ame U model iea sic Ic yet Pa sEF itly-cor 2ted e engine power Requires 40 BigDont overwhethe perfectIl-field plane Builtoke THIS DESIGN actually came about two years ago m effort utilize per formance 40 four-cycle engines time Enya Saito OS 40s club members being flown Falcons like weighed about 5 lb Performance marginal pleasant club member Harry Stewart showed up field modified Midwest Taylorcraft weighed 4 lb strong OS FS-40 performance Taylorcraft out standing little airplane opened up eyes potential docile engines propeller extract potential Master Airscrew 10 x 7 perfect propeller type model design four-cycle 40s After much discussion reasoned fly way wanted model should weigh less 3 lb have wing area over 500 sq Some club members flying IMAC pattern felt 40s could com petitive Sportsman category drawn airplane couple years earlier sort fit requirements liked concept redrew plans update ideas other major flying characteristics incorporated design good inside outside looping ability neutral knife-edge flight 30 Model Aviation trauma-tree operation Tull length a-In landing gear blocksand 5/32-In wire strutswore used fortheir strength reliability resistance damage rough landings con trol horns secured 1/s-in Lite Ply plates ailerons #2 sheet metal screws Author used Du-Bro 1/2A control horns small Kletthingesandtailwheel bracketare Goldberg Control movement aft CG location gradually increased effort improve snap rolls later returnedto original settings Adjustthe con trol surface limits suit preference 1/1 6-in aileron pushrods link servo soldered together inside brasstubewhich makes perfectaiignment easy homemade servo mount built balsa plywood mounted rails glued wing Foam tape 1/16-in applied wing rather saddle 2-in Williams Bros standard pilot really completes model especially flight recelverewitch also cockpit located justahead pilot Little dots epoxywere applied windshield before framework painted simulation rivets authors model came out nose-heavy battery pack behind receiver under sliding balsa cover servos mounted far aft possible Flexible cable used throttle control charge plug fuselage side opposite exhaust SWALLOW BY FRED REESE 1/4 BALSA I/16x /4 030 BUTYRATE I/B SO SPRUCE STRINGERS ENGINE 40-46 FOUR CYCLE OS FS-40 SHOWN 1/4 BALSA 10-7 PROPELLER 4-6 OZ 3/16 PLY BALSA __ BLOCK -23 3/16 SQ SPRUCE 3/16 SQ BALSA UPRIGHTS 1/4 x 3/8 BALS4 1/8 SQ 3/4 TAILWHEEL CG TAILWHEEL BRACKET 3/16 SQ CROSS BRACES TOP AND BOTTOM BALSA I/4x 1/2l/16x 3/16 CAPSTRIPS RlBS 1/16 BALSA 1/16 WIRE PUSHROD ALUM TUBE 3/16 BALSA- ING GEAR -7 1/4 SQ TOP BOTTOM DUMMY CYLINDER 1/8 ALUM TUBE /32 PLY FINS 1/16 BALSA SPACERS I/4x 3/4 N -7 N N 7 . 1/2 BALSA . WINGTIPS 1/16 BALSA 1/4 x 1/2 Q N! III II 1/4 x 3/8 2 BALSA- effect designing balanced Pat tern modeland cute little airplane same time What evolved nicest-flying machine have ever Its perfect its vely good Swallow flies easily its light wing loading Takeoffs straight will slow walking speed landing has no bad habits Inside outside performance almost equal will turn square corners like Control Line Stunter Knife-edge flight balanced no need aileron correction speed side area enough sustained knifeedge flying Yet capable knife-edge knife-edge snap rolls Outside snap rolls easy inside snap rolls difficult must forced plane just too stable What impressive about Swallow quickly becomes com fortable fly very fast feels docile Still very responsive will whatever maneuvers want Construction build 5-lb airplane weighs 3 lb requires some changes building habits thinking did use special techniques building Swallow nor did use super-light wood Most wood used medium weight just used less Zap CA used construction Avoid epoxy structure Swallow engi neeredto strong does need larger wood sizes additional rein forcement add weight requires stronger airframe heavier throws us vicious circle Just build carefully thoughtfully Swallow large wheels dummy engine pilot weighs 3 lb 7 oz ready fly Fuselage built first Make two sides over plan covered wax paper Saran Wrap Use /l6 sq spruce longerons balsa uprights crosspieces diagonals Drill engine mount attach firewall F-i Glue F-i F-2 F-2A F-3 fuselage side add other fuselage side Pull tail together add rear crosspieces Glue cockpit floor F-4 F-S Glue *-in-sq top forward stringer 146 top forward sheeting Glue F-6 F-7 F-8 top h-in sq spruce stringers originally planned 32 Model Aviation part tail surface triangular making structure strong rigidyet light aileron linkage seen top solder link attaches Goldberg 1/16-in aileron pushrod belicrank pushrod servo belicrank 1/16-inwireisused Notel/8-in balsagus set between trailing edge Rib W-5 n wn~ ,aent Theforward portion wing isa fupbals0 0ear webs betweenars Panels joined piece 3-ln-wide fiberglass cloth/resin makes center section very strong fuselage longerons stringers spruce extra strength uprights diagonals crosspieces balsa astheirstress loads less Top sheeting 1/16-in balsa care must taken handling modelbut adequate flight strength bare bones ot 5-Ib model mat weigns ia OZ R iignierairrame permorms Duller IM DOWEL fS V2 ir NIwwisI1T IIHIlLJL~IIALOEIS UIII_____ dlLrz 1f1B BALSA N ii N ii 1116-7lw-Klw-sliiz::FzzzzINNW7Nw-s11W-S 3D~11W-SSI-Iw-2W-3AJIW-3Jw5w- y 16 00 16W16W 16001 000 16K16 1K wlSE/ K BALSASING WITH S W GLASS ABLON APE SiMS BROW OR CA RUlE I/H BALSA EIUS RIB VBx 1f0 L55Q TOP II SOLDER CIEVISINii UII IfIK BALSAIIN IH 316III I SMALL CONTROL SORB IfH LIT PLY I/O BALSA WINOTYPS 16-10 I/H DEIEORAL UNDER F-HF-5 msIfIK BALSAI/IS BALGA SHEON WEBBELLCRANK F-I UIK PLO F-3 1/B LITE 210516BACKRESTPLO 3/16 PLY IVIK BALSASOLDERSMALL HORNI/H SfB1/4 3fH 40-46 POOR CYCLELJPLY MOUNTCU I/IA AlL J TEC PRESRILLES_______________ I/B ALIM -pI/H DOWEL 1/30 PLY FINSGLOW PWG 10-7 MASTER AIBACREW PROPELLER COCERIT FLOORII/B 55 BALSAIf IN PLY H-K OZ TANKI ALIAS BALSAfIR BALSA ---I BALBAOf 6 SQ SPRUDEIf K BALSA BLOCK-V4 SO3f IS SO BALSA F-2BALANCE3/IN BALSA SAROOS RORTS WIRE II IfS TRIANGLEF-SAF-S-CS TAILWREEL3/B TAILWREEL I/O BALSA-BRACKET C16-IAK-I-3/16 SQ GHGSCE I/B LITE PLYIfH-20 NYLON BOLT BALSA B PLY DERVO IAJGNT S IfS 161-EELS Sf35 WIRE LASKINGS GEAR SI F SORT WIIIOQHELO 030 BATYBATE CONTROL MO/EMENT AILERONS 5 EACH WAY ELEVATOR fO-3f4" RUDOERI 5 SWAm 1W WINGSFSN SB AREA 540 55 IN LENGTH 55 WEIGHT 3 IfS LBS BY FRES REESE use lighter balsa stringers kept breaking handling model re placed spruce Glue little wedge 6-in balsa between bottom longerons tail tail wheel bracket Glue F-9 wing mount Wing Build before going further fuselage Make photocopies wing ribs cut out paper rib pattern Rubber cement two sheets of/16 x 3 x 36-in balsa together rubber cement paper ribs wood Spray contact cement can also used Cut ribs out little oversized Dremel jigsaw X-Acto knife sand final shape Glue A6 plywood rib doublers W-lA W-3A W-1 W 3 Cut away aileron portions W-6 w-10 wing builds flat over plan cov ered wax paper Glue bottom in-sq hard balsa spar edge /i6 bottom sheeting pin plan Pin down /16 x 6 shims about d n trailing edge ahead behind n aileron spars Glue Ribs W-l W-5 W-l0 bottom wing spar Pin glue place trailing edge aileron spars Add remainder ribs Glue /16 x inner leading edge top -in-sq spar Pull lower sheet up glue ribs leading edge Cut away sheeting landing gear block glue block wing Add n pine hardwood vertical gear block W-1 reinforce scraps n balsa between top spar leading edge Glue Y16 sheet balsa vertical-grain shear webs between spars ribs Add A6 center sheeting wing tips Cut away ailerons add cap strips sand wing panel final shape Install aileron linkage now letting pushrods extend past W- 1 about pushrod ends link aileron servo will joined later piece brass tube solder Zap two wing panels together blocking up wing tip 2 used 3-in-wide fiberglass cloth Ace RC K&B finishing resin reinforce wing center joint glass cloth first spot-Zapped place flowed resin saturate weave Excess resin blotted off Kleenex Only little sanding some Model Magic filler needed along edges before covering Fit wing fuselage drill leading edge -in dowel using hole F-2 guide Drill trailing edge wing down through F-9 Y16-in bit follow -20 tap Drill out wing hole hole threads F-9 Glue bottom -in Lite Ply between F- 1 F-2 Add cowl Build tail surfaces over plan using medium balsa little piece 6 1/32 plywood rudder will prevent tail wheel ripping out Final details Cover parts airplane separately trim away covering between glue joints Glue rudder stabilizer fuselage hinge control surfaces Keep hinge gaps minimum preferably seal gaps tape strips covering used red EconoKote covering white MonoKote Trim sheets numbers trim dummy cylinder making 0S FS-40 twin fun part airplane looked real people tended stare perplexed until told fake A2 ply fins cut out scissors match engine fins /16 balsa circles cut spacers cylinder painted Aero Gloss silver Real screws could used used -in lengths Nyrod painted black screw heads K&S -in aluminum tube used pushrods -in alum inum tube exhaust Use own engine guide size shape parts Micro servos necessary model nice have used Ace RC Silver Seven receiver Micro servos 250 mAh battery pack glued servos trays little dabs silicon made balsa-and-ply wood servo tray aileron servo screwed balsa-and-plywood rails glued wing Flying No surprises Just point down runway push throttle stop push some right rudder little up elevator airplane will flying almost instantly hope lot will build airplane apply some building techniques design reduce weight next project Everyone should have airplane flies like 34 Model Aviation Lightweight easy-to-construct cockpit details instrument panel 1/16-in balsa covered paper wood grain cut magazine Paper instruments glued behind holes cut balsa sharpened brass tube Panel front covered clear plastic packing tape seal paper give instruments clear glazing cockpit floor covered lightweight card stock spray-painted flat black Balsa backrest pre-finished resin painted brown Pilot figure painted Pactra enamels Finished cockpit complete radio switch Inside cockpitwas painted silver before covering fuselage adding cockpit details Windshield first formed over tin can oven Glue windshield place RC-56 nice finishing touch
Edition: Model Aviation - 1986/10
Page Numbers: 28, 29, 30, 31, 32, 33, 34
ame U model iea sic Ic yet Pa sEF itly-cor 2ted e engine power Requires 40 BigDont overwhethe perfectIl-field plane Builtoke THIS DESIGN actually came about two years ago m effort utilize per formance 40 four-cycle engines time Enya Saito OS 40s club members being flown Falcons like weighed about 5 lb Performance marginal pleasant club member Harry Stewart showed up field modified Midwest Taylorcraft weighed 4 lb strong OS FS-40 performance Taylorcraft out standing little airplane opened up eyes potential docile engines propeller extract potential Master Airscrew 10 x 7 perfect propeller type model design four-cycle 40s After much discussion reasoned fly way wanted model should weigh less 3 lb have wing area over 500 sq Some club members flying IMAC pattern felt 40s could com petitive Sportsman category drawn airplane couple years earlier sort fit requirements liked concept redrew plans update ideas other major flying characteristics incorporated design good inside outside looping ability neutral knife-edge flight 30 Model Aviation trauma-tree operation Tull length a-In landing gear blocksand 5/32-In wire strutswore used fortheir strength reliability resistance damage rough landings con trol horns secured 1/s-in Lite Ply plates ailerons #2 sheet metal screws Author used Du-Bro 1/2A control horns small Kletthingesandtailwheel bracketare Goldberg Control movement aft CG location gradually increased effort improve snap rolls later returnedto original settings Adjustthe con trol surface limits suit preference 1/1 6-in aileron pushrods link servo soldered together inside brasstubewhich makes perfectaiignment easy homemade servo mount built balsa plywood mounted rails glued wing Foam tape 1/16-in applied wing rather saddle 2-in Williams Bros standard pilot really completes model especially flight recelverewitch also cockpit located justahead pilot Little dots epoxywere applied windshield before framework painted simulation rivets authors model came out nose-heavy battery pack behind receiver under sliding balsa cover servos mounted far aft possible Flexible cable used throttle control charge plug fuselage side opposite exhaust SWALLOW BY FRED REESE 1/4 BALSA I/16x /4 030 BUTYRATE I/B SO SPRUCE STRINGERS ENGINE 40-46 FOUR CYCLE OS FS-40 SHOWN 1/4 BALSA 10-7 PROPELLER 4-6 OZ 3/16 PLY BALSA __ BLOCK -23 3/16 SQ SPRUCE 3/16 SQ BALSA UPRIGHTS 1/4 x 3/8 BALS4 1/8 SQ 3/4 TAILWHEEL CG TAILWHEEL BRACKET 3/16 SQ CROSS BRACES TOP AND BOTTOM BALSA I/4x 1/2l/16x 3/16 CAPSTRIPS RlBS 1/16 BALSA 1/16 WIRE PUSHROD ALUM TUBE 3/16 BALSA- ING GEAR -7 1/4 SQ TOP BOTTOM DUMMY CYLINDER 1/8 ALUM TUBE /32 PLY FINS 1/16 BALSA SPACERS I/4x 3/4 N -7 N N 7 . 1/2 BALSA . WINGTIPS 1/16 BALSA 1/4 x 1/2 Q N! III II 1/4 x 3/8 2 BALSA- effect designing balanced Pat tern modeland cute little airplane same time What evolved nicest-flying machine have ever Its perfect its vely good Swallow flies easily its light wing loading Takeoffs straight will slow walking speed landing has no bad habits Inside outside performance almost equal will turn square corners like Control Line Stunter Knife-edge flight balanced no need aileron correction speed side area enough sustained knifeedge flying Yet capable knife-edge knife-edge snap rolls Outside snap rolls easy inside snap rolls difficult must forced plane just too stable What impressive about Swallow quickly becomes com fortable fly very fast feels docile Still very responsive will whatever maneuvers want Construction build 5-lb airplane weighs 3 lb requires some changes building habits thinking did use special techniques building Swallow nor did use super-light wood Most wood used medium weight just used less Zap CA used construction Avoid epoxy structure Swallow engi neeredto strong does need larger wood sizes additional rein forcement add weight requires stronger airframe heavier throws us vicious circle Just build carefully thoughtfully Swallow large wheels dummy engine pilot weighs 3 lb 7 oz ready fly Fuselage built first Make two sides over plan covered wax paper Saran Wrap Use /l6 sq spruce longerons balsa uprights crosspieces diagonals Drill engine mount attach firewall F-i Glue F-i F-2 F-2A F-3 fuselage side add other fuselage side Pull tail together add rear crosspieces Glue cockpit floor F-4 F-S Glue *-in-sq top forward stringer 146 top forward sheeting Glue F-6 F-7 F-8 top h-in sq spruce stringers originally planned 32 Model Aviation part tail surface triangular making structure strong rigidyet light aileron linkage seen top solder link attaches Goldberg 1/16-in aileron pushrod belicrank pushrod servo belicrank 1/16-inwireisused Notel/8-in balsagus set between trailing edge Rib W-5 n wn~ ,aent Theforward portion wing isa fupbals0 0ear webs betweenars Panels joined piece 3-ln-wide fiberglass cloth/resin makes center section very strong fuselage longerons stringers spruce extra strength uprights diagonals crosspieces balsa astheirstress loads less Top sheeting 1/16-in balsa care must taken handling modelbut adequate flight strength bare bones ot 5-Ib model mat weigns ia OZ R iignierairrame permorms Duller IM DOWEL fS V2 ir NIwwisI1T IIHIlLJL~IIALOEIS UIII_____ dlLrz 1f1B BALSA N ii N ii 1116-7lw-Klw-sliiz::FzzzzINNW7Nw-s11W-S 3D~11W-SSI-Iw-2W-3AJIW-3Jw5w- y 16 00 16W16W 16001 000 16K16 1K wlSE/ K BALSASING WITH S W GLASS ABLON APE SiMS BROW OR CA RUlE I/H BALSA EIUS RIB VBx 1f0 L55Q TOP II SOLDER CIEVISINii UII IfIK BALSAIIN IH 316III I SMALL CONTROL SORB IfH LIT PLY I/O BALSA WINOTYPS 16-10 I/H DEIEORAL UNDER F-HF-5 msIfIK BALSAI/IS BALGA SHEON WEBBELLCRANK F-I UIK PLO F-3 1/B LITE 210516BACKRESTPLO 3/16 PLY IVIK BALSASOLDERSMALL HORNI/H SfB1/4 3fH 40-46 POOR CYCLELJPLY MOUNTCU I/IA AlL J TEC PRESRILLES_______________ I/B ALIM -pI/H DOWEL 1/30 PLY FINSGLOW PWG 10-7 MASTER AIBACREW PROPELLER COCERIT FLOORII/B 55 BALSAIf IN PLY H-K OZ TANKI ALIAS BALSAfIR BALSA ---I BALBAOf 6 SQ SPRUDEIf K BALSA BLOCK-V4 SO3f IS SO BALSA F-2BALANCE3/IN BALSA SAROOS RORTS WIRE II IfS TRIANGLEF-SAF-S-CS TAILWREEL3/B TAILWREEL I/O BALSA-BRACKET C16-IAK-I-3/16 SQ GHGSCE I/B LITE PLYIfH-20 NYLON BOLT BALSA B PLY DERVO IAJGNT S IfS 161-EELS Sf35 WIRE LASKINGS GEAR SI F SORT WIIIOQHELO 030 BATYBATE CONTROL MO/EMENT AILERONS 5 EACH WAY ELEVATOR fO-3f4" RUDOERI 5 SWAm 1W WINGSFSN SB AREA 540 55 IN LENGTH 55 WEIGHT 3 IfS LBS BY FRES REESE use lighter balsa stringers kept breaking handling model re placed spruce Glue little wedge 6-in balsa between bottom longerons tail tail wheel bracket Glue F-9 wing mount Wing Build before going further fuselage Make photocopies wing ribs cut out paper rib pattern Rubber cement two sheets of/16 x 3 x 36-in balsa together rubber cement paper ribs wood Spray contact cement can also used Cut ribs out little oversized Dremel jigsaw X-Acto knife sand final shape Glue A6 plywood rib doublers W-lA W-3A W-1 W 3 Cut away aileron portions W-6 w-10 wing builds flat over plan cov ered wax paper Glue bottom in-sq hard balsa spar edge /i6 bottom sheeting pin plan Pin down /16 x 6 shims about d n trailing edge ahead behind n aileron spars Glue Ribs W-l W-5 W-l0 bottom wing spar Pin glue place trailing edge aileron spars Add remainder ribs Glue /16 x inner leading edge top -in-sq spar Pull lower sheet up glue ribs leading edge Cut away sheeting landing gear block glue block wing Add n pine hardwood vertical gear block W-1 reinforce scraps n balsa between top spar leading edge Glue Y16 sheet balsa vertical-grain shear webs between spars ribs Add A6 center sheeting wing tips Cut away ailerons add cap strips sand wing panel final shape Install aileron linkage now letting pushrods extend past W- 1 about pushrod ends link aileron servo will joined later piece brass tube solder Zap two wing panels together blocking up wing tip 2 used 3-in-wide fiberglass cloth Ace RC K&B finishing resin reinforce wing center joint glass cloth first spot-Zapped place flowed resin saturate weave Excess resin blotted off Kleenex Only little sanding some Model Magic filler needed along edges before covering Fit wing fuselage drill leading edge -in dowel using hole F-2 guide Drill trailing edge wing down through F-9 Y16-in bit follow -20 tap Drill out wing hole hole threads F-9 Glue bottom -in Lite Ply between F- 1 F-2 Add cowl Build tail surfaces over plan using medium balsa little piece 6 1/32 plywood rudder will prevent tail wheel ripping out Final details Cover parts airplane separately trim away covering between glue joints Glue rudder stabilizer fuselage hinge control surfaces Keep hinge gaps minimum preferably seal gaps tape strips covering used red EconoKote covering white MonoKote Trim sheets numbers trim dummy cylinder making 0S FS-40 twin fun part airplane looked real people tended stare perplexed until told fake A2 ply fins cut out scissors match engine fins /16 balsa circles cut spacers cylinder painted Aero Gloss silver Real screws could used used -in lengths Nyrod painted black screw heads K&S -in aluminum tube used pushrods -in alum inum tube exhaust Use own engine guide size shape parts Micro servos necessary model nice have used Ace RC Silver Seven receiver Micro servos 250 mAh battery pack glued servos trays little dabs silicon made balsa-and-ply wood servo tray aileron servo screwed balsa-and-plywood rails glued wing Flying No surprises Just point down runway push throttle stop push some right rudder little up elevator airplane will flying almost instantly hope lot will build airplane apply some building techniques design reduce weight next project Everyone should have airplane flies like 34 Model Aviation Lightweight easy-to-construct cockpit details instrument panel 1/16-in balsa covered paper wood grain cut magazine Paper instruments glued behind holes cut balsa sharpened brass tube Panel front covered clear plastic packing tape seal paper give instruments clear glazing cockpit floor covered lightweight card stock spray-painted flat black Balsa backrest pre-finished resin painted brown Pilot figure painted Pactra enamels Finished cockpit complete radio switch Inside cockpitwas painted silver before covering fuselage adding cockpit details Windshield first formed over tin can oven Glue windshield place RC-56 nice finishing touch
Edition: Model Aviation - 1986/10
Page Numbers: 28, 29, 30, 31, 32, 33, 34
ame U model iea sic Ic yet Pa sEF itly-cor 2ted e engine power Requires 40 BigDont overwhethe perfectIl-field plane Builtoke THIS DESIGN actually came about two years ago m effort utilize per formance 40 four-cycle engines time Enya Saito OS 40s club members being flown Falcons like weighed about 5 lb Performance marginal pleasant club member Harry Stewart showed up field modified Midwest Taylorcraft weighed 4 lb strong OS FS-40 performance Taylorcraft out standing little airplane opened up eyes potential docile engines propeller extract potential Master Airscrew 10 x 7 perfect propeller type model design four-cycle 40s After much discussion reasoned fly way wanted model should weigh less 3 lb have wing area over 500 sq Some club members flying IMAC pattern felt 40s could com petitive Sportsman category drawn airplane couple years earlier sort fit requirements liked concept redrew plans update ideas other major flying characteristics incorporated design good inside outside looping ability neutral knife-edge flight 30 Model Aviation trauma-tree operation Tull length a-In landing gear blocksand 5/32-In wire strutswore used fortheir strength reliability resistance damage rough landings con trol horns secured 1/s-in Lite Ply plates ailerons #2 sheet metal screws Author used Du-Bro 1/2A control horns small Kletthingesandtailwheel bracketare Goldberg Control movement aft CG location gradually increased effort improve snap rolls later returnedto original settings Adjustthe con trol surface limits suit preference 1/1 6-in aileron pushrods link servo soldered together inside brasstubewhich makes perfectaiignment easy homemade servo mount built balsa plywood mounted rails glued wing Foam tape 1/16-in applied wing rather saddle 2-in Williams Bros standard pilot really completes model especially flight recelverewitch also cockpit located justahead pilot Little dots epoxywere applied windshield before framework painted simulation rivets authors model came out nose-heavy battery pack behind receiver under sliding balsa cover servos mounted far aft possible Flexible cable used throttle control charge plug fuselage side opposite exhaust SWALLOW BY FRED REESE 1/4 BALSA I/16x /4 030 BUTYRATE I/B SO SPRUCE STRINGERS ENGINE 40-46 FOUR CYCLE OS FS-40 SHOWN 1/4 BALSA 10-7 PROPELLER 4-6 OZ 3/16 PLY BALSA __ BLOCK -23 3/16 SQ SPRUCE 3/16 SQ BALSA UPRIGHTS 1/4 x 3/8 BALS4 1/8 SQ 3/4 TAILWHEEL CG TAILWHEEL BRACKET 3/16 SQ CROSS BRACES TOP AND BOTTOM BALSA I/4x 1/2l/16x 3/16 CAPSTRIPS RlBS 1/16 BALSA 1/16 WIRE PUSHROD ALUM TUBE 3/16 BALSA- ING GEAR -7 1/4 SQ TOP BOTTOM DUMMY CYLINDER 1/8 ALUM TUBE /32 PLY FINS 1/16 BALSA SPACERS I/4x 3/4 N -7 N N 7 . 1/2 BALSA . WINGTIPS 1/16 BALSA 1/4 x 1/2 Q N! III II 1/4 x 3/8 2 BALSA- effect designing balanced Pat tern modeland cute little airplane same time What evolved nicest-flying machine have ever Its perfect its vely good Swallow flies easily its light wing loading Takeoffs straight will slow walking speed landing has no bad habits Inside outside performance almost equal will turn square corners like Control Line Stunter Knife-edge flight balanced no need aileron correction speed side area enough sustained knifeedge flying Yet capable knife-edge knife-edge snap rolls Outside snap rolls easy inside snap rolls difficult must forced plane just too stable What impressive about Swallow quickly becomes com fortable fly very fast feels docile Still very responsive will whatever maneuvers want Construction build 5-lb airplane weighs 3 lb requires some changes building habits thinking did use special techniques building Swallow nor did use super-light wood Most wood used medium weight just used less Zap CA used construction Avoid epoxy structure Swallow engi neeredto strong does need larger wood sizes additional rein forcement add weight requires stronger airframe heavier throws us vicious circle Just build carefully thoughtfully Swallow large wheels dummy engine pilot weighs 3 lb 7 oz ready fly Fuselage built first Make two sides over plan covered wax paper Saran Wrap Use /l6 sq spruce longerons balsa uprights crosspieces diagonals Drill engine mount attach firewall F-i Glue F-i F-2 F-2A F-3 fuselage side add other fuselage side Pull tail together add rear crosspieces Glue cockpit floor F-4 F-S Glue *-in-sq top forward stringer 146 top forward sheeting Glue F-6 F-7 F-8 top h-in sq spruce stringers originally planned 32 Model Aviation part tail surface triangular making structure strong rigidyet light aileron linkage seen top solder link attaches Goldberg 1/16-in aileron pushrod belicrank pushrod servo belicrank 1/16-inwireisused Notel/8-in balsagus set between trailing edge Rib W-5 n wn~ ,aent Theforward portion wing isa fupbals0 0ear webs betweenars Panels joined piece 3-ln-wide fiberglass cloth/resin makes center section very strong fuselage longerons stringers spruce extra strength uprights diagonals crosspieces balsa astheirstress loads less Top sheeting 1/16-in balsa care must taken handling modelbut adequate flight strength bare bones ot 5-Ib model mat weigns ia OZ R iignierairrame permorms Duller IM DOWEL fS V2 ir NIwwisI1T IIHIlLJL~IIALOEIS UIII_____ dlLrz 1f1B BALSA N ii N ii 1116-7lw-Klw-sliiz::FzzzzINNW7Nw-s11W-S 3D~11W-SSI-Iw-2W-3AJIW-3Jw5w- y 16 00 16W16W 16001 000 16K16 1K wlSE/ K BALSASING WITH S W GLASS ABLON APE SiMS BROW OR CA RUlE I/H BALSA EIUS RIB VBx 1f0 L55Q TOP II SOLDER CIEVISINii UII IfIK BALSAIIN IH 316III I SMALL CONTROL SORB IfH LIT PLY I/O BALSA WINOTYPS 16-10 I/H DEIEORAL UNDER F-HF-5 msIfIK BALSAI/IS BALGA SHEON WEBBELLCRANK F-I UIK PLO F-3 1/B LITE 210516BACKRESTPLO 3/16 PLY IVIK BALSASOLDERSMALL HORNI/H SfB1/4 3fH 40-46 POOR CYCLELJPLY MOUNTCU I/IA AlL J TEC PRESRILLES_______________ I/B ALIM -pI/H DOWEL 1/30 PLY FINSGLOW PWG 10-7 MASTER AIBACREW PROPELLER COCERIT FLOORII/B 55 BALSAIf IN PLY H-K OZ TANKI ALIAS BALSAfIR BALSA ---I BALBAOf 6 SQ SPRUDEIf K BALSA BLOCK-V4 SO3f IS SO BALSA F-2BALANCE3/IN BALSA SAROOS RORTS WIRE II IfS TRIANGLEF-SAF-S-CS TAILWREEL3/B TAILWREEL I/O BALSA-BRACKET C16-IAK-I-3/16 SQ GHGSCE I/B LITE PLYIfH-20 NYLON BOLT BALSA B PLY DERVO IAJGNT S IfS 161-EELS Sf35 WIRE LASKINGS GEAR SI F SORT WIIIOQHELO 030 BATYBATE CONTROL MO/EMENT AILERONS 5 EACH WAY ELEVATOR fO-3f4" RUDOERI 5 SWAm 1W WINGSFSN SB AREA 540 55 IN LENGTH 55 WEIGHT 3 IfS LBS BY FRES REESE use lighter balsa stringers kept breaking handling model re placed spruce Glue little wedge 6-in balsa between bottom longerons tail tail wheel bracket Glue F-9 wing mount Wing Build before going further fuselage Make photocopies wing ribs cut out paper rib pattern Rubber cement two sheets of/16 x 3 x 36-in balsa together rubber cement paper ribs wood Spray contact cement can also used Cut ribs out little oversized Dremel jigsaw X-Acto knife sand final shape Glue A6 plywood rib doublers W-lA W-3A W-1 W 3 Cut away aileron portions W-6 w-10 wing builds flat over plan cov ered wax paper Glue bottom in-sq hard balsa spar edge /i6 bottom sheeting pin plan Pin down /16 x 6 shims about d n trailing edge ahead behind n aileron spars Glue Ribs W-l W-5 W-l0 bottom wing spar Pin glue place trailing edge aileron spars Add remainder ribs Glue /16 x inner leading edge top -in-sq spar Pull lower sheet up glue ribs leading edge Cut away sheeting landing gear block glue block wing Add n pine hardwood vertical gear block W-1 reinforce scraps n balsa between top spar leading edge Glue Y16 sheet balsa vertical-grain shear webs between spars ribs Add A6 center sheeting wing tips Cut away ailerons add cap strips sand wing panel final shape Install aileron linkage now letting pushrods extend past W- 1 about pushrod ends link aileron servo will joined later piece brass tube solder Zap two wing panels together blocking up wing tip 2 used 3-in-wide fiberglass cloth Ace RC K&B finishing resin reinforce wing center joint glass cloth first spot-Zapped place flowed resin saturate weave Excess resin blotted off Kleenex Only little sanding some Model Magic filler needed along edges before covering Fit wing fuselage drill leading edge -in dowel using hole F-2 guide Drill trailing edge wing down through F-9 Y16-in bit follow -20 tap Drill out wing hole hole threads F-9 Glue bottom -in Lite Ply between F- 1 F-2 Add cowl Build tail surfaces over plan using medium balsa little piece 6 1/32 plywood rudder will prevent tail wheel ripping out Final details Cover parts airplane separately trim away covering between glue joints Glue rudder stabilizer fuselage hinge control surfaces Keep hinge gaps minimum preferably seal gaps tape strips covering used red EconoKote covering white MonoKote Trim sheets numbers trim dummy cylinder making 0S FS-40 twin fun part airplane looked real people tended stare perplexed until told fake A2 ply fins cut out scissors match engine fins /16 balsa circles cut spacers cylinder painted Aero Gloss silver Real screws could used used -in lengths Nyrod painted black screw heads K&S -in aluminum tube used pushrods -in alum inum tube exhaust Use own engine guide size shape parts Micro servos necessary model nice have used Ace RC Silver Seven receiver Micro servos 250 mAh battery pack glued servos trays little dabs silicon made balsa-and-ply wood servo tray aileron servo screwed balsa-and-plywood rails glued wing Flying No surprises Just point down runway push throttle stop push some right rudder little up elevator airplane will flying almost instantly hope lot will build airplane apply some building techniques design reduce weight next project Everyone should have airplane flies like 34 Model Aviation Lightweight easy-to-construct cockpit details instrument panel 1/16-in balsa covered paper wood grain cut magazine Paper instruments glued behind holes cut balsa sharpened brass tube Panel front covered clear plastic packing tape seal paper give instruments clear glazing cockpit floor covered lightweight card stock spray-painted flat black Balsa backrest pre-finished resin painted brown Pilot figure painted Pactra enamels Finished cockpit complete radio switch Inside cockpitwas painted silver before covering fuselage adding cockpit details Windshield first formed over tin can oven Glue windshield place RC-56 nice finishing touch
Edition: Model Aviation - 1986/10
Page Numbers: 28, 29, 30, 31, 32, 33, 34
ame U model iea sic Ic yet Pa sEF itly-cor 2ted e engine power Requires 40 BigDont overwhethe perfectIl-field plane Builtoke THIS DESIGN actually came about two years ago m effort utilize per formance 40 four-cycle engines time Enya Saito OS 40s club members being flown Falcons like weighed about 5 lb Performance marginal pleasant club member Harry Stewart showed up field modified Midwest Taylorcraft weighed 4 lb strong OS FS-40 performance Taylorcraft out standing little airplane opened up eyes potential docile engines propeller extract potential Master Airscrew 10 x 7 perfect propeller type model design four-cycle 40s After much discussion reasoned fly way wanted model should weigh less 3 lb have wing area over 500 sq Some club members flying IMAC pattern felt 40s could com petitive Sportsman category drawn airplane couple years earlier sort fit requirements liked concept redrew plans update ideas other major flying characteristics incorporated design good inside outside looping ability neutral knife-edge flight 30 Model Aviation trauma-tree operation Tull length a-In landing gear blocksand 5/32-In wire strutswore used fortheir strength reliability resistance damage rough landings con trol horns secured 1/s-in Lite Ply plates ailerons #2 sheet metal screws Author used Du-Bro 1/2A control horns small Kletthingesandtailwheel bracketare Goldberg Control movement aft CG location gradually increased effort improve snap rolls later returnedto original settings Adjustthe con trol surface limits suit preference 1/1 6-in aileron pushrods link servo soldered together inside brasstubewhich makes perfectaiignment easy homemade servo mount built balsa plywood mounted rails glued wing Foam tape 1/16-in applied wing rather saddle 2-in Williams Bros standard pilot really completes model especially flight recelverewitch also cockpit located justahead pilot Little dots epoxywere applied windshield before framework painted simulation rivets authors model came out nose-heavy battery pack behind receiver under sliding balsa cover servos mounted far aft possible Flexible cable used throttle control charge plug fuselage side opposite exhaust SWALLOW BY FRED REESE 1/4 BALSA I/16x /4 030 BUTYRATE I/B SO SPRUCE STRINGERS ENGINE 40-46 FOUR CYCLE OS FS-40 SHOWN 1/4 BALSA 10-7 PROPELLER 4-6 OZ 3/16 PLY BALSA __ BLOCK -23 3/16 SQ SPRUCE 3/16 SQ BALSA UPRIGHTS 1/4 x 3/8 BALS4 1/8 SQ 3/4 TAILWHEEL CG TAILWHEEL BRACKET 3/16 SQ CROSS BRACES TOP AND BOTTOM BALSA I/4x 1/2l/16x 3/16 CAPSTRIPS RlBS 1/16 BALSA 1/16 WIRE PUSHROD ALUM TUBE 3/16 BALSA- ING GEAR -7 1/4 SQ TOP BOTTOM DUMMY CYLINDER 1/8 ALUM TUBE /32 PLY FINS 1/16 BALSA SPACERS I/4x 3/4 N -7 N N 7 . 1/2 BALSA . WINGTIPS 1/16 BALSA 1/4 x 1/2 Q N! III II 1/4 x 3/8 2 BALSA- effect designing balanced Pat tern modeland cute little airplane same time What evolved nicest-flying machine have ever Its perfect its vely good Swallow flies easily its light wing loading Takeoffs straight will slow walking speed landing has no bad habits Inside outside performance almost equal will turn square corners like Control Line Stunter Knife-edge flight balanced no need aileron correction speed side area enough sustained knifeedge flying Yet capable knife-edge knife-edge snap rolls Outside snap rolls easy inside snap rolls difficult must forced plane just too stable What impressive about Swallow quickly becomes com fortable fly very fast feels docile Still very responsive will whatever maneuvers want Construction build 5-lb airplane weighs 3 lb requires some changes building habits thinking did use special techniques building Swallow nor did use super-light wood Most wood used medium weight just used less Zap CA used construction Avoid epoxy structure Swallow engi neeredto strong does need larger wood sizes additional rein forcement add weight requires stronger airframe heavier throws us vicious circle Just build carefully thoughtfully Swallow large wheels dummy engine pilot weighs 3 lb 7 oz ready fly Fuselage built first Make two sides over plan covered wax paper Saran Wrap Use /l6 sq spruce longerons balsa uprights crosspieces diagonals Drill engine mount attach firewall F-i Glue F-i F-2 F-2A F-3 fuselage side add other fuselage side Pull tail together add rear crosspieces Glue cockpit floor F-4 F-S Glue *-in-sq top forward stringer 146 top forward sheeting Glue F-6 F-7 F-8 top h-in sq spruce stringers originally planned 32 Model Aviation part tail surface triangular making structure strong rigidyet light aileron linkage seen top solder link attaches Goldberg 1/16-in aileron pushrod belicrank pushrod servo belicrank 1/16-inwireisused Notel/8-in balsagus set between trailing edge Rib W-5 n wn~ ,aent Theforward portion wing isa fupbals0 0ear webs betweenars Panels joined piece 3-ln-wide fiberglass cloth/resin makes center section very strong fuselage longerons stringers spruce extra strength uprights diagonals crosspieces balsa astheirstress loads less Top sheeting 1/16-in balsa care must taken handling modelbut adequate flight strength bare bones ot 5-Ib model mat weigns ia OZ R iignierairrame permorms Duller IM DOWEL fS V2 ir NIwwisI1T IIHIlLJL~IIALOEIS UIII_____ dlLrz 1f1B BALSA N ii N ii 1116-7lw-Klw-sliiz::FzzzzINNW7Nw-s11W-S 3D~11W-SSI-Iw-2W-3AJIW-3Jw5w- y 16 00 16W16W 16001 000 16K16 1K wlSE/ K BALSASING WITH S W GLASS ABLON APE SiMS BROW OR CA RUlE I/H BALSA EIUS RIB VBx 1f0 L55Q TOP II SOLDER CIEVISINii UII IfIK BALSAIIN IH 316III I SMALL CONTROL SORB IfH LIT PLY I/O BALSA WINOTYPS 16-10 I/H DEIEORAL UNDER F-HF-5 msIfIK BALSAI/IS BALGA SHEON WEBBELLCRANK F-I UIK PLO F-3 1/B LITE 210516BACKRESTPLO 3/16 PLY IVIK BALSASOLDERSMALL HORNI/H SfB1/4 3fH 40-46 POOR CYCLELJPLY MOUNTCU I/IA AlL J TEC PRESRILLES_______________ I/B ALIM -pI/H DOWEL 1/30 PLY FINSGLOW PWG 10-7 MASTER AIBACREW PROPELLER COCERIT FLOORII/B 55 BALSAIf IN PLY H-K OZ TANKI ALIAS BALSAfIR BALSA ---I BALBAOf 6 SQ SPRUDEIf K BALSA BLOCK-V4 SO3f IS SO BALSA F-2BALANCE3/IN BALSA SAROOS RORTS WIRE II IfS TRIANGLEF-SAF-S-CS TAILWREEL3/B TAILWREEL I/O BALSA-BRACKET C16-IAK-I-3/16 SQ GHGSCE I/B LITE PLYIfH-20 NYLON BOLT BALSA B PLY DERVO IAJGNT S IfS 161-EELS Sf35 WIRE LASKINGS GEAR SI F SORT WIIIOQHELO 030 BATYBATE CONTROL MO/EMENT AILERONS 5 EACH WAY ELEVATOR fO-3f4" RUDOERI 5 SWAm 1W WINGSFSN SB AREA 540 55 IN LENGTH 55 WEIGHT 3 IfS LBS BY FRES REESE use lighter balsa stringers kept breaking handling model re placed spruce Glue little wedge 6-in balsa between bottom longerons tail tail wheel bracket Glue F-9 wing mount Wing Build before going further fuselage Make photocopies wing ribs cut out paper rib pattern Rubber cement two sheets of/16 x 3 x 36-in balsa together rubber cement paper ribs wood Spray contact cement can also used Cut ribs out little oversized Dremel jigsaw X-Acto knife sand final shape Glue A6 plywood rib doublers W-lA W-3A W-1 W 3 Cut away aileron portions W-6 w-10 wing builds flat over plan cov ered wax paper Glue bottom in-sq hard balsa spar edge /i6 bottom sheeting pin plan Pin down /16 x 6 shims about d n trailing edge ahead behind n aileron spars Glue Ribs W-l W-5 W-l0 bottom wing spar Pin glue place trailing edge aileron spars Add remainder ribs Glue /16 x inner leading edge top -in-sq spar Pull lower sheet up glue ribs leading edge Cut away sheeting landing gear block glue block wing Add n pine hardwood vertical gear block W-1 reinforce scraps n balsa between top spar leading edge Glue Y16 sheet balsa vertical-grain shear webs between spars ribs Add A6 center sheeting wing tips Cut away ailerons add cap strips sand wing panel final shape Install aileron linkage now letting pushrods extend past W- 1 about pushrod ends link aileron servo will joined later piece brass tube solder Zap two wing panels together blocking up wing tip 2 used 3-in-wide fiberglass cloth Ace RC K&B finishing resin reinforce wing center joint glass cloth first spot-Zapped place flowed resin saturate weave Excess resin blotted off Kleenex Only little sanding some Model Magic filler needed along edges before covering Fit wing fuselage drill leading edge -in dowel using hole F-2 guide Drill trailing edge wing down through F-9 Y16-in bit follow -20 tap Drill out wing hole hole threads F-9 Glue bottom -in Lite Ply between F- 1 F-2 Add cowl Build tail surfaces over plan using medium balsa little piece 6 1/32 plywood rudder will prevent tail wheel ripping out Final details Cover parts airplane separately trim away covering between glue joints Glue rudder stabilizer fuselage hinge control surfaces Keep hinge gaps minimum preferably seal gaps tape strips covering used red EconoKote covering white MonoKote Trim sheets numbers trim dummy cylinder making 0S FS-40 twin fun part airplane looked real people tended stare perplexed until told fake A2 ply fins cut out scissors match engine fins /16 balsa circles cut spacers cylinder painted Aero Gloss silver Real screws could used used -in lengths Nyrod painted black screw heads K&S -in aluminum tube used pushrods -in alum inum tube exhaust Use own engine guide size shape parts Micro servos necessary model nice have used Ace RC Silver Seven receiver Micro servos 250 mAh battery pack glued servos trays little dabs silicon made balsa-and-ply wood servo tray aileron servo screwed balsa-and-plywood rails glued wing Flying No surprises Just point down runway push throttle stop push some right rudder little up elevator airplane will flying almost instantly hope lot will build airplane apply some building techniques design reduce weight next project Everyone should have airplane flies like 34 Model Aviation Lightweight easy-to-construct cockpit details instrument panel 1/16-in balsa covered paper wood grain cut magazine Paper instruments glued behind holes cut balsa sharpened brass tube Panel front covered clear plastic packing tape seal paper give instruments clear glazing cockpit floor covered lightweight card stock spray-painted flat black Balsa backrest pre-finished resin painted brown Pilot figure painted Pactra enamels Finished cockpit complete radio switch Inside cockpitwas painted silver before covering fuselage adding cockpit details Windshield first formed over tin can oven Glue windshield place RC-56 nice finishing touch
Edition: Model Aviation - 1986/10
Page Numbers: 28, 29, 30, 31, 32, 33, 34
ame U model iea sic Ic yet Pa sEF itly-cor 2ted e engine power Requires 40 BigDont overwhethe perfectIl-field plane Builtoke THIS DESIGN actually came about two years ago m effort utilize per formance 40 four-cycle engines time Enya Saito OS 40s club members being flown Falcons like weighed about 5 lb Performance marginal pleasant club member Harry Stewart showed up field modified Midwest Taylorcraft weighed 4 lb strong OS FS-40 performance Taylorcraft out standing little airplane opened up eyes potential docile engines propeller extract potential Master Airscrew 10 x 7 perfect propeller type model design four-cycle 40s After much discussion reasoned fly way wanted model should weigh less 3 lb have wing area over 500 sq Some club members flying IMAC pattern felt 40s could com petitive Sportsman category drawn airplane couple years earlier sort fit requirements liked concept redrew plans update ideas other major flying characteristics incorporated design good inside outside looping ability neutral knife-edge flight 30 Model Aviation trauma-tree operation Tull length a-In landing gear blocksand 5/32-In wire strutswore used fortheir strength reliability resistance damage rough landings con trol horns secured 1/s-in Lite Ply plates ailerons #2 sheet metal screws Author used Du-Bro 1/2A control horns small Kletthingesandtailwheel bracketare Goldberg Control movement aft CG location gradually increased effort improve snap rolls later returnedto original settings Adjustthe con trol surface limits suit preference 1/1 6-in aileron pushrods link servo soldered together inside brasstubewhich makes perfectaiignment easy homemade servo mount built balsa plywood mounted rails glued wing Foam tape 1/16-in applied wing rather saddle 2-in Williams Bros standard pilot really completes model especially flight recelverewitch also cockpit located justahead pilot Little dots epoxywere applied windshield before framework painted simulation rivets authors model came out nose-heavy battery pack behind receiver under sliding balsa cover servos mounted far aft possible Flexible cable used throttle control charge plug fuselage side opposite exhaust SWALLOW BY FRED REESE 1/4 BALSA I/16x /4 030 BUTYRATE I/B SO SPRUCE STRINGERS ENGINE 40-46 FOUR CYCLE OS FS-40 SHOWN 1/4 BALSA 10-7 PROPELLER 4-6 OZ 3/16 PLY BALSA __ BLOCK -23 3/16 SQ SPRUCE 3/16 SQ BALSA UPRIGHTS 1/4 x 3/8 BALS4 1/8 SQ 3/4 TAILWHEEL CG TAILWHEEL BRACKET 3/16 SQ CROSS BRACES TOP AND BOTTOM BALSA I/4x 1/2l/16x 3/16 CAPSTRIPS RlBS 1/16 BALSA 1/16 WIRE PUSHROD ALUM TUBE 3/16 BALSA- ING GEAR -7 1/4 SQ TOP BOTTOM DUMMY CYLINDER 1/8 ALUM TUBE /32 PLY FINS 1/16 BALSA SPACERS I/4x 3/4 N -7 N N 7 . 1/2 BALSA . WINGTIPS 1/16 BALSA 1/4 x 1/2 Q N! III II 1/4 x 3/8 2 BALSA- effect designing balanced Pat tern modeland cute little airplane same time What evolved nicest-flying machine have ever Its perfect its vely good Swallow flies easily its light wing loading Takeoffs straight will slow walking speed landing has no bad habits Inside outside performance almost equal will turn square corners like Control Line Stunter Knife-edge flight balanced no need aileron correction speed side area enough sustained knifeedge flying Yet capable knife-edge knife-edge snap rolls Outside snap rolls easy inside snap rolls difficult must forced plane just too stable What impressive about Swallow quickly becomes com fortable fly very fast feels docile Still very responsive will whatever maneuvers want Construction build 5-lb airplane weighs 3 lb requires some changes building habits thinking did use special techniques building Swallow nor did use super-light wood Most wood used medium weight just used less Zap CA used construction Avoid epoxy structure Swallow engi neeredto strong does need larger wood sizes additional rein forcement add weight requires stronger airframe heavier throws us vicious circle Just build carefully thoughtfully Swallow large wheels dummy engine pilot weighs 3 lb 7 oz ready fly Fuselage built first Make two sides over plan covered wax paper Saran Wrap Use /l6 sq spruce longerons balsa uprights crosspieces diagonals Drill engine mount attach firewall F-i Glue F-i F-2 F-2A F-3 fuselage side add other fuselage side Pull tail together add rear crosspieces Glue cockpit floor F-4 F-S Glue *-in-sq top forward stringer 146 top forward sheeting Glue F-6 F-7 F-8 top h-in sq spruce stringers originally planned 32 Model Aviation part tail surface triangular making structure strong rigidyet light aileron linkage seen top solder link attaches Goldberg 1/16-in aileron pushrod belicrank pushrod servo belicrank 1/16-inwireisused Notel/8-in balsagus set between trailing edge Rib W-5 n wn~ ,aent Theforward portion wing isa fupbals0 0ear webs betweenars Panels joined piece 3-ln-wide fiberglass cloth/resin makes center section very strong fuselage longerons stringers spruce extra strength uprights diagonals crosspieces balsa astheirstress loads less Top sheeting 1/16-in balsa care must taken handling modelbut adequate flight strength bare bones ot 5-Ib model mat weigns ia OZ R iignierairrame permorms Duller IM DOWEL fS V2 ir NIwwisI1T IIHIlLJL~IIALOEIS UIII_____ dlLrz 1f1B BALSA N ii N ii 1116-7lw-Klw-sliiz::FzzzzINNW7Nw-s11W-S 3D~11W-SSI-Iw-2W-3AJIW-3Jw5w- y 16 00 16W16W 16001 000 16K16 1K wlSE/ K BALSASING WITH S W GLASS ABLON APE SiMS BROW OR CA RUlE I/H BALSA EIUS RIB VBx 1f0 L55Q TOP II SOLDER CIEVISINii UII IfIK BALSAIIN IH 316III I SMALL CONTROL SORB IfH LIT PLY I/O BALSA WINOTYPS 16-10 I/H DEIEORAL UNDER F-HF-5 msIfIK BALSAI/IS BALGA SHEON WEBBELLCRANK F-I UIK PLO F-3 1/B LITE 210516BACKRESTPLO 3/16 PLY IVIK BALSASOLDERSMALL HORNI/H SfB1/4 3fH 40-46 POOR CYCLELJPLY MOUNTCU I/IA AlL J TEC PRESRILLES_______________ I/B ALIM -pI/H DOWEL 1/30 PLY FINSGLOW PWG 10-7 MASTER AIBACREW PROPELLER COCERIT FLOORII/B 55 BALSAIf IN PLY H-K OZ TANKI ALIAS BALSAfIR BALSA ---I BALBAOf 6 SQ SPRUDEIf K BALSA BLOCK-V4 SO3f IS SO BALSA F-2BALANCE3/IN BALSA SAROOS RORTS WIRE II IfS TRIANGLEF-SAF-S-CS TAILWREEL3/B TAILWREEL I/O BALSA-BRACKET C16-IAK-I-3/16 SQ GHGSCE I/B LITE PLYIfH-20 NYLON BOLT BALSA B PLY DERVO IAJGNT S IfS 161-EELS Sf35 WIRE LASKINGS GEAR SI F SORT WIIIOQHELO 030 BATYBATE CONTROL MO/EMENT AILERONS 5 EACH WAY ELEVATOR fO-3f4" RUDOERI 5 SWAm 1W WINGSFSN SB AREA 540 55 IN LENGTH 55 WEIGHT 3 IfS LBS BY FRES REESE use lighter balsa stringers kept breaking handling model re placed spruce Glue little wedge 6-in balsa between bottom longerons tail tail wheel bracket Glue F-9 wing mount Wing Build before going further fuselage Make photocopies wing ribs cut out paper rib pattern Rubber cement two sheets of/16 x 3 x 36-in balsa together rubber cement paper ribs wood Spray contact cement can also used Cut ribs out little oversized Dremel jigsaw X-Acto knife sand final shape Glue A6 plywood rib doublers W-lA W-3A W-1 W 3 Cut away aileron portions W-6 w-10 wing builds flat over plan cov ered wax paper Glue bottom in-sq hard balsa spar edge /i6 bottom sheeting pin plan Pin down /16 x 6 shims about d n trailing edge ahead behind n aileron spars Glue Ribs W-l W-5 W-l0 bottom wing spar Pin glue place trailing edge aileron spars Add remainder ribs Glue /16 x inner leading edge top -in-sq spar Pull lower sheet up glue ribs leading edge Cut away sheeting landing gear block glue block wing Add n pine hardwood vertical gear block W-1 reinforce scraps n balsa between top spar leading edge Glue Y16 sheet balsa vertical-grain shear webs between spars ribs Add A6 center sheeting wing tips Cut away ailerons add cap strips sand wing panel final shape Install aileron linkage now letting pushrods extend past W- 1 about pushrod ends link aileron servo will joined later piece brass tube solder Zap two wing panels together blocking up wing tip 2 used 3-in-wide fiberglass cloth Ace RC K&B finishing resin reinforce wing center joint glass cloth first spot-Zapped place flowed resin saturate weave Excess resin blotted off Kleenex Only little sanding some Model Magic filler needed along edges before covering Fit wing fuselage drill leading edge -in dowel using hole F-2 guide Drill trailing edge wing down through F-9 Y16-in bit follow -20 tap Drill out wing hole hole threads F-9 Glue bottom -in Lite Ply between F- 1 F-2 Add cowl Build tail surfaces over plan using medium balsa little piece 6 1/32 plywood rudder will prevent tail wheel ripping out Final details Cover parts airplane separately trim away covering between glue joints Glue rudder stabilizer fuselage hinge control surfaces Keep hinge gaps minimum preferably seal gaps tape strips covering used red EconoKote covering white MonoKote Trim sheets numbers trim dummy cylinder making 0S FS-40 twin fun part airplane looked real people tended stare perplexed until told fake A2 ply fins cut out scissors match engine fins /16 balsa circles cut spacers cylinder painted Aero Gloss silver Real screws could used used -in lengths Nyrod painted black screw heads K&S -in aluminum tube used pushrods -in alum inum tube exhaust Use own engine guide size shape parts Micro servos necessary model nice have used Ace RC Silver Seven receiver Micro servos 250 mAh battery pack glued servos trays little dabs silicon made balsa-and-ply wood servo tray aileron servo screwed balsa-and-plywood rails glued wing Flying No surprises Just point down runway push throttle stop push some right rudder little up elevator airplane will flying almost instantly hope lot will build airplane apply some building techniques design reduce weight next project Everyone should have airplane flies like 34 Model Aviation Lightweight easy-to-construct cockpit details instrument panel 1/16-in balsa covered paper wood grain cut magazine Paper instruments glued behind holes cut balsa sharpened brass tube Panel front covered clear plastic packing tape seal paper give instruments clear glazing cockpit floor covered lightweight card stock spray-painted flat black Balsa backrest pre-finished resin painted brown Pilot figure painted Pactra enamels Finished cockpit complete radio switch Inside cockpitwas painted silver before covering fuselage adding cockpit details Windshield first formed over tin can oven Glue windshield place RC-56 nice finishing touch
Edition: Model Aviation - 1986/10
Page Numbers: 28, 29, 30, 31, 32, 33, 34
ame U model iea sic Ic yet Pa sEF itly-cor 2ted e engine power Requires 40 BigDont overwhethe perfectIl-field plane Builtoke THIS DESIGN actually came about two years ago m effort utilize per formance 40 four-cycle engines time Enya Saito OS 40s club members being flown Falcons like weighed about 5 lb Performance marginal pleasant club member Harry Stewart showed up field modified Midwest Taylorcraft weighed 4 lb strong OS FS-40 performance Taylorcraft out standing little airplane opened up eyes potential docile engines propeller extract potential Master Airscrew 10 x 7 perfect propeller type model design four-cycle 40s After much discussion reasoned fly way wanted model should weigh less 3 lb have wing area over 500 sq Some club members flying IMAC pattern felt 40s could com petitive Sportsman category drawn airplane couple years earlier sort fit requirements liked concept redrew plans update ideas other major flying characteristics incorporated design good inside outside looping ability neutral knife-edge flight 30 Model Aviation trauma-tree operation Tull length a-In landing gear blocksand 5/32-In wire strutswore used fortheir strength reliability resistance damage rough landings con trol horns secured 1/s-in Lite Ply plates ailerons #2 sheet metal screws Author used Du-Bro 1/2A control horns small Kletthingesandtailwheel bracketare Goldberg Control movement aft CG location gradually increased effort improve snap rolls later returnedto original settings Adjustthe con trol surface limits suit preference 1/1 6-in aileron pushrods link servo soldered together inside brasstubewhich makes perfectaiignment easy homemade servo mount built balsa plywood mounted rails glued wing Foam tape 1/16-in applied wing rather saddle 2-in Williams Bros standard pilot really completes model especially flight recelverewitch also cockpit located justahead pilot Little dots epoxywere applied windshield before framework painted simulation rivets authors model came out nose-heavy battery pack behind receiver under sliding balsa cover servos mounted far aft possible Flexible cable used throttle control charge plug fuselage side opposite exhaust SWALLOW BY FRED REESE 1/4 BALSA I/16x /4 030 BUTYRATE I/B SO SPRUCE STRINGERS ENGINE 40-46 FOUR CYCLE OS FS-40 SHOWN 1/4 BALSA 10-7 PROPELLER 4-6 OZ 3/16 PLY BALSA __ BLOCK -23 3/16 SQ SPRUCE 3/16 SQ BALSA UPRIGHTS 1/4 x 3/8 BALS4 1/8 SQ 3/4 TAILWHEEL CG TAILWHEEL BRACKET 3/16 SQ CROSS BRACES TOP AND BOTTOM BALSA I/4x 1/2l/16x 3/16 CAPSTRIPS RlBS 1/16 BALSA 1/16 WIRE PUSHROD ALUM TUBE 3/16 BALSA- ING GEAR -7 1/4 SQ TOP BOTTOM DUMMY CYLINDER 1/8 ALUM TUBE /32 PLY FINS 1/16 BALSA SPACERS I/4x 3/4 N -7 N N 7 . 1/2 BALSA . WINGTIPS 1/16 BALSA 1/4 x 1/2 Q N! III II 1/4 x 3/8 2 BALSA- effect designing balanced Pat tern modeland cute little airplane same time What evolved nicest-flying machine have ever Its perfect its vely good Swallow flies easily its light wing loading Takeoffs straight will slow walking speed landing has no bad habits Inside outside performance almost equal will turn square corners like Control Line Stunter Knife-edge flight balanced no need aileron correction speed side area enough sustained knifeedge flying Yet capable knife-edge knife-edge snap rolls Outside snap rolls easy inside snap rolls difficult must forced plane just too stable What impressive about Swallow quickly becomes com fortable fly very fast feels docile Still very responsive will whatever maneuvers want Construction build 5-lb airplane weighs 3 lb requires some changes building habits thinking did use special techniques building Swallow nor did use super-light wood Most wood used medium weight just used less Zap CA used construction Avoid epoxy structure Swallow engi neeredto strong does need larger wood sizes additional rein forcement add weight requires stronger airframe heavier throws us vicious circle Just build carefully thoughtfully Swallow large wheels dummy engine pilot weighs 3 lb 7 oz ready fly Fuselage built first Make two sides over plan covered wax paper Saran Wrap Use /l6 sq spruce longerons balsa uprights crosspieces diagonals Drill engine mount attach firewall F-i Glue F-i F-2 F-2A F-3 fuselage side add other fuselage side Pull tail together add rear crosspieces Glue cockpit floor F-4 F-S Glue *-in-sq top forward stringer 146 top forward sheeting Glue F-6 F-7 F-8 top h-in sq spruce stringers originally planned 32 Model Aviation part tail surface triangular making structure strong rigidyet light aileron linkage seen top solder link attaches Goldberg 1/16-in aileron pushrod belicrank pushrod servo belicrank 1/16-inwireisused Notel/8-in balsagus set between trailing edge Rib W-5 n wn~ ,aent Theforward portion wing isa fupbals0 0ear webs betweenars Panels joined piece 3-ln-wide fiberglass cloth/resin makes center section very strong fuselage longerons stringers spruce extra strength uprights diagonals crosspieces balsa astheirstress loads less Top sheeting 1/16-in balsa care must taken handling modelbut adequate flight strength bare bones ot 5-Ib model mat weigns ia OZ R iignierairrame permorms Duller IM DOWEL fS V2 ir NIwwisI1T IIHIlLJL~IIALOEIS UIII_____ dlLrz 1f1B BALSA N ii N ii 1116-7lw-Klw-sliiz::FzzzzINNW7Nw-s11W-S 3D~11W-SSI-Iw-2W-3AJIW-3Jw5w- y 16 00 16W16W 16001 000 16K16 1K wlSE/ K BALSASING WITH S W GLASS ABLON APE SiMS BROW OR CA RUlE I/H BALSA EIUS RIB VBx 1f0 L55Q TOP II SOLDER CIEVISINii UII IfIK BALSAIIN IH 316III I SMALL CONTROL SORB IfH LIT PLY I/O BALSA WINOTYPS 16-10 I/H DEIEORAL UNDER F-HF-5 msIfIK BALSAI/IS BALGA SHEON WEBBELLCRANK F-I UIK PLO F-3 1/B LITE 210516BACKRESTPLO 3/16 PLY IVIK BALSASOLDERSMALL HORNI/H SfB1/4 3fH 40-46 POOR CYCLELJPLY MOUNTCU I/IA AlL J TEC PRESRILLES_______________ I/B ALIM -pI/H DOWEL 1/30 PLY FINSGLOW PWG 10-7 MASTER AIBACREW PROPELLER COCERIT FLOORII/B 55 BALSAIf IN PLY H-K OZ TANKI ALIAS BALSAfIR BALSA ---I BALBAOf 6 SQ SPRUDEIf K BALSA BLOCK-V4 SO3f IS SO BALSA F-2BALANCE3/IN BALSA SAROOS RORTS WIRE II IfS TRIANGLEF-SAF-S-CS TAILWREEL3/B TAILWREEL I/O BALSA-BRACKET C16-IAK-I-3/16 SQ GHGSCE I/B LITE PLYIfH-20 NYLON BOLT BALSA B PLY DERVO IAJGNT S IfS 161-EELS Sf35 WIRE LASKINGS GEAR SI F SORT WIIIOQHELO 030 BATYBATE CONTROL MO/EMENT AILERONS 5 EACH WAY ELEVATOR fO-3f4" RUDOERI 5 SWAm 1W WINGSFSN SB AREA 540 55 IN LENGTH 55 WEIGHT 3 IfS LBS BY FRES REESE use lighter balsa stringers kept breaking handling model re placed spruce Glue little wedge 6-in balsa between bottom longerons tail tail wheel bracket Glue F-9 wing mount Wing Build before going further fuselage Make photocopies wing ribs cut out paper rib pattern Rubber cement two sheets of/16 x 3 x 36-in balsa together rubber cement paper ribs wood Spray contact cement can also used Cut ribs out little oversized Dremel jigsaw X-Acto knife sand final shape Glue A6 plywood rib doublers W-lA W-3A W-1 W 3 Cut away aileron portions W-6 w-10 wing builds flat over plan cov ered wax paper Glue bottom in-sq hard balsa spar edge /i6 bottom sheeting pin plan Pin down /16 x 6 shims about d n trailing edge ahead behind n aileron spars Glue Ribs W-l W-5 W-l0 bottom wing spar Pin glue place trailing edge aileron spars Add remainder ribs Glue /16 x inner leading edge top -in-sq spar Pull lower sheet up glue ribs leading edge Cut away sheeting landing gear block glue block wing Add n pine hardwood vertical gear block W-1 reinforce scraps n balsa between top spar leading edge Glue Y16 sheet balsa vertical-grain shear webs between spars ribs Add A6 center sheeting wing tips Cut away ailerons add cap strips sand wing panel final shape Install aileron linkage now letting pushrods extend past W- 1 about pushrod ends link aileron servo will joined later piece brass tube solder Zap two wing panels together blocking up wing tip 2 used 3-in-wide fiberglass cloth Ace RC K&B finishing resin reinforce wing center joint glass cloth first spot-Zapped place flowed resin saturate weave Excess resin blotted off Kleenex Only little sanding some Model Magic filler needed along edges before covering Fit wing fuselage drill leading edge -in dowel using hole F-2 guide Drill trailing edge wing down through F-9 Y16-in bit follow -20 tap Drill out wing hole hole threads F-9 Glue bottom -in Lite Ply between F- 1 F-2 Add cowl Build tail surfaces over plan using medium balsa little piece 6 1/32 plywood rudder will prevent tail wheel ripping out Final details Cover parts airplane separately trim away covering between glue joints Glue rudder stabilizer fuselage hinge control surfaces Keep hinge gaps minimum preferably seal gaps tape strips covering used red EconoKote covering white MonoKote Trim sheets numbers trim dummy cylinder making 0S FS-40 twin fun part airplane looked real people tended stare perplexed until told fake A2 ply fins cut out scissors match engine fins /16 balsa circles cut spacers cylinder painted Aero Gloss silver Real screws could used used -in lengths Nyrod painted black screw heads K&S -in aluminum tube used pushrods -in alum inum tube exhaust Use own engine guide size shape parts Micro servos necessary model nice have used Ace RC Silver Seven receiver Micro servos 250 mAh battery pack glued servos trays little dabs silicon made balsa-and-ply wood servo tray aileron servo screwed balsa-and-plywood rails glued wing Flying No surprises Just point down runway push throttle stop push some right rudder little up elevator airplane will flying almost instantly hope lot will build airplane apply some building techniques design reduce weight next project Everyone should have airplane flies like 34 Model Aviation Lightweight easy-to-construct cockpit details instrument panel 1/16-in balsa covered paper wood grain cut magazine Paper instruments glued behind holes cut balsa sharpened brass tube Panel front covered clear plastic packing tape seal paper give instruments clear glazing cockpit floor covered lightweight card stock spray-painted flat black Balsa backrest pre-finished resin painted brown Pilot figure painted Pactra enamels Finished cockpit complete radio switch Inside cockpitwas painted silver before covering fuselage adding cockpit details Windshield first formed over tin can oven Glue windshield place RC-56 nice finishing touch
Edition: Model Aviation - 1986/10
Page Numbers: 28, 29, 30, 31, 32, 33, 34
ame U model iea sic Ic yet Pa sEF itly-cor 2ted e engine power Requires 40 BigDont overwhethe perfectIl-field plane Builtoke THIS DESIGN actually came about two years ago m effort utilize per formance 40 four-cycle engines time Enya Saito OS 40s club members being flown Falcons like weighed about 5 lb Performance marginal pleasant club member Harry Stewart showed up field modified Midwest Taylorcraft weighed 4 lb strong OS FS-40 performance Taylorcraft out standing little airplane opened up eyes potential docile engines propeller extract potential Master Airscrew 10 x 7 perfect propeller type model design four-cycle 40s After much discussion reasoned fly way wanted model should weigh less 3 lb have wing area over 500 sq Some club members flying IMAC pattern felt 40s could com petitive Sportsman category drawn airplane couple years earlier sort fit requirements liked concept redrew plans update ideas other major flying characteristics incorporated design good inside outside looping ability neutral knife-edge flight 30 Model Aviation trauma-tree operation Tull length a-In landing gear blocksand 5/32-In wire strutswore used fortheir strength reliability resistance damage rough landings con trol horns secured 1/s-in Lite Ply plates ailerons #2 sheet metal screws Author used Du-Bro 1/2A control horns small Kletthingesandtailwheel bracketare Goldberg Control movement aft CG location gradually increased effort improve snap rolls later returnedto original settings Adjustthe con trol surface limits suit preference 1/1 6-in aileron pushrods link servo soldered together inside brasstubewhich makes perfectaiignment easy homemade servo mount built balsa plywood mounted rails glued wing Foam tape 1/16-in applied wing rather saddle 2-in Williams Bros standard pilot really completes model especially flight recelverewitch also cockpit located justahead pilot Little dots epoxywere applied windshield before framework painted simulation rivets authors model came out nose-heavy battery pack behind receiver under sliding balsa cover servos mounted far aft possible Flexible cable used throttle control charge plug fuselage side opposite exhaust SWALLOW BY FRED REESE 1/4 BALSA I/16x /4 030 BUTYRATE I/B SO SPRUCE STRINGERS ENGINE 40-46 FOUR CYCLE OS FS-40 SHOWN 1/4 BALSA 10-7 PROPELLER 4-6 OZ 3/16 PLY BALSA __ BLOCK -23 3/16 SQ SPRUCE 3/16 SQ BALSA UPRIGHTS 1/4 x 3/8 BALS4 1/8 SQ 3/4 TAILWHEEL CG TAILWHEEL BRACKET 3/16 SQ CROSS BRACES TOP AND BOTTOM BALSA I/4x 1/2l/16x 3/16 CAPSTRIPS RlBS 1/16 BALSA 1/16 WIRE PUSHROD ALUM TUBE 3/16 BALSA- ING GEAR -7 1/4 SQ TOP BOTTOM DUMMY CYLINDER 1/8 ALUM TUBE /32 PLY FINS 1/16 BALSA SPACERS I/4x 3/4 N -7 N N 7 . 1/2 BALSA . WINGTIPS 1/16 BALSA 1/4 x 1/2 Q N! III II 1/4 x 3/8 2 BALSA- effect designing balanced Pat tern modeland cute little airplane same time What evolved nicest-flying machine have ever Its perfect its vely good Swallow flies easily its light wing loading Takeoffs straight will slow walking speed landing has no bad habits Inside outside performance almost equal will turn square corners like Control Line Stunter Knife-edge flight balanced no need aileron correction speed side area enough sustained knifeedge flying Yet capable knife-edge knife-edge snap rolls Outside snap rolls easy inside snap rolls difficult must forced plane just too stable What impressive about Swallow quickly becomes com fortable fly very fast feels docile Still very responsive will whatever maneuvers want Construction build 5-lb airplane weighs 3 lb requires some changes building habits thinking did use special techniques building Swallow nor did use super-light wood Most wood used medium weight just used less Zap CA used construction Avoid epoxy structure Swallow engi neeredto strong does need larger wood sizes additional rein forcement add weight requires stronger airframe heavier throws us vicious circle Just build carefully thoughtfully Swallow large wheels dummy engine pilot weighs 3 lb 7 oz ready fly Fuselage built first Make two sides over plan covered wax paper Saran Wrap Use /l6 sq spruce longerons balsa uprights crosspieces diagonals Drill engine mount attach firewall F-i Glue F-i F-2 F-2A F-3 fuselage side add other fuselage side Pull tail together add rear crosspieces Glue cockpit floor F-4 F-S Glue *-in-sq top forward stringer 146 top forward sheeting Glue F-6 F-7 F-8 top h-in sq spruce stringers originally planned 32 Model Aviation part tail surface triangular making structure strong rigidyet light aileron linkage seen top solder link attaches Goldberg 1/16-in aileron pushrod belicrank pushrod servo belicrank 1/16-inwireisused Notel/8-in balsagus set between trailing edge Rib W-5 n wn~ ,aent Theforward portion wing isa fupbals0 0ear webs betweenars Panels joined piece 3-ln-wide fiberglass cloth/resin makes center section very strong fuselage longerons stringers spruce extra strength uprights diagonals crosspieces balsa astheirstress loads less Top sheeting 1/16-in balsa care must taken handling modelbut adequate flight strength bare bones ot 5-Ib model mat weigns ia OZ R iignierairrame permorms Duller IM DOWEL fS V2 ir NIwwisI1T IIHIlLJL~IIALOEIS UIII_____ dlLrz 1f1B BALSA N ii N ii 1116-7lw-Klw-sliiz::FzzzzINNW7Nw-s11W-S 3D~11W-SSI-Iw-2W-3AJIW-3Jw5w- y 16 00 16W16W 16001 000 16K16 1K wlSE/ K BALSASING WITH S W GLASS ABLON APE SiMS BROW OR CA RUlE I/H BALSA EIUS RIB VBx 1f0 L55Q TOP II SOLDER CIEVISINii UII IfIK BALSAIIN IH 316III I SMALL CONTROL SORB IfH LIT PLY I/O BALSA WINOTYPS 16-10 I/H DEIEORAL UNDER F-HF-5 msIfIK BALSAI/IS BALGA SHEON WEBBELLCRANK F-I UIK PLO F-3 1/B LITE 210516BACKRESTPLO 3/16 PLY IVIK BALSASOLDERSMALL HORNI/H SfB1/4 3fH 40-46 POOR CYCLELJPLY MOUNTCU I/IA AlL J TEC PRESRILLES_______________ I/B ALIM -pI/H DOWEL 1/30 PLY FINSGLOW PWG 10-7 MASTER AIBACREW PROPELLER COCERIT FLOORII/B 55 BALSAIf IN PLY H-K OZ TANKI ALIAS BALSAfIR BALSA ---I BALBAOf 6 SQ SPRUDEIf K BALSA BLOCK-V4 SO3f IS SO BALSA F-2BALANCE3/IN BALSA SAROOS RORTS WIRE II IfS TRIANGLEF-SAF-S-CS TAILWREEL3/B TAILWREEL I/O BALSA-BRACKET C16-IAK-I-3/16 SQ GHGSCE I/B LITE PLYIfH-20 NYLON BOLT BALSA B PLY DERVO IAJGNT S IfS 161-EELS Sf35 WIRE LASKINGS GEAR SI F SORT WIIIOQHELO 030 BATYBATE CONTROL MO/EMENT AILERONS 5 EACH WAY ELEVATOR fO-3f4" RUDOERI 5 SWAm 1W WINGSFSN SB AREA 540 55 IN LENGTH 55 WEIGHT 3 IfS LBS BY FRES REESE use lighter balsa stringers kept breaking handling model re placed spruce Glue little wedge 6-in balsa between bottom longerons tail tail wheel bracket Glue F-9 wing mount Wing Build before going further fuselage Make photocopies wing ribs cut out paper rib pattern Rubber cement two sheets of/16 x 3 x 36-in balsa together rubber cement paper ribs wood Spray contact cement can also used Cut ribs out little oversized Dremel jigsaw X-Acto knife sand final shape Glue A6 plywood rib doublers W-lA W-3A W-1 W 3 Cut away aileron portions W-6 w-10 wing builds flat over plan cov ered wax paper Glue bottom in-sq hard balsa spar edge /i6 bottom sheeting pin plan Pin down /16 x 6 shims about d n trailing edge ahead behind n aileron spars Glue Ribs W-l W-5 W-l0 bottom wing spar Pin glue place trailing edge aileron spars Add remainder ribs Glue /16 x inner leading edge top -in-sq spar Pull lower sheet up glue ribs leading edge Cut away sheeting landing gear block glue block wing Add n pine hardwood vertical gear block W-1 reinforce scraps n balsa between top spar leading edge Glue Y16 sheet balsa vertical-grain shear webs between spars ribs Add A6 center sheeting wing tips Cut away ailerons add cap strips sand wing panel final shape Install aileron linkage now letting pushrods extend past W- 1 about pushrod ends link aileron servo will joined later piece brass tube solder Zap two wing panels together blocking up wing tip 2 used 3-in-wide fiberglass cloth Ace RC K&B finishing resin reinforce wing center joint glass cloth first spot-Zapped place flowed resin saturate weave Excess resin blotted off Kleenex Only little sanding some Model Magic filler needed along edges before covering Fit wing fuselage drill leading edge -in dowel using hole F-2 guide Drill trailing edge wing down through F-9 Y16-in bit follow -20 tap Drill out wing hole hole threads F-9 Glue bottom -in Lite Ply between F- 1 F-2 Add cowl Build tail surfaces over plan using medium balsa little piece 6 1/32 plywood rudder will prevent tail wheel ripping out Final details Cover parts airplane separately trim away covering between glue joints Glue rudder stabilizer fuselage hinge control surfaces Keep hinge gaps minimum preferably seal gaps tape strips covering used red EconoKote covering white MonoKote Trim sheets numbers trim dummy cylinder making 0S FS-40 twin fun part airplane looked real people tended stare perplexed until told fake A2 ply fins cut out scissors match engine fins /16 balsa circles cut spacers cylinder painted Aero Gloss silver Real screws could used used -in lengths Nyrod painted black screw heads K&S -in aluminum tube used pushrods -in alum inum tube exhaust Use own engine guide size shape parts Micro servos necessary model nice have used Ace RC Silver Seven receiver Micro servos 250 mAh battery pack glued servos trays little dabs silicon made balsa-and-ply wood servo tray aileron servo screwed balsa-and-plywood rails glued wing Flying No surprises Just point down runway push throttle stop push some right rudder little up elevator airplane will flying almost instantly hope lot will build airplane apply some building techniques design reduce weight next project Everyone should have airplane flies like 34 Model Aviation Lightweight easy-to-construct cockpit details instrument panel 1/16-in balsa covered paper wood grain cut magazine Paper instruments glued behind holes cut balsa sharpened brass tube Panel front covered clear plastic packing tape seal paper give instruments clear glazing cockpit floor covered lightweight card stock spray-painted flat black Balsa backrest pre-finished resin painted brown Pilot figure painted Pactra enamels Finished cockpit complete radio switch Inside cockpitwas painted silver before covering fuselage adding cockpit details Windshield first formed over tin can oven Glue windshield place RC-56 nice finishing touch