ACCORDING TO THE PAPERS Frank Perdue once hated chickens Perdue feisty guy pushes chickens TV throwing classy bachelor dinners Cornish hens four telling us send hack other guys blackened bones note say ing Gentlemen bones Did eat chicken 01 Frank would make perfect modeler classic AMA activist too am fowl mood busted crate No oppressed Kadet Like unfortu nate airline takeoff mishaps crash textbook accident Perhaps youve noticed accidents involve bare minimum three contributing causes Model postmortems teach five years uneventful hacking around Cursory wakes field blame errant transmitters spooky signais failed batteries etc trash remains no accident investi gations fun lets see what accident anaiysis reveais Subject aircraft Five-year-old RC Special scaled-down version 1948 design pub ilshed September 1980 MA cabin con figuration tail-dragger flat-bottom airfoil 5 deg dibedral three channels no ailerons last powered ST 35 Weather 90 degrees high humidity vari able wind averaging 12-15 mph gusts 25 Gusty changing crosswind vectors 90 deg port starboard Location 50-miles-away visited club field 560-ft well-mowed grass strip unlimit ed approaches Airspace burn Aircraft log 131 flights fleet log same period 700-minus Initially powered K&B 19 Long runs delicate lift-offs sluggish rudder during run flight 22 Pattern flier unable spin until shown wiggling rudder nose-high produced entry stalling tip flight 23 temperature humidity matching later accident takeoff quartering out crosswind short strip visited field lift-off premature coupled severe rudder correction wind back runway line produced tip stall roll inverted cartwheel teasing out cabin major repair Flight 128 same site terminal accident Fast long power approach idled near thresh old slightly nose down fading away runway center line airplanes left Gen tle flare-out correction elevator simultane ous slight rudder correction heading ample airspeed plane abruptly rolled moderately toward pilot line heading cor rected now roughly 8-ft altitude required botb left right rudder maintain control too close pits hard rudder regain runway augered spin damage During 1980-1981 plane flown Davis Diesel-converted ST 35 bor rowed engine test bed expert pilot Radio change aging oil-soaked etc pro duced CG change rearward mid-I 982 com pensated nose ballastwing loading up 18 ounces flight Engine overheating unusual re setting high- low-speed throttle Taxied out long wait runway side Scale mod eler checked taxiing another aircraft Ex tremely ineffective muffler other aircraft own engine almost unheard Initial run accel erated normally up-control held momentarily 16 Model Aviation U jUSt fun Bill Winter Bill Winter left Col Bill Kaluf Fredericksburg before Bill pranged RC Special Flight 131 Youll want read accident analysis text find out Winters transmitter carries both blue-and-white brown-and-white frequency clip Bill Winter figures perfect answer cantilever-strut gear big models Its Gull-wing Stinson Fits fuselage slot removable model being built Les Putnam reported Fred Nielsen Realistic Models acquired production rights Stinson 150 Quarter Scale kit redesigned remove several pounds has made five kits Traced down Fred says gear intended below floor boards actually proiected under seats Bill Winters big Aristocrat real life too redesigned lighter extending above floor boards compression factor l3to 2 instead l3to 1 principle adaptable size weight plane Gear shown job craftsman having lathe Pictures Les Putnam show gear normal loaded modes Realistic Models has crawings does produce gear begin run relaxed tail rose slight down held build up speed Undue rudder correc tions required somewhat erratic ground path during later stages run true head ing wheels skimmed ground Slight downcon trol held avoid abrupt lift-off wind Gust switch starboard port right rip dropped approximately 15 degrees seemingly adequate airspeed ship off ground rudder unable prevent severe cartwheel Radio brown-and-white susceptible blue-and-white adjaccnt frequency antenna down Flew both color pins precaution Operable after crash First-line radio manufacturer stated totally desuned antenna down condition apparent before crash antenna xas always uptherefore nut factor suggest never operating pits antenna down es pecially taxiing Has gone high engine past antcnna down Tank Could emptied filled electric pump after crash turned brown age black neoprene clunk affected diesel fuel hence last-flight needle adjust ments Heavy corrections takeoff delay lift-offspeed did seem adequate Happily posing MA shot energetic 83-year-young Joe Ott soon-to-be kitted Golden Falcon perhaps Swallow Has unique features Flies well about 20 inverts does outsides takes off 15 ftlargely due Joes mix M-6 Eppler 205 St Cyr 52 airfoils St Cyr used Heath Parasol already fiddling mid-engine low-winger ex tension shaft Gosh what next November 1982 17 Classic RC models right hand picture Merlyn Welchs love L-R Goldberg Hanger 42 still around tine-grain toam goodiel Bill Winters Gramps AlAN Sterling Mini Mambo once rage 15-year-old Midwest Triquire another all-time favorite left Merlyn glory days 100-hp Kinner Fleet winter togs Merlyn going pick up downed pilot Clothes weighed did produced marginal loss power due lean run inadequate penetration wind control response gusts factor clearly primary cause sound obscured second aircrafts barking muffler Flight should have aborted Lack diligent tank maintenance obvious ones own field flier decides clearly whether fly according particular aircraft wind/weather travel sub conscious effort fly no matter condi tions poor obviously dangerous never must fly Bite bullet Three-channel planes flat-bottomed airfoils given higher wing power loadings inferior degree convex bottoms because center pressure forward movement witls increasing angles attack tending balloon Simultaneous appilcation rudder elevator related snap-roll maneuver Ailerons less dihedral safer far anyone has mastered basics cussed Kadet would have cartwlseeled aileron available takeff level wings witls crossed controls Rudder alone produces turn bank entry Conclusion always blame pilot pilot exercised poor judgment tanta mount pilot error Contributing causes model flying rationalizations con tributing factors must acted upon improved safety Fortunately walk away accidents thus learn thereby design Guest pilots like RC Spe cials coordinated smoothness also soars like mad left trimmed high circles engine killed has unexplained trait always turning automatically lift ad justing its own tum diameter match magazine plan three-view design follow-up given Because RC Special scale-down wing area less pro portion-area square function linear inch chord boost area reduce loading Convex undercamber reduce CP travel readily produces nose-ups ballooning flat-bottom mishandled trike gear simplify ground handling Less dihedral ailerons all-weather Continued page 20 SHORT DOWEL ENGAGES HOLE HOOK DOWEL 0 HOOK TYPICAL DUMMY SMALL BANDS HOLD FRONT OF WING TO POD BENEATH FUSE TAKE APART RUBBER CHAMBERMAID Lifes darkest moments rush things accidentally left out three items illustration should have printed last month No doubt scratched heads saw mention text illustration couldnt find Sorry about arebetter late never left sketch take-apart Rubber-Powered Chambermaid model devised 1 G Schmidt St Petersburg FL top right shot Jack Harens two Buccaneer B Specials separated 23 years foreground ancient Forster 29 spark-ignition job made two flights single-channel Aero-Trol rig escapement rudder control solenoid-timed engine shotoff Behind new Enya 15-powered MonoKoted job REM controls Now hes able launch fly land own Above right Smoker 40-size variation Phoenix theme designed kitted two members Mid-State RC Club Alexandria LA guys own glass work Thats Gus Volks model Might worthwhile reread October issue info 18 Model Aviation 049-051 Engines KitK-72495 Cal NIUS INC ACCUETACH 1 LCITAL ER 2E 3MoNITOR TACHOME us VOLTMET ate CHARGE tO getad-Determine ~jiCadMakes po5S3attery accurate RP1 th ru~argeofY0 jth-safelY peal1a~~ge bY out~eck hntpack ofl Select tinewatchifl9 0 jgflalS topend adJUSntbatteris ernost tXIR dual scale capabiliWlOXO 100X preCI teage drop tha full ~arge ty built withcombos Quail lectronics ORDER YOURS NOW 79PeaId Send check money order no CODs NortZal AVIONICS Inc PO Box 70956 Sunnyvale CA 94086 california residents add 60/0 tax Add $300 shipping outside continental USA Dealer inquiries invited knock-about sport plane good crosswind features desirable RC Special no washout No ever reported its need sport jobs spend lives right-side-up should have adequate washoutjust case Carve stone double-take Immediately after crash flier rescued under fly-tent blown down wind Whatever happened hand-held wind-strength gadgets Since tip-stall evidently high-speed stall wind shear likely rapid gusts add subtract airspeed differential 15 mph perhaps 20 ship flying second dead air next regardless normal attitude perceived Incidentally used rubberbands nylon bolts Id still have plane Bolts break air speed plane density construction high An open structure yields bolts break straight never cart wheel safety board chairman would advise fly fewer planes devote loving main tenance plane engine tank radio everything really right onand weather suit machine beyond previous experiencedont fly Ever Merlyn Welch Ten Mile Hobbies Hillsdale KS enjoys modelers letters writes can thanks Doc Mathews has chewing over old full-scale days Merlyn Kansas City Municipal M W checked pix gossip started building models 1927 first plane built believe out Boys Life Merlyn tells us own first model 1927 mag American Boy kit stick model 1/16 sq anything else Fifty cents plus post age never got fly still have Playboy Senior 1942 now restoration will put single-channel escapement radio should flip teary-eyed ancients Imagine escapement Retired six years Merlyn gets fun out treasured hobby spite handi caps cut heavily flying After heart attack gave up hand-launching eyes arent what should has no depth perception thinks must have another pilot land planes him lot us cant hit broadside barn Merlyn own case delayed reactions result poor perception Now no matter low get approach seem suddenly high over threshold and/or fading off strip far side diverging angle present time have four radio jobs go 25 planes CL RC well IT apparently needing cover ing two still kit boxes would like build Quarter Scale think thats little dreaming Quarter Scale can easy easier fly little jobs pick something appropriatethat means lots wing area simple boxy structures Sigs -scale Cub ideal bet tad smaller Top Flites 40-powered big Cub realistic fascinating fly Pattern-flying son leaves beloved bombs shop Merlyn sneak off hobby shop shelf have pilot help use help biggies guys big float ers cinch Try J-3 see note second crate left Merlyns Coorinued page 83 20 Model Aviation Rubber Power Gas Engines Free Flight RIC C/L Safety Preston Continued page 14 have stated previously column model flying has excellent safety record com pared other leisure pursuits would like see stay way urge take objective look current flying site frequently fly over someone elses property over spectators innocent bystand ers youanswer yes perhaps change op erating procedures needed suggest check letter AMA HQ offices AMAs attorney appeared recent issue MA Flier His/Her Neighbor October 1982 pp 86 89 deals overflying other peoples property AMA members consequences respect trespass appears trespass can occur merely invasion airspace above property owned others Its food thought wind up months column would like thank readers wrote us opinions weight limits Giant Models apologize responding personal letter spare time has very limited summer As write preparing leave Nats second trip CL Scale World Championships Kiev follows almost immediately Because latter trip will miss deadline December issue magazine Expect us back January issue Meanwhile please fly safely John Preston 7012 Elvira Ct Falls Church VA 22042 Fun/Winter Continued page 20 plc writers Gramps 6-ft rudder job stunted Veco 19 escapement rudder-only no throttlewas pub lished MAN during 50s Guys search RC oldies will find fine flier three servos Schnuerle 25 plainbearing non-Schnuerle 29-35 sitting box Letters will reach Merlyn H Welch PO Box 86 Hilsdale KS 66036 has dreamed having own fly ing field freedom fly anytime just walking out back door once such place could hand-launch big early-day RCs quiet ings put up 5/2A Free Flight Rubber Fuse lage job sheet-balsa ROG Swarms twittering barn swallows would dart around silently gliding crates cool evening never hooked strong ther mal didnt bother DTs Faint lift sometimes kept stick-and-tissue birds circling forever seemed So has won der Free Flight such all-or-nothing thing innocent low-key pleasure bru tally wrung out dont need milelong field During SOs Long Island joined Johnny ZaIc Pete Andrews Val Luce Curtiss Field already haif-fuli housing sweated over cranky RC guys put up dozens flights early morn sundown High-performance 1/2As then-new 10% airfoil like Frank Eblings Phoenix put out Jetco sharp leading edges Never did ship leave field used short engine runs dethermal ized few seconds after models trans Specifications 735 Inch Wing Span 1000 Sq Wing Area 56 Inch Length 90 170 Lbs 61 Engine Gear Drive 9050 Engine Straight Drive 4 Channel Radio Required ** Look Next Kit P-58104 Span ** Price $22995 plus shipping Kit Endorsed Leo Loudenstager World erobatic Ctampios Mallory Models PO Box 207 Falls Church VA 22046 703 360-5424 Ann Bill Hinnant Kit Includes Epoxy Glass Fuselage Two Alum Spars 6061 T6 Spar Locations Molded Fuselage Two Piece Foam Wing Spar Locations Cut Out Foam Wing Alignment Tubes Spars Wing Molded Hatch Bottom Fuselage 1 Piece Alum 6061T6 Landing Gear Epoxy Glass Wheel Pants New Tail Design Tinted Canopy Scale Decals Full Size Scale Drawings Flying Wires Three View Drawing November 1982 83 Tatone Makes Easy joe osxo &Laser uu Scale Masters 1982 Mallory Models QUARTER SCALE LASER 200 Sport Scale AMA Scale Pattern Fun Fly NORTHERN CALIFORNIAS LARGEST DISCOUNT HOBBY SHOPI I well FUELyou New high film strength lubricant1 increased power engine lifeI Hinhst cualily inaredients action varnish II II II II II II II II II IFV1SAI IHOURS Monday thru Wednesday 930-630 Thursday & Friday 93U-8OUU Saturday 930-600Sunday 1200-500J mm m m m itioned glide circles Guys still After happening recent early morning another grassy slope passed still evening strikes us hap piness bushel basket full random smallfield Free Flights come Sigs catalog always contains dozens FFsGllders Rub ber Gas Manufacturers arent philanthropists beauty FF 02 049 can sketch nifty sport job configuration choosesand within few days go have fun Which brings up exciting designers gifted maga zine contributors ever knew Keith Lao mer miss seeing imaginative 195 Os early 1960s layouts just know people would still enjoy stuff llke magazines what can cannot have magazine substantial adver tising can have TV out detergents shampoo RC does pay way Thats way world costs fortune produce monthly copy mag rather firing off testy letters some editor caught between rock hard place help yourself Design some thing cant aint worth fighting yes know about kids no mag world help Hurst Bowers just licked five-bypass present Laumer cuties thumbnall-sketched Herb Clukey Mags issues possible given Magazines probably dont still have full-size plans although Flying Models has long list Lord knows Aero Modeller England has list available plans going back Punic Wars Dave Shipton Hobby Hideaway among others Repla-Tech too think has Aero Modeller plans can always write involved editorsgiving issues possible ask Xerox copy plan itself should cost buck Iwo MA doesnt have Laumers plans since started its present form 1975 after Laumer era believe Midwest still has immortal Sniffer youd want small Its cinch too make yourself profile pylon insetting laminated pylon using con ventional spar-edged wingsor perhaps just cambered sheet balsa thin dowel lead ing edge big thing avoid long runsengines run longer prop unloads An exter nal eyedropper tank works well one-third above needle valve two-thirds below consistent run Time run fill dropper i marked leveL coil trans parent fuel tubing also makes good tank tached flat against fuselage side en gine has tank mount reduce capacity putting space-taking objects inside have build such model send pic tures can say Ah say youd like big RC job dont want risk Scale mess months fittings detail dont want big engine Well can always go Tele master require kit Kalufs fly visit Fredericksburg have Senior Telemaster carries sidelooking camera flaps fly time flaps slightly down during entire flight flies majestically easily way Since down-flap increases washout works against tip-stall can land slow ly safely wind fact Continued page 112 84 Model Aviation Winning Ideas FOURMOST FUEL MANIFOLD seRvo 0FUEL LINE FUEL SHUT OFFSma Fue Fitting Set Manifold Provides ConvenientCan Used Control FuelS zeI DPRICE $1 50 Method Tank Filling Draining andFlow Starting1 Tee 2 Elbows 1 Pen Bladder Tee PrimingPositive Airborn Shutoff % IDPRICE $125PRICE $420 i5 AND t ODSTRUT FAIRINGS Comes two 23 Lengths Two Sizes coanwig% ID / ID/\LageFue Pttng Set /7Sze% IDPRICE$200 Packaged 2 Ft s zePRICEI Tee 1 E bow 1 Un 1 Plug PRICE $2502 lengths either size $270BobuadeFom Foe Faa Po ye 0y en Send SASE Complete Information Fuuvu~i 4040 24th Ave Forest Grove OR 97116 PRODUCTS Phone 503 357-2732 hEw PONYBLIMP NOIiRU6ID AIRSHIP PRACTICAL SIZE can Lift 28 Oc Uae Standard Radian 13 4 CIanaell Reqairns 80 Cabic Ft af Helium IHeliam Anallable welding Supply Shapn FUU CONTROL Modern Thnnt-Anredynunic Central Fareuard Haner Backward Elevation Tan Baltact Helian Rnlnenn COMPLETE El Fanned Planec Din-Cot Balsa end Plywaad Panta Mounting Hardware S249OO Wire Piage Switchen Baak Eaplain ing Blimap Operutian Detailed Plana Phaton Canpletely Fabri cated Vinyl Helian Ennelape Electrrc Motors Radio snd Batteries NOW YOU CAN FLY YOUR OWNNot Included ELECTRIC POWERED BLIMPCOMPLETE CATALOG $100 DL8*JaAaAaePO BOX 2498 -MA LA MESA CALIF 92041 WmRUVfyUUGPHONE 714 489-8675 714 442-4636 Fun/Winter Continued page 84 doing sweat cracked up RC Special ailerons remember Falcons Kadets etc world oyster chance fly half-up Kadet II field concocted Jerry Johnson help Charlie Rec tor Now wenve never flown heavy real air craft somewhat sluggish controls Fox Eagle-powered Kadet Kapitan use aileron stick like guy Hollywood movie rolling wheel back forth no real-plane feel fast ship instantaneous response have fly crate anticipate amazing feeling real aircraft comes through Its slow-motion boys used less dihedral standard Kadet multi-spar non-D-tube no sheeting Hoerner-type roiled tips Styrofoambut inverted point upwards certainly did no harm big deal cratedubbed Big Mother fellow flierscost $30 uncov ered made foam-core board construction-grade spruce spars etc sawed strips 2 x 4 Exposed edges foam board sealed 3/16-in-plus strips Firewall 3/8 ply cabin bulkheads tmA ply suggest Lite Ply Ribs foamcore board pars other sizes cap-stripped 1/16 thck balsa Covering polyester cloth fabric shop center section reinforced 6-inwide glass cloth Wings have five coats clear Hinges homemade versions Evans X-Hinge iron place Strips 1-in Coverite laid down center adhesive sides facing Cowl epoxy-molded glass cloth over form Final finish Rustoleum seems fuel-proof does take long time set up over epoxy 88-in span chord 16 mutant Kadet has 10 sq ft area Weightincluding 1 lb ballastis 11 lb giv ing loading 175 oz very light big airplane Its KPS-9 servos big slow have adequate power wing center operates barn-door ailerons 3/8-in dowel pushrod ditto elevator Rudder con trolled fishing leader cablesquite positive Stab fin arc braced 1/16-tn wire Big Mother has survived two crashes would have done conventionally-con structed craft Damage broken prop 12-6 Top Elite Super M sec ond cartwheel bent tail bit broke tail brace What about power Since li-lb 88-in biggie does well old-model Fox Eagle 60 half-up Falcon 84 would fly re alistically hot 40 light would much inferior acrobatics Senior Falcon 60 Alas some guys will want use piped 90sand goes realism Senior Falcon 98 being clean slippery airfoil should weigh too much either scalelike hot 60 aerobatic enough please anyone 90 much can done nicely around 40s 60s dont build heavy have 96-in low-wing lightweight equates 2-Meter 10 perhaps between 049 10 2-Meters nose Takeoffs tail grass 4-in Wil liams wheels arc surprisingly easy An Air tronics Q-Tee two three times up would pretty picture get idea fun taking become collector Keith Russell began building models age 10 now 16 flying Sig Komrnander has gem Several years ago father modeler well gone take trash landfill recounts operator fills over trash dirt using bull dozer backed car active area began toss Out junk realized throwing top dozens air plane kits As bulldozer roared closer frantically loaded car instead emptying got home can imagine mother less enthusiastic how11 2 Model Aviation Meet Kadet Kapitan bUa-uP Sig Kadet old Fox Eagle Cooked up Charlie Rec tor looking youl Jerry Johnson made foam-core board spruce built-up wingfor total airframe cost $30 including polyester cloth covering Kaluf pic What doing winter prospect long cold winter has got down let OrLine R/C kit take chill off OrLines classic World War biplanes favorite winter building project novice expert alike new Y4 scale Fairchild 22 sure provide plenty excitement its gr8ceful lines begin take shape workbench can bring back romance Immelmanns dogfights winter long two airplanes will never go out style Sopwith Pup Fokker DVII something winter Warm up OrLine Fairchild 22 Sopwith Pup Fokker DVII Wing span 98 Wing span 67/2 span 72 Wing area 1617 sq inWing area 1586 sq inWing area 1480 sq Power 2 cu Quadra r 60 90 r 60 90 $18950 $11950 $11950 ci Wi ke Cr OrLine Radio Controlled Aircraft Mfrs ox 12501 Salem Oregon 97309 phone 503 362-1606 ever saved over three dozen Joe Ott kits kits included mahogany card board sheet parts WW II shortages bass wood strips tissue glue kits may have dated 1940-1 944 built sold several Americas Hobby Center Still have eight hand Wild cat Mustang Spitfire Brewster Dauntless Stuka etc boxes area bit tattered cant swear glue good Super Jet old-timer fans inter ested would part couple would happy donate couple AMA Museum heavens sakeguys dont write ol Bill Keiths address Box 135 Division St RD No 2 Galway NY 12074 doubt hell able answer everyone wheres sporting blood Correction recent column spoke flying Cessna 120 flaps own ers pilots chide us politely 140 Both basically similar al though electrics other stuff improved 140 flaps added remember having two bad mags 120 cross-country buy elec tric bit confused numbers having also flown four-place 170which flies bet ter its trike descendantswhich assumed 140 Memory plays tricks also slight time no takeoffs land ings both immortal Airmaster prewar vintage 195 impressive hunk machinery AU friendly critics agree flaps 140 did next nothing Bob Benjamins search authentic Aeronca K plans Ive swamped ad vicedo know Bob Lopshire Bob Karlsson has local use real plane nearby too Karlsson noted Scale man meet him contest might beg him bended knees Bill Winter 4426 Altura t Fairfax VA 22030 Laser Model/Shepherd Continued page 30 shown side view Pin top sides place formers F3A F5A Slip former F-4 place eyeball top see square straight glue sides formers Glue /32 sheet F-4 forward cockpit floor Glue Vs x longerons F-4 F-S Glue F5B place Glue TSF side fairings place Glue -in side sheets F-4 F5A Remove cabin section glue -in dou blers inside side sheets between F-4 F5A op longerons Glue -in sheetovertheturtledeck7/g-in behindformerF-5 Glue tab -in top sheet 2-in forward block over fuel tank Glue -in sheet over cabin section Mark center forward rear -in blocks 5bin section drill us-in holes marks dowels Cut dowels length Hot Stuff top blocks Place cabin section back wing Pin down drill holes 4-40 FR bolts through middle dowels Remove cabin section install 4-40 blind nuts under ply tabs Taper top holes dowels screw cabin section Cut former F-i Ply Mark center Continued page 116 II ~R/C GOODIES P 0 BOX 192 NUYS CA91408 AIR213 764-1490FO 110 CAPITAL MODELS READY-TO-FLY 40 61 1Reg $15995SPAN SPECIAL $13995I $65OShipI Fully Built & Painted Controls Fuel Tank LG & Wheels installed Needs Ionly Engine Radio installationI 4 4Ce Reg $6950 SPECIAL $4995 POWER PACER R/C Battery Tester Charges & Cycles Tx & Rx batteries Locates bad cells & provides batt capacity readings cowTy TRAINER CRAFTAIR I57 ISPAN SHIP $650 Reg $4995 SPEC $3247 Kit available flatbottom semmsym Imetrical wing 2 4 Ch 19 40 Engine Calif add Sales Tax No CODs Brochure 60m US $170 Foreign 4 1/2% Surcharge VISA Visa Master Card November 1982 113 cam erty
Edition: Model Aviation - 1982/11
Page Numbers: 16, 17, 18, 20, 83, 84, 112, 113
ACCORDING TO THE PAPERS Frank Perdue once hated chickens Perdue feisty guy pushes chickens TV throwing classy bachelor dinners Cornish hens four telling us send hack other guys blackened bones note say ing Gentlemen bones Did eat chicken 01 Frank would make perfect modeler classic AMA activist too am fowl mood busted crate No oppressed Kadet Like unfortu nate airline takeoff mishaps crash textbook accident Perhaps youve noticed accidents involve bare minimum three contributing causes Model postmortems teach five years uneventful hacking around Cursory wakes field blame errant transmitters spooky signais failed batteries etc trash remains no accident investi gations fun lets see what accident anaiysis reveais Subject aircraft Five-year-old RC Special scaled-down version 1948 design pub ilshed September 1980 MA cabin con figuration tail-dragger flat-bottom airfoil 5 deg dibedral three channels no ailerons last powered ST 35 Weather 90 degrees high humidity vari able wind averaging 12-15 mph gusts 25 Gusty changing crosswind vectors 90 deg port starboard Location 50-miles-away visited club field 560-ft well-mowed grass strip unlimit ed approaches Airspace burn Aircraft log 131 flights fleet log same period 700-minus Initially powered K&B 19 Long runs delicate lift-offs sluggish rudder during run flight 22 Pattern flier unable spin until shown wiggling rudder nose-high produced entry stalling tip flight 23 temperature humidity matching later accident takeoff quartering out crosswind short strip visited field lift-off premature coupled severe rudder correction wind back runway line produced tip stall roll inverted cartwheel teasing out cabin major repair Flight 128 same site terminal accident Fast long power approach idled near thresh old slightly nose down fading away runway center line airplanes left Gen tle flare-out correction elevator simultane ous slight rudder correction heading ample airspeed plane abruptly rolled moderately toward pilot line heading cor rected now roughly 8-ft altitude required botb left right rudder maintain control too close pits hard rudder regain runway augered spin damage During 1980-1981 plane flown Davis Diesel-converted ST 35 bor rowed engine test bed expert pilot Radio change aging oil-soaked etc pro duced CG change rearward mid-I 982 com pensated nose ballastwing loading up 18 ounces flight Engine overheating unusual re setting high- low-speed throttle Taxied out long wait runway side Scale mod eler checked taxiing another aircraft Ex tremely ineffective muffler other aircraft own engine almost unheard Initial run accel erated normally up-control held momentarily 16 Model Aviation U jUSt fun Bill Winter Bill Winter left Col Bill Kaluf Fredericksburg before Bill pranged RC Special Flight 131 Youll want read accident analysis text find out Winters transmitter carries both blue-and-white brown-and-white frequency clip Bill Winter figures perfect answer cantilever-strut gear big models Its Gull-wing Stinson Fits fuselage slot removable model being built Les Putnam reported Fred Nielsen Realistic Models acquired production rights Stinson 150 Quarter Scale kit redesigned remove several pounds has made five kits Traced down Fred says gear intended below floor boards actually proiected under seats Bill Winters big Aristocrat real life too redesigned lighter extending above floor boards compression factor l3to 2 instead l3to 1 principle adaptable size weight plane Gear shown job craftsman having lathe Pictures Les Putnam show gear normal loaded modes Realistic Models has crawings does produce gear begin run relaxed tail rose slight down held build up speed Undue rudder correc tions required somewhat erratic ground path during later stages run true head ing wheels skimmed ground Slight downcon trol held avoid abrupt lift-off wind Gust switch starboard port right rip dropped approximately 15 degrees seemingly adequate airspeed ship off ground rudder unable prevent severe cartwheel Radio brown-and-white susceptible blue-and-white adjaccnt frequency antenna down Flew both color pins precaution Operable after crash First-line radio manufacturer stated totally desuned antenna down condition apparent before crash antenna xas always uptherefore nut factor suggest never operating pits antenna down es pecially taxiing Has gone high engine past antcnna down Tank Could emptied filled electric pump after crash turned brown age black neoprene clunk affected diesel fuel hence last-flight needle adjust ments Heavy corrections takeoff delay lift-offspeed did seem adequate Happily posing MA shot energetic 83-year-young Joe Ott soon-to-be kitted Golden Falcon perhaps Swallow Has unique features Flies well about 20 inverts does outsides takes off 15 ftlargely due Joes mix M-6 Eppler 205 St Cyr 52 airfoils St Cyr used Heath Parasol already fiddling mid-engine low-winger ex tension shaft Gosh what next November 1982 17 Classic RC models right hand picture Merlyn Welchs love L-R Goldberg Hanger 42 still around tine-grain toam goodiel Bill Winters Gramps AlAN Sterling Mini Mambo once rage 15-year-old Midwest Triquire another all-time favorite left Merlyn glory days 100-hp Kinner Fleet winter togs Merlyn going pick up downed pilot Clothes weighed did produced marginal loss power due lean run inadequate penetration wind control response gusts factor clearly primary cause sound obscured second aircrafts barking muffler Flight should have aborted Lack diligent tank maintenance obvious ones own field flier decides clearly whether fly according particular aircraft wind/weather travel sub conscious effort fly no matter condi tions poor obviously dangerous never must fly Bite bullet Three-channel planes flat-bottomed airfoils given higher wing power loadings inferior degree convex bottoms because center pressure forward movement witls increasing angles attack tending balloon Simultaneous appilcation rudder elevator related snap-roll maneuver Ailerons less dihedral safer far anyone has mastered basics cussed Kadet would have cartwlseeled aileron available takeff level wings witls crossed controls Rudder alone produces turn bank entry Conclusion always blame pilot pilot exercised poor judgment tanta mount pilot error Contributing causes model flying rationalizations con tributing factors must acted upon improved safety Fortunately walk away accidents thus learn thereby design Guest pilots like RC Spe cials coordinated smoothness also soars like mad left trimmed high circles engine killed has unexplained trait always turning automatically lift ad justing its own tum diameter match magazine plan three-view design follow-up given Because RC Special scale-down wing area less pro portion-area square function linear inch chord boost area reduce loading Convex undercamber reduce CP travel readily produces nose-ups ballooning flat-bottom mishandled trike gear simplify ground handling Less dihedral ailerons all-weather Continued page 20 SHORT DOWEL ENGAGES HOLE HOOK DOWEL 0 HOOK TYPICAL DUMMY SMALL BANDS HOLD FRONT OF WING TO POD BENEATH FUSE TAKE APART RUBBER CHAMBERMAID Lifes darkest moments rush things accidentally left out three items illustration should have printed last month No doubt scratched heads saw mention text illustration couldnt find Sorry about arebetter late never left sketch take-apart Rubber-Powered Chambermaid model devised 1 G Schmidt St Petersburg FL top right shot Jack Harens two Buccaneer B Specials separated 23 years foreground ancient Forster 29 spark-ignition job made two flights single-channel Aero-Trol rig escapement rudder control solenoid-timed engine shotoff Behind new Enya 15-powered MonoKoted job REM controls Now hes able launch fly land own Above right Smoker 40-size variation Phoenix theme designed kitted two members Mid-State RC Club Alexandria LA guys own glass work Thats Gus Volks model Might worthwhile reread October issue info 18 Model Aviation 049-051 Engines KitK-72495 Cal NIUS INC ACCUETACH 1 LCITAL ER 2E 3MoNITOR TACHOME us VOLTMET ate CHARGE tO getad-Determine ~jiCadMakes po5S3attery accurate RP1 th ru~argeofY0 jth-safelY peal1a~~ge bY out~eck hntpack ofl Select tinewatchifl9 0 jgflalS topend adJUSntbatteris ernost tXIR dual scale capabiliWlOXO 100X preCI teage drop tha full ~arge ty built withcombos Quail lectronics ORDER YOURS NOW 79PeaId Send check money order no CODs NortZal AVIONICS Inc PO Box 70956 Sunnyvale CA 94086 california residents add 60/0 tax Add $300 shipping outside continental USA Dealer inquiries invited knock-about sport plane good crosswind features desirable RC Special no washout No ever reported its need sport jobs spend lives right-side-up should have adequate washoutjust case Carve stone double-take Immediately after crash flier rescued under fly-tent blown down wind Whatever happened hand-held wind-strength gadgets Since tip-stall evidently high-speed stall wind shear likely rapid gusts add subtract airspeed differential 15 mph perhaps 20 ship flying second dead air next regardless normal attitude perceived Incidentally used rubberbands nylon bolts Id still have plane Bolts break air speed plane density construction high An open structure yields bolts break straight never cart wheel safety board chairman would advise fly fewer planes devote loving main tenance plane engine tank radio everything really right onand weather suit machine beyond previous experiencedont fly Ever Merlyn Welch Ten Mile Hobbies Hillsdale KS enjoys modelers letters writes can thanks Doc Mathews has chewing over old full-scale days Merlyn Kansas City Municipal M W checked pix gossip started building models 1927 first plane built believe out Boys Life Merlyn tells us own first model 1927 mag American Boy kit stick model 1/16 sq anything else Fifty cents plus post age never got fly still have Playboy Senior 1942 now restoration will put single-channel escapement radio should flip teary-eyed ancients Imagine escapement Retired six years Merlyn gets fun out treasured hobby spite handi caps cut heavily flying After heart attack gave up hand-launching eyes arent what should has no depth perception thinks must have another pilot land planes him lot us cant hit broadside barn Merlyn own case delayed reactions result poor perception Now no matter low get approach seem suddenly high over threshold and/or fading off strip far side diverging angle present time have four radio jobs go 25 planes CL RC well IT apparently needing cover ing two still kit boxes would like build Quarter Scale think thats little dreaming Quarter Scale can easy easier fly little jobs pick something appropriatethat means lots wing area simple boxy structures Sigs -scale Cub ideal bet tad smaller Top Flites 40-powered big Cub realistic fascinating fly Pattern-flying son leaves beloved bombs shop Merlyn sneak off hobby shop shelf have pilot help use help biggies guys big float ers cinch Try J-3 see note second crate left Merlyns Coorinued page 83 20 Model Aviation Rubber Power Gas Engines Free Flight RIC C/L Safety Preston Continued page 14 have stated previously column model flying has excellent safety record com pared other leisure pursuits would like see stay way urge take objective look current flying site frequently fly over someone elses property over spectators innocent bystand ers youanswer yes perhaps change op erating procedures needed suggest check letter AMA HQ offices AMAs attorney appeared recent issue MA Flier His/Her Neighbor October 1982 pp 86 89 deals overflying other peoples property AMA members consequences respect trespass appears trespass can occur merely invasion airspace above property owned others Its food thought wind up months column would like thank readers wrote us opinions weight limits Giant Models apologize responding personal letter spare time has very limited summer As write preparing leave Nats second trip CL Scale World Championships Kiev follows almost immediately Because latter trip will miss deadline December issue magazine Expect us back January issue Meanwhile please fly safely John Preston 7012 Elvira Ct Falls Church VA 22042 Fun/Winter Continued page 20 plc writers Gramps 6-ft rudder job stunted Veco 19 escapement rudder-only no throttlewas pub lished MAN during 50s Guys search RC oldies will find fine flier three servos Schnuerle 25 plainbearing non-Schnuerle 29-35 sitting box Letters will reach Merlyn H Welch PO Box 86 Hilsdale KS 66036 has dreamed having own fly ing field freedom fly anytime just walking out back door once such place could hand-launch big early-day RCs quiet ings put up 5/2A Free Flight Rubber Fuse lage job sheet-balsa ROG Swarms twittering barn swallows would dart around silently gliding crates cool evening never hooked strong ther mal didnt bother DTs Faint lift sometimes kept stick-and-tissue birds circling forever seemed So has won der Free Flight such all-or-nothing thing innocent low-key pleasure bru tally wrung out dont need milelong field During SOs Long Island joined Johnny ZaIc Pete Andrews Val Luce Curtiss Field already haif-fuli housing sweated over cranky RC guys put up dozens flights early morn sundown High-performance 1/2As then-new 10% airfoil like Frank Eblings Phoenix put out Jetco sharp leading edges Never did ship leave field used short engine runs dethermal ized few seconds after models trans Specifications 735 Inch Wing Span 1000 Sq Wing Area 56 Inch Length 90 170 Lbs 61 Engine Gear Drive 9050 Engine Straight Drive 4 Channel Radio Required ** Look Next Kit P-58104 Span ** Price $22995 plus shipping Kit Endorsed Leo Loudenstager World erobatic Ctampios Mallory Models PO Box 207 Falls Church VA 22046 703 360-5424 Ann Bill Hinnant Kit Includes Epoxy Glass Fuselage Two Alum Spars 6061 T6 Spar Locations Molded Fuselage Two Piece Foam Wing Spar Locations Cut Out Foam Wing Alignment Tubes Spars Wing Molded Hatch Bottom Fuselage 1 Piece Alum 6061T6 Landing Gear Epoxy Glass Wheel Pants New Tail Design Tinted Canopy Scale Decals Full Size Scale Drawings Flying Wires Three View Drawing November 1982 83 Tatone Makes Easy joe osxo &Laser uu Scale Masters 1982 Mallory Models QUARTER SCALE LASER 200 Sport Scale AMA Scale Pattern Fun Fly NORTHERN CALIFORNIAS LARGEST DISCOUNT HOBBY SHOPI I well FUELyou New high film strength lubricant1 increased power engine lifeI Hinhst cualily inaredients action varnish II II II II II II II II II IFV1SAI IHOURS Monday thru Wednesday 930-630 Thursday & Friday 93U-8OUU Saturday 930-600Sunday 1200-500J mm m m m itioned glide circles Guys still After happening recent early morning another grassy slope passed still evening strikes us hap piness bushel basket full random smallfield Free Flights come Sigs catalog always contains dozens FFsGllders Rub ber Gas Manufacturers arent philanthropists beauty FF 02 049 can sketch nifty sport job configuration choosesand within few days go have fun Which brings up exciting designers gifted maga zine contributors ever knew Keith Lao mer miss seeing imaginative 195 Os early 1960s layouts just know people would still enjoy stuff llke magazines what can cannot have magazine substantial adver tising can have TV out detergents shampoo RC does pay way Thats way world costs fortune produce monthly copy mag rather firing off testy letters some editor caught between rock hard place help yourself Design some thing cant aint worth fighting yes know about kids no mag world help Hurst Bowers just licked five-bypass present Laumer cuties thumbnall-sketched Herb Clukey Mags issues possible given Magazines probably dont still have full-size plans although Flying Models has long list Lord knows Aero Modeller England has list available plans going back Punic Wars Dave Shipton Hobby Hideaway among others Repla-Tech too think has Aero Modeller plans can always write involved editorsgiving issues possible ask Xerox copy plan itself should cost buck Iwo MA doesnt have Laumers plans since started its present form 1975 after Laumer era believe Midwest still has immortal Sniffer youd want small Its cinch too make yourself profile pylon insetting laminated pylon using con ventional spar-edged wingsor perhaps just cambered sheet balsa thin dowel lead ing edge big thing avoid long runsengines run longer prop unloads An exter nal eyedropper tank works well one-third above needle valve two-thirds below consistent run Time run fill dropper i marked leveL coil trans parent fuel tubing also makes good tank tached flat against fuselage side en gine has tank mount reduce capacity putting space-taking objects inside have build such model send pic tures can say Ah say youd like big RC job dont want risk Scale mess months fittings detail dont want big engine Well can always go Tele master require kit Kalufs fly visit Fredericksburg have Senior Telemaster carries sidelooking camera flaps fly time flaps slightly down during entire flight flies majestically easily way Since down-flap increases washout works against tip-stall can land slow ly safely wind fact Continued page 112 84 Model Aviation Winning Ideas FOURMOST FUEL MANIFOLD seRvo 0FUEL LINE FUEL SHUT OFFSma Fue Fitting Set Manifold Provides ConvenientCan Used Control FuelS zeI DPRICE $1 50 Method Tank Filling Draining andFlow Starting1 Tee 2 Elbows 1 Pen Bladder Tee PrimingPositive Airborn Shutoff % IDPRICE $125PRICE $420 i5 AND t ODSTRUT FAIRINGS Comes two 23 Lengths Two Sizes coanwig% ID / ID/\LageFue Pttng Set /7Sze% IDPRICE$200 Packaged 2 Ft s zePRICEI Tee 1 E bow 1 Un 1 Plug PRICE $2502 lengths either size $270BobuadeFom Foe Faa Po ye 0y en Send SASE Complete Information Fuuvu~i 4040 24th Ave Forest Grove OR 97116 PRODUCTS Phone 503 357-2732 hEw PONYBLIMP NOIiRU6ID AIRSHIP PRACTICAL SIZE can Lift 28 Oc Uae Standard Radian 13 4 CIanaell Reqairns 80 Cabic Ft af Helium IHeliam Anallable welding Supply Shapn FUU CONTROL Modern Thnnt-Anredynunic Central Fareuard Haner Backward Elevation Tan Baltact Helian Rnlnenn COMPLETE El Fanned Planec Din-Cot Balsa end Plywaad Panta Mounting Hardware S249OO Wire Piage Switchen Baak Eaplain ing Blimap Operutian Detailed Plana Phaton Canpletely Fabri cated Vinyl Helian Ennelape Electrrc Motors Radio snd Batteries NOW YOU CAN FLY YOUR OWNNot Included ELECTRIC POWERED BLIMPCOMPLETE CATALOG $100 DL8*JaAaAaePO BOX 2498 -MA LA MESA CALIF 92041 WmRUVfyUUGPHONE 714 489-8675 714 442-4636 Fun/Winter Continued page 84 doing sweat cracked up RC Special ailerons remember Falcons Kadets etc world oyster chance fly half-up Kadet II field concocted Jerry Johnson help Charlie Rec tor Now wenve never flown heavy real air craft somewhat sluggish controls Fox Eagle-powered Kadet Kapitan use aileron stick like guy Hollywood movie rolling wheel back forth no real-plane feel fast ship instantaneous response have fly crate anticipate amazing feeling real aircraft comes through Its slow-motion boys used less dihedral standard Kadet multi-spar non-D-tube no sheeting Hoerner-type roiled tips Styrofoambut inverted point upwards certainly did no harm big deal cratedubbed Big Mother fellow flierscost $30 uncov ered made foam-core board construction-grade spruce spars etc sawed strips 2 x 4 Exposed edges foam board sealed 3/16-in-plus strips Firewall 3/8 ply cabin bulkheads tmA ply suggest Lite Ply Ribs foamcore board pars other sizes cap-stripped 1/16 thck balsa Covering polyester cloth fabric shop center section reinforced 6-inwide glass cloth Wings have five coats clear Hinges homemade versions Evans X-Hinge iron place Strips 1-in Coverite laid down center adhesive sides facing Cowl epoxy-molded glass cloth over form Final finish Rustoleum seems fuel-proof does take long time set up over epoxy 88-in span chord 16 mutant Kadet has 10 sq ft area Weightincluding 1 lb ballastis 11 lb giv ing loading 175 oz very light big airplane Its KPS-9 servos big slow have adequate power wing center operates barn-door ailerons 3/8-in dowel pushrod ditto elevator Rudder con trolled fishing leader cablesquite positive Stab fin arc braced 1/16-tn wire Big Mother has survived two crashes would have done conventionally-con structed craft Damage broken prop 12-6 Top Elite Super M sec ond cartwheel bent tail bit broke tail brace What about power Since li-lb 88-in biggie does well old-model Fox Eagle 60 half-up Falcon 84 would fly re alistically hot 40 light would much inferior acrobatics Senior Falcon 60 Alas some guys will want use piped 90sand goes realism Senior Falcon 98 being clean slippery airfoil should weigh too much either scalelike hot 60 aerobatic enough please anyone 90 much can done nicely around 40s 60s dont build heavy have 96-in low-wing lightweight equates 2-Meter 10 perhaps between 049 10 2-Meters nose Takeoffs tail grass 4-in Wil liams wheels arc surprisingly easy An Air tronics Q-Tee two three times up would pretty picture get idea fun taking become collector Keith Russell began building models age 10 now 16 flying Sig Komrnander has gem Several years ago father modeler well gone take trash landfill recounts operator fills over trash dirt using bull dozer backed car active area began toss Out junk realized throwing top dozens air plane kits As bulldozer roared closer frantically loaded car instead emptying got home can imagine mother less enthusiastic how11 2 Model Aviation Meet Kadet Kapitan bUa-uP Sig Kadet old Fox Eagle Cooked up Charlie Rec tor looking youl Jerry Johnson made foam-core board spruce built-up wingfor total airframe cost $30 including polyester cloth covering Kaluf pic What doing winter prospect long cold winter has got down let OrLine R/C kit take chill off OrLines classic World War biplanes favorite winter building project novice expert alike new Y4 scale Fairchild 22 sure provide plenty excitement its gr8ceful lines begin take shape workbench can bring back romance Immelmanns dogfights winter long two airplanes will never go out style Sopwith Pup Fokker DVII something winter Warm up OrLine Fairchild 22 Sopwith Pup Fokker DVII Wing span 98 Wing span 67/2 span 72 Wing area 1617 sq inWing area 1586 sq inWing area 1480 sq Power 2 cu Quadra r 60 90 r 60 90 $18950 $11950 $11950 ci Wi ke Cr OrLine Radio Controlled Aircraft Mfrs ox 12501 Salem Oregon 97309 phone 503 362-1606 ever saved over three dozen Joe Ott kits kits included mahogany card board sheet parts WW II shortages bass wood strips tissue glue kits may have dated 1940-1 944 built sold several Americas Hobby Center Still have eight hand Wild cat Mustang Spitfire Brewster Dauntless Stuka etc boxes area bit tattered cant swear glue good Super Jet old-timer fans inter ested would part couple would happy donate couple AMA Museum heavens sakeguys dont write ol Bill Keiths address Box 135 Division St RD No 2 Galway NY 12074 doubt hell able answer everyone wheres sporting blood Correction recent column spoke flying Cessna 120 flaps own ers pilots chide us politely 140 Both basically similar al though electrics other stuff improved 140 flaps added remember having two bad mags 120 cross-country buy elec tric bit confused numbers having also flown four-place 170which flies bet ter its trike descendantswhich assumed 140 Memory plays tricks also slight time no takeoffs land ings both immortal Airmaster prewar vintage 195 impressive hunk machinery AU friendly critics agree flaps 140 did next nothing Bob Benjamins search authentic Aeronca K plans Ive swamped ad vicedo know Bob Lopshire Bob Karlsson has local use real plane nearby too Karlsson noted Scale man meet him contest might beg him bended knees Bill Winter 4426 Altura t Fairfax VA 22030 Laser Model/Shepherd Continued page 30 shown side view Pin top sides place formers F3A F5A Slip former F-4 place eyeball top see square straight glue sides formers Glue /32 sheet F-4 forward cockpit floor Glue Vs x longerons F-4 F-S Glue F5B place Glue TSF side fairings place Glue -in side sheets F-4 F5A Remove cabin section glue -in dou blers inside side sheets between F-4 F5A op longerons Glue -in sheetovertheturtledeck7/g-in behindformerF-5 Glue tab -in top sheet 2-in forward block over fuel tank Glue -in sheet over cabin section Mark center forward rear -in blocks 5bin section drill us-in holes marks dowels Cut dowels length Hot Stuff top blocks Place cabin section back wing Pin down drill holes 4-40 FR bolts through middle dowels Remove cabin section install 4-40 blind nuts under ply tabs Taper top holes dowels screw cabin section Cut former F-i Ply Mark center Continued page 116 II ~R/C GOODIES P 0 BOX 192 NUYS CA91408 AIR213 764-1490FO 110 CAPITAL MODELS READY-TO-FLY 40 61 1Reg $15995SPAN SPECIAL $13995I $65OShipI Fully Built & Painted Controls Fuel Tank LG & Wheels installed Needs Ionly Engine Radio installationI 4 4Ce Reg $6950 SPECIAL $4995 POWER PACER R/C Battery Tester Charges & Cycles Tx & Rx batteries Locates bad cells & provides batt capacity readings cowTy TRAINER CRAFTAIR I57 ISPAN SHIP $650 Reg $4995 SPEC $3247 Kit available flatbottom semmsym Imetrical wing 2 4 Ch 19 40 Engine Calif add Sales Tax No CODs Brochure 60m US $170 Foreign 4 1/2% Surcharge VISA Visa Master Card November 1982 113 cam erty
Edition: Model Aviation - 1982/11
Page Numbers: 16, 17, 18, 20, 83, 84, 112, 113
ACCORDING TO THE PAPERS Frank Perdue once hated chickens Perdue feisty guy pushes chickens TV throwing classy bachelor dinners Cornish hens four telling us send hack other guys blackened bones note say ing Gentlemen bones Did eat chicken 01 Frank would make perfect modeler classic AMA activist too am fowl mood busted crate No oppressed Kadet Like unfortu nate airline takeoff mishaps crash textbook accident Perhaps youve noticed accidents involve bare minimum three contributing causes Model postmortems teach five years uneventful hacking around Cursory wakes field blame errant transmitters spooky signais failed batteries etc trash remains no accident investi gations fun lets see what accident anaiysis reveais Subject aircraft Five-year-old RC Special scaled-down version 1948 design pub ilshed September 1980 MA cabin con figuration tail-dragger flat-bottom airfoil 5 deg dibedral three channels no ailerons last powered ST 35 Weather 90 degrees high humidity vari able wind averaging 12-15 mph gusts 25 Gusty changing crosswind vectors 90 deg port starboard Location 50-miles-away visited club field 560-ft well-mowed grass strip unlimit ed approaches Airspace burn Aircraft log 131 flights fleet log same period 700-minus Initially powered K&B 19 Long runs delicate lift-offs sluggish rudder during run flight 22 Pattern flier unable spin until shown wiggling rudder nose-high produced entry stalling tip flight 23 temperature humidity matching later accident takeoff quartering out crosswind short strip visited field lift-off premature coupled severe rudder correction wind back runway line produced tip stall roll inverted cartwheel teasing out cabin major repair Flight 128 same site terminal accident Fast long power approach idled near thresh old slightly nose down fading away runway center line airplanes left Gen tle flare-out correction elevator simultane ous slight rudder correction heading ample airspeed plane abruptly rolled moderately toward pilot line heading cor rected now roughly 8-ft altitude required botb left right rudder maintain control too close pits hard rudder regain runway augered spin damage During 1980-1981 plane flown Davis Diesel-converted ST 35 bor rowed engine test bed expert pilot Radio change aging oil-soaked etc pro duced CG change rearward mid-I 982 com pensated nose ballastwing loading up 18 ounces flight Engine overheating unusual re setting high- low-speed throttle Taxied out long wait runway side Scale mod eler checked taxiing another aircraft Ex tremely ineffective muffler other aircraft own engine almost unheard Initial run accel erated normally up-control held momentarily 16 Model Aviation U jUSt fun Bill Winter Bill Winter left Col Bill Kaluf Fredericksburg before Bill pranged RC Special Flight 131 Youll want read accident analysis text find out Winters transmitter carries both blue-and-white brown-and-white frequency clip Bill Winter figures perfect answer cantilever-strut gear big models Its Gull-wing Stinson Fits fuselage slot removable model being built Les Putnam reported Fred Nielsen Realistic Models acquired production rights Stinson 150 Quarter Scale kit redesigned remove several pounds has made five kits Traced down Fred says gear intended below floor boards actually proiected under seats Bill Winters big Aristocrat real life too redesigned lighter extending above floor boards compression factor l3to 2 instead l3to 1 principle adaptable size weight plane Gear shown job craftsman having lathe Pictures Les Putnam show gear normal loaded modes Realistic Models has crawings does produce gear begin run relaxed tail rose slight down held build up speed Undue rudder correc tions required somewhat erratic ground path during later stages run true head ing wheels skimmed ground Slight downcon trol held avoid abrupt lift-off wind Gust switch starboard port right rip dropped approximately 15 degrees seemingly adequate airspeed ship off ground rudder unable prevent severe cartwheel Radio brown-and-white susceptible blue-and-white adjaccnt frequency antenna down Flew both color pins precaution Operable after crash First-line radio manufacturer stated totally desuned antenna down condition apparent before crash antenna xas always uptherefore nut factor suggest never operating pits antenna down es pecially taxiing Has gone high engine past antcnna down Tank Could emptied filled electric pump after crash turned brown age black neoprene clunk affected diesel fuel hence last-flight needle adjust ments Heavy corrections takeoff delay lift-offspeed did seem adequate Happily posing MA shot energetic 83-year-young Joe Ott soon-to-be kitted Golden Falcon perhaps Swallow Has unique features Flies well about 20 inverts does outsides takes off 15 ftlargely due Joes mix M-6 Eppler 205 St Cyr 52 airfoils St Cyr used Heath Parasol already fiddling mid-engine low-winger ex tension shaft Gosh what next November 1982 17 Classic RC models right hand picture Merlyn Welchs love L-R Goldberg Hanger 42 still around tine-grain toam goodiel Bill Winters Gramps AlAN Sterling Mini Mambo once rage 15-year-old Midwest Triquire another all-time favorite left Merlyn glory days 100-hp Kinner Fleet winter togs Merlyn going pick up downed pilot Clothes weighed did produced marginal loss power due lean run inadequate penetration wind control response gusts factor clearly primary cause sound obscured second aircrafts barking muffler Flight should have aborted Lack diligent tank maintenance obvious ones own field flier decides clearly whether fly according particular aircraft wind/weather travel sub conscious effort fly no matter condi tions poor obviously dangerous never must fly Bite bullet Three-channel planes flat-bottomed airfoils given higher wing power loadings inferior degree convex bottoms because center pressure forward movement witls increasing angles attack tending balloon Simultaneous appilcation rudder elevator related snap-roll maneuver Ailerons less dihedral safer far anyone has mastered basics cussed Kadet would have cartwlseeled aileron available takeff level wings witls crossed controls Rudder alone produces turn bank entry Conclusion always blame pilot pilot exercised poor judgment tanta mount pilot error Contributing causes model flying rationalizations con tributing factors must acted upon improved safety Fortunately walk away accidents thus learn thereby design Guest pilots like RC Spe cials coordinated smoothness also soars like mad left trimmed high circles engine killed has unexplained trait always turning automatically lift ad justing its own tum diameter match magazine plan three-view design follow-up given Because RC Special scale-down wing area less pro portion-area square function linear inch chord boost area reduce loading Convex undercamber reduce CP travel readily produces nose-ups ballooning flat-bottom mishandled trike gear simplify ground handling Less dihedral ailerons all-weather Continued page 20 SHORT DOWEL ENGAGES HOLE HOOK DOWEL 0 HOOK TYPICAL DUMMY SMALL BANDS HOLD FRONT OF WING TO POD BENEATH FUSE TAKE APART RUBBER CHAMBERMAID Lifes darkest moments rush things accidentally left out three items illustration should have printed last month No doubt scratched heads saw mention text illustration couldnt find Sorry about arebetter late never left sketch take-apart Rubber-Powered Chambermaid model devised 1 G Schmidt St Petersburg FL top right shot Jack Harens two Buccaneer B Specials separated 23 years foreground ancient Forster 29 spark-ignition job made two flights single-channel Aero-Trol rig escapement rudder control solenoid-timed engine shotoff Behind new Enya 15-powered MonoKoted job REM controls Now hes able launch fly land own Above right Smoker 40-size variation Phoenix theme designed kitted two members Mid-State RC Club Alexandria LA guys own glass work Thats Gus Volks model Might worthwhile reread October issue info 18 Model Aviation 049-051 Engines KitK-72495 Cal NIUS INC ACCUETACH 1 LCITAL ER 2E 3MoNITOR TACHOME us VOLTMET ate CHARGE tO getad-Determine ~jiCadMakes po5S3attery accurate RP1 th ru~argeofY0 jth-safelY peal1a~~ge bY out~eck hntpack ofl Select tinewatchifl9 0 jgflalS topend adJUSntbatteris ernost tXIR dual scale capabiliWlOXO 100X preCI teage drop tha full ~arge ty built withcombos Quail lectronics ORDER YOURS NOW 79PeaId Send check money order no CODs NortZal AVIONICS Inc PO Box 70956 Sunnyvale CA 94086 california residents add 60/0 tax Add $300 shipping outside continental USA Dealer inquiries invited knock-about sport plane good crosswind features desirable RC Special no washout No ever reported its need sport jobs spend lives right-side-up should have adequate washoutjust case Carve stone double-take Immediately after crash flier rescued under fly-tent blown down wind Whatever happened hand-held wind-strength gadgets Since tip-stall evidently high-speed stall wind shear likely rapid gusts add subtract airspeed differential 15 mph perhaps 20 ship flying second dead air next regardless normal attitude perceived Incidentally used rubberbands nylon bolts Id still have plane Bolts break air speed plane density construction high An open structure yields bolts break straight never cart wheel safety board chairman would advise fly fewer planes devote loving main tenance plane engine tank radio everything really right onand weather suit machine beyond previous experiencedont fly Ever Merlyn Welch Ten Mile Hobbies Hillsdale KS enjoys modelers letters writes can thanks Doc Mathews has chewing over old full-scale days Merlyn Kansas City Municipal M W checked pix gossip started building models 1927 first plane built believe out Boys Life Merlyn tells us own first model 1927 mag American Boy kit stick model 1/16 sq anything else Fifty cents plus post age never got fly still have Playboy Senior 1942 now restoration will put single-channel escapement radio should flip teary-eyed ancients Imagine escapement Retired six years Merlyn gets fun out treasured hobby spite handi caps cut heavily flying After heart attack gave up hand-launching eyes arent what should has no depth perception thinks must have another pilot land planes him lot us cant hit broadside barn Merlyn own case delayed reactions result poor perception Now no matter low get approach seem suddenly high over threshold and/or fading off strip far side diverging angle present time have four radio jobs go 25 planes CL RC well IT apparently needing cover ing two still kit boxes would like build Quarter Scale think thats little dreaming Quarter Scale can easy easier fly little jobs pick something appropriatethat means lots wing area simple boxy structures Sigs -scale Cub ideal bet tad smaller Top Flites 40-powered big Cub realistic fascinating fly Pattern-flying son leaves beloved bombs shop Merlyn sneak off hobby shop shelf have pilot help use help biggies guys big float ers cinch Try J-3 see note second crate left Merlyns Coorinued page 83 20 Model Aviation Rubber Power Gas Engines Free Flight RIC C/L Safety Preston Continued page 14 have stated previously column model flying has excellent safety record com pared other leisure pursuits would like see stay way urge take objective look current flying site frequently fly over someone elses property over spectators innocent bystand ers youanswer yes perhaps change op erating procedures needed suggest check letter AMA HQ offices AMAs attorney appeared recent issue MA Flier His/Her Neighbor October 1982 pp 86 89 deals overflying other peoples property AMA members consequences respect trespass appears trespass can occur merely invasion airspace above property owned others Its food thought wind up months column would like thank readers wrote us opinions weight limits Giant Models apologize responding personal letter spare time has very limited summer As write preparing leave Nats second trip CL Scale World Championships Kiev follows almost immediately Because latter trip will miss deadline December issue magazine Expect us back January issue Meanwhile please fly safely John Preston 7012 Elvira Ct Falls Church VA 22042 Fun/Winter Continued page 20 plc writers Gramps 6-ft rudder job stunted Veco 19 escapement rudder-only no throttlewas pub lished MAN during 50s Guys search RC oldies will find fine flier three servos Schnuerle 25 plainbearing non-Schnuerle 29-35 sitting box Letters will reach Merlyn H Welch PO Box 86 Hilsdale KS 66036 has dreamed having own fly ing field freedom fly anytime just walking out back door once such place could hand-launch big early-day RCs quiet ings put up 5/2A Free Flight Rubber Fuse lage job sheet-balsa ROG Swarms twittering barn swallows would dart around silently gliding crates cool evening never hooked strong ther mal didnt bother DTs Faint lift sometimes kept stick-and-tissue birds circling forever seemed So has won der Free Flight such all-or-nothing thing innocent low-key pleasure bru tally wrung out dont need milelong field During SOs Long Island joined Johnny ZaIc Pete Andrews Val Luce Curtiss Field already haif-fuli housing sweated over cranky RC guys put up dozens flights early morn sundown High-performance 1/2As then-new 10% airfoil like Frank Eblings Phoenix put out Jetco sharp leading edges Never did ship leave field used short engine runs dethermal ized few seconds after models trans Specifications 735 Inch Wing Span 1000 Sq Wing Area 56 Inch Length 90 170 Lbs 61 Engine Gear Drive 9050 Engine Straight Drive 4 Channel Radio Required ** Look Next Kit P-58104 Span ** Price $22995 plus shipping Kit Endorsed Leo Loudenstager World erobatic Ctampios Mallory Models PO Box 207 Falls Church VA 22046 703 360-5424 Ann Bill Hinnant Kit Includes Epoxy Glass Fuselage Two Alum Spars 6061 T6 Spar Locations Molded Fuselage Two Piece Foam Wing Spar Locations Cut Out Foam Wing Alignment Tubes Spars Wing Molded Hatch Bottom Fuselage 1 Piece Alum 6061T6 Landing Gear Epoxy Glass Wheel Pants New Tail Design Tinted Canopy Scale Decals Full Size Scale Drawings Flying Wires Three View Drawing November 1982 83 Tatone Makes Easy joe osxo &Laser uu Scale Masters 1982 Mallory Models QUARTER SCALE LASER 200 Sport Scale AMA Scale Pattern Fun Fly NORTHERN CALIFORNIAS LARGEST DISCOUNT HOBBY SHOPI I well FUELyou New high film strength lubricant1 increased power engine lifeI Hinhst cualily inaredients action varnish II II II II II II II II II IFV1SAI IHOURS Monday thru Wednesday 930-630 Thursday & Friday 93U-8OUU Saturday 930-600Sunday 1200-500J mm m m m itioned glide circles Guys still After happening recent early morning another grassy slope passed still evening strikes us hap piness bushel basket full random smallfield Free Flights come Sigs catalog always contains dozens FFsGllders Rub ber Gas Manufacturers arent philanthropists beauty FF 02 049 can sketch nifty sport job configuration choosesand within few days go have fun Which brings up exciting designers gifted maga zine contributors ever knew Keith Lao mer miss seeing imaginative 195 Os early 1960s layouts just know people would still enjoy stuff llke magazines what can cannot have magazine substantial adver tising can have TV out detergents shampoo RC does pay way Thats way world costs fortune produce monthly copy mag rather firing off testy letters some editor caught between rock hard place help yourself Design some thing cant aint worth fighting yes know about kids no mag world help Hurst Bowers just licked five-bypass present Laumer cuties thumbnall-sketched Herb Clukey Mags issues possible given Magazines probably dont still have full-size plans although Flying Models has long list Lord knows Aero Modeller England has list available plans going back Punic Wars Dave Shipton Hobby Hideaway among others Repla-Tech too think has Aero Modeller plans can always write involved editorsgiving issues possible ask Xerox copy plan itself should cost buck Iwo MA doesnt have Laumers plans since started its present form 1975 after Laumer era believe Midwest still has immortal Sniffer youd want small Its cinch too make yourself profile pylon insetting laminated pylon using con ventional spar-edged wingsor perhaps just cambered sheet balsa thin dowel lead ing edge big thing avoid long runsengines run longer prop unloads An exter nal eyedropper tank works well one-third above needle valve two-thirds below consistent run Time run fill dropper i marked leveL coil trans parent fuel tubing also makes good tank tached flat against fuselage side en gine has tank mount reduce capacity putting space-taking objects inside have build such model send pic tures can say Ah say youd like big RC job dont want risk Scale mess months fittings detail dont want big engine Well can always go Tele master require kit Kalufs fly visit Fredericksburg have Senior Telemaster carries sidelooking camera flaps fly time flaps slightly down during entire flight flies majestically easily way Since down-flap increases washout works against tip-stall can land slow ly safely wind fact Continued page 112 84 Model Aviation Winning Ideas FOURMOST FUEL MANIFOLD seRvo 0FUEL LINE FUEL SHUT OFFSma Fue Fitting Set Manifold Provides ConvenientCan Used Control FuelS zeI DPRICE $1 50 Method Tank Filling Draining andFlow Starting1 Tee 2 Elbows 1 Pen Bladder Tee PrimingPositive Airborn Shutoff % IDPRICE $125PRICE $420 i5 AND t ODSTRUT FAIRINGS Comes two 23 Lengths Two Sizes coanwig% ID / ID/\LageFue Pttng Set /7Sze% IDPRICE$200 Packaged 2 Ft s zePRICEI Tee 1 E bow 1 Un 1 Plug PRICE $2502 lengths either size $270BobuadeFom Foe Faa Po ye 0y en Send SASE Complete Information Fuuvu~i 4040 24th Ave Forest Grove OR 97116 PRODUCTS Phone 503 357-2732 hEw PONYBLIMP NOIiRU6ID AIRSHIP PRACTICAL SIZE can Lift 28 Oc Uae Standard Radian 13 4 CIanaell Reqairns 80 Cabic Ft af Helium IHeliam Anallable welding Supply Shapn FUU CONTROL Modern Thnnt-Anredynunic Central Fareuard Haner Backward Elevation Tan Baltact Helian Rnlnenn COMPLETE El Fanned Planec Din-Cot Balsa end Plywaad Panta Mounting Hardware S249OO Wire Piage Switchen Baak Eaplain ing Blimap Operutian Detailed Plana Phaton Canpletely Fabri cated Vinyl Helian Ennelape Electrrc Motors Radio snd Batteries NOW YOU CAN FLY YOUR OWNNot Included ELECTRIC POWERED BLIMPCOMPLETE CATALOG $100 DL8*JaAaAaePO BOX 2498 -MA LA MESA CALIF 92041 WmRUVfyUUGPHONE 714 489-8675 714 442-4636 Fun/Winter Continued page 84 doing sweat cracked up RC Special ailerons remember Falcons Kadets etc world oyster chance fly half-up Kadet II field concocted Jerry Johnson help Charlie Rec tor Now wenve never flown heavy real air craft somewhat sluggish controls Fox Eagle-powered Kadet Kapitan use aileron stick like guy Hollywood movie rolling wheel back forth no real-plane feel fast ship instantaneous response have fly crate anticipate amazing feeling real aircraft comes through Its slow-motion boys used less dihedral standard Kadet multi-spar non-D-tube no sheeting Hoerner-type roiled tips Styrofoambut inverted point upwards certainly did no harm big deal cratedubbed Big Mother fellow flierscost $30 uncov ered made foam-core board construction-grade spruce spars etc sawed strips 2 x 4 Exposed edges foam board sealed 3/16-in-plus strips Firewall 3/8 ply cabin bulkheads tmA ply suggest Lite Ply Ribs foamcore board pars other sizes cap-stripped 1/16 thck balsa Covering polyester cloth fabric shop center section reinforced 6-inwide glass cloth Wings have five coats clear Hinges homemade versions Evans X-Hinge iron place Strips 1-in Coverite laid down center adhesive sides facing Cowl epoxy-molded glass cloth over form Final finish Rustoleum seems fuel-proof does take long time set up over epoxy 88-in span chord 16 mutant Kadet has 10 sq ft area Weightincluding 1 lb ballastis 11 lb giv ing loading 175 oz very light big airplane Its KPS-9 servos big slow have adequate power wing center operates barn-door ailerons 3/8-in dowel pushrod ditto elevator Rudder con trolled fishing leader cablesquite positive Stab fin arc braced 1/16-tn wire Big Mother has survived two crashes would have done conventionally-con structed craft Damage broken prop 12-6 Top Elite Super M sec ond cartwheel bent tail bit broke tail brace What about power Since li-lb 88-in biggie does well old-model Fox Eagle 60 half-up Falcon 84 would fly re alistically hot 40 light would much inferior acrobatics Senior Falcon 60 Alas some guys will want use piped 90sand goes realism Senior Falcon 98 being clean slippery airfoil should weigh too much either scalelike hot 60 aerobatic enough please anyone 90 much can done nicely around 40s 60s dont build heavy have 96-in low-wing lightweight equates 2-Meter 10 perhaps between 049 10 2-Meters nose Takeoffs tail grass 4-in Wil liams wheels arc surprisingly easy An Air tronics Q-Tee two three times up would pretty picture get idea fun taking become collector Keith Russell began building models age 10 now 16 flying Sig Komrnander has gem Several years ago father modeler well gone take trash landfill recounts operator fills over trash dirt using bull dozer backed car active area began toss Out junk realized throwing top dozens air plane kits As bulldozer roared closer frantically loaded car instead emptying got home can imagine mother less enthusiastic how11 2 Model Aviation Meet Kadet Kapitan bUa-uP Sig Kadet old Fox Eagle Cooked up Charlie Rec tor looking youl Jerry Johnson made foam-core board spruce built-up wingfor total airframe cost $30 including polyester cloth covering Kaluf pic What doing winter prospect long cold winter has got down let OrLine R/C kit take chill off OrLines classic World War biplanes favorite winter building project novice expert alike new Y4 scale Fairchild 22 sure provide plenty excitement its gr8ceful lines begin take shape workbench can bring back romance Immelmanns dogfights winter long two airplanes will never go out style Sopwith Pup Fokker DVII something winter Warm up OrLine Fairchild 22 Sopwith Pup Fokker DVII Wing span 98 Wing span 67/2 span 72 Wing area 1617 sq inWing area 1586 sq inWing area 1480 sq Power 2 cu Quadra r 60 90 r 60 90 $18950 $11950 $11950 ci Wi ke Cr OrLine Radio Controlled Aircraft Mfrs ox 12501 Salem Oregon 97309 phone 503 362-1606 ever saved over three dozen Joe Ott kits kits included mahogany card board sheet parts WW II shortages bass wood strips tissue glue kits may have dated 1940-1 944 built sold several Americas Hobby Center Still have eight hand Wild cat Mustang Spitfire Brewster Dauntless Stuka etc boxes area bit tattered cant swear glue good Super Jet old-timer fans inter ested would part couple would happy donate couple AMA Museum heavens sakeguys dont write ol Bill Keiths address Box 135 Division St RD No 2 Galway NY 12074 doubt hell able answer everyone wheres sporting blood Correction recent column spoke flying Cessna 120 flaps own ers pilots chide us politely 140 Both basically similar al though electrics other stuff improved 140 flaps added remember having two bad mags 120 cross-country buy elec tric bit confused numbers having also flown four-place 170which flies bet ter its trike descendantswhich assumed 140 Memory plays tricks also slight time no takeoffs land ings both immortal Airmaster prewar vintage 195 impressive hunk machinery AU friendly critics agree flaps 140 did next nothing Bob Benjamins search authentic Aeronca K plans Ive swamped ad vicedo know Bob Lopshire Bob Karlsson has local use real plane nearby too Karlsson noted Scale man meet him contest might beg him bended knees Bill Winter 4426 Altura t Fairfax VA 22030 Laser Model/Shepherd Continued page 30 shown side view Pin top sides place formers F3A F5A Slip former F-4 place eyeball top see square straight glue sides formers Glue /32 sheet F-4 forward cockpit floor Glue Vs x longerons F-4 F-S Glue F5B place Glue TSF side fairings place Glue -in side sheets F-4 F5A Remove cabin section glue -in dou blers inside side sheets between F-4 F5A op longerons Glue -in sheetovertheturtledeck7/g-in behindformerF-5 Glue tab -in top sheet 2-in forward block over fuel tank Glue -in sheet over cabin section Mark center forward rear -in blocks 5bin section drill us-in holes marks dowels Cut dowels length Hot Stuff top blocks Place cabin section back wing Pin down drill holes 4-40 FR bolts through middle dowels Remove cabin section install 4-40 blind nuts under ply tabs Taper top holes dowels screw cabin section Cut former F-i Ply Mark center Continued page 116 II ~R/C GOODIES P 0 BOX 192 NUYS CA91408 AIR213 764-1490FO 110 CAPITAL MODELS READY-TO-FLY 40 61 1Reg $15995SPAN SPECIAL $13995I $65OShipI Fully Built & Painted Controls Fuel Tank LG & Wheels installed Needs Ionly Engine Radio installationI 4 4Ce Reg $6950 SPECIAL $4995 POWER PACER R/C Battery Tester Charges & Cycles Tx & Rx batteries Locates bad cells & provides batt capacity readings cowTy TRAINER CRAFTAIR I57 ISPAN SHIP $650 Reg $4995 SPEC $3247 Kit available flatbottom semmsym Imetrical wing 2 4 Ch 19 40 Engine Calif add Sales Tax No CODs Brochure 60m US $170 Foreign 4 1/2% Surcharge VISA Visa Master Card November 1982 113 cam erty
Edition: Model Aviation - 1982/11
Page Numbers: 16, 17, 18, 20, 83, 84, 112, 113
ACCORDING TO THE PAPERS Frank Perdue once hated chickens Perdue feisty guy pushes chickens TV throwing classy bachelor dinners Cornish hens four telling us send hack other guys blackened bones note say ing Gentlemen bones Did eat chicken 01 Frank would make perfect modeler classic AMA activist too am fowl mood busted crate No oppressed Kadet Like unfortu nate airline takeoff mishaps crash textbook accident Perhaps youve noticed accidents involve bare minimum three contributing causes Model postmortems teach five years uneventful hacking around Cursory wakes field blame errant transmitters spooky signais failed batteries etc trash remains no accident investi gations fun lets see what accident anaiysis reveais Subject aircraft Five-year-old RC Special scaled-down version 1948 design pub ilshed September 1980 MA cabin con figuration tail-dragger flat-bottom airfoil 5 deg dibedral three channels no ailerons last powered ST 35 Weather 90 degrees high humidity vari able wind averaging 12-15 mph gusts 25 Gusty changing crosswind vectors 90 deg port starboard Location 50-miles-away visited club field 560-ft well-mowed grass strip unlimit ed approaches Airspace burn Aircraft log 131 flights fleet log same period 700-minus Initially powered K&B 19 Long runs delicate lift-offs sluggish rudder during run flight 22 Pattern flier unable spin until shown wiggling rudder nose-high produced entry stalling tip flight 23 temperature humidity matching later accident takeoff quartering out crosswind short strip visited field lift-off premature coupled severe rudder correction wind back runway line produced tip stall roll inverted cartwheel teasing out cabin major repair Flight 128 same site terminal accident Fast long power approach idled near thresh old slightly nose down fading away runway center line airplanes left Gen tle flare-out correction elevator simultane ous slight rudder correction heading ample airspeed plane abruptly rolled moderately toward pilot line heading cor rected now roughly 8-ft altitude required botb left right rudder maintain control too close pits hard rudder regain runway augered spin damage During 1980-1981 plane flown Davis Diesel-converted ST 35 bor rowed engine test bed expert pilot Radio change aging oil-soaked etc pro duced CG change rearward mid-I 982 com pensated nose ballastwing loading up 18 ounces flight Engine overheating unusual re setting high- low-speed throttle Taxied out long wait runway side Scale mod eler checked taxiing another aircraft Ex tremely ineffective muffler other aircraft own engine almost unheard Initial run accel erated normally up-control held momentarily 16 Model Aviation U jUSt fun Bill Winter Bill Winter left Col Bill Kaluf Fredericksburg before Bill pranged RC Special Flight 131 Youll want read accident analysis text find out Winters transmitter carries both blue-and-white brown-and-white frequency clip Bill Winter figures perfect answer cantilever-strut gear big models Its Gull-wing Stinson Fits fuselage slot removable model being built Les Putnam reported Fred Nielsen Realistic Models acquired production rights Stinson 150 Quarter Scale kit redesigned remove several pounds has made five kits Traced down Fred says gear intended below floor boards actually proiected under seats Bill Winters big Aristocrat real life too redesigned lighter extending above floor boards compression factor l3to 2 instead l3to 1 principle adaptable size weight plane Gear shown job craftsman having lathe Pictures Les Putnam show gear normal loaded modes Realistic Models has crawings does produce gear begin run relaxed tail rose slight down held build up speed Undue rudder correc tions required somewhat erratic ground path during later stages run true head ing wheels skimmed ground Slight downcon trol held avoid abrupt lift-off wind Gust switch starboard port right rip dropped approximately 15 degrees seemingly adequate airspeed ship off ground rudder unable prevent severe cartwheel Radio brown-and-white susceptible blue-and-white adjaccnt frequency antenna down Flew both color pins precaution Operable after crash First-line radio manufacturer stated totally desuned antenna down condition apparent before crash antenna xas always uptherefore nut factor suggest never operating pits antenna down es pecially taxiing Has gone high engine past antcnna down Tank Could emptied filled electric pump after crash turned brown age black neoprene clunk affected diesel fuel hence last-flight needle adjust ments Heavy corrections takeoff delay lift-offspeed did seem adequate Happily posing MA shot energetic 83-year-young Joe Ott soon-to-be kitted Golden Falcon perhaps Swallow Has unique features Flies well about 20 inverts does outsides takes off 15 ftlargely due Joes mix M-6 Eppler 205 St Cyr 52 airfoils St Cyr used Heath Parasol already fiddling mid-engine low-winger ex tension shaft Gosh what next November 1982 17 Classic RC models right hand picture Merlyn Welchs love L-R Goldberg Hanger 42 still around tine-grain toam goodiel Bill Winters Gramps AlAN Sterling Mini Mambo once rage 15-year-old Midwest Triquire another all-time favorite left Merlyn glory days 100-hp Kinner Fleet winter togs Merlyn going pick up downed pilot Clothes weighed did produced marginal loss power due lean run inadequate penetration wind control response gusts factor clearly primary cause sound obscured second aircrafts barking muffler Flight should have aborted Lack diligent tank maintenance obvious ones own field flier decides clearly whether fly according particular aircraft wind/weather travel sub conscious effort fly no matter condi tions poor obviously dangerous never must fly Bite bullet Three-channel planes flat-bottomed airfoils given higher wing power loadings inferior degree convex bottoms because center pressure forward movement witls increasing angles attack tending balloon Simultaneous appilcation rudder elevator related snap-roll maneuver Ailerons less dihedral safer far anyone has mastered basics cussed Kadet would have cartwlseeled aileron available takeff level wings witls crossed controls Rudder alone produces turn bank entry Conclusion always blame pilot pilot exercised poor judgment tanta mount pilot error Contributing causes model flying rationalizations con tributing factors must acted upon improved safety Fortunately walk away accidents thus learn thereby design Guest pilots like RC Spe cials coordinated smoothness also soars like mad left trimmed high circles engine killed has unexplained trait always turning automatically lift ad justing its own tum diameter match magazine plan three-view design follow-up given Because RC Special scale-down wing area less pro portion-area square function linear inch chord boost area reduce loading Convex undercamber reduce CP travel readily produces nose-ups ballooning flat-bottom mishandled trike gear simplify ground handling Less dihedral ailerons all-weather Continued page 20 SHORT DOWEL ENGAGES HOLE HOOK DOWEL 0 HOOK TYPICAL DUMMY SMALL BANDS HOLD FRONT OF WING TO POD BENEATH FUSE TAKE APART RUBBER CHAMBERMAID Lifes darkest moments rush things accidentally left out three items illustration should have printed last month No doubt scratched heads saw mention text illustration couldnt find Sorry about arebetter late never left sketch take-apart Rubber-Powered Chambermaid model devised 1 G Schmidt St Petersburg FL top right shot Jack Harens two Buccaneer B Specials separated 23 years foreground ancient Forster 29 spark-ignition job made two flights single-channel Aero-Trol rig escapement rudder control solenoid-timed engine shotoff Behind new Enya 15-powered MonoKoted job REM controls Now hes able launch fly land own Above right Smoker 40-size variation Phoenix theme designed kitted two members Mid-State RC Club Alexandria LA guys own glass work Thats Gus Volks model Might worthwhile reread October issue info 18 Model Aviation 049-051 Engines KitK-72495 Cal NIUS INC ACCUETACH 1 LCITAL ER 2E 3MoNITOR TACHOME us VOLTMET ate CHARGE tO getad-Determine ~jiCadMakes po5S3attery accurate RP1 th ru~argeofY0 jth-safelY peal1a~~ge bY out~eck hntpack ofl Select tinewatchifl9 0 jgflalS topend adJUSntbatteris ernost tXIR dual scale capabiliWlOXO 100X preCI teage drop tha full ~arge ty built withcombos Quail lectronics ORDER YOURS NOW 79PeaId Send check money order no CODs NortZal AVIONICS Inc PO Box 70956 Sunnyvale CA 94086 california residents add 60/0 tax Add $300 shipping outside continental USA Dealer inquiries invited knock-about sport plane good crosswind features desirable RC Special no washout No ever reported its need sport jobs spend lives right-side-up should have adequate washoutjust case Carve stone double-take Immediately after crash flier rescued under fly-tent blown down wind Whatever happened hand-held wind-strength gadgets Since tip-stall evidently high-speed stall wind shear likely rapid gusts add subtract airspeed differential 15 mph perhaps 20 ship flying second dead air next regardless normal attitude perceived Incidentally used rubberbands nylon bolts Id still have plane Bolts break air speed plane density construction high An open structure yields bolts break straight never cart wheel safety board chairman would advise fly fewer planes devote loving main tenance plane engine tank radio everything really right onand weather suit machine beyond previous experiencedont fly Ever Merlyn Welch Ten Mile Hobbies Hillsdale KS enjoys modelers letters writes can thanks Doc Mathews has chewing over old full-scale days Merlyn Kansas City Municipal M W checked pix gossip started building models 1927 first plane built believe out Boys Life Merlyn tells us own first model 1927 mag American Boy kit stick model 1/16 sq anything else Fifty cents plus post age never got fly still have Playboy Senior 1942 now restoration will put single-channel escapement radio should flip teary-eyed ancients Imagine escapement Retired six years Merlyn gets fun out treasured hobby spite handi caps cut heavily flying After heart attack gave up hand-launching eyes arent what should has no depth perception thinks must have another pilot land planes him lot us cant hit broadside barn Merlyn own case delayed reactions result poor perception Now no matter low get approach seem suddenly high over threshold and/or fading off strip far side diverging angle present time have four radio jobs go 25 planes CL RC well IT apparently needing cover ing two still kit boxes would like build Quarter Scale think thats little dreaming Quarter Scale can easy easier fly little jobs pick something appropriatethat means lots wing area simple boxy structures Sigs -scale Cub ideal bet tad smaller Top Flites 40-powered big Cub realistic fascinating fly Pattern-flying son leaves beloved bombs shop Merlyn sneak off hobby shop shelf have pilot help use help biggies guys big float ers cinch Try J-3 see note second crate left Merlyns Coorinued page 83 20 Model Aviation Rubber Power Gas Engines Free Flight RIC C/L Safety Preston Continued page 14 have stated previously column model flying has excellent safety record com pared other leisure pursuits would like see stay way urge take objective look current flying site frequently fly over someone elses property over spectators innocent bystand ers youanswer yes perhaps change op erating procedures needed suggest check letter AMA HQ offices AMAs attorney appeared recent issue MA Flier His/Her Neighbor October 1982 pp 86 89 deals overflying other peoples property AMA members consequences respect trespass appears trespass can occur merely invasion airspace above property owned others Its food thought wind up months column would like thank readers wrote us opinions weight limits Giant Models apologize responding personal letter spare time has very limited summer As write preparing leave Nats second trip CL Scale World Championships Kiev follows almost immediately Because latter trip will miss deadline December issue magazine Expect us back January issue Meanwhile please fly safely John Preston 7012 Elvira Ct Falls Church VA 22042 Fun/Winter Continued page 20 plc writers Gramps 6-ft rudder job stunted Veco 19 escapement rudder-only no throttlewas pub lished MAN during 50s Guys search RC oldies will find fine flier three servos Schnuerle 25 plainbearing non-Schnuerle 29-35 sitting box Letters will reach Merlyn H Welch PO Box 86 Hilsdale KS 66036 has dreamed having own fly ing field freedom fly anytime just walking out back door once such place could hand-launch big early-day RCs quiet ings put up 5/2A Free Flight Rubber Fuse lage job sheet-balsa ROG Swarms twittering barn swallows would dart around silently gliding crates cool evening never hooked strong ther mal didnt bother DTs Faint lift sometimes kept stick-and-tissue birds circling forever seemed So has won der Free Flight such all-or-nothing thing innocent low-key pleasure bru tally wrung out dont need milelong field During SOs Long Island joined Johnny ZaIc Pete Andrews Val Luce Curtiss Field already haif-fuli housing sweated over cranky RC guys put up dozens flights early morn sundown High-performance 1/2As then-new 10% airfoil like Frank Eblings Phoenix put out Jetco sharp leading edges Never did ship leave field used short engine runs dethermal ized few seconds after models trans Specifications 735 Inch Wing Span 1000 Sq Wing Area 56 Inch Length 90 170 Lbs 61 Engine Gear Drive 9050 Engine Straight Drive 4 Channel Radio Required ** Look Next Kit P-58104 Span ** Price $22995 plus shipping Kit Endorsed Leo Loudenstager World erobatic Ctampios Mallory Models PO Box 207 Falls Church VA 22046 703 360-5424 Ann Bill Hinnant Kit Includes Epoxy Glass Fuselage Two Alum Spars 6061 T6 Spar Locations Molded Fuselage Two Piece Foam Wing Spar Locations Cut Out Foam Wing Alignment Tubes Spars Wing Molded Hatch Bottom Fuselage 1 Piece Alum 6061T6 Landing Gear Epoxy Glass Wheel Pants New Tail Design Tinted Canopy Scale Decals Full Size Scale Drawings Flying Wires Three View Drawing November 1982 83 Tatone Makes Easy joe osxo &Laser uu Scale Masters 1982 Mallory Models QUARTER SCALE LASER 200 Sport Scale AMA Scale Pattern Fun Fly NORTHERN CALIFORNIAS LARGEST DISCOUNT HOBBY SHOPI I well FUELyou New high film strength lubricant1 increased power engine lifeI Hinhst cualily inaredients action varnish II II II II II II II II II IFV1SAI IHOURS Monday thru Wednesday 930-630 Thursday & Friday 93U-8OUU Saturday 930-600Sunday 1200-500J mm m m m itioned glide circles Guys still After happening recent early morning another grassy slope passed still evening strikes us hap piness bushel basket full random smallfield Free Flights come Sigs catalog always contains dozens FFsGllders Rub ber Gas Manufacturers arent philanthropists beauty FF 02 049 can sketch nifty sport job configuration choosesand within few days go have fun Which brings up exciting designers gifted maga zine contributors ever knew Keith Lao mer miss seeing imaginative 195 Os early 1960s layouts just know people would still enjoy stuff llke magazines what can cannot have magazine substantial adver tising can have TV out detergents shampoo RC does pay way Thats way world costs fortune produce monthly copy mag rather firing off testy letters some editor caught between rock hard place help yourself Design some thing cant aint worth fighting yes know about kids no mag world help Hurst Bowers just licked five-bypass present Laumer cuties thumbnall-sketched Herb Clukey Mags issues possible given Magazines probably dont still have full-size plans although Flying Models has long list Lord knows Aero Modeller England has list available plans going back Punic Wars Dave Shipton Hobby Hideaway among others Repla-Tech too think has Aero Modeller plans can always write involved editorsgiving issues possible ask Xerox copy plan itself should cost buck Iwo MA doesnt have Laumers plans since started its present form 1975 after Laumer era believe Midwest still has immortal Sniffer youd want small Its cinch too make yourself profile pylon insetting laminated pylon using con ventional spar-edged wingsor perhaps just cambered sheet balsa thin dowel lead ing edge big thing avoid long runsengines run longer prop unloads An exter nal eyedropper tank works well one-third above needle valve two-thirds below consistent run Time run fill dropper i marked leveL coil trans parent fuel tubing also makes good tank tached flat against fuselage side en gine has tank mount reduce capacity putting space-taking objects inside have build such model send pic tures can say Ah say youd like big RC job dont want risk Scale mess months fittings detail dont want big engine Well can always go Tele master require kit Kalufs fly visit Fredericksburg have Senior Telemaster carries sidelooking camera flaps fly time flaps slightly down during entire flight flies majestically easily way Since down-flap increases washout works against tip-stall can land slow ly safely wind fact Continued page 112 84 Model Aviation Winning Ideas FOURMOST FUEL MANIFOLD seRvo 0FUEL LINE FUEL SHUT OFFSma Fue Fitting Set Manifold Provides ConvenientCan Used Control FuelS zeI DPRICE $1 50 Method Tank Filling Draining andFlow Starting1 Tee 2 Elbows 1 Pen Bladder Tee PrimingPositive Airborn Shutoff % IDPRICE $125PRICE $420 i5 AND t ODSTRUT FAIRINGS Comes two 23 Lengths Two Sizes coanwig% ID / ID/\LageFue Pttng Set /7Sze% IDPRICE$200 Packaged 2 Ft s zePRICEI Tee 1 E bow 1 Un 1 Plug PRICE $2502 lengths either size $270BobuadeFom Foe Faa Po ye 0y en Send SASE Complete Information Fuuvu~i 4040 24th Ave Forest Grove OR 97116 PRODUCTS Phone 503 357-2732 hEw PONYBLIMP NOIiRU6ID AIRSHIP PRACTICAL SIZE can Lift 28 Oc Uae Standard Radian 13 4 CIanaell Reqairns 80 Cabic Ft af Helium IHeliam Anallable welding Supply Shapn FUU CONTROL Modern Thnnt-Anredynunic Central Fareuard Haner Backward Elevation Tan Baltact Helian Rnlnenn COMPLETE El Fanned Planec Din-Cot Balsa end Plywaad Panta Mounting Hardware S249OO Wire Piage Switchen Baak Eaplain ing Blimap Operutian Detailed Plana Phaton Canpletely Fabri cated Vinyl Helian Ennelape Electrrc Motors Radio snd Batteries NOW YOU CAN FLY YOUR OWNNot Included ELECTRIC POWERED BLIMPCOMPLETE CATALOG $100 DL8*JaAaAaePO BOX 2498 -MA LA MESA CALIF 92041 WmRUVfyUUGPHONE 714 489-8675 714 442-4636 Fun/Winter Continued page 84 doing sweat cracked up RC Special ailerons remember Falcons Kadets etc world oyster chance fly half-up Kadet II field concocted Jerry Johnson help Charlie Rec tor Now wenve never flown heavy real air craft somewhat sluggish controls Fox Eagle-powered Kadet Kapitan use aileron stick like guy Hollywood movie rolling wheel back forth no real-plane feel fast ship instantaneous response have fly crate anticipate amazing feeling real aircraft comes through Its slow-motion boys used less dihedral standard Kadet multi-spar non-D-tube no sheeting Hoerner-type roiled tips Styrofoambut inverted point upwards certainly did no harm big deal cratedubbed Big Mother fellow flierscost $30 uncov ered made foam-core board construction-grade spruce spars etc sawed strips 2 x 4 Exposed edges foam board sealed 3/16-in-plus strips Firewall 3/8 ply cabin bulkheads tmA ply suggest Lite Ply Ribs foamcore board pars other sizes cap-stripped 1/16 thck balsa Covering polyester cloth fabric shop center section reinforced 6-inwide glass cloth Wings have five coats clear Hinges homemade versions Evans X-Hinge iron place Strips 1-in Coverite laid down center adhesive sides facing Cowl epoxy-molded glass cloth over form Final finish Rustoleum seems fuel-proof does take long time set up over epoxy 88-in span chord 16 mutant Kadet has 10 sq ft area Weightincluding 1 lb ballastis 11 lb giv ing loading 175 oz very light big airplane Its KPS-9 servos big slow have adequate power wing center operates barn-door ailerons 3/8-in dowel pushrod ditto elevator Rudder con trolled fishing leader cablesquite positive Stab fin arc braced 1/16-tn wire Big Mother has survived two crashes would have done conventionally-con structed craft Damage broken prop 12-6 Top Elite Super M sec ond cartwheel bent tail bit broke tail brace What about power Since li-lb 88-in biggie does well old-model Fox Eagle 60 half-up Falcon 84 would fly re alistically hot 40 light would much inferior acrobatics Senior Falcon 60 Alas some guys will want use piped 90sand goes realism Senior Falcon 98 being clean slippery airfoil should weigh too much either scalelike hot 60 aerobatic enough please anyone 90 much can done nicely around 40s 60s dont build heavy have 96-in low-wing lightweight equates 2-Meter 10 perhaps between 049 10 2-Meters nose Takeoffs tail grass 4-in Wil liams wheels arc surprisingly easy An Air tronics Q-Tee two three times up would pretty picture get idea fun taking become collector Keith Russell began building models age 10 now 16 flying Sig Komrnander has gem Several years ago father modeler well gone take trash landfill recounts operator fills over trash dirt using bull dozer backed car active area began toss Out junk realized throwing top dozens air plane kits As bulldozer roared closer frantically loaded car instead emptying got home can imagine mother less enthusiastic how11 2 Model Aviation Meet Kadet Kapitan bUa-uP Sig Kadet old Fox Eagle Cooked up Charlie Rec tor looking youl Jerry Johnson made foam-core board spruce built-up wingfor total airframe cost $30 including polyester cloth covering Kaluf pic What doing winter prospect long cold winter has got down let OrLine R/C kit take chill off OrLines classic World War biplanes favorite winter building project novice expert alike new Y4 scale Fairchild 22 sure provide plenty excitement its gr8ceful lines begin take shape workbench can bring back romance Immelmanns dogfights winter long two airplanes will never go out style Sopwith Pup Fokker DVII something winter Warm up OrLine Fairchild 22 Sopwith Pup Fokker DVII Wing span 98 Wing span 67/2 span 72 Wing area 1617 sq inWing area 1586 sq inWing area 1480 sq Power 2 cu Quadra r 60 90 r 60 90 $18950 $11950 $11950 ci Wi ke Cr OrLine Radio Controlled Aircraft Mfrs ox 12501 Salem Oregon 97309 phone 503 362-1606 ever saved over three dozen Joe Ott kits kits included mahogany card board sheet parts WW II shortages bass wood strips tissue glue kits may have dated 1940-1 944 built sold several Americas Hobby Center Still have eight hand Wild cat Mustang Spitfire Brewster Dauntless Stuka etc boxes area bit tattered cant swear glue good Super Jet old-timer fans inter ested would part couple would happy donate couple AMA Museum heavens sakeguys dont write ol Bill Keiths address Box 135 Division St RD No 2 Galway NY 12074 doubt hell able answer everyone wheres sporting blood Correction recent column spoke flying Cessna 120 flaps own ers pilots chide us politely 140 Both basically similar al though electrics other stuff improved 140 flaps added remember having two bad mags 120 cross-country buy elec tric bit confused numbers having also flown four-place 170which flies bet ter its trike descendantswhich assumed 140 Memory plays tricks also slight time no takeoffs land ings both immortal Airmaster prewar vintage 195 impressive hunk machinery AU friendly critics agree flaps 140 did next nothing Bob Benjamins search authentic Aeronca K plans Ive swamped ad vicedo know Bob Lopshire Bob Karlsson has local use real plane nearby too Karlsson noted Scale man meet him contest might beg him bended knees Bill Winter 4426 Altura t Fairfax VA 22030 Laser Model/Shepherd Continued page 30 shown side view Pin top sides place formers F3A F5A Slip former F-4 place eyeball top see square straight glue sides formers Glue /32 sheet F-4 forward cockpit floor Glue Vs x longerons F-4 F-S Glue F5B place Glue TSF side fairings place Glue -in side sheets F-4 F5A Remove cabin section glue -in dou blers inside side sheets between F-4 F5A op longerons Glue -in sheetovertheturtledeck7/g-in behindformerF-5 Glue tab -in top sheet 2-in forward block over fuel tank Glue -in sheet over cabin section Mark center forward rear -in blocks 5bin section drill us-in holes marks dowels Cut dowels length Hot Stuff top blocks Place cabin section back wing Pin down drill holes 4-40 FR bolts through middle dowels Remove cabin section install 4-40 blind nuts under ply tabs Taper top holes dowels screw cabin section Cut former F-i Ply Mark center Continued page 116 II ~R/C GOODIES P 0 BOX 192 NUYS CA91408 AIR213 764-1490FO 110 CAPITAL MODELS READY-TO-FLY 40 61 1Reg $15995SPAN SPECIAL $13995I $65OShipI Fully Built & Painted Controls Fuel Tank LG & Wheels installed Needs Ionly Engine Radio installationI 4 4Ce Reg $6950 SPECIAL $4995 POWER PACER R/C Battery Tester Charges & Cycles Tx & Rx batteries Locates bad cells & provides batt capacity readings cowTy TRAINER CRAFTAIR I57 ISPAN SHIP $650 Reg $4995 SPEC $3247 Kit available flatbottom semmsym Imetrical wing 2 4 Ch 19 40 Engine Calif add Sales Tax No CODs Brochure 60m US $170 Foreign 4 1/2% Surcharge VISA Visa Master Card November 1982 113 cam erty
Edition: Model Aviation - 1982/11
Page Numbers: 16, 17, 18, 20, 83, 84, 112, 113
ACCORDING TO THE PAPERS Frank Perdue once hated chickens Perdue feisty guy pushes chickens TV throwing classy bachelor dinners Cornish hens four telling us send hack other guys blackened bones note say ing Gentlemen bones Did eat chicken 01 Frank would make perfect modeler classic AMA activist too am fowl mood busted crate No oppressed Kadet Like unfortu nate airline takeoff mishaps crash textbook accident Perhaps youve noticed accidents involve bare minimum three contributing causes Model postmortems teach five years uneventful hacking around Cursory wakes field blame errant transmitters spooky signais failed batteries etc trash remains no accident investi gations fun lets see what accident anaiysis reveais Subject aircraft Five-year-old RC Special scaled-down version 1948 design pub ilshed September 1980 MA cabin con figuration tail-dragger flat-bottom airfoil 5 deg dibedral three channels no ailerons last powered ST 35 Weather 90 degrees high humidity vari able wind averaging 12-15 mph gusts 25 Gusty changing crosswind vectors 90 deg port starboard Location 50-miles-away visited club field 560-ft well-mowed grass strip unlimit ed approaches Airspace burn Aircraft log 131 flights fleet log same period 700-minus Initially powered K&B 19 Long runs delicate lift-offs sluggish rudder during run flight 22 Pattern flier unable spin until shown wiggling rudder nose-high produced entry stalling tip flight 23 temperature humidity matching later accident takeoff quartering out crosswind short strip visited field lift-off premature coupled severe rudder correction wind back runway line produced tip stall roll inverted cartwheel teasing out cabin major repair Flight 128 same site terminal accident Fast long power approach idled near thresh old slightly nose down fading away runway center line airplanes left Gen tle flare-out correction elevator simultane ous slight rudder correction heading ample airspeed plane abruptly rolled moderately toward pilot line heading cor rected now roughly 8-ft altitude required botb left right rudder maintain control too close pits hard rudder regain runway augered spin damage During 1980-1981 plane flown Davis Diesel-converted ST 35 bor rowed engine test bed expert pilot Radio change aging oil-soaked etc pro duced CG change rearward mid-I 982 com pensated nose ballastwing loading up 18 ounces flight Engine overheating unusual re setting high- low-speed throttle Taxied out long wait runway side Scale mod eler checked taxiing another aircraft Ex tremely ineffective muffler other aircraft own engine almost unheard Initial run accel erated normally up-control held momentarily 16 Model Aviation U jUSt fun Bill Winter Bill Winter left Col Bill Kaluf Fredericksburg before Bill pranged RC Special Flight 131 Youll want read accident analysis text find out Winters transmitter carries both blue-and-white brown-and-white frequency clip Bill Winter figures perfect answer cantilever-strut gear big models Its Gull-wing Stinson Fits fuselage slot removable model being built Les Putnam reported Fred Nielsen Realistic Models acquired production rights Stinson 150 Quarter Scale kit redesigned remove several pounds has made five kits Traced down Fred says gear intended below floor boards actually proiected under seats Bill Winters big Aristocrat real life too redesigned lighter extending above floor boards compression factor l3to 2 instead l3to 1 principle adaptable size weight plane Gear shown job craftsman having lathe Pictures Les Putnam show gear normal loaded modes Realistic Models has crawings does produce gear begin run relaxed tail rose slight down held build up speed Undue rudder correc tions required somewhat erratic ground path during later stages run true head ing wheels skimmed ground Slight downcon trol held avoid abrupt lift-off wind Gust switch starboard port right rip dropped approximately 15 degrees seemingly adequate airspeed ship off ground rudder unable prevent severe cartwheel Radio brown-and-white susceptible blue-and-white adjaccnt frequency antenna down Flew both color pins precaution Operable after crash First-line radio manufacturer stated totally desuned antenna down condition apparent before crash antenna xas always uptherefore nut factor suggest never operating pits antenna down es pecially taxiing Has gone high engine past antcnna down Tank Could emptied filled electric pump after crash turned brown age black neoprene clunk affected diesel fuel hence last-flight needle adjust ments Heavy corrections takeoff delay lift-offspeed did seem adequate Happily posing MA shot energetic 83-year-young Joe Ott soon-to-be kitted Golden Falcon perhaps Swallow Has unique features Flies well about 20 inverts does outsides takes off 15 ftlargely due Joes mix M-6 Eppler 205 St Cyr 52 airfoils St Cyr used Heath Parasol already fiddling mid-engine low-winger ex tension shaft Gosh what next November 1982 17 Classic RC models right hand picture Merlyn Welchs love L-R Goldberg Hanger 42 still around tine-grain toam goodiel Bill Winters Gramps AlAN Sterling Mini Mambo once rage 15-year-old Midwest Triquire another all-time favorite left Merlyn glory days 100-hp Kinner Fleet winter togs Merlyn going pick up downed pilot Clothes weighed did produced marginal loss power due lean run inadequate penetration wind control response gusts factor clearly primary cause sound obscured second aircrafts barking muffler Flight should have aborted Lack diligent tank maintenance obvious ones own field flier decides clearly whether fly according particular aircraft wind/weather travel sub conscious effort fly no matter condi tions poor obviously dangerous never must fly Bite bullet Three-channel planes flat-bottomed airfoils given higher wing power loadings inferior degree convex bottoms because center pressure forward movement witls increasing angles attack tending balloon Simultaneous appilcation rudder elevator related snap-roll maneuver Ailerons less dihedral safer far anyone has mastered basics cussed Kadet would have cartwlseeled aileron available takeff level wings witls crossed controls Rudder alone produces turn bank entry Conclusion always blame pilot pilot exercised poor judgment tanta mount pilot error Contributing causes model flying rationalizations con tributing factors must acted upon improved safety Fortunately walk away accidents thus learn thereby design Guest pilots like RC Spe cials coordinated smoothness also soars like mad left trimmed high circles engine killed has unexplained trait always turning automatically lift ad justing its own tum diameter match magazine plan three-view design follow-up given Because RC Special scale-down wing area less pro portion-area square function linear inch chord boost area reduce loading Convex undercamber reduce CP travel readily produces nose-ups ballooning flat-bottom mishandled trike gear simplify ground handling Less dihedral ailerons all-weather Continued page 20 SHORT DOWEL ENGAGES HOLE HOOK DOWEL 0 HOOK TYPICAL DUMMY SMALL BANDS HOLD FRONT OF WING TO POD BENEATH FUSE TAKE APART RUBBER CHAMBERMAID Lifes darkest moments rush things accidentally left out three items illustration should have printed last month No doubt scratched heads saw mention text illustration couldnt find Sorry about arebetter late never left sketch take-apart Rubber-Powered Chambermaid model devised 1 G Schmidt St Petersburg FL top right shot Jack Harens two Buccaneer B Specials separated 23 years foreground ancient Forster 29 spark-ignition job made two flights single-channel Aero-Trol rig escapement rudder control solenoid-timed engine shotoff Behind new Enya 15-powered MonoKoted job REM controls Now hes able launch fly land own Above right Smoker 40-size variation Phoenix theme designed kitted two members Mid-State RC Club Alexandria LA guys own glass work Thats Gus Volks model Might worthwhile reread October issue info 18 Model Aviation 049-051 Engines KitK-72495 Cal NIUS INC ACCUETACH 1 LCITAL ER 2E 3MoNITOR TACHOME us VOLTMET ate CHARGE tO getad-Determine ~jiCadMakes po5S3attery accurate RP1 th ru~argeofY0 jth-safelY peal1a~~ge bY out~eck hntpack ofl Select tinewatchifl9 0 jgflalS topend adJUSntbatteris ernost tXIR dual scale capabiliWlOXO 100X preCI teage drop tha full ~arge ty built withcombos Quail lectronics ORDER YOURS NOW 79PeaId Send check money order no CODs NortZal AVIONICS Inc PO Box 70956 Sunnyvale CA 94086 california residents add 60/0 tax Add $300 shipping outside continental USA Dealer inquiries invited knock-about sport plane good crosswind features desirable RC Special no washout No ever reported its need sport jobs spend lives right-side-up should have adequate washoutjust case Carve stone double-take Immediately after crash flier rescued under fly-tent blown down wind Whatever happened hand-held wind-strength gadgets Since tip-stall evidently high-speed stall wind shear likely rapid gusts add subtract airspeed differential 15 mph perhaps 20 ship flying second dead air next regardless normal attitude perceived Incidentally used rubberbands nylon bolts Id still have plane Bolts break air speed plane density construction high An open structure yields bolts break straight never cart wheel safety board chairman would advise fly fewer planes devote loving main tenance plane engine tank radio everything really right onand weather suit machine beyond previous experiencedont fly Ever Merlyn Welch Ten Mile Hobbies Hillsdale KS enjoys modelers letters writes can thanks Doc Mathews has chewing over old full-scale days Merlyn Kansas City Municipal M W checked pix gossip started building models 1927 first plane built believe out Boys Life Merlyn tells us own first model 1927 mag American Boy kit stick model 1/16 sq anything else Fifty cents plus post age never got fly still have Playboy Senior 1942 now restoration will put single-channel escapement radio should flip teary-eyed ancients Imagine escapement Retired six years Merlyn gets fun out treasured hobby spite handi caps cut heavily flying After heart attack gave up hand-launching eyes arent what should has no depth perception thinks must have another pilot land planes him lot us cant hit broadside barn Merlyn own case delayed reactions result poor perception Now no matter low get approach seem suddenly high over threshold and/or fading off strip far side diverging angle present time have four radio jobs go 25 planes CL RC well IT apparently needing cover ing two still kit boxes would like build Quarter Scale think thats little dreaming Quarter Scale can easy easier fly little jobs pick something appropriatethat means lots wing area simple boxy structures Sigs -scale Cub ideal bet tad smaller Top Flites 40-powered big Cub realistic fascinating fly Pattern-flying son leaves beloved bombs shop Merlyn sneak off hobby shop shelf have pilot help use help biggies guys big float ers cinch Try J-3 see note second crate left Merlyns Coorinued page 83 20 Model Aviation Rubber Power Gas Engines Free Flight RIC C/L Safety Preston Continued page 14 have stated previously column model flying has excellent safety record com pared other leisure pursuits would like see stay way urge take objective look current flying site frequently fly over someone elses property over spectators innocent bystand ers youanswer yes perhaps change op erating procedures needed suggest check letter AMA HQ offices AMAs attorney appeared recent issue MA Flier His/Her Neighbor October 1982 pp 86 89 deals overflying other peoples property AMA members consequences respect trespass appears trespass can occur merely invasion airspace above property owned others Its food thought wind up months column would like thank readers wrote us opinions weight limits Giant Models apologize responding personal letter spare time has very limited summer As write preparing leave Nats second trip CL Scale World Championships Kiev follows almost immediately Because latter trip will miss deadline December issue magazine Expect us back January issue Meanwhile please fly safely John Preston 7012 Elvira Ct Falls Church VA 22042 Fun/Winter Continued page 20 plc writers Gramps 6-ft rudder job stunted Veco 19 escapement rudder-only no throttlewas pub lished MAN during 50s Guys search RC oldies will find fine flier three servos Schnuerle 25 plainbearing non-Schnuerle 29-35 sitting box Letters will reach Merlyn H Welch PO Box 86 Hilsdale KS 66036 has dreamed having own fly ing field freedom fly anytime just walking out back door once such place could hand-launch big early-day RCs quiet ings put up 5/2A Free Flight Rubber Fuse lage job sheet-balsa ROG Swarms twittering barn swallows would dart around silently gliding crates cool evening never hooked strong ther mal didnt bother DTs Faint lift sometimes kept stick-and-tissue birds circling forever seemed So has won der Free Flight such all-or-nothing thing innocent low-key pleasure bru tally wrung out dont need milelong field During SOs Long Island joined Johnny ZaIc Pete Andrews Val Luce Curtiss Field already haif-fuli housing sweated over cranky RC guys put up dozens flights early morn sundown High-performance 1/2As then-new 10% airfoil like Frank Eblings Phoenix put out Jetco sharp leading edges Never did ship leave field used short engine runs dethermal ized few seconds after models trans Specifications 735 Inch Wing Span 1000 Sq Wing Area 56 Inch Length 90 170 Lbs 61 Engine Gear Drive 9050 Engine Straight Drive 4 Channel Radio Required ** Look Next Kit P-58104 Span ** Price $22995 plus shipping Kit Endorsed Leo Loudenstager World erobatic Ctampios Mallory Models PO Box 207 Falls Church VA 22046 703 360-5424 Ann Bill Hinnant Kit Includes Epoxy Glass Fuselage Two Alum Spars 6061 T6 Spar Locations Molded Fuselage Two Piece Foam Wing Spar Locations Cut Out Foam Wing Alignment Tubes Spars Wing Molded Hatch Bottom Fuselage 1 Piece Alum 6061T6 Landing Gear Epoxy Glass Wheel Pants New Tail Design Tinted Canopy Scale Decals Full Size Scale Drawings Flying Wires Three View Drawing November 1982 83 Tatone Makes Easy joe osxo &Laser uu Scale Masters 1982 Mallory Models QUARTER SCALE LASER 200 Sport Scale AMA Scale Pattern Fun Fly NORTHERN CALIFORNIAS LARGEST DISCOUNT HOBBY SHOPI I well FUELyou New high film strength lubricant1 increased power engine lifeI Hinhst cualily inaredients action varnish II II II II II II II II II IFV1SAI IHOURS Monday thru Wednesday 930-630 Thursday & Friday 93U-8OUU Saturday 930-600Sunday 1200-500J mm m m m itioned glide circles Guys still After happening recent early morning another grassy slope passed still evening strikes us hap piness bushel basket full random smallfield Free Flights come Sigs catalog always contains dozens FFsGllders Rub ber Gas Manufacturers arent philanthropists beauty FF 02 049 can sketch nifty sport job configuration choosesand within few days go have fun Which brings up exciting designers gifted maga zine contributors ever knew Keith Lao mer miss seeing imaginative 195 Os early 1960s layouts just know people would still enjoy stuff llke magazines what can cannot have magazine substantial adver tising can have TV out detergents shampoo RC does pay way Thats way world costs fortune produce monthly copy mag rather firing off testy letters some editor caught between rock hard place help yourself Design some thing cant aint worth fighting yes know about kids no mag world help Hurst Bowers just licked five-bypass present Laumer cuties thumbnall-sketched Herb Clukey Mags issues possible given Magazines probably dont still have full-size plans although Flying Models has long list Lord knows Aero Modeller England has list available plans going back Punic Wars Dave Shipton Hobby Hideaway among others Repla-Tech too think has Aero Modeller plans can always write involved editorsgiving issues possible ask Xerox copy plan itself should cost buck Iwo MA doesnt have Laumers plans since started its present form 1975 after Laumer era believe Midwest still has immortal Sniffer youd want small Its cinch too make yourself profile pylon insetting laminated pylon using con ventional spar-edged wingsor perhaps just cambered sheet balsa thin dowel lead ing edge big thing avoid long runsengines run longer prop unloads An exter nal eyedropper tank works well one-third above needle valve two-thirds below consistent run Time run fill dropper i marked leveL coil trans parent fuel tubing also makes good tank tached flat against fuselage side en gine has tank mount reduce capacity putting space-taking objects inside have build such model send pic tures can say Ah say youd like big RC job dont want risk Scale mess months fittings detail dont want big engine Well can always go Tele master require kit Kalufs fly visit Fredericksburg have Senior Telemaster carries sidelooking camera flaps fly time flaps slightly down during entire flight flies majestically easily way Since down-flap increases washout works against tip-stall can land slow ly safely wind fact Continued page 112 84 Model Aviation Winning Ideas FOURMOST FUEL MANIFOLD seRvo 0FUEL LINE FUEL SHUT OFFSma Fue Fitting Set Manifold Provides ConvenientCan Used Control FuelS zeI DPRICE $1 50 Method Tank Filling Draining andFlow Starting1 Tee 2 Elbows 1 Pen Bladder Tee PrimingPositive Airborn Shutoff % IDPRICE $125PRICE $420 i5 AND t ODSTRUT FAIRINGS Comes two 23 Lengths Two Sizes coanwig% ID / ID/\LageFue Pttng Set /7Sze% IDPRICE$200 Packaged 2 Ft s zePRICEI Tee 1 E bow 1 Un 1 Plug PRICE $2502 lengths either size $270BobuadeFom Foe Faa Po ye 0y en Send SASE Complete Information Fuuvu~i 4040 24th Ave Forest Grove OR 97116 PRODUCTS Phone 503 357-2732 hEw PONYBLIMP NOIiRU6ID AIRSHIP PRACTICAL SIZE can Lift 28 Oc Uae Standard Radian 13 4 CIanaell Reqairns 80 Cabic Ft af Helium IHeliam Anallable welding Supply Shapn FUU CONTROL Modern Thnnt-Anredynunic Central Fareuard Haner Backward Elevation Tan Baltact Helian Rnlnenn COMPLETE El Fanned Planec Din-Cot Balsa end Plywaad Panta Mounting Hardware S249OO Wire Piage Switchen Baak Eaplain ing Blimap Operutian Detailed Plana Phaton Canpletely Fabri cated Vinyl Helian Ennelape Electrrc Motors Radio snd Batteries NOW YOU CAN FLY YOUR OWNNot Included ELECTRIC POWERED BLIMPCOMPLETE CATALOG $100 DL8*JaAaAaePO BOX 2498 -MA LA MESA CALIF 92041 WmRUVfyUUGPHONE 714 489-8675 714 442-4636 Fun/Winter Continued page 84 doing sweat cracked up RC Special ailerons remember Falcons Kadets etc world oyster chance fly half-up Kadet II field concocted Jerry Johnson help Charlie Rec tor Now wenve never flown heavy real air craft somewhat sluggish controls Fox Eagle-powered Kadet Kapitan use aileron stick like guy Hollywood movie rolling wheel back forth no real-plane feel fast ship instantaneous response have fly crate anticipate amazing feeling real aircraft comes through Its slow-motion boys used less dihedral standard Kadet multi-spar non-D-tube no sheeting Hoerner-type roiled tips Styrofoambut inverted point upwards certainly did no harm big deal cratedubbed Big Mother fellow flierscost $30 uncov ered made foam-core board construction-grade spruce spars etc sawed strips 2 x 4 Exposed edges foam board sealed 3/16-in-plus strips Firewall 3/8 ply cabin bulkheads tmA ply suggest Lite Ply Ribs foamcore board pars other sizes cap-stripped 1/16 thck balsa Covering polyester cloth fabric shop center section reinforced 6-inwide glass cloth Wings have five coats clear Hinges homemade versions Evans X-Hinge iron place Strips 1-in Coverite laid down center adhesive sides facing Cowl epoxy-molded glass cloth over form Final finish Rustoleum seems fuel-proof does take long time set up over epoxy 88-in span chord 16 mutant Kadet has 10 sq ft area Weightincluding 1 lb ballastis 11 lb giv ing loading 175 oz very light big airplane Its KPS-9 servos big slow have adequate power wing center operates barn-door ailerons 3/8-in dowel pushrod ditto elevator Rudder con trolled fishing leader cablesquite positive Stab fin arc braced 1/16-tn wire Big Mother has survived two crashes would have done conventionally-con structed craft Damage broken prop 12-6 Top Elite Super M sec ond cartwheel bent tail bit broke tail brace What about power Since li-lb 88-in biggie does well old-model Fox Eagle 60 half-up Falcon 84 would fly re alistically hot 40 light would much inferior acrobatics Senior Falcon 60 Alas some guys will want use piped 90sand goes realism Senior Falcon 98 being clean slippery airfoil should weigh too much either scalelike hot 60 aerobatic enough please anyone 90 much can done nicely around 40s 60s dont build heavy have 96-in low-wing lightweight equates 2-Meter 10 perhaps between 049 10 2-Meters nose Takeoffs tail grass 4-in Wil liams wheels arc surprisingly easy An Air tronics Q-Tee two three times up would pretty picture get idea fun taking become collector Keith Russell began building models age 10 now 16 flying Sig Komrnander has gem Several years ago father modeler well gone take trash landfill recounts operator fills over trash dirt using bull dozer backed car active area began toss Out junk realized throwing top dozens air plane kits As bulldozer roared closer frantically loaded car instead emptying got home can imagine mother less enthusiastic how11 2 Model Aviation Meet Kadet Kapitan bUa-uP Sig Kadet old Fox Eagle Cooked up Charlie Rec tor looking youl Jerry Johnson made foam-core board spruce built-up wingfor total airframe cost $30 including polyester cloth covering Kaluf pic What doing winter prospect long cold winter has got down let OrLine R/C kit take chill off OrLines classic World War biplanes favorite winter building project novice expert alike new Y4 scale Fairchild 22 sure provide plenty excitement its gr8ceful lines begin take shape workbench can bring back romance Immelmanns dogfights winter long two airplanes will never go out style Sopwith Pup Fokker DVII something winter Warm up OrLine Fairchild 22 Sopwith Pup Fokker DVII Wing span 98 Wing span 67/2 span 72 Wing area 1617 sq inWing area 1586 sq inWing area 1480 sq Power 2 cu Quadra r 60 90 r 60 90 $18950 $11950 $11950 ci Wi ke Cr OrLine Radio Controlled Aircraft Mfrs ox 12501 Salem Oregon 97309 phone 503 362-1606 ever saved over three dozen Joe Ott kits kits included mahogany card board sheet parts WW II shortages bass wood strips tissue glue kits may have dated 1940-1 944 built sold several Americas Hobby Center Still have eight hand Wild cat Mustang Spitfire Brewster Dauntless Stuka etc boxes area bit tattered cant swear glue good Super Jet old-timer fans inter ested would part couple would happy donate couple AMA Museum heavens sakeguys dont write ol Bill Keiths address Box 135 Division St RD No 2 Galway NY 12074 doubt hell able answer everyone wheres sporting blood Correction recent column spoke flying Cessna 120 flaps own ers pilots chide us politely 140 Both basically similar al though electrics other stuff improved 140 flaps added remember having two bad mags 120 cross-country buy elec tric bit confused numbers having also flown four-place 170which flies bet ter its trike descendantswhich assumed 140 Memory plays tricks also slight time no takeoffs land ings both immortal Airmaster prewar vintage 195 impressive hunk machinery AU friendly critics agree flaps 140 did next nothing Bob Benjamins search authentic Aeronca K plans Ive swamped ad vicedo know Bob Lopshire Bob Karlsson has local use real plane nearby too Karlsson noted Scale man meet him contest might beg him bended knees Bill Winter 4426 Altura t Fairfax VA 22030 Laser Model/Shepherd Continued page 30 shown side view Pin top sides place formers F3A F5A Slip former F-4 place eyeball top see square straight glue sides formers Glue /32 sheet F-4 forward cockpit floor Glue Vs x longerons F-4 F-S Glue F5B place Glue TSF side fairings place Glue -in side sheets F-4 F5A Remove cabin section glue -in dou blers inside side sheets between F-4 F5A op longerons Glue -in sheetovertheturtledeck7/g-in behindformerF-5 Glue tab -in top sheet 2-in forward block over fuel tank Glue -in sheet over cabin section Mark center forward rear -in blocks 5bin section drill us-in holes marks dowels Cut dowels length Hot Stuff top blocks Place cabin section back wing Pin down drill holes 4-40 FR bolts through middle dowels Remove cabin section install 4-40 blind nuts under ply tabs Taper top holes dowels screw cabin section Cut former F-i Ply Mark center Continued page 116 II ~R/C GOODIES P 0 BOX 192 NUYS CA91408 AIR213 764-1490FO 110 CAPITAL MODELS READY-TO-FLY 40 61 1Reg $15995SPAN SPECIAL $13995I $65OShipI Fully Built & Painted Controls Fuel Tank LG & Wheels installed Needs Ionly Engine Radio installationI 4 4Ce Reg $6950 SPECIAL $4995 POWER PACER R/C Battery Tester Charges & Cycles Tx & Rx batteries Locates bad cells & provides batt capacity readings cowTy TRAINER CRAFTAIR I57 ISPAN SHIP $650 Reg $4995 SPEC $3247 Kit available flatbottom semmsym Imetrical wing 2 4 Ch 19 40 Engine Calif add Sales Tax No CODs Brochure 60m US $170 Foreign 4 1/2% Surcharge VISA Visa Master Card November 1982 113 cam erty
Edition: Model Aviation - 1982/11
Page Numbers: 16, 17, 18, 20, 83, 84, 112, 113
ACCORDING TO THE PAPERS Frank Perdue once hated chickens Perdue feisty guy pushes chickens TV throwing classy bachelor dinners Cornish hens four telling us send hack other guys blackened bones note say ing Gentlemen bones Did eat chicken 01 Frank would make perfect modeler classic AMA activist too am fowl mood busted crate No oppressed Kadet Like unfortu nate airline takeoff mishaps crash textbook accident Perhaps youve noticed accidents involve bare minimum three contributing causes Model postmortems teach five years uneventful hacking around Cursory wakes field blame errant transmitters spooky signais failed batteries etc trash remains no accident investi gations fun lets see what accident anaiysis reveais Subject aircraft Five-year-old RC Special scaled-down version 1948 design pub ilshed September 1980 MA cabin con figuration tail-dragger flat-bottom airfoil 5 deg dibedral three channels no ailerons last powered ST 35 Weather 90 degrees high humidity vari able wind averaging 12-15 mph gusts 25 Gusty changing crosswind vectors 90 deg port starboard Location 50-miles-away visited club field 560-ft well-mowed grass strip unlimit ed approaches Airspace burn Aircraft log 131 flights fleet log same period 700-minus Initially powered K&B 19 Long runs delicate lift-offs sluggish rudder during run flight 22 Pattern flier unable spin until shown wiggling rudder nose-high produced entry stalling tip flight 23 temperature humidity matching later accident takeoff quartering out crosswind short strip visited field lift-off premature coupled severe rudder correction wind back runway line produced tip stall roll inverted cartwheel teasing out cabin major repair Flight 128 same site terminal accident Fast long power approach idled near thresh old slightly nose down fading away runway center line airplanes left Gen tle flare-out correction elevator simultane ous slight rudder correction heading ample airspeed plane abruptly rolled moderately toward pilot line heading cor rected now roughly 8-ft altitude required botb left right rudder maintain control too close pits hard rudder regain runway augered spin damage During 1980-1981 plane flown Davis Diesel-converted ST 35 bor rowed engine test bed expert pilot Radio change aging oil-soaked etc pro duced CG change rearward mid-I 982 com pensated nose ballastwing loading up 18 ounces flight Engine overheating unusual re setting high- low-speed throttle Taxied out long wait runway side Scale mod eler checked taxiing another aircraft Ex tremely ineffective muffler other aircraft own engine almost unheard Initial run accel erated normally up-control held momentarily 16 Model Aviation U jUSt fun Bill Winter Bill Winter left Col Bill Kaluf Fredericksburg before Bill pranged RC Special Flight 131 Youll want read accident analysis text find out Winters transmitter carries both blue-and-white brown-and-white frequency clip Bill Winter figures perfect answer cantilever-strut gear big models Its Gull-wing Stinson Fits fuselage slot removable model being built Les Putnam reported Fred Nielsen Realistic Models acquired production rights Stinson 150 Quarter Scale kit redesigned remove several pounds has made five kits Traced down Fred says gear intended below floor boards actually proiected under seats Bill Winters big Aristocrat real life too redesigned lighter extending above floor boards compression factor l3to 2 instead l3to 1 principle adaptable size weight plane Gear shown job craftsman having lathe Pictures Les Putnam show gear normal loaded modes Realistic Models has crawings does produce gear begin run relaxed tail rose slight down held build up speed Undue rudder correc tions required somewhat erratic ground path during later stages run true head ing wheels skimmed ground Slight downcon trol held avoid abrupt lift-off wind Gust switch starboard port right rip dropped approximately 15 degrees seemingly adequate airspeed ship off ground rudder unable prevent severe cartwheel Radio brown-and-white susceptible blue-and-white adjaccnt frequency antenna down Flew both color pins precaution Operable after crash First-line radio manufacturer stated totally desuned antenna down condition apparent before crash antenna xas always uptherefore nut factor suggest never operating pits antenna down es pecially taxiing Has gone high engine past antcnna down Tank Could emptied filled electric pump after crash turned brown age black neoprene clunk affected diesel fuel hence last-flight needle adjust ments Heavy corrections takeoff delay lift-offspeed did seem adequate Happily posing MA shot energetic 83-year-young Joe Ott soon-to-be kitted Golden Falcon perhaps Swallow Has unique features Flies well about 20 inverts does outsides takes off 15 ftlargely due Joes mix M-6 Eppler 205 St Cyr 52 airfoils St Cyr used Heath Parasol already fiddling mid-engine low-winger ex tension shaft Gosh what next November 1982 17 Classic RC models right hand picture Merlyn Welchs love L-R Goldberg Hanger 42 still around tine-grain toam goodiel Bill Winters Gramps AlAN Sterling Mini Mambo once rage 15-year-old Midwest Triquire another all-time favorite left Merlyn glory days 100-hp Kinner Fleet winter togs Merlyn going pick up downed pilot Clothes weighed did produced marginal loss power due lean run inadequate penetration wind control response gusts factor clearly primary cause sound obscured second aircrafts barking muffler Flight should have aborted Lack diligent tank maintenance obvious ones own field flier decides clearly whether fly according particular aircraft wind/weather travel sub conscious effort fly no matter condi tions poor obviously dangerous never must fly Bite bullet Three-channel planes flat-bottomed airfoils given higher wing power loadings inferior degree convex bottoms because center pressure forward movement witls increasing angles attack tending balloon Simultaneous appilcation rudder elevator related snap-roll maneuver Ailerons less dihedral safer far anyone has mastered basics cussed Kadet would have cartwlseeled aileron available takeff level wings witls crossed controls Rudder alone produces turn bank entry Conclusion always blame pilot pilot exercised poor judgment tanta mount pilot error Contributing causes model flying rationalizations con tributing factors must acted upon improved safety Fortunately walk away accidents thus learn thereby design Guest pilots like RC Spe cials coordinated smoothness also soars like mad left trimmed high circles engine killed has unexplained trait always turning automatically lift ad justing its own tum diameter match magazine plan three-view design follow-up given Because RC Special scale-down wing area less pro portion-area square function linear inch chord boost area reduce loading Convex undercamber reduce CP travel readily produces nose-ups ballooning flat-bottom mishandled trike gear simplify ground handling Less dihedral ailerons all-weather Continued page 20 SHORT DOWEL ENGAGES HOLE HOOK DOWEL 0 HOOK TYPICAL DUMMY SMALL BANDS HOLD FRONT OF WING TO POD BENEATH FUSE TAKE APART RUBBER CHAMBERMAID Lifes darkest moments rush things accidentally left out three items illustration should have printed last month No doubt scratched heads saw mention text illustration couldnt find Sorry about arebetter late never left sketch take-apart Rubber-Powered Chambermaid model devised 1 G Schmidt St Petersburg FL top right shot Jack Harens two Buccaneer B Specials separated 23 years foreground ancient Forster 29 spark-ignition job made two flights single-channel Aero-Trol rig escapement rudder control solenoid-timed engine shotoff Behind new Enya 15-powered MonoKoted job REM controls Now hes able launch fly land own Above right Smoker 40-size variation Phoenix theme designed kitted two members Mid-State RC Club Alexandria LA guys own glass work Thats Gus Volks model Might worthwhile reread October issue info 18 Model Aviation 049-051 Engines KitK-72495 Cal NIUS INC ACCUETACH 1 LCITAL ER 2E 3MoNITOR TACHOME us VOLTMET ate CHARGE tO getad-Determine ~jiCadMakes po5S3attery accurate RP1 th ru~argeofY0 jth-safelY peal1a~~ge bY out~eck hntpack ofl Select tinewatchifl9 0 jgflalS topend adJUSntbatteris ernost tXIR dual scale capabiliWlOXO 100X preCI teage drop tha full ~arge ty built withcombos Quail lectronics ORDER YOURS NOW 79PeaId Send check money order no CODs NortZal AVIONICS Inc PO Box 70956 Sunnyvale CA 94086 california residents add 60/0 tax Add $300 shipping outside continental USA Dealer inquiries invited knock-about sport plane good crosswind features desirable RC Special no washout No ever reported its need sport jobs spend lives right-side-up should have adequate washoutjust case Carve stone double-take Immediately after crash flier rescued under fly-tent blown down wind Whatever happened hand-held wind-strength gadgets Since tip-stall evidently high-speed stall wind shear likely rapid gusts add subtract airspeed differential 15 mph perhaps 20 ship flying second dead air next regardless normal attitude perceived Incidentally used rubberbands nylon bolts Id still have plane Bolts break air speed plane density construction high An open structure yields bolts break straight never cart wheel safety board chairman would advise fly fewer planes devote loving main tenance plane engine tank radio everything really right onand weather suit machine beyond previous experiencedont fly Ever Merlyn Welch Ten Mile Hobbies Hillsdale KS enjoys modelers letters writes can thanks Doc Mathews has chewing over old full-scale days Merlyn Kansas City Municipal M W checked pix gossip started building models 1927 first plane built believe out Boys Life Merlyn tells us own first model 1927 mag American Boy kit stick model 1/16 sq anything else Fifty cents plus post age never got fly still have Playboy Senior 1942 now restoration will put single-channel escapement radio should flip teary-eyed ancients Imagine escapement Retired six years Merlyn gets fun out treasured hobby spite handi caps cut heavily flying After heart attack gave up hand-launching eyes arent what should has no depth perception thinks must have another pilot land planes him lot us cant hit broadside barn Merlyn own case delayed reactions result poor perception Now no matter low get approach seem suddenly high over threshold and/or fading off strip far side diverging angle present time have four radio jobs go 25 planes CL RC well IT apparently needing cover ing two still kit boxes would like build Quarter Scale think thats little dreaming Quarter Scale can easy easier fly little jobs pick something appropriatethat means lots wing area simple boxy structures Sigs -scale Cub ideal bet tad smaller Top Flites 40-powered big Cub realistic fascinating fly Pattern-flying son leaves beloved bombs shop Merlyn sneak off hobby shop shelf have pilot help use help biggies guys big float ers cinch Try J-3 see note second crate left Merlyns Coorinued page 83 20 Model Aviation Rubber Power Gas Engines Free Flight RIC C/L Safety Preston Continued page 14 have stated previously column model flying has excellent safety record com pared other leisure pursuits would like see stay way urge take objective look current flying site frequently fly over someone elses property over spectators innocent bystand ers youanswer yes perhaps change op erating procedures needed suggest check letter AMA HQ offices AMAs attorney appeared recent issue MA Flier His/Her Neighbor October 1982 pp 86 89 deals overflying other peoples property AMA members consequences respect trespass appears trespass can occur merely invasion airspace above property owned others Its food thought wind up months column would like thank readers wrote us opinions weight limits Giant Models apologize responding personal letter spare time has very limited summer As write preparing leave Nats second trip CL Scale World Championships Kiev follows almost immediately Because latter trip will miss deadline December issue magazine Expect us back January issue Meanwhile please fly safely John Preston 7012 Elvira Ct Falls Church VA 22042 Fun/Winter Continued page 20 plc writers Gramps 6-ft rudder job stunted Veco 19 escapement rudder-only no throttlewas pub lished MAN during 50s Guys search RC oldies will find fine flier three servos Schnuerle 25 plainbearing non-Schnuerle 29-35 sitting box Letters will reach Merlyn H Welch PO Box 86 Hilsdale KS 66036 has dreamed having own fly ing field freedom fly anytime just walking out back door once such place could hand-launch big early-day RCs quiet ings put up 5/2A Free Flight Rubber Fuse lage job sheet-balsa ROG Swarms twittering barn swallows would dart around silently gliding crates cool evening never hooked strong ther mal didnt bother DTs Faint lift sometimes kept stick-and-tissue birds circling forever seemed So has won der Free Flight such all-or-nothing thing innocent low-key pleasure bru tally wrung out dont need milelong field During SOs Long Island joined Johnny ZaIc Pete Andrews Val Luce Curtiss Field already haif-fuli housing sweated over cranky RC guys put up dozens flights early morn sundown High-performance 1/2As then-new 10% airfoil like Frank Eblings Phoenix put out Jetco sharp leading edges Never did ship leave field used short engine runs dethermal ized few seconds after models trans Specifications 735 Inch Wing Span 1000 Sq Wing Area 56 Inch Length 90 170 Lbs 61 Engine Gear Drive 9050 Engine Straight Drive 4 Channel Radio Required ** Look Next Kit P-58104 Span ** Price $22995 plus shipping Kit Endorsed Leo Loudenstager World erobatic Ctampios Mallory Models PO Box 207 Falls Church VA 22046 703 360-5424 Ann Bill Hinnant Kit Includes Epoxy Glass Fuselage Two Alum Spars 6061 T6 Spar Locations Molded Fuselage Two Piece Foam Wing Spar Locations Cut Out Foam Wing Alignment Tubes Spars Wing Molded Hatch Bottom Fuselage 1 Piece Alum 6061T6 Landing Gear Epoxy Glass Wheel Pants New Tail Design Tinted Canopy Scale Decals Full Size Scale Drawings Flying Wires Three View Drawing November 1982 83 Tatone Makes Easy joe osxo &Laser uu Scale Masters 1982 Mallory Models QUARTER SCALE LASER 200 Sport Scale AMA Scale Pattern Fun Fly NORTHERN CALIFORNIAS LARGEST DISCOUNT HOBBY SHOPI I well FUELyou New high film strength lubricant1 increased power engine lifeI Hinhst cualily inaredients action varnish II II II II II II II II II IFV1SAI IHOURS Monday thru Wednesday 930-630 Thursday & Friday 93U-8OUU Saturday 930-600Sunday 1200-500J mm m m m itioned glide circles Guys still After happening recent early morning another grassy slope passed still evening strikes us hap piness bushel basket full random smallfield Free Flights come Sigs catalog always contains dozens FFsGllders Rub ber Gas Manufacturers arent philanthropists beauty FF 02 049 can sketch nifty sport job configuration choosesand within few days go have fun Which brings up exciting designers gifted maga zine contributors ever knew Keith Lao mer miss seeing imaginative 195 Os early 1960s layouts just know people would still enjoy stuff llke magazines what can cannot have magazine substantial adver tising can have TV out detergents shampoo RC does pay way Thats way world costs fortune produce monthly copy mag rather firing off testy letters some editor caught between rock hard place help yourself Design some thing cant aint worth fighting yes know about kids no mag world help Hurst Bowers just licked five-bypass present Laumer cuties thumbnall-sketched Herb Clukey Mags issues possible given Magazines probably dont still have full-size plans although Flying Models has long list Lord knows Aero Modeller England has list available plans going back Punic Wars Dave Shipton Hobby Hideaway among others Repla-Tech too think has Aero Modeller plans can always write involved editorsgiving issues possible ask Xerox copy plan itself should cost buck Iwo MA doesnt have Laumers plans since started its present form 1975 after Laumer era believe Midwest still has immortal Sniffer youd want small Its cinch too make yourself profile pylon insetting laminated pylon using con ventional spar-edged wingsor perhaps just cambered sheet balsa thin dowel lead ing edge big thing avoid long runsengines run longer prop unloads An exter nal eyedropper tank works well one-third above needle valve two-thirds below consistent run Time run fill dropper i marked leveL coil trans parent fuel tubing also makes good tank tached flat against fuselage side en gine has tank mount reduce capacity putting space-taking objects inside have build such model send pic tures can say Ah say youd like big RC job dont want risk Scale mess months fittings detail dont want big engine Well can always go Tele master require kit Kalufs fly visit Fredericksburg have Senior Telemaster carries sidelooking camera flaps fly time flaps slightly down during entire flight flies majestically easily way Since down-flap increases washout works against tip-stall can land slow ly safely wind fact Continued page 112 84 Model Aviation Winning Ideas FOURMOST FUEL MANIFOLD seRvo 0FUEL LINE FUEL SHUT OFFSma Fue Fitting Set Manifold Provides ConvenientCan Used Control FuelS zeI DPRICE $1 50 Method Tank Filling Draining andFlow Starting1 Tee 2 Elbows 1 Pen Bladder Tee PrimingPositive Airborn Shutoff % IDPRICE $125PRICE $420 i5 AND t ODSTRUT FAIRINGS Comes two 23 Lengths Two Sizes coanwig% ID / ID/\LageFue Pttng Set /7Sze% IDPRICE$200 Packaged 2 Ft s zePRICEI Tee 1 E bow 1 Un 1 Plug PRICE $2502 lengths either size $270BobuadeFom Foe Faa Po ye 0y en Send SASE Complete Information Fuuvu~i 4040 24th Ave Forest Grove OR 97116 PRODUCTS Phone 503 357-2732 hEw PONYBLIMP NOIiRU6ID AIRSHIP PRACTICAL SIZE can Lift 28 Oc Uae Standard Radian 13 4 CIanaell Reqairns 80 Cabic Ft af Helium IHeliam Anallable welding Supply Shapn FUU CONTROL Modern Thnnt-Anredynunic Central Fareuard Haner Backward Elevation Tan Baltact Helian Rnlnenn COMPLETE El Fanned Planec Din-Cot Balsa end Plywaad Panta Mounting Hardware S249OO Wire Piage Switchen Baak Eaplain ing Blimap Operutian Detailed Plana Phaton Canpletely Fabri cated Vinyl Helian Ennelape Electrrc Motors Radio snd Batteries NOW YOU CAN FLY YOUR OWNNot Included ELECTRIC POWERED BLIMPCOMPLETE CATALOG $100 DL8*JaAaAaePO BOX 2498 -MA LA MESA CALIF 92041 WmRUVfyUUGPHONE 714 489-8675 714 442-4636 Fun/Winter Continued page 84 doing sweat cracked up RC Special ailerons remember Falcons Kadets etc world oyster chance fly half-up Kadet II field concocted Jerry Johnson help Charlie Rec tor Now wenve never flown heavy real air craft somewhat sluggish controls Fox Eagle-powered Kadet Kapitan use aileron stick like guy Hollywood movie rolling wheel back forth no real-plane feel fast ship instantaneous response have fly crate anticipate amazing feeling real aircraft comes through Its slow-motion boys used less dihedral standard Kadet multi-spar non-D-tube no sheeting Hoerner-type roiled tips Styrofoambut inverted point upwards certainly did no harm big deal cratedubbed Big Mother fellow flierscost $30 uncov ered made foam-core board construction-grade spruce spars etc sawed strips 2 x 4 Exposed edges foam board sealed 3/16-in-plus strips Firewall 3/8 ply cabin bulkheads tmA ply suggest Lite Ply Ribs foamcore board pars other sizes cap-stripped 1/16 thck balsa Covering polyester cloth fabric shop center section reinforced 6-inwide glass cloth Wings have five coats clear Hinges homemade versions Evans X-Hinge iron place Strips 1-in Coverite laid down center adhesive sides facing Cowl epoxy-molded glass cloth over form Final finish Rustoleum seems fuel-proof does take long time set up over epoxy 88-in span chord 16 mutant Kadet has 10 sq ft area Weightincluding 1 lb ballastis 11 lb giv ing loading 175 oz very light big airplane Its KPS-9 servos big slow have adequate power wing center operates barn-door ailerons 3/8-in dowel pushrod ditto elevator Rudder con trolled fishing leader cablesquite positive Stab fin arc braced 1/16-tn wire Big Mother has survived two crashes would have done conventionally-con structed craft Damage broken prop 12-6 Top Elite Super M sec ond cartwheel bent tail bit broke tail brace What about power Since li-lb 88-in biggie does well old-model Fox Eagle 60 half-up Falcon 84 would fly re alistically hot 40 light would much inferior acrobatics Senior Falcon 60 Alas some guys will want use piped 90sand goes realism Senior Falcon 98 being clean slippery airfoil should weigh too much either scalelike hot 60 aerobatic enough please anyone 90 much can done nicely around 40s 60s dont build heavy have 96-in low-wing lightweight equates 2-Meter 10 perhaps between 049 10 2-Meters nose Takeoffs tail grass 4-in Wil liams wheels arc surprisingly easy An Air tronics Q-Tee two three times up would pretty picture get idea fun taking become collector Keith Russell began building models age 10 now 16 flying Sig Komrnander has gem Several years ago father modeler well gone take trash landfill recounts operator fills over trash dirt using bull dozer backed car active area began toss Out junk realized throwing top dozens air plane kits As bulldozer roared closer frantically loaded car instead emptying got home can imagine mother less enthusiastic how11 2 Model Aviation Meet Kadet Kapitan bUa-uP Sig Kadet old Fox Eagle Cooked up Charlie Rec tor looking youl Jerry Johnson made foam-core board spruce built-up wingfor total airframe cost $30 including polyester cloth covering Kaluf pic What doing winter prospect long cold winter has got down let OrLine R/C kit take chill off OrLines classic World War biplanes favorite winter building project novice expert alike new Y4 scale Fairchild 22 sure provide plenty excitement its gr8ceful lines begin take shape workbench can bring back romance Immelmanns dogfights winter long two airplanes will never go out style Sopwith Pup Fokker DVII something winter Warm up OrLine Fairchild 22 Sopwith Pup Fokker DVII Wing span 98 Wing span 67/2 span 72 Wing area 1617 sq inWing area 1586 sq inWing area 1480 sq Power 2 cu Quadra r 60 90 r 60 90 $18950 $11950 $11950 ci Wi ke Cr OrLine Radio Controlled Aircraft Mfrs ox 12501 Salem Oregon 97309 phone 503 362-1606 ever saved over three dozen Joe Ott kits kits included mahogany card board sheet parts WW II shortages bass wood strips tissue glue kits may have dated 1940-1 944 built sold several Americas Hobby Center Still have eight hand Wild cat Mustang Spitfire Brewster Dauntless Stuka etc boxes area bit tattered cant swear glue good Super Jet old-timer fans inter ested would part couple would happy donate couple AMA Museum heavens sakeguys dont write ol Bill Keiths address Box 135 Division St RD No 2 Galway NY 12074 doubt hell able answer everyone wheres sporting blood Correction recent column spoke flying Cessna 120 flaps own ers pilots chide us politely 140 Both basically similar al though electrics other stuff improved 140 flaps added remember having two bad mags 120 cross-country buy elec tric bit confused numbers having also flown four-place 170which flies bet ter its trike descendantswhich assumed 140 Memory plays tricks also slight time no takeoffs land ings both immortal Airmaster prewar vintage 195 impressive hunk machinery AU friendly critics agree flaps 140 did next nothing Bob Benjamins search authentic Aeronca K plans Ive swamped ad vicedo know Bob Lopshire Bob Karlsson has local use real plane nearby too Karlsson noted Scale man meet him contest might beg him bended knees Bill Winter 4426 Altura t Fairfax VA 22030 Laser Model/Shepherd Continued page 30 shown side view Pin top sides place formers F3A F5A Slip former F-4 place eyeball top see square straight glue sides formers Glue /32 sheet F-4 forward cockpit floor Glue Vs x longerons F-4 F-S Glue F5B place Glue TSF side fairings place Glue -in side sheets F-4 F5A Remove cabin section glue -in dou blers inside side sheets between F-4 F5A op longerons Glue -in sheetovertheturtledeck7/g-in behindformerF-5 Glue tab -in top sheet 2-in forward block over fuel tank Glue -in sheet over cabin section Mark center forward rear -in blocks 5bin section drill us-in holes marks dowels Cut dowels length Hot Stuff top blocks Place cabin section back wing Pin down drill holes 4-40 FR bolts through middle dowels Remove cabin section install 4-40 blind nuts under ply tabs Taper top holes dowels screw cabin section Cut former F-i Ply Mark center Continued page 116 II ~R/C GOODIES P 0 BOX 192 NUYS CA91408 AIR213 764-1490FO 110 CAPITAL MODELS READY-TO-FLY 40 61 1Reg $15995SPAN SPECIAL $13995I $65OShipI Fully Built & Painted Controls Fuel Tank LG & Wheels installed Needs Ionly Engine Radio installationI 4 4Ce Reg $6950 SPECIAL $4995 POWER PACER R/C Battery Tester Charges & Cycles Tx & Rx batteries Locates bad cells & provides batt capacity readings cowTy TRAINER CRAFTAIR I57 ISPAN SHIP $650 Reg $4995 SPEC $3247 Kit available flatbottom semmsym Imetrical wing 2 4 Ch 19 40 Engine Calif add Sales Tax No CODs Brochure 60m US $170 Foreign 4 1/2% Surcharge VISA Visa Master Card November 1982 113 cam erty
Edition: Model Aviation - 1982/11
Page Numbers: 16, 17, 18, 20, 83, 84, 112, 113
ACCORDING TO THE PAPERS Frank Perdue once hated chickens Perdue feisty guy pushes chickens TV throwing classy bachelor dinners Cornish hens four telling us send hack other guys blackened bones note say ing Gentlemen bones Did eat chicken 01 Frank would make perfect modeler classic AMA activist too am fowl mood busted crate No oppressed Kadet Like unfortu nate airline takeoff mishaps crash textbook accident Perhaps youve noticed accidents involve bare minimum three contributing causes Model postmortems teach five years uneventful hacking around Cursory wakes field blame errant transmitters spooky signais failed batteries etc trash remains no accident investi gations fun lets see what accident anaiysis reveais Subject aircraft Five-year-old RC Special scaled-down version 1948 design pub ilshed September 1980 MA cabin con figuration tail-dragger flat-bottom airfoil 5 deg dibedral three channels no ailerons last powered ST 35 Weather 90 degrees high humidity vari able wind averaging 12-15 mph gusts 25 Gusty changing crosswind vectors 90 deg port starboard Location 50-miles-away visited club field 560-ft well-mowed grass strip unlimit ed approaches Airspace burn Aircraft log 131 flights fleet log same period 700-minus Initially powered K&B 19 Long runs delicate lift-offs sluggish rudder during run flight 22 Pattern flier unable spin until shown wiggling rudder nose-high produced entry stalling tip flight 23 temperature humidity matching later accident takeoff quartering out crosswind short strip visited field lift-off premature coupled severe rudder correction wind back runway line produced tip stall roll inverted cartwheel teasing out cabin major repair Flight 128 same site terminal accident Fast long power approach idled near thresh old slightly nose down fading away runway center line airplanes left Gen tle flare-out correction elevator simultane ous slight rudder correction heading ample airspeed plane abruptly rolled moderately toward pilot line heading cor rected now roughly 8-ft altitude required botb left right rudder maintain control too close pits hard rudder regain runway augered spin damage During 1980-1981 plane flown Davis Diesel-converted ST 35 bor rowed engine test bed expert pilot Radio change aging oil-soaked etc pro duced CG change rearward mid-I 982 com pensated nose ballastwing loading up 18 ounces flight Engine overheating unusual re setting high- low-speed throttle Taxied out long wait runway side Scale mod eler checked taxiing another aircraft Ex tremely ineffective muffler other aircraft own engine almost unheard Initial run accel erated normally up-control held momentarily 16 Model Aviation U jUSt fun Bill Winter Bill Winter left Col Bill Kaluf Fredericksburg before Bill pranged RC Special Flight 131 Youll want read accident analysis text find out Winters transmitter carries both blue-and-white brown-and-white frequency clip Bill Winter figures perfect answer cantilever-strut gear big models Its Gull-wing Stinson Fits fuselage slot removable model being built Les Putnam reported Fred Nielsen Realistic Models acquired production rights Stinson 150 Quarter Scale kit redesigned remove several pounds has made five kits Traced down Fred says gear intended below floor boards actually proiected under seats Bill Winters big Aristocrat real life too redesigned lighter extending above floor boards compression factor l3to 2 instead l3to 1 principle adaptable size weight plane Gear shown job craftsman having lathe Pictures Les Putnam show gear normal loaded modes Realistic Models has crawings does produce gear begin run relaxed tail rose slight down held build up speed Undue rudder correc tions required somewhat erratic ground path during later stages run true head ing wheels skimmed ground Slight downcon trol held avoid abrupt lift-off wind Gust switch starboard port right rip dropped approximately 15 degrees seemingly adequate airspeed ship off ground rudder unable prevent severe cartwheel Radio brown-and-white susceptible blue-and-white adjaccnt frequency antenna down Flew both color pins precaution Operable after crash First-line radio manufacturer stated totally desuned antenna down condition apparent before crash antenna xas always uptherefore nut factor suggest never operating pits antenna down es pecially taxiing Has gone high engine past antcnna down Tank Could emptied filled electric pump after crash turned brown age black neoprene clunk affected diesel fuel hence last-flight needle adjust ments Heavy corrections takeoff delay lift-offspeed did seem adequate Happily posing MA shot energetic 83-year-young Joe Ott soon-to-be kitted Golden Falcon perhaps Swallow Has unique features Flies well about 20 inverts does outsides takes off 15 ftlargely due Joes mix M-6 Eppler 205 St Cyr 52 airfoils St Cyr used Heath Parasol already fiddling mid-engine low-winger ex tension shaft Gosh what next November 1982 17 Classic RC models right hand picture Merlyn Welchs love L-R Goldberg Hanger 42 still around tine-grain toam goodiel Bill Winters Gramps AlAN Sterling Mini Mambo once rage 15-year-old Midwest Triquire another all-time favorite left Merlyn glory days 100-hp Kinner Fleet winter togs Merlyn going pick up downed pilot Clothes weighed did produced marginal loss power due lean run inadequate penetration wind control response gusts factor clearly primary cause sound obscured second aircrafts barking muffler Flight should have aborted Lack diligent tank maintenance obvious ones own field flier decides clearly whether fly according particular aircraft wind/weather travel sub conscious effort fly no matter condi tions poor obviously dangerous never must fly Bite bullet Three-channel planes flat-bottomed airfoils given higher wing power loadings inferior degree convex bottoms because center pressure forward movement witls increasing angles attack tending balloon Simultaneous appilcation rudder elevator related snap-roll maneuver Ailerons less dihedral safer far anyone has mastered basics cussed Kadet would have cartwlseeled aileron available takeff level wings witls crossed controls Rudder alone produces turn bank entry Conclusion always blame pilot pilot exercised poor judgment tanta mount pilot error Contributing causes model flying rationalizations con tributing factors must acted upon improved safety Fortunately walk away accidents thus learn thereby design Guest pilots like RC Spe cials coordinated smoothness also soars like mad left trimmed high circles engine killed has unexplained trait always turning automatically lift ad justing its own tum diameter match magazine plan three-view design follow-up given Because RC Special scale-down wing area less pro portion-area square function linear inch chord boost area reduce loading Convex undercamber reduce CP travel readily produces nose-ups ballooning flat-bottom mishandled trike gear simplify ground handling Less dihedral ailerons all-weather Continued page 20 SHORT DOWEL ENGAGES HOLE HOOK DOWEL 0 HOOK TYPICAL DUMMY SMALL BANDS HOLD FRONT OF WING TO POD BENEATH FUSE TAKE APART RUBBER CHAMBERMAID Lifes darkest moments rush things accidentally left out three items illustration should have printed last month No doubt scratched heads saw mention text illustration couldnt find Sorry about arebetter late never left sketch take-apart Rubber-Powered Chambermaid model devised 1 G Schmidt St Petersburg FL top right shot Jack Harens two Buccaneer B Specials separated 23 years foreground ancient Forster 29 spark-ignition job made two flights single-channel Aero-Trol rig escapement rudder control solenoid-timed engine shotoff Behind new Enya 15-powered MonoKoted job REM controls Now hes able launch fly land own Above right Smoker 40-size variation Phoenix theme designed kitted two members Mid-State RC Club Alexandria LA guys own glass work Thats Gus Volks model Might worthwhile reread October issue info 18 Model Aviation 049-051 Engines KitK-72495 Cal NIUS INC ACCUETACH 1 LCITAL ER 2E 3MoNITOR TACHOME us VOLTMET ate CHARGE tO getad-Determine ~jiCadMakes po5S3attery accurate RP1 th ru~argeofY0 jth-safelY peal1a~~ge bY out~eck hntpack ofl Select tinewatchifl9 0 jgflalS topend adJUSntbatteris ernost tXIR dual scale capabiliWlOXO 100X preCI teage drop tha full ~arge ty built withcombos Quail lectronics ORDER YOURS NOW 79PeaId Send check money order no CODs NortZal AVIONICS Inc PO Box 70956 Sunnyvale CA 94086 california residents add 60/0 tax Add $300 shipping outside continental USA Dealer inquiries invited knock-about sport plane good crosswind features desirable RC Special no washout No ever reported its need sport jobs spend lives right-side-up should have adequate washoutjust case Carve stone double-take Immediately after crash flier rescued under fly-tent blown down wind Whatever happened hand-held wind-strength gadgets Since tip-stall evidently high-speed stall wind shear likely rapid gusts add subtract airspeed differential 15 mph perhaps 20 ship flying second dead air next regardless normal attitude perceived Incidentally used rubberbands nylon bolts Id still have plane Bolts break air speed plane density construction high An open structure yields bolts break straight never cart wheel safety board chairman would advise fly fewer planes devote loving main tenance plane engine tank radio everything really right onand weather suit machine beyond previous experiencedont fly Ever Merlyn Welch Ten Mile Hobbies Hillsdale KS enjoys modelers letters writes can thanks Doc Mathews has chewing over old full-scale days Merlyn Kansas City Municipal M W checked pix gossip started building models 1927 first plane built believe out Boys Life Merlyn tells us own first model 1927 mag American Boy kit stick model 1/16 sq anything else Fifty cents plus post age never got fly still have Playboy Senior 1942 now restoration will put single-channel escapement radio should flip teary-eyed ancients Imagine escapement Retired six years Merlyn gets fun out treasured hobby spite handi caps cut heavily flying After heart attack gave up hand-launching eyes arent what should has no depth perception thinks must have another pilot land planes him lot us cant hit broadside barn Merlyn own case delayed reactions result poor perception Now no matter low get approach seem suddenly high over threshold and/or fading off strip far side diverging angle present time have four radio jobs go 25 planes CL RC well IT apparently needing cover ing two still kit boxes would like build Quarter Scale think thats little dreaming Quarter Scale can easy easier fly little jobs pick something appropriatethat means lots wing area simple boxy structures Sigs -scale Cub ideal bet tad smaller Top Flites 40-powered big Cub realistic fascinating fly Pattern-flying son leaves beloved bombs shop Merlyn sneak off hobby shop shelf have pilot help use help biggies guys big float ers cinch Try J-3 see note second crate left Merlyns Coorinued page 83 20 Model Aviation Rubber Power Gas Engines Free Flight RIC C/L Safety Preston Continued page 14 have stated previously column model flying has excellent safety record com pared other leisure pursuits would like see stay way urge take objective look current flying site frequently fly over someone elses property over spectators innocent bystand ers youanswer yes perhaps change op erating procedures needed suggest check letter AMA HQ offices AMAs attorney appeared recent issue MA Flier His/Her Neighbor October 1982 pp 86 89 deals overflying other peoples property AMA members consequences respect trespass appears trespass can occur merely invasion airspace above property owned others Its food thought wind up months column would like thank readers wrote us opinions weight limits Giant Models apologize responding personal letter spare time has very limited summer As write preparing leave Nats second trip CL Scale World Championships Kiev follows almost immediately Because latter trip will miss deadline December issue magazine Expect us back January issue Meanwhile please fly safely John Preston 7012 Elvira Ct Falls Church VA 22042 Fun/Winter Continued page 20 plc writers Gramps 6-ft rudder job stunted Veco 19 escapement rudder-only no throttlewas pub lished MAN during 50s Guys search RC oldies will find fine flier three servos Schnuerle 25 plainbearing non-Schnuerle 29-35 sitting box Letters will reach Merlyn H Welch PO Box 86 Hilsdale KS 66036 has dreamed having own fly ing field freedom fly anytime just walking out back door once such place could hand-launch big early-day RCs quiet ings put up 5/2A Free Flight Rubber Fuse lage job sheet-balsa ROG Swarms twittering barn swallows would dart around silently gliding crates cool evening never hooked strong ther mal didnt bother DTs Faint lift sometimes kept stick-and-tissue birds circling forever seemed So has won der Free Flight such all-or-nothing thing innocent low-key pleasure bru tally wrung out dont need milelong field During SOs Long Island joined Johnny ZaIc Pete Andrews Val Luce Curtiss Field already haif-fuli housing sweated over cranky RC guys put up dozens flights early morn sundown High-performance 1/2As then-new 10% airfoil like Frank Eblings Phoenix put out Jetco sharp leading edges Never did ship leave field used short engine runs dethermal ized few seconds after models trans Specifications 735 Inch Wing Span 1000 Sq Wing Area 56 Inch Length 90 170 Lbs 61 Engine Gear Drive 9050 Engine Straight Drive 4 Channel Radio Required ** Look Next Kit P-58104 Span ** Price $22995 plus shipping Kit Endorsed Leo Loudenstager World erobatic Ctampios Mallory Models PO Box 207 Falls Church VA 22046 703 360-5424 Ann Bill Hinnant Kit Includes Epoxy Glass Fuselage Two Alum Spars 6061 T6 Spar Locations Molded Fuselage Two Piece Foam Wing Spar Locations Cut Out Foam Wing Alignment Tubes Spars Wing Molded Hatch Bottom Fuselage 1 Piece Alum 6061T6 Landing Gear Epoxy Glass Wheel Pants New Tail Design Tinted Canopy Scale Decals Full Size Scale Drawings Flying Wires Three View Drawing November 1982 83 Tatone Makes Easy joe osxo &Laser uu Scale Masters 1982 Mallory Models QUARTER SCALE LASER 200 Sport Scale AMA Scale Pattern Fun Fly NORTHERN CALIFORNIAS LARGEST DISCOUNT HOBBY SHOPI I well FUELyou New high film strength lubricant1 increased power engine lifeI Hinhst cualily inaredients action varnish II II II II II II II II II IFV1SAI IHOURS Monday thru Wednesday 930-630 Thursday & Friday 93U-8OUU Saturday 930-600Sunday 1200-500J mm m m m itioned glide circles Guys still After happening recent early morning another grassy slope passed still evening strikes us hap piness bushel basket full random smallfield Free Flights come Sigs catalog always contains dozens FFsGllders Rub ber Gas Manufacturers arent philanthropists beauty FF 02 049 can sketch nifty sport job configuration choosesand within few days go have fun Which brings up exciting designers gifted maga zine contributors ever knew Keith Lao mer miss seeing imaginative 195 Os early 1960s layouts just know people would still enjoy stuff llke magazines what can cannot have magazine substantial adver tising can have TV out detergents shampoo RC does pay way Thats way world costs fortune produce monthly copy mag rather firing off testy letters some editor caught between rock hard place help yourself Design some thing cant aint worth fighting yes know about kids no mag world help Hurst Bowers just licked five-bypass present Laumer cuties thumbnall-sketched Herb Clukey Mags issues possible given Magazines probably dont still have full-size plans although Flying Models has long list Lord knows Aero Modeller England has list available plans going back Punic Wars Dave Shipton Hobby Hideaway among others Repla-Tech too think has Aero Modeller plans can always write involved editorsgiving issues possible ask Xerox copy plan itself should cost buck Iwo MA doesnt have Laumers plans since started its present form 1975 after Laumer era believe Midwest still has immortal Sniffer youd want small Its cinch too make yourself profile pylon insetting laminated pylon using con ventional spar-edged wingsor perhaps just cambered sheet balsa thin dowel lead ing edge big thing avoid long runsengines run longer prop unloads An exter nal eyedropper tank works well one-third above needle valve two-thirds below consistent run Time run fill dropper i marked leveL coil trans parent fuel tubing also makes good tank tached flat against fuselage side en gine has tank mount reduce capacity putting space-taking objects inside have build such model send pic tures can say Ah say youd like big RC job dont want risk Scale mess months fittings detail dont want big engine Well can always go Tele master require kit Kalufs fly visit Fredericksburg have Senior Telemaster carries sidelooking camera flaps fly time flaps slightly down during entire flight flies majestically easily way Since down-flap increases washout works against tip-stall can land slow ly safely wind fact Continued page 112 84 Model Aviation Winning Ideas FOURMOST FUEL MANIFOLD seRvo 0FUEL LINE FUEL SHUT OFFSma Fue Fitting Set Manifold Provides ConvenientCan Used Control FuelS zeI DPRICE $1 50 Method Tank Filling Draining andFlow Starting1 Tee 2 Elbows 1 Pen Bladder Tee PrimingPositive Airborn Shutoff % IDPRICE $125PRICE $420 i5 AND t ODSTRUT FAIRINGS Comes two 23 Lengths Two Sizes coanwig% ID / ID/\LageFue Pttng Set /7Sze% IDPRICE$200 Packaged 2 Ft s zePRICEI Tee 1 E bow 1 Un 1 Plug PRICE $2502 lengths either size $270BobuadeFom Foe Faa Po ye 0y en Send SASE Complete Information Fuuvu~i 4040 24th Ave Forest Grove OR 97116 PRODUCTS Phone 503 357-2732 hEw PONYBLIMP NOIiRU6ID AIRSHIP PRACTICAL SIZE can Lift 28 Oc Uae Standard Radian 13 4 CIanaell Reqairns 80 Cabic Ft af Helium IHeliam Anallable welding Supply Shapn FUU CONTROL Modern Thnnt-Anredynunic Central Fareuard Haner Backward Elevation Tan Baltact Helian Rnlnenn COMPLETE El Fanned Planec Din-Cot Balsa end Plywaad Panta Mounting Hardware S249OO Wire Piage Switchen Baak Eaplain ing Blimap Operutian Detailed Plana Phaton Canpletely Fabri cated Vinyl Helian Ennelape Electrrc Motors Radio snd Batteries NOW YOU CAN FLY YOUR OWNNot Included ELECTRIC POWERED BLIMPCOMPLETE CATALOG $100 DL8*JaAaAaePO BOX 2498 -MA LA MESA CALIF 92041 WmRUVfyUUGPHONE 714 489-8675 714 442-4636 Fun/Winter Continued page 84 doing sweat cracked up RC Special ailerons remember Falcons Kadets etc world oyster chance fly half-up Kadet II field concocted Jerry Johnson help Charlie Rec tor Now wenve never flown heavy real air craft somewhat sluggish controls Fox Eagle-powered Kadet Kapitan use aileron stick like guy Hollywood movie rolling wheel back forth no real-plane feel fast ship instantaneous response have fly crate anticipate amazing feeling real aircraft comes through Its slow-motion boys used less dihedral standard Kadet multi-spar non-D-tube no sheeting Hoerner-type roiled tips Styrofoambut inverted point upwards certainly did no harm big deal cratedubbed Big Mother fellow flierscost $30 uncov ered made foam-core board construction-grade spruce spars etc sawed strips 2 x 4 Exposed edges foam board sealed 3/16-in-plus strips Firewall 3/8 ply cabin bulkheads tmA ply suggest Lite Ply Ribs foamcore board pars other sizes cap-stripped 1/16 thck balsa Covering polyester cloth fabric shop center section reinforced 6-inwide glass cloth Wings have five coats clear Hinges homemade versions Evans X-Hinge iron place Strips 1-in Coverite laid down center adhesive sides facing Cowl epoxy-molded glass cloth over form Final finish Rustoleum seems fuel-proof does take long time set up over epoxy 88-in span chord 16 mutant Kadet has 10 sq ft area Weightincluding 1 lb ballastis 11 lb giv ing loading 175 oz very light big airplane Its KPS-9 servos big slow have adequate power wing center operates barn-door ailerons 3/8-in dowel pushrod ditto elevator Rudder con trolled fishing leader cablesquite positive Stab fin arc braced 1/16-tn wire Big Mother has survived two crashes would have done conventionally-con structed craft Damage broken prop 12-6 Top Elite Super M sec ond cartwheel bent tail bit broke tail brace What about power Since li-lb 88-in biggie does well old-model Fox Eagle 60 half-up Falcon 84 would fly re alistically hot 40 light would much inferior acrobatics Senior Falcon 60 Alas some guys will want use piped 90sand goes realism Senior Falcon 98 being clean slippery airfoil should weigh too much either scalelike hot 60 aerobatic enough please anyone 90 much can done nicely around 40s 60s dont build heavy have 96-in low-wing lightweight equates 2-Meter 10 perhaps between 049 10 2-Meters nose Takeoffs tail grass 4-in Wil liams wheels arc surprisingly easy An Air tronics Q-Tee two three times up would pretty picture get idea fun taking become collector Keith Russell began building models age 10 now 16 flying Sig Komrnander has gem Several years ago father modeler well gone take trash landfill recounts operator fills over trash dirt using bull dozer backed car active area began toss Out junk realized throwing top dozens air plane kits As bulldozer roared closer frantically loaded car instead emptying got home can imagine mother less enthusiastic how11 2 Model Aviation Meet Kadet Kapitan bUa-uP Sig Kadet old Fox Eagle Cooked up Charlie Rec tor looking youl Jerry Johnson made foam-core board spruce built-up wingfor total airframe cost $30 including polyester cloth covering Kaluf pic What doing winter prospect long cold winter has got down let OrLine R/C kit take chill off OrLines classic World War biplanes favorite winter building project novice expert alike new Y4 scale Fairchild 22 sure provide plenty excitement its gr8ceful lines begin take shape workbench can bring back romance Immelmanns dogfights winter long two airplanes will never go out style Sopwith Pup Fokker DVII something winter Warm up OrLine Fairchild 22 Sopwith Pup Fokker DVII Wing span 98 Wing span 67/2 span 72 Wing area 1617 sq inWing area 1586 sq inWing area 1480 sq Power 2 cu Quadra r 60 90 r 60 90 $18950 $11950 $11950 ci Wi ke Cr OrLine Radio Controlled Aircraft Mfrs ox 12501 Salem Oregon 97309 phone 503 362-1606 ever saved over three dozen Joe Ott kits kits included mahogany card board sheet parts WW II shortages bass wood strips tissue glue kits may have dated 1940-1 944 built sold several Americas Hobby Center Still have eight hand Wild cat Mustang Spitfire Brewster Dauntless Stuka etc boxes area bit tattered cant swear glue good Super Jet old-timer fans inter ested would part couple would happy donate couple AMA Museum heavens sakeguys dont write ol Bill Keiths address Box 135 Division St RD No 2 Galway NY 12074 doubt hell able answer everyone wheres sporting blood Correction recent column spoke flying Cessna 120 flaps own ers pilots chide us politely 140 Both basically similar al though electrics other stuff improved 140 flaps added remember having two bad mags 120 cross-country buy elec tric bit confused numbers having also flown four-place 170which flies bet ter its trike descendantswhich assumed 140 Memory plays tricks also slight time no takeoffs land ings both immortal Airmaster prewar vintage 195 impressive hunk machinery AU friendly critics agree flaps 140 did next nothing Bob Benjamins search authentic Aeronca K plans Ive swamped ad vicedo know Bob Lopshire Bob Karlsson has local use real plane nearby too Karlsson noted Scale man meet him contest might beg him bended knees Bill Winter 4426 Altura t Fairfax VA 22030 Laser Model/Shepherd Continued page 30 shown side view Pin top sides place formers F3A F5A Slip former F-4 place eyeball top see square straight glue sides formers Glue /32 sheet F-4 forward cockpit floor Glue Vs x longerons F-4 F-S Glue F5B place Glue TSF side fairings place Glue -in side sheets F-4 F5A Remove cabin section glue -in dou blers inside side sheets between F-4 F5A op longerons Glue -in sheetovertheturtledeck7/g-in behindformerF-5 Glue tab -in top sheet 2-in forward block over fuel tank Glue -in sheet over cabin section Mark center forward rear -in blocks 5bin section drill us-in holes marks dowels Cut dowels length Hot Stuff top blocks Place cabin section back wing Pin down drill holes 4-40 FR bolts through middle dowels Remove cabin section install 4-40 blind nuts under ply tabs Taper top holes dowels screw cabin section Cut former F-i Ply Mark center Continued page 116 II ~R/C GOODIES P 0 BOX 192 NUYS CA91408 AIR213 764-1490FO 110 CAPITAL MODELS READY-TO-FLY 40 61 1Reg $15995SPAN SPECIAL $13995I $65OShipI Fully Built & Painted Controls Fuel Tank LG & Wheels installed Needs Ionly Engine Radio installationI 4 4Ce Reg $6950 SPECIAL $4995 POWER PACER R/C Battery Tester Charges & Cycles Tx & Rx batteries Locates bad cells & provides batt capacity readings cowTy TRAINER CRAFTAIR I57 ISPAN SHIP $650 Reg $4995 SPEC $3247 Kit available flatbottom semmsym Imetrical wing 2 4 Ch 19 40 Engine Calif add Sales Tax No CODs Brochure 60m US $170 Foreign 4 1/2% Surcharge VISA Visa Master Card November 1982 113 cam erty
Edition: Model Aviation - 1982/11
Page Numbers: 16, 17, 18, 20, 83, 84, 112, 113
ACCORDING TO THE PAPERS Frank Perdue once hated chickens Perdue feisty guy pushes chickens TV throwing classy bachelor dinners Cornish hens four telling us send hack other guys blackened bones note say ing Gentlemen bones Did eat chicken 01 Frank would make perfect modeler classic AMA activist too am fowl mood busted crate No oppressed Kadet Like unfortu nate airline takeoff mishaps crash textbook accident Perhaps youve noticed accidents involve bare minimum three contributing causes Model postmortems teach five years uneventful hacking around Cursory wakes field blame errant transmitters spooky signais failed batteries etc trash remains no accident investi gations fun lets see what accident anaiysis reveais Subject aircraft Five-year-old RC Special scaled-down version 1948 design pub ilshed September 1980 MA cabin con figuration tail-dragger flat-bottom airfoil 5 deg dibedral three channels no ailerons last powered ST 35 Weather 90 degrees high humidity vari able wind averaging 12-15 mph gusts 25 Gusty changing crosswind vectors 90 deg port starboard Location 50-miles-away visited club field 560-ft well-mowed grass strip unlimit ed approaches Airspace burn Aircraft log 131 flights fleet log same period 700-minus Initially powered K&B 19 Long runs delicate lift-offs sluggish rudder during run flight 22 Pattern flier unable spin until shown wiggling rudder nose-high produced entry stalling tip flight 23 temperature humidity matching later accident takeoff quartering out crosswind short strip visited field lift-off premature coupled severe rudder correction wind back runway line produced tip stall roll inverted cartwheel teasing out cabin major repair Flight 128 same site terminal accident Fast long power approach idled near thresh old slightly nose down fading away runway center line airplanes left Gen tle flare-out correction elevator simultane ous slight rudder correction heading ample airspeed plane abruptly rolled moderately toward pilot line heading cor rected now roughly 8-ft altitude required botb left right rudder maintain control too close pits hard rudder regain runway augered spin damage During 1980-1981 plane flown Davis Diesel-converted ST 35 bor rowed engine test bed expert pilot Radio change aging oil-soaked etc pro duced CG change rearward mid-I 982 com pensated nose ballastwing loading up 18 ounces flight Engine overheating unusual re setting high- low-speed throttle Taxied out long wait runway side Scale mod eler checked taxiing another aircraft Ex tremely ineffective muffler other aircraft own engine almost unheard Initial run accel erated normally up-control held momentarily 16 Model Aviation U jUSt fun Bill Winter Bill Winter left Col Bill Kaluf Fredericksburg before Bill pranged RC Special Flight 131 Youll want read accident analysis text find out Winters transmitter carries both blue-and-white brown-and-white frequency clip Bill Winter figures perfect answer cantilever-strut gear big models Its Gull-wing Stinson Fits fuselage slot removable model being built Les Putnam reported Fred Nielsen Realistic Models acquired production rights Stinson 150 Quarter Scale kit redesigned remove several pounds has made five kits Traced down Fred says gear intended below floor boards actually proiected under seats Bill Winters big Aristocrat real life too redesigned lighter extending above floor boards compression factor l3to 2 instead l3to 1 principle adaptable size weight plane Gear shown job craftsman having lathe Pictures Les Putnam show gear normal loaded modes Realistic Models has crawings does produce gear begin run relaxed tail rose slight down held build up speed Undue rudder correc tions required somewhat erratic ground path during later stages run true head ing wheels skimmed ground Slight downcon trol held avoid abrupt lift-off wind Gust switch starboard port right rip dropped approximately 15 degrees seemingly adequate airspeed ship off ground rudder unable prevent severe cartwheel Radio brown-and-white susceptible blue-and-white adjaccnt frequency antenna down Flew both color pins precaution Operable after crash First-line radio manufacturer stated totally desuned antenna down condition apparent before crash antenna xas always uptherefore nut factor suggest never operating pits antenna down es pecially taxiing Has gone high engine past antcnna down Tank Could emptied filled electric pump after crash turned brown age black neoprene clunk affected diesel fuel hence last-flight needle adjust ments Heavy corrections takeoff delay lift-offspeed did seem adequate Happily posing MA shot energetic 83-year-young Joe Ott soon-to-be kitted Golden Falcon perhaps Swallow Has unique features Flies well about 20 inverts does outsides takes off 15 ftlargely due Joes mix M-6 Eppler 205 St Cyr 52 airfoils St Cyr used Heath Parasol already fiddling mid-engine low-winger ex tension shaft Gosh what next November 1982 17 Classic RC models right hand picture Merlyn Welchs love L-R Goldberg Hanger 42 still around tine-grain toam goodiel Bill Winters Gramps AlAN Sterling Mini Mambo once rage 15-year-old Midwest Triquire another all-time favorite left Merlyn glory days 100-hp Kinner Fleet winter togs Merlyn going pick up downed pilot Clothes weighed did produced marginal loss power due lean run inadequate penetration wind control response gusts factor clearly primary cause sound obscured second aircrafts barking muffler Flight should have aborted Lack diligent tank maintenance obvious ones own field flier decides clearly whether fly according particular aircraft wind/weather travel sub conscious effort fly no matter condi tions poor obviously dangerous never must fly Bite bullet Three-channel planes flat-bottomed airfoils given higher wing power loadings inferior degree convex bottoms because center pressure forward movement witls increasing angles attack tending balloon Simultaneous appilcation rudder elevator related snap-roll maneuver Ailerons less dihedral safer far anyone has mastered basics cussed Kadet would have cartwlseeled aileron available takeff level wings witls crossed controls Rudder alone produces turn bank entry Conclusion always blame pilot pilot exercised poor judgment tanta mount pilot error Contributing causes model flying rationalizations con tributing factors must acted upon improved safety Fortunately walk away accidents thus learn thereby design Guest pilots like RC Spe cials coordinated smoothness also soars like mad left trimmed high circles engine killed has unexplained trait always turning automatically lift ad justing its own tum diameter match magazine plan three-view design follow-up given Because RC Special scale-down wing area less pro portion-area square function linear inch chord boost area reduce loading Convex undercamber reduce CP travel readily produces nose-ups ballooning flat-bottom mishandled trike gear simplify ground handling Less dihedral ailerons all-weather Continued page 20 SHORT DOWEL ENGAGES HOLE HOOK DOWEL 0 HOOK TYPICAL DUMMY SMALL BANDS HOLD FRONT OF WING TO POD BENEATH FUSE TAKE APART RUBBER CHAMBERMAID Lifes darkest moments rush things accidentally left out three items illustration should have printed last month No doubt scratched heads saw mention text illustration couldnt find Sorry about arebetter late never left sketch take-apart Rubber-Powered Chambermaid model devised 1 G Schmidt St Petersburg FL top right shot Jack Harens two Buccaneer B Specials separated 23 years foreground ancient Forster 29 spark-ignition job made two flights single-channel Aero-Trol rig escapement rudder control solenoid-timed engine shotoff Behind new Enya 15-powered MonoKoted job REM controls Now hes able launch fly land own Above right Smoker 40-size variation Phoenix theme designed kitted two members Mid-State RC Club Alexandria LA guys own glass work Thats Gus Volks model Might worthwhile reread October issue info 18 Model Aviation 049-051 Engines KitK-72495 Cal NIUS INC ACCUETACH 1 LCITAL ER 2E 3MoNITOR TACHOME us VOLTMET ate CHARGE tO getad-Determine ~jiCadMakes po5S3attery accurate RP1 th ru~argeofY0 jth-safelY peal1a~~ge bY out~eck hntpack ofl Select tinewatchifl9 0 jgflalS topend adJUSntbatteris ernost tXIR dual scale capabiliWlOXO 100X preCI teage drop tha full ~arge ty built withcombos Quail lectronics ORDER YOURS NOW 79PeaId Send check money order no CODs NortZal AVIONICS Inc PO Box 70956 Sunnyvale CA 94086 california residents add 60/0 tax Add $300 shipping outside continental USA Dealer inquiries invited knock-about sport plane good crosswind features desirable RC Special no washout No ever reported its need sport jobs spend lives right-side-up should have adequate washoutjust case Carve stone double-take Immediately after crash flier rescued under fly-tent blown down wind Whatever happened hand-held wind-strength gadgets Since tip-stall evidently high-speed stall wind shear likely rapid gusts add subtract airspeed differential 15 mph perhaps 20 ship flying second dead air next regardless normal attitude perceived Incidentally used rubberbands nylon bolts Id still have plane Bolts break air speed plane density construction high An open structure yields bolts break straight never cart wheel safety board chairman would advise fly fewer planes devote loving main tenance plane engine tank radio everything really right onand weather suit machine beyond previous experiencedont fly Ever Merlyn Welch Ten Mile Hobbies Hillsdale KS enjoys modelers letters writes can thanks Doc Mathews has chewing over old full-scale days Merlyn Kansas City Municipal M W checked pix gossip started building models 1927 first plane built believe out Boys Life Merlyn tells us own first model 1927 mag American Boy kit stick model 1/16 sq anything else Fifty cents plus post age never got fly still have Playboy Senior 1942 now restoration will put single-channel escapement radio should flip teary-eyed ancients Imagine escapement Retired six years Merlyn gets fun out treasured hobby spite handi caps cut heavily flying After heart attack gave up hand-launching eyes arent what should has no depth perception thinks must have another pilot land planes him lot us cant hit broadside barn Merlyn own case delayed reactions result poor perception Now no matter low get approach seem suddenly high over threshold and/or fading off strip far side diverging angle present time have four radio jobs go 25 planes CL RC well IT apparently needing cover ing two still kit boxes would like build Quarter Scale think thats little dreaming Quarter Scale can easy easier fly little jobs pick something appropriatethat means lots wing area simple boxy structures Sigs -scale Cub ideal bet tad smaller Top Flites 40-powered big Cub realistic fascinating fly Pattern-flying son leaves beloved bombs shop Merlyn sneak off hobby shop shelf have pilot help use help biggies guys big float ers cinch Try J-3 see note second crate left Merlyns Coorinued page 83 20 Model Aviation Rubber Power Gas Engines Free Flight RIC C/L Safety Preston Continued page 14 have stated previously column model flying has excellent safety record com pared other leisure pursuits would like see stay way urge take objective look current flying site frequently fly over someone elses property over spectators innocent bystand ers youanswer yes perhaps change op erating procedures needed suggest check letter AMA HQ offices AMAs attorney appeared recent issue MA Flier His/Her Neighbor October 1982 pp 86 89 deals overflying other peoples property AMA members consequences respect trespass appears trespass can occur merely invasion airspace above property owned others Its food thought wind up months column would like thank readers wrote us opinions weight limits Giant Models apologize responding personal letter spare time has very limited summer As write preparing leave Nats second trip CL Scale World Championships Kiev follows almost immediately Because latter trip will miss deadline December issue magazine Expect us back January issue Meanwhile please fly safely John Preston 7012 Elvira Ct Falls Church VA 22042 Fun/Winter Continued page 20 plc writers Gramps 6-ft rudder job stunted Veco 19 escapement rudder-only no throttlewas pub lished MAN during 50s Guys search RC oldies will find fine flier three servos Schnuerle 25 plainbearing non-Schnuerle 29-35 sitting box Letters will reach Merlyn H Welch PO Box 86 Hilsdale KS 66036 has dreamed having own fly ing field freedom fly anytime just walking out back door once such place could hand-launch big early-day RCs quiet ings put up 5/2A Free Flight Rubber Fuse lage job sheet-balsa ROG Swarms twittering barn swallows would dart around silently gliding crates cool evening never hooked strong ther mal didnt bother DTs Faint lift sometimes kept stick-and-tissue birds circling forever seemed So has won der Free Flight such all-or-nothing thing innocent low-key pleasure bru tally wrung out dont need milelong field During SOs Long Island joined Johnny ZaIc Pete Andrews Val Luce Curtiss Field already haif-fuli housing sweated over cranky RC guys put up dozens flights early morn sundown High-performance 1/2As then-new 10% airfoil like Frank Eblings Phoenix put out Jetco sharp leading edges Never did ship leave field used short engine runs dethermal ized few seconds after models trans Specifications 735 Inch Wing Span 1000 Sq Wing Area 56 Inch Length 90 170 Lbs 61 Engine Gear Drive 9050 Engine Straight Drive 4 Channel Radio Required ** Look Next Kit P-58104 Span ** Price $22995 plus shipping Kit Endorsed Leo Loudenstager World erobatic Ctampios Mallory Models PO Box 207 Falls Church VA 22046 703 360-5424 Ann Bill Hinnant Kit Includes Epoxy Glass Fuselage Two Alum Spars 6061 T6 Spar Locations Molded Fuselage Two Piece Foam Wing Spar Locations Cut Out Foam Wing Alignment Tubes Spars Wing Molded Hatch Bottom Fuselage 1 Piece Alum 6061T6 Landing Gear Epoxy Glass Wheel Pants New Tail Design Tinted Canopy Scale Decals Full Size Scale Drawings Flying Wires Three View Drawing November 1982 83 Tatone Makes Easy joe osxo &Laser uu Scale Masters 1982 Mallory Models QUARTER SCALE LASER 200 Sport Scale AMA Scale Pattern Fun Fly NORTHERN CALIFORNIAS LARGEST DISCOUNT HOBBY SHOPI I well FUELyou New high film strength lubricant1 increased power engine lifeI Hinhst cualily inaredients action varnish II II II II II II II II II IFV1SAI IHOURS Monday thru Wednesday 930-630 Thursday & Friday 93U-8OUU Saturday 930-600Sunday 1200-500J mm m m m itioned glide circles Guys still After happening recent early morning another grassy slope passed still evening strikes us hap piness bushel basket full random smallfield Free Flights come Sigs catalog always contains dozens FFsGllders Rub ber Gas Manufacturers arent philanthropists beauty FF 02 049 can sketch nifty sport job configuration choosesand within few days go have fun Which brings up exciting designers gifted maga zine contributors ever knew Keith Lao mer miss seeing imaginative 195 Os early 1960s layouts just know people would still enjoy stuff llke magazines what can cannot have magazine substantial adver tising can have TV out detergents shampoo RC does pay way Thats way world costs fortune produce monthly copy mag rather firing off testy letters some editor caught between rock hard place help yourself Design some thing cant aint worth fighting yes know about kids no mag world help Hurst Bowers just licked five-bypass present Laumer cuties thumbnall-sketched Herb Clukey Mags issues possible given Magazines probably dont still have full-size plans although Flying Models has long list Lord knows Aero Modeller England has list available plans going back Punic Wars Dave Shipton Hobby Hideaway among others Repla-Tech too think has Aero Modeller plans can always write involved editorsgiving issues possible ask Xerox copy plan itself should cost buck Iwo MA doesnt have Laumers plans since started its present form 1975 after Laumer era believe Midwest still has immortal Sniffer youd want small Its cinch too make yourself profile pylon insetting laminated pylon using con ventional spar-edged wingsor perhaps just cambered sheet balsa thin dowel lead ing edge big thing avoid long runsengines run longer prop unloads An exter nal eyedropper tank works well one-third above needle valve two-thirds below consistent run Time run fill dropper i marked leveL coil trans parent fuel tubing also makes good tank tached flat against fuselage side en gine has tank mount reduce capacity putting space-taking objects inside have build such model send pic tures can say Ah say youd like big RC job dont want risk Scale mess months fittings detail dont want big engine Well can always go Tele master require kit Kalufs fly visit Fredericksburg have Senior Telemaster carries sidelooking camera flaps fly time flaps slightly down during entire flight flies majestically easily way Since down-flap increases washout works against tip-stall can land slow ly safely wind fact Continued page 112 84 Model Aviation Winning Ideas FOURMOST FUEL MANIFOLD seRvo 0FUEL LINE FUEL SHUT OFFSma Fue Fitting Set Manifold Provides ConvenientCan Used Control FuelS zeI DPRICE $1 50 Method Tank Filling Draining andFlow Starting1 Tee 2 Elbows 1 Pen Bladder Tee PrimingPositive Airborn Shutoff % IDPRICE $125PRICE $420 i5 AND t ODSTRUT FAIRINGS Comes two 23 Lengths Two Sizes coanwig% ID / ID/\LageFue Pttng Set /7Sze% IDPRICE$200 Packaged 2 Ft s zePRICEI Tee 1 E bow 1 Un 1 Plug PRICE $2502 lengths either size $270BobuadeFom Foe Faa Po ye 0y en Send SASE Complete Information Fuuvu~i 4040 24th Ave Forest Grove OR 97116 PRODUCTS Phone 503 357-2732 hEw PONYBLIMP NOIiRU6ID AIRSHIP PRACTICAL SIZE can Lift 28 Oc Uae Standard Radian 13 4 CIanaell Reqairns 80 Cabic Ft af Helium IHeliam Anallable welding Supply Shapn FUU CONTROL Modern Thnnt-Anredynunic Central Fareuard Haner Backward Elevation Tan Baltact Helian Rnlnenn COMPLETE El Fanned Planec Din-Cot Balsa end Plywaad Panta Mounting Hardware S249OO Wire Piage Switchen Baak Eaplain ing Blimap Operutian Detailed Plana Phaton Canpletely Fabri cated Vinyl Helian Ennelape Electrrc Motors Radio snd Batteries NOW YOU CAN FLY YOUR OWNNot Included ELECTRIC POWERED BLIMPCOMPLETE CATALOG $100 DL8*JaAaAaePO BOX 2498 -MA LA MESA CALIF 92041 WmRUVfyUUGPHONE 714 489-8675 714 442-4636 Fun/Winter Continued page 84 doing sweat cracked up RC Special ailerons remember Falcons Kadets etc world oyster chance fly half-up Kadet II field concocted Jerry Johnson help Charlie Rec tor Now wenve never flown heavy real air craft somewhat sluggish controls Fox Eagle-powered Kadet Kapitan use aileron stick like guy Hollywood movie rolling wheel back forth no real-plane feel fast ship instantaneous response have fly crate anticipate amazing feeling real aircraft comes through Its slow-motion boys used less dihedral standard Kadet multi-spar non-D-tube no sheeting Hoerner-type roiled tips Styrofoambut inverted point upwards certainly did no harm big deal cratedubbed Big Mother fellow flierscost $30 uncov ered made foam-core board construction-grade spruce spars etc sawed strips 2 x 4 Exposed edges foam board sealed 3/16-in-plus strips Firewall 3/8 ply cabin bulkheads tmA ply suggest Lite Ply Ribs foamcore board pars other sizes cap-stripped 1/16 thck balsa Covering polyester cloth fabric shop center section reinforced 6-inwide glass cloth Wings have five coats clear Hinges homemade versions Evans X-Hinge iron place Strips 1-in Coverite laid down center adhesive sides facing Cowl epoxy-molded glass cloth over form Final finish Rustoleum seems fuel-proof does take long time set up over epoxy 88-in span chord 16 mutant Kadet has 10 sq ft area Weightincluding 1 lb ballastis 11 lb giv ing loading 175 oz very light big airplane Its KPS-9 servos big slow have adequate power wing center operates barn-door ailerons 3/8-in dowel pushrod ditto elevator Rudder con trolled fishing leader cablesquite positive Stab fin arc braced 1/16-tn wire Big Mother has survived two crashes would have done conventionally-con structed craft Damage broken prop 12-6 Top Elite Super M sec ond cartwheel bent tail bit broke tail brace What about power Since li-lb 88-in biggie does well old-model Fox Eagle 60 half-up Falcon 84 would fly re alistically hot 40 light would much inferior acrobatics Senior Falcon 60 Alas some guys will want use piped 90sand goes realism Senior Falcon 98 being clean slippery airfoil should weigh too much either scalelike hot 60 aerobatic enough please anyone 90 much can done nicely around 40s 60s dont build heavy have 96-in low-wing lightweight equates 2-Meter 10 perhaps between 049 10 2-Meters nose Takeoffs tail grass 4-in Wil liams wheels arc surprisingly easy An Air tronics Q-Tee two three times up would pretty picture get idea fun taking become collector Keith Russell began building models age 10 now 16 flying Sig Komrnander has gem Several years ago father modeler well gone take trash landfill recounts operator fills over trash dirt using bull dozer backed car active area began toss Out junk realized throwing top dozens air plane kits As bulldozer roared closer frantically loaded car instead emptying got home can imagine mother less enthusiastic how11 2 Model Aviation Meet Kadet Kapitan bUa-uP Sig Kadet old Fox Eagle Cooked up Charlie Rec tor looking youl Jerry Johnson made foam-core board spruce built-up wingfor total airframe cost $30 including polyester cloth covering Kaluf pic What doing winter prospect long cold winter has got down let OrLine R/C kit take chill off OrLines classic World War biplanes favorite winter building project novice expert alike new Y4 scale Fairchild 22 sure provide plenty excitement its gr8ceful lines begin take shape workbench can bring back romance Immelmanns dogfights winter long two airplanes will never go out style Sopwith Pup Fokker DVII something winter Warm up OrLine Fairchild 22 Sopwith Pup Fokker DVII Wing span 98 Wing span 67/2 span 72 Wing area 1617 sq inWing area 1586 sq inWing area 1480 sq Power 2 cu Quadra r 60 90 r 60 90 $18950 $11950 $11950 ci Wi ke Cr OrLine Radio Controlled Aircraft Mfrs ox 12501 Salem Oregon 97309 phone 503 362-1606 ever saved over three dozen Joe Ott kits kits included mahogany card board sheet parts WW II shortages bass wood strips tissue glue kits may have dated 1940-1 944 built sold several Americas Hobby Center Still have eight hand Wild cat Mustang Spitfire Brewster Dauntless Stuka etc boxes area bit tattered cant swear glue good Super Jet old-timer fans inter ested would part couple would happy donate couple AMA Museum heavens sakeguys dont write ol Bill Keiths address Box 135 Division St RD No 2 Galway NY 12074 doubt hell able answer everyone wheres sporting blood Correction recent column spoke flying Cessna 120 flaps own ers pilots chide us politely 140 Both basically similar al though electrics other stuff improved 140 flaps added remember having two bad mags 120 cross-country buy elec tric bit confused numbers having also flown four-place 170which flies bet ter its trike descendantswhich assumed 140 Memory plays tricks also slight time no takeoffs land ings both immortal Airmaster prewar vintage 195 impressive hunk machinery AU friendly critics agree flaps 140 did next nothing Bob Benjamins search authentic Aeronca K plans Ive swamped ad vicedo know Bob Lopshire Bob Karlsson has local use real plane nearby too Karlsson noted Scale man meet him contest might beg him bended knees Bill Winter 4426 Altura t Fairfax VA 22030 Laser Model/Shepherd Continued page 30 shown side view Pin top sides place formers F3A F5A Slip former F-4 place eyeball top see square straight glue sides formers Glue /32 sheet F-4 forward cockpit floor Glue Vs x longerons F-4 F-S Glue F5B place Glue TSF side fairings place Glue -in side sheets F-4 F5A Remove cabin section glue -in dou blers inside side sheets between F-4 F5A op longerons Glue -in sheetovertheturtledeck7/g-in behindformerF-5 Glue tab -in top sheet 2-in forward block over fuel tank Glue -in sheet over cabin section Mark center forward rear -in blocks 5bin section drill us-in holes marks dowels Cut dowels length Hot Stuff top blocks Place cabin section back wing Pin down drill holes 4-40 FR bolts through middle dowels Remove cabin section install 4-40 blind nuts under ply tabs Taper top holes dowels screw cabin section Cut former F-i Ply Mark center Continued page 116 II ~R/C GOODIES P 0 BOX 192 NUYS CA91408 AIR213 764-1490FO 110 CAPITAL MODELS READY-TO-FLY 40 61 1Reg $15995SPAN SPECIAL $13995I $65OShipI Fully Built & Painted Controls Fuel Tank LG & Wheels installed Needs Ionly Engine Radio installationI 4 4Ce Reg $6950 SPECIAL $4995 POWER PACER R/C Battery Tester Charges & Cycles Tx & Rx batteries Locates bad cells & provides batt capacity readings cowTy TRAINER CRAFTAIR I57 ISPAN SHIP $650 Reg $4995 SPEC $3247 Kit available flatbottom semmsym Imetrical wing 2 4 Ch 19 40 Engine Calif add Sales Tax No CODs Brochure 60m US $170 Foreign 4 1/2% Surcharge VISA Visa Master Card November 1982 113 cam erty