HANNO PRETTNER Austria won 13th World Championships Radio Con trol aerobatic model aircraft Pensacola FL October 10-15 first place after four qualifying flights proceeded extend lead over other six fliers finals United States won team com petition Dave Brown finishing 3rd Steve Helms 7th Tony Frackowiak C I / part huge group specta tors came see superb RC Aerobatics flying resulted selection 1983 Individual Team FAI World Champions barely missed finals 8th pre event favorite Japan led during competition fade under late rush US team H Flying members managers top three teams pose portrait Left right Federal Republic Germany 3rd USA 1st Japan 2nd US zoomed end 84 Model Aviation Prettner along six others qual ified finals after four rounds com petition fliers other finalists order qualifying Bertram Lossen Germany Ivan Kristensen Canada Dave Brown USA Steve Helms USA Wolfgang Matt Liechtenstein Yoi chiro Akiba Japan After two rounds finals order changed somewhat Prettner Lossen Brown Kristensen Matt Akiba Helms top five teams USA Japan Germany Canada Austria Hanno Prettners impressive scores could pull team way top since teammates finished 23rd Adolf Panz 35th Hermann Kowarz J Seventy fliers represented 28 countries around world country entitled enter three fliers several teams two Tiny Liech tenstein represented two-time World Champion Wolfgang Matt brother Norbert high-quality flier would have made Liechtenstein real threat high place team championships Prettner took lead first round never looked back fliers expected give Hanno toughest battle Kristensen Canada Lossen Germany either couldnt earn high scores what appeared unofficial observers superior flights relatively poor flights counted Dave Brown stayed close never threat until posted score 1442 third round Prettner tied fourth round high flight score moved him second place within two points Prettner However Brown yielded Lossen Kristensen fourth round move back fourth place qualifying scoring complicated did manage confuse people Sim ply fliers faced two sets four judges twice during four qualifying rounds total score sum best flight scores front set judges way set judges scored higher other set could dominate selection champion made some interesting situations During Round 1 Steve Helms YS engine failed due faulty check valve high pump pres sure Suddenly 68th place Similarly Tony Frackowiak did another cardiac kid routine 19th place after first round During second round fuel nipple Webra spraybar popped off slid way back 62nd place 64th place after third round because use bad second-round score pressure him during fourth round re sponded fine score thought should have rewarded points moved him 8th place Meanwhile Helms improved own second-round score move 5th place qualifying scores Tony Frackowiak missed qualifying finals five points 2600 barely edged out Yoichiro Akiba Japan appeared Wolf gang Matt danger missing out finals first time seven World Championships qualified finish ing 42 points ahead Akiba Helms Frackowiak mov ing down finally back up placings US team total doing same dance After first round US team 14th place Following second round still 14th team moved up 9th place after third round led everyone end fourth round qualifying Japan led team standings through first three rounds basis strong consistent individual performances Akiba Yoshioka Naruke top 10 individual fliers four rounds Hanno Prettner flying new airplane calls Calypso did resemble other competition aircraft because anything looked like low-wing trainer conventional gear did have retractable gear Supertigre S61 muffled pipe just didnt look like airplane capable competing against other high-performance air planes However compete did verti cal performance outstanding dive speed controlled Kato ad justable-pitch propeller During discussion practice day said Calypso January 1984 85 Individual winners L-R Dave Brown 3rd Hanno Prettner 1st Bertram Lossen 2ndl share spotlight workers northwest Florida RC clubs helped run event Hans Prettner checks out wind for-son Hanno won third World Championship unlikely-looking model named Calypso Plain made fly lust beautifully Calypso Hannos turnaround-pattern prototype Full results Competition Newsletter section Bertram Lossen FR Germany placed second has noise level checked Red Palmer model US Master-class flier Ed Keck entrants passed noise checks Left Many sidelines thought Canadas Ivan Kristensen deserved better fourth-place finish judges didnt agree Ivan flew Citation Yoshiokas design magnificently Right Dave Browns Illusion took him third place wife Sally responded Now ye got go through another two years thisl Dave has US RC Aerobatics team times always places high Left When Steve Helms engine died early Round 1 flight prompted immediate transplant details text Right Gale Helms hustles son Steves plane runway during finals competition Steve flying Cosomos design Japans Giichi Naruke Left Two-time World Champs winner Wolfgang Matt Liechtenstein showed still has touch qualifying finals seventh straight time Plane Arrow Webra Racing LS engine turning Kato variable-pitch prop Right airplane three Japanese fliers absolutely beautiful Voichiro Akibas entry named Rocky Akiba Japanese finals prototype what will fly new FAT turnaround pattern turnaround-pattern airplane will larger Calypso will look very much same other top fliers new air planes too Second-place finisher Bertram Lossen flying new design calls Red Palmer generously contoured didnt appear flat place anywhere airplane Dave Brown flew Illusion modified Tiporare less anhedral horizontal tail appears have thinner wing pipe molded bottom fuselage Ivan Kristensen flying Citation de signed Tsugutaka Yoshioka 1973 World Champion us accus tomed seeing him fly versions popular Saturn design big surprise Ivan flies Citation well beaten Dave Brown 1983 Nats airplane way wife concerned might damage Cita 86 Model Aviation Left Cardiac Kid Tony Frackowiak gave everyone fits moving near end pack after second round eighth place end qualifying Tony cool under pressure Right Tsugutaka Voshioka 1973 World Champion readies Citation finished tenth cap splendid display competence consistency Japanese team three members placed within top 10 Left Frances Pascal Ardonceau split rudder Olympus cable-operated act unique speed brake Right Ruggero Pas qualini Italy flew beautifully-detailed model own design calls Galaxi Has three-blade 1 1-6% prop GT Models Left Hugo Peyer Switzerland flew model called Marvin designed Arnold Peyer used three-blade 10-7% Landert prop Right immaculately-finished airplane entered Andre Lafite France 31st French team 7th tion Canadian Nats convinced him fly Saturn finished second event Steve Helms competed newlycompleted Cosmos designed Giichi Nar uke finish absolutely flawless Steve could find flaws hed tell asked rest us couldnt see finish clear Im ron over K&B Superpoxy Wolfgang Matt flew popular Arrow Pattern fliers US dis covering formidable Pattern machine said flew getting old worn didnt look because well over 2000 flights Yoichiro Akiba flew new design called Rocky two airplanes finals YS 60 engine Steve Helms other big topics before World Championships noise requirement contestants engine propeller noise less 105db point January 1984 87 meter airplane airplane sitting ground sound meter height engine announced banquet 70 air planes passed noise tests have enormous effort part contestants achieve success noticeable difference thre air planes use special propellers propellers three blades higher pitches typically used Most fiberglass although few hand-crafted wooden propellers Several fli ers also increased propeller diameter order take advantage braking effect during dives provided increased disk area Hanno Prettner fliers take advantage beneficial effects larger-diameter propeller number human-interest stories could written about World Championships think best involved Jim Clarke Ireland Jim young man describes age Left Ivan Oliver South Africa flew Super Curare has competed last six World Champs Right Emil Giezendanner flew Scorpion III designed brother Bruno former World Champ Afterwards gave backup plane US Team Manager Dick Penrod Left Paul Behm Luxemburgl looks cold starts planes engine 500 early morning temperature Right ship fourcycle engine World Championships Jan Van Beeks Akro Saito 120 Jan Netherlandsplaced 44th team 14th Left Lucien Gerard readies own design called Barracuda Only age 23 has Luxemburgs national champion four times has participated two World Champs Right Whats Q-Rare Mario Quintanilla Mexico flew modified Curare conventional gear 88 Model Aviation full overslept first day qualifying combined bad transmission rented station wagon caused him arrive flight line five minutes before fly dis covered haste get field left wing bolts pipe bracket propeller motel dresser scramble among other entrants produced wing bolts Wolfgang Matt propeller tie wraps anonymous source large rubberband Dave Brown contingent proceeeded assemble Clarkes airplane starting box got airplane started time everyone de lighted until aileron servo connector failed just after takeoff resulting crash spoiled otherwise heartwarming story scariest thing happened dur ing Ivan Kristensens fourth-round flight large flock perhaps 200 birds appeared over horizon moved random manner toward flight line Ivan un aware presence until di rectly front judges about 600 feet away about 200 feet up middle eight-point roll time spotted can imagine ragged rest maneuver looked Jan Van Beek Netherlands probably unusual airplane because used Saito 120 four-cycle large 71in-wingspan Akro four-cycle the competition spectators liked different sound engine site World Championships more-or-less abandoned Navy airfield called Bronson Field located west Pensacola near beautiful Perdito Bay use field Navy heli copter training runways have Continued page 175 Left A beautiful Phoenix 8 TiOwn oy Alberto 1-lores sole entrant Peru Right Lots people gave Jim Clarke Ireland some quick help overslept arrived flight line five minutes before turn fly details text Left Note aileron linkage used Moon Ho Chol Korea Cosmos used two aileron servos drive surface directly Right Rae Fritz 1 Contest Director World Championships Bill Johnston monitoring frequency spectrum possible interference Left Team Australias manager Ron Tayles checks out Cohn Taylors maneuvers directly behind judges Burly caller Tom Prosser dwarfs teammate Right Early morning scene demonstrates Florida iSnt sunshine blue sky Perfect weather ended event January 1984 89 riodel per match lieu hange would encourage pilots take asy primary model maybe build little stronger Charlie Johnson 3716 graham Sr San iego CA 92109 Dver-EZ/Johnson continued paae 78 aper onto edge sheet top Lie other wide sections opposite nds Enough scrap also left fabricate wing tips Two Lite Ply sides glued vith 5-mm epoxy clamped onto oined top bottom engine bearer unit also traced ac ording plans except engine slot vidth will need vary power plant ust draw mid-line measure en ines width onto pattern used bin cryard clear pine stock T/0-in rather han -in Midwest basswood avail ible means use thicker pine sdds bit excess weight holes should drilled bearer before epoxying sides Locate goes drawing straight line fuselage sides exactly 900 front C-clamps used hold together epoxy sets landing gear mount epoxied bearer fuselage front -in tn angular stock added reinforcement model uses pre-bent wire unit Sig Banshee unit can bent shape very easily nylon clips have worked very well substitute original plysandwich mount Wing Cut master pattern two types wing ribs metal ply cut balsa ribs stacks trailing edge stock must trued straightedge make TE pinned flat building surface bottom spar shimmed up ribs added CyA glue used entire wing frame can dry assembled glued Wing center-section sheeting used origianl design obviously highly desirable added after panel removed building board Add -in tips scraps Carve sand leading edge tips center section shape fact wings identical have no joints center makes very rapid simple construc tion covered MonoKote have proven durable good twist resistance Final assembly Obviously tail feathers wing struts fabricated before step pre-finished wood covered portions model before assembly matter simplicity Masking tape used keep finish off areas epoxy joints would Place lower wing absolutely flat surface block position Epoxy fuselage onto area MonoKote has removed Use large 900 triangle position fuselage sides exactly right angles wing make sure fuselage 900 span wing Block securely epoxy cures Cut slots struts twin-rib areas bottom top wing trial-fit Epoxy top wing unto stillblocked-up fuselage bottom wing unit Use epoxy wing strut slots well Recheck unit squareness both planes pin weight wing tight joint against fuselage top Once epoxy cured add stabilizer fin Remove unit board finish adding landing gear wheels engine tank etc Control hookup pretty well self-explanatory used 3A2-in wire Z-bend crank end 4-40 links rod elevator horn Lead-outs come through reinfored section inboard strut Flying Presuming balance point CO adjusted moving engine back forth pre-assembly step / oz lead outboard wing tip engine will run thing pussycat fly Line tension remarkable such ancient design found con trol segments positioned outside holes specified hardware OverEZ docile enough beginner 25yet aerobatic advanced flier 35 Loops arent tight weve become accustomed flapped lightly-loaded contemporary Stunters yet has certain open gracefulness Whatever prospective builders age flying level OverEZ OldTimer Stunt models truly enjoyable RC Simulator/Levy Continued page 94 move plane different positions watch resulting profiles screen profiles have helped learn rec ognize whether plane flying toward going away gets out Its good training device rainy day build take flying field sure show colors get frequency pin off board transmitter really though trainer isnt air RC Aerobatics WC/Van Putte Continued page 89 unattended years As conse quence runways cracked grass has sprouted cracks contest organizers work weeks cut down remove tall grass left hundreds acres runway looking like grassy field Everyone looked forward beau tiful fall Florida weather because October known prettiest time year Florida panhandle can imagine THIS FUEL FEATURES ORUST PREVENTION AGENTS SDETERGENTS OLUBRICATION WITH HIGH FLASH POINTS eWEFlING AGENTS FOR MORE EFFICIENT AND DEPENDABLE FUEL FLOW OANTI-FOAMING AGENTS TO PREVENT LEAN RUNS KEEPS YOUR ENGINE RUNNING COOL OAN ODORLESS HIGHLY REFINED FUEL CHILDPROOF LIDS Available hAl 5 10 15 25 & 40% Nitro-Methane Contents Formulated synthetic lubricants Also aaiIabIe castor DEALERS WAN1ED DOMESTIC & OVERSEAS WE EXPORT competition fuel fast becoming THE CHOICE top profesionals first cash product Contact us price structures ordering information ManufacturerS Major Brand Distributors Model Engines Kits Rados Accessories SUPER K Fuels ore brand KINGS RADIO CONTROL HOBBIES INTERNATIONAL 3960 West 46 Ave Hialeah Florida 33042 305 557-2024 January 1984 175 specially formulated chemically balanced fuel top peutormance minimum engine wear weather condition beginner p. written illus trated RiCer over 50 years model air plane experience Teaches basic model aerodynam ics commonsense manner. covers radio equipment learning fly much Easy understand must RiC modelers library $1195 Please add $100 ordered direct Available hobby shops order direct ACE R/C BOX 511 HIGGINSVILLE MO 64037 GREAT PLANES MODEL DISTRIBUTOR BOX 725 URBANA ILLINOIS 61801 ZENITH AVIATION BOOKS BOX 1 OSCEOLA WISCONSIN 54020 CLELAND GIANTS GIANT SCALE BUFFS Worlds Largest Gas Plans Assortment INTERNATIONALLY FAMOUS C-D QUALITY MODELS PLANS 77 Locoobe Sedon $25 D7Fir$3973NAMiokBo,b $4 6 Pole Race $32 65 TMMoroode 8-26 $42 & So Gee-Bee $32 78 Sopoolh Pop $24 .oine 568 $34 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15% 120 ojl Pclooool cololog $150 Pice IjOl ocollo oboe 55c *byoi,Roeigeodd$1801* .rCLEVELAND MODEL&SUPPLY Co 103073 Daira6 A,Clenelond Ohio 44182 176Model Aviation everyones surprise Monday check-in day greeted misty rain Tuesday official practice day began heavy rain wind gradually eased off ended sunshine pleasant temperatures However evening early Wednesday morning first day com petition Pensacola struck thun derstorms rain ended soon after scheduled 700 am start competition began 15 minutes late skies grad ually cleared days schedule completed However Thursday morning started nasty cold wind 500 low overcast skieswhich delayed start two hours Moon Ho Choi Korea taken off official flight 700 am have airplane disappear overcast five seconds eternity got safely back ground flying extended hour past scheduled 200 pm stopping time permit partial catch up Friday morning again cold cloudy windy flights got off schedule An additional hour catch-up flying re sulted completion scheduled flights Friday Saturday morning devoted finish ing last round qualifying flights weather cooperated gradually clearing until fourth round ended bright sun shine balmy temperatures beautiful weather continued through final flights started 1230 pm lasted until approximately 315 pm scoring finals done eight judges line total score sum qualifying scores best score two final flights Consequently finals accounted half total score scores posted very soon after flight both qualifying finals thanks dedicated crew Score sheets handcarried flight line tabulating center processing scores radioed center area posting computer program World Championships written pro fessional programmer David H Dirty Dave Knowles non-modeler con tributed services After round individual scores team scores computer-ordered copies dis tributed contest officials team man agers eliminated numerous hand calcula tions everyone much faster could have possible otherwise Following finals everyone took four-hour break convened Pen sacola Country Club excellent buffetstyle meal formal awards ceremony Since able arrange 24-hour film processing 35mm Ektachrome slides over 200 slides already pro cessed wife Faith put together slide show carousel projector showed 160 best slides wall banquet room prior start banquet gave contestants sup porters chance see themselves action everyone seemed enjoy competition magnitude 1983 World Championships has group LPLANE** launching equipment hi-starts/winches/accessories complete line/best prices/top quality send self-addressed stamped envelope catalog/information RLF PRODUCTS R3 Box 178-V Paoli IN 47454181217234310 SILICONE gaoolin 10 foot coilsTUBING lD 062092 125u S POST $Icoil 235265 325 54r/COIL LARRY DODGE AERO INC 10210 MANNINGSTILLWATER MN 550B2 COMPLETELY FINISHED R/C AIRCRAFT Completely Finished RIC AircraftAll Sizes & Types Radio Engine Only CG Sky Teger.63 trainer $22500 Sig alp Wing J3 Cub--S4 Span $25000 SEND FOR COMPLETE LIST HOBBY CAPITOL R/C 46 N Oak St. VentUra California 93001 RADIO EQUIPMENT EXCHANGE Box 561 Park Forest Illinois 60466 List used radio equip ment sale No fee listing Escrow available Send SASE details hard-working individuals make come together Rather try name couldnt miss some think its fitting two individuals really made happen should named Ron Chid gey asked Rae Fritz Contest Director Ron Rae proceeded collect group experts handle vari ous specialties core experts would probably first agree Rae Fritz Ron Chidgey individuals deserve credit making World Championships world-class event Four-Cycle/Nutting Continued page 97 Tacie hand colorful Sig Clipped-Wing Cub Gemini Twin perfectly scaleilke aerobatics won award Most Realistic Flight Hawks Club planned few lowpressure events rally compe tition unnecessary participate like Tacie Karlsson elected just enjoy flying John Maloney World Engines donated what seemed like whole shipload 0S four-cycle engines affair Half given prizes competitive events other half awarded door prizes drawing list participants big prize Best Show jewel-like Kavan Twins second being raffled off underwrite Hawks expenses Rolls Royce four-cycle engines right now seems Kavan Twin least three planes powered twa 500 08W TO USE OEfltOfl 00 00 0000 ccci ,c 0P000 0005 0/C Ta MAKE P00050 MOnt Eid48008LE P00 Saga sew LOStnIMe Boo
Edition: Model Aviation - 1984/01
Page Numbers: 84, 85, 86, 87, 88, 89, 175, 176
HANNO PRETTNER Austria won 13th World Championships Radio Con trol aerobatic model aircraft Pensacola FL October 10-15 first place after four qualifying flights proceeded extend lead over other six fliers finals United States won team com petition Dave Brown finishing 3rd Steve Helms 7th Tony Frackowiak C I / part huge group specta tors came see superb RC Aerobatics flying resulted selection 1983 Individual Team FAI World Champions barely missed finals 8th pre event favorite Japan led during competition fade under late rush US team H Flying members managers top three teams pose portrait Left right Federal Republic Germany 3rd USA 1st Japan 2nd US zoomed end 84 Model Aviation Prettner along six others qual ified finals after four rounds com petition fliers other finalists order qualifying Bertram Lossen Germany Ivan Kristensen Canada Dave Brown USA Steve Helms USA Wolfgang Matt Liechtenstein Yoi chiro Akiba Japan After two rounds finals order changed somewhat Prettner Lossen Brown Kristensen Matt Akiba Helms top five teams USA Japan Germany Canada Austria Hanno Prettners impressive scores could pull team way top since teammates finished 23rd Adolf Panz 35th Hermann Kowarz J Seventy fliers represented 28 countries around world country entitled enter three fliers several teams two Tiny Liech tenstein represented two-time World Champion Wolfgang Matt brother Norbert high-quality flier would have made Liechtenstein real threat high place team championships Prettner took lead first round never looked back fliers expected give Hanno toughest battle Kristensen Canada Lossen Germany either couldnt earn high scores what appeared unofficial observers superior flights relatively poor flights counted Dave Brown stayed close never threat until posted score 1442 third round Prettner tied fourth round high flight score moved him second place within two points Prettner However Brown yielded Lossen Kristensen fourth round move back fourth place qualifying scoring complicated did manage confuse people Sim ply fliers faced two sets four judges twice during four qualifying rounds total score sum best flight scores front set judges way set judges scored higher other set could dominate selection champion made some interesting situations During Round 1 Steve Helms YS engine failed due faulty check valve high pump pres sure Suddenly 68th place Similarly Tony Frackowiak did another cardiac kid routine 19th place after first round During second round fuel nipple Webra spraybar popped off slid way back 62nd place 64th place after third round because use bad second-round score pressure him during fourth round re sponded fine score thought should have rewarded points moved him 8th place Meanwhile Helms improved own second-round score move 5th place qualifying scores Tony Frackowiak missed qualifying finals five points 2600 barely edged out Yoichiro Akiba Japan appeared Wolf gang Matt danger missing out finals first time seven World Championships qualified finish ing 42 points ahead Akiba Helms Frackowiak mov ing down finally back up placings US team total doing same dance After first round US team 14th place Following second round still 14th team moved up 9th place after third round led everyone end fourth round qualifying Japan led team standings through first three rounds basis strong consistent individual performances Akiba Yoshioka Naruke top 10 individual fliers four rounds Hanno Prettner flying new airplane calls Calypso did resemble other competition aircraft because anything looked like low-wing trainer conventional gear did have retractable gear Supertigre S61 muffled pipe just didnt look like airplane capable competing against other high-performance air planes However compete did verti cal performance outstanding dive speed controlled Kato ad justable-pitch propeller During discussion practice day said Calypso January 1984 85 Individual winners L-R Dave Brown 3rd Hanno Prettner 1st Bertram Lossen 2ndl share spotlight workers northwest Florida RC clubs helped run event Hans Prettner checks out wind for-son Hanno won third World Championship unlikely-looking model named Calypso Plain made fly lust beautifully Calypso Hannos turnaround-pattern prototype Full results Competition Newsletter section Bertram Lossen FR Germany placed second has noise level checked Red Palmer model US Master-class flier Ed Keck entrants passed noise checks Left Many sidelines thought Canadas Ivan Kristensen deserved better fourth-place finish judges didnt agree Ivan flew Citation Yoshiokas design magnificently Right Dave Browns Illusion took him third place wife Sally responded Now ye got go through another two years thisl Dave has US RC Aerobatics team times always places high Left When Steve Helms engine died early Round 1 flight prompted immediate transplant details text Right Gale Helms hustles son Steves plane runway during finals competition Steve flying Cosomos design Japans Giichi Naruke Left Two-time World Champs winner Wolfgang Matt Liechtenstein showed still has touch qualifying finals seventh straight time Plane Arrow Webra Racing LS engine turning Kato variable-pitch prop Right airplane three Japanese fliers absolutely beautiful Voichiro Akibas entry named Rocky Akiba Japanese finals prototype what will fly new FAT turnaround pattern turnaround-pattern airplane will larger Calypso will look very much same other top fliers new air planes too Second-place finisher Bertram Lossen flying new design calls Red Palmer generously contoured didnt appear flat place anywhere airplane Dave Brown flew Illusion modified Tiporare less anhedral horizontal tail appears have thinner wing pipe molded bottom fuselage Ivan Kristensen flying Citation de signed Tsugutaka Yoshioka 1973 World Champion us accus tomed seeing him fly versions popular Saturn design big surprise Ivan flies Citation well beaten Dave Brown 1983 Nats airplane way wife concerned might damage Cita 86 Model Aviation Left Cardiac Kid Tony Frackowiak gave everyone fits moving near end pack after second round eighth place end qualifying Tony cool under pressure Right Tsugutaka Voshioka 1973 World Champion readies Citation finished tenth cap splendid display competence consistency Japanese team three members placed within top 10 Left Frances Pascal Ardonceau split rudder Olympus cable-operated act unique speed brake Right Ruggero Pas qualini Italy flew beautifully-detailed model own design calls Galaxi Has three-blade 1 1-6% prop GT Models Left Hugo Peyer Switzerland flew model called Marvin designed Arnold Peyer used three-blade 10-7% Landert prop Right immaculately-finished airplane entered Andre Lafite France 31st French team 7th tion Canadian Nats convinced him fly Saturn finished second event Steve Helms competed newlycompleted Cosmos designed Giichi Nar uke finish absolutely flawless Steve could find flaws hed tell asked rest us couldnt see finish clear Im ron over K&B Superpoxy Wolfgang Matt flew popular Arrow Pattern fliers US dis covering formidable Pattern machine said flew getting old worn didnt look because well over 2000 flights Yoichiro Akiba flew new design called Rocky two airplanes finals YS 60 engine Steve Helms other big topics before World Championships noise requirement contestants engine propeller noise less 105db point January 1984 87 meter airplane airplane sitting ground sound meter height engine announced banquet 70 air planes passed noise tests have enormous effort part contestants achieve success noticeable difference thre air planes use special propellers propellers three blades higher pitches typically used Most fiberglass although few hand-crafted wooden propellers Several fli ers also increased propeller diameter order take advantage braking effect during dives provided increased disk area Hanno Prettner fliers take advantage beneficial effects larger-diameter propeller number human-interest stories could written about World Championships think best involved Jim Clarke Ireland Jim young man describes age Left Ivan Oliver South Africa flew Super Curare has competed last six World Champs Right Emil Giezendanner flew Scorpion III designed brother Bruno former World Champ Afterwards gave backup plane US Team Manager Dick Penrod Left Paul Behm Luxemburgl looks cold starts planes engine 500 early morning temperature Right ship fourcycle engine World Championships Jan Van Beeks Akro Saito 120 Jan Netherlandsplaced 44th team 14th Left Lucien Gerard readies own design called Barracuda Only age 23 has Luxemburgs national champion four times has participated two World Champs Right Whats Q-Rare Mario Quintanilla Mexico flew modified Curare conventional gear 88 Model Aviation full overslept first day qualifying combined bad transmission rented station wagon caused him arrive flight line five minutes before fly dis covered haste get field left wing bolts pipe bracket propeller motel dresser scramble among other entrants produced wing bolts Wolfgang Matt propeller tie wraps anonymous source large rubberband Dave Brown contingent proceeeded assemble Clarkes airplane starting box got airplane started time everyone de lighted until aileron servo connector failed just after takeoff resulting crash spoiled otherwise heartwarming story scariest thing happened dur ing Ivan Kristensens fourth-round flight large flock perhaps 200 birds appeared over horizon moved random manner toward flight line Ivan un aware presence until di rectly front judges about 600 feet away about 200 feet up middle eight-point roll time spotted can imagine ragged rest maneuver looked Jan Van Beek Netherlands probably unusual airplane because used Saito 120 four-cycle large 71in-wingspan Akro four-cycle the competition spectators liked different sound engine site World Championships more-or-less abandoned Navy airfield called Bronson Field located west Pensacola near beautiful Perdito Bay use field Navy heli copter training runways have Continued page 175 Left A beautiful Phoenix 8 TiOwn oy Alberto 1-lores sole entrant Peru Right Lots people gave Jim Clarke Ireland some quick help overslept arrived flight line five minutes before turn fly details text Left Note aileron linkage used Moon Ho Chol Korea Cosmos used two aileron servos drive surface directly Right Rae Fritz 1 Contest Director World Championships Bill Johnston monitoring frequency spectrum possible interference Left Team Australias manager Ron Tayles checks out Cohn Taylors maneuvers directly behind judges Burly caller Tom Prosser dwarfs teammate Right Early morning scene demonstrates Florida iSnt sunshine blue sky Perfect weather ended event January 1984 89 riodel per match lieu hange would encourage pilots take asy primary model maybe build little stronger Charlie Johnson 3716 graham Sr San iego CA 92109 Dver-EZ/Johnson continued paae 78 aper onto edge sheet top Lie other wide sections opposite nds Enough scrap also left fabricate wing tips Two Lite Ply sides glued vith 5-mm epoxy clamped onto oined top bottom engine bearer unit also traced ac ording plans except engine slot vidth will need vary power plant ust draw mid-line measure en ines width onto pattern used bin cryard clear pine stock T/0-in rather han -in Midwest basswood avail ible means use thicker pine sdds bit excess weight holes should drilled bearer before epoxying sides Locate goes drawing straight line fuselage sides exactly 900 front C-clamps used hold together epoxy sets landing gear mount epoxied bearer fuselage front -in tn angular stock added reinforcement model uses pre-bent wire unit Sig Banshee unit can bent shape very easily nylon clips have worked very well substitute original plysandwich mount Wing Cut master pattern two types wing ribs metal ply cut balsa ribs stacks trailing edge stock must trued straightedge make TE pinned flat building surface bottom spar shimmed up ribs added CyA glue used entire wing frame can dry assembled glued Wing center-section sheeting used origianl design obviously highly desirable added after panel removed building board Add -in tips scraps Carve sand leading edge tips center section shape fact wings identical have no joints center makes very rapid simple construc tion covered MonoKote have proven durable good twist resistance Final assembly Obviously tail feathers wing struts fabricated before step pre-finished wood covered portions model before assembly matter simplicity Masking tape used keep finish off areas epoxy joints would Place lower wing absolutely flat surface block position Epoxy fuselage onto area MonoKote has removed Use large 900 triangle position fuselage sides exactly right angles wing make sure fuselage 900 span wing Block securely epoxy cures Cut slots struts twin-rib areas bottom top wing trial-fit Epoxy top wing unto stillblocked-up fuselage bottom wing unit Use epoxy wing strut slots well Recheck unit squareness both planes pin weight wing tight joint against fuselage top Once epoxy cured add stabilizer fin Remove unit board finish adding landing gear wheels engine tank etc Control hookup pretty well self-explanatory used 3A2-in wire Z-bend crank end 4-40 links rod elevator horn Lead-outs come through reinfored section inboard strut Flying Presuming balance point CO adjusted moving engine back forth pre-assembly step / oz lead outboard wing tip engine will run thing pussycat fly Line tension remarkable such ancient design found con trol segments positioned outside holes specified hardware OverEZ docile enough beginner 25yet aerobatic advanced flier 35 Loops arent tight weve become accustomed flapped lightly-loaded contemporary Stunters yet has certain open gracefulness Whatever prospective builders age flying level OverEZ OldTimer Stunt models truly enjoyable RC Simulator/Levy Continued page 94 move plane different positions watch resulting profiles screen profiles have helped learn rec ognize whether plane flying toward going away gets out Its good training device rainy day build take flying field sure show colors get frequency pin off board transmitter really though trainer isnt air RC Aerobatics WC/Van Putte Continued page 89 unattended years As conse quence runways cracked grass has sprouted cracks contest organizers work weeks cut down remove tall grass left hundreds acres runway looking like grassy field Everyone looked forward beau tiful fall Florida weather because October known prettiest time year Florida panhandle can imagine THIS FUEL FEATURES ORUST PREVENTION AGENTS SDETERGENTS OLUBRICATION WITH HIGH FLASH POINTS eWEFlING AGENTS FOR MORE EFFICIENT AND DEPENDABLE FUEL FLOW OANTI-FOAMING AGENTS TO PREVENT LEAN RUNS KEEPS YOUR ENGINE RUNNING COOL OAN ODORLESS HIGHLY REFINED FUEL CHILDPROOF LIDS Available hAl 5 10 15 25 & 40% Nitro-Methane Contents Formulated synthetic lubricants Also aaiIabIe castor DEALERS WAN1ED DOMESTIC & OVERSEAS WE EXPORT competition fuel fast becoming THE CHOICE top profesionals first cash product Contact us price structures ordering information ManufacturerS Major Brand Distributors Model Engines Kits Rados Accessories SUPER K Fuels ore brand KINGS RADIO CONTROL HOBBIES INTERNATIONAL 3960 West 46 Ave Hialeah Florida 33042 305 557-2024 January 1984 175 specially formulated chemically balanced fuel top peutormance minimum engine wear weather condition beginner p. written illus trated RiCer over 50 years model air plane experience Teaches basic model aerodynam ics commonsense manner. covers radio equipment learning fly much Easy understand must RiC modelers library $1195 Please add $100 ordered direct Available hobby shops order direct ACE R/C BOX 511 HIGGINSVILLE MO 64037 GREAT PLANES MODEL DISTRIBUTOR BOX 725 URBANA ILLINOIS 61801 ZENITH AVIATION BOOKS BOX 1 OSCEOLA WISCONSIN 54020 CLELAND GIANTS GIANT SCALE BUFFS Worlds Largest Gas Plans Assortment INTERNATIONALLY FAMOUS C-D QUALITY MODELS PLANS 77 Locoobe Sedon $25 D7Fir$3973NAMiokBo,b $4 6 Pole Race $32 65 TMMoroode 8-26 $42 & So Gee-Bee $32 78 Sopoolh Pop $24 .oine 568 $34 81 DO 88oqolo tb $38 t9Soperoorioe S6t $32 108 DO Moeqo8oob S4t 62 Co- Hocok P-6E $36 61 Corli, tobjo 005 $16 94 Co9ck P-6E F, $54 98 Sico PTi7Koyde SAt 62 Lockheed Vgo $24 99 Ntik Wdooc P61 $65 Posl LNt-4 $28 71 DoogDC-3 Iron $29 le GB 11 $39 95 DoogDC-3 Tron $45 oope Spori $36 86 Hocok Teooco 13 $32 9 Bolldog $39 108 Co8201/4 L&S $56 61 non C-s Spi $35 78 Aroc SpiPcr A2 $3o glo 8-38 Ob $24 60 Dooglo 143 Moil $24 122 Dooglo 038 Oh $49 6$ 8iiol tolidog Fir $30 v ~094 Poge cr1 tocer $45 39 trocontoceMLA $54 Moln 810 took $29 107 Gro, teorci P87 $24 7tTo,ey WW Roc 835 73 Tocoel Aj 6800 $24 64 Ccr Gokk P112 $38 1071401 Mt-i $oc $46 okk P112 $54 91 Locdke0g NX2i 1 $39 Coc,el R0 824 61 AEG GIV Li 80, $24 MolIlgoc 935 108 PoichPTi9 7$59 94 too Mc Molligon $45 90 Woco TopeWj,g $39 63 Boeng P26A Pr $36 75 WHoIid Lyo,6e $33 84 toeng P-26A Fl $48 100 WeolId Lyonde $69 69 Woco 6 Cobi, $36 57Ford T,oci 4-AT $38 64 Beech 178 Slog 939 76 Food Tjcc0 4AT $45 68eenh 179 Slog$49114 Ford Ti,i 4AT$59 55 Lock ii Eleolco$2484 BerlJoce 9FJ3$56 ,..83 Lock 1 Eleocco$3393 Loenirog C2A,pk$99 o, T/W 087$1658 GoccJ3-P Dock$39 tlSlooo, TW 587$2478 Go,J2-F Dccl$56 122 Sl,,o, TW 087$32SOGoIho GiV to,$22 598 P2-B$20117 Golho G1V to,$39 788 o F, P2893268 Doog 0-46A Oh$32 WO 188 l P28545108 Sikor S38 Aopk$49 747 L Pesco Spec9456OBoe 100 SpocI$36 63 Sky ockel 07571$2090 Boe 100 Spool$49 560 Wookk P40$2490 Sli,Alooo Wi,0$56 - -78 Lock Ligkl,g P38$3880 Moli 7474141839 56 Rep SeoBee A,82475 H-Pg 0400 9o,b$25 j74 Rp Scot Acoplo$39100 HP9 0400 to,$49 Pp J3 ok 939 65 Mkioo lippe $50 99 Lo k Hodoo 8,k$3897 Mhio Ippe$69 63 G o, FOP Heilcol$2871 Loooo 2 Ajl,$24 *77 toe og8-l7OFol$2966 B0133 BO Jog,829 S4ool Socill XP934828 03900 8I7GFo,96968 tooW,kle 8,d845 08 RyoT Nooo$3963 L,dbeg ISicios824 68 BBocooo V Toil83955 ecolocHiod Fl8c,$32 NO KITSAVAILABLEIPicesokjeclochoge Cihe Scoles o,d Sizes frono 6 Spoo ooplele Wilk PoOe,, Fo, 25c ~--- Add 10 ioolloodeosfoo okippog Si,. coo. _____ USA Coo & Meo Elicookere odd 15% 120 ojl Pclooool cololog $150 Pice IjOl ocollo oboe 55c *byoi,Roeigeodd$1801* .rCLEVELAND MODEL&SUPPLY Co 103073 Daira6 A,Clenelond Ohio 44182 176Model Aviation everyones surprise Monday check-in day greeted misty rain Tuesday official practice day began heavy rain wind gradually eased off ended sunshine pleasant temperatures However evening early Wednesday morning first day com petition Pensacola struck thun derstorms rain ended soon after scheduled 700 am start competition began 15 minutes late skies grad ually cleared days schedule completed However Thursday morning started nasty cold wind 500 low overcast skieswhich delayed start two hours Moon Ho Choi Korea taken off official flight 700 am have airplane disappear overcast five seconds eternity got safely back ground flying extended hour past scheduled 200 pm stopping time permit partial catch up Friday morning again cold cloudy windy flights got off schedule An additional hour catch-up flying re sulted completion scheduled flights Friday Saturday morning devoted finish ing last round qualifying flights weather cooperated gradually clearing until fourth round ended bright sun shine balmy temperatures beautiful weather continued through final flights started 1230 pm lasted until approximately 315 pm scoring finals done eight judges line total score sum qualifying scores best score two final flights Consequently finals accounted half total score scores posted very soon after flight both qualifying finals thanks dedicated crew Score sheets handcarried flight line tabulating center processing scores radioed center area posting computer program World Championships written pro fessional programmer David H Dirty Dave Knowles non-modeler con tributed services After round individual scores team scores computer-ordered copies dis tributed contest officials team man agers eliminated numerous hand calcula tions everyone much faster could have possible otherwise Following finals everyone took four-hour break convened Pen sacola Country Club excellent buffetstyle meal formal awards ceremony Since able arrange 24-hour film processing 35mm Ektachrome slides over 200 slides already pro cessed wife Faith put together slide show carousel projector showed 160 best slides wall banquet room prior start banquet gave contestants sup porters chance see themselves action everyone seemed enjoy competition magnitude 1983 World Championships has group LPLANE** launching equipment hi-starts/winches/accessories complete line/best prices/top quality send self-addressed stamped envelope catalog/information RLF PRODUCTS R3 Box 178-V Paoli IN 47454181217234310 SILICONE gaoolin 10 foot coilsTUBING lD 062092 125u S POST $Icoil 235265 325 54r/COIL LARRY DODGE AERO INC 10210 MANNINGSTILLWATER MN 550B2 COMPLETELY FINISHED R/C AIRCRAFT Completely Finished RIC AircraftAll Sizes & Types Radio Engine Only CG Sky Teger.63 trainer $22500 Sig alp Wing J3 Cub--S4 Span $25000 SEND FOR COMPLETE LIST HOBBY CAPITOL R/C 46 N Oak St. VentUra California 93001 RADIO EQUIPMENT EXCHANGE Box 561 Park Forest Illinois 60466 List used radio equip ment sale No fee listing Escrow available Send SASE details hard-working individuals make come together Rather try name couldnt miss some think its fitting two individuals really made happen should named Ron Chid gey asked Rae Fritz Contest Director Ron Rae proceeded collect group experts handle vari ous specialties core experts would probably first agree Rae Fritz Ron Chidgey individuals deserve credit making World Championships world-class event Four-Cycle/Nutting Continued page 97 Tacie hand colorful Sig Clipped-Wing Cub Gemini Twin perfectly scaleilke aerobatics won award Most Realistic Flight Hawks Club planned few lowpressure events rally compe tition unnecessary participate like Tacie Karlsson elected just enjoy flying John Maloney World Engines donated what seemed like whole shipload 0S four-cycle engines affair Half given prizes competitive events other half awarded door prizes drawing list participants big prize Best Show jewel-like Kavan Twins second being raffled off underwrite Hawks expenses Rolls Royce four-cycle engines right now seems Kavan Twin least three planes powered twa 500 08W TO USE OEfltOfl 00 00 0000 ccci ,c 0P000 0005 0/C Ta MAKE P00050 MOnt Eid48008LE P00 Saga sew LOStnIMe Boo
Edition: Model Aviation - 1984/01
Page Numbers: 84, 85, 86, 87, 88, 89, 175, 176
HANNO PRETTNER Austria won 13th World Championships Radio Con trol aerobatic model aircraft Pensacola FL October 10-15 first place after four qualifying flights proceeded extend lead over other six fliers finals United States won team com petition Dave Brown finishing 3rd Steve Helms 7th Tony Frackowiak C I / part huge group specta tors came see superb RC Aerobatics flying resulted selection 1983 Individual Team FAI World Champions barely missed finals 8th pre event favorite Japan led during competition fade under late rush US team H Flying members managers top three teams pose portrait Left right Federal Republic Germany 3rd USA 1st Japan 2nd US zoomed end 84 Model Aviation Prettner along six others qual ified finals after four rounds com petition fliers other finalists order qualifying Bertram Lossen Germany Ivan Kristensen Canada Dave Brown USA Steve Helms USA Wolfgang Matt Liechtenstein Yoi chiro Akiba Japan After two rounds finals order changed somewhat Prettner Lossen Brown Kristensen Matt Akiba Helms top five teams USA Japan Germany Canada Austria Hanno Prettners impressive scores could pull team way top since teammates finished 23rd Adolf Panz 35th Hermann Kowarz J Seventy fliers represented 28 countries around world country entitled enter three fliers several teams two Tiny Liech tenstein represented two-time World Champion Wolfgang Matt brother Norbert high-quality flier would have made Liechtenstein real threat high place team championships Prettner took lead first round never looked back fliers expected give Hanno toughest battle Kristensen Canada Lossen Germany either couldnt earn high scores what appeared unofficial observers superior flights relatively poor flights counted Dave Brown stayed close never threat until posted score 1442 third round Prettner tied fourth round high flight score moved him second place within two points Prettner However Brown yielded Lossen Kristensen fourth round move back fourth place qualifying scoring complicated did manage confuse people Sim ply fliers faced two sets four judges twice during four qualifying rounds total score sum best flight scores front set judges way set judges scored higher other set could dominate selection champion made some interesting situations During Round 1 Steve Helms YS engine failed due faulty check valve high pump pres sure Suddenly 68th place Similarly Tony Frackowiak did another cardiac kid routine 19th place after first round During second round fuel nipple Webra spraybar popped off slid way back 62nd place 64th place after third round because use bad second-round score pressure him during fourth round re sponded fine score thought should have rewarded points moved him 8th place Meanwhile Helms improved own second-round score move 5th place qualifying scores Tony Frackowiak missed qualifying finals five points 2600 barely edged out Yoichiro Akiba Japan appeared Wolf gang Matt danger missing out finals first time seven World Championships qualified finish ing 42 points ahead Akiba Helms Frackowiak mov ing down finally back up placings US team total doing same dance After first round US team 14th place Following second round still 14th team moved up 9th place after third round led everyone end fourth round qualifying Japan led team standings through first three rounds basis strong consistent individual performances Akiba Yoshioka Naruke top 10 individual fliers four rounds Hanno Prettner flying new airplane calls Calypso did resemble other competition aircraft because anything looked like low-wing trainer conventional gear did have retractable gear Supertigre S61 muffled pipe just didnt look like airplane capable competing against other high-performance air planes However compete did verti cal performance outstanding dive speed controlled Kato ad justable-pitch propeller During discussion practice day said Calypso January 1984 85 Individual winners L-R Dave Brown 3rd Hanno Prettner 1st Bertram Lossen 2ndl share spotlight workers northwest Florida RC clubs helped run event Hans Prettner checks out wind for-son Hanno won third World Championship unlikely-looking model named Calypso Plain made fly lust beautifully Calypso Hannos turnaround-pattern prototype Full results Competition Newsletter section Bertram Lossen FR Germany placed second has noise level checked Red Palmer model US Master-class flier Ed Keck entrants passed noise checks Left Many sidelines thought Canadas Ivan Kristensen deserved better fourth-place finish judges didnt agree Ivan flew Citation Yoshiokas design magnificently Right Dave Browns Illusion took him third place wife Sally responded Now ye got go through another two years thisl Dave has US RC Aerobatics team times always places high Left When Steve Helms engine died early Round 1 flight prompted immediate transplant details text Right Gale Helms hustles son Steves plane runway during finals competition Steve flying Cosomos design Japans Giichi Naruke Left Two-time World Champs winner Wolfgang Matt Liechtenstein showed still has touch qualifying finals seventh straight time Plane Arrow Webra Racing LS engine turning Kato variable-pitch prop Right airplane three Japanese fliers absolutely beautiful Voichiro Akibas entry named Rocky Akiba Japanese finals prototype what will fly new FAT turnaround pattern turnaround-pattern airplane will larger Calypso will look very much same other top fliers new air planes too Second-place finisher Bertram Lossen flying new design calls Red Palmer generously contoured didnt appear flat place anywhere airplane Dave Brown flew Illusion modified Tiporare less anhedral horizontal tail appears have thinner wing pipe molded bottom fuselage Ivan Kristensen flying Citation de signed Tsugutaka Yoshioka 1973 World Champion us accus tomed seeing him fly versions popular Saturn design big surprise Ivan flies Citation well beaten Dave Brown 1983 Nats airplane way wife concerned might damage Cita 86 Model Aviation Left Cardiac Kid Tony Frackowiak gave everyone fits moving near end pack after second round eighth place end qualifying Tony cool under pressure Right Tsugutaka Voshioka 1973 World Champion readies Citation finished tenth cap splendid display competence consistency Japanese team three members placed within top 10 Left Frances Pascal Ardonceau split rudder Olympus cable-operated act unique speed brake Right Ruggero Pas qualini Italy flew beautifully-detailed model own design calls Galaxi Has three-blade 1 1-6% prop GT Models Left Hugo Peyer Switzerland flew model called Marvin designed Arnold Peyer used three-blade 10-7% Landert prop Right immaculately-finished airplane entered Andre Lafite France 31st French team 7th tion Canadian Nats convinced him fly Saturn finished second event Steve Helms competed newlycompleted Cosmos designed Giichi Nar uke finish absolutely flawless Steve could find flaws hed tell asked rest us couldnt see finish clear Im ron over K&B Superpoxy Wolfgang Matt flew popular Arrow Pattern fliers US dis covering formidable Pattern machine said flew getting old worn didnt look because well over 2000 flights Yoichiro Akiba flew new design called Rocky two airplanes finals YS 60 engine Steve Helms other big topics before World Championships noise requirement contestants engine propeller noise less 105db point January 1984 87 meter airplane airplane sitting ground sound meter height engine announced banquet 70 air planes passed noise tests have enormous effort part contestants achieve success noticeable difference thre air planes use special propellers propellers three blades higher pitches typically used Most fiberglass although few hand-crafted wooden propellers Several fli ers also increased propeller diameter order take advantage braking effect during dives provided increased disk area Hanno Prettner fliers take advantage beneficial effects larger-diameter propeller number human-interest stories could written about World Championships think best involved Jim Clarke Ireland Jim young man describes age Left Ivan Oliver South Africa flew Super Curare has competed last six World Champs Right Emil Giezendanner flew Scorpion III designed brother Bruno former World Champ Afterwards gave backup plane US Team Manager Dick Penrod Left Paul Behm Luxemburgl looks cold starts planes engine 500 early morning temperature Right ship fourcycle engine World Championships Jan Van Beeks Akro Saito 120 Jan Netherlandsplaced 44th team 14th Left Lucien Gerard readies own design called Barracuda Only age 23 has Luxemburgs national champion four times has participated two World Champs Right Whats Q-Rare Mario Quintanilla Mexico flew modified Curare conventional gear 88 Model Aviation full overslept first day qualifying combined bad transmission rented station wagon caused him arrive flight line five minutes before fly dis covered haste get field left wing bolts pipe bracket propeller motel dresser scramble among other entrants produced wing bolts Wolfgang Matt propeller tie wraps anonymous source large rubberband Dave Brown contingent proceeeded assemble Clarkes airplane starting box got airplane started time everyone de lighted until aileron servo connector failed just after takeoff resulting crash spoiled otherwise heartwarming story scariest thing happened dur ing Ivan Kristensens fourth-round flight large flock perhaps 200 birds appeared over horizon moved random manner toward flight line Ivan un aware presence until di rectly front judges about 600 feet away about 200 feet up middle eight-point roll time spotted can imagine ragged rest maneuver looked Jan Van Beek Netherlands probably unusual airplane because used Saito 120 four-cycle large 71in-wingspan Akro four-cycle the competition spectators liked different sound engine site World Championships more-or-less abandoned Navy airfield called Bronson Field located west Pensacola near beautiful Perdito Bay use field Navy heli copter training runways have Continued page 175 Left A beautiful Phoenix 8 TiOwn oy Alberto 1-lores sole entrant Peru Right Lots people gave Jim Clarke Ireland some quick help overslept arrived flight line five minutes before turn fly details text Left Note aileron linkage used Moon Ho Chol Korea Cosmos used two aileron servos drive surface directly Right Rae Fritz 1 Contest Director World Championships Bill Johnston monitoring frequency spectrum possible interference Left Team Australias manager Ron Tayles checks out Cohn Taylors maneuvers directly behind judges Burly caller Tom Prosser dwarfs teammate Right Early morning scene demonstrates Florida iSnt sunshine blue sky Perfect weather ended event January 1984 89 riodel per match lieu hange would encourage pilots take asy primary model maybe build little stronger Charlie Johnson 3716 graham Sr San iego CA 92109 Dver-EZ/Johnson continued paae 78 aper onto edge sheet top Lie other wide sections opposite nds Enough scrap also left fabricate wing tips Two Lite Ply sides glued vith 5-mm epoxy clamped onto oined top bottom engine bearer unit also traced ac ording plans except engine slot vidth will need vary power plant ust draw mid-line measure en ines width onto pattern used bin cryard clear pine stock T/0-in rather han -in Midwest basswood avail ible means use thicker pine sdds bit excess weight holes should drilled bearer before epoxying sides Locate goes drawing straight line fuselage sides exactly 900 front C-clamps used hold together epoxy sets landing gear mount epoxied bearer fuselage front -in tn angular stock added reinforcement model uses pre-bent wire unit Sig Banshee unit can bent shape very easily nylon clips have worked very well substitute original plysandwich mount Wing Cut master pattern two types wing ribs metal ply cut balsa ribs stacks trailing edge stock must trued straightedge make TE pinned flat building surface bottom spar shimmed up ribs added CyA glue used entire wing frame can dry assembled glued Wing center-section sheeting used origianl design obviously highly desirable added after panel removed building board Add -in tips scraps Carve sand leading edge tips center section shape fact wings identical have no joints center makes very rapid simple construc tion covered MonoKote have proven durable good twist resistance Final assembly Obviously tail feathers wing struts fabricated before step pre-finished wood covered portions model before assembly matter simplicity Masking tape used keep finish off areas epoxy joints would Place lower wing absolutely flat surface block position Epoxy fuselage onto area MonoKote has removed Use large 900 triangle position fuselage sides exactly right angles wing make sure fuselage 900 span wing Block securely epoxy cures Cut slots struts twin-rib areas bottom top wing trial-fit Epoxy top wing unto stillblocked-up fuselage bottom wing unit Use epoxy wing strut slots well Recheck unit squareness both planes pin weight wing tight joint against fuselage top Once epoxy cured add stabilizer fin Remove unit board finish adding landing gear wheels engine tank etc Control hookup pretty well self-explanatory used 3A2-in wire Z-bend crank end 4-40 links rod elevator horn Lead-outs come through reinfored section inboard strut Flying Presuming balance point CO adjusted moving engine back forth pre-assembly step / oz lead outboard wing tip engine will run thing pussycat fly Line tension remarkable such ancient design found con trol segments positioned outside holes specified hardware OverEZ docile enough beginner 25yet aerobatic advanced flier 35 Loops arent tight weve become accustomed flapped lightly-loaded contemporary Stunters yet has certain open gracefulness Whatever prospective builders age flying level OverEZ OldTimer Stunt models truly enjoyable RC Simulator/Levy Continued page 94 move plane different positions watch resulting profiles screen profiles have helped learn rec ognize whether plane flying toward going away gets out Its good training device rainy day build take flying field sure show colors get frequency pin off board transmitter really though trainer isnt air RC Aerobatics WC/Van Putte Continued page 89 unattended years As conse quence runways cracked grass has sprouted cracks contest organizers work weeks cut down remove tall grass left hundreds acres runway looking like grassy field Everyone looked forward beau tiful fall Florida weather because October known prettiest time year Florida panhandle can imagine THIS FUEL FEATURES ORUST PREVENTION AGENTS SDETERGENTS OLUBRICATION WITH HIGH FLASH POINTS eWEFlING AGENTS FOR MORE EFFICIENT AND DEPENDABLE FUEL FLOW OANTI-FOAMING AGENTS TO PREVENT LEAN RUNS KEEPS YOUR ENGINE RUNNING COOL OAN ODORLESS HIGHLY REFINED FUEL CHILDPROOF LIDS Available hAl 5 10 15 25 & 40% Nitro-Methane Contents Formulated synthetic lubricants Also aaiIabIe castor DEALERS WAN1ED DOMESTIC & OVERSEAS WE EXPORT competition fuel fast becoming THE CHOICE top profesionals first cash product Contact us price structures ordering information ManufacturerS Major Brand Distributors Model Engines Kits Rados Accessories SUPER K Fuels ore brand KINGS RADIO CONTROL HOBBIES INTERNATIONAL 3960 West 46 Ave Hialeah Florida 33042 305 557-2024 January 1984 175 specially formulated chemically balanced fuel top peutormance minimum engine wear weather condition beginner p. written illus trated RiCer over 50 years model air plane experience Teaches basic model aerodynam ics commonsense manner. covers radio equipment learning fly much Easy understand must RiC modelers library $1195 Please add $100 ordered direct Available hobby shops order direct ACE R/C BOX 511 HIGGINSVILLE MO 64037 GREAT PLANES MODEL DISTRIBUTOR BOX 725 URBANA ILLINOIS 61801 ZENITH AVIATION BOOKS BOX 1 OSCEOLA WISCONSIN 54020 CLELAND GIANTS GIANT SCALE BUFFS Worlds Largest Gas Plans Assortment INTERNATIONALLY FAMOUS C-D QUALITY MODELS PLANS 77 Locoobe Sedon $25 D7Fir$3973NAMiokBo,b $4 6 Pole Race $32 65 TMMoroode 8-26 $42 & So Gee-Bee $32 78 Sopoolh Pop $24 .oine 568 $34 81 DO 88oqolo tb $38 t9Soperoorioe S6t $32 108 DO Moeqo8oob S4t 62 Co- Hocok P-6E $36 61 Corli, tobjo 005 $16 94 Co9ck P-6E F, $54 98 Sico PTi7Koyde SAt 62 Lockheed Vgo $24 99 Ntik Wdooc P61 $65 Posl LNt-4 $28 71 DoogDC-3 Iron $29 le GB 11 $39 95 DoogDC-3 Tron $45 oope Spori $36 86 Hocok Teooco 13 $32 9 Bolldog $39 108 Co8201/4 L&S $56 61 non C-s Spi $35 78 Aroc SpiPcr A2 $3o glo 8-38 Ob $24 60 Dooglo 143 Moil $24 122 Dooglo 038 Oh $49 6$ 8iiol tolidog Fir $30 v ~094 Poge cr1 tocer $45 39 trocontoceMLA $54 Moln 810 took $29 107 Gro, teorci P87 $24 7tTo,ey WW Roc 835 73 Tocoel Aj 6800 $24 64 Ccr Gokk P112 $38 1071401 Mt-i $oc $46 okk P112 $54 91 Locdke0g NX2i 1 $39 Coc,el R0 824 61 AEG GIV Li 80, $24 MolIlgoc 935 108 PoichPTi9 7$59 94 too Mc Molligon $45 90 Woco TopeWj,g $39 63 Boeng P26A Pr $36 75 WHoIid Lyo,6e $33 84 toeng P-26A Fl $48 100 WeolId Lyonde $69 69 Woco 6 Cobi, $36 57Ford T,oci 4-AT $38 64 Beech 178 Slog 939 76 Food Tjcc0 4AT $45 68eenh 179 Slog$49114 Ford Ti,i 4AT$59 55 Lock ii Eleolco$2484 BerlJoce 9FJ3$56 ,..83 Lock 1 Eleocco$3393 Loenirog C2A,pk$99 o, T/W 087$1658 GoccJ3-P Dock$39 tlSlooo, TW 587$2478 Go,J2-F Dccl$56 122 Sl,,o, TW 087$32SOGoIho GiV to,$22 598 P2-B$20117 Golho G1V to,$39 788 o F, P2893268 Doog 0-46A Oh$32 WO 188 l P28545108 Sikor S38 Aopk$49 747 L Pesco Spec9456OBoe 100 SpocI$36 63 Sky ockel 07571$2090 Boe 100 Spool$49 560 Wookk P40$2490 Sli,Alooo Wi,0$56 - -78 Lock Ligkl,g P38$3880 Moli 7474141839 56 Rep SeoBee A,82475 H-Pg 0400 9o,b$25 j74 Rp Scot Acoplo$39100 HP9 0400 to,$49 Pp J3 ok 939 65 Mkioo lippe $50 99 Lo k Hodoo 8,k$3897 Mhio Ippe$69 63 G o, FOP Heilcol$2871 Loooo 2 Ajl,$24 *77 toe og8-l7OFol$2966 B0133 BO Jog,829 S4ool Socill XP934828 03900 8I7GFo,96968 tooW,kle 8,d845 08 RyoT Nooo$3963 L,dbeg ISicios824 68 BBocooo V Toil83955 ecolocHiod Fl8c,$32 NO KITSAVAILABLEIPicesokjeclochoge Cihe Scoles o,d Sizes frono 6 Spoo ooplele Wilk PoOe,, Fo, 25c ~--- Add 10 ioolloodeosfoo okippog Si,. coo. _____ USA Coo & Meo Elicookere odd 15% 120 ojl Pclooool cololog $150 Pice IjOl ocollo oboe 55c *byoi,Roeigeodd$1801* .rCLEVELAND MODEL&SUPPLY Co 103073 Daira6 A,Clenelond Ohio 44182 176Model Aviation everyones surprise Monday check-in day greeted misty rain Tuesday official practice day began heavy rain wind gradually eased off ended sunshine pleasant temperatures However evening early Wednesday morning first day com petition Pensacola struck thun derstorms rain ended soon after scheduled 700 am start competition began 15 minutes late skies grad ually cleared days schedule completed However Thursday morning started nasty cold wind 500 low overcast skieswhich delayed start two hours Moon Ho Choi Korea taken off official flight 700 am have airplane disappear overcast five seconds eternity got safely back ground flying extended hour past scheduled 200 pm stopping time permit partial catch up Friday morning again cold cloudy windy flights got off schedule An additional hour catch-up flying re sulted completion scheduled flights Friday Saturday morning devoted finish ing last round qualifying flights weather cooperated gradually clearing until fourth round ended bright sun shine balmy temperatures beautiful weather continued through final flights started 1230 pm lasted until approximately 315 pm scoring finals done eight judges line total score sum qualifying scores best score two final flights Consequently finals accounted half total score scores posted very soon after flight both qualifying finals thanks dedicated crew Score sheets handcarried flight line tabulating center processing scores radioed center area posting computer program World Championships written pro fessional programmer David H Dirty Dave Knowles non-modeler con tributed services After round individual scores team scores computer-ordered copies dis tributed contest officials team man agers eliminated numerous hand calcula tions everyone much faster could have possible otherwise Following finals everyone took four-hour break convened Pen sacola Country Club excellent buffetstyle meal formal awards ceremony Since able arrange 24-hour film processing 35mm Ektachrome slides over 200 slides already pro cessed wife Faith put together slide show carousel projector showed 160 best slides wall banquet room prior start banquet gave contestants sup porters chance see themselves action everyone seemed enjoy competition magnitude 1983 World Championships has group LPLANE** launching equipment hi-starts/winches/accessories complete line/best prices/top quality send self-addressed stamped envelope catalog/information RLF PRODUCTS R3 Box 178-V Paoli IN 47454181217234310 SILICONE gaoolin 10 foot coilsTUBING lD 062092 125u S POST $Icoil 235265 325 54r/COIL LARRY DODGE AERO INC 10210 MANNINGSTILLWATER MN 550B2 COMPLETELY FINISHED R/C AIRCRAFT Completely Finished RIC AircraftAll Sizes & Types Radio Engine Only CG Sky Teger.63 trainer $22500 Sig alp Wing J3 Cub--S4 Span $25000 SEND FOR COMPLETE LIST HOBBY CAPITOL R/C 46 N Oak St. VentUra California 93001 RADIO EQUIPMENT EXCHANGE Box 561 Park Forest Illinois 60466 List used radio equip ment sale No fee listing Escrow available Send SASE details hard-working individuals make come together Rather try name couldnt miss some think its fitting two individuals really made happen should named Ron Chid gey asked Rae Fritz Contest Director Ron Rae proceeded collect group experts handle vari ous specialties core experts would probably first agree Rae Fritz Ron Chidgey individuals deserve credit making World Championships world-class event Four-Cycle/Nutting Continued page 97 Tacie hand colorful Sig Clipped-Wing Cub Gemini Twin perfectly scaleilke aerobatics won award Most Realistic Flight Hawks Club planned few lowpressure events rally compe tition unnecessary participate like Tacie Karlsson elected just enjoy flying John Maloney World Engines donated what seemed like whole shipload 0S four-cycle engines affair Half given prizes competitive events other half awarded door prizes drawing list participants big prize Best Show jewel-like Kavan Twins second being raffled off underwrite Hawks expenses Rolls Royce four-cycle engines right now seems Kavan Twin least three planes powered twa 500 08W TO USE OEfltOfl 00 00 0000 ccci ,c 0P000 0005 0/C Ta MAKE P00050 MOnt Eid48008LE P00 Saga sew LOStnIMe Boo
Edition: Model Aviation - 1984/01
Page Numbers: 84, 85, 86, 87, 88, 89, 175, 176
HANNO PRETTNER Austria won 13th World Championships Radio Con trol aerobatic model aircraft Pensacola FL October 10-15 first place after four qualifying flights proceeded extend lead over other six fliers finals United States won team com petition Dave Brown finishing 3rd Steve Helms 7th Tony Frackowiak C I / part huge group specta tors came see superb RC Aerobatics flying resulted selection 1983 Individual Team FAI World Champions barely missed finals 8th pre event favorite Japan led during competition fade under late rush US team H Flying members managers top three teams pose portrait Left right Federal Republic Germany 3rd USA 1st Japan 2nd US zoomed end 84 Model Aviation Prettner along six others qual ified finals after four rounds com petition fliers other finalists order qualifying Bertram Lossen Germany Ivan Kristensen Canada Dave Brown USA Steve Helms USA Wolfgang Matt Liechtenstein Yoi chiro Akiba Japan After two rounds finals order changed somewhat Prettner Lossen Brown Kristensen Matt Akiba Helms top five teams USA Japan Germany Canada Austria Hanno Prettners impressive scores could pull team way top since teammates finished 23rd Adolf Panz 35th Hermann Kowarz J Seventy fliers represented 28 countries around world country entitled enter three fliers several teams two Tiny Liech tenstein represented two-time World Champion Wolfgang Matt brother Norbert high-quality flier would have made Liechtenstein real threat high place team championships Prettner took lead first round never looked back fliers expected give Hanno toughest battle Kristensen Canada Lossen Germany either couldnt earn high scores what appeared unofficial observers superior flights relatively poor flights counted Dave Brown stayed close never threat until posted score 1442 third round Prettner tied fourth round high flight score moved him second place within two points Prettner However Brown yielded Lossen Kristensen fourth round move back fourth place qualifying scoring complicated did manage confuse people Sim ply fliers faced two sets four judges twice during four qualifying rounds total score sum best flight scores front set judges way set judges scored higher other set could dominate selection champion made some interesting situations During Round 1 Steve Helms YS engine failed due faulty check valve high pump pres sure Suddenly 68th place Similarly Tony Frackowiak did another cardiac kid routine 19th place after first round During second round fuel nipple Webra spraybar popped off slid way back 62nd place 64th place after third round because use bad second-round score pressure him during fourth round re sponded fine score thought should have rewarded points moved him 8th place Meanwhile Helms improved own second-round score move 5th place qualifying scores Tony Frackowiak missed qualifying finals five points 2600 barely edged out Yoichiro Akiba Japan appeared Wolf gang Matt danger missing out finals first time seven World Championships qualified finish ing 42 points ahead Akiba Helms Frackowiak mov ing down finally back up placings US team total doing same dance After first round US team 14th place Following second round still 14th team moved up 9th place after third round led everyone end fourth round qualifying Japan led team standings through first three rounds basis strong consistent individual performances Akiba Yoshioka Naruke top 10 individual fliers four rounds Hanno Prettner flying new airplane calls Calypso did resemble other competition aircraft because anything looked like low-wing trainer conventional gear did have retractable gear Supertigre S61 muffled pipe just didnt look like airplane capable competing against other high-performance air planes However compete did verti cal performance outstanding dive speed controlled Kato ad justable-pitch propeller During discussion practice day said Calypso January 1984 85 Individual winners L-R Dave Brown 3rd Hanno Prettner 1st Bertram Lossen 2ndl share spotlight workers northwest Florida RC clubs helped run event Hans Prettner checks out wind for-son Hanno won third World Championship unlikely-looking model named Calypso Plain made fly lust beautifully Calypso Hannos turnaround-pattern prototype Full results Competition Newsletter section Bertram Lossen FR Germany placed second has noise level checked Red Palmer model US Master-class flier Ed Keck entrants passed noise checks Left Many sidelines thought Canadas Ivan Kristensen deserved better fourth-place finish judges didnt agree Ivan flew Citation Yoshiokas design magnificently Right Dave Browns Illusion took him third place wife Sally responded Now ye got go through another two years thisl Dave has US RC Aerobatics team times always places high Left When Steve Helms engine died early Round 1 flight prompted immediate transplant details text Right Gale Helms hustles son Steves plane runway during finals competition Steve flying Cosomos design Japans Giichi Naruke Left Two-time World Champs winner Wolfgang Matt Liechtenstein showed still has touch qualifying finals seventh straight time Plane Arrow Webra Racing LS engine turning Kato variable-pitch prop Right airplane three Japanese fliers absolutely beautiful Voichiro Akibas entry named Rocky Akiba Japanese finals prototype what will fly new FAT turnaround pattern turnaround-pattern airplane will larger Calypso will look very much same other top fliers new air planes too Second-place finisher Bertram Lossen flying new design calls Red Palmer generously contoured didnt appear flat place anywhere airplane Dave Brown flew Illusion modified Tiporare less anhedral horizontal tail appears have thinner wing pipe molded bottom fuselage Ivan Kristensen flying Citation de signed Tsugutaka Yoshioka 1973 World Champion us accus tomed seeing him fly versions popular Saturn design big surprise Ivan flies Citation well beaten Dave Brown 1983 Nats airplane way wife concerned might damage Cita 86 Model Aviation Left Cardiac Kid Tony Frackowiak gave everyone fits moving near end pack after second round eighth place end qualifying Tony cool under pressure Right Tsugutaka Voshioka 1973 World Champion readies Citation finished tenth cap splendid display competence consistency Japanese team three members placed within top 10 Left Frances Pascal Ardonceau split rudder Olympus cable-operated act unique speed brake Right Ruggero Pas qualini Italy flew beautifully-detailed model own design calls Galaxi Has three-blade 1 1-6% prop GT Models Left Hugo Peyer Switzerland flew model called Marvin designed Arnold Peyer used three-blade 10-7% Landert prop Right immaculately-finished airplane entered Andre Lafite France 31st French team 7th tion Canadian Nats convinced him fly Saturn finished second event Steve Helms competed newlycompleted Cosmos designed Giichi Nar uke finish absolutely flawless Steve could find flaws hed tell asked rest us couldnt see finish clear Im ron over K&B Superpoxy Wolfgang Matt flew popular Arrow Pattern fliers US dis covering formidable Pattern machine said flew getting old worn didnt look because well over 2000 flights Yoichiro Akiba flew new design called Rocky two airplanes finals YS 60 engine Steve Helms other big topics before World Championships noise requirement contestants engine propeller noise less 105db point January 1984 87 meter airplane airplane sitting ground sound meter height engine announced banquet 70 air planes passed noise tests have enormous effort part contestants achieve success noticeable difference thre air planes use special propellers propellers three blades higher pitches typically used Most fiberglass although few hand-crafted wooden propellers Several fli ers also increased propeller diameter order take advantage braking effect during dives provided increased disk area Hanno Prettner fliers take advantage beneficial effects larger-diameter propeller number human-interest stories could written about World Championships think best involved Jim Clarke Ireland Jim young man describes age Left Ivan Oliver South Africa flew Super Curare has competed last six World Champs Right Emil Giezendanner flew Scorpion III designed brother Bruno former World Champ Afterwards gave backup plane US Team Manager Dick Penrod Left Paul Behm Luxemburgl looks cold starts planes engine 500 early morning temperature Right ship fourcycle engine World Championships Jan Van Beeks Akro Saito 120 Jan Netherlandsplaced 44th team 14th Left Lucien Gerard readies own design called Barracuda Only age 23 has Luxemburgs national champion four times has participated two World Champs Right Whats Q-Rare Mario Quintanilla Mexico flew modified Curare conventional gear 88 Model Aviation full overslept first day qualifying combined bad transmission rented station wagon caused him arrive flight line five minutes before fly dis covered haste get field left wing bolts pipe bracket propeller motel dresser scramble among other entrants produced wing bolts Wolfgang Matt propeller tie wraps anonymous source large rubberband Dave Brown contingent proceeeded assemble Clarkes airplane starting box got airplane started time everyone de lighted until aileron servo connector failed just after takeoff resulting crash spoiled otherwise heartwarming story scariest thing happened dur ing Ivan Kristensens fourth-round flight large flock perhaps 200 birds appeared over horizon moved random manner toward flight line Ivan un aware presence until di rectly front judges about 600 feet away about 200 feet up middle eight-point roll time spotted can imagine ragged rest maneuver looked Jan Van Beek Netherlands probably unusual airplane because used Saito 120 four-cycle large 71in-wingspan Akro four-cycle the competition spectators liked different sound engine site World Championships more-or-less abandoned Navy airfield called Bronson Field located west Pensacola near beautiful Perdito Bay use field Navy heli copter training runways have Continued page 175 Left A beautiful Phoenix 8 TiOwn oy Alberto 1-lores sole entrant Peru Right Lots people gave Jim Clarke Ireland some quick help overslept arrived flight line five minutes before turn fly details text Left Note aileron linkage used Moon Ho Chol Korea Cosmos used two aileron servos drive surface directly Right Rae Fritz 1 Contest Director World Championships Bill Johnston monitoring frequency spectrum possible interference Left Team Australias manager Ron Tayles checks out Cohn Taylors maneuvers directly behind judges Burly caller Tom Prosser dwarfs teammate Right Early morning scene demonstrates Florida iSnt sunshine blue sky Perfect weather ended event January 1984 89 riodel per match lieu hange would encourage pilots take asy primary model maybe build little stronger Charlie Johnson 3716 graham Sr San iego CA 92109 Dver-EZ/Johnson continued paae 78 aper onto edge sheet top Lie other wide sections opposite nds Enough scrap also left fabricate wing tips Two Lite Ply sides glued vith 5-mm epoxy clamped onto oined top bottom engine bearer unit also traced ac ording plans except engine slot vidth will need vary power plant ust draw mid-line measure en ines width onto pattern used bin cryard clear pine stock T/0-in rather han -in Midwest basswood avail ible means use thicker pine sdds bit excess weight holes should drilled bearer before epoxying sides Locate goes drawing straight line fuselage sides exactly 900 front C-clamps used hold together epoxy sets landing gear mount epoxied bearer fuselage front -in tn angular stock added reinforcement model uses pre-bent wire unit Sig Banshee unit can bent shape very easily nylon clips have worked very well substitute original plysandwich mount Wing Cut master pattern two types wing ribs metal ply cut balsa ribs stacks trailing edge stock must trued straightedge make TE pinned flat building surface bottom spar shimmed up ribs added CyA glue used entire wing frame can dry assembled glued Wing center-section sheeting used origianl design obviously highly desirable added after panel removed building board Add -in tips scraps Carve sand leading edge tips center section shape fact wings identical have no joints center makes very rapid simple construc tion covered MonoKote have proven durable good twist resistance Final assembly Obviously tail feathers wing struts fabricated before step pre-finished wood covered portions model before assembly matter simplicity Masking tape used keep finish off areas epoxy joints would Place lower wing absolutely flat surface block position Epoxy fuselage onto area MonoKote has removed Use large 900 triangle position fuselage sides exactly right angles wing make sure fuselage 900 span wing Block securely epoxy cures Cut slots struts twin-rib areas bottom top wing trial-fit Epoxy top wing unto stillblocked-up fuselage bottom wing unit Use epoxy wing strut slots well Recheck unit squareness both planes pin weight wing tight joint against fuselage top Once epoxy cured add stabilizer fin Remove unit board finish adding landing gear wheels engine tank etc Control hookup pretty well self-explanatory used 3A2-in wire Z-bend crank end 4-40 links rod elevator horn Lead-outs come through reinfored section inboard strut Flying Presuming balance point CO adjusted moving engine back forth pre-assembly step / oz lead outboard wing tip engine will run thing pussycat fly Line tension remarkable such ancient design found con trol segments positioned outside holes specified hardware OverEZ docile enough beginner 25yet aerobatic advanced flier 35 Loops arent tight weve become accustomed flapped lightly-loaded contemporary Stunters yet has certain open gracefulness Whatever prospective builders age flying level OverEZ OldTimer Stunt models truly enjoyable RC Simulator/Levy Continued page 94 move plane different positions watch resulting profiles screen profiles have helped learn rec ognize whether plane flying toward going away gets out Its good training device rainy day build take flying field sure show colors get frequency pin off board transmitter really though trainer isnt air RC Aerobatics WC/Van Putte Continued page 89 unattended years As conse quence runways cracked grass has sprouted cracks contest organizers work weeks cut down remove tall grass left hundreds acres runway looking like grassy field Everyone looked forward beau tiful fall Florida weather because October known prettiest time year Florida panhandle can imagine THIS FUEL FEATURES ORUST PREVENTION AGENTS SDETERGENTS OLUBRICATION WITH HIGH FLASH POINTS eWEFlING AGENTS FOR MORE EFFICIENT AND DEPENDABLE FUEL FLOW OANTI-FOAMING AGENTS TO PREVENT LEAN RUNS KEEPS YOUR ENGINE RUNNING COOL OAN ODORLESS HIGHLY REFINED FUEL CHILDPROOF LIDS Available hAl 5 10 15 25 & 40% Nitro-Methane Contents Formulated synthetic lubricants Also aaiIabIe castor DEALERS WAN1ED DOMESTIC & OVERSEAS WE EXPORT competition fuel fast becoming THE CHOICE top profesionals first cash product Contact us price structures ordering information ManufacturerS Major Brand Distributors Model Engines Kits Rados Accessories SUPER K Fuels ore brand KINGS RADIO CONTROL HOBBIES INTERNATIONAL 3960 West 46 Ave Hialeah Florida 33042 305 557-2024 January 1984 175 specially formulated chemically balanced fuel top peutormance minimum engine wear weather condition beginner p. written illus trated RiCer over 50 years model air plane experience Teaches basic model aerodynam ics commonsense manner. covers radio equipment learning fly much Easy understand must RiC modelers library $1195 Please add $100 ordered direct Available hobby shops order direct ACE R/C BOX 511 HIGGINSVILLE MO 64037 GREAT PLANES MODEL DISTRIBUTOR BOX 725 URBANA ILLINOIS 61801 ZENITH AVIATION BOOKS BOX 1 OSCEOLA WISCONSIN 54020 CLELAND GIANTS GIANT SCALE BUFFS Worlds Largest Gas Plans Assortment INTERNATIONALLY FAMOUS C-D QUALITY MODELS PLANS 77 Locoobe Sedon $25 D7Fir$3973NAMiokBo,b $4 6 Pole Race $32 65 TMMoroode 8-26 $42 & So Gee-Bee $32 78 Sopoolh Pop $24 .oine 568 $34 81 DO 88oqolo tb $38 t9Soperoorioe S6t $32 108 DO Moeqo8oob S4t 62 Co- Hocok P-6E $36 61 Corli, tobjo 005 $16 94 Co9ck P-6E F, $54 98 Sico PTi7Koyde SAt 62 Lockheed Vgo $24 99 Ntik Wdooc P61 $65 Posl LNt-4 $28 71 DoogDC-3 Iron $29 le GB 11 $39 95 DoogDC-3 Tron $45 oope Spori $36 86 Hocok Teooco 13 $32 9 Bolldog $39 108 Co8201/4 L&S $56 61 non C-s Spi $35 78 Aroc SpiPcr A2 $3o glo 8-38 Ob $24 60 Dooglo 143 Moil $24 122 Dooglo 038 Oh $49 6$ 8iiol tolidog Fir $30 v ~094 Poge cr1 tocer $45 39 trocontoceMLA $54 Moln 810 took $29 107 Gro, teorci P87 $24 7tTo,ey WW Roc 835 73 Tocoel Aj 6800 $24 64 Ccr Gokk P112 $38 1071401 Mt-i $oc $46 okk P112 $54 91 Locdke0g NX2i 1 $39 Coc,el R0 824 61 AEG GIV Li 80, $24 MolIlgoc 935 108 PoichPTi9 7$59 94 too Mc Molligon $45 90 Woco TopeWj,g $39 63 Boeng P26A Pr $36 75 WHoIid Lyo,6e $33 84 toeng P-26A Fl $48 100 WeolId Lyonde $69 69 Woco 6 Cobi, $36 57Ford T,oci 4-AT $38 64 Beech 178 Slog 939 76 Food Tjcc0 4AT $45 68eenh 179 Slog$49114 Ford Ti,i 4AT$59 55 Lock ii Eleolco$2484 BerlJoce 9FJ3$56 ,..83 Lock 1 Eleocco$3393 Loenirog C2A,pk$99 o, T/W 087$1658 GoccJ3-P Dock$39 tlSlooo, TW 587$2478 Go,J2-F Dccl$56 122 Sl,,o, TW 087$32SOGoIho GiV to,$22 598 P2-B$20117 Golho G1V to,$39 788 o F, P2893268 Doog 0-46A Oh$32 WO 188 l P28545108 Sikor S38 Aopk$49 747 L Pesco Spec9456OBoe 100 SpocI$36 63 Sky ockel 07571$2090 Boe 100 Spool$49 560 Wookk P40$2490 Sli,Alooo Wi,0$56 - -78 Lock Ligkl,g P38$3880 Moli 7474141839 56 Rep SeoBee A,82475 H-Pg 0400 9o,b$25 j74 Rp Scot Acoplo$39100 HP9 0400 to,$49 Pp J3 ok 939 65 Mkioo lippe $50 99 Lo k Hodoo 8,k$3897 Mhio Ippe$69 63 G o, FOP Heilcol$2871 Loooo 2 Ajl,$24 *77 toe og8-l7OFol$2966 B0133 BO Jog,829 S4ool Socill XP934828 03900 8I7GFo,96968 tooW,kle 8,d845 08 RyoT Nooo$3963 L,dbeg ISicios824 68 BBocooo V Toil83955 ecolocHiod Fl8c,$32 NO KITSAVAILABLEIPicesokjeclochoge Cihe Scoles o,d Sizes frono 6 Spoo ooplele Wilk PoOe,, Fo, 25c ~--- Add 10 ioolloodeosfoo okippog Si,. coo. _____ USA Coo & Meo Elicookere odd 15% 120 ojl Pclooool cololog $150 Pice IjOl ocollo oboe 55c *byoi,Roeigeodd$1801* .rCLEVELAND MODEL&SUPPLY Co 103073 Daira6 A,Clenelond Ohio 44182 176Model Aviation everyones surprise Monday check-in day greeted misty rain Tuesday official practice day began heavy rain wind gradually eased off ended sunshine pleasant temperatures However evening early Wednesday morning first day com petition Pensacola struck thun derstorms rain ended soon after scheduled 700 am start competition began 15 minutes late skies grad ually cleared days schedule completed However Thursday morning started nasty cold wind 500 low overcast skieswhich delayed start two hours Moon Ho Choi Korea taken off official flight 700 am have airplane disappear overcast five seconds eternity got safely back ground flying extended hour past scheduled 200 pm stopping time permit partial catch up Friday morning again cold cloudy windy flights got off schedule An additional hour catch-up flying re sulted completion scheduled flights Friday Saturday morning devoted finish ing last round qualifying flights weather cooperated gradually clearing until fourth round ended bright sun shine balmy temperatures beautiful weather continued through final flights started 1230 pm lasted until approximately 315 pm scoring finals done eight judges line total score sum qualifying scores best score two final flights Consequently finals accounted half total score scores posted very soon after flight both qualifying finals thanks dedicated crew Score sheets handcarried flight line tabulating center processing scores radioed center area posting computer program World Championships written pro fessional programmer David H Dirty Dave Knowles non-modeler con tributed services After round individual scores team scores computer-ordered copies dis tributed contest officials team man agers eliminated numerous hand calcula tions everyone much faster could have possible otherwise Following finals everyone took four-hour break convened Pen sacola Country Club excellent buffetstyle meal formal awards ceremony Since able arrange 24-hour film processing 35mm Ektachrome slides over 200 slides already pro cessed wife Faith put together slide show carousel projector showed 160 best slides wall banquet room prior start banquet gave contestants sup porters chance see themselves action everyone seemed enjoy competition magnitude 1983 World Championships has group LPLANE** launching equipment hi-starts/winches/accessories complete line/best prices/top quality send self-addressed stamped envelope catalog/information RLF PRODUCTS R3 Box 178-V Paoli IN 47454181217234310 SILICONE gaoolin 10 foot coilsTUBING lD 062092 125u S POST $Icoil 235265 325 54r/COIL LARRY DODGE AERO INC 10210 MANNINGSTILLWATER MN 550B2 COMPLETELY FINISHED R/C AIRCRAFT Completely Finished RIC AircraftAll Sizes & Types Radio Engine Only CG Sky Teger.63 trainer $22500 Sig alp Wing J3 Cub--S4 Span $25000 SEND FOR COMPLETE LIST HOBBY CAPITOL R/C 46 N Oak St. VentUra California 93001 RADIO EQUIPMENT EXCHANGE Box 561 Park Forest Illinois 60466 List used radio equip ment sale No fee listing Escrow available Send SASE details hard-working individuals make come together Rather try name couldnt miss some think its fitting two individuals really made happen should named Ron Chid gey asked Rae Fritz Contest Director Ron Rae proceeded collect group experts handle vari ous specialties core experts would probably first agree Rae Fritz Ron Chidgey individuals deserve credit making World Championships world-class event Four-Cycle/Nutting Continued page 97 Tacie hand colorful Sig Clipped-Wing Cub Gemini Twin perfectly scaleilke aerobatics won award Most Realistic Flight Hawks Club planned few lowpressure events rally compe tition unnecessary participate like Tacie Karlsson elected just enjoy flying John Maloney World Engines donated what seemed like whole shipload 0S four-cycle engines affair Half given prizes competitive events other half awarded door prizes drawing list participants big prize Best Show jewel-like Kavan Twins second being raffled off underwrite Hawks expenses Rolls Royce four-cycle engines right now seems Kavan Twin least three planes powered twa 500 08W TO USE OEfltOfl 00 00 0000 ccci ,c 0P000 0005 0/C Ta MAKE P00050 MOnt Eid48008LE P00 Saga sew LOStnIMe Boo
Edition: Model Aviation - 1984/01
Page Numbers: 84, 85, 86, 87, 88, 89, 175, 176
HANNO PRETTNER Austria won 13th World Championships Radio Con trol aerobatic model aircraft Pensacola FL October 10-15 first place after four qualifying flights proceeded extend lead over other six fliers finals United States won team com petition Dave Brown finishing 3rd Steve Helms 7th Tony Frackowiak C I / part huge group specta tors came see superb RC Aerobatics flying resulted selection 1983 Individual Team FAI World Champions barely missed finals 8th pre event favorite Japan led during competition fade under late rush US team H Flying members managers top three teams pose portrait Left right Federal Republic Germany 3rd USA 1st Japan 2nd US zoomed end 84 Model Aviation Prettner along six others qual ified finals after four rounds com petition fliers other finalists order qualifying Bertram Lossen Germany Ivan Kristensen Canada Dave Brown USA Steve Helms USA Wolfgang Matt Liechtenstein Yoi chiro Akiba Japan After two rounds finals order changed somewhat Prettner Lossen Brown Kristensen Matt Akiba Helms top five teams USA Japan Germany Canada Austria Hanno Prettners impressive scores could pull team way top since teammates finished 23rd Adolf Panz 35th Hermann Kowarz J Seventy fliers represented 28 countries around world country entitled enter three fliers several teams two Tiny Liech tenstein represented two-time World Champion Wolfgang Matt brother Norbert high-quality flier would have made Liechtenstein real threat high place team championships Prettner took lead first round never looked back fliers expected give Hanno toughest battle Kristensen Canada Lossen Germany either couldnt earn high scores what appeared unofficial observers superior flights relatively poor flights counted Dave Brown stayed close never threat until posted score 1442 third round Prettner tied fourth round high flight score moved him second place within two points Prettner However Brown yielded Lossen Kristensen fourth round move back fourth place qualifying scoring complicated did manage confuse people Sim ply fliers faced two sets four judges twice during four qualifying rounds total score sum best flight scores front set judges way set judges scored higher other set could dominate selection champion made some interesting situations During Round 1 Steve Helms YS engine failed due faulty check valve high pump pres sure Suddenly 68th place Similarly Tony Frackowiak did another cardiac kid routine 19th place after first round During second round fuel nipple Webra spraybar popped off slid way back 62nd place 64th place after third round because use bad second-round score pressure him during fourth round re sponded fine score thought should have rewarded points moved him 8th place Meanwhile Helms improved own second-round score move 5th place qualifying scores Tony Frackowiak missed qualifying finals five points 2600 barely edged out Yoichiro Akiba Japan appeared Wolf gang Matt danger missing out finals first time seven World Championships qualified finish ing 42 points ahead Akiba Helms Frackowiak mov ing down finally back up placings US team total doing same dance After first round US team 14th place Following second round still 14th team moved up 9th place after third round led everyone end fourth round qualifying Japan led team standings through first three rounds basis strong consistent individual performances Akiba Yoshioka Naruke top 10 individual fliers four rounds Hanno Prettner flying new airplane calls Calypso did resemble other competition aircraft because anything looked like low-wing trainer conventional gear did have retractable gear Supertigre S61 muffled pipe just didnt look like airplane capable competing against other high-performance air planes However compete did verti cal performance outstanding dive speed controlled Kato ad justable-pitch propeller During discussion practice day said Calypso January 1984 85 Individual winners L-R Dave Brown 3rd Hanno Prettner 1st Bertram Lossen 2ndl share spotlight workers northwest Florida RC clubs helped run event Hans Prettner checks out wind for-son Hanno won third World Championship unlikely-looking model named Calypso Plain made fly lust beautifully Calypso Hannos turnaround-pattern prototype Full results Competition Newsletter section Bertram Lossen FR Germany placed second has noise level checked Red Palmer model US Master-class flier Ed Keck entrants passed noise checks Left Many sidelines thought Canadas Ivan Kristensen deserved better fourth-place finish judges didnt agree Ivan flew Citation Yoshiokas design magnificently Right Dave Browns Illusion took him third place wife Sally responded Now ye got go through another two years thisl Dave has US RC Aerobatics team times always places high Left When Steve Helms engine died early Round 1 flight prompted immediate transplant details text Right Gale Helms hustles son Steves plane runway during finals competition Steve flying Cosomos design Japans Giichi Naruke Left Two-time World Champs winner Wolfgang Matt Liechtenstein showed still has touch qualifying finals seventh straight time Plane Arrow Webra Racing LS engine turning Kato variable-pitch prop Right airplane three Japanese fliers absolutely beautiful Voichiro Akibas entry named Rocky Akiba Japanese finals prototype what will fly new FAT turnaround pattern turnaround-pattern airplane will larger Calypso will look very much same other top fliers new air planes too Second-place finisher Bertram Lossen flying new design calls Red Palmer generously contoured didnt appear flat place anywhere airplane Dave Brown flew Illusion modified Tiporare less anhedral horizontal tail appears have thinner wing pipe molded bottom fuselage Ivan Kristensen flying Citation de signed Tsugutaka Yoshioka 1973 World Champion us accus tomed seeing him fly versions popular Saturn design big surprise Ivan flies Citation well beaten Dave Brown 1983 Nats airplane way wife concerned might damage Cita 86 Model Aviation Left Cardiac Kid Tony Frackowiak gave everyone fits moving near end pack after second round eighth place end qualifying Tony cool under pressure Right Tsugutaka Voshioka 1973 World Champion readies Citation finished tenth cap splendid display competence consistency Japanese team three members placed within top 10 Left Frances Pascal Ardonceau split rudder Olympus cable-operated act unique speed brake Right Ruggero Pas qualini Italy flew beautifully-detailed model own design calls Galaxi Has three-blade 1 1-6% prop GT Models Left Hugo Peyer Switzerland flew model called Marvin designed Arnold Peyer used three-blade 10-7% Landert prop Right immaculately-finished airplane entered Andre Lafite France 31st French team 7th tion Canadian Nats convinced him fly Saturn finished second event Steve Helms competed newlycompleted Cosmos designed Giichi Nar uke finish absolutely flawless Steve could find flaws hed tell asked rest us couldnt see finish clear Im ron over K&B Superpoxy Wolfgang Matt flew popular Arrow Pattern fliers US dis covering formidable Pattern machine said flew getting old worn didnt look because well over 2000 flights Yoichiro Akiba flew new design called Rocky two airplanes finals YS 60 engine Steve Helms other big topics before World Championships noise requirement contestants engine propeller noise less 105db point January 1984 87 meter airplane airplane sitting ground sound meter height engine announced banquet 70 air planes passed noise tests have enormous effort part contestants achieve success noticeable difference thre air planes use special propellers propellers three blades higher pitches typically used Most fiberglass although few hand-crafted wooden propellers Several fli ers also increased propeller diameter order take advantage braking effect during dives provided increased disk area Hanno Prettner fliers take advantage beneficial effects larger-diameter propeller number human-interest stories could written about World Championships think best involved Jim Clarke Ireland Jim young man describes age Left Ivan Oliver South Africa flew Super Curare has competed last six World Champs Right Emil Giezendanner flew Scorpion III designed brother Bruno former World Champ Afterwards gave backup plane US Team Manager Dick Penrod Left Paul Behm Luxemburgl looks cold starts planes engine 500 early morning temperature Right ship fourcycle engine World Championships Jan Van Beeks Akro Saito 120 Jan Netherlandsplaced 44th team 14th Left Lucien Gerard readies own design called Barracuda Only age 23 has Luxemburgs national champion four times has participated two World Champs Right Whats Q-Rare Mario Quintanilla Mexico flew modified Curare conventional gear 88 Model Aviation full overslept first day qualifying combined bad transmission rented station wagon caused him arrive flight line five minutes before fly dis covered haste get field left wing bolts pipe bracket propeller motel dresser scramble among other entrants produced wing bolts Wolfgang Matt propeller tie wraps anonymous source large rubberband Dave Brown contingent proceeeded assemble Clarkes airplane starting box got airplane started time everyone de lighted until aileron servo connector failed just after takeoff resulting crash spoiled otherwise heartwarming story scariest thing happened dur ing Ivan Kristensens fourth-round flight large flock perhaps 200 birds appeared over horizon moved random manner toward flight line Ivan un aware presence until di rectly front judges about 600 feet away about 200 feet up middle eight-point roll time spotted can imagine ragged rest maneuver looked Jan Van Beek Netherlands probably unusual airplane because used Saito 120 four-cycle large 71in-wingspan Akro four-cycle the competition spectators liked different sound engine site World Championships more-or-less abandoned Navy airfield called Bronson Field located west Pensacola near beautiful Perdito Bay use field Navy heli copter training runways have Continued page 175 Left A beautiful Phoenix 8 TiOwn oy Alberto 1-lores sole entrant Peru Right Lots people gave Jim Clarke Ireland some quick help overslept arrived flight line five minutes before turn fly details text Left Note aileron linkage used Moon Ho Chol Korea Cosmos used two aileron servos drive surface directly Right Rae Fritz 1 Contest Director World Championships Bill Johnston monitoring frequency spectrum possible interference Left Team Australias manager Ron Tayles checks out Cohn Taylors maneuvers directly behind judges Burly caller Tom Prosser dwarfs teammate Right Early morning scene demonstrates Florida iSnt sunshine blue sky Perfect weather ended event January 1984 89 riodel per match lieu hange would encourage pilots take asy primary model maybe build little stronger Charlie Johnson 3716 graham Sr San iego CA 92109 Dver-EZ/Johnson continued paae 78 aper onto edge sheet top Lie other wide sections opposite nds Enough scrap also left fabricate wing tips Two Lite Ply sides glued vith 5-mm epoxy clamped onto oined top bottom engine bearer unit also traced ac ording plans except engine slot vidth will need vary power plant ust draw mid-line measure en ines width onto pattern used bin cryard clear pine stock T/0-in rather han -in Midwest basswood avail ible means use thicker pine sdds bit excess weight holes should drilled bearer before epoxying sides Locate goes drawing straight line fuselage sides exactly 900 front C-clamps used hold together epoxy sets landing gear mount epoxied bearer fuselage front -in tn angular stock added reinforcement model uses pre-bent wire unit Sig Banshee unit can bent shape very easily nylon clips have worked very well substitute original plysandwich mount Wing Cut master pattern two types wing ribs metal ply cut balsa ribs stacks trailing edge stock must trued straightedge make TE pinned flat building surface bottom spar shimmed up ribs added CyA glue used entire wing frame can dry assembled glued Wing center-section sheeting used origianl design obviously highly desirable added after panel removed building board Add -in tips scraps Carve sand leading edge tips center section shape fact wings identical have no joints center makes very rapid simple construc tion covered MonoKote have proven durable good twist resistance Final assembly Obviously tail feathers wing struts fabricated before step pre-finished wood covered portions model before assembly matter simplicity Masking tape used keep finish off areas epoxy joints would Place lower wing absolutely flat surface block position Epoxy fuselage onto area MonoKote has removed Use large 900 triangle position fuselage sides exactly right angles wing make sure fuselage 900 span wing Block securely epoxy cures Cut slots struts twin-rib areas bottom top wing trial-fit Epoxy top wing unto stillblocked-up fuselage bottom wing unit Use epoxy wing strut slots well Recheck unit squareness both planes pin weight wing tight joint against fuselage top Once epoxy cured add stabilizer fin Remove unit board finish adding landing gear wheels engine tank etc Control hookup pretty well self-explanatory used 3A2-in wire Z-bend crank end 4-40 links rod elevator horn Lead-outs come through reinfored section inboard strut Flying Presuming balance point CO adjusted moving engine back forth pre-assembly step / oz lead outboard wing tip engine will run thing pussycat fly Line tension remarkable such ancient design found con trol segments positioned outside holes specified hardware OverEZ docile enough beginner 25yet aerobatic advanced flier 35 Loops arent tight weve become accustomed flapped lightly-loaded contemporary Stunters yet has certain open gracefulness Whatever prospective builders age flying level OverEZ OldTimer Stunt models truly enjoyable RC Simulator/Levy Continued page 94 move plane different positions watch resulting profiles screen profiles have helped learn rec ognize whether plane flying toward going away gets out Its good training device rainy day build take flying field sure show colors get frequency pin off board transmitter really though trainer isnt air RC Aerobatics WC/Van Putte Continued page 89 unattended years As conse quence runways cracked grass has sprouted cracks contest organizers work weeks cut down remove tall grass left hundreds acres runway looking like grassy field Everyone looked forward beau tiful fall Florida weather because October known prettiest time year Florida panhandle can imagine THIS FUEL FEATURES ORUST PREVENTION AGENTS SDETERGENTS OLUBRICATION WITH HIGH FLASH POINTS eWEFlING AGENTS FOR MORE EFFICIENT AND DEPENDABLE FUEL FLOW OANTI-FOAMING AGENTS TO PREVENT LEAN RUNS KEEPS YOUR ENGINE RUNNING COOL OAN ODORLESS HIGHLY REFINED FUEL CHILDPROOF LIDS Available hAl 5 10 15 25 & 40% Nitro-Methane Contents Formulated synthetic lubricants Also aaiIabIe castor DEALERS WAN1ED DOMESTIC & OVERSEAS WE EXPORT competition fuel fast becoming THE CHOICE top profesionals first cash product Contact us price structures ordering information ManufacturerS Major Brand Distributors Model Engines Kits Rados Accessories SUPER K Fuels ore brand KINGS RADIO CONTROL HOBBIES INTERNATIONAL 3960 West 46 Ave Hialeah Florida 33042 305 557-2024 January 1984 175 specially formulated chemically balanced fuel top peutormance minimum engine wear weather condition beginner p. written illus trated RiCer over 50 years model air plane experience Teaches basic model aerodynam ics commonsense manner. covers radio equipment learning fly much Easy understand must RiC modelers library $1195 Please add $100 ordered direct Available hobby shops order direct ACE R/C BOX 511 HIGGINSVILLE MO 64037 GREAT PLANES MODEL DISTRIBUTOR BOX 725 URBANA ILLINOIS 61801 ZENITH AVIATION BOOKS BOX 1 OSCEOLA WISCONSIN 54020 CLELAND GIANTS GIANT SCALE BUFFS Worlds Largest Gas Plans Assortment INTERNATIONALLY FAMOUS C-D QUALITY MODELS PLANS 77 Locoobe Sedon $25 D7Fir$3973NAMiokBo,b $4 6 Pole Race $32 65 TMMoroode 8-26 $42 & So Gee-Bee $32 78 Sopoolh Pop $24 .oine 568 $34 81 DO 88oqolo tb $38 t9Soperoorioe S6t $32 108 DO Moeqo8oob S4t 62 Co- Hocok P-6E $36 61 Corli, tobjo 005 $16 94 Co9ck P-6E F, $54 98 Sico PTi7Koyde SAt 62 Lockheed Vgo $24 99 Ntik Wdooc P61 $65 Posl LNt-4 $28 71 DoogDC-3 Iron $29 le GB 11 $39 95 DoogDC-3 Tron $45 oope Spori $36 86 Hocok Teooco 13 $32 9 Bolldog $39 108 Co8201/4 L&S $56 61 non C-s Spi $35 78 Aroc SpiPcr A2 $3o glo 8-38 Ob $24 60 Dooglo 143 Moil $24 122 Dooglo 038 Oh $49 6$ 8iiol tolidog Fir $30 v ~094 Poge cr1 tocer $45 39 trocontoceMLA $54 Moln 810 took $29 107 Gro, teorci P87 $24 7tTo,ey WW Roc 835 73 Tocoel Aj 6800 $24 64 Ccr Gokk P112 $38 1071401 Mt-i $oc $46 okk P112 $54 91 Locdke0g NX2i 1 $39 Coc,el R0 824 61 AEG GIV Li 80, $24 MolIlgoc 935 108 PoichPTi9 7$59 94 too Mc Molligon $45 90 Woco TopeWj,g $39 63 Boeng P26A Pr $36 75 WHoIid Lyo,6e $33 84 toeng P-26A Fl $48 100 WeolId Lyonde $69 69 Woco 6 Cobi, $36 57Ford T,oci 4-AT $38 64 Beech 178 Slog 939 76 Food Tjcc0 4AT $45 68eenh 179 Slog$49114 Ford Ti,i 4AT$59 55 Lock ii Eleolco$2484 BerlJoce 9FJ3$56 ,..83 Lock 1 Eleocco$3393 Loenirog C2A,pk$99 o, T/W 087$1658 GoccJ3-P Dock$39 tlSlooo, TW 587$2478 Go,J2-F Dccl$56 122 Sl,,o, TW 087$32SOGoIho GiV to,$22 598 P2-B$20117 Golho G1V to,$39 788 o F, P2893268 Doog 0-46A Oh$32 WO 188 l P28545108 Sikor S38 Aopk$49 747 L Pesco Spec9456OBoe 100 SpocI$36 63 Sky ockel 07571$2090 Boe 100 Spool$49 560 Wookk P40$2490 Sli,Alooo Wi,0$56 - -78 Lock Ligkl,g P38$3880 Moli 7474141839 56 Rep SeoBee A,82475 H-Pg 0400 9o,b$25 j74 Rp Scot Acoplo$39100 HP9 0400 to,$49 Pp J3 ok 939 65 Mkioo lippe $50 99 Lo k Hodoo 8,k$3897 Mhio Ippe$69 63 G o, FOP Heilcol$2871 Loooo 2 Ajl,$24 *77 toe og8-l7OFol$2966 B0133 BO Jog,829 S4ool Socill XP934828 03900 8I7GFo,96968 tooW,kle 8,d845 08 RyoT Nooo$3963 L,dbeg ISicios824 68 BBocooo V Toil83955 ecolocHiod Fl8c,$32 NO KITSAVAILABLEIPicesokjeclochoge Cihe Scoles o,d Sizes frono 6 Spoo ooplele Wilk PoOe,, Fo, 25c ~--- Add 10 ioolloodeosfoo okippog Si,. coo. _____ USA Coo & Meo Elicookere odd 15% 120 ojl Pclooool cololog $150 Pice IjOl ocollo oboe 55c *byoi,Roeigeodd$1801* .rCLEVELAND MODEL&SUPPLY Co 103073 Daira6 A,Clenelond Ohio 44182 176Model Aviation everyones surprise Monday check-in day greeted misty rain Tuesday official practice day began heavy rain wind gradually eased off ended sunshine pleasant temperatures However evening early Wednesday morning first day com petition Pensacola struck thun derstorms rain ended soon after scheduled 700 am start competition began 15 minutes late skies grad ually cleared days schedule completed However Thursday morning started nasty cold wind 500 low overcast skieswhich delayed start two hours Moon Ho Choi Korea taken off official flight 700 am have airplane disappear overcast five seconds eternity got safely back ground flying extended hour past scheduled 200 pm stopping time permit partial catch up Friday morning again cold cloudy windy flights got off schedule An additional hour catch-up flying re sulted completion scheduled flights Friday Saturday morning devoted finish ing last round qualifying flights weather cooperated gradually clearing until fourth round ended bright sun shine balmy temperatures beautiful weather continued through final flights started 1230 pm lasted until approximately 315 pm scoring finals done eight judges line total score sum qualifying scores best score two final flights Consequently finals accounted half total score scores posted very soon after flight both qualifying finals thanks dedicated crew Score sheets handcarried flight line tabulating center processing scores radioed center area posting computer program World Championships written pro fessional programmer David H Dirty Dave Knowles non-modeler con tributed services After round individual scores team scores computer-ordered copies dis tributed contest officials team man agers eliminated numerous hand calcula tions everyone much faster could have possible otherwise Following finals everyone took four-hour break convened Pen sacola Country Club excellent buffetstyle meal formal awards ceremony Since able arrange 24-hour film processing 35mm Ektachrome slides over 200 slides already pro cessed wife Faith put together slide show carousel projector showed 160 best slides wall banquet room prior start banquet gave contestants sup porters chance see themselves action everyone seemed enjoy competition magnitude 1983 World Championships has group LPLANE** launching equipment hi-starts/winches/accessories complete line/best prices/top quality send self-addressed stamped envelope catalog/information RLF PRODUCTS R3 Box 178-V Paoli IN 47454181217234310 SILICONE gaoolin 10 foot coilsTUBING lD 062092 125u S POST $Icoil 235265 325 54r/COIL LARRY DODGE AERO INC 10210 MANNINGSTILLWATER MN 550B2 COMPLETELY FINISHED R/C AIRCRAFT Completely Finished RIC AircraftAll Sizes & Types Radio Engine Only CG Sky Teger.63 trainer $22500 Sig alp Wing J3 Cub--S4 Span $25000 SEND FOR COMPLETE LIST HOBBY CAPITOL R/C 46 N Oak St. VentUra California 93001 RADIO EQUIPMENT EXCHANGE Box 561 Park Forest Illinois 60466 List used radio equip ment sale No fee listing Escrow available Send SASE details hard-working individuals make come together Rather try name couldnt miss some think its fitting two individuals really made happen should named Ron Chid gey asked Rae Fritz Contest Director Ron Rae proceeded collect group experts handle vari ous specialties core experts would probably first agree Rae Fritz Ron Chidgey individuals deserve credit making World Championships world-class event Four-Cycle/Nutting Continued page 97 Tacie hand colorful Sig Clipped-Wing Cub Gemini Twin perfectly scaleilke aerobatics won award Most Realistic Flight Hawks Club planned few lowpressure events rally compe tition unnecessary participate like Tacie Karlsson elected just enjoy flying John Maloney World Engines donated what seemed like whole shipload 0S four-cycle engines affair Half given prizes competitive events other half awarded door prizes drawing list participants big prize Best Show jewel-like Kavan Twins second being raffled off underwrite Hawks expenses Rolls Royce four-cycle engines right now seems Kavan Twin least three planes powered twa 500 08W TO USE OEfltOfl 00 00 0000 ccci ,c 0P000 0005 0/C Ta MAKE P00050 MOnt Eid48008LE P00 Saga sew LOStnIMe Boo
Edition: Model Aviation - 1984/01
Page Numbers: 84, 85, 86, 87, 88, 89, 175, 176
HANNO PRETTNER Austria won 13th World Championships Radio Con trol aerobatic model aircraft Pensacola FL October 10-15 first place after four qualifying flights proceeded extend lead over other six fliers finals United States won team com petition Dave Brown finishing 3rd Steve Helms 7th Tony Frackowiak C I / part huge group specta tors came see superb RC Aerobatics flying resulted selection 1983 Individual Team FAI World Champions barely missed finals 8th pre event favorite Japan led during competition fade under late rush US team H Flying members managers top three teams pose portrait Left right Federal Republic Germany 3rd USA 1st Japan 2nd US zoomed end 84 Model Aviation Prettner along six others qual ified finals after four rounds com petition fliers other finalists order qualifying Bertram Lossen Germany Ivan Kristensen Canada Dave Brown USA Steve Helms USA Wolfgang Matt Liechtenstein Yoi chiro Akiba Japan After two rounds finals order changed somewhat Prettner Lossen Brown Kristensen Matt Akiba Helms top five teams USA Japan Germany Canada Austria Hanno Prettners impressive scores could pull team way top since teammates finished 23rd Adolf Panz 35th Hermann Kowarz J Seventy fliers represented 28 countries around world country entitled enter three fliers several teams two Tiny Liech tenstein represented two-time World Champion Wolfgang Matt brother Norbert high-quality flier would have made Liechtenstein real threat high place team championships Prettner took lead first round never looked back fliers expected give Hanno toughest battle Kristensen Canada Lossen Germany either couldnt earn high scores what appeared unofficial observers superior flights relatively poor flights counted Dave Brown stayed close never threat until posted score 1442 third round Prettner tied fourth round high flight score moved him second place within two points Prettner However Brown yielded Lossen Kristensen fourth round move back fourth place qualifying scoring complicated did manage confuse people Sim ply fliers faced two sets four judges twice during four qualifying rounds total score sum best flight scores front set judges way set judges scored higher other set could dominate selection champion made some interesting situations During Round 1 Steve Helms YS engine failed due faulty check valve high pump pres sure Suddenly 68th place Similarly Tony Frackowiak did another cardiac kid routine 19th place after first round During second round fuel nipple Webra spraybar popped off slid way back 62nd place 64th place after third round because use bad second-round score pressure him during fourth round re sponded fine score thought should have rewarded points moved him 8th place Meanwhile Helms improved own second-round score move 5th place qualifying scores Tony Frackowiak missed qualifying finals five points 2600 barely edged out Yoichiro Akiba Japan appeared Wolf gang Matt danger missing out finals first time seven World Championships qualified finish ing 42 points ahead Akiba Helms Frackowiak mov ing down finally back up placings US team total doing same dance After first round US team 14th place Following second round still 14th team moved up 9th place after third round led everyone end fourth round qualifying Japan led team standings through first three rounds basis strong consistent individual performances Akiba Yoshioka Naruke top 10 individual fliers four rounds Hanno Prettner flying new airplane calls Calypso did resemble other competition aircraft because anything looked like low-wing trainer conventional gear did have retractable gear Supertigre S61 muffled pipe just didnt look like airplane capable competing against other high-performance air planes However compete did verti cal performance outstanding dive speed controlled Kato ad justable-pitch propeller During discussion practice day said Calypso January 1984 85 Individual winners L-R Dave Brown 3rd Hanno Prettner 1st Bertram Lossen 2ndl share spotlight workers northwest Florida RC clubs helped run event Hans Prettner checks out wind for-son Hanno won third World Championship unlikely-looking model named Calypso Plain made fly lust beautifully Calypso Hannos turnaround-pattern prototype Full results Competition Newsletter section Bertram Lossen FR Germany placed second has noise level checked Red Palmer model US Master-class flier Ed Keck entrants passed noise checks Left Many sidelines thought Canadas Ivan Kristensen deserved better fourth-place finish judges didnt agree Ivan flew Citation Yoshiokas design magnificently Right Dave Browns Illusion took him third place wife Sally responded Now ye got go through another two years thisl Dave has US RC Aerobatics team times always places high Left When Steve Helms engine died early Round 1 flight prompted immediate transplant details text Right Gale Helms hustles son Steves plane runway during finals competition Steve flying Cosomos design Japans Giichi Naruke Left Two-time World Champs winner Wolfgang Matt Liechtenstein showed still has touch qualifying finals seventh straight time Plane Arrow Webra Racing LS engine turning Kato variable-pitch prop Right airplane three Japanese fliers absolutely beautiful Voichiro Akibas entry named Rocky Akiba Japanese finals prototype what will fly new FAT turnaround pattern turnaround-pattern airplane will larger Calypso will look very much same other top fliers new air planes too Second-place finisher Bertram Lossen flying new design calls Red Palmer generously contoured didnt appear flat place anywhere airplane Dave Brown flew Illusion modified Tiporare less anhedral horizontal tail appears have thinner wing pipe molded bottom fuselage Ivan Kristensen flying Citation de signed Tsugutaka Yoshioka 1973 World Champion us accus tomed seeing him fly versions popular Saturn design big surprise Ivan flies Citation well beaten Dave Brown 1983 Nats airplane way wife concerned might damage Cita 86 Model Aviation Left Cardiac Kid Tony Frackowiak gave everyone fits moving near end pack after second round eighth place end qualifying Tony cool under pressure Right Tsugutaka Voshioka 1973 World Champion readies Citation finished tenth cap splendid display competence consistency Japanese team three members placed within top 10 Left Frances Pascal Ardonceau split rudder Olympus cable-operated act unique speed brake Right Ruggero Pas qualini Italy flew beautifully-detailed model own design calls Galaxi Has three-blade 1 1-6% prop GT Models Left Hugo Peyer Switzerland flew model called Marvin designed Arnold Peyer used three-blade 10-7% Landert prop Right immaculately-finished airplane entered Andre Lafite France 31st French team 7th tion Canadian Nats convinced him fly Saturn finished second event Steve Helms competed newlycompleted Cosmos designed Giichi Nar uke finish absolutely flawless Steve could find flaws hed tell asked rest us couldnt see finish clear Im ron over K&B Superpoxy Wolfgang Matt flew popular Arrow Pattern fliers US dis covering formidable Pattern machine said flew getting old worn didnt look because well over 2000 flights Yoichiro Akiba flew new design called Rocky two airplanes finals YS 60 engine Steve Helms other big topics before World Championships noise requirement contestants engine propeller noise less 105db point January 1984 87 meter airplane airplane sitting ground sound meter height engine announced banquet 70 air planes passed noise tests have enormous effort part contestants achieve success noticeable difference thre air planes use special propellers propellers three blades higher pitches typically used Most fiberglass although few hand-crafted wooden propellers Several fli ers also increased propeller diameter order take advantage braking effect during dives provided increased disk area Hanno Prettner fliers take advantage beneficial effects larger-diameter propeller number human-interest stories could written about World Championships think best involved Jim Clarke Ireland Jim young man describes age Left Ivan Oliver South Africa flew Super Curare has competed last six World Champs Right Emil Giezendanner flew Scorpion III designed brother Bruno former World Champ Afterwards gave backup plane US Team Manager Dick Penrod Left Paul Behm Luxemburgl looks cold starts planes engine 500 early morning temperature Right ship fourcycle engine World Championships Jan Van Beeks Akro Saito 120 Jan Netherlandsplaced 44th team 14th Left Lucien Gerard readies own design called Barracuda Only age 23 has Luxemburgs national champion four times has participated two World Champs Right Whats Q-Rare Mario Quintanilla Mexico flew modified Curare conventional gear 88 Model Aviation full overslept first day qualifying combined bad transmission rented station wagon caused him arrive flight line five minutes before fly dis covered haste get field left wing bolts pipe bracket propeller motel dresser scramble among other entrants produced wing bolts Wolfgang Matt propeller tie wraps anonymous source large rubberband Dave Brown contingent proceeeded assemble Clarkes airplane starting box got airplane started time everyone de lighted until aileron servo connector failed just after takeoff resulting crash spoiled otherwise heartwarming story scariest thing happened dur ing Ivan Kristensens fourth-round flight large flock perhaps 200 birds appeared over horizon moved random manner toward flight line Ivan un aware presence until di rectly front judges about 600 feet away about 200 feet up middle eight-point roll time spotted can imagine ragged rest maneuver looked Jan Van Beek Netherlands probably unusual airplane because used Saito 120 four-cycle large 71in-wingspan Akro four-cycle the competition spectators liked different sound engine site World Championships more-or-less abandoned Navy airfield called Bronson Field located west Pensacola near beautiful Perdito Bay use field Navy heli copter training runways have Continued page 175 Left A beautiful Phoenix 8 TiOwn oy Alberto 1-lores sole entrant Peru Right Lots people gave Jim Clarke Ireland some quick help overslept arrived flight line five minutes before turn fly details text Left Note aileron linkage used Moon Ho Chol Korea Cosmos used two aileron servos drive surface directly Right Rae Fritz 1 Contest Director World Championships Bill Johnston monitoring frequency spectrum possible interference Left Team Australias manager Ron Tayles checks out Cohn Taylors maneuvers directly behind judges Burly caller Tom Prosser dwarfs teammate Right Early morning scene demonstrates Florida iSnt sunshine blue sky Perfect weather ended event January 1984 89 riodel per match lieu hange would encourage pilots take asy primary model maybe build little stronger Charlie Johnson 3716 graham Sr San iego CA 92109 Dver-EZ/Johnson continued paae 78 aper onto edge sheet top Lie other wide sections opposite nds Enough scrap also left fabricate wing tips Two Lite Ply sides glued vith 5-mm epoxy clamped onto oined top bottom engine bearer unit also traced ac ording plans except engine slot vidth will need vary power plant ust draw mid-line measure en ines width onto pattern used bin cryard clear pine stock T/0-in rather han -in Midwest basswood avail ible means use thicker pine sdds bit excess weight holes should drilled bearer before epoxying sides Locate goes drawing straight line fuselage sides exactly 900 front C-clamps used hold together epoxy sets landing gear mount epoxied bearer fuselage front -in tn angular stock added reinforcement model uses pre-bent wire unit Sig Banshee unit can bent shape very easily nylon clips have worked very well substitute original plysandwich mount Wing Cut master pattern two types wing ribs metal ply cut balsa ribs stacks trailing edge stock must trued straightedge make TE pinned flat building surface bottom spar shimmed up ribs added CyA glue used entire wing frame can dry assembled glued Wing center-section sheeting used origianl design obviously highly desirable added after panel removed building board Add -in tips scraps Carve sand leading edge tips center section shape fact wings identical have no joints center makes very rapid simple construc tion covered MonoKote have proven durable good twist resistance Final assembly Obviously tail feathers wing struts fabricated before step pre-finished wood covered portions model before assembly matter simplicity Masking tape used keep finish off areas epoxy joints would Place lower wing absolutely flat surface block position Epoxy fuselage onto area MonoKote has removed Use large 900 triangle position fuselage sides exactly right angles wing make sure fuselage 900 span wing Block securely epoxy cures Cut slots struts twin-rib areas bottom top wing trial-fit Epoxy top wing unto stillblocked-up fuselage bottom wing unit Use epoxy wing strut slots well Recheck unit squareness both planes pin weight wing tight joint against fuselage top Once epoxy cured add stabilizer fin Remove unit board finish adding landing gear wheels engine tank etc Control hookup pretty well self-explanatory used 3A2-in wire Z-bend crank end 4-40 links rod elevator horn Lead-outs come through reinfored section inboard strut Flying Presuming balance point CO adjusted moving engine back forth pre-assembly step / oz lead outboard wing tip engine will run thing pussycat fly Line tension remarkable such ancient design found con trol segments positioned outside holes specified hardware OverEZ docile enough beginner 25yet aerobatic advanced flier 35 Loops arent tight weve become accustomed flapped lightly-loaded contemporary Stunters yet has certain open gracefulness Whatever prospective builders age flying level OverEZ OldTimer Stunt models truly enjoyable RC Simulator/Levy Continued page 94 move plane different positions watch resulting profiles screen profiles have helped learn rec ognize whether plane flying toward going away gets out Its good training device rainy day build take flying field sure show colors get frequency pin off board transmitter really though trainer isnt air RC Aerobatics WC/Van Putte Continued page 89 unattended years As conse quence runways cracked grass has sprouted cracks contest organizers work weeks cut down remove tall grass left hundreds acres runway looking like grassy field Everyone looked forward beau tiful fall Florida weather because October known prettiest time year Florida panhandle can imagine THIS FUEL FEATURES ORUST PREVENTION AGENTS SDETERGENTS OLUBRICATION WITH HIGH FLASH POINTS eWEFlING AGENTS FOR MORE EFFICIENT AND DEPENDABLE FUEL FLOW OANTI-FOAMING AGENTS TO PREVENT LEAN RUNS KEEPS YOUR ENGINE RUNNING COOL OAN ODORLESS HIGHLY REFINED FUEL CHILDPROOF LIDS Available hAl 5 10 15 25 & 40% Nitro-Methane Contents Formulated synthetic lubricants Also aaiIabIe castor DEALERS WAN1ED DOMESTIC & OVERSEAS WE EXPORT competition fuel fast becoming THE CHOICE top profesionals first cash product Contact us price structures ordering information ManufacturerS Major Brand Distributors Model Engines Kits Rados Accessories SUPER K Fuels ore brand KINGS RADIO CONTROL HOBBIES INTERNATIONAL 3960 West 46 Ave Hialeah Florida 33042 305 557-2024 January 1984 175 specially formulated chemically balanced fuel top peutormance minimum engine wear weather condition beginner p. written illus trated RiCer over 50 years model air plane experience Teaches basic model aerodynam ics commonsense manner. covers radio equipment learning fly much Easy understand must RiC modelers library $1195 Please add $100 ordered direct Available hobby shops order direct ACE R/C BOX 511 HIGGINSVILLE MO 64037 GREAT PLANES MODEL DISTRIBUTOR BOX 725 URBANA ILLINOIS 61801 ZENITH AVIATION BOOKS BOX 1 OSCEOLA WISCONSIN 54020 CLELAND GIANTS GIANT SCALE BUFFS Worlds Largest Gas Plans Assortment INTERNATIONALLY FAMOUS C-D QUALITY MODELS PLANS 77 Locoobe Sedon $25 D7Fir$3973NAMiokBo,b $4 6 Pole Race $32 65 TMMoroode 8-26 $42 & So Gee-Bee $32 78 Sopoolh Pop $24 .oine 568 $34 81 DO 88oqolo tb $38 t9Soperoorioe S6t $32 108 DO Moeqo8oob S4t 62 Co- Hocok P-6E $36 61 Corli, tobjo 005 $16 94 Co9ck P-6E F, $54 98 Sico PTi7Koyde SAt 62 Lockheed Vgo $24 99 Ntik Wdooc P61 $65 Posl LNt-4 $28 71 DoogDC-3 Iron $29 le GB 11 $39 95 DoogDC-3 Tron $45 oope Spori $36 86 Hocok Teooco 13 $32 9 Bolldog $39 108 Co8201/4 L&S $56 61 non C-s Spi $35 78 Aroc SpiPcr A2 $3o glo 8-38 Ob $24 60 Dooglo 143 Moil $24 122 Dooglo 038 Oh $49 6$ 8iiol tolidog Fir $30 v ~094 Poge cr1 tocer $45 39 trocontoceMLA $54 Moln 810 took $29 107 Gro, teorci P87 $24 7tTo,ey WW Roc 835 73 Tocoel Aj 6800 $24 64 Ccr Gokk P112 $38 1071401 Mt-i $oc $46 okk P112 $54 91 Locdke0g NX2i 1 $39 Coc,el R0 824 61 AEG GIV Li 80, $24 MolIlgoc 935 108 PoichPTi9 7$59 94 too Mc Molligon $45 90 Woco TopeWj,g $39 63 Boeng P26A Pr $36 75 WHoIid Lyo,6e $33 84 toeng P-26A Fl $48 100 WeolId Lyonde $69 69 Woco 6 Cobi, $36 57Ford T,oci 4-AT $38 64 Beech 178 Slog 939 76 Food Tjcc0 4AT $45 68eenh 179 Slog$49114 Ford Ti,i 4AT$59 55 Lock ii Eleolco$2484 BerlJoce 9FJ3$56 ,..83 Lock 1 Eleocco$3393 Loenirog C2A,pk$99 o, T/W 087$1658 GoccJ3-P Dock$39 tlSlooo, TW 587$2478 Go,J2-F Dccl$56 122 Sl,,o, TW 087$32SOGoIho GiV to,$22 598 P2-B$20117 Golho G1V to,$39 788 o F, P2893268 Doog 0-46A Oh$32 WO 188 l P28545108 Sikor S38 Aopk$49 747 L Pesco Spec9456OBoe 100 SpocI$36 63 Sky ockel 07571$2090 Boe 100 Spool$49 560 Wookk P40$2490 Sli,Alooo Wi,0$56 - -78 Lock Ligkl,g P38$3880 Moli 7474141839 56 Rep SeoBee A,82475 H-Pg 0400 9o,b$25 j74 Rp Scot Acoplo$39100 HP9 0400 to,$49 Pp J3 ok 939 65 Mkioo lippe $50 99 Lo k Hodoo 8,k$3897 Mhio Ippe$69 63 G o, FOP Heilcol$2871 Loooo 2 Ajl,$24 *77 toe og8-l7OFol$2966 B0133 BO Jog,829 S4ool Socill XP934828 03900 8I7GFo,96968 tooW,kle 8,d845 08 RyoT Nooo$3963 L,dbeg ISicios824 68 BBocooo V Toil83955 ecolocHiod Fl8c,$32 NO KITSAVAILABLEIPicesokjeclochoge Cihe Scoles o,d Sizes frono 6 Spoo ooplele Wilk PoOe,, Fo, 25c ~--- Add 10 ioolloodeosfoo okippog Si,. coo. _____ USA Coo & Meo Elicookere odd 15% 120 ojl Pclooool cololog $150 Pice IjOl ocollo oboe 55c *byoi,Roeigeodd$1801* .rCLEVELAND MODEL&SUPPLY Co 103073 Daira6 A,Clenelond Ohio 44182 176Model Aviation everyones surprise Monday check-in day greeted misty rain Tuesday official practice day began heavy rain wind gradually eased off ended sunshine pleasant temperatures However evening early Wednesday morning first day com petition Pensacola struck thun derstorms rain ended soon after scheduled 700 am start competition began 15 minutes late skies grad ually cleared days schedule completed However Thursday morning started nasty cold wind 500 low overcast skieswhich delayed start two hours Moon Ho Choi Korea taken off official flight 700 am have airplane disappear overcast five seconds eternity got safely back ground flying extended hour past scheduled 200 pm stopping time permit partial catch up Friday morning again cold cloudy windy flights got off schedule An additional hour catch-up flying re sulted completion scheduled flights Friday Saturday morning devoted finish ing last round qualifying flights weather cooperated gradually clearing until fourth round ended bright sun shine balmy temperatures beautiful weather continued through final flights started 1230 pm lasted until approximately 315 pm scoring finals done eight judges line total score sum qualifying scores best score two final flights Consequently finals accounted half total score scores posted very soon after flight both qualifying finals thanks dedicated crew Score sheets handcarried flight line tabulating center processing scores radioed center area posting computer program World Championships written pro fessional programmer David H Dirty Dave Knowles non-modeler con tributed services After round individual scores team scores computer-ordered copies dis tributed contest officials team man agers eliminated numerous hand calcula tions everyone much faster could have possible otherwise Following finals everyone took four-hour break convened Pen sacola Country Club excellent buffetstyle meal formal awards ceremony Since able arrange 24-hour film processing 35mm Ektachrome slides over 200 slides already pro cessed wife Faith put together slide show carousel projector showed 160 best slides wall banquet room prior start banquet gave contestants sup porters chance see themselves action everyone seemed enjoy competition magnitude 1983 World Championships has group LPLANE** launching equipment hi-starts/winches/accessories complete line/best prices/top quality send self-addressed stamped envelope catalog/information RLF PRODUCTS R3 Box 178-V Paoli IN 47454181217234310 SILICONE gaoolin 10 foot coilsTUBING lD 062092 125u S POST $Icoil 235265 325 54r/COIL LARRY DODGE AERO INC 10210 MANNINGSTILLWATER MN 550B2 COMPLETELY FINISHED R/C AIRCRAFT Completely Finished RIC AircraftAll Sizes & Types Radio Engine Only CG Sky Teger.63 trainer $22500 Sig alp Wing J3 Cub--S4 Span $25000 SEND FOR COMPLETE LIST HOBBY CAPITOL R/C 46 N Oak St. VentUra California 93001 RADIO EQUIPMENT EXCHANGE Box 561 Park Forest Illinois 60466 List used radio equip ment sale No fee listing Escrow available Send SASE details hard-working individuals make come together Rather try name couldnt miss some think its fitting two individuals really made happen should named Ron Chid gey asked Rae Fritz Contest Director Ron Rae proceeded collect group experts handle vari ous specialties core experts would probably first agree Rae Fritz Ron Chidgey individuals deserve credit making World Championships world-class event Four-Cycle/Nutting Continued page 97 Tacie hand colorful Sig Clipped-Wing Cub Gemini Twin perfectly scaleilke aerobatics won award Most Realistic Flight Hawks Club planned few lowpressure events rally compe tition unnecessary participate like Tacie Karlsson elected just enjoy flying John Maloney World Engines donated what seemed like whole shipload 0S four-cycle engines affair Half given prizes competitive events other half awarded door prizes drawing list participants big prize Best Show jewel-like Kavan Twins second being raffled off underwrite Hawks expenses Rolls Royce four-cycle engines right now seems Kavan Twin least three planes powered twa 500 08W TO USE OEfltOfl 00 00 0000 ccci ,c 0P000 0005 0/C Ta MAKE P00050 MOnt Eid48008LE P00 Saga sew LOStnIMe Boo
Edition: Model Aviation - 1984/01
Page Numbers: 84, 85, 86, 87, 88, 89, 175, 176
HANNO PRETTNER Austria won 13th World Championships Radio Con trol aerobatic model aircraft Pensacola FL October 10-15 first place after four qualifying flights proceeded extend lead over other six fliers finals United States won team com petition Dave Brown finishing 3rd Steve Helms 7th Tony Frackowiak C I / part huge group specta tors came see superb RC Aerobatics flying resulted selection 1983 Individual Team FAI World Champions barely missed finals 8th pre event favorite Japan led during competition fade under late rush US team H Flying members managers top three teams pose portrait Left right Federal Republic Germany 3rd USA 1st Japan 2nd US zoomed end 84 Model Aviation Prettner along six others qual ified finals after four rounds com petition fliers other finalists order qualifying Bertram Lossen Germany Ivan Kristensen Canada Dave Brown USA Steve Helms USA Wolfgang Matt Liechtenstein Yoi chiro Akiba Japan After two rounds finals order changed somewhat Prettner Lossen Brown Kristensen Matt Akiba Helms top five teams USA Japan Germany Canada Austria Hanno Prettners impressive scores could pull team way top since teammates finished 23rd Adolf Panz 35th Hermann Kowarz J Seventy fliers represented 28 countries around world country entitled enter three fliers several teams two Tiny Liech tenstein represented two-time World Champion Wolfgang Matt brother Norbert high-quality flier would have made Liechtenstein real threat high place team championships Prettner took lead first round never looked back fliers expected give Hanno toughest battle Kristensen Canada Lossen Germany either couldnt earn high scores what appeared unofficial observers superior flights relatively poor flights counted Dave Brown stayed close never threat until posted score 1442 third round Prettner tied fourth round high flight score moved him second place within two points Prettner However Brown yielded Lossen Kristensen fourth round move back fourth place qualifying scoring complicated did manage confuse people Sim ply fliers faced two sets four judges twice during four qualifying rounds total score sum best flight scores front set judges way set judges scored higher other set could dominate selection champion made some interesting situations During Round 1 Steve Helms YS engine failed due faulty check valve high pump pres sure Suddenly 68th place Similarly Tony Frackowiak did another cardiac kid routine 19th place after first round During second round fuel nipple Webra spraybar popped off slid way back 62nd place 64th place after third round because use bad second-round score pressure him during fourth round re sponded fine score thought should have rewarded points moved him 8th place Meanwhile Helms improved own second-round score move 5th place qualifying scores Tony Frackowiak missed qualifying finals five points 2600 barely edged out Yoichiro Akiba Japan appeared Wolf gang Matt danger missing out finals first time seven World Championships qualified finish ing 42 points ahead Akiba Helms Frackowiak mov ing down finally back up placings US team total doing same dance After first round US team 14th place Following second round still 14th team moved up 9th place after third round led everyone end fourth round qualifying Japan led team standings through first three rounds basis strong consistent individual performances Akiba Yoshioka Naruke top 10 individual fliers four rounds Hanno Prettner flying new airplane calls Calypso did resemble other competition aircraft because anything looked like low-wing trainer conventional gear did have retractable gear Supertigre S61 muffled pipe just didnt look like airplane capable competing against other high-performance air planes However compete did verti cal performance outstanding dive speed controlled Kato ad justable-pitch propeller During discussion practice day said Calypso January 1984 85 Individual winners L-R Dave Brown 3rd Hanno Prettner 1st Bertram Lossen 2ndl share spotlight workers northwest Florida RC clubs helped run event Hans Prettner checks out wind for-son Hanno won third World Championship unlikely-looking model named Calypso Plain made fly lust beautifully Calypso Hannos turnaround-pattern prototype Full results Competition Newsletter section Bertram Lossen FR Germany placed second has noise level checked Red Palmer model US Master-class flier Ed Keck entrants passed noise checks Left Many sidelines thought Canadas Ivan Kristensen deserved better fourth-place finish judges didnt agree Ivan flew Citation Yoshiokas design magnificently Right Dave Browns Illusion took him third place wife Sally responded Now ye got go through another two years thisl Dave has US RC Aerobatics team times always places high Left When Steve Helms engine died early Round 1 flight prompted immediate transplant details text Right Gale Helms hustles son Steves plane runway during finals competition Steve flying Cosomos design Japans Giichi Naruke Left Two-time World Champs winner Wolfgang Matt Liechtenstein showed still has touch qualifying finals seventh straight time Plane Arrow Webra Racing LS engine turning Kato variable-pitch prop Right airplane three Japanese fliers absolutely beautiful Voichiro Akibas entry named Rocky Akiba Japanese finals prototype what will fly new FAT turnaround pattern turnaround-pattern airplane will larger Calypso will look very much same other top fliers new air planes too Second-place finisher Bertram Lossen flying new design calls Red Palmer generously contoured didnt appear flat place anywhere airplane Dave Brown flew Illusion modified Tiporare less anhedral horizontal tail appears have thinner wing pipe molded bottom fuselage Ivan Kristensen flying Citation de signed Tsugutaka Yoshioka 1973 World Champion us accus tomed seeing him fly versions popular Saturn design big surprise Ivan flies Citation well beaten Dave Brown 1983 Nats airplane way wife concerned might damage Cita 86 Model Aviation Left Cardiac Kid Tony Frackowiak gave everyone fits moving near end pack after second round eighth place end qualifying Tony cool under pressure Right Tsugutaka Voshioka 1973 World Champion readies Citation finished tenth cap splendid display competence consistency Japanese team three members placed within top 10 Left Frances Pascal Ardonceau split rudder Olympus cable-operated act unique speed brake Right Ruggero Pas qualini Italy flew beautifully-detailed model own design calls Galaxi Has three-blade 1 1-6% prop GT Models Left Hugo Peyer Switzerland flew model called Marvin designed Arnold Peyer used three-blade 10-7% Landert prop Right immaculately-finished airplane entered Andre Lafite France 31st French team 7th tion Canadian Nats convinced him fly Saturn finished second event Steve Helms competed newlycompleted Cosmos designed Giichi Nar uke finish absolutely flawless Steve could find flaws hed tell asked rest us couldnt see finish clear Im ron over K&B Superpoxy Wolfgang Matt flew popular Arrow Pattern fliers US dis covering formidable Pattern machine said flew getting old worn didnt look because well over 2000 flights Yoichiro Akiba flew new design called Rocky two airplanes finals YS 60 engine Steve Helms other big topics before World Championships noise requirement contestants engine propeller noise less 105db point January 1984 87 meter airplane airplane sitting ground sound meter height engine announced banquet 70 air planes passed noise tests have enormous effort part contestants achieve success noticeable difference thre air planes use special propellers propellers three blades higher pitches typically used Most fiberglass although few hand-crafted wooden propellers Several fli ers also increased propeller diameter order take advantage braking effect during dives provided increased disk area Hanno Prettner fliers take advantage beneficial effects larger-diameter propeller number human-interest stories could written about World Championships think best involved Jim Clarke Ireland Jim young man describes age Left Ivan Oliver South Africa flew Super Curare has competed last six World Champs Right Emil Giezendanner flew Scorpion III designed brother Bruno former World Champ Afterwards gave backup plane US Team Manager Dick Penrod Left Paul Behm Luxemburgl looks cold starts planes engine 500 early morning temperature Right ship fourcycle engine World Championships Jan Van Beeks Akro Saito 120 Jan Netherlandsplaced 44th team 14th Left Lucien Gerard readies own design called Barracuda Only age 23 has Luxemburgs national champion four times has participated two World Champs Right Whats Q-Rare Mario Quintanilla Mexico flew modified Curare conventional gear 88 Model Aviation full overslept first day qualifying combined bad transmission rented station wagon caused him arrive flight line five minutes before fly dis covered haste get field left wing bolts pipe bracket propeller motel dresser scramble among other entrants produced wing bolts Wolfgang Matt propeller tie wraps anonymous source large rubberband Dave Brown contingent proceeeded assemble Clarkes airplane starting box got airplane started time everyone de lighted until aileron servo connector failed just after takeoff resulting crash spoiled otherwise heartwarming story scariest thing happened dur ing Ivan Kristensens fourth-round flight large flock perhaps 200 birds appeared over horizon moved random manner toward flight line Ivan un aware presence until di rectly front judges about 600 feet away about 200 feet up middle eight-point roll time spotted can imagine ragged rest maneuver looked Jan Van Beek Netherlands probably unusual airplane because used Saito 120 four-cycle large 71in-wingspan Akro four-cycle the competition spectators liked different sound engine site World Championships more-or-less abandoned Navy airfield called Bronson Field located west Pensacola near beautiful Perdito Bay use field Navy heli copter training runways have Continued page 175 Left A beautiful Phoenix 8 TiOwn oy Alberto 1-lores sole entrant Peru Right Lots people gave Jim Clarke Ireland some quick help overslept arrived flight line five minutes before turn fly details text Left Note aileron linkage used Moon Ho Chol Korea Cosmos used two aileron servos drive surface directly Right Rae Fritz 1 Contest Director World Championships Bill Johnston monitoring frequency spectrum possible interference Left Team Australias manager Ron Tayles checks out Cohn Taylors maneuvers directly behind judges Burly caller Tom Prosser dwarfs teammate Right Early morning scene demonstrates Florida iSnt sunshine blue sky Perfect weather ended event January 1984 89 riodel per match lieu hange would encourage pilots take asy primary model maybe build little stronger Charlie Johnson 3716 graham Sr San iego CA 92109 Dver-EZ/Johnson continued paae 78 aper onto edge sheet top Lie other wide sections opposite nds Enough scrap also left fabricate wing tips Two Lite Ply sides glued vith 5-mm epoxy clamped onto oined top bottom engine bearer unit also traced ac ording plans except engine slot vidth will need vary power plant ust draw mid-line measure en ines width onto pattern used bin cryard clear pine stock T/0-in rather han -in Midwest basswood avail ible means use thicker pine sdds bit excess weight holes should drilled bearer before epoxying sides Locate goes drawing straight line fuselage sides exactly 900 front C-clamps used hold together epoxy sets landing gear mount epoxied bearer fuselage front -in tn angular stock added reinforcement model uses pre-bent wire unit Sig Banshee unit can bent shape very easily nylon clips have worked very well substitute original plysandwich mount Wing Cut master pattern two types wing ribs metal ply cut balsa ribs stacks trailing edge stock must trued straightedge make TE pinned flat building surface bottom spar shimmed up ribs added CyA glue used entire wing frame can dry assembled glued Wing center-section sheeting used origianl design obviously highly desirable added after panel removed building board Add -in tips scraps Carve sand leading edge tips center section shape fact wings identical have no joints center makes very rapid simple construc tion covered MonoKote have proven durable good twist resistance Final assembly Obviously tail feathers wing struts fabricated before step pre-finished wood covered portions model before assembly matter simplicity Masking tape used keep finish off areas epoxy joints would Place lower wing absolutely flat surface block position Epoxy fuselage onto area MonoKote has removed Use large 900 triangle position fuselage sides exactly right angles wing make sure fuselage 900 span wing Block securely epoxy cures Cut slots struts twin-rib areas bottom top wing trial-fit Epoxy top wing unto stillblocked-up fuselage bottom wing unit Use epoxy wing strut slots well Recheck unit squareness both planes pin weight wing tight joint against fuselage top Once epoxy cured add stabilizer fin Remove unit board finish adding landing gear wheels engine tank etc Control hookup pretty well self-explanatory used 3A2-in wire Z-bend crank end 4-40 links rod elevator horn Lead-outs come through reinfored section inboard strut Flying Presuming balance point CO adjusted moving engine back forth pre-assembly step / oz lead outboard wing tip engine will run thing pussycat fly Line tension remarkable such ancient design found con trol segments positioned outside holes specified hardware OverEZ docile enough beginner 25yet aerobatic advanced flier 35 Loops arent tight weve become accustomed flapped lightly-loaded contemporary Stunters yet has certain open gracefulness Whatever prospective builders age flying level OverEZ OldTimer Stunt models truly enjoyable RC Simulator/Levy Continued page 94 move plane different positions watch resulting profiles screen profiles have helped learn rec ognize whether plane flying toward going away gets out Its good training device rainy day build take flying field sure show colors get frequency pin off board transmitter really though trainer isnt air RC Aerobatics WC/Van Putte Continued page 89 unattended years As conse quence runways cracked grass has sprouted cracks contest organizers work weeks cut down remove tall grass left hundreds acres runway looking like grassy field Everyone looked forward beau tiful fall Florida weather because October known prettiest time year Florida panhandle can imagine THIS FUEL FEATURES ORUST PREVENTION AGENTS SDETERGENTS OLUBRICATION WITH HIGH FLASH POINTS eWEFlING AGENTS FOR MORE EFFICIENT AND DEPENDABLE FUEL FLOW OANTI-FOAMING AGENTS TO PREVENT LEAN RUNS KEEPS YOUR ENGINE RUNNING COOL OAN ODORLESS HIGHLY REFINED FUEL CHILDPROOF LIDS Available hAl 5 10 15 25 & 40% Nitro-Methane Contents Formulated synthetic lubricants Also aaiIabIe castor DEALERS WAN1ED DOMESTIC & OVERSEAS WE EXPORT competition fuel fast becoming THE CHOICE top profesionals first cash product Contact us price structures ordering information ManufacturerS Major Brand Distributors Model Engines Kits Rados Accessories SUPER K Fuels ore brand KINGS RADIO CONTROL HOBBIES INTERNATIONAL 3960 West 46 Ave Hialeah Florida 33042 305 557-2024 January 1984 175 specially formulated chemically balanced fuel top peutormance minimum engine wear weather condition beginner p. written illus trated RiCer over 50 years model air plane experience Teaches basic model aerodynam ics commonsense manner. covers radio equipment learning fly much Easy understand must RiC modelers library $1195 Please add $100 ordered direct Available hobby shops order direct ACE R/C BOX 511 HIGGINSVILLE MO 64037 GREAT PLANES MODEL DISTRIBUTOR BOX 725 URBANA ILLINOIS 61801 ZENITH AVIATION BOOKS BOX 1 OSCEOLA WISCONSIN 54020 CLELAND GIANTS GIANT SCALE BUFFS Worlds Largest Gas Plans Assortment INTERNATIONALLY FAMOUS C-D QUALITY MODELS PLANS 77 Locoobe Sedon $25 D7Fir$3973NAMiokBo,b $4 6 Pole Race $32 65 TMMoroode 8-26 $42 & So Gee-Bee $32 78 Sopoolh Pop $24 .oine 568 $34 81 DO 88oqolo tb $38 t9Soperoorioe S6t $32 108 DO Moeqo8oob S4t 62 Co- Hocok P-6E $36 61 Corli, tobjo 005 $16 94 Co9ck P-6E F, $54 98 Sico PTi7Koyde SAt 62 Lockheed Vgo $24 99 Ntik Wdooc P61 $65 Posl LNt-4 $28 71 DoogDC-3 Iron $29 le GB 11 $39 95 DoogDC-3 Tron $45 oope Spori $36 86 Hocok Teooco 13 $32 9 Bolldog $39 108 Co8201/4 L&S $56 61 non C-s Spi $35 78 Aroc SpiPcr A2 $3o glo 8-38 Ob $24 60 Dooglo 143 Moil $24 122 Dooglo 038 Oh $49 6$ 8iiol tolidog Fir $30 v ~094 Poge cr1 tocer $45 39 trocontoceMLA $54 Moln 810 took $29 107 Gro, teorci P87 $24 7tTo,ey WW Roc 835 73 Tocoel Aj 6800 $24 64 Ccr Gokk P112 $38 1071401 Mt-i $oc $46 okk P112 $54 91 Locdke0g NX2i 1 $39 Coc,el R0 824 61 AEG GIV Li 80, $24 MolIlgoc 935 108 PoichPTi9 7$59 94 too Mc Molligon $45 90 Woco TopeWj,g $39 63 Boeng P26A Pr $36 75 WHoIid Lyo,6e $33 84 toeng P-26A Fl $48 100 WeolId Lyonde $69 69 Woco 6 Cobi, $36 57Ford T,oci 4-AT $38 64 Beech 178 Slog 939 76 Food Tjcc0 4AT $45 68eenh 179 Slog$49114 Ford Ti,i 4AT$59 55 Lock ii Eleolco$2484 BerlJoce 9FJ3$56 ,..83 Lock 1 Eleocco$3393 Loenirog C2A,pk$99 o, T/W 087$1658 GoccJ3-P Dock$39 tlSlooo, TW 587$2478 Go,J2-F Dccl$56 122 Sl,,o, TW 087$32SOGoIho GiV to,$22 598 P2-B$20117 Golho G1V to,$39 788 o F, P2893268 Doog 0-46A Oh$32 WO 188 l P28545108 Sikor S38 Aopk$49 747 L Pesco Spec9456OBoe 100 SpocI$36 63 Sky ockel 07571$2090 Boe 100 Spool$49 560 Wookk P40$2490 Sli,Alooo Wi,0$56 - -78 Lock Ligkl,g P38$3880 Moli 7474141839 56 Rep SeoBee A,82475 H-Pg 0400 9o,b$25 j74 Rp Scot Acoplo$39100 HP9 0400 to,$49 Pp J3 ok 939 65 Mkioo lippe $50 99 Lo k Hodoo 8,k$3897 Mhio Ippe$69 63 G o, FOP Heilcol$2871 Loooo 2 Ajl,$24 *77 toe og8-l7OFol$2966 B0133 BO Jog,829 S4ool Socill XP934828 03900 8I7GFo,96968 tooW,kle 8,d845 08 RyoT Nooo$3963 L,dbeg ISicios824 68 BBocooo V Toil83955 ecolocHiod Fl8c,$32 NO KITSAVAILABLEIPicesokjeclochoge Cihe Scoles o,d Sizes frono 6 Spoo ooplele Wilk PoOe,, Fo, 25c ~--- Add 10 ioolloodeosfoo okippog Si,. coo. _____ USA Coo & Meo Elicookere odd 15% 120 ojl Pclooool cololog $150 Pice IjOl ocollo oboe 55c *byoi,Roeigeodd$1801* .rCLEVELAND MODEL&SUPPLY Co 103073 Daira6 A,Clenelond Ohio 44182 176Model Aviation everyones surprise Monday check-in day greeted misty rain Tuesday official practice day began heavy rain wind gradually eased off ended sunshine pleasant temperatures However evening early Wednesday morning first day com petition Pensacola struck thun derstorms rain ended soon after scheduled 700 am start competition began 15 minutes late skies grad ually cleared days schedule completed However Thursday morning started nasty cold wind 500 low overcast skieswhich delayed start two hours Moon Ho Choi Korea taken off official flight 700 am have airplane disappear overcast five seconds eternity got safely back ground flying extended hour past scheduled 200 pm stopping time permit partial catch up Friday morning again cold cloudy windy flights got off schedule An additional hour catch-up flying re sulted completion scheduled flights Friday Saturday morning devoted finish ing last round qualifying flights weather cooperated gradually clearing until fourth round ended bright sun shine balmy temperatures beautiful weather continued through final flights started 1230 pm lasted until approximately 315 pm scoring finals done eight judges line total score sum qualifying scores best score two final flights Consequently finals accounted half total score scores posted very soon after flight both qualifying finals thanks dedicated crew Score sheets handcarried flight line tabulating center processing scores radioed center area posting computer program World Championships written pro fessional programmer David H Dirty Dave Knowles non-modeler con tributed services After round individual scores team scores computer-ordered copies dis tributed contest officials team man agers eliminated numerous hand calcula tions everyone much faster could have possible otherwise Following finals everyone took four-hour break convened Pen sacola Country Club excellent buffetstyle meal formal awards ceremony Since able arrange 24-hour film processing 35mm Ektachrome slides over 200 slides already pro cessed wife Faith put together slide show carousel projector showed 160 best slides wall banquet room prior start banquet gave contestants sup porters chance see themselves action everyone seemed enjoy competition magnitude 1983 World Championships has group LPLANE** launching equipment hi-starts/winches/accessories complete line/best prices/top quality send self-addressed stamped envelope catalog/information RLF PRODUCTS R3 Box 178-V Paoli IN 47454181217234310 SILICONE gaoolin 10 foot coilsTUBING lD 062092 125u S POST $Icoil 235265 325 54r/COIL LARRY DODGE AERO INC 10210 MANNINGSTILLWATER MN 550B2 COMPLETELY FINISHED R/C AIRCRAFT Completely Finished RIC AircraftAll Sizes & Types Radio Engine Only CG Sky Teger.63 trainer $22500 Sig alp Wing J3 Cub--S4 Span $25000 SEND FOR COMPLETE LIST HOBBY CAPITOL R/C 46 N Oak St. VentUra California 93001 RADIO EQUIPMENT EXCHANGE Box 561 Park Forest Illinois 60466 List used radio equip ment sale No fee listing Escrow available Send SASE details hard-working individuals make come together Rather try name couldnt miss some think its fitting two individuals really made happen should named Ron Chid gey asked Rae Fritz Contest Director Ron Rae proceeded collect group experts handle vari ous specialties core experts would probably first agree Rae Fritz Ron Chidgey individuals deserve credit making World Championships world-class event Four-Cycle/Nutting Continued page 97 Tacie hand colorful Sig Clipped-Wing Cub Gemini Twin perfectly scaleilke aerobatics won award Most Realistic Flight Hawks Club planned few lowpressure events rally compe tition unnecessary participate like Tacie Karlsson elected just enjoy flying John Maloney World Engines donated what seemed like whole shipload 0S four-cycle engines affair Half given prizes competitive events other half awarded door prizes drawing list participants big prize Best Show jewel-like Kavan Twins second being raffled off underwrite Hawks expenses Rolls Royce four-cycle engines right now seems Kavan Twin least three planes powered twa 500 08W TO USE OEfltOfl 00 00 0000 ccci ,c 0P000 0005 0/C Ta MAKE P00050 MOnt Eid48008LE P00 Saga sew LOStnIMe Boo
Edition: Model Aviation - 1984/01
Page Numbers: 84, 85, 86, 87, 88, 89, 175, 176
HANNO PRETTNER Austria won 13th World Championships Radio Con trol aerobatic model aircraft Pensacola FL October 10-15 first place after four qualifying flights proceeded extend lead over other six fliers finals United States won team com petition Dave Brown finishing 3rd Steve Helms 7th Tony Frackowiak C I / part huge group specta tors came see superb RC Aerobatics flying resulted selection 1983 Individual Team FAI World Champions barely missed finals 8th pre event favorite Japan led during competition fade under late rush US team H Flying members managers top three teams pose portrait Left right Federal Republic Germany 3rd USA 1st Japan 2nd US zoomed end 84 Model Aviation Prettner along six others qual ified finals after four rounds com petition fliers other finalists order qualifying Bertram Lossen Germany Ivan Kristensen Canada Dave Brown USA Steve Helms USA Wolfgang Matt Liechtenstein Yoi chiro Akiba Japan After two rounds finals order changed somewhat Prettner Lossen Brown Kristensen Matt Akiba Helms top five teams USA Japan Germany Canada Austria Hanno Prettners impressive scores could pull team way top since teammates finished 23rd Adolf Panz 35th Hermann Kowarz J Seventy fliers represented 28 countries around world country entitled enter three fliers several teams two Tiny Liech tenstein represented two-time World Champion Wolfgang Matt brother Norbert high-quality flier would have made Liechtenstein real threat high place team championships Prettner took lead first round never looked back fliers expected give Hanno toughest battle Kristensen Canada Lossen Germany either couldnt earn high scores what appeared unofficial observers superior flights relatively poor flights counted Dave Brown stayed close never threat until posted score 1442 third round Prettner tied fourth round high flight score moved him second place within two points Prettner However Brown yielded Lossen Kristensen fourth round move back fourth place qualifying scoring complicated did manage confuse people Sim ply fliers faced two sets four judges twice during four qualifying rounds total score sum best flight scores front set judges way set judges scored higher other set could dominate selection champion made some interesting situations During Round 1 Steve Helms YS engine failed due faulty check valve high pump pres sure Suddenly 68th place Similarly Tony Frackowiak did another cardiac kid routine 19th place after first round During second round fuel nipple Webra spraybar popped off slid way back 62nd place 64th place after third round because use bad second-round score pressure him during fourth round re sponded fine score thought should have rewarded points moved him 8th place Meanwhile Helms improved own second-round score move 5th place qualifying scores Tony Frackowiak missed qualifying finals five points 2600 barely edged out Yoichiro Akiba Japan appeared Wolf gang Matt danger missing out finals first time seven World Championships qualified finish ing 42 points ahead Akiba Helms Frackowiak mov ing down finally back up placings US team total doing same dance After first round US team 14th place Following second round still 14th team moved up 9th place after third round led everyone end fourth round qualifying Japan led team standings through first three rounds basis strong consistent individual performances Akiba Yoshioka Naruke top 10 individual fliers four rounds Hanno Prettner flying new airplane calls Calypso did resemble other competition aircraft because anything looked like low-wing trainer conventional gear did have retractable gear Supertigre S61 muffled pipe just didnt look like airplane capable competing against other high-performance air planes However compete did verti cal performance outstanding dive speed controlled Kato ad justable-pitch propeller During discussion practice day said Calypso January 1984 85 Individual winners L-R Dave Brown 3rd Hanno Prettner 1st Bertram Lossen 2ndl share spotlight workers northwest Florida RC clubs helped run event Hans Prettner checks out wind for-son Hanno won third World Championship unlikely-looking model named Calypso Plain made fly lust beautifully Calypso Hannos turnaround-pattern prototype Full results Competition Newsletter section Bertram Lossen FR Germany placed second has noise level checked Red Palmer model US Master-class flier Ed Keck entrants passed noise checks Left Many sidelines thought Canadas Ivan Kristensen deserved better fourth-place finish judges didnt agree Ivan flew Citation Yoshiokas design magnificently Right Dave Browns Illusion took him third place wife Sally responded Now ye got go through another two years thisl Dave has US RC Aerobatics team times always places high Left When Steve Helms engine died early Round 1 flight prompted immediate transplant details text Right Gale Helms hustles son Steves plane runway during finals competition Steve flying Cosomos design Japans Giichi Naruke Left Two-time World Champs winner Wolfgang Matt Liechtenstein showed still has touch qualifying finals seventh straight time Plane Arrow Webra Racing LS engine turning Kato variable-pitch prop Right airplane three Japanese fliers absolutely beautiful Voichiro Akibas entry named Rocky Akiba Japanese finals prototype what will fly new FAT turnaround pattern turnaround-pattern airplane will larger Calypso will look very much same other top fliers new air planes too Second-place finisher Bertram Lossen flying new design calls Red Palmer generously contoured didnt appear flat place anywhere airplane Dave Brown flew Illusion modified Tiporare less anhedral horizontal tail appears have thinner wing pipe molded bottom fuselage Ivan Kristensen flying Citation de signed Tsugutaka Yoshioka 1973 World Champion us accus tomed seeing him fly versions popular Saturn design big surprise Ivan flies Citation well beaten Dave Brown 1983 Nats airplane way wife concerned might damage Cita 86 Model Aviation Left Cardiac Kid Tony Frackowiak gave everyone fits moving near end pack after second round eighth place end qualifying Tony cool under pressure Right Tsugutaka Voshioka 1973 World Champion readies Citation finished tenth cap splendid display competence consistency Japanese team three members placed within top 10 Left Frances Pascal Ardonceau split rudder Olympus cable-operated act unique speed brake Right Ruggero Pas qualini Italy flew beautifully-detailed model own design calls Galaxi Has three-blade 1 1-6% prop GT Models Left Hugo Peyer Switzerland flew model called Marvin designed Arnold Peyer used three-blade 10-7% Landert prop Right immaculately-finished airplane entered Andre Lafite France 31st French team 7th tion Canadian Nats convinced him fly Saturn finished second event Steve Helms competed newlycompleted Cosmos designed Giichi Nar uke finish absolutely flawless Steve could find flaws hed tell asked rest us couldnt see finish clear Im ron over K&B Superpoxy Wolfgang Matt flew popular Arrow Pattern fliers US dis covering formidable Pattern machine said flew getting old worn didnt look because well over 2000 flights Yoichiro Akiba flew new design called Rocky two airplanes finals YS 60 engine Steve Helms other big topics before World Championships noise requirement contestants engine propeller noise less 105db point January 1984 87 meter airplane airplane sitting ground sound meter height engine announced banquet 70 air planes passed noise tests have enormous effort part contestants achieve success noticeable difference thre air planes use special propellers propellers three blades higher pitches typically used Most fiberglass although few hand-crafted wooden propellers Several fli ers also increased propeller diameter order take advantage braking effect during dives provided increased disk area Hanno Prettner fliers take advantage beneficial effects larger-diameter propeller number human-interest stories could written about World Championships think best involved Jim Clarke Ireland Jim young man describes age Left Ivan Oliver South Africa flew Super Curare has competed last six World Champs Right Emil Giezendanner flew Scorpion III designed brother Bruno former World Champ Afterwards gave backup plane US Team Manager Dick Penrod Left Paul Behm Luxemburgl looks cold starts planes engine 500 early morning temperature Right ship fourcycle engine World Championships Jan Van Beeks Akro Saito 120 Jan Netherlandsplaced 44th team 14th Left Lucien Gerard readies own design called Barracuda Only age 23 has Luxemburgs national champion four times has participated two World Champs Right Whats Q-Rare Mario Quintanilla Mexico flew modified Curare conventional gear 88 Model Aviation full overslept first day qualifying combined bad transmission rented station wagon caused him arrive flight line five minutes before fly dis covered haste get field left wing bolts pipe bracket propeller motel dresser scramble among other entrants produced wing bolts Wolfgang Matt propeller tie wraps anonymous source large rubberband Dave Brown contingent proceeeded assemble Clarkes airplane starting box got airplane started time everyone de lighted until aileron servo connector failed just after takeoff resulting crash spoiled otherwise heartwarming story scariest thing happened dur ing Ivan Kristensens fourth-round flight large flock perhaps 200 birds appeared over horizon moved random manner toward flight line Ivan un aware presence until di rectly front judges about 600 feet away about 200 feet up middle eight-point roll time spotted can imagine ragged rest maneuver looked Jan Van Beek Netherlands probably unusual airplane because used Saito 120 four-cycle large 71in-wingspan Akro four-cycle the competition spectators liked different sound engine site World Championships more-or-less abandoned Navy airfield called Bronson Field located west Pensacola near beautiful Perdito Bay use field Navy heli copter training runways have Continued page 175 Left A beautiful Phoenix 8 TiOwn oy Alberto 1-lores sole entrant Peru Right Lots people gave Jim Clarke Ireland some quick help overslept arrived flight line five minutes before turn fly details text Left Note aileron linkage used Moon Ho Chol Korea Cosmos used two aileron servos drive surface directly Right Rae Fritz 1 Contest Director World Championships Bill Johnston monitoring frequency spectrum possible interference Left Team Australias manager Ron Tayles checks out Cohn Taylors maneuvers directly behind judges Burly caller Tom Prosser dwarfs teammate Right Early morning scene demonstrates Florida iSnt sunshine blue sky Perfect weather ended event January 1984 89 riodel per match lieu hange would encourage pilots take asy primary model maybe build little stronger Charlie Johnson 3716 graham Sr San iego CA 92109 Dver-EZ/Johnson continued paae 78 aper onto edge sheet top Lie other wide sections opposite nds Enough scrap also left fabricate wing tips Two Lite Ply sides glued vith 5-mm epoxy clamped onto oined top bottom engine bearer unit also traced ac ording plans except engine slot vidth will need vary power plant ust draw mid-line measure en ines width onto pattern used bin cryard clear pine stock T/0-in rather han -in Midwest basswood avail ible means use thicker pine sdds bit excess weight holes should drilled bearer before epoxying sides Locate goes drawing straight line fuselage sides exactly 900 front C-clamps used hold together epoxy sets landing gear mount epoxied bearer fuselage front -in tn angular stock added reinforcement model uses pre-bent wire unit Sig Banshee unit can bent shape very easily nylon clips have worked very well substitute original plysandwich mount Wing Cut master pattern two types wing ribs metal ply cut balsa ribs stacks trailing edge stock must trued straightedge make TE pinned flat building surface bottom spar shimmed up ribs added CyA glue used entire wing frame can dry assembled glued Wing center-section sheeting used origianl design obviously highly desirable added after panel removed building board Add -in tips scraps Carve sand leading edge tips center section shape fact wings identical have no joints center makes very rapid simple construc tion covered MonoKote have proven durable good twist resistance Final assembly Obviously tail feathers wing struts fabricated before step pre-finished wood covered portions model before assembly matter simplicity Masking tape used keep finish off areas epoxy joints would Place lower wing absolutely flat surface block position Epoxy fuselage onto area MonoKote has removed Use large 900 triangle position fuselage sides exactly right angles wing make sure fuselage 900 span wing Block securely epoxy cures Cut slots struts twin-rib areas bottom top wing trial-fit Epoxy top wing unto stillblocked-up fuselage bottom wing unit Use epoxy wing strut slots well Recheck unit squareness both planes pin weight wing tight joint against fuselage top Once epoxy cured add stabilizer fin Remove unit board finish adding landing gear wheels engine tank etc Control hookup pretty well self-explanatory used 3A2-in wire Z-bend crank end 4-40 links rod elevator horn Lead-outs come through reinfored section inboard strut Flying Presuming balance point CO adjusted moving engine back forth pre-assembly step / oz lead outboard wing tip engine will run thing pussycat fly Line tension remarkable such ancient design found con trol segments positioned outside holes specified hardware OverEZ docile enough beginner 25yet aerobatic advanced flier 35 Loops arent tight weve become accustomed flapped lightly-loaded contemporary Stunters yet has certain open gracefulness Whatever prospective builders age flying level OverEZ OldTimer Stunt models truly enjoyable RC Simulator/Levy Continued page 94 move plane different positions watch resulting profiles screen profiles have helped learn rec ognize whether plane flying toward going away gets out Its good training device rainy day build take flying field sure show colors get frequency pin off board transmitter really though trainer isnt air RC Aerobatics WC/Van Putte Continued page 89 unattended years As conse quence runways cracked grass has sprouted cracks contest organizers work weeks cut down remove tall grass left hundreds acres runway looking like grassy field Everyone looked forward beau tiful fall Florida weather because October known prettiest time year Florida panhandle can imagine THIS FUEL FEATURES ORUST PREVENTION AGENTS SDETERGENTS OLUBRICATION WITH HIGH FLASH POINTS eWEFlING AGENTS FOR MORE EFFICIENT AND DEPENDABLE FUEL FLOW OANTI-FOAMING AGENTS TO PREVENT LEAN RUNS KEEPS YOUR ENGINE RUNNING COOL OAN ODORLESS HIGHLY REFINED FUEL CHILDPROOF LIDS Available hAl 5 10 15 25 & 40% Nitro-Methane Contents Formulated synthetic lubricants Also aaiIabIe castor DEALERS WAN1ED DOMESTIC & OVERSEAS WE EXPORT competition fuel fast becoming THE CHOICE top profesionals first cash product Contact us price structures ordering information ManufacturerS Major Brand Distributors Model Engines Kits Rados Accessories SUPER K Fuels ore brand KINGS RADIO CONTROL HOBBIES INTERNATIONAL 3960 West 46 Ave Hialeah Florida 33042 305 557-2024 January 1984 175 specially formulated chemically balanced fuel top peutormance minimum engine wear weather condition beginner p. written illus trated RiCer over 50 years model air plane experience Teaches basic model aerodynam ics commonsense manner. covers radio equipment learning fly much Easy understand must RiC modelers library $1195 Please add $100 ordered direct Available hobby shops order direct ACE R/C BOX 511 HIGGINSVILLE MO 64037 GREAT PLANES MODEL DISTRIBUTOR BOX 725 URBANA ILLINOIS 61801 ZENITH AVIATION BOOKS BOX 1 OSCEOLA WISCONSIN 54020 CLELAND GIANTS GIANT SCALE BUFFS Worlds Largest Gas Plans Assortment INTERNATIONALLY FAMOUS C-D QUALITY MODELS PLANS 77 Locoobe Sedon $25 D7Fir$3973NAMiokBo,b $4 6 Pole Race $32 65 TMMoroode 8-26 $42 & So Gee-Bee $32 78 Sopoolh Pop $24 .oine 568 $34 81 DO 88oqolo tb $38 t9Soperoorioe S6t $32 108 DO Moeqo8oob S4t 62 Co- Hocok P-6E $36 61 Corli, tobjo 005 $16 94 Co9ck P-6E F, $54 98 Sico PTi7Koyde SAt 62 Lockheed Vgo $24 99 Ntik Wdooc P61 $65 Posl LNt-4 $28 71 DoogDC-3 Iron $29 le GB 11 $39 95 DoogDC-3 Tron $45 oope Spori $36 86 Hocok Teooco 13 $32 9 Bolldog $39 108 Co8201/4 L&S $56 61 non C-s Spi $35 78 Aroc SpiPcr A2 $3o glo 8-38 Ob $24 60 Dooglo 143 Moil $24 122 Dooglo 038 Oh $49 6$ 8iiol tolidog Fir $30 v ~094 Poge cr1 tocer $45 39 trocontoceMLA $54 Moln 810 took $29 107 Gro, teorci P87 $24 7tTo,ey WW Roc 835 73 Tocoel Aj 6800 $24 64 Ccr Gokk P112 $38 1071401 Mt-i $oc $46 okk P112 $54 91 Locdke0g NX2i 1 $39 Coc,el R0 824 61 AEG GIV Li 80, $24 MolIlgoc 935 108 PoichPTi9 7$59 94 too Mc Molligon $45 90 Woco TopeWj,g $39 63 Boeng P26A Pr $36 75 WHoIid Lyo,6e $33 84 toeng P-26A Fl $48 100 WeolId Lyonde $69 69 Woco 6 Cobi, $36 57Ford T,oci 4-AT $38 64 Beech 178 Slog 939 76 Food Tjcc0 4AT $45 68eenh 179 Slog$49114 Ford Ti,i 4AT$59 55 Lock ii Eleolco$2484 BerlJoce 9FJ3$56 ,..83 Lock 1 Eleocco$3393 Loenirog C2A,pk$99 o, T/W 087$1658 GoccJ3-P Dock$39 tlSlooo, TW 587$2478 Go,J2-F Dccl$56 122 Sl,,o, TW 087$32SOGoIho GiV to,$22 598 P2-B$20117 Golho G1V to,$39 788 o F, P2893268 Doog 0-46A Oh$32 WO 188 l P28545108 Sikor S38 Aopk$49 747 L Pesco Spec9456OBoe 100 SpocI$36 63 Sky ockel 07571$2090 Boe 100 Spool$49 560 Wookk P40$2490 Sli,Alooo Wi,0$56 - -78 Lock Ligkl,g P38$3880 Moli 7474141839 56 Rep SeoBee A,82475 H-Pg 0400 9o,b$25 j74 Rp Scot Acoplo$39100 HP9 0400 to,$49 Pp J3 ok 939 65 Mkioo lippe $50 99 Lo k Hodoo 8,k$3897 Mhio Ippe$69 63 G o, FOP Heilcol$2871 Loooo 2 Ajl,$24 *77 toe og8-l7OFol$2966 B0133 BO Jog,829 S4ool Socill XP934828 03900 8I7GFo,96968 tooW,kle 8,d845 08 RyoT Nooo$3963 L,dbeg ISicios824 68 BBocooo V Toil83955 ecolocHiod Fl8c,$32 NO KITSAVAILABLEIPicesokjeclochoge Cihe Scoles o,d Sizes frono 6 Spoo ooplele Wilk PoOe,, Fo, 25c ~--- Add 10 ioolloodeosfoo okippog Si,. coo. _____ USA Coo & Meo Elicookere odd 15% 120 ojl Pclooool cololog $150 Pice IjOl ocollo oboe 55c *byoi,Roeigeodd$1801* .rCLEVELAND MODEL&SUPPLY Co 103073 Daira6 A,Clenelond Ohio 44182 176Model Aviation everyones surprise Monday check-in day greeted misty rain Tuesday official practice day began heavy rain wind gradually eased off ended sunshine pleasant temperatures However evening early Wednesday morning first day com petition Pensacola struck thun derstorms rain ended soon after scheduled 700 am start competition began 15 minutes late skies grad ually cleared days schedule completed However Thursday morning started nasty cold wind 500 low overcast skieswhich delayed start two hours Moon Ho Choi Korea taken off official flight 700 am have airplane disappear overcast five seconds eternity got safely back ground flying extended hour past scheduled 200 pm stopping time permit partial catch up Friday morning again cold cloudy windy flights got off schedule An additional hour catch-up flying re sulted completion scheduled flights Friday Saturday morning devoted finish ing last round qualifying flights weather cooperated gradually clearing until fourth round ended bright sun shine balmy temperatures beautiful weather continued through final flights started 1230 pm lasted until approximately 315 pm scoring finals done eight judges line total score sum qualifying scores best score two final flights Consequently finals accounted half total score scores posted very soon after flight both qualifying finals thanks dedicated crew Score sheets handcarried flight line tabulating center processing scores radioed center area posting computer program World Championships written pro fessional programmer David H Dirty Dave Knowles non-modeler con tributed services After round individual scores team scores computer-ordered copies dis tributed contest officials team man agers eliminated numerous hand calcula tions everyone much faster could have possible otherwise Following finals everyone took four-hour break convened Pen sacola Country Club excellent buffetstyle meal formal awards ceremony Since able arrange 24-hour film processing 35mm Ektachrome slides over 200 slides already pro cessed wife Faith put together slide show carousel projector showed 160 best slides wall banquet room prior start banquet gave contestants sup porters chance see themselves action everyone seemed enjoy competition magnitude 1983 World Championships has group LPLANE** launching equipment hi-starts/winches/accessories complete line/best prices/top quality send self-addressed stamped envelope catalog/information RLF PRODUCTS R3 Box 178-V Paoli IN 47454181217234310 SILICONE gaoolin 10 foot coilsTUBING lD 062092 125u S POST $Icoil 235265 325 54r/COIL LARRY DODGE AERO INC 10210 MANNINGSTILLWATER MN 550B2 COMPLETELY FINISHED R/C AIRCRAFT Completely Finished RIC AircraftAll Sizes & Types Radio Engine Only CG Sky Teger.63 trainer $22500 Sig alp Wing J3 Cub--S4 Span $25000 SEND FOR COMPLETE LIST HOBBY CAPITOL R/C 46 N Oak St. VentUra California 93001 RADIO EQUIPMENT EXCHANGE Box 561 Park Forest Illinois 60466 List used radio equip ment sale No fee listing Escrow available Send SASE details hard-working individuals make come together Rather try name couldnt miss some think its fitting two individuals really made happen should named Ron Chid gey asked Rae Fritz Contest Director Ron Rae proceeded collect group experts handle vari ous specialties core experts would probably first agree Rae Fritz Ron Chidgey individuals deserve credit making World Championships world-class event Four-Cycle/Nutting Continued page 97 Tacie hand colorful Sig Clipped-Wing Cub Gemini Twin perfectly scaleilke aerobatics won award Most Realistic Flight Hawks Club planned few lowpressure events rally compe tition unnecessary participate like Tacie Karlsson elected just enjoy flying John Maloney World Engines donated what seemed like whole shipload 0S four-cycle engines affair Half given prizes competitive events other half awarded door prizes drawing list participants big prize Best Show jewel-like Kavan Twins second being raffled off underwrite Hawks expenses Rolls Royce four-cycle engines right now seems Kavan Twin least three planes powered twa 500 08W TO USE OEfltOfl 00 00 0000 ccci ,c 0P000 0005 0/C Ta MAKE P00050 MOnt Eid48008LE P00 Saga sew LOStnIMe Boo