On July 7-1 1 27 nations met Utrecht Netherlands have out Speed Team Race Aerobatics Text Photos Charlie Johnson Contro Wor d Chomponshps THE Royal Netherlands Aeronautical As sociation organizer years World Championships Individuals teams compete within three categories F2A Speed F2B Aerobatics F2C Team Race Entrants country compete individual well team basis Qualification team selection var ies country country does size team maximum three twoGetting ready another run Speed flier Bob Spohr assymmetrical job Schuette took secondour top placesays Bob faster didnt put altogether extra miles per hour man Team Race teams three Aerobatic pilots three Speed pilots permitted per nation Reigning Champions have qualify team spot per mitted enter own team prizes based performances three regular team members National sponsorship also varies some coun tries paying entire expenses team few cases individual pays everything himself Twenty-seven na tions represented year en tries far away South Africa Australia Brazil Aerobatics team Egypt Utrecht site permanent en closed clubhouse has three circles two caged circles Team Race Speed third Aerobatics also has model race car track snake through Team Race circle has timing tower equipment jury light boards display number laps team fouls numbers contestants following heats Speed both mechan ically electronically timed speed posted light board following run set red green lights informed pilot pit crew official timing taking place Aerobatics circle P1Name Country 1McDonald USA 2Werwage USA 3Gieske USA 4Billan France 5Gabris Chzoc 6Schaff USA 7Campostella Italy 8van Hiat Nether 9Rossi Italy 10Cani Chzec 11SasakiJapan 12Cappi Italy 13Hara Japan 14Tindall England 15Eskildion Denmark 16Lavaletto France Piece 7-00-76 4 2742 2 2812 1 2582 5 2689 9 2667 7 2681 15 2485 3 2768 6 2687 10 2634 8 2676 112616 17 2388 13 2520 12 2609 14 2512 Place 1-1 0-76 3 2860 2 2871 1 2879 9 2724 4 2810 6 2745 5 2767 ID 2713 9 2726 112703 17 2568 7 2727 13 2640 12 2694 14 2622 15 2604 Bone Score Finals 1st fIt2nd fIt 29502950 29312882 28672864 29722896 28782746 25482926 28892887 2866 2814____ 27742815 2726 2765 27862746 24962691 27172652 Total 5810 5802 5746 5696 5688 5671 5656 5634 5548 5518 5515 5492 5426 5385 5339 Far left USA team membersSpeed TR Aerobatics US took first three places 6th Aerobatics 2nd Speed did well TR results text Middle left Mo ment gloryLes McDonald winner Aero batics Left Turning fastest official time everS mm 9 sec 200-lap finalwas Russian team Barkov-Suraev Right Start final TR Russian team com ing first pitnote grouper near handle Russians cleanest fliers entire meet could fly kind traffic fouling Swedish team suspenders 6 ft 6 in. obstruction Danish team shattered wing first pit stop laid out well although model car race course made area look cluttered Nothing sophisticated judging flight patterns just five hard working jury mem bers crowded under umbrella Wednesday July 7th first offi cial day WC set aside registration Thursday training processing day overyone chance put some practice although some pre ferred privacy alternate training site things could sorted out noted during processing 7cc tank limit Team Race varied country country re ported Russians won oversize tank contest record 74cc Because elaborate filling systems some tanks 2cc factor added filler valve assembly measur able Right Voted worlds best TR pilots Englands Derek Heaton ready tan gle Russians Plaunts Given chance win team engine go sour Aerobatics Speed ran very smoothly times ahead schedule Team Race two pro tests before flying started Both proxy flying centered around Clarkson/Daly team proxy fly ing New Zealand entry Barnes/Brown allowed other Enrico Flores legally Italian mar ried Dutch girl proxy flying member Dutch Team Although allowed fly heats quali fied 405 allowed participate semi rounds Flores well Dutch team very unhappy did qualify under current FAI rules F2B Aerobatics After first round Friday ap parent Aerobatic pilots first place would go American just question Below sum mary scores three days com petition contestants given two preliminary quali1iing attempts highest 15 getting two flights Sunday final score determined adding highest qualifying flight either Fri day Saturday best score Sunday majority fliers scored highest during second pattern Saturday first pattern Sunday Also observe 8 points separates first two places two 2950 patterns turned Mc Donald Sunday Below sample scores five jury members num ber end range between highest lowest score since three middle scores used No top 15 narrower range did Bill Werwage range between high low some contestants down list over 240 points As can see Gieskes range 108 points five judges taken total 44 points counting middle three scores used total October1976 17 Below Two masters Bob Gieske left Bill Werwage 3rd 2nd respectively Aerobatics Bob competed individual score didnt count winning team score Left The timing tower light boards foul lights note 2nd foul middle teamyellow Boom Speed timing background ABC0E 9551008940900984 942959970918988 9439119689491010 9438749229451029 910917856940102B 842997888883974 922921829884953 896887923907989 868989820924932 896988865894923 893845833965979 886876932841952 773940839881982 922845847853986 883929859825882 Total 2879 2871 2860 2810 2767 2745 2727 2726 2724 2713 2703 2694 2640 2622 2604 Range 108 70 99 155 170 155 124 102 169 123 146 111 209 141 104 Key jury members AC v Ommeren Netherlands BP Soaliac France CB Gialdini USA DZ Liska Crec EM Harvey Britain CL World Champs flight Giving jury what want see big part Aerobatics style important mechanically per forming maneuvers United States easily took Aerobatics Team prize since theyd taken first second sixth places Gieskes third didnt count toward USA award F2A Speed Speed very straight-forward event since no subjective evaluation Aerobatics also frustrating Getting 25cc piped alky burners running right some times cause Excedrin headache number 200 best Speed merchants world hand championship Rumors spread both Italians Germans turning times 260-270 kilometer-per-hour range Grouped lines banned news electricallycharged lines means grouping prompted several countries prepare pro tests advance None sophisticated gadgets materialized did ultra-fast times Emil Rumpel stole show very fast 252-kph run Chuck Schu ette close behind 247 kph fol lowed several other contestants within couple kph top runners used asymmet rical designs long inboard wing either no wing outboard side just little stub Emil Rumpels about three feet long needing heavy wooden cover keep being dam aged being flown Apparently ultra-thin wing cleaner ex posed lines Austrians also Left Americas best hope TR Jed Kusik re leases model first heat4OS fast time morning Team looked good against stiff est opposition Made semi-finals Above electronic timing setup Speed Both manual electronic timing used double check Notice sturdy cage Name Country Ijieske USA Wewage USA McDonald USA Garis Cznc Compostella Italy Schaffer USA Cappi Italy Rossi Italy Billon France v d Hoot Netherlands Cani Czec Tindall Britain Hare Japan Eskildnen Oenaark ljvelettn France Above Jim Sue Pleunt put up whale fight Russian English teams turning respectable 421 Sue female en trant possibly first female pit-person too super long wing spar caused spectacular bow flight Below summary officially timed flights three-day period P1 Name Country 1 Rumpel W Germany 2 Schuelte USA 3 Ricci Italy 4 Baser Netherlands 5 Spalir USA 6 Leozen W Germany 7 Schmidt W Germany 8 Baidalinov USSR 9 Dodge USA 10 Pacheco Spain 11 Halman England 12 Enfroy France 13 Dusi Italy 14 Maslenkin USSR 15 Rachwal Poland 2477 2469 2460 2430 2381 2306 2356 2348 2327 2321 2342 2337 2337 2529 2472 2404 2321 2285 2330 2376 2162 2324 2346 2343 2203 2450 2331 2408 1984 2406 2325 2112 2285 2290 2325 Chuck Schuette turned time Fri day suffer through two days bubble waiting someone turn really fast run same time trying improve speed enough beat Rumpel Superior pitwork three American team members aided team manager Laird Jackson enabled put least two flights per four-minute time period As long pilot doesnt put handle pylon con sidered official attempt may make another attempt during time slot wait reflight later day feels things arent going fast enough super pitwork put Schuette back up another try Saturday after much tuning ground lot footwork get model pipe unfor tunately ran out fuel about lap eight though West Germans took team prize members USA team felt theyd done well equipment would allow Carl Dodge summed up thats fast goes F2C Team Race Team Race really its ups downs year far protests jury problems concerned thing up swing performance took quicker 410 make semi rounds faster lot ex perts predicted problem protests really didnt affect final outcome except kept very fast Left The beauty retract-gear Russian TR model Average speed around 108 mph gear 3 mph slower gear down Heaton/ Ross England also retracting gear beautiful Onufrienko-Shapovalov team racer Russia similar appearance Dunkin-Wright model weighed around 15 ozs Dutch team Flores/v d Voort out contention Friday morning heats began determine nine quickest teams semi rounds Thirty-six teams sched uled fly morning hours lunch break 15 disqualified 7 awarded reflights 5 received no time 9 teams received times Ameri can team Jolly/Kusik among luckier ones posted very quick 408 heat would stand fast time until Russians turned 400 Kras norutski/Kramarenko afternoon What very strict jury suddenly turned mellow letting pass some very fla grant violations competitors werent necessarily upset jury strict rather wasnt consistent its rulings fouled out very quickly during morning heats some less 20 laps yet afternoon some names got away thing liked Jim Sue Plaunt ran very good race against Russian team Maslov/ Efremov Britains Heaton/Ross Britains disqualified whipping midway through American pair able stay within lap Rus snons until very end lapped again faster Russians Dunkin/Wright disqualified Fri day high flying little cautious continu ed page 94 October1976 19 Left Chuck Schuette getting Speed Heres 247-kph run just now getting pipe Takes good arm Speed Mary Schuette dads model Loyal root er clocked opposition times before electronic clocks did Stearman C3BGEHERALTb 9 sopt /READY OR N W NWE________ DO GEGN SNOBDA 35 RBIOSOON.04S POWERFOR RADIO CONTROL OR FREE FLIGHT00010 POWES C SIT OF NOSTALGIA FOR 0000 CORONAL UF TO THREE CHANNELSONE OF THE GOLDEN ERAS AREATEST AIRCRAFTGAo 0 oDLIGHT TO BUILD HISTORO BAXEN flOOBE WORLD N N~SONS AMERICAN FOWEB FORV PIPIR Cl/i N 01 CONTROL UP TO OTHEE SO WINGSPAN 000 POWER FOR FREE 9N SNELS TRUE CLASSIC A15 FLIWOD OR R*01D CONTROL E1OOt0BLO FROG THE GOLDEN CR0 7FOR CDNTRCL UNITS CAN BE FLORN PSEE FLIHOT OS POWER ON RUBBEROS DIRECT ORDERS ADD lOX FAN TACKING ANDFLY LINE MODELS BOOR D0E 00 RESICESOC ADD Ha ODD SEE YOUR LOCAL HOBBY DEALER0643 ASHBY PL PAIREAX VA22030 FF Duration/Meuser continued page 43 ing liquid onto wood Let dry sand apply coats urethane varnish Let dry wet sand Alterna tively styrofoam can dipped dope thinner immediately rubbed wood styrofoam film suppose polystyrene film eb chemists hard tough urethane varnish gives relatively chemically impervious barrier almost paint resin coating may applied Enamelthe exception know ofdoesnt adhere very well No shrinkage man says Other Hints Tips Again Squire Openshaw AAEthanol excellent raising grain balsa dries quickly caused practically no warpage might try methanol too per haps water-alcohol mix such rubbing alcohol Vodka ADWaterdiluted White Magic vinyl floor polish seems promising sealant Japanese tissue would have thought Bob Meuser 4200 Gregory St Oak land CA 94619 ADVERTISERS INDEX Ace Radio Control Inc79 Andrews Aircraft Model Co89 David Andrews CoCover 2 Cox Hobbies4849 96 Cover 3 Cumberland Press86 Du-Bro Products Inc85 EK-logictrol87 Flyline Models94 Carl Goldberg Models20 Grish Brothers92 Peck-Polymers81 Progress Mfg Company91 RCBuyersGuide93 RSSystems81 SC Modeler Hobby Shop83 Sig Mfg Company1 Sterling Models Inc90 VI Products86 Williams Brothers91 World EnginesBack Cover CL Navy Carrier/Perry continued page 35 between wing flap cause higher-pressure air bend airflow around upper surface flaps increase effectiveness part such flaps suited Carrier models because too heavy too complicated too critical design provide small improve ment over much simpler plain flaps split flaps lend themselves very well modeling applications plain flap commonly used flap design Carrier models made cutting off last 20% airfoil section mounting hinges sheet flaps common Stunt models also plain flaps Plain flaps usually used Carrier models prototype aircraft employed slotted flaps Fowler flaps some other type complicated motions Plain flaps ap propriate time flap outlines visible upper surface wing flap/ wing separation can canted upper wing surface extended thin plywood cases separation lines top bottom wing slightly different positions slotted flap installations Split flaps used carrier aircraft among Grumman Avenger Wildcat Douglas Daunt less Devastator North Amer ican Texan trained Navy pilots split flap made hinging bottom surface wing trailing edge split flap deflected upper surface wing does move Plain flaps split flaps have very simi lar effects lift drag given airfoil plain flaps tend have slightly drag split flaps no real advantage using either type thin trailing edge flap sections split flaps can cause some warping problems dope used finishing nonshrinking finish can used eliminate problem have heard some disturbing reports some builders enlarging split flaps well yond proper scale outlines claiming legality because flaps visible top view wing Besides being obvious violation intent rule see being hidden exempts flaps requirement scale topview outlines stated rule bonus points Ignoring flap outlines hid den top view equivalent saying Guardian doesnt need right auxiliary vertical stabilizer because visible left side view submitted scale verification Whatever personal interpretation legality enlarged split flaps let discourage attempting such installation another reasonthey dont work Split flaps larger about 20% wing chord increase maximum lift coefficient thin sec tions used Carrier models fact 10% thick wing large flap actually less effective small About added enlarging split flaps beyond proper scale dimensions weight Once rush Nats preparations has passed plan run product evaluations Fox Profile Carrier Special engine G-S Products Bearcat Kit Pro file Carrier have number en quiries both products Richard L Perry 5016 ngelita Ave Dayton OH 45424 CL World Champs/Johnson continued page 19 second round Everything looked OK qualifying shot motor ADcookedS bit during some heavy traffic motor became balky pit required extra dose flipping third American team Jolly/Kusik couldnt improve first-round time fact having trouble flight past year split fuel line caused engine sputter cause run-in final very exciting though Danish team broke model first pit Russian pilot used two fouls whip over Swedish team proved enough margin pull out win race close trailing another past segment lap counting lights flashed same instant Later banquet found out Larsson-Rylins engine oversize tiny amount Rossi 15s come oversize factory happened un fortunately disqualified cause fast heat time third place award given Russian team Onufrienko-Shapovalov 402 heat time Austrians awarded prize top team Team Race basis fast heat times 94 Model Aviation Semi-final rounds Larssnn-Rylin Bugi-Straniak Barkev-Seraev Onufrienke-Shapavalne Krasnaretski-Kramarenka Petersen-Geschwendtner Maslne-Efremee Jally-Kusik Fantana-Amadia Fentana-Amodin Dnufrienko-Shapnealsv Jelly-Kasik Petersen-Geschwendtner Barkne-Suraee Larssen-Rylin Masloy-Ef reman Bugi-Straniak 2nd Petersen Geschwendter Disq. Larstan-Rylin 1st Barkse-Suraev 3rd Onofrienke Sltapsealon Sweden4152 Austriadisq USSR4074 USSR4377 USSRdisq oversize tank Denmark3567 fast time af meet USSR4137 USA4247 Italy4142 Second semi-final Italy USSR USA Denmark USSR Sweden USSR Austria disq 42 17 4290 75/retired 4059 4024 69/retired 4094 FINAL DenmarkBrake first pit Sweden8106 later disq far eversize engine USSR8092 USSR402 heat part very wellrun World Championships few minor things did happen either beyond control organizers quickly taken care Unfortunately enough unhappiness Racing segment entire racing jury replaced semi final races difficult deci sion proved best end World Championships 1976 will remembered fast times good patterns five days well spent Thanks KLM RNAA teams travel Europe aided especially good service KLM Airlines KLM official airline CL World Championships made special arrangements transport teams model boxes no charge saving CL team fund hundreds dollars excess baggage cargo costs KLMs help arranged behalf AMA Royal Netherlands Aeronautical Associa tions Department Aeromodelling FULL-SIZE PLANS No 160 Mariha$350 RC Scale sailplaneand no harder build typical soarers No 161 Sunday Sportster$250 RC rudder-only Uses Ace foam wing Design Ken Willard 049 No 162 Sno-Bird$400 Standout Nordic A/2 Jim Walters light thermal conditions No163 Tiger Moth$175 Documentation outline drawing scale plan 13 span No 100 Hinnants F-B ultimate maneuverability smoothness 60 Pattern lob has $450 No 101 Short Seamew 40-powered Class Carrier model good prototype lends itself innovations $300 No 102 French Wench Free Flight Classes 1 /2A 049 051 fully tested design $225 No 103 Kloud King 15-19 RC Old-TimerFree Flight based upoq 1938 record breaker FF $400 No 104 Wiley Post Biplane Petite durable scale design either rubber tail wagger pulse rudderlS225 No 105 Harold Ruarks Sportsman RC cabin job pretty smooth lines 40 powered full-house $450 No 107 Aeronca K 24 wingspan rubber Indoor Scale old-time lighsplane Its done 90 seconds $200 No 108 Electric Couldnt done Dick Sarpolus Astro 25 RC job performs patterns $375 No 109 Bill Fuoris Quarter Midget House Balsa design modifications faster times $300 No 110 Zipper latest CL Scale Racers JohnKilsdonk icb must racing fans $175 No 111 Max-a-Million fleet free flights problem good A/B FAI $375 No 112 Sneat Sport RC glider simple job can flown engine $275 No 114 Ernie Violests DH comet CL Scale 1974 Nats first-place winner classic twin $900 No 117 Novice simple beginners A-i Nordic constructed entirely sheet balsa $150 No 118 GollyGaeWhiz Dan Rutherfords simple Half-A powered Combat lob turns dime $150 No 119 Four Beginners Too basic RC trainer 09 to1 5s rudder elevator motor controls $300 No 120 cathexis Dave Parsons FAI FF has auto-elevator rudder prop brake $450 No 121 Gremlin Sturdy acrobatic RC biplane flies well 35s up 60s $300 No 123 4-Bits 4O-powered RC 500 Club Racer has winning ways Good sport too $400 No 124 Semi-Pro Contest-winning HL glider has pop-up tail dethermalizer $100 No125 HaIf-Korda rubberJohn Oldenkamps 1/2-size all-balsa Old-Timer $175 No 125 Hooptee Mk Ill John Kilsdonks CL Rat Racer involves latest state-of-the-art $175 No 127 BAC Drone Astro-lO electric-powered 80 scale AC powered Glider $400 No 129 Rebel update famed deBolt RC kit Rudder/Elevator/Enginefor 1 5s $275 No 130 AltajrClass A-B Free Flight conversion data other classes $400 No 131 Gee Bee Model Y 40-powered RC stand-off scale great old-time racers $500 No 134 callisto superb Standard Class AC sailplane also took Nets first $400 No 135 Hyperion Mk V Don Chanceys classic Nordic A-2 competed US team $275 No 136 Fmeseler Storch AC scale model 23-45 5-channel has both slots flaps $400 No 137 Ambivalent AC assist FF 29-35 2 chan. can converted sport $400 No 138 candle Wind Half-A free flight competition type offers looks performance $300 No139 Jaguar FAI 15 Combatbyan Englishchampoffersdifferentconfiguration $225 No 140 Nieuport Monoplane Another Hannan cutie CO2 indoor/outdoor Brown single twin $150 No 141 Blackburn Monoplane AC Scale rendition history-maker wheels floats 40 engine $450 No 142 Eagle CL holder Sr 1/2A Proto Speed records Uses Con 049 $175 No 143 Sweepo rubber winning Coupe dHivercan also flown Unlimited $275 No 144 Shark AC conversion JETCO Shark coupled flaps elevators45-60 $525 No 145 Japanese Myrt CL Carrier Class II model has estremely clean design Rossi 60 $275 No 146 QuickSilver AC 1/2A Pylon Racer incorporates latest techniques $200 No 147 B-i AC 15 USAF bomber full house Ace foam wings Stable $275 No 145 BumbleBee Mk II Foam wing AMA fast-combat saves time cost $450 No 149 Comedian AC fun-fly acrobatic biplane good looker 40 60 $400 No 150 Cardinal Sinner CL stunser 35 engines Detroiter type Very competitive $375 No 151 Nesmith Cougar FF rubber scale 30-in span Excellent design long flights $300 No 152 Fox AC assist FF version 1940 Old-Timer 19 ignition 09 glow $425 No 153 Cerberus AC 60-powered Pattern job retracts advanced features $475 No 154 MJ2 Tempete ci scale model famous homebuils motor control sport 25 $350 No 155 Tellipsoar AC Standard Class sailplane wins stand-out performance $1000 No 156 Free Spirit FF Classes A&B combines excellent power/glide performance $400 No157 1935 Wakefield Winner rubber power top job its day will delight old-timer $275 No 158 Flying Flag Fran McElwees 60-powered AC saucer Show Teams sport $675 No 159 Tercel Keith Trostles 1/2A CL Stunt ship flies excellent pattern $200 Circle numbers plans wish order100101102103 104105106107108109110111 112114115117118119120121 123124125126127129130131 134135136137138139141142 151152153154155156157158 159160161162163Enclosed$___________ NAME STREET CITY STATE ZIP Price includes first-class postage Send check money order payable ModelAviation AMA 815 Fifteenth St. NW. Washington DC 20005 October1976 95 Sigs Unique Handle/Wrapper
Edition: Model Aviation - 1976/10
Page Numbers: 16, 17, 18, 19, 94, 95
On July 7-1 1 27 nations met Utrecht Netherlands have out Speed Team Race Aerobatics Text Photos Charlie Johnson Contro Wor d Chomponshps THE Royal Netherlands Aeronautical As sociation organizer years World Championships Individuals teams compete within three categories F2A Speed F2B Aerobatics F2C Team Race Entrants country compete individual well team basis Qualification team selection var ies country country does size team maximum three twoGetting ready another run Speed flier Bob Spohr assymmetrical job Schuette took secondour top placesays Bob faster didnt put altogether extra miles per hour man Team Race teams three Aerobatic pilots three Speed pilots permitted per nation Reigning Champions have qualify team spot per mitted enter own team prizes based performances three regular team members National sponsorship also varies some coun tries paying entire expenses team few cases individual pays everything himself Twenty-seven na tions represented year en tries far away South Africa Australia Brazil Aerobatics team Egypt Utrecht site permanent en closed clubhouse has three circles two caged circles Team Race Speed third Aerobatics also has model race car track snake through Team Race circle has timing tower equipment jury light boards display number laps team fouls numbers contestants following heats Speed both mechan ically electronically timed speed posted light board following run set red green lights informed pilot pit crew official timing taking place Aerobatics circle P1Name Country 1McDonald USA 2Werwage USA 3Gieske USA 4Billan France 5Gabris Chzoc 6Schaff USA 7Campostella Italy 8van Hiat Nether 9Rossi Italy 10Cani Chzec 11SasakiJapan 12Cappi Italy 13Hara Japan 14Tindall England 15Eskildion Denmark 16Lavaletto France Piece 7-00-76 4 2742 2 2812 1 2582 5 2689 9 2667 7 2681 15 2485 3 2768 6 2687 10 2634 8 2676 112616 17 2388 13 2520 12 2609 14 2512 Place 1-1 0-76 3 2860 2 2871 1 2879 9 2724 4 2810 6 2745 5 2767 ID 2713 9 2726 112703 17 2568 7 2727 13 2640 12 2694 14 2622 15 2604 Bone Score Finals 1st fIt2nd fIt 29502950 29312882 28672864 29722896 28782746 25482926 28892887 2866 2814____ 27742815 2726 2765 27862746 24962691 27172652 Total 5810 5802 5746 5696 5688 5671 5656 5634 5548 5518 5515 5492 5426 5385 5339 Far left USA team membersSpeed TR Aerobatics US took first three places 6th Aerobatics 2nd Speed did well TR results text Middle left Mo ment gloryLes McDonald winner Aero batics Left Turning fastest official time everS mm 9 sec 200-lap finalwas Russian team Barkov-Suraev Right Start final TR Russian team com ing first pitnote grouper near handle Russians cleanest fliers entire meet could fly kind traffic fouling Swedish team suspenders 6 ft 6 in. obstruction Danish team shattered wing first pit stop laid out well although model car race course made area look cluttered Nothing sophisticated judging flight patterns just five hard working jury mem bers crowded under umbrella Wednesday July 7th first offi cial day WC set aside registration Thursday training processing day overyone chance put some practice although some pre ferred privacy alternate training site things could sorted out noted during processing 7cc tank limit Team Race varied country country re ported Russians won oversize tank contest record 74cc Because elaborate filling systems some tanks 2cc factor added filler valve assembly measur able Right Voted worlds best TR pilots Englands Derek Heaton ready tan gle Russians Plaunts Given chance win team engine go sour Aerobatics Speed ran very smoothly times ahead schedule Team Race two pro tests before flying started Both proxy flying centered around Clarkson/Daly team proxy fly ing New Zealand entry Barnes/Brown allowed other Enrico Flores legally Italian mar ried Dutch girl proxy flying member Dutch Team Although allowed fly heats quali fied 405 allowed participate semi rounds Flores well Dutch team very unhappy did qualify under current FAI rules F2B Aerobatics After first round Friday ap parent Aerobatic pilots first place would go American just question Below sum mary scores three days com petition contestants given two preliminary quali1iing attempts highest 15 getting two flights Sunday final score determined adding highest qualifying flight either Fri day Saturday best score Sunday majority fliers scored highest during second pattern Saturday first pattern Sunday Also observe 8 points separates first two places two 2950 patterns turned Mc Donald Sunday Below sample scores five jury members num ber end range between highest lowest score since three middle scores used No top 15 narrower range did Bill Werwage range between high low some contestants down list over 240 points As can see Gieskes range 108 points five judges taken total 44 points counting middle three scores used total October1976 17 Below Two masters Bob Gieske left Bill Werwage 3rd 2nd respectively Aerobatics Bob competed individual score didnt count winning team score Left The timing tower light boards foul lights note 2nd foul middle teamyellow Boom Speed timing background ABC0E 9551008940900984 942959970918988 9439119689491010 9438749229451029 910917856940102B 842997888883974 922921829884953 896887923907989 868989820924932 896988865894923 893845833965979 886876932841952 773940839881982 922845847853986 883929859825882 Total 2879 2871 2860 2810 2767 2745 2727 2726 2724 2713 2703 2694 2640 2622 2604 Range 108 70 99 155 170 155 124 102 169 123 146 111 209 141 104 Key jury members AC v Ommeren Netherlands BP Soaliac France CB Gialdini USA DZ Liska Crec EM Harvey Britain CL World Champs flight Giving jury what want see big part Aerobatics style important mechanically per forming maneuvers United States easily took Aerobatics Team prize since theyd taken first second sixth places Gieskes third didnt count toward USA award F2A Speed Speed very straight-forward event since no subjective evaluation Aerobatics also frustrating Getting 25cc piped alky burners running right some times cause Excedrin headache number 200 best Speed merchants world hand championship Rumors spread both Italians Germans turning times 260-270 kilometer-per-hour range Grouped lines banned news electricallycharged lines means grouping prompted several countries prepare pro tests advance None sophisticated gadgets materialized did ultra-fast times Emil Rumpel stole show very fast 252-kph run Chuck Schu ette close behind 247 kph fol lowed several other contestants within couple kph top runners used asymmet rical designs long inboard wing either no wing outboard side just little stub Emil Rumpels about three feet long needing heavy wooden cover keep being dam aged being flown Apparently ultra-thin wing cleaner ex posed lines Austrians also Left Americas best hope TR Jed Kusik re leases model first heat4OS fast time morning Team looked good against stiff est opposition Made semi-finals Above electronic timing setup Speed Both manual electronic timing used double check Notice sturdy cage Name Country Ijieske USA Wewage USA McDonald USA Garis Cznc Compostella Italy Schaffer USA Cappi Italy Rossi Italy Billon France v d Hoot Netherlands Cani Czec Tindall Britain Hare Japan Eskildnen Oenaark ljvelettn France Above Jim Sue Pleunt put up whale fight Russian English teams turning respectable 421 Sue female en trant possibly first female pit-person too super long wing spar caused spectacular bow flight Below summary officially timed flights three-day period P1 Name Country 1 Rumpel W Germany 2 Schuelte USA 3 Ricci Italy 4 Baser Netherlands 5 Spalir USA 6 Leozen W Germany 7 Schmidt W Germany 8 Baidalinov USSR 9 Dodge USA 10 Pacheco Spain 11 Halman England 12 Enfroy France 13 Dusi Italy 14 Maslenkin USSR 15 Rachwal Poland 2477 2469 2460 2430 2381 2306 2356 2348 2327 2321 2342 2337 2337 2529 2472 2404 2321 2285 2330 2376 2162 2324 2346 2343 2203 2450 2331 2408 1984 2406 2325 2112 2285 2290 2325 Chuck Schuette turned time Fri day suffer through two days bubble waiting someone turn really fast run same time trying improve speed enough beat Rumpel Superior pitwork three American team members aided team manager Laird Jackson enabled put least two flights per four-minute time period As long pilot doesnt put handle pylon con sidered official attempt may make another attempt during time slot wait reflight later day feels things arent going fast enough super pitwork put Schuette back up another try Saturday after much tuning ground lot footwork get model pipe unfor tunately ran out fuel about lap eight though West Germans took team prize members USA team felt theyd done well equipment would allow Carl Dodge summed up thats fast goes F2C Team Race Team Race really its ups downs year far protests jury problems concerned thing up swing performance took quicker 410 make semi rounds faster lot ex perts predicted problem protests really didnt affect final outcome except kept very fast Left The beauty retract-gear Russian TR model Average speed around 108 mph gear 3 mph slower gear down Heaton/ Ross England also retracting gear beautiful Onufrienko-Shapovalov team racer Russia similar appearance Dunkin-Wright model weighed around 15 ozs Dutch team Flores/v d Voort out contention Friday morning heats began determine nine quickest teams semi rounds Thirty-six teams sched uled fly morning hours lunch break 15 disqualified 7 awarded reflights 5 received no time 9 teams received times Ameri can team Jolly/Kusik among luckier ones posted very quick 408 heat would stand fast time until Russians turned 400 Kras norutski/Kramarenko afternoon What very strict jury suddenly turned mellow letting pass some very fla grant violations competitors werent necessarily upset jury strict rather wasnt consistent its rulings fouled out very quickly during morning heats some less 20 laps yet afternoon some names got away thing liked Jim Sue Plaunt ran very good race against Russian team Maslov/ Efremov Britains Heaton/Ross Britains disqualified whipping midway through American pair able stay within lap Rus snons until very end lapped again faster Russians Dunkin/Wright disqualified Fri day high flying little cautious continu ed page 94 October1976 19 Left Chuck Schuette getting Speed Heres 247-kph run just now getting pipe Takes good arm Speed Mary Schuette dads model Loyal root er clocked opposition times before electronic clocks did Stearman C3BGEHERALTb 9 sopt /READY OR N W NWE________ DO GEGN SNOBDA 35 RBIOSOON.04S POWERFOR RADIO CONTROL OR FREE FLIGHT00010 POWES C SIT OF NOSTALGIA FOR 0000 CORONAL UF TO THREE CHANNELSONE OF THE GOLDEN ERAS AREATEST AIRCRAFTGAo 0 oDLIGHT TO BUILD HISTORO BAXEN flOOBE WORLD N N~SONS AMERICAN FOWEB FORV PIPIR Cl/i N 01 CONTROL UP TO OTHEE SO WINGSPAN 000 POWER FOR FREE 9N SNELS TRUE CLASSIC A15 FLIWOD OR R*01D CONTROL E1OOt0BLO FROG THE GOLDEN CR0 7FOR CDNTRCL UNITS CAN BE FLORN PSEE FLIHOT OS POWER ON RUBBEROS DIRECT ORDERS ADD lOX FAN TACKING ANDFLY LINE MODELS BOOR D0E 00 RESICESOC ADD Ha ODD SEE YOUR LOCAL HOBBY DEALER0643 ASHBY PL PAIREAX VA22030 FF Duration/Meuser continued page 43 ing liquid onto wood Let dry sand apply coats urethane varnish Let dry wet sand Alterna tively styrofoam can dipped dope thinner immediately rubbed wood styrofoam film suppose polystyrene film eb chemists hard tough urethane varnish gives relatively chemically impervious barrier almost paint resin coating may applied Enamelthe exception know ofdoesnt adhere very well No shrinkage man says Other Hints Tips Again Squire Openshaw AAEthanol excellent raising grain balsa dries quickly caused practically no warpage might try methanol too per haps water-alcohol mix such rubbing alcohol Vodka ADWaterdiluted White Magic vinyl floor polish seems promising sealant Japanese tissue would have thought Bob Meuser 4200 Gregory St Oak land CA 94619 ADVERTISERS INDEX Ace Radio Control Inc79 Andrews Aircraft Model Co89 David Andrews CoCover 2 Cox Hobbies4849 96 Cover 3 Cumberland Press86 Du-Bro Products Inc85 EK-logictrol87 Flyline Models94 Carl Goldberg Models20 Grish Brothers92 Peck-Polymers81 Progress Mfg Company91 RCBuyersGuide93 RSSystems81 SC Modeler Hobby Shop83 Sig Mfg Company1 Sterling Models Inc90 VI Products86 Williams Brothers91 World EnginesBack Cover CL Navy Carrier/Perry continued page 35 between wing flap cause higher-pressure air bend airflow around upper surface flaps increase effectiveness part such flaps suited Carrier models because too heavy too complicated too critical design provide small improve ment over much simpler plain flaps split flaps lend themselves very well modeling applications plain flap commonly used flap design Carrier models made cutting off last 20% airfoil section mounting hinges sheet flaps common Stunt models also plain flaps Plain flaps usually used Carrier models prototype aircraft employed slotted flaps Fowler flaps some other type complicated motions Plain flaps ap propriate time flap outlines visible upper surface wing flap/ wing separation can canted upper wing surface extended thin plywood cases separation lines top bottom wing slightly different positions slotted flap installations Split flaps used carrier aircraft among Grumman Avenger Wildcat Douglas Daunt less Devastator North Amer ican Texan trained Navy pilots split flap made hinging bottom surface wing trailing edge split flap deflected upper surface wing does move Plain flaps split flaps have very simi lar effects lift drag given airfoil plain flaps tend have slightly drag split flaps no real advantage using either type thin trailing edge flap sections split flaps can cause some warping problems dope used finishing nonshrinking finish can used eliminate problem have heard some disturbing reports some builders enlarging split flaps well yond proper scale outlines claiming legality because flaps visible top view wing Besides being obvious violation intent rule see being hidden exempts flaps requirement scale topview outlines stated rule bonus points Ignoring flap outlines hid den top view equivalent saying Guardian doesnt need right auxiliary vertical stabilizer because visible left side view submitted scale verification Whatever personal interpretation legality enlarged split flaps let discourage attempting such installation another reasonthey dont work Split flaps larger about 20% wing chord increase maximum lift coefficient thin sec tions used Carrier models fact 10% thick wing large flap actually less effective small About added enlarging split flaps beyond proper scale dimensions weight Once rush Nats preparations has passed plan run product evaluations Fox Profile Carrier Special engine G-S Products Bearcat Kit Pro file Carrier have number en quiries both products Richard L Perry 5016 ngelita Ave Dayton OH 45424 CL World Champs/Johnson continued page 19 second round Everything looked OK qualifying shot motor ADcookedS bit during some heavy traffic motor became balky pit required extra dose flipping third American team Jolly/Kusik couldnt improve first-round time fact having trouble flight past year split fuel line caused engine sputter cause run-in final very exciting though Danish team broke model first pit Russian pilot used two fouls whip over Swedish team proved enough margin pull out win race close trailing another past segment lap counting lights flashed same instant Later banquet found out Larsson-Rylins engine oversize tiny amount Rossi 15s come oversize factory happened un fortunately disqualified cause fast heat time third place award given Russian team Onufrienko-Shapovalov 402 heat time Austrians awarded prize top team Team Race basis fast heat times 94 Model Aviation Semi-final rounds Larssnn-Rylin Bugi-Straniak Barkev-Seraev Onufrienke-Shapavalne Krasnaretski-Kramarenka Petersen-Geschwendtner Maslne-Efremee Jally-Kusik Fantana-Amadia Fentana-Amodin Dnufrienko-Shapnealsv Jelly-Kasik Petersen-Geschwendtner Barkne-Suraee Larssen-Rylin Masloy-Ef reman Bugi-Straniak 2nd Petersen Geschwendter Disq. Larstan-Rylin 1st Barkse-Suraev 3rd Onofrienke Sltapsealon Sweden4152 Austriadisq USSR4074 USSR4377 USSRdisq oversize tank Denmark3567 fast time af meet USSR4137 USA4247 Italy4142 Second semi-final Italy USSR USA Denmark USSR Sweden USSR Austria disq 42 17 4290 75/retired 4059 4024 69/retired 4094 FINAL DenmarkBrake first pit Sweden8106 later disq far eversize engine USSR8092 USSR402 heat part very wellrun World Championships few minor things did happen either beyond control organizers quickly taken care Unfortunately enough unhappiness Racing segment entire racing jury replaced semi final races difficult deci sion proved best end World Championships 1976 will remembered fast times good patterns five days well spent Thanks KLM RNAA teams travel Europe aided especially good service KLM Airlines KLM official airline CL World Championships made special arrangements transport teams model boxes no charge saving CL team fund hundreds dollars excess baggage cargo costs KLMs help arranged behalf AMA Royal Netherlands Aeronautical Associa tions Department Aeromodelling FULL-SIZE PLANS No 160 Mariha$350 RC Scale sailplaneand no harder build typical soarers No 161 Sunday Sportster$250 RC rudder-only Uses Ace foam wing Design Ken Willard 049 No 162 Sno-Bird$400 Standout Nordic A/2 Jim Walters light thermal conditions No163 Tiger Moth$175 Documentation outline drawing scale plan 13 span No 100 Hinnants F-B ultimate maneuverability smoothness 60 Pattern lob has $450 No 101 Short Seamew 40-powered Class Carrier model good prototype lends itself innovations $300 No 102 French Wench Free Flight Classes 1 /2A 049 051 fully tested design $225 No 103 Kloud King 15-19 RC Old-TimerFree Flight based upoq 1938 record breaker FF $400 No 104 Wiley Post Biplane Petite durable scale design either rubber tail wagger pulse rudderlS225 No 105 Harold Ruarks Sportsman RC cabin job pretty smooth lines 40 powered full-house $450 No 107 Aeronca K 24 wingspan rubber Indoor Scale old-time lighsplane Its done 90 seconds $200 No 108 Electric Couldnt done Dick Sarpolus Astro 25 RC job performs patterns $375 No 109 Bill Fuoris Quarter Midget House Balsa design modifications faster times $300 No 110 Zipper latest CL Scale Racers JohnKilsdonk icb must racing fans $175 No 111 Max-a-Million fleet free flights problem good A/B FAI $375 No 112 Sneat Sport RC glider simple job can flown engine $275 No 114 Ernie Violests DH comet CL Scale 1974 Nats first-place winner classic twin $900 No 117 Novice simple beginners A-i Nordic constructed entirely sheet balsa $150 No 118 GollyGaeWhiz Dan Rutherfords simple Half-A powered Combat lob turns dime $150 No 119 Four Beginners Too basic RC trainer 09 to1 5s rudder elevator motor controls $300 No 120 cathexis Dave Parsons FAI FF has auto-elevator rudder prop brake $450 No 121 Gremlin Sturdy acrobatic RC biplane flies well 35s up 60s $300 No 123 4-Bits 4O-powered RC 500 Club Racer has winning ways Good sport too $400 No 124 Semi-Pro Contest-winning HL glider has pop-up tail dethermalizer $100 No125 HaIf-Korda rubberJohn Oldenkamps 1/2-size all-balsa Old-Timer $175 No 125 Hooptee Mk Ill John Kilsdonks CL Rat Racer involves latest state-of-the-art $175 No 127 BAC Drone Astro-lO electric-powered 80 scale AC powered Glider $400 No 129 Rebel update famed deBolt RC kit Rudder/Elevator/Enginefor 1 5s $275 No 130 AltajrClass A-B Free Flight conversion data other classes $400 No 131 Gee Bee Model Y 40-powered RC stand-off scale great old-time racers $500 No 134 callisto superb Standard Class AC sailplane also took Nets first $400 No 135 Hyperion Mk V Don Chanceys classic Nordic A-2 competed US team $275 No 136 Fmeseler Storch AC scale model 23-45 5-channel has both slots flaps $400 No 137 Ambivalent AC assist FF 29-35 2 chan. can converted sport $400 No 138 candle Wind Half-A free flight competition type offers looks performance $300 No139 Jaguar FAI 15 Combatbyan Englishchampoffersdifferentconfiguration $225 No 140 Nieuport Monoplane Another Hannan cutie CO2 indoor/outdoor Brown single twin $150 No 141 Blackburn Monoplane AC Scale rendition history-maker wheels floats 40 engine $450 No 142 Eagle CL holder Sr 1/2A Proto Speed records Uses Con 049 $175 No 143 Sweepo rubber winning Coupe dHivercan also flown Unlimited $275 No 144 Shark AC conversion JETCO Shark coupled flaps elevators45-60 $525 No 145 Japanese Myrt CL Carrier Class II model has estremely clean design Rossi 60 $275 No 146 QuickSilver AC 1/2A Pylon Racer incorporates latest techniques $200 No 147 B-i AC 15 USAF bomber full house Ace foam wings Stable $275 No 145 BumbleBee Mk II Foam wing AMA fast-combat saves time cost $450 No 149 Comedian AC fun-fly acrobatic biplane good looker 40 60 $400 No 150 Cardinal Sinner CL stunser 35 engines Detroiter type Very competitive $375 No 151 Nesmith Cougar FF rubber scale 30-in span Excellent design long flights $300 No 152 Fox AC assist FF version 1940 Old-Timer 19 ignition 09 glow $425 No 153 Cerberus AC 60-powered Pattern job retracts advanced features $475 No 154 MJ2 Tempete ci scale model famous homebuils motor control sport 25 $350 No 155 Tellipsoar AC Standard Class sailplane wins stand-out performance $1000 No 156 Free Spirit FF Classes A&B combines excellent power/glide performance $400 No157 1935 Wakefield Winner rubber power top job its day will delight old-timer $275 No 158 Flying Flag Fran McElwees 60-powered AC saucer Show Teams sport $675 No 159 Tercel Keith Trostles 1/2A CL Stunt ship flies excellent pattern $200 Circle numbers plans wish order100101102103 104105106107108109110111 112114115117118119120121 123124125126127129130131 134135136137138139141142 151152153154155156157158 159160161162163Enclosed$___________ NAME STREET CITY STATE ZIP Price includes first-class postage Send check money order payable ModelAviation AMA 815 Fifteenth St. NW. Washington DC 20005 October1976 95 Sigs Unique Handle/Wrapper
Edition: Model Aviation - 1976/10
Page Numbers: 16, 17, 18, 19, 94, 95
On July 7-1 1 27 nations met Utrecht Netherlands have out Speed Team Race Aerobatics Text Photos Charlie Johnson Contro Wor d Chomponshps THE Royal Netherlands Aeronautical As sociation organizer years World Championships Individuals teams compete within three categories F2A Speed F2B Aerobatics F2C Team Race Entrants country compete individual well team basis Qualification team selection var ies country country does size team maximum three twoGetting ready another run Speed flier Bob Spohr assymmetrical job Schuette took secondour top placesays Bob faster didnt put altogether extra miles per hour man Team Race teams three Aerobatic pilots three Speed pilots permitted per nation Reigning Champions have qualify team spot per mitted enter own team prizes based performances three regular team members National sponsorship also varies some coun tries paying entire expenses team few cases individual pays everything himself Twenty-seven na tions represented year en tries far away South Africa Australia Brazil Aerobatics team Egypt Utrecht site permanent en closed clubhouse has three circles two caged circles Team Race Speed third Aerobatics also has model race car track snake through Team Race circle has timing tower equipment jury light boards display number laps team fouls numbers contestants following heats Speed both mechan ically electronically timed speed posted light board following run set red green lights informed pilot pit crew official timing taking place Aerobatics circle P1Name Country 1McDonald USA 2Werwage USA 3Gieske USA 4Billan France 5Gabris Chzoc 6Schaff USA 7Campostella Italy 8van Hiat Nether 9Rossi Italy 10Cani Chzec 11SasakiJapan 12Cappi Italy 13Hara Japan 14Tindall England 15Eskildion Denmark 16Lavaletto France Piece 7-00-76 4 2742 2 2812 1 2582 5 2689 9 2667 7 2681 15 2485 3 2768 6 2687 10 2634 8 2676 112616 17 2388 13 2520 12 2609 14 2512 Place 1-1 0-76 3 2860 2 2871 1 2879 9 2724 4 2810 6 2745 5 2767 ID 2713 9 2726 112703 17 2568 7 2727 13 2640 12 2694 14 2622 15 2604 Bone Score Finals 1st fIt2nd fIt 29502950 29312882 28672864 29722896 28782746 25482926 28892887 2866 2814____ 27742815 2726 2765 27862746 24962691 27172652 Total 5810 5802 5746 5696 5688 5671 5656 5634 5548 5518 5515 5492 5426 5385 5339 Far left USA team membersSpeed TR Aerobatics US took first three places 6th Aerobatics 2nd Speed did well TR results text Middle left Mo ment gloryLes McDonald winner Aero batics Left Turning fastest official time everS mm 9 sec 200-lap finalwas Russian team Barkov-Suraev Right Start final TR Russian team com ing first pitnote grouper near handle Russians cleanest fliers entire meet could fly kind traffic fouling Swedish team suspenders 6 ft 6 in. obstruction Danish team shattered wing first pit stop laid out well although model car race course made area look cluttered Nothing sophisticated judging flight patterns just five hard working jury mem bers crowded under umbrella Wednesday July 7th first offi cial day WC set aside registration Thursday training processing day overyone chance put some practice although some pre ferred privacy alternate training site things could sorted out noted during processing 7cc tank limit Team Race varied country country re ported Russians won oversize tank contest record 74cc Because elaborate filling systems some tanks 2cc factor added filler valve assembly measur able Right Voted worlds best TR pilots Englands Derek Heaton ready tan gle Russians Plaunts Given chance win team engine go sour Aerobatics Speed ran very smoothly times ahead schedule Team Race two pro tests before flying started Both proxy flying centered around Clarkson/Daly team proxy fly ing New Zealand entry Barnes/Brown allowed other Enrico Flores legally Italian mar ried Dutch girl proxy flying member Dutch Team Although allowed fly heats quali fied 405 allowed participate semi rounds Flores well Dutch team very unhappy did qualify under current FAI rules F2B Aerobatics After first round Friday ap parent Aerobatic pilots first place would go American just question Below sum mary scores three days com petition contestants given two preliminary quali1iing attempts highest 15 getting two flights Sunday final score determined adding highest qualifying flight either Fri day Saturday best score Sunday majority fliers scored highest during second pattern Saturday first pattern Sunday Also observe 8 points separates first two places two 2950 patterns turned Mc Donald Sunday Below sample scores five jury members num ber end range between highest lowest score since three middle scores used No top 15 narrower range did Bill Werwage range between high low some contestants down list over 240 points As can see Gieskes range 108 points five judges taken total 44 points counting middle three scores used total October1976 17 Below Two masters Bob Gieske left Bill Werwage 3rd 2nd respectively Aerobatics Bob competed individual score didnt count winning team score Left The timing tower light boards foul lights note 2nd foul middle teamyellow Boom Speed timing background ABC0E 9551008940900984 942959970918988 9439119689491010 9438749229451029 910917856940102B 842997888883974 922921829884953 896887923907989 868989820924932 896988865894923 893845833965979 886876932841952 773940839881982 922845847853986 883929859825882 Total 2879 2871 2860 2810 2767 2745 2727 2726 2724 2713 2703 2694 2640 2622 2604 Range 108 70 99 155 170 155 124 102 169 123 146 111 209 141 104 Key jury members AC v Ommeren Netherlands BP Soaliac France CB Gialdini USA DZ Liska Crec EM Harvey Britain CL World Champs flight Giving jury what want see big part Aerobatics style important mechanically per forming maneuvers United States easily took Aerobatics Team prize since theyd taken first second sixth places Gieskes third didnt count toward USA award F2A Speed Speed very straight-forward event since no subjective evaluation Aerobatics also frustrating Getting 25cc piped alky burners running right some times cause Excedrin headache number 200 best Speed merchants world hand championship Rumors spread both Italians Germans turning times 260-270 kilometer-per-hour range Grouped lines banned news electricallycharged lines means grouping prompted several countries prepare pro tests advance None sophisticated gadgets materialized did ultra-fast times Emil Rumpel stole show very fast 252-kph run Chuck Schu ette close behind 247 kph fol lowed several other contestants within couple kph top runners used asymmet rical designs long inboard wing either no wing outboard side just little stub Emil Rumpels about three feet long needing heavy wooden cover keep being dam aged being flown Apparently ultra-thin wing cleaner ex posed lines Austrians also Left Americas best hope TR Jed Kusik re leases model first heat4OS fast time morning Team looked good against stiff est opposition Made semi-finals Above electronic timing setup Speed Both manual electronic timing used double check Notice sturdy cage Name Country Ijieske USA Wewage USA McDonald USA Garis Cznc Compostella Italy Schaffer USA Cappi Italy Rossi Italy Billon France v d Hoot Netherlands Cani Czec Tindall Britain Hare Japan Eskildnen Oenaark ljvelettn France Above Jim Sue Pleunt put up whale fight Russian English teams turning respectable 421 Sue female en trant possibly first female pit-person too super long wing spar caused spectacular bow flight Below summary officially timed flights three-day period P1 Name Country 1 Rumpel W Germany 2 Schuelte USA 3 Ricci Italy 4 Baser Netherlands 5 Spalir USA 6 Leozen W Germany 7 Schmidt W Germany 8 Baidalinov USSR 9 Dodge USA 10 Pacheco Spain 11 Halman England 12 Enfroy France 13 Dusi Italy 14 Maslenkin USSR 15 Rachwal Poland 2477 2469 2460 2430 2381 2306 2356 2348 2327 2321 2342 2337 2337 2529 2472 2404 2321 2285 2330 2376 2162 2324 2346 2343 2203 2450 2331 2408 1984 2406 2325 2112 2285 2290 2325 Chuck Schuette turned time Fri day suffer through two days bubble waiting someone turn really fast run same time trying improve speed enough beat Rumpel Superior pitwork three American team members aided team manager Laird Jackson enabled put least two flights per four-minute time period As long pilot doesnt put handle pylon con sidered official attempt may make another attempt during time slot wait reflight later day feels things arent going fast enough super pitwork put Schuette back up another try Saturday after much tuning ground lot footwork get model pipe unfor tunately ran out fuel about lap eight though West Germans took team prize members USA team felt theyd done well equipment would allow Carl Dodge summed up thats fast goes F2C Team Race Team Race really its ups downs year far protests jury problems concerned thing up swing performance took quicker 410 make semi rounds faster lot ex perts predicted problem protests really didnt affect final outcome except kept very fast Left The beauty retract-gear Russian TR model Average speed around 108 mph gear 3 mph slower gear down Heaton/ Ross England also retracting gear beautiful Onufrienko-Shapovalov team racer Russia similar appearance Dunkin-Wright model weighed around 15 ozs Dutch team Flores/v d Voort out contention Friday morning heats began determine nine quickest teams semi rounds Thirty-six teams sched uled fly morning hours lunch break 15 disqualified 7 awarded reflights 5 received no time 9 teams received times Ameri can team Jolly/Kusik among luckier ones posted very quick 408 heat would stand fast time until Russians turned 400 Kras norutski/Kramarenko afternoon What very strict jury suddenly turned mellow letting pass some very fla grant violations competitors werent necessarily upset jury strict rather wasnt consistent its rulings fouled out very quickly during morning heats some less 20 laps yet afternoon some names got away thing liked Jim Sue Plaunt ran very good race against Russian team Maslov/ Efremov Britains Heaton/Ross Britains disqualified whipping midway through American pair able stay within lap Rus snons until very end lapped again faster Russians Dunkin/Wright disqualified Fri day high flying little cautious continu ed page 94 October1976 19 Left Chuck Schuette getting Speed Heres 247-kph run just now getting pipe Takes good arm Speed Mary Schuette dads model Loyal root er clocked opposition times before electronic clocks did Stearman C3BGEHERALTb 9 sopt /READY OR N W NWE________ DO GEGN SNOBDA 35 RBIOSOON.04S POWERFOR RADIO CONTROL OR FREE FLIGHT00010 POWES C SIT OF NOSTALGIA FOR 0000 CORONAL UF TO THREE CHANNELSONE OF THE GOLDEN ERAS AREATEST AIRCRAFTGAo 0 oDLIGHT TO BUILD HISTORO BAXEN flOOBE WORLD N N~SONS AMERICAN FOWEB FORV PIPIR Cl/i N 01 CONTROL UP TO OTHEE SO WINGSPAN 000 POWER FOR FREE 9N SNELS TRUE CLASSIC A15 FLIWOD OR R*01D CONTROL E1OOt0BLO FROG THE GOLDEN CR0 7FOR CDNTRCL UNITS CAN BE FLORN PSEE FLIHOT OS POWER ON RUBBEROS DIRECT ORDERS ADD lOX FAN TACKING ANDFLY LINE MODELS BOOR D0E 00 RESICESOC ADD Ha ODD SEE YOUR LOCAL HOBBY DEALER0643 ASHBY PL PAIREAX VA22030 FF Duration/Meuser continued page 43 ing liquid onto wood Let dry sand apply coats urethane varnish Let dry wet sand Alterna tively styrofoam can dipped dope thinner immediately rubbed wood styrofoam film suppose polystyrene film eb chemists hard tough urethane varnish gives relatively chemically impervious barrier almost paint resin coating may applied Enamelthe exception know ofdoesnt adhere very well No shrinkage man says Other Hints Tips Again Squire Openshaw AAEthanol excellent raising grain balsa dries quickly caused practically no warpage might try methanol too per haps water-alcohol mix such rubbing alcohol Vodka ADWaterdiluted White Magic vinyl floor polish seems promising sealant Japanese tissue would have thought Bob Meuser 4200 Gregory St Oak land CA 94619 ADVERTISERS INDEX Ace Radio Control Inc79 Andrews Aircraft Model Co89 David Andrews CoCover 2 Cox Hobbies4849 96 Cover 3 Cumberland Press86 Du-Bro Products Inc85 EK-logictrol87 Flyline Models94 Carl Goldberg Models20 Grish Brothers92 Peck-Polymers81 Progress Mfg Company91 RCBuyersGuide93 RSSystems81 SC Modeler Hobby Shop83 Sig Mfg Company1 Sterling Models Inc90 VI Products86 Williams Brothers91 World EnginesBack Cover CL Navy Carrier/Perry continued page 35 between wing flap cause higher-pressure air bend airflow around upper surface flaps increase effectiveness part such flaps suited Carrier models because too heavy too complicated too critical design provide small improve ment over much simpler plain flaps split flaps lend themselves very well modeling applications plain flap commonly used flap design Carrier models made cutting off last 20% airfoil section mounting hinges sheet flaps common Stunt models also plain flaps Plain flaps usually used Carrier models prototype aircraft employed slotted flaps Fowler flaps some other type complicated motions Plain flaps ap propriate time flap outlines visible upper surface wing flap/ wing separation can canted upper wing surface extended thin plywood cases separation lines top bottom wing slightly different positions slotted flap installations Split flaps used carrier aircraft among Grumman Avenger Wildcat Douglas Daunt less Devastator North Amer ican Texan trained Navy pilots split flap made hinging bottom surface wing trailing edge split flap deflected upper surface wing does move Plain flaps split flaps have very simi lar effects lift drag given airfoil plain flaps tend have slightly drag split flaps no real advantage using either type thin trailing edge flap sections split flaps can cause some warping problems dope used finishing nonshrinking finish can used eliminate problem have heard some disturbing reports some builders enlarging split flaps well yond proper scale outlines claiming legality because flaps visible top view wing Besides being obvious violation intent rule see being hidden exempts flaps requirement scale topview outlines stated rule bonus points Ignoring flap outlines hid den top view equivalent saying Guardian doesnt need right auxiliary vertical stabilizer because visible left side view submitted scale verification Whatever personal interpretation legality enlarged split flaps let discourage attempting such installation another reasonthey dont work Split flaps larger about 20% wing chord increase maximum lift coefficient thin sec tions used Carrier models fact 10% thick wing large flap actually less effective small About added enlarging split flaps beyond proper scale dimensions weight Once rush Nats preparations has passed plan run product evaluations Fox Profile Carrier Special engine G-S Products Bearcat Kit Pro file Carrier have number en quiries both products Richard L Perry 5016 ngelita Ave Dayton OH 45424 CL World Champs/Johnson continued page 19 second round Everything looked OK qualifying shot motor ADcookedS bit during some heavy traffic motor became balky pit required extra dose flipping third American team Jolly/Kusik couldnt improve first-round time fact having trouble flight past year split fuel line caused engine sputter cause run-in final very exciting though Danish team broke model first pit Russian pilot used two fouls whip over Swedish team proved enough margin pull out win race close trailing another past segment lap counting lights flashed same instant Later banquet found out Larsson-Rylins engine oversize tiny amount Rossi 15s come oversize factory happened un fortunately disqualified cause fast heat time third place award given Russian team Onufrienko-Shapovalov 402 heat time Austrians awarded prize top team Team Race basis fast heat times 94 Model Aviation Semi-final rounds Larssnn-Rylin Bugi-Straniak Barkev-Seraev Onufrienke-Shapavalne Krasnaretski-Kramarenka Petersen-Geschwendtner Maslne-Efremee Jally-Kusik Fantana-Amadia Fentana-Amodin Dnufrienko-Shapnealsv Jelly-Kasik Petersen-Geschwendtner Barkne-Suraee Larssen-Rylin Masloy-Ef reman Bugi-Straniak 2nd Petersen Geschwendter Disq. Larstan-Rylin 1st Barkse-Suraev 3rd Onofrienke Sltapsealon Sweden4152 Austriadisq USSR4074 USSR4377 USSRdisq oversize tank Denmark3567 fast time af meet USSR4137 USA4247 Italy4142 Second semi-final Italy USSR USA Denmark USSR Sweden USSR Austria disq 42 17 4290 75/retired 4059 4024 69/retired 4094 FINAL DenmarkBrake first pit Sweden8106 later disq far eversize engine USSR8092 USSR402 heat part very wellrun World Championships few minor things did happen either beyond control organizers quickly taken care Unfortunately enough unhappiness Racing segment entire racing jury replaced semi final races difficult deci sion proved best end World Championships 1976 will remembered fast times good patterns five days well spent Thanks KLM RNAA teams travel Europe aided especially good service KLM Airlines KLM official airline CL World Championships made special arrangements transport teams model boxes no charge saving CL team fund hundreds dollars excess baggage cargo costs KLMs help arranged behalf AMA Royal Netherlands Aeronautical Associa tions Department Aeromodelling FULL-SIZE PLANS No 160 Mariha$350 RC Scale sailplaneand no harder build typical soarers No 161 Sunday Sportster$250 RC rudder-only Uses Ace foam wing Design Ken Willard 049 No 162 Sno-Bird$400 Standout Nordic A/2 Jim Walters light thermal conditions No163 Tiger Moth$175 Documentation outline drawing scale plan 13 span No 100 Hinnants F-B ultimate maneuverability smoothness 60 Pattern lob has $450 No 101 Short Seamew 40-powered Class Carrier model good prototype lends itself innovations $300 No 102 French Wench Free Flight Classes 1 /2A 049 051 fully tested design $225 No 103 Kloud King 15-19 RC Old-TimerFree Flight based upoq 1938 record breaker FF $400 No 104 Wiley Post Biplane Petite durable scale design either rubber tail wagger pulse rudderlS225 No 105 Harold Ruarks Sportsman RC cabin job pretty smooth lines 40 powered full-house $450 No 107 Aeronca K 24 wingspan rubber Indoor Scale old-time lighsplane Its done 90 seconds $200 No 108 Electric Couldnt done Dick Sarpolus Astro 25 RC job performs patterns $375 No 109 Bill Fuoris Quarter Midget House Balsa design modifications faster times $300 No 110 Zipper latest CL Scale Racers JohnKilsdonk icb must racing fans $175 No 111 Max-a-Million fleet free flights problem good A/B FAI $375 No 112 Sneat Sport RC glider simple job can flown engine $275 No 114 Ernie Violests DH comet CL Scale 1974 Nats first-place winner classic twin $900 No 117 Novice simple beginners A-i Nordic constructed entirely sheet balsa $150 No 118 GollyGaeWhiz Dan Rutherfords simple Half-A powered Combat lob turns dime $150 No 119 Four Beginners Too basic RC trainer 09 to1 5s rudder elevator motor controls $300 No 120 cathexis Dave Parsons FAI FF has auto-elevator rudder prop brake $450 No 121 Gremlin Sturdy acrobatic RC biplane flies well 35s up 60s $300 No 123 4-Bits 4O-powered RC 500 Club Racer has winning ways Good sport too $400 No 124 Semi-Pro Contest-winning HL glider has pop-up tail dethermalizer $100 No125 HaIf-Korda rubberJohn Oldenkamps 1/2-size all-balsa Old-Timer $175 No 125 Hooptee Mk Ill John Kilsdonks CL Rat Racer involves latest state-of-the-art $175 No 127 BAC Drone Astro-lO electric-powered 80 scale AC powered Glider $400 No 129 Rebel update famed deBolt RC kit Rudder/Elevator/Enginefor 1 5s $275 No 130 AltajrClass A-B Free Flight conversion data other classes $400 No 131 Gee Bee Model Y 40-powered RC stand-off scale great old-time racers $500 No 134 callisto superb Standard Class AC sailplane also took Nets first $400 No 135 Hyperion Mk V Don Chanceys classic Nordic A-2 competed US team $275 No 136 Fmeseler Storch AC scale model 23-45 5-channel has both slots flaps $400 No 137 Ambivalent AC assist FF 29-35 2 chan. can converted sport $400 No 138 candle Wind Half-A free flight competition type offers looks performance $300 No139 Jaguar FAI 15 Combatbyan Englishchampoffersdifferentconfiguration $225 No 140 Nieuport Monoplane Another Hannan cutie CO2 indoor/outdoor Brown single twin $150 No 141 Blackburn Monoplane AC Scale rendition history-maker wheels floats 40 engine $450 No 142 Eagle CL holder Sr 1/2A Proto Speed records Uses Con 049 $175 No 143 Sweepo rubber winning Coupe dHivercan also flown Unlimited $275 No 144 Shark AC conversion JETCO Shark coupled flaps elevators45-60 $525 No 145 Japanese Myrt CL Carrier Class II model has estremely clean design Rossi 60 $275 No 146 QuickSilver AC 1/2A Pylon Racer incorporates latest techniques $200 No 147 B-i AC 15 USAF bomber full house Ace foam wings Stable $275 No 145 BumbleBee Mk II Foam wing AMA fast-combat saves time cost $450 No 149 Comedian AC fun-fly acrobatic biplane good looker 40 60 $400 No 150 Cardinal Sinner CL stunser 35 engines Detroiter type Very competitive $375 No 151 Nesmith Cougar FF rubber scale 30-in span Excellent design long flights $300 No 152 Fox AC assist FF version 1940 Old-Timer 19 ignition 09 glow $425 No 153 Cerberus AC 60-powered Pattern job retracts advanced features $475 No 154 MJ2 Tempete ci scale model famous homebuils motor control sport 25 $350 No 155 Tellipsoar AC Standard Class sailplane wins stand-out performance $1000 No 156 Free Spirit FF Classes A&B combines excellent power/glide performance $400 No157 1935 Wakefield Winner rubber power top job its day will delight old-timer $275 No 158 Flying Flag Fran McElwees 60-powered AC saucer Show Teams sport $675 No 159 Tercel Keith Trostles 1/2A CL Stunt ship flies excellent pattern $200 Circle numbers plans wish order100101102103 104105106107108109110111 112114115117118119120121 123124125126127129130131 134135136137138139141142 151152153154155156157158 159160161162163Enclosed$___________ NAME STREET CITY STATE ZIP Price includes first-class postage Send check money order payable ModelAviation AMA 815 Fifteenth St. NW. Washington DC 20005 October1976 95 Sigs Unique Handle/Wrapper
Edition: Model Aviation - 1976/10
Page Numbers: 16, 17, 18, 19, 94, 95
On July 7-1 1 27 nations met Utrecht Netherlands have out Speed Team Race Aerobatics Text Photos Charlie Johnson Contro Wor d Chomponshps THE Royal Netherlands Aeronautical As sociation organizer years World Championships Individuals teams compete within three categories F2A Speed F2B Aerobatics F2C Team Race Entrants country compete individual well team basis Qualification team selection var ies country country does size team maximum three twoGetting ready another run Speed flier Bob Spohr assymmetrical job Schuette took secondour top placesays Bob faster didnt put altogether extra miles per hour man Team Race teams three Aerobatic pilots three Speed pilots permitted per nation Reigning Champions have qualify team spot per mitted enter own team prizes based performances three regular team members National sponsorship also varies some coun tries paying entire expenses team few cases individual pays everything himself Twenty-seven na tions represented year en tries far away South Africa Australia Brazil Aerobatics team Egypt Utrecht site permanent en closed clubhouse has three circles two caged circles Team Race Speed third Aerobatics also has model race car track snake through Team Race circle has timing tower equipment jury light boards display number laps team fouls numbers contestants following heats Speed both mechan ically electronically timed speed posted light board following run set red green lights informed pilot pit crew official timing taking place Aerobatics circle P1Name Country 1McDonald USA 2Werwage USA 3Gieske USA 4Billan France 5Gabris Chzoc 6Schaff USA 7Campostella Italy 8van Hiat Nether 9Rossi Italy 10Cani Chzec 11SasakiJapan 12Cappi Italy 13Hara Japan 14Tindall England 15Eskildion Denmark 16Lavaletto France Piece 7-00-76 4 2742 2 2812 1 2582 5 2689 9 2667 7 2681 15 2485 3 2768 6 2687 10 2634 8 2676 112616 17 2388 13 2520 12 2609 14 2512 Place 1-1 0-76 3 2860 2 2871 1 2879 9 2724 4 2810 6 2745 5 2767 ID 2713 9 2726 112703 17 2568 7 2727 13 2640 12 2694 14 2622 15 2604 Bone Score Finals 1st fIt2nd fIt 29502950 29312882 28672864 29722896 28782746 25482926 28892887 2866 2814____ 27742815 2726 2765 27862746 24962691 27172652 Total 5810 5802 5746 5696 5688 5671 5656 5634 5548 5518 5515 5492 5426 5385 5339 Far left USA team membersSpeed TR Aerobatics US took first three places 6th Aerobatics 2nd Speed did well TR results text Middle left Mo ment gloryLes McDonald winner Aero batics Left Turning fastest official time everS mm 9 sec 200-lap finalwas Russian team Barkov-Suraev Right Start final TR Russian team com ing first pitnote grouper near handle Russians cleanest fliers entire meet could fly kind traffic fouling Swedish team suspenders 6 ft 6 in. obstruction Danish team shattered wing first pit stop laid out well although model car race course made area look cluttered Nothing sophisticated judging flight patterns just five hard working jury mem bers crowded under umbrella Wednesday July 7th first offi cial day WC set aside registration Thursday training processing day overyone chance put some practice although some pre ferred privacy alternate training site things could sorted out noted during processing 7cc tank limit Team Race varied country country re ported Russians won oversize tank contest record 74cc Because elaborate filling systems some tanks 2cc factor added filler valve assembly measur able Right Voted worlds best TR pilots Englands Derek Heaton ready tan gle Russians Plaunts Given chance win team engine go sour Aerobatics Speed ran very smoothly times ahead schedule Team Race two pro tests before flying started Both proxy flying centered around Clarkson/Daly team proxy fly ing New Zealand entry Barnes/Brown allowed other Enrico Flores legally Italian mar ried Dutch girl proxy flying member Dutch Team Although allowed fly heats quali fied 405 allowed participate semi rounds Flores well Dutch team very unhappy did qualify under current FAI rules F2B Aerobatics After first round Friday ap parent Aerobatic pilots first place would go American just question Below sum mary scores three days com petition contestants given two preliminary quali1iing attempts highest 15 getting two flights Sunday final score determined adding highest qualifying flight either Fri day Saturday best score Sunday majority fliers scored highest during second pattern Saturday first pattern Sunday Also observe 8 points separates first two places two 2950 patterns turned Mc Donald Sunday Below sample scores five jury members num ber end range between highest lowest score since three middle scores used No top 15 narrower range did Bill Werwage range between high low some contestants down list over 240 points As can see Gieskes range 108 points five judges taken total 44 points counting middle three scores used total October1976 17 Below Two masters Bob Gieske left Bill Werwage 3rd 2nd respectively Aerobatics Bob competed individual score didnt count winning team score Left The timing tower light boards foul lights note 2nd foul middle teamyellow Boom Speed timing background ABC0E 9551008940900984 942959970918988 9439119689491010 9438749229451029 910917856940102B 842997888883974 922921829884953 896887923907989 868989820924932 896988865894923 893845833965979 886876932841952 773940839881982 922845847853986 883929859825882 Total 2879 2871 2860 2810 2767 2745 2727 2726 2724 2713 2703 2694 2640 2622 2604 Range 108 70 99 155 170 155 124 102 169 123 146 111 209 141 104 Key jury members AC v Ommeren Netherlands BP Soaliac France CB Gialdini USA DZ Liska Crec EM Harvey Britain CL World Champs flight Giving jury what want see big part Aerobatics style important mechanically per forming maneuvers United States easily took Aerobatics Team prize since theyd taken first second sixth places Gieskes third didnt count toward USA award F2A Speed Speed very straight-forward event since no subjective evaluation Aerobatics also frustrating Getting 25cc piped alky burners running right some times cause Excedrin headache number 200 best Speed merchants world hand championship Rumors spread both Italians Germans turning times 260-270 kilometer-per-hour range Grouped lines banned news electricallycharged lines means grouping prompted several countries prepare pro tests advance None sophisticated gadgets materialized did ultra-fast times Emil Rumpel stole show very fast 252-kph run Chuck Schu ette close behind 247 kph fol lowed several other contestants within couple kph top runners used asymmet rical designs long inboard wing either no wing outboard side just little stub Emil Rumpels about three feet long needing heavy wooden cover keep being dam aged being flown Apparently ultra-thin wing cleaner ex posed lines Austrians also Left Americas best hope TR Jed Kusik re leases model first heat4OS fast time morning Team looked good against stiff est opposition Made semi-finals Above electronic timing setup Speed Both manual electronic timing used double check Notice sturdy cage Name Country Ijieske USA Wewage USA McDonald USA Garis Cznc Compostella Italy Schaffer USA Cappi Italy Rossi Italy Billon France v d Hoot Netherlands Cani Czec Tindall Britain Hare Japan Eskildnen Oenaark ljvelettn France Above Jim Sue Pleunt put up whale fight Russian English teams turning respectable 421 Sue female en trant possibly first female pit-person too super long wing spar caused spectacular bow flight Below summary officially timed flights three-day period P1 Name Country 1 Rumpel W Germany 2 Schuelte USA 3 Ricci Italy 4 Baser Netherlands 5 Spalir USA 6 Leozen W Germany 7 Schmidt W Germany 8 Baidalinov USSR 9 Dodge USA 10 Pacheco Spain 11 Halman England 12 Enfroy France 13 Dusi Italy 14 Maslenkin USSR 15 Rachwal Poland 2477 2469 2460 2430 2381 2306 2356 2348 2327 2321 2342 2337 2337 2529 2472 2404 2321 2285 2330 2376 2162 2324 2346 2343 2203 2450 2331 2408 1984 2406 2325 2112 2285 2290 2325 Chuck Schuette turned time Fri day suffer through two days bubble waiting someone turn really fast run same time trying improve speed enough beat Rumpel Superior pitwork three American team members aided team manager Laird Jackson enabled put least two flights per four-minute time period As long pilot doesnt put handle pylon con sidered official attempt may make another attempt during time slot wait reflight later day feels things arent going fast enough super pitwork put Schuette back up another try Saturday after much tuning ground lot footwork get model pipe unfor tunately ran out fuel about lap eight though West Germans took team prize members USA team felt theyd done well equipment would allow Carl Dodge summed up thats fast goes F2C Team Race Team Race really its ups downs year far protests jury problems concerned thing up swing performance took quicker 410 make semi rounds faster lot ex perts predicted problem protests really didnt affect final outcome except kept very fast Left The beauty retract-gear Russian TR model Average speed around 108 mph gear 3 mph slower gear down Heaton/ Ross England also retracting gear beautiful Onufrienko-Shapovalov team racer Russia similar appearance Dunkin-Wright model weighed around 15 ozs Dutch team Flores/v d Voort out contention Friday morning heats began determine nine quickest teams semi rounds Thirty-six teams sched uled fly morning hours lunch break 15 disqualified 7 awarded reflights 5 received no time 9 teams received times Ameri can team Jolly/Kusik among luckier ones posted very quick 408 heat would stand fast time until Russians turned 400 Kras norutski/Kramarenko afternoon What very strict jury suddenly turned mellow letting pass some very fla grant violations competitors werent necessarily upset jury strict rather wasnt consistent its rulings fouled out very quickly during morning heats some less 20 laps yet afternoon some names got away thing liked Jim Sue Plaunt ran very good race against Russian team Maslov/ Efremov Britains Heaton/Ross Britains disqualified whipping midway through American pair able stay within lap Rus snons until very end lapped again faster Russians Dunkin/Wright disqualified Fri day high flying little cautious continu ed page 94 October1976 19 Left Chuck Schuette getting Speed Heres 247-kph run just now getting pipe Takes good arm Speed Mary Schuette dads model Loyal root er clocked opposition times before electronic clocks did Stearman C3BGEHERALTb 9 sopt /READY OR N W NWE________ DO GEGN SNOBDA 35 RBIOSOON.04S POWERFOR RADIO CONTROL OR FREE FLIGHT00010 POWES C SIT OF NOSTALGIA FOR 0000 CORONAL UF TO THREE CHANNELSONE OF THE GOLDEN ERAS AREATEST AIRCRAFTGAo 0 oDLIGHT TO BUILD HISTORO BAXEN flOOBE WORLD N N~SONS AMERICAN FOWEB FORV PIPIR Cl/i N 01 CONTROL UP TO OTHEE SO WINGSPAN 000 POWER FOR FREE 9N SNELS TRUE CLASSIC A15 FLIWOD OR R*01D CONTROL E1OOt0BLO FROG THE GOLDEN CR0 7FOR CDNTRCL UNITS CAN BE FLORN PSEE FLIHOT OS POWER ON RUBBEROS DIRECT ORDERS ADD lOX FAN TACKING ANDFLY LINE MODELS BOOR D0E 00 RESICESOC ADD Ha ODD SEE YOUR LOCAL HOBBY DEALER0643 ASHBY PL PAIREAX VA22030 FF Duration/Meuser continued page 43 ing liquid onto wood Let dry sand apply coats urethane varnish Let dry wet sand Alterna tively styrofoam can dipped dope thinner immediately rubbed wood styrofoam film suppose polystyrene film eb chemists hard tough urethane varnish gives relatively chemically impervious barrier almost paint resin coating may applied Enamelthe exception know ofdoesnt adhere very well No shrinkage man says Other Hints Tips Again Squire Openshaw AAEthanol excellent raising grain balsa dries quickly caused practically no warpage might try methanol too per haps water-alcohol mix such rubbing alcohol Vodka ADWaterdiluted White Magic vinyl floor polish seems promising sealant Japanese tissue would have thought Bob Meuser 4200 Gregory St Oak land CA 94619 ADVERTISERS INDEX Ace Radio Control Inc79 Andrews Aircraft Model Co89 David Andrews CoCover 2 Cox Hobbies4849 96 Cover 3 Cumberland Press86 Du-Bro Products Inc85 EK-logictrol87 Flyline Models94 Carl Goldberg Models20 Grish Brothers92 Peck-Polymers81 Progress Mfg Company91 RCBuyersGuide93 RSSystems81 SC Modeler Hobby Shop83 Sig Mfg Company1 Sterling Models Inc90 VI Products86 Williams Brothers91 World EnginesBack Cover CL Navy Carrier/Perry continued page 35 between wing flap cause higher-pressure air bend airflow around upper surface flaps increase effectiveness part such flaps suited Carrier models because too heavy too complicated too critical design provide small improve ment over much simpler plain flaps split flaps lend themselves very well modeling applications plain flap commonly used flap design Carrier models made cutting off last 20% airfoil section mounting hinges sheet flaps common Stunt models also plain flaps Plain flaps usually used Carrier models prototype aircraft employed slotted flaps Fowler flaps some other type complicated motions Plain flaps ap propriate time flap outlines visible upper surface wing flap/ wing separation can canted upper wing surface extended thin plywood cases separation lines top bottom wing slightly different positions slotted flap installations Split flaps used carrier aircraft among Grumman Avenger Wildcat Douglas Daunt less Devastator North Amer ican Texan trained Navy pilots split flap made hinging bottom surface wing trailing edge split flap deflected upper surface wing does move Plain flaps split flaps have very simi lar effects lift drag given airfoil plain flaps tend have slightly drag split flaps no real advantage using either type thin trailing edge flap sections split flaps can cause some warping problems dope used finishing nonshrinking finish can used eliminate problem have heard some disturbing reports some builders enlarging split flaps well yond proper scale outlines claiming legality because flaps visible top view wing Besides being obvious violation intent rule see being hidden exempts flaps requirement scale topview outlines stated rule bonus points Ignoring flap outlines hid den top view equivalent saying Guardian doesnt need right auxiliary vertical stabilizer because visible left side view submitted scale verification Whatever personal interpretation legality enlarged split flaps let discourage attempting such installation another reasonthey dont work Split flaps larger about 20% wing chord increase maximum lift coefficient thin sec tions used Carrier models fact 10% thick wing large flap actually less effective small About added enlarging split flaps beyond proper scale dimensions weight Once rush Nats preparations has passed plan run product evaluations Fox Profile Carrier Special engine G-S Products Bearcat Kit Pro file Carrier have number en quiries both products Richard L Perry 5016 ngelita Ave Dayton OH 45424 CL World Champs/Johnson continued page 19 second round Everything looked OK qualifying shot motor ADcookedS bit during some heavy traffic motor became balky pit required extra dose flipping third American team Jolly/Kusik couldnt improve first-round time fact having trouble flight past year split fuel line caused engine sputter cause run-in final very exciting though Danish team broke model first pit Russian pilot used two fouls whip over Swedish team proved enough margin pull out win race close trailing another past segment lap counting lights flashed same instant Later banquet found out Larsson-Rylins engine oversize tiny amount Rossi 15s come oversize factory happened un fortunately disqualified cause fast heat time third place award given Russian team Onufrienko-Shapovalov 402 heat time Austrians awarded prize top team Team Race basis fast heat times 94 Model Aviation Semi-final rounds Larssnn-Rylin Bugi-Straniak Barkev-Seraev Onufrienke-Shapavalne Krasnaretski-Kramarenka Petersen-Geschwendtner Maslne-Efremee Jally-Kusik Fantana-Amadia Fentana-Amodin Dnufrienko-Shapnealsv Jelly-Kasik Petersen-Geschwendtner Barkne-Suraee Larssen-Rylin Masloy-Ef reman Bugi-Straniak 2nd Petersen Geschwendter Disq. Larstan-Rylin 1st Barkse-Suraev 3rd Onofrienke Sltapsealon Sweden4152 Austriadisq USSR4074 USSR4377 USSRdisq oversize tank Denmark3567 fast time af meet USSR4137 USA4247 Italy4142 Second semi-final Italy USSR USA Denmark USSR Sweden USSR Austria disq 42 17 4290 75/retired 4059 4024 69/retired 4094 FINAL DenmarkBrake first pit Sweden8106 later disq far eversize engine USSR8092 USSR402 heat part very wellrun World Championships few minor things did happen either beyond control organizers quickly taken care Unfortunately enough unhappiness Racing segment entire racing jury replaced semi final races difficult deci sion proved best end World Championships 1976 will remembered fast times good patterns five days well spent Thanks KLM RNAA teams travel Europe aided especially good service KLM Airlines KLM official airline CL World Championships made special arrangements transport teams model boxes no charge saving CL team fund hundreds dollars excess baggage cargo costs KLMs help arranged behalf AMA Royal Netherlands Aeronautical Associa tions Department Aeromodelling FULL-SIZE PLANS No 160 Mariha$350 RC Scale sailplaneand no harder build typical soarers No 161 Sunday Sportster$250 RC rudder-only Uses Ace foam wing Design Ken Willard 049 No 162 Sno-Bird$400 Standout Nordic A/2 Jim Walters light thermal conditions No163 Tiger Moth$175 Documentation outline drawing scale plan 13 span No 100 Hinnants F-B ultimate maneuverability smoothness 60 Pattern lob has $450 No 101 Short Seamew 40-powered Class Carrier model good prototype lends itself innovations $300 No 102 French Wench Free Flight Classes 1 /2A 049 051 fully tested design $225 No 103 Kloud King 15-19 RC Old-TimerFree Flight based upoq 1938 record breaker FF $400 No 104 Wiley Post Biplane Petite durable scale design either rubber tail wagger pulse rudderlS225 No 105 Harold Ruarks Sportsman RC cabin job pretty smooth lines 40 powered full-house $450 No 107 Aeronca K 24 wingspan rubber Indoor Scale old-time lighsplane Its done 90 seconds $200 No 108 Electric Couldnt done Dick Sarpolus Astro 25 RC job performs patterns $375 No 109 Bill Fuoris Quarter Midget House Balsa design modifications faster times $300 No 110 Zipper latest CL Scale Racers JohnKilsdonk icb must racing fans $175 No 111 Max-a-Million fleet free flights problem good A/B FAI $375 No 112 Sneat Sport RC glider simple job can flown engine $275 No 114 Ernie Violests DH comet CL Scale 1974 Nats first-place winner classic twin $900 No 117 Novice simple beginners A-i Nordic constructed entirely sheet balsa $150 No 118 GollyGaeWhiz Dan Rutherfords simple Half-A powered Combat lob turns dime $150 No 119 Four Beginners Too basic RC trainer 09 to1 5s rudder elevator motor controls $300 No 120 cathexis Dave Parsons FAI FF has auto-elevator rudder prop brake $450 No 121 Gremlin Sturdy acrobatic RC biplane flies well 35s up 60s $300 No 123 4-Bits 4O-powered RC 500 Club Racer has winning ways Good sport too $400 No 124 Semi-Pro Contest-winning HL glider has pop-up tail dethermalizer $100 No125 HaIf-Korda rubberJohn Oldenkamps 1/2-size all-balsa Old-Timer $175 No 125 Hooptee Mk Ill John Kilsdonks CL Rat Racer involves latest state-of-the-art $175 No 127 BAC Drone Astro-lO electric-powered 80 scale AC powered Glider $400 No 129 Rebel update famed deBolt RC kit Rudder/Elevator/Enginefor 1 5s $275 No 130 AltajrClass A-B Free Flight conversion data other classes $400 No 131 Gee Bee Model Y 40-powered RC stand-off scale great old-time racers $500 No 134 callisto superb Standard Class AC sailplane also took Nets first $400 No 135 Hyperion Mk V Don Chanceys classic Nordic A-2 competed US team $275 No 136 Fmeseler Storch AC scale model 23-45 5-channel has both slots flaps $400 No 137 Ambivalent AC assist FF 29-35 2 chan. can converted sport $400 No 138 candle Wind Half-A free flight competition type offers looks performance $300 No139 Jaguar FAI 15 Combatbyan Englishchampoffersdifferentconfiguration $225 No 140 Nieuport Monoplane Another Hannan cutie CO2 indoor/outdoor Brown single twin $150 No 141 Blackburn Monoplane AC Scale rendition history-maker wheels floats 40 engine $450 No 142 Eagle CL holder Sr 1/2A Proto Speed records Uses Con 049 $175 No 143 Sweepo rubber winning Coupe dHivercan also flown Unlimited $275 No 144 Shark AC conversion JETCO Shark coupled flaps elevators45-60 $525 No 145 Japanese Myrt CL Carrier Class II model has estremely clean design Rossi 60 $275 No 146 QuickSilver AC 1/2A Pylon Racer incorporates latest techniques $200 No 147 B-i AC 15 USAF bomber full house Ace foam wings Stable $275 No 145 BumbleBee Mk II Foam wing AMA fast-combat saves time cost $450 No 149 Comedian AC fun-fly acrobatic biplane good looker 40 60 $400 No 150 Cardinal Sinner CL stunser 35 engines Detroiter type Very competitive $375 No 151 Nesmith Cougar FF rubber scale 30-in span Excellent design long flights $300 No 152 Fox AC assist FF version 1940 Old-Timer 19 ignition 09 glow $425 No 153 Cerberus AC 60-powered Pattern job retracts advanced features $475 No 154 MJ2 Tempete ci scale model famous homebuils motor control sport 25 $350 No 155 Tellipsoar AC Standard Class sailplane wins stand-out performance $1000 No 156 Free Spirit FF Classes A&B combines excellent power/glide performance $400 No157 1935 Wakefield Winner rubber power top job its day will delight old-timer $275 No 158 Flying Flag Fran McElwees 60-powered AC saucer Show Teams sport $675 No 159 Tercel Keith Trostles 1/2A CL Stunt ship flies excellent pattern $200 Circle numbers plans wish order100101102103 104105106107108109110111 112114115117118119120121 123124125126127129130131 134135136137138139141142 151152153154155156157158 159160161162163Enclosed$___________ NAME STREET CITY STATE ZIP Price includes first-class postage Send check money order payable ModelAviation AMA 815 Fifteenth St. NW. Washington DC 20005 October1976 95 Sigs Unique Handle/Wrapper
Edition: Model Aviation - 1976/10
Page Numbers: 16, 17, 18, 19, 94, 95
On July 7-1 1 27 nations met Utrecht Netherlands have out Speed Team Race Aerobatics Text Photos Charlie Johnson Contro Wor d Chomponshps THE Royal Netherlands Aeronautical As sociation organizer years World Championships Individuals teams compete within three categories F2A Speed F2B Aerobatics F2C Team Race Entrants country compete individual well team basis Qualification team selection var ies country country does size team maximum three twoGetting ready another run Speed flier Bob Spohr assymmetrical job Schuette took secondour top placesays Bob faster didnt put altogether extra miles per hour man Team Race teams three Aerobatic pilots three Speed pilots permitted per nation Reigning Champions have qualify team spot per mitted enter own team prizes based performances three regular team members National sponsorship also varies some coun tries paying entire expenses team few cases individual pays everything himself Twenty-seven na tions represented year en tries far away South Africa Australia Brazil Aerobatics team Egypt Utrecht site permanent en closed clubhouse has three circles two caged circles Team Race Speed third Aerobatics also has model race car track snake through Team Race circle has timing tower equipment jury light boards display number laps team fouls numbers contestants following heats Speed both mechan ically electronically timed speed posted light board following run set red green lights informed pilot pit crew official timing taking place Aerobatics circle P1Name Country 1McDonald USA 2Werwage USA 3Gieske USA 4Billan France 5Gabris Chzoc 6Schaff USA 7Campostella Italy 8van Hiat Nether 9Rossi Italy 10Cani Chzec 11SasakiJapan 12Cappi Italy 13Hara Japan 14Tindall England 15Eskildion Denmark 16Lavaletto France Piece 7-00-76 4 2742 2 2812 1 2582 5 2689 9 2667 7 2681 15 2485 3 2768 6 2687 10 2634 8 2676 112616 17 2388 13 2520 12 2609 14 2512 Place 1-1 0-76 3 2860 2 2871 1 2879 9 2724 4 2810 6 2745 5 2767 ID 2713 9 2726 112703 17 2568 7 2727 13 2640 12 2694 14 2622 15 2604 Bone Score Finals 1st fIt2nd fIt 29502950 29312882 28672864 29722896 28782746 25482926 28892887 2866 2814____ 27742815 2726 2765 27862746 24962691 27172652 Total 5810 5802 5746 5696 5688 5671 5656 5634 5548 5518 5515 5492 5426 5385 5339 Far left USA team membersSpeed TR Aerobatics US took first three places 6th Aerobatics 2nd Speed did well TR results text Middle left Mo ment gloryLes McDonald winner Aero batics Left Turning fastest official time everS mm 9 sec 200-lap finalwas Russian team Barkov-Suraev Right Start final TR Russian team com ing first pitnote grouper near handle Russians cleanest fliers entire meet could fly kind traffic fouling Swedish team suspenders 6 ft 6 in. obstruction Danish team shattered wing first pit stop laid out well although model car race course made area look cluttered Nothing sophisticated judging flight patterns just five hard working jury mem bers crowded under umbrella Wednesday July 7th first offi cial day WC set aside registration Thursday training processing day overyone chance put some practice although some pre ferred privacy alternate training site things could sorted out noted during processing 7cc tank limit Team Race varied country country re ported Russians won oversize tank contest record 74cc Because elaborate filling systems some tanks 2cc factor added filler valve assembly measur able Right Voted worlds best TR pilots Englands Derek Heaton ready tan gle Russians Plaunts Given chance win team engine go sour Aerobatics Speed ran very smoothly times ahead schedule Team Race two pro tests before flying started Both proxy flying centered around Clarkson/Daly team proxy fly ing New Zealand entry Barnes/Brown allowed other Enrico Flores legally Italian mar ried Dutch girl proxy flying member Dutch Team Although allowed fly heats quali fied 405 allowed participate semi rounds Flores well Dutch team very unhappy did qualify under current FAI rules F2B Aerobatics After first round Friday ap parent Aerobatic pilots first place would go American just question Below sum mary scores three days com petition contestants given two preliminary quali1iing attempts highest 15 getting two flights Sunday final score determined adding highest qualifying flight either Fri day Saturday best score Sunday majority fliers scored highest during second pattern Saturday first pattern Sunday Also observe 8 points separates first two places two 2950 patterns turned Mc Donald Sunday Below sample scores five jury members num ber end range between highest lowest score since three middle scores used No top 15 narrower range did Bill Werwage range between high low some contestants down list over 240 points As can see Gieskes range 108 points five judges taken total 44 points counting middle three scores used total October1976 17 Below Two masters Bob Gieske left Bill Werwage 3rd 2nd respectively Aerobatics Bob competed individual score didnt count winning team score Left The timing tower light boards foul lights note 2nd foul middle teamyellow Boom Speed timing background ABC0E 9551008940900984 942959970918988 9439119689491010 9438749229451029 910917856940102B 842997888883974 922921829884953 896887923907989 868989820924932 896988865894923 893845833965979 886876932841952 773940839881982 922845847853986 883929859825882 Total 2879 2871 2860 2810 2767 2745 2727 2726 2724 2713 2703 2694 2640 2622 2604 Range 108 70 99 155 170 155 124 102 169 123 146 111 209 141 104 Key jury members AC v Ommeren Netherlands BP Soaliac France CB Gialdini USA DZ Liska Crec EM Harvey Britain CL World Champs flight Giving jury what want see big part Aerobatics style important mechanically per forming maneuvers United States easily took Aerobatics Team prize since theyd taken first second sixth places Gieskes third didnt count toward USA award F2A Speed Speed very straight-forward event since no subjective evaluation Aerobatics also frustrating Getting 25cc piped alky burners running right some times cause Excedrin headache number 200 best Speed merchants world hand championship Rumors spread both Italians Germans turning times 260-270 kilometer-per-hour range Grouped lines banned news electricallycharged lines means grouping prompted several countries prepare pro tests advance None sophisticated gadgets materialized did ultra-fast times Emil Rumpel stole show very fast 252-kph run Chuck Schu ette close behind 247 kph fol lowed several other contestants within couple kph top runners used asymmet rical designs long inboard wing either no wing outboard side just little stub Emil Rumpels about three feet long needing heavy wooden cover keep being dam aged being flown Apparently ultra-thin wing cleaner ex posed lines Austrians also Left Americas best hope TR Jed Kusik re leases model first heat4OS fast time morning Team looked good against stiff est opposition Made semi-finals Above electronic timing setup Speed Both manual electronic timing used double check Notice sturdy cage Name Country Ijieske USA Wewage USA McDonald USA Garis Cznc Compostella Italy Schaffer USA Cappi Italy Rossi Italy Billon France v d Hoot Netherlands Cani Czec Tindall Britain Hare Japan Eskildnen Oenaark ljvelettn France Above Jim Sue Pleunt put up whale fight Russian English teams turning respectable 421 Sue female en trant possibly first female pit-person too super long wing spar caused spectacular bow flight Below summary officially timed flights three-day period P1 Name Country 1 Rumpel W Germany 2 Schuelte USA 3 Ricci Italy 4 Baser Netherlands 5 Spalir USA 6 Leozen W Germany 7 Schmidt W Germany 8 Baidalinov USSR 9 Dodge USA 10 Pacheco Spain 11 Halman England 12 Enfroy France 13 Dusi Italy 14 Maslenkin USSR 15 Rachwal Poland 2477 2469 2460 2430 2381 2306 2356 2348 2327 2321 2342 2337 2337 2529 2472 2404 2321 2285 2330 2376 2162 2324 2346 2343 2203 2450 2331 2408 1984 2406 2325 2112 2285 2290 2325 Chuck Schuette turned time Fri day suffer through two days bubble waiting someone turn really fast run same time trying improve speed enough beat Rumpel Superior pitwork three American team members aided team manager Laird Jackson enabled put least two flights per four-minute time period As long pilot doesnt put handle pylon con sidered official attempt may make another attempt during time slot wait reflight later day feels things arent going fast enough super pitwork put Schuette back up another try Saturday after much tuning ground lot footwork get model pipe unfor tunately ran out fuel about lap eight though West Germans took team prize members USA team felt theyd done well equipment would allow Carl Dodge summed up thats fast goes F2C Team Race Team Race really its ups downs year far protests jury problems concerned thing up swing performance took quicker 410 make semi rounds faster lot ex perts predicted problem protests really didnt affect final outcome except kept very fast Left The beauty retract-gear Russian TR model Average speed around 108 mph gear 3 mph slower gear down Heaton/ Ross England also retracting gear beautiful Onufrienko-Shapovalov team racer Russia similar appearance Dunkin-Wright model weighed around 15 ozs Dutch team Flores/v d Voort out contention Friday morning heats began determine nine quickest teams semi rounds Thirty-six teams sched uled fly morning hours lunch break 15 disqualified 7 awarded reflights 5 received no time 9 teams received times Ameri can team Jolly/Kusik among luckier ones posted very quick 408 heat would stand fast time until Russians turned 400 Kras norutski/Kramarenko afternoon What very strict jury suddenly turned mellow letting pass some very fla grant violations competitors werent necessarily upset jury strict rather wasnt consistent its rulings fouled out very quickly during morning heats some less 20 laps yet afternoon some names got away thing liked Jim Sue Plaunt ran very good race against Russian team Maslov/ Efremov Britains Heaton/Ross Britains disqualified whipping midway through American pair able stay within lap Rus snons until very end lapped again faster Russians Dunkin/Wright disqualified Fri day high flying little cautious continu ed page 94 October1976 19 Left Chuck Schuette getting Speed Heres 247-kph run just now getting pipe Takes good arm Speed Mary Schuette dads model Loyal root er clocked opposition times before electronic clocks did Stearman C3BGEHERALTb 9 sopt /READY OR N W NWE________ DO GEGN SNOBDA 35 RBIOSOON.04S POWERFOR RADIO CONTROL OR FREE FLIGHT00010 POWES C SIT OF NOSTALGIA FOR 0000 CORONAL UF TO THREE CHANNELSONE OF THE GOLDEN ERAS AREATEST AIRCRAFTGAo 0 oDLIGHT TO BUILD HISTORO BAXEN flOOBE WORLD N N~SONS AMERICAN FOWEB FORV PIPIR Cl/i N 01 CONTROL UP TO OTHEE SO WINGSPAN 000 POWER FOR FREE 9N SNELS TRUE CLASSIC A15 FLIWOD OR R*01D CONTROL E1OOt0BLO FROG THE GOLDEN CR0 7FOR CDNTRCL UNITS CAN BE FLORN PSEE FLIHOT OS POWER ON RUBBEROS DIRECT ORDERS ADD lOX FAN TACKING ANDFLY LINE MODELS BOOR D0E 00 RESICESOC ADD Ha ODD SEE YOUR LOCAL HOBBY DEALER0643 ASHBY PL PAIREAX VA22030 FF Duration/Meuser continued page 43 ing liquid onto wood Let dry sand apply coats urethane varnish Let dry wet sand Alterna tively styrofoam can dipped dope thinner immediately rubbed wood styrofoam film suppose polystyrene film eb chemists hard tough urethane varnish gives relatively chemically impervious barrier almost paint resin coating may applied Enamelthe exception know ofdoesnt adhere very well No shrinkage man says Other Hints Tips Again Squire Openshaw AAEthanol excellent raising grain balsa dries quickly caused practically no warpage might try methanol too per haps water-alcohol mix such rubbing alcohol Vodka ADWaterdiluted White Magic vinyl floor polish seems promising sealant Japanese tissue would have thought Bob Meuser 4200 Gregory St Oak land CA 94619 ADVERTISERS INDEX Ace Radio Control Inc79 Andrews Aircraft Model Co89 David Andrews CoCover 2 Cox Hobbies4849 96 Cover 3 Cumberland Press86 Du-Bro Products Inc85 EK-logictrol87 Flyline Models94 Carl Goldberg Models20 Grish Brothers92 Peck-Polymers81 Progress Mfg Company91 RCBuyersGuide93 RSSystems81 SC Modeler Hobby Shop83 Sig Mfg Company1 Sterling Models Inc90 VI Products86 Williams Brothers91 World EnginesBack Cover CL Navy Carrier/Perry continued page 35 between wing flap cause higher-pressure air bend airflow around upper surface flaps increase effectiveness part such flaps suited Carrier models because too heavy too complicated too critical design provide small improve ment over much simpler plain flaps split flaps lend themselves very well modeling applications plain flap commonly used flap design Carrier models made cutting off last 20% airfoil section mounting hinges sheet flaps common Stunt models also plain flaps Plain flaps usually used Carrier models prototype aircraft employed slotted flaps Fowler flaps some other type complicated motions Plain flaps ap propriate time flap outlines visible upper surface wing flap/ wing separation can canted upper wing surface extended thin plywood cases separation lines top bottom wing slightly different positions slotted flap installations Split flaps used carrier aircraft among Grumman Avenger Wildcat Douglas Daunt less Devastator North Amer ican Texan trained Navy pilots split flap made hinging bottom surface wing trailing edge split flap deflected upper surface wing does move Plain flaps split flaps have very simi lar effects lift drag given airfoil plain flaps tend have slightly drag split flaps no real advantage using either type thin trailing edge flap sections split flaps can cause some warping problems dope used finishing nonshrinking finish can used eliminate problem have heard some disturbing reports some builders enlarging split flaps well yond proper scale outlines claiming legality because flaps visible top view wing Besides being obvious violation intent rule see being hidden exempts flaps requirement scale topview outlines stated rule bonus points Ignoring flap outlines hid den top view equivalent saying Guardian doesnt need right auxiliary vertical stabilizer because visible left side view submitted scale verification Whatever personal interpretation legality enlarged split flaps let discourage attempting such installation another reasonthey dont work Split flaps larger about 20% wing chord increase maximum lift coefficient thin sec tions used Carrier models fact 10% thick wing large flap actually less effective small About added enlarging split flaps beyond proper scale dimensions weight Once rush Nats preparations has passed plan run product evaluations Fox Profile Carrier Special engine G-S Products Bearcat Kit Pro file Carrier have number en quiries both products Richard L Perry 5016 ngelita Ave Dayton OH 45424 CL World Champs/Johnson continued page 19 second round Everything looked OK qualifying shot motor ADcookedS bit during some heavy traffic motor became balky pit required extra dose flipping third American team Jolly/Kusik couldnt improve first-round time fact having trouble flight past year split fuel line caused engine sputter cause run-in final very exciting though Danish team broke model first pit Russian pilot used two fouls whip over Swedish team proved enough margin pull out win race close trailing another past segment lap counting lights flashed same instant Later banquet found out Larsson-Rylins engine oversize tiny amount Rossi 15s come oversize factory happened un fortunately disqualified cause fast heat time third place award given Russian team Onufrienko-Shapovalov 402 heat time Austrians awarded prize top team Team Race basis fast heat times 94 Model Aviation Semi-final rounds Larssnn-Rylin Bugi-Straniak Barkev-Seraev Onufrienke-Shapavalne Krasnaretski-Kramarenka Petersen-Geschwendtner Maslne-Efremee Jally-Kusik Fantana-Amadia Fentana-Amodin Dnufrienko-Shapnealsv Jelly-Kasik Petersen-Geschwendtner Barkne-Suraee Larssen-Rylin Masloy-Ef reman Bugi-Straniak 2nd Petersen Geschwendter Disq. Larstan-Rylin 1st Barkse-Suraev 3rd Onofrienke Sltapsealon Sweden4152 Austriadisq USSR4074 USSR4377 USSRdisq oversize tank Denmark3567 fast time af meet USSR4137 USA4247 Italy4142 Second semi-final Italy USSR USA Denmark USSR Sweden USSR Austria disq 42 17 4290 75/retired 4059 4024 69/retired 4094 FINAL DenmarkBrake first pit Sweden8106 later disq far eversize engine USSR8092 USSR402 heat part very wellrun World Championships few minor things did happen either beyond control organizers quickly taken care Unfortunately enough unhappiness Racing segment entire racing jury replaced semi final races difficult deci sion proved best end World Championships 1976 will remembered fast times good patterns five days well spent Thanks KLM RNAA teams travel Europe aided especially good service KLM Airlines KLM official airline CL World Championships made special arrangements transport teams model boxes no charge saving CL team fund hundreds dollars excess baggage cargo costs KLMs help arranged behalf AMA Royal Netherlands Aeronautical Associa tions Department Aeromodelling FULL-SIZE PLANS No 160 Mariha$350 RC Scale sailplaneand no harder build typical soarers No 161 Sunday Sportster$250 RC rudder-only Uses Ace foam wing Design Ken Willard 049 No 162 Sno-Bird$400 Standout Nordic A/2 Jim Walters light thermal conditions No163 Tiger Moth$175 Documentation outline drawing scale plan 13 span No 100 Hinnants F-B ultimate maneuverability smoothness 60 Pattern lob has $450 No 101 Short Seamew 40-powered Class Carrier model good prototype lends itself innovations $300 No 102 French Wench Free Flight Classes 1 /2A 049 051 fully tested design $225 No 103 Kloud King 15-19 RC Old-TimerFree Flight based upoq 1938 record breaker FF $400 No 104 Wiley Post Biplane Petite durable scale design either rubber tail wagger pulse rudderlS225 No 105 Harold Ruarks Sportsman RC cabin job pretty smooth lines 40 powered full-house $450 No 107 Aeronca K 24 wingspan rubber Indoor Scale old-time lighsplane Its done 90 seconds $200 No 108 Electric Couldnt done Dick Sarpolus Astro 25 RC job performs patterns $375 No 109 Bill Fuoris Quarter Midget House Balsa design modifications faster times $300 No 110 Zipper latest CL Scale Racers JohnKilsdonk icb must racing fans $175 No 111 Max-a-Million fleet free flights problem good A/B FAI $375 No 112 Sneat Sport RC glider simple job can flown engine $275 No 114 Ernie Violests DH comet CL Scale 1974 Nats first-place winner classic twin $900 No 117 Novice simple beginners A-i Nordic constructed entirely sheet balsa $150 No 118 GollyGaeWhiz Dan Rutherfords simple Half-A powered Combat lob turns dime $150 No 119 Four Beginners Too basic RC trainer 09 to1 5s rudder elevator motor controls $300 No 120 cathexis Dave Parsons FAI FF has auto-elevator rudder prop brake $450 No 121 Gremlin Sturdy acrobatic RC biplane flies well 35s up 60s $300 No 123 4-Bits 4O-powered RC 500 Club Racer has winning ways Good sport too $400 No 124 Semi-Pro Contest-winning HL glider has pop-up tail dethermalizer $100 No125 HaIf-Korda rubberJohn Oldenkamps 1/2-size all-balsa Old-Timer $175 No 125 Hooptee Mk Ill John Kilsdonks CL Rat Racer involves latest state-of-the-art $175 No 127 BAC Drone Astro-lO electric-powered 80 scale AC powered Glider $400 No 129 Rebel update famed deBolt RC kit Rudder/Elevator/Enginefor 1 5s $275 No 130 AltajrClass A-B Free Flight conversion data other classes $400 No 131 Gee Bee Model Y 40-powered RC stand-off scale great old-time racers $500 No 134 callisto superb Standard Class AC sailplane also took Nets first $400 No 135 Hyperion Mk V Don Chanceys classic Nordic A-2 competed US team $275 No 136 Fmeseler Storch AC scale model 23-45 5-channel has both slots flaps $400 No 137 Ambivalent AC assist FF 29-35 2 chan. can converted sport $400 No 138 candle Wind Half-A free flight competition type offers looks performance $300 No139 Jaguar FAI 15 Combatbyan Englishchampoffersdifferentconfiguration $225 No 140 Nieuport Monoplane Another Hannan cutie CO2 indoor/outdoor Brown single twin $150 No 141 Blackburn Monoplane AC Scale rendition history-maker wheels floats 40 engine $450 No 142 Eagle CL holder Sr 1/2A Proto Speed records Uses Con 049 $175 No 143 Sweepo rubber winning Coupe dHivercan also flown Unlimited $275 No 144 Shark AC conversion JETCO Shark coupled flaps elevators45-60 $525 No 145 Japanese Myrt CL Carrier Class II model has estremely clean design Rossi 60 $275 No 146 QuickSilver AC 1/2A Pylon Racer incorporates latest techniques $200 No 147 B-i AC 15 USAF bomber full house Ace foam wings Stable $275 No 145 BumbleBee Mk II Foam wing AMA fast-combat saves time cost $450 No 149 Comedian AC fun-fly acrobatic biplane good looker 40 60 $400 No 150 Cardinal Sinner CL stunser 35 engines Detroiter type Very competitive $375 No 151 Nesmith Cougar FF rubber scale 30-in span Excellent design long flights $300 No 152 Fox AC assist FF version 1940 Old-Timer 19 ignition 09 glow $425 No 153 Cerberus AC 60-powered Pattern job retracts advanced features $475 No 154 MJ2 Tempete ci scale model famous homebuils motor control sport 25 $350 No 155 Tellipsoar AC Standard Class sailplane wins stand-out performance $1000 No 156 Free Spirit FF Classes A&B combines excellent power/glide performance $400 No157 1935 Wakefield Winner rubber power top job its day will delight old-timer $275 No 158 Flying Flag Fran McElwees 60-powered AC saucer Show Teams sport $675 No 159 Tercel Keith Trostles 1/2A CL Stunt ship flies excellent pattern $200 Circle numbers plans wish order100101102103 104105106107108109110111 112114115117118119120121 123124125126127129130131 134135136137138139141142 151152153154155156157158 159160161162163Enclosed$___________ NAME STREET CITY STATE ZIP Price includes first-class postage Send check money order payable ModelAviation AMA 815 Fifteenth St. NW. Washington DC 20005 October1976 95 Sigs Unique Handle/Wrapper
Edition: Model Aviation - 1976/10
Page Numbers: 16, 17, 18, 19, 94, 95
On July 7-1 1 27 nations met Utrecht Netherlands have out Speed Team Race Aerobatics Text Photos Charlie Johnson Contro Wor d Chomponshps THE Royal Netherlands Aeronautical As sociation organizer years World Championships Individuals teams compete within three categories F2A Speed F2B Aerobatics F2C Team Race Entrants country compete individual well team basis Qualification team selection var ies country country does size team maximum three twoGetting ready another run Speed flier Bob Spohr assymmetrical job Schuette took secondour top placesays Bob faster didnt put altogether extra miles per hour man Team Race teams three Aerobatic pilots three Speed pilots permitted per nation Reigning Champions have qualify team spot per mitted enter own team prizes based performances three regular team members National sponsorship also varies some coun tries paying entire expenses team few cases individual pays everything himself Twenty-seven na tions represented year en tries far away South Africa Australia Brazil Aerobatics team Egypt Utrecht site permanent en closed clubhouse has three circles two caged circles Team Race Speed third Aerobatics also has model race car track snake through Team Race circle has timing tower equipment jury light boards display number laps team fouls numbers contestants following heats Speed both mechan ically electronically timed speed posted light board following run set red green lights informed pilot pit crew official timing taking place Aerobatics circle P1Name Country 1McDonald USA 2Werwage USA 3Gieske USA 4Billan France 5Gabris Chzoc 6Schaff USA 7Campostella Italy 8van Hiat Nether 9Rossi Italy 10Cani Chzec 11SasakiJapan 12Cappi Italy 13Hara Japan 14Tindall England 15Eskildion Denmark 16Lavaletto France Piece 7-00-76 4 2742 2 2812 1 2582 5 2689 9 2667 7 2681 15 2485 3 2768 6 2687 10 2634 8 2676 112616 17 2388 13 2520 12 2609 14 2512 Place 1-1 0-76 3 2860 2 2871 1 2879 9 2724 4 2810 6 2745 5 2767 ID 2713 9 2726 112703 17 2568 7 2727 13 2640 12 2694 14 2622 15 2604 Bone Score Finals 1st fIt2nd fIt 29502950 29312882 28672864 29722896 28782746 25482926 28892887 2866 2814____ 27742815 2726 2765 27862746 24962691 27172652 Total 5810 5802 5746 5696 5688 5671 5656 5634 5548 5518 5515 5492 5426 5385 5339 Far left USA team membersSpeed TR Aerobatics US took first three places 6th Aerobatics 2nd Speed did well TR results text Middle left Mo ment gloryLes McDonald winner Aero batics Left Turning fastest official time everS mm 9 sec 200-lap finalwas Russian team Barkov-Suraev Right Start final TR Russian team com ing first pitnote grouper near handle Russians cleanest fliers entire meet could fly kind traffic fouling Swedish team suspenders 6 ft 6 in. obstruction Danish team shattered wing first pit stop laid out well although model car race course made area look cluttered Nothing sophisticated judging flight patterns just five hard working jury mem bers crowded under umbrella Wednesday July 7th first offi cial day WC set aside registration Thursday training processing day overyone chance put some practice although some pre ferred privacy alternate training site things could sorted out noted during processing 7cc tank limit Team Race varied country country re ported Russians won oversize tank contest record 74cc Because elaborate filling systems some tanks 2cc factor added filler valve assembly measur able Right Voted worlds best TR pilots Englands Derek Heaton ready tan gle Russians Plaunts Given chance win team engine go sour Aerobatics Speed ran very smoothly times ahead schedule Team Race two pro tests before flying started Both proxy flying centered around Clarkson/Daly team proxy fly ing New Zealand entry Barnes/Brown allowed other Enrico Flores legally Italian mar ried Dutch girl proxy flying member Dutch Team Although allowed fly heats quali fied 405 allowed participate semi rounds Flores well Dutch team very unhappy did qualify under current FAI rules F2B Aerobatics After first round Friday ap parent Aerobatic pilots first place would go American just question Below sum mary scores three days com petition contestants given two preliminary quali1iing attempts highest 15 getting two flights Sunday final score determined adding highest qualifying flight either Fri day Saturday best score Sunday majority fliers scored highest during second pattern Saturday first pattern Sunday Also observe 8 points separates first two places two 2950 patterns turned Mc Donald Sunday Below sample scores five jury members num ber end range between highest lowest score since three middle scores used No top 15 narrower range did Bill Werwage range between high low some contestants down list over 240 points As can see Gieskes range 108 points five judges taken total 44 points counting middle three scores used total October1976 17 Below Two masters Bob Gieske left Bill Werwage 3rd 2nd respectively Aerobatics Bob competed individual score didnt count winning team score Left The timing tower light boards foul lights note 2nd foul middle teamyellow Boom Speed timing background ABC0E 9551008940900984 942959970918988 9439119689491010 9438749229451029 910917856940102B 842997888883974 922921829884953 896887923907989 868989820924932 896988865894923 893845833965979 886876932841952 773940839881982 922845847853986 883929859825882 Total 2879 2871 2860 2810 2767 2745 2727 2726 2724 2713 2703 2694 2640 2622 2604 Range 108 70 99 155 170 155 124 102 169 123 146 111 209 141 104 Key jury members AC v Ommeren Netherlands BP Soaliac France CB Gialdini USA DZ Liska Crec EM Harvey Britain CL World Champs flight Giving jury what want see big part Aerobatics style important mechanically per forming maneuvers United States easily took Aerobatics Team prize since theyd taken first second sixth places Gieskes third didnt count toward USA award F2A Speed Speed very straight-forward event since no subjective evaluation Aerobatics also frustrating Getting 25cc piped alky burners running right some times cause Excedrin headache number 200 best Speed merchants world hand championship Rumors spread both Italians Germans turning times 260-270 kilometer-per-hour range Grouped lines banned news electricallycharged lines means grouping prompted several countries prepare pro tests advance None sophisticated gadgets materialized did ultra-fast times Emil Rumpel stole show very fast 252-kph run Chuck Schu ette close behind 247 kph fol lowed several other contestants within couple kph top runners used asymmet rical designs long inboard wing either no wing outboard side just little stub Emil Rumpels about three feet long needing heavy wooden cover keep being dam aged being flown Apparently ultra-thin wing cleaner ex posed lines Austrians also Left Americas best hope TR Jed Kusik re leases model first heat4OS fast time morning Team looked good against stiff est opposition Made semi-finals Above electronic timing setup Speed Both manual electronic timing used double check Notice sturdy cage Name Country Ijieske USA Wewage USA McDonald USA Garis Cznc Compostella Italy Schaffer USA Cappi Italy Rossi Italy Billon France v d Hoot Netherlands Cani Czec Tindall Britain Hare Japan Eskildnen Oenaark ljvelettn France Above Jim Sue Pleunt put up whale fight Russian English teams turning respectable 421 Sue female en trant possibly first female pit-person too super long wing spar caused spectacular bow flight Below summary officially timed flights three-day period P1 Name Country 1 Rumpel W Germany 2 Schuelte USA 3 Ricci Italy 4 Baser Netherlands 5 Spalir USA 6 Leozen W Germany 7 Schmidt W Germany 8 Baidalinov USSR 9 Dodge USA 10 Pacheco Spain 11 Halman England 12 Enfroy France 13 Dusi Italy 14 Maslenkin USSR 15 Rachwal Poland 2477 2469 2460 2430 2381 2306 2356 2348 2327 2321 2342 2337 2337 2529 2472 2404 2321 2285 2330 2376 2162 2324 2346 2343 2203 2450 2331 2408 1984 2406 2325 2112 2285 2290 2325 Chuck Schuette turned time Fri day suffer through two days bubble waiting someone turn really fast run same time trying improve speed enough beat Rumpel Superior pitwork three American team members aided team manager Laird Jackson enabled put least two flights per four-minute time period As long pilot doesnt put handle pylon con sidered official attempt may make another attempt during time slot wait reflight later day feels things arent going fast enough super pitwork put Schuette back up another try Saturday after much tuning ground lot footwork get model pipe unfor tunately ran out fuel about lap eight though West Germans took team prize members USA team felt theyd done well equipment would allow Carl Dodge summed up thats fast goes F2C Team Race Team Race really its ups downs year far protests jury problems concerned thing up swing performance took quicker 410 make semi rounds faster lot ex perts predicted problem protests really didnt affect final outcome except kept very fast Left The beauty retract-gear Russian TR model Average speed around 108 mph gear 3 mph slower gear down Heaton/ Ross England also retracting gear beautiful Onufrienko-Shapovalov team racer Russia similar appearance Dunkin-Wright model weighed around 15 ozs Dutch team Flores/v d Voort out contention Friday morning heats began determine nine quickest teams semi rounds Thirty-six teams sched uled fly morning hours lunch break 15 disqualified 7 awarded reflights 5 received no time 9 teams received times Ameri can team Jolly/Kusik among luckier ones posted very quick 408 heat would stand fast time until Russians turned 400 Kras norutski/Kramarenko afternoon What very strict jury suddenly turned mellow letting pass some very fla grant violations competitors werent necessarily upset jury strict rather wasnt consistent its rulings fouled out very quickly during morning heats some less 20 laps yet afternoon some names got away thing liked Jim Sue Plaunt ran very good race against Russian team Maslov/ Efremov Britains Heaton/Ross Britains disqualified whipping midway through American pair able stay within lap Rus snons until very end lapped again faster Russians Dunkin/Wright disqualified Fri day high flying little cautious continu ed page 94 October1976 19 Left Chuck Schuette getting Speed Heres 247-kph run just now getting pipe Takes good arm Speed Mary Schuette dads model Loyal root er clocked opposition times before electronic clocks did Stearman C3BGEHERALTb 9 sopt /READY OR N W NWE________ DO GEGN SNOBDA 35 RBIOSOON.04S POWERFOR RADIO CONTROL OR FREE FLIGHT00010 POWES C SIT OF NOSTALGIA FOR 0000 CORONAL UF TO THREE CHANNELSONE OF THE GOLDEN ERAS AREATEST AIRCRAFTGAo 0 oDLIGHT TO BUILD HISTORO BAXEN flOOBE WORLD N N~SONS AMERICAN FOWEB FORV PIPIR Cl/i N 01 CONTROL UP TO OTHEE SO WINGSPAN 000 POWER FOR FREE 9N SNELS TRUE CLASSIC A15 FLIWOD OR R*01D CONTROL E1OOt0BLO FROG THE GOLDEN CR0 7FOR CDNTRCL UNITS CAN BE FLORN PSEE FLIHOT OS POWER ON RUBBEROS DIRECT ORDERS ADD lOX FAN TACKING ANDFLY LINE MODELS BOOR D0E 00 RESICESOC ADD Ha ODD SEE YOUR LOCAL HOBBY DEALER0643 ASHBY PL PAIREAX VA22030 FF Duration/Meuser continued page 43 ing liquid onto wood Let dry sand apply coats urethane varnish Let dry wet sand Alterna tively styrofoam can dipped dope thinner immediately rubbed wood styrofoam film suppose polystyrene film eb chemists hard tough urethane varnish gives relatively chemically impervious barrier almost paint resin coating may applied Enamelthe exception know ofdoesnt adhere very well No shrinkage man says Other Hints Tips Again Squire Openshaw AAEthanol excellent raising grain balsa dries quickly caused practically no warpage might try methanol too per haps water-alcohol mix such rubbing alcohol Vodka ADWaterdiluted White Magic vinyl floor polish seems promising sealant Japanese tissue would have thought Bob Meuser 4200 Gregory St Oak land CA 94619 ADVERTISERS INDEX Ace Radio Control Inc79 Andrews Aircraft Model Co89 David Andrews CoCover 2 Cox Hobbies4849 96 Cover 3 Cumberland Press86 Du-Bro Products Inc85 EK-logictrol87 Flyline Models94 Carl Goldberg Models20 Grish Brothers92 Peck-Polymers81 Progress Mfg Company91 RCBuyersGuide93 RSSystems81 SC Modeler Hobby Shop83 Sig Mfg Company1 Sterling Models Inc90 VI Products86 Williams Brothers91 World EnginesBack Cover CL Navy Carrier/Perry continued page 35 between wing flap cause higher-pressure air bend airflow around upper surface flaps increase effectiveness part such flaps suited Carrier models because too heavy too complicated too critical design provide small improve ment over much simpler plain flaps split flaps lend themselves very well modeling applications plain flap commonly used flap design Carrier models made cutting off last 20% airfoil section mounting hinges sheet flaps common Stunt models also plain flaps Plain flaps usually used Carrier models prototype aircraft employed slotted flaps Fowler flaps some other type complicated motions Plain flaps ap propriate time flap outlines visible upper surface wing flap/ wing separation can canted upper wing surface extended thin plywood cases separation lines top bottom wing slightly different positions slotted flap installations Split flaps used carrier aircraft among Grumman Avenger Wildcat Douglas Daunt less Devastator North Amer ican Texan trained Navy pilots split flap made hinging bottom surface wing trailing edge split flap deflected upper surface wing does move Plain flaps split flaps have very simi lar effects lift drag given airfoil plain flaps tend have slightly drag split flaps no real advantage using either type thin trailing edge flap sections split flaps can cause some warping problems dope used finishing nonshrinking finish can used eliminate problem have heard some disturbing reports some builders enlarging split flaps well yond proper scale outlines claiming legality because flaps visible top view wing Besides being obvious violation intent rule see being hidden exempts flaps requirement scale topview outlines stated rule bonus points Ignoring flap outlines hid den top view equivalent saying Guardian doesnt need right auxiliary vertical stabilizer because visible left side view submitted scale verification Whatever personal interpretation legality enlarged split flaps let discourage attempting such installation another reasonthey dont work Split flaps larger about 20% wing chord increase maximum lift coefficient thin sec tions used Carrier models fact 10% thick wing large flap actually less effective small About added enlarging split flaps beyond proper scale dimensions weight Once rush Nats preparations has passed plan run product evaluations Fox Profile Carrier Special engine G-S Products Bearcat Kit Pro file Carrier have number en quiries both products Richard L Perry 5016 ngelita Ave Dayton OH 45424 CL World Champs/Johnson continued page 19 second round Everything looked OK qualifying shot motor ADcookedS bit during some heavy traffic motor became balky pit required extra dose flipping third American team Jolly/Kusik couldnt improve first-round time fact having trouble flight past year split fuel line caused engine sputter cause run-in final very exciting though Danish team broke model first pit Russian pilot used two fouls whip over Swedish team proved enough margin pull out win race close trailing another past segment lap counting lights flashed same instant Later banquet found out Larsson-Rylins engine oversize tiny amount Rossi 15s come oversize factory happened un fortunately disqualified cause fast heat time third place award given Russian team Onufrienko-Shapovalov 402 heat time Austrians awarded prize top team Team Race basis fast heat times 94 Model Aviation Semi-final rounds Larssnn-Rylin Bugi-Straniak Barkev-Seraev Onufrienke-Shapavalne Krasnaretski-Kramarenka Petersen-Geschwendtner Maslne-Efremee Jally-Kusik Fantana-Amadia Fentana-Amodin Dnufrienko-Shapnealsv Jelly-Kasik Petersen-Geschwendtner Barkne-Suraee Larssen-Rylin Masloy-Ef reman Bugi-Straniak 2nd Petersen Geschwendter Disq. Larstan-Rylin 1st Barkse-Suraev 3rd Onofrienke Sltapsealon Sweden4152 Austriadisq USSR4074 USSR4377 USSRdisq oversize tank Denmark3567 fast time af meet USSR4137 USA4247 Italy4142 Second semi-final Italy USSR USA Denmark USSR Sweden USSR Austria disq 42 17 4290 75/retired 4059 4024 69/retired 4094 FINAL DenmarkBrake first pit Sweden8106 later disq far eversize engine USSR8092 USSR402 heat part very wellrun World Championships few minor things did happen either beyond control organizers quickly taken care Unfortunately enough unhappiness Racing segment entire racing jury replaced semi final races difficult deci sion proved best end World Championships 1976 will remembered fast times good patterns five days well spent Thanks KLM RNAA teams travel Europe aided especially good service KLM Airlines KLM official airline CL World Championships made special arrangements transport teams model boxes no charge saving CL team fund hundreds dollars excess baggage cargo costs KLMs help arranged behalf AMA Royal Netherlands Aeronautical Associa tions Department Aeromodelling FULL-SIZE PLANS No 160 Mariha$350 RC Scale sailplaneand no harder build typical soarers No 161 Sunday Sportster$250 RC rudder-only Uses Ace foam wing Design Ken Willard 049 No 162 Sno-Bird$400 Standout Nordic A/2 Jim Walters light thermal conditions No163 Tiger Moth$175 Documentation outline drawing scale plan 13 span No 100 Hinnants F-B ultimate maneuverability smoothness 60 Pattern lob has $450 No 101 Short Seamew 40-powered Class Carrier model good prototype lends itself innovations $300 No 102 French Wench Free Flight Classes 1 /2A 049 051 fully tested design $225 No 103 Kloud King 15-19 RC Old-TimerFree Flight based upoq 1938 record breaker FF $400 No 104 Wiley Post Biplane Petite durable scale design either rubber tail wagger pulse rudderlS225 No 105 Harold Ruarks Sportsman RC cabin job pretty smooth lines 40 powered full-house $450 No 107 Aeronca K 24 wingspan rubber Indoor Scale old-time lighsplane Its done 90 seconds $200 No 108 Electric Couldnt done Dick Sarpolus Astro 25 RC job performs patterns $375 No 109 Bill Fuoris Quarter Midget House Balsa design modifications faster times $300 No 110 Zipper latest CL Scale Racers JohnKilsdonk icb must racing fans $175 No 111 Max-a-Million fleet free flights problem good A/B FAI $375 No 112 Sneat Sport RC glider simple job can flown engine $275 No 114 Ernie Violests DH comet CL Scale 1974 Nats first-place winner classic twin $900 No 117 Novice simple beginners A-i Nordic constructed entirely sheet balsa $150 No 118 GollyGaeWhiz Dan Rutherfords simple Half-A powered Combat lob turns dime $150 No 119 Four Beginners Too basic RC trainer 09 to1 5s rudder elevator motor controls $300 No 120 cathexis Dave Parsons FAI FF has auto-elevator rudder prop brake $450 No 121 Gremlin Sturdy acrobatic RC biplane flies well 35s up 60s $300 No 123 4-Bits 4O-powered RC 500 Club Racer has winning ways Good sport too $400 No 124 Semi-Pro Contest-winning HL glider has pop-up tail dethermalizer $100 No125 HaIf-Korda rubberJohn Oldenkamps 1/2-size all-balsa Old-Timer $175 No 125 Hooptee Mk Ill John Kilsdonks CL Rat Racer involves latest state-of-the-art $175 No 127 BAC Drone Astro-lO electric-powered 80 scale AC powered Glider $400 No 129 Rebel update famed deBolt RC kit Rudder/Elevator/Enginefor 1 5s $275 No 130 AltajrClass A-B Free Flight conversion data other classes $400 No 131 Gee Bee Model Y 40-powered RC stand-off scale great old-time racers $500 No 134 callisto superb Standard Class AC sailplane also took Nets first $400 No 135 Hyperion Mk V Don Chanceys classic Nordic A-2 competed US team $275 No 136 Fmeseler Storch AC scale model 23-45 5-channel has both slots flaps $400 No 137 Ambivalent AC assist FF 29-35 2 chan. can converted sport $400 No 138 candle Wind Half-A free flight competition type offers looks performance $300 No139 Jaguar FAI 15 Combatbyan Englishchampoffersdifferentconfiguration $225 No 140 Nieuport Monoplane Another Hannan cutie CO2 indoor/outdoor Brown single twin $150 No 141 Blackburn Monoplane AC Scale rendition history-maker wheels floats 40 engine $450 No 142 Eagle CL holder Sr 1/2A Proto Speed records Uses Con 049 $175 No 143 Sweepo rubber winning Coupe dHivercan also flown Unlimited $275 No 144 Shark AC conversion JETCO Shark coupled flaps elevators45-60 $525 No 145 Japanese Myrt CL Carrier Class II model has estremely clean design Rossi 60 $275 No 146 QuickSilver AC 1/2A Pylon Racer incorporates latest techniques $200 No 147 B-i AC 15 USAF bomber full house Ace foam wings Stable $275 No 145 BumbleBee Mk II Foam wing AMA fast-combat saves time cost $450 No 149 Comedian AC fun-fly acrobatic biplane good looker 40 60 $400 No 150 Cardinal Sinner CL stunser 35 engines Detroiter type Very competitive $375 No 151 Nesmith Cougar FF rubber scale 30-in span Excellent design long flights $300 No 152 Fox AC assist FF version 1940 Old-Timer 19 ignition 09 glow $425 No 153 Cerberus AC 60-powered Pattern job retracts advanced features $475 No 154 MJ2 Tempete ci scale model famous homebuils motor control sport 25 $350 No 155 Tellipsoar AC Standard Class sailplane wins stand-out performance $1000 No 156 Free Spirit FF Classes A&B combines excellent power/glide performance $400 No157 1935 Wakefield Winner rubber power top job its day will delight old-timer $275 No 158 Flying Flag Fran McElwees 60-powered AC saucer Show Teams sport $675 No 159 Tercel Keith Trostles 1/2A CL Stunt ship flies excellent pattern $200 Circle numbers plans wish order100101102103 104105106107108109110111 112114115117118119120121 123124125126127129130131 134135136137138139141142 151152153154155156157158 159160161162163Enclosed$___________ NAME STREET CITY STATE ZIP Price includes first-class postage Send check money order payable ModelAviation AMA 815 Fifteenth St. NW. Washington DC 20005 October1976 95 Sigs Unique Handle/Wrapper