I-1fLI1 COMES FIRST Extreme danger models fuel tank empty after finish flying have kill-switch magneto-ignition 1/4. Scale engine Diesels can start first flip 0 John Preston IT REALLY pains us write months column Since never took typing course school rely use forefingers bang keys Unfor tunately right forefin ger contains two holes top drill went bottom drill came out Fortunately 5/64-in diameter drill missed bone So much injury did happen own carelessness trying drill hole through steel strip used scale tailwheel leaf spring Monocoupe 90A open months column story own misfortune just show no holier thou other hand perhaps guardian angel saw fit guide drill away finger bone because good work reducing preventing injuries Whatever next time will use vise hold part being drilled first subject month concerns engines start dont expect prevalent power plant model aircraft US glow plug motor engines require application battery light glow plug before can started Correct Most time yes although have heard tales glow engines started application battery also have heard cases spontaneous starting upon application battery glow plug prop being flipped Rare perhaps can happen mixture cylinder piston point just over top center main concern however rise popularity magnetoignition engine diesel correspondant submitted details following injury-produc ing incident members serious accident last week chainsaw-type-engine powered Byron Pius on-board starter club members agree accident should publicized hopes preventing recurrence possibly serious injury owner Pitts run engine week before accident believed out ofkel Pitts basement floor owner wanted demonstrate on-board starter friend owners two boys ages five seven also basement Although Pitts properly equipped ignition switch nor checked OFF position Owner proceeded demonstrate onboard starter cranked engine five-year-old son walked toward plane cranking stopped Son cautioned get away moved backward still front aircraft although noticeable father Cranking resumed engine started -throttle higher aircraft leaped forward striking water tank five-year-old small finger left hand cut oft bright note unfortunate accident happened visiting specialist local hospital reattached finger time boy can move finger looks good future feel story highlights respect anyone operating chainsaw engines should give power plants Treat would full-scale aircraft engine Perhaps should go through check list least standardized safety routine before attempt made turn over engine whatever reason Another similar incident involving base ment start-up chainsaw engine happened friend Fortunately case no injury resulted friend discussing merits recently-completed Giant Scale model another club member model equipped #% #kJ FLjp engine cannibalized chainsaw fitted magneto kill switch Low throttle trim used stop motor As previous incident fuel tank believed empty throttle least partially open radio turned During course conversation prop flipped motor sprang life Fortunately friend able arrest model prevent eating hole basement wall However means stop motor radio transmitteralong two other identical transmitters different frequen cieswas shelf some distance model After some scrambling visiting club member able locate correct transmitter switch receiver kill engine Since no injury resulted incident made amusing story next club meeting think will agree however tragic ending could have result Before leaving subject magneto ignition chainsaw-type engines let us state opinion firmly believe users such power plants should equlp ignition switch would recommend both switch located model can operated radio transmitter Better safe sorry diesel engine source power model aircraft appears enjoying rapid increase popularity no doubt because success Bob Davis line diesel head conversions glow engines Prior coming USA 1962 never owned glow plug engine power models equipped diesels sort another engines have always popular Europe models requiring small power plants say up 015 cu 12 Model Aviation (N 1 CLEAN YOUR GLASSES ARHWJ in A lot US modelers have talked believe diesels hard start True dont know what doing ow engines inexperienced beginner couple letters have received incidents involving injury near-injury show us given right settings mixture compression diesels can start first flip prop Ken Asman Willits CA learned hard way easily diesel can start Ken terminated CL flying session rather hurriedly due sudden onset thunderstorm will let Ken tell rest story Back shop airplane cleaned up ready hang its rack realized fuel hadnt run out tank So carry Out shed put ground flipped prop roar Webra 09 Rekord startled lost hold plane got right wrist fairly gnawed before engine stopped Whoever heard cold diesel starting first flip I can assure now diesel will treated exactly like loaded pistol Suppose instance started during cleanup operation shop totally unprepared what Davis 60-FSR conversion People accustomed glow plug engines too likely forget diesel Fuel pression Combustion trace fuel cylinder crankcase can produce terrific burst power someone carelessly pulls engine through current increased inter est diesel power especially larger engine conversions seems hazard inadvertant starting should emphasized Another letter Jerry Farr Abilene TX tells similar story Jerrys case managed retain hold model result scare house full diesel fumes Maybe should make habit always letting tank run dry after operating diesel good practice types engine Like myself Jerry wears eyeglasses letter documents some experiences people blessed 20/20 vision dont have contend example Eyeglasses real trouble spot dont keep clean rag wipe get fuel Amen Its amazing much ones vision dims grimy specs about saw friend crash RC Pattern plane because wasp landed glasses never figured out trying keep getting stung oriust move could see us both smoke wear glasses flying Scale ukie rare windless day cigarette smoke got under glasses blinded just long enough ding beautiful airplane risk sticking neck out having chopped off reader going mention topic used Jerry close letter drinking alcoholic beverages flying model aircraft us have done continue clubs prohibit drinking flying field others turn blind eye know drinking impairs ones reflexes doubt us would want vicinity flier legally drunk differentiate between legally drunk slightly impaired Obviously cant unless happen have breathalizer part equipment field box answer course Dont Drink Fly involved accident will never know Continued page 108 NEW Sport Scale 1947 STINSON VOYAGER I lotNORTHERNCALIFORNIASLARGESTN DISCOUNT HOBBY SHOPI well FUELyou New high film strength lubricant U increased power engine life Highest qualily ingredients Deteroent action cut varnish I II II II II II II II II II II II IHOURS Monday thru Wednesday 9 .iLJ-O iu Iflursday U ridciy 9 JU-aUUI L --rnrn Saturday930-600Sunday 1200-5005 June 1981 13 Includes specially cesignee ma mount anal sum ooauiieu Easteraft Lecsa-start 5aner sold sepaas.. vacuum formed fins rudde top quality aircraft has designed ground up pre-cut interlocking aircraft-quality plywood AAA balsa maximum strenath easy construction 9RF joehe6eqsute.and exfe#zt WRITE FOR COMPLETE PRODUCT LISTING MANUFACTURERS AND DEALERS INQUIRIES INVITED SPECIAL SIZES AVAILABLE ADD $300 FOR POSTAGE AND HANDLING NMG MODELS INC P 0 BOX 396 BY MD 20657 301 326-2554 KIORITZ Deep Fins Optimum Cooling 21/4 Flywheel Small Magneto 1 5/am Six Bo Aluminum Hub Endorsed Don Godfrey Phone 607 722-1765 Pre-Drilled Props Available Ask About Custom Built KIORITZ Engines Carb Needles &Throttle Accessible Running Points Sealed Rear Housing $189 Pre-Paid Orders Pay Shipping Dealer Inquiries Welcome Year Limited Warranty Safety Preston Continued page 13 could have avoided cool refreshing prior takeoff FAA has strict rules about drinking flying full-scale ones shouldnt close months column would like say pleased learn AMA Executive Council approved formation Safety Committee its last meeting January 31 have asked member committee have accepted Others represent ing different facets hobby have also asked until hear has accepted will mention names Most mail subject Safety Committee has come readers very much favor idea BALSA SHEETS 4x48xr/1649 4x48x3A3252 4x48x%62 4x48x3/is74 4x48x90 4x48x1/2108 6x48x/r74 6x48x3As278 6x48x/s93 6x48x3/is111 6x48x135 6x48x162 PLYWOOD 6x48x1/as125 6x48x/16136 6x48x3/2175 6x48x185 6x48x3/is240 6x48x280 BALSA BLOCKS 1x2x2462 1x3x2486 1x4x24126 2x2x2486 2x3x24126 3x3x24240 ENGINES BY GIBBS HOBBY & RESEARCH Original Developer Factory Trained Authorized Master Service Dealer SPECIFICATIONS 242 Cu 397CC 32 HP 8000 rpm Weight 61/2 lb Ball Bearings Crank Caged Rollers Rod Piston Pin Walbro Pump Garb 3 Ring Piston GIBBS HOBBY & RESEARCH 6195 HilIfield StNW N CANTON OHIO 44720 Phone216499-8854 After6 OOPMJ Accept Visa & Master Card Only letter voiced objectionon grounds would generate unenforceable regulations Such regulations could cause rise price certain hobby products no increase safety same letter suggested A committee sole purpose education might useful effective agree goals Safety Committee should educate modelers following safe practices dont feel should sole aim committee Show Team members generally upset what believed hasty action part Executive Council its overall ban use pyrotechnics model airshows ban has now replaced operating guidelines use pyrotechnics airshows believe issues such type things Safety Committee should handle As happens Air Show team member has asked sit committee Another issue believe should referred Safety Committee concerns new rules FAI Pylon Racing class F3D bulk rules published Bill Hagers column April issue MA However understand rules also stipulate on-course officials competitors must wear crash helmet chin strap rules also state helmet must able wit hstand impact ofa flying Pylon model No suggesting Safety Committee should conduct tests live volunteers determine helments currently market will meet requirement What suggest committee come up workable interpretation require ment number different safety standards helmets already existence suggest committee should determine would result helmets come closest fulfilling spirit FAI require ment Whether course officials competitors FAI Pylon races held US must wear approved helmet another issue would also need resolution Any comments Till next month have safe John Preston c/o ModelAviation 815 Fifieenth St N W Washington DC 20005 Fun/Winter Continued page 18 wing Quad Twin 15 grass field takeoffs Heinz tells us instead dropping resistor Spit cruise power switches off two four motors Way go Will Connie No power loss added drain extended cruise will possible Hoping 10 minutes Lots guysbut thats month September 5-7 last European Champion ships F3E Electro Flight held Amay Belgium 66 entrants flew official FAI rules become effective January 1 1983 AMA rule book may have refer book follow discus sion However European Championships Class F3B Stand-Off Scale also flown rules AMA bookapparently pro visional experimental rules F3B cable launch replaced 60sec motor run following tasks completed within 15 minutes speed dura tion precision landing Also provisional pylon race four models around three pylons two 180-meter legs 40-meter base leg race consisting 10 laps Youll have forgive rambling because post-contest booklet fragmented four languages moment have AMA copy illustration pattem type event alas well have leave later Since official rules F3E AMA rule book include flight diagram weve redrawn contest book gives some indication state-of-the-art Europe some rather wild things have going trickle information reaching country Bear mind FAI rules permit up 2325 sq area 11-lb weight permissible loading between 393 2459 oz/sq ft Some resultant flying power houses mind boggling carefully read caption under diagram youll find impli cations electric give task trythere could World Champs some near-future day 108 Model Aviation THE CHEROKEE THE REAPER BalsaBalsa Fuselage Fast Assembly Slow FlyingSheeted Foam Core Wing 3-4 Channels4-6 Channels 19-25 Engine40-60 Engine $6995
Edition: Model Aviation - 1981/06
Page Numbers: 12, 13, 108
I-1fLI1 COMES FIRST Extreme danger models fuel tank empty after finish flying have kill-switch magneto-ignition 1/4. Scale engine Diesels can start first flip 0 John Preston IT REALLY pains us write months column Since never took typing course school rely use forefingers bang keys Unfor tunately right forefin ger contains two holes top drill went bottom drill came out Fortunately 5/64-in diameter drill missed bone So much injury did happen own carelessness trying drill hole through steel strip used scale tailwheel leaf spring Monocoupe 90A open months column story own misfortune just show no holier thou other hand perhaps guardian angel saw fit guide drill away finger bone because good work reducing preventing injuries Whatever next time will use vise hold part being drilled first subject month concerns engines start dont expect prevalent power plant model aircraft US glow plug motor engines require application battery light glow plug before can started Correct Most time yes although have heard tales glow engines started application battery also have heard cases spontaneous starting upon application battery glow plug prop being flipped Rare perhaps can happen mixture cylinder piston point just over top center main concern however rise popularity magnetoignition engine diesel correspondant submitted details following injury-produc ing incident members serious accident last week chainsaw-type-engine powered Byron Pius on-board starter club members agree accident should publicized hopes preventing recurrence possibly serious injury owner Pitts run engine week before accident believed out ofkel Pitts basement floor owner wanted demonstrate on-board starter friend owners two boys ages five seven also basement Although Pitts properly equipped ignition switch nor checked OFF position Owner proceeded demonstrate onboard starter cranked engine five-year-old son walked toward plane cranking stopped Son cautioned get away moved backward still front aircraft although noticeable father Cranking resumed engine started -throttle higher aircraft leaped forward striking water tank five-year-old small finger left hand cut oft bright note unfortunate accident happened visiting specialist local hospital reattached finger time boy can move finger looks good future feel story highlights respect anyone operating chainsaw engines should give power plants Treat would full-scale aircraft engine Perhaps should go through check list least standardized safety routine before attempt made turn over engine whatever reason Another similar incident involving base ment start-up chainsaw engine happened friend Fortunately case no injury resulted friend discussing merits recently-completed Giant Scale model another club member model equipped #% #kJ FLjp engine cannibalized chainsaw fitted magneto kill switch Low throttle trim used stop motor As previous incident fuel tank believed empty throttle least partially open radio turned During course conversation prop flipped motor sprang life Fortunately friend able arrest model prevent eating hole basement wall However means stop motor radio transmitteralong two other identical transmitters different frequen cieswas shelf some distance model After some scrambling visiting club member able locate correct transmitter switch receiver kill engine Since no injury resulted incident made amusing story next club meeting think will agree however tragic ending could have result Before leaving subject magneto ignition chainsaw-type engines let us state opinion firmly believe users such power plants should equlp ignition switch would recommend both switch located model can operated radio transmitter Better safe sorry diesel engine source power model aircraft appears enjoying rapid increase popularity no doubt because success Bob Davis line diesel head conversions glow engines Prior coming USA 1962 never owned glow plug engine power models equipped diesels sort another engines have always popular Europe models requiring small power plants say up 015 cu 12 Model Aviation (N 1 CLEAN YOUR GLASSES ARHWJ in A lot US modelers have talked believe diesels hard start True dont know what doing ow engines inexperienced beginner couple letters have received incidents involving injury near-injury show us given right settings mixture compression diesels can start first flip prop Ken Asman Willits CA learned hard way easily diesel can start Ken terminated CL flying session rather hurriedly due sudden onset thunderstorm will let Ken tell rest story Back shop airplane cleaned up ready hang its rack realized fuel hadnt run out tank So carry Out shed put ground flipped prop roar Webra 09 Rekord startled lost hold plane got right wrist fairly gnawed before engine stopped Whoever heard cold diesel starting first flip I can assure now diesel will treated exactly like loaded pistol Suppose instance started during cleanup operation shop totally unprepared what Davis 60-FSR conversion People accustomed glow plug engines too likely forget diesel Fuel pression Combustion trace fuel cylinder crankcase can produce terrific burst power someone carelessly pulls engine through current increased inter est diesel power especially larger engine conversions seems hazard inadvertant starting should emphasized Another letter Jerry Farr Abilene TX tells similar story Jerrys case managed retain hold model result scare house full diesel fumes Maybe should make habit always letting tank run dry after operating diesel good practice types engine Like myself Jerry wears eyeglasses letter documents some experiences people blessed 20/20 vision dont have contend example Eyeglasses real trouble spot dont keep clean rag wipe get fuel Amen Its amazing much ones vision dims grimy specs about saw friend crash RC Pattern plane because wasp landed glasses never figured out trying keep getting stung oriust move could see us both smoke wear glasses flying Scale ukie rare windless day cigarette smoke got under glasses blinded just long enough ding beautiful airplane risk sticking neck out having chopped off reader going mention topic used Jerry close letter drinking alcoholic beverages flying model aircraft us have done continue clubs prohibit drinking flying field others turn blind eye know drinking impairs ones reflexes doubt us would want vicinity flier legally drunk differentiate between legally drunk slightly impaired Obviously cant unless happen have breathalizer part equipment field box answer course Dont Drink Fly involved accident will never know Continued page 108 NEW Sport Scale 1947 STINSON VOYAGER I lotNORTHERNCALIFORNIASLARGESTN DISCOUNT HOBBY SHOPI well FUELyou New high film strength lubricant U increased power engine life Highest qualily ingredients Deteroent action cut varnish I II II II II II II II II II II II IHOURS Monday thru Wednesday 9 .iLJ-O iu Iflursday U ridciy 9 JU-aUUI L --rnrn Saturday930-600Sunday 1200-5005 June 1981 13 Includes specially cesignee ma mount anal sum ooauiieu Easteraft Lecsa-start 5aner sold sepaas.. vacuum formed fins rudde top quality aircraft has designed ground up pre-cut interlocking aircraft-quality plywood AAA balsa maximum strenath easy construction 9RF joehe6eqsute.and exfe#zt WRITE FOR COMPLETE PRODUCT LISTING MANUFACTURERS AND DEALERS INQUIRIES INVITED SPECIAL SIZES AVAILABLE ADD $300 FOR POSTAGE AND HANDLING NMG MODELS INC P 0 BOX 396 BY MD 20657 301 326-2554 KIORITZ Deep Fins Optimum Cooling 21/4 Flywheel Small Magneto 1 5/am Six Bo Aluminum Hub Endorsed Don Godfrey Phone 607 722-1765 Pre-Drilled Props Available Ask About Custom Built KIORITZ Engines Carb Needles &Throttle Accessible Running Points Sealed Rear Housing $189 Pre-Paid Orders Pay Shipping Dealer Inquiries Welcome Year Limited Warranty Safety Preston Continued page 13 could have avoided cool refreshing prior takeoff FAA has strict rules about drinking flying full-scale ones shouldnt close months column would like say pleased learn AMA Executive Council approved formation Safety Committee its last meeting January 31 have asked member committee have accepted Others represent ing different facets hobby have also asked until hear has accepted will mention names Most mail subject Safety Committee has come readers very much favor idea BALSA SHEETS 4x48xr/1649 4x48x3A3252 4x48x%62 4x48x3/is74 4x48x90 4x48x1/2108 6x48x/r74 6x48x3As278 6x48x/s93 6x48x3/is111 6x48x135 6x48x162 PLYWOOD 6x48x1/as125 6x48x/16136 6x48x3/2175 6x48x185 6x48x3/is240 6x48x280 BALSA BLOCKS 1x2x2462 1x3x2486 1x4x24126 2x2x2486 2x3x24126 3x3x24240 ENGINES BY GIBBS HOBBY & RESEARCH Original Developer Factory Trained Authorized Master Service Dealer SPECIFICATIONS 242 Cu 397CC 32 HP 8000 rpm Weight 61/2 lb Ball Bearings Crank Caged Rollers Rod Piston Pin Walbro Pump Garb 3 Ring Piston GIBBS HOBBY & RESEARCH 6195 HilIfield StNW N CANTON OHIO 44720 Phone216499-8854 After6 OOPMJ Accept Visa & Master Card Only letter voiced objectionon grounds would generate unenforceable regulations Such regulations could cause rise price certain hobby products no increase safety same letter suggested A committee sole purpose education might useful effective agree goals Safety Committee should educate modelers following safe practices dont feel should sole aim committee Show Team members generally upset what believed hasty action part Executive Council its overall ban use pyrotechnics model airshows ban has now replaced operating guidelines use pyrotechnics airshows believe issues such type things Safety Committee should handle As happens Air Show team member has asked sit committee Another issue believe should referred Safety Committee concerns new rules FAI Pylon Racing class F3D bulk rules published Bill Hagers column April issue MA However understand rules also stipulate on-course officials competitors must wear crash helmet chin strap rules also state helmet must able wit hstand impact ofa flying Pylon model No suggesting Safety Committee should conduct tests live volunteers determine helments currently market will meet requirement What suggest committee come up workable interpretation require ment number different safety standards helmets already existence suggest committee should determine would result helmets come closest fulfilling spirit FAI require ment Whether course officials competitors FAI Pylon races held US must wear approved helmet another issue would also need resolution Any comments Till next month have safe John Preston c/o ModelAviation 815 Fifieenth St N W Washington DC 20005 Fun/Winter Continued page 18 wing Quad Twin 15 grass field takeoffs Heinz tells us instead dropping resistor Spit cruise power switches off two four motors Way go Will Connie No power loss added drain extended cruise will possible Hoping 10 minutes Lots guysbut thats month September 5-7 last European Champion ships F3E Electro Flight held Amay Belgium 66 entrants flew official FAI rules become effective January 1 1983 AMA rule book may have refer book follow discus sion However European Championships Class F3B Stand-Off Scale also flown rules AMA bookapparently pro visional experimental rules F3B cable launch replaced 60sec motor run following tasks completed within 15 minutes speed dura tion precision landing Also provisional pylon race four models around three pylons two 180-meter legs 40-meter base leg race consisting 10 laps Youll have forgive rambling because post-contest booklet fragmented four languages moment have AMA copy illustration pattem type event alas well have leave later Since official rules F3E AMA rule book include flight diagram weve redrawn contest book gives some indication state-of-the-art Europe some rather wild things have going trickle information reaching country Bear mind FAI rules permit up 2325 sq area 11-lb weight permissible loading between 393 2459 oz/sq ft Some resultant flying power houses mind boggling carefully read caption under diagram youll find impli cations electric give task trythere could World Champs some near-future day 108 Model Aviation THE CHEROKEE THE REAPER BalsaBalsa Fuselage Fast Assembly Slow FlyingSheeted Foam Core Wing 3-4 Channels4-6 Channels 19-25 Engine40-60 Engine $6995
Edition: Model Aviation - 1981/06
Page Numbers: 12, 13, 108
I-1fLI1 COMES FIRST Extreme danger models fuel tank empty after finish flying have kill-switch magneto-ignition 1/4. Scale engine Diesels can start first flip 0 John Preston IT REALLY pains us write months column Since never took typing course school rely use forefingers bang keys Unfor tunately right forefin ger contains two holes top drill went bottom drill came out Fortunately 5/64-in diameter drill missed bone So much injury did happen own carelessness trying drill hole through steel strip used scale tailwheel leaf spring Monocoupe 90A open months column story own misfortune just show no holier thou other hand perhaps guardian angel saw fit guide drill away finger bone because good work reducing preventing injuries Whatever next time will use vise hold part being drilled first subject month concerns engines start dont expect prevalent power plant model aircraft US glow plug motor engines require application battery light glow plug before can started Correct Most time yes although have heard tales glow engines started application battery also have heard cases spontaneous starting upon application battery glow plug prop being flipped Rare perhaps can happen mixture cylinder piston point just over top center main concern however rise popularity magnetoignition engine diesel correspondant submitted details following injury-produc ing incident members serious accident last week chainsaw-type-engine powered Byron Pius on-board starter club members agree accident should publicized hopes preventing recurrence possibly serious injury owner Pitts run engine week before accident believed out ofkel Pitts basement floor owner wanted demonstrate on-board starter friend owners two boys ages five seven also basement Although Pitts properly equipped ignition switch nor checked OFF position Owner proceeded demonstrate onboard starter cranked engine five-year-old son walked toward plane cranking stopped Son cautioned get away moved backward still front aircraft although noticeable father Cranking resumed engine started -throttle higher aircraft leaped forward striking water tank five-year-old small finger left hand cut oft bright note unfortunate accident happened visiting specialist local hospital reattached finger time boy can move finger looks good future feel story highlights respect anyone operating chainsaw engines should give power plants Treat would full-scale aircraft engine Perhaps should go through check list least standardized safety routine before attempt made turn over engine whatever reason Another similar incident involving base ment start-up chainsaw engine happened friend Fortunately case no injury resulted friend discussing merits recently-completed Giant Scale model another club member model equipped #% #kJ FLjp engine cannibalized chainsaw fitted magneto kill switch Low throttle trim used stop motor As previous incident fuel tank believed empty throttle least partially open radio turned During course conversation prop flipped motor sprang life Fortunately friend able arrest model prevent eating hole basement wall However means stop motor radio transmitteralong two other identical transmitters different frequen cieswas shelf some distance model After some scrambling visiting club member able locate correct transmitter switch receiver kill engine Since no injury resulted incident made amusing story next club meeting think will agree however tragic ending could have result Before leaving subject magneto ignition chainsaw-type engines let us state opinion firmly believe users such power plants should equlp ignition switch would recommend both switch located model can operated radio transmitter Better safe sorry diesel engine source power model aircraft appears enjoying rapid increase popularity no doubt because success Bob Davis line diesel head conversions glow engines Prior coming USA 1962 never owned glow plug engine power models equipped diesels sort another engines have always popular Europe models requiring small power plants say up 015 cu 12 Model Aviation (N 1 CLEAN YOUR GLASSES ARHWJ in A lot US modelers have talked believe diesels hard start True dont know what doing ow engines inexperienced beginner couple letters have received incidents involving injury near-injury show us given right settings mixture compression diesels can start first flip prop Ken Asman Willits CA learned hard way easily diesel can start Ken terminated CL flying session rather hurriedly due sudden onset thunderstorm will let Ken tell rest story Back shop airplane cleaned up ready hang its rack realized fuel hadnt run out tank So carry Out shed put ground flipped prop roar Webra 09 Rekord startled lost hold plane got right wrist fairly gnawed before engine stopped Whoever heard cold diesel starting first flip I can assure now diesel will treated exactly like loaded pistol Suppose instance started during cleanup operation shop totally unprepared what Davis 60-FSR conversion People accustomed glow plug engines too likely forget diesel Fuel pression Combustion trace fuel cylinder crankcase can produce terrific burst power someone carelessly pulls engine through current increased inter est diesel power especially larger engine conversions seems hazard inadvertant starting should emphasized Another letter Jerry Farr Abilene TX tells similar story Jerrys case managed retain hold model result scare house full diesel fumes Maybe should make habit always letting tank run dry after operating diesel good practice types engine Like myself Jerry wears eyeglasses letter documents some experiences people blessed 20/20 vision dont have contend example Eyeglasses real trouble spot dont keep clean rag wipe get fuel Amen Its amazing much ones vision dims grimy specs about saw friend crash RC Pattern plane because wasp landed glasses never figured out trying keep getting stung oriust move could see us both smoke wear glasses flying Scale ukie rare windless day cigarette smoke got under glasses blinded just long enough ding beautiful airplane risk sticking neck out having chopped off reader going mention topic used Jerry close letter drinking alcoholic beverages flying model aircraft us have done continue clubs prohibit drinking flying field others turn blind eye know drinking impairs ones reflexes doubt us would want vicinity flier legally drunk differentiate between legally drunk slightly impaired Obviously cant unless happen have breathalizer part equipment field box answer course Dont Drink Fly involved accident will never know Continued page 108 NEW Sport Scale 1947 STINSON VOYAGER I lotNORTHERNCALIFORNIASLARGESTN DISCOUNT HOBBY SHOPI well FUELyou New high film strength lubricant U increased power engine life Highest qualily ingredients Deteroent action cut varnish I II II II II II II II II II II II IHOURS Monday thru Wednesday 9 .iLJ-O iu Iflursday U ridciy 9 JU-aUUI L --rnrn Saturday930-600Sunday 1200-5005 June 1981 13 Includes specially cesignee ma mount anal sum ooauiieu Easteraft Lecsa-start 5aner sold sepaas.. vacuum formed fins rudde top quality aircraft has designed ground up pre-cut interlocking aircraft-quality plywood AAA balsa maximum strenath easy construction 9RF joehe6eqsute.and exfe#zt WRITE FOR COMPLETE PRODUCT LISTING MANUFACTURERS AND DEALERS INQUIRIES INVITED SPECIAL SIZES AVAILABLE ADD $300 FOR POSTAGE AND HANDLING NMG MODELS INC P 0 BOX 396 BY MD 20657 301 326-2554 KIORITZ Deep Fins Optimum Cooling 21/4 Flywheel Small Magneto 1 5/am Six Bo Aluminum Hub Endorsed Don Godfrey Phone 607 722-1765 Pre-Drilled Props Available Ask About Custom Built KIORITZ Engines Carb Needles &Throttle Accessible Running Points Sealed Rear Housing $189 Pre-Paid Orders Pay Shipping Dealer Inquiries Welcome Year Limited Warranty Safety Preston Continued page 13 could have avoided cool refreshing prior takeoff FAA has strict rules about drinking flying full-scale ones shouldnt close months column would like say pleased learn AMA Executive Council approved formation Safety Committee its last meeting January 31 have asked member committee have accepted Others represent ing different facets hobby have also asked until hear has accepted will mention names Most mail subject Safety Committee has come readers very much favor idea BALSA SHEETS 4x48xr/1649 4x48x3A3252 4x48x%62 4x48x3/is74 4x48x90 4x48x1/2108 6x48x/r74 6x48x3As278 6x48x/s93 6x48x3/is111 6x48x135 6x48x162 PLYWOOD 6x48x1/as125 6x48x/16136 6x48x3/2175 6x48x185 6x48x3/is240 6x48x280 BALSA BLOCKS 1x2x2462 1x3x2486 1x4x24126 2x2x2486 2x3x24126 3x3x24240 ENGINES BY GIBBS HOBBY & RESEARCH Original Developer Factory Trained Authorized Master Service Dealer SPECIFICATIONS 242 Cu 397CC 32 HP 8000 rpm Weight 61/2 lb Ball Bearings Crank Caged Rollers Rod Piston Pin Walbro Pump Garb 3 Ring Piston GIBBS HOBBY & RESEARCH 6195 HilIfield StNW N CANTON OHIO 44720 Phone216499-8854 After6 OOPMJ Accept Visa & Master Card Only letter voiced objectionon grounds would generate unenforceable regulations Such regulations could cause rise price certain hobby products no increase safety same letter suggested A committee sole purpose education might useful effective agree goals Safety Committee should educate modelers following safe practices dont feel should sole aim committee Show Team members generally upset what believed hasty action part Executive Council its overall ban use pyrotechnics model airshows ban has now replaced operating guidelines use pyrotechnics airshows believe issues such type things Safety Committee should handle As happens Air Show team member has asked sit committee Another issue believe should referred Safety Committee concerns new rules FAI Pylon Racing class F3D bulk rules published Bill Hagers column April issue MA However understand rules also stipulate on-course officials competitors must wear crash helmet chin strap rules also state helmet must able wit hstand impact ofa flying Pylon model No suggesting Safety Committee should conduct tests live volunteers determine helments currently market will meet requirement What suggest committee come up workable interpretation require ment number different safety standards helmets already existence suggest committee should determine would result helmets come closest fulfilling spirit FAI require ment Whether course officials competitors FAI Pylon races held US must wear approved helmet another issue would also need resolution Any comments Till next month have safe John Preston c/o ModelAviation 815 Fifieenth St N W Washington DC 20005 Fun/Winter Continued page 18 wing Quad Twin 15 grass field takeoffs Heinz tells us instead dropping resistor Spit cruise power switches off two four motors Way go Will Connie No power loss added drain extended cruise will possible Hoping 10 minutes Lots guysbut thats month September 5-7 last European Champion ships F3E Electro Flight held Amay Belgium 66 entrants flew official FAI rules become effective January 1 1983 AMA rule book may have refer book follow discus sion However European Championships Class F3B Stand-Off Scale also flown rules AMA bookapparently pro visional experimental rules F3B cable launch replaced 60sec motor run following tasks completed within 15 minutes speed dura tion precision landing Also provisional pylon race four models around three pylons two 180-meter legs 40-meter base leg race consisting 10 laps Youll have forgive rambling because post-contest booklet fragmented four languages moment have AMA copy illustration pattem type event alas well have leave later Since official rules F3E AMA rule book include flight diagram weve redrawn contest book gives some indication state-of-the-art Europe some rather wild things have going trickle information reaching country Bear mind FAI rules permit up 2325 sq area 11-lb weight permissible loading between 393 2459 oz/sq ft Some resultant flying power houses mind boggling carefully read caption under diagram youll find impli cations electric give task trythere could World Champs some near-future day 108 Model Aviation THE CHEROKEE THE REAPER BalsaBalsa Fuselage Fast Assembly Slow FlyingSheeted Foam Core Wing 3-4 Channels4-6 Channels 19-25 Engine40-60 Engine $6995