Control Line Aerobatics Ted Fancher IVE JUST RETURNED write late October 1986 probably finest Stunt contest Ive ever attendedwith possible exception Nats Clovis Controlin erswhose home base just north Fresno CAhave several years conducted contest known California North/South Championships Californians would get together last shot other late October list past winners reads like whos recent Califomia Stunt people Bob Whitely Bob Baron Paul Walker before star yours truly last year Gid Adkisson person about will bearing Last year defeated three former National Champions fly ing original semi-scale Laser version Bob Whitely flew very close second place last years Nats year attempt attract wider partici pation CD Bob Ellis clubmates went out run meet would difficult resist First changed name meet Golden State Championships designed logo prominently displayed thing everything having meet including awards beautiful wooden plaques official T-shirts presented judges workers also sale participants spectators field available day before practice huge magnificently-prepared lawn type can fly off hard surface landing gear two official circles four practice circles roped-off pit area adjacent spectator area designated areas both set-up after-flight cleanup opposite sides official circles layout allowed ships examined spec tators still being protected Nats-style ap pearance judging Concours dElegance voting also took place area moved ready area prepara tion pull test appropriate circle official flying off pickup area conflicting next flier entering pits pick-up area again adjacent roped-off spectator area allowed interested individuals interview pilot exam ine airplane after flight pilots willingness engage conversation generally apparent thoughtfully provided tents shade spectators competitors between flights tabulators concession workers served tons great home-cooked goodies reasonably-priced barbecued lunch during break between rounds pit boss Doss Porter worked day keep things mov ing constantly-available CD assistant CD outstanding judges did excellent job advertising contest including flyers custom ad Model Aviation again featuring Golden State logo intensive personal contact efforts both telephone mail effort paid off proven size tumout degree enjoyment experienced everyone involved competition Expert like mini-Nats withthree former Nats champions competing other contestants former Nats qualifiers Al though frosts admit Paul Walker took goodies Expert back Seattle including Concours award magnificent wire sculpture Nobler mounted walnut plaque An equally competitive Advanced shoot-out resulted close victory Dino Mancinelli LA flying Imitation disguised Derringer Beginner/Advanced category topped Wal ter Hicks has Fancher wasted much time ask Two reasons First serves example what takes put really first-rate contest real stars meet organ izers organization Use successful format guideline next big meet Itll pay off right away should pay greater dividends following year contests reputation established Second wanted help spread word Golden State Cham pionships next year have desire attend really first-class meet addition Nats weather always great competitions tough contest-eve banquet great fun enjoyment level exceptional serious problems facing Con trol Line Stunt lack engines being pro duced needs mind few modem ones holds out some promise OS 4OFP-S Schnuerle-ported plain-bearing lapped-piston engine available conventional intake Although non-RC ver sion may easily obtainable local dealer Ive contacted Tower Hobbies have stock As always support local dealer possible good know Tower aware us trying meet some needs Thanks guys Don MeClave sent comprehensive run down experience engine thought would pass report Heeeeres Donny Stunt version OS 40FP desig nated FP-S comes two venturis having 280 bore installed other bore 265 Control Line needle valve sembly installed engine assembled two 016 head gaskets instead single Continued nage 165 62 Model Aviation ST 60-powered entry Paul BunyanBob Whitely L designer Gid Adkisson BemidjiMNJustkiddingfolksllnreaiityshow off nearly-identical Bud Light DinoManclnellisfootrestsbyTom Lays TeeLasers Bob placed second 86 Nats Dee 010-powered Stunterwith Theyre ST 60 powered Californias Golden State Championships saw good turnout Stunters last October Heres look some 30 planes ready area L right Judges Bill Kipp Bart Klanski begin difficult task appearance-judging entries new time several on-off controls engine other functions demonstrated Rothsee near home during late 1 920s included firing four bullets deck placed projecf nonhobby category10 Weber used term Radio Dynamics describe emerging radio-control tech nology term also title radio control book B F Miessner USA 1916 term no longer used today conjectured Weber may have borrowed words Miessner wonder anyone used term before Miessner Acknowledgements thanks Hans Justus Meier Bremen research translations adviceto wife Joyce typing patienceto brother Bill son Terry proofreading critiquesand Tom Perzentka Flettner reference References 1Gd Walt History RC Flying Model Aviation March April May 1986 2Zaic Frank An American View Model Aviation Model Airplane News April 1938 3Petersen Berthold others 25 Years Mod ellflug im Deutscher Aero Club 1975 4Eichhorn M Neue Bestimmungen uber die Fernsteurung von Flugmodellen Modellflug Vol 2 1937 No 5 p 150 5Alexander Franz Modellfiug magazine Vol 1 1936 No 2 5Note Official permission Modellflug magazine Germany obtained Ver lag ES Mittler & Sohn Munich letter December 3 1985 7Lippitsch Alfred Modellflug Vol 1 1936 No 3 ALubke Technik und Mensch im Jahre 2000 Verlag Kosel Munich 1927 9Flettner Anton Story Rotor pubi FO Willhofft New York NY original book Mein Weg zum Rotor publ Koehier 1926 Amelang Leipzig 1926 15Weber Rudolf Strahien lenken em Boot Das Neue Universum Vol 53 1933 CL Aerobatics/Fancher Continued page 62 head gasket found RC version Otherwise two engines identical 81 ounces muffler 4OFP lightest engine come along years Its comparable old McCoy 35 K&B Tor pedo 35 Fifties realize comparison dates OS quality among best industry durability should quite good lapped piston means no ring gaps seals worry about FP Schnuerle-ported engine means easy starting power other porting configurations Unfortunately past also meant nearly uncontrollable tendency surgeespecially outside maneuvers FP has extremely mild port timing aod does have tendency break just dont want Now what to make engine run well February 1 987 1 65 L FOR SPORT FLYING AND COMPETITION rol Line Handle SAN ESS SEE CARE S S TEST BRASS C AMP FORHTechDesign CAB E AD US MEN H MPAC ComfortableCompact OR- Engineered 1%OHS RENG HLong Life ATAUM NUMA DY iple Line Spacing BETTER Sensitivity Control HOBBY Dealer Inquiries Invited SHOPS-nhtactured hy Sagan Industries Inc 31-U 35th St LIC NY 11106 begin throw away stock muffler Besides being heavy seems no way get run well Theres too much back pressure opening up exhaust hole turns thing turned pipe about two laps engine comes away go 90-mph Stunt flight Hal deBolt would have loved itshades Stuntwagon Instead stock muffler use same SST muffler use ST 60 16-20 holes open Note Ted last refers practice installing short 4-40 bolts small outlet holes SST-style muffler vary amount back pressure Unlike FSR series engines FP doesnt like much back pressure install SST muffler just run 6-32 tap through muffler-attachment holes crankcase egg out mounting holes muffler slightly Note SST muffler Don refers available SST Products 28746 Westfield Livonia MI 48150 FP comes two head gaskets installed seems optimum third gasket results power loss noticeable benefit using gasket makes engine run rough break excessively during maneuvers 'Like Stunt engines FP loves Northwest-blend Stunt fuel 10% nitro methane 25% castor oil 65% methanol alco hol runs better fuel synthetic castor/ynthetic blends will last longer owners manual suggests using OS 2SFP venturi necessary smooth out en gine run Frankly quite difficult notice change run smoothness power defi nitely less using set-up Jack flying part ner Jack Pitcher started using 25-size venturi because plane originally built 35 just four-ounce fuel tank Thats reason consider using small venturi because larger ventuns definitely provide power Power FPs weak spot Weak think terms FSR series 40 Its like very strong 35 should perform quite well Noblers Chipmunks Cobras like weighing around 40-45 ounces Jacks Twister Paul Walkers Cobra fly quite well wind FP 40s engine light small enough fit nicely aircraft Just put five-ounce uniflow-vented tank Taffinder makes $595 mount 105 11 x 6 prop youre likely quite pleased result final note needle valve assembly traditional OS design finer threads Its perfectly acceptable installing Kustom Kraftsmanship universal needle valve assembly good idea because gives very fine adjustYou will amazed performance gained using simple inexpen sive improvement FREE MOVEMENT450 STRONG AND LIGHTWEIGHT COMPLETELY FUELPROOF COMPATABLE WITH ALL IRON-ON MATERIALS COMES IN 3 FT LENGTHS SMALL 118 ORPRiCE 3 ft $250 LARGE 114 EASY TO INSTALL 42 3 Send Free Info fine products FOURMOST PRODUCTS 4040 24th Avenue Forest Grove OR 97116 cur //4 DEEP sur ALLWG i/f FLEL LEAGrH DE r/IE MAGSO S18FACE5 ASrALL H#SOE USE srRAjeqr FF4 70 MAKE 5M4LL HOLE EVERy MCI OR SD DRIR CYAM2NDWLA7S GLLE IN IFOLEF CARELAR1 AC7FLW I#LL CANNY GLUE AILSi5T EA77E JOIST FOR ADDIT/OAAL SELVRITY IVSEPr SMALL P14 EVERY FEW IAICHES cur OFF FLUSH FiLL AND SAND AS ACEDED FOR FINISNAIIG QUAY BARBER MODELS v1r4 SHOESTRINGd S4I-K1T $11995 KIT$15495 Faick Rivet ~jSEMIKIT $11995 KIT$15495 EPOXY/GLASS/FOAH/BALSA CONSTRUCTION WITH DRAWINGS AND DATA FOR FORMULA 12D PYLON SPORT OR STANDOFF SCALE FULL OR S4IKITSCosmic @5 10 lbs w5ight Wind 790 sq wing ares SLMI-KIT $10995 60 2 stroke 12 4 stroke KIT $14495 skit prices plus shipping scredit Cards welcome o residents add 6 Z 72 27106 Butternut RidgeNorth Olmated Ohio 44070 ment choose youll have drill out case venturis slightly accept KK assembly No big deal just remember put tissue case before drill keep metal par ticles out engine Thanks Don Im sure lot readers will take advantage investigations Heres couple quick thought-provokers Im compiling statistics top 20 ships last years Nats Theyll published soon Fifteen Stunters powered 60s 14 Supertigres Merco two ST 46s two OS 45s 05 35 Does mean Stunt becoming one-engine event need 60 compete dont think nor number other competitive fliers Stay tuned Youll love top 20 finishers three heaviest wing loadings ounces weight per square foot wing area finished following order Bob Whitelys Laser heaviest 142 oz/sq ft finished second Bob Barons El Jay next heaviest 139 oz/sq ft finished third place Citation V next heaviest 129 oz/sq ft finished first place Windy Urtnowskis Relentless slightly lighter 128 oz Historically ideal wing loading roughly 11 oz/sq ft has advocated almost everyone including article Exci tation Reno Special Retaliation just over 9 05/sq ft mediocre stayed closet Paul Walker won 84 Nats Bad News wing loading about 13 Fancher speaking heresy heavy better light Good question isnt Opinions follow What say arent surprised Ted Fancher 158 Flying Cloud Isle Foster City CA 94404 CL Scale/Boss Continued page 63 enjoyed column glad see dont have national contender get models picture CL Scale column would like thank Bill complimentary remark same time take opportunity comment last thought has always objective colum nist use photos ideas whether beginner expert problem basically same columnists dont always get great amount input readers usually comes advanced Continued page 168 166 Model Aviation Still Using bid Fashioned Viling Hinges *~s pPL will gain control efficiency by eliminating gap between moveable stationary control surfaces GAPLESS HINGE SLOTTER Simplifies installation Gapess Hinges hMakes SlOtS 4 Sizes Balsa 5-A-S CE $250
Edition: Model Aviation - 1987/02
Page Numbers: 62, 165, 166
Control Line Aerobatics Ted Fancher IVE JUST RETURNED write late October 1986 probably finest Stunt contest Ive ever attendedwith possible exception Nats Clovis Controlin erswhose home base just north Fresno CAhave several years conducted contest known California North/South Championships Californians would get together last shot other late October list past winners reads like whos recent Califomia Stunt people Bob Whitely Bob Baron Paul Walker before star yours truly last year Gid Adkisson person about will bearing Last year defeated three former National Champions fly ing original semi-scale Laser version Bob Whitely flew very close second place last years Nats year attempt attract wider partici pation CD Bob Ellis clubmates went out run meet would difficult resist First changed name meet Golden State Championships designed logo prominently displayed thing everything having meet including awards beautiful wooden plaques official T-shirts presented judges workers also sale participants spectators field available day before practice huge magnificently-prepared lawn type can fly off hard surface landing gear two official circles four practice circles roped-off pit area adjacent spectator area designated areas both set-up after-flight cleanup opposite sides official circles layout allowed ships examined spec tators still being protected Nats-style ap pearance judging Concours dElegance voting also took place area moved ready area prepara tion pull test appropriate circle official flying off pickup area conflicting next flier entering pits pick-up area again adjacent roped-off spectator area allowed interested individuals interview pilot exam ine airplane after flight pilots willingness engage conversation generally apparent thoughtfully provided tents shade spectators competitors between flights tabulators concession workers served tons great home-cooked goodies reasonably-priced barbecued lunch during break between rounds pit boss Doss Porter worked day keep things mov ing constantly-available CD assistant CD outstanding judges did excellent job advertising contest including flyers custom ad Model Aviation again featuring Golden State logo intensive personal contact efforts both telephone mail effort paid off proven size tumout degree enjoyment experienced everyone involved competition Expert like mini-Nats withthree former Nats champions competing other contestants former Nats qualifiers Al though frosts admit Paul Walker took goodies Expert back Seattle including Concours award magnificent wire sculpture Nobler mounted walnut plaque An equally competitive Advanced shoot-out resulted close victory Dino Mancinelli LA flying Imitation disguised Derringer Beginner/Advanced category topped Wal ter Hicks has Fancher wasted much time ask Two reasons First serves example what takes put really first-rate contest real stars meet organ izers organization Use successful format guideline next big meet Itll pay off right away should pay greater dividends following year contests reputation established Second wanted help spread word Golden State Cham pionships next year have desire attend really first-class meet addition Nats weather always great competitions tough contest-eve banquet great fun enjoyment level exceptional serious problems facing Con trol Line Stunt lack engines being pro duced needs mind few modem ones holds out some promise OS 4OFP-S Schnuerle-ported plain-bearing lapped-piston engine available conventional intake Although non-RC ver sion may easily obtainable local dealer Ive contacted Tower Hobbies have stock As always support local dealer possible good know Tower aware us trying meet some needs Thanks guys Don MeClave sent comprehensive run down experience engine thought would pass report Heeeeres Donny Stunt version OS 40FP desig nated FP-S comes two venturis having 280 bore installed other bore 265 Control Line needle valve sembly installed engine assembled two 016 head gaskets instead single Continued nage 165 62 Model Aviation ST 60-powered entry Paul BunyanBob Whitely L designer Gid Adkisson BemidjiMNJustkiddingfolksllnreaiityshow off nearly-identical Bud Light DinoManclnellisfootrestsbyTom Lays TeeLasers Bob placed second 86 Nats Dee 010-powered Stunterwith Theyre ST 60 powered Californias Golden State Championships saw good turnout Stunters last October Heres look some 30 planes ready area L right Judges Bill Kipp Bart Klanski begin difficult task appearance-judging entries new time several on-off controls engine other functions demonstrated Rothsee near home during late 1 920s included firing four bullets deck placed projecf nonhobby category10 Weber used term Radio Dynamics describe emerging radio-control tech nology term also title radio control book B F Miessner USA 1916 term no longer used today conjectured Weber may have borrowed words Miessner wonder anyone used term before Miessner Acknowledgements thanks Hans Justus Meier Bremen research translations adviceto wife Joyce typing patienceto brother Bill son Terry proofreading critiquesand Tom Perzentka Flettner reference References 1Gd Walt History RC Flying Model Aviation March April May 1986 2Zaic Frank An American View Model Aviation Model Airplane News April 1938 3Petersen Berthold others 25 Years Mod ellflug im Deutscher Aero Club 1975 4Eichhorn M Neue Bestimmungen uber die Fernsteurung von Flugmodellen Modellflug Vol 2 1937 No 5 p 150 5Alexander Franz Modellfiug magazine Vol 1 1936 No 2 5Note Official permission Modellflug magazine Germany obtained Ver lag ES Mittler & Sohn Munich letter December 3 1985 7Lippitsch Alfred Modellflug Vol 1 1936 No 3 ALubke Technik und Mensch im Jahre 2000 Verlag Kosel Munich 1927 9Flettner Anton Story Rotor pubi FO Willhofft New York NY original book Mein Weg zum Rotor publ Koehier 1926 Amelang Leipzig 1926 15Weber Rudolf Strahien lenken em Boot Das Neue Universum Vol 53 1933 CL Aerobatics/Fancher Continued page 62 head gasket found RC version Otherwise two engines identical 81 ounces muffler 4OFP lightest engine come along years Its comparable old McCoy 35 K&B Tor pedo 35 Fifties realize comparison dates OS quality among best industry durability should quite good lapped piston means no ring gaps seals worry about FP Schnuerle-ported engine means easy starting power other porting configurations Unfortunately past also meant nearly uncontrollable tendency surgeespecially outside maneuvers FP has extremely mild port timing aod does have tendency break just dont want Now what to make engine run well February 1 987 1 65 L FOR SPORT FLYING AND COMPETITION rol Line Handle SAN ESS SEE CARE S S TEST BRASS C AMP FORHTechDesign CAB E AD US MEN H MPAC ComfortableCompact OR- Engineered 1%OHS RENG HLong Life ATAUM NUMA DY iple Line Spacing BETTER Sensitivity Control HOBBY Dealer Inquiries Invited SHOPS-nhtactured hy Sagan Industries Inc 31-U 35th St LIC NY 11106 begin throw away stock muffler Besides being heavy seems no way get run well Theres too much back pressure opening up exhaust hole turns thing turned pipe about two laps engine comes away go 90-mph Stunt flight Hal deBolt would have loved itshades Stuntwagon Instead stock muffler use same SST muffler use ST 60 16-20 holes open Note Ted last refers practice installing short 4-40 bolts small outlet holes SST-style muffler vary amount back pressure Unlike FSR series engines FP doesnt like much back pressure install SST muffler just run 6-32 tap through muffler-attachment holes crankcase egg out mounting holes muffler slightly Note SST muffler Don refers available SST Products 28746 Westfield Livonia MI 48150 FP comes two head gaskets installed seems optimum third gasket results power loss noticeable benefit using gasket makes engine run rough break excessively during maneuvers 'Like Stunt engines FP loves Northwest-blend Stunt fuel 10% nitro methane 25% castor oil 65% methanol alco hol runs better fuel synthetic castor/ynthetic blends will last longer owners manual suggests using OS 2SFP venturi necessary smooth out en gine run Frankly quite difficult notice change run smoothness power defi nitely less using set-up Jack flying part ner Jack Pitcher started using 25-size venturi because plane originally built 35 just four-ounce fuel tank Thats reason consider using small venturi because larger ventuns definitely provide power Power FPs weak spot Weak think terms FSR series 40 Its like very strong 35 should perform quite well Noblers Chipmunks Cobras like weighing around 40-45 ounces Jacks Twister Paul Walkers Cobra fly quite well wind FP 40s engine light small enough fit nicely aircraft Just put five-ounce uniflow-vented tank Taffinder makes $595 mount 105 11 x 6 prop youre likely quite pleased result final note needle valve assembly traditional OS design finer threads Its perfectly acceptable installing Kustom Kraftsmanship universal needle valve assembly good idea because gives very fine adjustYou will amazed performance gained using simple inexpen sive improvement FREE MOVEMENT450 STRONG AND LIGHTWEIGHT COMPLETELY FUELPROOF COMPATABLE WITH ALL IRON-ON MATERIALS COMES IN 3 FT LENGTHS SMALL 118 ORPRiCE 3 ft $250 LARGE 114 EASY TO INSTALL 42 3 Send Free Info fine products FOURMOST PRODUCTS 4040 24th Avenue Forest Grove OR 97116 cur //4 DEEP sur ALLWG i/f FLEL LEAGrH DE r/IE MAGSO S18FACE5 ASrALL H#SOE USE srRAjeqr FF4 70 MAKE 5M4LL HOLE EVERy MCI OR SD DRIR CYAM2NDWLA7S GLLE IN IFOLEF CARELAR1 AC7FLW I#LL CANNY GLUE AILSi5T EA77E JOIST FOR ADDIT/OAAL SELVRITY IVSEPr SMALL P14 EVERY FEW IAICHES cur OFF FLUSH FiLL AND SAND AS ACEDED FOR FINISNAIIG QUAY BARBER MODELS v1r4 SHOESTRINGd S4I-K1T $11995 KIT$15495 Faick Rivet ~jSEMIKIT $11995 KIT$15495 EPOXY/GLASS/FOAH/BALSA CONSTRUCTION WITH DRAWINGS AND DATA FOR FORMULA 12D PYLON SPORT OR STANDOFF SCALE FULL OR S4IKITSCosmic @5 10 lbs w5ight Wind 790 sq wing ares SLMI-KIT $10995 60 2 stroke 12 4 stroke KIT $14495 skit prices plus shipping scredit Cards welcome o residents add 6 Z 72 27106 Butternut RidgeNorth Olmated Ohio 44070 ment choose youll have drill out case venturis slightly accept KK assembly No big deal just remember put tissue case before drill keep metal par ticles out engine Thanks Don Im sure lot readers will take advantage investigations Heres couple quick thought-provokers Im compiling statistics top 20 ships last years Nats Theyll published soon Fifteen Stunters powered 60s 14 Supertigres Merco two ST 46s two OS 45s 05 35 Does mean Stunt becoming one-engine event need 60 compete dont think nor number other competitive fliers Stay tuned Youll love top 20 finishers three heaviest wing loadings ounces weight per square foot wing area finished following order Bob Whitelys Laser heaviest 142 oz/sq ft finished second Bob Barons El Jay next heaviest 139 oz/sq ft finished third place Citation V next heaviest 129 oz/sq ft finished first place Windy Urtnowskis Relentless slightly lighter 128 oz Historically ideal wing loading roughly 11 oz/sq ft has advocated almost everyone including article Exci tation Reno Special Retaliation just over 9 05/sq ft mediocre stayed closet Paul Walker won 84 Nats Bad News wing loading about 13 Fancher speaking heresy heavy better light Good question isnt Opinions follow What say arent surprised Ted Fancher 158 Flying Cloud Isle Foster City CA 94404 CL Scale/Boss Continued page 63 enjoyed column glad see dont have national contender get models picture CL Scale column would like thank Bill complimentary remark same time take opportunity comment last thought has always objective colum nist use photos ideas whether beginner expert problem basically same columnists dont always get great amount input readers usually comes advanced Continued page 168 166 Model Aviation Still Using bid Fashioned Viling Hinges *~s pPL will gain control efficiency by eliminating gap between moveable stationary control surfaces GAPLESS HINGE SLOTTER Simplifies installation Gapess Hinges hMakes SlOtS 4 Sizes Balsa 5-A-S CE $250
Edition: Model Aviation - 1987/02
Page Numbers: 62, 165, 166
Control Line Aerobatics Ted Fancher IVE JUST RETURNED write late October 1986 probably finest Stunt contest Ive ever attendedwith possible exception Nats Clovis Controlin erswhose home base just north Fresno CAhave several years conducted contest known California North/South Championships Californians would get together last shot other late October list past winners reads like whos recent Califomia Stunt people Bob Whitely Bob Baron Paul Walker before star yours truly last year Gid Adkisson person about will bearing Last year defeated three former National Champions fly ing original semi-scale Laser version Bob Whitely flew very close second place last years Nats year attempt attract wider partici pation CD Bob Ellis clubmates went out run meet would difficult resist First changed name meet Golden State Championships designed logo prominently displayed thing everything having meet including awards beautiful wooden plaques official T-shirts presented judges workers also sale participants spectators field available day before practice huge magnificently-prepared lawn type can fly off hard surface landing gear two official circles four practice circles roped-off pit area adjacent spectator area designated areas both set-up after-flight cleanup opposite sides official circles layout allowed ships examined spec tators still being protected Nats-style ap pearance judging Concours dElegance voting also took place area moved ready area prepara tion pull test appropriate circle official flying off pickup area conflicting next flier entering pits pick-up area again adjacent roped-off spectator area allowed interested individuals interview pilot exam ine airplane after flight pilots willingness engage conversation generally apparent thoughtfully provided tents shade spectators competitors between flights tabulators concession workers served tons great home-cooked goodies reasonably-priced barbecued lunch during break between rounds pit boss Doss Porter worked day keep things mov ing constantly-available CD assistant CD outstanding judges did excellent job advertising contest including flyers custom ad Model Aviation again featuring Golden State logo intensive personal contact efforts both telephone mail effort paid off proven size tumout degree enjoyment experienced everyone involved competition Expert like mini-Nats withthree former Nats champions competing other contestants former Nats qualifiers Al though frosts admit Paul Walker took goodies Expert back Seattle including Concours award magnificent wire sculpture Nobler mounted walnut plaque An equally competitive Advanced shoot-out resulted close victory Dino Mancinelli LA flying Imitation disguised Derringer Beginner/Advanced category topped Wal ter Hicks has Fancher wasted much time ask Two reasons First serves example what takes put really first-rate contest real stars meet organ izers organization Use successful format guideline next big meet Itll pay off right away should pay greater dividends following year contests reputation established Second wanted help spread word Golden State Cham pionships next year have desire attend really first-class meet addition Nats weather always great competitions tough contest-eve banquet great fun enjoyment level exceptional serious problems facing Con trol Line Stunt lack engines being pro duced needs mind few modem ones holds out some promise OS 4OFP-S Schnuerle-ported plain-bearing lapped-piston engine available conventional intake Although non-RC ver sion may easily obtainable local dealer Ive contacted Tower Hobbies have stock As always support local dealer possible good know Tower aware us trying meet some needs Thanks guys Don MeClave sent comprehensive run down experience engine thought would pass report Heeeeres Donny Stunt version OS 40FP desig nated FP-S comes two venturis having 280 bore installed other bore 265 Control Line needle valve sembly installed engine assembled two 016 head gaskets instead single Continued nage 165 62 Model Aviation ST 60-powered entry Paul BunyanBob Whitely L designer Gid Adkisson BemidjiMNJustkiddingfolksllnreaiityshow off nearly-identical Bud Light DinoManclnellisfootrestsbyTom Lays TeeLasers Bob placed second 86 Nats Dee 010-powered Stunterwith Theyre ST 60 powered Californias Golden State Championships saw good turnout Stunters last October Heres look some 30 planes ready area L right Judges Bill Kipp Bart Klanski begin difficult task appearance-judging entries new time several on-off controls engine other functions demonstrated Rothsee near home during late 1 920s included firing four bullets deck placed projecf nonhobby category10 Weber used term Radio Dynamics describe emerging radio-control tech nology term also title radio control book B F Miessner USA 1916 term no longer used today conjectured Weber may have borrowed words Miessner wonder anyone used term before Miessner Acknowledgements thanks Hans Justus Meier Bremen research translations adviceto wife Joyce typing patienceto brother Bill son Terry proofreading critiquesand Tom Perzentka Flettner reference References 1Gd Walt History RC Flying Model Aviation March April May 1986 2Zaic Frank An American View Model Aviation Model Airplane News April 1938 3Petersen Berthold others 25 Years Mod ellflug im Deutscher Aero Club 1975 4Eichhorn M Neue Bestimmungen uber die Fernsteurung von Flugmodellen Modellflug Vol 2 1937 No 5 p 150 5Alexander Franz Modellfiug magazine Vol 1 1936 No 2 5Note Official permission Modellflug magazine Germany obtained Ver lag ES Mittler & Sohn Munich letter December 3 1985 7Lippitsch Alfred Modellflug Vol 1 1936 No 3 ALubke Technik und Mensch im Jahre 2000 Verlag Kosel Munich 1927 9Flettner Anton Story Rotor pubi FO Willhofft New York NY original book Mein Weg zum Rotor publ Koehier 1926 Amelang Leipzig 1926 15Weber Rudolf Strahien lenken em Boot Das Neue Universum Vol 53 1933 CL Aerobatics/Fancher Continued page 62 head gasket found RC version Otherwise two engines identical 81 ounces muffler 4OFP lightest engine come along years Its comparable old McCoy 35 K&B Tor pedo 35 Fifties realize comparison dates OS quality among best industry durability should quite good lapped piston means no ring gaps seals worry about FP Schnuerle-ported engine means easy starting power other porting configurations Unfortunately past also meant nearly uncontrollable tendency surgeespecially outside maneuvers FP has extremely mild port timing aod does have tendency break just dont want Now what to make engine run well February 1 987 1 65 L FOR SPORT FLYING AND COMPETITION rol Line Handle SAN ESS SEE CARE S S TEST BRASS C AMP FORHTechDesign CAB E AD US MEN H MPAC ComfortableCompact OR- Engineered 1%OHS RENG HLong Life ATAUM NUMA DY iple Line Spacing BETTER Sensitivity Control HOBBY Dealer Inquiries Invited SHOPS-nhtactured hy Sagan Industries Inc 31-U 35th St LIC NY 11106 begin throw away stock muffler Besides being heavy seems no way get run well Theres too much back pressure opening up exhaust hole turns thing turned pipe about two laps engine comes away go 90-mph Stunt flight Hal deBolt would have loved itshades Stuntwagon Instead stock muffler use same SST muffler use ST 60 16-20 holes open Note Ted last refers practice installing short 4-40 bolts small outlet holes SST-style muffler vary amount back pressure Unlike FSR series engines FP doesnt like much back pressure install SST muffler just run 6-32 tap through muffler-attachment holes crankcase egg out mounting holes muffler slightly Note SST muffler Don refers available SST Products 28746 Westfield Livonia MI 48150 FP comes two head gaskets installed seems optimum third gasket results power loss noticeable benefit using gasket makes engine run rough break excessively during maneuvers 'Like Stunt engines FP loves Northwest-blend Stunt fuel 10% nitro methane 25% castor oil 65% methanol alco hol runs better fuel synthetic castor/ynthetic blends will last longer owners manual suggests using OS 2SFP venturi necessary smooth out en gine run Frankly quite difficult notice change run smoothness power defi nitely less using set-up Jack flying part ner Jack Pitcher started using 25-size venturi because plane originally built 35 just four-ounce fuel tank Thats reason consider using small venturi because larger ventuns definitely provide power Power FPs weak spot Weak think terms FSR series 40 Its like very strong 35 should perform quite well Noblers Chipmunks Cobras like weighing around 40-45 ounces Jacks Twister Paul Walkers Cobra fly quite well wind FP 40s engine light small enough fit nicely aircraft Just put five-ounce uniflow-vented tank Taffinder makes $595 mount 105 11 x 6 prop youre likely quite pleased result final note needle valve assembly traditional OS design finer threads Its perfectly acceptable installing Kustom Kraftsmanship universal needle valve assembly good idea because gives very fine adjustYou will amazed performance gained using simple inexpen sive improvement FREE MOVEMENT450 STRONG AND LIGHTWEIGHT COMPLETELY FUELPROOF COMPATABLE WITH ALL IRON-ON MATERIALS COMES IN 3 FT LENGTHS SMALL 118 ORPRiCE 3 ft $250 LARGE 114 EASY TO INSTALL 42 3 Send Free Info fine products FOURMOST PRODUCTS 4040 24th Avenue Forest Grove OR 97116 cur //4 DEEP sur ALLWG i/f FLEL LEAGrH DE r/IE MAGSO S18FACE5 ASrALL H#SOE USE srRAjeqr FF4 70 MAKE 5M4LL HOLE EVERy MCI OR SD DRIR CYAM2NDWLA7S GLLE IN IFOLEF CARELAR1 AC7FLW I#LL CANNY GLUE AILSi5T EA77E JOIST FOR ADDIT/OAAL SELVRITY IVSEPr SMALL P14 EVERY FEW IAICHES cur OFF FLUSH FiLL AND SAND AS ACEDED FOR FINISNAIIG QUAY BARBER MODELS v1r4 SHOESTRINGd S4I-K1T $11995 KIT$15495 Faick Rivet ~jSEMIKIT $11995 KIT$15495 EPOXY/GLASS/FOAH/BALSA CONSTRUCTION WITH DRAWINGS AND DATA FOR FORMULA 12D PYLON SPORT OR STANDOFF SCALE FULL OR S4IKITSCosmic @5 10 lbs w5ight Wind 790 sq wing ares SLMI-KIT $10995 60 2 stroke 12 4 stroke KIT $14495 skit prices plus shipping scredit Cards welcome o residents add 6 Z 72 27106 Butternut RidgeNorth Olmated Ohio 44070 ment choose youll have drill out case venturis slightly accept KK assembly No big deal just remember put tissue case before drill keep metal par ticles out engine Thanks Don Im sure lot readers will take advantage investigations Heres couple quick thought-provokers Im compiling statistics top 20 ships last years Nats Theyll published soon Fifteen Stunters powered 60s 14 Supertigres Merco two ST 46s two OS 45s 05 35 Does mean Stunt becoming one-engine event need 60 compete dont think nor number other competitive fliers Stay tuned Youll love top 20 finishers three heaviest wing loadings ounces weight per square foot wing area finished following order Bob Whitelys Laser heaviest 142 oz/sq ft finished second Bob Barons El Jay next heaviest 139 oz/sq ft finished third place Citation V next heaviest 129 oz/sq ft finished first place Windy Urtnowskis Relentless slightly lighter 128 oz Historically ideal wing loading roughly 11 oz/sq ft has advocated almost everyone including article Exci tation Reno Special Retaliation just over 9 05/sq ft mediocre stayed closet Paul Walker won 84 Nats Bad News wing loading about 13 Fancher speaking heresy heavy better light Good question isnt Opinions follow What say arent surprised Ted Fancher 158 Flying Cloud Isle Foster City CA 94404 CL Scale/Boss Continued page 63 enjoyed column glad see dont have national contender get models picture CL Scale column would like thank Bill complimentary remark same time take opportunity comment last thought has always objective colum nist use photos ideas whether beginner expert problem basically same columnists dont always get great amount input readers usually comes advanced Continued page 168 166 Model Aviation Still Using bid Fashioned Viling Hinges *~s pPL will gain control efficiency by eliminating gap between moveable stationary control surfaces GAPLESS HINGE SLOTTER Simplifies installation Gapess Hinges hMakes SlOtS 4 Sizes Balsa 5-A-S CE $250