GIANT SCALE Bob Beckman AIR Show Team operations following isnt really about Giant Scale think needs said over year now Ive member clubs Air Show Team Virginia Air Show Squadron first asked join team hesitated thought long hard about time getting heavily involved Giant Scale about ready start monthly column Adding another respon sibility especially would commit weekends didnt look like too smart move end obviously decided go ahead has turned out tue better decisions life hasnt lot work fact really appreciated what involved before started probably would have opted out Now know both effort required rewards bottom line positiveand gains show up several different areas First course camaraderie comes participation group effort Ive come know appreciate fellow team members far beyond casual greetings field used prevail satisfaction comes entertainingpeople notjust demonstrating model airplanes using aircraft expertise entertain particularly rewarding audience consists handicapped retarded children several have year Finally very real improvement own skills brought about discipline required air show flying Ive flying RC last 35 years During time skill level has fluctuated depending active what kind flying doing 10 years Ive sport 32 Model Aviation Don Godfrey IMAA president gives famous pep talks Sunday night banquet after Thistledown Flyers IMAA Eastern Regional held Napoleon OH Bob claimsthatthis wasthe best such affair attended longtime fellow polkadot shirt head table Jerry Smith RCMs Heres editor Tom Rausch Napolean OH has Ia-scale aceBee underconstructionnote interesting use foam balsa Bob enjoyed hospitality Toms home over Labor Day weekend Boo couiant resist spreaaing out pieces Higgins CAP 20L kit picture Epoxy/glass shells laid up molds fuselage wings tail surfaces Additional molds positioned followed injection carefully-controlled amounts urethane foam stiffens shells aileron hinge arrangeni Sparrowhawk acn aileron carries four similar hingesone shown also serves control horn 1/s-in aluminum pushrod will go servo mounted wing brass-tube leading edge aileron filled solder help balance surfacereal F9C-2s used lead-filled steel tubes flier reasonably competent really pushing myself being pushed Theres nothing basically wrong its good enough show team work Early year situation came up really brought point home scheduled show fora group handicapped children location local high school football field hadnt sounded too bad talked about got Saturday morning second thoughts What hadnt realized approaches field clear Takeoffs short steep avoid power line landing approaches around goal posts end overflying adjacent baseball field use real short-field operation Ijust wasnt up no doubt plane Sig Kavalier could hack decided Id better helper-only day next week went out day after work practiced short takeoffs landings Now know what alrplane can way small field operations whatlcan wont sit out shows like Im better flier general too Before leave subject want talk about show team managers general manager Chuck Thomas particular has got demanding jobs has ever come down pike Its like being Contest Director other weekend whole fly ing season spending rest time lining up next season s shows Chuck guy has make sure everyone everything should should someone something comes up short Chuck dips own resources physical mental emotional financial plugs gap us team know Chuck job does wouldnt have team Ill bet its same show teams Hey guys have hugged manager lately Dont think oughtta ing Bob some interesting comments Trail interest Giant Scale market followed up letter part reads Starting months Sept80 production run Quadra engines will incorporate new cylinder block External changes 1 elimina tion peak cooling fins above spark plug boss 2 elimination cooling fin flashing along mold separation line 3 mounting screw lands have gusset supports increased strength Continued page 108 HIPERBIPE HIPERBIPE HIPERBIPE HIPERBIPE HIPERBIPE Designed especially Quarterscalers wish fly ultimate aerobatic flying econ omy Quadra Features like Fiberglas Fuselage Cowl Plywood Sheeting Foam Wing Neccessary Hardware complete makes kit fast easy build BASIC KIT DELUXE KIT EXOTIC KIT $13495$17595$22095 asterit 3628 MAINE QUINCY ILLINOIS 62301 PHONE217229-0848 January 1981 33 New Quadras coming IMAA Eastern Regional Fly-in Napoleon Ohio over Labor Day weekend met Bob Cooper new Quadra marketing manager Trail Manufactur Thats Jerry Smith taking picture Bob thought taking Vince Mariani bringing fullscale waco flyby Thistledown Filers field NEW FOURMOST PRODUCTS Fuselage Fixture Th POIJRMOST FUSELAGE FIXTURE designed Aiefo.heIIy uhgs fuoelage structures built strings inesouring eyeballing Simply slide four centering brack eta truck until align firewall tail joint two bulkheads Clamp fuoeloge together lightly rubber baudo structure will straight track eiee pj nonsedotess.spfosof. FOURMOST PRODUCTS Bomb Release flourtasot Bomb Itelcue nism oiwple hobtoright nhst ideul foe fun fly eceota unit tour Muse provided attach spring larch thread connect throttle roddeeseero Coerosion out prohieso unit nnlded spins g stainless Icti UNit WfiCtit~WU 4040 24th Ave Forest Grove OR 97116503 357-2732 GEE BEE RI / ORGANIZED R/C SCALEHeesaset of4ststdy ties hues see 42 Span & For4 peam uf foot fasomie Ss s 11 magesises 35 40 Eng 4 MAG FILES $495 Send 54 96 pIus SI 50 ABUILDERSKiHiuuuo add $5 Shipping mIas TIC R/C PRODUCTS P0 BOX 388-K Rt 1 Box 282 Prospect VA 23901 ER NH 03820 RC Old-Timers/Mathews Continued page 31 Worlds Fair would appear opposite case truly egg preceded chicken thanks Ira interesting historical sidelight Doings Davis Diesel about something youve read years Would believe Bob Davis has lowered prices diesel fuel gallon size has recently repriced downward has also reduced list price conver sion heads Cox units better reflect savings quantity production conversion head has made available OS Max 25 FSR unit should used engines produced last 18 months have improved lowspeed needle valve tougher rod improved motors can identified number 2601 stamped case bottom changes OS 25 FSR brought about spinoff 05 35cc race car units Whatever done seems right currently running 25 diesel conversion 11-7 Rev-Ups runs like clock flying Scale model previously powered 35 glow. seemingly pulls better larger unit fact diesel fuel delivers two three times minutes-per-ounce does glow fuel certainly increases cost effec tiveness should noted gallon-sized fuel no longer suitable use small Cox con versions Also newly available Davis Diesel Box 141 Milford CT 06460 adapter retrofit Perry carb onto Fox 15 BB Are baffled subject largebore diesels ST 35 conversion head must used engines produced within last seven eight years older baffled-piston 35s cannot converted However understand World Engiens has available liner/piston sets can used convert old Tigres Perry ports Grinding off old baffle absolutely will work fuel blown straight out exhaust youve gotta Peny-ported have also advised contrary rumor 35 has discontinued new batch will run through factory sometime 1981 Diesel fuel vs Sullivan tanks have using Sullivan polyethylene fuel tanks diesels several years tubing inside out must changed black rubber Sonic Tronics gas/diesel line Unused fuel never allowed remain tank overnight effort prevent possible softening tank stopper Apparently warning newer tanks applies included tubing rather tank itself have encountered trouble Nitrate vs butyrate last time letter H H Rice Lakewood NJ countrys outstanding antique classic aircraft restorers states tyrate stays soft underneath although surface appears hard will shrink dries unless retarder mixed Ceconite stuck airframe full-sized aircraft nitrate dope fully stuck down Ceconite heat-shrunk point nitrate dope applied stop shrinkage area finished butyrate can use butyrate over nitrate never reverse Mr Rice also advises Airtex Products Fallingston Industrial Park Fallingston PA 19054 stocks nitrate quarts gallons well colored dopes similar materials Nostalgia plans mushrooming interest Nostalgia events designs published kitted tweenJan 1943 andJan 1957 attractingmany have inthe Old-Timer activity Some aware John Pond plans list contains designs era Also plans Air Trails American Modeler avail able Hobby Helpers PO Box 217 Glen ville Station Greenwich CT 06830 Send us photos nostalgia-era models particularly RC assist L&L As write midSeptember numerous readers reporting inability contact L&L Electronics Albuquer que unable learn out business merely relocating will advise soon find out Dee B Mathews 506 South Walnui Greens buig KS 67054 RC Giant Scale/Beckman Continued page 33 4 exhaust port carburetor mounting faces have increased size add strength Overall cylinder block has much cleaner general appearance importantly areas considered weak have now corrected Internal changes 1 bypass ports have increased size deflection angles changed 2 new connecting rod being used 3 new crankshaft being incorporated internal changes add up much 10% increase peak horsepower performance Bob went say order reduce customs problems delays US orders will filled Port Huron MI facility Dario Brisighella will doing Quadra repair factory warranty service US Christen Eagle kit coming Another new acquain tance Napoleon Darrell Higgins Higgins Aero Composites Inc producing Giant Scale CAP 20L using fiberglass urethane foam incidentally impervious gaso line production techniques used both RVs full-scale aircraft Dont confuse fiberglass fuselagefoam core wing con struction Its much sophisticated Ill have say about future columns point already tooling up second offering Christen Eagle size slightly larger -scale Darrell says kit will include ultra-thin vinyl peel-and-stick-on decals full color dupli cating Eagles fantastic color scheme Fiberglass cowls seems place go run Tom Keeling yes Napoleon Since first met him Las Vegas 79 Ive hinting him Im going need cowl Sparrowhawk Toms T&D Fiberglass Specialties puts out cowls kits plans available Giant Scale youre interested whats available send SASE T&D Fiberglass Specialties 30925 Block Garden City MI 48135 Fleet Finch Fan got letter Harold Lake asking source plans 1942 Fleet Finch wants build -scale version Old Rhinebeck could him steer him onto drawings earlier models Fleet biplanes anyone knows drawings Finch let Harold know address RD #3 Mexico NY 13114 Continued page 110 108 Model Aviation Fly-In notices plea will organizing Giant Scale activities 1981 Please let know details soon possible have chance let other people know past season lot Big Bird Bashes didnt hear about until too late Remember need three four months lead time get something column Since fly-ins arent included AMA calender various big bird columnists best bet getting word out Plan reviews last column gave list plans hand waiting reviewed couple add list Nick Ziroli sent set Corsair plans Doc Godfrey caine through Super Stearman plans Don says has put out 800 sets far Next month Ill review Wendell Hostetlers Liberty Sport Bucker Jungmeister month Ill try two plans order received Flash November issue just got out writing mentioned need larger stronger better hardware Ijust got off phone Darrell Higgins informs company starting production line tumbuckles devises ball joints Screw size 4-40 materials aluminum steel promised samples literature ASAP luck Ill able tell about next month Bob Beckman 8248 Holly Grove Court Manassas VA 22110 Phone 703 369-2432 Catalog 8150 7L@ 98 RUBBER POWER KITS plus Gliders C/L RIC Accessories Books MAJESTIC MODELS 3273 West 129th Street Cleveland Ohio 44111 Avro C6A/Scott Continued page 37 izer resulting assembly glued its slot fuselage Inasmuch gluing area small care should used gluing rudder fuselage As Control line models rudder should offset right onal very desirable center skid formed secured fuselage epoxy cloth tape bound fine copper wire soldered spreader bar also wire bound soldered landing gear model can glven couple coats filler cleardope talcum powder atthis time again sanded smooth doped silver nose painted black RAF decals applied appropriate Next Babe-Bee engine screwed place fitted its propeller Finally secure wheel retainer rotor mast sliding far will go add washer secure whole works another washer wheel retainer rotor bearing should prove too snug turn freely bearing may readily loosened applying drop oil has mixed dab toothpaste turning rotor hand Install control system wheels complete model After checking Avros balance must balance least inch forward rotor pivot placing drop oil rotor bearing wheels glro will ready flying field Flying Select flying site provides smooth area full circle Though fourbladed rotor will spin up very nicely its own recommend hand-spinning rotor autogiro will require somewhat lengthy takeoff run order bring rotor up flying speed Avros long tail will serve helper useful handle grasp ship starting also provides excellent flight stability control Wire flying lines 008-in x 35-ft suggested greater strength lesser drag compared Dacron flying lines Once airborne giro will fly much like other Control Line model until engine stops time model will immediately sort parachute ground say Control Line giro will descend nearly vertically rather slowly flat attitude regardless control inputs Factors landing peculiarity seem involve tre mendous drag rotor lack propwash tail surfaces fact rotor unlike helicopters cannot stall Also because such draggy ship has little reserve air speed best fly windless days its bit breezy might wish fly kite instead Avro C6A Materials List x 2-in sheet balsa x 1-in sheet balsa 3/32 x 3-in sheet balsa x -in spruce 1/16-in plywood 1/32-in plywood 1/16-in basswood 1/16-in diameter music wire 045-in diameter music wire 3/32-in outside diameter brass tube Fine copper wire Goldberg nylon bellcrank horn set Williams Brothers 1-in diameter WW wheels Small washers 1/16-in wheel retsiners 4 Paper clip Cox 049 Babe-Bee engine propeller mounting screws Titebond epoxy glue Solder -in wide nylon tape Fuelproof dope clear aluminum black RAF decals Few Notes Concerning Design Building Care Small CL Autogiros Probably few forms flying machines less understood autoglro unfortunately some material published recent years may have served further cloud already obscure subject Knowing ignorance superstition will always triumph embarked very empirical series generally successful iA CL autogiros have made following observations hope may prove useful 110 Model Aviation MAMMOTH SCALERS ave availableof Fine Quality Flying Models Ku P6 SAX 15255 1. .aeka C SAIlS
Edition: Model Aviation - 1981/01
Page Numbers: 32, 33, 108, 110
GIANT SCALE Bob Beckman AIR Show Team operations following isnt really about Giant Scale think needs said over year now Ive member clubs Air Show Team Virginia Air Show Squadron first asked join team hesitated thought long hard about time getting heavily involved Giant Scale about ready start monthly column Adding another respon sibility especially would commit weekends didnt look like too smart move end obviously decided go ahead has turned out tue better decisions life hasnt lot work fact really appreciated what involved before started probably would have opted out Now know both effort required rewards bottom line positiveand gains show up several different areas First course camaraderie comes participation group effort Ive come know appreciate fellow team members far beyond casual greetings field used prevail satisfaction comes entertainingpeople notjust demonstrating model airplanes using aircraft expertise entertain particularly rewarding audience consists handicapped retarded children several have year Finally very real improvement own skills brought about discipline required air show flying Ive flying RC last 35 years During time skill level has fluctuated depending active what kind flying doing 10 years Ive sport 32 Model Aviation Don Godfrey IMAA president gives famous pep talks Sunday night banquet after Thistledown Flyers IMAA Eastern Regional held Napoleon OH Bob claimsthatthis wasthe best such affair attended longtime fellow polkadot shirt head table Jerry Smith RCMs Heres editor Tom Rausch Napolean OH has Ia-scale aceBee underconstructionnote interesting use foam balsa Bob enjoyed hospitality Toms home over Labor Day weekend Boo couiant resist spreaaing out pieces Higgins CAP 20L kit picture Epoxy/glass shells laid up molds fuselage wings tail surfaces Additional molds positioned followed injection carefully-controlled amounts urethane foam stiffens shells aileron hinge arrangeni Sparrowhawk acn aileron carries four similar hingesone shown also serves control horn 1/s-in aluminum pushrod will go servo mounted wing brass-tube leading edge aileron filled solder help balance surfacereal F9C-2s used lead-filled steel tubes flier reasonably competent really pushing myself being pushed Theres nothing basically wrong its good enough show team work Early year situation came up really brought point home scheduled show fora group handicapped children location local high school football field hadnt sounded too bad talked about got Saturday morning second thoughts What hadnt realized approaches field clear Takeoffs short steep avoid power line landing approaches around goal posts end overflying adjacent baseball field use real short-field operation Ijust wasnt up no doubt plane Sig Kavalier could hack decided Id better helper-only day next week went out day after work practiced short takeoffs landings Now know what alrplane can way small field operations whatlcan wont sit out shows like Im better flier general too Before leave subject want talk about show team managers general manager Chuck Thomas particular has got demanding jobs has ever come down pike Its like being Contest Director other weekend whole fly ing season spending rest time lining up next season s shows Chuck guy has make sure everyone everything should should someone something comes up short Chuck dips own resources physical mental emotional financial plugs gap us team know Chuck job does wouldnt have team Ill bet its same show teams Hey guys have hugged manager lately Dont think oughtta ing Bob some interesting comments Trail interest Giant Scale market followed up letter part reads Starting months Sept80 production run Quadra engines will incorporate new cylinder block External changes 1 elimina tion peak cooling fins above spark plug boss 2 elimination cooling fin flashing along mold separation line 3 mounting screw lands have gusset supports increased strength Continued page 108 HIPERBIPE HIPERBIPE HIPERBIPE HIPERBIPE HIPERBIPE Designed especially Quarterscalers wish fly ultimate aerobatic flying econ omy Quadra Features like Fiberglas Fuselage Cowl Plywood Sheeting Foam Wing Neccessary Hardware complete makes kit fast easy build BASIC KIT DELUXE KIT EXOTIC KIT $13495$17595$22095 asterit 3628 MAINE QUINCY ILLINOIS 62301 PHONE217229-0848 January 1981 33 New Quadras coming IMAA Eastern Regional Fly-in Napoleon Ohio over Labor Day weekend met Bob Cooper new Quadra marketing manager Trail Manufactur Thats Jerry Smith taking picture Bob thought taking Vince Mariani bringing fullscale waco flyby Thistledown Filers field NEW FOURMOST PRODUCTS Fuselage Fixture Th POIJRMOST FUSELAGE FIXTURE designed Aiefo.heIIy uhgs fuoelage structures built strings inesouring eyeballing Simply slide four centering brack eta truck until align firewall tail joint two bulkheads Clamp fuoeloge together lightly rubber baudo structure will straight track eiee pj nonsedotess.spfosof. FOURMOST PRODUCTS Bomb Release flourtasot Bomb Itelcue nism oiwple hobtoright nhst ideul foe fun fly eceota unit tour Muse provided attach spring larch thread connect throttle roddeeseero Coerosion out prohieso unit nnlded spins g stainless Icti UNit WfiCtit~WU 4040 24th Ave Forest Grove OR 97116503 357-2732 GEE BEE RI / ORGANIZED R/C SCALEHeesaset of4ststdy ties hues see 42 Span & For4 peam uf foot fasomie Ss s 11 magesises 35 40 Eng 4 MAG FILES $495 Send 54 96 pIus SI 50 ABUILDERSKiHiuuuo add $5 Shipping mIas TIC R/C PRODUCTS P0 BOX 388-K Rt 1 Box 282 Prospect VA 23901 ER NH 03820 RC Old-Timers/Mathews Continued page 31 Worlds Fair would appear opposite case truly egg preceded chicken thanks Ira interesting historical sidelight Doings Davis Diesel about something youve read years Would believe Bob Davis has lowered prices diesel fuel gallon size has recently repriced downward has also reduced list price conver sion heads Cox units better reflect savings quantity production conversion head has made available OS Max 25 FSR unit should used engines produced last 18 months have improved lowspeed needle valve tougher rod improved motors can identified number 2601 stamped case bottom changes OS 25 FSR brought about spinoff 05 35cc race car units Whatever done seems right currently running 25 diesel conversion 11-7 Rev-Ups runs like clock flying Scale model previously powered 35 glow. seemingly pulls better larger unit fact diesel fuel delivers two three times minutes-per-ounce does glow fuel certainly increases cost effec tiveness should noted gallon-sized fuel no longer suitable use small Cox con versions Also newly available Davis Diesel Box 141 Milford CT 06460 adapter retrofit Perry carb onto Fox 15 BB Are baffled subject largebore diesels ST 35 conversion head must used engines produced within last seven eight years older baffled-piston 35s cannot converted However understand World Engiens has available liner/piston sets can used convert old Tigres Perry ports Grinding off old baffle absolutely will work fuel blown straight out exhaust youve gotta Peny-ported have also advised contrary rumor 35 has discontinued new batch will run through factory sometime 1981 Diesel fuel vs Sullivan tanks have using Sullivan polyethylene fuel tanks diesels several years tubing inside out must changed black rubber Sonic Tronics gas/diesel line Unused fuel never allowed remain tank overnight effort prevent possible softening tank stopper Apparently warning newer tanks applies included tubing rather tank itself have encountered trouble Nitrate vs butyrate last time letter H H Rice Lakewood NJ countrys outstanding antique classic aircraft restorers states tyrate stays soft underneath although surface appears hard will shrink dries unless retarder mixed Ceconite stuck airframe full-sized aircraft nitrate dope fully stuck down Ceconite heat-shrunk point nitrate dope applied stop shrinkage area finished butyrate can use butyrate over nitrate never reverse Mr Rice also advises Airtex Products Fallingston Industrial Park Fallingston PA 19054 stocks nitrate quarts gallons well colored dopes similar materials Nostalgia plans mushrooming interest Nostalgia events designs published kitted tweenJan 1943 andJan 1957 attractingmany have inthe Old-Timer activity Some aware John Pond plans list contains designs era Also plans Air Trails American Modeler avail able Hobby Helpers PO Box 217 Glen ville Station Greenwich CT 06830 Send us photos nostalgia-era models particularly RC assist L&L As write midSeptember numerous readers reporting inability contact L&L Electronics Albuquer que unable learn out business merely relocating will advise soon find out Dee B Mathews 506 South Walnui Greens buig KS 67054 RC Giant Scale/Beckman Continued page 33 4 exhaust port carburetor mounting faces have increased size add strength Overall cylinder block has much cleaner general appearance importantly areas considered weak have now corrected Internal changes 1 bypass ports have increased size deflection angles changed 2 new connecting rod being used 3 new crankshaft being incorporated internal changes add up much 10% increase peak horsepower performance Bob went say order reduce customs problems delays US orders will filled Port Huron MI facility Dario Brisighella will doing Quadra repair factory warranty service US Christen Eagle kit coming Another new acquain tance Napoleon Darrell Higgins Higgins Aero Composites Inc producing Giant Scale CAP 20L using fiberglass urethane foam incidentally impervious gaso line production techniques used both RVs full-scale aircraft Dont confuse fiberglass fuselagefoam core wing con struction Its much sophisticated Ill have say about future columns point already tooling up second offering Christen Eagle size slightly larger -scale Darrell says kit will include ultra-thin vinyl peel-and-stick-on decals full color dupli cating Eagles fantastic color scheme Fiberglass cowls seems place go run Tom Keeling yes Napoleon Since first met him Las Vegas 79 Ive hinting him Im going need cowl Sparrowhawk Toms T&D Fiberglass Specialties puts out cowls kits plans available Giant Scale youre interested whats available send SASE T&D Fiberglass Specialties 30925 Block Garden City MI 48135 Fleet Finch Fan got letter Harold Lake asking source plans 1942 Fleet Finch wants build -scale version Old Rhinebeck could him steer him onto drawings earlier models Fleet biplanes anyone knows drawings Finch let Harold know address RD #3 Mexico NY 13114 Continued page 110 108 Model Aviation Fly-In notices plea will organizing Giant Scale activities 1981 Please let know details soon possible have chance let other people know past season lot Big Bird Bashes didnt hear about until too late Remember need three four months lead time get something column Since fly-ins arent included AMA calender various big bird columnists best bet getting word out Plan reviews last column gave list plans hand waiting reviewed couple add list Nick Ziroli sent set Corsair plans Doc Godfrey caine through Super Stearman plans Don says has put out 800 sets far Next month Ill review Wendell Hostetlers Liberty Sport Bucker Jungmeister month Ill try two plans order received Flash November issue just got out writing mentioned need larger stronger better hardware Ijust got off phone Darrell Higgins informs company starting production line tumbuckles devises ball joints Screw size 4-40 materials aluminum steel promised samples literature ASAP luck Ill able tell about next month Bob Beckman 8248 Holly Grove Court Manassas VA 22110 Phone 703 369-2432 Catalog 8150 7L@ 98 RUBBER POWER KITS plus Gliders C/L RIC Accessories Books MAJESTIC MODELS 3273 West 129th Street Cleveland Ohio 44111 Avro C6A/Scott Continued page 37 izer resulting assembly glued its slot fuselage Inasmuch gluing area small care should used gluing rudder fuselage As Control line models rudder should offset right onal very desirable center skid formed secured fuselage epoxy cloth tape bound fine copper wire soldered spreader bar also wire bound soldered landing gear model can glven couple coats filler cleardope talcum powder atthis time again sanded smooth doped silver nose painted black RAF decals applied appropriate Next Babe-Bee engine screwed place fitted its propeller Finally secure wheel retainer rotor mast sliding far will go add washer secure whole works another washer wheel retainer rotor bearing should prove too snug turn freely bearing may readily loosened applying drop oil has mixed dab toothpaste turning rotor hand Install control system wheels complete model After checking Avros balance must balance least inch forward rotor pivot placing drop oil rotor bearing wheels glro will ready flying field Flying Select flying site provides smooth area full circle Though fourbladed rotor will spin up very nicely its own recommend hand-spinning rotor autogiro will require somewhat lengthy takeoff run order bring rotor up flying speed Avros long tail will serve helper useful handle grasp ship starting also provides excellent flight stability control Wire flying lines 008-in x 35-ft suggested greater strength lesser drag compared Dacron flying lines Once airborne giro will fly much like other Control Line model until engine stops time model will immediately sort parachute ground say Control Line giro will descend nearly vertically rather slowly flat attitude regardless control inputs Factors landing peculiarity seem involve tre mendous drag rotor lack propwash tail surfaces fact rotor unlike helicopters cannot stall Also because such draggy ship has little reserve air speed best fly windless days its bit breezy might wish fly kite instead Avro C6A Materials List x 2-in sheet balsa x 1-in sheet balsa 3/32 x 3-in sheet balsa x -in spruce 1/16-in plywood 1/32-in plywood 1/16-in basswood 1/16-in diameter music wire 045-in diameter music wire 3/32-in outside diameter brass tube Fine copper wire Goldberg nylon bellcrank horn set Williams Brothers 1-in diameter WW wheels Small washers 1/16-in wheel retsiners 4 Paper clip Cox 049 Babe-Bee engine propeller mounting screws Titebond epoxy glue Solder -in wide nylon tape Fuelproof dope clear aluminum black RAF decals Few Notes Concerning Design Building Care Small CL Autogiros Probably few forms flying machines less understood autoglro unfortunately some material published recent years may have served further cloud already obscure subject Knowing ignorance superstition will always triumph embarked very empirical series generally successful iA CL autogiros have made following observations hope may prove useful 110 Model Aviation MAMMOTH SCALERS ave availableof Fine Quality Flying Models Ku P6 SAX 15255 1. .aeka C SAIlS
Edition: Model Aviation - 1981/01
Page Numbers: 32, 33, 108, 110
GIANT SCALE Bob Beckman AIR Show Team operations following isnt really about Giant Scale think needs said over year now Ive member clubs Air Show Team Virginia Air Show Squadron first asked join team hesitated thought long hard about time getting heavily involved Giant Scale about ready start monthly column Adding another respon sibility especially would commit weekends didnt look like too smart move end obviously decided go ahead has turned out tue better decisions life hasnt lot work fact really appreciated what involved before started probably would have opted out Now know both effort required rewards bottom line positiveand gains show up several different areas First course camaraderie comes participation group effort Ive come know appreciate fellow team members far beyond casual greetings field used prevail satisfaction comes entertainingpeople notjust demonstrating model airplanes using aircraft expertise entertain particularly rewarding audience consists handicapped retarded children several have year Finally very real improvement own skills brought about discipline required air show flying Ive flying RC last 35 years During time skill level has fluctuated depending active what kind flying doing 10 years Ive sport 32 Model Aviation Don Godfrey IMAA president gives famous pep talks Sunday night banquet after Thistledown Flyers IMAA Eastern Regional held Napoleon OH Bob claimsthatthis wasthe best such affair attended longtime fellow polkadot shirt head table Jerry Smith RCMs Heres editor Tom Rausch Napolean OH has Ia-scale aceBee underconstructionnote interesting use foam balsa Bob enjoyed hospitality Toms home over Labor Day weekend Boo couiant resist spreaaing out pieces Higgins CAP 20L kit picture Epoxy/glass shells laid up molds fuselage wings tail surfaces Additional molds positioned followed injection carefully-controlled amounts urethane foam stiffens shells aileron hinge arrangeni Sparrowhawk acn aileron carries four similar hingesone shown also serves control horn 1/s-in aluminum pushrod will go servo mounted wing brass-tube leading edge aileron filled solder help balance surfacereal F9C-2s used lead-filled steel tubes flier reasonably competent really pushing myself being pushed Theres nothing basically wrong its good enough show team work Early year situation came up really brought point home scheduled show fora group handicapped children location local high school football field hadnt sounded too bad talked about got Saturday morning second thoughts What hadnt realized approaches field clear Takeoffs short steep avoid power line landing approaches around goal posts end overflying adjacent baseball field use real short-field operation Ijust wasnt up no doubt plane Sig Kavalier could hack decided Id better helper-only day next week went out day after work practiced short takeoffs landings Now know what alrplane can way small field operations whatlcan wont sit out shows like Im better flier general too Before leave subject want talk about show team managers general manager Chuck Thomas particular has got demanding jobs has ever come down pike Its like being Contest Director other weekend whole fly ing season spending rest time lining up next season s shows Chuck guy has make sure everyone everything should should someone something comes up short Chuck dips own resources physical mental emotional financial plugs gap us team know Chuck job does wouldnt have team Ill bet its same show teams Hey guys have hugged manager lately Dont think oughtta ing Bob some interesting comments Trail interest Giant Scale market followed up letter part reads Starting months Sept80 production run Quadra engines will incorporate new cylinder block External changes 1 elimina tion peak cooling fins above spark plug boss 2 elimination cooling fin flashing along mold separation line 3 mounting screw lands have gusset supports increased strength Continued page 108 HIPERBIPE HIPERBIPE HIPERBIPE HIPERBIPE HIPERBIPE Designed especially Quarterscalers wish fly ultimate aerobatic flying econ omy Quadra Features like Fiberglas Fuselage Cowl Plywood Sheeting Foam Wing Neccessary Hardware complete makes kit fast easy build BASIC KIT DELUXE KIT EXOTIC KIT $13495$17595$22095 asterit 3628 MAINE QUINCY ILLINOIS 62301 PHONE217229-0848 January 1981 33 New Quadras coming IMAA Eastern Regional Fly-in Napoleon Ohio over Labor Day weekend met Bob Cooper new Quadra marketing manager Trail Manufactur Thats Jerry Smith taking picture Bob thought taking Vince Mariani bringing fullscale waco flyby Thistledown Filers field NEW FOURMOST PRODUCTS Fuselage Fixture Th POIJRMOST FUSELAGE FIXTURE designed Aiefo.heIIy uhgs fuoelage structures built strings inesouring eyeballing Simply slide four centering brack eta truck until align firewall tail joint two bulkheads Clamp fuoeloge together lightly rubber baudo structure will straight track eiee pj nonsedotess.spfosof. FOURMOST PRODUCTS Bomb Release flourtasot Bomb Itelcue nism oiwple hobtoright nhst ideul foe fun fly eceota unit tour Muse provided attach spring larch thread connect throttle roddeeseero Coerosion out prohieso unit nnlded spins g stainless Icti UNit WfiCtit~WU 4040 24th Ave Forest Grove OR 97116503 357-2732 GEE BEE RI / ORGANIZED R/C SCALEHeesaset of4ststdy ties hues see 42 Span & For4 peam uf foot fasomie Ss s 11 magesises 35 40 Eng 4 MAG FILES $495 Send 54 96 pIus SI 50 ABUILDERSKiHiuuuo add $5 Shipping mIas TIC R/C PRODUCTS P0 BOX 388-K Rt 1 Box 282 Prospect VA 23901 ER NH 03820 RC Old-Timers/Mathews Continued page 31 Worlds Fair would appear opposite case truly egg preceded chicken thanks Ira interesting historical sidelight Doings Davis Diesel about something youve read years Would believe Bob Davis has lowered prices diesel fuel gallon size has recently repriced downward has also reduced list price conver sion heads Cox units better reflect savings quantity production conversion head has made available OS Max 25 FSR unit should used engines produced last 18 months have improved lowspeed needle valve tougher rod improved motors can identified number 2601 stamped case bottom changes OS 25 FSR brought about spinoff 05 35cc race car units Whatever done seems right currently running 25 diesel conversion 11-7 Rev-Ups runs like clock flying Scale model previously powered 35 glow. seemingly pulls better larger unit fact diesel fuel delivers two three times minutes-per-ounce does glow fuel certainly increases cost effec tiveness should noted gallon-sized fuel no longer suitable use small Cox con versions Also newly available Davis Diesel Box 141 Milford CT 06460 adapter retrofit Perry carb onto Fox 15 BB Are baffled subject largebore diesels ST 35 conversion head must used engines produced within last seven eight years older baffled-piston 35s cannot converted However understand World Engiens has available liner/piston sets can used convert old Tigres Perry ports Grinding off old baffle absolutely will work fuel blown straight out exhaust youve gotta Peny-ported have also advised contrary rumor 35 has discontinued new batch will run through factory sometime 1981 Diesel fuel vs Sullivan tanks have using Sullivan polyethylene fuel tanks diesels several years tubing inside out must changed black rubber Sonic Tronics gas/diesel line Unused fuel never allowed remain tank overnight effort prevent possible softening tank stopper Apparently warning newer tanks applies included tubing rather tank itself have encountered trouble Nitrate vs butyrate last time letter H H Rice Lakewood NJ countrys outstanding antique classic aircraft restorers states tyrate stays soft underneath although surface appears hard will shrink dries unless retarder mixed Ceconite stuck airframe full-sized aircraft nitrate dope fully stuck down Ceconite heat-shrunk point nitrate dope applied stop shrinkage area finished butyrate can use butyrate over nitrate never reverse Mr Rice also advises Airtex Products Fallingston Industrial Park Fallingston PA 19054 stocks nitrate quarts gallons well colored dopes similar materials Nostalgia plans mushrooming interest Nostalgia events designs published kitted tweenJan 1943 andJan 1957 attractingmany have inthe Old-Timer activity Some aware John Pond plans list contains designs era Also plans Air Trails American Modeler avail able Hobby Helpers PO Box 217 Glen ville Station Greenwich CT 06830 Send us photos nostalgia-era models particularly RC assist L&L As write midSeptember numerous readers reporting inability contact L&L Electronics Albuquer que unable learn out business merely relocating will advise soon find out Dee B Mathews 506 South Walnui Greens buig KS 67054 RC Giant Scale/Beckman Continued page 33 4 exhaust port carburetor mounting faces have increased size add strength Overall cylinder block has much cleaner general appearance importantly areas considered weak have now corrected Internal changes 1 bypass ports have increased size deflection angles changed 2 new connecting rod being used 3 new crankshaft being incorporated internal changes add up much 10% increase peak horsepower performance Bob went say order reduce customs problems delays US orders will filled Port Huron MI facility Dario Brisighella will doing Quadra repair factory warranty service US Christen Eagle kit coming Another new acquain tance Napoleon Darrell Higgins Higgins Aero Composites Inc producing Giant Scale CAP 20L using fiberglass urethane foam incidentally impervious gaso line production techniques used both RVs full-scale aircraft Dont confuse fiberglass fuselagefoam core wing con struction Its much sophisticated Ill have say about future columns point already tooling up second offering Christen Eagle size slightly larger -scale Darrell says kit will include ultra-thin vinyl peel-and-stick-on decals full color dupli cating Eagles fantastic color scheme Fiberglass cowls seems place go run Tom Keeling yes Napoleon Since first met him Las Vegas 79 Ive hinting him Im going need cowl Sparrowhawk Toms T&D Fiberglass Specialties puts out cowls kits plans available Giant Scale youre interested whats available send SASE T&D Fiberglass Specialties 30925 Block Garden City MI 48135 Fleet Finch Fan got letter Harold Lake asking source plans 1942 Fleet Finch wants build -scale version Old Rhinebeck could him steer him onto drawings earlier models Fleet biplanes anyone knows drawings Finch let Harold know address RD #3 Mexico NY 13114 Continued page 110 108 Model Aviation Fly-In notices plea will organizing Giant Scale activities 1981 Please let know details soon possible have chance let other people know past season lot Big Bird Bashes didnt hear about until too late Remember need three four months lead time get something column Since fly-ins arent included AMA calender various big bird columnists best bet getting word out Plan reviews last column gave list plans hand waiting reviewed couple add list Nick Ziroli sent set Corsair plans Doc Godfrey caine through Super Stearman plans Don says has put out 800 sets far Next month Ill review Wendell Hostetlers Liberty Sport Bucker Jungmeister month Ill try two plans order received Flash November issue just got out writing mentioned need larger stronger better hardware Ijust got off phone Darrell Higgins informs company starting production line tumbuckles devises ball joints Screw size 4-40 materials aluminum steel promised samples literature ASAP luck Ill able tell about next month Bob Beckman 8248 Holly Grove Court Manassas VA 22110 Phone 703 369-2432 Catalog 8150 7L@ 98 RUBBER POWER KITS plus Gliders C/L RIC Accessories Books MAJESTIC MODELS 3273 West 129th Street Cleveland Ohio 44111 Avro C6A/Scott Continued page 37 izer resulting assembly glued its slot fuselage Inasmuch gluing area small care should used gluing rudder fuselage As Control line models rudder should offset right onal very desirable center skid formed secured fuselage epoxy cloth tape bound fine copper wire soldered spreader bar also wire bound soldered landing gear model can glven couple coats filler cleardope talcum powder atthis time again sanded smooth doped silver nose painted black RAF decals applied appropriate Next Babe-Bee engine screwed place fitted its propeller Finally secure wheel retainer rotor mast sliding far will go add washer secure whole works another washer wheel retainer rotor bearing should prove too snug turn freely bearing may readily loosened applying drop oil has mixed dab toothpaste turning rotor hand Install control system wheels complete model After checking Avros balance must balance least inch forward rotor pivot placing drop oil rotor bearing wheels glro will ready flying field Flying Select flying site provides smooth area full circle Though fourbladed rotor will spin up very nicely its own recommend hand-spinning rotor autogiro will require somewhat lengthy takeoff run order bring rotor up flying speed Avros long tail will serve helper useful handle grasp ship starting also provides excellent flight stability control Wire flying lines 008-in x 35-ft suggested greater strength lesser drag compared Dacron flying lines Once airborne giro will fly much like other Control Line model until engine stops time model will immediately sort parachute ground say Control Line giro will descend nearly vertically rather slowly flat attitude regardless control inputs Factors landing peculiarity seem involve tre mendous drag rotor lack propwash tail surfaces fact rotor unlike helicopters cannot stall Also because such draggy ship has little reserve air speed best fly windless days its bit breezy might wish fly kite instead Avro C6A Materials List x 2-in sheet balsa x 1-in sheet balsa 3/32 x 3-in sheet balsa x -in spruce 1/16-in plywood 1/32-in plywood 1/16-in basswood 1/16-in diameter music wire 045-in diameter music wire 3/32-in outside diameter brass tube Fine copper wire Goldberg nylon bellcrank horn set Williams Brothers 1-in diameter WW wheels Small washers 1/16-in wheel retsiners 4 Paper clip Cox 049 Babe-Bee engine propeller mounting screws Titebond epoxy glue Solder -in wide nylon tape Fuelproof dope clear aluminum black RAF decals Few Notes Concerning Design Building Care Small CL Autogiros Probably few forms flying machines less understood autoglro unfortunately some material published recent years may have served further cloud already obscure subject Knowing ignorance superstition will always triumph embarked very empirical series generally successful iA CL autogiros have made following observations hope may prove useful 110 Model Aviation MAMMOTH SCALERS ave availableof Fine Quality Flying Models Ku P6 SAX 15255 1. .aeka C SAIlS
Edition: Model Aviation - 1981/01
Page Numbers: 32, 33, 108, 110
GIANT SCALE Bob Beckman AIR Show Team operations following isnt really about Giant Scale think needs said over year now Ive member clubs Air Show Team Virginia Air Show Squadron first asked join team hesitated thought long hard about time getting heavily involved Giant Scale about ready start monthly column Adding another respon sibility especially would commit weekends didnt look like too smart move end obviously decided go ahead has turned out tue better decisions life hasnt lot work fact really appreciated what involved before started probably would have opted out Now know both effort required rewards bottom line positiveand gains show up several different areas First course camaraderie comes participation group effort Ive come know appreciate fellow team members far beyond casual greetings field used prevail satisfaction comes entertainingpeople notjust demonstrating model airplanes using aircraft expertise entertain particularly rewarding audience consists handicapped retarded children several have year Finally very real improvement own skills brought about discipline required air show flying Ive flying RC last 35 years During time skill level has fluctuated depending active what kind flying doing 10 years Ive sport 32 Model Aviation Don Godfrey IMAA president gives famous pep talks Sunday night banquet after Thistledown Flyers IMAA Eastern Regional held Napoleon OH Bob claimsthatthis wasthe best such affair attended longtime fellow polkadot shirt head table Jerry Smith RCMs Heres editor Tom Rausch Napolean OH has Ia-scale aceBee underconstructionnote interesting use foam balsa Bob enjoyed hospitality Toms home over Labor Day weekend Boo couiant resist spreaaing out pieces Higgins CAP 20L kit picture Epoxy/glass shells laid up molds fuselage wings tail surfaces Additional molds positioned followed injection carefully-controlled amounts urethane foam stiffens shells aileron hinge arrangeni Sparrowhawk acn aileron carries four similar hingesone shown also serves control horn 1/s-in aluminum pushrod will go servo mounted wing brass-tube leading edge aileron filled solder help balance surfacereal F9C-2s used lead-filled steel tubes flier reasonably competent really pushing myself being pushed Theres nothing basically wrong its good enough show team work Early year situation came up really brought point home scheduled show fora group handicapped children location local high school football field hadnt sounded too bad talked about got Saturday morning second thoughts What hadnt realized approaches field clear Takeoffs short steep avoid power line landing approaches around goal posts end overflying adjacent baseball field use real short-field operation Ijust wasnt up no doubt plane Sig Kavalier could hack decided Id better helper-only day next week went out day after work practiced short takeoffs landings Now know what alrplane can way small field operations whatlcan wont sit out shows like Im better flier general too Before leave subject want talk about show team managers general manager Chuck Thomas particular has got demanding jobs has ever come down pike Its like being Contest Director other weekend whole fly ing season spending rest time lining up next season s shows Chuck guy has make sure everyone everything should should someone something comes up short Chuck dips own resources physical mental emotional financial plugs gap us team know Chuck job does wouldnt have team Ill bet its same show teams Hey guys have hugged manager lately Dont think oughtta ing Bob some interesting comments Trail interest Giant Scale market followed up letter part reads Starting months Sept80 production run Quadra engines will incorporate new cylinder block External changes 1 elimina tion peak cooling fins above spark plug boss 2 elimination cooling fin flashing along mold separation line 3 mounting screw lands have gusset supports increased strength Continued page 108 HIPERBIPE HIPERBIPE HIPERBIPE HIPERBIPE HIPERBIPE Designed especially Quarterscalers wish fly ultimate aerobatic flying econ omy Quadra Features like Fiberglas Fuselage Cowl Plywood Sheeting Foam Wing Neccessary Hardware complete makes kit fast easy build BASIC KIT DELUXE KIT EXOTIC KIT $13495$17595$22095 asterit 3628 MAINE QUINCY ILLINOIS 62301 PHONE217229-0848 January 1981 33 New Quadras coming IMAA Eastern Regional Fly-in Napoleon Ohio over Labor Day weekend met Bob Cooper new Quadra marketing manager Trail Manufactur Thats Jerry Smith taking picture Bob thought taking Vince Mariani bringing fullscale waco flyby Thistledown Filers field NEW FOURMOST PRODUCTS Fuselage Fixture Th POIJRMOST FUSELAGE FIXTURE designed Aiefo.heIIy uhgs fuoelage structures built strings inesouring eyeballing Simply slide four centering brack eta truck until align firewall tail joint two bulkheads Clamp fuoeloge together lightly rubber baudo structure will straight track eiee pj nonsedotess.spfosof. FOURMOST PRODUCTS Bomb Release flourtasot Bomb Itelcue nism oiwple hobtoright nhst ideul foe fun fly eceota unit tour Muse provided attach spring larch thread connect throttle roddeeseero Coerosion out prohieso unit nnlded spins g stainless Icti UNit WfiCtit~WU 4040 24th Ave Forest Grove OR 97116503 357-2732 GEE BEE RI / ORGANIZED R/C SCALEHeesaset of4ststdy ties hues see 42 Span & For4 peam uf foot fasomie Ss s 11 magesises 35 40 Eng 4 MAG FILES $495 Send 54 96 pIus SI 50 ABUILDERSKiHiuuuo add $5 Shipping mIas TIC R/C PRODUCTS P0 BOX 388-K Rt 1 Box 282 Prospect VA 23901 ER NH 03820 RC Old-Timers/Mathews Continued page 31 Worlds Fair would appear opposite case truly egg preceded chicken thanks Ira interesting historical sidelight Doings Davis Diesel about something youve read years Would believe Bob Davis has lowered prices diesel fuel gallon size has recently repriced downward has also reduced list price conver sion heads Cox units better reflect savings quantity production conversion head has made available OS Max 25 FSR unit should used engines produced last 18 months have improved lowspeed needle valve tougher rod improved motors can identified number 2601 stamped case bottom changes OS 25 FSR brought about spinoff 05 35cc race car units Whatever done seems right currently running 25 diesel conversion 11-7 Rev-Ups runs like clock flying Scale model previously powered 35 glow. seemingly pulls better larger unit fact diesel fuel delivers two three times minutes-per-ounce does glow fuel certainly increases cost effec tiveness should noted gallon-sized fuel no longer suitable use small Cox con versions Also newly available Davis Diesel Box 141 Milford CT 06460 adapter retrofit Perry carb onto Fox 15 BB Are baffled subject largebore diesels ST 35 conversion head must used engines produced within last seven eight years older baffled-piston 35s cannot converted However understand World Engiens has available liner/piston sets can used convert old Tigres Perry ports Grinding off old baffle absolutely will work fuel blown straight out exhaust youve gotta Peny-ported have also advised contrary rumor 35 has discontinued new batch will run through factory sometime 1981 Diesel fuel vs Sullivan tanks have using Sullivan polyethylene fuel tanks diesels several years tubing inside out must changed black rubber Sonic Tronics gas/diesel line Unused fuel never allowed remain tank overnight effort prevent possible softening tank stopper Apparently warning newer tanks applies included tubing rather tank itself have encountered trouble Nitrate vs butyrate last time letter H H Rice Lakewood NJ countrys outstanding antique classic aircraft restorers states tyrate stays soft underneath although surface appears hard will shrink dries unless retarder mixed Ceconite stuck airframe full-sized aircraft nitrate dope fully stuck down Ceconite heat-shrunk point nitrate dope applied stop shrinkage area finished butyrate can use butyrate over nitrate never reverse Mr Rice also advises Airtex Products Fallingston Industrial Park Fallingston PA 19054 stocks nitrate quarts gallons well colored dopes similar materials Nostalgia plans mushrooming interest Nostalgia events designs published kitted tweenJan 1943 andJan 1957 attractingmany have inthe Old-Timer activity Some aware John Pond plans list contains designs era Also plans Air Trails American Modeler avail able Hobby Helpers PO Box 217 Glen ville Station Greenwich CT 06830 Send us photos nostalgia-era models particularly RC assist L&L As write midSeptember numerous readers reporting inability contact L&L Electronics Albuquer que unable learn out business merely relocating will advise soon find out Dee B Mathews 506 South Walnui Greens buig KS 67054 RC Giant Scale/Beckman Continued page 33 4 exhaust port carburetor mounting faces have increased size add strength Overall cylinder block has much cleaner general appearance importantly areas considered weak have now corrected Internal changes 1 bypass ports have increased size deflection angles changed 2 new connecting rod being used 3 new crankshaft being incorporated internal changes add up much 10% increase peak horsepower performance Bob went say order reduce customs problems delays US orders will filled Port Huron MI facility Dario Brisighella will doing Quadra repair factory warranty service US Christen Eagle kit coming Another new acquain tance Napoleon Darrell Higgins Higgins Aero Composites Inc producing Giant Scale CAP 20L using fiberglass urethane foam incidentally impervious gaso line production techniques used both RVs full-scale aircraft Dont confuse fiberglass fuselagefoam core wing con struction Its much sophisticated Ill have say about future columns point already tooling up second offering Christen Eagle size slightly larger -scale Darrell says kit will include ultra-thin vinyl peel-and-stick-on decals full color dupli cating Eagles fantastic color scheme Fiberglass cowls seems place go run Tom Keeling yes Napoleon Since first met him Las Vegas 79 Ive hinting him Im going need cowl Sparrowhawk Toms T&D Fiberglass Specialties puts out cowls kits plans available Giant Scale youre interested whats available send SASE T&D Fiberglass Specialties 30925 Block Garden City MI 48135 Fleet Finch Fan got letter Harold Lake asking source plans 1942 Fleet Finch wants build -scale version Old Rhinebeck could him steer him onto drawings earlier models Fleet biplanes anyone knows drawings Finch let Harold know address RD #3 Mexico NY 13114 Continued page 110 108 Model Aviation Fly-In notices plea will organizing Giant Scale activities 1981 Please let know details soon possible have chance let other people know past season lot Big Bird Bashes didnt hear about until too late Remember need three four months lead time get something column Since fly-ins arent included AMA calender various big bird columnists best bet getting word out Plan reviews last column gave list plans hand waiting reviewed couple add list Nick Ziroli sent set Corsair plans Doc Godfrey caine through Super Stearman plans Don says has put out 800 sets far Next month Ill review Wendell Hostetlers Liberty Sport Bucker Jungmeister month Ill try two plans order received Flash November issue just got out writing mentioned need larger stronger better hardware Ijust got off phone Darrell Higgins informs company starting production line tumbuckles devises ball joints Screw size 4-40 materials aluminum steel promised samples literature ASAP luck Ill able tell about next month Bob Beckman 8248 Holly Grove Court Manassas VA 22110 Phone 703 369-2432 Catalog 8150 7L@ 98 RUBBER POWER KITS plus Gliders C/L RIC Accessories Books MAJESTIC MODELS 3273 West 129th Street Cleveland Ohio 44111 Avro C6A/Scott Continued page 37 izer resulting assembly glued its slot fuselage Inasmuch gluing area small care should used gluing rudder fuselage As Control line models rudder should offset right onal very desirable center skid formed secured fuselage epoxy cloth tape bound fine copper wire soldered spreader bar also wire bound soldered landing gear model can glven couple coats filler cleardope talcum powder atthis time again sanded smooth doped silver nose painted black RAF decals applied appropriate Next Babe-Bee engine screwed place fitted its propeller Finally secure wheel retainer rotor mast sliding far will go add washer secure whole works another washer wheel retainer rotor bearing should prove too snug turn freely bearing may readily loosened applying drop oil has mixed dab toothpaste turning rotor hand Install control system wheels complete model After checking Avros balance must balance least inch forward rotor pivot placing drop oil rotor bearing wheels glro will ready flying field Flying Select flying site provides smooth area full circle Though fourbladed rotor will spin up very nicely its own recommend hand-spinning rotor autogiro will require somewhat lengthy takeoff run order bring rotor up flying speed Avros long tail will serve helper useful handle grasp ship starting also provides excellent flight stability control Wire flying lines 008-in x 35-ft suggested greater strength lesser drag compared Dacron flying lines Once airborne giro will fly much like other Control Line model until engine stops time model will immediately sort parachute ground say Control Line giro will descend nearly vertically rather slowly flat attitude regardless control inputs Factors landing peculiarity seem involve tre mendous drag rotor lack propwash tail surfaces fact rotor unlike helicopters cannot stall Also because such draggy ship has little reserve air speed best fly windless days its bit breezy might wish fly kite instead Avro C6A Materials List x 2-in sheet balsa x 1-in sheet balsa 3/32 x 3-in sheet balsa x -in spruce 1/16-in plywood 1/32-in plywood 1/16-in basswood 1/16-in diameter music wire 045-in diameter music wire 3/32-in outside diameter brass tube Fine copper wire Goldberg nylon bellcrank horn set Williams Brothers 1-in diameter WW wheels Small washers 1/16-in wheel retsiners 4 Paper clip Cox 049 Babe-Bee engine propeller mounting screws Titebond epoxy glue Solder -in wide nylon tape Fuelproof dope clear aluminum black RAF decals Few Notes Concerning Design Building Care Small CL Autogiros Probably few forms flying machines less understood autoglro unfortunately some material published recent years may have served further cloud already obscure subject Knowing ignorance superstition will always triumph embarked very empirical series generally successful iA CL autogiros have made following observations hope may prove useful 110 Model Aviation MAMMOTH SCALERS ave availableof Fine Quality Flying Models Ku P6 SAX 15255 1. .aeka C SAIlS