Radio Control Sport Aerobatics Ron Van Putte MY MAILBOX contained letter re minded old news still news someone hasnt heard before letter Robert Krieger Buffalo IA wrote Look ing over Model Aviation December 1980 issue got stuck statistics column article 1980 Nats statistics refers matrices facts about top 10 finishers class RVP forty listed 35% used OS engines 27% Rossi 20% Supertigrewhy What about engines people like first year RC Im addicted naturally Im wondering good fliers using particular engines Also Tiporare Curare Phoenix class aircraft stood out favoritesany opinion Several times during six years Ive writing column subjects aircraft engine choices competition have come up However lot modelers never read columnsfor various reasons also probably few forgot what written before let tackle subject time real problem answering questions about best choice airplanes engines answer correct answer depends individual wouldnt expect best airplane engine combination world-class flier would same beginner Pattern competition Granted two examples extremes point proper choice airplane engine functions fliers level competition best way put things perspective decide what flier really needs order compete successfully class Youll sur prised determine just what needed serious examination facts made has tendency go out buy what big guys have However indiscrimi nately waste time money Most Pattern fliers Master-class fliers examine distribution fliers class will see populous class Novice Advanced- Master-class fliers usually about So fliers compete about far Master class can get Pre-Novice growing class although number fliers class will never equal Novice proper airplane engine selection important Its really difficult pick airplane engine thought kept mindwhat need level competition airplanes Pre-Novice Novice classes have very little need vertical performance As far vertical performance concerned demanding maneuver patterns Immelmann Turn airplane/engine combination capable performing satisfac tory Immelmann Turn will able perform Stall Turn both looping maneuvers remaining maneuvers Pre-Novice Novice patterns ease What really needed Pre-Novice Novice classes airplane rolls well inverted upright engine has sufficient power get airplane top Immelmann Turn enough speed clean roll upright flight lots airplanes engines will meet requirements best news expensive either course Tiporare retracts piped Rossi 60 will job needs kill fly sledgehammer Dirty Birdy fixed gear muffled Fox Eagle will just well lot less cost Lets face facts put retracts tuned pipe airplane will need fuel very potent engine haul extra weight top Immelmann Turn needs extra hassle retracts tuned pipes cause Immelmann Turn other Pre-Novice Novice pattern ma neuvers can done just well much cheaper options Only Master pattern re quires piped potent engine very competi tive airplane would also nice have tuned pipe Expert class well its mandatory compete Expert class Phoenix 8 powered Supertigre G60 Bluehead/Macs muffler combination time need power during maneuvers like Figure M Top Hatand needle valve off peak setting Theres plenty power maneuvers because airplane light 7 lb 13 oz Ive care fully tested propellers find works best Zinger 11-7 take time look around ask Novice Pattern fliers may ready forthe hassle involved installing tuned pipe likethis simpler setup preferable eventtext has information MIII Roller manuraciurer tne porare mas querades Pattern flier superior air plane hasnt made him champion kit sales have him laughing waytothe bankl Photo Bill Elliott 42 Model Aviation LIOOs Joe Uridi pay Van rutte say likes Uirty Kirdy Fattern airplane tor Novices Nd Ron remembers beaten times Novice Advanced classes Ron has much say subject column advice local experts shouldnt have trouble finding good combination kind flying lot very good airplane engine combinations Pre-Novice Novice classes will make flier competi tive class expenditure unnecessary money object search good combination determine will perform well enough pilot doesnt have attempt overcome basic faults airplane engine performing pattern pilot should pick airplane engine weak link airplane/engine/pilot combi nation pilot can improve airplane engine probably cannot Good luck selection combination thats right may such good job can afford two instead Think about itadd up few figures youll see its possible course no matter good ajob picking right combination youll still have practice have started practice again now cold weather northwest Flordia over Ill get no sympathy guys up North dont like fly RC temperature below 500 has nothing age because Ive never like cold weatherthats live northwest Florida though born upstate New York work Eglin AFB largest Air Force base United States Because big two major flight test areas country Edwards AFB California being other Eglins 720 square miles test areas used different kinds tests involving munitions munition-related items Conse quently RC fliers work government industry visit plan conduct tests Last week Don Lowe make plans remotely-piloted-vehicle test program will start almost same time see print Don will during April May Im looking forward going contests him again did years ago stationed Wright-Patterson AFB Dayton OH Don several discus sions about what does get ready Pattern competition knew would interest first thing Don does make sure has true airplane no warps right amount wing dihedral has often sawed slits bottom wings remove miniscule warp has cut wing two revise dihedral sure airplane right can concentrate getting himself ready first met Don almost 20 years ago good flier never really practiced urging of us including wife Clara finally began practice seriously about 12 years ago changed good flier great Now Don can win against anyone did Continued page 118 THE THE CENTURY. AND THIS Hidden behind prop inside spinner lies innovative spinner locking device yet achieved beautiful piece nose cone fits over back plate positively locked sliding hidden locking ring behind prop inside spinner small screwdriver nose cone etlorttessly pulls off disengaged put back equal ease seconds DEFINITELY THE EASIEST TO USE AND CLEANEST LOOKING SPINNER NOW AVAILABLE NO BOLTS SCREWS SLOTS TABS OR VISIBLE BACKPLATES TO DETRACT FROM ITS APPEARANCE NO MORE PARTING LINES TO COLLECT DIRT L EASY ON.EASY OFF NO MORE HURTING PALMS OR DAMAGED AIRPLANES FROM TRYING TO SLAP THAT OTHER SPINNER ON 1/420 X 2 NYLON WING BOLTS strong black convenienceoutside mindhex head wilt fit glo-plugfprop nut wrench inside socket made fit 3/16 allen wrench Both methods insure safe non-slip way secure loosen wing bolts 4 FOR CAT NO 142$100 @7 SIZES.1-1t2 1-3f4 2 2-f t4 2-1t2 2-3t4S PRAcTtCALLY UNBREAKABLE--MOLDED AND 3 DtAMETER FROM SPAcE-AGE POLYCARBONATE NO DRItLING- MADE TO FtT 3t5 SHAFT TESTED TO 30000 RPM 00.L Pft07mm AND sf16 SHAFTS TtGHT-WORKS PERFECTLY WtTH ELECTRIC WtTH 4 ADAPTER RtNGS TO FIT 6mm 1t4@4 LOCKING LUGS HOLD THE SPtNNER ON 4 COLORS MATCHED TO MONOKOTE REDSTARTERS WHITE BLACKANO YELLOWPRICES 250400 DU-BRO PRODUCTS INCORPORATED 480 Bonner Road Wauconda Illinois 60084 USA July 1981 43 sophisticated Combination like Phoenix 8 retracts tuned pipe neitherdesirable nor necessary Novice Pattern fliers should keep things simple until demands pattern-class make expensive airplane combinations necessary 1/16 THREADED BALL LINK 4 piece ithreaded ball link set fits perfectly servo arm holes belicranks nylon horns throt tIe arms Strong easy hook up No 190 Just bolt onl 85 THE RICK STICK SUPREME SPORT TRAINER FULLY AEROBATIC RICKS R/C MODELS IN 81 irs INTRODUCING THE WEEKENDER FLITE BOX SIZE 124 x 12% x 18 PLYWOOD SANDED READY FOR PRIMER SEALER HARDWARE AND 15 DRAWER CABINET INCLUDED 95 25 40 95 Pro-Cut Kt Hardware Landing Gear Full Length Wood md Pre-Built Ready Fine Sand & Cover Full Length Balsa Wood & Spruce Spars Hinged Surfaces Hardware Halico Gear Nylon Bolts Tapped Bolt Gear & Wing SPACE FOR 15 Drawer Cabinet 1-Gal Fuel Battery Fuel Pump Power Panel Prop Bin Tool Tray Electric Starter Cleaner Towels No Other Like addition AMA Safety Code proposed item concerns flying high ways whether near flying fieldsor crosscountry flights As stadium flying re quirements proposal considers condi dons provide safe operation Two factors primarily involved minimum altitude crossing over highways other concerns flying off side highways rather over expect also AMAs new Safety Advisory Committee will involved review ing making recommendations Execu tive Council concerning proposal Before leave month cant resist commenting Pauls remark .. done good job covering some minor problems safety cut fingers etc. According mail finger lacerations far frequent injuries sustained modelers Whirling propellers cause injuries no way can think ot make apropellerthatwill its job cut things like fingers inserted its arc its extreme case cut finger becomes amputation doubt nine-fingered modelers believe minor problem John Preston 7012 Elvira Ct Falls Church VA 22042 RC Aerobatics/Van Putte Continued page 43 Orlando last Tangerine contest often make jokes about some older Pattern pilots Don claims flying better ever reason former Pattern greats over hill because lose competitive drive skills Don still has both Don practices doing whole pattern flight time does maneuver once brand new him really blows flight hell go back try better Practice important him claims having skilled observer watch flights critique carries equal importance told fellow Master class fliers help other great deal telling pilot exactly what airplane doing times pilot cannot tell wings level vertical observer can can judges Don tries practice together another pilot can take turns criticizing other says easy develop bad habit performing particular maneuver realizing has also found simple acquire feeling smug satisfaction maneuver realizing has some basic faults like non-round loops etc Now Ive got get Don practice hes down Guess will get good Out deal Ron Van Putte 111 Sleepy Oaks Rd Fort Walton Beach FL 32548 RC Scale/Wischers Continued page 45 flaps around periphery cowls used large radial engines maximum cooling model engine should kept open takeoff position full-scale practice closed progressively maintain desired cylinder head temperatures model engine cooling flaps could remain open entire flight although full-scale use closed until after landing maintain optimum head temperatures during reduced-power landing approach opened taxiing scale modeling small concession make interest engine preservation Engine cooling problems Scale models seem us constantly contest Scale rally has its share planes balky engines prone quit inopportune moments Scale modelers good fortune glow engines forgiving because nature sometimes get away things could devasting An engine will run spite being tortured heat overly-lean needle valve setting Too lean setting causes overheat ing itself combined tight cowl can shorten flight steal bit engines expected life Repetition leads calam ity Good engine men among modelers often found CL Speed RC Pylon events fellows really know treat engine starting break-in using proper glow plug best cooling methods important cor rect fuel needle settings Scale modelers tend use standard fuels plugs often reluc tant change needle valve seeting required change weather humidity altitude have seen number Scale models no convenient means changing needle setting disastrous condition really pays check setting manually pointing nose upward few seconds before takeoff make certain engine will starve climbing flying away home field contest rally altitude humidity may affect engine performance mixture control needs accessible means hole cowl adjustment Finally AMA rule book under Unified Continued page 122 118 Model Aviation Send SASE Free Brochure 0 Dealer Inquiries Invited 0 Florida Residents Add 4% Sales Tax ccKoRhta3ooHandmg RICKS RIC MODELS INC & Slapping 1730 DREW ST CLEARWATER FL 33515 INDIAN CITY RAWIO CONTROL CLUB PRESENTS GREATER MICHIGAN MODELERS SHOW & EXPO ill PLANES SCARS MANIJFACTURERSSTATIC DISPLAYS SIINP SHOP October 234 1981 West Eight Mile Artillery Armory Oak 1ark Michigan GIANT SCALE II GEAR ER SCALE 3P00 BY POPULAR OBMANO SPANDAU & VICKERS PLASTIC GUN KITS STANDARD PILOT COMPLETE WITH GOGGLES GNOME ROTARY ENGINE CYLINDERS VINTAGE GOLDEN AGE & BALLOON TIES WHTELS Send $1 for Illustrated Catalog WILLIAMS BROTH ERSlnc tNItuw Dept MA 181 Pawnee Street Marcas Calif92069
Edition: Model Aviation - 1981/07
Page Numbers: 42, 43, 118
Radio Control Sport Aerobatics Ron Van Putte MY MAILBOX contained letter re minded old news still news someone hasnt heard before letter Robert Krieger Buffalo IA wrote Look ing over Model Aviation December 1980 issue got stuck statistics column article 1980 Nats statistics refers matrices facts about top 10 finishers class RVP forty listed 35% used OS engines 27% Rossi 20% Supertigrewhy What about engines people like first year RC Im addicted naturally Im wondering good fliers using particular engines Also Tiporare Curare Phoenix class aircraft stood out favoritesany opinion Several times during six years Ive writing column subjects aircraft engine choices competition have come up However lot modelers never read columnsfor various reasons also probably few forgot what written before let tackle subject time real problem answering questions about best choice airplanes engines answer correct answer depends individual wouldnt expect best airplane engine combination world-class flier would same beginner Pattern competition Granted two examples extremes point proper choice airplane engine functions fliers level competition best way put things perspective decide what flier really needs order compete successfully class Youll sur prised determine just what needed serious examination facts made has tendency go out buy what big guys have However indiscrimi nately waste time money Most Pattern fliers Master-class fliers examine distribution fliers class will see populous class Novice Advanced- Master-class fliers usually about So fliers compete about far Master class can get Pre-Novice growing class although number fliers class will never equal Novice proper airplane engine selection important Its really difficult pick airplane engine thought kept mindwhat need level competition airplanes Pre-Novice Novice classes have very little need vertical performance As far vertical performance concerned demanding maneuver patterns Immelmann Turn airplane/engine combination capable performing satisfac tory Immelmann Turn will able perform Stall Turn both looping maneuvers remaining maneuvers Pre-Novice Novice patterns ease What really needed Pre-Novice Novice classes airplane rolls well inverted upright engine has sufficient power get airplane top Immelmann Turn enough speed clean roll upright flight lots airplanes engines will meet requirements best news expensive either course Tiporare retracts piped Rossi 60 will job needs kill fly sledgehammer Dirty Birdy fixed gear muffled Fox Eagle will just well lot less cost Lets face facts put retracts tuned pipe airplane will need fuel very potent engine haul extra weight top Immelmann Turn needs extra hassle retracts tuned pipes cause Immelmann Turn other Pre-Novice Novice pattern ma neuvers can done just well much cheaper options Only Master pattern re quires piped potent engine very competi tive airplane would also nice have tuned pipe Expert class well its mandatory compete Expert class Phoenix 8 powered Supertigre G60 Bluehead/Macs muffler combination time need power during maneuvers like Figure M Top Hatand needle valve off peak setting Theres plenty power maneuvers because airplane light 7 lb 13 oz Ive care fully tested propellers find works best Zinger 11-7 take time look around ask Novice Pattern fliers may ready forthe hassle involved installing tuned pipe likethis simpler setup preferable eventtext has information MIII Roller manuraciurer tne porare mas querades Pattern flier superior air plane hasnt made him champion kit sales have him laughing waytothe bankl Photo Bill Elliott 42 Model Aviation LIOOs Joe Uridi pay Van rutte say likes Uirty Kirdy Fattern airplane tor Novices Nd Ron remembers beaten times Novice Advanced classes Ron has much say subject column advice local experts shouldnt have trouble finding good combination kind flying lot very good airplane engine combinations Pre-Novice Novice classes will make flier competi tive class expenditure unnecessary money object search good combination determine will perform well enough pilot doesnt have attempt overcome basic faults airplane engine performing pattern pilot should pick airplane engine weak link airplane/engine/pilot combi nation pilot can improve airplane engine probably cannot Good luck selection combination thats right may such good job can afford two instead Think about itadd up few figures youll see its possible course no matter good ajob picking right combination youll still have practice have started practice again now cold weather northwest Flordia over Ill get no sympathy guys up North dont like fly RC temperature below 500 has nothing age because Ive never like cold weatherthats live northwest Florida though born upstate New York work Eglin AFB largest Air Force base United States Because big two major flight test areas country Edwards AFB California being other Eglins 720 square miles test areas used different kinds tests involving munitions munition-related items Conse quently RC fliers work government industry visit plan conduct tests Last week Don Lowe make plans remotely-piloted-vehicle test program will start almost same time see print Don will during April May Im looking forward going contests him again did years ago stationed Wright-Patterson AFB Dayton OH Don several discus sions about what does get ready Pattern competition knew would interest first thing Don does make sure has true airplane no warps right amount wing dihedral has often sawed slits bottom wings remove miniscule warp has cut wing two revise dihedral sure airplane right can concentrate getting himself ready first met Don almost 20 years ago good flier never really practiced urging of us including wife Clara finally began practice seriously about 12 years ago changed good flier great Now Don can win against anyone did Continued page 118 THE THE CENTURY. AND THIS Hidden behind prop inside spinner lies innovative spinner locking device yet achieved beautiful piece nose cone fits over back plate positively locked sliding hidden locking ring behind prop inside spinner small screwdriver nose cone etlorttessly pulls off disengaged put back equal ease seconds DEFINITELY THE EASIEST TO USE AND CLEANEST LOOKING SPINNER NOW AVAILABLE NO BOLTS SCREWS SLOTS TABS OR VISIBLE BACKPLATES TO DETRACT FROM ITS APPEARANCE NO MORE PARTING LINES TO COLLECT DIRT L EASY ON.EASY OFF NO MORE HURTING PALMS OR DAMAGED AIRPLANES FROM TRYING TO SLAP THAT OTHER SPINNER ON 1/420 X 2 NYLON WING BOLTS strong black convenienceoutside mindhex head wilt fit glo-plugfprop nut wrench inside socket made fit 3/16 allen wrench Both methods insure safe non-slip way secure loosen wing bolts 4 FOR CAT NO 142$100 @7 SIZES.1-1t2 1-3f4 2 2-f t4 2-1t2 2-3t4S PRAcTtCALLY UNBREAKABLE--MOLDED AND 3 DtAMETER FROM SPAcE-AGE POLYCARBONATE NO DRItLING- MADE TO FtT 3t5 SHAFT TESTED TO 30000 RPM 00.L Pft07mm AND sf16 SHAFTS TtGHT-WORKS PERFECTLY WtTH ELECTRIC WtTH 4 ADAPTER RtNGS TO FIT 6mm 1t4@4 LOCKING LUGS HOLD THE SPtNNER ON 4 COLORS MATCHED TO MONOKOTE REDSTARTERS WHITE BLACKANO YELLOWPRICES 250400 DU-BRO PRODUCTS INCORPORATED 480 Bonner Road Wauconda Illinois 60084 USA July 1981 43 sophisticated Combination like Phoenix 8 retracts tuned pipe neitherdesirable nor necessary Novice Pattern fliers should keep things simple until demands pattern-class make expensive airplane combinations necessary 1/16 THREADED BALL LINK 4 piece ithreaded ball link set fits perfectly servo arm holes belicranks nylon horns throt tIe arms Strong easy hook up No 190 Just bolt onl 85 THE RICK STICK SUPREME SPORT TRAINER FULLY AEROBATIC RICKS R/C MODELS IN 81 irs INTRODUCING THE WEEKENDER FLITE BOX SIZE 124 x 12% x 18 PLYWOOD SANDED READY FOR PRIMER SEALER HARDWARE AND 15 DRAWER CABINET INCLUDED 95 25 40 95 Pro-Cut Kt Hardware Landing Gear Full Length Wood md Pre-Built Ready Fine Sand & Cover Full Length Balsa Wood & Spruce Spars Hinged Surfaces Hardware Halico Gear Nylon Bolts Tapped Bolt Gear & Wing SPACE FOR 15 Drawer Cabinet 1-Gal Fuel Battery Fuel Pump Power Panel Prop Bin Tool Tray Electric Starter Cleaner Towels No Other Like addition AMA Safety Code proposed item concerns flying high ways whether near flying fieldsor crosscountry flights As stadium flying re quirements proposal considers condi dons provide safe operation Two factors primarily involved minimum altitude crossing over highways other concerns flying off side highways rather over expect also AMAs new Safety Advisory Committee will involved review ing making recommendations Execu tive Council concerning proposal Before leave month cant resist commenting Pauls remark .. done good job covering some minor problems safety cut fingers etc. According mail finger lacerations far frequent injuries sustained modelers Whirling propellers cause injuries no way can think ot make apropellerthatwill its job cut things like fingers inserted its arc its extreme case cut finger becomes amputation doubt nine-fingered modelers believe minor problem John Preston 7012 Elvira Ct Falls Church VA 22042 RC Aerobatics/Van Putte Continued page 43 Orlando last Tangerine contest often make jokes about some older Pattern pilots Don claims flying better ever reason former Pattern greats over hill because lose competitive drive skills Don still has both Don practices doing whole pattern flight time does maneuver once brand new him really blows flight hell go back try better Practice important him claims having skilled observer watch flights critique carries equal importance told fellow Master class fliers help other great deal telling pilot exactly what airplane doing times pilot cannot tell wings level vertical observer can can judges Don tries practice together another pilot can take turns criticizing other says easy develop bad habit performing particular maneuver realizing has also found simple acquire feeling smug satisfaction maneuver realizing has some basic faults like non-round loops etc Now Ive got get Don practice hes down Guess will get good Out deal Ron Van Putte 111 Sleepy Oaks Rd Fort Walton Beach FL 32548 RC Scale/Wischers Continued page 45 flaps around periphery cowls used large radial engines maximum cooling model engine should kept open takeoff position full-scale practice closed progressively maintain desired cylinder head temperatures model engine cooling flaps could remain open entire flight although full-scale use closed until after landing maintain optimum head temperatures during reduced-power landing approach opened taxiing scale modeling small concession make interest engine preservation Engine cooling problems Scale models seem us constantly contest Scale rally has its share planes balky engines prone quit inopportune moments Scale modelers good fortune glow engines forgiving because nature sometimes get away things could devasting An engine will run spite being tortured heat overly-lean needle valve setting Too lean setting causes overheat ing itself combined tight cowl can shorten flight steal bit engines expected life Repetition leads calam ity Good engine men among modelers often found CL Speed RC Pylon events fellows really know treat engine starting break-in using proper glow plug best cooling methods important cor rect fuel needle settings Scale modelers tend use standard fuels plugs often reluc tant change needle valve seeting required change weather humidity altitude have seen number Scale models no convenient means changing needle setting disastrous condition really pays check setting manually pointing nose upward few seconds before takeoff make certain engine will starve climbing flying away home field contest rally altitude humidity may affect engine performance mixture control needs accessible means hole cowl adjustment Finally AMA rule book under Unified Continued page 122 118 Model Aviation Send SASE Free Brochure 0 Dealer Inquiries Invited 0 Florida Residents Add 4% Sales Tax ccKoRhta3ooHandmg RICKS RIC MODELS INC & Slapping 1730 DREW ST CLEARWATER FL 33515 INDIAN CITY RAWIO CONTROL CLUB PRESENTS GREATER MICHIGAN MODELERS SHOW & EXPO ill PLANES SCARS MANIJFACTURERSSTATIC DISPLAYS SIINP SHOP October 234 1981 West Eight Mile Artillery Armory Oak 1ark Michigan GIANT SCALE II GEAR ER SCALE 3P00 BY POPULAR OBMANO SPANDAU & VICKERS PLASTIC GUN KITS STANDARD PILOT COMPLETE WITH GOGGLES GNOME ROTARY ENGINE CYLINDERS VINTAGE GOLDEN AGE & BALLOON TIES WHTELS Send $1 for Illustrated Catalog WILLIAMS BROTH ERSlnc tNItuw Dept MA 181 Pawnee Street Marcas Calif92069
Edition: Model Aviation - 1981/07
Page Numbers: 42, 43, 118
Radio Control Sport Aerobatics Ron Van Putte MY MAILBOX contained letter re minded old news still news someone hasnt heard before letter Robert Krieger Buffalo IA wrote Look ing over Model Aviation December 1980 issue got stuck statistics column article 1980 Nats statistics refers matrices facts about top 10 finishers class RVP forty listed 35% used OS engines 27% Rossi 20% Supertigrewhy What about engines people like first year RC Im addicted naturally Im wondering good fliers using particular engines Also Tiporare Curare Phoenix class aircraft stood out favoritesany opinion Several times during six years Ive writing column subjects aircraft engine choices competition have come up However lot modelers never read columnsfor various reasons also probably few forgot what written before let tackle subject time real problem answering questions about best choice airplanes engines answer correct answer depends individual wouldnt expect best airplane engine combination world-class flier would same beginner Pattern competition Granted two examples extremes point proper choice airplane engine functions fliers level competition best way put things perspective decide what flier really needs order compete successfully class Youll sur prised determine just what needed serious examination facts made has tendency go out buy what big guys have However indiscrimi nately waste time money Most Pattern fliers Master-class fliers examine distribution fliers class will see populous class Novice Advanced- Master-class fliers usually about So fliers compete about far Master class can get Pre-Novice growing class although number fliers class will never equal Novice proper airplane engine selection important Its really difficult pick airplane engine thought kept mindwhat need level competition airplanes Pre-Novice Novice classes have very little need vertical performance As far vertical performance concerned demanding maneuver patterns Immelmann Turn airplane/engine combination capable performing satisfac tory Immelmann Turn will able perform Stall Turn both looping maneuvers remaining maneuvers Pre-Novice Novice patterns ease What really needed Pre-Novice Novice classes airplane rolls well inverted upright engine has sufficient power get airplane top Immelmann Turn enough speed clean roll upright flight lots airplanes engines will meet requirements best news expensive either course Tiporare retracts piped Rossi 60 will job needs kill fly sledgehammer Dirty Birdy fixed gear muffled Fox Eagle will just well lot less cost Lets face facts put retracts tuned pipe airplane will need fuel very potent engine haul extra weight top Immelmann Turn needs extra hassle retracts tuned pipes cause Immelmann Turn other Pre-Novice Novice pattern ma neuvers can done just well much cheaper options Only Master pattern re quires piped potent engine very competi tive airplane would also nice have tuned pipe Expert class well its mandatory compete Expert class Phoenix 8 powered Supertigre G60 Bluehead/Macs muffler combination time need power during maneuvers like Figure M Top Hatand needle valve off peak setting Theres plenty power maneuvers because airplane light 7 lb 13 oz Ive care fully tested propellers find works best Zinger 11-7 take time look around ask Novice Pattern fliers may ready forthe hassle involved installing tuned pipe likethis simpler setup preferable eventtext has information MIII Roller manuraciurer tne porare mas querades Pattern flier superior air plane hasnt made him champion kit sales have him laughing waytothe bankl Photo Bill Elliott 42 Model Aviation LIOOs Joe Uridi pay Van rutte say likes Uirty Kirdy Fattern airplane tor Novices Nd Ron remembers beaten times Novice Advanced classes Ron has much say subject column advice local experts shouldnt have trouble finding good combination kind flying lot very good airplane engine combinations Pre-Novice Novice classes will make flier competi tive class expenditure unnecessary money object search good combination determine will perform well enough pilot doesnt have attempt overcome basic faults airplane engine performing pattern pilot should pick airplane engine weak link airplane/engine/pilot combi nation pilot can improve airplane engine probably cannot Good luck selection combination thats right may such good job can afford two instead Think about itadd up few figures youll see its possible course no matter good ajob picking right combination youll still have practice have started practice again now cold weather northwest Flordia over Ill get no sympathy guys up North dont like fly RC temperature below 500 has nothing age because Ive never like cold weatherthats live northwest Florida though born upstate New York work Eglin AFB largest Air Force base United States Because big two major flight test areas country Edwards AFB California being other Eglins 720 square miles test areas used different kinds tests involving munitions munition-related items Conse quently RC fliers work government industry visit plan conduct tests Last week Don Lowe make plans remotely-piloted-vehicle test program will start almost same time see print Don will during April May Im looking forward going contests him again did years ago stationed Wright-Patterson AFB Dayton OH Don several discus sions about what does get ready Pattern competition knew would interest first thing Don does make sure has true airplane no warps right amount wing dihedral has often sawed slits bottom wings remove miniscule warp has cut wing two revise dihedral sure airplane right can concentrate getting himself ready first met Don almost 20 years ago good flier never really practiced urging of us including wife Clara finally began practice seriously about 12 years ago changed good flier great Now Don can win against anyone did Continued page 118 THE THE CENTURY. AND THIS Hidden behind prop inside spinner lies innovative spinner locking device yet achieved beautiful piece nose cone fits over back plate positively locked sliding hidden locking ring behind prop inside spinner small screwdriver nose cone etlorttessly pulls off disengaged put back equal ease seconds DEFINITELY THE EASIEST TO USE AND CLEANEST LOOKING SPINNER NOW AVAILABLE NO BOLTS SCREWS SLOTS TABS OR VISIBLE BACKPLATES TO DETRACT FROM ITS APPEARANCE NO MORE PARTING LINES TO COLLECT DIRT L EASY ON.EASY OFF NO MORE HURTING PALMS OR DAMAGED AIRPLANES FROM TRYING TO SLAP THAT OTHER SPINNER ON 1/420 X 2 NYLON WING BOLTS strong black convenienceoutside mindhex head wilt fit glo-plugfprop nut wrench inside socket made fit 3/16 allen wrench Both methods insure safe non-slip way secure loosen wing bolts 4 FOR CAT NO 142$100 @7 SIZES.1-1t2 1-3f4 2 2-f t4 2-1t2 2-3t4S PRAcTtCALLY UNBREAKABLE--MOLDED AND 3 DtAMETER FROM SPAcE-AGE POLYCARBONATE NO DRItLING- MADE TO FtT 3t5 SHAFT TESTED TO 30000 RPM 00.L Pft07mm AND sf16 SHAFTS TtGHT-WORKS PERFECTLY WtTH ELECTRIC WtTH 4 ADAPTER RtNGS TO FIT 6mm 1t4@4 LOCKING LUGS HOLD THE SPtNNER ON 4 COLORS MATCHED TO MONOKOTE REDSTARTERS WHITE BLACKANO YELLOWPRICES 250400 DU-BRO PRODUCTS INCORPORATED 480 Bonner Road Wauconda Illinois 60084 USA July 1981 43 sophisticated Combination like Phoenix 8 retracts tuned pipe neitherdesirable nor necessary Novice Pattern fliers should keep things simple until demands pattern-class make expensive airplane combinations necessary 1/16 THREADED BALL LINK 4 piece ithreaded ball link set fits perfectly servo arm holes belicranks nylon horns throt tIe arms Strong easy hook up No 190 Just bolt onl 85 THE RICK STICK SUPREME SPORT TRAINER FULLY AEROBATIC RICKS R/C MODELS IN 81 irs INTRODUCING THE WEEKENDER FLITE BOX SIZE 124 x 12% x 18 PLYWOOD SANDED READY FOR PRIMER SEALER HARDWARE AND 15 DRAWER CABINET INCLUDED 95 25 40 95 Pro-Cut Kt Hardware Landing Gear Full Length Wood md Pre-Built Ready Fine Sand & Cover Full Length Balsa Wood & Spruce Spars Hinged Surfaces Hardware Halico Gear Nylon Bolts Tapped Bolt Gear & Wing SPACE FOR 15 Drawer Cabinet 1-Gal Fuel Battery Fuel Pump Power Panel Prop Bin Tool Tray Electric Starter Cleaner Towels No Other Like addition AMA Safety Code proposed item concerns flying high ways whether near flying fieldsor crosscountry flights As stadium flying re quirements proposal considers condi dons provide safe operation Two factors primarily involved minimum altitude crossing over highways other concerns flying off side highways rather over expect also AMAs new Safety Advisory Committee will involved review ing making recommendations Execu tive Council concerning proposal Before leave month cant resist commenting Pauls remark .. done good job covering some minor problems safety cut fingers etc. According mail finger lacerations far frequent injuries sustained modelers Whirling propellers cause injuries no way can think ot make apropellerthatwill its job cut things like fingers inserted its arc its extreme case cut finger becomes amputation doubt nine-fingered modelers believe minor problem John Preston 7012 Elvira Ct Falls Church VA 22042 RC Aerobatics/Van Putte Continued page 43 Orlando last Tangerine contest often make jokes about some older Pattern pilots Don claims flying better ever reason former Pattern greats over hill because lose competitive drive skills Don still has both Don practices doing whole pattern flight time does maneuver once brand new him really blows flight hell go back try better Practice important him claims having skilled observer watch flights critique carries equal importance told fellow Master class fliers help other great deal telling pilot exactly what airplane doing times pilot cannot tell wings level vertical observer can can judges Don tries practice together another pilot can take turns criticizing other says easy develop bad habit performing particular maneuver realizing has also found simple acquire feeling smug satisfaction maneuver realizing has some basic faults like non-round loops etc Now Ive got get Don practice hes down Guess will get good Out deal Ron Van Putte 111 Sleepy Oaks Rd Fort Walton Beach FL 32548 RC Scale/Wischers Continued page 45 flaps around periphery cowls used large radial engines maximum cooling model engine should kept open takeoff position full-scale practice closed progressively maintain desired cylinder head temperatures model engine cooling flaps could remain open entire flight although full-scale use closed until after landing maintain optimum head temperatures during reduced-power landing approach opened taxiing scale modeling small concession make interest engine preservation Engine cooling problems Scale models seem us constantly contest Scale rally has its share planes balky engines prone quit inopportune moments Scale modelers good fortune glow engines forgiving because nature sometimes get away things could devasting An engine will run spite being tortured heat overly-lean needle valve setting Too lean setting causes overheat ing itself combined tight cowl can shorten flight steal bit engines expected life Repetition leads calam ity Good engine men among modelers often found CL Speed RC Pylon events fellows really know treat engine starting break-in using proper glow plug best cooling methods important cor rect fuel needle settings Scale modelers tend use standard fuels plugs often reluc tant change needle valve seeting required change weather humidity altitude have seen number Scale models no convenient means changing needle setting disastrous condition really pays check setting manually pointing nose upward few seconds before takeoff make certain engine will starve climbing flying away home field contest rally altitude humidity may affect engine performance mixture control needs accessible means hole cowl adjustment Finally AMA rule book under Unified Continued page 122 118 Model Aviation Send SASE Free Brochure 0 Dealer Inquiries Invited 0 Florida Residents Add 4% Sales Tax ccKoRhta3ooHandmg RICKS RIC MODELS INC & Slapping 1730 DREW ST CLEARWATER FL 33515 INDIAN CITY RAWIO CONTROL CLUB PRESENTS GREATER MICHIGAN MODELERS SHOW & EXPO ill PLANES SCARS MANIJFACTURERSSTATIC DISPLAYS SIINP SHOP October 234 1981 West Eight Mile Artillery Armory Oak 1ark Michigan GIANT SCALE II GEAR ER SCALE 3P00 BY POPULAR OBMANO SPANDAU & VICKERS PLASTIC GUN KITS STANDARD PILOT COMPLETE WITH GOGGLES GNOME ROTARY ENGINE CYLINDERS VINTAGE GOLDEN AGE & BALLOON TIES WHTELS Send $1 for Illustrated Catalog WILLIAMS BROTH ERSlnc tNItuw Dept MA 181 Pawnee Street Marcas Calif92069