DALLAS celebrated things good food tall buildings roller coasters theres also beautiful model flying field north Dallas Its renovated recently real showplace two asphalt two grass flying circles Lots green grass permanent facili ties make great place host Dallas con tests just returned Dallas clubs well-run meets run two summer theyre well worth trip So much preliminaries Lets proceed construction project last month wait Now time make haste slowly Have read instructions studied plans carefully seems very obvious simple thing whats important have good understanding assembly se quence Principally because saves lot time having retrace steps make re pairs could have avoided being pre pared old saw Measure twice cut once really applies price balsa going Out sight Throughout series youre going see lot words relate patient careful craftsman ship Well-built airplanes usually fly better keep up attitude can improve level craftsmanship plane Since Id previously mentioned excellent plans profile kit Forerunner Im going touch some other areas should make plane look fly better First make trial fits parts front end fuselage Make sure engine mounts fit well correct relationship Shim mounts have hard balsa After glue mounts laminate doublers sand edges fuselage plan outline Take opportunity shave some weight off rear thinning out aft portion fu selage As sanding procedures will go better have plan outline follow two ways accomplish same result Mark sanding profile placing scrap balsa building table placing pen felttip job thin tip nice scrap point proper height approximately /I6 sliding edges fuselage against pen uniform line drawn along areas youre going thin Out Flip fuse lage over repeat step now have area both sides can carve shape wood other method accomplishing same end simply hold pen use finger spacer little practice also works well Naturally procedure works equally well surfaces such flaps stabs elevators Round edges now approxi mately % thick finish off fuselage Re member leave stab support full width youre preparing fuselage youve faithful following shaping procedure should have pleasantly streamlined shape just strong ap proximately ounce lighter weight will reduced aft center-of-gravity ex tremely important flying surfaces next focus also accurate thoughtful sanding Forerunners wings foam sheeted balsa care necessary dont want ruin wing Since foam wing has cored center hollowed Out save some weight should avoid sanding surface until youre ready paint since doing would probably deform surface too much pressure Also surface probably quite satisfactory just time look places sand after have followed instructions have two wing panels joined together Note ex tremely important join panels accurately centerline centerline Next get out long sanding block attack trailing edge has straight both aerodynamic mechanical reasons Youd better believe easier align dead-true leading edge youre going sand flaps wing trailing edge also flat tip-to-tip Closely fitting flaps make alrplane fly better hinges will work freely theyre mounted true surface subject hinges should talk about alignment straight true sur faces wing trailing edge flap lead ing edge youre halfway home already Next need find center edges can accurately set hinges Remember want have minimum num ber hinges flaps will deform between hinges placed under load like during maneuvers Use large RC hinges space approximately six seven inches apart hinges should butted against wing trailing edge indentation cut flap leading edge clear hinge knuckle Its really helpful point make up sim ple tool job need some scraps plywood sandpaper piece ply base tool Cut another piece slightly width hinge youre using couple inches long glue some 150-grit garnet paper side surface What youve got really small custommade file cut slot flap need adjust depth slot just slightly deeper hinges pivot knuckle Just keep base plate perpendicular surface move tool up down youll wind up neat uniform slot time way recommendation Id make glue use slow-setting epoxy Ive tried CyA white glue yellow glue five-minute epoxy have disadvantages among failing after plane has some age Before set hinges two things Rough up blades hinges some Continued page 170 62 Model Aviation Confrol Line Aerobatics Frank McMiIIan 12106 Gunter Grove San AntonIo TX 78231 Houston contest Memorial Day weekend Look dead-level circles open spaces Left Frank Williams Lone Star powered SuperTigre 60 Note airflow smoothers mounted elevators Frank also likes un usual cuffed prop heavy winds Center Jack Fox good luck ST 60-powered Karma Hes doing well Advanced class Right Good airplanes just keep going Dick Byrons much-traveled ST 46-powered ship least 14 years old still flies very well flying short-coupled moments ample control surfaces make AT-6 highly re sponsive airplane fly widespaced handle have found need tune down control movements Once test flight over let winds blow True lineage AT-6 good trainer fun fly CL Racing/Ballard Continued page 61 1990 Tucson AZ Events interest us Rac ers Class II Mouse Race Limited Sport Rac ing Texas Quickie Rat Im including photos some winners respective events Annual Rebel Rally recently attended 30th annual Rebel Rally Control Line contest held Jacksonville FL contest held over weekend Most CL events flown including Florida Slow Rat Mouse Race Texas Quickie Lil Wizard Slow Rat kids contest numerous entries some participants young six years fine Junior pilots Russell Whitney am enclosing photo him flying Florida Slow Rat Another photo shows Lickety Split Slow Rat flown Charles Barnes Sr Ft Lauderdale FL uses K&B 58cc engine Look closely photo youll see engine mounted large aluminum plate mini mizes engine vibration steadies fuel flow engine Charles uses swing-weight carbu retor chokes engine ground opens up full bore air Dick Lambert practicing Scale Racers found hot humid air quite similar what expect find forthcoming AMA Nats Illinois found Scale Race engines must turn 27000 rpm ground propeller diameter 6 6% seemed just right smaller di ameter prop will course allow engine turn rpm does pull airplane properly also tried new Nelson heavy-duty onepiece glow plug found distortion and/or frosting element virtually nonexis tent ran plugs almost 300 laps 005 head clearance ~ HANDLING CHARGE Check order Credit Card order $490 COD Order $790 I2 problems element appears hold up much better wire ones used first two pro duction runs particular plug test ing because earlier report heavyduty plug did develop enough heat may case extremely cool day ever temperature high eighties 65% relative humidity plug works very satisfactorily Superfast photos shows Gabe Man fredis Class Mouse Racer turns times five minutes flat less Mouse racer features some unique characteristics profile body laminated piece %-in plywood drilled lightening holes sur faced two sheets very light balsa fin ish extremely sleek wing uses very soft balsa lightweight basswood spar l/ basswood veneer bottom wing added strength resulting flat-bottomed wing extremely light tail piece hard 1A6 balsa Note engine mounts onto thick metal plate reduces engine vibration gives extra margin speed engine uses left handed crankshaft propeller rotates direction opposite what normally see minimize adverse effects engine torque trying roll model toward pilot during takeoff plane gets off very quickiy has excellent flying characteristics under windy conditions As always solicit ideas comments photos use whenever possible really appreciate effort make sending CL Aerobatics/McMiIIan Continued page 62 coarse sandpaper better adhesion spread thin coat Vaseline hinge barrels epoxy wont get Tech tip Lubricating control system point cannot overlook requirement somewhat hidden unless think about little Lubricating part picture Youre asking lubricant penetrate bellcranks bearing points form coating basically stay put perform its function life plane well hope several years Now thats tall order Continued page 174 Em Stock NoDescriptionPriceAmount ITo order ____________ 11 __ I I ____ Sub Total 7% Tax TN Onlyuse Handling ZIIIII order TOTALblank uuruaaStnteZip... call Exp Dnte615 373-1444 MA 170 Model Aviation ElMasterCard ElVisa [JAmerExp Card No IEShip CODElMy Check enclosed ame Street Address City State Zip Youll See * Flying off lake smashing ice * What happens whan hand launch forget turn radio plane * A mplane turn tree4ane * A Rocket engine mourst#to E7mdecker * Four wrecked planes turne0 Twin flewi * And just lot Bad much Dont miss ons oti Send check m 420 L phone 717342-1963 VISA-MASTE CL Aerobatics/McMiIIan Continued page 170 Ordinarily oils will work short periods time dry out couple other choices know will work Use Vaseline some Teflon powder mixed touch warm soldering iron will flow Vaseline bearing cools down will stay put its job will remain solid form normal temper atures use effective long can fly plane Ive got planes over 2000 flights credit controls still free bearings tight Use motorcycle chain lube product comes out its aerosol can foam slowly changes state become gellike have work lube bearing once will stay put CL Scale/Boss Continued page 63 terials time Dougs message should coming through loud clear pays think light build light better flying longer lasting models WarbirdsClassic American Fighters & Bomb ers title book WW II fighter bomber lovers might want add library book Michael OLeary Norman Pealing Mike Jerram compila tion work previously published Gunfighter Bombers OLeary American Warbirds Pealing Warbirds Jerram 239-page work contains over 260 extraordinary color illus trations classic American fighters bombers include P-5 1 P-40 F8F Bearcat F6F Hellcat F4F Wildcat F4U Cor sair P-47 P-38 TBM Avenger AD Skyraider B-25 A-26 PV-2 Harpoon B-26 Marauder A20 Havoc B-17 B-24 B-29 photos book excellent qual ity show much fine detail often look building models book recommended library shelf re search purposes am sure will find photos just what need color documentation purposes 1990 edi tion ISBN 0-517-01218-9 published Mili tary Press distributed Crown Publishers Inc 225 Park Ave South NY NY 10003 found copy local Barnes Noble bookstore cost $20-plus New trim sheets Eagle Products has just intro duced line fuclproof applied per structions trim sheets come four differ ent styles three-color sheet solid fluorescent colors vertical horizontal stripe sheets stripes graduated sizes threecolor sheets have colors complement other ie yellow-orange-red Cub yellowred-gray three-color sheet has large 3In center stripe 3A -in stripe either side center stripe %-in stripe alongside 4-in stripes package contains three 6-in-wide x 27in-long sheets trim sheets can cut desired shape design remove liner stick model following few simple instructions No heat other adhesives required trim sheets may have limited use Scale models am sure will great help dressing up sportflying models Prices range about $17 $23 per package depending type trim sheets specific information product its distribution write Eagle Prod ucts PO Box 4609 Covina CA 91723 tel 1818/339-1311 Caption correction July column pic ture Bill Reynolds Grumman Bearcat credited being taken C Peter Cornils credit should have read Chris Peter Cornils Chris wifes name Chris sorry error Please send ideas notice upcoming CL Scale events contest reports especially photos CL Scale activity address very top column Alignment/Jennings Continued page 67 Draw parallel lines 2% apart 1 x 6-in pine Thats width front end design Yours may different lines run full length 1 x 6-in pine plank Redraw theyre parallel rear bulkhead support fixed support front bulkhead adjustable Cut front bulkhead support fourth corner brace Cut out parts front end bulkheads made aircraft plywood Lite Ply engine bearers x -in hard maple re duce effects drill runout drill en gine mounting holes mounting side Make relief cuts fuel tank maintains relationship between nee dle valve fuel tank centerline Load parts jig trimming sanding No gluing done stage bulkheads must flush en gine bearer edges Check four corners flush fit Sand trim discrepan cies must done before gluing Install engine bolt pattern jig align space engine bearers satisfied fit remove parts jig Lay piece plastic wrap over jig Make two cuts cor ner braces bolt post allows plastic wrap lay flat prevents gluing front end assembly jig Reassem ble parts jig glue gether Use 45-minute epoxy glue joints dry remove assembly jig completed product along en gine fuel tank shown pictures Reinforce intersections assembly 1A-in triangular balsa gus sets Gussets should installed top side engine bearers Install after epoxying blind nuts Notch gussets blind nuts relieve engine mounting bolts may pass through gussets will prevent blind nuts working loose model aircraft can course built such jigs its much difficult Continued page 176 174 Model Aviation RIC FOLLIES PRESENTS Craziest Wacklest Funniest MEFAIpiea Wreeirs YouD Ever Seoul Over 30 Minutes CRASH after CRASH after CRASH
Edition: Model Aviation - 1990/10
Page Numbers: 62, 170, 174
Edition: Model Aviation - 1990/10
Page Numbers: 62, 170, 174
DALLAS celebrated things good food tall buildings roller coasters theres also beautiful model flying field north Dallas Its renovated recently real showplace two asphalt two grass flying circles Lots green grass permanent facili ties make great place host Dallas con tests just returned Dallas clubs well-run meets run two summer theyre well worth trip So much preliminaries Lets proceed construction project last month wait Now time make haste slowly Have read instructions studied plans carefully seems very obvious simple thing whats important have good understanding assembly se quence Principally because saves lot time having retrace steps make re pairs could have avoided being pre pared old saw Measure twice cut once really applies price balsa going Out sight Throughout series youre going see lot words relate patient careful craftsman ship Well-built airplanes usually fly better keep up attitude can improve level craftsmanship plane Since Id previously mentioned excellent plans profile kit Forerunner Im going touch some other areas should make plane look fly better First make trial fits parts front end fuselage Make sure engine mounts fit well correct relationship Shim mounts have hard balsa After glue mounts laminate doublers sand edges fuselage plan outline Take opportunity shave some weight off rear thinning out aft portion fu selage As sanding procedures will go better have plan outline follow two ways accomplish same result Mark sanding profile placing scrap balsa building table placing pen felttip job thin tip nice scrap point proper height approximately /I6 sliding edges fuselage against pen uniform line drawn along areas youre going thin Out Flip fuse lage over repeat step now have area both sides can carve shape wood other method accomplishing same end simply hold pen use finger spacer little practice also works well Naturally procedure works equally well surfaces such flaps stabs elevators Round edges now approxi mately % thick finish off fuselage Re member leave stab support full width youre preparing fuselage youve faithful following shaping procedure should have pleasantly streamlined shape just strong ap proximately ounce lighter weight will reduced aft center-of-gravity ex tremely important flying surfaces next focus also accurate thoughtful sanding Forerunners wings foam sheeted balsa care necessary dont want ruin wing Since foam wing has cored center hollowed Out save some weight should avoid sanding surface until youre ready paint since doing would probably deform surface too much pressure Also surface probably quite satisfactory just time look places sand after have followed instructions have two wing panels joined together Note ex tremely important join panels accurately centerline centerline Next get out long sanding block attack trailing edge has straight both aerodynamic mechanical reasons Youd better believe easier align dead-true leading edge youre going sand flaps wing trailing edge also flat tip-to-tip Closely fitting flaps make alrplane fly better hinges will work freely theyre mounted true surface subject hinges should talk about alignment straight true sur faces wing trailing edge flap lead ing edge youre halfway home already Next need find center edges can accurately set hinges Remember want have minimum num ber hinges flaps will deform between hinges placed under load like during maneuvers Use large RC hinges space approximately six seven inches apart hinges should butted against wing trailing edge indentation cut flap leading edge clear hinge knuckle Its really helpful point make up sim ple tool job need some scraps plywood sandpaper piece ply base tool Cut another piece slightly width hinge youre using couple inches long glue some 150-grit garnet paper side surface What youve got really small custommade file cut slot flap need adjust depth slot just slightly deeper hinges pivot knuckle Just keep base plate perpendicular surface move tool up down youll wind up neat uniform slot time way recommendation Id make glue use slow-setting epoxy Ive tried CyA white glue yellow glue five-minute epoxy have disadvantages among failing after plane has some age Before set hinges two things Rough up blades hinges some Continued page 170 62 Model Aviation Confrol Line Aerobatics Frank McMiIIan 12106 Gunter Grove San AntonIo TX 78231 Houston contest Memorial Day weekend Look dead-level circles open spaces Left Frank Williams Lone Star powered SuperTigre 60 Note airflow smoothers mounted elevators Frank also likes un usual cuffed prop heavy winds Center Jack Fox good luck ST 60-powered Karma Hes doing well Advanced class Right Good airplanes just keep going Dick Byrons much-traveled ST 46-powered ship least 14 years old still flies very well flying short-coupled moments ample control surfaces make AT-6 highly re sponsive airplane fly widespaced handle have found need tune down control movements Once test flight over let winds blow True lineage AT-6 good trainer fun fly CL Racing/Ballard Continued page 61 1990 Tucson AZ Events interest us Rac ers Class II Mouse Race Limited Sport Rac ing Texas Quickie Rat Im including photos some winners respective events Annual Rebel Rally recently attended 30th annual Rebel Rally Control Line contest held Jacksonville FL contest held over weekend Most CL events flown including Florida Slow Rat Mouse Race Texas Quickie Lil Wizard Slow Rat kids contest numerous entries some participants young six years fine Junior pilots Russell Whitney am enclosing photo him flying Florida Slow Rat Another photo shows Lickety Split Slow Rat flown Charles Barnes Sr Ft Lauderdale FL uses K&B 58cc engine Look closely photo youll see engine mounted large aluminum plate mini mizes engine vibration steadies fuel flow engine Charles uses swing-weight carbu retor chokes engine ground opens up full bore air Dick Lambert practicing Scale Racers found hot humid air quite similar what expect find forthcoming AMA Nats Illinois found Scale Race engines must turn 27000 rpm ground propeller diameter 6 6% seemed just right smaller di ameter prop will course allow engine turn rpm does pull airplane properly also tried new Nelson heavy-duty onepiece glow plug found distortion and/or frosting element virtually nonexis tent ran plugs almost 300 laps 005 head clearance ~ HANDLING CHARGE Check order Credit Card order $490 COD Order $790 I2 problems element appears hold up much better wire ones used first two pro duction runs particular plug test ing because earlier report heavyduty plug did develop enough heat may case extremely cool day ever temperature high eighties 65% relative humidity plug works very satisfactorily Superfast photos shows Gabe Man fredis Class Mouse Racer turns times five minutes flat less Mouse racer features some unique characteristics profile body laminated piece %-in plywood drilled lightening holes sur faced two sheets very light balsa fin ish extremely sleek wing uses very soft balsa lightweight basswood spar l/ basswood veneer bottom wing added strength resulting flat-bottomed wing extremely light tail piece hard 1A6 balsa Note engine mounts onto thick metal plate reduces engine vibration gives extra margin speed engine uses left handed crankshaft propeller rotates direction opposite what normally see minimize adverse effects engine torque trying roll model toward pilot during takeoff plane gets off very quickiy has excellent flying characteristics under windy conditions As always solicit ideas comments photos use whenever possible really appreciate effort make sending CL Aerobatics/McMiIIan Continued page 62 coarse sandpaper better adhesion spread thin coat Vaseline hinge barrels epoxy wont get Tech tip Lubricating control system point cannot overlook requirement somewhat hidden unless think about little Lubricating part picture Youre asking lubricant penetrate bellcranks bearing points form coating basically stay put perform its function life plane well hope several years Now thats tall order Continued page 174 Em Stock NoDescriptionPriceAmount ITo order ____________ 11 __ I I ____ Sub Total 7% Tax TN Onlyuse Handling ZIIIII order TOTALblank uuruaaStnteZip... call Exp Dnte615 373-1444 MA 170 Model Aviation ElMasterCard ElVisa [JAmerExp Card No IEShip CODElMy Check enclosed ame Street Address City State Zip Youll See * Flying off lake smashing ice * What happens whan hand launch forget turn radio plane * A mplane turn tree4ane * A Rocket engine mourst#to E7mdecker * Four wrecked planes turne0 Twin flewi * And just lot Bad much Dont miss ons oti Send check m 420 L phone 717342-1963 VISA-MASTE CL Aerobatics/McMiIIan Continued page 170 Ordinarily oils will work short periods time dry out couple other choices know will work Use Vaseline some Teflon powder mixed touch warm soldering iron will flow Vaseline bearing cools down will stay put its job will remain solid form normal temper atures use effective long can fly plane Ive got planes over 2000 flights credit controls still free bearings tight Use motorcycle chain lube product comes out its aerosol can foam slowly changes state become gellike have work lube bearing once will stay put CL Scale/Boss Continued page 63 terials time Dougs message should coming through loud clear pays think light build light better flying longer lasting models WarbirdsClassic American Fighters & Bomb ers title book WW II fighter bomber lovers might want add library book Michael OLeary Norman Pealing Mike Jerram compila tion work previously published Gunfighter Bombers OLeary American Warbirds Pealing Warbirds Jerram 239-page work contains over 260 extraordinary color illus trations classic American fighters bombers include P-5 1 P-40 F8F Bearcat F6F Hellcat F4F Wildcat F4U Cor sair P-47 P-38 TBM Avenger AD Skyraider B-25 A-26 PV-2 Harpoon B-26 Marauder A20 Havoc B-17 B-24 B-29 photos book excellent qual ity show much fine detail often look building models book recommended library shelf re search purposes am sure will find photos just what need color documentation purposes 1990 edi tion ISBN 0-517-01218-9 published Mili tary Press distributed Crown Publishers Inc 225 Park Ave South NY NY 10003 found copy local Barnes Noble bookstore cost $20-plus New trim sheets Eagle Products has just intro duced line fuclproof applied per structions trim sheets come four differ ent styles three-color sheet solid fluorescent colors vertical horizontal stripe sheets stripes graduated sizes threecolor sheets have colors complement other ie yellow-orange-red Cub yellowred-gray three-color sheet has large 3In center stripe 3A -in stripe either side center stripe %-in stripe alongside 4-in stripes package contains three 6-in-wide x 27in-long sheets trim sheets can cut desired shape design remove liner stick model following few simple instructions No heat other adhesives required trim sheets may have limited use Scale models am sure will great help dressing up sportflying models Prices range about $17 $23 per package depending type trim sheets specific information product its distribution write Eagle Prod ucts PO Box 4609 Covina CA 91723 tel 1818/339-1311 Caption correction July column pic ture Bill Reynolds Grumman Bearcat credited being taken C Peter Cornils credit should have read Chris Peter Cornils Chris wifes name Chris sorry error Please send ideas notice upcoming CL Scale events contest reports especially photos CL Scale activity address very top column Alignment/Jennings Continued page 67 Draw parallel lines 2% apart 1 x 6-in pine Thats width front end design Yours may different lines run full length 1 x 6-in pine plank Redraw theyre parallel rear bulkhead support fixed support front bulkhead adjustable Cut front bulkhead support fourth corner brace Cut out parts front end bulkheads made aircraft plywood Lite Ply engine bearers x -in hard maple re duce effects drill runout drill en gine mounting holes mounting side Make relief cuts fuel tank maintains relationship between nee dle valve fuel tank centerline Load parts jig trimming sanding No gluing done stage bulkheads must flush en gine bearer edges Check four corners flush fit Sand trim discrepan cies must done before gluing Install engine bolt pattern jig align space engine bearers satisfied fit remove parts jig Lay piece plastic wrap over jig Make two cuts cor ner braces bolt post allows plastic wrap lay flat prevents gluing front end assembly jig Reassem ble parts jig glue gether Use 45-minute epoxy glue joints dry remove assembly jig completed product along en gine fuel tank shown pictures Reinforce intersections assembly 1A-in triangular balsa gus sets Gussets should installed top side engine bearers Install after epoxying blind nuts Notch gussets blind nuts relieve engine mounting bolts may pass through gussets will prevent blind nuts working loose model aircraft can course built such jigs its much difficult Continued page 176 174 Model Aviation RIC FOLLIES PRESENTS Craziest Wacklest Funniest MEFAIpiea Wreeirs YouD Ever Seoul Over 30 Minutes CRASH after CRASH after CRASH
Edition: Model Aviation - 1990/10
Page Numbers: 62, 170, 174
DALLAS celebrated things good food tall buildings roller coasters theres also beautiful model flying field north Dallas Its renovated recently real showplace two asphalt two grass flying circles Lots green grass permanent facili ties make great place host Dallas con tests just returned Dallas clubs well-run meets run two summer theyre well worth trip So much preliminaries Lets proceed construction project last month wait Now time make haste slowly Have read instructions studied plans carefully seems very obvious simple thing whats important have good understanding assembly se quence Principally because saves lot time having retrace steps make re pairs could have avoided being pre pared old saw Measure twice cut once really applies price balsa going Out sight Throughout series youre going see lot words relate patient careful craftsman ship Well-built airplanes usually fly better keep up attitude can improve level craftsmanship plane Since Id previously mentioned excellent plans profile kit Forerunner Im going touch some other areas should make plane look fly better First make trial fits parts front end fuselage Make sure engine mounts fit well correct relationship Shim mounts have hard balsa After glue mounts laminate doublers sand edges fuselage plan outline Take opportunity shave some weight off rear thinning out aft portion fu selage As sanding procedures will go better have plan outline follow two ways accomplish same result Mark sanding profile placing scrap balsa building table placing pen felttip job thin tip nice scrap point proper height approximately /I6 sliding edges fuselage against pen uniform line drawn along areas youre going thin Out Flip fuse lage over repeat step now have area both sides can carve shape wood other method accomplishing same end simply hold pen use finger spacer little practice also works well Naturally procedure works equally well surfaces such flaps stabs elevators Round edges now approxi mately % thick finish off fuselage Re member leave stab support full width youre preparing fuselage youve faithful following shaping procedure should have pleasantly streamlined shape just strong ap proximately ounce lighter weight will reduced aft center-of-gravity ex tremely important flying surfaces next focus also accurate thoughtful sanding Forerunners wings foam sheeted balsa care necessary dont want ruin wing Since foam wing has cored center hollowed Out save some weight should avoid sanding surface until youre ready paint since doing would probably deform surface too much pressure Also surface probably quite satisfactory just time look places sand after have followed instructions have two wing panels joined together Note ex tremely important join panels accurately centerline centerline Next get out long sanding block attack trailing edge has straight both aerodynamic mechanical reasons Youd better believe easier align dead-true leading edge youre going sand flaps wing trailing edge also flat tip-to-tip Closely fitting flaps make alrplane fly better hinges will work freely theyre mounted true surface subject hinges should talk about alignment straight true sur faces wing trailing edge flap lead ing edge youre halfway home already Next need find center edges can accurately set hinges Remember want have minimum num ber hinges flaps will deform between hinges placed under load like during maneuvers Use large RC hinges space approximately six seven inches apart hinges should butted against wing trailing edge indentation cut flap leading edge clear hinge knuckle Its really helpful point make up sim ple tool job need some scraps plywood sandpaper piece ply base tool Cut another piece slightly width hinge youre using couple inches long glue some 150-grit garnet paper side surface What youve got really small custommade file cut slot flap need adjust depth slot just slightly deeper hinges pivot knuckle Just keep base plate perpendicular surface move tool up down youll wind up neat uniform slot time way recommendation Id make glue use slow-setting epoxy Ive tried CyA white glue yellow glue five-minute epoxy have disadvantages among failing after plane has some age Before set hinges two things Rough up blades hinges some Continued page 170 62 Model Aviation Confrol Line Aerobatics Frank McMiIIan 12106 Gunter Grove San AntonIo TX 78231 Houston contest Memorial Day weekend Look dead-level circles open spaces Left Frank Williams Lone Star powered SuperTigre 60 Note airflow smoothers mounted elevators Frank also likes un usual cuffed prop heavy winds Center Jack Fox good luck ST 60-powered Karma Hes doing well Advanced class Right Good airplanes just keep going Dick Byrons much-traveled ST 46-powered ship least 14 years old still flies very well flying short-coupled moments ample control surfaces make AT-6 highly re sponsive airplane fly widespaced handle have found need tune down control movements Once test flight over let winds blow True lineage AT-6 good trainer fun fly CL Racing/Ballard Continued page 61 1990 Tucson AZ Events interest us Rac ers Class II Mouse Race Limited Sport Rac ing Texas Quickie Rat Im including photos some winners respective events Annual Rebel Rally recently attended 30th annual Rebel Rally Control Line contest held Jacksonville FL contest held over weekend Most CL events flown including Florida Slow Rat Mouse Race Texas Quickie Lil Wizard Slow Rat kids contest numerous entries some participants young six years fine Junior pilots Russell Whitney am enclosing photo him flying Florida Slow Rat Another photo shows Lickety Split Slow Rat flown Charles Barnes Sr Ft Lauderdale FL uses K&B 58cc engine Look closely photo youll see engine mounted large aluminum plate mini mizes engine vibration steadies fuel flow engine Charles uses swing-weight carbu retor chokes engine ground opens up full bore air Dick Lambert practicing Scale Racers found hot humid air quite similar what expect find forthcoming AMA Nats Illinois found Scale Race engines must turn 27000 rpm ground propeller diameter 6 6% seemed just right smaller di ameter prop will course allow engine turn rpm does pull airplane properly also tried new Nelson heavy-duty onepiece glow plug found distortion and/or frosting element virtually nonexis tent ran plugs almost 300 laps 005 head clearance ~ HANDLING CHARGE Check order Credit Card order $490 COD Order $790 I2 problems element appears hold up much better wire ones used first two pro duction runs particular plug test ing because earlier report heavyduty plug did develop enough heat may case extremely cool day ever temperature high eighties 65% relative humidity plug works very satisfactorily Superfast photos shows Gabe Man fredis Class Mouse Racer turns times five minutes flat less Mouse racer features some unique characteristics profile body laminated piece %-in plywood drilled lightening holes sur faced two sheets very light balsa fin ish extremely sleek wing uses very soft balsa lightweight basswood spar l/ basswood veneer bottom wing added strength resulting flat-bottomed wing extremely light tail piece hard 1A6 balsa Note engine mounts onto thick metal plate reduces engine vibration gives extra margin speed engine uses left handed crankshaft propeller rotates direction opposite what normally see minimize adverse effects engine torque trying roll model toward pilot during takeoff plane gets off very quickiy has excellent flying characteristics under windy conditions As always solicit ideas comments photos use whenever possible really appreciate effort make sending CL Aerobatics/McMiIIan Continued page 62 coarse sandpaper better adhesion spread thin coat Vaseline hinge barrels epoxy wont get Tech tip Lubricating control system point cannot overlook requirement somewhat hidden unless think about little Lubricating part picture Youre asking lubricant penetrate bellcranks bearing points form coating basically stay put perform its function life plane well hope several years Now thats tall order Continued page 174 Em Stock NoDescriptionPriceAmount ITo order ____________ 11 __ I I ____ Sub Total 7% Tax TN Onlyuse Handling ZIIIII order TOTALblank uuruaaStnteZip... call Exp Dnte615 373-1444 MA 170 Model Aviation ElMasterCard ElVisa [JAmerExp Card No IEShip CODElMy Check enclosed ame Street Address City State Zip Youll See * Flying off lake smashing ice * What happens whan hand launch forget turn radio plane * A mplane turn tree4ane * A Rocket engine mourst#to E7mdecker * Four wrecked planes turne0 Twin flewi * And just lot Bad much Dont miss ons oti Send check m 420 L phone 717342-1963 VISA-MASTE CL Aerobatics/McMiIIan Continued page 170 Ordinarily oils will work short periods time dry out couple other choices know will work Use Vaseline some Teflon powder mixed touch warm soldering iron will flow Vaseline bearing cools down will stay put its job will remain solid form normal temper atures use effective long can fly plane Ive got planes over 2000 flights credit controls still free bearings tight Use motorcycle chain lube product comes out its aerosol can foam slowly changes state become gellike have work lube bearing once will stay put CL Scale/Boss Continued page 63 terials time Dougs message should coming through loud clear pays think light build light better flying longer lasting models WarbirdsClassic American Fighters & Bomb ers title book WW II fighter bomber lovers might want add library book Michael OLeary Norman Pealing Mike Jerram compila tion work previously published Gunfighter Bombers OLeary American Warbirds Pealing Warbirds Jerram 239-page work contains over 260 extraordinary color illus trations classic American fighters bombers include P-5 1 P-40 F8F Bearcat F6F Hellcat F4F Wildcat F4U Cor sair P-47 P-38 TBM Avenger AD Skyraider B-25 A-26 PV-2 Harpoon B-26 Marauder A20 Havoc B-17 B-24 B-29 photos book excellent qual ity show much fine detail often look building models book recommended library shelf re search purposes am sure will find photos just what need color documentation purposes 1990 edi tion ISBN 0-517-01218-9 published Mili tary Press distributed Crown Publishers Inc 225 Park Ave South NY NY 10003 found copy local Barnes Noble bookstore cost $20-plus New trim sheets Eagle Products has just intro duced line fuclproof applied per structions trim sheets come four differ ent styles three-color sheet solid fluorescent colors vertical horizontal stripe sheets stripes graduated sizes threecolor sheets have colors complement other ie yellow-orange-red Cub yellowred-gray three-color sheet has large 3In center stripe 3A -in stripe either side center stripe %-in stripe alongside 4-in stripes package contains three 6-in-wide x 27in-long sheets trim sheets can cut desired shape design remove liner stick model following few simple instructions No heat other adhesives required trim sheets may have limited use Scale models am sure will great help dressing up sportflying models Prices range about $17 $23 per package depending type trim sheets specific information product its distribution write Eagle Prod ucts PO Box 4609 Covina CA 91723 tel 1818/339-1311 Caption correction July column pic ture Bill Reynolds Grumman Bearcat credited being taken C Peter Cornils credit should have read Chris Peter Cornils Chris wifes name Chris sorry error Please send ideas notice upcoming CL Scale events contest reports especially photos CL Scale activity address very top column Alignment/Jennings Continued page 67 Draw parallel lines 2% apart 1 x 6-in pine Thats width front end design Yours may different lines run full length 1 x 6-in pine plank Redraw theyre parallel rear bulkhead support fixed support front bulkhead adjustable Cut front bulkhead support fourth corner brace Cut out parts front end bulkheads made aircraft plywood Lite Ply engine bearers x -in hard maple re duce effects drill runout drill en gine mounting holes mounting side Make relief cuts fuel tank maintains relationship between nee dle valve fuel tank centerline Load parts jig trimming sanding No gluing done stage bulkheads must flush en gine bearer edges Check four corners flush fit Sand trim discrepan cies must done before gluing Install engine bolt pattern jig align space engine bearers satisfied fit remove parts jig Lay piece plastic wrap over jig Make two cuts cor ner braces bolt post allows plastic wrap lay flat prevents gluing front end assembly jig Reassem ble parts jig glue gether Use 45-minute epoxy glue joints dry remove assembly jig completed product along en gine fuel tank shown pictures Reinforce intersections assembly 1A-in triangular balsa gus sets Gussets should installed top side engine bearers Install after epoxying blind nuts Notch gussets blind nuts relieve engine mounting bolts may pass through gussets will prevent blind nuts working loose model aircraft can course built such jigs its much difficult Continued page 176 174 Model Aviation RIC FOLLIES PRESENTS Craziest Wacklest Funniest MEFAIpiea Wreeirs YouD Ever Seoul Over 30 Minutes CRASH after CRASH after CRASH
