INDOOR Bud Tenny FEEDBACK Doug Dahike Oshkosh WI wrote response comments Dec 79 column regarding ceiling dodger type flying sharing clipping December 1949 Flying Models magazine also dealt type ceiling dodging clipping related Chet Lanzo flew radiocontrolled microfilm covered rubber-powered model 1949 Nats model used tungsten wing bracing antenna fed radio signal 10 long piece nichrome wire output 100-watt transmitter fur nished power heat nichrome wire enough change its length other end wire attached models rudder turn radius varied transmitter operating Doug asked sort scheme might legal today Although matter might well end up before Contest Board personally feel existing model rules would prevent flying such model competition However Federal Communi cations Commission might well have some ob jections Thanks sharing Doug HOORAY going have World Championship West Baden possibility mentioned previous report covering FNART 1979 edition annual fly-in held National Indoor Model Airplane Society now lot hard work several dedicated people has resulted proposal hold 1980 Indoor World Championship Northwood Institute West Baden IN event held June 20-24 1980 kicks off week-long extravaganza indoor model flying will have seen believed WCh top flying event year rest weekly schedule vying attention World Championship teams countries modeling equivalent Olympics Anyone understands indoor modeling realizes Indoor WCh combines skill strategy models knowledge indoor weather yield perhaps model contest free flight models have very little dependence upon luck True indoor Continued page 113 April 1980 33 C02-powered Stearman PT-17 Bob Seidentopf Hammond IN Dave Lindley photo Upper right photo snows transporter bOx May Harlan Wayland MA Contants can inspected through acrylic plastic windows opening Left photo Dan Dominas box has WCh Lid opens give access models lid bottom Lower right photo Cezar Banks whole side opens easy access Story tells about mounting fixtures photos Richard Doig THE TRIPLE THREAT N QUIKRAY-500 has eneed meet need model could built last very stronj meet requirements AMA Sport Pylon Events Quicky 500 Pylon Racing Fun Fly Events around Sport Flying Trainer general Pattern Flying baby strong Bull lightandlast baby will turn Pylon tighter anything have seen will snap stall out. QUIKRAY-500 can built complete air Twelve Fifteen hours covered materials auch SUPER MONOKOTE other covering same family U M6DUWS A3AFT jOWL CO INC 500 FAST IS WHAT SHE IS DOCILE Winpapan 50 inArea 503 sq Engine 1945Weight 3l lbs Material AU Balsa Ply needed have yet try Flying Various motors have tried thus far best results obtained two 20 ioops flat rubber braided better distribute weight unwound motors rear motor pegs short lengths 1/16 aluminum tubing positioned rear nacelle As motors considerably longer distance between rear motor peg propeller hook used propeller hooks bent such way give appearance Z viewed behind such hook inhibits tendency long motor climb propeller shaft bind mechanism generally use winding stooge recommend constructed basic stooge large H-shaped structure pieces 1/16 plywood sheet portions tongue depressors attached fit either side rear motor peg nacelle Apiece 1/32 wire passed through tongues through rear motor peg holding unit stable motor wound H-shaped stooge base center crossbar between legs H nailed otherwise fastened stake driven ground possible launch model holding propeller tossing both hands once prefer use cradle consisting piece 1 X 2 pine stock two notched upright pieces attached notches uprights fit over propeller hubs keep motors unwinding leaves free hold model area F-8 F-9 right hand hold cradle left Ready launch simply pull cradle away propeller release model conventional way model built fly left under power found necessary add approximately two degrees left side- two degrees down-thrust propellers found necessary off set rudder approximately two degrees left Finished propellers motors model weighs 1 ounces balance point approximately d former F-6 model still being test flown flights date have shown remarkably stable characteristically steep rapid climb under power some difficulty stabilizer initially corrected building thicker lifting stabilizer Unfortunately time Flying Aces Nats yet appreciated nosedown effect lifting stabilizer result although model climbed well under power went steep dive altitude limiting flight time 30 seconds believe design capable minute flights changing elevator angle attack giving up elevator have countered its lifting tendencies considerably improved glide best flight time since making adjust ments has 44 seconds obtained Wright-Patterson Air Force Base Septem ber24 1978 little tinkering thermal knows.. Stolen From van Ames Department Store Athens PARed white blue Aeromaster Kraft 7ch 2-stick OS Blackhead 60 flight box 12V battery / power panel tools Kraft 5-ch receiver servos K&B 35cc RC No bler kit Excalibur kit miscellaneous planes balsa Contact Dale Lent RD 1 Box 43-C Nichols NY 13812 Tel 1-607-699-3144 Athens Police Dept Tel 1-717-885-1401 FF Indoor/Tenny Continued page 33 thermals things such thermal inversions may appear affect model performance unpredictable fashion Only really skilled fliers know use factors predictable ways What Else Well international flimsies put away First World Peanut Gran Prix will held sponsored Doc Martins Miami Indoor Airplane Model Association Peanut Scale contest will CDed directed whatever Butch Hadland UK rest week thats righta whole week will taken NIMAS Fifth NIMAS Annual Record Trials VNART VNART formula may changed somewhat year details remain worked out Anyone misses week modeling will regret CO2 Models has mentioned before column newest very tiny CO2 engines turning up indoor models Photo 1 shows very nice CO2 powered indoor scale model Stearman PT-17 Bob Sie dentopf Hammond IN model flown annual Midwest Indoor Cham pionships held Chicago IL Although door purists doubtless will very nervous over intrusion CO2 models airspace technology very interesting type flying Model Boxes mention World Cham pionship brings forth thoughts model transportation problems Everyone has April1980 113 [I LIGHT AND QUIK ITS FULL OF TIGER EATING GRINS!! AAmco Inc humbly say no WHEELS CONTROL-UNEFREE-FLIGHT VINTAGESMOOTHGOLDEN AGENEW sizes21/iCONTOURsizes2/zBALLOON 3/i3/34234 3/g 13341314 13342/41/2 11443/i1143W11/44/a31/454 11/2511/241/211/2533/4 1/6S/82145141/g61/i SCALE PILOTS DERS ENGINE KITS MACHINE GUN KITS PLASTIC DISPLAY MODELS JjLLIAMS SEND 5Ott FOR COMPLETE ILLUSTRATED CATALOG EROS IHZs. DEPT MA PAWNEE ST SAN MARCOS CA 9 HEAD LOCK THE NEW STANDARDFOR GLOW PLUG CONNECTORS CHECK THESE FEATURES twist its locked 2Push twst Its f 3Will come f under heavy engine vibration 4Will short out sPositive spring contact 630 inch lead wire Still atyoirr hobhy p295 dealers & 1 gIF INJITFfl ever associated WCh no matter what type model involved has heard hor ror stories hero stories depending upon viewpoint team members arriving models tatters Sometimes stories funny retrospect however models successfully repaired team member involved has started handicap difficult overcome Whats Needed Obviously desirable endresult effort transport model airplanes around world arrive contest models totally undamaged major hazards shock dropped con tainers vibration various kinds vehicular activity Indoor models aiso sen sitive temperature extremes especially heat Woe unto unwary locks indoor models rented car standing out sum mer sun Such elevated temperatures will warp models quickly very hardest types problems deal especially thousands miles friendly workshop International move ment type material brings forth another unexpected hazardthe Customs spector bother open model containers indoor models can damaged easily unless box opened room low air circulation Take Peek Mr Inspector Ray Harlan isnt first use idea model box well-prepared curious customs spector Photo 2 clearly shows Rays plexiglas inserts very easy show contents box opening boxs weight penalty essentially same before adding windows Two other aspects indoor box design show photocareful mount ing model parts along clever packaging first insures model parts cannot drift around inside box second ailows models carried given size box Other Problems Once models packed box made visible inspectors stand better chance getting Big Meet models intact However models cannot easily removed box contest may damaged haste fly Dan Dominas box seen Photo 3 shows way hinge box parts can reached careful study photo shows fuselage/tail group mounted under wing props under other wing main part box similar arrangement serves two models Mounting Techullques Any mounting fixture indoor model parts must meet four goals First fixture must prevent model com ponent coming out holder box transit part must rotate move around holder Otherwise part may damage nearby part rub against box damage itself Sec ond mounting should minimize transmission external shocks model parts Third fixture should designed easy smooth removal model part box sticking fixture can cause ex cessive force applied model removed box sudden release holding force may cause model strike box another model best model can removed hand Finally fix ture must crush deform model way sure fuselages tail booms will retain alignment during shipmenta very tiny warp tail boom can subtly detract performance manner expected Heres Photo 4 shows Cezar Banks solved mounting accessibility problems whole side box folds down allow easy access several parts time Slotted foam rubber pads firmly hold props hubs encasing prop hooks shock transmission minim ized blades allowed support themselves hubs cannot rotate blades can stack closely together danger foam will easily release prop needed Two wings has removed held friction-fit tubes spacing identical fuselage wings can unplugged just fuselage Two fuselages fit neatly between wings tail surfaces alternating fuselages also use foam-padded fork-type supports hold firmly crushing Props mount under wings short box lid supports two complete models small space yet allows easy access removal Bud Tenny PO Box 545 Richardson TX 75080 FF Duration/Meuser Con finued page 35 Brookenone Co,pany 127 vose Fern Rd. Peterboroogh NH 03458 Small hand taclo misc Mfgr Buwer Model Airplane Co Toner Edward J PO Son 124 Howell NJ 07731 201 363-0845 Robber power CO scale old-taner kits plans Mfgr Cal Acm no longer active See J&R Models CHE Hobblee 10900 Eastwood Ave. Inglewood CA 90304 213 674-1756 Krts classes brands Comp Modnls Kitco d-Ks Micro Blon Ridge Tisson Prnlli robber lobn Ott CPM Prodacta 722 Lennox St. vreka CA 96097916842-4075 Old-tmer kos 30 Soaring Glider $498 ppd 30 Pacific Ace Ok P30 5695 ppd Mfgr Champion Modal Products Sebmoedner George 880 Carmen Ct LaVerne CA 91750 714 599-3348 Coupe dHiver Molcihill kits Ponlb FAI robber misc robberpower Supplies Classic Era Modelpians Oraga John 356 Grand Blvd Bedford OH 44146 Robber-powered scale models 30s 12 30 spat Stahl Lindberg Schroder Storiale $1/list sample Clam James C. see Clemeraft Clemeraft Clam James PO Ban 524 Sand Springs OK 74063 VA gas kits 0km Bird tot 79 USFF Champs Coontry Soy Witch Hawk 1st 79 Nets Cot Ill record Mfgr Cleveland Model & Supply Co. 10307 Detroit Ave. Cleveland OH 44102216 961-3600 Hundreds ot plans some old some now flyrog scale aircraft 114 Model Aviation SCALE RADIO CONTROL
Edition: Model Aviation - 1980/04
Page Numbers: 33, 113, 114
INDOOR Bud Tenny FEEDBACK Doug Dahike Oshkosh WI wrote response comments Dec 79 column regarding ceiling dodger type flying sharing clipping December 1949 Flying Models magazine also dealt type ceiling dodging clipping related Chet Lanzo flew radiocontrolled microfilm covered rubber-powered model 1949 Nats model used tungsten wing bracing antenna fed radio signal 10 long piece nichrome wire output 100-watt transmitter fur nished power heat nichrome wire enough change its length other end wire attached models rudder turn radius varied transmitter operating Doug asked sort scheme might legal today Although matter might well end up before Contest Board personally feel existing model rules would prevent flying such model competition However Federal Communi cations Commission might well have some ob jections Thanks sharing Doug HOORAY going have World Championship West Baden possibility mentioned previous report covering FNART 1979 edition annual fly-in held National Indoor Model Airplane Society now lot hard work several dedicated people has resulted proposal hold 1980 Indoor World Championship Northwood Institute West Baden IN event held June 20-24 1980 kicks off week-long extravaganza indoor model flying will have seen believed WCh top flying event year rest weekly schedule vying attention World Championship teams countries modeling equivalent Olympics Anyone understands indoor modeling realizes Indoor WCh combines skill strategy models knowledge indoor weather yield perhaps model contest free flight models have very little dependence upon luck True indoor Continued page 113 April 1980 33 C02-powered Stearman PT-17 Bob Seidentopf Hammond IN Dave Lindley photo Upper right photo snows transporter bOx May Harlan Wayland MA Contants can inspected through acrylic plastic windows opening Left photo Dan Dominas box has WCh Lid opens give access models lid bottom Lower right photo Cezar Banks whole side opens easy access Story tells about mounting fixtures photos Richard Doig THE TRIPLE THREAT N QUIKRAY-500 has eneed meet need model could built last very stronj meet requirements AMA Sport Pylon Events Quicky 500 Pylon Racing Fun Fly Events around Sport Flying Trainer general Pattern Flying baby strong Bull lightandlast baby will turn Pylon tighter anything have seen will snap stall out. QUIKRAY-500 can built complete air Twelve Fifteen hours covered materials auch SUPER MONOKOTE other covering same family U M6DUWS A3AFT jOWL CO INC 500 FAST IS WHAT SHE IS DOCILE Winpapan 50 inArea 503 sq Engine 1945Weight 3l lbs Material AU Balsa Ply needed have yet try Flying Various motors have tried thus far best results obtained two 20 ioops flat rubber braided better distribute weight unwound motors rear motor pegs short lengths 1/16 aluminum tubing positioned rear nacelle As motors considerably longer distance between rear motor peg propeller hook used propeller hooks bent such way give appearance Z viewed behind such hook inhibits tendency long motor climb propeller shaft bind mechanism generally use winding stooge recommend constructed basic stooge large H-shaped structure pieces 1/16 plywood sheet portions tongue depressors attached fit either side rear motor peg nacelle Apiece 1/32 wire passed through tongues through rear motor peg holding unit stable motor wound H-shaped stooge base center crossbar between legs H nailed otherwise fastened stake driven ground possible launch model holding propeller tossing both hands once prefer use cradle consisting piece 1 X 2 pine stock two notched upright pieces attached notches uprights fit over propeller hubs keep motors unwinding leaves free hold model area F-8 F-9 right hand hold cradle left Ready launch simply pull cradle away propeller release model conventional way model built fly left under power found necessary add approximately two degrees left side- two degrees down-thrust propellers found necessary off set rudder approximately two degrees left Finished propellers motors model weighs 1 ounces balance point approximately d former F-6 model still being test flown flights date have shown remarkably stable characteristically steep rapid climb under power some difficulty stabilizer initially corrected building thicker lifting stabilizer Unfortunately time Flying Aces Nats yet appreciated nosedown effect lifting stabilizer result although model climbed well under power went steep dive altitude limiting flight time 30 seconds believe design capable minute flights changing elevator angle attack giving up elevator have countered its lifting tendencies considerably improved glide best flight time since making adjust ments has 44 seconds obtained Wright-Patterson Air Force Base Septem ber24 1978 little tinkering thermal knows.. Stolen From van Ames Department Store Athens PARed white blue Aeromaster Kraft 7ch 2-stick OS Blackhead 60 flight box 12V battery / power panel tools Kraft 5-ch receiver servos K&B 35cc RC No bler kit Excalibur kit miscellaneous planes balsa Contact Dale Lent RD 1 Box 43-C Nichols NY 13812 Tel 1-607-699-3144 Athens Police Dept Tel 1-717-885-1401 FF Indoor/Tenny Continued page 33 thermals things such thermal inversions may appear affect model performance unpredictable fashion Only really skilled fliers know use factors predictable ways What Else Well international flimsies put away First World Peanut Gran Prix will held sponsored Doc Martins Miami Indoor Airplane Model Association Peanut Scale contest will CDed directed whatever Butch Hadland UK rest week thats righta whole week will taken NIMAS Fifth NIMAS Annual Record Trials VNART VNART formula may changed somewhat year details remain worked out Anyone misses week modeling will regret CO2 Models has mentioned before column newest very tiny CO2 engines turning up indoor models Photo 1 shows very nice CO2 powered indoor scale model Stearman PT-17 Bob Sie dentopf Hammond IN model flown annual Midwest Indoor Cham pionships held Chicago IL Although door purists doubtless will very nervous over intrusion CO2 models airspace technology very interesting type flying Model Boxes mention World Cham pionship brings forth thoughts model transportation problems Everyone has April1980 113 [I LIGHT AND QUIK ITS FULL OF TIGER EATING GRINS!! AAmco Inc humbly say no WHEELS CONTROL-UNEFREE-FLIGHT VINTAGESMOOTHGOLDEN AGENEW sizes21/iCONTOURsizes2/zBALLOON 3/i3/34234 3/g 13341314 13342/41/2 11443/i1143W11/44/a31/454 11/2511/241/211/2533/4 1/6S/82145141/g61/i SCALE PILOTS DERS ENGINE KITS MACHINE GUN KITS PLASTIC DISPLAY MODELS JjLLIAMS SEND 5Ott FOR COMPLETE ILLUSTRATED CATALOG EROS IHZs. DEPT MA PAWNEE ST SAN MARCOS CA 9 HEAD LOCK THE NEW STANDARDFOR GLOW PLUG CONNECTORS CHECK THESE FEATURES twist its locked 2Push twst Its f 3Will come f under heavy engine vibration 4Will short out sPositive spring contact 630 inch lead wire Still atyoirr hobhy p295 dealers & 1 gIF INJITFfl ever associated WCh no matter what type model involved has heard hor ror stories hero stories depending upon viewpoint team members arriving models tatters Sometimes stories funny retrospect however models successfully repaired team member involved has started handicap difficult overcome Whats Needed Obviously desirable endresult effort transport model airplanes around world arrive contest models totally undamaged major hazards shock dropped con tainers vibration various kinds vehicular activity Indoor models aiso sen sitive temperature extremes especially heat Woe unto unwary locks indoor models rented car standing out sum mer sun Such elevated temperatures will warp models quickly very hardest types problems deal especially thousands miles friendly workshop International move ment type material brings forth another unexpected hazardthe Customs spector bother open model containers indoor models can damaged easily unless box opened room low air circulation Take Peek Mr Inspector Ray Harlan isnt first use idea model box well-prepared curious customs spector Photo 2 clearly shows Rays plexiglas inserts very easy show contents box opening boxs weight penalty essentially same before adding windows Two other aspects indoor box design show photocareful mount ing model parts along clever packaging first insures model parts cannot drift around inside box second ailows models carried given size box Other Problems Once models packed box made visible inspectors stand better chance getting Big Meet models intact However models cannot easily removed box contest may damaged haste fly Dan Dominas box seen Photo 3 shows way hinge box parts can reached careful study photo shows fuselage/tail group mounted under wing props under other wing main part box similar arrangement serves two models Mounting Techullques Any mounting fixture indoor model parts must meet four goals First fixture must prevent model com ponent coming out holder box transit part must rotate move around holder Otherwise part may damage nearby part rub against box damage itself Sec ond mounting should minimize transmission external shocks model parts Third fixture should designed easy smooth removal model part box sticking fixture can cause ex cessive force applied model removed box sudden release holding force may cause model strike box another model best model can removed hand Finally fix ture must crush deform model way sure fuselages tail booms will retain alignment during shipmenta very tiny warp tail boom can subtly detract performance manner expected Heres Photo 4 shows Cezar Banks solved mounting accessibility problems whole side box folds down allow easy access several parts time Slotted foam rubber pads firmly hold props hubs encasing prop hooks shock transmission minim ized blades allowed support themselves hubs cannot rotate blades can stack closely together danger foam will easily release prop needed Two wings has removed held friction-fit tubes spacing identical fuselage wings can unplugged just fuselage Two fuselages fit neatly between wings tail surfaces alternating fuselages also use foam-padded fork-type supports hold firmly crushing Props mount under wings short box lid supports two complete models small space yet allows easy access removal Bud Tenny PO Box 545 Richardson TX 75080 FF Duration/Meuser Con finued page 35 Brookenone Co,pany 127 vose Fern Rd. Peterboroogh NH 03458 Small hand taclo misc Mfgr Buwer Model Airplane Co Toner Edward J PO Son 124 Howell NJ 07731 201 363-0845 Robber power CO scale old-taner kits plans Mfgr Cal Acm no longer active See J&R Models CHE Hobblee 10900 Eastwood Ave. Inglewood CA 90304 213 674-1756 Krts classes brands Comp Modnls Kitco d-Ks Micro Blon Ridge Tisson Prnlli robber lobn Ott CPM Prodacta 722 Lennox St. vreka CA 96097916842-4075 Old-tmer kos 30 Soaring Glider $498 ppd 30 Pacific Ace Ok P30 5695 ppd Mfgr Champion Modal Products Sebmoedner George 880 Carmen Ct LaVerne CA 91750 714 599-3348 Coupe dHiver Molcihill kits Ponlb FAI robber misc robberpower Supplies Classic Era Modelpians Oraga John 356 Grand Blvd Bedford OH 44146 Robber-powered scale models 30s 12 30 spat Stahl Lindberg Schroder Storiale $1/list sample Clam James C. see Clemeraft Clemeraft Clam James PO Ban 524 Sand Springs OK 74063 VA gas kits 0km Bird tot 79 USFF Champs Coontry Soy Witch Hawk 1st 79 Nets Cot Ill record Mfgr Cleveland Model & Supply Co. 10307 Detroit Ave. Cleveland OH 44102216 961-3600 Hundreds ot plans some old some now flyrog scale aircraft 114 Model Aviation SCALE RADIO CONTROL
Edition: Model Aviation - 1980/04
Page Numbers: 33, 113, 114
INDOOR Bud Tenny FEEDBACK Doug Dahike Oshkosh WI wrote response comments Dec 79 column regarding ceiling dodger type flying sharing clipping December 1949 Flying Models magazine also dealt type ceiling dodging clipping related Chet Lanzo flew radiocontrolled microfilm covered rubber-powered model 1949 Nats model used tungsten wing bracing antenna fed radio signal 10 long piece nichrome wire output 100-watt transmitter fur nished power heat nichrome wire enough change its length other end wire attached models rudder turn radius varied transmitter operating Doug asked sort scheme might legal today Although matter might well end up before Contest Board personally feel existing model rules would prevent flying such model competition However Federal Communi cations Commission might well have some ob jections Thanks sharing Doug HOORAY going have World Championship West Baden possibility mentioned previous report covering FNART 1979 edition annual fly-in held National Indoor Model Airplane Society now lot hard work several dedicated people has resulted proposal hold 1980 Indoor World Championship Northwood Institute West Baden IN event held June 20-24 1980 kicks off week-long extravaganza indoor model flying will have seen believed WCh top flying event year rest weekly schedule vying attention World Championship teams countries modeling equivalent Olympics Anyone understands indoor modeling realizes Indoor WCh combines skill strategy models knowledge indoor weather yield perhaps model contest free flight models have very little dependence upon luck True indoor Continued page 113 April 1980 33 C02-powered Stearman PT-17 Bob Seidentopf Hammond IN Dave Lindley photo Upper right photo snows transporter bOx May Harlan Wayland MA Contants can inspected through acrylic plastic windows opening Left photo Dan Dominas box has WCh Lid opens give access models lid bottom Lower right photo Cezar Banks whole side opens easy access Story tells about mounting fixtures photos Richard Doig THE TRIPLE THREAT N QUIKRAY-500 has eneed meet need model could built last very stronj meet requirements AMA Sport Pylon Events Quicky 500 Pylon Racing Fun Fly Events around Sport Flying Trainer general Pattern Flying baby strong Bull lightandlast baby will turn Pylon tighter anything have seen will snap stall out. QUIKRAY-500 can built complete air Twelve Fifteen hours covered materials auch SUPER MONOKOTE other covering same family U M6DUWS A3AFT jOWL CO INC 500 FAST IS WHAT SHE IS DOCILE Winpapan 50 inArea 503 sq Engine 1945Weight 3l lbs Material AU Balsa Ply needed have yet try Flying Various motors have tried thus far best results obtained two 20 ioops flat rubber braided better distribute weight unwound motors rear motor pegs short lengths 1/16 aluminum tubing positioned rear nacelle As motors considerably longer distance between rear motor peg propeller hook used propeller hooks bent such way give appearance Z viewed behind such hook inhibits tendency long motor climb propeller shaft bind mechanism generally use winding stooge recommend constructed basic stooge large H-shaped structure pieces 1/16 plywood sheet portions tongue depressors attached fit either side rear motor peg nacelle Apiece 1/32 wire passed through tongues through rear motor peg holding unit stable motor wound H-shaped stooge base center crossbar between legs H nailed otherwise fastened stake driven ground possible launch model holding propeller tossing both hands once prefer use cradle consisting piece 1 X 2 pine stock two notched upright pieces attached notches uprights fit over propeller hubs keep motors unwinding leaves free hold model area F-8 F-9 right hand hold cradle left Ready launch simply pull cradle away propeller release model conventional way model built fly left under power found necessary add approximately two degrees left side- two degrees down-thrust propellers found necessary off set rudder approximately two degrees left Finished propellers motors model weighs 1 ounces balance point approximately d former F-6 model still being test flown flights date have shown remarkably stable characteristically steep rapid climb under power some difficulty stabilizer initially corrected building thicker lifting stabilizer Unfortunately time Flying Aces Nats yet appreciated nosedown effect lifting stabilizer result although model climbed well under power went steep dive altitude limiting flight time 30 seconds believe design capable minute flights changing elevator angle attack giving up elevator have countered its lifting tendencies considerably improved glide best flight time since making adjust ments has 44 seconds obtained Wright-Patterson Air Force Base Septem ber24 1978 little tinkering thermal knows.. Stolen From van Ames Department Store Athens PARed white blue Aeromaster Kraft 7ch 2-stick OS Blackhead 60 flight box 12V battery / power panel tools Kraft 5-ch receiver servos K&B 35cc RC No bler kit Excalibur kit miscellaneous planes balsa Contact Dale Lent RD 1 Box 43-C Nichols NY 13812 Tel 1-607-699-3144 Athens Police Dept Tel 1-717-885-1401 FF Indoor/Tenny Continued page 33 thermals things such thermal inversions may appear affect model performance unpredictable fashion Only really skilled fliers know use factors predictable ways What Else Well international flimsies put away First World Peanut Gran Prix will held sponsored Doc Martins Miami Indoor Airplane Model Association Peanut Scale contest will CDed directed whatever Butch Hadland UK rest week thats righta whole week will taken NIMAS Fifth NIMAS Annual Record Trials VNART VNART formula may changed somewhat year details remain worked out Anyone misses week modeling will regret CO2 Models has mentioned before column newest very tiny CO2 engines turning up indoor models Photo 1 shows very nice CO2 powered indoor scale model Stearman PT-17 Bob Sie dentopf Hammond IN model flown annual Midwest Indoor Cham pionships held Chicago IL Although door purists doubtless will very nervous over intrusion CO2 models airspace technology very interesting type flying Model Boxes mention World Cham pionship brings forth thoughts model transportation problems Everyone has April1980 113 [I LIGHT AND QUIK ITS FULL OF TIGER EATING GRINS!! AAmco Inc humbly say no WHEELS CONTROL-UNEFREE-FLIGHT VINTAGESMOOTHGOLDEN AGENEW sizes21/iCONTOURsizes2/zBALLOON 3/i3/34234 3/g 13341314 13342/41/2 11443/i1143W11/44/a31/454 11/2511/241/211/2533/4 1/6S/82145141/g61/i SCALE PILOTS DERS ENGINE KITS MACHINE GUN KITS PLASTIC DISPLAY MODELS JjLLIAMS SEND 5Ott FOR COMPLETE ILLUSTRATED CATALOG EROS IHZs. DEPT MA PAWNEE ST SAN MARCOS CA 9 HEAD LOCK THE NEW STANDARDFOR GLOW PLUG CONNECTORS CHECK THESE FEATURES twist its locked 2Push twst Its f 3Will come f under heavy engine vibration 4Will short out sPositive spring contact 630 inch lead wire Still atyoirr hobhy p295 dealers & 1 gIF INJITFfl ever associated WCh no matter what type model involved has heard hor ror stories hero stories depending upon viewpoint team members arriving models tatters Sometimes stories funny retrospect however models successfully repaired team member involved has started handicap difficult overcome Whats Needed Obviously desirable endresult effort transport model airplanes around world arrive contest models totally undamaged major hazards shock dropped con tainers vibration various kinds vehicular activity Indoor models aiso sen sitive temperature extremes especially heat Woe unto unwary locks indoor models rented car standing out sum mer sun Such elevated temperatures will warp models quickly very hardest types problems deal especially thousands miles friendly workshop International move ment type material brings forth another unexpected hazardthe Customs spector bother open model containers indoor models can damaged easily unless box opened room low air circulation Take Peek Mr Inspector Ray Harlan isnt first use idea model box well-prepared curious customs spector Photo 2 clearly shows Rays plexiglas inserts very easy show contents box opening boxs weight penalty essentially same before adding windows Two other aspects indoor box design show photocareful mount ing model parts along clever packaging first insures model parts cannot drift around inside box second ailows models carried given size box Other Problems Once models packed box made visible inspectors stand better chance getting Big Meet models intact However models cannot easily removed box contest may damaged haste fly Dan Dominas box seen Photo 3 shows way hinge box parts can reached careful study photo shows fuselage/tail group mounted under wing props under other wing main part box similar arrangement serves two models Mounting Techullques Any mounting fixture indoor model parts must meet four goals First fixture must prevent model com ponent coming out holder box transit part must rotate move around holder Otherwise part may damage nearby part rub against box damage itself Sec ond mounting should minimize transmission external shocks model parts Third fixture should designed easy smooth removal model part box sticking fixture can cause ex cessive force applied model removed box sudden release holding force may cause model strike box another model best model can removed hand Finally fix ture must crush deform model way sure fuselages tail booms will retain alignment during shipmenta very tiny warp tail boom can subtly detract performance manner expected Heres Photo 4 shows Cezar Banks solved mounting accessibility problems whole side box folds down allow easy access several parts time Slotted foam rubber pads firmly hold props hubs encasing prop hooks shock transmission minim ized blades allowed support themselves hubs cannot rotate blades can stack closely together danger foam will easily release prop needed Two wings has removed held friction-fit tubes spacing identical fuselage wings can unplugged just fuselage Two fuselages fit neatly between wings tail surfaces alternating fuselages also use foam-padded fork-type supports hold firmly crushing Props mount under wings short box lid supports two complete models small space yet allows easy access removal Bud Tenny PO Box 545 Richardson TX 75080 FF Duration/Meuser Con finued page 35 Brookenone Co,pany 127 vose Fern Rd. Peterboroogh NH 03458 Small hand taclo misc Mfgr Buwer Model Airplane Co Toner Edward J PO Son 124 Howell NJ 07731 201 363-0845 Robber power CO scale old-taner kits plans Mfgr Cal Acm no longer active See J&R Models CHE Hobblee 10900 Eastwood Ave. Inglewood CA 90304 213 674-1756 Krts classes brands Comp Modnls Kitco d-Ks Micro Blon Ridge Tisson Prnlli robber lobn Ott CPM Prodacta 722 Lennox St. vreka CA 96097916842-4075 Old-tmer kos 30 Soaring Glider $498 ppd 30 Pacific Ace Ok P30 5695 ppd Mfgr Champion Modal Products Sebmoedner George 880 Carmen Ct LaVerne CA 91750 714 599-3348 Coupe dHiver Molcihill kits Ponlb FAI robber misc robberpower Supplies Classic Era Modelpians Oraga John 356 Grand Blvd Bedford OH 44146 Robber-powered scale models 30s 12 30 spat Stahl Lindberg Schroder Storiale $1/list sample Clam James C. see Clemeraft Clemeraft Clam James PO Ban 524 Sand Springs OK 74063 VA gas kits 0km Bird tot 79 USFF Champs Coontry Soy Witch Hawk 1st 79 Nets Cot Ill record Mfgr Cleveland Model & Supply Co. 10307 Detroit Ave. Cleveland OH 44102216 961-3600 Hundreds ot plans some old some now flyrog scale aircraft 114 Model Aviation SCALE RADIO CONTROL