hole through wing cabin top plate time also epoxy ply hold-down clip wing spar wing still position fuselage make up two wing struts x / balsa After trimming fit well spot-glue aluminum tubing end pieces place slide brass strut-to-fuselage fitting slit V end strut Dont glue yet Slip struts place screw brass fittings fuselage attachment points After making sure wing lined up properly Hot Stuff brass clips place Remove struts reinforce fittings silk glue Covering finishing covered Cub medium-weight silkspan Light-weight silk would work well use low-shrink dope finishing keep warping minimum Plastic film covering could also used would probably provide lightest simplest covering finish possible would look scale-like model painted finish however case try keep weight down much possible pigmented dopes can build up weight very fast arent careful After covering silkspan water-shrunk cover ing brushed three thin coats thinned-down aluminum dopeto added small amount talcum powder filling dry areas carefully sanded 600 paper until smooth surface ready color obtained Finally wet coat aluminum dope sprayed trim areas masked off sprayed Sig Tennessee Red dope Two-inch diameter Banner wheels look about right think little durable Trexlers Make dummy cylinders scraps balsa paper tubing wire paint mixture black silver dope attach removable nose block Install favorite mini light-weight radio lets go fly Flying Make sure model balances little forward spars Check warps misalignments remove visible model weighed 18 ounces ready-to-fly performed best Cox Medalion engine overloaded 7-3 7-4 prop peaked out 6-3 6-4 prop models speed rate climb much too fast scale-likeand personal liking model type larger props muffler speed climb much scalelike graceful power reduced way however Cubs performance adequate fly almost restricted area Baseball fields corner schoolyard empty parking lots ready airports Cub Take word itthe Taylor E-2 Cub little can fuel starting battery can give much flying fun RC model ever have flown Enjoy writing advmtiumem mention reed about MA February 1981 103 OS MAX 61 FSR wnuttle $ 10800 delivered Rear Exhaust Same Price Call 408-274-1915. RAC Products 3200 Knightswood Way .*a Jose CA 95148 WEVE EXPANOEDI SCALE DRAWINGSPHOTOS BOOKLETS REPLA TECH NTERNA ONA CATALOGS $20048500 0CKSNZ 5 HW r AlTENTION QUADRA OWNERS! ra hard start because no really effective way choke Would like add solid 100-200 RPM top speed engine THEN CHECK THIS OUT Combination choke ram induction * Guarantees quick starting hand * Eliminates throttle spit * Allows use partial choke warm-up lute must Lectra-Starter * Install minutes extra servo pushrod cockpit * Eliminates using finger usually causes flooding * Doubles kill * Uses prop blast extra RPMs Send $1495 check money order Gardner-Burrell 6005 Cliff Drive Fort Smith Ark 72903 hh
Edition: Model Aviation - 1981/02
Page Numbers: 10, 11, 12, 99, 100, 101, 103
The Quarter-Scale General Aristocrat has flown momentous occasion November 8 Prestons plc enormous 25-lb bird Bill Winter Don Srull L-R behind wings taken week earlier weatherwasnt sufficiently cooperative Weve printed pictures before Aristocrat various stages construciton Winter says didnt really sink huge until covered painted First flight beautabsolutely perfect Takeoff two-thirds throttle Tartan engine cruise about half throttle Curiously first days flying Aristocrat didnt show need shock-absorbing landing gear Likely thats because light wing loading good pilotingnot case big birds future Possibly selective coupler rudder ailerons THE MOMENT truth hand time read -scale Aristocratfall weather permittingwill have flown Lets just say hope fly Perhaps majesty flight will rekindle interest big airplanes lifelong curse including six-foot Rubber Scale jobs nine-footerbut right now wed never again guys build lovely biggies take word almost folks master craftsmen Using ordinary techniques can have measure fun basic framework oh details fittings crudest design ragged reef tear out bottom Time slowed down things go forever Captain Ahab White Whale better alf calls Orca Having got far basic installation suggested Mad Test Pilot Don Srull since going have fun flying thing perhaps hed help push over edge its six months behind schedule gotten Hobby Lobby huge black bellcranks have rows holes installing cable point HLs Jim Martin realized no cable material go pulleys stuff stocks So added cables crimping tool etc lineas see now ads sent us samples 20- 30-lb test cable Once youve used cable youll settle nothing else smoothness definition control movements just incredible pushrod man So afternoon Mad Test Pilot sprayed itand uswhile steadied things solved strut problem using arrow shafts sandwiched between two pieces balsa routed-out bench saw doped Out fittings climbed few walls made struts lathe hand stuff like troublesome details almost beyond own ability relatively easy him added cables Since happened Airtronics systemservo reversing mysterious stuffhad just arrived decided Scenes Keystone RC Clubs First Annual Electric Fly Top Bob Kopskis 6-ft Stand-Off Scale J-3 Astro 15 belt-drive system 12-B prop Scratch-built simi lar Astro Porterfield Weighs 4 lb 6 oz has very realistic flight Middle Astro Partenavia Heinz Koerner has twin Astro 075s likes better twin 05 system de signed Has 10 12 amp-hr cells Above John Hickeys Soar Birdy glider modified Astro 075 Several members KRCC fly combinationrate highly remove existing system same time putting monster servos elevator rudder semi-monsters wing root ailerons Now something no talks about you have weight aileron servoand ailerons dont offset other weight-wise Consider dropon landing statically dynamically balanced receiver flew first 8-ft low wing Bill Hershberger calling test conditionsnot something faint hearted Far out high up approaches low antenna pointed tail nose ship build things think twice before opt dream ship much work will involvewhat rigging fittings would practical select ship its simplicity Today big daybut rained blew next shot two weeks off will eastern 10 Model Aviation 9wi&FJ tIu~ij2J e Bill Winter voiia aug nus uren N first tote sport retractabue wneels JacK Vari-Viggen stuff ducted-fan pusher Seetext Voiles thoughts/questions some RTFs Bill Winter has flying recently Top Left Winter hand-Isunching Goldberg Ranger 42 market yearsenjoys enviable reputation among foamies Great configurationnice gas electric especially good dont have run like Winter doing likes match flying speed Top Right Sleek looking Futaba Trainergoes straightas arrow grooves well Its 3-channelincludes Futaba AC system K&B 19 Above Left Smooth responsive excellent aileron trainer Flightcrafts Cardinal Sport 4-channel strip ailerons Futaba Flitecraft Winter gilded lily molding front back cabin fillets match wings Heres wrap wing center-section Saran Wrap strap wings mold fillets Sigs Epoxylite Shapes wet finger allowed set up rock-hard becomes tough filing job Above Right Close-up Cardinal Sport shows blending cabin wing virtually imperceptible John Preston pica weather hold Now October 24 Last night ran World Engines Tartan first time side-mounted right stacks pointing down carb top Primed pulled through three times off went first flip Five starts first flip have dire predictions points compassget engine youll never make Baloney engine idles responds well 5% nitro fuel used required bracing body hold back ship throttle opened Mad Test Pilot doubts wants open wide takeoff lead ballastdesigned balance certain popular engine weighs 1 pounds Tartanit weighs 25 lbs fueled Span 9 ft 4 chord 18 Prop Top Flite 18-6 will also try 20-6 Barring mechanical failure no way ship wont fly well indeed surprising finding no exhaust residue airplane raw fuel overflow under nose back gear No wiping So glow messy exhaust really blasts downward Fuel economy reason able fly before deadline issue therell word elsewhere statement will rouse natives positive hand-starting safer electric starter No way can get us press starter against prop have hand-started Cubs Airknockers home treat ing real airplanewhich Position prop about oclock having primed pulled through flipped no booster four fingers behind prop pull through mighty flip carrying arm hand through like golf strokefar away prop Kneel well back no loose clothing sure February 198111 FINAL WORD early retirement has blown out proportion wasnt squeezed out Headquarters staff gave great farewell get-together heartfelt regrets expressed over leaving would have retired January 1 1981 anyway Prior action has caused substantial loss income did leave did editorial conscience did allow live presidents column Mr Cain five years staff satisfies Headquarters people did deserve criticism re ceived during last two years wanted no What critic volun teers similar sacrifice So left realization elected Executive Council runs AMA president executive director Executive Council prevent use Model Aviation political purposesa crushing advantage incumbentswe would see lasting peace truth meantime Im happier write Just Fun rather accept pay printing poison would tear down what others have built upBILL WINTER helper has trunk well anchored think safest airplane have ever started half-As much nastier Wed rather build tapered wing now struts well leave bipes fire-eaters scratch-design -build work out drawings detail before start easily broken resolution example top rudder post fuselage point everything go through aeronautical Times Square six months project before figured out put together yet take apart Try think things out firsttake weeks months need Resolve youll last thing Consider shop tools dont have motor-driven jigsaw sander drill press youll rebuilding pyramids Should find metal parts need slotted drilled Lord knows what else know anyone can help Frankly wed recommend kit darn sure what kit Some guys dont favors some kits excellent Ask around Another factor what type plane real may look great racer example wing has less area loading airspeed go uplanding gets harder youll need mind-blowing shock arrange ments Any real airplane flaps will faster too because its area probably will less can make flaps work worth warned biggie like ordinary model truly home-built airplane demands finishedlike putting kid through college cant let go Having said weve talking yet another real ship span will come out less six feet quarter-scale no struts Thats human-size dimension can use cheaper popular engine recent Keystone RC Clubs First Annual Electric Fly club field Hatfield PA September 28 shook up Eastern troops interest electric has spreading us seem think indigenous West Coast Talking Bob Kopski leam 24 electric planes flew beautiful weather atmosphere casual fun KRC has 18 operational electrics club displays meet included Stand-Off Scale twin four engines simple aerobatics motor giiders Events best-looking plane longest flight time aerobatic sur prisesand Comp low-keyfun fortissimo Three years ago Bob electric flier club note some interesting things industry outdid itself prizes quite unexpectedly flyers sent Out about 50 clubs proved compara tively few people reached routethis deficiency will greatly reduced future So RCers turned out watch voice regret no electricsthat KRC already planning Second Annual predict major eastern event Missouri show-me state New Yorkand much Eastis takes East long time turn new inevitable things Bob says far action has out West decade will witness dominance electric Could be. KRC hoped see Just Fun Its fun believe climb band wagon alacrity Ye Olde Fairfax Glue Works has infiltratedmore months come debt Mr WP Welsh Technical Counseler FM Paris forthis information about old time modelers may recall last month made reference modelers going back Napoleonic Wars Alphonse Penaud made models 100 years ago has chosen FAI annual award bearing name under conditions laid down FAIs Internal Regulations course preceded George Cayley made rather basic model helicopter 1796 similar demonstrated 12 years earlier Mr Lamoy Mr Bienvenu before Academy Science Paris April 28 1784 Mr Welsh informs us However 1804 Cayley flew what generally recognized first successful flying model fitted movable weight often think control simple helicopterWW adjust center gravity 1809 scaled up glider capable carrying boy Another Frenchman Felix du Temple de Ia Croix regarded being first fly powered model about 1857 Mr Welsh goes small clockwork motor later replaced minute steam engine Well quote FAIs fact sheet Penaud award French pioneer born 1850 son admiral just admitted Naval College serious illness put end career sailor invalids chair observed flight sparrows devoted himself study heavier-than-air machine several small helicopters built him 18th August 1871 experimented model aero plane Planophore covered distance 60 meters 1 3 seconds thanks its rubber motor Finally 1876 Gauchot patented twin-propeller tailless aeroplane retractable undercarriage mono-controlled compensated control surfaces Having found no build machine very weakened illness despaired seeing work succeed committed suicide 1880 age 30 What prompted Mr Welsh supply enchanting information reading September ModelAviationit does get around compiling history aeromodeling correctly remarked ll no doubt serve introduction monumental task have undertaken will two books humbly advised Mr Welsh proferred assistance such task indeed too monumental us tackle think would dashing angels fear tread book would opinion take five years write would call contacts hard-to-find activists modern eraloosely speaking 1900 task force authors might manage would serious gaps says lot about hobby enjoy weekendContinued page 99 12 Model Aviation Heres look guidance engine com partments Rosa McMullens MRC Trainer Hawk made first flight insisted doing himselfpicturebook launch busy rudder never found throttle lever Survived hard way Preston plc MA Assistant Editor Ross McMullen removes booster lead MRC Trainer Hawk before first RC flight umpty-ump years Bill Winter wearing someones 1972 World Champs cap respect holds Rosa already buying servos take advantage 4-ch MRC radio second ship Boy girl constitute 25% McMullen brood Goeff Styles picture During Dist IVAMA Meeting John Blair lectured variety rubber jobs also flightdemonstrated big Mulvihill short-fused next Coupe P-30 table Flybaby Peanut 35-40 sec Old-Timer P-30 rules PiperCub Puss Moth CO-2 Cougar Leopard Moth Jumbo did 90 sec ease Meeting Greensboro NC Preston photo uper Mustier has just enough power haul around Norm Rosenstocks 1/4 Scale Waco Cabin Normistheguywhohadthe Church Midwing last monthand flew Winters Airknockerand Beam Rebelall years gave him backtheAlrknocker Both Norm Bill tried break RC dura tion record between 1958 1963 allday capability model theirfuel clogged Walker regulator flakes fiberglass 82-oz tank 21/2 hoursevery time Letters Editor Continued page 6 wing tip its new washout angle Use pot boiling water steam water-shrinkable materials heat gun MonoKote Coverite Check eye measurement see have warped tip same amount Other wise have will need make up difference aileron trim Its good idea check built-up wings time-to-time undesirable warps Gary B Brown Liverpool NY Worthy Recognition am writing because feel modeler has set tine example am much writer however can recount facts let judge man Ill talking about Ed Schwerkolt lives Bedford OH Ed like myself entered 1980 Nationals both flying Control Line Sport Scale Ed flying Spitfire retracts throttle engine cut-off Ed earned CL Flight Achievement Award plus 5th place however nothing compared what did crippled spectator contest flying taking place trying make adjustments improve scores young man wheeled over wheelchair dad Ed stopped doing thing just help explain eventand wonder wonders took lad put him center circle flew Spitfire just like being counted official score heart like gold Ed just shrugged off feat told him just watching dramatic event worth going Nats far important trophy Thanks listening love magazine Jim Deutsch Orange Village OH Fun/Winter Continued page 12 have letters chock-full ideas new crates useful comments things never thought beginning feel editorial pangs running miniature magazine Though cant use keep writing No other prop pulls biggie like DYNAT H RUST So far have able correspond onewhich makes us appreciate Frank Zaics monumental efforts producing incred ible yearbooks Jack Voiles 11359 Judy Dr Sterling Heights MI 48078 sends picture green machine afield box holds Sig Cadet conveni ent height odd thing about box has retractable landing gear simple toggle locks down transport retracts solid sup port field -in plywood Wholl first put flaps tote Like other guys write building Morris training tray October 1980 MA own linkage guys questions address Lt Col Bob Morris care editor hell answer directly Jack fell old trap flying out too far correcting right bank really left bank Sound familiar Now building Bridi Trainer 40 three inches span like because cant quite slow up sons enough him take over steer gently about Will have cowl rounded wing tips tail feathers flying stabilizer double-joint needle valve extension sounds good too Spring needle valve extensions turning 90 degrees rearward common years ago days carried Band Aids skinned knuckles Jack calls Skat Cat already has new passion Burt Rutans beautiful concepts have entranced Voiles tells us Did know has RC plans $475 Vari-Viggen 555 sq am planning ducted prop does 8-9 about 8000 rpm soundmaybe 4blade Jack studying prop theory librarywould like relate torque displace ment Asks ideas about helping him Now experience full motor potential Dynathrusts 100% accurate pitch airfoil Costs less buy fly because its unequaled durability 15 6 pitch $ 700 18 6 8 pitch $1000 20 8 10 pitch $1400 Prices include UPS charges MC 0 VISA C COD 0 CHECK C MO See dealer order direct 3I~STPRINc7IJ 2541 NE 11th Court Pompano Beach Florida 33062 1-305-941-9119 February 1981 99 Dealer Inquiries Invited IN STOCK FOR IMMEDIATE SHIPMENT New SUPER QUADRA $8995 BRISIGHELLA FLYWHEEL $10495 QUADRA REPAIR$1000 s KIORITZ engine 244 cuin$18995 Jim Messers ERCOUPE KIT$21995 Jim Messers TOMAHAWK KIT$23995 Concepts BIG FLEET KIT $17995 P&W RADIAL ENGINES Fleet $2995 FIBERGLASS COWL Fleet$1995 BALSA & BASSWOOD sizes 40% OFF 1/4 SCALE plans QUADRA ERCOUPE TOMAHAWK SKYBOLT$2195 SUPER STEARMAN Godfrey$2495 STARDUSTER TOO ighelia $2995 COCKPIT KiTSI Ercoupe T-Hawk $1500 Stearman Fleet F4U J-3 Cub$1850 ME-109 $1950 Citabria Nosen $2495 24-flour Service. $250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View DrAllegany NY 14706 MIKE MAS MJ MAS ENTERPRISES now offering totally new service helicopter enthosiastl One-stop shopping R/C Helicopter needs regardless what Youre flyingl discoont prices also offering free set-up flying instruction yours asking hane built flown analyzed enery major brand Helicopter anail able staff qualified answer guestions ranging installing train ing gear flying ship inverted Custom-built Helicopters include choice Helicopter Eng Radio Test Flown Limited Basisl AtA NATIONAL CHAMPION 1979 19611 Proudly Heads AMERICAN RIC HELICOPTERS FINE LINE OF HELICOPTERS COMMANDER Engine-off Landint LIST $38gg5 SPECIAL $32500 AMERICAN R/C HELICOPTER REVOLUTION II 60 SIZE LIST IAL $27995 MANTIS 40 POWERED HELICOPTER LIST $14995CALL FOR PACKAGE DEAL M J MAS ENTERPRISES P0 Box 727 Miami FL 33197 Phone 305 268-0658 21/4 Flywheel Small Magneto 15/8inSixBoll inum Hub Endorsed Don Godfrey Phone 607 722-1765 Points Sealed fn Rear Housing $189 Pre-Paid Orders Pay Shipping Dealer Inquiries Welcome L m t ed Pre-Drilled Props Available Ask About Custom Built KIORITZ Engines HELl-BOY HEADQUARTERS Sd-gLUTEn HELl- BOY 60 Size Re $38995 ONLY $34995 Sclsluter Helicopter Pasts Stock Including Pipes Fuselages Etc HE LI-BOY MAIN ROTOR BLADES Fast no 891Only $1595 ,Systeees 80 Dealer SPECIFICATIONS 242 CU 397cc 32HPat 8000 rpm Weight 61/2 lb Ball Bearings Crank Caged Rollers Rod Piston Pin Walbro Pump Garb 3 Ring Piston GIBBS HOBBY & RESEARCH 6195 HilIfield StNW NCANTON OHIO 44720 Phone216 499-8854 After 600 PM Accept Visa & Master Card NOW CARRYING THE IhhIS LINE OF FINE HELICOPTERS MODEL 505 MODEL 707 CALL FOR OUR LOW PRICES INSTRUCTIONAL TAPES NOW AVAILABLE Building Trimming C Flying Contest Flying Nonice no Espest * Autorotations setup Wractice Aerobatics/lnnerted Flight NEW FROM WORLD ENGINES ZENITH 40 POWERED HELICOPTER 5 HOUR CONSTRUCTION List $23995 SPECIAL Only $16995 Price Includes Extra Set Main Rotor j Tail Rotor BIade the address given above Personally wed opt high-rpm Schnuerledont think displacement alone relates torque job Superman second letter says loves Robart servo arms transfer linkage coil spring extension needle valve snapped off needle due vibration straight brass tube extension 4-40 socket head point missed coil spring extension can bent back anchored knob turns usual Have big Aristo crat because dont want amputated fingers modified Vari-Viggen offers formula PN V 1376 P h N V allows 233% slip What doing Half-way 6-ft Vaga bond RC-assist own old-timer FF Cleaner far big Sniffer will weigh 1 2 lbs less look forward first-class soaring Quite few have asked isnt registered Old-Timer werent sure dates now have established built 1942 Pond has plan Have scaled up Mad Test Pilots tiny foamie saw couple issues ago Its 11 inches finish will throw hat Kennedy gym 100 Model Aviation MJ MAS ENTERPRISES SPECIALISTS IN RC HELICOPTERS ENGINES BY Deep Fins ForCarb Needles &ThrottleGIBBS HOBBY & Optimum CoolingAccessible Engine Running RESEARCH Original Developer Factory Trained Authorized Master Service bad weather interrupted Winter about have John Preston test-f lythese diesel ized Davis enginesFox Eagle II left 05 60 Vehicle Prestons double-Sized Mid west Hustler Delta background really need big starter comfort though can started hand-flipping Preston photograph Maxecuters squadron Flying Aces make feel humble Build two days Inci dentally havent least built small ROG aint paid dues Putting together Pilot Model Sport-Ill K&B 19 19 25 trike version anticipate great things aileron low-wing using Airtronics new tiny servos small pack XL transmitter servoreversing capability linear exponential con trols so-called RF modelyou have some workits remarkable kit bowls over visitorsalmost worn Out showing Fuselage blue molded tough plastic wings tail built like best aerobatic jobs neatly covered white film hinge slots cut Great hardware recommend oneand rest line equal ship Pilot should coin pot full Only objection other small ships tried tiny wheels Good paved surfaces have use bigger wheels almost evcry thing grass Weve flown Krafts electric Cessna Chip munk electric dont get long lively flights gas both fly excellently good three minutes plus must use electric because flying conditions curious fine products Just careful long runout motor prolonged descent latter stages approach landing extended way since Chipmunks fly remarkably well recall recent comments MRCs 09 ver siontry bigger Midwest RF Weve urged Doug Pratt ModelRetailer put together both anticipate great flying Also satisfactorily flew MRCs Trainer Hawk Futabas trainer especially impressed Flitecrafts Cardinal Sport cabin 4-chan nels ailerons going machine groovy responsive great aileron trainer Interference proved rolled vertical corkscrew woods tore its way through giant trees came out virtually unscathed What could ask Manufacturer claims very aerobatic everything perfect ready-to-flies number sheet-balsa-covered wings finds tendency butted sheet lift slightly off foam can see seams proper light Veneer would cure Actually does affect performance find weve cut up wings Dremel jigsaw check bonding OK much foam very soft works slightly Noting wrinkle near root cabin model after flight afraid put up again home found wing could broken over knee soothe customers think some kind ajoiner would advisablethough isnt essential find grave fault plastic continuous rudder hinges hom bottom rudder will pry rudder askew Replace hinges mechanical type knocked off rudder just hooking up pushrod An easy fix Bob Bouchers Astro Flight Porterfield 6-ft Scale electric still before us Mad Test Pilot tempts us switch -scale Lacy Astros prop-drive 05 quite small acres wing area box straight edges Ugliness can beautiful well make ghost ship Out Porterfield 15 gas engine Also have original 6-ft Live Wire planan RC OldTimer have learn build faster Super Jet Hot Stuff course life savercuts time half between writing two modeling Continued page 103 Immediate delivery Send S 100 catalog products 44 TECHNOPOWERJI INC 1665OSOUTH 1O4thAVSNUEORLANDPAPKILLINOIS 60462 vy February 1981 101 Order Direct Only P0 BOX 687 DELAVAN IL 61734 VISA MASTERCHARGE PERSONAL CHECK OR MO CESS Perhaps need something bit outof-the ordinary scale competition Cessna 182 big stable aIrplane ideal scale trainer 40 engine Put 60 under cowl fly circles around competition rhe semi-symmetrical airfoil makes 182 groove yet its docile kitten total scale realism add optional flaps Trike gear pleasant ground handling kit allbalsa lots hardware molded parts speedy construction clear plans special illustrated construction booklet make kit anyone can build Kit features Span 72 Area 702 Sq 5-7 lbs flying weight 4 channel Power 40 60 181 _____________ Jack Armutrenus American Japanese Zero n Ouality card Stock Authentic semi-scale Reprints Remember Well Flew SEND SLID FLITE EtELI 620 NETILLE MIE 49066 books sundry articles aim really retire two yearsor soand build fly timeThebestlaidplansofmiceandmen Forgot 10-ft cardboard monster Whats happened FF CL guys Have given up Next month lots great CL George Aldrich Bill Winter 4330A Ito Vista Dr Fairfax VA 22030 Taylor Cub/SruII Continued page 19 leading trailing edges spars sq spruce webbed 1/32 balsa sheet far out strut attachment ribs After adding dihedral ply dihedral braces gussets form 1/32-in wire strut attach ment clips epoxy appropriate ribs Fit wing fuselage cabin top perfectly aligned drill bolt hold-down screw hole through wing cabin top plate time also epoxy ply hold-down clip wing spar wing still position fuselage make up two wing struts x / balsa After trimming fit well spot-glue aluminum tubing end pieces place slide brass strut-to-fuselage fitting slit V end strut Dont glue yet Slip struts place screw brass fittings fuselage attachment points After making sure wing lined up properly Hot Stuff brass clips place Remove struts reinforce fittings silk glue Covering finishing covered Cub medium-weight silkspan Light-weight silk would work well use low-shrink dope finishing keep warping minimum Plastic film covering could also used would probably provide lightest simplest covering finish possible would look scale-like model painted finish however case try keep weight down much possible pigmented dopes can build up weight very fast arent careful After covering silkspan water-shrunk cover ing brushed three thin coats thinned-down aluminum dopeto added small amount talcum powder filling dry areas carefully sanded 600 paper until smooth surface ready color obtained Finally wet coat aluminum dope sprayed trim areas masked off sprayed Sig Tennessee Red dope Two-inch diameter Banner wheels look about right think little durable Trexlers Make dummy cylinders scraps balsa paper tubing wire paint mixture black silver dope attach removable nose block Install favorite mini light-weight radio lets go fly Flying Make sure model balances little forward spars Check warps misalignments remove visible model weighed 18 ounces ready-to-fly performed best Cox Medalion engine overloaded 7-3 7-4 prop peaked out 6-3 6-4 prop models speed rate climb much too fast scale-likeand personal liking model type larger props muffler speed climb much scalelike graceful power reduced way however Cubs performance adequate fly almost restricted area Baseball fields corner schoolyard empty parking lots ready airports Cub Take word itthe Taylor E-2 Cub little can fuel starting battery can give much flying fun RC model ever have flown Enjoy writing advmtiumem mention reed about MA February 1981 103 OS MAX 61 FSR wnuttle $ 10800 delivered Rear Exhaust Same Price Call 408-274-1915. RAC Products 3200 Knightswood Way .*a Jose CA 95148 WEVE EXPANOEDI SCALE DRAWINGSPHOTOS BOOKLETS REPLA TECH NTERNA ONA CATALOGS $20048500 0CKSNZ 5 HW r AlTENTION QUADRA OWNERS! ra hard start because no really effective way choke Would like add solid 100-200 RPM top speed engine THEN CHECK THIS OUT Combination choke ram induction * Guarantees quick starting hand * Eliminates throttle spit * Allows use partial choke warm-up lute must Lectra-Starter * Install minutes extra servo pushrod cockpit * Eliminates using finger usually causes flooding * Doubles kill * Uses prop blast extra RPMs Send $1495 check money order Gardner-Burrell 6005 Cliff Drive Fort Smith Ark 72903 hh
Edition: Model Aviation - 1981/02
Page Numbers: 10, 11, 12, 99, 100, 101, 103
The Quarter-Scale General Aristocrat has flown momentous occasion November 8 Prestons plc enormous 25-lb bird Bill Winter Don Srull L-R behind wings taken week earlier weatherwasnt sufficiently cooperative Weve printed pictures before Aristocrat various stages construciton Winter says didnt really sink huge until covered painted First flight beautabsolutely perfect Takeoff two-thirds throttle Tartan engine cruise about half throttle Curiously first days flying Aristocrat didnt show need shock-absorbing landing gear Likely thats because light wing loading good pilotingnot case big birds future Possibly selective coupler rudder ailerons THE MOMENT truth hand time read -scale Aristocratfall weather permittingwill have flown Lets just say hope fly Perhaps majesty flight will rekindle interest big airplanes lifelong curse including six-foot Rubber Scale jobs nine-footerbut right now wed never again guys build lovely biggies take word almost folks master craftsmen Using ordinary techniques can have measure fun basic framework oh details fittings crudest design ragged reef tear out bottom Time slowed down things go forever Captain Ahab White Whale better alf calls Orca Having got far basic installation suggested Mad Test Pilot Don Srull since going have fun flying thing perhaps hed help push over edge its six months behind schedule gotten Hobby Lobby huge black bellcranks have rows holes installing cable point HLs Jim Martin realized no cable material go pulleys stuff stocks So added cables crimping tool etc lineas see now ads sent us samples 20- 30-lb test cable Once youve used cable youll settle nothing else smoothness definition control movements just incredible pushrod man So afternoon Mad Test Pilot sprayed itand uswhile steadied things solved strut problem using arrow shafts sandwiched between two pieces balsa routed-out bench saw doped Out fittings climbed few walls made struts lathe hand stuff like troublesome details almost beyond own ability relatively easy him added cables Since happened Airtronics systemservo reversing mysterious stuffhad just arrived decided Scenes Keystone RC Clubs First Annual Electric Fly Top Bob Kopskis 6-ft Stand-Off Scale J-3 Astro 15 belt-drive system 12-B prop Scratch-built simi lar Astro Porterfield Weighs 4 lb 6 oz has very realistic flight Middle Astro Partenavia Heinz Koerner has twin Astro 075s likes better twin 05 system de signed Has 10 12 amp-hr cells Above John Hickeys Soar Birdy glider modified Astro 075 Several members KRCC fly combinationrate highly remove existing system same time putting monster servos elevator rudder semi-monsters wing root ailerons Now something no talks about you have weight aileron servoand ailerons dont offset other weight-wise Consider dropon landing statically dynamically balanced receiver flew first 8-ft low wing Bill Hershberger calling test conditionsnot something faint hearted Far out high up approaches low antenna pointed tail nose ship build things think twice before opt dream ship much work will involvewhat rigging fittings would practical select ship its simplicity Today big daybut rained blew next shot two weeks off will eastern 10 Model Aviation 9wi&FJ tIu~ij2J e Bill Winter voiia aug nus uren N first tote sport retractabue wneels JacK Vari-Viggen stuff ducted-fan pusher Seetext Voiles thoughts/questions some RTFs Bill Winter has flying recently Top Left Winter hand-Isunching Goldberg Ranger 42 market yearsenjoys enviable reputation among foamies Great configurationnice gas electric especially good dont have run like Winter doing likes match flying speed Top Right Sleek looking Futaba Trainergoes straightas arrow grooves well Its 3-channelincludes Futaba AC system K&B 19 Above Left Smooth responsive excellent aileron trainer Flightcrafts Cardinal Sport 4-channel strip ailerons Futaba Flitecraft Winter gilded lily molding front back cabin fillets match wings Heres wrap wing center-section Saran Wrap strap wings mold fillets Sigs Epoxylite Shapes wet finger allowed set up rock-hard becomes tough filing job Above Right Close-up Cardinal Sport shows blending cabin wing virtually imperceptible John Preston pica weather hold Now October 24 Last night ran World Engines Tartan first time side-mounted right stacks pointing down carb top Primed pulled through three times off went first flip Five starts first flip have dire predictions points compassget engine youll never make Baloney engine idles responds well 5% nitro fuel used required bracing body hold back ship throttle opened Mad Test Pilot doubts wants open wide takeoff lead ballastdesigned balance certain popular engine weighs 1 pounds Tartanit weighs 25 lbs fueled Span 9 ft 4 chord 18 Prop Top Flite 18-6 will also try 20-6 Barring mechanical failure no way ship wont fly well indeed surprising finding no exhaust residue airplane raw fuel overflow under nose back gear No wiping So glow messy exhaust really blasts downward Fuel economy reason able fly before deadline issue therell word elsewhere statement will rouse natives positive hand-starting safer electric starter No way can get us press starter against prop have hand-started Cubs Airknockers home treat ing real airplanewhich Position prop about oclock having primed pulled through flipped no booster four fingers behind prop pull through mighty flip carrying arm hand through like golf strokefar away prop Kneel well back no loose clothing sure February 198111 FINAL WORD early retirement has blown out proportion wasnt squeezed out Headquarters staff gave great farewell get-together heartfelt regrets expressed over leaving would have retired January 1 1981 anyway Prior action has caused substantial loss income did leave did editorial conscience did allow live presidents column Mr Cain five years staff satisfies Headquarters people did deserve criticism re ceived during last two years wanted no What critic volun teers similar sacrifice So left realization elected Executive Council runs AMA president executive director Executive Council prevent use Model Aviation political purposesa crushing advantage incumbentswe would see lasting peace truth meantime Im happier write Just Fun rather accept pay printing poison would tear down what others have built upBILL WINTER helper has trunk well anchored think safest airplane have ever started half-As much nastier Wed rather build tapered wing now struts well leave bipes fire-eaters scratch-design -build work out drawings detail before start easily broken resolution example top rudder post fuselage point everything go through aeronautical Times Square six months project before figured out put together yet take apart Try think things out firsttake weeks months need Resolve youll last thing Consider shop tools dont have motor-driven jigsaw sander drill press youll rebuilding pyramids Should find metal parts need slotted drilled Lord knows what else know anyone can help Frankly wed recommend kit darn sure what kit Some guys dont favors some kits excellent Ask around Another factor what type plane real may look great racer example wing has less area loading airspeed go uplanding gets harder youll need mind-blowing shock arrange ments Any real airplane flaps will faster too because its area probably will less can make flaps work worth warned biggie like ordinary model truly home-built airplane demands finishedlike putting kid through college cant let go Having said weve talking yet another real ship span will come out less six feet quarter-scale no struts Thats human-size dimension can use cheaper popular engine recent Keystone RC Clubs First Annual Electric Fly club field Hatfield PA September 28 shook up Eastern troops interest electric has spreading us seem think indigenous West Coast Talking Bob Kopski leam 24 electric planes flew beautiful weather atmosphere casual fun KRC has 18 operational electrics club displays meet included Stand-Off Scale twin four engines simple aerobatics motor giiders Events best-looking plane longest flight time aerobatic sur prisesand Comp low-keyfun fortissimo Three years ago Bob electric flier club note some interesting things industry outdid itself prizes quite unexpectedly flyers sent Out about 50 clubs proved compara tively few people reached routethis deficiency will greatly reduced future So RCers turned out watch voice regret no electricsthat KRC already planning Second Annual predict major eastern event Missouri show-me state New Yorkand much Eastis takes East long time turn new inevitable things Bob says far action has out West decade will witness dominance electric Could be. KRC hoped see Just Fun Its fun believe climb band wagon alacrity Ye Olde Fairfax Glue Works has infiltratedmore months come debt Mr WP Welsh Technical Counseler FM Paris forthis information about old time modelers may recall last month made reference modelers going back Napoleonic Wars Alphonse Penaud made models 100 years ago has chosen FAI annual award bearing name under conditions laid down FAIs Internal Regulations course preceded George Cayley made rather basic model helicopter 1796 similar demonstrated 12 years earlier Mr Lamoy Mr Bienvenu before Academy Science Paris April 28 1784 Mr Welsh informs us However 1804 Cayley flew what generally recognized first successful flying model fitted movable weight often think control simple helicopterWW adjust center gravity 1809 scaled up glider capable carrying boy Another Frenchman Felix du Temple de Ia Croix regarded being first fly powered model about 1857 Mr Welsh goes small clockwork motor later replaced minute steam engine Well quote FAIs fact sheet Penaud award French pioneer born 1850 son admiral just admitted Naval College serious illness put end career sailor invalids chair observed flight sparrows devoted himself study heavier-than-air machine several small helicopters built him 18th August 1871 experimented model aero plane Planophore covered distance 60 meters 1 3 seconds thanks its rubber motor Finally 1876 Gauchot patented twin-propeller tailless aeroplane retractable undercarriage mono-controlled compensated control surfaces Having found no build machine very weakened illness despaired seeing work succeed committed suicide 1880 age 30 What prompted Mr Welsh supply enchanting information reading September ModelAviationit does get around compiling history aeromodeling correctly remarked ll no doubt serve introduction monumental task have undertaken will two books humbly advised Mr Welsh proferred assistance such task indeed too monumental us tackle think would dashing angels fear tread book would opinion take five years write would call contacts hard-to-find activists modern eraloosely speaking 1900 task force authors might manage would serious gaps says lot about hobby enjoy weekendContinued page 99 12 Model Aviation Heres look guidance engine com partments Rosa McMullens MRC Trainer Hawk made first flight insisted doing himselfpicturebook launch busy rudder never found throttle lever Survived hard way Preston plc MA Assistant Editor Ross McMullen removes booster lead MRC Trainer Hawk before first RC flight umpty-ump years Bill Winter wearing someones 1972 World Champs cap respect holds Rosa already buying servos take advantage 4-ch MRC radio second ship Boy girl constitute 25% McMullen brood Goeff Styles picture During Dist IVAMA Meeting John Blair lectured variety rubber jobs also flightdemonstrated big Mulvihill short-fused next Coupe P-30 table Flybaby Peanut 35-40 sec Old-Timer P-30 rules PiperCub Puss Moth CO-2 Cougar Leopard Moth Jumbo did 90 sec ease Meeting Greensboro NC Preston photo uper Mustier has just enough power haul around Norm Rosenstocks 1/4 Scale Waco Cabin Normistheguywhohadthe Church Midwing last monthand flew Winters Airknockerand Beam Rebelall years gave him backtheAlrknocker Both Norm Bill tried break RC dura tion record between 1958 1963 allday capability model theirfuel clogged Walker regulator flakes fiberglass 82-oz tank 21/2 hoursevery time Letters Editor Continued page 6 wing tip its new washout angle Use pot boiling water steam water-shrinkable materials heat gun MonoKote Coverite Check eye measurement see have warped tip same amount Other wise have will need make up difference aileron trim Its good idea check built-up wings time-to-time undesirable warps Gary B Brown Liverpool NY Worthy Recognition am writing because feel modeler has set tine example am much writer however can recount facts let judge man Ill talking about Ed Schwerkolt lives Bedford OH Ed like myself entered 1980 Nationals both flying Control Line Sport Scale Ed flying Spitfire retracts throttle engine cut-off Ed earned CL Flight Achievement Award plus 5th place however nothing compared what did crippled spectator contest flying taking place trying make adjustments improve scores young man wheeled over wheelchair dad Ed stopped doing thing just help explain eventand wonder wonders took lad put him center circle flew Spitfire just like being counted official score heart like gold Ed just shrugged off feat told him just watching dramatic event worth going Nats far important trophy Thanks listening love magazine Jim Deutsch Orange Village OH Fun/Winter Continued page 12 have letters chock-full ideas new crates useful comments things never thought beginning feel editorial pangs running miniature magazine Though cant use keep writing No other prop pulls biggie like DYNAT H RUST So far have able correspond onewhich makes us appreciate Frank Zaics monumental efforts producing incred ible yearbooks Jack Voiles 11359 Judy Dr Sterling Heights MI 48078 sends picture green machine afield box holds Sig Cadet conveni ent height odd thing about box has retractable landing gear simple toggle locks down transport retracts solid sup port field -in plywood Wholl first put flaps tote Like other guys write building Morris training tray October 1980 MA own linkage guys questions address Lt Col Bob Morris care editor hell answer directly Jack fell old trap flying out too far correcting right bank really left bank Sound familiar Now building Bridi Trainer 40 three inches span like because cant quite slow up sons enough him take over steer gently about Will have cowl rounded wing tips tail feathers flying stabilizer double-joint needle valve extension sounds good too Spring needle valve extensions turning 90 degrees rearward common years ago days carried Band Aids skinned knuckles Jack calls Skat Cat already has new passion Burt Rutans beautiful concepts have entranced Voiles tells us Did know has RC plans $475 Vari-Viggen 555 sq am planning ducted prop does 8-9 about 8000 rpm soundmaybe 4blade Jack studying prop theory librarywould like relate torque displace ment Asks ideas about helping him Now experience full motor potential Dynathrusts 100% accurate pitch airfoil Costs less buy fly because its unequaled durability 15 6 pitch $ 700 18 6 8 pitch $1000 20 8 10 pitch $1400 Prices include UPS charges MC 0 VISA C COD 0 CHECK C MO See dealer order direct 3I~STPRINc7IJ 2541 NE 11th Court Pompano Beach Florida 33062 1-305-941-9119 February 1981 99 Dealer Inquiries Invited IN STOCK FOR IMMEDIATE SHIPMENT New SUPER QUADRA $8995 BRISIGHELLA FLYWHEEL $10495 QUADRA REPAIR$1000 s KIORITZ engine 244 cuin$18995 Jim Messers ERCOUPE KIT$21995 Jim Messers TOMAHAWK KIT$23995 Concepts BIG FLEET KIT $17995 P&W RADIAL ENGINES Fleet $2995 FIBERGLASS COWL Fleet$1995 BALSA & BASSWOOD sizes 40% OFF 1/4 SCALE plans QUADRA ERCOUPE TOMAHAWK SKYBOLT$2195 SUPER STEARMAN Godfrey$2495 STARDUSTER TOO ighelia $2995 COCKPIT KiTSI Ercoupe T-Hawk $1500 Stearman Fleet F4U J-3 Cub$1850 ME-109 $1950 Citabria Nosen $2495 24-flour Service. $250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View DrAllegany NY 14706 MIKE MAS MJ MAS ENTERPRISES now offering totally new service helicopter enthosiastl One-stop shopping R/C Helicopter needs regardless what Youre flyingl discoont prices also offering free set-up flying instruction yours asking hane built flown analyzed enery major brand Helicopter anail able staff qualified answer guestions ranging installing train ing gear flying ship inverted Custom-built Helicopters include choice Helicopter Eng Radio Test Flown Limited Basisl AtA NATIONAL CHAMPION 1979 19611 Proudly Heads AMERICAN RIC HELICOPTERS FINE LINE OF HELICOPTERS COMMANDER Engine-off Landint LIST $38gg5 SPECIAL $32500 AMERICAN R/C HELICOPTER REVOLUTION II 60 SIZE LIST IAL $27995 MANTIS 40 POWERED HELICOPTER LIST $14995CALL FOR PACKAGE DEAL M J MAS ENTERPRISES P0 Box 727 Miami FL 33197 Phone 305 268-0658 21/4 Flywheel Small Magneto 15/8inSixBoll inum Hub Endorsed Don Godfrey Phone 607 722-1765 Points Sealed fn Rear Housing $189 Pre-Paid Orders Pay Shipping Dealer Inquiries Welcome L m t ed Pre-Drilled Props Available Ask About Custom Built KIORITZ Engines HELl-BOY HEADQUARTERS Sd-gLUTEn HELl- BOY 60 Size Re $38995 ONLY $34995 Sclsluter Helicopter Pasts Stock Including Pipes Fuselages Etc HE LI-BOY MAIN ROTOR BLADES Fast no 891Only $1595 ,Systeees 80 Dealer SPECIFICATIONS 242 CU 397cc 32HPat 8000 rpm Weight 61/2 lb Ball Bearings Crank Caged Rollers Rod Piston Pin Walbro Pump Garb 3 Ring Piston GIBBS HOBBY & RESEARCH 6195 HilIfield StNW NCANTON OHIO 44720 Phone216 499-8854 After 600 PM Accept Visa & Master Card NOW CARRYING THE IhhIS LINE OF FINE HELICOPTERS MODEL 505 MODEL 707 CALL FOR OUR LOW PRICES INSTRUCTIONAL TAPES NOW AVAILABLE Building Trimming C Flying Contest Flying Nonice no Espest * Autorotations setup Wractice Aerobatics/lnnerted Flight NEW FROM WORLD ENGINES ZENITH 40 POWERED HELICOPTER 5 HOUR CONSTRUCTION List $23995 SPECIAL Only $16995 Price Includes Extra Set Main Rotor j Tail Rotor BIade the address given above Personally wed opt high-rpm Schnuerledont think displacement alone relates torque job Superman second letter says loves Robart servo arms transfer linkage coil spring extension needle valve snapped off needle due vibration straight brass tube extension 4-40 socket head point missed coil spring extension can bent back anchored knob turns usual Have big Aristo crat because dont want amputated fingers modified Vari-Viggen offers formula PN V 1376 P h N V allows 233% slip What doing Half-way 6-ft Vaga bond RC-assist own old-timer FF Cleaner far big Sniffer will weigh 1 2 lbs less look forward first-class soaring Quite few have asked isnt registered Old-Timer werent sure dates now have established built 1942 Pond has plan Have scaled up Mad Test Pilots tiny foamie saw couple issues ago Its 11 inches finish will throw hat Kennedy gym 100 Model Aviation MJ MAS ENTERPRISES SPECIALISTS IN RC HELICOPTERS ENGINES BY Deep Fins ForCarb Needles &ThrottleGIBBS HOBBY & Optimum CoolingAccessible Engine Running RESEARCH Original Developer Factory Trained Authorized Master Service bad weather interrupted Winter about have John Preston test-f lythese diesel ized Davis enginesFox Eagle II left 05 60 Vehicle Prestons double-Sized Mid west Hustler Delta background really need big starter comfort though can started hand-flipping Preston photograph Maxecuters squadron Flying Aces make feel humble Build two days Inci dentally havent least built small ROG aint paid dues Putting together Pilot Model Sport-Ill K&B 19 19 25 trike version anticipate great things aileron low-wing using Airtronics new tiny servos small pack XL transmitter servoreversing capability linear exponential con trols so-called RF modelyou have some workits remarkable kit bowls over visitorsalmost worn Out showing Fuselage blue molded tough plastic wings tail built like best aerobatic jobs neatly covered white film hinge slots cut Great hardware recommend oneand rest line equal ship Pilot should coin pot full Only objection other small ships tried tiny wheels Good paved surfaces have use bigger wheels almost evcry thing grass Weve flown Krafts electric Cessna Chip munk electric dont get long lively flights gas both fly excellently good three minutes plus must use electric because flying conditions curious fine products Just careful long runout motor prolonged descent latter stages approach landing extended way since Chipmunks fly remarkably well recall recent comments MRCs 09 ver siontry bigger Midwest RF Weve urged Doug Pratt ModelRetailer put together both anticipate great flying Also satisfactorily flew MRCs Trainer Hawk Futabas trainer especially impressed Flitecrafts Cardinal Sport cabin 4-chan nels ailerons going machine groovy responsive great aileron trainer Interference proved rolled vertical corkscrew woods tore its way through giant trees came out virtually unscathed What could ask Manufacturer claims very aerobatic everything perfect ready-to-flies number sheet-balsa-covered wings finds tendency butted sheet lift slightly off foam can see seams proper light Veneer would cure Actually does affect performance find weve cut up wings Dremel jigsaw check bonding OK much foam very soft works slightly Noting wrinkle near root cabin model after flight afraid put up again home found wing could broken over knee soothe customers think some kind ajoiner would advisablethough isnt essential find grave fault plastic continuous rudder hinges hom bottom rudder will pry rudder askew Replace hinges mechanical type knocked off rudder just hooking up pushrod An easy fix Bob Bouchers Astro Flight Porterfield 6-ft Scale electric still before us Mad Test Pilot tempts us switch -scale Lacy Astros prop-drive 05 quite small acres wing area box straight edges Ugliness can beautiful well make ghost ship Out Porterfield 15 gas engine Also have original 6-ft Live Wire planan RC OldTimer have learn build faster Super Jet Hot Stuff course life savercuts time half between writing two modeling Continued page 103 Immediate delivery Send S 100 catalog products 44 TECHNOPOWERJI INC 1665OSOUTH 1O4thAVSNUEORLANDPAPKILLINOIS 60462 vy February 1981 101 Order Direct Only P0 BOX 687 DELAVAN IL 61734 VISA MASTERCHARGE PERSONAL CHECK OR MO CESS Perhaps need something bit outof-the ordinary scale competition Cessna 182 big stable aIrplane ideal scale trainer 40 engine Put 60 under cowl fly circles around competition rhe semi-symmetrical airfoil makes 182 groove yet its docile kitten total scale realism add optional flaps Trike gear pleasant ground handling kit allbalsa lots hardware molded parts speedy construction clear plans special illustrated construction booklet make kit anyone can build Kit features Span 72 Area 702 Sq 5-7 lbs flying weight 4 channel Power 40 60 181 _____________ Jack Armutrenus American Japanese Zero n Ouality card Stock Authentic semi-scale Reprints Remember Well Flew SEND SLID FLITE EtELI 620 NETILLE MIE 49066 books sundry articles aim really retire two yearsor soand build fly timeThebestlaidplansofmiceandmen Forgot 10-ft cardboard monster Whats happened FF CL guys Have given up Next month lots great CL George Aldrich Bill Winter 4330A Ito Vista Dr Fairfax VA 22030 Taylor Cub/SruII Continued page 19 leading trailing edges spars sq spruce webbed 1/32 balsa sheet far out strut attachment ribs After adding dihedral ply dihedral braces gussets form 1/32-in wire strut attach ment clips epoxy appropriate ribs Fit wing fuselage cabin top perfectly aligned drill bolt hold-down screw hole through wing cabin top plate time also epoxy ply hold-down clip wing spar wing still position fuselage make up two wing struts x / balsa After trimming fit well spot-glue aluminum tubing end pieces place slide brass strut-to-fuselage fitting slit V end strut Dont glue yet Slip struts place screw brass fittings fuselage attachment points After making sure wing lined up properly Hot Stuff brass clips place Remove struts reinforce fittings silk glue Covering finishing covered Cub medium-weight silkspan Light-weight silk would work well use low-shrink dope finishing keep warping minimum Plastic film covering could also used would probably provide lightest simplest covering finish possible would look scale-like model painted finish however case try keep weight down much possible pigmented dopes can build up weight very fast arent careful After covering silkspan water-shrunk cover ing brushed three thin coats thinned-down aluminum dopeto added small amount talcum powder filling dry areas carefully sanded 600 paper until smooth surface ready color obtained Finally wet coat aluminum dope sprayed trim areas masked off sprayed Sig Tennessee Red dope Two-inch diameter Banner wheels look about right think little durable Trexlers Make dummy cylinders scraps balsa paper tubing wire paint mixture black silver dope attach removable nose block Install favorite mini light-weight radio lets go fly Flying Make sure model balances little forward spars Check warps misalignments remove visible model weighed 18 ounces ready-to-fly performed best Cox Medalion engine overloaded 7-3 7-4 prop peaked out 6-3 6-4 prop models speed rate climb much too fast scale-likeand personal liking model type larger props muffler speed climb much scalelike graceful power reduced way however Cubs performance adequate fly almost restricted area Baseball fields corner schoolyard empty parking lots ready airports Cub Take word itthe Taylor E-2 Cub little can fuel starting battery can give much flying fun RC model ever have flown Enjoy writing advmtiumem mention reed about MA February 1981 103 OS MAX 61 FSR wnuttle $ 10800 delivered Rear Exhaust Same Price Call 408-274-1915. RAC Products 3200 Knightswood Way .*a Jose CA 95148 WEVE EXPANOEDI SCALE DRAWINGSPHOTOS BOOKLETS REPLA TECH NTERNA ONA CATALOGS $20048500 0CKSNZ 5 HW r AlTENTION QUADRA OWNERS! ra hard start because no really effective way choke Would like add solid 100-200 RPM top speed engine THEN CHECK THIS OUT Combination choke ram induction * Guarantees quick starting hand * Eliminates throttle spit * Allows use partial choke warm-up lute must Lectra-Starter * Install minutes extra servo pushrod cockpit * Eliminates using finger usually causes flooding * Doubles kill * Uses prop blast extra RPMs Send $1495 check money order Gardner-Burrell 6005 Cliff Drive Fort Smith Ark 72903 hh
Edition: Model Aviation - 1981/02
Page Numbers: 10, 11, 12, 99, 100, 101, 103
The Quarter-Scale General Aristocrat has flown momentous occasion November 8 Prestons plc enormous 25-lb bird Bill Winter Don Srull L-R behind wings taken week earlier weatherwasnt sufficiently cooperative Weve printed pictures before Aristocrat various stages construciton Winter says didnt really sink huge until covered painted First flight beautabsolutely perfect Takeoff two-thirds throttle Tartan engine cruise about half throttle Curiously first days flying Aristocrat didnt show need shock-absorbing landing gear Likely thats because light wing loading good pilotingnot case big birds future Possibly selective coupler rudder ailerons THE MOMENT truth hand time read -scale Aristocratfall weather permittingwill have flown Lets just say hope fly Perhaps majesty flight will rekindle interest big airplanes lifelong curse including six-foot Rubber Scale jobs nine-footerbut right now wed never again guys build lovely biggies take word almost folks master craftsmen Using ordinary techniques can have measure fun basic framework oh details fittings crudest design ragged reef tear out bottom Time slowed down things go forever Captain Ahab White Whale better alf calls Orca Having got far basic installation suggested Mad Test Pilot Don Srull since going have fun flying thing perhaps hed help push over edge its six months behind schedule gotten Hobby Lobby huge black bellcranks have rows holes installing cable point HLs Jim Martin realized no cable material go pulleys stuff stocks So added cables crimping tool etc lineas see now ads sent us samples 20- 30-lb test cable Once youve used cable youll settle nothing else smoothness definition control movements just incredible pushrod man So afternoon Mad Test Pilot sprayed itand uswhile steadied things solved strut problem using arrow shafts sandwiched between two pieces balsa routed-out bench saw doped Out fittings climbed few walls made struts lathe hand stuff like troublesome details almost beyond own ability relatively easy him added cables Since happened Airtronics systemservo reversing mysterious stuffhad just arrived decided Scenes Keystone RC Clubs First Annual Electric Fly Top Bob Kopskis 6-ft Stand-Off Scale J-3 Astro 15 belt-drive system 12-B prop Scratch-built simi lar Astro Porterfield Weighs 4 lb 6 oz has very realistic flight Middle Astro Partenavia Heinz Koerner has twin Astro 075s likes better twin 05 system de signed Has 10 12 amp-hr cells Above John Hickeys Soar Birdy glider modified Astro 075 Several members KRCC fly combinationrate highly remove existing system same time putting monster servos elevator rudder semi-monsters wing root ailerons Now something no talks about you have weight aileron servoand ailerons dont offset other weight-wise Consider dropon landing statically dynamically balanced receiver flew first 8-ft low wing Bill Hershberger calling test conditionsnot something faint hearted Far out high up approaches low antenna pointed tail nose ship build things think twice before opt dream ship much work will involvewhat rigging fittings would practical select ship its simplicity Today big daybut rained blew next shot two weeks off will eastern 10 Model Aviation 9wi&FJ tIu~ij2J e Bill Winter voiia aug nus uren N first tote sport retractabue wneels JacK Vari-Viggen stuff ducted-fan pusher Seetext Voiles thoughts/questions some RTFs Bill Winter has flying recently Top Left Winter hand-Isunching Goldberg Ranger 42 market yearsenjoys enviable reputation among foamies Great configurationnice gas electric especially good dont have run like Winter doing likes match flying speed Top Right Sleek looking Futaba Trainergoes straightas arrow grooves well Its 3-channelincludes Futaba AC system K&B 19 Above Left Smooth responsive excellent aileron trainer Flightcrafts Cardinal Sport 4-channel strip ailerons Futaba Flitecraft Winter gilded lily molding front back cabin fillets match wings Heres wrap wing center-section Saran Wrap strap wings mold fillets Sigs Epoxylite Shapes wet finger allowed set up rock-hard becomes tough filing job Above Right Close-up Cardinal Sport shows blending cabin wing virtually imperceptible John Preston pica weather hold Now October 24 Last night ran World Engines Tartan first time side-mounted right stacks pointing down carb top Primed pulled through three times off went first flip Five starts first flip have dire predictions points compassget engine youll never make Baloney engine idles responds well 5% nitro fuel used required bracing body hold back ship throttle opened Mad Test Pilot doubts wants open wide takeoff lead ballastdesigned balance certain popular engine weighs 1 pounds Tartanit weighs 25 lbs fueled Span 9 ft 4 chord 18 Prop Top Flite 18-6 will also try 20-6 Barring mechanical failure no way ship wont fly well indeed surprising finding no exhaust residue airplane raw fuel overflow under nose back gear No wiping So glow messy exhaust really blasts downward Fuel economy reason able fly before deadline issue therell word elsewhere statement will rouse natives positive hand-starting safer electric starter No way can get us press starter against prop have hand-started Cubs Airknockers home treat ing real airplanewhich Position prop about oclock having primed pulled through flipped no booster four fingers behind prop pull through mighty flip carrying arm hand through like golf strokefar away prop Kneel well back no loose clothing sure February 198111 FINAL WORD early retirement has blown out proportion wasnt squeezed out Headquarters staff gave great farewell get-together heartfelt regrets expressed over leaving would have retired January 1 1981 anyway Prior action has caused substantial loss income did leave did editorial conscience did allow live presidents column Mr Cain five years staff satisfies Headquarters people did deserve criticism re ceived during last two years wanted no What critic volun teers similar sacrifice So left realization elected Executive Council runs AMA president executive director Executive Council prevent use Model Aviation political purposesa crushing advantage incumbentswe would see lasting peace truth meantime Im happier write Just Fun rather accept pay printing poison would tear down what others have built upBILL WINTER helper has trunk well anchored think safest airplane have ever started half-As much nastier Wed rather build tapered wing now struts well leave bipes fire-eaters scratch-design -build work out drawings detail before start easily broken resolution example top rudder post fuselage point everything go through aeronautical Times Square six months project before figured out put together yet take apart Try think things out firsttake weeks months need Resolve youll last thing Consider shop tools dont have motor-driven jigsaw sander drill press youll rebuilding pyramids Should find metal parts need slotted drilled Lord knows what else know anyone can help Frankly wed recommend kit darn sure what kit Some guys dont favors some kits excellent Ask around Another factor what type plane real may look great racer example wing has less area loading airspeed go uplanding gets harder youll need mind-blowing shock arrange ments Any real airplane flaps will faster too because its area probably will less can make flaps work worth warned biggie like ordinary model truly home-built airplane demands finishedlike putting kid through college cant let go Having said weve talking yet another real ship span will come out less six feet quarter-scale no struts Thats human-size dimension can use cheaper popular engine recent Keystone RC Clubs First Annual Electric Fly club field Hatfield PA September 28 shook up Eastern troops interest electric has spreading us seem think indigenous West Coast Talking Bob Kopski leam 24 electric planes flew beautiful weather atmosphere casual fun KRC has 18 operational electrics club displays meet included Stand-Off Scale twin four engines simple aerobatics motor giiders Events best-looking plane longest flight time aerobatic sur prisesand Comp low-keyfun fortissimo Three years ago Bob electric flier club note some interesting things industry outdid itself prizes quite unexpectedly flyers sent Out about 50 clubs proved compara tively few people reached routethis deficiency will greatly reduced future So RCers turned out watch voice regret no electricsthat KRC already planning Second Annual predict major eastern event Missouri show-me state New Yorkand much Eastis takes East long time turn new inevitable things Bob says far action has out West decade will witness dominance electric Could be. KRC hoped see Just Fun Its fun believe climb band wagon alacrity Ye Olde Fairfax Glue Works has infiltratedmore months come debt Mr WP Welsh Technical Counseler FM Paris forthis information about old time modelers may recall last month made reference modelers going back Napoleonic Wars Alphonse Penaud made models 100 years ago has chosen FAI annual award bearing name under conditions laid down FAIs Internal Regulations course preceded George Cayley made rather basic model helicopter 1796 similar demonstrated 12 years earlier Mr Lamoy Mr Bienvenu before Academy Science Paris April 28 1784 Mr Welsh informs us However 1804 Cayley flew what generally recognized first successful flying model fitted movable weight often think control simple helicopterWW adjust center gravity 1809 scaled up glider capable carrying boy Another Frenchman Felix du Temple de Ia Croix regarded being first fly powered model about 1857 Mr Welsh goes small clockwork motor later replaced minute steam engine Well quote FAIs fact sheet Penaud award French pioneer born 1850 son admiral just admitted Naval College serious illness put end career sailor invalids chair observed flight sparrows devoted himself study heavier-than-air machine several small helicopters built him 18th August 1871 experimented model aero plane Planophore covered distance 60 meters 1 3 seconds thanks its rubber motor Finally 1876 Gauchot patented twin-propeller tailless aeroplane retractable undercarriage mono-controlled compensated control surfaces Having found no build machine very weakened illness despaired seeing work succeed committed suicide 1880 age 30 What prompted Mr Welsh supply enchanting information reading September ModelAviationit does get around compiling history aeromodeling correctly remarked ll no doubt serve introduction monumental task have undertaken will two books humbly advised Mr Welsh proferred assistance such task indeed too monumental us tackle think would dashing angels fear tread book would opinion take five years write would call contacts hard-to-find activists modern eraloosely speaking 1900 task force authors might manage would serious gaps says lot about hobby enjoy weekendContinued page 99 12 Model Aviation Heres look guidance engine com partments Rosa McMullens MRC Trainer Hawk made first flight insisted doing himselfpicturebook launch busy rudder never found throttle lever Survived hard way Preston plc MA Assistant Editor Ross McMullen removes booster lead MRC Trainer Hawk before first RC flight umpty-ump years Bill Winter wearing someones 1972 World Champs cap respect holds Rosa already buying servos take advantage 4-ch MRC radio second ship Boy girl constitute 25% McMullen brood Goeff Styles picture During Dist IVAMA Meeting John Blair lectured variety rubber jobs also flightdemonstrated big Mulvihill short-fused next Coupe P-30 table Flybaby Peanut 35-40 sec Old-Timer P-30 rules PiperCub Puss Moth CO-2 Cougar Leopard Moth Jumbo did 90 sec ease Meeting Greensboro NC Preston photo uper Mustier has just enough power haul around Norm Rosenstocks 1/4 Scale Waco Cabin Normistheguywhohadthe Church Midwing last monthand flew Winters Airknockerand Beam Rebelall years gave him backtheAlrknocker Both Norm Bill tried break RC dura tion record between 1958 1963 allday capability model theirfuel clogged Walker regulator flakes fiberglass 82-oz tank 21/2 hoursevery time Letters Editor Continued page 6 wing tip its new washout angle Use pot boiling water steam water-shrinkable materials heat gun MonoKote Coverite Check eye measurement see have warped tip same amount Other wise have will need make up difference aileron trim Its good idea check built-up wings time-to-time undesirable warps Gary B Brown Liverpool NY Worthy Recognition am writing because feel modeler has set tine example am much writer however can recount facts let judge man Ill talking about Ed Schwerkolt lives Bedford OH Ed like myself entered 1980 Nationals both flying Control Line Sport Scale Ed flying Spitfire retracts throttle engine cut-off Ed earned CL Flight Achievement Award plus 5th place however nothing compared what did crippled spectator contest flying taking place trying make adjustments improve scores young man wheeled over wheelchair dad Ed stopped doing thing just help explain eventand wonder wonders took lad put him center circle flew Spitfire just like being counted official score heart like gold Ed just shrugged off feat told him just watching dramatic event worth going Nats far important trophy Thanks listening love magazine Jim Deutsch Orange Village OH Fun/Winter Continued page 12 have letters chock-full ideas new crates useful comments things never thought beginning feel editorial pangs running miniature magazine Though cant use keep writing No other prop pulls biggie like DYNAT H RUST So far have able correspond onewhich makes us appreciate Frank Zaics monumental efforts producing incred ible yearbooks Jack Voiles 11359 Judy Dr Sterling Heights MI 48078 sends picture green machine afield box holds Sig Cadet conveni ent height odd thing about box has retractable landing gear simple toggle locks down transport retracts solid sup port field -in plywood Wholl first put flaps tote Like other guys write building Morris training tray October 1980 MA own linkage guys questions address Lt Col Bob Morris care editor hell answer directly Jack fell old trap flying out too far correcting right bank really left bank Sound familiar Now building Bridi Trainer 40 three inches span like because cant quite slow up sons enough him take over steer gently about Will have cowl rounded wing tips tail feathers flying stabilizer double-joint needle valve extension sounds good too Spring needle valve extensions turning 90 degrees rearward common years ago days carried Band Aids skinned knuckles Jack calls Skat Cat already has new passion Burt Rutans beautiful concepts have entranced Voiles tells us Did know has RC plans $475 Vari-Viggen 555 sq am planning ducted prop does 8-9 about 8000 rpm soundmaybe 4blade Jack studying prop theory librarywould like relate torque displace ment Asks ideas about helping him Now experience full motor potential Dynathrusts 100% accurate pitch airfoil Costs less buy fly because its unequaled durability 15 6 pitch $ 700 18 6 8 pitch $1000 20 8 10 pitch $1400 Prices include UPS charges MC 0 VISA C COD 0 CHECK C MO See dealer order direct 3I~STPRINc7IJ 2541 NE 11th Court Pompano Beach Florida 33062 1-305-941-9119 February 1981 99 Dealer Inquiries Invited IN STOCK FOR IMMEDIATE SHIPMENT New SUPER QUADRA $8995 BRISIGHELLA FLYWHEEL $10495 QUADRA REPAIR$1000 s KIORITZ engine 244 cuin$18995 Jim Messers ERCOUPE KIT$21995 Jim Messers TOMAHAWK KIT$23995 Concepts BIG FLEET KIT $17995 P&W RADIAL ENGINES Fleet $2995 FIBERGLASS COWL Fleet$1995 BALSA & BASSWOOD sizes 40% OFF 1/4 SCALE plans QUADRA ERCOUPE TOMAHAWK SKYBOLT$2195 SUPER STEARMAN Godfrey$2495 STARDUSTER TOO ighelia $2995 COCKPIT KiTSI Ercoupe T-Hawk $1500 Stearman Fleet F4U J-3 Cub$1850 ME-109 $1950 Citabria Nosen $2495 24-flour Service. $250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View DrAllegany NY 14706 MIKE MAS MJ MAS ENTERPRISES now offering totally new service helicopter enthosiastl One-stop shopping R/C Helicopter needs regardless what Youre flyingl discoont prices also offering free set-up flying instruction yours asking hane built flown analyzed enery major brand Helicopter anail able staff qualified answer guestions ranging installing train ing gear flying ship inverted Custom-built Helicopters include choice Helicopter Eng Radio Test Flown Limited Basisl AtA NATIONAL CHAMPION 1979 19611 Proudly Heads AMERICAN RIC HELICOPTERS FINE LINE OF HELICOPTERS COMMANDER Engine-off Landint LIST $38gg5 SPECIAL $32500 AMERICAN R/C HELICOPTER REVOLUTION II 60 SIZE LIST IAL $27995 MANTIS 40 POWERED HELICOPTER LIST $14995CALL FOR PACKAGE DEAL M J MAS ENTERPRISES P0 Box 727 Miami FL 33197 Phone 305 268-0658 21/4 Flywheel Small Magneto 15/8inSixBoll inum Hub Endorsed Don Godfrey Phone 607 722-1765 Points Sealed fn Rear Housing $189 Pre-Paid Orders Pay Shipping Dealer Inquiries Welcome L m t ed Pre-Drilled Props Available Ask About Custom Built KIORITZ Engines HELl-BOY HEADQUARTERS Sd-gLUTEn HELl- BOY 60 Size Re $38995 ONLY $34995 Sclsluter Helicopter Pasts Stock Including Pipes Fuselages Etc HE LI-BOY MAIN ROTOR BLADES Fast no 891Only $1595 ,Systeees 80 Dealer SPECIFICATIONS 242 CU 397cc 32HPat 8000 rpm Weight 61/2 lb Ball Bearings Crank Caged Rollers Rod Piston Pin Walbro Pump Garb 3 Ring Piston GIBBS HOBBY & RESEARCH 6195 HilIfield StNW NCANTON OHIO 44720 Phone216 499-8854 After 600 PM Accept Visa & Master Card NOW CARRYING THE IhhIS LINE OF FINE HELICOPTERS MODEL 505 MODEL 707 CALL FOR OUR LOW PRICES INSTRUCTIONAL TAPES NOW AVAILABLE Building Trimming C Flying Contest Flying Nonice no Espest * Autorotations setup Wractice Aerobatics/lnnerted Flight NEW FROM WORLD ENGINES ZENITH 40 POWERED HELICOPTER 5 HOUR CONSTRUCTION List $23995 SPECIAL Only $16995 Price Includes Extra Set Main Rotor j Tail Rotor BIade the address given above Personally wed opt high-rpm Schnuerledont think displacement alone relates torque job Superman second letter says loves Robart servo arms transfer linkage coil spring extension needle valve snapped off needle due vibration straight brass tube extension 4-40 socket head point missed coil spring extension can bent back anchored knob turns usual Have big Aristo crat because dont want amputated fingers modified Vari-Viggen offers formula PN V 1376 P h N V allows 233% slip What doing Half-way 6-ft Vaga bond RC-assist own old-timer FF Cleaner far big Sniffer will weigh 1 2 lbs less look forward first-class soaring Quite few have asked isnt registered Old-Timer werent sure dates now have established built 1942 Pond has plan Have scaled up Mad Test Pilots tiny foamie saw couple issues ago Its 11 inches finish will throw hat Kennedy gym 100 Model Aviation MJ MAS ENTERPRISES SPECIALISTS IN RC HELICOPTERS ENGINES BY Deep Fins ForCarb Needles &ThrottleGIBBS HOBBY & Optimum CoolingAccessible Engine Running RESEARCH Original Developer Factory Trained Authorized Master Service bad weather interrupted Winter about have John Preston test-f lythese diesel ized Davis enginesFox Eagle II left 05 60 Vehicle Prestons double-Sized Mid west Hustler Delta background really need big starter comfort though can started hand-flipping Preston photograph Maxecuters squadron Flying Aces make feel humble Build two days Inci dentally havent least built small ROG aint paid dues Putting together Pilot Model Sport-Ill K&B 19 19 25 trike version anticipate great things aileron low-wing using Airtronics new tiny servos small pack XL transmitter servoreversing capability linear exponential con trols so-called RF modelyou have some workits remarkable kit bowls over visitorsalmost worn Out showing Fuselage blue molded tough plastic wings tail built like best aerobatic jobs neatly covered white film hinge slots cut Great hardware recommend oneand rest line equal ship Pilot should coin pot full Only objection other small ships tried tiny wheels Good paved surfaces have use bigger wheels almost evcry thing grass Weve flown Krafts electric Cessna Chip munk electric dont get long lively flights gas both fly excellently good three minutes plus must use electric because flying conditions curious fine products Just careful long runout motor prolonged descent latter stages approach landing extended way since Chipmunks fly remarkably well recall recent comments MRCs 09 ver siontry bigger Midwest RF Weve urged Doug Pratt ModelRetailer put together both anticipate great flying Also satisfactorily flew MRCs Trainer Hawk Futabas trainer especially impressed Flitecrafts Cardinal Sport cabin 4-chan nels ailerons going machine groovy responsive great aileron trainer Interference proved rolled vertical corkscrew woods tore its way through giant trees came out virtually unscathed What could ask Manufacturer claims very aerobatic everything perfect ready-to-flies number sheet-balsa-covered wings finds tendency butted sheet lift slightly off foam can see seams proper light Veneer would cure Actually does affect performance find weve cut up wings Dremel jigsaw check bonding OK much foam very soft works slightly Noting wrinkle near root cabin model after flight afraid put up again home found wing could broken over knee soothe customers think some kind ajoiner would advisablethough isnt essential find grave fault plastic continuous rudder hinges hom bottom rudder will pry rudder askew Replace hinges mechanical type knocked off rudder just hooking up pushrod An easy fix Bob Bouchers Astro Flight Porterfield 6-ft Scale electric still before us Mad Test Pilot tempts us switch -scale Lacy Astros prop-drive 05 quite small acres wing area box straight edges Ugliness can beautiful well make ghost ship Out Porterfield 15 gas engine Also have original 6-ft Live Wire planan RC OldTimer have learn build faster Super Jet Hot Stuff course life savercuts time half between writing two modeling Continued page 103 Immediate delivery Send S 100 catalog products 44 TECHNOPOWERJI INC 1665OSOUTH 1O4thAVSNUEORLANDPAPKILLINOIS 60462 vy February 1981 101 Order Direct Only P0 BOX 687 DELAVAN IL 61734 VISA MASTERCHARGE PERSONAL CHECK OR MO CESS Perhaps need something bit outof-the ordinary scale competition Cessna 182 big stable aIrplane ideal scale trainer 40 engine Put 60 under cowl fly circles around competition rhe semi-symmetrical airfoil makes 182 groove yet its docile kitten total scale realism add optional flaps Trike gear pleasant ground handling kit allbalsa lots hardware molded parts speedy construction clear plans special illustrated construction booklet make kit anyone can build Kit features Span 72 Area 702 Sq 5-7 lbs flying weight 4 channel Power 40 60 181 _____________ Jack Armutrenus American Japanese Zero n Ouality card Stock Authentic semi-scale Reprints Remember Well Flew SEND SLID FLITE EtELI 620 NETILLE MIE 49066 books sundry articles aim really retire two yearsor soand build fly timeThebestlaidplansofmiceandmen Forgot 10-ft cardboard monster Whats happened FF CL guys Have given up Next month lots great CL George Aldrich Bill Winter 4330A Ito Vista Dr Fairfax VA 22030 Taylor Cub/SruII Continued page 19 leading trailing edges spars sq spruce webbed 1/32 balsa sheet far out strut attachment ribs After adding dihedral ply dihedral braces gussets form 1/32-in wire strut attach ment clips epoxy appropriate ribs Fit wing fuselage cabin top perfectly aligned drill bolt hold-down screw hole through wing cabin top plate time also epoxy ply hold-down clip wing spar wing still position fuselage make up two wing struts x / balsa After trimming fit well spot-glue aluminum tubing end pieces place slide brass strut-to-fuselage fitting slit V end strut Dont glue yet Slip struts place screw brass fittings fuselage attachment points After making sure wing lined up properly Hot Stuff brass clips place Remove struts reinforce fittings silk glue Covering finishing covered Cub medium-weight silkspan Light-weight silk would work well use low-shrink dope finishing keep warping minimum Plastic film covering could also used would probably provide lightest simplest covering finish possible would look scale-like model painted finish however case try keep weight down much possible pigmented dopes can build up weight very fast arent careful After covering silkspan water-shrunk cover ing brushed three thin coats thinned-down aluminum dopeto added small amount talcum powder filling dry areas carefully sanded 600 paper until smooth surface ready color obtained Finally wet coat aluminum dope sprayed trim areas masked off sprayed Sig Tennessee Red dope Two-inch diameter Banner wheels look about right think little durable Trexlers Make dummy cylinders scraps balsa paper tubing wire paint mixture black silver dope attach removable nose block Install favorite mini light-weight radio lets go fly Flying Make sure model balances little forward spars Check warps misalignments remove visible model weighed 18 ounces ready-to-fly performed best Cox Medalion engine overloaded 7-3 7-4 prop peaked out 6-3 6-4 prop models speed rate climb much too fast scale-likeand personal liking model type larger props muffler speed climb much scalelike graceful power reduced way however Cubs performance adequate fly almost restricted area Baseball fields corner schoolyard empty parking lots ready airports Cub Take word itthe Taylor E-2 Cub little can fuel starting battery can give much flying fun RC model ever have flown Enjoy writing advmtiumem mention reed about MA February 1981 103 OS MAX 61 FSR wnuttle $ 10800 delivered Rear Exhaust Same Price Call 408-274-1915. RAC Products 3200 Knightswood Way .*a Jose CA 95148 WEVE EXPANOEDI SCALE DRAWINGSPHOTOS BOOKLETS REPLA TECH NTERNA ONA CATALOGS $20048500 0CKSNZ 5 HW r AlTENTION QUADRA OWNERS! ra hard start because no really effective way choke Would like add solid 100-200 RPM top speed engine THEN CHECK THIS OUT Combination choke ram induction * Guarantees quick starting hand * Eliminates throttle spit * Allows use partial choke warm-up lute must Lectra-Starter * Install minutes extra servo pushrod cockpit * Eliminates using finger usually causes flooding * Doubles kill * Uses prop blast extra RPMs Send $1495 check money order Gardner-Burrell 6005 Cliff Drive Fort Smith Ark 72903 hh
Edition: Model Aviation - 1981/02
Page Numbers: 10, 11, 12, 99, 100, 101, 103
The Quarter-Scale General Aristocrat has flown momentous occasion November 8 Prestons plc enormous 25-lb bird Bill Winter Don Srull L-R behind wings taken week earlier weatherwasnt sufficiently cooperative Weve printed pictures before Aristocrat various stages construciton Winter says didnt really sink huge until covered painted First flight beautabsolutely perfect Takeoff two-thirds throttle Tartan engine cruise about half throttle Curiously first days flying Aristocrat didnt show need shock-absorbing landing gear Likely thats because light wing loading good pilotingnot case big birds future Possibly selective coupler rudder ailerons THE MOMENT truth hand time read -scale Aristocratfall weather permittingwill have flown Lets just say hope fly Perhaps majesty flight will rekindle interest big airplanes lifelong curse including six-foot Rubber Scale jobs nine-footerbut right now wed never again guys build lovely biggies take word almost folks master craftsmen Using ordinary techniques can have measure fun basic framework oh details fittings crudest design ragged reef tear out bottom Time slowed down things go forever Captain Ahab White Whale better alf calls Orca Having got far basic installation suggested Mad Test Pilot Don Srull since going have fun flying thing perhaps hed help push over edge its six months behind schedule gotten Hobby Lobby huge black bellcranks have rows holes installing cable point HLs Jim Martin realized no cable material go pulleys stuff stocks So added cables crimping tool etc lineas see now ads sent us samples 20- 30-lb test cable Once youve used cable youll settle nothing else smoothness definition control movements just incredible pushrod man So afternoon Mad Test Pilot sprayed itand uswhile steadied things solved strut problem using arrow shafts sandwiched between two pieces balsa routed-out bench saw doped Out fittings climbed few walls made struts lathe hand stuff like troublesome details almost beyond own ability relatively easy him added cables Since happened Airtronics systemservo reversing mysterious stuffhad just arrived decided Scenes Keystone RC Clubs First Annual Electric Fly Top Bob Kopskis 6-ft Stand-Off Scale J-3 Astro 15 belt-drive system 12-B prop Scratch-built simi lar Astro Porterfield Weighs 4 lb 6 oz has very realistic flight Middle Astro Partenavia Heinz Koerner has twin Astro 075s likes better twin 05 system de signed Has 10 12 amp-hr cells Above John Hickeys Soar Birdy glider modified Astro 075 Several members KRCC fly combinationrate highly remove existing system same time putting monster servos elevator rudder semi-monsters wing root ailerons Now something no talks about you have weight aileron servoand ailerons dont offset other weight-wise Consider dropon landing statically dynamically balanced receiver flew first 8-ft low wing Bill Hershberger calling test conditionsnot something faint hearted Far out high up approaches low antenna pointed tail nose ship build things think twice before opt dream ship much work will involvewhat rigging fittings would practical select ship its simplicity Today big daybut rained blew next shot two weeks off will eastern 10 Model Aviation 9wi&FJ tIu~ij2J e Bill Winter voiia aug nus uren N first tote sport retractabue wneels JacK Vari-Viggen stuff ducted-fan pusher Seetext Voiles thoughts/questions some RTFs Bill Winter has flying recently Top Left Winter hand-Isunching Goldberg Ranger 42 market yearsenjoys enviable reputation among foamies Great configurationnice gas electric especially good dont have run like Winter doing likes match flying speed Top Right Sleek looking Futaba Trainergoes straightas arrow grooves well Its 3-channelincludes Futaba AC system K&B 19 Above Left Smooth responsive excellent aileron trainer Flightcrafts Cardinal Sport 4-channel strip ailerons Futaba Flitecraft Winter gilded lily molding front back cabin fillets match wings Heres wrap wing center-section Saran Wrap strap wings mold fillets Sigs Epoxylite Shapes wet finger allowed set up rock-hard becomes tough filing job Above Right Close-up Cardinal Sport shows blending cabin wing virtually imperceptible John Preston pica weather hold Now October 24 Last night ran World Engines Tartan first time side-mounted right stacks pointing down carb top Primed pulled through three times off went first flip Five starts first flip have dire predictions points compassget engine youll never make Baloney engine idles responds well 5% nitro fuel used required bracing body hold back ship throttle opened Mad Test Pilot doubts wants open wide takeoff lead ballastdesigned balance certain popular engine weighs 1 pounds Tartanit weighs 25 lbs fueled Span 9 ft 4 chord 18 Prop Top Flite 18-6 will also try 20-6 Barring mechanical failure no way ship wont fly well indeed surprising finding no exhaust residue airplane raw fuel overflow under nose back gear No wiping So glow messy exhaust really blasts downward Fuel economy reason able fly before deadline issue therell word elsewhere statement will rouse natives positive hand-starting safer electric starter No way can get us press starter against prop have hand-started Cubs Airknockers home treat ing real airplanewhich Position prop about oclock having primed pulled through flipped no booster four fingers behind prop pull through mighty flip carrying arm hand through like golf strokefar away prop Kneel well back no loose clothing sure February 198111 FINAL WORD early retirement has blown out proportion wasnt squeezed out Headquarters staff gave great farewell get-together heartfelt regrets expressed over leaving would have retired January 1 1981 anyway Prior action has caused substantial loss income did leave did editorial conscience did allow live presidents column Mr Cain five years staff satisfies Headquarters people did deserve criticism re ceived during last two years wanted no What critic volun teers similar sacrifice So left realization elected Executive Council runs AMA president executive director Executive Council prevent use Model Aviation political purposesa crushing advantage incumbentswe would see lasting peace truth meantime Im happier write Just Fun rather accept pay printing poison would tear down what others have built upBILL WINTER helper has trunk well anchored think safest airplane have ever started half-As much nastier Wed rather build tapered wing now struts well leave bipes fire-eaters scratch-design -build work out drawings detail before start easily broken resolution example top rudder post fuselage point everything go through aeronautical Times Square six months project before figured out put together yet take apart Try think things out firsttake weeks months need Resolve youll last thing Consider shop tools dont have motor-driven jigsaw sander drill press youll rebuilding pyramids Should find metal parts need slotted drilled Lord knows what else know anyone can help Frankly wed recommend kit darn sure what kit Some guys dont favors some kits excellent Ask around Another factor what type plane real may look great racer example wing has less area loading airspeed go uplanding gets harder youll need mind-blowing shock arrange ments Any real airplane flaps will faster too because its area probably will less can make flaps work worth warned biggie like ordinary model truly home-built airplane demands finishedlike putting kid through college cant let go Having said weve talking yet another real ship span will come out less six feet quarter-scale no struts Thats human-size dimension can use cheaper popular engine recent Keystone RC Clubs First Annual Electric Fly club field Hatfield PA September 28 shook up Eastern troops interest electric has spreading us seem think indigenous West Coast Talking Bob Kopski leam 24 electric planes flew beautiful weather atmosphere casual fun KRC has 18 operational electrics club displays meet included Stand-Off Scale twin four engines simple aerobatics motor giiders Events best-looking plane longest flight time aerobatic sur prisesand Comp low-keyfun fortissimo Three years ago Bob electric flier club note some interesting things industry outdid itself prizes quite unexpectedly flyers sent Out about 50 clubs proved compara tively few people reached routethis deficiency will greatly reduced future So RCers turned out watch voice regret no electricsthat KRC already planning Second Annual predict major eastern event Missouri show-me state New Yorkand much Eastis takes East long time turn new inevitable things Bob says far action has out West decade will witness dominance electric Could be. KRC hoped see Just Fun Its fun believe climb band wagon alacrity Ye Olde Fairfax Glue Works has infiltratedmore months come debt Mr WP Welsh Technical Counseler FM Paris forthis information about old time modelers may recall last month made reference modelers going back Napoleonic Wars Alphonse Penaud made models 100 years ago has chosen FAI annual award bearing name under conditions laid down FAIs Internal Regulations course preceded George Cayley made rather basic model helicopter 1796 similar demonstrated 12 years earlier Mr Lamoy Mr Bienvenu before Academy Science Paris April 28 1784 Mr Welsh informs us However 1804 Cayley flew what generally recognized first successful flying model fitted movable weight often think control simple helicopterWW adjust center gravity 1809 scaled up glider capable carrying boy Another Frenchman Felix du Temple de Ia Croix regarded being first fly powered model about 1857 Mr Welsh goes small clockwork motor later replaced minute steam engine Well quote FAIs fact sheet Penaud award French pioneer born 1850 son admiral just admitted Naval College serious illness put end career sailor invalids chair observed flight sparrows devoted himself study heavier-than-air machine several small helicopters built him 18th August 1871 experimented model aero plane Planophore covered distance 60 meters 1 3 seconds thanks its rubber motor Finally 1876 Gauchot patented twin-propeller tailless aeroplane retractable undercarriage mono-controlled compensated control surfaces Having found no build machine very weakened illness despaired seeing work succeed committed suicide 1880 age 30 What prompted Mr Welsh supply enchanting information reading September ModelAviationit does get around compiling history aeromodeling correctly remarked ll no doubt serve introduction monumental task have undertaken will two books humbly advised Mr Welsh proferred assistance such task indeed too monumental us tackle think would dashing angels fear tread book would opinion take five years write would call contacts hard-to-find activists modern eraloosely speaking 1900 task force authors might manage would serious gaps says lot about hobby enjoy weekendContinued page 99 12 Model Aviation Heres look guidance engine com partments Rosa McMullens MRC Trainer Hawk made first flight insisted doing himselfpicturebook launch busy rudder never found throttle lever Survived hard way Preston plc MA Assistant Editor Ross McMullen removes booster lead MRC Trainer Hawk before first RC flight umpty-ump years Bill Winter wearing someones 1972 World Champs cap respect holds Rosa already buying servos take advantage 4-ch MRC radio second ship Boy girl constitute 25% McMullen brood Goeff Styles picture During Dist IVAMA Meeting John Blair lectured variety rubber jobs also flightdemonstrated big Mulvihill short-fused next Coupe P-30 table Flybaby Peanut 35-40 sec Old-Timer P-30 rules PiperCub Puss Moth CO-2 Cougar Leopard Moth Jumbo did 90 sec ease Meeting Greensboro NC Preston photo uper Mustier has just enough power haul around Norm Rosenstocks 1/4 Scale Waco Cabin Normistheguywhohadthe Church Midwing last monthand flew Winters Airknockerand Beam Rebelall years gave him backtheAlrknocker Both Norm Bill tried break RC dura tion record between 1958 1963 allday capability model theirfuel clogged Walker regulator flakes fiberglass 82-oz tank 21/2 hoursevery time Letters Editor Continued page 6 wing tip its new washout angle Use pot boiling water steam water-shrinkable materials heat gun MonoKote Coverite Check eye measurement see have warped tip same amount Other wise have will need make up difference aileron trim Its good idea check built-up wings time-to-time undesirable warps Gary B Brown Liverpool NY Worthy Recognition am writing because feel modeler has set tine example am much writer however can recount facts let judge man Ill talking about Ed Schwerkolt lives Bedford OH Ed like myself entered 1980 Nationals both flying Control Line Sport Scale Ed flying Spitfire retracts throttle engine cut-off Ed earned CL Flight Achievement Award plus 5th place however nothing compared what did crippled spectator contest flying taking place trying make adjustments improve scores young man wheeled over wheelchair dad Ed stopped doing thing just help explain eventand wonder wonders took lad put him center circle flew Spitfire just like being counted official score heart like gold Ed just shrugged off feat told him just watching dramatic event worth going Nats far important trophy Thanks listening love magazine Jim Deutsch Orange Village OH Fun/Winter Continued page 12 have letters chock-full ideas new crates useful comments things never thought beginning feel editorial pangs running miniature magazine Though cant use keep writing No other prop pulls biggie like DYNAT H RUST So far have able correspond onewhich makes us appreciate Frank Zaics monumental efforts producing incred ible yearbooks Jack Voiles 11359 Judy Dr Sterling Heights MI 48078 sends picture green machine afield box holds Sig Cadet conveni ent height odd thing about box has retractable landing gear simple toggle locks down transport retracts solid sup port field -in plywood Wholl first put flaps tote Like other guys write building Morris training tray October 1980 MA own linkage guys questions address Lt Col Bob Morris care editor hell answer directly Jack fell old trap flying out too far correcting right bank really left bank Sound familiar Now building Bridi Trainer 40 three inches span like because cant quite slow up sons enough him take over steer gently about Will have cowl rounded wing tips tail feathers flying stabilizer double-joint needle valve extension sounds good too Spring needle valve extensions turning 90 degrees rearward common years ago days carried Band Aids skinned knuckles Jack calls Skat Cat already has new passion Burt Rutans beautiful concepts have entranced Voiles tells us Did know has RC plans $475 Vari-Viggen 555 sq am planning ducted prop does 8-9 about 8000 rpm soundmaybe 4blade Jack studying prop theory librarywould like relate torque displace ment Asks ideas about helping him Now experience full motor potential Dynathrusts 100% accurate pitch airfoil Costs less buy fly because its unequaled durability 15 6 pitch $ 700 18 6 8 pitch $1000 20 8 10 pitch $1400 Prices include UPS charges MC 0 VISA C COD 0 CHECK C MO See dealer order direct 3I~STPRINc7IJ 2541 NE 11th Court Pompano Beach Florida 33062 1-305-941-9119 February 1981 99 Dealer Inquiries Invited IN STOCK FOR IMMEDIATE SHIPMENT New SUPER QUADRA $8995 BRISIGHELLA FLYWHEEL $10495 QUADRA REPAIR$1000 s KIORITZ engine 244 cuin$18995 Jim Messers ERCOUPE KIT$21995 Jim Messers TOMAHAWK KIT$23995 Concepts BIG FLEET KIT $17995 P&W RADIAL ENGINES Fleet $2995 FIBERGLASS COWL Fleet$1995 BALSA & BASSWOOD sizes 40% OFF 1/4 SCALE plans QUADRA ERCOUPE TOMAHAWK SKYBOLT$2195 SUPER STEARMAN Godfrey$2495 STARDUSTER TOO ighelia $2995 COCKPIT KiTSI Ercoupe T-Hawk $1500 Stearman Fleet F4U J-3 Cub$1850 ME-109 $1950 Citabria Nosen $2495 24-flour Service. $250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View DrAllegany NY 14706 MIKE MAS MJ MAS ENTERPRISES now offering totally new service helicopter enthosiastl One-stop shopping R/C Helicopter needs regardless what Youre flyingl discoont prices also offering free set-up flying instruction yours asking hane built flown analyzed enery major brand Helicopter anail able staff qualified answer guestions ranging installing train ing gear flying ship inverted Custom-built Helicopters include choice Helicopter Eng Radio Test Flown Limited Basisl AtA NATIONAL CHAMPION 1979 19611 Proudly Heads AMERICAN RIC HELICOPTERS FINE LINE OF HELICOPTERS COMMANDER Engine-off Landint LIST $38gg5 SPECIAL $32500 AMERICAN R/C HELICOPTER REVOLUTION II 60 SIZE LIST IAL $27995 MANTIS 40 POWERED HELICOPTER LIST $14995CALL FOR PACKAGE DEAL M J MAS ENTERPRISES P0 Box 727 Miami FL 33197 Phone 305 268-0658 21/4 Flywheel Small Magneto 15/8inSixBoll inum Hub Endorsed Don Godfrey Phone 607 722-1765 Points Sealed fn Rear Housing $189 Pre-Paid Orders Pay Shipping Dealer Inquiries Welcome L m t ed Pre-Drilled Props Available Ask About Custom Built KIORITZ Engines HELl-BOY HEADQUARTERS Sd-gLUTEn HELl- BOY 60 Size Re $38995 ONLY $34995 Sclsluter Helicopter Pasts Stock Including Pipes Fuselages Etc HE LI-BOY MAIN ROTOR BLADES Fast no 891Only $1595 ,Systeees 80 Dealer SPECIFICATIONS 242 CU 397cc 32HPat 8000 rpm Weight 61/2 lb Ball Bearings Crank Caged Rollers Rod Piston Pin Walbro Pump Garb 3 Ring Piston GIBBS HOBBY & RESEARCH 6195 HilIfield StNW NCANTON OHIO 44720 Phone216 499-8854 After 600 PM Accept Visa & Master Card NOW CARRYING THE IhhIS LINE OF FINE HELICOPTERS MODEL 505 MODEL 707 CALL FOR OUR LOW PRICES INSTRUCTIONAL TAPES NOW AVAILABLE Building Trimming C Flying Contest Flying Nonice no Espest * Autorotations setup Wractice Aerobatics/lnnerted Flight NEW FROM WORLD ENGINES ZENITH 40 POWERED HELICOPTER 5 HOUR CONSTRUCTION List $23995 SPECIAL Only $16995 Price Includes Extra Set Main Rotor j Tail Rotor BIade the address given above Personally wed opt high-rpm Schnuerledont think displacement alone relates torque job Superman second letter says loves Robart servo arms transfer linkage coil spring extension needle valve snapped off needle due vibration straight brass tube extension 4-40 socket head point missed coil spring extension can bent back anchored knob turns usual Have big Aristo crat because dont want amputated fingers modified Vari-Viggen offers formula PN V 1376 P h N V allows 233% slip What doing Half-way 6-ft Vaga bond RC-assist own old-timer FF Cleaner far big Sniffer will weigh 1 2 lbs less look forward first-class soaring Quite few have asked isnt registered Old-Timer werent sure dates now have established built 1942 Pond has plan Have scaled up Mad Test Pilots tiny foamie saw couple issues ago Its 11 inches finish will throw hat Kennedy gym 100 Model Aviation MJ MAS ENTERPRISES SPECIALISTS IN RC HELICOPTERS ENGINES BY Deep Fins ForCarb Needles &ThrottleGIBBS HOBBY & Optimum CoolingAccessible Engine Running RESEARCH Original Developer Factory Trained Authorized Master Service bad weather interrupted Winter about have John Preston test-f lythese diesel ized Davis enginesFox Eagle II left 05 60 Vehicle Prestons double-Sized Mid west Hustler Delta background really need big starter comfort though can started hand-flipping Preston photograph Maxecuters squadron Flying Aces make feel humble Build two days Inci dentally havent least built small ROG aint paid dues Putting together Pilot Model Sport-Ill K&B 19 19 25 trike version anticipate great things aileron low-wing using Airtronics new tiny servos small pack XL transmitter servoreversing capability linear exponential con trols so-called RF modelyou have some workits remarkable kit bowls over visitorsalmost worn Out showing Fuselage blue molded tough plastic wings tail built like best aerobatic jobs neatly covered white film hinge slots cut Great hardware recommend oneand rest line equal ship Pilot should coin pot full Only objection other small ships tried tiny wheels Good paved surfaces have use bigger wheels almost evcry thing grass Weve flown Krafts electric Cessna Chip munk electric dont get long lively flights gas both fly excellently good three minutes plus must use electric because flying conditions curious fine products Just careful long runout motor prolonged descent latter stages approach landing extended way since Chipmunks fly remarkably well recall recent comments MRCs 09 ver siontry bigger Midwest RF Weve urged Doug Pratt ModelRetailer put together both anticipate great flying Also satisfactorily flew MRCs Trainer Hawk Futabas trainer especially impressed Flitecrafts Cardinal Sport cabin 4-chan nels ailerons going machine groovy responsive great aileron trainer Interference proved rolled vertical corkscrew woods tore its way through giant trees came out virtually unscathed What could ask Manufacturer claims very aerobatic everything perfect ready-to-flies number sheet-balsa-covered wings finds tendency butted sheet lift slightly off foam can see seams proper light Veneer would cure Actually does affect performance find weve cut up wings Dremel jigsaw check bonding OK much foam very soft works slightly Noting wrinkle near root cabin model after flight afraid put up again home found wing could broken over knee soothe customers think some kind ajoiner would advisablethough isnt essential find grave fault plastic continuous rudder hinges hom bottom rudder will pry rudder askew Replace hinges mechanical type knocked off rudder just hooking up pushrod An easy fix Bob Bouchers Astro Flight Porterfield 6-ft Scale electric still before us Mad Test Pilot tempts us switch -scale Lacy Astros prop-drive 05 quite small acres wing area box straight edges Ugliness can beautiful well make ghost ship Out Porterfield 15 gas engine Also have original 6-ft Live Wire planan RC OldTimer have learn build faster Super Jet Hot Stuff course life savercuts time half between writing two modeling Continued page 103 Immediate delivery Send S 100 catalog products 44 TECHNOPOWERJI INC 1665OSOUTH 1O4thAVSNUEORLANDPAPKILLINOIS 60462 vy February 1981 101 Order Direct Only P0 BOX 687 DELAVAN IL 61734 VISA MASTERCHARGE PERSONAL CHECK OR MO CESS Perhaps need something bit outof-the ordinary scale competition Cessna 182 big stable aIrplane ideal scale trainer 40 engine Put 60 under cowl fly circles around competition rhe semi-symmetrical airfoil makes 182 groove yet its docile kitten total scale realism add optional flaps Trike gear pleasant ground handling kit allbalsa lots hardware molded parts speedy construction clear plans special illustrated construction booklet make kit anyone can build Kit features Span 72 Area 702 Sq 5-7 lbs flying weight 4 channel Power 40 60 181 _____________ Jack Armutrenus American Japanese Zero n Ouality card Stock Authentic semi-scale Reprints Remember Well Flew SEND SLID FLITE EtELI 620 NETILLE MIE 49066 books sundry articles aim really retire two yearsor soand build fly timeThebestlaidplansofmiceandmen Forgot 10-ft cardboard monster Whats happened FF CL guys Have given up Next month lots great CL George Aldrich Bill Winter 4330A Ito Vista Dr Fairfax VA 22030 Taylor Cub/SruII Continued page 19 leading trailing edges spars sq spruce webbed 1/32 balsa sheet far out strut attachment ribs After adding dihedral ply dihedral braces gussets form 1/32-in wire strut attach ment clips epoxy appropriate ribs Fit wing fuselage cabin top perfectly aligned drill bolt hold-down screw hole through wing cabin top plate time also epoxy ply hold-down clip wing spar wing still position fuselage make up two wing struts x / balsa After trimming fit well spot-glue aluminum tubing end pieces place slide brass strut-to-fuselage fitting slit V end strut Dont glue yet Slip struts place screw brass fittings fuselage attachment points After making sure wing lined up properly Hot Stuff brass clips place Remove struts reinforce fittings silk glue Covering finishing covered Cub medium-weight silkspan Light-weight silk would work well use low-shrink dope finishing keep warping minimum Plastic film covering could also used would probably provide lightest simplest covering finish possible would look scale-like model painted finish however case try keep weight down much possible pigmented dopes can build up weight very fast arent careful After covering silkspan water-shrunk cover ing brushed three thin coats thinned-down aluminum dopeto added small amount talcum powder filling dry areas carefully sanded 600 paper until smooth surface ready color obtained Finally wet coat aluminum dope sprayed trim areas masked off sprayed Sig Tennessee Red dope Two-inch diameter Banner wheels look about right think little durable Trexlers Make dummy cylinders scraps balsa paper tubing wire paint mixture black silver dope attach removable nose block Install favorite mini light-weight radio lets go fly Flying Make sure model balances little forward spars Check warps misalignments remove visible model weighed 18 ounces ready-to-fly performed best Cox Medalion engine overloaded 7-3 7-4 prop peaked out 6-3 6-4 prop models speed rate climb much too fast scale-likeand personal liking model type larger props muffler speed climb much scalelike graceful power reduced way however Cubs performance adequate fly almost restricted area Baseball fields corner schoolyard empty parking lots ready airports Cub Take word itthe Taylor E-2 Cub little can fuel starting battery can give much flying fun RC model ever have flown Enjoy writing advmtiumem mention reed about MA February 1981 103 OS MAX 61 FSR wnuttle $ 10800 delivered Rear Exhaust Same Price Call 408-274-1915. RAC Products 3200 Knightswood Way .*a Jose CA 95148 WEVE EXPANOEDI SCALE DRAWINGSPHOTOS BOOKLETS REPLA TECH NTERNA ONA CATALOGS $20048500 0CKSNZ 5 HW r AlTENTION QUADRA OWNERS! ra hard start because no really effective way choke Would like add solid 100-200 RPM top speed engine THEN CHECK THIS OUT Combination choke ram induction * Guarantees quick starting hand * Eliminates throttle spit * Allows use partial choke warm-up lute must Lectra-Starter * Install minutes extra servo pushrod cockpit * Eliminates using finger usually causes flooding * Doubles kill * Uses prop blast extra RPMs Send $1495 check money order Gardner-Burrell 6005 Cliff Drive Fort Smith Ark 72903 hh