NO OCR TEXT NO OCR TEXT side stabilizer New bolts repaired stab repairs make As designed 4-40 sufficiently strong Construction Read text study plans until everything clear cut out kit parts trans ferring shapes drawings wood aid carbon paper holes should drilied parts shaped model very easy construct keep alignment Use good flat building surface follow sound princi pies craftsmanship assure good ffight performance wood sizes standard such found hobby shops Ute Ply also known poplar ply door skins Some large building supply stores sell it also Sig product available hobby shops landing gear wheel pants can ordered direct Sig Mfg Co replacement parts Sig kits Hayes AL-40 engine mount perfect fit 05 4OFS nsing Saito Enya four-stroke some other engine mount may needed prototypes constructed almost entirely thick cyanoacrylate CyA glue exception firewall wing joints 4-40 designed nsing MonoKote covering wings rigidity provides Fuselage Develop right side tracing over carbon paper onto Ute Ply Mark bulkhead other locations time Once cut out used pattern left side nose blocks h-in triangular stock wing saddle serve locators bulkheads should adhered sides thick CyA 5-mm epoxy making sure bulkheads fit well basic box can assembled over top view plans fuselage top surface flat drawing Make certain sides parallel right angles building board Slip bulkheads place align everything before flowing CyA glue joints Once section planked set tail post pulled together cross braces added Remove assembly work surface add turtledeckformers uwrnuuuE IuIW UW ram pruuumnlnasy plans now nusoveri OUTII9flTSOfl miana nas maaterea numberofasrob mmneuvera ranL 32 Model Aviation uuxieun-yar-oua nanay ukeulon 5flOWS OTT 4-40 WIth wagon background Scene old Port Lamed Kansas CKUCKWk AkCIarkA FUEUH FLUHT FINE THING FEW oYsTRiTIw4G-D0NTA64 UE6TN6SOMU800V IS CONTROLLING OFF AND iVE 6OTO I4EI.PYOU OT C DESThJE RI4ICT NOW TI4s S GiRLS AND ia CHiP FIND ONE PH SIZECAPER GOING ARE T14061AN5WIRI TOO-hN07NO51FIND OUT NOW i4u/u DOES GIRL OR 441 QUTS \4RKN6DOu5 pIALLy PEAL i061T6 ARE REAL U WLV SYHELPINI OLITW FORMEF - _ ~- NOT LIVE 5TANKS TO 4OLD MORE FUEL BOY &. AIRPLANI AL4U FOR THiS SIDETRACK f S. Rb IN WING BASE AILERON CRANKS 3/16 SHEET BALSA FIN AND RUDDER 3/16K V2I FIN MOUNTS 2 AWM cu io RUER V4 PLY3/4WHEELON I/16MW THRU 516 BRACKET S7I 2 I/B PLYVD BALSA CER OS FS4O 4 CYCLE EN6 ON HAYES AL4O MOUNT I/2SHEET NACELLE FLLERTO FIREWALL SiI 1/4 PLY FREWALL 1 I/2ThI-SrOcK 4-40 SCREWSIN 140 NUTS ON I/4PIY MOUNT vi 32 SHEET 3/16 BALSA WING SADDLE SIG SH 533 NTS w2 44WHEELS 014532 BOLTS THRJ SIG RP BA 249 KlALIER ME1L MOUNT 7 3/IX 3E SPPLJcE SFS TOPANOBOTIOM 3/32BALSA WEBS TIPS 3/8SQ BALSA LE 1/8 SbNOSE SIRINGERS IOPOILY I/B LITE PLY FUSELA3E SIDES 10 NOSE I/8SQ SPRUCE STRINGERS ON I/B FCRMERS 3/16X 1/2 SPREADERS TOP AND BOTTOM V16 SHEET TOPAND BOTTOM TE 1/4X 318 1 E SPAR I/4SHEETAiLERON lit BLOCKS BULT UP BALSA 1/B0IKM 3/32C- GRAIN RIBS Flying slow quiet late-arrivers tiying Tield nave heard wonder out loud can doing outsIde loops low throttle Depending upon control throw settings balance ships gentie enough beginner yet acrobatic forthe experienced stringers Note top spruce stringers inset balsa formers side units terminate against section 3/16-in scrap balsa sanded fair removable top hatch easily con structed tack-gluing block top cutting razor saw section Vs ply CyA-glued bottom rear stub drilled 4-40 blind nuts front ply stub CyA-glued remov able part slides under front attached section hold-down aluminum main gear unit supplied mounting holes pre-drilled use holes guide locate gear bottom mount gear could held #4 sheet metal screws 4-40 bolts blind nuts better wheels should mounted 5/32-in bolts nuts Use wheel collars posi tion clear pants Sig Fiberglass Master wheel pants held 4-40 bolts blind nuts set scrap ply epoxied inside pants steerable tail wheel screwed section inset tail wire tiller moved small strip tin bolted rudder prefer approach burying wire rudder since much less damage done twisted Complete fuselage contour-sand ing nose hatch Smooth everything 380-grit paper preparation cov ering painting dont cover fuselage until radio gear installed Tail surfaces Select firm light balsa stabilizer builds directly over plans other units cut sheet fin fits alignment slot stab prefer pinned type hinges free movement hinge slotting tool very useful After model covered painted control surfaces should hinged CyA-glue small segments tooth picks surfaces through hinges lock Wing ribs cut stacks using mas ter plywood patterns Carefully cut spar notches must reasonably tight fit spar thick CyA glue work properly wing panels mirror images another right wing panel can built back left wing drawing after first moistening area plan Wesson other cooking oil obtain degree transparency Construction bottom up Pin sheet trailing edge down flat position bottom spar use pre-cut shear webs position ribs CyA-glue joints Add top trailing edge sheet spars followed leading edge trailing edge Remove panel plans add center section sheeting Repeat opposite panel making sure center ribs have angled jig Block up tip 1Vs sand bevel panel flat board block up other full 3 epoxy center sections together wing being flat front bottom spar trailing edge greatly simplifies building jigging Cut well center section aileron servo line scrap balsa small section 3/16 -in basswood makes ideal screw retainer Wrap center section top bottom fiber glass cloth 5-min epoxy provides plenty strength needing ply dihedral braces Cut ailerons C-grain balsa sheet Trial-fit hinges horns remove horns fitted segments Sig Vs-in grooved landing gear blocks Use thick CyA adhere brass bearing slots sure clearance groove has 34 Model Aviation best RC Sailplane Old-Timer construction tech niques airframe isweli-stressed yet lightweight Lite Ply sides few bulkheads simple tail surfaces multi-spar wing turn otherwise plain-Jane box rather attractive model Use classic Goldberg Falcon wing airfoil models weight proved ideal match 40-sIze four-stroke engine 3/16 /2 BALSA STABILIZ R l-rnzzzXE RUDDER SLOT I_______ 3/16 BALSA1/16 MW SKEETJOINER 9/64 THROTTLE HSYESCABLE AL 401/B LITE9/64 THROTTLE MOUNTCABLE o0 1/4 FUEL LINE HOLES 1/4 PLY F-IF-2 TAPER PLY4-40 BOLTS B SIDESBLIND NUTS 3/B BALSA SHEET HAYES L MOTOR MOUNT_KIIIr1IjjirtJi 3/1655HARE BALSAII/BBALSA it SHEETTOP B SEE TEXT FOR AILERON DETAILS315 SR-54B STRIP AILERON1/4 BALSA SHEETDIHEDRAL 1-1/2 AT AILERONS3/B 1/4PINNED RINSESEACH WINB TIP CARVE SECTION OF SIG SR-6DD GROOVED BLOCK TO ONTOUR ON BOTTOM II/I6BALSAJJ _______ fiIi __INSET CENTER ___PLAN TOPVIEW SECTION _________________________________________________jI CLOT~ _________ LEFT PANEL~BALSAI TOPUE SPARS ~0 11iiiII ________Il __I —_II_____ _______________ ________ -h------V __TIFj ELEVATOR-7 TILT JIG LOCATION- WRAP CENTER RINSEWITH GLASG SIS MEDIUMLOCATIONAND EPOXY BORN I/B LITE PLY 11/64 FOR OUTER NYROD F-31/4 PLY LU MOUNT TOP DIHEDRAL JIG IIjp/BSISPRUCSPARS TOPAI"r J IF SO BALSA LEADING EDGE CARVE AFTER ASSEMBLY 771 TT17I-31s5 BALSA [LLILLII16 REQUIRED WEB PATTERN 1/5 BALSA BLOCKS WING TIP DETAIL POSITION RIBS WITH SHEER WEBS THEN ADD TOP SPAR 3/32 C-GRAIN BALSA1/16 BALSA CENTER3/32 C-GBAIN BALSA 6 REQUIREDSECTION SHEETING16 REGUIRED PLACE THROTTLE SERVO ON LEFTCENTER WING RIBSNOTEF WING PANELS BUILD _____________FLAT FROM BOTTOM SPAR TO TRAILING EDGE SHEET I/B L OFI&rFIFSPRUCE 1/4 PLY TAILWHEEL BOTTOM FILLER FUSELAGE VIEWS_______ 1/4 PLYWOOD______________ OSFS-40 FOURWILLIAMS BROSELEVATOR 3W B 3/B FRONT SECTION OF LANDING GEAR MOUNT S-US SPINNER9AREAIF/ S -IIGIG TAILWREEL BRACKET 3/4 TAILWHEEL 3/16 1/2 BALSAON 1/4 PLY INSET 1/2 BALSAI/B LITE PLYA LITE PLYCROSS BRACES FILLERIAROWOOD SERVO ODEL AVIATION 4-40 FOR 4 CYCLE 40 2-3/4 DIA WHEELS/I SPAN 5T 590 SO IN WEIGHT 64 OZ LOADING 16 OZJ 50 FT ON U-US BOLTS qpFFPANTS OR MAKE_____________________________________________ FROM FIBERGLASST-3T-4T-5T 6 DESIGNED & DRAWN BY DOC MATHEWS TRACING BY JOE DEMARCO Full-Size Plans Available. Page 180 Left Aileron installation cant get easier Right Uncomplicated decorations add much pleasing appearance model Pilot Williams Bros figure cut off neck Windscreen front section Sig canopy trimmed Stripe Rite tape tiller Use 5-mm epoxy hold block-horn unit trailing edge carve sand basswood match Carefully sand tip blocks shape sand entire wing preparation covering Radio installation 4-40s tend nose-heavy therefore found best mount flight battery behind #2 bulkhead scrap hard wood tween receiver servos best mounted three abreast watch out throttle servo OS 40 FS link engines left have shown holes nylon rods Bulkhead #3 rods criss-cross midway back fuselage order reduce angle cutout tail Anti-sway reinforcement rods should instal led about half-way back preference threaded rod screwed nylon inner section devises horn ends solder links servo ends Use whatever comfortable aileron hookup should use threaded rods solder links instances sure surfaces will move binds stiffness flight battery will give several additional flights per charge controls really free Finishing oovered open frame areas MonoKote including fuse lage turtledeck bottom fabrics would certainly work well fuselage likely easier finish MonoKote can successfully painted finger oils washed off thin ner before applying paint seal exposed wood two thin coats K&B Super Poxy clear sand ing smooth after second coat Two coats Super Poxy primer applied wood MonoKote again sanding after second coat Colored Super Poxy sprayed gives very attrac tive finish miaimum effort 4-40 just doesnt look right pilot canopy 2l-in Williams Bros unit must cut off neck look right epoxy scrap balsa am putation pilot figure colored paint plastics epoxied onto wing Wheel pants add nice touch though nuisance grass runways early flights made wheel pants result being eager fly mow Super Poxy used finish pants Hying balance point control deflections shown plans 4-40 mild pussycat fly balance point moved half-inch rearward creased aileron rudder throwsthe 4-40 wild tiger can see model excellent aileron trainer Takeoffs simply matter using some right-rudder throttle ad vanced watching model take off itself landing just line up runway chop throttle Flying model four-cycle power new experince have constantly re mind ourselves though noise level low model full throttle outside loops sound like low throttle least beginning cant depend sound indicator model attitude engine seems run same speed whether nose model up down 11-SW Rev-Up prop seems perfect match model obvious reasons four-stroke engines extremely attractive flying Continued page 137 Left Theres plenty room ail largest radio equipment Foam wraps battery receiver hold snugly place Removable hatch behind engine provides access fuel tank Author prefers rubberband wing mounting rather nylon bolts model type Right Hayes engine mount provides floor beneath engine maximum rigidity some other mount used fill area scrap balsa Excellent ground handling provided wide-stance pre-bent Sig gear wheel pants Fiberglass Master very attractive though have some drawbacks flying runway tall grass 36 Model Aviation According article Chuck Furutani balsa dust just hangs just about newsletter Soaring Union Los everything wasnt prop either airborne Angeles editor Donna Gurski should inhaled also careful handle graphite fibers have changed procedure find OF Chuck writes wipe off dust tends bunch up pretty neatly can pick up bunches save use fillets bridging CyA glue gaps Conclusion Dont load air load storage bins Wipe off sanding dust' play OF breaking small pieces feeling surfaces rubbing etc Small fibers can imbedded skin Remem ber GF dangerous asbestos Wash hands examine carefully looking fine black slivers before go bathroom handle baby sand plane grind GF laminates must use good mask Cut size sharp scissors keeping track cut tings disposing immediately Chucks reference danger asbestos alleged carcinogen inhaled brings another newsletter article concerning lung irri tants Winding Stooge newsletter Nebraska Free Flighters editor Tom Winter reminds us balsa dust best thing breathe What buildup balsa dust sanding natural temp tation say phoo blow away Dont Wipe dust off Lungs dont like balsa dust Personally have history insomnia long history respiratory difficulties oldfashioned mines could test-canary recent restless night realized awake because breath labored asked myself no mildew around too early pollen Hmm last thing done before retiring carve balsa prop blown dust away Most blown believe previous safety column stated bodies function best breathe lungs air Whenever start filling workshop atmosphere particulates sanding spraying paint urge use mask Have safe month John Preston 12235 Tilden wood Dr Rockville MD 20852 4W4OIMathews Continued aae 36 field neighbors markedly-reduced fuel consumption ability turn large props equally attractive risk repeating ourselves 4-40 may look like trainer certainly posesses qualities will attract jaded pilots project has seemed touched some special magic inception comple tion delighted recommend something really ENJOY SWEITZER ENTERPRISES PO BOX 834 HILLSRORO 7123 503 640-5102 FINEST IN SCALE ilK PLANS 2 50 -60 ENG NED O W4GSP DH89A DRAGON jAPIDE PRICE 53950 PPO BOTH PLANS FEATURE COCKPIT & MARKING DETAIL FIDEROLASS COWLS CANOPYS AVAILABLE NOW COMPLETE WINO ShbOWN MATEBIAL LISr PRICE INCLODES MAILING TONE ADO 5400 FOB AIRMAIL FOREIGN OVENSEAS ORDENSADO $1800 g4 SCALE WInBs pa 90 1 20 ENGINE F8-L SUPER ALC0 PRICE $43ea p p December 1984 137
Edition: Model Aviation - 1984/12
Page Numbers: 30, 31, 32, 33, 34, 35, 36, 137
NO OCR TEXT NO OCR TEXT side stabilizer New bolts repaired stab repairs make As designed 4-40 sufficiently strong Construction Read text study plans until everything clear cut out kit parts trans ferring shapes drawings wood aid carbon paper holes should drilied parts shaped model very easy construct keep alignment Use good flat building surface follow sound princi pies craftsmanship assure good ffight performance wood sizes standard such found hobby shops Ute Ply also known poplar ply door skins Some large building supply stores sell it also Sig product available hobby shops landing gear wheel pants can ordered direct Sig Mfg Co replacement parts Sig kits Hayes AL-40 engine mount perfect fit 05 4OFS nsing Saito Enya four-stroke some other engine mount may needed prototypes constructed almost entirely thick cyanoacrylate CyA glue exception firewall wing joints 4-40 designed nsing MonoKote covering wings rigidity provides Fuselage Develop right side tracing over carbon paper onto Ute Ply Mark bulkhead other locations time Once cut out used pattern left side nose blocks h-in triangular stock wing saddle serve locators bulkheads should adhered sides thick CyA 5-mm epoxy making sure bulkheads fit well basic box can assembled over top view plans fuselage top surface flat drawing Make certain sides parallel right angles building board Slip bulkheads place align everything before flowing CyA glue joints Once section planked set tail post pulled together cross braces added Remove assembly work surface add turtledeckformers uwrnuuuE IuIW UW ram pruuumnlnasy plans now nusoveri OUTII9flTSOfl miana nas maaterea numberofasrob mmneuvera ranL 32 Model Aviation uuxieun-yar-oua nanay ukeulon 5flOWS OTT 4-40 WIth wagon background Scene old Port Lamed Kansas CKUCKWk AkCIarkA FUEUH FLUHT FINE THING FEW oYsTRiTIw4G-D0NTA64 UE6TN6SOMU800V IS CONTROLLING OFF AND iVE 6OTO I4EI.PYOU OT C DESThJE RI4ICT NOW TI4s S GiRLS AND ia CHiP FIND ONE PH SIZECAPER GOING ARE T14061AN5WIRI TOO-hN07NO51FIND OUT NOW i4u/u DOES GIRL OR 441 QUTS \4RKN6DOu5 pIALLy PEAL i061T6 ARE REAL U WLV SYHELPINI OLITW FORMEF - _ ~- NOT LIVE 5TANKS TO 4OLD MORE FUEL BOY &. AIRPLANI AL4U FOR THiS SIDETRACK f S. Rb IN WING BASE AILERON CRANKS 3/16 SHEET BALSA FIN AND RUDDER 3/16K V2I FIN MOUNTS 2 AWM cu io RUER V4 PLY3/4WHEELON I/16MW THRU 516 BRACKET S7I 2 I/B PLYVD BALSA CER OS FS4O 4 CYCLE EN6 ON HAYES AL4O MOUNT I/2SHEET NACELLE FLLERTO FIREWALL SiI 1/4 PLY FREWALL 1 I/2ThI-SrOcK 4-40 SCREWSIN 140 NUTS ON I/4PIY MOUNT vi 32 SHEET 3/16 BALSA WING SADDLE SIG SH 533 NTS w2 44WHEELS 014532 BOLTS THRJ SIG RP BA 249 KlALIER ME1L MOUNT 7 3/IX 3E SPPLJcE SFS TOPANOBOTIOM 3/32BALSA WEBS TIPS 3/8SQ BALSA LE 1/8 SbNOSE SIRINGERS IOPOILY I/B LITE PLY FUSELA3E SIDES 10 NOSE I/8SQ SPRUCE STRINGERS ON I/B FCRMERS 3/16X 1/2 SPREADERS TOP AND BOTTOM V16 SHEET TOPAND BOTTOM TE 1/4X 318 1 E SPAR I/4SHEETAiLERON lit BLOCKS BULT UP BALSA 1/B0IKM 3/32C- GRAIN RIBS Flying slow quiet late-arrivers tiying Tield nave heard wonder out loud can doing outsIde loops low throttle Depending upon control throw settings balance ships gentie enough beginner yet acrobatic forthe experienced stringers Note top spruce stringers inset balsa formers side units terminate against section 3/16-in scrap balsa sanded fair removable top hatch easily con structed tack-gluing block top cutting razor saw section Vs ply CyA-glued bottom rear stub drilled 4-40 blind nuts front ply stub CyA-glued remov able part slides under front attached section hold-down aluminum main gear unit supplied mounting holes pre-drilled use holes guide locate gear bottom mount gear could held #4 sheet metal screws 4-40 bolts blind nuts better wheels should mounted 5/32-in bolts nuts Use wheel collars posi tion clear pants Sig Fiberglass Master wheel pants held 4-40 bolts blind nuts set scrap ply epoxied inside pants steerable tail wheel screwed section inset tail wire tiller moved small strip tin bolted rudder prefer approach burying wire rudder since much less damage done twisted Complete fuselage contour-sand ing nose hatch Smooth everything 380-grit paper preparation cov ering painting dont cover fuselage until radio gear installed Tail surfaces Select firm light balsa stabilizer builds directly over plans other units cut sheet fin fits alignment slot stab prefer pinned type hinges free movement hinge slotting tool very useful After model covered painted control surfaces should hinged CyA-glue small segments tooth picks surfaces through hinges lock Wing ribs cut stacks using mas ter plywood patterns Carefully cut spar notches must reasonably tight fit spar thick CyA glue work properly wing panels mirror images another right wing panel can built back left wing drawing after first moistening area plan Wesson other cooking oil obtain degree transparency Construction bottom up Pin sheet trailing edge down flat position bottom spar use pre-cut shear webs position ribs CyA-glue joints Add top trailing edge sheet spars followed leading edge trailing edge Remove panel plans add center section sheeting Repeat opposite panel making sure center ribs have angled jig Block up tip 1Vs sand bevel panel flat board block up other full 3 epoxy center sections together wing being flat front bottom spar trailing edge greatly simplifies building jigging Cut well center section aileron servo line scrap balsa small section 3/16 -in basswood makes ideal screw retainer Wrap center section top bottom fiber glass cloth 5-min epoxy provides plenty strength needing ply dihedral braces Cut ailerons C-grain balsa sheet Trial-fit hinges horns remove horns fitted segments Sig Vs-in grooved landing gear blocks Use thick CyA adhere brass bearing slots sure clearance groove has 34 Model Aviation best RC Sailplane Old-Timer construction tech niques airframe isweli-stressed yet lightweight Lite Ply sides few bulkheads simple tail surfaces multi-spar wing turn otherwise plain-Jane box rather attractive model Use classic Goldberg Falcon wing airfoil models weight proved ideal match 40-sIze four-stroke engine 3/16 /2 BALSA STABILIZ R l-rnzzzXE RUDDER SLOT I_______ 3/16 BALSA1/16 MW SKEETJOINER 9/64 THROTTLE HSYESCABLE AL 401/B LITE9/64 THROTTLE MOUNTCABLE o0 1/4 FUEL LINE HOLES 1/4 PLY F-IF-2 TAPER PLY4-40 BOLTS B SIDESBLIND NUTS 3/B BALSA SHEET HAYES L MOTOR MOUNT_KIIIr1IjjirtJi 3/1655HARE BALSAII/BBALSA it SHEETTOP B SEE TEXT FOR AILERON DETAILS315 SR-54B STRIP AILERON1/4 BALSA SHEETDIHEDRAL 1-1/2 AT AILERONS3/B 1/4PINNED RINSESEACH WINB TIP CARVE SECTION OF SIG SR-6DD GROOVED BLOCK TO ONTOUR ON BOTTOM II/I6BALSAJJ _______ fiIi __INSET CENTER ___PLAN TOPVIEW SECTION _________________________________________________jI CLOT~ _________ LEFT PANEL~BALSAI TOPUE SPARS ~0 11iiiII ________Il __I —_II_____ _______________ ________ -h------V __TIFj ELEVATOR-7 TILT JIG LOCATION- WRAP CENTER RINSEWITH GLASG SIS MEDIUMLOCATIONAND EPOXY BORN I/B LITE PLY 11/64 FOR OUTER NYROD F-31/4 PLY LU MOUNT TOP DIHEDRAL JIG IIjp/BSISPRUCSPARS TOPAI"r J IF SO BALSA LEADING EDGE CARVE AFTER ASSEMBLY 771 TT17I-31s5 BALSA [LLILLII16 REQUIRED WEB PATTERN 1/5 BALSA BLOCKS WING TIP DETAIL POSITION RIBS WITH SHEER WEBS THEN ADD TOP SPAR 3/32 C-GRAIN BALSA1/16 BALSA CENTER3/32 C-GBAIN BALSA 6 REQUIREDSECTION SHEETING16 REGUIRED PLACE THROTTLE SERVO ON LEFTCENTER WING RIBSNOTEF WING PANELS BUILD _____________FLAT FROM BOTTOM SPAR TO TRAILING EDGE SHEET I/B L OFI&rFIFSPRUCE 1/4 PLY TAILWHEEL BOTTOM FILLER FUSELAGE VIEWS_______ 1/4 PLYWOOD______________ OSFS-40 FOURWILLIAMS BROSELEVATOR 3W B 3/B FRONT SECTION OF LANDING GEAR MOUNT S-US SPINNER9AREAIF/ S -IIGIG TAILWREEL BRACKET 3/4 TAILWHEEL 3/16 1/2 BALSAON 1/4 PLY INSET 1/2 BALSAI/B LITE PLYA LITE PLYCROSS BRACES FILLERIAROWOOD SERVO ODEL AVIATION 4-40 FOR 4 CYCLE 40 2-3/4 DIA WHEELS/I SPAN 5T 590 SO IN WEIGHT 64 OZ LOADING 16 OZJ 50 FT ON U-US BOLTS qpFFPANTS OR MAKE_____________________________________________ FROM FIBERGLASST-3T-4T-5T 6 DESIGNED & DRAWN BY DOC MATHEWS TRACING BY JOE DEMARCO Full-Size Plans Available. Page 180 Left Aileron installation cant get easier Right Uncomplicated decorations add much pleasing appearance model Pilot Williams Bros figure cut off neck Windscreen front section Sig canopy trimmed Stripe Rite tape tiller Use 5-mm epoxy hold block-horn unit trailing edge carve sand basswood match Carefully sand tip blocks shape sand entire wing preparation covering Radio installation 4-40s tend nose-heavy therefore found best mount flight battery behind #2 bulkhead scrap hard wood tween receiver servos best mounted three abreast watch out throttle servo OS 40 FS link engines left have shown holes nylon rods Bulkhead #3 rods criss-cross midway back fuselage order reduce angle cutout tail Anti-sway reinforcement rods should instal led about half-way back preference threaded rod screwed nylon inner section devises horn ends solder links servo ends Use whatever comfortable aileron hookup should use threaded rods solder links instances sure surfaces will move binds stiffness flight battery will give several additional flights per charge controls really free Finishing oovered open frame areas MonoKote including fuse lage turtledeck bottom fabrics would certainly work well fuselage likely easier finish MonoKote can successfully painted finger oils washed off thin ner before applying paint seal exposed wood two thin coats K&B Super Poxy clear sand ing smooth after second coat Two coats Super Poxy primer applied wood MonoKote again sanding after second coat Colored Super Poxy sprayed gives very attrac tive finish miaimum effort 4-40 just doesnt look right pilot canopy 2l-in Williams Bros unit must cut off neck look right epoxy scrap balsa am putation pilot figure colored paint plastics epoxied onto wing Wheel pants add nice touch though nuisance grass runways early flights made wheel pants result being eager fly mow Super Poxy used finish pants Hying balance point control deflections shown plans 4-40 mild pussycat fly balance point moved half-inch rearward creased aileron rudder throwsthe 4-40 wild tiger can see model excellent aileron trainer Takeoffs simply matter using some right-rudder throttle ad vanced watching model take off itself landing just line up runway chop throttle Flying model four-cycle power new experince have constantly re mind ourselves though noise level low model full throttle outside loops sound like low throttle least beginning cant depend sound indicator model attitude engine seems run same speed whether nose model up down 11-SW Rev-Up prop seems perfect match model obvious reasons four-stroke engines extremely attractive flying Continued page 137 Left Theres plenty room ail largest radio equipment Foam wraps battery receiver hold snugly place Removable hatch behind engine provides access fuel tank Author prefers rubberband wing mounting rather nylon bolts model type Right Hayes engine mount provides floor beneath engine maximum rigidity some other mount used fill area scrap balsa Excellent ground handling provided wide-stance pre-bent Sig gear wheel pants Fiberglass Master very attractive though have some drawbacks flying runway tall grass 36 Model Aviation According article Chuck Furutani balsa dust just hangs just about newsletter Soaring Union Los everything wasnt prop either airborne Angeles editor Donna Gurski should inhaled also careful handle graphite fibers have changed procedure find OF Chuck writes wipe off dust tends bunch up pretty neatly can pick up bunches save use fillets bridging CyA glue gaps Conclusion Dont load air load storage bins Wipe off sanding dust' play OF breaking small pieces feeling surfaces rubbing etc Small fibers can imbedded skin Remem ber GF dangerous asbestos Wash hands examine carefully looking fine black slivers before go bathroom handle baby sand plane grind GF laminates must use good mask Cut size sharp scissors keeping track cut tings disposing immediately Chucks reference danger asbestos alleged carcinogen inhaled brings another newsletter article concerning lung irri tants Winding Stooge newsletter Nebraska Free Flighters editor Tom Winter reminds us balsa dust best thing breathe What buildup balsa dust sanding natural temp tation say phoo blow away Dont Wipe dust off Lungs dont like balsa dust Personally have history insomnia long history respiratory difficulties oldfashioned mines could test-canary recent restless night realized awake because breath labored asked myself no mildew around too early pollen Hmm last thing done before retiring carve balsa prop blown dust away Most blown believe previous safety column stated bodies function best breathe lungs air Whenever start filling workshop atmosphere particulates sanding spraying paint urge use mask Have safe month John Preston 12235 Tilden wood Dr Rockville MD 20852 4W4OIMathews Continued aae 36 field neighbors markedly-reduced fuel consumption ability turn large props equally attractive risk repeating ourselves 4-40 may look like trainer certainly posesses qualities will attract jaded pilots project has seemed touched some special magic inception comple tion delighted recommend something really ENJOY SWEITZER ENTERPRISES PO BOX 834 HILLSRORO 7123 503 640-5102 FINEST IN SCALE ilK PLANS 2 50 -60 ENG NED O W4GSP DH89A DRAGON jAPIDE PRICE 53950 PPO BOTH PLANS FEATURE COCKPIT & MARKING DETAIL FIDEROLASS COWLS CANOPYS AVAILABLE NOW COMPLETE WINO ShbOWN MATEBIAL LISr PRICE INCLODES MAILING TONE ADO 5400 FOB AIRMAIL FOREIGN OVENSEAS ORDENSADO $1800 g4 SCALE WInBs pa 90 1 20 ENGINE F8-L SUPER ALC0 PRICE $43ea p p December 1984 137
Edition: Model Aviation - 1984/12
Page Numbers: 30, 31, 32, 33, 34, 35, 36, 137
NO OCR TEXT NO OCR TEXT side stabilizer New bolts repaired stab repairs make As designed 4-40 sufficiently strong Construction Read text study plans until everything clear cut out kit parts trans ferring shapes drawings wood aid carbon paper holes should drilied parts shaped model very easy construct keep alignment Use good flat building surface follow sound princi pies craftsmanship assure good ffight performance wood sizes standard such found hobby shops Ute Ply also known poplar ply door skins Some large building supply stores sell it also Sig product available hobby shops landing gear wheel pants can ordered direct Sig Mfg Co replacement parts Sig kits Hayes AL-40 engine mount perfect fit 05 4OFS nsing Saito Enya four-stroke some other engine mount may needed prototypes constructed almost entirely thick cyanoacrylate CyA glue exception firewall wing joints 4-40 designed nsing MonoKote covering wings rigidity provides Fuselage Develop right side tracing over carbon paper onto Ute Ply Mark bulkhead other locations time Once cut out used pattern left side nose blocks h-in triangular stock wing saddle serve locators bulkheads should adhered sides thick CyA 5-mm epoxy making sure bulkheads fit well basic box can assembled over top view plans fuselage top surface flat drawing Make certain sides parallel right angles building board Slip bulkheads place align everything before flowing CyA glue joints Once section planked set tail post pulled together cross braces added Remove assembly work surface add turtledeckformers uwrnuuuE IuIW UW ram pruuumnlnasy plans now nusoveri OUTII9flTSOfl miana nas maaterea numberofasrob mmneuvera ranL 32 Model Aviation uuxieun-yar-oua nanay ukeulon 5flOWS OTT 4-40 WIth wagon background Scene old Port Lamed Kansas CKUCKWk AkCIarkA FUEUH FLUHT FINE THING FEW oYsTRiTIw4G-D0NTA64 UE6TN6SOMU800V IS CONTROLLING OFF AND iVE 6OTO I4EI.PYOU OT C DESThJE RI4ICT NOW TI4s S GiRLS AND ia CHiP FIND ONE PH SIZECAPER GOING ARE T14061AN5WIRI TOO-hN07NO51FIND OUT NOW i4u/u DOES GIRL OR 441 QUTS \4RKN6DOu5 pIALLy PEAL i061T6 ARE REAL U WLV SYHELPINI OLITW FORMEF - _ ~- NOT LIVE 5TANKS TO 4OLD MORE FUEL BOY &. AIRPLANI AL4U FOR THiS SIDETRACK f S. Rb IN WING BASE AILERON CRANKS 3/16 SHEET BALSA FIN AND RUDDER 3/16K V2I FIN MOUNTS 2 AWM cu io RUER V4 PLY3/4WHEELON I/16MW THRU 516 BRACKET S7I 2 I/B PLYVD BALSA CER OS FS4O 4 CYCLE EN6 ON HAYES AL4O MOUNT I/2SHEET NACELLE FLLERTO FIREWALL SiI 1/4 PLY FREWALL 1 I/2ThI-SrOcK 4-40 SCREWSIN 140 NUTS ON I/4PIY MOUNT vi 32 SHEET 3/16 BALSA WING SADDLE SIG SH 533 NTS w2 44WHEELS 014532 BOLTS THRJ SIG RP BA 249 KlALIER ME1L MOUNT 7 3/IX 3E SPPLJcE SFS TOPANOBOTIOM 3/32BALSA WEBS TIPS 3/8SQ BALSA LE 1/8 SbNOSE SIRINGERS IOPOILY I/B LITE PLY FUSELA3E SIDES 10 NOSE I/8SQ SPRUCE STRINGERS ON I/B FCRMERS 3/16X 1/2 SPREADERS TOP AND BOTTOM V16 SHEET TOPAND BOTTOM TE 1/4X 318 1 E SPAR I/4SHEETAiLERON lit BLOCKS BULT UP BALSA 1/B0IKM 3/32C- GRAIN RIBS Flying slow quiet late-arrivers tiying Tield nave heard wonder out loud can doing outsIde loops low throttle Depending upon control throw settings balance ships gentie enough beginner yet acrobatic forthe experienced stringers Note top spruce stringers inset balsa formers side units terminate against section 3/16-in scrap balsa sanded fair removable top hatch easily con structed tack-gluing block top cutting razor saw section Vs ply CyA-glued bottom rear stub drilled 4-40 blind nuts front ply stub CyA-glued remov able part slides under front attached section hold-down aluminum main gear unit supplied mounting holes pre-drilled use holes guide locate gear bottom mount gear could held #4 sheet metal screws 4-40 bolts blind nuts better wheels should mounted 5/32-in bolts nuts Use wheel collars posi tion clear pants Sig Fiberglass Master wheel pants held 4-40 bolts blind nuts set scrap ply epoxied inside pants steerable tail wheel screwed section inset tail wire tiller moved small strip tin bolted rudder prefer approach burying wire rudder since much less damage done twisted Complete fuselage contour-sand ing nose hatch Smooth everything 380-grit paper preparation cov ering painting dont cover fuselage until radio gear installed Tail surfaces Select firm light balsa stabilizer builds directly over plans other units cut sheet fin fits alignment slot stab prefer pinned type hinges free movement hinge slotting tool very useful After model covered painted control surfaces should hinged CyA-glue small segments tooth picks surfaces through hinges lock Wing ribs cut stacks using mas ter plywood patterns Carefully cut spar notches must reasonably tight fit spar thick CyA glue work properly wing panels mirror images another right wing panel can built back left wing drawing after first moistening area plan Wesson other cooking oil obtain degree transparency Construction bottom up Pin sheet trailing edge down flat position bottom spar use pre-cut shear webs position ribs CyA-glue joints Add top trailing edge sheet spars followed leading edge trailing edge Remove panel plans add center section sheeting Repeat opposite panel making sure center ribs have angled jig Block up tip 1Vs sand bevel panel flat board block up other full 3 epoxy center sections together wing being flat front bottom spar trailing edge greatly simplifies building jigging Cut well center section aileron servo line scrap balsa small section 3/16 -in basswood makes ideal screw retainer Wrap center section top bottom fiber glass cloth 5-min epoxy provides plenty strength needing ply dihedral braces Cut ailerons C-grain balsa sheet Trial-fit hinges horns remove horns fitted segments Sig Vs-in grooved landing gear blocks Use thick CyA adhere brass bearing slots sure clearance groove has 34 Model Aviation best RC Sailplane Old-Timer construction tech niques airframe isweli-stressed yet lightweight Lite Ply sides few bulkheads simple tail surfaces multi-spar wing turn otherwise plain-Jane box rather attractive model Use classic Goldberg Falcon wing airfoil models weight proved ideal match 40-sIze four-stroke engine 3/16 /2 BALSA STABILIZ R l-rnzzzXE RUDDER SLOT I_______ 3/16 BALSA1/16 MW SKEETJOINER 9/64 THROTTLE HSYESCABLE AL 401/B LITE9/64 THROTTLE MOUNTCABLE o0 1/4 FUEL LINE HOLES 1/4 PLY F-IF-2 TAPER PLY4-40 BOLTS B SIDESBLIND NUTS 3/B BALSA SHEET HAYES L MOTOR MOUNT_KIIIr1IjjirtJi 3/1655HARE BALSAII/BBALSA it SHEETTOP B SEE TEXT FOR AILERON DETAILS315 SR-54B STRIP AILERON1/4 BALSA SHEETDIHEDRAL 1-1/2 AT AILERONS3/B 1/4PINNED RINSESEACH WINB TIP CARVE SECTION OF SIG SR-6DD GROOVED BLOCK TO ONTOUR ON BOTTOM II/I6BALSAJJ _______ fiIi __INSET CENTER ___PLAN TOPVIEW SECTION _________________________________________________jI CLOT~ _________ LEFT PANEL~BALSAI TOPUE SPARS ~0 11iiiII ________Il __I —_II_____ _______________ ________ -h------V __TIFj ELEVATOR-7 TILT JIG LOCATION- WRAP CENTER RINSEWITH GLASG SIS MEDIUMLOCATIONAND EPOXY BORN I/B LITE PLY 11/64 FOR OUTER NYROD F-31/4 PLY LU MOUNT TOP DIHEDRAL JIG IIjp/BSISPRUCSPARS TOPAI"r J IF SO BALSA LEADING EDGE CARVE AFTER ASSEMBLY 771 TT17I-31s5 BALSA [LLILLII16 REQUIRED WEB PATTERN 1/5 BALSA BLOCKS WING TIP DETAIL POSITION RIBS WITH SHEER WEBS THEN ADD TOP SPAR 3/32 C-GRAIN BALSA1/16 BALSA CENTER3/32 C-GBAIN BALSA 6 REQUIREDSECTION SHEETING16 REGUIRED PLACE THROTTLE SERVO ON LEFTCENTER WING RIBSNOTEF WING PANELS BUILD _____________FLAT FROM BOTTOM SPAR TO TRAILING EDGE SHEET I/B L OFI&rFIFSPRUCE 1/4 PLY TAILWHEEL BOTTOM FILLER FUSELAGE VIEWS_______ 1/4 PLYWOOD______________ OSFS-40 FOURWILLIAMS BROSELEVATOR 3W B 3/B FRONT SECTION OF LANDING GEAR MOUNT S-US SPINNER9AREAIF/ S -IIGIG TAILWREEL BRACKET 3/4 TAILWHEEL 3/16 1/2 BALSAON 1/4 PLY INSET 1/2 BALSAI/B LITE PLYA LITE PLYCROSS BRACES FILLERIAROWOOD SERVO ODEL AVIATION 4-40 FOR 4 CYCLE 40 2-3/4 DIA WHEELS/I SPAN 5T 590 SO IN WEIGHT 64 OZ LOADING 16 OZJ 50 FT ON U-US BOLTS qpFFPANTS OR MAKE_____________________________________________ FROM FIBERGLASST-3T-4T-5T 6 DESIGNED & DRAWN BY DOC MATHEWS TRACING BY JOE DEMARCO Full-Size Plans Available. Page 180 Left Aileron installation cant get easier Right Uncomplicated decorations add much pleasing appearance model Pilot Williams Bros figure cut off neck Windscreen front section Sig canopy trimmed Stripe Rite tape tiller Use 5-mm epoxy hold block-horn unit trailing edge carve sand basswood match Carefully sand tip blocks shape sand entire wing preparation covering Radio installation 4-40s tend nose-heavy therefore found best mount flight battery behind #2 bulkhead scrap hard wood tween receiver servos best mounted three abreast watch out throttle servo OS 40 FS link engines left have shown holes nylon rods Bulkhead #3 rods criss-cross midway back fuselage order reduce angle cutout tail Anti-sway reinforcement rods should instal led about half-way back preference threaded rod screwed nylon inner section devises horn ends solder links servo ends Use whatever comfortable aileron hookup should use threaded rods solder links instances sure surfaces will move binds stiffness flight battery will give several additional flights per charge controls really free Finishing oovered open frame areas MonoKote including fuse lage turtledeck bottom fabrics would certainly work well fuselage likely easier finish MonoKote can successfully painted finger oils washed off thin ner before applying paint seal exposed wood two thin coats K&B Super Poxy clear sand ing smooth after second coat Two coats Super Poxy primer applied wood MonoKote again sanding after second coat Colored Super Poxy sprayed gives very attrac tive finish miaimum effort 4-40 just doesnt look right pilot canopy 2l-in Williams Bros unit must cut off neck look right epoxy scrap balsa am putation pilot figure colored paint plastics epoxied onto wing Wheel pants add nice touch though nuisance grass runways early flights made wheel pants result being eager fly mow Super Poxy used finish pants Hying balance point control deflections shown plans 4-40 mild pussycat fly balance point moved half-inch rearward creased aileron rudder throwsthe 4-40 wild tiger can see model excellent aileron trainer Takeoffs simply matter using some right-rudder throttle ad vanced watching model take off itself landing just line up runway chop throttle Flying model four-cycle power new experince have constantly re mind ourselves though noise level low model full throttle outside loops sound like low throttle least beginning cant depend sound indicator model attitude engine seems run same speed whether nose model up down 11-SW Rev-Up prop seems perfect match model obvious reasons four-stroke engines extremely attractive flying Continued page 137 Left Theres plenty room ail largest radio equipment Foam wraps battery receiver hold snugly place Removable hatch behind engine provides access fuel tank Author prefers rubberband wing mounting rather nylon bolts model type Right Hayes engine mount provides floor beneath engine maximum rigidity some other mount used fill area scrap balsa Excellent ground handling provided wide-stance pre-bent Sig gear wheel pants Fiberglass Master very attractive though have some drawbacks flying runway tall grass 36 Model Aviation According article Chuck Furutani balsa dust just hangs just about newsletter Soaring Union Los everything wasnt prop either airborne Angeles editor Donna Gurski should inhaled also careful handle graphite fibers have changed procedure find OF Chuck writes wipe off dust tends bunch up pretty neatly can pick up bunches save use fillets bridging CyA glue gaps Conclusion Dont load air load storage bins Wipe off sanding dust' play OF breaking small pieces feeling surfaces rubbing etc Small fibers can imbedded skin Remem ber GF dangerous asbestos Wash hands examine carefully looking fine black slivers before go bathroom handle baby sand plane grind GF laminates must use good mask Cut size sharp scissors keeping track cut tings disposing immediately Chucks reference danger asbestos alleged carcinogen inhaled brings another newsletter article concerning lung irri tants Winding Stooge newsletter Nebraska Free Flighters editor Tom Winter reminds us balsa dust best thing breathe What buildup balsa dust sanding natural temp tation say phoo blow away Dont Wipe dust off Lungs dont like balsa dust Personally have history insomnia long history respiratory difficulties oldfashioned mines could test-canary recent restless night realized awake because breath labored asked myself no mildew around too early pollen Hmm last thing done before retiring carve balsa prop blown dust away Most blown believe previous safety column stated bodies function best breathe lungs air Whenever start filling workshop atmosphere particulates sanding spraying paint urge use mask Have safe month John Preston 12235 Tilden wood Dr Rockville MD 20852 4W4OIMathews Continued aae 36 field neighbors markedly-reduced fuel consumption ability turn large props equally attractive risk repeating ourselves 4-40 may look like trainer certainly posesses qualities will attract jaded pilots project has seemed touched some special magic inception comple tion delighted recommend something really ENJOY SWEITZER ENTERPRISES PO BOX 834 HILLSRORO 7123 503 640-5102 FINEST IN SCALE ilK PLANS 2 50 -60 ENG NED O W4GSP DH89A DRAGON jAPIDE PRICE 53950 PPO BOTH PLANS FEATURE COCKPIT & MARKING DETAIL FIDEROLASS COWLS CANOPYS AVAILABLE NOW COMPLETE WINO ShbOWN MATEBIAL LISr PRICE INCLODES MAILING TONE ADO 5400 FOB AIRMAIL FOREIGN OVENSEAS ORDENSADO $1800 g4 SCALE WInBs pa 90 1 20 ENGINE F8-L SUPER ALC0 PRICE $43ea p p December 1984 137
Edition: Model Aviation - 1984/12
Page Numbers: 30, 31, 32, 33, 34, 35, 36, 137
NO OCR TEXT NO OCR TEXT side stabilizer New bolts repaired stab repairs make As designed 4-40 sufficiently strong Construction Read text study plans until everything clear cut out kit parts trans ferring shapes drawings wood aid carbon paper holes should drilied parts shaped model very easy construct keep alignment Use good flat building surface follow sound princi pies craftsmanship assure good ffight performance wood sizes standard such found hobby shops Ute Ply also known poplar ply door skins Some large building supply stores sell it also Sig product available hobby shops landing gear wheel pants can ordered direct Sig Mfg Co replacement parts Sig kits Hayes AL-40 engine mount perfect fit 05 4OFS nsing Saito Enya four-stroke some other engine mount may needed prototypes constructed almost entirely thick cyanoacrylate CyA glue exception firewall wing joints 4-40 designed nsing MonoKote covering wings rigidity provides Fuselage Develop right side tracing over carbon paper onto Ute Ply Mark bulkhead other locations time Once cut out used pattern left side nose blocks h-in triangular stock wing saddle serve locators bulkheads should adhered sides thick CyA 5-mm epoxy making sure bulkheads fit well basic box can assembled over top view plans fuselage top surface flat drawing Make certain sides parallel right angles building board Slip bulkheads place align everything before flowing CyA glue joints Once section planked set tail post pulled together cross braces added Remove assembly work surface add turtledeckformers uwrnuuuE IuIW UW ram pruuumnlnasy plans now nusoveri OUTII9flTSOfl miana nas maaterea numberofasrob mmneuvera ranL 32 Model Aviation uuxieun-yar-oua nanay ukeulon 5flOWS OTT 4-40 WIth wagon background Scene old Port Lamed Kansas CKUCKWk AkCIarkA FUEUH FLUHT FINE THING FEW oYsTRiTIw4G-D0NTA64 UE6TN6SOMU800V IS CONTROLLING OFF AND iVE 6OTO I4EI.PYOU OT C DESThJE RI4ICT NOW TI4s S GiRLS AND ia CHiP FIND ONE PH SIZECAPER GOING ARE T14061AN5WIRI TOO-hN07NO51FIND OUT NOW i4u/u DOES GIRL OR 441 QUTS \4RKN6DOu5 pIALLy PEAL i061T6 ARE REAL U WLV SYHELPINI OLITW FORMEF - _ ~- NOT LIVE 5TANKS TO 4OLD MORE FUEL BOY &. AIRPLANI AL4U FOR THiS SIDETRACK f S. Rb IN WING BASE AILERON CRANKS 3/16 SHEET BALSA FIN AND RUDDER 3/16K V2I FIN MOUNTS 2 AWM cu io RUER V4 PLY3/4WHEELON I/16MW THRU 516 BRACKET S7I 2 I/B PLYVD BALSA CER OS FS4O 4 CYCLE EN6 ON HAYES AL4O MOUNT I/2SHEET NACELLE FLLERTO FIREWALL SiI 1/4 PLY FREWALL 1 I/2ThI-SrOcK 4-40 SCREWSIN 140 NUTS ON I/4PIY MOUNT vi 32 SHEET 3/16 BALSA WING SADDLE SIG SH 533 NTS w2 44WHEELS 014532 BOLTS THRJ SIG RP BA 249 KlALIER ME1L MOUNT 7 3/IX 3E SPPLJcE SFS TOPANOBOTIOM 3/32BALSA WEBS TIPS 3/8SQ BALSA LE 1/8 SbNOSE SIRINGERS IOPOILY I/B LITE PLY FUSELA3E SIDES 10 NOSE I/8SQ SPRUCE STRINGERS ON I/B FCRMERS 3/16X 1/2 SPREADERS TOP AND BOTTOM V16 SHEET TOPAND BOTTOM TE 1/4X 318 1 E SPAR I/4SHEETAiLERON lit BLOCKS BULT UP BALSA 1/B0IKM 3/32C- GRAIN RIBS Flying slow quiet late-arrivers tiying Tield nave heard wonder out loud can doing outsIde loops low throttle Depending upon control throw settings balance ships gentie enough beginner yet acrobatic forthe experienced stringers Note top spruce stringers inset balsa formers side units terminate against section 3/16-in scrap balsa sanded fair removable top hatch easily con structed tack-gluing block top cutting razor saw section Vs ply CyA-glued bottom rear stub drilled 4-40 blind nuts front ply stub CyA-glued remov able part slides under front attached section hold-down aluminum main gear unit supplied mounting holes pre-drilled use holes guide locate gear bottom mount gear could held #4 sheet metal screws 4-40 bolts blind nuts better wheels should mounted 5/32-in bolts nuts Use wheel collars posi tion clear pants Sig Fiberglass Master wheel pants held 4-40 bolts blind nuts set scrap ply epoxied inside pants steerable tail wheel screwed section inset tail wire tiller moved small strip tin bolted rudder prefer approach burying wire rudder since much less damage done twisted Complete fuselage contour-sand ing nose hatch Smooth everything 380-grit paper preparation cov ering painting dont cover fuselage until radio gear installed Tail surfaces Select firm light balsa stabilizer builds directly over plans other units cut sheet fin fits alignment slot stab prefer pinned type hinges free movement hinge slotting tool very useful After model covered painted control surfaces should hinged CyA-glue small segments tooth picks surfaces through hinges lock Wing ribs cut stacks using mas ter plywood patterns Carefully cut spar notches must reasonably tight fit spar thick CyA glue work properly wing panels mirror images another right wing panel can built back left wing drawing after first moistening area plan Wesson other cooking oil obtain degree transparency Construction bottom up Pin sheet trailing edge down flat position bottom spar use pre-cut shear webs position ribs CyA-glue joints Add top trailing edge sheet spars followed leading edge trailing edge Remove panel plans add center section sheeting Repeat opposite panel making sure center ribs have angled jig Block up tip 1Vs sand bevel panel flat board block up other full 3 epoxy center sections together wing being flat front bottom spar trailing edge greatly simplifies building jigging Cut well center section aileron servo line scrap balsa small section 3/16 -in basswood makes ideal screw retainer Wrap center section top bottom fiber glass cloth 5-min epoxy provides plenty strength needing ply dihedral braces Cut ailerons C-grain balsa sheet Trial-fit hinges horns remove horns fitted segments Sig Vs-in grooved landing gear blocks Use thick CyA adhere brass bearing slots sure clearance groove has 34 Model Aviation best RC Sailplane Old-Timer construction tech niques airframe isweli-stressed yet lightweight Lite Ply sides few bulkheads simple tail surfaces multi-spar wing turn otherwise plain-Jane box rather attractive model Use classic Goldberg Falcon wing airfoil models weight proved ideal match 40-sIze four-stroke engine 3/16 /2 BALSA STABILIZ R l-rnzzzXE RUDDER SLOT I_______ 3/16 BALSA1/16 MW SKEETJOINER 9/64 THROTTLE HSYESCABLE AL 401/B LITE9/64 THROTTLE MOUNTCABLE o0 1/4 FUEL LINE HOLES 1/4 PLY F-IF-2 TAPER PLY4-40 BOLTS B SIDESBLIND NUTS 3/B BALSA SHEET HAYES L MOTOR MOUNT_KIIIr1IjjirtJi 3/1655HARE BALSAII/BBALSA it SHEETTOP B SEE TEXT FOR AILERON DETAILS315 SR-54B STRIP AILERON1/4 BALSA SHEETDIHEDRAL 1-1/2 AT AILERONS3/B 1/4PINNED RINSESEACH WINB TIP CARVE SECTION OF SIG SR-6DD GROOVED BLOCK TO ONTOUR ON BOTTOM II/I6BALSAJJ _______ fiIi __INSET CENTER ___PLAN TOPVIEW SECTION _________________________________________________jI CLOT~ _________ LEFT PANEL~BALSAI TOPUE SPARS ~0 11iiiII ________Il __I —_II_____ _______________ ________ -h------V __TIFj ELEVATOR-7 TILT JIG LOCATION- WRAP CENTER RINSEWITH GLASG SIS MEDIUMLOCATIONAND EPOXY BORN I/B LITE PLY 11/64 FOR OUTER NYROD F-31/4 PLY LU MOUNT TOP DIHEDRAL JIG IIjp/BSISPRUCSPARS TOPAI"r J IF SO BALSA LEADING EDGE CARVE AFTER ASSEMBLY 771 TT17I-31s5 BALSA [LLILLII16 REQUIRED WEB PATTERN 1/5 BALSA BLOCKS WING TIP DETAIL POSITION RIBS WITH SHEER WEBS THEN ADD TOP SPAR 3/32 C-GRAIN BALSA1/16 BALSA CENTER3/32 C-GBAIN BALSA 6 REQUIREDSECTION SHEETING16 REGUIRED PLACE THROTTLE SERVO ON LEFTCENTER WING RIBSNOTEF WING PANELS BUILD _____________FLAT FROM BOTTOM SPAR TO TRAILING EDGE SHEET I/B L OFI&rFIFSPRUCE 1/4 PLY TAILWHEEL BOTTOM FILLER FUSELAGE VIEWS_______ 1/4 PLYWOOD______________ OSFS-40 FOURWILLIAMS BROSELEVATOR 3W B 3/B FRONT SECTION OF LANDING GEAR MOUNT S-US SPINNER9AREAIF/ S -IIGIG TAILWREEL BRACKET 3/4 TAILWHEEL 3/16 1/2 BALSAON 1/4 PLY INSET 1/2 BALSAI/B LITE PLYA LITE PLYCROSS BRACES FILLERIAROWOOD SERVO ODEL AVIATION 4-40 FOR 4 CYCLE 40 2-3/4 DIA WHEELS/I SPAN 5T 590 SO IN WEIGHT 64 OZ LOADING 16 OZJ 50 FT ON U-US BOLTS qpFFPANTS OR MAKE_____________________________________________ FROM FIBERGLASST-3T-4T-5T 6 DESIGNED & DRAWN BY DOC MATHEWS TRACING BY JOE DEMARCO Full-Size Plans Available. Page 180 Left Aileron installation cant get easier Right Uncomplicated decorations add much pleasing appearance model Pilot Williams Bros figure cut off neck Windscreen front section Sig canopy trimmed Stripe Rite tape tiller Use 5-mm epoxy hold block-horn unit trailing edge carve sand basswood match Carefully sand tip blocks shape sand entire wing preparation covering Radio installation 4-40s tend nose-heavy therefore found best mount flight battery behind #2 bulkhead scrap hard wood tween receiver servos best mounted three abreast watch out throttle servo OS 40 FS link engines left have shown holes nylon rods Bulkhead #3 rods criss-cross midway back fuselage order reduce angle cutout tail Anti-sway reinforcement rods should instal led about half-way back preference threaded rod screwed nylon inner section devises horn ends solder links servo ends Use whatever comfortable aileron hookup should use threaded rods solder links instances sure surfaces will move binds stiffness flight battery will give several additional flights per charge controls really free Finishing oovered open frame areas MonoKote including fuse lage turtledeck bottom fabrics would certainly work well fuselage likely easier finish MonoKote can successfully painted finger oils washed off thin ner before applying paint seal exposed wood two thin coats K&B Super Poxy clear sand ing smooth after second coat Two coats Super Poxy primer applied wood MonoKote again sanding after second coat Colored Super Poxy sprayed gives very attrac tive finish miaimum effort 4-40 just doesnt look right pilot canopy 2l-in Williams Bros unit must cut off neck look right epoxy scrap balsa am putation pilot figure colored paint plastics epoxied onto wing Wheel pants add nice touch though nuisance grass runways early flights made wheel pants result being eager fly mow Super Poxy used finish pants Hying balance point control deflections shown plans 4-40 mild pussycat fly balance point moved half-inch rearward creased aileron rudder throwsthe 4-40 wild tiger can see model excellent aileron trainer Takeoffs simply matter using some right-rudder throttle ad vanced watching model take off itself landing just line up runway chop throttle Flying model four-cycle power new experince have constantly re mind ourselves though noise level low model full throttle outside loops sound like low throttle least beginning cant depend sound indicator model attitude engine seems run same speed whether nose model up down 11-SW Rev-Up prop seems perfect match model obvious reasons four-stroke engines extremely attractive flying Continued page 137 Left Theres plenty room ail largest radio equipment Foam wraps battery receiver hold snugly place Removable hatch behind engine provides access fuel tank Author prefers rubberband wing mounting rather nylon bolts model type Right Hayes engine mount provides floor beneath engine maximum rigidity some other mount used fill area scrap balsa Excellent ground handling provided wide-stance pre-bent Sig gear wheel pants Fiberglass Master very attractive though have some drawbacks flying runway tall grass 36 Model Aviation According article Chuck Furutani balsa dust just hangs just about newsletter Soaring Union Los everything wasnt prop either airborne Angeles editor Donna Gurski should inhaled also careful handle graphite fibers have changed procedure find OF Chuck writes wipe off dust tends bunch up pretty neatly can pick up bunches save use fillets bridging CyA glue gaps Conclusion Dont load air load storage bins Wipe off sanding dust' play OF breaking small pieces feeling surfaces rubbing etc Small fibers can imbedded skin Remem ber GF dangerous asbestos Wash hands examine carefully looking fine black slivers before go bathroom handle baby sand plane grind GF laminates must use good mask Cut size sharp scissors keeping track cut tings disposing immediately Chucks reference danger asbestos alleged carcinogen inhaled brings another newsletter article concerning lung irri tants Winding Stooge newsletter Nebraska Free Flighters editor Tom Winter reminds us balsa dust best thing breathe What buildup balsa dust sanding natural temp tation say phoo blow away Dont Wipe dust off Lungs dont like balsa dust Personally have history insomnia long history respiratory difficulties oldfashioned mines could test-canary recent restless night realized awake because breath labored asked myself no mildew around too early pollen Hmm last thing done before retiring carve balsa prop blown dust away Most blown believe previous safety column stated bodies function best breathe lungs air Whenever start filling workshop atmosphere particulates sanding spraying paint urge use mask Have safe month John Preston 12235 Tilden wood Dr Rockville MD 20852 4W4OIMathews Continued aae 36 field neighbors markedly-reduced fuel consumption ability turn large props equally attractive risk repeating ourselves 4-40 may look like trainer certainly posesses qualities will attract jaded pilots project has seemed touched some special magic inception comple tion delighted recommend something really ENJOY SWEITZER ENTERPRISES PO BOX 834 HILLSRORO 7123 503 640-5102 FINEST IN SCALE ilK PLANS 2 50 -60 ENG NED O W4GSP DH89A DRAGON jAPIDE PRICE 53950 PPO BOTH PLANS FEATURE COCKPIT & MARKING DETAIL FIDEROLASS COWLS CANOPYS AVAILABLE NOW COMPLETE WINO ShbOWN MATEBIAL LISr PRICE INCLODES MAILING TONE ADO 5400 FOB AIRMAIL FOREIGN OVENSEAS ORDENSADO $1800 g4 SCALE WInBs pa 90 1 20 ENGINE F8-L SUPER ALC0 PRICE $43ea p p December 1984 137
Edition: Model Aviation - 1984/12
Page Numbers: 30, 31, 32, 33, 34, 35, 36, 137
NO OCR TEXT NO OCR TEXT side stabilizer New bolts repaired stab repairs make As designed 4-40 sufficiently strong Construction Read text study plans until everything clear cut out kit parts trans ferring shapes drawings wood aid carbon paper holes should drilied parts shaped model very easy construct keep alignment Use good flat building surface follow sound princi pies craftsmanship assure good ffight performance wood sizes standard such found hobby shops Ute Ply also known poplar ply door skins Some large building supply stores sell it also Sig product available hobby shops landing gear wheel pants can ordered direct Sig Mfg Co replacement parts Sig kits Hayes AL-40 engine mount perfect fit 05 4OFS nsing Saito Enya four-stroke some other engine mount may needed prototypes constructed almost entirely thick cyanoacrylate CyA glue exception firewall wing joints 4-40 designed nsing MonoKote covering wings rigidity provides Fuselage Develop right side tracing over carbon paper onto Ute Ply Mark bulkhead other locations time Once cut out used pattern left side nose blocks h-in triangular stock wing saddle serve locators bulkheads should adhered sides thick CyA 5-mm epoxy making sure bulkheads fit well basic box can assembled over top view plans fuselage top surface flat drawing Make certain sides parallel right angles building board Slip bulkheads place align everything before flowing CyA glue joints Once section planked set tail post pulled together cross braces added Remove assembly work surface add turtledeckformers uwrnuuuE IuIW UW ram pruuumnlnasy plans now nusoveri OUTII9flTSOfl miana nas maaterea numberofasrob mmneuvera ranL 32 Model Aviation uuxieun-yar-oua nanay ukeulon 5flOWS OTT 4-40 WIth wagon background Scene old Port Lamed Kansas CKUCKWk AkCIarkA FUEUH FLUHT FINE THING FEW oYsTRiTIw4G-D0NTA64 UE6TN6SOMU800V IS CONTROLLING OFF AND iVE 6OTO I4EI.PYOU OT C DESThJE RI4ICT NOW TI4s S GiRLS AND ia CHiP FIND ONE PH SIZECAPER GOING ARE T14061AN5WIRI TOO-hN07NO51FIND OUT NOW i4u/u DOES GIRL OR 441 QUTS \4RKN6DOu5 pIALLy PEAL i061T6 ARE REAL U WLV SYHELPINI OLITW FORMEF - _ ~- NOT LIVE 5TANKS TO 4OLD MORE FUEL BOY &. AIRPLANI AL4U FOR THiS SIDETRACK f S. Rb IN WING BASE AILERON CRANKS 3/16 SHEET BALSA FIN AND RUDDER 3/16K V2I FIN MOUNTS 2 AWM cu io RUER V4 PLY3/4WHEELON I/16MW THRU 516 BRACKET S7I 2 I/B PLYVD BALSA CER OS FS4O 4 CYCLE EN6 ON HAYES AL4O MOUNT I/2SHEET NACELLE FLLERTO FIREWALL SiI 1/4 PLY FREWALL 1 I/2ThI-SrOcK 4-40 SCREWSIN 140 NUTS ON I/4PIY MOUNT vi 32 SHEET 3/16 BALSA WING SADDLE SIG SH 533 NTS w2 44WHEELS 014532 BOLTS THRJ SIG RP BA 249 KlALIER ME1L MOUNT 7 3/IX 3E SPPLJcE SFS TOPANOBOTIOM 3/32BALSA WEBS TIPS 3/8SQ BALSA LE 1/8 SbNOSE SIRINGERS IOPOILY I/B LITE PLY FUSELA3E SIDES 10 NOSE I/8SQ SPRUCE STRINGERS ON I/B FCRMERS 3/16X 1/2 SPREADERS TOP AND BOTTOM V16 SHEET TOPAND BOTTOM TE 1/4X 318 1 E SPAR I/4SHEETAiLERON lit BLOCKS BULT UP BALSA 1/B0IKM 3/32C- GRAIN RIBS Flying slow quiet late-arrivers tiying Tield nave heard wonder out loud can doing outsIde loops low throttle Depending upon control throw settings balance ships gentie enough beginner yet acrobatic forthe experienced stringers Note top spruce stringers inset balsa formers side units terminate against section 3/16-in scrap balsa sanded fair removable top hatch easily con structed tack-gluing block top cutting razor saw section Vs ply CyA-glued bottom rear stub drilled 4-40 blind nuts front ply stub CyA-glued remov able part slides under front attached section hold-down aluminum main gear unit supplied mounting holes pre-drilled use holes guide locate gear bottom mount gear could held #4 sheet metal screws 4-40 bolts blind nuts better wheels should mounted 5/32-in bolts nuts Use wheel collars posi tion clear pants Sig Fiberglass Master wheel pants held 4-40 bolts blind nuts set scrap ply epoxied inside pants steerable tail wheel screwed section inset tail wire tiller moved small strip tin bolted rudder prefer approach burying wire rudder since much less damage done twisted Complete fuselage contour-sand ing nose hatch Smooth everything 380-grit paper preparation cov ering painting dont cover fuselage until radio gear installed Tail surfaces Select firm light balsa stabilizer builds directly over plans other units cut sheet fin fits alignment slot stab prefer pinned type hinges free movement hinge slotting tool very useful After model covered painted control surfaces should hinged CyA-glue small segments tooth picks surfaces through hinges lock Wing ribs cut stacks using mas ter plywood patterns Carefully cut spar notches must reasonably tight fit spar thick CyA glue work properly wing panels mirror images another right wing panel can built back left wing drawing after first moistening area plan Wesson other cooking oil obtain degree transparency Construction bottom up Pin sheet trailing edge down flat position bottom spar use pre-cut shear webs position ribs CyA-glue joints Add top trailing edge sheet spars followed leading edge trailing edge Remove panel plans add center section sheeting Repeat opposite panel making sure center ribs have angled jig Block up tip 1Vs sand bevel panel flat board block up other full 3 epoxy center sections together wing being flat front bottom spar trailing edge greatly simplifies building jigging Cut well center section aileron servo line scrap balsa small section 3/16 -in basswood makes ideal screw retainer Wrap center section top bottom fiber glass cloth 5-min epoxy provides plenty strength needing ply dihedral braces Cut ailerons C-grain balsa sheet Trial-fit hinges horns remove horns fitted segments Sig Vs-in grooved landing gear blocks Use thick CyA adhere brass bearing slots sure clearance groove has 34 Model Aviation best RC Sailplane Old-Timer construction tech niques airframe isweli-stressed yet lightweight Lite Ply sides few bulkheads simple tail surfaces multi-spar wing turn otherwise plain-Jane box rather attractive model Use classic Goldberg Falcon wing airfoil models weight proved ideal match 40-sIze four-stroke engine 3/16 /2 BALSA STABILIZ R l-rnzzzXE RUDDER SLOT I_______ 3/16 BALSA1/16 MW SKEETJOINER 9/64 THROTTLE HSYESCABLE AL 401/B LITE9/64 THROTTLE MOUNTCABLE o0 1/4 FUEL LINE HOLES 1/4 PLY F-IF-2 TAPER PLY4-40 BOLTS B SIDESBLIND NUTS 3/B BALSA SHEET HAYES L MOTOR MOUNT_KIIIr1IjjirtJi 3/1655HARE BALSAII/BBALSA it SHEETTOP B SEE TEXT FOR AILERON DETAILS315 SR-54B STRIP AILERON1/4 BALSA SHEETDIHEDRAL 1-1/2 AT AILERONS3/B 1/4PINNED RINSESEACH WINB TIP CARVE SECTION OF SIG SR-6DD GROOVED BLOCK TO ONTOUR ON BOTTOM II/I6BALSAJJ _______ fiIi __INSET CENTER ___PLAN TOPVIEW SECTION _________________________________________________jI CLOT~ _________ LEFT PANEL~BALSAI TOPUE SPARS ~0 11iiiII ________Il __I —_II_____ _______________ ________ -h------V __TIFj ELEVATOR-7 TILT JIG LOCATION- WRAP CENTER RINSEWITH GLASG SIS MEDIUMLOCATIONAND EPOXY BORN I/B LITE PLY 11/64 FOR OUTER NYROD F-31/4 PLY LU MOUNT TOP DIHEDRAL JIG IIjp/BSISPRUCSPARS TOPAI"r J IF SO BALSA LEADING EDGE CARVE AFTER ASSEMBLY 771 TT17I-31s5 BALSA [LLILLII16 REQUIRED WEB PATTERN 1/5 BALSA BLOCKS WING TIP DETAIL POSITION RIBS WITH SHEER WEBS THEN ADD TOP SPAR 3/32 C-GRAIN BALSA1/16 BALSA CENTER3/32 C-GBAIN BALSA 6 REQUIREDSECTION SHEETING16 REGUIRED PLACE THROTTLE SERVO ON LEFTCENTER WING RIBSNOTEF WING PANELS BUILD _____________FLAT FROM BOTTOM SPAR TO TRAILING EDGE SHEET I/B L OFI&rFIFSPRUCE 1/4 PLY TAILWHEEL BOTTOM FILLER FUSELAGE VIEWS_______ 1/4 PLYWOOD______________ OSFS-40 FOURWILLIAMS BROSELEVATOR 3W B 3/B FRONT SECTION OF LANDING GEAR MOUNT S-US SPINNER9AREAIF/ S -IIGIG TAILWREEL BRACKET 3/4 TAILWHEEL 3/16 1/2 BALSAON 1/4 PLY INSET 1/2 BALSAI/B LITE PLYA LITE PLYCROSS BRACES FILLERIAROWOOD SERVO ODEL AVIATION 4-40 FOR 4 CYCLE 40 2-3/4 DIA WHEELS/I SPAN 5T 590 SO IN WEIGHT 64 OZ LOADING 16 OZJ 50 FT ON U-US BOLTS qpFFPANTS OR MAKE_____________________________________________ FROM FIBERGLASST-3T-4T-5T 6 DESIGNED & DRAWN BY DOC MATHEWS TRACING BY JOE DEMARCO Full-Size Plans Available. Page 180 Left Aileron installation cant get easier Right Uncomplicated decorations add much pleasing appearance model Pilot Williams Bros figure cut off neck Windscreen front section Sig canopy trimmed Stripe Rite tape tiller Use 5-mm epoxy hold block-horn unit trailing edge carve sand basswood match Carefully sand tip blocks shape sand entire wing preparation covering Radio installation 4-40s tend nose-heavy therefore found best mount flight battery behind #2 bulkhead scrap hard wood tween receiver servos best mounted three abreast watch out throttle servo OS 40 FS link engines left have shown holes nylon rods Bulkhead #3 rods criss-cross midway back fuselage order reduce angle cutout tail Anti-sway reinforcement rods should instal led about half-way back preference threaded rod screwed nylon inner section devises horn ends solder links servo ends Use whatever comfortable aileron hookup should use threaded rods solder links instances sure surfaces will move binds stiffness flight battery will give several additional flights per charge controls really free Finishing oovered open frame areas MonoKote including fuse lage turtledeck bottom fabrics would certainly work well fuselage likely easier finish MonoKote can successfully painted finger oils washed off thin ner before applying paint seal exposed wood two thin coats K&B Super Poxy clear sand ing smooth after second coat Two coats Super Poxy primer applied wood MonoKote again sanding after second coat Colored Super Poxy sprayed gives very attrac tive finish miaimum effort 4-40 just doesnt look right pilot canopy 2l-in Williams Bros unit must cut off neck look right epoxy scrap balsa am putation pilot figure colored paint plastics epoxied onto wing Wheel pants add nice touch though nuisance grass runways early flights made wheel pants result being eager fly mow Super Poxy used finish pants Hying balance point control deflections shown plans 4-40 mild pussycat fly balance point moved half-inch rearward creased aileron rudder throwsthe 4-40 wild tiger can see model excellent aileron trainer Takeoffs simply matter using some right-rudder throttle ad vanced watching model take off itself landing just line up runway chop throttle Flying model four-cycle power new experince have constantly re mind ourselves though noise level low model full throttle outside loops sound like low throttle least beginning cant depend sound indicator model attitude engine seems run same speed whether nose model up down 11-SW Rev-Up prop seems perfect match model obvious reasons four-stroke engines extremely attractive flying Continued page 137 Left Theres plenty room ail largest radio equipment Foam wraps battery receiver hold snugly place Removable hatch behind engine provides access fuel tank Author prefers rubberband wing mounting rather nylon bolts model type Right Hayes engine mount provides floor beneath engine maximum rigidity some other mount used fill area scrap balsa Excellent ground handling provided wide-stance pre-bent Sig gear wheel pants Fiberglass Master very attractive though have some drawbacks flying runway tall grass 36 Model Aviation According article Chuck Furutani balsa dust just hangs just about newsletter Soaring Union Los everything wasnt prop either airborne Angeles editor Donna Gurski should inhaled also careful handle graphite fibers have changed procedure find OF Chuck writes wipe off dust tends bunch up pretty neatly can pick up bunches save use fillets bridging CyA glue gaps Conclusion Dont load air load storage bins Wipe off sanding dust' play OF breaking small pieces feeling surfaces rubbing etc Small fibers can imbedded skin Remem ber GF dangerous asbestos Wash hands examine carefully looking fine black slivers before go bathroom handle baby sand plane grind GF laminates must use good mask Cut size sharp scissors keeping track cut tings disposing immediately Chucks reference danger asbestos alleged carcinogen inhaled brings another newsletter article concerning lung irri tants Winding Stooge newsletter Nebraska Free Flighters editor Tom Winter reminds us balsa dust best thing breathe What buildup balsa dust sanding natural temp tation say phoo blow away Dont Wipe dust off Lungs dont like balsa dust Personally have history insomnia long history respiratory difficulties oldfashioned mines could test-canary recent restless night realized awake because breath labored asked myself no mildew around too early pollen Hmm last thing done before retiring carve balsa prop blown dust away Most blown believe previous safety column stated bodies function best breathe lungs air Whenever start filling workshop atmosphere particulates sanding spraying paint urge use mask Have safe month John Preston 12235 Tilden wood Dr Rockville MD 20852 4W4OIMathews Continued aae 36 field neighbors markedly-reduced fuel consumption ability turn large props equally attractive risk repeating ourselves 4-40 may look like trainer certainly posesses qualities will attract jaded pilots project has seemed touched some special magic inception comple tion delighted recommend something really ENJOY SWEITZER ENTERPRISES PO BOX 834 HILLSRORO 7123 503 640-5102 FINEST IN SCALE ilK PLANS 2 50 -60 ENG NED O W4GSP DH89A DRAGON jAPIDE PRICE 53950 PPO BOTH PLANS FEATURE COCKPIT & MARKING DETAIL FIDEROLASS COWLS CANOPYS AVAILABLE NOW COMPLETE WINO ShbOWN MATEBIAL LISr PRICE INCLODES MAILING TONE ADO 5400 FOB AIRMAIL FOREIGN OVENSEAS ORDENSADO $1800 g4 SCALE WInBs pa 90 1 20 ENGINE F8-L SUPER ALC0 PRICE $43ea p p December 1984 137
Edition: Model Aviation - 1984/12
Page Numbers: 30, 31, 32, 33, 34, 35, 36, 137
NO OCR TEXT NO OCR TEXT side stabilizer New bolts repaired stab repairs make As designed 4-40 sufficiently strong Construction Read text study plans until everything clear cut out kit parts trans ferring shapes drawings wood aid carbon paper holes should drilied parts shaped model very easy construct keep alignment Use good flat building surface follow sound princi pies craftsmanship assure good ffight performance wood sizes standard such found hobby shops Ute Ply also known poplar ply door skins Some large building supply stores sell it also Sig product available hobby shops landing gear wheel pants can ordered direct Sig Mfg Co replacement parts Sig kits Hayes AL-40 engine mount perfect fit 05 4OFS nsing Saito Enya four-stroke some other engine mount may needed prototypes constructed almost entirely thick cyanoacrylate CyA glue exception firewall wing joints 4-40 designed nsing MonoKote covering wings rigidity provides Fuselage Develop right side tracing over carbon paper onto Ute Ply Mark bulkhead other locations time Once cut out used pattern left side nose blocks h-in triangular stock wing saddle serve locators bulkheads should adhered sides thick CyA 5-mm epoxy making sure bulkheads fit well basic box can assembled over top view plans fuselage top surface flat drawing Make certain sides parallel right angles building board Slip bulkheads place align everything before flowing CyA glue joints Once section planked set tail post pulled together cross braces added Remove assembly work surface add turtledeckformers uwrnuuuE IuIW UW ram pruuumnlnasy plans now nusoveri OUTII9flTSOfl miana nas maaterea numberofasrob mmneuvera ranL 32 Model Aviation uuxieun-yar-oua nanay ukeulon 5flOWS OTT 4-40 WIth wagon background Scene old Port Lamed Kansas CKUCKWk AkCIarkA FUEUH FLUHT FINE THING FEW oYsTRiTIw4G-D0NTA64 UE6TN6SOMU800V IS CONTROLLING OFF AND iVE 6OTO I4EI.PYOU OT C DESThJE RI4ICT NOW TI4s S GiRLS AND ia CHiP FIND ONE PH SIZECAPER GOING ARE T14061AN5WIRI TOO-hN07NO51FIND OUT NOW i4u/u DOES GIRL OR 441 QUTS \4RKN6DOu5 pIALLy PEAL i061T6 ARE REAL U WLV SYHELPINI OLITW FORMEF - _ ~- NOT LIVE 5TANKS TO 4OLD MORE FUEL BOY &. AIRPLANI AL4U FOR THiS SIDETRACK f S. Rb IN WING BASE AILERON CRANKS 3/16 SHEET BALSA FIN AND RUDDER 3/16K V2I FIN MOUNTS 2 AWM cu io RUER V4 PLY3/4WHEELON I/16MW THRU 516 BRACKET S7I 2 I/B PLYVD BALSA CER OS FS4O 4 CYCLE EN6 ON HAYES AL4O MOUNT I/2SHEET NACELLE FLLERTO FIREWALL SiI 1/4 PLY FREWALL 1 I/2ThI-SrOcK 4-40 SCREWSIN 140 NUTS ON I/4PIY MOUNT vi 32 SHEET 3/16 BALSA WING SADDLE SIG SH 533 NTS w2 44WHEELS 014532 BOLTS THRJ SIG RP BA 249 KlALIER ME1L MOUNT 7 3/IX 3E SPPLJcE SFS TOPANOBOTIOM 3/32BALSA WEBS TIPS 3/8SQ BALSA LE 1/8 SbNOSE SIRINGERS IOPOILY I/B LITE PLY FUSELA3E SIDES 10 NOSE I/8SQ SPRUCE STRINGERS ON I/B FCRMERS 3/16X 1/2 SPREADERS TOP AND BOTTOM V16 SHEET TOPAND BOTTOM TE 1/4X 318 1 E SPAR I/4SHEETAiLERON lit BLOCKS BULT UP BALSA 1/B0IKM 3/32C- GRAIN RIBS Flying slow quiet late-arrivers tiying Tield nave heard wonder out loud can doing outsIde loops low throttle Depending upon control throw settings balance ships gentie enough beginner yet acrobatic forthe experienced stringers Note top spruce stringers inset balsa formers side units terminate against section 3/16-in scrap balsa sanded fair removable top hatch easily con structed tack-gluing block top cutting razor saw section Vs ply CyA-glued bottom rear stub drilled 4-40 blind nuts front ply stub CyA-glued remov able part slides under front attached section hold-down aluminum main gear unit supplied mounting holes pre-drilled use holes guide locate gear bottom mount gear could held #4 sheet metal screws 4-40 bolts blind nuts better wheels should mounted 5/32-in bolts nuts Use wheel collars posi tion clear pants Sig Fiberglass Master wheel pants held 4-40 bolts blind nuts set scrap ply epoxied inside pants steerable tail wheel screwed section inset tail wire tiller moved small strip tin bolted rudder prefer approach burying wire rudder since much less damage done twisted Complete fuselage contour-sand ing nose hatch Smooth everything 380-grit paper preparation cov ering painting dont cover fuselage until radio gear installed Tail surfaces Select firm light balsa stabilizer builds directly over plans other units cut sheet fin fits alignment slot stab prefer pinned type hinges free movement hinge slotting tool very useful After model covered painted control surfaces should hinged CyA-glue small segments tooth picks surfaces through hinges lock Wing ribs cut stacks using mas ter plywood patterns Carefully cut spar notches must reasonably tight fit spar thick CyA glue work properly wing panels mirror images another right wing panel can built back left wing drawing after first moistening area plan Wesson other cooking oil obtain degree transparency Construction bottom up Pin sheet trailing edge down flat position bottom spar use pre-cut shear webs position ribs CyA-glue joints Add top trailing edge sheet spars followed leading edge trailing edge Remove panel plans add center section sheeting Repeat opposite panel making sure center ribs have angled jig Block up tip 1Vs sand bevel panel flat board block up other full 3 epoxy center sections together wing being flat front bottom spar trailing edge greatly simplifies building jigging Cut well center section aileron servo line scrap balsa small section 3/16 -in basswood makes ideal screw retainer Wrap center section top bottom fiber glass cloth 5-min epoxy provides plenty strength needing ply dihedral braces Cut ailerons C-grain balsa sheet Trial-fit hinges horns remove horns fitted segments Sig Vs-in grooved landing gear blocks Use thick CyA adhere brass bearing slots sure clearance groove has 34 Model Aviation best RC Sailplane Old-Timer construction tech niques airframe isweli-stressed yet lightweight Lite Ply sides few bulkheads simple tail surfaces multi-spar wing turn otherwise plain-Jane box rather attractive model Use classic Goldberg Falcon wing airfoil models weight proved ideal match 40-sIze four-stroke engine 3/16 /2 BALSA STABILIZ R l-rnzzzXE RUDDER SLOT I_______ 3/16 BALSA1/16 MW SKEETJOINER 9/64 THROTTLE HSYESCABLE AL 401/B LITE9/64 THROTTLE MOUNTCABLE o0 1/4 FUEL LINE HOLES 1/4 PLY F-IF-2 TAPER PLY4-40 BOLTS B SIDESBLIND NUTS 3/B BALSA SHEET HAYES L MOTOR MOUNT_KIIIr1IjjirtJi 3/1655HARE BALSAII/BBALSA it SHEETTOP B SEE TEXT FOR AILERON DETAILS315 SR-54B STRIP AILERON1/4 BALSA SHEETDIHEDRAL 1-1/2 AT AILERONS3/B 1/4PINNED RINSESEACH WINB TIP CARVE SECTION OF SIG SR-6DD GROOVED BLOCK TO ONTOUR ON BOTTOM II/I6BALSAJJ _______ fiIi __INSET CENTER ___PLAN TOPVIEW SECTION _________________________________________________jI CLOT~ _________ LEFT PANEL~BALSAI TOPUE SPARS ~0 11iiiII ________Il __I —_II_____ _______________ ________ -h------V __TIFj ELEVATOR-7 TILT JIG LOCATION- WRAP CENTER RINSEWITH GLASG SIS MEDIUMLOCATIONAND EPOXY BORN I/B LITE PLY 11/64 FOR OUTER NYROD F-31/4 PLY LU MOUNT TOP DIHEDRAL JIG IIjp/BSISPRUCSPARS TOPAI"r J IF SO BALSA LEADING EDGE CARVE AFTER ASSEMBLY 771 TT17I-31s5 BALSA [LLILLII16 REQUIRED WEB PATTERN 1/5 BALSA BLOCKS WING TIP DETAIL POSITION RIBS WITH SHEER WEBS THEN ADD TOP SPAR 3/32 C-GRAIN BALSA1/16 BALSA CENTER3/32 C-GBAIN BALSA 6 REQUIREDSECTION SHEETING16 REGUIRED PLACE THROTTLE SERVO ON LEFTCENTER WING RIBSNOTEF WING PANELS BUILD _____________FLAT FROM BOTTOM SPAR TO TRAILING EDGE SHEET I/B L OFI&rFIFSPRUCE 1/4 PLY TAILWHEEL BOTTOM FILLER FUSELAGE VIEWS_______ 1/4 PLYWOOD______________ OSFS-40 FOURWILLIAMS BROSELEVATOR 3W B 3/B FRONT SECTION OF LANDING GEAR MOUNT S-US SPINNER9AREAIF/ S -IIGIG TAILWREEL BRACKET 3/4 TAILWHEEL 3/16 1/2 BALSAON 1/4 PLY INSET 1/2 BALSAI/B LITE PLYA LITE PLYCROSS BRACES FILLERIAROWOOD SERVO ODEL AVIATION 4-40 FOR 4 CYCLE 40 2-3/4 DIA WHEELS/I SPAN 5T 590 SO IN WEIGHT 64 OZ LOADING 16 OZJ 50 FT ON U-US BOLTS qpFFPANTS OR MAKE_____________________________________________ FROM FIBERGLASST-3T-4T-5T 6 DESIGNED & DRAWN BY DOC MATHEWS TRACING BY JOE DEMARCO Full-Size Plans Available. Page 180 Left Aileron installation cant get easier Right Uncomplicated decorations add much pleasing appearance model Pilot Williams Bros figure cut off neck Windscreen front section Sig canopy trimmed Stripe Rite tape tiller Use 5-mm epoxy hold block-horn unit trailing edge carve sand basswood match Carefully sand tip blocks shape sand entire wing preparation covering Radio installation 4-40s tend nose-heavy therefore found best mount flight battery behind #2 bulkhead scrap hard wood tween receiver servos best mounted three abreast watch out throttle servo OS 40 FS link engines left have shown holes nylon rods Bulkhead #3 rods criss-cross midway back fuselage order reduce angle cutout tail Anti-sway reinforcement rods should instal led about half-way back preference threaded rod screwed nylon inner section devises horn ends solder links servo ends Use whatever comfortable aileron hookup should use threaded rods solder links instances sure surfaces will move binds stiffness flight battery will give several additional flights per charge controls really free Finishing oovered open frame areas MonoKote including fuse lage turtledeck bottom fabrics would certainly work well fuselage likely easier finish MonoKote can successfully painted finger oils washed off thin ner before applying paint seal exposed wood two thin coats K&B Super Poxy clear sand ing smooth after second coat Two coats Super Poxy primer applied wood MonoKote again sanding after second coat Colored Super Poxy sprayed gives very attrac tive finish miaimum effort 4-40 just doesnt look right pilot canopy 2l-in Williams Bros unit must cut off neck look right epoxy scrap balsa am putation pilot figure colored paint plastics epoxied onto wing Wheel pants add nice touch though nuisance grass runways early flights made wheel pants result being eager fly mow Super Poxy used finish pants Hying balance point control deflections shown plans 4-40 mild pussycat fly balance point moved half-inch rearward creased aileron rudder throwsthe 4-40 wild tiger can see model excellent aileron trainer Takeoffs simply matter using some right-rudder throttle ad vanced watching model take off itself landing just line up runway chop throttle Flying model four-cycle power new experince have constantly re mind ourselves though noise level low model full throttle outside loops sound like low throttle least beginning cant depend sound indicator model attitude engine seems run same speed whether nose model up down 11-SW Rev-Up prop seems perfect match model obvious reasons four-stroke engines extremely attractive flying Continued page 137 Left Theres plenty room ail largest radio equipment Foam wraps battery receiver hold snugly place Removable hatch behind engine provides access fuel tank Author prefers rubberband wing mounting rather nylon bolts model type Right Hayes engine mount provides floor beneath engine maximum rigidity some other mount used fill area scrap balsa Excellent ground handling provided wide-stance pre-bent Sig gear wheel pants Fiberglass Master very attractive though have some drawbacks flying runway tall grass 36 Model Aviation According article Chuck Furutani balsa dust just hangs just about newsletter Soaring Union Los everything wasnt prop either airborne Angeles editor Donna Gurski should inhaled also careful handle graphite fibers have changed procedure find OF Chuck writes wipe off dust tends bunch up pretty neatly can pick up bunches save use fillets bridging CyA glue gaps Conclusion Dont load air load storage bins Wipe off sanding dust' play OF breaking small pieces feeling surfaces rubbing etc Small fibers can imbedded skin Remem ber GF dangerous asbestos Wash hands examine carefully looking fine black slivers before go bathroom handle baby sand plane grind GF laminates must use good mask Cut size sharp scissors keeping track cut tings disposing immediately Chucks reference danger asbestos alleged carcinogen inhaled brings another newsletter article concerning lung irri tants Winding Stooge newsletter Nebraska Free Flighters editor Tom Winter reminds us balsa dust best thing breathe What buildup balsa dust sanding natural temp tation say phoo blow away Dont Wipe dust off Lungs dont like balsa dust Personally have history insomnia long history respiratory difficulties oldfashioned mines could test-canary recent restless night realized awake because breath labored asked myself no mildew around too early pollen Hmm last thing done before retiring carve balsa prop blown dust away Most blown believe previous safety column stated bodies function best breathe lungs air Whenever start filling workshop atmosphere particulates sanding spraying paint urge use mask Have safe month John Preston 12235 Tilden wood Dr Rockville MD 20852 4W4OIMathews Continued aae 36 field neighbors markedly-reduced fuel consumption ability turn large props equally attractive risk repeating ourselves 4-40 may look like trainer certainly posesses qualities will attract jaded pilots project has seemed touched some special magic inception comple tion delighted recommend something really ENJOY SWEITZER ENTERPRISES PO BOX 834 HILLSRORO 7123 503 640-5102 FINEST IN SCALE ilK PLANS 2 50 -60 ENG NED O W4GSP DH89A DRAGON jAPIDE PRICE 53950 PPO BOTH PLANS FEATURE COCKPIT & MARKING DETAIL FIDEROLASS COWLS CANOPYS AVAILABLE NOW COMPLETE WINO ShbOWN MATEBIAL LISr PRICE INCLODES MAILING TONE ADO 5400 FOB AIRMAIL FOREIGN OVENSEAS ORDENSADO $1800 g4 SCALE WInBs pa 90 1 20 ENGINE F8-L SUPER ALC0 PRICE $43ea p p December 1984 137
Edition: Model Aviation - 1984/12
Page Numbers: 30, 31, 32, 33, 34, 35, 36, 137
NO OCR TEXT NO OCR TEXT side stabilizer New bolts repaired stab repairs make As designed 4-40 sufficiently strong Construction Read text study plans until everything clear cut out kit parts trans ferring shapes drawings wood aid carbon paper holes should drilied parts shaped model very easy construct keep alignment Use good flat building surface follow sound princi pies craftsmanship assure good ffight performance wood sizes standard such found hobby shops Ute Ply also known poplar ply door skins Some large building supply stores sell it also Sig product available hobby shops landing gear wheel pants can ordered direct Sig Mfg Co replacement parts Sig kits Hayes AL-40 engine mount perfect fit 05 4OFS nsing Saito Enya four-stroke some other engine mount may needed prototypes constructed almost entirely thick cyanoacrylate CyA glue exception firewall wing joints 4-40 designed nsing MonoKote covering wings rigidity provides Fuselage Develop right side tracing over carbon paper onto Ute Ply Mark bulkhead other locations time Once cut out used pattern left side nose blocks h-in triangular stock wing saddle serve locators bulkheads should adhered sides thick CyA 5-mm epoxy making sure bulkheads fit well basic box can assembled over top view plans fuselage top surface flat drawing Make certain sides parallel right angles building board Slip bulkheads place align everything before flowing CyA glue joints Once section planked set tail post pulled together cross braces added Remove assembly work surface add turtledeckformers uwrnuuuE IuIW UW ram pruuumnlnasy plans now nusoveri OUTII9flTSOfl miana nas maaterea numberofasrob mmneuvera ranL 32 Model Aviation uuxieun-yar-oua nanay ukeulon 5flOWS OTT 4-40 WIth wagon background Scene old Port Lamed Kansas CKUCKWk AkCIarkA FUEUH FLUHT FINE THING FEW oYsTRiTIw4G-D0NTA64 UE6TN6SOMU800V IS CONTROLLING OFF AND iVE 6OTO I4EI.PYOU OT C DESThJE RI4ICT NOW TI4s S GiRLS AND ia CHiP FIND ONE PH SIZECAPER GOING ARE T14061AN5WIRI TOO-hN07NO51FIND OUT NOW i4u/u DOES GIRL OR 441 QUTS \4RKN6DOu5 pIALLy PEAL i061T6 ARE REAL U WLV SYHELPINI OLITW FORMEF - _ ~- NOT LIVE 5TANKS TO 4OLD MORE FUEL BOY &. AIRPLANI AL4U FOR THiS SIDETRACK f S. Rb IN WING BASE AILERON CRANKS 3/16 SHEET BALSA FIN AND RUDDER 3/16K V2I FIN MOUNTS 2 AWM cu io RUER V4 PLY3/4WHEELON I/16MW THRU 516 BRACKET S7I 2 I/B PLYVD BALSA CER OS FS4O 4 CYCLE EN6 ON HAYES AL4O MOUNT I/2SHEET NACELLE FLLERTO FIREWALL SiI 1/4 PLY FREWALL 1 I/2ThI-SrOcK 4-40 SCREWSIN 140 NUTS ON I/4PIY MOUNT vi 32 SHEET 3/16 BALSA WING SADDLE SIG SH 533 NTS w2 44WHEELS 014532 BOLTS THRJ SIG RP BA 249 KlALIER ME1L MOUNT 7 3/IX 3E SPPLJcE SFS TOPANOBOTIOM 3/32BALSA WEBS TIPS 3/8SQ BALSA LE 1/8 SbNOSE SIRINGERS IOPOILY I/B LITE PLY FUSELA3E SIDES 10 NOSE I/8SQ SPRUCE STRINGERS ON I/B FCRMERS 3/16X 1/2 SPREADERS TOP AND BOTTOM V16 SHEET TOPAND BOTTOM TE 1/4X 318 1 E SPAR I/4SHEETAiLERON lit BLOCKS BULT UP BALSA 1/B0IKM 3/32C- GRAIN RIBS Flying slow quiet late-arrivers tiying Tield nave heard wonder out loud can doing outsIde loops low throttle Depending upon control throw settings balance ships gentie enough beginner yet acrobatic forthe experienced stringers Note top spruce stringers inset balsa formers side units terminate against section 3/16-in scrap balsa sanded fair removable top hatch easily con structed tack-gluing block top cutting razor saw section Vs ply CyA-glued bottom rear stub drilled 4-40 blind nuts front ply stub CyA-glued remov able part slides under front attached section hold-down aluminum main gear unit supplied mounting holes pre-drilled use holes guide locate gear bottom mount gear could held #4 sheet metal screws 4-40 bolts blind nuts better wheels should mounted 5/32-in bolts nuts Use wheel collars posi tion clear pants Sig Fiberglass Master wheel pants held 4-40 bolts blind nuts set scrap ply epoxied inside pants steerable tail wheel screwed section inset tail wire tiller moved small strip tin bolted rudder prefer approach burying wire rudder since much less damage done twisted Complete fuselage contour-sand ing nose hatch Smooth everything 380-grit paper preparation cov ering painting dont cover fuselage until radio gear installed Tail surfaces Select firm light balsa stabilizer builds directly over plans other units cut sheet fin fits alignment slot stab prefer pinned type hinges free movement hinge slotting tool very useful After model covered painted control surfaces should hinged CyA-glue small segments tooth picks surfaces through hinges lock Wing ribs cut stacks using mas ter plywood patterns Carefully cut spar notches must reasonably tight fit spar thick CyA glue work properly wing panels mirror images another right wing panel can built back left wing drawing after first moistening area plan Wesson other cooking oil obtain degree transparency Construction bottom up Pin sheet trailing edge down flat position bottom spar use pre-cut shear webs position ribs CyA-glue joints Add top trailing edge sheet spars followed leading edge trailing edge Remove panel plans add center section sheeting Repeat opposite panel making sure center ribs have angled jig Block up tip 1Vs sand bevel panel flat board block up other full 3 epoxy center sections together wing being flat front bottom spar trailing edge greatly simplifies building jigging Cut well center section aileron servo line scrap balsa small section 3/16 -in basswood makes ideal screw retainer Wrap center section top bottom fiber glass cloth 5-min epoxy provides plenty strength needing ply dihedral braces Cut ailerons C-grain balsa sheet Trial-fit hinges horns remove horns fitted segments Sig Vs-in grooved landing gear blocks Use thick CyA adhere brass bearing slots sure clearance groove has 34 Model Aviation best RC Sailplane Old-Timer construction tech niques airframe isweli-stressed yet lightweight Lite Ply sides few bulkheads simple tail surfaces multi-spar wing turn otherwise plain-Jane box rather attractive model Use classic Goldberg Falcon wing airfoil models weight proved ideal match 40-sIze four-stroke engine 3/16 /2 BALSA STABILIZ R l-rnzzzXE RUDDER SLOT I_______ 3/16 BALSA1/16 MW SKEETJOINER 9/64 THROTTLE HSYESCABLE AL 401/B LITE9/64 THROTTLE MOUNTCABLE o0 1/4 FUEL LINE HOLES 1/4 PLY F-IF-2 TAPER PLY4-40 BOLTS B SIDESBLIND NUTS 3/B BALSA SHEET HAYES L MOTOR MOUNT_KIIIr1IjjirtJi 3/1655HARE BALSAII/BBALSA it SHEETTOP B SEE TEXT FOR AILERON DETAILS315 SR-54B STRIP AILERON1/4 BALSA SHEETDIHEDRAL 1-1/2 AT AILERONS3/B 1/4PINNED RINSESEACH WINB TIP CARVE SECTION OF SIG SR-6DD GROOVED BLOCK TO ONTOUR ON BOTTOM II/I6BALSAJJ _______ fiIi __INSET CENTER ___PLAN TOPVIEW SECTION _________________________________________________jI CLOT~ _________ LEFT PANEL~BALSAI TOPUE SPARS ~0 11iiiII ________Il __I —_II_____ _______________ ________ -h------V __TIFj ELEVATOR-7 TILT JIG LOCATION- WRAP CENTER RINSEWITH GLASG SIS MEDIUMLOCATIONAND EPOXY BORN I/B LITE PLY 11/64 FOR OUTER NYROD F-31/4 PLY LU MOUNT TOP DIHEDRAL JIG IIjp/BSISPRUCSPARS TOPAI"r J IF SO BALSA LEADING EDGE CARVE AFTER ASSEMBLY 771 TT17I-31s5 BALSA [LLILLII16 REQUIRED WEB PATTERN 1/5 BALSA BLOCKS WING TIP DETAIL POSITION RIBS WITH SHEER WEBS THEN ADD TOP SPAR 3/32 C-GRAIN BALSA1/16 BALSA CENTER3/32 C-GBAIN BALSA 6 REQUIREDSECTION SHEETING16 REGUIRED PLACE THROTTLE SERVO ON LEFTCENTER WING RIBSNOTEF WING PANELS BUILD _____________FLAT FROM BOTTOM SPAR TO TRAILING EDGE SHEET I/B L OFI&rFIFSPRUCE 1/4 PLY TAILWHEEL BOTTOM FILLER FUSELAGE VIEWS_______ 1/4 PLYWOOD______________ OSFS-40 FOURWILLIAMS BROSELEVATOR 3W B 3/B FRONT SECTION OF LANDING GEAR MOUNT S-US SPINNER9AREAIF/ S -IIGIG TAILWREEL BRACKET 3/4 TAILWHEEL 3/16 1/2 BALSAON 1/4 PLY INSET 1/2 BALSAI/B LITE PLYA LITE PLYCROSS BRACES FILLERIAROWOOD SERVO ODEL AVIATION 4-40 FOR 4 CYCLE 40 2-3/4 DIA WHEELS/I SPAN 5T 590 SO IN WEIGHT 64 OZ LOADING 16 OZJ 50 FT ON U-US BOLTS qpFFPANTS OR MAKE_____________________________________________ FROM FIBERGLASST-3T-4T-5T 6 DESIGNED & DRAWN BY DOC MATHEWS TRACING BY JOE DEMARCO Full-Size Plans Available. Page 180 Left Aileron installation cant get easier Right Uncomplicated decorations add much pleasing appearance model Pilot Williams Bros figure cut off neck Windscreen front section Sig canopy trimmed Stripe Rite tape tiller Use 5-mm epoxy hold block-horn unit trailing edge carve sand basswood match Carefully sand tip blocks shape sand entire wing preparation covering Radio installation 4-40s tend nose-heavy therefore found best mount flight battery behind #2 bulkhead scrap hard wood tween receiver servos best mounted three abreast watch out throttle servo OS 40 FS link engines left have shown holes nylon rods Bulkhead #3 rods criss-cross midway back fuselage order reduce angle cutout tail Anti-sway reinforcement rods should instal led about half-way back preference threaded rod screwed nylon inner section devises horn ends solder links servo ends Use whatever comfortable aileron hookup should use threaded rods solder links instances sure surfaces will move binds stiffness flight battery will give several additional flights per charge controls really free Finishing oovered open frame areas MonoKote including fuse lage turtledeck bottom fabrics would certainly work well fuselage likely easier finish MonoKote can successfully painted finger oils washed off thin ner before applying paint seal exposed wood two thin coats K&B Super Poxy clear sand ing smooth after second coat Two coats Super Poxy primer applied wood MonoKote again sanding after second coat Colored Super Poxy sprayed gives very attrac tive finish miaimum effort 4-40 just doesnt look right pilot canopy 2l-in Williams Bros unit must cut off neck look right epoxy scrap balsa am putation pilot figure colored paint plastics epoxied onto wing Wheel pants add nice touch though nuisance grass runways early flights made wheel pants result being eager fly mow Super Poxy used finish pants Hying balance point control deflections shown plans 4-40 mild pussycat fly balance point moved half-inch rearward creased aileron rudder throwsthe 4-40 wild tiger can see model excellent aileron trainer Takeoffs simply matter using some right-rudder throttle ad vanced watching model take off itself landing just line up runway chop throttle Flying model four-cycle power new experince have constantly re mind ourselves though noise level low model full throttle outside loops sound like low throttle least beginning cant depend sound indicator model attitude engine seems run same speed whether nose model up down 11-SW Rev-Up prop seems perfect match model obvious reasons four-stroke engines extremely attractive flying Continued page 137 Left Theres plenty room ail largest radio equipment Foam wraps battery receiver hold snugly place Removable hatch behind engine provides access fuel tank Author prefers rubberband wing mounting rather nylon bolts model type Right Hayes engine mount provides floor beneath engine maximum rigidity some other mount used fill area scrap balsa Excellent ground handling provided wide-stance pre-bent Sig gear wheel pants Fiberglass Master very attractive though have some drawbacks flying runway tall grass 36 Model Aviation According article Chuck Furutani balsa dust just hangs just about newsletter Soaring Union Los everything wasnt prop either airborne Angeles editor Donna Gurski should inhaled also careful handle graphite fibers have changed procedure find OF Chuck writes wipe off dust tends bunch up pretty neatly can pick up bunches save use fillets bridging CyA glue gaps Conclusion Dont load air load storage bins Wipe off sanding dust' play OF breaking small pieces feeling surfaces rubbing etc Small fibers can imbedded skin Remem ber GF dangerous asbestos Wash hands examine carefully looking fine black slivers before go bathroom handle baby sand plane grind GF laminates must use good mask Cut size sharp scissors keeping track cut tings disposing immediately Chucks reference danger asbestos alleged carcinogen inhaled brings another newsletter article concerning lung irri tants Winding Stooge newsletter Nebraska Free Flighters editor Tom Winter reminds us balsa dust best thing breathe What buildup balsa dust sanding natural temp tation say phoo blow away Dont Wipe dust off Lungs dont like balsa dust Personally have history insomnia long history respiratory difficulties oldfashioned mines could test-canary recent restless night realized awake because breath labored asked myself no mildew around too early pollen Hmm last thing done before retiring carve balsa prop blown dust away Most blown believe previous safety column stated bodies function best breathe lungs air Whenever start filling workshop atmosphere particulates sanding spraying paint urge use mask Have safe month John Preston 12235 Tilden wood Dr Rockville MD 20852 4W4OIMathews Continued aae 36 field neighbors markedly-reduced fuel consumption ability turn large props equally attractive risk repeating ourselves 4-40 may look like trainer certainly posesses qualities will attract jaded pilots project has seemed touched some special magic inception comple tion delighted recommend something really ENJOY SWEITZER ENTERPRISES PO BOX 834 HILLSRORO 7123 503 640-5102 FINEST IN SCALE ilK PLANS 2 50 -60 ENG NED O W4GSP DH89A DRAGON jAPIDE PRICE 53950 PPO BOTH PLANS FEATURE COCKPIT & MARKING DETAIL FIDEROLASS COWLS CANOPYS AVAILABLE NOW COMPLETE WINO ShbOWN MATEBIAL LISr PRICE INCLODES MAILING TONE ADO 5400 FOB AIRMAIL FOREIGN OVENSEAS ORDENSADO $1800 g4 SCALE WInBs pa 90 1 20 ENGINE F8-L SUPER ALC0 PRICE $43ea p p December 1984 137
Edition: Model Aviation - 1984/12
Page Numbers: 30, 31, 32, 33, 34, 35, 36, 137
NO OCR TEXT NO OCR TEXT side stabilizer New bolts repaired stab repairs make As designed 4-40 sufficiently strong Construction Read text study plans until everything clear cut out kit parts trans ferring shapes drawings wood aid carbon paper holes should drilied parts shaped model very easy construct keep alignment Use good flat building surface follow sound princi pies craftsmanship assure good ffight performance wood sizes standard such found hobby shops Ute Ply also known poplar ply door skins Some large building supply stores sell it also Sig product available hobby shops landing gear wheel pants can ordered direct Sig Mfg Co replacement parts Sig kits Hayes AL-40 engine mount perfect fit 05 4OFS nsing Saito Enya four-stroke some other engine mount may needed prototypes constructed almost entirely thick cyanoacrylate CyA glue exception firewall wing joints 4-40 designed nsing MonoKote covering wings rigidity provides Fuselage Develop right side tracing over carbon paper onto Ute Ply Mark bulkhead other locations time Once cut out used pattern left side nose blocks h-in triangular stock wing saddle serve locators bulkheads should adhered sides thick CyA 5-mm epoxy making sure bulkheads fit well basic box can assembled over top view plans fuselage top surface flat drawing Make certain sides parallel right angles building board Slip bulkheads place align everything before flowing CyA glue joints Once section planked set tail post pulled together cross braces added Remove assembly work surface add turtledeckformers uwrnuuuE IuIW UW ram pruuumnlnasy plans now nusoveri OUTII9flTSOfl miana nas maaterea numberofasrob mmneuvera ranL 32 Model Aviation uuxieun-yar-oua nanay ukeulon 5flOWS OTT 4-40 WIth wagon background Scene old Port Lamed Kansas CKUCKWk AkCIarkA FUEUH FLUHT FINE THING FEW oYsTRiTIw4G-D0NTA64 UE6TN6SOMU800V IS CONTROLLING OFF AND iVE 6OTO I4EI.PYOU OT C DESThJE RI4ICT NOW TI4s S GiRLS AND ia CHiP FIND ONE PH SIZECAPER GOING ARE T14061AN5WIRI TOO-hN07NO51FIND OUT NOW i4u/u DOES GIRL OR 441 QUTS \4RKN6DOu5 pIALLy PEAL i061T6 ARE REAL U WLV SYHELPINI OLITW FORMEF - _ ~- NOT LIVE 5TANKS TO 4OLD MORE FUEL BOY &. AIRPLANI AL4U FOR THiS SIDETRACK f S. Rb IN WING BASE AILERON CRANKS 3/16 SHEET BALSA FIN AND RUDDER 3/16K V2I FIN MOUNTS 2 AWM cu io RUER V4 PLY3/4WHEELON I/16MW THRU 516 BRACKET S7I 2 I/B PLYVD BALSA CER OS FS4O 4 CYCLE EN6 ON HAYES AL4O MOUNT I/2SHEET NACELLE FLLERTO FIREWALL SiI 1/4 PLY FREWALL 1 I/2ThI-SrOcK 4-40 SCREWSIN 140 NUTS ON I/4PIY MOUNT vi 32 SHEET 3/16 BALSA WING SADDLE SIG SH 533 NTS w2 44WHEELS 014532 BOLTS THRJ SIG RP BA 249 KlALIER ME1L MOUNT 7 3/IX 3E SPPLJcE SFS TOPANOBOTIOM 3/32BALSA WEBS TIPS 3/8SQ BALSA LE 1/8 SbNOSE SIRINGERS IOPOILY I/B LITE PLY FUSELA3E SIDES 10 NOSE I/8SQ SPRUCE STRINGERS ON I/B FCRMERS 3/16X 1/2 SPREADERS TOP AND BOTTOM V16 SHEET TOPAND BOTTOM TE 1/4X 318 1 E SPAR I/4SHEETAiLERON lit BLOCKS BULT UP BALSA 1/B0IKM 3/32C- GRAIN RIBS Flying slow quiet late-arrivers tiying Tield nave heard wonder out loud can doing outsIde loops low throttle Depending upon control throw settings balance ships gentie enough beginner yet acrobatic forthe experienced stringers Note top spruce stringers inset balsa formers side units terminate against section 3/16-in scrap balsa sanded fair removable top hatch easily con structed tack-gluing block top cutting razor saw section Vs ply CyA-glued bottom rear stub drilled 4-40 blind nuts front ply stub CyA-glued remov able part slides under front attached section hold-down aluminum main gear unit supplied mounting holes pre-drilled use holes guide locate gear bottom mount gear could held #4 sheet metal screws 4-40 bolts blind nuts better wheels should mounted 5/32-in bolts nuts Use wheel collars posi tion clear pants Sig Fiberglass Master wheel pants held 4-40 bolts blind nuts set scrap ply epoxied inside pants steerable tail wheel screwed section inset tail wire tiller moved small strip tin bolted rudder prefer approach burying wire rudder since much less damage done twisted Complete fuselage contour-sand ing nose hatch Smooth everything 380-grit paper preparation cov ering painting dont cover fuselage until radio gear installed Tail surfaces Select firm light balsa stabilizer builds directly over plans other units cut sheet fin fits alignment slot stab prefer pinned type hinges free movement hinge slotting tool very useful After model covered painted control surfaces should hinged CyA-glue small segments tooth picks surfaces through hinges lock Wing ribs cut stacks using mas ter plywood patterns Carefully cut spar notches must reasonably tight fit spar thick CyA glue work properly wing panels mirror images another right wing panel can built back left wing drawing after first moistening area plan Wesson other cooking oil obtain degree transparency Construction bottom up Pin sheet trailing edge down flat position bottom spar use pre-cut shear webs position ribs CyA-glue joints Add top trailing edge sheet spars followed leading edge trailing edge Remove panel plans add center section sheeting Repeat opposite panel making sure center ribs have angled jig Block up tip 1Vs sand bevel panel flat board block up other full 3 epoxy center sections together wing being flat front bottom spar trailing edge greatly simplifies building jigging Cut well center section aileron servo line scrap balsa small section 3/16 -in basswood makes ideal screw retainer Wrap center section top bottom fiber glass cloth 5-min epoxy provides plenty strength needing ply dihedral braces Cut ailerons C-grain balsa sheet Trial-fit hinges horns remove horns fitted segments Sig Vs-in grooved landing gear blocks Use thick CyA adhere brass bearing slots sure clearance groove has 34 Model Aviation best RC Sailplane Old-Timer construction tech niques airframe isweli-stressed yet lightweight Lite Ply sides few bulkheads simple tail surfaces multi-spar wing turn otherwise plain-Jane box rather attractive model Use classic Goldberg Falcon wing airfoil models weight proved ideal match 40-sIze four-stroke engine 3/16 /2 BALSA STABILIZ R l-rnzzzXE RUDDER SLOT I_______ 3/16 BALSA1/16 MW SKEETJOINER 9/64 THROTTLE HSYESCABLE AL 401/B LITE9/64 THROTTLE MOUNTCABLE o0 1/4 FUEL LINE HOLES 1/4 PLY F-IF-2 TAPER PLY4-40 BOLTS B SIDESBLIND NUTS 3/B BALSA SHEET HAYES L MOTOR MOUNT_KIIIr1IjjirtJi 3/1655HARE BALSAII/BBALSA it SHEETTOP B SEE TEXT FOR AILERON DETAILS315 SR-54B STRIP AILERON1/4 BALSA SHEETDIHEDRAL 1-1/2 AT AILERONS3/B 1/4PINNED RINSESEACH WINB TIP CARVE SECTION OF SIG SR-6DD GROOVED BLOCK TO ONTOUR ON BOTTOM II/I6BALSAJJ _______ fiIi __INSET CENTER ___PLAN TOPVIEW SECTION _________________________________________________jI CLOT~ _________ LEFT PANEL~BALSAI TOPUE SPARS ~0 11iiiII ________Il __I —_II_____ _______________ ________ -h------V __TIFj ELEVATOR-7 TILT JIG LOCATION- WRAP CENTER RINSEWITH GLASG SIS MEDIUMLOCATIONAND EPOXY BORN I/B LITE PLY 11/64 FOR OUTER NYROD F-31/4 PLY LU MOUNT TOP DIHEDRAL JIG IIjp/BSISPRUCSPARS TOPAI"r J IF SO BALSA LEADING EDGE CARVE AFTER ASSEMBLY 771 TT17I-31s5 BALSA [LLILLII16 REQUIRED WEB PATTERN 1/5 BALSA BLOCKS WING TIP DETAIL POSITION RIBS WITH SHEER WEBS THEN ADD TOP SPAR 3/32 C-GRAIN BALSA1/16 BALSA CENTER3/32 C-GBAIN BALSA 6 REQUIREDSECTION SHEETING16 REGUIRED PLACE THROTTLE SERVO ON LEFTCENTER WING RIBSNOTEF WING PANELS BUILD _____________FLAT FROM BOTTOM SPAR TO TRAILING EDGE SHEET I/B L OFI&rFIFSPRUCE 1/4 PLY TAILWHEEL BOTTOM FILLER FUSELAGE VIEWS_______ 1/4 PLYWOOD______________ OSFS-40 FOURWILLIAMS BROSELEVATOR 3W B 3/B FRONT SECTION OF LANDING GEAR MOUNT S-US SPINNER9AREAIF/ S -IIGIG TAILWREEL BRACKET 3/4 TAILWHEEL 3/16 1/2 BALSAON 1/4 PLY INSET 1/2 BALSAI/B LITE PLYA LITE PLYCROSS BRACES FILLERIAROWOOD SERVO ODEL AVIATION 4-40 FOR 4 CYCLE 40 2-3/4 DIA WHEELS/I SPAN 5T 590 SO IN WEIGHT 64 OZ LOADING 16 OZJ 50 FT ON U-US BOLTS qpFFPANTS OR MAKE_____________________________________________ FROM FIBERGLASST-3T-4T-5T 6 DESIGNED & DRAWN BY DOC MATHEWS TRACING BY JOE DEMARCO Full-Size Plans Available. Page 180 Left Aileron installation cant get easier Right Uncomplicated decorations add much pleasing appearance model Pilot Williams Bros figure cut off neck Windscreen front section Sig canopy trimmed Stripe Rite tape tiller Use 5-mm epoxy hold block-horn unit trailing edge carve sand basswood match Carefully sand tip blocks shape sand entire wing preparation covering Radio installation 4-40s tend nose-heavy therefore found best mount flight battery behind #2 bulkhead scrap hard wood tween receiver servos best mounted three abreast watch out throttle servo OS 40 FS link engines left have shown holes nylon rods Bulkhead #3 rods criss-cross midway back fuselage order reduce angle cutout tail Anti-sway reinforcement rods should instal led about half-way back preference threaded rod screwed nylon inner section devises horn ends solder links servo ends Use whatever comfortable aileron hookup should use threaded rods solder links instances sure surfaces will move binds stiffness flight battery will give several additional flights per charge controls really free Finishing oovered open frame areas MonoKote including fuse lage turtledeck bottom fabrics would certainly work well fuselage likely easier finish MonoKote can successfully painted finger oils washed off thin ner before applying paint seal exposed wood two thin coats K&B Super Poxy clear sand ing smooth after second coat Two coats Super Poxy primer applied wood MonoKote again sanding after second coat Colored Super Poxy sprayed gives very attrac tive finish miaimum effort 4-40 just doesnt look right pilot canopy 2l-in Williams Bros unit must cut off neck look right epoxy scrap balsa am putation pilot figure colored paint plastics epoxied onto wing Wheel pants add nice touch though nuisance grass runways early flights made wheel pants result being eager fly mow Super Poxy used finish pants Hying balance point control deflections shown plans 4-40 mild pussycat fly balance point moved half-inch rearward creased aileron rudder throwsthe 4-40 wild tiger can see model excellent aileron trainer Takeoffs simply matter using some right-rudder throttle ad vanced watching model take off itself landing just line up runway chop throttle Flying model four-cycle power new experince have constantly re mind ourselves though noise level low model full throttle outside loops sound like low throttle least beginning cant depend sound indicator model attitude engine seems run same speed whether nose model up down 11-SW Rev-Up prop seems perfect match model obvious reasons four-stroke engines extremely attractive flying Continued page 137 Left Theres plenty room ail largest radio equipment Foam wraps battery receiver hold snugly place Removable hatch behind engine provides access fuel tank Author prefers rubberband wing mounting rather nylon bolts model type Right Hayes engine mount provides floor beneath engine maximum rigidity some other mount used fill area scrap balsa Excellent ground handling provided wide-stance pre-bent Sig gear wheel pants Fiberglass Master very attractive though have some drawbacks flying runway tall grass 36 Model Aviation According article Chuck Furutani balsa dust just hangs just about newsletter Soaring Union Los everything wasnt prop either airborne Angeles editor Donna Gurski should inhaled also careful handle graphite fibers have changed procedure find OF Chuck writes wipe off dust tends bunch up pretty neatly can pick up bunches save use fillets bridging CyA glue gaps Conclusion Dont load air load storage bins Wipe off sanding dust' play OF breaking small pieces feeling surfaces rubbing etc Small fibers can imbedded skin Remem ber GF dangerous asbestos Wash hands examine carefully looking fine black slivers before go bathroom handle baby sand plane grind GF laminates must use good mask Cut size sharp scissors keeping track cut tings disposing immediately Chucks reference danger asbestos alleged carcinogen inhaled brings another newsletter article concerning lung irri tants Winding Stooge newsletter Nebraska Free Flighters editor Tom Winter reminds us balsa dust best thing breathe What buildup balsa dust sanding natural temp tation say phoo blow away Dont Wipe dust off Lungs dont like balsa dust Personally have history insomnia long history respiratory difficulties oldfashioned mines could test-canary recent restless night realized awake because breath labored asked myself no mildew around too early pollen Hmm last thing done before retiring carve balsa prop blown dust away Most blown believe previous safety column stated bodies function best breathe lungs air Whenever start filling workshop atmosphere particulates sanding spraying paint urge use mask Have safe month John Preston 12235 Tilden wood Dr Rockville MD 20852 4W4OIMathews Continued aae 36 field neighbors markedly-reduced fuel consumption ability turn large props equally attractive risk repeating ourselves 4-40 may look like trainer certainly posesses qualities will attract jaded pilots project has seemed touched some special magic inception comple tion delighted recommend something really ENJOY SWEITZER ENTERPRISES PO BOX 834 HILLSRORO 7123 503 640-5102 FINEST IN SCALE ilK PLANS 2 50 -60 ENG NED O W4GSP DH89A DRAGON jAPIDE PRICE 53950 PPO BOTH PLANS FEATURE COCKPIT & MARKING DETAIL FIDEROLASS COWLS CANOPYS AVAILABLE NOW COMPLETE WINO ShbOWN MATEBIAL LISr PRICE INCLODES MAILING TONE ADO 5400 FOB AIRMAIL FOREIGN OVENSEAS ORDENSADO $1800 g4 SCALE WInBs pa 90 1 20 ENGINE F8-L SUPER ALC0 PRICE $43ea p p December 1984 137