Scale World Championships An amazing variety Bob Dolly Wischer aircraft proto types represented Radio Control Control Line models Unlike some formeryears least RC winners circle dominated aircraft type NORWAY WAS THE HOST nation Ninth Scale World Championships action took place Kjeller Airport military field 20 miles northeast Oslo 17 nations competed47 airplanes Radio Control 13 Control Line large entry RC imposed quite burden contest management serious consideration given limiting flights two rounds end competitors given three flights contest came conclusion within allotted time because weather permitted another rain shower extra day would have needed Norwegian Aero Club organizers World Championships made some wise early decisions helped com press action five days judging done using five RC ffight judges CL static scoring CL judges RC static permitted RC flights begin before models judged Static judging began lineup winner RC Scale Max Merckenschlager Germany 1/4-scaie Bristol Scout aivina soan 73 Weight 113 lb engine lean 08 120 four-stroke Finish over lightly-dyed silk homemade dummy engine cast epoxy glass RC Scale 2nd place Wa WOfl Dy nunurusa eiiur OT wirzeriana wurn UI1-50 Lomet 1 /6-scale two 08 40 four-stroke engines Weight 1a12 lb finish ii auto lacquer Loft Dalotel Chris Foss England 1/4-scaie spans 82 weighs 94 lb finish Black Baron paint varnish overcoat RIght Australian team manager reads checklist before starting engines David Mastertons deHaviliand Drover Three Enys 40 four-stroke engInes center turning backwards power model finish paint over 0035 aluminum Left OflO Otifle iignxesi mooes EjUIIPPU CIUT55UflU UFIO MOm am wu lola gu unnu finish enamel over Solartex Right Carlo Mapelil italy haa modeled Mmarlcan umirulight homebulil ppy simple model could well World Championships competition against multi-engine airplanes engina nya 1 u Tour-airuKu models permit overview distance comparison purposes Showers interrupted static judging being done outdoors also early flights beginning flying could have used services Dave Brown Ron Hesselbrock flight-line bosses accelerate action fellows Nats Later week situation improved moving No 1 ready box point runway behind flight judges speeded action considerably future 60 70 entries can expected two sets judges will required some flight scores may suffer because unequal exposure threeflight schedule could easily have happened Oslo because entries expected arrived some dropouts among USSR RC teama major disappoint ment everyone evident Soviet team will appear until winning potential Considering small number aero club members available organization well-run meet two hotels nearest within walking distance airport about mile used headquarters setting im pressive Surrounding hills forested have hundreds pretty homesites slopes hotel located slight knoll spectacular views windows Everyone evening meal together large room Smaller side rooms popular spots social gatherings evenings Nor wegian Aircraft Museum specially opened evening almost everyone chance see collection 21 hours daylight July Oslo latitude evening activity wasnt limited Saturday night banquet party continued until 4 am well after daybreak Several nations made first-ever appear ances Scale WCamong Japanese mistaken impression would come champion ships until ready sweep top places definitely case really came learn enjoy themselves truly delight ful group above average models flying skills yet world-beating con tenders first-flight jitters same everyone settled down afterward show cham pionship material first flights exciting Okamotos Nieuport 11 takeoff almost wiping out judges scramble 86 Model Aviation maui compiax moasi UT maui mis r- ouiii DY Philip Avonds jet fighter pilot Belgium Twin KAB 75 engines spin Turbax rotors mounted fiberglass shrouds model made obechi plywood has foam wings its 1/9scale spans 57 Right BE-2c Jurgen Steinberger Germany hasa dummy engine turned milled aluminum hammered aluminum cowl Covering silk wingspan 1680 Left Vs-scale stinson Al rimotor oy ieva auger nag ma nignaststammcsuora ut Lou 00 5llUUU center 05 25 span go weight 1813 lb Homemade retracts use Rom-Air SM-79 Sparviero trimotor bomber Carlo Bergamaschi italy isi /9-scala weighs 13 lb uses mr. Left Skip Masts Lockheed NC-i 30B judging table Skip used modified Goldberg retracts main gear Rom gear nose foam 1/16-in lightweight balsa cover finish acrylic enamel over lightest-weight sllkspan Its 1/-scaie weighs 13 lb span 975 Right Australian Lloyd Dippel prepares start OS 120 GemIni twin 84-in-span Bowers Fly Baby Left Bengt Kailetrom Sweden built Klemm 35 1/5-scale Weight 10 lb 08 1 uu-wiuuiw PU U LU III UIU enamel over Polytex Right Wim Reynders Belgium modeled North American F-82B Twin tang Wingspan 177 irs sand two 08 40 FSRs provide power Wim produced own approved three-view drawing Balsa construgimon epoxy fiberglass finish quickly Nieuport repaired came back very presentable flights subsequent rounds surprisingly resilient aircraft Fortunately its Gemini engine escaped damage cartwheel landing other two airplanes Zero course T Furuta Republic P-47D25 S Takahara Japanese made inquiries about staging future World Championships country possibly 1990 Control Line Scale Soviet team expected unbeatable Valery Kramarenkos Antonov lost crash place Alex Pavlenko LI-2T copy Doug las DC-3 finished third First place again won Antonov AN-28 turboprop airliner Vladimir Fedosov high static score gave slight edge over Bulatnikovs biplane Air-i Soviet models showed highest type craftsmanship professional touch As past seemed two contests CL decide Russians would first second third another other placings US Jeff Perez Boeing B-17G overcame low static score excellent flights become leader Observers proclaimed flying best has ever done Ron Sears Stearman PT-17 enjoyed higher static score although 700 points less Paris able make reasonably good flight heavy mod el Julie Abels clipped wing Cub needed high flight scores augment low static Only few lost maneuvers prevented placing higher peculi arities CL scoring zero given models lines reach 450 prescribed number laps wondered about measurement angle Both Ron Julie victims zero maneuver Julies banner tow provided some scores 10 later flights higher judges de cided give scores both banner tow banner drop As female contestant Julies popularity resulted front-page newspaper photo Continued page 88 November 1986 87 MrJuvu uiur uarmgu oupwiln onips nsa gummy rotary engine revolves single bail bearing noseweight driven exhaust models Laser 90 four-stroke engine Nylon covering finished dope Humbroi paint Right Grum man Wildcat Switzerland Peter Muller has complex retracting gear Scale 1/65 engine 08 90 four-stroke Left /4-scale 13-lb PlUs S-2A Poul Munsberg Denmark powered 0 four-stroke engine silk-covered Simprop paint Right Mitsubishi A6M5 Zero Japan T Furuta used 08 SF 90 engIne external tank dropped flight Left colorful 1/6-scale Boeing PT-i 7 Soren Frederickason Sweden finished boat paint over Polytex engine Enya 120 four-stroke span 1s64 weighs 1 2/a lb Right VldarTolfsen Norway used Enya 90 four-stroke deHavilland Tiger Moth Mick Reeves England has now flown Scale World Championships prefers RC unable become team member returned earlier talent CL Zim 526 Akrobat model stored its travel box since last used 1974 returned service 12 years later first flight Mick discovered black rubber pickup tube inside fuel tank dis integrated model badly damaged flying inverted its second flight As expected four nations con testants CL event appeared destined reduced WC international contest make fully acceptable championship Norway became fifth nation entering semiscale Mustang Petter Harsem has done before Control Line World Championships unless something done preserve event may never another RC Scale US team suffering low static scores finished 10th 14th 22nd places static scoring positions 6th Steve Saugers Stinson Trimotor 23rd Skip Masts C130 Hercules 34th Cliff Tacies Trimotor Savoia Marchetti affectionately known spaghetti bomber large deficits make up 2Oto 30% bonuses applied flight scores Steves Stinson its 25% bonus three engines retracts conventional tail-dragger landing gear hope well competition would have needed near-perfect flight Small errors accumulate some can very damaging example take off scored 1 10 judge perfect takeoff can give score 50 10 five judges weighting multiplication K factor degree difficulty 10 producing total score 500 25% bonus 500 escalates 625 swerve takeoff run can substantially reduce score certainly advisable make takeoff landing perfectly maneuvers win lose FM Scale contests judges decide swerve reduced score five unlikely total maneuver alone will have lessened 312 points Steve Saugers Stinson Trimotor con sidered glamour machines contest attracted generous attention US entry found overweight supersensitive digital readout scale Steve solved problem substituting lighter 450 mAh battery pack larger cells model own examination static scoring reinforced belief Stinson deserved better place However must pointed out Steves documentation could have better Though Steves flying improved round 25% bonus couldnt overcome small errors flight Continued page 92 88 Model Aviation Left Cliff Tacles Savola Marchetti SM-Si 1/11-scale 85-in wingspan three K&B 35 engines Weight Ia 13 lb Finish Sig butyrate dope over Super Coverite Silkapun Covent wings Above Jean Roumseau France brought new Moynet Jupiterto Oslo An earlier model destroyed Lemourget 1984 Engines 08 40 FSR Covering sheet aluminum Skip Mast completely new Lock heed HC-1 30 Hercules Oslo Its 30% bonus highest meet Skips low static score largely result absence surface detail Modeling very large airplane Y16-scale affects amount detail can applied Engine prob lems affected flight scores engine stopped model rotated takeoff first flight judges gave credit three-engine flight although rule states engines must running takeoff given credit four-engine flight becomes question whether propeller still turning instant wheels parted runway cules flies very well three engines Augmented its 30% bonus highest flight scores three US models Taxi points lost K&B 35 engine needed restart before takeoff Two flights completed four engines running Cliff Tacies Savoia Marchetti Trimotor bomber given very low static score documentation consisted photos publication profile-type threeview drawing External details difficult reproduce apply large airplane reduced Yii-scale Cliff also engine problems first attempt model nosed over suddenly just ready lift runway flight engines throttled end taxi maneuver engine stopped restarted taxi points lost US team used radio equip ment furnished Airtronics same frequency could interchange transmitters necessary models equipped Airtronics smallest lightest servos important item mod els built up maximum weight allowed Radio problems nonexistent contestants throughout meet Seventeen biplanes entered championships first place -scale Bristol D Scout Max Merckenschlager West Germany flown muffled OS 120 four-stroke large-diameter propeller extreme quietness flights made low throttle settings further reduced ex haust noise Max already accumulated enough points very first flight win event flying technique very steady no unnecessary changes Left S Takahara Japan used 05 61 Republic P-47-D25 Thunderbolt Complexcontrais forthe sliding canopyand bomb drop Right 1 /6-scaie Fokker instructor S-i 1-1 William Noordegraaf Netheriandsscratch-bulit varnish over silk paint 92 Model Aviation US team L-R Julie Abel Piper J-3 Jeff Perez Boeing B-i 7G Ron Sears Stearman PT-i 7 MlkeGretzasst team manager Dolly Wischerteam manager SteveSaugerStin son Tn motor Skip Mast Lockheed Hercules Cliff Tacie Savola Marchetti SMSI Left Peter Miii Canada deHavilland Chipmunk built Bob Holman plans Peter made own fiberglass fuselage foam wings its 1 /6-scale spans 68 weighs ge lb uses Supertigre 61 finish KAB epoxy overCoverite Above 1/4 scale Bucker Jungmeister Jarno Helasuc Finland finished Coverite enamel engine Enya 120 four-stroke altitude direction absolutely no errors Remarkably accomplished using biplane undercambered airfoil airplanes dyed silk cov ering clear dope finish gave ap pearance light weight fact built up 6kg weight limit realistic dummy engine crankcase formed epoxy fiberglass silicone molds other pilots counting better weather improved flying conditions later rounds hope steadier hand controls Max contest won first day flying second place deHavilland 88 Comet Hansruedi Zeller Switzer land first seen La Bourget 1984 made some improvements notably throttle trim system possible steer taxiing changing individual settings two 0S 40 fourstroke engines also capability synchronize engine rpm air system model very steady during flight being racer could flown quite fast losing realism points Hansruedis dive straight flight below six meters altitude always thrill watch addition being excellent pilot also master showman Also Switzerland third place Let Vladimir Boulatnikov USSR 2nd CL Scale Air 1 Webra 61 dummy Blackburn Cirrus engine working valve rockers belt-driven An animated dummy pilot salutes turns Its head Right Four years effort team professionals produced LI-2T Douglas DC-3 look-alike flown 3rd place Alexandr Pavienko USSR Engines handmade specials Left Marlan lazirod Poland second-highest flight scores CL very low static score Model isa Zlin SOL Harlan uses Webra 61 engine haul model around Right Hick Reeves England resurrected venerable Ziin Akrobat built 1969 entered three Control Line World Championships 1970 1972 1974 flown since met Its fate crash inverted November 1986 93 Firs piace ionrroi Line G8I6 weawun again u ,ilr Fedesovof USSR Antonov AN-28 turboprop airliner pair speckany-made 60 engines bevel gear drives fitted narrow nacelles Reversible-pitch props used taxiing Len wecironlcrnrouie tiaps drop tank homemade retracts 15-lb model covered 005 aluminum iitho plate Hastwo lruru viuginwa hIs Boeing B-i 70 75-in span 12 lb four 0S 25 engInes three Worli Left AdsHavilland OH-OS Mosquito Loch Podgorskl Poland used two Webra 40 engines hasfiown Worid Champs Right Ron Sears PT-i 7 Stearman Kaydet 181 /6-scais 641/2-in span Supertlgre 60 FInish Randoiph dope enamei over Coverite Bucker Jungmeister Konrad Qetiker highest static score Mistakes bad landing damaged landing gear kept scores low first two flights Konrad returned finish excellent third round also gave Swiss team first place Biplanes proving real contenders Five first nine places biplanes Chris Foss England 82-inspan -scale Dalotel proved aero batic monoplane could contend biplanes also made clear twostroke 60 engine well muffled could match four-strokes quietness OS 60 FSR carried large model dif ficulty respect Dalotel different weighed 43kg 95 lb Chris model well under maximum weight chosen different route success Two years ago David Masterton Australia come Paris victory trimotor deHavilland Drover very high flight scores Oslo static score slipped down ward different set judges Dave arrived early done Paris foam-and-balsa practice trimotor airplane cut seven pieces transportation good practice field wasnt available Dave made couple flights before competition began meticulous professional pilot has team manager read off 10-item checklist before flight engines 05 40 four-strokes center engine having reverse rotation provide straight-line 500-point takeoff necessary win ning effort course also means needs reversing switch starter motor center engine well lefthand prop model completely cov ered aluminum alloy sheet 003 5 thick specially rolled hardness pre vent handling damage contact adhesive used fasten aluminum 2-in balsa substratum rivet detail embossed aluminum rear Washout seven degrees Drovers tapered wings provides stability slow speeds Daves slow steady flights attest its value First ducted-fan model complete flight Scale World Championships McDonnell-Douglas F-15C Eagle Philip Avonds Belgium twin K&B 75 engines used tuned pipes because model already 6kg weight limit first flight Oslo also models first everyones surprise performed perfectly until engine quit landing heavy its carbon-fiber landing gears damaged Philip made hasty repairs carbon fiber model designed scratch-built Avonds using obechi plywood balsa foam wings wings complex airfoil faithfully reproduced semi-symmetrical section root sharp washout twist thin undercambered tips Rotors Tar bax shrouds stators made layer 5-oz fiberglass cloth models exterior finished glass cloth epoxy paint furnished factory its second flight vibration engine caused rotor shifting off center third flight same problem fractured crankshaft complete Continued page 176 94 Model Aviation Lert JUlIO RDI5 oanner tow clipped wing Piper Cub earned high flight scores model orIginated Sig kit its engine 08 40 FSR span 57 its finished Covent dope Above Henryk Stecyk Poiand used US prototype OV-1 OA Bronco CL Scale Two Webra Speed 61. J ur ngIanu umug pair U5 .n engines tor nis uougias L-4A UaKOta nag uAgwileht flights unfortunateiy iow static score cancelied out effort time chase retrieve everyone get three flights Several latecomers caught unawares missed 700-to-800 am round out Another several launch line 750 furiously winding shouting timers no avail Motors popping shreds flying whistle went off schedule close round part flying low key very high quality hordes camera bugs launch along lots ofjolly good advice thermal picking let go going round cheers successful groans various inevitable smushes Conditions field could have better tem perature 90s rather usual 110 very low humidity slight drift early generally benign thermalsalthough eight models dis appeared overhead during memorable boomer Genial Jim Adams maxed-out Gor don S Light replica win first place closely followed Bob Langdons latter day Light played game winners since contest unique its ingredients its vintage quality its spirit being US team flying Wakefield against inter national entry truly great site thrill enough word unforget table As bottom line 50th reenactment 1937 Wakefield Cup contest will held Old Warden England already shuffling paper bank preparation Scale WC/Wischers Continued page 94 flights models sixth-place finish could have much improvedhelped high static score 20% bonus Three biplanes finished 7th 8th 9th placesa BE-2c Jurgen Steinberger W Germany DH-82 Tiger Moth Kjell-Ake Elofsson Sweden Sorrel Guppy ultralight Carlo Mapelli Italy Guppy model reversion past model simple airplane well done detail reproduced minia ture could contender first place BOX 429SKYLAND N C28776 THE DIFFERENT FOAM MODEL Lowest Cost Modeling 3 3 Send Si 00 latest fine-grain sheet foam 3 developments foam samples FREE foam 3 sources Hard Shell finishes now Ilable Dozens easy build foam air plane plans Peanuts RIC FOAM SCALE MODELS Box 662MA St Croix Falls WI 54024 III 0CS Antique Military Civiliart Helicopier8 Sailpianes color FOTOPAAKSKOKU-FAN 3-vIews 40OCO pictures stock2000 drawinqa siock Vacation I Handy Disney World l0oR LD Kennedy Space Center rest Florida 3 Bedrooms sleeps 8 Kitchen A/C Pool Ttnnis lots R/C flying Nov-May $500 ink / June-Oct 1400 ink / isightly & monthly rates also available 007 528-4e43 176Model Aviation PRESENTING FL INGER THE ULTIMATE SMALL SAILPLANE HANDLAUNCH HI-STARTorSLOPE WINGSPAN 57 WEIGHT l2oz MACHINECUT PARTS DEALERS&DIST INQUIRIES INVITEDFLINGER LJMP 110 $2995 ELECTRA L ITE-iCARUS-PANTERA METEOR-ELECTRICUS-WHISTLER PR ELUDE-COMET LARRY JOLLY MODEL PRODUCTS 5501 W COMO SANTA ANA CALIFORNIA 92703 714 826 6861 PUZZLED CALL MATT No time build Mutt itlil hove time. know 1 Complete Call 9am -8 pm lEST 2 Semi-Assembled609-395-1672 Irsady cover sandedi Malts Model BuildingPG Box U 1 Stockton Drive Crmnbnrv NJ 93512 Rate cards available reel SASE 14-1/8o9-1/21 also build Cars louts FLYING NEAR AIRPORTS BE CAREFUL PROTECT YOUR RIGHT TO FLY Safe Flying No Accident LAThES INS MACHINe IN SlOP tUPPLIES the Aviation Medal //OMACHINERY AN5JLS $1308-5838I vOle,, ,vOrf,r,doo adqvI QUALITY FREE FLIGHT KITS AND SUPPLIES FOR COMPETITION AND SPORT SINCE 1975 Dealer inquiriesCatalog SOt invited .BLUE RIDGE MODELS rMoRE POWER WITH LESS NOISE four-cycle measuring up expectations read Make engine before Make 60 120 four-stroke less means 1 Quieter glow 2 More mellow sounding four-cycle 3 More usable power both 4 Highest power-to-weight ratio 5 The lowest idle ever 6 Increase mileage up 4 times 7 Runs cooler glow 8 No glowplugs fail 9 Increased reliability 10 Fuel available concentrate Conversion kits available 049 30 cid Schnuerle ported engines Its sim ple just change heads fuel What waiting Dust off two-cycle DIESELIZE Send self-addressed stamped enve lope 60 information call 203-877-1670 between 730 pm 930 pm EST DAVIS DIESEL DEVELOPMENT PO Box 141 Milford CT 06460 leader quiet combustion technolo since 1976 Carlo predicted simple airplane could beat complex US multi-engined aircraft correctwith 10% bonus biplane tail-dragger static score among highest very difficult judges find fault ultra-simple model Carlo needed good flight Static judging done outdoors model being presented viewing contestants helpers model viewed sides including bottom done distance three meters nearest part model Since judges models moved small models received little less scrutiny Judging surface texture crafts manship scale detail done distance meter Balsa sticks 1 meter length carried judge assure came too close US judge George Buso acted chief judge RC static scoring also CL flights lack US judge RC flight line source some consternation US con testants especially after seeing low static scores well low first-flight scores some question favor itism being shown two judges would fIt4P little device sounds beep guide right plane Easily mounts smallest planes Use connector plug receiver same servo Also tells someone frequency solid state crystal oscillator Comes ready mount full structions included WT 1 oz DIM 1 x2 3/8 x IN USA CLUB DISCOUNTS AVAILABLE * ASK * SEND CHECK OR MONEY ORDER TO ELECTRONIC DESIGNS INC BOX Z 1925 GREENWOOD LK TPK HEWITT NEW JERSEY 07421 PHONE 201 728-1616 Plus $200 Shipping cont USA NJ Residents add 6% Sales Tax COD add $200 Allow 2 wks Shipping November 1986 177 9 ONLY onding advertisers mention read about Model Aviation rAlV V JD X ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX Academy Aviation R&D147 Ace Radio Control14 Aerodrome Models Ltd138 Aerospace Composite Products145 Airtronics2 Altech Marketing19 American Jr Aircraft Co166 Applied Design Corp135 Astro Flight10 Quay Barber Models166 Beer Can Bombers180 Bell Rock Industries146 Blue Ridge Machinery & Tools176 Blue Ridge Models176 Dave Brown Products34 Bru Line Industries140 Byron Originals147 Carolina Model & Hobby Expo172 Carolina-Taffinder166 Johnnie Casburn Mfg145 Circus Hobbies152-153 Cleveland Model Supply168 Eric Clutton22 Consumers Guide150 Coverite23 139 Cox Hobbies1 DGA Designs154 171 Davis Diesel Development176 Dodgson Designs168 Dougs Hobby Shop156-161 Du-Bro Products Inc162 Dynathrust Props163 Electronic Design Corp177 FAI Model Supply138 FHS Supply Inc4 Flyline Models166 Foam Scale Models176 Fourmost Products140 Fox Mfg146 Futaba Corp America21 GM Precision Products84 Gator RC Products134 Geometron Co145 Carl Goldberg Models83 Golden Era Plans167 Golden Gate East165 Gorham Model Products90-91168 Great Planes Model Mfg Co164 Harry B Higley & Sons175 Haviland Aircraft151 Helicopters Unlimited5 Historic Aviation17 Hobby Barn 137 Hobby Horn146 Hobby Lobby International175 Hobby Woods154 lkonNW146 Indy RC Sales Inc142-144 JTec174 Larry Jolly Model Products176 Jomar165 K&B Mfg165 K&S Engineering175 Kookaburra Technical Publications178 Kustom Kraftsmanship165 Lake Enterprises164 Leisure Electronics89 Lone Star Models18 MACS Products165 Matts Model Airplanes176 McDaniel RC Service14 Messers Quality Model Prod154 Micro Mark12-13 Micro Model Engineering135 Model Products Corp166 Model Rectifier CorpCovers 2 & 3 Sid Morgan Plans174 Morley USA170 Mutchlers Hobbies148-149 NEPRO168 Northeast Screen Graphics167 PK Products170 Pacer Technology177 Pelican Enterprises175 Penn Valley Hobby Center166 Pica Products9 Plasticote179 Polks Hobby6-7 Progress Mfg Co8 Pro-Tune Corp34 RC Buyers Guide171 RC Extras138 RC Vacation176 Radio South151 Repla-Tech International22 Robbe Modellsport155 Roush Mfg22 SR Batteries173 Sachs TG167 Sagan Industries164 Satellite City135 Scale Model Research176 Sermos RC Snap Connectors172 Shamrock Competition Imports173 Sheldons Hobby Shop20 Sig Mfg Co163 Bob Smith Industries150 170 Super Cyclone Engines138 Swanson Assoc150 RC Sweitzer Enterprises141 T&D Research Associates20 Tatone Products Co173 Top Flite Models Inc140 Tower Hobbies169 Tru-Turn22 VL Products18 Victor Engineering174 WE Technical Services8 Wandit Mfg168 Williams Brothers34 Wilshire Model Center163 Windsor Propeller Co151 Wing Mfg Co10 World Engines141 Cover 4 Yale Hobby Mfg Inc15 Zenith Aviation99 Nick Ziroli Models134 score 4 maneuver other three 9 Nationalism has seen before resulted banning individuals future judging individual score sheets flight will critically analyzed host nation determine whether such action needed future 20% maximum bonus will definitely affect choice model type bonus biplanes undercam bered airfoil has eliminated Some contestants multi-engined models formed opinion judges already discounting scores 178 Model Aviation Now available THE WORLDS VINTAGE SAILPLANES 1908-45 Martin Simons Hard bound 176 pages quality paper 248 beautiful black white photos plus 65 color plates nearly 100 finely detailed scale drawings magniti cent collection rare information classic old timers SPECIAL CONESS1ON OFFER FROM THE PUBLISHER ONLY avail able readers send us 2 International Reply Coupons Ask Post Office will airmail free color brochure price details tell order Write now KOOKABURRA TECHNICAL PUBLICATIONS Pty Ltd P0 Box 648 Dandenong 3175 Victoria Australia No 531Terrible Coupe$475 FF Rubber-power Coupe dHiver spans 48 No 532Baby Bird$400 CL Tiny Stunter uses 049 diesel/glow spans 34Ain No 533Cessna C-37$500 RC Scaler 30s plane 049110 power 2-ch spans 421Ain No 5341938 Challenger$550 RC Y2A Texaco Old-Timer spans 47Y2 O49engine 2-chRC No193Stiletto CL Stunt model McDonald winner 197819801982 PAl World Champs$375 No239Blue Birds AC Ken Willards formation plane 4-channel 10/15 power$ No262Crashmaster CL Crash-proof trainer two sizen15/30 35/40 power8125 No302Mini P-i 6 AC Sarpolos 049 ducted-fan sport flierfor 2-channel Balsa wings tail lose otmotere$275 No3101939 Fleet Biplone AC Sport Scale 35/404-channel Wingspan 56 Vs scale Two sheets$825 No314Oroke II AC Ken Willards flying hoat foe 3-channel 15-power fly land rornovable tear$375 No326Taylor Cab AC Don SmIls Schoolyaed-Scale 049s2-3 channel Spans SOin*350 No332Zephyr AC Small 2-channel gliderforhand-launchortow thermal orolope soaring$280 No396Laser206 AC Sport Scale replica championship Aerohatic ffier Uses 40 power 4-5 channel Two sheets$t075 Ne414Electric Spunky AC Electric-powered ton flierfor 05 motor 3-channel AC scaled-op t939 robber-pewerfanorite$050 Ne430Irooside AC Zippy little sportoterfor 10115 power 3-channel AC$400 Ne433Watts Up AC Electric-powered glider 2-3 channels 035 motorspano 52 in$450 No436Cruiser FF Emhryo Endurance robber-powerfon ship has hig-madel characterintics$200 No440Canalier AC Old-Timer-like now design fos hogewing foreasy flights 35 power 3-ch Two shts81725 No444Firehelt AC Pusher canard epurt/pattern uses 40 posher engino 4channel Has swept-forward foam wings$850 No4415/sA Miss America AC Old-limer ISA Texaco model 040 glow 2-channels$050 No452Gee BeeZ ACtluartnr-scalespanslltu in. uses 90 power Foursheets81800 No454Sweet P-36 FF Neat stick-and-tissoe Outdoor Auhher P-30class model isa confers-winner$200 No451Spectra AC Electric-power forOSsize motor unno 3 differeotwings sport soaring aerobatics$700 No4604-40ACShoulder-wjognporsflierfor4-cycle 40-size engine4 channels8850 No465Blue Mao II AC Fun-fly sporteterfor 40-nize engines spans 52 lightweight stmctore$700 No480Smoother CL Stunter 20/35 power Design hasad hyhrid Smoothie/Nobler8675 No476Strokec AC Mid-wing sportoter ones 40/45 four-stroke engine spans 50 tail-dragger8850 Na476Buttercup AC Cute elfin sportoter uses micro 2-ch AC pulse-rudder Spans 27 020/035 power8300 No487Cap 21 AC Scale Aerobatic planefor 40-size engine spans 62 Two thents$1000 Na488MB-i FF Jumbo Aubber Scale 1920-era Thomas Moron hiplane spans 37 in$500 No406Waukeoder AC Low-wing sport flier 20-true 4-stroke engine spans 47 in$575 Na4094-60 AC Doc Mathews great sportflier 60-size four-strokernegien opens 70 Two sheets$1275 Na506Fakker DVIII AC Sport Scale model WW monoplane unee 90 four-stroke engine spans 03 Two aheets81600 No501Eledecker CL Spoot scale model early 1APr11 monoplane power spans 23r/e in$200 No602Bill Wioters Vaakand FF Sport flier down-sized 02-powered version oft 840s cabin plane Spans 33 in$225 Ne563Buzzhot AC Slope-soarerspans 60 uoen2ACchannels$750 No504Turha lance II PP Aubber-powered scale model spans 19 in$150 Na505P-3B Ligletaing CLSport Scaleflghtertpans6s in. weiglo 10 lb uses twin 35s Two sheets$1175 No506Playmote AC Sport flier 3 AC channels 15/25-size engines spans 50 in8650 No607Hammmubird FF fist clans A/B competition plane won asthe 05 Nato8750 No5089-256 CL Pnefile scale WW II bomberfor twin engines spans 30 in8400 No509Roscue 18 PP fiend-Launched Glider features cumed 10-er wing OT8150 Ne510Stumper PP fiand-Launched Glider has angular 18-in wing OT$150 No611F-16CLfiprnfilescalefighterspans hastricyclelandioggear8200 No612Estra 230 AC Giant Scale acrobatic plane spans Oft uses quadra engine Two plan sheets$1650 Ne513Black Beauty AC Stop-soaring racer has foam wino 3-rh AC spane 114 in8750 No614Heary T AC Sportoterfer 2-3 channel AC spans 52 in. has adjustable wing flaps$475 No515Weotluad Whirlwind AC Sport Scale Whirl twin-engined fighterfor 10-size engines spans 55 Two plan sheets81150 Ne516Euney CL Stonterfor 40/46 power spans 58 in$675 Na517Faka Ford AC Spooster forthree engines 3-ch AC Spans 50 Two plan sheets$575 No518Preject P-i 3 PP Scale German 514W II flying wing pusher/tractorforrubber power spans 26 in$325 No519Gee Bee R-l CL Profile sport flier 25 engines spans 36 in$475 Na526Flijht Assistant Wheeled flight boo carries lets Two plan sheets$1150 No521Comet Jr Clipper Plus 35% AC Old-Timersportsterfor engine 2-cb AC spane 40 in$650 Na522Sarta Pitto AC Aeminder-scule bipe 40/60 engines straes 43 Two plan sheets$1050 Na523Dawowalker PP Superlight Onlimited/Mulvihill robber-powered cnmpetitien plane opens 42 m$400 Ne524Tesas Rat CLAnother mooed nersion Midwest Sport Aacerfor 40 esoines sparm 24 in$275 Na525Hi-Tech 2662 AC Canard dusted-fan 45 engines spans 38 Two sheets$1000 Na526Ki61 Itnia CL Mostly-cardboard sport-scale WW II Japanese fighter los 40 engine spans 60 Two plan sheets$1150 Na527Miss NJ AC World Champion PAl Pylon Aacer 40 engines spans 51 in8550 Na526Swallow AC lightweight hotdogger 40-size four-stroke engines spans 58 in8025 Na529PBY Catalina PP Skinny Scale two CO-2 motors Spans 32 All-sheet-balsa canstructiso8325 No527Tsunami CLProfile scale Aspans2l inches All-sheet-bane constwction8225 0 0 Al 0 cJ en0 -0 0 0 z0 en cr0 0 O t enCO en C nb rr 00 0 0 0 en0 0 en C en V 00 en 00 en 0 0 ME J 0 E0 m 05 CITY 00 N U Circle numbers plans wish order 193 .332 1 01 s 468 oE 50 z z 507 514 521 528 239 386 447 470 501 5a8 515 522 529 262302 414430 452454 478487 502503 509510 516517 523524 530531 S i 8 S i S i STREET 8 - STATE 310 433 457 488 504 511 518 525 532 314 438 460 490 505 512 519 526 533 Plan price includes first class postage US delivery Air Mail over 300 miles I Far orders outside US pleaso add $250 Air Mail 8125 surface mail 326 440 465 499 506 513 520 527 534 Make chock money order payable US foods Model Aviation AMA 1810 Samofil Morse Reston VA 22090 Please allow 3 6 weeks delivery Please print carefullyEnclosed $__________________________________ ZIP future 20% maximum However very few multi-engined airplanes flights error-free realism flight scores suffered badly unsteadiness roll altitude changes RC flight line enjoyed large crowds appreciative spectators applause well-done maneuver common Both Savoia Marchetti bombers dropped bombs Skip Masts parachuted cargo drop Hercules always brought enthusiastic response crowd Control spectators very good clear view thanks Narve Jensen Norwegian Aero Club well-run cham pionships thanks Hazel Sig-Hester generously supplying team shirts jackets Special thanks Mid Hudson RC Society financial support team fund Chal lenger/Kostecky Continued page 98 SAM contest Grand Island NY decided fly Challenger just fun day contest absolutely gorgeous brilliant blue sky green thermals everywhere could get up 400 ft work hard max out launched Chal lenger sporadic engine runs give 049s bad name After 5 minutes never 200 ft off ground plane plopped down pouted behind clump weeds second flight slightly richer setting saw old Challenger spiraling down several times just keep sight finally recording over 15 minutesa tad overkill 10minute max Boy pain neck rest day dollar time sniveled could have won could retire So much funnext year serious Balanced shown model flies great suspect center gravity CG could moved back some havent bothered plane super quiet evenings schoolyard all-out competitor can surpass its class SAM meet i sin S 0 S unvnCnen cLinees reac cenicnl iLLUsTrATeS race se SIX PACe PICK ECu SOUTneusren ru ARAnPeA~ i1I BuC-e Mirror 180 Model Aviation
Edition: Model Aviation - 1986/11
Page Numbers: 85, 86, 87, 88, 92, 93, 94, 176, 177, 178, 180
Scale World Championships An amazing variety Bob Dolly Wischer aircraft proto types represented Radio Control Control Line models Unlike some formeryears least RC winners circle dominated aircraft type NORWAY WAS THE HOST nation Ninth Scale World Championships action took place Kjeller Airport military field 20 miles northeast Oslo 17 nations competed47 airplanes Radio Control 13 Control Line large entry RC imposed quite burden contest management serious consideration given limiting flights two rounds end competitors given three flights contest came conclusion within allotted time because weather permitted another rain shower extra day would have needed Norwegian Aero Club organizers World Championships made some wise early decisions helped com press action five days judging done using five RC ffight judges CL static scoring CL judges RC static permitted RC flights begin before models judged Static judging began lineup winner RC Scale Max Merckenschlager Germany 1/4-scaie Bristol Scout aivina soan 73 Weight 113 lb engine lean 08 120 four-stroke Finish over lightly-dyed silk homemade dummy engine cast epoxy glass RC Scale 2nd place Wa WOfl Dy nunurusa eiiur OT wirzeriana wurn UI1-50 Lomet 1 /6-scale two 08 40 four-stroke engines Weight 1a12 lb finish ii auto lacquer Loft Dalotel Chris Foss England 1/4-scaie spans 82 weighs 94 lb finish Black Baron paint varnish overcoat RIght Australian team manager reads checklist before starting engines David Mastertons deHaviliand Drover Three Enys 40 four-stroke engInes center turning backwards power model finish paint over 0035 aluminum Left OflO Otifle iignxesi mooes EjUIIPPU CIUT55UflU UFIO MOm am wu lola gu unnu finish enamel over Solartex Right Carlo Mapelil italy haa modeled Mmarlcan umirulight homebulil ppy simple model could well World Championships competition against multi-engine airplanes engina nya 1 u Tour-airuKu models permit overview distance comparison purposes Showers interrupted static judging being done outdoors also early flights beginning flying could have used services Dave Brown Ron Hesselbrock flight-line bosses accelerate action fellows Nats Later week situation improved moving No 1 ready box point runway behind flight judges speeded action considerably future 60 70 entries can expected two sets judges will required some flight scores may suffer because unequal exposure threeflight schedule could easily have happened Oslo because entries expected arrived some dropouts among USSR RC teama major disappoint ment everyone evident Soviet team will appear until winning potential Considering small number aero club members available organization well-run meet two hotels nearest within walking distance airport about mile used headquarters setting im pressive Surrounding hills forested have hundreds pretty homesites slopes hotel located slight knoll spectacular views windows Everyone evening meal together large room Smaller side rooms popular spots social gatherings evenings Nor wegian Aircraft Museum specially opened evening almost everyone chance see collection 21 hours daylight July Oslo latitude evening activity wasnt limited Saturday night banquet party continued until 4 am well after daybreak Several nations made first-ever appear ances Scale WCamong Japanese mistaken impression would come champion ships until ready sweep top places definitely case really came learn enjoy themselves truly delight ful group above average models flying skills yet world-beating con tenders first-flight jitters same everyone settled down afterward show cham pionship material first flights exciting Okamotos Nieuport 11 takeoff almost wiping out judges scramble 86 Model Aviation maui compiax moasi UT maui mis r- ouiii DY Philip Avonds jet fighter pilot Belgium Twin KAB 75 engines spin Turbax rotors mounted fiberglass shrouds model made obechi plywood has foam wings its 1/9scale spans 57 Right BE-2c Jurgen Steinberger Germany hasa dummy engine turned milled aluminum hammered aluminum cowl Covering silk wingspan 1680 Left Vs-scale stinson Al rimotor oy ieva auger nag ma nignaststammcsuora ut Lou 00 5llUUU center 05 25 span go weight 1813 lb Homemade retracts use Rom-Air SM-79 Sparviero trimotor bomber Carlo Bergamaschi italy isi /9-scala weighs 13 lb uses mr. Left Skip Masts Lockheed NC-i 30B judging table Skip used modified Goldberg retracts main gear Rom gear nose foam 1/16-in lightweight balsa cover finish acrylic enamel over lightest-weight sllkspan Its 1/-scaie weighs 13 lb span 975 Right Australian Lloyd Dippel prepares start OS 120 GemIni twin 84-in-span Bowers Fly Baby Left Bengt Kailetrom Sweden built Klemm 35 1/5-scale Weight 10 lb 08 1 uu-wiuuiw PU U LU III UIU enamel over Polytex Right Wim Reynders Belgium modeled North American F-82B Twin tang Wingspan 177 irs sand two 08 40 FSRs provide power Wim produced own approved three-view drawing Balsa construgimon epoxy fiberglass finish quickly Nieuport repaired came back very presentable flights subsequent rounds surprisingly resilient aircraft Fortunately its Gemini engine escaped damage cartwheel landing other two airplanes Zero course T Furuta Republic P-47D25 S Takahara Japanese made inquiries about staging future World Championships country possibly 1990 Control Line Scale Soviet team expected unbeatable Valery Kramarenkos Antonov lost crash place Alex Pavlenko LI-2T copy Doug las DC-3 finished third First place again won Antonov AN-28 turboprop airliner Vladimir Fedosov high static score gave slight edge over Bulatnikovs biplane Air-i Soviet models showed highest type craftsmanship professional touch As past seemed two contests CL decide Russians would first second third another other placings US Jeff Perez Boeing B-17G overcame low static score excellent flights become leader Observers proclaimed flying best has ever done Ron Sears Stearman PT-17 enjoyed higher static score although 700 points less Paris able make reasonably good flight heavy mod el Julie Abels clipped wing Cub needed high flight scores augment low static Only few lost maneuvers prevented placing higher peculi arities CL scoring zero given models lines reach 450 prescribed number laps wondered about measurement angle Both Ron Julie victims zero maneuver Julies banner tow provided some scores 10 later flights higher judges de cided give scores both banner tow banner drop As female contestant Julies popularity resulted front-page newspaper photo Continued page 88 November 1986 87 MrJuvu uiur uarmgu oupwiln onips nsa gummy rotary engine revolves single bail bearing noseweight driven exhaust models Laser 90 four-stroke engine Nylon covering finished dope Humbroi paint Right Grum man Wildcat Switzerland Peter Muller has complex retracting gear Scale 1/65 engine 08 90 four-stroke Left /4-scale 13-lb PlUs S-2A Poul Munsberg Denmark powered 0 four-stroke engine silk-covered Simprop paint Right Mitsubishi A6M5 Zero Japan T Furuta used 08 SF 90 engIne external tank dropped flight Left colorful 1/6-scale Boeing PT-i 7 Soren Frederickason Sweden finished boat paint over Polytex engine Enya 120 four-stroke span 1s64 weighs 1 2/a lb Right VldarTolfsen Norway used Enya 90 four-stroke deHavilland Tiger Moth Mick Reeves England has now flown Scale World Championships prefers RC unable become team member returned earlier talent CL Zim 526 Akrobat model stored its travel box since last used 1974 returned service 12 years later first flight Mick discovered black rubber pickup tube inside fuel tank dis integrated model badly damaged flying inverted its second flight As expected four nations con testants CL event appeared destined reduced WC international contest make fully acceptable championship Norway became fifth nation entering semiscale Mustang Petter Harsem has done before Control Line World Championships unless something done preserve event may never another RC Scale US team suffering low static scores finished 10th 14th 22nd places static scoring positions 6th Steve Saugers Stinson Trimotor 23rd Skip Masts C130 Hercules 34th Cliff Tacies Trimotor Savoia Marchetti affectionately known spaghetti bomber large deficits make up 2Oto 30% bonuses applied flight scores Steves Stinson its 25% bonus three engines retracts conventional tail-dragger landing gear hope well competition would have needed near-perfect flight Small errors accumulate some can very damaging example take off scored 1 10 judge perfect takeoff can give score 50 10 five judges weighting multiplication K factor degree difficulty 10 producing total score 500 25% bonus 500 escalates 625 swerve takeoff run can substantially reduce score certainly advisable make takeoff landing perfectly maneuvers win lose FM Scale contests judges decide swerve reduced score five unlikely total maneuver alone will have lessened 312 points Steve Saugers Stinson Trimotor con sidered glamour machines contest attracted generous attention US entry found overweight supersensitive digital readout scale Steve solved problem substituting lighter 450 mAh battery pack larger cells model own examination static scoring reinforced belief Stinson deserved better place However must pointed out Steves documentation could have better Though Steves flying improved round 25% bonus couldnt overcome small errors flight Continued page 92 88 Model Aviation Left Cliff Tacles Savola Marchetti SM-Si 1/11-scale 85-in wingspan three K&B 35 engines Weight Ia 13 lb Finish Sig butyrate dope over Super Coverite Silkapun Covent wings Above Jean Roumseau France brought new Moynet Jupiterto Oslo An earlier model destroyed Lemourget 1984 Engines 08 40 FSR Covering sheet aluminum Skip Mast completely new Lock heed HC-1 30 Hercules Oslo Its 30% bonus highest meet Skips low static score largely result absence surface detail Modeling very large airplane Y16-scale affects amount detail can applied Engine prob lems affected flight scores engine stopped model rotated takeoff first flight judges gave credit three-engine flight although rule states engines must running takeoff given credit four-engine flight becomes question whether propeller still turning instant wheels parted runway cules flies very well three engines Augmented its 30% bonus highest flight scores three US models Taxi points lost K&B 35 engine needed restart before takeoff Two flights completed four engines running Cliff Tacies Savoia Marchetti Trimotor bomber given very low static score documentation consisted photos publication profile-type threeview drawing External details difficult reproduce apply large airplane reduced Yii-scale Cliff also engine problems first attempt model nosed over suddenly just ready lift runway flight engines throttled end taxi maneuver engine stopped restarted taxi points lost US team used radio equip ment furnished Airtronics same frequency could interchange transmitters necessary models equipped Airtronics smallest lightest servos important item mod els built up maximum weight allowed Radio problems nonexistent contestants throughout meet Seventeen biplanes entered championships first place -scale Bristol D Scout Max Merckenschlager West Germany flown muffled OS 120 four-stroke large-diameter propeller extreme quietness flights made low throttle settings further reduced ex haust noise Max already accumulated enough points very first flight win event flying technique very steady no unnecessary changes Left S Takahara Japan used 05 61 Republic P-47-D25 Thunderbolt Complexcontrais forthe sliding canopyand bomb drop Right 1 /6-scaie Fokker instructor S-i 1-1 William Noordegraaf Netheriandsscratch-bulit varnish over silk paint 92 Model Aviation US team L-R Julie Abel Piper J-3 Jeff Perez Boeing B-i 7G Ron Sears Stearman PT-i 7 MlkeGretzasst team manager Dolly Wischerteam manager SteveSaugerStin son Tn motor Skip Mast Lockheed Hercules Cliff Tacie Savola Marchetti SMSI Left Peter Miii Canada deHavilland Chipmunk built Bob Holman plans Peter made own fiberglass fuselage foam wings its 1 /6-scale spans 68 weighs ge lb uses Supertigre 61 finish KAB epoxy overCoverite Above 1/4 scale Bucker Jungmeister Jarno Helasuc Finland finished Coverite enamel engine Enya 120 four-stroke altitude direction absolutely no errors Remarkably accomplished using biplane undercambered airfoil airplanes dyed silk cov ering clear dope finish gave ap pearance light weight fact built up 6kg weight limit realistic dummy engine crankcase formed epoxy fiberglass silicone molds other pilots counting better weather improved flying conditions later rounds hope steadier hand controls Max contest won first day flying second place deHavilland 88 Comet Hansruedi Zeller Switzer land first seen La Bourget 1984 made some improvements notably throttle trim system possible steer taxiing changing individual settings two 0S 40 fourstroke engines also capability synchronize engine rpm air system model very steady during flight being racer could flown quite fast losing realism points Hansruedis dive straight flight below six meters altitude always thrill watch addition being excellent pilot also master showman Also Switzerland third place Let Vladimir Boulatnikov USSR 2nd CL Scale Air 1 Webra 61 dummy Blackburn Cirrus engine working valve rockers belt-driven An animated dummy pilot salutes turns Its head Right Four years effort team professionals produced LI-2T Douglas DC-3 look-alike flown 3rd place Alexandr Pavienko USSR Engines handmade specials Left Marlan lazirod Poland second-highest flight scores CL very low static score Model isa Zlin SOL Harlan uses Webra 61 engine haul model around Right Hick Reeves England resurrected venerable Ziin Akrobat built 1969 entered three Control Line World Championships 1970 1972 1974 flown since met Its fate crash inverted November 1986 93 Firs piace ionrroi Line G8I6 weawun again u ,ilr Fedesovof USSR Antonov AN-28 turboprop airliner pair speckany-made 60 engines bevel gear drives fitted narrow nacelles Reversible-pitch props used taxiing Len wecironlcrnrouie tiaps drop tank homemade retracts 15-lb model covered 005 aluminum iitho plate Hastwo lruru viuginwa hIs Boeing B-i 70 75-in span 12 lb four 0S 25 engInes three Worli Left AdsHavilland OH-OS Mosquito Loch Podgorskl Poland used two Webra 40 engines hasfiown Worid Champs Right Ron Sears PT-i 7 Stearman Kaydet 181 /6-scais 641/2-in span Supertlgre 60 FInish Randoiph dope enamei over Coverite Bucker Jungmeister Konrad Qetiker highest static score Mistakes bad landing damaged landing gear kept scores low first two flights Konrad returned finish excellent third round also gave Swiss team first place Biplanes proving real contenders Five first nine places biplanes Chris Foss England 82-inspan -scale Dalotel proved aero batic monoplane could contend biplanes also made clear twostroke 60 engine well muffled could match four-strokes quietness OS 60 FSR carried large model dif ficulty respect Dalotel different weighed 43kg 95 lb Chris model well under maximum weight chosen different route success Two years ago David Masterton Australia come Paris victory trimotor deHavilland Drover very high flight scores Oslo static score slipped down ward different set judges Dave arrived early done Paris foam-and-balsa practice trimotor airplane cut seven pieces transportation good practice field wasnt available Dave made couple flights before competition began meticulous professional pilot has team manager read off 10-item checklist before flight engines 05 40 four-strokes center engine having reverse rotation provide straight-line 500-point takeoff necessary win ning effort course also means needs reversing switch starter motor center engine well lefthand prop model completely cov ered aluminum alloy sheet 003 5 thick specially rolled hardness pre vent handling damage contact adhesive used fasten aluminum 2-in balsa substratum rivet detail embossed aluminum rear Washout seven degrees Drovers tapered wings provides stability slow speeds Daves slow steady flights attest its value First ducted-fan model complete flight Scale World Championships McDonnell-Douglas F-15C Eagle Philip Avonds Belgium twin K&B 75 engines used tuned pipes because model already 6kg weight limit first flight Oslo also models first everyones surprise performed perfectly until engine quit landing heavy its carbon-fiber landing gears damaged Philip made hasty repairs carbon fiber model designed scratch-built Avonds using obechi plywood balsa foam wings wings complex airfoil faithfully reproduced semi-symmetrical section root sharp washout twist thin undercambered tips Rotors Tar bax shrouds stators made layer 5-oz fiberglass cloth models exterior finished glass cloth epoxy paint furnished factory its second flight vibration engine caused rotor shifting off center third flight same problem fractured crankshaft complete Continued page 176 94 Model Aviation Lert JUlIO RDI5 oanner tow clipped wing Piper Cub earned high flight scores model orIginated Sig kit its engine 08 40 FSR span 57 its finished Covent dope Above Henryk Stecyk Poiand used US prototype OV-1 OA Bronco CL Scale Two Webra Speed 61. J ur ngIanu umug pair U5 .n engines tor nis uougias L-4A UaKOta nag uAgwileht flights unfortunateiy iow static score cancelied out effort time chase retrieve everyone get three flights Several latecomers caught unawares missed 700-to-800 am round out Another several launch line 750 furiously winding shouting timers no avail Motors popping shreds flying whistle went off schedule close round part flying low key very high quality hordes camera bugs launch along lots ofjolly good advice thermal picking let go going round cheers successful groans various inevitable smushes Conditions field could have better tem perature 90s rather usual 110 very low humidity slight drift early generally benign thermalsalthough eight models dis appeared overhead during memorable boomer Genial Jim Adams maxed-out Gor don S Light replica win first place closely followed Bob Langdons latter day Light played game winners since contest unique its ingredients its vintage quality its spirit being US team flying Wakefield against inter national entry truly great site thrill enough word unforget table As bottom line 50th reenactment 1937 Wakefield Cup contest will held Old Warden England already shuffling paper bank preparation Scale WC/Wischers Continued page 94 flights models sixth-place finish could have much improvedhelped high static score 20% bonus Three biplanes finished 7th 8th 9th placesa BE-2c Jurgen Steinberger W Germany DH-82 Tiger Moth Kjell-Ake Elofsson Sweden Sorrel Guppy ultralight Carlo Mapelli Italy Guppy model reversion past model simple airplane well done detail reproduced minia ture could contender first place BOX 429SKYLAND N C28776 THE DIFFERENT FOAM MODEL Lowest Cost Modeling 3 3 Send Si 00 latest fine-grain sheet foam 3 developments foam samples FREE foam 3 sources Hard Shell finishes now Ilable Dozens easy build foam air plane plans Peanuts RIC FOAM SCALE MODELS Box 662MA St Croix Falls WI 54024 III 0CS Antique Military Civiliart Helicopier8 Sailpianes color FOTOPAAKSKOKU-FAN 3-vIews 40OCO pictures stock2000 drawinqa siock Vacation I Handy Disney World l0oR LD Kennedy Space Center rest Florida 3 Bedrooms sleeps 8 Kitchen A/C Pool Ttnnis lots R/C flying Nov-May $500 ink / June-Oct 1400 ink / isightly & monthly rates also available 007 528-4e43 176Model Aviation PRESENTING FL INGER THE ULTIMATE SMALL SAILPLANE HANDLAUNCH HI-STARTorSLOPE WINGSPAN 57 WEIGHT l2oz MACHINECUT PARTS DEALERS&DIST INQUIRIES INVITEDFLINGER LJMP 110 $2995 ELECTRA L ITE-iCARUS-PANTERA METEOR-ELECTRICUS-WHISTLER PR ELUDE-COMET LARRY JOLLY MODEL PRODUCTS 5501 W COMO SANTA ANA CALIFORNIA 92703 714 826 6861 PUZZLED CALL MATT No time build Mutt itlil hove time. know 1 Complete Call 9am -8 pm lEST 2 Semi-Assembled609-395-1672 Irsady cover sandedi Malts Model BuildingPG Box U 1 Stockton Drive Crmnbnrv NJ 93512 Rate cards available reel SASE 14-1/8o9-1/21 also build Cars louts FLYING NEAR AIRPORTS BE CAREFUL PROTECT YOUR RIGHT TO FLY Safe Flying No Accident LAThES INS MACHINe IN SlOP tUPPLIES the Aviation Medal //OMACHINERY AN5JLS $1308-5838I vOle,, ,vOrf,r,doo adqvI QUALITY FREE FLIGHT KITS AND SUPPLIES FOR COMPETITION AND SPORT SINCE 1975 Dealer inquiriesCatalog SOt invited .BLUE RIDGE MODELS rMoRE POWER WITH LESS NOISE four-cycle measuring up expectations read Make engine before Make 60 120 four-stroke less means 1 Quieter glow 2 More mellow sounding four-cycle 3 More usable power both 4 Highest power-to-weight ratio 5 The lowest idle ever 6 Increase mileage up 4 times 7 Runs cooler glow 8 No glowplugs fail 9 Increased reliability 10 Fuel available concentrate Conversion kits available 049 30 cid Schnuerle ported engines Its sim ple just change heads fuel What waiting Dust off two-cycle DIESELIZE Send self-addressed stamped enve lope 60 information call 203-877-1670 between 730 pm 930 pm EST DAVIS DIESEL DEVELOPMENT PO Box 141 Milford CT 06460 leader quiet combustion technolo since 1976 Carlo predicted simple airplane could beat complex US multi-engined aircraft correctwith 10% bonus biplane tail-dragger static score among highest very difficult judges find fault ultra-simple model Carlo needed good flight Static judging done outdoors model being presented viewing contestants helpers model viewed sides including bottom done distance three meters nearest part model Since judges models moved small models received little less scrutiny Judging surface texture crafts manship scale detail done distance meter Balsa sticks 1 meter length carried judge assure came too close US judge George Buso acted chief judge RC static scoring also CL flights lack US judge RC flight line source some consternation US con testants especially after seeing low static scores well low first-flight scores some question favor itism being shown two judges would fIt4P little device sounds beep guide right plane Easily mounts smallest planes Use connector plug receiver same servo Also tells someone frequency solid state crystal oscillator Comes ready mount full structions included WT 1 oz DIM 1 x2 3/8 x IN USA CLUB DISCOUNTS AVAILABLE * ASK * SEND CHECK OR MONEY ORDER TO ELECTRONIC DESIGNS INC BOX Z 1925 GREENWOOD LK TPK HEWITT NEW JERSEY 07421 PHONE 201 728-1616 Plus $200 Shipping cont USA NJ Residents add 6% Sales Tax COD add $200 Allow 2 wks Shipping November 1986 177 9 ONLY onding advertisers mention read about Model Aviation rAlV V JD X ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX Academy Aviation R&D147 Ace Radio Control14 Aerodrome Models Ltd138 Aerospace Composite Products145 Airtronics2 Altech Marketing19 American Jr Aircraft Co166 Applied Design Corp135 Astro Flight10 Quay Barber Models166 Beer Can Bombers180 Bell Rock Industries146 Blue Ridge Machinery & Tools176 Blue Ridge Models176 Dave Brown Products34 Bru Line Industries140 Byron Originals147 Carolina Model & Hobby Expo172 Carolina-Taffinder166 Johnnie Casburn Mfg145 Circus Hobbies152-153 Cleveland Model Supply168 Eric Clutton22 Consumers Guide150 Coverite23 139 Cox Hobbies1 DGA Designs154 171 Davis Diesel Development176 Dodgson Designs168 Dougs Hobby Shop156-161 Du-Bro Products Inc162 Dynathrust Props163 Electronic Design Corp177 FAI Model Supply138 FHS Supply Inc4 Flyline Models166 Foam Scale Models176 Fourmost Products140 Fox Mfg146 Futaba Corp America21 GM Precision Products84 Gator RC Products134 Geometron Co145 Carl Goldberg Models83 Golden Era Plans167 Golden Gate East165 Gorham Model Products90-91168 Great Planes Model Mfg Co164 Harry B Higley & Sons175 Haviland Aircraft151 Helicopters Unlimited5 Historic Aviation17 Hobby Barn 137 Hobby Horn146 Hobby Lobby International175 Hobby Woods154 lkonNW146 Indy RC Sales Inc142-144 JTec174 Larry Jolly Model Products176 Jomar165 K&B Mfg165 K&S Engineering175 Kookaburra Technical Publications178 Kustom Kraftsmanship165 Lake Enterprises164 Leisure Electronics89 Lone Star Models18 MACS Products165 Matts Model Airplanes176 McDaniel RC Service14 Messers Quality Model Prod154 Micro Mark12-13 Micro Model Engineering135 Model Products Corp166 Model Rectifier CorpCovers 2 & 3 Sid Morgan Plans174 Morley USA170 Mutchlers Hobbies148-149 NEPRO168 Northeast Screen Graphics167 PK Products170 Pacer Technology177 Pelican Enterprises175 Penn Valley Hobby Center166 Pica Products9 Plasticote179 Polks Hobby6-7 Progress Mfg Co8 Pro-Tune Corp34 RC Buyers Guide171 RC Extras138 RC Vacation176 Radio South151 Repla-Tech International22 Robbe Modellsport155 Roush Mfg22 SR Batteries173 Sachs TG167 Sagan Industries164 Satellite City135 Scale Model Research176 Sermos RC Snap Connectors172 Shamrock Competition Imports173 Sheldons Hobby Shop20 Sig Mfg Co163 Bob Smith Industries150 170 Super Cyclone Engines138 Swanson Assoc150 RC Sweitzer Enterprises141 T&D Research Associates20 Tatone Products Co173 Top Flite Models Inc140 Tower Hobbies169 Tru-Turn22 VL Products18 Victor Engineering174 WE Technical Services8 Wandit Mfg168 Williams Brothers34 Wilshire Model Center163 Windsor Propeller Co151 Wing Mfg Co10 World Engines141 Cover 4 Yale Hobby Mfg Inc15 Zenith Aviation99 Nick Ziroli Models134 score 4 maneuver other three 9 Nationalism has seen before resulted banning individuals future judging individual score sheets flight will critically analyzed host nation determine whether such action needed future 20% maximum bonus will definitely affect choice model type bonus biplanes undercam bered airfoil has eliminated Some contestants multi-engined models formed opinion judges already discounting scores 178 Model Aviation Now available THE WORLDS VINTAGE SAILPLANES 1908-45 Martin Simons Hard bound 176 pages quality paper 248 beautiful black white photos plus 65 color plates nearly 100 finely detailed scale drawings magniti cent collection rare information classic old timers SPECIAL CONESS1ON OFFER FROM THE PUBLISHER ONLY avail able readers send us 2 International Reply Coupons Ask Post Office will airmail free color brochure price details tell order Write now KOOKABURRA TECHNICAL PUBLICATIONS Pty Ltd P0 Box 648 Dandenong 3175 Victoria Australia No 531Terrible Coupe$475 FF Rubber-power Coupe dHiver spans 48 No 532Baby Bird$400 CL Tiny Stunter uses 049 diesel/glow spans 34Ain No 533Cessna C-37$500 RC Scaler 30s plane 049110 power 2-ch spans 421Ain No 5341938 Challenger$550 RC Y2A Texaco Old-Timer spans 47Y2 O49engine 2-chRC No193Stiletto CL Stunt model McDonald winner 197819801982 PAl World Champs$375 No239Blue Birds AC Ken Willards formation plane 4-channel 10/15 power$ No262Crashmaster CL Crash-proof trainer two sizen15/30 35/40 power8125 No302Mini P-i 6 AC Sarpolos 049 ducted-fan sport flierfor 2-channel Balsa wings tail lose otmotere$275 No3101939 Fleet Biplone AC Sport Scale 35/404-channel Wingspan 56 Vs scale Two sheets$825 No314Oroke II AC Ken Willards flying hoat foe 3-channel 15-power fly land rornovable tear$375 No326Taylor Cab AC Don SmIls Schoolyaed-Scale 049s2-3 channel Spans SOin*350 No332Zephyr AC Small 2-channel gliderforhand-launchortow thermal orolope soaring$280 No396Laser206 AC Sport Scale replica championship Aerohatic ffier Uses 40 power 4-5 channel Two sheets$t075 Ne414Electric Spunky AC Electric-powered ton flierfor 05 motor 3-channel AC scaled-op t939 robber-pewerfanorite$050 Ne430Irooside AC Zippy little sportoterfor 10115 power 3-channel AC$400 Ne433Watts Up AC Electric-powered glider 2-3 channels 035 motorspano 52 in$450 No436Cruiser FF Emhryo Endurance robber-powerfon ship has hig-madel characterintics$200 No440Canalier AC Old-Timer-like now design fos hogewing foreasy flights 35 power 3-ch Two shts81725 No444Firehelt AC Pusher canard epurt/pattern uses 40 posher engino 4channel Has swept-forward foam wings$850 No4415/sA Miss America AC Old-limer ISA Texaco model 040 glow 2-channels$050 No452Gee BeeZ ACtluartnr-scalespanslltu in. uses 90 power Foursheets81800 No454Sweet P-36 FF Neat stick-and-tissoe Outdoor Auhher P-30class model isa confers-winner$200 No451Spectra AC Electric-power forOSsize motor unno 3 differeotwings sport soaring aerobatics$700 No4604-40ACShoulder-wjognporsflierfor4-cycle 40-size engine4 channels8850 No465Blue Mao II AC Fun-fly sporteterfor 40-nize engines spans 52 lightweight stmctore$700 No480Smoother CL Stunter 20/35 power Design hasad hyhrid Smoothie/Nobler8675 No476Strokec AC Mid-wing sportoter ones 40/45 four-stroke engine spans 50 tail-dragger8850 Na476Buttercup AC Cute elfin sportoter uses micro 2-ch AC pulse-rudder Spans 27 020/035 power8300 No487Cap 21 AC Scale Aerobatic planefor 40-size engine spans 62 Two thents$1000 Na488MB-i FF Jumbo Aubber Scale 1920-era Thomas Moron hiplane spans 37 in$500 No406Waukeoder AC Low-wing sport flier 20-true 4-stroke engine spans 47 in$575 Na4094-60 AC Doc Mathews great sportflier 60-size four-strokernegien opens 70 Two sheets$1275 Na506Fakker DVIII AC Sport Scale model WW monoplane unee 90 four-stroke engine spans 03 Two aheets81600 No501Eledecker CL Spoot scale model early 1APr11 monoplane power spans 23r/e in$200 No602Bill Wioters Vaakand FF Sport flier down-sized 02-powered version oft 840s cabin plane Spans 33 in$225 Ne563Buzzhot AC Slope-soarerspans 60 uoen2ACchannels$750 No504Turha lance II PP Aubber-powered scale model spans 19 in$150 Na505P-3B Ligletaing CLSport Scaleflghtertpans6s in. weiglo 10 lb uses twin 35s Two sheets$1175 No506Playmote AC Sport flier 3 AC channels 15/25-size engines spans 50 in8650 No607Hammmubird FF fist clans A/B competition plane won asthe 05 Nato8750 No5089-256 CL Pnefile scale WW II bomberfor twin engines spans 30 in8400 No509Roscue 18 PP fiend-Launched Glider features cumed 10-er wing OT8150 Ne510Stumper PP fiand-Launched Glider has angular 18-in wing OT$150 No611F-16CLfiprnfilescalefighterspans hastricyclelandioggear8200 No612Estra 230 AC Giant Scale acrobatic plane spans Oft uses quadra engine Two plan sheets$1650 Ne513Black Beauty AC Stop-soaring racer has foam wino 3-rh AC spane 114 in8750 No614Heary T AC Sportoterfer 2-3 channel AC spans 52 in. has adjustable wing flaps$475 No515Weotluad Whirlwind AC Sport Scale Whirl twin-engined fighterfor 10-size engines spans 55 Two plan sheets81150 Ne516Euney CL Stonterfor 40/46 power spans 58 in$675 Na517Faka Ford AC Spooster forthree engines 3-ch AC Spans 50 Two plan sheets$575 No518Preject P-i 3 PP Scale German 514W II flying wing pusher/tractorforrubber power spans 26 in$325 No519Gee Bee R-l CL Profile sport flier 25 engines spans 36 in$475 Na526Flijht Assistant Wheeled flight boo carries lets Two plan sheets$1150 No521Comet Jr Clipper Plus 35% AC Old-Timersportsterfor engine 2-cb AC spane 40 in$650 Na522Sarta Pitto AC Aeminder-scule bipe 40/60 engines straes 43 Two plan sheets$1050 Na523Dawowalker PP Superlight Onlimited/Mulvihill robber-powered cnmpetitien plane opens 42 m$400 Ne524Tesas Rat CLAnother mooed nersion Midwest Sport Aacerfor 40 esoines sparm 24 in$275 Na525Hi-Tech 2662 AC Canard dusted-fan 45 engines spans 38 Two sheets$1000 Na526Ki61 Itnia CL Mostly-cardboard sport-scale WW II Japanese fighter los 40 engine spans 60 Two plan sheets$1150 Na527Miss NJ AC World Champion PAl Pylon Aacer 40 engines spans 51 in8550 Na526Swallow AC lightweight hotdogger 40-size four-stroke engines spans 58 in8025 Na529PBY Catalina PP Skinny Scale two CO-2 motors Spans 32 All-sheet-balsa canstructiso8325 No527Tsunami CLProfile scale Aspans2l inches All-sheet-bane constwction8225 0 0 Al 0 cJ en0 -0 0 0 z0 en cr0 0 O t enCO en C nb rr 00 0 0 0 en0 0 en C en V 00 en 00 en 0 0 ME J 0 E0 m 05 CITY 00 N U Circle numbers plans wish order 193 .332 1 01 s 468 oE 50 z z 507 514 521 528 239 386 447 470 501 5a8 515 522 529 262302 414430 452454 478487 502503 509510 516517 523524 530531 S i 8 S i S i STREET 8 - STATE 310 433 457 488 504 511 518 525 532 314 438 460 490 505 512 519 526 533 Plan price includes first class postage US delivery Air Mail over 300 miles I Far orders outside US pleaso add $250 Air Mail 8125 surface mail 326 440 465 499 506 513 520 527 534 Make chock money order payable US foods Model Aviation AMA 1810 Samofil Morse Reston VA 22090 Please allow 3 6 weeks delivery Please print carefullyEnclosed $__________________________________ ZIP future 20% maximum However very few multi-engined airplanes flights error-free realism flight scores suffered badly unsteadiness roll altitude changes RC flight line enjoyed large crowds appreciative spectators applause well-done maneuver common Both Savoia Marchetti bombers dropped bombs Skip Masts parachuted cargo drop Hercules always brought enthusiastic response crowd Control spectators very good clear view thanks Narve Jensen Norwegian Aero Club well-run cham pionships thanks Hazel Sig-Hester generously supplying team shirts jackets Special thanks Mid Hudson RC Society financial support team fund Chal lenger/Kostecky Continued page 98 SAM contest Grand Island NY decided fly Challenger just fun day contest absolutely gorgeous brilliant blue sky green thermals everywhere could get up 400 ft work hard max out launched Chal lenger sporadic engine runs give 049s bad name After 5 minutes never 200 ft off ground plane plopped down pouted behind clump weeds second flight slightly richer setting saw old Challenger spiraling down several times just keep sight finally recording over 15 minutesa tad overkill 10minute max Boy pain neck rest day dollar time sniveled could have won could retire So much funnext year serious Balanced shown model flies great suspect center gravity CG could moved back some havent bothered plane super quiet evenings schoolyard all-out competitor can surpass its class SAM meet i sin S 0 S unvnCnen cLinees reac cenicnl iLLUsTrATeS race se SIX PACe PICK ECu SOUTneusren ru ARAnPeA~ i1I BuC-e Mirror 180 Model Aviation
Edition: Model Aviation - 1986/11
Page Numbers: 85, 86, 87, 88, 92, 93, 94, 176, 177, 178, 180
Scale World Championships An amazing variety Bob Dolly Wischer aircraft proto types represented Radio Control Control Line models Unlike some formeryears least RC winners circle dominated aircraft type NORWAY WAS THE HOST nation Ninth Scale World Championships action took place Kjeller Airport military field 20 miles northeast Oslo 17 nations competed47 airplanes Radio Control 13 Control Line large entry RC imposed quite burden contest management serious consideration given limiting flights two rounds end competitors given three flights contest came conclusion within allotted time because weather permitted another rain shower extra day would have needed Norwegian Aero Club organizers World Championships made some wise early decisions helped com press action five days judging done using five RC ffight judges CL static scoring CL judges RC static permitted RC flights begin before models judged Static judging began lineup winner RC Scale Max Merckenschlager Germany 1/4-scaie Bristol Scout aivina soan 73 Weight 113 lb engine lean 08 120 four-stroke Finish over lightly-dyed silk homemade dummy engine cast epoxy glass RC Scale 2nd place Wa WOfl Dy nunurusa eiiur OT wirzeriana wurn UI1-50 Lomet 1 /6-scale two 08 40 four-stroke engines Weight 1a12 lb finish ii auto lacquer Loft Dalotel Chris Foss England 1/4-scaie spans 82 weighs 94 lb finish Black Baron paint varnish overcoat RIght Australian team manager reads checklist before starting engines David Mastertons deHaviliand Drover Three Enys 40 four-stroke engInes center turning backwards power model finish paint over 0035 aluminum Left OflO Otifle iignxesi mooes EjUIIPPU CIUT55UflU UFIO MOm am wu lola gu unnu finish enamel over Solartex Right Carlo Mapelil italy haa modeled Mmarlcan umirulight homebulil ppy simple model could well World Championships competition against multi-engine airplanes engina nya 1 u Tour-airuKu models permit overview distance comparison purposes Showers interrupted static judging being done outdoors also early flights beginning flying could have used services Dave Brown Ron Hesselbrock flight-line bosses accelerate action fellows Nats Later week situation improved moving No 1 ready box point runway behind flight judges speeded action considerably future 60 70 entries can expected two sets judges will required some flight scores may suffer because unequal exposure threeflight schedule could easily have happened Oslo because entries expected arrived some dropouts among USSR RC teama major disappoint ment everyone evident Soviet team will appear until winning potential Considering small number aero club members available organization well-run meet two hotels nearest within walking distance airport about mile used headquarters setting im pressive Surrounding hills forested have hundreds pretty homesites slopes hotel located slight knoll spectacular views windows Everyone evening meal together large room Smaller side rooms popular spots social gatherings evenings Nor wegian Aircraft Museum specially opened evening almost everyone chance see collection 21 hours daylight July Oslo latitude evening activity wasnt limited Saturday night banquet party continued until 4 am well after daybreak Several nations made first-ever appear ances Scale WCamong Japanese mistaken impression would come champion ships until ready sweep top places definitely case really came learn enjoy themselves truly delight ful group above average models flying skills yet world-beating con tenders first-flight jitters same everyone settled down afterward show cham pionship material first flights exciting Okamotos Nieuport 11 takeoff almost wiping out judges scramble 86 Model Aviation maui compiax moasi UT maui mis r- ouiii DY Philip Avonds jet fighter pilot Belgium Twin KAB 75 engines spin Turbax rotors mounted fiberglass shrouds model made obechi plywood has foam wings its 1/9scale spans 57 Right BE-2c Jurgen Steinberger Germany hasa dummy engine turned milled aluminum hammered aluminum cowl Covering silk wingspan 1680 Left Vs-scale stinson Al rimotor oy ieva auger nag ma nignaststammcsuora ut Lou 00 5llUUU center 05 25 span go weight 1813 lb Homemade retracts use Rom-Air SM-79 Sparviero trimotor bomber Carlo Bergamaschi italy isi /9-scala weighs 13 lb uses mr. Left Skip Masts Lockheed NC-i 30B judging table Skip used modified Goldberg retracts main gear Rom gear nose foam 1/16-in lightweight balsa cover finish acrylic enamel over lightest-weight sllkspan Its 1/-scaie weighs 13 lb span 975 Right Australian Lloyd Dippel prepares start OS 120 GemIni twin 84-in-span Bowers Fly Baby Left Bengt Kailetrom Sweden built Klemm 35 1/5-scale Weight 10 lb 08 1 uu-wiuuiw PU U LU III UIU enamel over Polytex Right Wim Reynders Belgium modeled North American F-82B Twin tang Wingspan 177 irs sand two 08 40 FSRs provide power Wim produced own approved three-view drawing Balsa construgimon epoxy fiberglass finish quickly Nieuport repaired came back very presentable flights subsequent rounds surprisingly resilient aircraft Fortunately its Gemini engine escaped damage cartwheel landing other two airplanes Zero course T Furuta Republic P-47D25 S Takahara Japanese made inquiries about staging future World Championships country possibly 1990 Control Line Scale Soviet team expected unbeatable Valery Kramarenkos Antonov lost crash place Alex Pavlenko LI-2T copy Doug las DC-3 finished third First place again won Antonov AN-28 turboprop airliner Vladimir Fedosov high static score gave slight edge over Bulatnikovs biplane Air-i Soviet models showed highest type craftsmanship professional touch As past seemed two contests CL decide Russians would first second third another other placings US Jeff Perez Boeing B-17G overcame low static score excellent flights become leader Observers proclaimed flying best has ever done Ron Sears Stearman PT-17 enjoyed higher static score although 700 points less Paris able make reasonably good flight heavy mod el Julie Abels clipped wing Cub needed high flight scores augment low static Only few lost maneuvers prevented placing higher peculi arities CL scoring zero given models lines reach 450 prescribed number laps wondered about measurement angle Both Ron Julie victims zero maneuver Julies banner tow provided some scores 10 later flights higher judges de cided give scores both banner tow banner drop As female contestant Julies popularity resulted front-page newspaper photo Continued page 88 November 1986 87 MrJuvu uiur uarmgu oupwiln onips nsa gummy rotary engine revolves single bail bearing noseweight driven exhaust models Laser 90 four-stroke engine Nylon covering finished dope Humbroi paint Right Grum man Wildcat Switzerland Peter Muller has complex retracting gear Scale 1/65 engine 08 90 four-stroke Left /4-scale 13-lb PlUs S-2A Poul Munsberg Denmark powered 0 four-stroke engine silk-covered Simprop paint Right Mitsubishi A6M5 Zero Japan T Furuta used 08 SF 90 engIne external tank dropped flight Left colorful 1/6-scale Boeing PT-i 7 Soren Frederickason Sweden finished boat paint over Polytex engine Enya 120 four-stroke span 1s64 weighs 1 2/a lb Right VldarTolfsen Norway used Enya 90 four-stroke deHavilland Tiger Moth Mick Reeves England has now flown Scale World Championships prefers RC unable become team member returned earlier talent CL Zim 526 Akrobat model stored its travel box since last used 1974 returned service 12 years later first flight Mick discovered black rubber pickup tube inside fuel tank dis integrated model badly damaged flying inverted its second flight As expected four nations con testants CL event appeared destined reduced WC international contest make fully acceptable championship Norway became fifth nation entering semiscale Mustang Petter Harsem has done before Control Line World Championships unless something done preserve event may never another RC Scale US team suffering low static scores finished 10th 14th 22nd places static scoring positions 6th Steve Saugers Stinson Trimotor 23rd Skip Masts C130 Hercules 34th Cliff Tacies Trimotor Savoia Marchetti affectionately known spaghetti bomber large deficits make up 2Oto 30% bonuses applied flight scores Steves Stinson its 25% bonus three engines retracts conventional tail-dragger landing gear hope well competition would have needed near-perfect flight Small errors accumulate some can very damaging example take off scored 1 10 judge perfect takeoff can give score 50 10 five judges weighting multiplication K factor degree difficulty 10 producing total score 500 25% bonus 500 escalates 625 swerve takeoff run can substantially reduce score certainly advisable make takeoff landing perfectly maneuvers win lose FM Scale contests judges decide swerve reduced score five unlikely total maneuver alone will have lessened 312 points Steve Saugers Stinson Trimotor con sidered glamour machines contest attracted generous attention US entry found overweight supersensitive digital readout scale Steve solved problem substituting lighter 450 mAh battery pack larger cells model own examination static scoring reinforced belief Stinson deserved better place However must pointed out Steves documentation could have better Though Steves flying improved round 25% bonus couldnt overcome small errors flight Continued page 92 88 Model Aviation Left Cliff Tacles Savola Marchetti SM-Si 1/11-scale 85-in wingspan three K&B 35 engines Weight Ia 13 lb Finish Sig butyrate dope over Super Coverite Silkapun Covent wings Above Jean Roumseau France brought new Moynet Jupiterto Oslo An earlier model destroyed Lemourget 1984 Engines 08 40 FSR Covering sheet aluminum Skip Mast completely new Lock heed HC-1 30 Hercules Oslo Its 30% bonus highest meet Skips low static score largely result absence surface detail Modeling very large airplane Y16-scale affects amount detail can applied Engine prob lems affected flight scores engine stopped model rotated takeoff first flight judges gave credit three-engine flight although rule states engines must running takeoff given credit four-engine flight becomes question whether propeller still turning instant wheels parted runway cules flies very well three engines Augmented its 30% bonus highest flight scores three US models Taxi points lost K&B 35 engine needed restart before takeoff Two flights completed four engines running Cliff Tacies Savoia Marchetti Trimotor bomber given very low static score documentation consisted photos publication profile-type threeview drawing External details difficult reproduce apply large airplane reduced Yii-scale Cliff also engine problems first attempt model nosed over suddenly just ready lift runway flight engines throttled end taxi maneuver engine stopped restarted taxi points lost US team used radio equip ment furnished Airtronics same frequency could interchange transmitters necessary models equipped Airtronics smallest lightest servos important item mod els built up maximum weight allowed Radio problems nonexistent contestants throughout meet Seventeen biplanes entered championships first place -scale Bristol D Scout Max Merckenschlager West Germany flown muffled OS 120 four-stroke large-diameter propeller extreme quietness flights made low throttle settings further reduced ex haust noise Max already accumulated enough points very first flight win event flying technique very steady no unnecessary changes Left S Takahara Japan used 05 61 Republic P-47-D25 Thunderbolt Complexcontrais forthe sliding canopyand bomb drop Right 1 /6-scaie Fokker instructor S-i 1-1 William Noordegraaf Netheriandsscratch-bulit varnish over silk paint 92 Model Aviation US team L-R Julie Abel Piper J-3 Jeff Perez Boeing B-i 7G Ron Sears Stearman PT-i 7 MlkeGretzasst team manager Dolly Wischerteam manager SteveSaugerStin son Tn motor Skip Mast Lockheed Hercules Cliff Tacie Savola Marchetti SMSI Left Peter Miii Canada deHavilland Chipmunk built Bob Holman plans Peter made own fiberglass fuselage foam wings its 1 /6-scale spans 68 weighs ge lb uses Supertigre 61 finish KAB epoxy overCoverite Above 1/4 scale Bucker Jungmeister Jarno Helasuc Finland finished Coverite enamel engine Enya 120 four-stroke altitude direction absolutely no errors Remarkably accomplished using biplane undercambered airfoil airplanes dyed silk cov ering clear dope finish gave ap pearance light weight fact built up 6kg weight limit realistic dummy engine crankcase formed epoxy fiberglass silicone molds other pilots counting better weather improved flying conditions later rounds hope steadier hand controls Max contest won first day flying second place deHavilland 88 Comet Hansruedi Zeller Switzer land first seen La Bourget 1984 made some improvements notably throttle trim system possible steer taxiing changing individual settings two 0S 40 fourstroke engines also capability synchronize engine rpm air system model very steady during flight being racer could flown quite fast losing realism points Hansruedis dive straight flight below six meters altitude always thrill watch addition being excellent pilot also master showman Also Switzerland third place Let Vladimir Boulatnikov USSR 2nd CL Scale Air 1 Webra 61 dummy Blackburn Cirrus engine working valve rockers belt-driven An animated dummy pilot salutes turns Its head Right Four years effort team professionals produced LI-2T Douglas DC-3 look-alike flown 3rd place Alexandr Pavienko USSR Engines handmade specials Left Marlan lazirod Poland second-highest flight scores CL very low static score Model isa Zlin SOL Harlan uses Webra 61 engine haul model around Right Hick Reeves England resurrected venerable Ziin Akrobat built 1969 entered three Control Line World Championships 1970 1972 1974 flown since met Its fate crash inverted November 1986 93 Firs piace ionrroi Line G8I6 weawun again u ,ilr Fedesovof USSR Antonov AN-28 turboprop airliner pair speckany-made 60 engines bevel gear drives fitted narrow nacelles Reversible-pitch props used taxiing Len wecironlcrnrouie tiaps drop tank homemade retracts 15-lb model covered 005 aluminum iitho plate Hastwo lruru viuginwa hIs Boeing B-i 70 75-in span 12 lb four 0S 25 engInes three Worli Left AdsHavilland OH-OS Mosquito Loch Podgorskl Poland used two Webra 40 engines hasfiown Worid Champs Right Ron Sears PT-i 7 Stearman Kaydet 181 /6-scais 641/2-in span Supertlgre 60 FInish Randoiph dope enamei over Coverite Bucker Jungmeister Konrad Qetiker highest static score Mistakes bad landing damaged landing gear kept scores low first two flights Konrad returned finish excellent third round also gave Swiss team first place Biplanes proving real contenders Five first nine places biplanes Chris Foss England 82-inspan -scale Dalotel proved aero batic monoplane could contend biplanes also made clear twostroke 60 engine well muffled could match four-strokes quietness OS 60 FSR carried large model dif ficulty respect Dalotel different weighed 43kg 95 lb Chris model well under maximum weight chosen different route success Two years ago David Masterton Australia come Paris victory trimotor deHavilland Drover very high flight scores Oslo static score slipped down ward different set judges Dave arrived early done Paris foam-and-balsa practice trimotor airplane cut seven pieces transportation good practice field wasnt available Dave made couple flights before competition began meticulous professional pilot has team manager read off 10-item checklist before flight engines 05 40 four-strokes center engine having reverse rotation provide straight-line 500-point takeoff necessary win ning effort course also means needs reversing switch starter motor center engine well lefthand prop model completely cov ered aluminum alloy sheet 003 5 thick specially rolled hardness pre vent handling damage contact adhesive used fasten aluminum 2-in balsa substratum rivet detail embossed aluminum rear Washout seven degrees Drovers tapered wings provides stability slow speeds Daves slow steady flights attest its value First ducted-fan model complete flight Scale World Championships McDonnell-Douglas F-15C Eagle Philip Avonds Belgium twin K&B 75 engines used tuned pipes because model already 6kg weight limit first flight Oslo also models first everyones surprise performed perfectly until engine quit landing heavy its carbon-fiber landing gears damaged Philip made hasty repairs carbon fiber model designed scratch-built Avonds using obechi plywood balsa foam wings wings complex airfoil faithfully reproduced semi-symmetrical section root sharp washout twist thin undercambered tips Rotors Tar bax shrouds stators made layer 5-oz fiberglass cloth models exterior finished glass cloth epoxy paint furnished factory its second flight vibration engine caused rotor shifting off center third flight same problem fractured crankshaft complete Continued page 176 94 Model Aviation Lert JUlIO RDI5 oanner tow clipped wing Piper Cub earned high flight scores model orIginated Sig kit its engine 08 40 FSR span 57 its finished Covent dope Above Henryk Stecyk Poiand used US prototype OV-1 OA Bronco CL Scale Two Webra Speed 61. J ur ngIanu umug pair U5 .n engines tor nis uougias L-4A UaKOta nag uAgwileht flights unfortunateiy iow static score cancelied out effort time chase retrieve everyone get three flights Several latecomers caught unawares missed 700-to-800 am round out Another several launch line 750 furiously winding shouting timers no avail Motors popping shreds flying whistle went off schedule close round part flying low key very high quality hordes camera bugs launch along lots ofjolly good advice thermal picking let go going round cheers successful groans various inevitable smushes Conditions field could have better tem perature 90s rather usual 110 very low humidity slight drift early generally benign thermalsalthough eight models dis appeared overhead during memorable boomer Genial Jim Adams maxed-out Gor don S Light replica win first place closely followed Bob Langdons latter day Light played game winners since contest unique its ingredients its vintage quality its spirit being US team flying Wakefield against inter national entry truly great site thrill enough word unforget table As bottom line 50th reenactment 1937 Wakefield Cup contest will held Old Warden England already shuffling paper bank preparation Scale WC/Wischers Continued page 94 flights models sixth-place finish could have much improvedhelped high static score 20% bonus Three biplanes finished 7th 8th 9th placesa BE-2c Jurgen Steinberger W Germany DH-82 Tiger Moth Kjell-Ake Elofsson Sweden Sorrel Guppy ultralight Carlo Mapelli Italy Guppy model reversion past model simple airplane well done detail reproduced minia ture could contender first place BOX 429SKYLAND N C28776 THE DIFFERENT FOAM MODEL Lowest Cost Modeling 3 3 Send Si 00 latest fine-grain sheet foam 3 developments foam samples FREE foam 3 sources Hard Shell finishes now Ilable Dozens easy build foam air plane plans Peanuts RIC FOAM SCALE MODELS Box 662MA St Croix Falls WI 54024 III 0CS Antique Military Civiliart Helicopier8 Sailpianes color FOTOPAAKSKOKU-FAN 3-vIews 40OCO pictures stock2000 drawinqa siock Vacation I Handy Disney World l0oR LD Kennedy Space Center rest Florida 3 Bedrooms sleeps 8 Kitchen A/C Pool Ttnnis lots R/C flying Nov-May $500 ink / June-Oct 1400 ink / isightly & monthly rates also available 007 528-4e43 176Model Aviation PRESENTING FL INGER THE ULTIMATE SMALL SAILPLANE HANDLAUNCH HI-STARTorSLOPE WINGSPAN 57 WEIGHT l2oz MACHINECUT PARTS DEALERS&DIST INQUIRIES INVITEDFLINGER LJMP 110 $2995 ELECTRA L ITE-iCARUS-PANTERA METEOR-ELECTRICUS-WHISTLER PR ELUDE-COMET LARRY JOLLY MODEL PRODUCTS 5501 W COMO SANTA ANA CALIFORNIA 92703 714 826 6861 PUZZLED CALL MATT No time build Mutt itlil hove time. know 1 Complete Call 9am -8 pm lEST 2 Semi-Assembled609-395-1672 Irsady cover sandedi Malts Model BuildingPG Box U 1 Stockton Drive Crmnbnrv NJ 93512 Rate cards available reel SASE 14-1/8o9-1/21 also build Cars louts FLYING NEAR AIRPORTS BE CAREFUL PROTECT YOUR RIGHT TO FLY Safe Flying No Accident LAThES INS MACHINe IN SlOP tUPPLIES the Aviation Medal //OMACHINERY AN5JLS $1308-5838I vOle,, ,vOrf,r,doo adqvI QUALITY FREE FLIGHT KITS AND SUPPLIES FOR COMPETITION AND SPORT SINCE 1975 Dealer inquiriesCatalog SOt invited .BLUE RIDGE MODELS rMoRE POWER WITH LESS NOISE four-cycle measuring up expectations read Make engine before Make 60 120 four-stroke less means 1 Quieter glow 2 More mellow sounding four-cycle 3 More usable power both 4 Highest power-to-weight ratio 5 The lowest idle ever 6 Increase mileage up 4 times 7 Runs cooler glow 8 No glowplugs fail 9 Increased reliability 10 Fuel available concentrate Conversion kits available 049 30 cid Schnuerle ported engines Its sim ple just change heads fuel What waiting Dust off two-cycle DIESELIZE Send self-addressed stamped enve lope 60 information call 203-877-1670 between 730 pm 930 pm EST DAVIS DIESEL DEVELOPMENT PO Box 141 Milford CT 06460 leader quiet combustion technolo since 1976 Carlo predicted simple airplane could beat complex US multi-engined aircraft correctwith 10% bonus biplane tail-dragger static score among highest very difficult judges find fault ultra-simple model Carlo needed good flight Static judging done outdoors model being presented viewing contestants helpers model viewed sides including bottom done distance three meters nearest part model Since judges models moved small models received little less scrutiny Judging surface texture crafts manship scale detail done distance meter Balsa sticks 1 meter length carried judge assure came too close US judge George Buso acted chief judge RC static scoring also CL flights lack US judge RC flight line source some consternation US con testants especially after seeing low static scores well low first-flight scores some question favor itism being shown two judges would fIt4P little device sounds beep guide right plane Easily mounts smallest planes Use connector plug receiver same servo Also tells someone frequency solid state crystal oscillator Comes ready mount full structions included WT 1 oz DIM 1 x2 3/8 x IN USA CLUB DISCOUNTS AVAILABLE * ASK * SEND CHECK OR MONEY ORDER TO ELECTRONIC DESIGNS INC BOX Z 1925 GREENWOOD LK TPK HEWITT NEW JERSEY 07421 PHONE 201 728-1616 Plus $200 Shipping cont USA NJ Residents add 6% Sales Tax COD add $200 Allow 2 wks Shipping November 1986 177 9 ONLY onding advertisers mention read about Model Aviation rAlV V JD X ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX Academy Aviation R&D147 Ace Radio Control14 Aerodrome Models Ltd138 Aerospace Composite Products145 Airtronics2 Altech Marketing19 American Jr Aircraft Co166 Applied Design Corp135 Astro Flight10 Quay Barber Models166 Beer Can Bombers180 Bell Rock Industries146 Blue Ridge Machinery & Tools176 Blue Ridge Models176 Dave Brown Products34 Bru Line Industries140 Byron Originals147 Carolina Model & Hobby Expo172 Carolina-Taffinder166 Johnnie Casburn Mfg145 Circus Hobbies152-153 Cleveland Model Supply168 Eric Clutton22 Consumers Guide150 Coverite23 139 Cox Hobbies1 DGA Designs154 171 Davis Diesel Development176 Dodgson Designs168 Dougs Hobby Shop156-161 Du-Bro Products Inc162 Dynathrust Props163 Electronic Design Corp177 FAI Model Supply138 FHS Supply Inc4 Flyline Models166 Foam Scale Models176 Fourmost Products140 Fox Mfg146 Futaba Corp America21 GM Precision Products84 Gator RC Products134 Geometron Co145 Carl Goldberg Models83 Golden Era Plans167 Golden Gate East165 Gorham Model Products90-91168 Great Planes Model Mfg Co164 Harry B Higley & Sons175 Haviland Aircraft151 Helicopters Unlimited5 Historic Aviation17 Hobby Barn 137 Hobby Horn146 Hobby Lobby International175 Hobby Woods154 lkonNW146 Indy RC Sales Inc142-144 JTec174 Larry Jolly Model Products176 Jomar165 K&B Mfg165 K&S Engineering175 Kookaburra Technical Publications178 Kustom Kraftsmanship165 Lake Enterprises164 Leisure Electronics89 Lone Star Models18 MACS Products165 Matts Model Airplanes176 McDaniel RC Service14 Messers Quality Model Prod154 Micro Mark12-13 Micro Model Engineering135 Model Products Corp166 Model Rectifier CorpCovers 2 & 3 Sid Morgan Plans174 Morley USA170 Mutchlers Hobbies148-149 NEPRO168 Northeast Screen Graphics167 PK Products170 Pacer Technology177 Pelican Enterprises175 Penn Valley Hobby Center166 Pica Products9 Plasticote179 Polks Hobby6-7 Progress Mfg Co8 Pro-Tune Corp34 RC Buyers Guide171 RC Extras138 RC Vacation176 Radio South151 Repla-Tech International22 Robbe Modellsport155 Roush Mfg22 SR Batteries173 Sachs TG167 Sagan Industries164 Satellite City135 Scale Model Research176 Sermos RC Snap Connectors172 Shamrock Competition Imports173 Sheldons Hobby Shop20 Sig Mfg Co163 Bob Smith Industries150 170 Super Cyclone Engines138 Swanson Assoc150 RC Sweitzer Enterprises141 T&D Research Associates20 Tatone Products Co173 Top Flite Models Inc140 Tower Hobbies169 Tru-Turn22 VL Products18 Victor Engineering174 WE Technical Services8 Wandit Mfg168 Williams Brothers34 Wilshire Model Center163 Windsor Propeller Co151 Wing Mfg Co10 World Engines141 Cover 4 Yale Hobby Mfg Inc15 Zenith Aviation99 Nick Ziroli Models134 score 4 maneuver other three 9 Nationalism has seen before resulted banning individuals future judging individual score sheets flight will critically analyzed host nation determine whether such action needed future 20% maximum bonus will definitely affect choice model type bonus biplanes undercam bered airfoil has eliminated Some contestants multi-engined models formed opinion judges already discounting scores 178 Model Aviation Now available THE WORLDS VINTAGE SAILPLANES 1908-45 Martin Simons Hard bound 176 pages quality paper 248 beautiful black white photos plus 65 color plates nearly 100 finely detailed scale drawings magniti cent collection rare information classic old timers SPECIAL CONESS1ON OFFER FROM THE PUBLISHER ONLY avail able readers send us 2 International Reply Coupons Ask Post Office will airmail free color brochure price details tell order Write now KOOKABURRA TECHNICAL PUBLICATIONS Pty Ltd P0 Box 648 Dandenong 3175 Victoria Australia No 531Terrible Coupe$475 FF Rubber-power Coupe dHiver spans 48 No 532Baby Bird$400 CL Tiny Stunter uses 049 diesel/glow spans 34Ain No 533Cessna C-37$500 RC Scaler 30s plane 049110 power 2-ch spans 421Ain No 5341938 Challenger$550 RC Y2A Texaco Old-Timer spans 47Y2 O49engine 2-chRC No193Stiletto CL Stunt model McDonald winner 197819801982 PAl World Champs$375 No239Blue Birds AC Ken Willards formation plane 4-channel 10/15 power$ No262Crashmaster CL Crash-proof trainer two sizen15/30 35/40 power8125 No302Mini P-i 6 AC Sarpolos 049 ducted-fan sport flierfor 2-channel Balsa wings tail lose otmotere$275 No3101939 Fleet Biplone AC Sport Scale 35/404-channel Wingspan 56 Vs scale Two sheets$825 No314Oroke II AC Ken Willards flying hoat foe 3-channel 15-power fly land rornovable tear$375 No326Taylor Cab AC Don SmIls Schoolyaed-Scale 049s2-3 channel Spans SOin*350 No332Zephyr AC Small 2-channel gliderforhand-launchortow thermal orolope soaring$280 No396Laser206 AC Sport Scale replica championship Aerohatic ffier Uses 40 power 4-5 channel Two sheets$t075 Ne414Electric Spunky AC Electric-powered ton flierfor 05 motor 3-channel AC scaled-op t939 robber-pewerfanorite$050 Ne430Irooside AC Zippy little sportoterfor 10115 power 3-channel AC$400 Ne433Watts Up AC Electric-powered glider 2-3 channels 035 motorspano 52 in$450 No436Cruiser FF Emhryo Endurance robber-powerfon ship has hig-madel characterintics$200 No440Canalier AC Old-Timer-like now design fos hogewing foreasy flights 35 power 3-ch Two shts81725 No444Firehelt AC Pusher canard epurt/pattern uses 40 posher engino 4channel Has swept-forward foam wings$850 No4415/sA Miss America AC Old-limer ISA Texaco model 040 glow 2-channels$050 No452Gee BeeZ ACtluartnr-scalespanslltu in. uses 90 power Foursheets81800 No454Sweet P-36 FF Neat stick-and-tissoe Outdoor Auhher P-30class model isa confers-winner$200 No451Spectra AC Electric-power forOSsize motor unno 3 differeotwings sport soaring aerobatics$700 No4604-40ACShoulder-wjognporsflierfor4-cycle 40-size engine4 channels8850 No465Blue Mao II AC Fun-fly sporteterfor 40-nize engines spans 52 lightweight stmctore$700 No480Smoother CL Stunter 20/35 power Design hasad hyhrid Smoothie/Nobler8675 No476Strokec AC Mid-wing sportoter ones 40/45 four-stroke engine spans 50 tail-dragger8850 Na476Buttercup AC Cute elfin sportoter uses micro 2-ch AC pulse-rudder Spans 27 020/035 power8300 No487Cap 21 AC Scale Aerobatic planefor 40-size engine spans 62 Two thents$1000 Na488MB-i FF Jumbo Aubber Scale 1920-era Thomas Moron hiplane spans 37 in$500 No406Waukeoder AC Low-wing sport flier 20-true 4-stroke engine spans 47 in$575 Na4094-60 AC Doc Mathews great sportflier 60-size four-strokernegien opens 70 Two sheets$1275 Na506Fakker DVIII AC Sport Scale model WW monoplane unee 90 four-stroke engine spans 03 Two aheets81600 No501Eledecker CL Spoot scale model early 1APr11 monoplane power spans 23r/e in$200 No602Bill Wioters Vaakand FF Sport flier down-sized 02-powered version oft 840s cabin plane Spans 33 in$225 Ne563Buzzhot AC Slope-soarerspans 60 uoen2ACchannels$750 No504Turha lance II PP Aubber-powered scale model spans 19 in$150 Na505P-3B Ligletaing CLSport Scaleflghtertpans6s in. weiglo 10 lb uses twin 35s Two sheets$1175 No506Playmote AC Sport flier 3 AC channels 15/25-size engines spans 50 in8650 No607Hammmubird FF fist clans A/B competition plane won asthe 05 Nato8750 No5089-256 CL Pnefile scale WW II bomberfor twin engines spans 30 in8400 No509Roscue 18 PP fiend-Launched Glider features cumed 10-er wing OT8150 Ne510Stumper PP fiand-Launched Glider has angular 18-in wing OT$150 No611F-16CLfiprnfilescalefighterspans hastricyclelandioggear8200 No612Estra 230 AC Giant Scale acrobatic plane spans Oft uses quadra engine Two plan sheets$1650 Ne513Black Beauty AC Stop-soaring racer has foam wino 3-rh AC spane 114 in8750 No614Heary T AC Sportoterfer 2-3 channel AC spans 52 in. has adjustable wing flaps$475 No515Weotluad Whirlwind AC Sport Scale Whirl twin-engined fighterfor 10-size engines spans 55 Two plan sheets81150 Ne516Euney CL Stonterfor 40/46 power spans 58 in$675 Na517Faka Ford AC Spooster forthree engines 3-ch AC Spans 50 Two plan sheets$575 No518Preject P-i 3 PP Scale German 514W II flying wing pusher/tractorforrubber power spans 26 in$325 No519Gee Bee R-l CL Profile sport flier 25 engines spans 36 in$475 Na526Flijht Assistant Wheeled flight boo carries lets Two plan sheets$1150 No521Comet Jr Clipper Plus 35% AC Old-Timersportsterfor engine 2-cb AC spane 40 in$650 Na522Sarta Pitto AC Aeminder-scule bipe 40/60 engines straes 43 Two plan sheets$1050 Na523Dawowalker PP Superlight Onlimited/Mulvihill robber-powered cnmpetitien plane opens 42 m$400 Ne524Tesas Rat CLAnother mooed nersion Midwest Sport Aacerfor 40 esoines sparm 24 in$275 Na525Hi-Tech 2662 AC Canard dusted-fan 45 engines spans 38 Two sheets$1000 Na526Ki61 Itnia CL Mostly-cardboard sport-scale WW II Japanese fighter los 40 engine spans 60 Two plan sheets$1150 Na527Miss NJ AC World Champion PAl Pylon Aacer 40 engines spans 51 in8550 Na526Swallow AC lightweight hotdogger 40-size four-stroke engines spans 58 in8025 Na529PBY Catalina PP Skinny Scale two CO-2 motors Spans 32 All-sheet-balsa canstructiso8325 No527Tsunami CLProfile scale Aspans2l inches All-sheet-bane constwction8225 0 0 Al 0 cJ en0 -0 0 0 z0 en cr0 0 O t enCO en C nb rr 00 0 0 0 en0 0 en C en V 00 en 00 en 0 0 ME J 0 E0 m 05 CITY 00 N U Circle numbers plans wish order 193 .332 1 01 s 468 oE 50 z z 507 514 521 528 239 386 447 470 501 5a8 515 522 529 262302 414430 452454 478487 502503 509510 516517 523524 530531 S i 8 S i S i STREET 8 - STATE 310 433 457 488 504 511 518 525 532 314 438 460 490 505 512 519 526 533 Plan price includes first class postage US delivery Air Mail over 300 miles I Far orders outside US pleaso add $250 Air Mail 8125 surface mail 326 440 465 499 506 513 520 527 534 Make chock money order payable US foods Model Aviation AMA 1810 Samofil Morse Reston VA 22090 Please allow 3 6 weeks delivery Please print carefullyEnclosed $__________________________________ ZIP future 20% maximum However very few multi-engined airplanes flights error-free realism flight scores suffered badly unsteadiness roll altitude changes RC flight line enjoyed large crowds appreciative spectators applause well-done maneuver common Both Savoia Marchetti bombers dropped bombs Skip Masts parachuted cargo drop Hercules always brought enthusiastic response crowd Control spectators very good clear view thanks Narve Jensen Norwegian Aero Club well-run cham pionships thanks Hazel Sig-Hester generously supplying team shirts jackets Special thanks Mid Hudson RC Society financial support team fund Chal lenger/Kostecky Continued page 98 SAM contest Grand Island NY decided fly Challenger just fun day contest absolutely gorgeous brilliant blue sky green thermals everywhere could get up 400 ft work hard max out launched Chal lenger sporadic engine runs give 049s bad name After 5 minutes never 200 ft off ground plane plopped down pouted behind clump weeds second flight slightly richer setting saw old Challenger spiraling down several times just keep sight finally recording over 15 minutesa tad overkill 10minute max Boy pain neck rest day dollar time sniveled could have won could retire So much funnext year serious Balanced shown model flies great suspect center gravity CG could moved back some havent bothered plane super quiet evenings schoolyard all-out competitor can surpass its class SAM meet i sin S 0 S unvnCnen cLinees reac cenicnl iLLUsTrATeS race se SIX PACe PICK ECu SOUTneusren ru ARAnPeA~ i1I BuC-e Mirror 180 Model Aviation
Edition: Model Aviation - 1986/11
Page Numbers: 85, 86, 87, 88, 92, 93, 94, 176, 177, 178, 180
Scale World Championships An amazing variety Bob Dolly Wischer aircraft proto types represented Radio Control Control Line models Unlike some formeryears least RC winners circle dominated aircraft type NORWAY WAS THE HOST nation Ninth Scale World Championships action took place Kjeller Airport military field 20 miles northeast Oslo 17 nations competed47 airplanes Radio Control 13 Control Line large entry RC imposed quite burden contest management serious consideration given limiting flights two rounds end competitors given three flights contest came conclusion within allotted time because weather permitted another rain shower extra day would have needed Norwegian Aero Club organizers World Championships made some wise early decisions helped com press action five days judging done using five RC ffight judges CL static scoring CL judges RC static permitted RC flights begin before models judged Static judging began lineup winner RC Scale Max Merckenschlager Germany 1/4-scaie Bristol Scout aivina soan 73 Weight 113 lb engine lean 08 120 four-stroke Finish over lightly-dyed silk homemade dummy engine cast epoxy glass RC Scale 2nd place Wa WOfl Dy nunurusa eiiur OT wirzeriana wurn UI1-50 Lomet 1 /6-scale two 08 40 four-stroke engines Weight 1a12 lb finish ii auto lacquer Loft Dalotel Chris Foss England 1/4-scaie spans 82 weighs 94 lb finish Black Baron paint varnish overcoat RIght Australian team manager reads checklist before starting engines David Mastertons deHaviliand Drover Three Enys 40 four-stroke engInes center turning backwards power model finish paint over 0035 aluminum Left OflO Otifle iignxesi mooes EjUIIPPU CIUT55UflU UFIO MOm am wu lola gu unnu finish enamel over Solartex Right Carlo Mapelil italy haa modeled Mmarlcan umirulight homebulil ppy simple model could well World Championships competition against multi-engine airplanes engina nya 1 u Tour-airuKu models permit overview distance comparison purposes Showers interrupted static judging being done outdoors also early flights beginning flying could have used services Dave Brown Ron Hesselbrock flight-line bosses accelerate action fellows Nats Later week situation improved moving No 1 ready box point runway behind flight judges speeded action considerably future 60 70 entries can expected two sets judges will required some flight scores may suffer because unequal exposure threeflight schedule could easily have happened Oslo because entries expected arrived some dropouts among USSR RC teama major disappoint ment everyone evident Soviet team will appear until winning potential Considering small number aero club members available organization well-run meet two hotels nearest within walking distance airport about mile used headquarters setting im pressive Surrounding hills forested have hundreds pretty homesites slopes hotel located slight knoll spectacular views windows Everyone evening meal together large room Smaller side rooms popular spots social gatherings evenings Nor wegian Aircraft Museum specially opened evening almost everyone chance see collection 21 hours daylight July Oslo latitude evening activity wasnt limited Saturday night banquet party continued until 4 am well after daybreak Several nations made first-ever appear ances Scale WCamong Japanese mistaken impression would come champion ships until ready sweep top places definitely case really came learn enjoy themselves truly delight ful group above average models flying skills yet world-beating con tenders first-flight jitters same everyone settled down afterward show cham pionship material first flights exciting Okamotos Nieuport 11 takeoff almost wiping out judges scramble 86 Model Aviation maui compiax moasi UT maui mis r- ouiii DY Philip Avonds jet fighter pilot Belgium Twin KAB 75 engines spin Turbax rotors mounted fiberglass shrouds model made obechi plywood has foam wings its 1/9scale spans 57 Right BE-2c Jurgen Steinberger Germany hasa dummy engine turned milled aluminum hammered aluminum cowl Covering silk wingspan 1680 Left Vs-scale stinson Al rimotor oy ieva auger nag ma nignaststammcsuora ut Lou 00 5llUUU center 05 25 span go weight 1813 lb Homemade retracts use Rom-Air SM-79 Sparviero trimotor bomber Carlo Bergamaschi italy isi /9-scala weighs 13 lb uses mr. Left Skip Masts Lockheed NC-i 30B judging table Skip used modified Goldberg retracts main gear Rom gear nose foam 1/16-in lightweight balsa cover finish acrylic enamel over lightest-weight sllkspan Its 1/-scaie weighs 13 lb span 975 Right Australian Lloyd Dippel prepares start OS 120 GemIni twin 84-in-span Bowers Fly Baby Left Bengt Kailetrom Sweden built Klemm 35 1/5-scale Weight 10 lb 08 1 uu-wiuuiw PU U LU III UIU enamel over Polytex Right Wim Reynders Belgium modeled North American F-82B Twin tang Wingspan 177 irs sand two 08 40 FSRs provide power Wim produced own approved three-view drawing Balsa construgimon epoxy fiberglass finish quickly Nieuport repaired came back very presentable flights subsequent rounds surprisingly resilient aircraft Fortunately its Gemini engine escaped damage cartwheel landing other two airplanes Zero course T Furuta Republic P-47D25 S Takahara Japanese made inquiries about staging future World Championships country possibly 1990 Control Line Scale Soviet team expected unbeatable Valery Kramarenkos Antonov lost crash place Alex Pavlenko LI-2T copy Doug las DC-3 finished third First place again won Antonov AN-28 turboprop airliner Vladimir Fedosov high static score gave slight edge over Bulatnikovs biplane Air-i Soviet models showed highest type craftsmanship professional touch As past seemed two contests CL decide Russians would first second third another other placings US Jeff Perez Boeing B-17G overcame low static score excellent flights become leader Observers proclaimed flying best has ever done Ron Sears Stearman PT-17 enjoyed higher static score although 700 points less Paris able make reasonably good flight heavy mod el Julie Abels clipped wing Cub needed high flight scores augment low static Only few lost maneuvers prevented placing higher peculi arities CL scoring zero given models lines reach 450 prescribed number laps wondered about measurement angle Both Ron Julie victims zero maneuver Julies banner tow provided some scores 10 later flights higher judges de cided give scores both banner tow banner drop As female contestant Julies popularity resulted front-page newspaper photo Continued page 88 November 1986 87 MrJuvu uiur uarmgu oupwiln onips nsa gummy rotary engine revolves single bail bearing noseweight driven exhaust models Laser 90 four-stroke engine Nylon covering finished dope Humbroi paint Right Grum man Wildcat Switzerland Peter Muller has complex retracting gear Scale 1/65 engine 08 90 four-stroke Left /4-scale 13-lb PlUs S-2A Poul Munsberg Denmark powered 0 four-stroke engine silk-covered Simprop paint Right Mitsubishi A6M5 Zero Japan T Furuta used 08 SF 90 engIne external tank dropped flight Left colorful 1/6-scale Boeing PT-i 7 Soren Frederickason Sweden finished boat paint over Polytex engine Enya 120 four-stroke span 1s64 weighs 1 2/a lb Right VldarTolfsen Norway used Enya 90 four-stroke deHavilland Tiger Moth Mick Reeves England has now flown Scale World Championships prefers RC unable become team member returned earlier talent CL Zim 526 Akrobat model stored its travel box since last used 1974 returned service 12 years later first flight Mick discovered black rubber pickup tube inside fuel tank dis integrated model badly damaged flying inverted its second flight As expected four nations con testants CL event appeared destined reduced WC international contest make fully acceptable championship Norway became fifth nation entering semiscale Mustang Petter Harsem has done before Control Line World Championships unless something done preserve event may never another RC Scale US team suffering low static scores finished 10th 14th 22nd places static scoring positions 6th Steve Saugers Stinson Trimotor 23rd Skip Masts C130 Hercules 34th Cliff Tacies Trimotor Savoia Marchetti affectionately known spaghetti bomber large deficits make up 2Oto 30% bonuses applied flight scores Steves Stinson its 25% bonus three engines retracts conventional tail-dragger landing gear hope well competition would have needed near-perfect flight Small errors accumulate some can very damaging example take off scored 1 10 judge perfect takeoff can give score 50 10 five judges weighting multiplication K factor degree difficulty 10 producing total score 500 25% bonus 500 escalates 625 swerve takeoff run can substantially reduce score certainly advisable make takeoff landing perfectly maneuvers win lose FM Scale contests judges decide swerve reduced score five unlikely total maneuver alone will have lessened 312 points Steve Saugers Stinson Trimotor con sidered glamour machines contest attracted generous attention US entry found overweight supersensitive digital readout scale Steve solved problem substituting lighter 450 mAh battery pack larger cells model own examination static scoring reinforced belief Stinson deserved better place However must pointed out Steves documentation could have better Though Steves flying improved round 25% bonus couldnt overcome small errors flight Continued page 92 88 Model Aviation Left Cliff Tacles Savola Marchetti SM-Si 1/11-scale 85-in wingspan three K&B 35 engines Weight Ia 13 lb Finish Sig butyrate dope over Super Coverite Silkapun Covent wings Above Jean Roumseau France brought new Moynet Jupiterto Oslo An earlier model destroyed Lemourget 1984 Engines 08 40 FSR Covering sheet aluminum Skip Mast completely new Lock heed HC-1 30 Hercules Oslo Its 30% bonus highest meet Skips low static score largely result absence surface detail Modeling very large airplane Y16-scale affects amount detail can applied Engine prob lems affected flight scores engine stopped model rotated takeoff first flight judges gave credit three-engine flight although rule states engines must running takeoff given credit four-engine flight becomes question whether propeller still turning instant wheels parted runway cules flies very well three engines Augmented its 30% bonus highest flight scores three US models Taxi points lost K&B 35 engine needed restart before takeoff Two flights completed four engines running Cliff Tacies Savoia Marchetti Trimotor bomber given very low static score documentation consisted photos publication profile-type threeview drawing External details difficult reproduce apply large airplane reduced Yii-scale Cliff also engine problems first attempt model nosed over suddenly just ready lift runway flight engines throttled end taxi maneuver engine stopped restarted taxi points lost US team used radio equip ment furnished Airtronics same frequency could interchange transmitters necessary models equipped Airtronics smallest lightest servos important item mod els built up maximum weight allowed Radio problems nonexistent contestants throughout meet Seventeen biplanes entered championships first place -scale Bristol D Scout Max Merckenschlager West Germany flown muffled OS 120 four-stroke large-diameter propeller extreme quietness flights made low throttle settings further reduced ex haust noise Max already accumulated enough points very first flight win event flying technique very steady no unnecessary changes Left S Takahara Japan used 05 61 Republic P-47-D25 Thunderbolt Complexcontrais forthe sliding canopyand bomb drop Right 1 /6-scaie Fokker instructor S-i 1-1 William Noordegraaf Netheriandsscratch-bulit varnish over silk paint 92 Model Aviation US team L-R Julie Abel Piper J-3 Jeff Perez Boeing B-i 7G Ron Sears Stearman PT-i 7 MlkeGretzasst team manager Dolly Wischerteam manager SteveSaugerStin son Tn motor Skip Mast Lockheed Hercules Cliff Tacie Savola Marchetti SMSI Left Peter Miii Canada deHavilland Chipmunk built Bob Holman plans Peter made own fiberglass fuselage foam wings its 1 /6-scale spans 68 weighs ge lb uses Supertigre 61 finish KAB epoxy overCoverite Above 1/4 scale Bucker Jungmeister Jarno Helasuc Finland finished Coverite enamel engine Enya 120 four-stroke altitude direction absolutely no errors Remarkably accomplished using biplane undercambered airfoil airplanes dyed silk cov ering clear dope finish gave ap pearance light weight fact built up 6kg weight limit realistic dummy engine crankcase formed epoxy fiberglass silicone molds other pilots counting better weather improved flying conditions later rounds hope steadier hand controls Max contest won first day flying second place deHavilland 88 Comet Hansruedi Zeller Switzer land first seen La Bourget 1984 made some improvements notably throttle trim system possible steer taxiing changing individual settings two 0S 40 fourstroke engines also capability synchronize engine rpm air system model very steady during flight being racer could flown quite fast losing realism points Hansruedis dive straight flight below six meters altitude always thrill watch addition being excellent pilot also master showman Also Switzerland third place Let Vladimir Boulatnikov USSR 2nd CL Scale Air 1 Webra 61 dummy Blackburn Cirrus engine working valve rockers belt-driven An animated dummy pilot salutes turns Its head Right Four years effort team professionals produced LI-2T Douglas DC-3 look-alike flown 3rd place Alexandr Pavienko USSR Engines handmade specials Left Marlan lazirod Poland second-highest flight scores CL very low static score Model isa Zlin SOL Harlan uses Webra 61 engine haul model around Right Hick Reeves England resurrected venerable Ziin Akrobat built 1969 entered three Control Line World Championships 1970 1972 1974 flown since met Its fate crash inverted November 1986 93 Firs piace ionrroi Line G8I6 weawun again u ,ilr Fedesovof USSR Antonov AN-28 turboprop airliner pair speckany-made 60 engines bevel gear drives fitted narrow nacelles Reversible-pitch props used taxiing Len wecironlcrnrouie tiaps drop tank homemade retracts 15-lb model covered 005 aluminum iitho plate Hastwo lruru viuginwa hIs Boeing B-i 70 75-in span 12 lb four 0S 25 engInes three Worli Left AdsHavilland OH-OS Mosquito Loch Podgorskl Poland used two Webra 40 engines hasfiown Worid Champs Right Ron Sears PT-i 7 Stearman Kaydet 181 /6-scais 641/2-in span Supertlgre 60 FInish Randoiph dope enamei over Coverite Bucker Jungmeister Konrad Qetiker highest static score Mistakes bad landing damaged landing gear kept scores low first two flights Konrad returned finish excellent third round also gave Swiss team first place Biplanes proving real contenders Five first nine places biplanes Chris Foss England 82-inspan -scale Dalotel proved aero batic monoplane could contend biplanes also made clear twostroke 60 engine well muffled could match four-strokes quietness OS 60 FSR carried large model dif ficulty respect Dalotel different weighed 43kg 95 lb Chris model well under maximum weight chosen different route success Two years ago David Masterton Australia come Paris victory trimotor deHavilland Drover very high flight scores Oslo static score slipped down ward different set judges Dave arrived early done Paris foam-and-balsa practice trimotor airplane cut seven pieces transportation good practice field wasnt available Dave made couple flights before competition began meticulous professional pilot has team manager read off 10-item checklist before flight engines 05 40 four-strokes center engine having reverse rotation provide straight-line 500-point takeoff necessary win ning effort course also means needs reversing switch starter motor center engine well lefthand prop model completely cov ered aluminum alloy sheet 003 5 thick specially rolled hardness pre vent handling damage contact adhesive used fasten aluminum 2-in balsa substratum rivet detail embossed aluminum rear Washout seven degrees Drovers tapered wings provides stability slow speeds Daves slow steady flights attest its value First ducted-fan model complete flight Scale World Championships McDonnell-Douglas F-15C Eagle Philip Avonds Belgium twin K&B 75 engines used tuned pipes because model already 6kg weight limit first flight Oslo also models first everyones surprise performed perfectly until engine quit landing heavy its carbon-fiber landing gears damaged Philip made hasty repairs carbon fiber model designed scratch-built Avonds using obechi plywood balsa foam wings wings complex airfoil faithfully reproduced semi-symmetrical section root sharp washout twist thin undercambered tips Rotors Tar bax shrouds stators made layer 5-oz fiberglass cloth models exterior finished glass cloth epoxy paint furnished factory its second flight vibration engine caused rotor shifting off center third flight same problem fractured crankshaft complete Continued page 176 94 Model Aviation Lert JUlIO RDI5 oanner tow clipped wing Piper Cub earned high flight scores model orIginated Sig kit its engine 08 40 FSR span 57 its finished Covent dope Above Henryk Stecyk Poiand used US prototype OV-1 OA Bronco CL Scale Two Webra Speed 61. J ur ngIanu umug pair U5 .n engines tor nis uougias L-4A UaKOta nag uAgwileht flights unfortunateiy iow static score cancelied out effort time chase retrieve everyone get three flights Several latecomers caught unawares missed 700-to-800 am round out Another several launch line 750 furiously winding shouting timers no avail Motors popping shreds flying whistle went off schedule close round part flying low key very high quality hordes camera bugs launch along lots ofjolly good advice thermal picking let go going round cheers successful groans various inevitable smushes Conditions field could have better tem perature 90s rather usual 110 very low humidity slight drift early generally benign thermalsalthough eight models dis appeared overhead during memorable boomer Genial Jim Adams maxed-out Gor don S Light replica win first place closely followed Bob Langdons latter day Light played game winners since contest unique its ingredients its vintage quality its spirit being US team flying Wakefield against inter national entry truly great site thrill enough word unforget table As bottom line 50th reenactment 1937 Wakefield Cup contest will held Old Warden England already shuffling paper bank preparation Scale WC/Wischers Continued page 94 flights models sixth-place finish could have much improvedhelped high static score 20% bonus Three biplanes finished 7th 8th 9th placesa BE-2c Jurgen Steinberger W Germany DH-82 Tiger Moth Kjell-Ake Elofsson Sweden Sorrel Guppy ultralight Carlo Mapelli Italy Guppy model reversion past model simple airplane well done detail reproduced minia ture could contender first place BOX 429SKYLAND N C28776 THE DIFFERENT FOAM MODEL Lowest Cost Modeling 3 3 Send Si 00 latest fine-grain sheet foam 3 developments foam samples FREE foam 3 sources Hard Shell finishes now Ilable Dozens easy build foam air plane plans Peanuts RIC FOAM SCALE MODELS Box 662MA St Croix Falls WI 54024 III 0CS Antique Military Civiliart Helicopier8 Sailpianes color FOTOPAAKSKOKU-FAN 3-vIews 40OCO pictures stock2000 drawinqa siock Vacation I Handy Disney World l0oR LD Kennedy Space Center rest Florida 3 Bedrooms sleeps 8 Kitchen A/C Pool Ttnnis lots R/C flying Nov-May $500 ink / June-Oct 1400 ink / isightly & monthly rates also available 007 528-4e43 176Model Aviation PRESENTING FL INGER THE ULTIMATE SMALL SAILPLANE HANDLAUNCH HI-STARTorSLOPE WINGSPAN 57 WEIGHT l2oz MACHINECUT PARTS DEALERS&DIST INQUIRIES INVITEDFLINGER LJMP 110 $2995 ELECTRA L ITE-iCARUS-PANTERA METEOR-ELECTRICUS-WHISTLER PR ELUDE-COMET LARRY JOLLY MODEL PRODUCTS 5501 W COMO SANTA ANA CALIFORNIA 92703 714 826 6861 PUZZLED CALL MATT No time build Mutt itlil hove time. know 1 Complete Call 9am -8 pm lEST 2 Semi-Assembled609-395-1672 Irsady cover sandedi Malts Model BuildingPG Box U 1 Stockton Drive Crmnbnrv NJ 93512 Rate cards available reel SASE 14-1/8o9-1/21 also build Cars louts FLYING NEAR AIRPORTS BE CAREFUL PROTECT YOUR RIGHT TO FLY Safe Flying No Accident LAThES INS MACHINe IN SlOP tUPPLIES the Aviation Medal //OMACHINERY AN5JLS $1308-5838I vOle,, ,vOrf,r,doo adqvI QUALITY FREE FLIGHT KITS AND SUPPLIES FOR COMPETITION AND SPORT SINCE 1975 Dealer inquiriesCatalog SOt invited .BLUE RIDGE MODELS rMoRE POWER WITH LESS NOISE four-cycle measuring up expectations read Make engine before Make 60 120 four-stroke less means 1 Quieter glow 2 More mellow sounding four-cycle 3 More usable power both 4 Highest power-to-weight ratio 5 The lowest idle ever 6 Increase mileage up 4 times 7 Runs cooler glow 8 No glowplugs fail 9 Increased reliability 10 Fuel available concentrate Conversion kits available 049 30 cid Schnuerle ported engines Its sim ple just change heads fuel What waiting Dust off two-cycle DIESELIZE Send self-addressed stamped enve lope 60 information call 203-877-1670 between 730 pm 930 pm EST DAVIS DIESEL DEVELOPMENT PO Box 141 Milford CT 06460 leader quiet combustion technolo since 1976 Carlo predicted simple airplane could beat complex US multi-engined aircraft correctwith 10% bonus biplane tail-dragger static score among highest very difficult judges find fault ultra-simple model Carlo needed good flight Static judging done outdoors model being presented viewing contestants helpers model viewed sides including bottom done distance three meters nearest part model Since judges models moved small models received little less scrutiny Judging surface texture crafts manship scale detail done distance meter Balsa sticks 1 meter length carried judge assure came too close US judge George Buso acted chief judge RC static scoring also CL flights lack US judge RC flight line source some consternation US con testants especially after seeing low static scores well low first-flight scores some question favor itism being shown two judges would fIt4P little device sounds beep guide right plane Easily mounts smallest planes Use connector plug receiver same servo Also tells someone frequency solid state crystal oscillator Comes ready mount full structions included WT 1 oz DIM 1 x2 3/8 x IN USA CLUB DISCOUNTS AVAILABLE * ASK * SEND CHECK OR MONEY ORDER TO ELECTRONIC DESIGNS INC BOX Z 1925 GREENWOOD LK TPK HEWITT NEW JERSEY 07421 PHONE 201 728-1616 Plus $200 Shipping cont USA NJ Residents add 6% Sales Tax COD add $200 Allow 2 wks Shipping November 1986 177 9 ONLY onding advertisers mention read about Model Aviation rAlV V JD X ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX Academy Aviation R&D147 Ace Radio Control14 Aerodrome Models Ltd138 Aerospace Composite Products145 Airtronics2 Altech Marketing19 American Jr Aircraft Co166 Applied Design Corp135 Astro Flight10 Quay Barber Models166 Beer Can Bombers180 Bell Rock Industries146 Blue Ridge Machinery & Tools176 Blue Ridge Models176 Dave Brown Products34 Bru Line Industries140 Byron Originals147 Carolina Model & Hobby Expo172 Carolina-Taffinder166 Johnnie Casburn Mfg145 Circus Hobbies152-153 Cleveland Model Supply168 Eric Clutton22 Consumers Guide150 Coverite23 139 Cox Hobbies1 DGA Designs154 171 Davis Diesel Development176 Dodgson Designs168 Dougs Hobby Shop156-161 Du-Bro Products Inc162 Dynathrust Props163 Electronic Design Corp177 FAI Model Supply138 FHS Supply Inc4 Flyline Models166 Foam Scale Models176 Fourmost Products140 Fox Mfg146 Futaba Corp America21 GM Precision Products84 Gator RC Products134 Geometron Co145 Carl Goldberg Models83 Golden Era Plans167 Golden Gate East165 Gorham Model Products90-91168 Great Planes Model Mfg Co164 Harry B Higley & Sons175 Haviland Aircraft151 Helicopters Unlimited5 Historic Aviation17 Hobby Barn 137 Hobby Horn146 Hobby Lobby International175 Hobby Woods154 lkonNW146 Indy RC Sales Inc142-144 JTec174 Larry Jolly Model Products176 Jomar165 K&B Mfg165 K&S Engineering175 Kookaburra Technical Publications178 Kustom Kraftsmanship165 Lake Enterprises164 Leisure Electronics89 Lone Star Models18 MACS Products165 Matts Model Airplanes176 McDaniel RC Service14 Messers Quality Model Prod154 Micro Mark12-13 Micro Model Engineering135 Model Products Corp166 Model Rectifier CorpCovers 2 & 3 Sid Morgan Plans174 Morley USA170 Mutchlers Hobbies148-149 NEPRO168 Northeast Screen Graphics167 PK Products170 Pacer Technology177 Pelican Enterprises175 Penn Valley Hobby Center166 Pica Products9 Plasticote179 Polks Hobby6-7 Progress Mfg Co8 Pro-Tune Corp34 RC Buyers Guide171 RC Extras138 RC Vacation176 Radio South151 Repla-Tech International22 Robbe Modellsport155 Roush Mfg22 SR Batteries173 Sachs TG167 Sagan Industries164 Satellite City135 Scale Model Research176 Sermos RC Snap Connectors172 Shamrock Competition Imports173 Sheldons Hobby Shop20 Sig Mfg Co163 Bob Smith Industries150 170 Super Cyclone Engines138 Swanson Assoc150 RC Sweitzer Enterprises141 T&D Research Associates20 Tatone Products Co173 Top Flite Models Inc140 Tower Hobbies169 Tru-Turn22 VL Products18 Victor Engineering174 WE Technical Services8 Wandit Mfg168 Williams Brothers34 Wilshire Model Center163 Windsor Propeller Co151 Wing Mfg Co10 World Engines141 Cover 4 Yale Hobby Mfg Inc15 Zenith Aviation99 Nick Ziroli Models134 score 4 maneuver other three 9 Nationalism has seen before resulted banning individuals future judging individual score sheets flight will critically analyzed host nation determine whether such action needed future 20% maximum bonus will definitely affect choice model type bonus biplanes undercam bered airfoil has eliminated Some contestants multi-engined models formed opinion judges already discounting scores 178 Model Aviation Now available THE WORLDS VINTAGE SAILPLANES 1908-45 Martin Simons Hard bound 176 pages quality paper 248 beautiful black white photos plus 65 color plates nearly 100 finely detailed scale drawings magniti cent collection rare information classic old timers SPECIAL CONESS1ON OFFER FROM THE PUBLISHER ONLY avail able readers send us 2 International Reply Coupons Ask Post Office will airmail free color brochure price details tell order Write now KOOKABURRA TECHNICAL PUBLICATIONS Pty Ltd P0 Box 648 Dandenong 3175 Victoria Australia No 531Terrible Coupe$475 FF Rubber-power Coupe dHiver spans 48 No 532Baby Bird$400 CL Tiny Stunter uses 049 diesel/glow spans 34Ain No 533Cessna C-37$500 RC Scaler 30s plane 049110 power 2-ch spans 421Ain No 5341938 Challenger$550 RC Y2A Texaco Old-Timer spans 47Y2 O49engine 2-chRC No193Stiletto CL Stunt model McDonald winner 197819801982 PAl World Champs$375 No239Blue Birds AC Ken Willards formation plane 4-channel 10/15 power$ No262Crashmaster CL Crash-proof trainer two sizen15/30 35/40 power8125 No302Mini P-i 6 AC Sarpolos 049 ducted-fan sport flierfor 2-channel Balsa wings tail lose otmotere$275 No3101939 Fleet Biplone AC Sport Scale 35/404-channel Wingspan 56 Vs scale Two sheets$825 No314Oroke II AC Ken Willards flying hoat foe 3-channel 15-power fly land rornovable tear$375 No326Taylor Cab AC Don SmIls Schoolyaed-Scale 049s2-3 channel Spans SOin*350 No332Zephyr AC Small 2-channel gliderforhand-launchortow thermal orolope soaring$280 No396Laser206 AC Sport Scale replica championship Aerohatic ffier Uses 40 power 4-5 channel Two sheets$t075 Ne414Electric Spunky AC Electric-powered ton flierfor 05 motor 3-channel AC scaled-op t939 robber-pewerfanorite$050 Ne430Irooside AC Zippy little sportoterfor 10115 power 3-channel AC$400 Ne433Watts Up AC Electric-powered glider 2-3 channels 035 motorspano 52 in$450 No436Cruiser FF Emhryo Endurance robber-powerfon ship has hig-madel characterintics$200 No440Canalier AC Old-Timer-like now design fos hogewing foreasy flights 35 power 3-ch Two shts81725 No444Firehelt AC Pusher canard epurt/pattern uses 40 posher engino 4channel Has swept-forward foam wings$850 No4415/sA Miss America AC Old-limer ISA Texaco model 040 glow 2-channels$050 No452Gee BeeZ ACtluartnr-scalespanslltu in. uses 90 power Foursheets81800 No454Sweet P-36 FF Neat stick-and-tissoe Outdoor Auhher P-30class model isa confers-winner$200 No451Spectra AC Electric-power forOSsize motor unno 3 differeotwings sport soaring aerobatics$700 No4604-40ACShoulder-wjognporsflierfor4-cycle 40-size engine4 channels8850 No465Blue Mao II AC Fun-fly sporteterfor 40-nize engines spans 52 lightweight stmctore$700 No480Smoother CL Stunter 20/35 power Design hasad hyhrid Smoothie/Nobler8675 No476Strokec AC Mid-wing sportoter ones 40/45 four-stroke engine spans 50 tail-dragger8850 Na476Buttercup AC Cute elfin sportoter uses micro 2-ch AC pulse-rudder Spans 27 020/035 power8300 No487Cap 21 AC Scale Aerobatic planefor 40-size engine spans 62 Two thents$1000 Na488MB-i FF Jumbo Aubber Scale 1920-era Thomas Moron hiplane spans 37 in$500 No406Waukeoder AC Low-wing sport flier 20-true 4-stroke engine spans 47 in$575 Na4094-60 AC Doc Mathews great sportflier 60-size four-strokernegien opens 70 Two sheets$1275 Na506Fakker DVIII AC Sport Scale model WW monoplane unee 90 four-stroke engine spans 03 Two aheets81600 No501Eledecker CL Spoot scale model early 1APr11 monoplane power spans 23r/e in$200 No602Bill Wioters Vaakand FF Sport flier down-sized 02-powered version oft 840s cabin plane Spans 33 in$225 Ne563Buzzhot AC Slope-soarerspans 60 uoen2ACchannels$750 No504Turha lance II PP Aubber-powered scale model spans 19 in$150 Na505P-3B Ligletaing CLSport Scaleflghtertpans6s in. weiglo 10 lb uses twin 35s Two sheets$1175 No506Playmote AC Sport flier 3 AC channels 15/25-size engines spans 50 in8650 No607Hammmubird FF fist clans A/B competition plane won asthe 05 Nato8750 No5089-256 CL Pnefile scale WW II bomberfor twin engines spans 30 in8400 No509Roscue 18 PP fiend-Launched Glider features cumed 10-er wing OT8150 Ne510Stumper PP fiand-Launched Glider has angular 18-in wing OT$150 No611F-16CLfiprnfilescalefighterspans hastricyclelandioggear8200 No612Estra 230 AC Giant Scale acrobatic plane spans Oft uses quadra engine Two plan sheets$1650 Ne513Black Beauty AC Stop-soaring racer has foam wino 3-rh AC spane 114 in8750 No614Heary T AC Sportoterfer 2-3 channel AC spans 52 in. has adjustable wing flaps$475 No515Weotluad Whirlwind AC Sport Scale Whirl twin-engined fighterfor 10-size engines spans 55 Two plan sheets81150 Ne516Euney CL Stonterfor 40/46 power spans 58 in$675 Na517Faka Ford AC Spooster forthree engines 3-ch AC Spans 50 Two plan sheets$575 No518Preject P-i 3 PP Scale German 514W II flying wing pusher/tractorforrubber power spans 26 in$325 No519Gee Bee R-l CL Profile sport flier 25 engines spans 36 in$475 Na526Flijht Assistant Wheeled flight boo carries lets Two plan sheets$1150 No521Comet Jr Clipper Plus 35% AC Old-Timersportsterfor engine 2-cb AC spane 40 in$650 Na522Sarta Pitto AC Aeminder-scule bipe 40/60 engines straes 43 Two plan sheets$1050 Na523Dawowalker PP Superlight Onlimited/Mulvihill robber-powered cnmpetitien plane opens 42 m$400 Ne524Tesas Rat CLAnother mooed nersion Midwest Sport Aacerfor 40 esoines sparm 24 in$275 Na525Hi-Tech 2662 AC Canard dusted-fan 45 engines spans 38 Two sheets$1000 Na526Ki61 Itnia CL Mostly-cardboard sport-scale WW II Japanese fighter los 40 engine spans 60 Two plan sheets$1150 Na527Miss NJ AC World Champion PAl Pylon Aacer 40 engines spans 51 in8550 Na526Swallow AC lightweight hotdogger 40-size four-stroke engines spans 58 in8025 Na529PBY Catalina PP Skinny Scale two CO-2 motors Spans 32 All-sheet-balsa canstructiso8325 No527Tsunami CLProfile scale Aspans2l inches All-sheet-bane constwction8225 0 0 Al 0 cJ en0 -0 0 0 z0 en cr0 0 O t enCO en C nb rr 00 0 0 0 en0 0 en C en V 00 en 00 en 0 0 ME J 0 E0 m 05 CITY 00 N U Circle numbers plans wish order 193 .332 1 01 s 468 oE 50 z z 507 514 521 528 239 386 447 470 501 5a8 515 522 529 262302 414430 452454 478487 502503 509510 516517 523524 530531 S i 8 S i S i STREET 8 - STATE 310 433 457 488 504 511 518 525 532 314 438 460 490 505 512 519 526 533 Plan price includes first class postage US delivery Air Mail over 300 miles I Far orders outside US pleaso add $250 Air Mail 8125 surface mail 326 440 465 499 506 513 520 527 534 Make chock money order payable US foods Model Aviation AMA 1810 Samofil Morse Reston VA 22090 Please allow 3 6 weeks delivery Please print carefullyEnclosed $__________________________________ ZIP future 20% maximum However very few multi-engined airplanes flights error-free realism flight scores suffered badly unsteadiness roll altitude changes RC flight line enjoyed large crowds appreciative spectators applause well-done maneuver common Both Savoia Marchetti bombers dropped bombs Skip Masts parachuted cargo drop Hercules always brought enthusiastic response crowd Control spectators very good clear view thanks Narve Jensen Norwegian Aero Club well-run cham pionships thanks Hazel Sig-Hester generously supplying team shirts jackets Special thanks Mid Hudson RC Society financial support team fund Chal lenger/Kostecky Continued page 98 SAM contest Grand Island NY decided fly Challenger just fun day contest absolutely gorgeous brilliant blue sky green thermals everywhere could get up 400 ft work hard max out launched Chal lenger sporadic engine runs give 049s bad name After 5 minutes never 200 ft off ground plane plopped down pouted behind clump weeds second flight slightly richer setting saw old Challenger spiraling down several times just keep sight finally recording over 15 minutesa tad overkill 10minute max Boy pain neck rest day dollar time sniveled could have won could retire So much funnext year serious Balanced shown model flies great suspect center gravity CG could moved back some havent bothered plane super quiet evenings schoolyard all-out competitor can surpass its class SAM meet i sin S 0 S unvnCnen cLinees reac cenicnl iLLUsTrATeS race se SIX PACe PICK ECu SOUTneusren ru ARAnPeA~ i1I BuC-e Mirror 180 Model Aviation
Edition: Model Aviation - 1986/11
Page Numbers: 85, 86, 87, 88, 92, 93, 94, 176, 177, 178, 180
Scale World Championships An amazing variety Bob Dolly Wischer aircraft proto types represented Radio Control Control Line models Unlike some formeryears least RC winners circle dominated aircraft type NORWAY WAS THE HOST nation Ninth Scale World Championships action took place Kjeller Airport military field 20 miles northeast Oslo 17 nations competed47 airplanes Radio Control 13 Control Line large entry RC imposed quite burden contest management serious consideration given limiting flights two rounds end competitors given three flights contest came conclusion within allotted time because weather permitted another rain shower extra day would have needed Norwegian Aero Club organizers World Championships made some wise early decisions helped com press action five days judging done using five RC ffight judges CL static scoring CL judges RC static permitted RC flights begin before models judged Static judging began lineup winner RC Scale Max Merckenschlager Germany 1/4-scaie Bristol Scout aivina soan 73 Weight 113 lb engine lean 08 120 four-stroke Finish over lightly-dyed silk homemade dummy engine cast epoxy glass RC Scale 2nd place Wa WOfl Dy nunurusa eiiur OT wirzeriana wurn UI1-50 Lomet 1 /6-scale two 08 40 four-stroke engines Weight 1a12 lb finish ii auto lacquer Loft Dalotel Chris Foss England 1/4-scaie spans 82 weighs 94 lb finish Black Baron paint varnish overcoat RIght Australian team manager reads checklist before starting engines David Mastertons deHaviliand Drover Three Enys 40 four-stroke engInes center turning backwards power model finish paint over 0035 aluminum Left OflO Otifle iignxesi mooes EjUIIPPU CIUT55UflU UFIO MOm am wu lola gu unnu finish enamel over Solartex Right Carlo Mapelil italy haa modeled Mmarlcan umirulight homebulil ppy simple model could well World Championships competition against multi-engine airplanes engina nya 1 u Tour-airuKu models permit overview distance comparison purposes Showers interrupted static judging being done outdoors also early flights beginning flying could have used services Dave Brown Ron Hesselbrock flight-line bosses accelerate action fellows Nats Later week situation improved moving No 1 ready box point runway behind flight judges speeded action considerably future 60 70 entries can expected two sets judges will required some flight scores may suffer because unequal exposure threeflight schedule could easily have happened Oslo because entries expected arrived some dropouts among USSR RC teama major disappoint ment everyone evident Soviet team will appear until winning potential Considering small number aero club members available organization well-run meet two hotels nearest within walking distance airport about mile used headquarters setting im pressive Surrounding hills forested have hundreds pretty homesites slopes hotel located slight knoll spectacular views windows Everyone evening meal together large room Smaller side rooms popular spots social gatherings evenings Nor wegian Aircraft Museum specially opened evening almost everyone chance see collection 21 hours daylight July Oslo latitude evening activity wasnt limited Saturday night banquet party continued until 4 am well after daybreak Several nations made first-ever appear ances Scale WCamong Japanese mistaken impression would come champion ships until ready sweep top places definitely case really came learn enjoy themselves truly delight ful group above average models flying skills yet world-beating con tenders first-flight jitters same everyone settled down afterward show cham pionship material first flights exciting Okamotos Nieuport 11 takeoff almost wiping out judges scramble 86 Model Aviation maui compiax moasi UT maui mis r- ouiii DY Philip Avonds jet fighter pilot Belgium Twin KAB 75 engines spin Turbax rotors mounted fiberglass shrouds model made obechi plywood has foam wings its 1/9scale spans 57 Right BE-2c Jurgen Steinberger Germany hasa dummy engine turned milled aluminum hammered aluminum cowl Covering silk wingspan 1680 Left Vs-scale stinson Al rimotor oy ieva auger nag ma nignaststammcsuora ut Lou 00 5llUUU center 05 25 span go weight 1813 lb Homemade retracts use Rom-Air SM-79 Sparviero trimotor bomber Carlo Bergamaschi italy isi /9-scala weighs 13 lb uses mr. Left Skip Masts Lockheed NC-i 30B judging table Skip used modified Goldberg retracts main gear Rom gear nose foam 1/16-in lightweight balsa cover finish acrylic enamel over lightest-weight sllkspan Its 1/-scaie weighs 13 lb span 975 Right Australian Lloyd Dippel prepares start OS 120 GemIni twin 84-in-span Bowers Fly Baby Left Bengt Kailetrom Sweden built Klemm 35 1/5-scale Weight 10 lb 08 1 uu-wiuuiw PU U LU III UIU enamel over Polytex Right Wim Reynders Belgium modeled North American F-82B Twin tang Wingspan 177 irs sand two 08 40 FSRs provide power Wim produced own approved three-view drawing Balsa construgimon epoxy fiberglass finish quickly Nieuport repaired came back very presentable flights subsequent rounds surprisingly resilient aircraft Fortunately its Gemini engine escaped damage cartwheel landing other two airplanes Zero course T Furuta Republic P-47D25 S Takahara Japanese made inquiries about staging future World Championships country possibly 1990 Control Line Scale Soviet team expected unbeatable Valery Kramarenkos Antonov lost crash place Alex Pavlenko LI-2T copy Doug las DC-3 finished third First place again won Antonov AN-28 turboprop airliner Vladimir Fedosov high static score gave slight edge over Bulatnikovs biplane Air-i Soviet models showed highest type craftsmanship professional touch As past seemed two contests CL decide Russians would first second third another other placings US Jeff Perez Boeing B-17G overcame low static score excellent flights become leader Observers proclaimed flying best has ever done Ron Sears Stearman PT-17 enjoyed higher static score although 700 points less Paris able make reasonably good flight heavy mod el Julie Abels clipped wing Cub needed high flight scores augment low static Only few lost maneuvers prevented placing higher peculi arities CL scoring zero given models lines reach 450 prescribed number laps wondered about measurement angle Both Ron Julie victims zero maneuver Julies banner tow provided some scores 10 later flights higher judges de cided give scores both banner tow banner drop As female contestant Julies popularity resulted front-page newspaper photo Continued page 88 November 1986 87 MrJuvu uiur uarmgu oupwiln onips nsa gummy rotary engine revolves single bail bearing noseweight driven exhaust models Laser 90 four-stroke engine Nylon covering finished dope Humbroi paint Right Grum man Wildcat Switzerland Peter Muller has complex retracting gear Scale 1/65 engine 08 90 four-stroke Left /4-scale 13-lb PlUs S-2A Poul Munsberg Denmark powered 0 four-stroke engine silk-covered Simprop paint Right Mitsubishi A6M5 Zero Japan T Furuta used 08 SF 90 engIne external tank dropped flight Left colorful 1/6-scale Boeing PT-i 7 Soren Frederickason Sweden finished boat paint over Polytex engine Enya 120 four-stroke span 1s64 weighs 1 2/a lb Right VldarTolfsen Norway used Enya 90 four-stroke deHavilland Tiger Moth Mick Reeves England has now flown Scale World Championships prefers RC unable become team member returned earlier talent CL Zim 526 Akrobat model stored its travel box since last used 1974 returned service 12 years later first flight Mick discovered black rubber pickup tube inside fuel tank dis integrated model badly damaged flying inverted its second flight As expected four nations con testants CL event appeared destined reduced WC international contest make fully acceptable championship Norway became fifth nation entering semiscale Mustang Petter Harsem has done before Control Line World Championships unless something done preserve event may never another RC Scale US team suffering low static scores finished 10th 14th 22nd places static scoring positions 6th Steve Saugers Stinson Trimotor 23rd Skip Masts C130 Hercules 34th Cliff Tacies Trimotor Savoia Marchetti affectionately known spaghetti bomber large deficits make up 2Oto 30% bonuses applied flight scores Steves Stinson its 25% bonus three engines retracts conventional tail-dragger landing gear hope well competition would have needed near-perfect flight Small errors accumulate some can very damaging example take off scored 1 10 judge perfect takeoff can give score 50 10 five judges weighting multiplication K factor degree difficulty 10 producing total score 500 25% bonus 500 escalates 625 swerve takeoff run can substantially reduce score certainly advisable make takeoff landing perfectly maneuvers win lose FM Scale contests judges decide swerve reduced score five unlikely total maneuver alone will have lessened 312 points Steve Saugers Stinson Trimotor con sidered glamour machines contest attracted generous attention US entry found overweight supersensitive digital readout scale Steve solved problem substituting lighter 450 mAh battery pack larger cells model own examination static scoring reinforced belief Stinson deserved better place However must pointed out Steves documentation could have better Though Steves flying improved round 25% bonus couldnt overcome small errors flight Continued page 92 88 Model Aviation Left Cliff Tacles Savola Marchetti SM-Si 1/11-scale 85-in wingspan three K&B 35 engines Weight Ia 13 lb Finish Sig butyrate dope over Super Coverite Silkapun Covent wings Above Jean Roumseau France brought new Moynet Jupiterto Oslo An earlier model destroyed Lemourget 1984 Engines 08 40 FSR Covering sheet aluminum Skip Mast completely new Lock heed HC-1 30 Hercules Oslo Its 30% bonus highest meet Skips low static score largely result absence surface detail Modeling very large airplane Y16-scale affects amount detail can applied Engine prob lems affected flight scores engine stopped model rotated takeoff first flight judges gave credit three-engine flight although rule states engines must running takeoff given credit four-engine flight becomes question whether propeller still turning instant wheels parted runway cules flies very well three engines Augmented its 30% bonus highest flight scores three US models Taxi points lost K&B 35 engine needed restart before takeoff Two flights completed four engines running Cliff Tacies Savoia Marchetti Trimotor bomber given very low static score documentation consisted photos publication profile-type threeview drawing External details difficult reproduce apply large airplane reduced Yii-scale Cliff also engine problems first attempt model nosed over suddenly just ready lift runway flight engines throttled end taxi maneuver engine stopped restarted taxi points lost US team used radio equip ment furnished Airtronics same frequency could interchange transmitters necessary models equipped Airtronics smallest lightest servos important item mod els built up maximum weight allowed Radio problems nonexistent contestants throughout meet Seventeen biplanes entered championships first place -scale Bristol D Scout Max Merckenschlager West Germany flown muffled OS 120 four-stroke large-diameter propeller extreme quietness flights made low throttle settings further reduced ex haust noise Max already accumulated enough points very first flight win event flying technique very steady no unnecessary changes Left S Takahara Japan used 05 61 Republic P-47-D25 Thunderbolt Complexcontrais forthe sliding canopyand bomb drop Right 1 /6-scaie Fokker instructor S-i 1-1 William Noordegraaf Netheriandsscratch-bulit varnish over silk paint 92 Model Aviation US team L-R Julie Abel Piper J-3 Jeff Perez Boeing B-i 7G Ron Sears Stearman PT-i 7 MlkeGretzasst team manager Dolly Wischerteam manager SteveSaugerStin son Tn motor Skip Mast Lockheed Hercules Cliff Tacie Savola Marchetti SMSI Left Peter Miii Canada deHavilland Chipmunk built Bob Holman plans Peter made own fiberglass fuselage foam wings its 1 /6-scale spans 68 weighs ge lb uses Supertigre 61 finish KAB epoxy overCoverite Above 1/4 scale Bucker Jungmeister Jarno Helasuc Finland finished Coverite enamel engine Enya 120 four-stroke altitude direction absolutely no errors Remarkably accomplished using biplane undercambered airfoil airplanes dyed silk cov ering clear dope finish gave ap pearance light weight fact built up 6kg weight limit realistic dummy engine crankcase formed epoxy fiberglass silicone molds other pilots counting better weather improved flying conditions later rounds hope steadier hand controls Max contest won first day flying second place deHavilland 88 Comet Hansruedi Zeller Switzer land first seen La Bourget 1984 made some improvements notably throttle trim system possible steer taxiing changing individual settings two 0S 40 fourstroke engines also capability synchronize engine rpm air system model very steady during flight being racer could flown quite fast losing realism points Hansruedis dive straight flight below six meters altitude always thrill watch addition being excellent pilot also master showman Also Switzerland third place Let Vladimir Boulatnikov USSR 2nd CL Scale Air 1 Webra 61 dummy Blackburn Cirrus engine working valve rockers belt-driven An animated dummy pilot salutes turns Its head Right Four years effort team professionals produced LI-2T Douglas DC-3 look-alike flown 3rd place Alexandr Pavienko USSR Engines handmade specials Left Marlan lazirod Poland second-highest flight scores CL very low static score Model isa Zlin SOL Harlan uses Webra 61 engine haul model around Right Hick Reeves England resurrected venerable Ziin Akrobat built 1969 entered three Control Line World Championships 1970 1972 1974 flown since met Its fate crash inverted November 1986 93 Firs piace ionrroi Line G8I6 weawun again u ,ilr Fedesovof USSR Antonov AN-28 turboprop airliner pair speckany-made 60 engines bevel gear drives fitted narrow nacelles Reversible-pitch props used taxiing Len wecironlcrnrouie tiaps drop tank homemade retracts 15-lb model covered 005 aluminum iitho plate Hastwo lruru viuginwa hIs Boeing B-i 70 75-in span 12 lb four 0S 25 engInes three Worli Left AdsHavilland OH-OS Mosquito Loch Podgorskl Poland used two Webra 40 engines hasfiown Worid Champs Right Ron Sears PT-i 7 Stearman Kaydet 181 /6-scais 641/2-in span Supertlgre 60 FInish Randoiph dope enamei over Coverite Bucker Jungmeister Konrad Qetiker highest static score Mistakes bad landing damaged landing gear kept scores low first two flights Konrad returned finish excellent third round also gave Swiss team first place Biplanes proving real contenders Five first nine places biplanes Chris Foss England 82-inspan -scale Dalotel proved aero batic monoplane could contend biplanes also made clear twostroke 60 engine well muffled could match four-strokes quietness OS 60 FSR carried large model dif ficulty respect Dalotel different weighed 43kg 95 lb Chris model well under maximum weight chosen different route success Two years ago David Masterton Australia come Paris victory trimotor deHavilland Drover very high flight scores Oslo static score slipped down ward different set judges Dave arrived early done Paris foam-and-balsa practice trimotor airplane cut seven pieces transportation good practice field wasnt available Dave made couple flights before competition began meticulous professional pilot has team manager read off 10-item checklist before flight engines 05 40 four-strokes center engine having reverse rotation provide straight-line 500-point takeoff necessary win ning effort course also means needs reversing switch starter motor center engine well lefthand prop model completely cov ered aluminum alloy sheet 003 5 thick specially rolled hardness pre vent handling damage contact adhesive used fasten aluminum 2-in balsa substratum rivet detail embossed aluminum rear Washout seven degrees Drovers tapered wings provides stability slow speeds Daves slow steady flights attest its value First ducted-fan model complete flight Scale World Championships McDonnell-Douglas F-15C Eagle Philip Avonds Belgium twin K&B 75 engines used tuned pipes because model already 6kg weight limit first flight Oslo also models first everyones surprise performed perfectly until engine quit landing heavy its carbon-fiber landing gears damaged Philip made hasty repairs carbon fiber model designed scratch-built Avonds using obechi plywood balsa foam wings wings complex airfoil faithfully reproduced semi-symmetrical section root sharp washout twist thin undercambered tips Rotors Tar bax shrouds stators made layer 5-oz fiberglass cloth models exterior finished glass cloth epoxy paint furnished factory its second flight vibration engine caused rotor shifting off center third flight same problem fractured crankshaft complete Continued page 176 94 Model Aviation Lert JUlIO RDI5 oanner tow clipped wing Piper Cub earned high flight scores model orIginated Sig kit its engine 08 40 FSR span 57 its finished Covent dope Above Henryk Stecyk Poiand used US prototype OV-1 OA Bronco CL Scale Two Webra Speed 61. J ur ngIanu umug pair U5 .n engines tor nis uougias L-4A UaKOta nag uAgwileht flights unfortunateiy iow static score cancelied out effort time chase retrieve everyone get three flights Several latecomers caught unawares missed 700-to-800 am round out Another several launch line 750 furiously winding shouting timers no avail Motors popping shreds flying whistle went off schedule close round part flying low key very high quality hordes camera bugs launch along lots ofjolly good advice thermal picking let go going round cheers successful groans various inevitable smushes Conditions field could have better tem perature 90s rather usual 110 very low humidity slight drift early generally benign thermalsalthough eight models dis appeared overhead during memorable boomer Genial Jim Adams maxed-out Gor don S Light replica win first place closely followed Bob Langdons latter day Light played game winners since contest unique its ingredients its vintage quality its spirit being US team flying Wakefield against inter national entry truly great site thrill enough word unforget table As bottom line 50th reenactment 1937 Wakefield Cup contest will held Old Warden England already shuffling paper bank preparation Scale WC/Wischers Continued page 94 flights models sixth-place finish could have much improvedhelped high static score 20% bonus Three biplanes finished 7th 8th 9th placesa BE-2c Jurgen Steinberger W Germany DH-82 Tiger Moth Kjell-Ake Elofsson Sweden Sorrel Guppy ultralight Carlo Mapelli Italy Guppy model reversion past model simple airplane well done detail reproduced minia ture could contender first place BOX 429SKYLAND N C28776 THE DIFFERENT FOAM MODEL Lowest Cost Modeling 3 3 Send Si 00 latest fine-grain sheet foam 3 developments foam samples FREE foam 3 sources Hard Shell finishes now Ilable Dozens easy build foam air plane plans Peanuts RIC FOAM SCALE MODELS Box 662MA St Croix Falls WI 54024 III 0CS Antique Military Civiliart Helicopier8 Sailpianes color FOTOPAAKSKOKU-FAN 3-vIews 40OCO pictures stock2000 drawinqa siock Vacation I Handy Disney World l0oR LD Kennedy Space Center rest Florida 3 Bedrooms sleeps 8 Kitchen A/C Pool Ttnnis lots R/C flying Nov-May $500 ink / June-Oct 1400 ink / isightly & monthly rates also available 007 528-4e43 176Model Aviation PRESENTING FL INGER THE ULTIMATE SMALL SAILPLANE HANDLAUNCH HI-STARTorSLOPE WINGSPAN 57 WEIGHT l2oz MACHINECUT PARTS DEALERS&DIST INQUIRIES INVITEDFLINGER LJMP 110 $2995 ELECTRA L ITE-iCARUS-PANTERA METEOR-ELECTRICUS-WHISTLER PR ELUDE-COMET LARRY JOLLY MODEL PRODUCTS 5501 W COMO SANTA ANA CALIFORNIA 92703 714 826 6861 PUZZLED CALL MATT No time build Mutt itlil hove time. know 1 Complete Call 9am -8 pm lEST 2 Semi-Assembled609-395-1672 Irsady cover sandedi Malts Model BuildingPG Box U 1 Stockton Drive Crmnbnrv NJ 93512 Rate cards available reel SASE 14-1/8o9-1/21 also build Cars louts FLYING NEAR AIRPORTS BE CAREFUL PROTECT YOUR RIGHT TO FLY Safe Flying No Accident LAThES INS MACHINe IN SlOP tUPPLIES the Aviation Medal //OMACHINERY AN5JLS $1308-5838I vOle,, ,vOrf,r,doo adqvI QUALITY FREE FLIGHT KITS AND SUPPLIES FOR COMPETITION AND SPORT SINCE 1975 Dealer inquiriesCatalog SOt invited .BLUE RIDGE MODELS rMoRE POWER WITH LESS NOISE four-cycle measuring up expectations read Make engine before Make 60 120 four-stroke less means 1 Quieter glow 2 More mellow sounding four-cycle 3 More usable power both 4 Highest power-to-weight ratio 5 The lowest idle ever 6 Increase mileage up 4 times 7 Runs cooler glow 8 No glowplugs fail 9 Increased reliability 10 Fuel available concentrate Conversion kits available 049 30 cid Schnuerle ported engines Its sim ple just change heads fuel What waiting Dust off two-cycle DIESELIZE Send self-addressed stamped enve lope 60 information call 203-877-1670 between 730 pm 930 pm EST DAVIS DIESEL DEVELOPMENT PO Box 141 Milford CT 06460 leader quiet combustion technolo since 1976 Carlo predicted simple airplane could beat complex US multi-engined aircraft correctwith 10% bonus biplane tail-dragger static score among highest very difficult judges find fault ultra-simple model Carlo needed good flight Static judging done outdoors model being presented viewing contestants helpers model viewed sides including bottom done distance three meters nearest part model Since judges models moved small models received little less scrutiny Judging surface texture crafts manship scale detail done distance meter Balsa sticks 1 meter length carried judge assure came too close US judge George Buso acted chief judge RC static scoring also CL flights lack US judge RC flight line source some consternation US con testants especially after seeing low static scores well low first-flight scores some question favor itism being shown two judges would fIt4P little device sounds beep guide right plane Easily mounts smallest planes Use connector plug receiver same servo Also tells someone frequency solid state crystal oscillator Comes ready mount full structions included WT 1 oz DIM 1 x2 3/8 x IN USA CLUB DISCOUNTS AVAILABLE * ASK * SEND CHECK OR MONEY ORDER TO ELECTRONIC DESIGNS INC BOX Z 1925 GREENWOOD LK TPK HEWITT NEW JERSEY 07421 PHONE 201 728-1616 Plus $200 Shipping cont USA NJ Residents add 6% Sales Tax COD add $200 Allow 2 wks Shipping November 1986 177 9 ONLY onding advertisers mention read about Model Aviation rAlV V JD X ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX Academy Aviation R&D147 Ace Radio Control14 Aerodrome Models Ltd138 Aerospace Composite Products145 Airtronics2 Altech Marketing19 American Jr Aircraft Co166 Applied Design Corp135 Astro Flight10 Quay Barber Models166 Beer Can Bombers180 Bell Rock Industries146 Blue Ridge Machinery & Tools176 Blue Ridge Models176 Dave Brown Products34 Bru Line Industries140 Byron Originals147 Carolina Model & Hobby Expo172 Carolina-Taffinder166 Johnnie Casburn Mfg145 Circus Hobbies152-153 Cleveland Model Supply168 Eric Clutton22 Consumers Guide150 Coverite23 139 Cox Hobbies1 DGA Designs154 171 Davis Diesel Development176 Dodgson Designs168 Dougs Hobby Shop156-161 Du-Bro Products Inc162 Dynathrust Props163 Electronic Design Corp177 FAI Model Supply138 FHS Supply Inc4 Flyline Models166 Foam Scale Models176 Fourmost Products140 Fox Mfg146 Futaba Corp America21 GM Precision Products84 Gator RC Products134 Geometron Co145 Carl Goldberg Models83 Golden Era Plans167 Golden Gate East165 Gorham Model Products90-91168 Great Planes Model Mfg Co164 Harry B Higley & Sons175 Haviland Aircraft151 Helicopters Unlimited5 Historic Aviation17 Hobby Barn 137 Hobby Horn146 Hobby Lobby International175 Hobby Woods154 lkonNW146 Indy RC Sales Inc142-144 JTec174 Larry Jolly Model Products176 Jomar165 K&B Mfg165 K&S Engineering175 Kookaburra Technical Publications178 Kustom Kraftsmanship165 Lake Enterprises164 Leisure Electronics89 Lone Star Models18 MACS Products165 Matts Model Airplanes176 McDaniel RC Service14 Messers Quality Model Prod154 Micro Mark12-13 Micro Model Engineering135 Model Products Corp166 Model Rectifier CorpCovers 2 & 3 Sid Morgan Plans174 Morley USA170 Mutchlers Hobbies148-149 NEPRO168 Northeast Screen Graphics167 PK Products170 Pacer Technology177 Pelican Enterprises175 Penn Valley Hobby Center166 Pica Products9 Plasticote179 Polks Hobby6-7 Progress Mfg Co8 Pro-Tune Corp34 RC Buyers Guide171 RC Extras138 RC Vacation176 Radio South151 Repla-Tech International22 Robbe Modellsport155 Roush Mfg22 SR Batteries173 Sachs TG167 Sagan Industries164 Satellite City135 Scale Model Research176 Sermos RC Snap Connectors172 Shamrock Competition Imports173 Sheldons Hobby Shop20 Sig Mfg Co163 Bob Smith Industries150 170 Super Cyclone Engines138 Swanson Assoc150 RC Sweitzer Enterprises141 T&D Research Associates20 Tatone Products Co173 Top Flite Models Inc140 Tower Hobbies169 Tru-Turn22 VL Products18 Victor Engineering174 WE Technical Services8 Wandit Mfg168 Williams Brothers34 Wilshire Model Center163 Windsor Propeller Co151 Wing Mfg Co10 World Engines141 Cover 4 Yale Hobby Mfg Inc15 Zenith Aviation99 Nick Ziroli Models134 score 4 maneuver other three 9 Nationalism has seen before resulted banning individuals future judging individual score sheets flight will critically analyzed host nation determine whether such action needed future 20% maximum bonus will definitely affect choice model type bonus biplanes undercam bered airfoil has eliminated Some contestants multi-engined models formed opinion judges already discounting scores 178 Model Aviation Now available THE WORLDS VINTAGE SAILPLANES 1908-45 Martin Simons Hard bound 176 pages quality paper 248 beautiful black white photos plus 65 color plates nearly 100 finely detailed scale drawings magniti cent collection rare information classic old timers SPECIAL CONESS1ON OFFER FROM THE PUBLISHER ONLY avail able readers send us 2 International Reply Coupons Ask Post Office will airmail free color brochure price details tell order Write now KOOKABURRA TECHNICAL PUBLICATIONS Pty Ltd P0 Box 648 Dandenong 3175 Victoria Australia No 531Terrible Coupe$475 FF Rubber-power Coupe dHiver spans 48 No 532Baby Bird$400 CL Tiny Stunter uses 049 diesel/glow spans 34Ain No 533Cessna C-37$500 RC Scaler 30s plane 049110 power 2-ch spans 421Ain No 5341938 Challenger$550 RC Y2A Texaco Old-Timer spans 47Y2 O49engine 2-chRC No193Stiletto CL Stunt model McDonald winner 197819801982 PAl World Champs$375 No239Blue Birds AC Ken Willards formation plane 4-channel 10/15 power$ No262Crashmaster CL Crash-proof trainer two sizen15/30 35/40 power8125 No302Mini P-i 6 AC Sarpolos 049 ducted-fan sport flierfor 2-channel Balsa wings tail lose otmotere$275 No3101939 Fleet Biplone AC Sport Scale 35/404-channel Wingspan 56 Vs scale Two sheets$825 No314Oroke II AC Ken Willards flying hoat foe 3-channel 15-power fly land rornovable tear$375 No326Taylor Cab AC Don SmIls Schoolyaed-Scale 049s2-3 channel Spans SOin*350 No332Zephyr AC Small 2-channel gliderforhand-launchortow thermal orolope soaring$280 No396Laser206 AC Sport Scale replica championship Aerohatic ffier Uses 40 power 4-5 channel Two sheets$t075 Ne414Electric Spunky AC Electric-powered ton flierfor 05 motor 3-channel AC scaled-op t939 robber-pewerfanorite$050 Ne430Irooside AC Zippy little sportoterfor 10115 power 3-channel AC$400 Ne433Watts Up AC Electric-powered glider 2-3 channels 035 motorspano 52 in$450 No436Cruiser FF Emhryo Endurance robber-powerfon ship has hig-madel characterintics$200 No440Canalier AC Old-Timer-like now design fos hogewing foreasy flights 35 power 3-ch Two shts81725 No444Firehelt AC Pusher canard epurt/pattern uses 40 posher engino 4channel Has swept-forward foam wings$850 No4415/sA Miss America AC Old-limer ISA Texaco model 040 glow 2-channels$050 No452Gee BeeZ ACtluartnr-scalespanslltu in. uses 90 power Foursheets81800 No454Sweet P-36 FF Neat stick-and-tissoe Outdoor Auhher P-30class model isa confers-winner$200 No451Spectra AC Electric-power forOSsize motor unno 3 differeotwings sport soaring aerobatics$700 No4604-40ACShoulder-wjognporsflierfor4-cycle 40-size engine4 channels8850 No465Blue Mao II AC Fun-fly sporteterfor 40-nize engines spans 52 lightweight stmctore$700 No480Smoother CL Stunter 20/35 power Design hasad hyhrid Smoothie/Nobler8675 No476Strokec AC Mid-wing sportoter ones 40/45 four-stroke engine spans 50 tail-dragger8850 Na476Buttercup AC Cute elfin sportoter uses micro 2-ch AC pulse-rudder Spans 27 020/035 power8300 No487Cap 21 AC Scale Aerobatic planefor 40-size engine spans 62 Two thents$1000 Na488MB-i FF Jumbo Aubber Scale 1920-era Thomas Moron hiplane spans 37 in$500 No406Waukeoder AC Low-wing sport flier 20-true 4-stroke engine spans 47 in$575 Na4094-60 AC Doc Mathews great sportflier 60-size four-strokernegien opens 70 Two sheets$1275 Na506Fakker DVIII AC Sport Scale model WW monoplane unee 90 four-stroke engine spans 03 Two aheets81600 No501Eledecker CL Spoot scale model early 1APr11 monoplane power spans 23r/e in$200 No602Bill Wioters Vaakand FF Sport flier down-sized 02-powered version oft 840s cabin plane Spans 33 in$225 Ne563Buzzhot AC Slope-soarerspans 60 uoen2ACchannels$750 No504Turha lance II PP Aubber-powered scale model spans 19 in$150 Na505P-3B Ligletaing CLSport Scaleflghtertpans6s in. weiglo 10 lb uses twin 35s Two sheets$1175 No506Playmote AC Sport flier 3 AC channels 15/25-size engines spans 50 in8650 No607Hammmubird FF fist clans A/B competition plane won asthe 05 Nato8750 No5089-256 CL Pnefile scale WW II bomberfor twin engines spans 30 in8400 No509Roscue 18 PP fiend-Launched Glider features cumed 10-er wing OT8150 Ne510Stumper PP fiand-Launched Glider has angular 18-in wing OT$150 No611F-16CLfiprnfilescalefighterspans hastricyclelandioggear8200 No612Estra 230 AC Giant Scale acrobatic plane spans Oft uses quadra engine Two plan sheets$1650 Ne513Black Beauty AC Stop-soaring racer has foam wino 3-rh AC spane 114 in8750 No614Heary T AC Sportoterfer 2-3 channel AC spans 52 in. has adjustable wing flaps$475 No515Weotluad Whirlwind AC Sport Scale Whirl twin-engined fighterfor 10-size engines spans 55 Two plan sheets81150 Ne516Euney CL Stonterfor 40/46 power spans 58 in$675 Na517Faka Ford AC Spooster forthree engines 3-ch AC Spans 50 Two plan sheets$575 No518Preject P-i 3 PP Scale German 514W II flying wing pusher/tractorforrubber power spans 26 in$325 No519Gee Bee R-l CL Profile sport flier 25 engines spans 36 in$475 Na526Flijht Assistant Wheeled flight boo carries lets Two plan sheets$1150 No521Comet Jr Clipper Plus 35% AC Old-Timersportsterfor engine 2-cb AC spane 40 in$650 Na522Sarta Pitto AC Aeminder-scule bipe 40/60 engines straes 43 Two plan sheets$1050 Na523Dawowalker PP Superlight Onlimited/Mulvihill robber-powered cnmpetitien plane opens 42 m$400 Ne524Tesas Rat CLAnother mooed nersion Midwest Sport Aacerfor 40 esoines sparm 24 in$275 Na525Hi-Tech 2662 AC Canard dusted-fan 45 engines spans 38 Two sheets$1000 Na526Ki61 Itnia CL Mostly-cardboard sport-scale WW II Japanese fighter los 40 engine spans 60 Two plan sheets$1150 Na527Miss NJ AC World Champion PAl Pylon Aacer 40 engines spans 51 in8550 Na526Swallow AC lightweight hotdogger 40-size four-stroke engines spans 58 in8025 Na529PBY Catalina PP Skinny Scale two CO-2 motors Spans 32 All-sheet-balsa canstructiso8325 No527Tsunami CLProfile scale Aspans2l inches All-sheet-bane constwction8225 0 0 Al 0 cJ en0 -0 0 0 z0 en cr0 0 O t enCO en C nb rr 00 0 0 0 en0 0 en C en V 00 en 00 en 0 0 ME J 0 E0 m 05 CITY 00 N U Circle numbers plans wish order 193 .332 1 01 s 468 oE 50 z z 507 514 521 528 239 386 447 470 501 5a8 515 522 529 262302 414430 452454 478487 502503 509510 516517 523524 530531 S i 8 S i S i STREET 8 - STATE 310 433 457 488 504 511 518 525 532 314 438 460 490 505 512 519 526 533 Plan price includes first class postage US delivery Air Mail over 300 miles I Far orders outside US pleaso add $250 Air Mail 8125 surface mail 326 440 465 499 506 513 520 527 534 Make chock money order payable US foods Model Aviation AMA 1810 Samofil Morse Reston VA 22090 Please allow 3 6 weeks delivery Please print carefullyEnclosed $__________________________________ ZIP future 20% maximum However very few multi-engined airplanes flights error-free realism flight scores suffered badly unsteadiness roll altitude changes RC flight line enjoyed large crowds appreciative spectators applause well-done maneuver common Both Savoia Marchetti bombers dropped bombs Skip Masts parachuted cargo drop Hercules always brought enthusiastic response crowd Control spectators very good clear view thanks Narve Jensen Norwegian Aero Club well-run cham pionships thanks Hazel Sig-Hester generously supplying team shirts jackets Special thanks Mid Hudson RC Society financial support team fund Chal lenger/Kostecky Continued page 98 SAM contest Grand Island NY decided fly Challenger just fun day contest absolutely gorgeous brilliant blue sky green thermals everywhere could get up 400 ft work hard max out launched Chal lenger sporadic engine runs give 049s bad name After 5 minutes never 200 ft off ground plane plopped down pouted behind clump weeds second flight slightly richer setting saw old Challenger spiraling down several times just keep sight finally recording over 15 minutesa tad overkill 10minute max Boy pain neck rest day dollar time sniveled could have won could retire So much funnext year serious Balanced shown model flies great suspect center gravity CG could moved back some havent bothered plane super quiet evenings schoolyard all-out competitor can surpass its class SAM meet i sin S 0 S unvnCnen cLinees reac cenicnl iLLUsTrATeS race se SIX PACe PICK ECu SOUTneusren ru ARAnPeA~ i1I BuC-e Mirror 180 Model Aviation
Edition: Model Aviation - 1986/11
Page Numbers: 85, 86, 87, 88, 92, 93, 94, 176, 177, 178, 180
Scale World Championships An amazing variety Bob Dolly Wischer aircraft proto types represented Radio Control Control Line models Unlike some formeryears least RC winners circle dominated aircraft type NORWAY WAS THE HOST nation Ninth Scale World Championships action took place Kjeller Airport military field 20 miles northeast Oslo 17 nations competed47 airplanes Radio Control 13 Control Line large entry RC imposed quite burden contest management serious consideration given limiting flights two rounds end competitors given three flights contest came conclusion within allotted time because weather permitted another rain shower extra day would have needed Norwegian Aero Club organizers World Championships made some wise early decisions helped com press action five days judging done using five RC ffight judges CL static scoring CL judges RC static permitted RC flights begin before models judged Static judging began lineup winner RC Scale Max Merckenschlager Germany 1/4-scaie Bristol Scout aivina soan 73 Weight 113 lb engine lean 08 120 four-stroke Finish over lightly-dyed silk homemade dummy engine cast epoxy glass RC Scale 2nd place Wa WOfl Dy nunurusa eiiur OT wirzeriana wurn UI1-50 Lomet 1 /6-scale two 08 40 four-stroke engines Weight 1a12 lb finish ii auto lacquer Loft Dalotel Chris Foss England 1/4-scaie spans 82 weighs 94 lb finish Black Baron paint varnish overcoat RIght Australian team manager reads checklist before starting engines David Mastertons deHaviliand Drover Three Enys 40 four-stroke engInes center turning backwards power model finish paint over 0035 aluminum Left OflO Otifle iignxesi mooes EjUIIPPU CIUT55UflU UFIO MOm am wu lola gu unnu finish enamel over Solartex Right Carlo Mapelil italy haa modeled Mmarlcan umirulight homebulil ppy simple model could well World Championships competition against multi-engine airplanes engina nya 1 u Tour-airuKu models permit overview distance comparison purposes Showers interrupted static judging being done outdoors also early flights beginning flying could have used services Dave Brown Ron Hesselbrock flight-line bosses accelerate action fellows Nats Later week situation improved moving No 1 ready box point runway behind flight judges speeded action considerably future 60 70 entries can expected two sets judges will required some flight scores may suffer because unequal exposure threeflight schedule could easily have happened Oslo because entries expected arrived some dropouts among USSR RC teama major disappoint ment everyone evident Soviet team will appear until winning potential Considering small number aero club members available organization well-run meet two hotels nearest within walking distance airport about mile used headquarters setting im pressive Surrounding hills forested have hundreds pretty homesites slopes hotel located slight knoll spectacular views windows Everyone evening meal together large room Smaller side rooms popular spots social gatherings evenings Nor wegian Aircraft Museum specially opened evening almost everyone chance see collection 21 hours daylight July Oslo latitude evening activity wasnt limited Saturday night banquet party continued until 4 am well after daybreak Several nations made first-ever appear ances Scale WCamong Japanese mistaken impression would come champion ships until ready sweep top places definitely case really came learn enjoy themselves truly delight ful group above average models flying skills yet world-beating con tenders first-flight jitters same everyone settled down afterward show cham pionship material first flights exciting Okamotos Nieuport 11 takeoff almost wiping out judges scramble 86 Model Aviation maui compiax moasi UT maui mis r- ouiii DY Philip Avonds jet fighter pilot Belgium Twin KAB 75 engines spin Turbax rotors mounted fiberglass shrouds model made obechi plywood has foam wings its 1/9scale spans 57 Right BE-2c Jurgen Steinberger Germany hasa dummy engine turned milled aluminum hammered aluminum cowl Covering silk wingspan 1680 Left Vs-scale stinson Al rimotor oy ieva auger nag ma nignaststammcsuora ut Lou 00 5llUUU center 05 25 span go weight 1813 lb Homemade retracts use Rom-Air SM-79 Sparviero trimotor bomber Carlo Bergamaschi italy isi /9-scala weighs 13 lb uses mr. Left Skip Masts Lockheed NC-i 30B judging table Skip used modified Goldberg retracts main gear Rom gear nose foam 1/16-in lightweight balsa cover finish acrylic enamel over lightest-weight sllkspan Its 1/-scaie weighs 13 lb span 975 Right Australian Lloyd Dippel prepares start OS 120 GemIni twin 84-in-span Bowers Fly Baby Left Bengt Kailetrom Sweden built Klemm 35 1/5-scale Weight 10 lb 08 1 uu-wiuuiw PU U LU III UIU enamel over Polytex Right Wim Reynders Belgium modeled North American F-82B Twin tang Wingspan 177 irs sand two 08 40 FSRs provide power Wim produced own approved three-view drawing Balsa construgimon epoxy fiberglass finish quickly Nieuport repaired came back very presentable flights subsequent rounds surprisingly resilient aircraft Fortunately its Gemini engine escaped damage cartwheel landing other two airplanes Zero course T Furuta Republic P-47D25 S Takahara Japanese made inquiries about staging future World Championships country possibly 1990 Control Line Scale Soviet team expected unbeatable Valery Kramarenkos Antonov lost crash place Alex Pavlenko LI-2T copy Doug las DC-3 finished third First place again won Antonov AN-28 turboprop airliner Vladimir Fedosov high static score gave slight edge over Bulatnikovs biplane Air-i Soviet models showed highest type craftsmanship professional touch As past seemed two contests CL decide Russians would first second third another other placings US Jeff Perez Boeing B-17G overcame low static score excellent flights become leader Observers proclaimed flying best has ever done Ron Sears Stearman PT-17 enjoyed higher static score although 700 points less Paris able make reasonably good flight heavy mod el Julie Abels clipped wing Cub needed high flight scores augment low static Only few lost maneuvers prevented placing higher peculi arities CL scoring zero given models lines reach 450 prescribed number laps wondered about measurement angle Both Ron Julie victims zero maneuver Julies banner tow provided some scores 10 later flights higher judges de cided give scores both banner tow banner drop As female contestant Julies popularity resulted front-page newspaper photo Continued page 88 November 1986 87 MrJuvu uiur uarmgu oupwiln onips nsa gummy rotary engine revolves single bail bearing noseweight driven exhaust models Laser 90 four-stroke engine Nylon covering finished dope Humbroi paint Right Grum man Wildcat Switzerland Peter Muller has complex retracting gear Scale 1/65 engine 08 90 four-stroke Left /4-scale 13-lb PlUs S-2A Poul Munsberg Denmark powered 0 four-stroke engine silk-covered Simprop paint Right Mitsubishi A6M5 Zero Japan T Furuta used 08 SF 90 engIne external tank dropped flight Left colorful 1/6-scale Boeing PT-i 7 Soren Frederickason Sweden finished boat paint over Polytex engine Enya 120 four-stroke span 1s64 weighs 1 2/a lb Right VldarTolfsen Norway used Enya 90 four-stroke deHavilland Tiger Moth Mick Reeves England has now flown Scale World Championships prefers RC unable become team member returned earlier talent CL Zim 526 Akrobat model stored its travel box since last used 1974 returned service 12 years later first flight Mick discovered black rubber pickup tube inside fuel tank dis integrated model badly damaged flying inverted its second flight As expected four nations con testants CL event appeared destined reduced WC international contest make fully acceptable championship Norway became fifth nation entering semiscale Mustang Petter Harsem has done before Control Line World Championships unless something done preserve event may never another RC Scale US team suffering low static scores finished 10th 14th 22nd places static scoring positions 6th Steve Saugers Stinson Trimotor 23rd Skip Masts C130 Hercules 34th Cliff Tacies Trimotor Savoia Marchetti affectionately known spaghetti bomber large deficits make up 2Oto 30% bonuses applied flight scores Steves Stinson its 25% bonus three engines retracts conventional tail-dragger landing gear hope well competition would have needed near-perfect flight Small errors accumulate some can very damaging example take off scored 1 10 judge perfect takeoff can give score 50 10 five judges weighting multiplication K factor degree difficulty 10 producing total score 500 25% bonus 500 escalates 625 swerve takeoff run can substantially reduce score certainly advisable make takeoff landing perfectly maneuvers win lose FM Scale contests judges decide swerve reduced score five unlikely total maneuver alone will have lessened 312 points Steve Saugers Stinson Trimotor con sidered glamour machines contest attracted generous attention US entry found overweight supersensitive digital readout scale Steve solved problem substituting lighter 450 mAh battery pack larger cells model own examination static scoring reinforced belief Stinson deserved better place However must pointed out Steves documentation could have better Though Steves flying improved round 25% bonus couldnt overcome small errors flight Continued page 92 88 Model Aviation Left Cliff Tacles Savola Marchetti SM-Si 1/11-scale 85-in wingspan three K&B 35 engines Weight Ia 13 lb Finish Sig butyrate dope over Super Coverite Silkapun Covent wings Above Jean Roumseau France brought new Moynet Jupiterto Oslo An earlier model destroyed Lemourget 1984 Engines 08 40 FSR Covering sheet aluminum Skip Mast completely new Lock heed HC-1 30 Hercules Oslo Its 30% bonus highest meet Skips low static score largely result absence surface detail Modeling very large airplane Y16-scale affects amount detail can applied Engine prob lems affected flight scores engine stopped model rotated takeoff first flight judges gave credit three-engine flight although rule states engines must running takeoff given credit four-engine flight becomes question whether propeller still turning instant wheels parted runway cules flies very well three engines Augmented its 30% bonus highest flight scores three US models Taxi points lost K&B 35 engine needed restart before takeoff Two flights completed four engines running Cliff Tacies Savoia Marchetti Trimotor bomber given very low static score documentation consisted photos publication profile-type threeview drawing External details difficult reproduce apply large airplane reduced Yii-scale Cliff also engine problems first attempt model nosed over suddenly just ready lift runway flight engines throttled end taxi maneuver engine stopped restarted taxi points lost US team used radio equip ment furnished Airtronics same frequency could interchange transmitters necessary models equipped Airtronics smallest lightest servos important item mod els built up maximum weight allowed Radio problems nonexistent contestants throughout meet Seventeen biplanes entered championships first place -scale Bristol D Scout Max Merckenschlager West Germany flown muffled OS 120 four-stroke large-diameter propeller extreme quietness flights made low throttle settings further reduced ex haust noise Max already accumulated enough points very first flight win event flying technique very steady no unnecessary changes Left S Takahara Japan used 05 61 Republic P-47-D25 Thunderbolt Complexcontrais forthe sliding canopyand bomb drop Right 1 /6-scaie Fokker instructor S-i 1-1 William Noordegraaf Netheriandsscratch-bulit varnish over silk paint 92 Model Aviation US team L-R Julie Abel Piper J-3 Jeff Perez Boeing B-i 7G Ron Sears Stearman PT-i 7 MlkeGretzasst team manager Dolly Wischerteam manager SteveSaugerStin son Tn motor Skip Mast Lockheed Hercules Cliff Tacie Savola Marchetti SMSI Left Peter Miii Canada deHavilland Chipmunk built Bob Holman plans Peter made own fiberglass fuselage foam wings its 1 /6-scale spans 68 weighs ge lb uses Supertigre 61 finish KAB epoxy overCoverite Above 1/4 scale Bucker Jungmeister Jarno Helasuc Finland finished Coverite enamel engine Enya 120 four-stroke altitude direction absolutely no errors Remarkably accomplished using biplane undercambered airfoil airplanes dyed silk cov ering clear dope finish gave ap pearance light weight fact built up 6kg weight limit realistic dummy engine crankcase formed epoxy fiberglass silicone molds other pilots counting better weather improved flying conditions later rounds hope steadier hand controls Max contest won first day flying second place deHavilland 88 Comet Hansruedi Zeller Switzer land first seen La Bourget 1984 made some improvements notably throttle trim system possible steer taxiing changing individual settings two 0S 40 fourstroke engines also capability synchronize engine rpm air system model very steady during flight being racer could flown quite fast losing realism points Hansruedis dive straight flight below six meters altitude always thrill watch addition being excellent pilot also master showman Also Switzerland third place Let Vladimir Boulatnikov USSR 2nd CL Scale Air 1 Webra 61 dummy Blackburn Cirrus engine working valve rockers belt-driven An animated dummy pilot salutes turns Its head Right Four years effort team professionals produced LI-2T Douglas DC-3 look-alike flown 3rd place Alexandr Pavienko USSR Engines handmade specials Left Marlan lazirod Poland second-highest flight scores CL very low static score Model isa Zlin SOL Harlan uses Webra 61 engine haul model around Right Hick Reeves England resurrected venerable Ziin Akrobat built 1969 entered three Control Line World Championships 1970 1972 1974 flown since met Its fate crash inverted November 1986 93 Firs piace ionrroi Line G8I6 weawun again u ,ilr Fedesovof USSR Antonov AN-28 turboprop airliner pair speckany-made 60 engines bevel gear drives fitted narrow nacelles Reversible-pitch props used taxiing Len wecironlcrnrouie tiaps drop tank homemade retracts 15-lb model covered 005 aluminum iitho plate Hastwo lruru viuginwa hIs Boeing B-i 70 75-in span 12 lb four 0S 25 engInes three Worli Left AdsHavilland OH-OS Mosquito Loch Podgorskl Poland used two Webra 40 engines hasfiown Worid Champs Right Ron Sears PT-i 7 Stearman Kaydet 181 /6-scais 641/2-in span Supertlgre 60 FInish Randoiph dope enamei over Coverite Bucker Jungmeister Konrad Qetiker highest static score Mistakes bad landing damaged landing gear kept scores low first two flights Konrad returned finish excellent third round also gave Swiss team first place Biplanes proving real contenders Five first nine places biplanes Chris Foss England 82-inspan -scale Dalotel proved aero batic monoplane could contend biplanes also made clear twostroke 60 engine well muffled could match four-strokes quietness OS 60 FSR carried large model dif ficulty respect Dalotel different weighed 43kg 95 lb Chris model well under maximum weight chosen different route success Two years ago David Masterton Australia come Paris victory trimotor deHavilland Drover very high flight scores Oslo static score slipped down ward different set judges Dave arrived early done Paris foam-and-balsa practice trimotor airplane cut seven pieces transportation good practice field wasnt available Dave made couple flights before competition began meticulous professional pilot has team manager read off 10-item checklist before flight engines 05 40 four-strokes center engine having reverse rotation provide straight-line 500-point takeoff necessary win ning effort course also means needs reversing switch starter motor center engine well lefthand prop model completely cov ered aluminum alloy sheet 003 5 thick specially rolled hardness pre vent handling damage contact adhesive used fasten aluminum 2-in balsa substratum rivet detail embossed aluminum rear Washout seven degrees Drovers tapered wings provides stability slow speeds Daves slow steady flights attest its value First ducted-fan model complete flight Scale World Championships McDonnell-Douglas F-15C Eagle Philip Avonds Belgium twin K&B 75 engines used tuned pipes because model already 6kg weight limit first flight Oslo also models first everyones surprise performed perfectly until engine quit landing heavy its carbon-fiber landing gears damaged Philip made hasty repairs carbon fiber model designed scratch-built Avonds using obechi plywood balsa foam wings wings complex airfoil faithfully reproduced semi-symmetrical section root sharp washout twist thin undercambered tips Rotors Tar bax shrouds stators made layer 5-oz fiberglass cloth models exterior finished glass cloth epoxy paint furnished factory its second flight vibration engine caused rotor shifting off center third flight same problem fractured crankshaft complete Continued page 176 94 Model Aviation Lert JUlIO RDI5 oanner tow clipped wing Piper Cub earned high flight scores model orIginated Sig kit its engine 08 40 FSR span 57 its finished Covent dope Above Henryk Stecyk Poiand used US prototype OV-1 OA Bronco CL Scale Two Webra Speed 61. J ur ngIanu umug pair U5 .n engines tor nis uougias L-4A UaKOta nag uAgwileht flights unfortunateiy iow static score cancelied out effort time chase retrieve everyone get three flights Several latecomers caught unawares missed 700-to-800 am round out Another several launch line 750 furiously winding shouting timers no avail Motors popping shreds flying whistle went off schedule close round part flying low key very high quality hordes camera bugs launch along lots ofjolly good advice thermal picking let go going round cheers successful groans various inevitable smushes Conditions field could have better tem perature 90s rather usual 110 very low humidity slight drift early generally benign thermalsalthough eight models dis appeared overhead during memorable boomer Genial Jim Adams maxed-out Gor don S Light replica win first place closely followed Bob Langdons latter day Light played game winners since contest unique its ingredients its vintage quality its spirit being US team flying Wakefield against inter national entry truly great site thrill enough word unforget table As bottom line 50th reenactment 1937 Wakefield Cup contest will held Old Warden England already shuffling paper bank preparation Scale WC/Wischers Continued page 94 flights models sixth-place finish could have much improvedhelped high static score 20% bonus Three biplanes finished 7th 8th 9th placesa BE-2c Jurgen Steinberger W Germany DH-82 Tiger Moth Kjell-Ake Elofsson Sweden Sorrel Guppy ultralight Carlo Mapelli Italy Guppy model reversion past model simple airplane well done detail reproduced minia ture could contender first place BOX 429SKYLAND N C28776 THE DIFFERENT FOAM MODEL Lowest Cost Modeling 3 3 Send Si 00 latest fine-grain sheet foam 3 developments foam samples FREE foam 3 sources Hard Shell finishes now Ilable Dozens easy build foam air plane plans Peanuts RIC FOAM SCALE MODELS Box 662MA St Croix Falls WI 54024 III 0CS Antique Military Civiliart Helicopier8 Sailpianes color FOTOPAAKSKOKU-FAN 3-vIews 40OCO pictures stock2000 drawinqa siock Vacation I Handy Disney World l0oR LD Kennedy Space Center rest Florida 3 Bedrooms sleeps 8 Kitchen A/C Pool Ttnnis lots R/C flying Nov-May $500 ink / June-Oct 1400 ink / isightly & monthly rates also available 007 528-4e43 176Model Aviation PRESENTING FL INGER THE ULTIMATE SMALL SAILPLANE HANDLAUNCH HI-STARTorSLOPE WINGSPAN 57 WEIGHT l2oz MACHINECUT PARTS DEALERS&DIST INQUIRIES INVITEDFLINGER LJMP 110 $2995 ELECTRA L ITE-iCARUS-PANTERA METEOR-ELECTRICUS-WHISTLER PR ELUDE-COMET LARRY JOLLY MODEL PRODUCTS 5501 W COMO SANTA ANA CALIFORNIA 92703 714 826 6861 PUZZLED CALL MATT No time build Mutt itlil hove time. know 1 Complete Call 9am -8 pm lEST 2 Semi-Assembled609-395-1672 Irsady cover sandedi Malts Model BuildingPG Box U 1 Stockton Drive Crmnbnrv NJ 93512 Rate cards available reel SASE 14-1/8o9-1/21 also build Cars louts FLYING NEAR AIRPORTS BE CAREFUL PROTECT YOUR RIGHT TO FLY Safe Flying No Accident LAThES INS MACHINe IN SlOP tUPPLIES the Aviation Medal //OMACHINERY AN5JLS $1308-5838I vOle,, ,vOrf,r,doo adqvI QUALITY FREE FLIGHT KITS AND SUPPLIES FOR COMPETITION AND SPORT SINCE 1975 Dealer inquiriesCatalog SOt invited .BLUE RIDGE MODELS rMoRE POWER WITH LESS NOISE four-cycle measuring up expectations read Make engine before Make 60 120 four-stroke less means 1 Quieter glow 2 More mellow sounding four-cycle 3 More usable power both 4 Highest power-to-weight ratio 5 The lowest idle ever 6 Increase mileage up 4 times 7 Runs cooler glow 8 No glowplugs fail 9 Increased reliability 10 Fuel available concentrate Conversion kits available 049 30 cid Schnuerle ported engines Its sim ple just change heads fuel What waiting Dust off two-cycle DIESELIZE Send self-addressed stamped enve lope 60 information call 203-877-1670 between 730 pm 930 pm EST DAVIS DIESEL DEVELOPMENT PO Box 141 Milford CT 06460 leader quiet combustion technolo since 1976 Carlo predicted simple airplane could beat complex US multi-engined aircraft correctwith 10% bonus biplane tail-dragger static score among highest very difficult judges find fault ultra-simple model Carlo needed good flight Static judging done outdoors model being presented viewing contestants helpers model viewed sides including bottom done distance three meters nearest part model Since judges models moved small models received little less scrutiny Judging surface texture crafts manship scale detail done distance meter Balsa sticks 1 meter length carried judge assure came too close US judge George Buso acted chief judge RC static scoring also CL flights lack US judge RC flight line source some consternation US con testants especially after seeing low static scores well low first-flight scores some question favor itism being shown two judges would fIt4P little device sounds beep guide right plane Easily mounts smallest planes Use connector plug receiver same servo Also tells someone frequency solid state crystal oscillator Comes ready mount full structions included WT 1 oz DIM 1 x2 3/8 x IN USA CLUB DISCOUNTS AVAILABLE * ASK * SEND CHECK OR MONEY ORDER TO ELECTRONIC DESIGNS INC BOX Z 1925 GREENWOOD LK TPK HEWITT NEW JERSEY 07421 PHONE 201 728-1616 Plus $200 Shipping cont USA NJ Residents add 6% Sales Tax COD add $200 Allow 2 wks Shipping November 1986 177 9 ONLY onding advertisers mention read about Model Aviation rAlV V JD X ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX Academy Aviation R&D147 Ace Radio Control14 Aerodrome Models Ltd138 Aerospace Composite Products145 Airtronics2 Altech Marketing19 American Jr Aircraft Co166 Applied Design Corp135 Astro Flight10 Quay Barber Models166 Beer Can Bombers180 Bell Rock Industries146 Blue Ridge Machinery & Tools176 Blue Ridge Models176 Dave Brown Products34 Bru Line Industries140 Byron Originals147 Carolina Model & Hobby Expo172 Carolina-Taffinder166 Johnnie Casburn Mfg145 Circus Hobbies152-153 Cleveland Model Supply168 Eric Clutton22 Consumers Guide150 Coverite23 139 Cox Hobbies1 DGA Designs154 171 Davis Diesel Development176 Dodgson Designs168 Dougs Hobby Shop156-161 Du-Bro Products Inc162 Dynathrust Props163 Electronic Design Corp177 FAI Model Supply138 FHS Supply Inc4 Flyline Models166 Foam Scale Models176 Fourmost Products140 Fox Mfg146 Futaba Corp America21 GM Precision Products84 Gator RC Products134 Geometron Co145 Carl Goldberg Models83 Golden Era Plans167 Golden Gate East165 Gorham Model Products90-91168 Great Planes Model Mfg Co164 Harry B Higley & Sons175 Haviland Aircraft151 Helicopters Unlimited5 Historic Aviation17 Hobby Barn 137 Hobby Horn146 Hobby Lobby International175 Hobby Woods154 lkonNW146 Indy RC Sales Inc142-144 JTec174 Larry Jolly Model Products176 Jomar165 K&B Mfg165 K&S Engineering175 Kookaburra Technical Publications178 Kustom Kraftsmanship165 Lake Enterprises164 Leisure Electronics89 Lone Star Models18 MACS Products165 Matts Model Airplanes176 McDaniel RC Service14 Messers Quality Model Prod154 Micro Mark12-13 Micro Model Engineering135 Model Products Corp166 Model Rectifier CorpCovers 2 & 3 Sid Morgan Plans174 Morley USA170 Mutchlers Hobbies148-149 NEPRO168 Northeast Screen Graphics167 PK Products170 Pacer Technology177 Pelican Enterprises175 Penn Valley Hobby Center166 Pica Products9 Plasticote179 Polks Hobby6-7 Progress Mfg Co8 Pro-Tune Corp34 RC Buyers Guide171 RC Extras138 RC Vacation176 Radio South151 Repla-Tech International22 Robbe Modellsport155 Roush Mfg22 SR Batteries173 Sachs TG167 Sagan Industries164 Satellite City135 Scale Model Research176 Sermos RC Snap Connectors172 Shamrock Competition Imports173 Sheldons Hobby Shop20 Sig Mfg Co163 Bob Smith Industries150 170 Super Cyclone Engines138 Swanson Assoc150 RC Sweitzer Enterprises141 T&D Research Associates20 Tatone Products Co173 Top Flite Models Inc140 Tower Hobbies169 Tru-Turn22 VL Products18 Victor Engineering174 WE Technical Services8 Wandit Mfg168 Williams Brothers34 Wilshire Model Center163 Windsor Propeller Co151 Wing Mfg Co10 World Engines141 Cover 4 Yale Hobby Mfg Inc15 Zenith Aviation99 Nick Ziroli Models134 score 4 maneuver other three 9 Nationalism has seen before resulted banning individuals future judging individual score sheets flight will critically analyzed host nation determine whether such action needed future 20% maximum bonus will definitely affect choice model type bonus biplanes undercam bered airfoil has eliminated Some contestants multi-engined models formed opinion judges already discounting scores 178 Model Aviation Now available THE WORLDS VINTAGE SAILPLANES 1908-45 Martin Simons Hard bound 176 pages quality paper 248 beautiful black white photos plus 65 color plates nearly 100 finely detailed scale drawings magniti cent collection rare information classic old timers SPECIAL CONESS1ON OFFER FROM THE PUBLISHER ONLY avail able readers send us 2 International Reply Coupons Ask Post Office will airmail free color brochure price details tell order Write now KOOKABURRA TECHNICAL PUBLICATIONS Pty Ltd P0 Box 648 Dandenong 3175 Victoria Australia No 531Terrible Coupe$475 FF Rubber-power Coupe dHiver spans 48 No 532Baby Bird$400 CL Tiny Stunter uses 049 diesel/glow spans 34Ain No 533Cessna C-37$500 RC Scaler 30s plane 049110 power 2-ch spans 421Ain No 5341938 Challenger$550 RC Y2A Texaco Old-Timer spans 47Y2 O49engine 2-chRC No193Stiletto CL Stunt model McDonald winner 197819801982 PAl World Champs$375 No239Blue Birds AC Ken Willards formation plane 4-channel 10/15 power$ No262Crashmaster CL Crash-proof trainer two sizen15/30 35/40 power8125 No302Mini P-i 6 AC Sarpolos 049 ducted-fan sport flierfor 2-channel Balsa wings tail lose otmotere$275 No3101939 Fleet Biplone AC Sport Scale 35/404-channel Wingspan 56 Vs scale Two sheets$825 No314Oroke II AC Ken Willards flying hoat foe 3-channel 15-power fly land rornovable tear$375 No326Taylor Cab AC Don SmIls Schoolyaed-Scale 049s2-3 channel Spans SOin*350 No332Zephyr AC Small 2-channel gliderforhand-launchortow thermal orolope soaring$280 No396Laser206 AC Sport Scale replica championship Aerohatic ffier Uses 40 power 4-5 channel Two sheets$t075 Ne414Electric Spunky AC Electric-powered ton flierfor 05 motor 3-channel AC scaled-op t939 robber-pewerfanorite$050 Ne430Irooside AC Zippy little sportoterfor 10115 power 3-channel AC$400 Ne433Watts Up AC Electric-powered glider 2-3 channels 035 motorspano 52 in$450 No436Cruiser FF Emhryo Endurance robber-powerfon ship has hig-madel characterintics$200 No440Canalier AC Old-Timer-like now design fos hogewing foreasy flights 35 power 3-ch Two shts81725 No444Firehelt AC Pusher canard epurt/pattern uses 40 posher engino 4channel Has swept-forward foam wings$850 No4415/sA Miss America AC Old-limer ISA Texaco model 040 glow 2-channels$050 No452Gee BeeZ ACtluartnr-scalespanslltu in. uses 90 power Foursheets81800 No454Sweet P-36 FF Neat stick-and-tissoe Outdoor Auhher P-30class model isa confers-winner$200 No451Spectra AC Electric-power forOSsize motor unno 3 differeotwings sport soaring aerobatics$700 No4604-40ACShoulder-wjognporsflierfor4-cycle 40-size engine4 channels8850 No465Blue Mao II AC Fun-fly sporteterfor 40-nize engines spans 52 lightweight stmctore$700 No480Smoother CL Stunter 20/35 power Design hasad hyhrid Smoothie/Nobler8675 No476Strokec AC Mid-wing sportoter ones 40/45 four-stroke engine spans 50 tail-dragger8850 Na476Buttercup AC Cute elfin sportoter uses micro 2-ch AC pulse-rudder Spans 27 020/035 power8300 No487Cap 21 AC Scale Aerobatic planefor 40-size engine spans 62 Two thents$1000 Na488MB-i FF Jumbo Aubber Scale 1920-era Thomas Moron hiplane spans 37 in$500 No406Waukeoder AC Low-wing sport flier 20-true 4-stroke engine spans 47 in$575 Na4094-60 AC Doc Mathews great sportflier 60-size four-strokernegien opens 70 Two sheets$1275 Na506Fakker DVIII AC Sport Scale model WW monoplane unee 90 four-stroke engine spans 03 Two aheets81600 No501Eledecker CL Spoot scale model early 1APr11 monoplane power spans 23r/e in$200 No602Bill Wioters Vaakand FF Sport flier down-sized 02-powered version oft 840s cabin plane Spans 33 in$225 Ne563Buzzhot AC Slope-soarerspans 60 uoen2ACchannels$750 No504Turha lance II PP Aubber-powered scale model spans 19 in$150 Na505P-3B Ligletaing CLSport Scaleflghtertpans6s in. weiglo 10 lb uses twin 35s Two sheets$1175 No506Playmote AC Sport flier 3 AC channels 15/25-size engines spans 50 in8650 No607Hammmubird FF fist clans A/B competition plane won asthe 05 Nato8750 No5089-256 CL Pnefile scale WW II bomberfor twin engines spans 30 in8400 No509Roscue 18 PP fiend-Launched Glider features cumed 10-er wing OT8150 Ne510Stumper PP fiand-Launched Glider has angular 18-in wing OT$150 No611F-16CLfiprnfilescalefighterspans hastricyclelandioggear8200 No612Estra 230 AC Giant Scale acrobatic plane spans Oft uses quadra engine Two plan sheets$1650 Ne513Black Beauty AC Stop-soaring racer has foam wino 3-rh AC spane 114 in8750 No614Heary T AC Sportoterfer 2-3 channel AC spans 52 in. has adjustable wing flaps$475 No515Weotluad Whirlwind AC Sport Scale Whirl twin-engined fighterfor 10-size engines spans 55 Two plan sheets81150 Ne516Euney CL Stonterfor 40/46 power spans 58 in$675 Na517Faka Ford AC Spooster forthree engines 3-ch AC Spans 50 Two plan sheets$575 No518Preject P-i 3 PP Scale German 514W II flying wing pusher/tractorforrubber power spans 26 in$325 No519Gee Bee R-l CL Profile sport flier 25 engines spans 36 in$475 Na526Flijht Assistant Wheeled flight boo carries lets Two plan sheets$1150 No521Comet Jr Clipper Plus 35% AC Old-Timersportsterfor engine 2-cb AC spane 40 in$650 Na522Sarta Pitto AC Aeminder-scule bipe 40/60 engines straes 43 Two plan sheets$1050 Na523Dawowalker PP Superlight Onlimited/Mulvihill robber-powered cnmpetitien plane opens 42 m$400 Ne524Tesas Rat CLAnother mooed nersion Midwest Sport Aacerfor 40 esoines sparm 24 in$275 Na525Hi-Tech 2662 AC Canard dusted-fan 45 engines spans 38 Two sheets$1000 Na526Ki61 Itnia CL Mostly-cardboard sport-scale WW II Japanese fighter los 40 engine spans 60 Two plan sheets$1150 Na527Miss NJ AC World Champion PAl Pylon Aacer 40 engines spans 51 in8550 Na526Swallow AC lightweight hotdogger 40-size four-stroke engines spans 58 in8025 Na529PBY Catalina PP Skinny Scale two CO-2 motors Spans 32 All-sheet-balsa canstructiso8325 No527Tsunami CLProfile scale Aspans2l inches All-sheet-bane constwction8225 0 0 Al 0 cJ en0 -0 0 0 z0 en cr0 0 O t enCO en C nb rr 00 0 0 0 en0 0 en C en V 00 en 00 en 0 0 ME J 0 E0 m 05 CITY 00 N U Circle numbers plans wish order 193 .332 1 01 s 468 oE 50 z z 507 514 521 528 239 386 447 470 501 5a8 515 522 529 262302 414430 452454 478487 502503 509510 516517 523524 530531 S i 8 S i S i STREET 8 - STATE 310 433 457 488 504 511 518 525 532 314 438 460 490 505 512 519 526 533 Plan price includes first class postage US delivery Air Mail over 300 miles I Far orders outside US pleaso add $250 Air Mail 8125 surface mail 326 440 465 499 506 513 520 527 534 Make chock money order payable US foods Model Aviation AMA 1810 Samofil Morse Reston VA 22090 Please allow 3 6 weeks delivery Please print carefullyEnclosed $__________________________________ ZIP future 20% maximum However very few multi-engined airplanes flights error-free realism flight scores suffered badly unsteadiness roll altitude changes RC flight line enjoyed large crowds appreciative spectators applause well-done maneuver common Both Savoia Marchetti bombers dropped bombs Skip Masts parachuted cargo drop Hercules always brought enthusiastic response crowd Control spectators very good clear view thanks Narve Jensen Norwegian Aero Club well-run cham pionships thanks Hazel Sig-Hester generously supplying team shirts jackets Special thanks Mid Hudson RC Society financial support team fund Chal lenger/Kostecky Continued page 98 SAM contest Grand Island NY decided fly Challenger just fun day contest absolutely gorgeous brilliant blue sky green thermals everywhere could get up 400 ft work hard max out launched Chal lenger sporadic engine runs give 049s bad name After 5 minutes never 200 ft off ground plane plopped down pouted behind clump weeds second flight slightly richer setting saw old Challenger spiraling down several times just keep sight finally recording over 15 minutesa tad overkill 10minute max Boy pain neck rest day dollar time sniveled could have won could retire So much funnext year serious Balanced shown model flies great suspect center gravity CG could moved back some havent bothered plane super quiet evenings schoolyard all-out competitor can surpass its class SAM meet i sin S 0 S unvnCnen cLinees reac cenicnl iLLUsTrATeS race se SIX PACe PICK ECu SOUTneusren ru ARAnPeA~ i1I BuC-e Mirror 180 Model Aviation
Edition: Model Aviation - 1986/11
Page Numbers: 85, 86, 87, 88, 92, 93, 94, 176, 177, 178, 180
Scale World Championships An amazing variety Bob Dolly Wischer aircraft proto types represented Radio Control Control Line models Unlike some formeryears least RC winners circle dominated aircraft type NORWAY WAS THE HOST nation Ninth Scale World Championships action took place Kjeller Airport military field 20 miles northeast Oslo 17 nations competed47 airplanes Radio Control 13 Control Line large entry RC imposed quite burden contest management serious consideration given limiting flights two rounds end competitors given three flights contest came conclusion within allotted time because weather permitted another rain shower extra day would have needed Norwegian Aero Club organizers World Championships made some wise early decisions helped com press action five days judging done using five RC ffight judges CL static scoring CL judges RC static permitted RC flights begin before models judged Static judging began lineup winner RC Scale Max Merckenschlager Germany 1/4-scaie Bristol Scout aivina soan 73 Weight 113 lb engine lean 08 120 four-stroke Finish over lightly-dyed silk homemade dummy engine cast epoxy glass RC Scale 2nd place Wa WOfl Dy nunurusa eiiur OT wirzeriana wurn UI1-50 Lomet 1 /6-scale two 08 40 four-stroke engines Weight 1a12 lb finish ii auto lacquer Loft Dalotel Chris Foss England 1/4-scaie spans 82 weighs 94 lb finish Black Baron paint varnish overcoat RIght Australian team manager reads checklist before starting engines David Mastertons deHaviliand Drover Three Enys 40 four-stroke engInes center turning backwards power model finish paint over 0035 aluminum Left OflO Otifle iignxesi mooes EjUIIPPU CIUT55UflU UFIO MOm am wu lola gu unnu finish enamel over Solartex Right Carlo Mapelil italy haa modeled Mmarlcan umirulight homebulil ppy simple model could well World Championships competition against multi-engine airplanes engina nya 1 u Tour-airuKu models permit overview distance comparison purposes Showers interrupted static judging being done outdoors also early flights beginning flying could have used services Dave Brown Ron Hesselbrock flight-line bosses accelerate action fellows Nats Later week situation improved moving No 1 ready box point runway behind flight judges speeded action considerably future 60 70 entries can expected two sets judges will required some flight scores may suffer because unequal exposure threeflight schedule could easily have happened Oslo because entries expected arrived some dropouts among USSR RC teama major disappoint ment everyone evident Soviet team will appear until winning potential Considering small number aero club members available organization well-run meet two hotels nearest within walking distance airport about mile used headquarters setting im pressive Surrounding hills forested have hundreds pretty homesites slopes hotel located slight knoll spectacular views windows Everyone evening meal together large room Smaller side rooms popular spots social gatherings evenings Nor wegian Aircraft Museum specially opened evening almost everyone chance see collection 21 hours daylight July Oslo latitude evening activity wasnt limited Saturday night banquet party continued until 4 am well after daybreak Several nations made first-ever appear ances Scale WCamong Japanese mistaken impression would come champion ships until ready sweep top places definitely case really came learn enjoy themselves truly delight ful group above average models flying skills yet world-beating con tenders first-flight jitters same everyone settled down afterward show cham pionship material first flights exciting Okamotos Nieuport 11 takeoff almost wiping out judges scramble 86 Model Aviation maui compiax moasi UT maui mis r- ouiii DY Philip Avonds jet fighter pilot Belgium Twin KAB 75 engines spin Turbax rotors mounted fiberglass shrouds model made obechi plywood has foam wings its 1/9scale spans 57 Right BE-2c Jurgen Steinberger Germany hasa dummy engine turned milled aluminum hammered aluminum cowl Covering silk wingspan 1680 Left Vs-scale stinson Al rimotor oy ieva auger nag ma nignaststammcsuora ut Lou 00 5llUUU center 05 25 span go weight 1813 lb Homemade retracts use Rom-Air SM-79 Sparviero trimotor bomber Carlo Bergamaschi italy isi /9-scala weighs 13 lb uses mr. Left Skip Masts Lockheed NC-i 30B judging table Skip used modified Goldberg retracts main gear Rom gear nose foam 1/16-in lightweight balsa cover finish acrylic enamel over lightest-weight sllkspan Its 1/-scaie weighs 13 lb span 975 Right Australian Lloyd Dippel prepares start OS 120 GemIni twin 84-in-span Bowers Fly Baby Left Bengt Kailetrom Sweden built Klemm 35 1/5-scale Weight 10 lb 08 1 uu-wiuuiw PU U LU III UIU enamel over Polytex Right Wim Reynders Belgium modeled North American F-82B Twin tang Wingspan 177 irs sand two 08 40 FSRs provide power Wim produced own approved three-view drawing Balsa construgimon epoxy fiberglass finish quickly Nieuport repaired came back very presentable flights subsequent rounds surprisingly resilient aircraft Fortunately its Gemini engine escaped damage cartwheel landing other two airplanes Zero course T Furuta Republic P-47D25 S Takahara Japanese made inquiries about staging future World Championships country possibly 1990 Control Line Scale Soviet team expected unbeatable Valery Kramarenkos Antonov lost crash place Alex Pavlenko LI-2T copy Doug las DC-3 finished third First place again won Antonov AN-28 turboprop airliner Vladimir Fedosov high static score gave slight edge over Bulatnikovs biplane Air-i Soviet models showed highest type craftsmanship professional touch As past seemed two contests CL decide Russians would first second third another other placings US Jeff Perez Boeing B-17G overcame low static score excellent flights become leader Observers proclaimed flying best has ever done Ron Sears Stearman PT-17 enjoyed higher static score although 700 points less Paris able make reasonably good flight heavy mod el Julie Abels clipped wing Cub needed high flight scores augment low static Only few lost maneuvers prevented placing higher peculi arities CL scoring zero given models lines reach 450 prescribed number laps wondered about measurement angle Both Ron Julie victims zero maneuver Julies banner tow provided some scores 10 later flights higher judges de cided give scores both banner tow banner drop As female contestant Julies popularity resulted front-page newspaper photo Continued page 88 November 1986 87 MrJuvu uiur uarmgu oupwiln onips nsa gummy rotary engine revolves single bail bearing noseweight driven exhaust models Laser 90 four-stroke engine Nylon covering finished dope Humbroi paint Right Grum man Wildcat Switzerland Peter Muller has complex retracting gear Scale 1/65 engine 08 90 four-stroke Left /4-scale 13-lb PlUs S-2A Poul Munsberg Denmark powered 0 four-stroke engine silk-covered Simprop paint Right Mitsubishi A6M5 Zero Japan T Furuta used 08 SF 90 engIne external tank dropped flight Left colorful 1/6-scale Boeing PT-i 7 Soren Frederickason Sweden finished boat paint over Polytex engine Enya 120 four-stroke span 1s64 weighs 1 2/a lb Right VldarTolfsen Norway used Enya 90 four-stroke deHavilland Tiger Moth Mick Reeves England has now flown Scale World Championships prefers RC unable become team member returned earlier talent CL Zim 526 Akrobat model stored its travel box since last used 1974 returned service 12 years later first flight Mick discovered black rubber pickup tube inside fuel tank dis integrated model badly damaged flying inverted its second flight As expected four nations con testants CL event appeared destined reduced WC international contest make fully acceptable championship Norway became fifth nation entering semiscale Mustang Petter Harsem has done before Control Line World Championships unless something done preserve event may never another RC Scale US team suffering low static scores finished 10th 14th 22nd places static scoring positions 6th Steve Saugers Stinson Trimotor 23rd Skip Masts C130 Hercules 34th Cliff Tacies Trimotor Savoia Marchetti affectionately known spaghetti bomber large deficits make up 2Oto 30% bonuses applied flight scores Steves Stinson its 25% bonus three engines retracts conventional tail-dragger landing gear hope well competition would have needed near-perfect flight Small errors accumulate some can very damaging example take off scored 1 10 judge perfect takeoff can give score 50 10 five judges weighting multiplication K factor degree difficulty 10 producing total score 500 25% bonus 500 escalates 625 swerve takeoff run can substantially reduce score certainly advisable make takeoff landing perfectly maneuvers win lose FM Scale contests judges decide swerve reduced score five unlikely total maneuver alone will have lessened 312 points Steve Saugers Stinson Trimotor con sidered glamour machines contest attracted generous attention US entry found overweight supersensitive digital readout scale Steve solved problem substituting lighter 450 mAh battery pack larger cells model own examination static scoring reinforced belief Stinson deserved better place However must pointed out Steves documentation could have better Though Steves flying improved round 25% bonus couldnt overcome small errors flight Continued page 92 88 Model Aviation Left Cliff Tacles Savola Marchetti SM-Si 1/11-scale 85-in wingspan three K&B 35 engines Weight Ia 13 lb Finish Sig butyrate dope over Super Coverite Silkapun Covent wings Above Jean Roumseau France brought new Moynet Jupiterto Oslo An earlier model destroyed Lemourget 1984 Engines 08 40 FSR Covering sheet aluminum Skip Mast completely new Lock heed HC-1 30 Hercules Oslo Its 30% bonus highest meet Skips low static score largely result absence surface detail Modeling very large airplane Y16-scale affects amount detail can applied Engine prob lems affected flight scores engine stopped model rotated takeoff first flight judges gave credit three-engine flight although rule states engines must running takeoff given credit four-engine flight becomes question whether propeller still turning instant wheels parted runway cules flies very well three engines Augmented its 30% bonus highest flight scores three US models Taxi points lost K&B 35 engine needed restart before takeoff Two flights completed four engines running Cliff Tacies Savoia Marchetti Trimotor bomber given very low static score documentation consisted photos publication profile-type threeview drawing External details difficult reproduce apply large airplane reduced Yii-scale Cliff also engine problems first attempt model nosed over suddenly just ready lift runway flight engines throttled end taxi maneuver engine stopped restarted taxi points lost US team used radio equip ment furnished Airtronics same frequency could interchange transmitters necessary models equipped Airtronics smallest lightest servos important item mod els built up maximum weight allowed Radio problems nonexistent contestants throughout meet Seventeen biplanes entered championships first place -scale Bristol D Scout Max Merckenschlager West Germany flown muffled OS 120 four-stroke large-diameter propeller extreme quietness flights made low throttle settings further reduced ex haust noise Max already accumulated enough points very first flight win event flying technique very steady no unnecessary changes Left S Takahara Japan used 05 61 Republic P-47-D25 Thunderbolt Complexcontrais forthe sliding canopyand bomb drop Right 1 /6-scaie Fokker instructor S-i 1-1 William Noordegraaf Netheriandsscratch-bulit varnish over silk paint 92 Model Aviation US team L-R Julie Abel Piper J-3 Jeff Perez Boeing B-i 7G Ron Sears Stearman PT-i 7 MlkeGretzasst team manager Dolly Wischerteam manager SteveSaugerStin son Tn motor Skip Mast Lockheed Hercules Cliff Tacie Savola Marchetti SMSI Left Peter Miii Canada deHavilland Chipmunk built Bob Holman plans Peter made own fiberglass fuselage foam wings its 1 /6-scale spans 68 weighs ge lb uses Supertigre 61 finish KAB epoxy overCoverite Above 1/4 scale Bucker Jungmeister Jarno Helasuc Finland finished Coverite enamel engine Enya 120 four-stroke altitude direction absolutely no errors Remarkably accomplished using biplane undercambered airfoil airplanes dyed silk cov ering clear dope finish gave ap pearance light weight fact built up 6kg weight limit realistic dummy engine crankcase formed epoxy fiberglass silicone molds other pilots counting better weather improved flying conditions later rounds hope steadier hand controls Max contest won first day flying second place deHavilland 88 Comet Hansruedi Zeller Switzer land first seen La Bourget 1984 made some improvements notably throttle trim system possible steer taxiing changing individual settings two 0S 40 fourstroke engines also capability synchronize engine rpm air system model very steady during flight being racer could flown quite fast losing realism points Hansruedis dive straight flight below six meters altitude always thrill watch addition being excellent pilot also master showman Also Switzerland third place Let Vladimir Boulatnikov USSR 2nd CL Scale Air 1 Webra 61 dummy Blackburn Cirrus engine working valve rockers belt-driven An animated dummy pilot salutes turns Its head Right Four years effort team professionals produced LI-2T Douglas DC-3 look-alike flown 3rd place Alexandr Pavienko USSR Engines handmade specials Left Marlan lazirod Poland second-highest flight scores CL very low static score Model isa Zlin SOL Harlan uses Webra 61 engine haul model around Right Hick Reeves England resurrected venerable Ziin Akrobat built 1969 entered three Control Line World Championships 1970 1972 1974 flown since met Its fate crash inverted November 1986 93 Firs piace ionrroi Line G8I6 weawun again u ,ilr Fedesovof USSR Antonov AN-28 turboprop airliner pair speckany-made 60 engines bevel gear drives fitted narrow nacelles Reversible-pitch props used taxiing Len wecironlcrnrouie tiaps drop tank homemade retracts 15-lb model covered 005 aluminum iitho plate Hastwo lruru viuginwa hIs Boeing B-i 70 75-in span 12 lb four 0S 25 engInes three Worli Left AdsHavilland OH-OS Mosquito Loch Podgorskl Poland used two Webra 40 engines hasfiown Worid Champs Right Ron Sears PT-i 7 Stearman Kaydet 181 /6-scais 641/2-in span Supertlgre 60 FInish Randoiph dope enamei over Coverite Bucker Jungmeister Konrad Qetiker highest static score Mistakes bad landing damaged landing gear kept scores low first two flights Konrad returned finish excellent third round also gave Swiss team first place Biplanes proving real contenders Five first nine places biplanes Chris Foss England 82-inspan -scale Dalotel proved aero batic monoplane could contend biplanes also made clear twostroke 60 engine well muffled could match four-strokes quietness OS 60 FSR carried large model dif ficulty respect Dalotel different weighed 43kg 95 lb Chris model well under maximum weight chosen different route success Two years ago David Masterton Australia come Paris victory trimotor deHavilland Drover very high flight scores Oslo static score slipped down ward different set judges Dave arrived early done Paris foam-and-balsa practice trimotor airplane cut seven pieces transportation good practice field wasnt available Dave made couple flights before competition began meticulous professional pilot has team manager read off 10-item checklist before flight engines 05 40 four-strokes center engine having reverse rotation provide straight-line 500-point takeoff necessary win ning effort course also means needs reversing switch starter motor center engine well lefthand prop model completely cov ered aluminum alloy sheet 003 5 thick specially rolled hardness pre vent handling damage contact adhesive used fasten aluminum 2-in balsa substratum rivet detail embossed aluminum rear Washout seven degrees Drovers tapered wings provides stability slow speeds Daves slow steady flights attest its value First ducted-fan model complete flight Scale World Championships McDonnell-Douglas F-15C Eagle Philip Avonds Belgium twin K&B 75 engines used tuned pipes because model already 6kg weight limit first flight Oslo also models first everyones surprise performed perfectly until engine quit landing heavy its carbon-fiber landing gears damaged Philip made hasty repairs carbon fiber model designed scratch-built Avonds using obechi plywood balsa foam wings wings complex airfoil faithfully reproduced semi-symmetrical section root sharp washout twist thin undercambered tips Rotors Tar bax shrouds stators made layer 5-oz fiberglass cloth models exterior finished glass cloth epoxy paint furnished factory its second flight vibration engine caused rotor shifting off center third flight same problem fractured crankshaft complete Continued page 176 94 Model Aviation Lert JUlIO RDI5 oanner tow clipped wing Piper Cub earned high flight scores model orIginated Sig kit its engine 08 40 FSR span 57 its finished Covent dope Above Henryk Stecyk Poiand used US prototype OV-1 OA Bronco CL Scale Two Webra Speed 61. J ur ngIanu umug pair U5 .n engines tor nis uougias L-4A UaKOta nag uAgwileht flights unfortunateiy iow static score cancelied out effort time chase retrieve everyone get three flights Several latecomers caught unawares missed 700-to-800 am round out Another several launch line 750 furiously winding shouting timers no avail Motors popping shreds flying whistle went off schedule close round part flying low key very high quality hordes camera bugs launch along lots ofjolly good advice thermal picking let go going round cheers successful groans various inevitable smushes Conditions field could have better tem perature 90s rather usual 110 very low humidity slight drift early generally benign thermalsalthough eight models dis appeared overhead during memorable boomer Genial Jim Adams maxed-out Gor don S Light replica win first place closely followed Bob Langdons latter day Light played game winners since contest unique its ingredients its vintage quality its spirit being US team flying Wakefield against inter national entry truly great site thrill enough word unforget table As bottom line 50th reenactment 1937 Wakefield Cup contest will held Old Warden England already shuffling paper bank preparation Scale WC/Wischers Continued page 94 flights models sixth-place finish could have much improvedhelped high static score 20% bonus Three biplanes finished 7th 8th 9th placesa BE-2c Jurgen Steinberger W Germany DH-82 Tiger Moth Kjell-Ake Elofsson Sweden Sorrel Guppy ultralight Carlo Mapelli Italy Guppy model reversion past model simple airplane well done detail reproduced minia ture could contender first place BOX 429SKYLAND N C28776 THE DIFFERENT FOAM MODEL Lowest Cost Modeling 3 3 Send Si 00 latest fine-grain sheet foam 3 developments foam samples FREE foam 3 sources Hard Shell finishes now Ilable Dozens easy build foam air plane plans Peanuts RIC FOAM SCALE MODELS Box 662MA St Croix Falls WI 54024 III 0CS Antique Military Civiliart Helicopier8 Sailpianes color FOTOPAAKSKOKU-FAN 3-vIews 40OCO pictures stock2000 drawinqa siock Vacation I Handy Disney World l0oR LD Kennedy Space Center rest Florida 3 Bedrooms sleeps 8 Kitchen A/C Pool Ttnnis lots R/C flying Nov-May $500 ink / June-Oct 1400 ink / isightly & monthly rates also available 007 528-4e43 176Model Aviation PRESENTING FL INGER THE ULTIMATE SMALL SAILPLANE HANDLAUNCH HI-STARTorSLOPE WINGSPAN 57 WEIGHT l2oz MACHINECUT PARTS DEALERS&DIST INQUIRIES INVITEDFLINGER LJMP 110 $2995 ELECTRA L ITE-iCARUS-PANTERA METEOR-ELECTRICUS-WHISTLER PR ELUDE-COMET LARRY JOLLY MODEL PRODUCTS 5501 W COMO SANTA ANA CALIFORNIA 92703 714 826 6861 PUZZLED CALL MATT No time build Mutt itlil hove time. know 1 Complete Call 9am -8 pm lEST 2 Semi-Assembled609-395-1672 Irsady cover sandedi Malts Model BuildingPG Box U 1 Stockton Drive Crmnbnrv NJ 93512 Rate cards available reel SASE 14-1/8o9-1/21 also build Cars louts FLYING NEAR AIRPORTS BE CAREFUL PROTECT YOUR RIGHT TO FLY Safe Flying No Accident LAThES INS MACHINe IN SlOP tUPPLIES the Aviation Medal //OMACHINERY AN5JLS $1308-5838I vOle,, ,vOrf,r,doo adqvI QUALITY FREE FLIGHT KITS AND SUPPLIES FOR COMPETITION AND SPORT SINCE 1975 Dealer inquiriesCatalog SOt invited .BLUE RIDGE MODELS rMoRE POWER WITH LESS NOISE four-cycle measuring up expectations read Make engine before Make 60 120 four-stroke less means 1 Quieter glow 2 More mellow sounding four-cycle 3 More usable power both 4 Highest power-to-weight ratio 5 The lowest idle ever 6 Increase mileage up 4 times 7 Runs cooler glow 8 No glowplugs fail 9 Increased reliability 10 Fuel available concentrate Conversion kits available 049 30 cid Schnuerle ported engines Its sim ple just change heads fuel What waiting Dust off two-cycle DIESELIZE Send self-addressed stamped enve lope 60 information call 203-877-1670 between 730 pm 930 pm EST DAVIS DIESEL DEVELOPMENT PO Box 141 Milford CT 06460 leader quiet combustion technolo since 1976 Carlo predicted simple airplane could beat complex US multi-engined aircraft correctwith 10% bonus biplane tail-dragger static score among highest very difficult judges find fault ultra-simple model Carlo needed good flight Static judging done outdoors model being presented viewing contestants helpers model viewed sides including bottom done distance three meters nearest part model Since judges models moved small models received little less scrutiny Judging surface texture crafts manship scale detail done distance meter Balsa sticks 1 meter length carried judge assure came too close US judge George Buso acted chief judge RC static scoring also CL flights lack US judge RC flight line source some consternation US con testants especially after seeing low static scores well low first-flight scores some question favor itism being shown two judges would fIt4P little device sounds beep guide right plane Easily mounts smallest planes Use connector plug receiver same servo Also tells someone frequency solid state crystal oscillator Comes ready mount full structions included WT 1 oz DIM 1 x2 3/8 x IN USA CLUB DISCOUNTS AVAILABLE * ASK * SEND CHECK OR MONEY ORDER TO ELECTRONIC DESIGNS INC BOX Z 1925 GREENWOOD LK TPK HEWITT NEW JERSEY 07421 PHONE 201 728-1616 Plus $200 Shipping cont USA NJ Residents add 6% Sales Tax COD add $200 Allow 2 wks Shipping November 1986 177 9 ONLY onding advertisers mention read about Model Aviation rAlV V JD X ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX Academy Aviation R&D147 Ace Radio Control14 Aerodrome Models Ltd138 Aerospace Composite Products145 Airtronics2 Altech Marketing19 American Jr Aircraft Co166 Applied Design Corp135 Astro Flight10 Quay Barber Models166 Beer Can Bombers180 Bell Rock Industries146 Blue Ridge Machinery & Tools176 Blue Ridge Models176 Dave Brown Products34 Bru Line Industries140 Byron Originals147 Carolina Model & Hobby Expo172 Carolina-Taffinder166 Johnnie Casburn Mfg145 Circus Hobbies152-153 Cleveland Model Supply168 Eric Clutton22 Consumers Guide150 Coverite23 139 Cox Hobbies1 DGA Designs154 171 Davis Diesel Development176 Dodgson Designs168 Dougs Hobby Shop156-161 Du-Bro Products Inc162 Dynathrust Props163 Electronic Design Corp177 FAI Model Supply138 FHS Supply Inc4 Flyline Models166 Foam Scale Models176 Fourmost Products140 Fox Mfg146 Futaba Corp America21 GM Precision Products84 Gator RC Products134 Geometron Co145 Carl Goldberg Models83 Golden Era Plans167 Golden Gate East165 Gorham Model Products90-91168 Great Planes Model Mfg Co164 Harry B Higley & Sons175 Haviland Aircraft151 Helicopters Unlimited5 Historic Aviation17 Hobby Barn 137 Hobby Horn146 Hobby Lobby International175 Hobby Woods154 lkonNW146 Indy RC Sales Inc142-144 JTec174 Larry Jolly Model Products176 Jomar165 K&B Mfg165 K&S Engineering175 Kookaburra Technical Publications178 Kustom Kraftsmanship165 Lake Enterprises164 Leisure Electronics89 Lone Star Models18 MACS Products165 Matts Model Airplanes176 McDaniel RC Service14 Messers Quality Model Prod154 Micro Mark12-13 Micro Model Engineering135 Model Products Corp166 Model Rectifier CorpCovers 2 & 3 Sid Morgan Plans174 Morley USA170 Mutchlers Hobbies148-149 NEPRO168 Northeast Screen Graphics167 PK Products170 Pacer Technology177 Pelican Enterprises175 Penn Valley Hobby Center166 Pica Products9 Plasticote179 Polks Hobby6-7 Progress Mfg Co8 Pro-Tune Corp34 RC Buyers Guide171 RC Extras138 RC Vacation176 Radio South151 Repla-Tech International22 Robbe Modellsport155 Roush Mfg22 SR Batteries173 Sachs TG167 Sagan Industries164 Satellite City135 Scale Model Research176 Sermos RC Snap Connectors172 Shamrock Competition Imports173 Sheldons Hobby Shop20 Sig Mfg Co163 Bob Smith Industries150 170 Super Cyclone Engines138 Swanson Assoc150 RC Sweitzer Enterprises141 T&D Research Associates20 Tatone Products Co173 Top Flite Models Inc140 Tower Hobbies169 Tru-Turn22 VL Products18 Victor Engineering174 WE Technical Services8 Wandit Mfg168 Williams Brothers34 Wilshire Model Center163 Windsor Propeller Co151 Wing Mfg Co10 World Engines141 Cover 4 Yale Hobby Mfg Inc15 Zenith Aviation99 Nick Ziroli Models134 score 4 maneuver other three 9 Nationalism has seen before resulted banning individuals future judging individual score sheets flight will critically analyzed host nation determine whether such action needed future 20% maximum bonus will definitely affect choice model type bonus biplanes undercam bered airfoil has eliminated Some contestants multi-engined models formed opinion judges already discounting scores 178 Model Aviation Now available THE WORLDS VINTAGE SAILPLANES 1908-45 Martin Simons Hard bound 176 pages quality paper 248 beautiful black white photos plus 65 color plates nearly 100 finely detailed scale drawings magniti cent collection rare information classic old timers SPECIAL CONESS1ON OFFER FROM THE PUBLISHER ONLY avail able readers send us 2 International Reply Coupons Ask Post Office will airmail free color brochure price details tell order Write now KOOKABURRA TECHNICAL PUBLICATIONS Pty Ltd P0 Box 648 Dandenong 3175 Victoria Australia No 531Terrible Coupe$475 FF Rubber-power Coupe dHiver spans 48 No 532Baby Bird$400 CL Tiny Stunter uses 049 diesel/glow spans 34Ain No 533Cessna C-37$500 RC Scaler 30s plane 049110 power 2-ch spans 421Ain No 5341938 Challenger$550 RC Y2A Texaco Old-Timer spans 47Y2 O49engine 2-chRC No193Stiletto CL Stunt model McDonald winner 197819801982 PAl World Champs$375 No239Blue Birds AC Ken Willards formation plane 4-channel 10/15 power$ No262Crashmaster CL Crash-proof trainer two sizen15/30 35/40 power8125 No302Mini P-i 6 AC Sarpolos 049 ducted-fan sport flierfor 2-channel Balsa wings tail lose otmotere$275 No3101939 Fleet Biplone AC Sport Scale 35/404-channel Wingspan 56 Vs scale Two sheets$825 No314Oroke II AC Ken Willards flying hoat foe 3-channel 15-power fly land rornovable tear$375 No326Taylor Cab AC Don SmIls Schoolyaed-Scale 049s2-3 channel Spans SOin*350 No332Zephyr AC Small 2-channel gliderforhand-launchortow thermal orolope soaring$280 No396Laser206 AC Sport Scale replica championship Aerohatic ffier Uses 40 power 4-5 channel Two sheets$t075 Ne414Electric Spunky AC Electric-powered ton flierfor 05 motor 3-channel AC scaled-op t939 robber-pewerfanorite$050 Ne430Irooside AC Zippy little sportoterfor 10115 power 3-channel AC$400 Ne433Watts Up AC Electric-powered glider 2-3 channels 035 motorspano 52 in$450 No436Cruiser FF Emhryo Endurance robber-powerfon ship has hig-madel characterintics$200 No440Canalier AC Old-Timer-like now design fos hogewing foreasy flights 35 power 3-ch Two shts81725 No444Firehelt AC Pusher canard epurt/pattern uses 40 posher engino 4channel Has swept-forward foam wings$850 No4415/sA Miss America AC Old-limer ISA Texaco model 040 glow 2-channels$050 No452Gee BeeZ ACtluartnr-scalespanslltu in. uses 90 power Foursheets81800 No454Sweet P-36 FF Neat stick-and-tissoe Outdoor Auhher P-30class model isa confers-winner$200 No451Spectra AC Electric-power forOSsize motor unno 3 differeotwings sport soaring aerobatics$700 No4604-40ACShoulder-wjognporsflierfor4-cycle 40-size engine4 channels8850 No465Blue Mao II AC Fun-fly sporteterfor 40-nize engines spans 52 lightweight stmctore$700 No480Smoother CL Stunter 20/35 power Design hasad hyhrid Smoothie/Nobler8675 No476Strokec AC Mid-wing sportoter ones 40/45 four-stroke engine spans 50 tail-dragger8850 Na476Buttercup AC Cute elfin sportoter uses micro 2-ch AC pulse-rudder Spans 27 020/035 power8300 No487Cap 21 AC Scale Aerobatic planefor 40-size engine spans 62 Two thents$1000 Na488MB-i FF Jumbo Aubber Scale 1920-era Thomas Moron hiplane spans 37 in$500 No406Waukeoder AC Low-wing sport flier 20-true 4-stroke engine spans 47 in$575 Na4094-60 AC Doc Mathews great sportflier 60-size four-strokernegien opens 70 Two sheets$1275 Na506Fakker DVIII AC Sport Scale model WW monoplane unee 90 four-stroke engine spans 03 Two aheets81600 No501Eledecker CL Spoot scale model early 1APr11 monoplane power spans 23r/e in$200 No602Bill Wioters Vaakand FF Sport flier down-sized 02-powered version oft 840s cabin plane Spans 33 in$225 Ne563Buzzhot AC Slope-soarerspans 60 uoen2ACchannels$750 No504Turha lance II PP Aubber-powered scale model spans 19 in$150 Na505P-3B Ligletaing CLSport Scaleflghtertpans6s in. weiglo 10 lb uses twin 35s Two sheets$1175 No506Playmote AC Sport flier 3 AC channels 15/25-size engines spans 50 in8650 No607Hammmubird FF fist clans A/B competition plane won asthe 05 Nato8750 No5089-256 CL Pnefile scale WW II bomberfor twin engines spans 30 in8400 No509Roscue 18 PP fiend-Launched Glider features cumed 10-er wing OT8150 Ne510Stumper PP fiand-Launched Glider has angular 18-in wing OT$150 No611F-16CLfiprnfilescalefighterspans hastricyclelandioggear8200 No612Estra 230 AC Giant Scale acrobatic plane spans Oft uses quadra engine Two plan sheets$1650 Ne513Black Beauty AC Stop-soaring racer has foam wino 3-rh AC spane 114 in8750 No614Heary T AC Sportoterfer 2-3 channel AC spans 52 in. has adjustable wing flaps$475 No515Weotluad Whirlwind AC Sport Scale Whirl twin-engined fighterfor 10-size engines spans 55 Two plan sheets81150 Ne516Euney CL Stonterfor 40/46 power spans 58 in$675 Na517Faka Ford AC Spooster forthree engines 3-ch AC Spans 50 Two plan sheets$575 No518Preject P-i 3 PP Scale German 514W II flying wing pusher/tractorforrubber power spans 26 in$325 No519Gee Bee R-l CL Profile sport flier 25 engines spans 36 in$475 Na526Flijht Assistant Wheeled flight boo carries lets Two plan sheets$1150 No521Comet Jr Clipper Plus 35% AC Old-Timersportsterfor engine 2-cb AC spane 40 in$650 Na522Sarta Pitto AC Aeminder-scule bipe 40/60 engines straes 43 Two plan sheets$1050 Na523Dawowalker PP Superlight Onlimited/Mulvihill robber-powered cnmpetitien plane opens 42 m$400 Ne524Tesas Rat CLAnother mooed nersion Midwest Sport Aacerfor 40 esoines sparm 24 in$275 Na525Hi-Tech 2662 AC Canard dusted-fan 45 engines spans 38 Two sheets$1000 Na526Ki61 Itnia CL Mostly-cardboard sport-scale WW II Japanese fighter los 40 engine spans 60 Two plan sheets$1150 Na527Miss NJ AC World Champion PAl Pylon Aacer 40 engines spans 51 in8550 Na526Swallow AC lightweight hotdogger 40-size four-stroke engines spans 58 in8025 Na529PBY Catalina PP Skinny Scale two CO-2 motors Spans 32 All-sheet-balsa canstructiso8325 No527Tsunami CLProfile scale Aspans2l inches All-sheet-bane constwction8225 0 0 Al 0 cJ en0 -0 0 0 z0 en cr0 0 O t enCO en C nb rr 00 0 0 0 en0 0 en C en V 00 en 00 en 0 0 ME J 0 E0 m 05 CITY 00 N U Circle numbers plans wish order 193 .332 1 01 s 468 oE 50 z z 507 514 521 528 239 386 447 470 501 5a8 515 522 529 262302 414430 452454 478487 502503 509510 516517 523524 530531 S i 8 S i S i STREET 8 - STATE 310 433 457 488 504 511 518 525 532 314 438 460 490 505 512 519 526 533 Plan price includes first class postage US delivery Air Mail over 300 miles I Far orders outside US pleaso add $250 Air Mail 8125 surface mail 326 440 465 499 506 513 520 527 534 Make chock money order payable US foods Model Aviation AMA 1810 Samofil Morse Reston VA 22090 Please allow 3 6 weeks delivery Please print carefullyEnclosed $__________________________________ ZIP future 20% maximum However very few multi-engined airplanes flights error-free realism flight scores suffered badly unsteadiness roll altitude changes RC flight line enjoyed large crowds appreciative spectators applause well-done maneuver common Both Savoia Marchetti bombers dropped bombs Skip Masts parachuted cargo drop Hercules always brought enthusiastic response crowd Control spectators very good clear view thanks Narve Jensen Norwegian Aero Club well-run cham pionships thanks Hazel Sig-Hester generously supplying team shirts jackets Special thanks Mid Hudson RC Society financial support team fund Chal lenger/Kostecky Continued page 98 SAM contest Grand Island NY decided fly Challenger just fun day contest absolutely gorgeous brilliant blue sky green thermals everywhere could get up 400 ft work hard max out launched Chal lenger sporadic engine runs give 049s bad name After 5 minutes never 200 ft off ground plane plopped down pouted behind clump weeds second flight slightly richer setting saw old Challenger spiraling down several times just keep sight finally recording over 15 minutesa tad overkill 10minute max Boy pain neck rest day dollar time sniveled could have won could retire So much funnext year serious Balanced shown model flies great suspect center gravity CG could moved back some havent bothered plane super quiet evenings schoolyard all-out competitor can surpass its class SAM meet i sin S 0 S unvnCnen cLinees reac cenicnl iLLUsTrATeS race se SIX PACe PICK ECu SOUTneusren ru ARAnPeA~ i1I BuC-e Mirror 180 Model Aviation
Edition: Model Aviation - 1986/11
Page Numbers: 85, 86, 87, 88, 92, 93, 94, 176, 177, 178, 180
Scale World Championships An amazing variety Bob Dolly Wischer aircraft proto types represented Radio Control Control Line models Unlike some formeryears least RC winners circle dominated aircraft type NORWAY WAS THE HOST nation Ninth Scale World Championships action took place Kjeller Airport military field 20 miles northeast Oslo 17 nations competed47 airplanes Radio Control 13 Control Line large entry RC imposed quite burden contest management serious consideration given limiting flights two rounds end competitors given three flights contest came conclusion within allotted time because weather permitted another rain shower extra day would have needed Norwegian Aero Club organizers World Championships made some wise early decisions helped com press action five days judging done using five RC ffight judges CL static scoring CL judges RC static permitted RC flights begin before models judged Static judging began lineup winner RC Scale Max Merckenschlager Germany 1/4-scaie Bristol Scout aivina soan 73 Weight 113 lb engine lean 08 120 four-stroke Finish over lightly-dyed silk homemade dummy engine cast epoxy glass RC Scale 2nd place Wa WOfl Dy nunurusa eiiur OT wirzeriana wurn UI1-50 Lomet 1 /6-scale two 08 40 four-stroke engines Weight 1a12 lb finish ii auto lacquer Loft Dalotel Chris Foss England 1/4-scaie spans 82 weighs 94 lb finish Black Baron paint varnish overcoat RIght Australian team manager reads checklist before starting engines David Mastertons deHaviliand Drover Three Enys 40 four-stroke engInes center turning backwards power model finish paint over 0035 aluminum Left OflO Otifle iignxesi mooes EjUIIPPU CIUT55UflU UFIO MOm am wu lola gu unnu finish enamel over Solartex Right Carlo Mapelil italy haa modeled Mmarlcan umirulight homebulil ppy simple model could well World Championships competition against multi-engine airplanes engina nya 1 u Tour-airuKu models permit overview distance comparison purposes Showers interrupted static judging being done outdoors also early flights beginning flying could have used services Dave Brown Ron Hesselbrock flight-line bosses accelerate action fellows Nats Later week situation improved moving No 1 ready box point runway behind flight judges speeded action considerably future 60 70 entries can expected two sets judges will required some flight scores may suffer because unequal exposure threeflight schedule could easily have happened Oslo because entries expected arrived some dropouts among USSR RC teama major disappoint ment everyone evident Soviet team will appear until winning potential Considering small number aero club members available organization well-run meet two hotels nearest within walking distance airport about mile used headquarters setting im pressive Surrounding hills forested have hundreds pretty homesites slopes hotel located slight knoll spectacular views windows Everyone evening meal together large room Smaller side rooms popular spots social gatherings evenings Nor wegian Aircraft Museum specially opened evening almost everyone chance see collection 21 hours daylight July Oslo latitude evening activity wasnt limited Saturday night banquet party continued until 4 am well after daybreak Several nations made first-ever appear ances Scale WCamong Japanese mistaken impression would come champion ships until ready sweep top places definitely case really came learn enjoy themselves truly delight ful group above average models flying skills yet world-beating con tenders first-flight jitters same everyone settled down afterward show cham pionship material first flights exciting Okamotos Nieuport 11 takeoff almost wiping out judges scramble 86 Model Aviation maui compiax moasi UT maui mis r- ouiii DY Philip Avonds jet fighter pilot Belgium Twin KAB 75 engines spin Turbax rotors mounted fiberglass shrouds model made obechi plywood has foam wings its 1/9scale spans 57 Right BE-2c Jurgen Steinberger Germany hasa dummy engine turned milled aluminum hammered aluminum cowl Covering silk wingspan 1680 Left Vs-scale stinson Al rimotor oy ieva auger nag ma nignaststammcsuora ut Lou 00 5llUUU center 05 25 span go weight 1813 lb Homemade retracts use Rom-Air SM-79 Sparviero trimotor bomber Carlo Bergamaschi italy isi /9-scala weighs 13 lb uses mr. Left Skip Masts Lockheed NC-i 30B judging table Skip used modified Goldberg retracts main gear Rom gear nose foam 1/16-in lightweight balsa cover finish acrylic enamel over lightest-weight sllkspan Its 1/-scaie weighs 13 lb span 975 Right Australian Lloyd Dippel prepares start OS 120 GemIni twin 84-in-span Bowers Fly Baby Left Bengt Kailetrom Sweden built Klemm 35 1/5-scale Weight 10 lb 08 1 uu-wiuuiw PU U LU III UIU enamel over Polytex Right Wim Reynders Belgium modeled North American F-82B Twin tang Wingspan 177 irs sand two 08 40 FSRs provide power Wim produced own approved three-view drawing Balsa construgimon epoxy fiberglass finish quickly Nieuport repaired came back very presentable flights subsequent rounds surprisingly resilient aircraft Fortunately its Gemini engine escaped damage cartwheel landing other two airplanes Zero course T Furuta Republic P-47D25 S Takahara Japanese made inquiries about staging future World Championships country possibly 1990 Control Line Scale Soviet team expected unbeatable Valery Kramarenkos Antonov lost crash place Alex Pavlenko LI-2T copy Doug las DC-3 finished third First place again won Antonov AN-28 turboprop airliner Vladimir Fedosov high static score gave slight edge over Bulatnikovs biplane Air-i Soviet models showed highest type craftsmanship professional touch As past seemed two contests CL decide Russians would first second third another other placings US Jeff Perez Boeing B-17G overcame low static score excellent flights become leader Observers proclaimed flying best has ever done Ron Sears Stearman PT-17 enjoyed higher static score although 700 points less Paris able make reasonably good flight heavy mod el Julie Abels clipped wing Cub needed high flight scores augment low static Only few lost maneuvers prevented placing higher peculi arities CL scoring zero given models lines reach 450 prescribed number laps wondered about measurement angle Both Ron Julie victims zero maneuver Julies banner tow provided some scores 10 later flights higher judges de cided give scores both banner tow banner drop As female contestant Julies popularity resulted front-page newspaper photo Continued page 88 November 1986 87 MrJuvu uiur uarmgu oupwiln onips nsa gummy rotary engine revolves single bail bearing noseweight driven exhaust models Laser 90 four-stroke engine Nylon covering finished dope Humbroi paint Right Grum man Wildcat Switzerland Peter Muller has complex retracting gear Scale 1/65 engine 08 90 four-stroke Left /4-scale 13-lb PlUs S-2A Poul Munsberg Denmark powered 0 four-stroke engine silk-covered Simprop paint Right Mitsubishi A6M5 Zero Japan T Furuta used 08 SF 90 engIne external tank dropped flight Left colorful 1/6-scale Boeing PT-i 7 Soren Frederickason Sweden finished boat paint over Polytex engine Enya 120 four-stroke span 1s64 weighs 1 2/a lb Right VldarTolfsen Norway used Enya 90 four-stroke deHavilland Tiger Moth Mick Reeves England has now flown Scale World Championships prefers RC unable become team member returned earlier talent CL Zim 526 Akrobat model stored its travel box since last used 1974 returned service 12 years later first flight Mick discovered black rubber pickup tube inside fuel tank dis integrated model badly damaged flying inverted its second flight As expected four nations con testants CL event appeared destined reduced WC international contest make fully acceptable championship Norway became fifth nation entering semiscale Mustang Petter Harsem has done before Control Line World Championships unless something done preserve event may never another RC Scale US team suffering low static scores finished 10th 14th 22nd places static scoring positions 6th Steve Saugers Stinson Trimotor 23rd Skip Masts C130 Hercules 34th Cliff Tacies Trimotor Savoia Marchetti affectionately known spaghetti bomber large deficits make up 2Oto 30% bonuses applied flight scores Steves Stinson its 25% bonus three engines retracts conventional tail-dragger landing gear hope well competition would have needed near-perfect flight Small errors accumulate some can very damaging example take off scored 1 10 judge perfect takeoff can give score 50 10 five judges weighting multiplication K factor degree difficulty 10 producing total score 500 25% bonus 500 escalates 625 swerve takeoff run can substantially reduce score certainly advisable make takeoff landing perfectly maneuvers win lose FM Scale contests judges decide swerve reduced score five unlikely total maneuver alone will have lessened 312 points Steve Saugers Stinson Trimotor con sidered glamour machines contest attracted generous attention US entry found overweight supersensitive digital readout scale Steve solved problem substituting lighter 450 mAh battery pack larger cells model own examination static scoring reinforced belief Stinson deserved better place However must pointed out Steves documentation could have better Though Steves flying improved round 25% bonus couldnt overcome small errors flight Continued page 92 88 Model Aviation Left Cliff Tacles Savola Marchetti SM-Si 1/11-scale 85-in wingspan three K&B 35 engines Weight Ia 13 lb Finish Sig butyrate dope over Super Coverite Silkapun Covent wings Above Jean Roumseau France brought new Moynet Jupiterto Oslo An earlier model destroyed Lemourget 1984 Engines 08 40 FSR Covering sheet aluminum Skip Mast completely new Lock heed HC-1 30 Hercules Oslo Its 30% bonus highest meet Skips low static score largely result absence surface detail Modeling very large airplane Y16-scale affects amount detail can applied Engine prob lems affected flight scores engine stopped model rotated takeoff first flight judges gave credit three-engine flight although rule states engines must running takeoff given credit four-engine flight becomes question whether propeller still turning instant wheels parted runway cules flies very well three engines Augmented its 30% bonus highest flight scores three US models Taxi points lost K&B 35 engine needed restart before takeoff Two flights completed four engines running Cliff Tacies Savoia Marchetti Trimotor bomber given very low static score documentation consisted photos publication profile-type threeview drawing External details difficult reproduce apply large airplane reduced Yii-scale Cliff also engine problems first attempt model nosed over suddenly just ready lift runway flight engines throttled end taxi maneuver engine stopped restarted taxi points lost US team used radio equip ment furnished Airtronics same frequency could interchange transmitters necessary models equipped Airtronics smallest lightest servos important item mod els built up maximum weight allowed Radio problems nonexistent contestants throughout meet Seventeen biplanes entered championships first place -scale Bristol D Scout Max Merckenschlager West Germany flown muffled OS 120 four-stroke large-diameter propeller extreme quietness flights made low throttle settings further reduced ex haust noise Max already accumulated enough points very first flight win event flying technique very steady no unnecessary changes Left S Takahara Japan used 05 61 Republic P-47-D25 Thunderbolt Complexcontrais forthe sliding canopyand bomb drop Right 1 /6-scaie Fokker instructor S-i 1-1 William Noordegraaf Netheriandsscratch-bulit varnish over silk paint 92 Model Aviation US team L-R Julie Abel Piper J-3 Jeff Perez Boeing B-i 7G Ron Sears Stearman PT-i 7 MlkeGretzasst team manager Dolly Wischerteam manager SteveSaugerStin son Tn motor Skip Mast Lockheed Hercules Cliff Tacie Savola Marchetti SMSI Left Peter Miii Canada deHavilland Chipmunk built Bob Holman plans Peter made own fiberglass fuselage foam wings its 1 /6-scale spans 68 weighs ge lb uses Supertigre 61 finish KAB epoxy overCoverite Above 1/4 scale Bucker Jungmeister Jarno Helasuc Finland finished Coverite enamel engine Enya 120 four-stroke altitude direction absolutely no errors Remarkably accomplished using biplane undercambered airfoil airplanes dyed silk cov ering clear dope finish gave ap pearance light weight fact built up 6kg weight limit realistic dummy engine crankcase formed epoxy fiberglass silicone molds other pilots counting better weather improved flying conditions later rounds hope steadier hand controls Max contest won first day flying second place deHavilland 88 Comet Hansruedi Zeller Switzer land first seen La Bourget 1984 made some improvements notably throttle trim system possible steer taxiing changing individual settings two 0S 40 fourstroke engines also capability synchronize engine rpm air system model very steady during flight being racer could flown quite fast losing realism points Hansruedis dive straight flight below six meters altitude always thrill watch addition being excellent pilot also master showman Also Switzerland third place Let Vladimir Boulatnikov USSR 2nd CL Scale Air 1 Webra 61 dummy Blackburn Cirrus engine working valve rockers belt-driven An animated dummy pilot salutes turns Its head Right Four years effort team professionals produced LI-2T Douglas DC-3 look-alike flown 3rd place Alexandr Pavienko USSR Engines handmade specials Left Marlan lazirod Poland second-highest flight scores CL very low static score Model isa Zlin SOL Harlan uses Webra 61 engine haul model around Right Hick Reeves England resurrected venerable Ziin Akrobat built 1969 entered three Control Line World Championships 1970 1972 1974 flown since met Its fate crash inverted November 1986 93 Firs piace ionrroi Line G8I6 weawun again u ,ilr Fedesovof USSR Antonov AN-28 turboprop airliner pair speckany-made 60 engines bevel gear drives fitted narrow nacelles Reversible-pitch props used taxiing Len wecironlcrnrouie tiaps drop tank homemade retracts 15-lb model covered 005 aluminum iitho plate Hastwo lruru viuginwa hIs Boeing B-i 70 75-in span 12 lb four 0S 25 engInes three Worli Left AdsHavilland OH-OS Mosquito Loch Podgorskl Poland used two Webra 40 engines hasfiown Worid Champs Right Ron Sears PT-i 7 Stearman Kaydet 181 /6-scais 641/2-in span Supertlgre 60 FInish Randoiph dope enamei over Coverite Bucker Jungmeister Konrad Qetiker highest static score Mistakes bad landing damaged landing gear kept scores low first two flights Konrad returned finish excellent third round also gave Swiss team first place Biplanes proving real contenders Five first nine places biplanes Chris Foss England 82-inspan -scale Dalotel proved aero batic monoplane could contend biplanes also made clear twostroke 60 engine well muffled could match four-strokes quietness OS 60 FSR carried large model dif ficulty respect Dalotel different weighed 43kg 95 lb Chris model well under maximum weight chosen different route success Two years ago David Masterton Australia come Paris victory trimotor deHavilland Drover very high flight scores Oslo static score slipped down ward different set judges Dave arrived early done Paris foam-and-balsa practice trimotor airplane cut seven pieces transportation good practice field wasnt available Dave made couple flights before competition began meticulous professional pilot has team manager read off 10-item checklist before flight engines 05 40 four-strokes center engine having reverse rotation provide straight-line 500-point takeoff necessary win ning effort course also means needs reversing switch starter motor center engine well lefthand prop model completely cov ered aluminum alloy sheet 003 5 thick specially rolled hardness pre vent handling damage contact adhesive used fasten aluminum 2-in balsa substratum rivet detail embossed aluminum rear Washout seven degrees Drovers tapered wings provides stability slow speeds Daves slow steady flights attest its value First ducted-fan model complete flight Scale World Championships McDonnell-Douglas F-15C Eagle Philip Avonds Belgium twin K&B 75 engines used tuned pipes because model already 6kg weight limit first flight Oslo also models first everyones surprise performed perfectly until engine quit landing heavy its carbon-fiber landing gears damaged Philip made hasty repairs carbon fiber model designed scratch-built Avonds using obechi plywood balsa foam wings wings complex airfoil faithfully reproduced semi-symmetrical section root sharp washout twist thin undercambered tips Rotors Tar bax shrouds stators made layer 5-oz fiberglass cloth models exterior finished glass cloth epoxy paint furnished factory its second flight vibration engine caused rotor shifting off center third flight same problem fractured crankshaft complete Continued page 176 94 Model Aviation Lert JUlIO RDI5 oanner tow clipped wing Piper Cub earned high flight scores model orIginated Sig kit its engine 08 40 FSR span 57 its finished Covent dope Above Henryk Stecyk Poiand used US prototype OV-1 OA Bronco CL Scale Two Webra Speed 61. J ur ngIanu umug pair U5 .n engines tor nis uougias L-4A UaKOta nag uAgwileht flights unfortunateiy iow static score cancelied out effort time chase retrieve everyone get three flights Several latecomers caught unawares missed 700-to-800 am round out Another several launch line 750 furiously winding shouting timers no avail Motors popping shreds flying whistle went off schedule close round part flying low key very high quality hordes camera bugs launch along lots ofjolly good advice thermal picking let go going round cheers successful groans various inevitable smushes Conditions field could have better tem perature 90s rather usual 110 very low humidity slight drift early generally benign thermalsalthough eight models dis appeared overhead during memorable boomer Genial Jim Adams maxed-out Gor don S Light replica win first place closely followed Bob Langdons latter day Light played game winners since contest unique its ingredients its vintage quality its spirit being US team flying Wakefield against inter national entry truly great site thrill enough word unforget table As bottom line 50th reenactment 1937 Wakefield Cup contest will held Old Warden England already shuffling paper bank preparation Scale WC/Wischers Continued page 94 flights models sixth-place finish could have much improvedhelped high static score 20% bonus Three biplanes finished 7th 8th 9th placesa BE-2c Jurgen Steinberger W Germany DH-82 Tiger Moth Kjell-Ake Elofsson Sweden Sorrel Guppy ultralight Carlo Mapelli Italy Guppy model reversion past model simple airplane well done detail reproduced minia ture could contender first place BOX 429SKYLAND N C28776 THE DIFFERENT FOAM MODEL Lowest Cost Modeling 3 3 Send Si 00 latest fine-grain sheet foam 3 developments foam samples FREE foam 3 sources Hard Shell finishes now Ilable Dozens easy build foam air plane plans Peanuts RIC FOAM SCALE MODELS Box 662MA St Croix Falls WI 54024 III 0CS Antique Military Civiliart Helicopier8 Sailpianes color FOTOPAAKSKOKU-FAN 3-vIews 40OCO pictures stock2000 drawinqa siock Vacation I Handy Disney World l0oR LD Kennedy Space Center rest Florida 3 Bedrooms sleeps 8 Kitchen A/C Pool Ttnnis lots R/C flying Nov-May $500 ink / June-Oct 1400 ink / isightly & monthly rates also available 007 528-4e43 176Model Aviation PRESENTING FL INGER THE ULTIMATE SMALL SAILPLANE HANDLAUNCH HI-STARTorSLOPE WINGSPAN 57 WEIGHT l2oz MACHINECUT PARTS DEALERS&DIST INQUIRIES INVITEDFLINGER LJMP 110 $2995 ELECTRA L ITE-iCARUS-PANTERA METEOR-ELECTRICUS-WHISTLER PR ELUDE-COMET LARRY JOLLY MODEL PRODUCTS 5501 W COMO SANTA ANA CALIFORNIA 92703 714 826 6861 PUZZLED CALL MATT No time build Mutt itlil hove time. know 1 Complete Call 9am -8 pm lEST 2 Semi-Assembled609-395-1672 Irsady cover sandedi Malts Model BuildingPG Box U 1 Stockton Drive Crmnbnrv NJ 93512 Rate cards available reel SASE 14-1/8o9-1/21 also build Cars louts FLYING NEAR AIRPORTS BE CAREFUL PROTECT YOUR RIGHT TO FLY Safe Flying No Accident LAThES INS MACHINe IN SlOP tUPPLIES the Aviation Medal //OMACHINERY AN5JLS $1308-5838I vOle,, ,vOrf,r,doo adqvI QUALITY FREE FLIGHT KITS AND SUPPLIES FOR COMPETITION AND SPORT SINCE 1975 Dealer inquiriesCatalog SOt invited .BLUE RIDGE MODELS rMoRE POWER WITH LESS NOISE four-cycle measuring up expectations read Make engine before Make 60 120 four-stroke less means 1 Quieter glow 2 More mellow sounding four-cycle 3 More usable power both 4 Highest power-to-weight ratio 5 The lowest idle ever 6 Increase mileage up 4 times 7 Runs cooler glow 8 No glowplugs fail 9 Increased reliability 10 Fuel available concentrate Conversion kits available 049 30 cid Schnuerle ported engines Its sim ple just change heads fuel What waiting Dust off two-cycle DIESELIZE Send self-addressed stamped enve lope 60 information call 203-877-1670 between 730 pm 930 pm EST DAVIS DIESEL DEVELOPMENT PO Box 141 Milford CT 06460 leader quiet combustion technolo since 1976 Carlo predicted simple airplane could beat complex US multi-engined aircraft correctwith 10% bonus biplane tail-dragger static score among highest very difficult judges find fault ultra-simple model Carlo needed good flight Static judging done outdoors model being presented viewing contestants helpers model viewed sides including bottom done distance three meters nearest part model Since judges models moved small models received little less scrutiny Judging surface texture crafts manship scale detail done distance meter Balsa sticks 1 meter length carried judge assure came too close US judge George Buso acted chief judge RC static scoring also CL flights lack US judge RC flight line source some consternation US con testants especially after seeing low static scores well low first-flight scores some question favor itism being shown two judges would fIt4P little device sounds beep guide right plane Easily mounts smallest planes Use connector plug receiver same servo Also tells someone frequency solid state crystal oscillator Comes ready mount full structions included WT 1 oz DIM 1 x2 3/8 x IN USA CLUB DISCOUNTS AVAILABLE * ASK * SEND CHECK OR MONEY ORDER TO ELECTRONIC DESIGNS INC BOX Z 1925 GREENWOOD LK TPK HEWITT NEW JERSEY 07421 PHONE 201 728-1616 Plus $200 Shipping cont USA NJ Residents add 6% Sales Tax COD add $200 Allow 2 wks Shipping November 1986 177 9 ONLY onding advertisers mention read about Model Aviation rAlV V JD X ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX Academy Aviation R&D147 Ace Radio Control14 Aerodrome Models Ltd138 Aerospace Composite Products145 Airtronics2 Altech Marketing19 American Jr Aircraft Co166 Applied Design Corp135 Astro Flight10 Quay Barber Models166 Beer Can Bombers180 Bell Rock Industries146 Blue Ridge Machinery & Tools176 Blue Ridge Models176 Dave Brown Products34 Bru Line Industries140 Byron Originals147 Carolina Model & Hobby Expo172 Carolina-Taffinder166 Johnnie Casburn Mfg145 Circus Hobbies152-153 Cleveland Model Supply168 Eric Clutton22 Consumers Guide150 Coverite23 139 Cox Hobbies1 DGA Designs154 171 Davis Diesel Development176 Dodgson Designs168 Dougs Hobby Shop156-161 Du-Bro Products Inc162 Dynathrust Props163 Electronic Design Corp177 FAI Model Supply138 FHS Supply Inc4 Flyline Models166 Foam Scale Models176 Fourmost Products140 Fox Mfg146 Futaba Corp America21 GM Precision Products84 Gator RC Products134 Geometron Co145 Carl Goldberg Models83 Golden Era Plans167 Golden Gate East165 Gorham Model Products90-91168 Great Planes Model Mfg Co164 Harry B Higley & Sons175 Haviland Aircraft151 Helicopters Unlimited5 Historic Aviation17 Hobby Barn 137 Hobby Horn146 Hobby Lobby International175 Hobby Woods154 lkonNW146 Indy RC Sales Inc142-144 JTec174 Larry Jolly Model Products176 Jomar165 K&B Mfg165 K&S Engineering175 Kookaburra Technical Publications178 Kustom Kraftsmanship165 Lake Enterprises164 Leisure Electronics89 Lone Star Models18 MACS Products165 Matts Model Airplanes176 McDaniel RC Service14 Messers Quality Model Prod154 Micro Mark12-13 Micro Model Engineering135 Model Products Corp166 Model Rectifier CorpCovers 2 & 3 Sid Morgan Plans174 Morley USA170 Mutchlers Hobbies148-149 NEPRO168 Northeast Screen Graphics167 PK Products170 Pacer Technology177 Pelican Enterprises175 Penn Valley Hobby Center166 Pica Products9 Plasticote179 Polks Hobby6-7 Progress Mfg Co8 Pro-Tune Corp34 RC Buyers Guide171 RC Extras138 RC Vacation176 Radio South151 Repla-Tech International22 Robbe Modellsport155 Roush Mfg22 SR Batteries173 Sachs TG167 Sagan Industries164 Satellite City135 Scale Model Research176 Sermos RC Snap Connectors172 Shamrock Competition Imports173 Sheldons Hobby Shop20 Sig Mfg Co163 Bob Smith Industries150 170 Super Cyclone Engines138 Swanson Assoc150 RC Sweitzer Enterprises141 T&D Research Associates20 Tatone Products Co173 Top Flite Models Inc140 Tower Hobbies169 Tru-Turn22 VL Products18 Victor Engineering174 WE Technical Services8 Wandit Mfg168 Williams Brothers34 Wilshire Model Center163 Windsor Propeller Co151 Wing Mfg Co10 World Engines141 Cover 4 Yale Hobby Mfg Inc15 Zenith Aviation99 Nick Ziroli Models134 score 4 maneuver other three 9 Nationalism has seen before resulted banning individuals future judging individual score sheets flight will critically analyzed host nation determine whether such action needed future 20% maximum bonus will definitely affect choice model type bonus biplanes undercam bered airfoil has eliminated Some contestants multi-engined models formed opinion judges already discounting scores 178 Model Aviation Now available THE WORLDS VINTAGE SAILPLANES 1908-45 Martin Simons Hard bound 176 pages quality paper 248 beautiful black white photos plus 65 color plates nearly 100 finely detailed scale drawings magniti cent collection rare information classic old timers SPECIAL CONESS1ON OFFER FROM THE PUBLISHER ONLY avail able readers send us 2 International Reply Coupons Ask Post Office will airmail free color brochure price details tell order Write now KOOKABURRA TECHNICAL PUBLICATIONS Pty Ltd P0 Box 648 Dandenong 3175 Victoria Australia No 531Terrible Coupe$475 FF Rubber-power Coupe dHiver spans 48 No 532Baby Bird$400 CL Tiny Stunter uses 049 diesel/glow spans 34Ain No 533Cessna C-37$500 RC Scaler 30s plane 049110 power 2-ch spans 421Ain No 5341938 Challenger$550 RC Y2A Texaco Old-Timer spans 47Y2 O49engine 2-chRC No193Stiletto CL Stunt model McDonald winner 197819801982 PAl World Champs$375 No239Blue Birds AC Ken Willards formation plane 4-channel 10/15 power$ No262Crashmaster CL Crash-proof trainer two sizen15/30 35/40 power8125 No302Mini P-i 6 AC Sarpolos 049 ducted-fan sport flierfor 2-channel Balsa wings tail lose otmotere$275 No3101939 Fleet Biplone AC Sport Scale 35/404-channel Wingspan 56 Vs scale Two sheets$825 No314Oroke II AC Ken Willards flying hoat foe 3-channel 15-power fly land rornovable tear$375 No326Taylor Cab AC Don SmIls Schoolyaed-Scale 049s2-3 channel Spans SOin*350 No332Zephyr AC Small 2-channel gliderforhand-launchortow thermal orolope soaring$280 No396Laser206 AC Sport Scale replica championship Aerohatic ffier Uses 40 power 4-5 channel Two sheets$t075 Ne414Electric Spunky AC Electric-powered ton flierfor 05 motor 3-channel AC scaled-op t939 robber-pewerfanorite$050 Ne430Irooside AC Zippy little sportoterfor 10115 power 3-channel AC$400 Ne433Watts Up AC Electric-powered glider 2-3 channels 035 motorspano 52 in$450 No436Cruiser FF Emhryo Endurance robber-powerfon ship has hig-madel characterintics$200 No440Canalier AC Old-Timer-like now design fos hogewing foreasy flights 35 power 3-ch Two shts81725 No444Firehelt AC Pusher canard epurt/pattern uses 40 posher engino 4channel Has swept-forward foam wings$850 No4415/sA Miss America AC Old-limer ISA Texaco model 040 glow 2-channels$050 No452Gee BeeZ ACtluartnr-scalespanslltu in. uses 90 power Foursheets81800 No454Sweet P-36 FF Neat stick-and-tissoe Outdoor Auhher P-30class model isa confers-winner$200 No451Spectra AC Electric-power forOSsize motor unno 3 differeotwings sport soaring aerobatics$700 No4604-40ACShoulder-wjognporsflierfor4-cycle 40-size engine4 channels8850 No465Blue Mao II AC Fun-fly sporteterfor 40-nize engines spans 52 lightweight stmctore$700 No480Smoother CL Stunter 20/35 power Design hasad hyhrid Smoothie/Nobler8675 No476Strokec AC Mid-wing sportoter ones 40/45 four-stroke engine spans 50 tail-dragger8850 Na476Buttercup AC Cute elfin sportoter uses micro 2-ch AC pulse-rudder Spans 27 020/035 power8300 No487Cap 21 AC Scale Aerobatic planefor 40-size engine spans 62 Two thents$1000 Na488MB-i FF Jumbo Aubber Scale 1920-era Thomas Moron hiplane spans 37 in$500 No406Waukeoder AC Low-wing sport flier 20-true 4-stroke engine spans 47 in$575 Na4094-60 AC Doc Mathews great sportflier 60-size four-strokernegien opens 70 Two sheets$1275 Na506Fakker DVIII AC Sport Scale model WW monoplane unee 90 four-stroke engine spans 03 Two aheets81600 No501Eledecker CL Spoot scale model early 1APr11 monoplane power spans 23r/e in$200 No602Bill Wioters Vaakand FF Sport flier down-sized 02-powered version oft 840s cabin plane Spans 33 in$225 Ne563Buzzhot AC Slope-soarerspans 60 uoen2ACchannels$750 No504Turha lance II PP Aubber-powered scale model spans 19 in$150 Na505P-3B Ligletaing CLSport Scaleflghtertpans6s in. weiglo 10 lb uses twin 35s Two sheets$1175 No506Playmote AC Sport flier 3 AC channels 15/25-size engines spans 50 in8650 No607Hammmubird FF fist clans A/B competition plane won asthe 05 Nato8750 No5089-256 CL Pnefile scale WW II bomberfor twin engines spans 30 in8400 No509Roscue 18 PP fiend-Launched Glider features cumed 10-er wing OT8150 Ne510Stumper PP fiand-Launched Glider has angular 18-in wing OT$150 No611F-16CLfiprnfilescalefighterspans hastricyclelandioggear8200 No612Estra 230 AC Giant Scale acrobatic plane spans Oft uses quadra engine Two plan sheets$1650 Ne513Black Beauty AC Stop-soaring racer has foam wino 3-rh AC spane 114 in8750 No614Heary T AC Sportoterfer 2-3 channel AC spans 52 in. has adjustable wing flaps$475 No515Weotluad Whirlwind AC Sport Scale Whirl twin-engined fighterfor 10-size engines spans 55 Two plan sheets81150 Ne516Euney CL Stonterfor 40/46 power spans 58 in$675 Na517Faka Ford AC Spooster forthree engines 3-ch AC Spans 50 Two plan sheets$575 No518Preject P-i 3 PP Scale German 514W II flying wing pusher/tractorforrubber power spans 26 in$325 No519Gee Bee R-l CL Profile sport flier 25 engines spans 36 in$475 Na526Flijht Assistant Wheeled flight boo carries lets Two plan sheets$1150 No521Comet Jr Clipper Plus 35% AC Old-Timersportsterfor engine 2-cb AC spane 40 in$650 Na522Sarta Pitto AC Aeminder-scule bipe 40/60 engines straes 43 Two plan sheets$1050 Na523Dawowalker PP Superlight Onlimited/Mulvihill robber-powered cnmpetitien plane opens 42 m$400 Ne524Tesas Rat CLAnother mooed nersion Midwest Sport Aacerfor 40 esoines sparm 24 in$275 Na525Hi-Tech 2662 AC Canard dusted-fan 45 engines spans 38 Two sheets$1000 Na526Ki61 Itnia CL Mostly-cardboard sport-scale WW II Japanese fighter los 40 engine spans 60 Two plan sheets$1150 Na527Miss NJ AC World Champion PAl Pylon Aacer 40 engines spans 51 in8550 Na526Swallow AC lightweight hotdogger 40-size four-stroke engines spans 58 in8025 Na529PBY Catalina PP Skinny Scale two CO-2 motors Spans 32 All-sheet-balsa canstructiso8325 No527Tsunami CLProfile scale Aspans2l inches All-sheet-bane constwction8225 0 0 Al 0 cJ en0 -0 0 0 z0 en cr0 0 O t enCO en C nb rr 00 0 0 0 en0 0 en C en V 00 en 00 en 0 0 ME J 0 E0 m 05 CITY 00 N U Circle numbers plans wish order 193 .332 1 01 s 468 oE 50 z z 507 514 521 528 239 386 447 470 501 5a8 515 522 529 262302 414430 452454 478487 502503 509510 516517 523524 530531 S i 8 S i S i STREET 8 - STATE 310 433 457 488 504 511 518 525 532 314 438 460 490 505 512 519 526 533 Plan price includes first class postage US delivery Air Mail over 300 miles I Far orders outside US pleaso add $250 Air Mail 8125 surface mail 326 440 465 499 506 513 520 527 534 Make chock money order payable US foods Model Aviation AMA 1810 Samofil Morse Reston VA 22090 Please allow 3 6 weeks delivery Please print carefullyEnclosed $__________________________________ ZIP future 20% maximum However very few multi-engined airplanes flights error-free realism flight scores suffered badly unsteadiness roll altitude changes RC flight line enjoyed large crowds appreciative spectators applause well-done maneuver common Both Savoia Marchetti bombers dropped bombs Skip Masts parachuted cargo drop Hercules always brought enthusiastic response crowd Control spectators very good clear view thanks Narve Jensen Norwegian Aero Club well-run cham pionships thanks Hazel Sig-Hester generously supplying team shirts jackets Special thanks Mid Hudson RC Society financial support team fund Chal lenger/Kostecky Continued page 98 SAM contest Grand Island NY decided fly Challenger just fun day contest absolutely gorgeous brilliant blue sky green thermals everywhere could get up 400 ft work hard max out launched Chal lenger sporadic engine runs give 049s bad name After 5 minutes never 200 ft off ground plane plopped down pouted behind clump weeds second flight slightly richer setting saw old Challenger spiraling down several times just keep sight finally recording over 15 minutesa tad overkill 10minute max Boy pain neck rest day dollar time sniveled could have won could retire So much funnext year serious Balanced shown model flies great suspect center gravity CG could moved back some havent bothered plane super quiet evenings schoolyard all-out competitor can surpass its class SAM meet i sin S 0 S unvnCnen cLinees reac cenicnl iLLUsTrATeS race se SIX PACe PICK ECu SOUTneusren ru ARAnPeA~ i1I BuC-e Mirror 180 Model Aviation
Edition: Model Aviation - 1986/11
Page Numbers: 85, 86, 87, 88, 92, 93, 94, 176, 177, 178, 180
Scale World Championships An amazing variety Bob Dolly Wischer aircraft proto types represented Radio Control Control Line models Unlike some formeryears least RC winners circle dominated aircraft type NORWAY WAS THE HOST nation Ninth Scale World Championships action took place Kjeller Airport military field 20 miles northeast Oslo 17 nations competed47 airplanes Radio Control 13 Control Line large entry RC imposed quite burden contest management serious consideration given limiting flights two rounds end competitors given three flights contest came conclusion within allotted time because weather permitted another rain shower extra day would have needed Norwegian Aero Club organizers World Championships made some wise early decisions helped com press action five days judging done using five RC ffight judges CL static scoring CL judges RC static permitted RC flights begin before models judged Static judging began lineup winner RC Scale Max Merckenschlager Germany 1/4-scaie Bristol Scout aivina soan 73 Weight 113 lb engine lean 08 120 four-stroke Finish over lightly-dyed silk homemade dummy engine cast epoxy glass RC Scale 2nd place Wa WOfl Dy nunurusa eiiur OT wirzeriana wurn UI1-50 Lomet 1 /6-scale two 08 40 four-stroke engines Weight 1a12 lb finish ii auto lacquer Loft Dalotel Chris Foss England 1/4-scaie spans 82 weighs 94 lb finish Black Baron paint varnish overcoat RIght Australian team manager reads checklist before starting engines David Mastertons deHaviliand Drover Three Enys 40 four-stroke engInes center turning backwards power model finish paint over 0035 aluminum Left OflO Otifle iignxesi mooes EjUIIPPU CIUT55UflU UFIO MOm am wu lola gu unnu finish enamel over Solartex Right Carlo Mapelil italy haa modeled Mmarlcan umirulight homebulil ppy simple model could well World Championships competition against multi-engine airplanes engina nya 1 u Tour-airuKu models permit overview distance comparison purposes Showers interrupted static judging being done outdoors also early flights beginning flying could have used services Dave Brown Ron Hesselbrock flight-line bosses accelerate action fellows Nats Later week situation improved moving No 1 ready box point runway behind flight judges speeded action considerably future 60 70 entries can expected two sets judges will required some flight scores may suffer because unequal exposure threeflight schedule could easily have happened Oslo because entries expected arrived some dropouts among USSR RC teama major disappoint ment everyone evident Soviet team will appear until winning potential Considering small number aero club members available organization well-run meet two hotels nearest within walking distance airport about mile used headquarters setting im pressive Surrounding hills forested have hundreds pretty homesites slopes hotel located slight knoll spectacular views windows Everyone evening meal together large room Smaller side rooms popular spots social gatherings evenings Nor wegian Aircraft Museum specially opened evening almost everyone chance see collection 21 hours daylight July Oslo latitude evening activity wasnt limited Saturday night banquet party continued until 4 am well after daybreak Several nations made first-ever appear ances Scale WCamong Japanese mistaken impression would come champion ships until ready sweep top places definitely case really came learn enjoy themselves truly delight ful group above average models flying skills yet world-beating con tenders first-flight jitters same everyone settled down afterward show cham pionship material first flights exciting Okamotos Nieuport 11 takeoff almost wiping out judges scramble 86 Model Aviation maui compiax moasi UT maui mis r- ouiii DY Philip Avonds jet fighter pilot Belgium Twin KAB 75 engines spin Turbax rotors mounted fiberglass shrouds model made obechi plywood has foam wings its 1/9scale spans 57 Right BE-2c Jurgen Steinberger Germany hasa dummy engine turned milled aluminum hammered aluminum cowl Covering silk wingspan 1680 Left Vs-scale stinson Al rimotor oy ieva auger nag ma nignaststammcsuora ut Lou 00 5llUUU center 05 25 span go weight 1813 lb Homemade retracts use Rom-Air SM-79 Sparviero trimotor bomber Carlo Bergamaschi italy isi /9-scala weighs 13 lb uses mr. Left Skip Masts Lockheed NC-i 30B judging table Skip used modified Goldberg retracts main gear Rom gear nose foam 1/16-in lightweight balsa cover finish acrylic enamel over lightest-weight sllkspan Its 1/-scaie weighs 13 lb span 975 Right Australian Lloyd Dippel prepares start OS 120 GemIni twin 84-in-span Bowers Fly Baby Left Bengt Kailetrom Sweden built Klemm 35 1/5-scale Weight 10 lb 08 1 uu-wiuuiw PU U LU III UIU enamel over Polytex Right Wim Reynders Belgium modeled North American F-82B Twin tang Wingspan 177 irs sand two 08 40 FSRs provide power Wim produced own approved three-view drawing Balsa construgimon epoxy fiberglass finish quickly Nieuport repaired came back very presentable flights subsequent rounds surprisingly resilient aircraft Fortunately its Gemini engine escaped damage cartwheel landing other two airplanes Zero course T Furuta Republic P-47D25 S Takahara Japanese made inquiries about staging future World Championships country possibly 1990 Control Line Scale Soviet team expected unbeatable Valery Kramarenkos Antonov lost crash place Alex Pavlenko LI-2T copy Doug las DC-3 finished third First place again won Antonov AN-28 turboprop airliner Vladimir Fedosov high static score gave slight edge over Bulatnikovs biplane Air-i Soviet models showed highest type craftsmanship professional touch As past seemed two contests CL decide Russians would first second third another other placings US Jeff Perez Boeing B-17G overcame low static score excellent flights become leader Observers proclaimed flying best has ever done Ron Sears Stearman PT-17 enjoyed higher static score although 700 points less Paris able make reasonably good flight heavy mod el Julie Abels clipped wing Cub needed high flight scores augment low static Only few lost maneuvers prevented placing higher peculi arities CL scoring zero given models lines reach 450 prescribed number laps wondered about measurement angle Both Ron Julie victims zero maneuver Julies banner tow provided some scores 10 later flights higher judges de cided give scores both banner tow banner drop As female contestant Julies popularity resulted front-page newspaper photo Continued page 88 November 1986 87 MrJuvu uiur uarmgu oupwiln onips nsa gummy rotary engine revolves single bail bearing noseweight driven exhaust models Laser 90 four-stroke engine Nylon covering finished dope Humbroi paint Right Grum man Wildcat Switzerland Peter Muller has complex retracting gear Scale 1/65 engine 08 90 four-stroke Left /4-scale 13-lb PlUs S-2A Poul Munsberg Denmark powered 0 four-stroke engine silk-covered Simprop paint Right Mitsubishi A6M5 Zero Japan T Furuta used 08 SF 90 engIne external tank dropped flight Left colorful 1/6-scale Boeing PT-i 7 Soren Frederickason Sweden finished boat paint over Polytex engine Enya 120 four-stroke span 1s64 weighs 1 2/a lb Right VldarTolfsen Norway used Enya 90 four-stroke deHavilland Tiger Moth Mick Reeves England has now flown Scale World Championships prefers RC unable become team member returned earlier talent CL Zim 526 Akrobat model stored its travel box since last used 1974 returned service 12 years later first flight Mick discovered black rubber pickup tube inside fuel tank dis integrated model badly damaged flying inverted its second flight As expected four nations con testants CL event appeared destined reduced WC international contest make fully acceptable championship Norway became fifth nation entering semiscale Mustang Petter Harsem has done before Control Line World Championships unless something done preserve event may never another RC Scale US team suffering low static scores finished 10th 14th 22nd places static scoring positions 6th Steve Saugers Stinson Trimotor 23rd Skip Masts C130 Hercules 34th Cliff Tacies Trimotor Savoia Marchetti affectionately known spaghetti bomber large deficits make up 2Oto 30% bonuses applied flight scores Steves Stinson its 25% bonus three engines retracts conventional tail-dragger landing gear hope well competition would have needed near-perfect flight Small errors accumulate some can very damaging example take off scored 1 10 judge perfect takeoff can give score 50 10 five judges weighting multiplication K factor degree difficulty 10 producing total score 500 25% bonus 500 escalates 625 swerve takeoff run can substantially reduce score certainly advisable make takeoff landing perfectly maneuvers win lose FM Scale contests judges decide swerve reduced score five unlikely total maneuver alone will have lessened 312 points Steve Saugers Stinson Trimotor con sidered glamour machines contest attracted generous attention US entry found overweight supersensitive digital readout scale Steve solved problem substituting lighter 450 mAh battery pack larger cells model own examination static scoring reinforced belief Stinson deserved better place However must pointed out Steves documentation could have better Though Steves flying improved round 25% bonus couldnt overcome small errors flight Continued page 92 88 Model Aviation Left Cliff Tacles Savola Marchetti SM-Si 1/11-scale 85-in wingspan three K&B 35 engines Weight Ia 13 lb Finish Sig butyrate dope over Super Coverite Silkapun Covent wings Above Jean Roumseau France brought new Moynet Jupiterto Oslo An earlier model destroyed Lemourget 1984 Engines 08 40 FSR Covering sheet aluminum Skip Mast completely new Lock heed HC-1 30 Hercules Oslo Its 30% bonus highest meet Skips low static score largely result absence surface detail Modeling very large airplane Y16-scale affects amount detail can applied Engine prob lems affected flight scores engine stopped model rotated takeoff first flight judges gave credit three-engine flight although rule states engines must running takeoff given credit four-engine flight becomes question whether propeller still turning instant wheels parted runway cules flies very well three engines Augmented its 30% bonus highest flight scores three US models Taxi points lost K&B 35 engine needed restart before takeoff Two flights completed four engines running Cliff Tacies Savoia Marchetti Trimotor bomber given very low static score documentation consisted photos publication profile-type threeview drawing External details difficult reproduce apply large airplane reduced Yii-scale Cliff also engine problems first attempt model nosed over suddenly just ready lift runway flight engines throttled end taxi maneuver engine stopped restarted taxi points lost US team used radio equip ment furnished Airtronics same frequency could interchange transmitters necessary models equipped Airtronics smallest lightest servos important item mod els built up maximum weight allowed Radio problems nonexistent contestants throughout meet Seventeen biplanes entered championships first place -scale Bristol D Scout Max Merckenschlager West Germany flown muffled OS 120 four-stroke large-diameter propeller extreme quietness flights made low throttle settings further reduced ex haust noise Max already accumulated enough points very first flight win event flying technique very steady no unnecessary changes Left S Takahara Japan used 05 61 Republic P-47-D25 Thunderbolt Complexcontrais forthe sliding canopyand bomb drop Right 1 /6-scaie Fokker instructor S-i 1-1 William Noordegraaf Netheriandsscratch-bulit varnish over silk paint 92 Model Aviation US team L-R Julie Abel Piper J-3 Jeff Perez Boeing B-i 7G Ron Sears Stearman PT-i 7 MlkeGretzasst team manager Dolly Wischerteam manager SteveSaugerStin son Tn motor Skip Mast Lockheed Hercules Cliff Tacie Savola Marchetti SMSI Left Peter Miii Canada deHavilland Chipmunk built Bob Holman plans Peter made own fiberglass fuselage foam wings its 1 /6-scale spans 68 weighs ge lb uses Supertigre 61 finish KAB epoxy overCoverite Above 1/4 scale Bucker Jungmeister Jarno Helasuc Finland finished Coverite enamel engine Enya 120 four-stroke altitude direction absolutely no errors Remarkably accomplished using biplane undercambered airfoil airplanes dyed silk cov ering clear dope finish gave ap pearance light weight fact built up 6kg weight limit realistic dummy engine crankcase formed epoxy fiberglass silicone molds other pilots counting better weather improved flying conditions later rounds hope steadier hand controls Max contest won first day flying second place deHavilland 88 Comet Hansruedi Zeller Switzer land first seen La Bourget 1984 made some improvements notably throttle trim system possible steer taxiing changing individual settings two 0S 40 fourstroke engines also capability synchronize engine rpm air system model very steady during flight being racer could flown quite fast losing realism points Hansruedis dive straight flight below six meters altitude always thrill watch addition being excellent pilot also master showman Also Switzerland third place Let Vladimir Boulatnikov USSR 2nd CL Scale Air 1 Webra 61 dummy Blackburn Cirrus engine working valve rockers belt-driven An animated dummy pilot salutes turns Its head Right Four years effort team professionals produced LI-2T Douglas DC-3 look-alike flown 3rd place Alexandr Pavienko USSR Engines handmade specials Left Marlan lazirod Poland second-highest flight scores CL very low static score Model isa Zlin SOL Harlan uses Webra 61 engine haul model around Right Hick Reeves England resurrected venerable Ziin Akrobat built 1969 entered three Control Line World Championships 1970 1972 1974 flown since met Its fate crash inverted November 1986 93 Firs piace ionrroi Line G8I6 weawun again u ,ilr Fedesovof USSR Antonov AN-28 turboprop airliner pair speckany-made 60 engines bevel gear drives fitted narrow nacelles Reversible-pitch props used taxiing Len wecironlcrnrouie tiaps drop tank homemade retracts 15-lb model covered 005 aluminum iitho plate Hastwo lruru viuginwa hIs Boeing B-i 70 75-in span 12 lb four 0S 25 engInes three Worli Left AdsHavilland OH-OS Mosquito Loch Podgorskl Poland used two Webra 40 engines hasfiown Worid Champs Right Ron Sears PT-i 7 Stearman Kaydet 181 /6-scais 641/2-in span Supertlgre 60 FInish Randoiph dope enamei over Coverite Bucker Jungmeister Konrad Qetiker highest static score Mistakes bad landing damaged landing gear kept scores low first two flights Konrad returned finish excellent third round also gave Swiss team first place Biplanes proving real contenders Five first nine places biplanes Chris Foss England 82-inspan -scale Dalotel proved aero batic monoplane could contend biplanes also made clear twostroke 60 engine well muffled could match four-strokes quietness OS 60 FSR carried large model dif ficulty respect Dalotel different weighed 43kg 95 lb Chris model well under maximum weight chosen different route success Two years ago David Masterton Australia come Paris victory trimotor deHavilland Drover very high flight scores Oslo static score slipped down ward different set judges Dave arrived early done Paris foam-and-balsa practice trimotor airplane cut seven pieces transportation good practice field wasnt available Dave made couple flights before competition began meticulous professional pilot has team manager read off 10-item checklist before flight engines 05 40 four-strokes center engine having reverse rotation provide straight-line 500-point takeoff necessary win ning effort course also means needs reversing switch starter motor center engine well lefthand prop model completely cov ered aluminum alloy sheet 003 5 thick specially rolled hardness pre vent handling damage contact adhesive used fasten aluminum 2-in balsa substratum rivet detail embossed aluminum rear Washout seven degrees Drovers tapered wings provides stability slow speeds Daves slow steady flights attest its value First ducted-fan model complete flight Scale World Championships McDonnell-Douglas F-15C Eagle Philip Avonds Belgium twin K&B 75 engines used tuned pipes because model already 6kg weight limit first flight Oslo also models first everyones surprise performed perfectly until engine quit landing heavy its carbon-fiber landing gears damaged Philip made hasty repairs carbon fiber model designed scratch-built Avonds using obechi plywood balsa foam wings wings complex airfoil faithfully reproduced semi-symmetrical section root sharp washout twist thin undercambered tips Rotors Tar bax shrouds stators made layer 5-oz fiberglass cloth models exterior finished glass cloth epoxy paint furnished factory its second flight vibration engine caused rotor shifting off center third flight same problem fractured crankshaft complete Continued page 176 94 Model Aviation Lert JUlIO RDI5 oanner tow clipped wing Piper Cub earned high flight scores model orIginated Sig kit its engine 08 40 FSR span 57 its finished Covent dope Above Henryk Stecyk Poiand used US prototype OV-1 OA Bronco CL Scale Two Webra Speed 61. J ur ngIanu umug pair U5 .n engines tor nis uougias L-4A UaKOta nag uAgwileht flights unfortunateiy iow static score cancelied out effort time chase retrieve everyone get three flights Several latecomers caught unawares missed 700-to-800 am round out Another several launch line 750 furiously winding shouting timers no avail Motors popping shreds flying whistle went off schedule close round part flying low key very high quality hordes camera bugs launch along lots ofjolly good advice thermal picking let go going round cheers successful groans various inevitable smushes Conditions field could have better tem perature 90s rather usual 110 very low humidity slight drift early generally benign thermalsalthough eight models dis appeared overhead during memorable boomer Genial Jim Adams maxed-out Gor don S Light replica win first place closely followed Bob Langdons latter day Light played game winners since contest unique its ingredients its vintage quality its spirit being US team flying Wakefield against inter national entry truly great site thrill enough word unforget table As bottom line 50th reenactment 1937 Wakefield Cup contest will held Old Warden England already shuffling paper bank preparation Scale WC/Wischers Continued page 94 flights models sixth-place finish could have much improvedhelped high static score 20% bonus Three biplanes finished 7th 8th 9th placesa BE-2c Jurgen Steinberger W Germany DH-82 Tiger Moth Kjell-Ake Elofsson Sweden Sorrel Guppy ultralight Carlo Mapelli Italy Guppy model reversion past model simple airplane well done detail reproduced minia ture could contender first place BOX 429SKYLAND N C28776 THE DIFFERENT FOAM MODEL Lowest Cost Modeling 3 3 Send Si 00 latest fine-grain sheet foam 3 developments foam samples FREE foam 3 sources Hard Shell finishes now Ilable Dozens easy build foam air plane plans Peanuts RIC FOAM SCALE MODELS Box 662MA St Croix Falls WI 54024 III 0CS Antique Military Civiliart Helicopier8 Sailpianes color FOTOPAAKSKOKU-FAN 3-vIews 40OCO pictures stock2000 drawinqa siock Vacation I Handy Disney World l0oR LD Kennedy Space Center rest Florida 3 Bedrooms sleeps 8 Kitchen A/C Pool Ttnnis lots R/C flying Nov-May $500 ink / June-Oct 1400 ink / isightly & monthly rates also available 007 528-4e43 176Model Aviation PRESENTING FL INGER THE ULTIMATE SMALL SAILPLANE HANDLAUNCH HI-STARTorSLOPE WINGSPAN 57 WEIGHT l2oz MACHINECUT PARTS DEALERS&DIST INQUIRIES INVITEDFLINGER LJMP 110 $2995 ELECTRA L ITE-iCARUS-PANTERA METEOR-ELECTRICUS-WHISTLER PR ELUDE-COMET LARRY JOLLY MODEL PRODUCTS 5501 W COMO SANTA ANA CALIFORNIA 92703 714 826 6861 PUZZLED CALL MATT No time build Mutt itlil hove time. know 1 Complete Call 9am -8 pm lEST 2 Semi-Assembled609-395-1672 Irsady cover sandedi Malts Model BuildingPG Box U 1 Stockton Drive Crmnbnrv NJ 93512 Rate cards available reel SASE 14-1/8o9-1/21 also build Cars louts FLYING NEAR AIRPORTS BE CAREFUL PROTECT YOUR RIGHT TO FLY Safe Flying No Accident LAThES INS MACHINe IN SlOP tUPPLIES the Aviation Medal //OMACHINERY AN5JLS $1308-5838I vOle,, ,vOrf,r,doo adqvI QUALITY FREE FLIGHT KITS AND SUPPLIES FOR COMPETITION AND SPORT SINCE 1975 Dealer inquiriesCatalog SOt invited .BLUE RIDGE MODELS rMoRE POWER WITH LESS NOISE four-cycle measuring up expectations read Make engine before Make 60 120 four-stroke less means 1 Quieter glow 2 More mellow sounding four-cycle 3 More usable power both 4 Highest power-to-weight ratio 5 The lowest idle ever 6 Increase mileage up 4 times 7 Runs cooler glow 8 No glowplugs fail 9 Increased reliability 10 Fuel available concentrate Conversion kits available 049 30 cid Schnuerle ported engines Its sim ple just change heads fuel What waiting Dust off two-cycle DIESELIZE Send self-addressed stamped enve lope 60 information call 203-877-1670 between 730 pm 930 pm EST DAVIS DIESEL DEVELOPMENT PO Box 141 Milford CT 06460 leader quiet combustion technolo since 1976 Carlo predicted simple airplane could beat complex US multi-engined aircraft correctwith 10% bonus biplane tail-dragger static score among highest very difficult judges find fault ultra-simple model Carlo needed good flight Static judging done outdoors model being presented viewing contestants helpers model viewed sides including bottom done distance three meters nearest part model Since judges models moved small models received little less scrutiny Judging surface texture crafts manship scale detail done distance meter Balsa sticks 1 meter length carried judge assure came too close US judge George Buso acted chief judge RC static scoring also CL flights lack US judge RC flight line source some consternation US con testants especially after seeing low static scores well low first-flight scores some question favor itism being shown two judges would fIt4P little device sounds beep guide right plane Easily mounts smallest planes Use connector plug receiver same servo Also tells someone frequency solid state crystal oscillator Comes ready mount full structions included WT 1 oz DIM 1 x2 3/8 x IN USA CLUB DISCOUNTS AVAILABLE * ASK * SEND CHECK OR MONEY ORDER TO ELECTRONIC DESIGNS INC BOX Z 1925 GREENWOOD LK TPK HEWITT NEW JERSEY 07421 PHONE 201 728-1616 Plus $200 Shipping cont USA NJ Residents add 6% Sales Tax COD add $200 Allow 2 wks Shipping November 1986 177 9 ONLY onding advertisers mention read about Model Aviation rAlV V JD X ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX Academy Aviation R&D147 Ace Radio Control14 Aerodrome Models Ltd138 Aerospace Composite Products145 Airtronics2 Altech Marketing19 American Jr Aircraft Co166 Applied Design Corp135 Astro Flight10 Quay Barber Models166 Beer Can Bombers180 Bell Rock Industries146 Blue Ridge Machinery & Tools176 Blue Ridge Models176 Dave Brown Products34 Bru Line Industries140 Byron Originals147 Carolina Model & Hobby Expo172 Carolina-Taffinder166 Johnnie Casburn Mfg145 Circus Hobbies152-153 Cleveland Model Supply168 Eric Clutton22 Consumers Guide150 Coverite23 139 Cox Hobbies1 DGA Designs154 171 Davis Diesel Development176 Dodgson Designs168 Dougs Hobby Shop156-161 Du-Bro Products Inc162 Dynathrust Props163 Electronic Design Corp177 FAI Model Supply138 FHS Supply Inc4 Flyline Models166 Foam Scale Models176 Fourmost Products140 Fox Mfg146 Futaba Corp America21 GM Precision Products84 Gator RC Products134 Geometron Co145 Carl Goldberg Models83 Golden Era Plans167 Golden Gate East165 Gorham Model Products90-91168 Great Planes Model Mfg Co164 Harry B Higley & Sons175 Haviland Aircraft151 Helicopters Unlimited5 Historic Aviation17 Hobby Barn 137 Hobby Horn146 Hobby Lobby International175 Hobby Woods154 lkonNW146 Indy RC Sales Inc142-144 JTec174 Larry Jolly Model Products176 Jomar165 K&B Mfg165 K&S Engineering175 Kookaburra Technical Publications178 Kustom Kraftsmanship165 Lake Enterprises164 Leisure Electronics89 Lone Star Models18 MACS Products165 Matts Model Airplanes176 McDaniel RC Service14 Messers Quality Model Prod154 Micro Mark12-13 Micro Model Engineering135 Model Products Corp166 Model Rectifier CorpCovers 2 & 3 Sid Morgan Plans174 Morley USA170 Mutchlers Hobbies148-149 NEPRO168 Northeast Screen Graphics167 PK Products170 Pacer Technology177 Pelican Enterprises175 Penn Valley Hobby Center166 Pica Products9 Plasticote179 Polks Hobby6-7 Progress Mfg Co8 Pro-Tune Corp34 RC Buyers Guide171 RC Extras138 RC Vacation176 Radio South151 Repla-Tech International22 Robbe Modellsport155 Roush Mfg22 SR Batteries173 Sachs TG167 Sagan Industries164 Satellite City135 Scale Model Research176 Sermos RC Snap Connectors172 Shamrock Competition Imports173 Sheldons Hobby Shop20 Sig Mfg Co163 Bob Smith Industries150 170 Super Cyclone Engines138 Swanson Assoc150 RC Sweitzer Enterprises141 T&D Research Associates20 Tatone Products Co173 Top Flite Models Inc140 Tower Hobbies169 Tru-Turn22 VL Products18 Victor Engineering174 WE Technical Services8 Wandit Mfg168 Williams Brothers34 Wilshire Model Center163 Windsor Propeller Co151 Wing Mfg Co10 World Engines141 Cover 4 Yale Hobby Mfg Inc15 Zenith Aviation99 Nick Ziroli Models134 score 4 maneuver other three 9 Nationalism has seen before resulted banning individuals future judging individual score sheets flight will critically analyzed host nation determine whether such action needed future 20% maximum bonus will definitely affect choice model type bonus biplanes undercam bered airfoil has eliminated Some contestants multi-engined models formed opinion judges already discounting scores 178 Model Aviation Now available THE WORLDS VINTAGE SAILPLANES 1908-45 Martin Simons Hard bound 176 pages quality paper 248 beautiful black white photos plus 65 color plates nearly 100 finely detailed scale drawings magniti cent collection rare information classic old timers SPECIAL CONESS1ON OFFER FROM THE PUBLISHER ONLY avail able readers send us 2 International Reply Coupons Ask Post Office will airmail free color brochure price details tell order Write now KOOKABURRA TECHNICAL PUBLICATIONS Pty Ltd P0 Box 648 Dandenong 3175 Victoria Australia No 531Terrible Coupe$475 FF Rubber-power Coupe dHiver spans 48 No 532Baby Bird$400 CL Tiny Stunter uses 049 diesel/glow spans 34Ain No 533Cessna C-37$500 RC Scaler 30s plane 049110 power 2-ch spans 421Ain No 5341938 Challenger$550 RC Y2A Texaco Old-Timer spans 47Y2 O49engine 2-chRC No193Stiletto CL Stunt model McDonald winner 197819801982 PAl World Champs$375 No239Blue Birds AC Ken Willards formation plane 4-channel 10/15 power$ No262Crashmaster CL Crash-proof trainer two sizen15/30 35/40 power8125 No302Mini P-i 6 AC Sarpolos 049 ducted-fan sport flierfor 2-channel Balsa wings tail lose otmotere$275 No3101939 Fleet Biplone AC Sport Scale 35/404-channel Wingspan 56 Vs scale Two sheets$825 No314Oroke II AC Ken Willards flying hoat foe 3-channel 15-power fly land rornovable tear$375 No326Taylor Cab AC Don SmIls Schoolyaed-Scale 049s2-3 channel Spans SOin*350 No332Zephyr AC Small 2-channel gliderforhand-launchortow thermal orolope soaring$280 No396Laser206 AC Sport Scale replica championship Aerohatic ffier Uses 40 power 4-5 channel Two sheets$t075 Ne414Electric Spunky AC Electric-powered ton flierfor 05 motor 3-channel AC scaled-op t939 robber-pewerfanorite$050 Ne430Irooside AC Zippy little sportoterfor 10115 power 3-channel AC$400 Ne433Watts Up AC Electric-powered glider 2-3 channels 035 motorspano 52 in$450 No436Cruiser FF Emhryo Endurance robber-powerfon ship has hig-madel characterintics$200 No440Canalier AC Old-Timer-like now design fos hogewing foreasy flights 35 power 3-ch Two shts81725 No444Firehelt AC Pusher canard epurt/pattern uses 40 posher engino 4channel Has swept-forward foam wings$850 No4415/sA Miss America AC Old-limer ISA Texaco model 040 glow 2-channels$050 No452Gee BeeZ ACtluartnr-scalespanslltu in. uses 90 power Foursheets81800 No454Sweet P-36 FF Neat stick-and-tissoe Outdoor Auhher P-30class model isa confers-winner$200 No451Spectra AC Electric-power forOSsize motor unno 3 differeotwings sport soaring aerobatics$700 No4604-40ACShoulder-wjognporsflierfor4-cycle 40-size engine4 channels8850 No465Blue Mao II AC Fun-fly sporteterfor 40-nize engines spans 52 lightweight stmctore$700 No480Smoother CL Stunter 20/35 power Design hasad hyhrid Smoothie/Nobler8675 No476Strokec AC Mid-wing sportoter ones 40/45 four-stroke engine spans 50 tail-dragger8850 Na476Buttercup AC Cute elfin sportoter uses micro 2-ch AC pulse-rudder Spans 27 020/035 power8300 No487Cap 21 AC Scale Aerobatic planefor 40-size engine spans 62 Two thents$1000 Na488MB-i FF Jumbo Aubber Scale 1920-era Thomas Moron hiplane spans 37 in$500 No406Waukeoder AC Low-wing sport flier 20-true 4-stroke engine spans 47 in$575 Na4094-60 AC Doc Mathews great sportflier 60-size four-strokernegien opens 70 Two sheets$1275 Na506Fakker DVIII AC Sport Scale model WW monoplane unee 90 four-stroke engine spans 03 Two aheets81600 No501Eledecker CL Spoot scale model early 1APr11 monoplane power spans 23r/e in$200 No602Bill Wioters Vaakand FF Sport flier down-sized 02-powered version oft 840s cabin plane Spans 33 in$225 Ne563Buzzhot AC Slope-soarerspans 60 uoen2ACchannels$750 No504Turha lance II PP Aubber-powered scale model spans 19 in$150 Na505P-3B Ligletaing CLSport Scaleflghtertpans6s in. weiglo 10 lb uses twin 35s Two sheets$1175 No506Playmote AC Sport flier 3 AC channels 15/25-size engines spans 50 in8650 No607Hammmubird FF fist clans A/B competition plane won asthe 05 Nato8750 No5089-256 CL Pnefile scale WW II bomberfor twin engines spans 30 in8400 No509Roscue 18 PP fiend-Launched Glider features cumed 10-er wing OT8150 Ne510Stumper PP fiand-Launched Glider has angular 18-in wing OT$150 No611F-16CLfiprnfilescalefighterspans hastricyclelandioggear8200 No612Estra 230 AC Giant Scale acrobatic plane spans Oft uses quadra engine Two plan sheets$1650 Ne513Black Beauty AC Stop-soaring racer has foam wino 3-rh AC spane 114 in8750 No614Heary T AC Sportoterfer 2-3 channel AC spans 52 in. has adjustable wing flaps$475 No515Weotluad Whirlwind AC Sport Scale Whirl twin-engined fighterfor 10-size engines spans 55 Two plan sheets81150 Ne516Euney CL Stonterfor 40/46 power spans 58 in$675 Na517Faka Ford AC Spooster forthree engines 3-ch AC Spans 50 Two plan sheets$575 No518Preject P-i 3 PP Scale German 514W II flying wing pusher/tractorforrubber power spans 26 in$325 No519Gee Bee R-l CL Profile sport flier 25 engines spans 36 in$475 Na526Flijht Assistant Wheeled flight boo carries lets Two plan sheets$1150 No521Comet Jr Clipper Plus 35% AC Old-Timersportsterfor engine 2-cb AC spane 40 in$650 Na522Sarta Pitto AC Aeminder-scule bipe 40/60 engines straes 43 Two plan sheets$1050 Na523Dawowalker PP Superlight Onlimited/Mulvihill robber-powered cnmpetitien plane opens 42 m$400 Ne524Tesas Rat CLAnother mooed nersion Midwest Sport Aacerfor 40 esoines sparm 24 in$275 Na525Hi-Tech 2662 AC Canard dusted-fan 45 engines spans 38 Two sheets$1000 Na526Ki61 Itnia CL Mostly-cardboard sport-scale WW II Japanese fighter los 40 engine spans 60 Two plan sheets$1150 Na527Miss NJ AC World Champion PAl Pylon Aacer 40 engines spans 51 in8550 Na526Swallow AC lightweight hotdogger 40-size four-stroke engines spans 58 in8025 Na529PBY Catalina PP Skinny Scale two CO-2 motors Spans 32 All-sheet-balsa canstructiso8325 No527Tsunami CLProfile scale Aspans2l inches All-sheet-bane constwction8225 0 0 Al 0 cJ en0 -0 0 0 z0 en cr0 0 O t enCO en C nb rr 00 0 0 0 en0 0 en C en V 00 en 00 en 0 0 ME J 0 E0 m 05 CITY 00 N U Circle numbers plans wish order 193 .332 1 01 s 468 oE 50 z z 507 514 521 528 239 386 447 470 501 5a8 515 522 529 262302 414430 452454 478487 502503 509510 516517 523524 530531 S i 8 S i S i STREET 8 - STATE 310 433 457 488 504 511 518 525 532 314 438 460 490 505 512 519 526 533 Plan price includes first class postage US delivery Air Mail over 300 miles I Far orders outside US pleaso add $250 Air Mail 8125 surface mail 326 440 465 499 506 513 520 527 534 Make chock money order payable US foods Model Aviation AMA 1810 Samofil Morse Reston VA 22090 Please allow 3 6 weeks delivery Please print carefullyEnclosed $__________________________________ ZIP future 20% maximum However very few multi-engined airplanes flights error-free realism flight scores suffered badly unsteadiness roll altitude changes RC flight line enjoyed large crowds appreciative spectators applause well-done maneuver common Both Savoia Marchetti bombers dropped bombs Skip Masts parachuted cargo drop Hercules always brought enthusiastic response crowd Control spectators very good clear view thanks Narve Jensen Norwegian Aero Club well-run cham pionships thanks Hazel Sig-Hester generously supplying team shirts jackets Special thanks Mid Hudson RC Society financial support team fund Chal lenger/Kostecky Continued page 98 SAM contest Grand Island NY decided fly Challenger just fun day contest absolutely gorgeous brilliant blue sky green thermals everywhere could get up 400 ft work hard max out launched Chal lenger sporadic engine runs give 049s bad name After 5 minutes never 200 ft off ground plane plopped down pouted behind clump weeds second flight slightly richer setting saw old Challenger spiraling down several times just keep sight finally recording over 15 minutesa tad overkill 10minute max Boy pain neck rest day dollar time sniveled could have won could retire So much funnext year serious Balanced shown model flies great suspect center gravity CG could moved back some havent bothered plane super quiet evenings schoolyard all-out competitor can surpass its class SAM meet i sin S 0 S unvnCnen cLinees reac cenicnl iLLUsTrATeS race se SIX PACe PICK ECu SOUTneusren ru ARAnPeA~ i1I BuC-e Mirror 180 Model Aviation
Edition: Model Aviation - 1986/11
Page Numbers: 85, 86, 87, 88, 92, 93, 94, 176, 177, 178, 180
Scale World Championships An amazing variety Bob Dolly Wischer aircraft proto types represented Radio Control Control Line models Unlike some formeryears least RC winners circle dominated aircraft type NORWAY WAS THE HOST nation Ninth Scale World Championships action took place Kjeller Airport military field 20 miles northeast Oslo 17 nations competed47 airplanes Radio Control 13 Control Line large entry RC imposed quite burden contest management serious consideration given limiting flights two rounds end competitors given three flights contest came conclusion within allotted time because weather permitted another rain shower extra day would have needed Norwegian Aero Club organizers World Championships made some wise early decisions helped com press action five days judging done using five RC ffight judges CL static scoring CL judges RC static permitted RC flights begin before models judged Static judging began lineup winner RC Scale Max Merckenschlager Germany 1/4-scaie Bristol Scout aivina soan 73 Weight 113 lb engine lean 08 120 four-stroke Finish over lightly-dyed silk homemade dummy engine cast epoxy glass RC Scale 2nd place Wa WOfl Dy nunurusa eiiur OT wirzeriana wurn UI1-50 Lomet 1 /6-scale two 08 40 four-stroke engines Weight 1a12 lb finish ii auto lacquer Loft Dalotel Chris Foss England 1/4-scaie spans 82 weighs 94 lb finish Black Baron paint varnish overcoat RIght Australian team manager reads checklist before starting engines David Mastertons deHaviliand Drover Three Enys 40 four-stroke engInes center turning backwards power model finish paint over 0035 aluminum Left OflO Otifle iignxesi mooes EjUIIPPU CIUT55UflU UFIO MOm am wu lola gu unnu finish enamel over Solartex Right Carlo Mapelil italy haa modeled Mmarlcan umirulight homebulil ppy simple model could well World Championships competition against multi-engine airplanes engina nya 1 u Tour-airuKu models permit overview distance comparison purposes Showers interrupted static judging being done outdoors also early flights beginning flying could have used services Dave Brown Ron Hesselbrock flight-line bosses accelerate action fellows Nats Later week situation improved moving No 1 ready box point runway behind flight judges speeded action considerably future 60 70 entries can expected two sets judges will required some flight scores may suffer because unequal exposure threeflight schedule could easily have happened Oslo because entries expected arrived some dropouts among USSR RC teama major disappoint ment everyone evident Soviet team will appear until winning potential Considering small number aero club members available organization well-run meet two hotels nearest within walking distance airport about mile used headquarters setting im pressive Surrounding hills forested have hundreds pretty homesites slopes hotel located slight knoll spectacular views windows Everyone evening meal together large room Smaller side rooms popular spots social gatherings evenings Nor wegian Aircraft Museum specially opened evening almost everyone chance see collection 21 hours daylight July Oslo latitude evening activity wasnt limited Saturday night banquet party continued until 4 am well after daybreak Several nations made first-ever appear ances Scale WCamong Japanese mistaken impression would come champion ships until ready sweep top places definitely case really came learn enjoy themselves truly delight ful group above average models flying skills yet world-beating con tenders first-flight jitters same everyone settled down afterward show cham pionship material first flights exciting Okamotos Nieuport 11 takeoff almost wiping out judges scramble 86 Model Aviation maui compiax moasi UT maui mis r- ouiii DY Philip Avonds jet fighter pilot Belgium Twin KAB 75 engines spin Turbax rotors mounted fiberglass shrouds model made obechi plywood has foam wings its 1/9scale spans 57 Right BE-2c Jurgen Steinberger Germany hasa dummy engine turned milled aluminum hammered aluminum cowl Covering silk wingspan 1680 Left Vs-scale stinson Al rimotor oy ieva auger nag ma nignaststammcsuora ut Lou 00 5llUUU center 05 25 span go weight 1813 lb Homemade retracts use Rom-Air SM-79 Sparviero trimotor bomber Carlo Bergamaschi italy isi /9-scala weighs 13 lb uses mr. Left Skip Masts Lockheed NC-i 30B judging table Skip used modified Goldberg retracts main gear Rom gear nose foam 1/16-in lightweight balsa cover finish acrylic enamel over lightest-weight sllkspan Its 1/-scaie weighs 13 lb span 975 Right Australian Lloyd Dippel prepares start OS 120 GemIni twin 84-in-span Bowers Fly Baby Left Bengt Kailetrom Sweden built Klemm 35 1/5-scale Weight 10 lb 08 1 uu-wiuuiw PU U LU III UIU enamel over Polytex Right Wim Reynders Belgium modeled North American F-82B Twin tang Wingspan 177 irs sand two 08 40 FSRs provide power Wim produced own approved three-view drawing Balsa construgimon epoxy fiberglass finish quickly Nieuport repaired came back very presentable flights subsequent rounds surprisingly resilient aircraft Fortunately its Gemini engine escaped damage cartwheel landing other two airplanes Zero course T Furuta Republic P-47D25 S Takahara Japanese made inquiries about staging future World Championships country possibly 1990 Control Line Scale Soviet team expected unbeatable Valery Kramarenkos Antonov lost crash place Alex Pavlenko LI-2T copy Doug las DC-3 finished third First place again won Antonov AN-28 turboprop airliner Vladimir Fedosov high static score gave slight edge over Bulatnikovs biplane Air-i Soviet models showed highest type craftsmanship professional touch As past seemed two contests CL decide Russians would first second third another other placings US Jeff Perez Boeing B-17G overcame low static score excellent flights become leader Observers proclaimed flying best has ever done Ron Sears Stearman PT-17 enjoyed higher static score although 700 points less Paris able make reasonably good flight heavy mod el Julie Abels clipped wing Cub needed high flight scores augment low static Only few lost maneuvers prevented placing higher peculi arities CL scoring zero given models lines reach 450 prescribed number laps wondered about measurement angle Both Ron Julie victims zero maneuver Julies banner tow provided some scores 10 later flights higher judges de cided give scores both banner tow banner drop As female contestant Julies popularity resulted front-page newspaper photo Continued page 88 November 1986 87 MrJuvu uiur uarmgu oupwiln onips nsa gummy rotary engine revolves single bail bearing noseweight driven exhaust models Laser 90 four-stroke engine Nylon covering finished dope Humbroi paint Right Grum man Wildcat Switzerland Peter Muller has complex retracting gear Scale 1/65 engine 08 90 four-stroke Left /4-scale 13-lb PlUs S-2A Poul Munsberg Denmark powered 0 four-stroke engine silk-covered Simprop paint Right Mitsubishi A6M5 Zero Japan T Furuta used 08 SF 90 engIne external tank dropped flight Left colorful 1/6-scale Boeing PT-i 7 Soren Frederickason Sweden finished boat paint over Polytex engine Enya 120 four-stroke span 1s64 weighs 1 2/a lb Right VldarTolfsen Norway used Enya 90 four-stroke deHavilland Tiger Moth Mick Reeves England has now flown Scale World Championships prefers RC unable become team member returned earlier talent CL Zim 526 Akrobat model stored its travel box since last used 1974 returned service 12 years later first flight Mick discovered black rubber pickup tube inside fuel tank dis integrated model badly damaged flying inverted its second flight As expected four nations con testants CL event appeared destined reduced WC international contest make fully acceptable championship Norway became fifth nation entering semiscale Mustang Petter Harsem has done before Control Line World Championships unless something done preserve event may never another RC Scale US team suffering low static scores finished 10th 14th 22nd places static scoring positions 6th Steve Saugers Stinson Trimotor 23rd Skip Masts C130 Hercules 34th Cliff Tacies Trimotor Savoia Marchetti affectionately known spaghetti bomber large deficits make up 2Oto 30% bonuses applied flight scores Steves Stinson its 25% bonus three engines retracts conventional tail-dragger landing gear hope well competition would have needed near-perfect flight Small errors accumulate some can very damaging example take off scored 1 10 judge perfect takeoff can give score 50 10 five judges weighting multiplication K factor degree difficulty 10 producing total score 500 25% bonus 500 escalates 625 swerve takeoff run can substantially reduce score certainly advisable make takeoff landing perfectly maneuvers win lose FM Scale contests judges decide swerve reduced score five unlikely total maneuver alone will have lessened 312 points Steve Saugers Stinson Trimotor con sidered glamour machines contest attracted generous attention US entry found overweight supersensitive digital readout scale Steve solved problem substituting lighter 450 mAh battery pack larger cells model own examination static scoring reinforced belief Stinson deserved better place However must pointed out Steves documentation could have better Though Steves flying improved round 25% bonus couldnt overcome small errors flight Continued page 92 88 Model Aviation Left Cliff Tacles Savola Marchetti SM-Si 1/11-scale 85-in wingspan three K&B 35 engines Weight Ia 13 lb Finish Sig butyrate dope over Super Coverite Silkapun Covent wings Above Jean Roumseau France brought new Moynet Jupiterto Oslo An earlier model destroyed Lemourget 1984 Engines 08 40 FSR Covering sheet aluminum Skip Mast completely new Lock heed HC-1 30 Hercules Oslo Its 30% bonus highest meet Skips low static score largely result absence surface detail Modeling very large airplane Y16-scale affects amount detail can applied Engine prob lems affected flight scores engine stopped model rotated takeoff first flight judges gave credit three-engine flight although rule states engines must running takeoff given credit four-engine flight becomes question whether propeller still turning instant wheels parted runway cules flies very well three engines Augmented its 30% bonus highest flight scores three US models Taxi points lost K&B 35 engine needed restart before takeoff Two flights completed four engines running Cliff Tacies Savoia Marchetti Trimotor bomber given very low static score documentation consisted photos publication profile-type threeview drawing External details difficult reproduce apply large airplane reduced Yii-scale Cliff also engine problems first attempt model nosed over suddenly just ready lift runway flight engines throttled end taxi maneuver engine stopped restarted taxi points lost US team used radio equip ment furnished Airtronics same frequency could interchange transmitters necessary models equipped Airtronics smallest lightest servos important item mod els built up maximum weight allowed Radio problems nonexistent contestants throughout meet Seventeen biplanes entered championships first place -scale Bristol D Scout Max Merckenschlager West Germany flown muffled OS 120 four-stroke large-diameter propeller extreme quietness flights made low throttle settings further reduced ex haust noise Max already accumulated enough points very first flight win event flying technique very steady no unnecessary changes Left S Takahara Japan used 05 61 Republic P-47-D25 Thunderbolt Complexcontrais forthe sliding canopyand bomb drop Right 1 /6-scaie Fokker instructor S-i 1-1 William Noordegraaf Netheriandsscratch-bulit varnish over silk paint 92 Model Aviation US team L-R Julie Abel Piper J-3 Jeff Perez Boeing B-i 7G Ron Sears Stearman PT-i 7 MlkeGretzasst team manager Dolly Wischerteam manager SteveSaugerStin son Tn motor Skip Mast Lockheed Hercules Cliff Tacie Savola Marchetti SMSI Left Peter Miii Canada deHavilland Chipmunk built Bob Holman plans Peter made own fiberglass fuselage foam wings its 1 /6-scale spans 68 weighs ge lb uses Supertigre 61 finish KAB epoxy overCoverite Above 1/4 scale Bucker Jungmeister Jarno Helasuc Finland finished Coverite enamel engine Enya 120 four-stroke altitude direction absolutely no errors Remarkably accomplished using biplane undercambered airfoil airplanes dyed silk cov ering clear dope finish gave ap pearance light weight fact built up 6kg weight limit realistic dummy engine crankcase formed epoxy fiberglass silicone molds other pilots counting better weather improved flying conditions later rounds hope steadier hand controls Max contest won first day flying second place deHavilland 88 Comet Hansruedi Zeller Switzer land first seen La Bourget 1984 made some improvements notably throttle trim system possible steer taxiing changing individual settings two 0S 40 fourstroke engines also capability synchronize engine rpm air system model very steady during flight being racer could flown quite fast losing realism points Hansruedis dive straight flight below six meters altitude always thrill watch addition being excellent pilot also master showman Also Switzerland third place Let Vladimir Boulatnikov USSR 2nd CL Scale Air 1 Webra 61 dummy Blackburn Cirrus engine working valve rockers belt-driven An animated dummy pilot salutes turns Its head Right Four years effort team professionals produced LI-2T Douglas DC-3 look-alike flown 3rd place Alexandr Pavienko USSR Engines handmade specials Left Marlan lazirod Poland second-highest flight scores CL very low static score Model isa Zlin SOL Harlan uses Webra 61 engine haul model around Right Hick Reeves England resurrected venerable Ziin Akrobat built 1969 entered three Control Line World Championships 1970 1972 1974 flown since met Its fate crash inverted November 1986 93 Firs piace ionrroi Line G8I6 weawun again u ,ilr Fedesovof USSR Antonov AN-28 turboprop airliner pair speckany-made 60 engines bevel gear drives fitted narrow nacelles Reversible-pitch props used taxiing Len wecironlcrnrouie tiaps drop tank homemade retracts 15-lb model covered 005 aluminum iitho plate Hastwo lruru viuginwa hIs Boeing B-i 70 75-in span 12 lb four 0S 25 engInes three Worli Left AdsHavilland OH-OS Mosquito Loch Podgorskl Poland used two Webra 40 engines hasfiown Worid Champs Right Ron Sears PT-i 7 Stearman Kaydet 181 /6-scais 641/2-in span Supertlgre 60 FInish Randoiph dope enamei over Coverite Bucker Jungmeister Konrad Qetiker highest static score Mistakes bad landing damaged landing gear kept scores low first two flights Konrad returned finish excellent third round also gave Swiss team first place Biplanes proving real contenders Five first nine places biplanes Chris Foss England 82-inspan -scale Dalotel proved aero batic monoplane could contend biplanes also made clear twostroke 60 engine well muffled could match four-strokes quietness OS 60 FSR carried large model dif ficulty respect Dalotel different weighed 43kg 95 lb Chris model well under maximum weight chosen different route success Two years ago David Masterton Australia come Paris victory trimotor deHavilland Drover very high flight scores Oslo static score slipped down ward different set judges Dave arrived early done Paris foam-and-balsa practice trimotor airplane cut seven pieces transportation good practice field wasnt available Dave made couple flights before competition began meticulous professional pilot has team manager read off 10-item checklist before flight engines 05 40 four-strokes center engine having reverse rotation provide straight-line 500-point takeoff necessary win ning effort course also means needs reversing switch starter motor center engine well lefthand prop model completely cov ered aluminum alloy sheet 003 5 thick specially rolled hardness pre vent handling damage contact adhesive used fasten aluminum 2-in balsa substratum rivet detail embossed aluminum rear Washout seven degrees Drovers tapered wings provides stability slow speeds Daves slow steady flights attest its value First ducted-fan model complete flight Scale World Championships McDonnell-Douglas F-15C Eagle Philip Avonds Belgium twin K&B 75 engines used tuned pipes because model already 6kg weight limit first flight Oslo also models first everyones surprise performed perfectly until engine quit landing heavy its carbon-fiber landing gears damaged Philip made hasty repairs carbon fiber model designed scratch-built Avonds using obechi plywood balsa foam wings wings complex airfoil faithfully reproduced semi-symmetrical section root sharp washout twist thin undercambered tips Rotors Tar bax shrouds stators made layer 5-oz fiberglass cloth models exterior finished glass cloth epoxy paint furnished factory its second flight vibration engine caused rotor shifting off center third flight same problem fractured crankshaft complete Continued page 176 94 Model Aviation Lert JUlIO RDI5 oanner tow clipped wing Piper Cub earned high flight scores model orIginated Sig kit its engine 08 40 FSR span 57 its finished Covent dope Above Henryk Stecyk Poiand used US prototype OV-1 OA Bronco CL Scale Two Webra Speed 61. J ur ngIanu umug pair U5 .n engines tor nis uougias L-4A UaKOta nag uAgwileht flights unfortunateiy iow static score cancelied out effort time chase retrieve everyone get three flights Several latecomers caught unawares missed 700-to-800 am round out Another several launch line 750 furiously winding shouting timers no avail Motors popping shreds flying whistle went off schedule close round part flying low key very high quality hordes camera bugs launch along lots ofjolly good advice thermal picking let go going round cheers successful groans various inevitable smushes Conditions field could have better tem perature 90s rather usual 110 very low humidity slight drift early generally benign thermalsalthough eight models dis appeared overhead during memorable boomer Genial Jim Adams maxed-out Gor don S Light replica win first place closely followed Bob Langdons latter day Light played game winners since contest unique its ingredients its vintage quality its spirit being US team flying Wakefield against inter national entry truly great site thrill enough word unforget table As bottom line 50th reenactment 1937 Wakefield Cup contest will held Old Warden England already shuffling paper bank preparation Scale WC/Wischers Continued page 94 flights models sixth-place finish could have much improvedhelped high static score 20% bonus Three biplanes finished 7th 8th 9th placesa BE-2c Jurgen Steinberger W Germany DH-82 Tiger Moth Kjell-Ake Elofsson Sweden Sorrel Guppy ultralight Carlo Mapelli Italy Guppy model reversion past model simple airplane well done detail reproduced minia ture could contender first place BOX 429SKYLAND N C28776 THE DIFFERENT FOAM MODEL Lowest Cost Modeling 3 3 Send Si 00 latest fine-grain sheet foam 3 developments foam samples FREE foam 3 sources Hard Shell finishes now Ilable Dozens easy build foam air plane plans Peanuts RIC FOAM SCALE MODELS Box 662MA St Croix Falls WI 54024 III 0CS Antique Military Civiliart Helicopier8 Sailpianes color FOTOPAAKSKOKU-FAN 3-vIews 40OCO pictures stock2000 drawinqa siock Vacation I Handy Disney World l0oR LD Kennedy Space Center rest Florida 3 Bedrooms sleeps 8 Kitchen A/C Pool Ttnnis lots R/C flying Nov-May $500 ink / June-Oct 1400 ink / isightly & monthly rates also available 007 528-4e43 176Model Aviation PRESENTING FL INGER THE ULTIMATE SMALL SAILPLANE HANDLAUNCH HI-STARTorSLOPE WINGSPAN 57 WEIGHT l2oz MACHINECUT PARTS DEALERS&DIST INQUIRIES INVITEDFLINGER LJMP 110 $2995 ELECTRA L ITE-iCARUS-PANTERA METEOR-ELECTRICUS-WHISTLER PR ELUDE-COMET LARRY JOLLY MODEL PRODUCTS 5501 W COMO SANTA ANA CALIFORNIA 92703 714 826 6861 PUZZLED CALL MATT No time build Mutt itlil hove time. know 1 Complete Call 9am -8 pm lEST 2 Semi-Assembled609-395-1672 Irsady cover sandedi Malts Model BuildingPG Box U 1 Stockton Drive Crmnbnrv NJ 93512 Rate cards available reel SASE 14-1/8o9-1/21 also build Cars louts FLYING NEAR AIRPORTS BE CAREFUL PROTECT YOUR RIGHT TO FLY Safe Flying No Accident LAThES INS MACHINe IN SlOP tUPPLIES the Aviation Medal //OMACHINERY AN5JLS $1308-5838I vOle,, ,vOrf,r,doo adqvI QUALITY FREE FLIGHT KITS AND SUPPLIES FOR COMPETITION AND SPORT SINCE 1975 Dealer inquiriesCatalog SOt invited .BLUE RIDGE MODELS rMoRE POWER WITH LESS NOISE four-cycle measuring up expectations read Make engine before Make 60 120 four-stroke less means 1 Quieter glow 2 More mellow sounding four-cycle 3 More usable power both 4 Highest power-to-weight ratio 5 The lowest idle ever 6 Increase mileage up 4 times 7 Runs cooler glow 8 No glowplugs fail 9 Increased reliability 10 Fuel available concentrate Conversion kits available 049 30 cid Schnuerle ported engines Its sim ple just change heads fuel What waiting Dust off two-cycle DIESELIZE Send self-addressed stamped enve lope 60 information call 203-877-1670 between 730 pm 930 pm EST DAVIS DIESEL DEVELOPMENT PO Box 141 Milford CT 06460 leader quiet combustion technolo since 1976 Carlo predicted simple airplane could beat complex US multi-engined aircraft correctwith 10% bonus biplane tail-dragger static score among highest very difficult judges find fault ultra-simple model Carlo needed good flight Static judging done outdoors model being presented viewing contestants helpers model viewed sides including bottom done distance three meters nearest part model Since judges models moved small models received little less scrutiny Judging surface texture crafts manship scale detail done distance meter Balsa sticks 1 meter length carried judge assure came too close US judge George Buso acted chief judge RC static scoring also CL flights lack US judge RC flight line source some consternation US con testants especially after seeing low static scores well low first-flight scores some question favor itism being shown two judges would fIt4P little device sounds beep guide right plane Easily mounts smallest planes Use connector plug receiver same servo Also tells someone frequency solid state crystal oscillator Comes ready mount full structions included WT 1 oz DIM 1 x2 3/8 x IN USA CLUB DISCOUNTS AVAILABLE * ASK * SEND CHECK OR MONEY ORDER TO ELECTRONIC DESIGNS INC BOX Z 1925 GREENWOOD LK TPK HEWITT NEW JERSEY 07421 PHONE 201 728-1616 Plus $200 Shipping cont USA NJ Residents add 6% Sales Tax COD add $200 Allow 2 wks Shipping November 1986 177 9 ONLY onding advertisers mention read about Model Aviation rAlV V JD X ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX Academy Aviation R&D147 Ace Radio Control14 Aerodrome Models Ltd138 Aerospace Composite Products145 Airtronics2 Altech Marketing19 American Jr Aircraft Co166 Applied Design Corp135 Astro Flight10 Quay Barber Models166 Beer Can Bombers180 Bell Rock Industries146 Blue Ridge Machinery & Tools176 Blue Ridge Models176 Dave Brown Products34 Bru Line Industries140 Byron Originals147 Carolina Model & Hobby Expo172 Carolina-Taffinder166 Johnnie Casburn Mfg145 Circus Hobbies152-153 Cleveland Model Supply168 Eric Clutton22 Consumers Guide150 Coverite23 139 Cox Hobbies1 DGA Designs154 171 Davis Diesel Development176 Dodgson Designs168 Dougs Hobby Shop156-161 Du-Bro Products Inc162 Dynathrust Props163 Electronic Design Corp177 FAI Model Supply138 FHS Supply Inc4 Flyline Models166 Foam Scale Models176 Fourmost Products140 Fox Mfg146 Futaba Corp America21 GM Precision Products84 Gator RC Products134 Geometron Co145 Carl Goldberg Models83 Golden Era Plans167 Golden Gate East165 Gorham Model Products90-91168 Great Planes Model Mfg Co164 Harry B Higley & Sons175 Haviland Aircraft151 Helicopters Unlimited5 Historic Aviation17 Hobby Barn 137 Hobby Horn146 Hobby Lobby International175 Hobby Woods154 lkonNW146 Indy RC Sales Inc142-144 JTec174 Larry Jolly Model Products176 Jomar165 K&B Mfg165 K&S Engineering175 Kookaburra Technical Publications178 Kustom Kraftsmanship165 Lake Enterprises164 Leisure Electronics89 Lone Star Models18 MACS Products165 Matts Model Airplanes176 McDaniel RC Service14 Messers Quality Model Prod154 Micro Mark12-13 Micro Model Engineering135 Model Products Corp166 Model Rectifier CorpCovers 2 & 3 Sid Morgan Plans174 Morley USA170 Mutchlers Hobbies148-149 NEPRO168 Northeast Screen Graphics167 PK Products170 Pacer Technology177 Pelican Enterprises175 Penn Valley Hobby Center166 Pica Products9 Plasticote179 Polks Hobby6-7 Progress Mfg Co8 Pro-Tune Corp34 RC Buyers Guide171 RC Extras138 RC Vacation176 Radio South151 Repla-Tech International22 Robbe Modellsport155 Roush Mfg22 SR Batteries173 Sachs TG167 Sagan Industries164 Satellite City135 Scale Model Research176 Sermos RC Snap Connectors172 Shamrock Competition Imports173 Sheldons Hobby Shop20 Sig Mfg Co163 Bob Smith Industries150 170 Super Cyclone Engines138 Swanson Assoc150 RC Sweitzer Enterprises141 T&D Research Associates20 Tatone Products Co173 Top Flite Models Inc140 Tower Hobbies169 Tru-Turn22 VL Products18 Victor Engineering174 WE Technical Services8 Wandit Mfg168 Williams Brothers34 Wilshire Model Center163 Windsor Propeller Co151 Wing Mfg Co10 World Engines141 Cover 4 Yale Hobby Mfg Inc15 Zenith Aviation99 Nick Ziroli Models134 score 4 maneuver other three 9 Nationalism has seen before resulted banning individuals future judging individual score sheets flight will critically analyzed host nation determine whether such action needed future 20% maximum bonus will definitely affect choice model type bonus biplanes undercam bered airfoil has eliminated Some contestants multi-engined models formed opinion judges already discounting scores 178 Model Aviation Now available THE WORLDS VINTAGE SAILPLANES 1908-45 Martin Simons Hard bound 176 pages quality paper 248 beautiful black white photos plus 65 color plates nearly 100 finely detailed scale drawings magniti cent collection rare information classic old timers SPECIAL CONESS1ON OFFER FROM THE PUBLISHER ONLY avail able readers send us 2 International Reply Coupons Ask Post Office will airmail free color brochure price details tell order Write now KOOKABURRA TECHNICAL PUBLICATIONS Pty Ltd P0 Box 648 Dandenong 3175 Victoria Australia No 531Terrible Coupe$475 FF Rubber-power Coupe dHiver spans 48 No 532Baby Bird$400 CL Tiny Stunter uses 049 diesel/glow spans 34Ain No 533Cessna C-37$500 RC Scaler 30s plane 049110 power 2-ch spans 421Ain No 5341938 Challenger$550 RC Y2A Texaco Old-Timer spans 47Y2 O49engine 2-chRC No193Stiletto CL Stunt model McDonald winner 197819801982 PAl World Champs$375 No239Blue Birds AC Ken Willards formation plane 4-channel 10/15 power$ No262Crashmaster CL Crash-proof trainer two sizen15/30 35/40 power8125 No302Mini P-i 6 AC Sarpolos 049 ducted-fan sport flierfor 2-channel Balsa wings tail lose otmotere$275 No3101939 Fleet Biplone AC Sport Scale 35/404-channel Wingspan 56 Vs scale Two sheets$825 No314Oroke II AC Ken Willards flying hoat foe 3-channel 15-power fly land rornovable tear$375 No326Taylor Cab AC Don SmIls Schoolyaed-Scale 049s2-3 channel Spans SOin*350 No332Zephyr AC Small 2-channel gliderforhand-launchortow thermal orolope soaring$280 No396Laser206 AC Sport Scale replica championship Aerohatic ffier Uses 40 power 4-5 channel Two sheets$t075 Ne414Electric Spunky AC Electric-powered ton flierfor 05 motor 3-channel AC scaled-op t939 robber-pewerfanorite$050 Ne430Irooside AC Zippy little sportoterfor 10115 power 3-channel AC$400 Ne433Watts Up AC Electric-powered glider 2-3 channels 035 motorspano 52 in$450 No436Cruiser FF Emhryo Endurance robber-powerfon ship has hig-madel characterintics$200 No440Canalier AC Old-Timer-like now design fos hogewing foreasy flights 35 power 3-ch Two shts81725 No444Firehelt AC Pusher canard epurt/pattern uses 40 posher engino 4channel Has swept-forward foam wings$850 No4415/sA Miss America AC Old-limer ISA Texaco model 040 glow 2-channels$050 No452Gee BeeZ ACtluartnr-scalespanslltu in. uses 90 power Foursheets81800 No454Sweet P-36 FF Neat stick-and-tissoe Outdoor Auhher P-30class model isa confers-winner$200 No451Spectra AC Electric-power forOSsize motor unno 3 differeotwings sport soaring aerobatics$700 No4604-40ACShoulder-wjognporsflierfor4-cycle 40-size engine4 channels8850 No465Blue Mao II AC Fun-fly sporteterfor 40-nize engines spans 52 lightweight stmctore$700 No480Smoother CL Stunter 20/35 power Design hasad hyhrid Smoothie/Nobler8675 No476Strokec AC Mid-wing sportoter ones 40/45 four-stroke engine spans 50 tail-dragger8850 Na476Buttercup AC Cute elfin sportoter uses micro 2-ch AC pulse-rudder Spans 27 020/035 power8300 No487Cap 21 AC Scale Aerobatic planefor 40-size engine spans 62 Two thents$1000 Na488MB-i FF Jumbo Aubber Scale 1920-era Thomas Moron hiplane spans 37 in$500 No406Waukeoder AC Low-wing sport flier 20-true 4-stroke engine spans 47 in$575 Na4094-60 AC Doc Mathews great sportflier 60-size four-strokernegien opens 70 Two sheets$1275 Na506Fakker DVIII AC Sport Scale model WW monoplane unee 90 four-stroke engine spans 03 Two aheets81600 No501Eledecker CL Spoot scale model early 1APr11 monoplane power spans 23r/e in$200 No602Bill Wioters Vaakand FF Sport flier down-sized 02-powered version oft 840s cabin plane Spans 33 in$225 Ne563Buzzhot AC Slope-soarerspans 60 uoen2ACchannels$750 No504Turha lance II PP Aubber-powered scale model spans 19 in$150 Na505P-3B Ligletaing CLSport Scaleflghtertpans6s in. weiglo 10 lb uses twin 35s Two sheets$1175 No506Playmote AC Sport flier 3 AC channels 15/25-size engines spans 50 in8650 No607Hammmubird FF fist clans A/B competition plane won asthe 05 Nato8750 No5089-256 CL Pnefile scale WW II bomberfor twin engines spans 30 in8400 No509Roscue 18 PP fiend-Launched Glider features cumed 10-er wing OT8150 Ne510Stumper PP fiand-Launched Glider has angular 18-in wing OT$150 No611F-16CLfiprnfilescalefighterspans hastricyclelandioggear8200 No612Estra 230 AC Giant Scale acrobatic plane spans Oft uses quadra engine Two plan sheets$1650 Ne513Black Beauty AC Stop-soaring racer has foam wino 3-rh AC spane 114 in8750 No614Heary T AC Sportoterfer 2-3 channel AC spans 52 in. has adjustable wing flaps$475 No515Weotluad Whirlwind AC Sport Scale Whirl twin-engined fighterfor 10-size engines spans 55 Two plan sheets81150 Ne516Euney CL Stonterfor 40/46 power spans 58 in$675 Na517Faka Ford AC Spooster forthree engines 3-ch AC Spans 50 Two plan sheets$575 No518Preject P-i 3 PP Scale German 514W II flying wing pusher/tractorforrubber power spans 26 in$325 No519Gee Bee R-l CL Profile sport flier 25 engines spans 36 in$475 Na526Flijht Assistant Wheeled flight boo carries lets Two plan sheets$1150 No521Comet Jr Clipper Plus 35% AC Old-Timersportsterfor engine 2-cb AC spane 40 in$650 Na522Sarta Pitto AC Aeminder-scule bipe 40/60 engines straes 43 Two plan sheets$1050 Na523Dawowalker PP Superlight Onlimited/Mulvihill robber-powered cnmpetitien plane opens 42 m$400 Ne524Tesas Rat CLAnother mooed nersion Midwest Sport Aacerfor 40 esoines sparm 24 in$275 Na525Hi-Tech 2662 AC Canard dusted-fan 45 engines spans 38 Two sheets$1000 Na526Ki61 Itnia CL Mostly-cardboard sport-scale WW II Japanese fighter los 40 engine spans 60 Two plan sheets$1150 Na527Miss NJ AC World Champion PAl Pylon Aacer 40 engines spans 51 in8550 Na526Swallow AC lightweight hotdogger 40-size four-stroke engines spans 58 in8025 Na529PBY Catalina PP Skinny Scale two CO-2 motors Spans 32 All-sheet-balsa canstructiso8325 No527Tsunami CLProfile scale Aspans2l inches All-sheet-bane constwction8225 0 0 Al 0 cJ en0 -0 0 0 z0 en cr0 0 O t enCO en C nb rr 00 0 0 0 en0 0 en C en V 00 en 00 en 0 0 ME J 0 E0 m 05 CITY 00 N U Circle numbers plans wish order 193 .332 1 01 s 468 oE 50 z z 507 514 521 528 239 386 447 470 501 5a8 515 522 529 262302 414430 452454 478487 502503 509510 516517 523524 530531 S i 8 S i S i STREET 8 - STATE 310 433 457 488 504 511 518 525 532 314 438 460 490 505 512 519 526 533 Plan price includes first class postage US delivery Air Mail over 300 miles I Far orders outside US pleaso add $250 Air Mail 8125 surface mail 326 440 465 499 506 513 520 527 534 Make chock money order payable US foods Model Aviation AMA 1810 Samofil Morse Reston VA 22090 Please allow 3 6 weeks delivery Please print carefullyEnclosed $__________________________________ ZIP future 20% maximum However very few multi-engined airplanes flights error-free realism flight scores suffered badly unsteadiness roll altitude changes RC flight line enjoyed large crowds appreciative spectators applause well-done maneuver common Both Savoia Marchetti bombers dropped bombs Skip Masts parachuted cargo drop Hercules always brought enthusiastic response crowd Control spectators very good clear view thanks Narve Jensen Norwegian Aero Club well-run cham pionships thanks Hazel Sig-Hester generously supplying team shirts jackets Special thanks Mid Hudson RC Society financial support team fund Chal lenger/Kostecky Continued page 98 SAM contest Grand Island NY decided fly Challenger just fun day contest absolutely gorgeous brilliant blue sky green thermals everywhere could get up 400 ft work hard max out launched Chal lenger sporadic engine runs give 049s bad name After 5 minutes never 200 ft off ground plane plopped down pouted behind clump weeds second flight slightly richer setting saw old Challenger spiraling down several times just keep sight finally recording over 15 minutesa tad overkill 10minute max Boy pain neck rest day dollar time sniveled could have won could retire So much funnext year serious Balanced shown model flies great suspect center gravity CG could moved back some havent bothered plane super quiet evenings schoolyard all-out competitor can surpass its class SAM meet i sin S 0 S unvnCnen cLinees reac cenicnl iLLUsTrATeS race se SIX PACe PICK ECu SOUTneusren ru ARAnPeA~ i1I BuC-e Mirror 180 Model Aviation