Profile AT-6

Top picture Thousands AT-6s built during lest war hundreds still flying models profile scale wings stabilizer have modified Stunt fly ing scale lines remain true pilots standpoint flies through pattern Above thick fuselage provides rugged model well giving more-than-profile look Its made up foam core hardwood inserts engine area sandwiched tween two sheets 1A-in balsa resulting lightweight strong vibration-free model 58 Model Aviation DONT YOU just hate wind blows blows no idea moved Midwest just much skies can bluster After two years Im con vinced calm anomaly wind normal So whats guy Build mod els fly wind natch AT-6 designed just Its clean rugged nimble able pen etrate typical midwestern Saturday wind Certainly popular frequently seen propeller-driven aircraft around AT-6 seemed good choice packaging Stunt practice ship full-size plane still flies air shows air rac es fly-ins course movies aircraft file includes examples AT-6s everything Japanese German col ors Profiles super way meet need practice Stunt flying requires build fast inexpensively little effort can made look great too refuse fly model doesnt look au thentic lines full-size AT6 retained profile view Usually thats pilot sees anyway make tall fuselage less vulnerable vibration flight loads built up profile original making inch thick gives AT-6 full-fuse Full-Size Plans Available. See Page 194 4 4 J ki 7 AA ---F -- r 4-K L V -I - -1 II 0 40 Ja 02 T U oZ Wii K i -E iiLF i 17 II II / 2 / LL / IIK / October 1990 59 U-K 4II Left The landing gear designed withstand rigors flying off grass fields quick easy maIntenance torsion bars anchored hardwood fuselage core screws washers nylon clips secure wings allow pivoting Note light weight wheels gear doors Use silicone glue adhere gear doors theyll stay place abuse rough grass land ings Right bottom view tall reveals clean elevator control hookup throw adjusted removing horn reinserting rod desired hole may little effort its far secure clevis ends can pull loose under extreme loads lage look ground crew something bold made wings out foam hollowed planked A0 sheet balsa maximum strength combination built-up fuselage planked foam wings adds up quickbuilding model thats fun fly can han dle good deal wind abuse Yes did say abuse its first flight AT-6 inverted 15 ft altitude down line snapped model began series extremely tight loops stopped rather abruptly dived terra firma damage Only brokenoff rudder fin little help CyA cyanoacrylate glue plane back air within minutes Thats rugged dont want fuss foam wing simply follow plans build fully sheeted wing model will still tough rugged could wish Its too windy fly lets get build ing Wing decide make foam wing youll using rib pattern tem plate Cut two templates out A-in ply wood cutting spar notches leading edge groove Cut wing halves foam notch templates spars spars keep foam wing flexing flight choose built-up balsa wing gin cutting out ribs except seven anchor landing gear plate identical Lay strip wood over plans mark pieces rib locations Pin down bottom spar position ribs Before gluing add top spar lift egg-crated wing off plan Pin leading trailing edges set assembly back down over plan Use scrap wood block wing level square apply thinned white glue joint small watercolor paintbrush speeds job considerably use white glue because dries slowly produces filleted joint thats remarkably strong glue setting rough cut wing tip blocks add lead-out guide tubes wing tip weight proper tips flaps can cut single sheet medium-firm straight A-in balsa Cut bellcrank landing gear mounting plates good-quality five-ply wood tach lead-out cables bellcrank pushrod Bolt bellcrank mount install wing Make sure can move its full sweep freely inter fering pushrod String lead-outs through inboard wing Epoxy landing gear plate posi tion sand wing prior planking Plank wing /16 sheeting 12in -wide sheets now market make job cinch Again use white glue youll have plenty time get right planking is dry give wing Continued page 168 60 Model Aviation .d featuring OS Max 35 engIne effortlessly pulls model through eniiru nouns pastern u fuel tank held place silicone glue sure scrape bonding area down bare wood Note fuel flaps elevator interconnected adjustment made through Z-bend belicrank rod elevator steel wheel collar wire notched accept setscrew loosens up pushrod cant slip out ne iurge emevasors guarantee mod el will go point -In rudder offset keeps lines tight strong windswithout producing too much drag c $ $ $ $ $ $ % Home Video Buffs 4 video used will receive $50 tape content used becomes property RC Funnies formats accepted Send orginal tape no copies will return tape enclose $5 postage handling Set tape proper segment brief written explanation Send video anything funny new interesting nes4 3493 Scottwood Dr. Green Bay WI 54311 ceived got idea some similar discus sion would again appropriate basics topic topical area has covered piece meal fashion throughout past years col umn However its time review/update some old some new ideas examples necessity will require col umn month well look some generalities begin detailed discussion next De cember column intent help transition store-bought custom wiring/installa tionseven now feel such beyond ability normally think Electric stuff model comprised three things motor battery everything else simplest view everything else basically what connects first two together makes everything work However everything else can include quite variety components wiring options example control choices include speed controls electronic On/Off switches servo-driven switches no control recommended choices further expanded existence products several competing manufacturers theres problem connector variety its frequent occurrence competing products dont readily interconnect questions Does fuse go before speed control after should arming switch goor need now Which wire cut Red black much goes well questions will answered Before detail beginssome preaching Electric installations fused will fly fuse Period strongly recommend system does include fuse get Well see Personally Id like see AMA require properly installed system fuse part con ditions insurance no excuse having fuse distinct safety consideration please dont anyone tell works better Power loss associated prop erly installed fuse peanuts dont care youre competition next chapter verse concerns arming switches view another sys tem safety item also downright practical re quirement well arming switch mas ter control Electric power system Its unlike main circuit breaker wiring sys tem home switch never driven servo servos have known glitch stall always mounted surface model ready ac cessibility makes everything workor can shut everything down easily overrides thing else power system including con trol radio may have over system operation Its last thing turn before takeoff first thing turn off right after landing dont have plane should Well see another column concludes Remem ber next November issue annual cov erage AMA Nats wont regular columns except Prestons Safety col umn until December issue Please send mail author address shown header respond correspon dence accompamed self-addressed stamped envelope SASE meantime always Happy Electric Landings Everyone RC Scale/Troy Continued page 57 event can own pace too Naturally must first read rules event AMA 1990-91 Competition Regulations hand book order understand what will ex pected contest after spending few minutes rules youll see detailed documentation package youve fearing long isnt required Fun Scale like can replaced some thing simple picture model box top kit youve built top Scale meets have begun offer Fun Scale added attraction Attend Once youve made commitment enter few such contests can usually count being able rub elbows best bestthe big-name Scale flierswithout intimidation having battle Instead can simply enjoy meeting watching work learning Display best manners contest scene dont overly shy Just like Scale modelers love talk about airplanes first few Scale meets will best opportunlty make friends mentors experienced fliers Approach youll soon find no different or other RC modelers anywhere else Ask let see documentation packages talk about static presentations Ask handled neat little trick models Watch way present flights judges way instruct callers assist flight presentations Pay particular attention highly professional admirable manner true sportsmen handle themselves judge forced take nibble Out egos downgrade watch learn sooner will come grips contest trail Before too long models will show marked improve ment construction flying style will de velop purpose will come know documentation package can important airplane will have learned effective ways preparing will matter time before move take rightful place Sports man Expert Scale Giant Scale classes competition perhaps yourself become mentor another aspiring flier As added benefit youre working toward perfecting models flying skills youll also de veloping two other valuable assetsgood sports manship character After getting involved AMA Fun Scale using opportunity gradually become Scale contest environment perhaps will understand having fun isnt limited fun flys noncompetitive events Scale com petition fliers have fun too Most com petitors very warm people enjoying what trying best can After really fun AT-6/PauI Continued page 60 good sanding Glue tips final carve sand flaps can fit ted joined hinged multiple hinges shown plan serve good purpose 168 Model Aviation n neSc premIeres Oct RC EntertaInment t 1t8 beet Sit bad & relax Smile Laugh Enjoy funny side modeling series 30-45 mm videos will tickle funny bonel collection fun-filled funny moments mound country Great club meetings home entertainment new & exciting tape other month $25 per tape VHS SPECIAL INTRODUCTORY OFFER $$$ SAVE OVER $801 YEAR Suscupno 6 TAPSs -$tiO $9995 $$$SAVE$1102 Yu Suuscuprso 12 TAss -$3G $190 year round enteIainment Credit card orders may placed cafling 1-800-236-9696 Visa & MasterCard amid name address phone please print type subscription amount RC FUNNIES 3493 Scottwood Dr Green Bay WI 54311 GLIDER RETRACTS Servo actuated glider retracts Over center up/do lock Aluminum parts made computer-controlled milling machine 8061 -TE beautifully crafted retracts made finest materials available best offered anywhere Made uSA 1/5 SCALE 3 oz wheel 1 -9/16W x 4L 2H 2/v wheel max 1/4 SCALE TWO TO CHOOSE FROM STO FOR GLIDERS UP TO 10 LBS 52 oz wheel 2W s 3-7/1 6L 2A H 35 wheel max HO FOR GLIDERS OVER 10 LBS 65 OZ 2W 6L 23/vH 35 wheel max ia SCALE 88 OZ wheel 23/4W 61 23/aH 5 wheel max FIVE-FOOT PUSHAOOS-1 /16 Music Wire casing Send stamped self-addressed envelope pricing mare info SCALE GLIDER COMPONENTS 7034 FERN PLACE CARLSBAD CA 92009 6191 931-1438 Wind weight create tremendous loads hingesand youve ever lost flight know exciting can Hinges lot cheaper models fuselage built bit differently Fol low along fancy footsteps After rehearsals over can go back old danceor try new began sheet 4-in insulation foam cut shape AT-6 fuselage Next cut out engine mount Y4-in plywood drilled mounting holes added blind nuts tapered rear fuselage Both sides sheeted A-in hard balsa exposed edges capped %-in sheet A-in-sheet cowl finished off fuselage resulting structure has proven rugged durable stiff youre convinced its worth effort though its time get out old dance program Cut fuselage out /2-in sheet balsa proceed own tail assembly follows traditional meth ods Use flat firm balsa round edges before assembling Offset rudder one-half inch Too much rud der offset will make airplane mush slows down Cut openings fuselage wing stabilizer Fit parts square up epoxy together wing-to-fuselage fit crucial youre certain have right epoxy light weight fiberglass cloth strip joint help prevent separation Make sure rudder stabilizer fuse lage wing well aligned Measure distance flap hinge line elevator hinge line side adjusting before epoxy sets arent identical suggest using one-hour epoxy slower allow sufficient time mak ing adjustments model curing bend leftand right-hand landing gear wires A-in music wire Fashion plywood gear doors gluing wires sil icone caulking Bend tail wheel strut glue dowel later assembly Flow Direction Only Fourmost Auto Plug / Way Valve can used variety circumstances require maintenance air fuel pressure Auto Plug can used place plug fuel systems utilize muffler pressure Auto Plug / Valve may also used conjunction bladders eliminate continual pinching line during fueling process Plug/ Valve also ideal pressure line between muffler fuel tank prevent pressure fuel escaping back muffler product may used glow fuel Auto Plug Product No 138 Size 1/16 inch lD Price $495 FOURMOST PRODUCTS 503 357-2732 Covering finishing Glue fuel tank place before begin doping model Silicone caulking works great task well though have make sure tank aligned engine like give model three coats clear dope good sanding between coats Cover flat areas wing silkspan doping right wood helps seal off pores create resilient surface Follow five coats clear dope sanding between coats Finish light coat two color Which color up millions documented AT-6 color schemes choose set tling just can hard part Final assembly Install control horns pushrods Use clamp-on style horns plate top secures mount ing screws used Z-bends control horn ends stainless steel set collars wire end Notch wire end receive setscrew set collar cant slip off Dont forget pushrod guide way did keeps pushrod flexing during compression loads guide can bent /I6 music wire made cot ter key Epoxy midway between flap horn elevator horn Add tail wheel Drill hole fit dowel epoxy strut Mount landing gear struts wing using nylon clips small sheet metal screws Make certain screws long enough seat well plywood plate front ends wires secured washers screws mounted ply wood fuselage core Install wheels engine propeller Finish off lead-out ends Balance model before its first test flight calm day preferable though man datory test flight few washers outthrust will help keep AT-6 end lines Fire up engine get PRODUCTS Complete Line Exhaust Systems Tuned Muffled Tuned Pipes Headers uri Mufflers Expansion Mufflers copter Dali Mufflers ialized Exhaust Systems Unsurpaard Wor October 1990 169 Auto Plug Way Valve Pedojmance 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

Top picture Thousands AT-6s built during lest war hundreds still flying models profile scale wings stabilizer have modified Stunt fly ing scale lines remain true pilots standpoint flies through pattern Above thick fuselage provides rugged model well giving more-than-profile look Its made up foam core hardwood inserts engine area sandwiched tween two sheets 1A-in balsa resulting lightweight strong vibration-free model 58 Model Aviation DONT YOU just hate wind blows blows no idea moved Midwest just much skies can bluster After two years Im con vinced calm anomaly wind normal So whats guy Build mod els fly wind natch AT-6 designed just Its clean rugged nimble able pen etrate typical midwestern Saturday wind Certainly popular frequently seen propeller-driven aircraft around AT-6 seemed good choice packaging Stunt practice ship full-size plane still flies air shows air rac es fly-ins course movies aircraft file includes examples AT-6s everything Japanese German col ors Profiles super way meet need practice Stunt flying requires build fast inexpensively little effort can made look great too refuse fly model doesnt look au thentic lines full-size AT6 retained profile view Usually thats pilot sees anyway make tall fuselage less vulnerable vibration flight loads built up profile original making inch thick gives AT-6 full-fuse Full-Size Plans Available. See Page 194 4 4 J ki 7 AA ---F -- r 4-K L V -I - -1 II 0 40 Ja 02 T U oZ Wii K i -E iiLF i 17 II II / 2 / LL / IIK / October 1990 59 U-K 4II Left The landing gear designed withstand rigors flying off grass fields quick easy maIntenance torsion bars anchored hardwood fuselage core screws washers nylon clips secure wings allow pivoting Note light weight wheels gear doors Use silicone glue adhere gear doors theyll stay place abuse rough grass land ings Right bottom view tall reveals clean elevator control hookup throw adjusted removing horn reinserting rod desired hole may little effort its far secure clevis ends can pull loose under extreme loads lage look ground crew something bold made wings out foam hollowed planked A0 sheet balsa maximum strength combination built-up fuselage planked foam wings adds up quickbuilding model thats fun fly can han dle good deal wind abuse Yes did say abuse its first flight AT-6 inverted 15 ft altitude down line snapped model began series extremely tight loops stopped rather abruptly dived terra firma damage Only brokenoff rudder fin little help CyA cyanoacrylate glue plane back air within minutes Thats rugged dont want fuss foam wing simply follow plans build fully sheeted wing model will still tough rugged could wish Its too windy fly lets get build ing Wing decide make foam wing youll using rib pattern tem plate Cut two templates out A-in ply wood cutting spar notches leading edge groove Cut wing halves foam notch templates spars spars keep foam wing flexing flight choose built-up balsa wing gin cutting out ribs except seven anchor landing gear plate identical Lay strip wood over plans mark pieces rib locations Pin down bottom spar position ribs Before gluing add top spar lift egg-crated wing off plan Pin leading trailing edges set assembly back down over plan Use scrap wood block wing level square apply thinned white glue joint small watercolor paintbrush speeds job considerably use white glue because dries slowly produces filleted joint thats remarkably strong glue setting rough cut wing tip blocks add lead-out guide tubes wing tip weight proper tips flaps can cut single sheet medium-firm straight A-in balsa Cut bellcrank landing gear mounting plates good-quality five-ply wood tach lead-out cables bellcrank pushrod Bolt bellcrank mount install wing Make sure can move its full sweep freely inter fering pushrod String lead-outs through inboard wing Epoxy landing gear plate posi tion sand wing prior planking Plank wing /16 sheeting 12in -wide sheets now market make job cinch Again use white glue youll have plenty time get right planking is dry give wing Continued page 168 60 Model Aviation .d featuring OS Max 35 engIne effortlessly pulls model through eniiru nouns pastern u fuel tank held place silicone glue sure scrape bonding area down bare wood Note fuel flaps elevator interconnected adjustment made through Z-bend belicrank rod elevator steel wheel collar wire notched accept setscrew loosens up pushrod cant slip out ne iurge emevasors guarantee mod el will go point -In rudder offset keeps lines tight strong windswithout producing too much drag c $ $ $ $ $ $ % Home Video Buffs 4 video used will receive $50 tape content used becomes property RC Funnies formats accepted Send orginal tape no copies will return tape enclose $5 postage handling Set tape proper segment brief written explanation Send video anything funny new interesting nes4 3493 Scottwood Dr. Green Bay WI 54311 ceived got idea some similar discus sion would again appropriate basics topic topical area has covered piece meal fashion throughout past years col umn However its time review/update some old some new ideas examples necessity will require col umn month well look some generalities begin detailed discussion next De cember column intent help transition store-bought custom wiring/installa tionseven now feel such beyond ability normally think Electric stuff model comprised three things motor battery everything else simplest view everything else basically what connects first two together makes everything work However everything else can include quite variety components wiring options example control choices include speed controls electronic On/Off switches servo-driven switches no control recommended choices further expanded existence products several competing manufacturers theres problem connector variety its frequent occurrence competing products dont readily interconnect questions Does fuse go before speed control after should arming switch goor need now Which wire cut Red black much goes well questions will answered Before detail beginssome preaching Electric installations fused will fly fuse Period strongly recommend system does include fuse get Well see Personally Id like see AMA require properly installed system fuse part con ditions insurance no excuse having fuse distinct safety consideration please dont anyone tell works better Power loss associated prop erly installed fuse peanuts dont care youre competition next chapter verse concerns arming switches view another sys tem safety item also downright practical re quirement well arming switch mas ter control Electric power system Its unlike main circuit breaker wiring sys tem home switch never driven servo servos have known glitch stall always mounted surface model ready ac cessibility makes everything workor can shut everything down easily overrides thing else power system including con trol radio may have over system operation Its last thing turn before takeoff first thing turn off right after landing dont have plane should Well see another column concludes Remem ber next November issue annual cov erage AMA Nats wont regular columns except Prestons Safety col umn until December issue Please send mail author address shown header respond correspon dence accompamed self-addressed stamped envelope SASE meantime always Happy Electric Landings Everyone RC Scale/Troy Continued page 57 event can own pace too Naturally must first read rules event AMA 1990-91 Competition Regulations hand book order understand what will ex pected contest after spending few minutes rules youll see detailed documentation package youve fearing long isnt required Fun Scale like can replaced some thing simple picture model box top kit youve built top Scale meets have begun offer Fun Scale added attraction Attend Once youve made commitment enter few such contests can usually count being able rub elbows best bestthe big-name Scale flierswithout intimidation having battle Instead can simply enjoy meeting watching work learning Display best manners contest scene dont overly shy Just like Scale modelers love talk about airplanes first few Scale meets will best opportunlty make friends mentors experienced fliers Approach youll soon find no different or other RC modelers anywhere else Ask let see documentation packages talk about static presentations Ask handled neat little trick models Watch way present flights judges way instruct callers assist flight presentations Pay particular attention highly professional admirable manner true sportsmen handle themselves judge forced take nibble Out egos downgrade watch learn sooner will come grips contest trail Before too long models will show marked improve ment construction flying style will de velop purpose will come know documentation package can important airplane will have learned effective ways preparing will matter time before move take rightful place Sports man Expert Scale Giant Scale classes competition perhaps yourself become mentor another aspiring flier As added benefit youre working toward perfecting models flying skills youll also de veloping two other valuable assetsgood sports manship character After getting involved AMA Fun Scale using opportunity gradually become Scale contest environment perhaps will understand having fun isnt limited fun flys noncompetitive events Scale com petition fliers have fun too Most com petitors very warm people enjoying what trying best can After really fun AT-6/PauI Continued page 60 good sanding Glue tips final carve sand flaps can fit ted joined hinged multiple hinges shown plan serve good purpose 168 Model Aviation n neSc premIeres Oct RC EntertaInment t 1t8 beet Sit bad & relax Smile Laugh Enjoy funny side modeling series 30-45 mm videos will tickle funny bonel collection fun-filled funny moments mound country Great club meetings home entertainment new & exciting tape other month $25 per tape VHS SPECIAL INTRODUCTORY OFFER $$$ SAVE OVER $801 YEAR Suscupno 6 TAPSs -$tiO $9995 $$$SAVE$1102 Yu Suuscuprso 12 TAss -$3G $190 year round enteIainment Credit card orders may placed cafling 1-800-236-9696 Visa & MasterCard amid name address phone please print type subscription amount RC FUNNIES 3493 Scottwood Dr Green Bay WI 54311 GLIDER RETRACTS Servo actuated glider retracts Over center up/do lock Aluminum parts made computer-controlled milling machine 8061 -TE beautifully crafted retracts made finest materials available best offered anywhere Made uSA 1/5 SCALE 3 oz wheel 1 -9/16W x 4L 2H 2/v wheel max 1/4 SCALE TWO TO CHOOSE FROM STO FOR GLIDERS UP TO 10 LBS 52 oz wheel 2W s 3-7/1 6L 2A H 35 wheel max HO FOR GLIDERS OVER 10 LBS 65 OZ 2W 6L 23/vH 35 wheel max ia SCALE 88 OZ wheel 23/4W 61 23/aH 5 wheel max FIVE-FOOT PUSHAOOS-1 /16 Music Wire casing Send stamped self-addressed envelope pricing mare info SCALE GLIDER COMPONENTS 7034 FERN PLACE CARLSBAD CA 92009 6191 931-1438 Wind weight create tremendous loads hingesand youve ever lost flight know exciting can Hinges lot cheaper models fuselage built bit differently Fol low along fancy footsteps After rehearsals over can go back old danceor try new began sheet 4-in insulation foam cut shape AT-6 fuselage Next cut out engine mount Y4-in plywood drilled mounting holes added blind nuts tapered rear fuselage Both sides sheeted A-in hard balsa exposed edges capped %-in sheet A-in-sheet cowl finished off fuselage resulting structure has proven rugged durable stiff youre convinced its worth effort though its time get out old dance program Cut fuselage out /2-in sheet balsa proceed own tail assembly follows traditional meth ods Use flat firm balsa round edges before assembling Offset rudder one-half inch Too much rud der offset will make airplane mush slows down Cut openings fuselage wing stabilizer Fit parts square up epoxy together wing-to-fuselage fit crucial youre certain have right epoxy light weight fiberglass cloth strip joint help prevent separation Make sure rudder stabilizer fuse lage wing well aligned Measure distance flap hinge line elevator hinge line side adjusting before epoxy sets arent identical suggest using one-hour epoxy slower allow sufficient time mak ing adjustments model curing bend leftand right-hand landing gear wires A-in music wire Fashion plywood gear doors gluing wires sil icone caulking Bend tail wheel strut glue dowel later assembly Flow Direction Only Fourmost Auto Plug / Way Valve can used variety circumstances require maintenance air fuel pressure Auto Plug can used place plug fuel systems utilize muffler pressure Auto Plug / Valve may also used conjunction bladders eliminate continual pinching line during fueling process Plug/ Valve also ideal pressure line between muffler fuel tank prevent pressure fuel escaping back muffler product may used glow fuel Auto Plug Product No 138 Size 1/16 inch lD Price $495 FOURMOST PRODUCTS 503 357-2732 Covering finishing Glue fuel tank place before begin doping model Silicone caulking works great task well though have make sure tank aligned engine like give model three coats clear dope good sanding between coats Cover flat areas wing silkspan doping right wood helps seal off pores create resilient surface Follow five coats clear dope sanding between coats Finish light coat two color Which color up millions documented AT-6 color schemes choose set tling just can hard part Final assembly Install control horns pushrods Use clamp-on style horns plate top secures mount ing screws used Z-bends control horn ends stainless steel set collars wire end Notch wire end receive setscrew set collar cant slip off Dont forget pushrod guide way did keeps pushrod flexing during compression loads guide can bent /I6 music wire made cot ter key Epoxy midway between flap horn elevator horn Add tail wheel Drill hole fit dowel epoxy strut Mount landing gear struts wing using nylon clips small sheet metal screws Make certain screws long enough seat well plywood plate front ends wires secured washers screws mounted ply wood fuselage core Install wheels engine propeller Finish off lead-out ends Balance model before its first test flight calm day preferable though man datory test flight few washers outthrust will help keep AT-6 end lines Fire up engine get PRODUCTS Complete Line Exhaust Systems Tuned Muffled Tuned Pipes Headers uri Mufflers Expansion Mufflers copter Dali Mufflers ialized Exhaust Systems Unsurpaard Wor October 1990 169 Auto Plug Way Valve Pedojmance 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