Sport-Aerobatics 0 Ron Van Pulte fine low transmitter receiver bat tery capacity led discovery faulty charger addition finding above defects unit gave several us confidence battery packs radio systems good shape used Rapid Charger feature sev eral times absent mindedness put position having beautiful flying day uncharged batteries continued page 86 THE WARM WEATHER just hit panhandle Florida sunshine blue skies gentle breezes have thinking about being out flying field Im enjoying bit am though will reading two months after written much country will probably still trying shake off effects Winter Hang weather begins improve Spring competitive juices begin flow again look forward first contest season part country means looking toward Hunts ville Alabama early May year Rocket City RC Club will hold 17th annual contest May 7th 8th Last years contest featured efficient flight line arrangement four flight circles set up convenient proximity Two circles runway old Huntsville Airport two parallel taxiway Contest management parking placed grass dian between runway taxiway Everyone liked being center action Several months ago received short note Bob Boucher Astro Flight Inc box also contained RC Sys tem Analyzer-Rapid Charger Bob re quested review After testing unit different RC systems can unconditionally say does just what ads claim probably saved three local airplanes case Analyzer indicated cell receiver battery pack high resistance pack properly charged after normal charging time another set pointed out weak cell transmitter third set checked out June1977 19 -J p Astro Flight markets superb RC System Ana lyzer Rapid Charger Ron says after some very convincing saves Sea text details Seen 9th Annual Eastern States RC JamboreeTop Pusher-engined Rogallo wing Bud Albyt appears have rudder control wing inclination control pivoted strut connected pilots hands Middle J0 Wimbrow presents first-place Pattern award Duane Neefe fancy Southern RC Compensator Bottom Receiving first-place award Sport Biplane Coverite covered Jungmeister Glenn Bussman WRAMS photographs Harry Clayton FF Duration/Mouser Continued page S8 Models far one-man basement opera tion carries nice line models Top line 28-in Gere Sport FE single-channel RC rubber electric gas power Mainstay line however line Peanut Scale models far includes Gere Sport P-47D P-19 Army Air Force trainer Grumman Hellcat Other models hardware items such balsa stripper works Gere Sport kit examined seemed good quality Printed sheetwood C-grain correct hardness stripwood uniform nicely cut Hardware includes plastic prop thrust button vac-formed scale wheel halves four em plastic windshield material wire parts Tissue top quality Nose opening bit small liking could easily enlarged Plans appear adequate accurate Price Peanuts $375 plus 75 handling 5% tax Massachusetts residents hobby shop doesnt stock order direct G D Models PO Box C Acushnet MA 02743 Send stamped self-addressed envelope price list Bob Meuser 4200 Gregory St Oak land CA 94619 RC Sport/Van Putte continued page 19 Astro Flight RC System AnalyzerRapid Charger excellent product am pleased recommend subject products Id also like mention motor mounts produced C B Associates Bob Seigel koff sent two 60-size mounts examination excellent backs engine mounting areas machined beautifully thrust line perpendicular back mount honest zero-zero engine setup easy obtain pressure sand-cast mounts guaranteed replaced ever break tough looking doubt have re place very letter Richard Neveln Berkeley California suggested way handle problem trophy hunters competing classes lower should sug gestion have score determine class belong group would have maximum number points per flight eg 1000 points Novice 1500 Advanced 2000 Expert un limited Masters Everyone would have same maneuver list contest ants would maneuvers could certainly would tend eliminate trophy hunter problem continue haunted what happened few years ago contest run just way seems leading Class now called Novice competition GloBee Stinger cordless self-contained AA starter delivers over 100 starts full charge freeing modelers burd en hauling around heavy separate battery its dangling wires Two 2 VDC recharge able lead acid cells included power 9000 rpm motor 5000 rpm under load enough flywheel action start cranky engines Its resilient drive cup adapts vari ous engines 010 051 cid black high-impact case fuel-proof fluted firm grip Integral flywheel shroud protects motor shaft bearings casual side thrust damage Anti-roll flange also serves finger stop Coaxial type recharge jack pre vents improper terminal connections Match ing 45 VDC charger also available Parts replaceable easily accessible unit sepa rates two halves few screws removed Measures 1 1Ax 1% weighs about 28 oz Introductory package price $3995 both starter charger together batter ies included Fusite Division 6000 Fernview Ave Cincinnati OH 45212 produotreviewpreductrviewproductrviewproductreview last flight too good went top class bottom next us always discovering new different ways use cyanoacrylate ad hesives like Hot Stuff Zap Jet Fast Bond etc Since am no exception Id like share couple Just recently building new sport airplane preparing triangularly shaped rudder balsa grain chosen parallel hinge line ex posed grain angle back rudder couldnt seem get fuzz sanded smooth laid down trail Hot Stuff along edge took couple licks sandpaper elimi nate fuzz last two years have pre paring balsa skins foam wings using cyanoacrylate adhesives prepare dividual sheets cutting will overlap about half inch completed skin rolld foam core edges butt-glued together sanded eliminate gaps turn sheets good side down hold together masking tape turn sheets over apply lipe cyanoacrylate joint tape peeled away will see good side should down taping because adhesive will come off tape stick balsa cyanoacry late hits Thats no problem because youre going put contact cement anyway reminds technique use foam cores wing skins may like try wing core skins ready give coat either polyurethane varnish shellac Both completely compatible poly styrene foam will hurt way reason coating core wing skin keep contact cement penetrating Since con tact cement surface can make skin stick core whatever penetrates wont good polyurethane var nish shellac core skin keeps contact cement up surface will job sticking things together like its supposed An added benefit coatings form vapor barrier between polystyrene foam harmful finish es may use paint wing va por barriers will keep paints eating up foam happen penetrate balsa skin received letter Jerry Adkins Ypsilanti Michigan idea pat tern competition think has lot merit Jerrys slightly edited proposal follows Have ever thought about what takes competitive todays pattern competition First off have expert flier Next must possess retract-equipped 60-powered bomb cause pattern judges wont recognize anything less good fliers lose con tests because flying ratty looking sport ship instead Phoenix racing boys did cant good sport fliers would like give pattern try dont have rich uncle own stock gold Still fliers arent content see times can go under lim bo people Quickie Pattern two classes competition Sportsman Advanced Sportsman class open anyone has placed AMAsanctioned pattern contest AMA Novice pattern will flown minus outside loop Advanced class open still competing AMA Novice pat tern complete Novice pattern will flown Aircraft limitations Quickie 500type craft similar Spickler 500 15-500 Sweet Stick Falcon 56 etc Max 40-size engine no retracts trike gear okay above proposed rules generalizations rules needed keep simple Lets bring piece pattern com petition back average boys What happened days could fly pattern 3-channel ship void needs filled void ex ists somewhere between advanced 86 Model Aviation P R 0 D U CT S N C SViLLE ROAD WiLLOW GROVE PA 19090 6593900 call lithe CRAP TRAP* does exactly what think Finally filter keep modern engines truly clean Call itan IMPURITIES FILTRATION SYSTEM want. call Crap Trap Newer sophisticated carburetors pumps very sensitive fine par ticles can get through filters Crap Trap Heres Crap Trap name purloined model builder Toledo DOUBLE FILTRATIONIncludes two separate filters 100 mesh 007 opening 120 mesh 004 opening Patent Applied MORE FILTER AREABoth filters cup-shaped greatly increase filter capacity COLOR CODEDFuel must go through larger silver mesh first filter out larger partIcles through smaller bronze mesh must WATCH IT WORKFilters encased see-through tubIng CAN TAKE THE HEATThe extruded Teflon casing can handle temperatures up 6000 F 1 Between Tank 2 Between Fuel con tainer Model 3 Between Muffler Tank No need re move tubing tram muttler eee tank Youve got try great new filter believe Watch action enjoy model its cleaner smoother-running engine sport flier average pattern flier Quickie Pattern could fill void speaking ideas several newsletters received have contained good ideas Fun Fly events However favorite thought up some reason no seems like idea sides goes like contestants get planes airborne ar range themselves circle sound whistle contestant passes transmitter man left continues until airplane still up man flying wins event Wonder nobody else likes idea Id like apologize unfortunate typographical error may have con fused some people March 1977 issue Somewhere between pen print ed page caption picture Scott AFB Open House got mixed up know Scott AFB nowhere near New Orleans Crescent City RC Club managed get credited sponsoring display Scott AFB Open House should have Spirits St Louis RC Club St Louis Missouri Ron Van Puue 12 Connie Dr Shallmar FL 32579 Vintage 11/Farrell continued page 8 creases satisfied silk wet-glued perfectly place brush clear dope around periphery structure dope may turn white applied wet surface subsequent doping will cause white areas turn clear Generally apply second coat dope around periphery before silk starts dry shrink Since second coat dope may soften first make sure silk stays wet until second coat dry covering wing cover top first wrap silk around bottom surface keeps overlaps seams bottom Silk should well sealed clear dope before colored paint applied first couple coats clear always criti cal since heavy blotches dope may appear prevent nice smooth finish being obtained trick preventing keep dope very thin first two three coats until voids silk filled After use less thinner apply about three additional coats al ways use some thinner however since prevents brush marks setting up using antique finishing meth od described earlier use clear dope since clear fuel-proof pigmented paint plan paint wing tail surfaces silver have another trick pass along Have noticed dark dull silver paint looks looks like dull chrome finish used some engine castings better cooling Well silver paint can made considerably brighter shinier simply mixing clear dope have used up 25 percent clear some planes Before mixing make sure paints compatible other always best stick brand whenever finishing plane Flying have no special tricks pass along concerning flying Vin 11 plane designed RC train er its resemblance Sommer Monoplane strictly secondary feature could have made look like number different planes alter ing its aerodynamic features 60 engine installed takeoff will take place after 20-foot run After gaining altitude engine can cut back half throttle remainder flight times windless day have set trim controls gradual turn watched plane continuously fly cir cles ever touching stick degree inherent stability believe should single important fea ture trainer continued page 88 June1977 87 writing advertisers mention read about MA
Edition: Model Aviation - 1977/06
Page Numbers: 19, 86, 87
Sport-Aerobatics 0 Ron Van Pulte fine low transmitter receiver bat tery capacity led discovery faulty charger addition finding above defects unit gave several us confidence battery packs radio systems good shape used Rapid Charger feature sev eral times absent mindedness put position having beautiful flying day uncharged batteries continued page 86 THE WARM WEATHER just hit panhandle Florida sunshine blue skies gentle breezes have thinking about being out flying field Im enjoying bit am though will reading two months after written much country will probably still trying shake off effects Winter Hang weather begins improve Spring competitive juices begin flow again look forward first contest season part country means looking toward Hunts ville Alabama early May year Rocket City RC Club will hold 17th annual contest May 7th 8th Last years contest featured efficient flight line arrangement four flight circles set up convenient proximity Two circles runway old Huntsville Airport two parallel taxiway Contest management parking placed grass dian between runway taxiway Everyone liked being center action Several months ago received short note Bob Boucher Astro Flight Inc box also contained RC Sys tem Analyzer-Rapid Charger Bob re quested review After testing unit different RC systems can unconditionally say does just what ads claim probably saved three local airplanes case Analyzer indicated cell receiver battery pack high resistance pack properly charged after normal charging time another set pointed out weak cell transmitter third set checked out June1977 19 -J p Astro Flight markets superb RC System Ana lyzer Rapid Charger Ron says after some very convincing saves Sea text details Seen 9th Annual Eastern States RC JamboreeTop Pusher-engined Rogallo wing Bud Albyt appears have rudder control wing inclination control pivoted strut connected pilots hands Middle J0 Wimbrow presents first-place Pattern award Duane Neefe fancy Southern RC Compensator Bottom Receiving first-place award Sport Biplane Coverite covered Jungmeister Glenn Bussman WRAMS photographs Harry Clayton FF Duration/Mouser Continued page S8 Models far one-man basement opera tion carries nice line models Top line 28-in Gere Sport FE single-channel RC rubber electric gas power Mainstay line however line Peanut Scale models far includes Gere Sport P-47D P-19 Army Air Force trainer Grumman Hellcat Other models hardware items such balsa stripper works Gere Sport kit examined seemed good quality Printed sheetwood C-grain correct hardness stripwood uniform nicely cut Hardware includes plastic prop thrust button vac-formed scale wheel halves four em plastic windshield material wire parts Tissue top quality Nose opening bit small liking could easily enlarged Plans appear adequate accurate Price Peanuts $375 plus 75 handling 5% tax Massachusetts residents hobby shop doesnt stock order direct G D Models PO Box C Acushnet MA 02743 Send stamped self-addressed envelope price list Bob Meuser 4200 Gregory St Oak land CA 94619 RC Sport/Van Putte continued page 19 Astro Flight RC System AnalyzerRapid Charger excellent product am pleased recommend subject products Id also like mention motor mounts produced C B Associates Bob Seigel koff sent two 60-size mounts examination excellent backs engine mounting areas machined beautifully thrust line perpendicular back mount honest zero-zero engine setup easy obtain pressure sand-cast mounts guaranteed replaced ever break tough looking doubt have re place very letter Richard Neveln Berkeley California suggested way handle problem trophy hunters competing classes lower should sug gestion have score determine class belong group would have maximum number points per flight eg 1000 points Novice 1500 Advanced 2000 Expert un limited Masters Everyone would have same maneuver list contest ants would maneuvers could certainly would tend eliminate trophy hunter problem continue haunted what happened few years ago contest run just way seems leading Class now called Novice competition GloBee Stinger cordless self-contained AA starter delivers over 100 starts full charge freeing modelers burd en hauling around heavy separate battery its dangling wires Two 2 VDC recharge able lead acid cells included power 9000 rpm motor 5000 rpm under load enough flywheel action start cranky engines Its resilient drive cup adapts vari ous engines 010 051 cid black high-impact case fuel-proof fluted firm grip Integral flywheel shroud protects motor shaft bearings casual side thrust damage Anti-roll flange also serves finger stop Coaxial type recharge jack pre vents improper terminal connections Match ing 45 VDC charger also available Parts replaceable easily accessible unit sepa rates two halves few screws removed Measures 1 1Ax 1% weighs about 28 oz Introductory package price $3995 both starter charger together batter ies included Fusite Division 6000 Fernview Ave Cincinnati OH 45212 produotreviewpreductrviewproductrviewproductreview last flight too good went top class bottom next us always discovering new different ways use cyanoacrylate ad hesives like Hot Stuff Zap Jet Fast Bond etc Since am no exception Id like share couple Just recently building new sport airplane preparing triangularly shaped rudder balsa grain chosen parallel hinge line ex posed grain angle back rudder couldnt seem get fuzz sanded smooth laid down trail Hot Stuff along edge took couple licks sandpaper elimi nate fuzz last two years have pre paring balsa skins foam wings using cyanoacrylate adhesives prepare dividual sheets cutting will overlap about half inch completed skin rolld foam core edges butt-glued together sanded eliminate gaps turn sheets good side down hold together masking tape turn sheets over apply lipe cyanoacrylate joint tape peeled away will see good side should down taping because adhesive will come off tape stick balsa cyanoacry late hits Thats no problem because youre going put contact cement anyway reminds technique use foam cores wing skins may like try wing core skins ready give coat either polyurethane varnish shellac Both completely compatible poly styrene foam will hurt way reason coating core wing skin keep contact cement penetrating Since con tact cement surface can make skin stick core whatever penetrates wont good polyurethane var nish shellac core skin keeps contact cement up surface will job sticking things together like its supposed An added benefit coatings form vapor barrier between polystyrene foam harmful finish es may use paint wing va por barriers will keep paints eating up foam happen penetrate balsa skin received letter Jerry Adkins Ypsilanti Michigan idea pat tern competition think has lot merit Jerrys slightly edited proposal follows Have ever thought about what takes competitive todays pattern competition First off have expert flier Next must possess retract-equipped 60-powered bomb cause pattern judges wont recognize anything less good fliers lose con tests because flying ratty looking sport ship instead Phoenix racing boys did cant good sport fliers would like give pattern try dont have rich uncle own stock gold Still fliers arent content see times can go under lim bo people Quickie Pattern two classes competition Sportsman Advanced Sportsman class open anyone has placed AMAsanctioned pattern contest AMA Novice pattern will flown minus outside loop Advanced class open still competing AMA Novice pat tern complete Novice pattern will flown Aircraft limitations Quickie 500type craft similar Spickler 500 15-500 Sweet Stick Falcon 56 etc Max 40-size engine no retracts trike gear okay above proposed rules generalizations rules needed keep simple Lets bring piece pattern com petition back average boys What happened days could fly pattern 3-channel ship void needs filled void ex ists somewhere between advanced 86 Model Aviation P R 0 D U CT S N C SViLLE ROAD WiLLOW GROVE PA 19090 6593900 call lithe CRAP TRAP* does exactly what think Finally filter keep modern engines truly clean Call itan IMPURITIES FILTRATION SYSTEM want. call Crap Trap Newer sophisticated carburetors pumps very sensitive fine par ticles can get through filters Crap Trap Heres Crap Trap name purloined model builder Toledo DOUBLE FILTRATIONIncludes two separate filters 100 mesh 007 opening 120 mesh 004 opening Patent Applied MORE FILTER AREABoth filters cup-shaped greatly increase filter capacity COLOR CODEDFuel must go through larger silver mesh first filter out larger partIcles through smaller bronze mesh must WATCH IT WORKFilters encased see-through tubIng CAN TAKE THE HEATThe extruded Teflon casing can handle temperatures up 6000 F 1 Between Tank 2 Between Fuel con tainer Model 3 Between Muffler Tank No need re move tubing tram muttler eee tank Youve got try great new filter believe Watch action enjoy model its cleaner smoother-running engine sport flier average pattern flier Quickie Pattern could fill void speaking ideas several newsletters received have contained good ideas Fun Fly events However favorite thought up some reason no seems like idea sides goes like contestants get planes airborne ar range themselves circle sound whistle contestant passes transmitter man left continues until airplane still up man flying wins event Wonder nobody else likes idea Id like apologize unfortunate typographical error may have con fused some people March 1977 issue Somewhere between pen print ed page caption picture Scott AFB Open House got mixed up know Scott AFB nowhere near New Orleans Crescent City RC Club managed get credited sponsoring display Scott AFB Open House should have Spirits St Louis RC Club St Louis Missouri Ron Van Puue 12 Connie Dr Shallmar FL 32579 Vintage 11/Farrell continued page 8 creases satisfied silk wet-glued perfectly place brush clear dope around periphery structure dope may turn white applied wet surface subsequent doping will cause white areas turn clear Generally apply second coat dope around periphery before silk starts dry shrink Since second coat dope may soften first make sure silk stays wet until second coat dry covering wing cover top first wrap silk around bottom surface keeps overlaps seams bottom Silk should well sealed clear dope before colored paint applied first couple coats clear always criti cal since heavy blotches dope may appear prevent nice smooth finish being obtained trick preventing keep dope very thin first two three coats until voids silk filled After use less thinner apply about three additional coats al ways use some thinner however since prevents brush marks setting up using antique finishing meth od described earlier use clear dope since clear fuel-proof pigmented paint plan paint wing tail surfaces silver have another trick pass along Have noticed dark dull silver paint looks looks like dull chrome finish used some engine castings better cooling Well silver paint can made considerably brighter shinier simply mixing clear dope have used up 25 percent clear some planes Before mixing make sure paints compatible other always best stick brand whenever finishing plane Flying have no special tricks pass along concerning flying Vin 11 plane designed RC train er its resemblance Sommer Monoplane strictly secondary feature could have made look like number different planes alter ing its aerodynamic features 60 engine installed takeoff will take place after 20-foot run After gaining altitude engine can cut back half throttle remainder flight times windless day have set trim controls gradual turn watched plane continuously fly cir cles ever touching stick degree inherent stability believe should single important fea ture trainer continued page 88 June1977 87 writing advertisers mention read about MA
Edition: Model Aviation - 1977/06
Page Numbers: 19, 86, 87
Sport-Aerobatics 0 Ron Van Pulte fine low transmitter receiver bat tery capacity led discovery faulty charger addition finding above defects unit gave several us confidence battery packs radio systems good shape used Rapid Charger feature sev eral times absent mindedness put position having beautiful flying day uncharged batteries continued page 86 THE WARM WEATHER just hit panhandle Florida sunshine blue skies gentle breezes have thinking about being out flying field Im enjoying bit am though will reading two months after written much country will probably still trying shake off effects Winter Hang weather begins improve Spring competitive juices begin flow again look forward first contest season part country means looking toward Hunts ville Alabama early May year Rocket City RC Club will hold 17th annual contest May 7th 8th Last years contest featured efficient flight line arrangement four flight circles set up convenient proximity Two circles runway old Huntsville Airport two parallel taxiway Contest management parking placed grass dian between runway taxiway Everyone liked being center action Several months ago received short note Bob Boucher Astro Flight Inc box also contained RC Sys tem Analyzer-Rapid Charger Bob re quested review After testing unit different RC systems can unconditionally say does just what ads claim probably saved three local airplanes case Analyzer indicated cell receiver battery pack high resistance pack properly charged after normal charging time another set pointed out weak cell transmitter third set checked out June1977 19 -J p Astro Flight markets superb RC System Ana lyzer Rapid Charger Ron says after some very convincing saves Sea text details Seen 9th Annual Eastern States RC JamboreeTop Pusher-engined Rogallo wing Bud Albyt appears have rudder control wing inclination control pivoted strut connected pilots hands Middle J0 Wimbrow presents first-place Pattern award Duane Neefe fancy Southern RC Compensator Bottom Receiving first-place award Sport Biplane Coverite covered Jungmeister Glenn Bussman WRAMS photographs Harry Clayton FF Duration/Mouser Continued page S8 Models far one-man basement opera tion carries nice line models Top line 28-in Gere Sport FE single-channel RC rubber electric gas power Mainstay line however line Peanut Scale models far includes Gere Sport P-47D P-19 Army Air Force trainer Grumman Hellcat Other models hardware items such balsa stripper works Gere Sport kit examined seemed good quality Printed sheetwood C-grain correct hardness stripwood uniform nicely cut Hardware includes plastic prop thrust button vac-formed scale wheel halves four em plastic windshield material wire parts Tissue top quality Nose opening bit small liking could easily enlarged Plans appear adequate accurate Price Peanuts $375 plus 75 handling 5% tax Massachusetts residents hobby shop doesnt stock order direct G D Models PO Box C Acushnet MA 02743 Send stamped self-addressed envelope price list Bob Meuser 4200 Gregory St Oak land CA 94619 RC Sport/Van Putte continued page 19 Astro Flight RC System AnalyzerRapid Charger excellent product am pleased recommend subject products Id also like mention motor mounts produced C B Associates Bob Seigel koff sent two 60-size mounts examination excellent backs engine mounting areas machined beautifully thrust line perpendicular back mount honest zero-zero engine setup easy obtain pressure sand-cast mounts guaranteed replaced ever break tough looking doubt have re place very letter Richard Neveln Berkeley California suggested way handle problem trophy hunters competing classes lower should sug gestion have score determine class belong group would have maximum number points per flight eg 1000 points Novice 1500 Advanced 2000 Expert un limited Masters Everyone would have same maneuver list contest ants would maneuvers could certainly would tend eliminate trophy hunter problem continue haunted what happened few years ago contest run just way seems leading Class now called Novice competition GloBee Stinger cordless self-contained AA starter delivers over 100 starts full charge freeing modelers burd en hauling around heavy separate battery its dangling wires Two 2 VDC recharge able lead acid cells included power 9000 rpm motor 5000 rpm under load enough flywheel action start cranky engines Its resilient drive cup adapts vari ous engines 010 051 cid black high-impact case fuel-proof fluted firm grip Integral flywheel shroud protects motor shaft bearings casual side thrust damage Anti-roll flange also serves finger stop Coaxial type recharge jack pre vents improper terminal connections Match ing 45 VDC charger also available Parts replaceable easily accessible unit sepa rates two halves few screws removed Measures 1 1Ax 1% weighs about 28 oz Introductory package price $3995 both starter charger together batter ies included Fusite Division 6000 Fernview Ave Cincinnati OH 45212 produotreviewpreductrviewproductrviewproductreview last flight too good went top class bottom next us always discovering new different ways use cyanoacrylate ad hesives like Hot Stuff Zap Jet Fast Bond etc Since am no exception Id like share couple Just recently building new sport airplane preparing triangularly shaped rudder balsa grain chosen parallel hinge line ex posed grain angle back rudder couldnt seem get fuzz sanded smooth laid down trail Hot Stuff along edge took couple licks sandpaper elimi nate fuzz last two years have pre paring balsa skins foam wings using cyanoacrylate adhesives prepare dividual sheets cutting will overlap about half inch completed skin rolld foam core edges butt-glued together sanded eliminate gaps turn sheets good side down hold together masking tape turn sheets over apply lipe cyanoacrylate joint tape peeled away will see good side should down taping because adhesive will come off tape stick balsa cyanoacry late hits Thats no problem because youre going put contact cement anyway reminds technique use foam cores wing skins may like try wing core skins ready give coat either polyurethane varnish shellac Both completely compatible poly styrene foam will hurt way reason coating core wing skin keep contact cement penetrating Since con tact cement surface can make skin stick core whatever penetrates wont good polyurethane var nish shellac core skin keeps contact cement up surface will job sticking things together like its supposed An added benefit coatings form vapor barrier between polystyrene foam harmful finish es may use paint wing va por barriers will keep paints eating up foam happen penetrate balsa skin received letter Jerry Adkins Ypsilanti Michigan idea pat tern competition think has lot merit Jerrys slightly edited proposal follows Have ever thought about what takes competitive todays pattern competition First off have expert flier Next must possess retract-equipped 60-powered bomb cause pattern judges wont recognize anything less good fliers lose con tests because flying ratty looking sport ship instead Phoenix racing boys did cant good sport fliers would like give pattern try dont have rich uncle own stock gold Still fliers arent content see times can go under lim bo people Quickie Pattern two classes competition Sportsman Advanced Sportsman class open anyone has placed AMAsanctioned pattern contest AMA Novice pattern will flown minus outside loop Advanced class open still competing AMA Novice pat tern complete Novice pattern will flown Aircraft limitations Quickie 500type craft similar Spickler 500 15-500 Sweet Stick Falcon 56 etc Max 40-size engine no retracts trike gear okay above proposed rules generalizations rules needed keep simple Lets bring piece pattern com petition back average boys What happened days could fly pattern 3-channel ship void needs filled void ex ists somewhere between advanced 86 Model Aviation P R 0 D U CT S N C SViLLE ROAD WiLLOW GROVE PA 19090 6593900 call lithe CRAP TRAP* does exactly what think Finally filter keep modern engines truly clean Call itan IMPURITIES FILTRATION SYSTEM want. call Crap Trap Newer sophisticated carburetors pumps very sensitive fine par ticles can get through filters Crap Trap Heres Crap Trap name purloined model builder Toledo DOUBLE FILTRATIONIncludes two separate filters 100 mesh 007 opening 120 mesh 004 opening Patent Applied MORE FILTER AREABoth filters cup-shaped greatly increase filter capacity COLOR CODEDFuel must go through larger silver mesh first filter out larger partIcles through smaller bronze mesh must WATCH IT WORKFilters encased see-through tubIng CAN TAKE THE HEATThe extruded Teflon casing can handle temperatures up 6000 F 1 Between Tank 2 Between Fuel con tainer Model 3 Between Muffler Tank No need re move tubing tram muttler eee tank Youve got try great new filter believe Watch action enjoy model its cleaner smoother-running engine sport flier average pattern flier Quickie Pattern could fill void speaking ideas several newsletters received have contained good ideas Fun Fly events However favorite thought up some reason no seems like idea sides goes like contestants get planes airborne ar range themselves circle sound whistle contestant passes transmitter man left continues until airplane still up man flying wins event Wonder nobody else likes idea Id like apologize unfortunate typographical error may have con fused some people March 1977 issue Somewhere between pen print ed page caption picture Scott AFB Open House got mixed up know Scott AFB nowhere near New Orleans Crescent City RC Club managed get credited sponsoring display Scott AFB Open House should have Spirits St Louis RC Club St Louis Missouri Ron Van Puue 12 Connie Dr Shallmar FL 32579 Vintage 11/Farrell continued page 8 creases satisfied silk wet-glued perfectly place brush clear dope around periphery structure dope may turn white applied wet surface subsequent doping will cause white areas turn clear Generally apply second coat dope around periphery before silk starts dry shrink Since second coat dope may soften first make sure silk stays wet until second coat dry covering wing cover top first wrap silk around bottom surface keeps overlaps seams bottom Silk should well sealed clear dope before colored paint applied first couple coats clear always criti cal since heavy blotches dope may appear prevent nice smooth finish being obtained trick preventing keep dope very thin first two three coats until voids silk filled After use less thinner apply about three additional coats al ways use some thinner however since prevents brush marks setting up using antique finishing meth od described earlier use clear dope since clear fuel-proof pigmented paint plan paint wing tail surfaces silver have another trick pass along Have noticed dark dull silver paint looks looks like dull chrome finish used some engine castings better cooling Well silver paint can made considerably brighter shinier simply mixing clear dope have used up 25 percent clear some planes Before mixing make sure paints compatible other always best stick brand whenever finishing plane Flying have no special tricks pass along concerning flying Vin 11 plane designed RC train er its resemblance Sommer Monoplane strictly secondary feature could have made look like number different planes alter ing its aerodynamic features 60 engine installed takeoff will take place after 20-foot run After gaining altitude engine can cut back half throttle remainder flight times windless day have set trim controls gradual turn watched plane continuously fly cir cles ever touching stick degree inherent stability believe should single important fea ture trainer continued page 88 June1977 87 writing advertisers mention read about MA