ONE LAST REMINDER make plans third edition Vintage Champs held again Tucson AZ March 23 24 OldTimer will flown Saturday Nostalgia Sunday two rounds event Come early enjoy great weather excel lent flying site Contact Mike Keville 6109 East Ivyglen Mesa AZ 85205 tel 1-602/9853363 Just finished watching another Windy Urt nowskis videos Called Advanced Trimming Techniques its second trimming se ries Im going get first planned follow-ons Surveying significant de velopments trimming over last few years tape begins tips flying pattern giv ing details maneuver continues discussion airplane trim changes various situations $1495 plus $300 shipping handling tape bargain will repay times over thoroughly recommend way Windys commended professional presentation tape well ed itedgets message across point moves another Contact Windy Pro-Stunt Products 9 Union Ave Little Ferry NJ 07643 tel 1-201/440-0905 have yet join PAMPA should seriously consider membership offer excellent newsletter Stunt News published Don McClave edited Mike Keville ad dition keeping track latest happenings Stunt newsletter has tips adver tisements Contact PAMPA Secretary Tom Mor ris 1019 Creek Trail Anniston AL 36206 phone number membership information 1-205/820-1983 Remember other day found piece /16-ft contest balsa marked 22C got thinking about conservation good balsa Practically speaking very little true contest-grade wood available todays mod eler talking about old 4-to-6-lb/cuft density Youre lucky find low end 6-to-8-lb/cu-ft range days itself should tell acquiring stock usable balsa depends much luck does finding reliable source So have aggressive building up stock stock up must because cardinal rule wood never need pass strange hobby shop look woodpile see good piece size commonly use buy now Youll need someday wont get cheaper Also dont pass up odd sizes especially blocks Last year saw 3 x 4 x 36-in block coun try hobby shop probably fourth time Since covered plastic wrap hadnt taken trouble examine time though asked might scale around piece weighed about 25 oz very close 5-lb wood point look everything Another avenue talk guys sup ply wood cut ownRiley Wooten Lone Star example other folks places such Sig Manufacturing Theyll tell what have preparedonly 50 70 per cent wood will good Thats life can accept odd lengths however24 30 soyou can take home some real finds Sure youll need some pieces 40 inches longer structures such fuselage purposes can get 30 inches less Leave suppliers option may surprised bottom line Buy good stuff its available Lets examine some practical applications Noth ing really new just some reminders sug gestions may help prices increasing rapidly availability thicker sizes di minishing suppliers make profit per unit thinner wood maybe its time rethink some construction techniques Instead traditional top bottom blocks fuselage about molded shells balsacovered foam sheet over formers ap proaches have used before require effort design phase consider models end up thin skin over some type support structure alterna tive technique takes advantage wood have hand makes sense Laminating flat components such fuselage Continued page 173 70 Model Aviation Conoi Line Aerobatics Frank McMiIIan 12106 Gunter Grove San Antonio TX 78231 Winners bygone era Jim Turner kneeling won West Virginia Stunt com- Tom Nlebuhr sleek high-tech J D petition 1952 Fox 35-powered Falcon Based classic John DOtavios Barnstormer George Arthur took second design Sixties Its modernwith Hal deBolt-designed Stuntwagon ized fully enclosed tuned pipe engine Left designer J D Falcon John DOtavios builds em tuned pipes today Heres latest ready finishing Right Before revolution Windy Urtnowskis 1988 Nats entry uses ST 60 Patternmaster technology Big Jim Greenaway Its smooth filer events contest reports especially photos CL Scale activity address very top columnLi CL Aerobatics/McMiIIan Continued page 70 farmers another technique consider As Ive mentioned previous columns thin balsa sand wiches especially centers cut out can provide excellent strength little weight Layers %2 / ply equally well ap plication installing fuselage formers try gluing / x A-in piece across fuse perpendicular former creates Ibeam strengthens piece virtually no weight increase youre planning latest effort also analyze lay out pans grain going oriented What type wood grain will use application suggest scratch-building kit pieces beforehandat least major compo nents accomplishes couple things gets thinking about best piece allows use smaller bits time efficiently Big chunks time secm just hard come wood days triangulating Some months ago column recommended triangulating everything still layout some balsa wing skins foam cov ering saw recently showed grain run ning parallel trailing edge hinge line Though saves some balsa sheet per wing halt still dont recommend Run grain parallel leading edge gives trian gulation makes wing easier sand wind up torsionally stable panel Use triangulation elevators flaps too like cover stabs single piece per sur face use quarter-grain wood achieve desired stiffness solid surfaces run grain parallel trailing edge same effect Now tricky part Balsa alive will move sand paint wet can look stress relief Cut edge sheet true up edge wont necessarily end up true Wet side piece find bows Much depends what well grain wood piece unique maxim Whatever do both sides wood holds true very last coat paint Lets say build wing bows Dont give up happens us El Diablo just finished building major bow over inch set trailing edge course IGLOWaUG DESIGNED Puts sting engine FOR LONGER HIGHER5 Get starts GloBee Unique flat-wound spiral coil element high temperature glass-to-metal seal add up faster ignition increased RPM GloBee plugs specified original engine manufacturers purchased over over again Pylon control line racers find GloBee plugs best GloBee plugs designed fit popular engines used today unavailable locally write call Twinn-K collect pricing & delivery information & FREE Catalog MAKE THE GLOBEE / INDY CONNECTION Twinn-K Inc 10296 W Washington St Indianapolis IN 46231 Telephone 317-839-6579 FAX 317-839-8928 limits heres corrected problem First mixed some ammonia water loosen chemical bonding balsa al low its shape molded After saturating bowed part ammonia-water mixture pinned wing building board tips braced opposite bow Since springback usually about 50 percent used amount about equal opposite bow must admit took few times get right persever ance paid long run technique will work raw balsa part dont try painted surfaces can use twisted fuselages pressure must ap plied opposite existing twist until part completely dryLI CL Speed/Lee Continued page 71 much noise think Ill put wheels use demonstrations air shows grass fields Talking about jets Doug Dahlke friend stunt flier Oshkosh Wisconsin sent clipping news item about some experimental jets believe flown Air Force 1 years ago airplanes powered engines built using five Dyna-Jet heads mounted front 6-in diameter tail pipe about four feet long engines pro duced about 30 pounds thrust mounted Control Line models flown 200ft lines Controls extended through swivel connections pylon flying station out side circle Speeds attained over 200 mph single-engined model speeds werent mentioned twin engine job sound like quarter-scale airplanes before RC craze took over Writing column fun could use input Speed fliers Ive stunt RC modelers call usually looking power and/or better reliability Stunt fliers want smooth steady runs RC fliers want everythingI have never claimed expert can usually get stuff run fairly well bought brand new 05 28 RC engine swap shop other day five bucks Someone tried take apart before running really messed up ring broken pieces chewed up piston sleeve chunks broken out exhaust stack prying screwdriver dont know Serious Helicopter Hot Dogging SjX-Pf PISTON/CYLINDER Superior Horsepower w/ Tuned Pipes True ABC Construction Finest Materials & Workmanship Arch Port Available OS SFN-RFN Other Types & Sizes Available Pattern Racing vi BLI ES Send $1 00 complete Catalogue Engines Accessories PERFORMANCE SPECIALTIES 729-1658 PO Box 4003 Carlsbad CA 92008 March 1991 173
Edition: Model Aviation - 1991/03
Page Numbers: 70, 173
ONE LAST REMINDER make plans third edition Vintage Champs held again Tucson AZ March 23 24 OldTimer will flown Saturday Nostalgia Sunday two rounds event Come early enjoy great weather excel lent flying site Contact Mike Keville 6109 East Ivyglen Mesa AZ 85205 tel 1-602/9853363 Just finished watching another Windy Urt nowskis videos Called Advanced Trimming Techniques its second trimming se ries Im going get first planned follow-ons Surveying significant de velopments trimming over last few years tape begins tips flying pattern giv ing details maneuver continues discussion airplane trim changes various situations $1495 plus $300 shipping handling tape bargain will repay times over thoroughly recommend way Windys commended professional presentation tape well ed itedgets message across point moves another Contact Windy Pro-Stunt Products 9 Union Ave Little Ferry NJ 07643 tel 1-201/440-0905 have yet join PAMPA should seriously consider membership offer excellent newsletter Stunt News published Don McClave edited Mike Keville ad dition keeping track latest happenings Stunt newsletter has tips adver tisements Contact PAMPA Secretary Tom Mor ris 1019 Creek Trail Anniston AL 36206 phone number membership information 1-205/820-1983 Remember other day found piece /16-ft contest balsa marked 22C got thinking about conservation good balsa Practically speaking very little true contest-grade wood available todays mod eler talking about old 4-to-6-lb/cuft density Youre lucky find low end 6-to-8-lb/cu-ft range days itself should tell acquiring stock usable balsa depends much luck does finding reliable source So have aggressive building up stock stock up must because cardinal rule wood never need pass strange hobby shop look woodpile see good piece size commonly use buy now Youll need someday wont get cheaper Also dont pass up odd sizes especially blocks Last year saw 3 x 4 x 36-in block coun try hobby shop probably fourth time Since covered plastic wrap hadnt taken trouble examine time though asked might scale around piece weighed about 25 oz very close 5-lb wood point look everything Another avenue talk guys sup ply wood cut ownRiley Wooten Lone Star example other folks places such Sig Manufacturing Theyll tell what have preparedonly 50 70 per cent wood will good Thats life can accept odd lengths however24 30 soyou can take home some real finds Sure youll need some pieces 40 inches longer structures such fuselage purposes can get 30 inches less Leave suppliers option may surprised bottom line Buy good stuff its available Lets examine some practical applications Noth ing really new just some reminders sug gestions may help prices increasing rapidly availability thicker sizes di minishing suppliers make profit per unit thinner wood maybe its time rethink some construction techniques Instead traditional top bottom blocks fuselage about molded shells balsacovered foam sheet over formers ap proaches have used before require effort design phase consider models end up thin skin over some type support structure alterna tive technique takes advantage wood have hand makes sense Laminating flat components such fuselage Continued page 173 70 Model Aviation Conoi Line Aerobatics Frank McMiIIan 12106 Gunter Grove San Antonio TX 78231 Winners bygone era Jim Turner kneeling won West Virginia Stunt com- Tom Nlebuhr sleek high-tech J D petition 1952 Fox 35-powered Falcon Based classic John DOtavios Barnstormer George Arthur took second design Sixties Its modernwith Hal deBolt-designed Stuntwagon ized fully enclosed tuned pipe engine Left designer J D Falcon John DOtavios builds em tuned pipes today Heres latest ready finishing Right Before revolution Windy Urtnowskis 1988 Nats entry uses ST 60 Patternmaster technology Big Jim Greenaway Its smooth filer events contest reports especially photos CL Scale activity address very top columnLi CL Aerobatics/McMiIIan Continued page 70 farmers another technique consider As Ive mentioned previous columns thin balsa sand wiches especially centers cut out can provide excellent strength little weight Layers %2 / ply equally well ap plication installing fuselage formers try gluing / x A-in piece across fuse perpendicular former creates Ibeam strengthens piece virtually no weight increase youre planning latest effort also analyze lay out pans grain going oriented What type wood grain will use application suggest scratch-building kit pieces beforehandat least major compo nents accomplishes couple things gets thinking about best piece allows use smaller bits time efficiently Big chunks time secm just hard come wood days triangulating Some months ago column recommended triangulating everything still layout some balsa wing skins foam cov ering saw recently showed grain run ning parallel trailing edge hinge line Though saves some balsa sheet per wing halt still dont recommend Run grain parallel leading edge gives trian gulation makes wing easier sand wind up torsionally stable panel Use triangulation elevators flaps too like cover stabs single piece per sur face use quarter-grain wood achieve desired stiffness solid surfaces run grain parallel trailing edge same effect Now tricky part Balsa alive will move sand paint wet can look stress relief Cut edge sheet true up edge wont necessarily end up true Wet side piece find bows Much depends what well grain wood piece unique maxim Whatever do both sides wood holds true very last coat paint Lets say build wing bows Dont give up happens us El Diablo just finished building major bow over inch set trailing edge course IGLOWaUG DESIGNED Puts sting engine FOR LONGER HIGHER5 Get starts GloBee Unique flat-wound spiral coil element high temperature glass-to-metal seal add up faster ignition increased RPM GloBee plugs specified original engine manufacturers purchased over over again Pylon control line racers find GloBee plugs best GloBee plugs designed fit popular engines used today unavailable locally write call Twinn-K collect pricing & delivery information & FREE Catalog MAKE THE GLOBEE / INDY CONNECTION Twinn-K Inc 10296 W Washington St Indianapolis IN 46231 Telephone 317-839-6579 FAX 317-839-8928 limits heres corrected problem First mixed some ammonia water loosen chemical bonding balsa al low its shape molded After saturating bowed part ammonia-water mixture pinned wing building board tips braced opposite bow Since springback usually about 50 percent used amount about equal opposite bow must admit took few times get right persever ance paid long run technique will work raw balsa part dont try painted surfaces can use twisted fuselages pressure must ap plied opposite existing twist until part completely dryLI CL Speed/Lee Continued page 71 much noise think Ill put wheels use demonstrations air shows grass fields Talking about jets Doug Dahlke friend stunt flier Oshkosh Wisconsin sent clipping news item about some experimental jets believe flown Air Force 1 years ago airplanes powered engines built using five Dyna-Jet heads mounted front 6-in diameter tail pipe about four feet long engines pro duced about 30 pounds thrust mounted Control Line models flown 200ft lines Controls extended through swivel connections pylon flying station out side circle Speeds attained over 200 mph single-engined model speeds werent mentioned twin engine job sound like quarter-scale airplanes before RC craze took over Writing column fun could use input Speed fliers Ive stunt RC modelers call usually looking power and/or better reliability Stunt fliers want smooth steady runs RC fliers want everythingI have never claimed expert can usually get stuff run fairly well bought brand new 05 28 RC engine swap shop other day five bucks Someone tried take apart before running really messed up ring broken pieces chewed up piston sleeve chunks broken out exhaust stack prying screwdriver dont know Serious Helicopter Hot Dogging SjX-Pf PISTON/CYLINDER Superior Horsepower w/ Tuned Pipes True ABC Construction Finest Materials & Workmanship Arch Port Available OS SFN-RFN Other Types & Sizes Available Pattern Racing vi BLI ES Send $1 00 complete Catalogue Engines Accessories PERFORMANCE SPECIALTIES 729-1658 PO Box 4003 Carlsbad CA 92008 March 1991 173