FIVE years ago decided design clean simple profile sport-stunt plane use 35 engine Since have built total six Plutos making minor improvements along way must have something goad basic design stick amount time am habit building plane same design especially original flies no better average Thanksgiving turkey Straight ened out preceding sentence means think Pluto flies fine its 44-inch wing span 420 sq wing area Plutos have built weighed 32 35 ounces have never add weight improve flyability would recommend model anyone has acquired basic building flying skills necessary project recent improvements quality availability foam wings have added second version design include feature Construction General First study plans become familiar design select lightest straightest balsa wood Use aliphatic resin glue general construc tion slow-setting epoxy extra strength required Wing Foam Wing wing used 42 Model Aviation builder hm choice framed wing top foam wing Text gives source prices foam core spar also fully sheeted has made six Plutos over fiveiear period design thoroughly debugged Airplane flown fallow members group Dave Horvath left DaveArnote atSepulveda Basin Onething nice aboutCL models lsthatthey unique actually feel model flying Dave Czechoslovakia 36 hours full-scale gliders Gungho fliers two would say FULL SIZE PLANS AVAILABLE . SEE PAGE 128 WING PLAN RR/ STABILIZER 44477 lihL IELEVATORIC CCC SSMCSCESSSSCJ3CR SSSAJ FIN AURA RCCMCCQAVaEM CSCCJMAUMSAASACCSCAMPCSSAS ARCS SCRUC MAMASSDCCCEANA SSAAVOS CLACKA-AC SCREMA READ DRA -QODSA o DRR II-QQ]RA oaLEC ]SR C C WV TO CONTROA LINE SPORT-SAC*4T WINGSPAN 44 AREA 420 SOIN ENGINE 09-35 WEIGAT 32 02 DESIGNED S DRAWN DY DAVE RORVATH Left foam-wing version before painting right framed version before covering 44-in span wing yields 420 sq area built author weights range 32 35 ounces Dave has found unnecessary ever add weight improve flyability version design obtained J&K Custom Foam Wings 10261 Janice Lynn Cypress CA 90630 prices reasonable workmanship top notch price foam core spar $12 sheeted wing available $32 postpaid Instructions included wings will go assem bly details Built-up-WingFirst cut ribs 3/32 thick balsa sheet cut ribs about 1/16 larger outline given sand shape after entire wing has assembled glued method can get beautifully straight wing spite minor cutting assembly imper fections Cut alsa spars glue together flat surface sure spar straight Next cut mark notch preshaped leading trailing edges Notching important get strongest wing possible Cut slot leading edge epoxy plywood gusset Also attach plywood parts B C D epoxy Slide ribs over spar frame up wing over plans good flat surface First glue ribs leading edge trailing edge After set glue ribs spar ribs can sanded shape after have cut oversize Next attach plywood bellcrank spacers B platform C epoxy Add shape wing tips Add -oz wingtip weight Fuselage Cut fuselage 36 balsa Cut out engine mounting section epoxy Ys X e pieces Next cut out wing slot Make wing cut-out accurately possible Shape nose section fuselage place over 3/32 plywood Mark August 1979 43 cut out nose doublers Cut cockpit section alsa stick Make slots rudder stabilizer Install nose doublers drill holes motor landing gear Stabilizer EIevator Cut stabilizer elevator 3/16 balsa sheet round off leading trailing edges Use hinge slotter make hinge slots Use epoxy attach hinges insert toothpick through hole After epoxy has cured clip toothpick off close surface sand flush Use epoxy fiberglass cloth reinforce both sides control horn area Rudder Cut fin rudder balsa sheet Note grain direction shown plans Set rudder offset shown belicrank simply strongly mounted open wing version crank pivots through slot adjacent rib Note ends ply doublers Structure functional Controls bellcrank used Perfect *223 Cut arms shown Lead-out wire Perfect *225 flexible Terminate wrapping fine wire soldering Make pushrod 1/16 diameter music wire Dont neglect pushrod retainer oontrol horn prefer Clary #6783 Clary no longer manufacturing product hear Fox carries identical part #A6783 Bend pushrod retain bellcrank solder ing brass nuts top bottom Also retain bellcrank soldered nut sure controls move smoothly easily After bellcrank pushrod lead-out wires have installed plank center section wing 1/16 balsa sheet Landing Gean landing gear strut cut 1/16 aluminum stock Bend shape shown Install #4-40 screws locknuts tailwheel strut bent 1/16 diameter music wire Solder reinforcingpiece 1/16 ID brass tube attach assembly fuselage Continued page 116 Details sheetmetal gear engine tank mounting shown clearly Betthat mufflercatches eye homebuilt Dave flies ST Stunt G21 35 9/6-7 prop 2-In spinner 44 Model Aviation 5eIICranK piy mount projects tnrougn siot Ifl ply ruoiiap rlu dllU UU~ inserted through hole insures belicrank unit wont pull loose nhar ply uuuuni uIU WUSU LU PlY lilOUfli 0555U0U5 flOt overriang distortion plc seems indicate Pushrod passes through spar hole Finally -A Definitive Work Electric Propulsion Systems complete resource anyone interested elec tric propulsion Over 100 photos detailed draw ings show models type description can build operate Covers aircraft autos boats solar-powered models Loaded dos donts helpful hints com plete index articles electric propulsion leading US magazines $595 dealer order direct John Pond PO Box 3215 1722 Junction Bldg D San Jose CA 95156 lists no fewer 24 Rearwin Speedster plans two-dollar bill John will bring 27in span 20F-1 plan Stahl machine Thanks cards letters photos encouragement Editors Note What Bill says about Speedster understated superb subject good lookz magnificent stabil ity aforce diagram isjustperfect ofponds 24 plans mentioned Bill Ed Naudzius Rearwin Speedster buy eitherthe 1940 1941 Nats remarkable flier stopped Nats glide passed over entire line ofgas pitsa memorable picture can get excellent kit Stahl Rearwin Flyline $895 Weve seen fly Shangri La Warner 423-C San Vicente Blvd Santa Monica CA 90402 Pluto/H orvath continued page 44 epoxy Fuel Tank fuel tank used Perfect #11 cut re-soldered size wanted have since found out Fox #86820 will fit modifi cation usual rubberband instal lation OK prefer attach fuel tanks ASTRO FI1IGHT InC PIONEERS IN SILENT FLIGHT 13377 Beach Aye Venice CA 90291 slow-setting Scotch epoxy first sand ing side tank #150 paper obtain better bond Final Assembly Epoxy stabilizer fuselage shown Glue top part fuselage place attach rudder Epoxy wing place Finishing types methods finish ing can used would take up space want devote subject Ill just briefly describe technique used After sanding entire plane #320 paper brushed three coats filler 2 parts talcum powder 3 parts nitrate dope sanding between coats #400 paper After applied coat clear nitrate sanded #600 paper sprayed coat K&B epoxy primer sanding #600 sprayed coat K&B epoxy paint application trim decals final coat K&B clear allowed plenty time after coat paint drying MonoKote applied built-up wing design Engines Any good 35 engine will put out enough power maneuvers want sure check balance plane engine attached use Super Tigre engines either 35 stunt G21-35 witha9 X6 panda2m spinner also run homebuilt silencer flying field has tall grass generally remove landing gear good engine planes light weight no problem handlaunching plane also glides well after fuel runs out Pluto has flown friend slow combat seems design versatile enough use almost conditions am sure whoever builds Pluto will disap pointed its performance Finally would like give credit some people have helped project Charlie Sabbagh film processing Dave Amote help shop field Don Noon help writing article writing advertisers mention read about MA CL Scale/Gretz continued page 45 good scale model can made look bad wouldnt go far say exceptional workmanship areas can make out-of-scale poorly constructed model score good static points doing good job can make nice scale model look exceptional Its part artistry creating believable Scale Illusion Like diamonds ring chrome car few prominent details well done can make Sport Scale model sparkle True Grit youve ever glued piece wet-or-dry sandpaper model attempt simulate subject aircrafts wing walks undoubtably know results always satisfactory years have using technique comes close possible think authentically reproduce wing walks involves mixing sand-like grit bonding agent actually painting wing walk surface wing same way usually done full size aircraft sand-like grit abrasive polishing grain similar actually used make sandpaper polish metal sandblast build ings probably brands types different grades composi tion what have always used No 100 grit Aluminum Oxide something basically similar equally suitable can obtained local metal mineral supply outlet will also able get near future Sig Manufacturing Co best type bonding agent use whatever kind paint finishing model painted dope mix sanding grit black dope same brand prefer epoxy enamel finish use black type paint first step applying wing walks mask off area done according scale documentation Take little extra time make sure youre getting accurate possible As final scale details often wont have exact measurements go will have 116 Model Aviation 1930 STINSON TRIMOTOR MODEL T R/C KIT Sport orC Wing Span 80 Wing Area sq Stand Off Scale Weight bs safe way Radio 4 5 ch fly multi ne 1 35 AC 2 15 6 Preformed aluininuni struts cowls Wood construction e Full size plans Sold Direct INTRODUCTORY InformatIon Send SASE toPRICE $12995 MOHAVE INDUSTRIES INC 2365 Northern Ave nan AZ 86401 e 602 757-2480 Three-foot span Almost Scale Blerlot Sherman GIllisple Its 1917 Ideal model made spruce bass balsa must have left out nails because weight 275 OZ less origInal 825 figure 1917 kit-buIlt model
Edition: Model Aviation - 1979/08
Page Numbers: 42, 43, 44, 116
FIVE years ago decided design clean simple profile sport-stunt plane use 35 engine Since have built total six Plutos making minor improvements along way must have something goad basic design stick amount time am habit building plane same design especially original flies no better average Thanksgiving turkey Straight ened out preceding sentence means think Pluto flies fine its 44-inch wing span 420 sq wing area Plutos have built weighed 32 35 ounces have never add weight improve flyability would recommend model anyone has acquired basic building flying skills necessary project recent improvements quality availability foam wings have added second version design include feature Construction General First study plans become familiar design select lightest straightest balsa wood Use aliphatic resin glue general construc tion slow-setting epoxy extra strength required Wing Foam Wing wing used 42 Model Aviation builder hm choice framed wing top foam wing Text gives source prices foam core spar also fully sheeted has made six Plutos over fiveiear period design thoroughly debugged Airplane flown fallow members group Dave Horvath left DaveArnote atSepulveda Basin Onething nice aboutCL models lsthatthey unique actually feel model flying Dave Czechoslovakia 36 hours full-scale gliders Gungho fliers two would say FULL SIZE PLANS AVAILABLE . SEE PAGE 128 WING PLAN RR/ STABILIZER 44477 lihL IELEVATORIC CCC SSMCSCESSSSCJ3CR SSSAJ FIN AURA RCCMCCQAVaEM CSCCJMAUMSAASACCSCAMPCSSAS ARCS SCRUC MAMASSDCCCEANA SSAAVOS CLACKA-AC SCREMA READ DRA -QODSA o DRR II-QQ]RA oaLEC ]SR C C WV TO CONTROA LINE SPORT-SAC*4T WINGSPAN 44 AREA 420 SOIN ENGINE 09-35 WEIGAT 32 02 DESIGNED S DRAWN DY DAVE RORVATH Left foam-wing version before painting right framed version before covering 44-in span wing yields 420 sq area built author weights range 32 35 ounces Dave has found unnecessary ever add weight improve flyability version design obtained J&K Custom Foam Wings 10261 Janice Lynn Cypress CA 90630 prices reasonable workmanship top notch price foam core spar $12 sheeted wing available $32 postpaid Instructions included wings will go assem bly details Built-up-WingFirst cut ribs 3/32 thick balsa sheet cut ribs about 1/16 larger outline given sand shape after entire wing has assembled glued method can get beautifully straight wing spite minor cutting assembly imper fections Cut alsa spars glue together flat surface sure spar straight Next cut mark notch preshaped leading trailing edges Notching important get strongest wing possible Cut slot leading edge epoxy plywood gusset Also attach plywood parts B C D epoxy Slide ribs over spar frame up wing over plans good flat surface First glue ribs leading edge trailing edge After set glue ribs spar ribs can sanded shape after have cut oversize Next attach plywood bellcrank spacers B platform C epoxy Add shape wing tips Add -oz wingtip weight Fuselage Cut fuselage 36 balsa Cut out engine mounting section epoxy Ys X e pieces Next cut out wing slot Make wing cut-out accurately possible Shape nose section fuselage place over 3/32 plywood Mark August 1979 43 cut out nose doublers Cut cockpit section alsa stick Make slots rudder stabilizer Install nose doublers drill holes motor landing gear Stabilizer EIevator Cut stabilizer elevator 3/16 balsa sheet round off leading trailing edges Use hinge slotter make hinge slots Use epoxy attach hinges insert toothpick through hole After epoxy has cured clip toothpick off close surface sand flush Use epoxy fiberglass cloth reinforce both sides control horn area Rudder Cut fin rudder balsa sheet Note grain direction shown plans Set rudder offset shown belicrank simply strongly mounted open wing version crank pivots through slot adjacent rib Note ends ply doublers Structure functional Controls bellcrank used Perfect *223 Cut arms shown Lead-out wire Perfect *225 flexible Terminate wrapping fine wire soldering Make pushrod 1/16 diameter music wire Dont neglect pushrod retainer oontrol horn prefer Clary #6783 Clary no longer manufacturing product hear Fox carries identical part #A6783 Bend pushrod retain bellcrank solder ing brass nuts top bottom Also retain bellcrank soldered nut sure controls move smoothly easily After bellcrank pushrod lead-out wires have installed plank center section wing 1/16 balsa sheet Landing Gean landing gear strut cut 1/16 aluminum stock Bend shape shown Install #4-40 screws locknuts tailwheel strut bent 1/16 diameter music wire Solder reinforcingpiece 1/16 ID brass tube attach assembly fuselage Continued page 116 Details sheetmetal gear engine tank mounting shown clearly Betthat mufflercatches eye homebuilt Dave flies ST Stunt G21 35 9/6-7 prop 2-In spinner 44 Model Aviation 5eIICranK piy mount projects tnrougn siot Ifl ply ruoiiap rlu dllU UU~ inserted through hole insures belicrank unit wont pull loose nhar ply uuuuni uIU WUSU LU PlY lilOUfli 0555U0U5 flOt overriang distortion plc seems indicate Pushrod passes through spar hole Finally -A Definitive Work Electric Propulsion Systems complete resource anyone interested elec tric propulsion Over 100 photos detailed draw ings show models type description can build operate Covers aircraft autos boats solar-powered models Loaded dos donts helpful hints com plete index articles electric propulsion leading US magazines $595 dealer order direct John Pond PO Box 3215 1722 Junction Bldg D San Jose CA 95156 lists no fewer 24 Rearwin Speedster plans two-dollar bill John will bring 27in span 20F-1 plan Stahl machine Thanks cards letters photos encouragement Editors Note What Bill says about Speedster understated superb subject good lookz magnificent stabil ity aforce diagram isjustperfect ofponds 24 plans mentioned Bill Ed Naudzius Rearwin Speedster buy eitherthe 1940 1941 Nats remarkable flier stopped Nats glide passed over entire line ofgas pitsa memorable picture can get excellent kit Stahl Rearwin Flyline $895 Weve seen fly Shangri La Warner 423-C San Vicente Blvd Santa Monica CA 90402 Pluto/H orvath continued page 44 epoxy Fuel Tank fuel tank used Perfect #11 cut re-soldered size wanted have since found out Fox #86820 will fit modifi cation usual rubberband instal lation OK prefer attach fuel tanks ASTRO FI1IGHT InC PIONEERS IN SILENT FLIGHT 13377 Beach Aye Venice CA 90291 slow-setting Scotch epoxy first sand ing side tank #150 paper obtain better bond Final Assembly Epoxy stabilizer fuselage shown Glue top part fuselage place attach rudder Epoxy wing place Finishing types methods finish ing can used would take up space want devote subject Ill just briefly describe technique used After sanding entire plane #320 paper brushed three coats filler 2 parts talcum powder 3 parts nitrate dope sanding between coats #400 paper After applied coat clear nitrate sanded #600 paper sprayed coat K&B epoxy primer sanding #600 sprayed coat K&B epoxy paint application trim decals final coat K&B clear allowed plenty time after coat paint drying MonoKote applied built-up wing design Engines Any good 35 engine will put out enough power maneuvers want sure check balance plane engine attached use Super Tigre engines either 35 stunt G21-35 witha9 X6 panda2m spinner also run homebuilt silencer flying field has tall grass generally remove landing gear good engine planes light weight no problem handlaunching plane also glides well after fuel runs out Pluto has flown friend slow combat seems design versatile enough use almost conditions am sure whoever builds Pluto will disap pointed its performance Finally would like give credit some people have helped project Charlie Sabbagh film processing Dave Amote help shop field Don Noon help writing article writing advertisers mention read about MA CL Scale/Gretz continued page 45 good scale model can made look bad wouldnt go far say exceptional workmanship areas can make out-of-scale poorly constructed model score good static points doing good job can make nice scale model look exceptional Its part artistry creating believable Scale Illusion Like diamonds ring chrome car few prominent details well done can make Sport Scale model sparkle True Grit youve ever glued piece wet-or-dry sandpaper model attempt simulate subject aircrafts wing walks undoubtably know results always satisfactory years have using technique comes close possible think authentically reproduce wing walks involves mixing sand-like grit bonding agent actually painting wing walk surface wing same way usually done full size aircraft sand-like grit abrasive polishing grain similar actually used make sandpaper polish metal sandblast build ings probably brands types different grades composi tion what have always used No 100 grit Aluminum Oxide something basically similar equally suitable can obtained local metal mineral supply outlet will also able get near future Sig Manufacturing Co best type bonding agent use whatever kind paint finishing model painted dope mix sanding grit black dope same brand prefer epoxy enamel finish use black type paint first step applying wing walks mask off area done according scale documentation Take little extra time make sure youre getting accurate possible As final scale details often wont have exact measurements go will have 116 Model Aviation 1930 STINSON TRIMOTOR MODEL T R/C KIT Sport orC Wing Span 80 Wing Area sq Stand Off Scale Weight bs safe way Radio 4 5 ch fly multi ne 1 35 AC 2 15 6 Preformed aluininuni struts cowls Wood construction e Full size plans Sold Direct INTRODUCTORY InformatIon Send SASE toPRICE $12995 MOHAVE INDUSTRIES INC 2365 Northern Ave nan AZ 86401 e 602 757-2480 Three-foot span Almost Scale Blerlot Sherman GIllisple Its 1917 Ideal model made spruce bass balsa must have left out nails because weight 275 OZ less origInal 825 figure 1917 kit-buIlt model
Edition: Model Aviation - 1979/08
Page Numbers: 42, 43, 44, 116
FIVE years ago decided design clean simple profile sport-stunt plane use 35 engine Since have built total six Plutos making minor improvements along way must have something goad basic design stick amount time am habit building plane same design especially original flies no better average Thanksgiving turkey Straight ened out preceding sentence means think Pluto flies fine its 44-inch wing span 420 sq wing area Plutos have built weighed 32 35 ounces have never add weight improve flyability would recommend model anyone has acquired basic building flying skills necessary project recent improvements quality availability foam wings have added second version design include feature Construction General First study plans become familiar design select lightest straightest balsa wood Use aliphatic resin glue general construc tion slow-setting epoxy extra strength required Wing Foam Wing wing used 42 Model Aviation builder hm choice framed wing top foam wing Text gives source prices foam core spar also fully sheeted has made six Plutos over fiveiear period design thoroughly debugged Airplane flown fallow members group Dave Horvath left DaveArnote atSepulveda Basin Onething nice aboutCL models lsthatthey unique actually feel model flying Dave Czechoslovakia 36 hours full-scale gliders Gungho fliers two would say FULL SIZE PLANS AVAILABLE . SEE PAGE 128 WING PLAN RR/ STABILIZER 44477 lihL IELEVATORIC CCC SSMCSCESSSSCJ3CR SSSAJ FIN AURA RCCMCCQAVaEM CSCCJMAUMSAASACCSCAMPCSSAS ARCS SCRUC MAMASSDCCCEANA SSAAVOS CLACKA-AC SCREMA READ DRA -QODSA o DRR II-QQ]RA oaLEC ]SR C C WV TO CONTROA LINE SPORT-SAC*4T WINGSPAN 44 AREA 420 SOIN ENGINE 09-35 WEIGAT 32 02 DESIGNED S DRAWN DY DAVE RORVATH Left foam-wing version before painting right framed version before covering 44-in span wing yields 420 sq area built author weights range 32 35 ounces Dave has found unnecessary ever add weight improve flyability version design obtained J&K Custom Foam Wings 10261 Janice Lynn Cypress CA 90630 prices reasonable workmanship top notch price foam core spar $12 sheeted wing available $32 postpaid Instructions included wings will go assem bly details Built-up-WingFirst cut ribs 3/32 thick balsa sheet cut ribs about 1/16 larger outline given sand shape after entire wing has assembled glued method can get beautifully straight wing spite minor cutting assembly imper fections Cut alsa spars glue together flat surface sure spar straight Next cut mark notch preshaped leading trailing edges Notching important get strongest wing possible Cut slot leading edge epoxy plywood gusset Also attach plywood parts B C D epoxy Slide ribs over spar frame up wing over plans good flat surface First glue ribs leading edge trailing edge After set glue ribs spar ribs can sanded shape after have cut oversize Next attach plywood bellcrank spacers B platform C epoxy Add shape wing tips Add -oz wingtip weight Fuselage Cut fuselage 36 balsa Cut out engine mounting section epoxy Ys X e pieces Next cut out wing slot Make wing cut-out accurately possible Shape nose section fuselage place over 3/32 plywood Mark August 1979 43 cut out nose doublers Cut cockpit section alsa stick Make slots rudder stabilizer Install nose doublers drill holes motor landing gear Stabilizer EIevator Cut stabilizer elevator 3/16 balsa sheet round off leading trailing edges Use hinge slotter make hinge slots Use epoxy attach hinges insert toothpick through hole After epoxy has cured clip toothpick off close surface sand flush Use epoxy fiberglass cloth reinforce both sides control horn area Rudder Cut fin rudder balsa sheet Note grain direction shown plans Set rudder offset shown belicrank simply strongly mounted open wing version crank pivots through slot adjacent rib Note ends ply doublers Structure functional Controls bellcrank used Perfect *223 Cut arms shown Lead-out wire Perfect *225 flexible Terminate wrapping fine wire soldering Make pushrod 1/16 diameter music wire Dont neglect pushrod retainer oontrol horn prefer Clary #6783 Clary no longer manufacturing product hear Fox carries identical part #A6783 Bend pushrod retain bellcrank solder ing brass nuts top bottom Also retain bellcrank soldered nut sure controls move smoothly easily After bellcrank pushrod lead-out wires have installed plank center section wing 1/16 balsa sheet Landing Gean landing gear strut cut 1/16 aluminum stock Bend shape shown Install #4-40 screws locknuts tailwheel strut bent 1/16 diameter music wire Solder reinforcingpiece 1/16 ID brass tube attach assembly fuselage Continued page 116 Details sheetmetal gear engine tank mounting shown clearly Betthat mufflercatches eye homebuilt Dave flies ST Stunt G21 35 9/6-7 prop 2-In spinner 44 Model Aviation 5eIICranK piy mount projects tnrougn siot Ifl ply ruoiiap rlu dllU UU~ inserted through hole insures belicrank unit wont pull loose nhar ply uuuuni uIU WUSU LU PlY lilOUfli 0555U0U5 flOt overriang distortion plc seems indicate Pushrod passes through spar hole Finally -A Definitive Work Electric Propulsion Systems complete resource anyone interested elec tric propulsion Over 100 photos detailed draw ings show models type description can build operate Covers aircraft autos boats solar-powered models Loaded dos donts helpful hints com plete index articles electric propulsion leading US magazines $595 dealer order direct John Pond PO Box 3215 1722 Junction Bldg D San Jose CA 95156 lists no fewer 24 Rearwin Speedster plans two-dollar bill John will bring 27in span 20F-1 plan Stahl machine Thanks cards letters photos encouragement Editors Note What Bill says about Speedster understated superb subject good lookz magnificent stabil ity aforce diagram isjustperfect ofponds 24 plans mentioned Bill Ed Naudzius Rearwin Speedster buy eitherthe 1940 1941 Nats remarkable flier stopped Nats glide passed over entire line ofgas pitsa memorable picture can get excellent kit Stahl Rearwin Flyline $895 Weve seen fly Shangri La Warner 423-C San Vicente Blvd Santa Monica CA 90402 Pluto/H orvath continued page 44 epoxy Fuel Tank fuel tank used Perfect #11 cut re-soldered size wanted have since found out Fox #86820 will fit modifi cation usual rubberband instal lation OK prefer attach fuel tanks ASTRO FI1IGHT InC PIONEERS IN SILENT FLIGHT 13377 Beach Aye Venice CA 90291 slow-setting Scotch epoxy first sand ing side tank #150 paper obtain better bond Final Assembly Epoxy stabilizer fuselage shown Glue top part fuselage place attach rudder Epoxy wing place Finishing types methods finish ing can used would take up space want devote subject Ill just briefly describe technique used After sanding entire plane #320 paper brushed three coats filler 2 parts talcum powder 3 parts nitrate dope sanding between coats #400 paper After applied coat clear nitrate sanded #600 paper sprayed coat K&B epoxy primer sanding #600 sprayed coat K&B epoxy paint application trim decals final coat K&B clear allowed plenty time after coat paint drying MonoKote applied built-up wing design Engines Any good 35 engine will put out enough power maneuvers want sure check balance plane engine attached use Super Tigre engines either 35 stunt G21-35 witha9 X6 panda2m spinner also run homebuilt silencer flying field has tall grass generally remove landing gear good engine planes light weight no problem handlaunching plane also glides well after fuel runs out Pluto has flown friend slow combat seems design versatile enough use almost conditions am sure whoever builds Pluto will disap pointed its performance Finally would like give credit some people have helped project Charlie Sabbagh film processing Dave Amote help shop field Don Noon help writing article writing advertisers mention read about MA CL Scale/Gretz continued page 45 good scale model can made look bad wouldnt go far say exceptional workmanship areas can make out-of-scale poorly constructed model score good static points doing good job can make nice scale model look exceptional Its part artistry creating believable Scale Illusion Like diamonds ring chrome car few prominent details well done can make Sport Scale model sparkle True Grit youve ever glued piece wet-or-dry sandpaper model attempt simulate subject aircrafts wing walks undoubtably know results always satisfactory years have using technique comes close possible think authentically reproduce wing walks involves mixing sand-like grit bonding agent actually painting wing walk surface wing same way usually done full size aircraft sand-like grit abrasive polishing grain similar actually used make sandpaper polish metal sandblast build ings probably brands types different grades composi tion what have always used No 100 grit Aluminum Oxide something basically similar equally suitable can obtained local metal mineral supply outlet will also able get near future Sig Manufacturing Co best type bonding agent use whatever kind paint finishing model painted dope mix sanding grit black dope same brand prefer epoxy enamel finish use black type paint first step applying wing walks mask off area done according scale documentation Take little extra time make sure youre getting accurate possible As final scale details often wont have exact measurements go will have 116 Model Aviation 1930 STINSON TRIMOTOR MODEL T R/C KIT Sport orC Wing Span 80 Wing Area sq Stand Off Scale Weight bs safe way Radio 4 5 ch fly multi ne 1 35 AC 2 15 6 Preformed aluininuni struts cowls Wood construction e Full size plans Sold Direct INTRODUCTORY InformatIon Send SASE toPRICE $12995 MOHAVE INDUSTRIES INC 2365 Northern Ave nan AZ 86401 e 602 757-2480 Three-foot span Almost Scale Blerlot Sherman GIllisple Its 1917 Ideal model made spruce bass balsa must have left out nails because weight 275 OZ less origInal 825 figure 1917 kit-buIlt model
Edition: Model Aviation - 1979/08
Page Numbers: 42, 43, 44, 116
FIVE years ago decided design clean simple profile sport-stunt plane use 35 engine Since have built total six Plutos making minor improvements along way must have something goad basic design stick amount time am habit building plane same design especially original flies no better average Thanksgiving turkey Straight ened out preceding sentence means think Pluto flies fine its 44-inch wing span 420 sq wing area Plutos have built weighed 32 35 ounces have never add weight improve flyability would recommend model anyone has acquired basic building flying skills necessary project recent improvements quality availability foam wings have added second version design include feature Construction General First study plans become familiar design select lightest straightest balsa wood Use aliphatic resin glue general construc tion slow-setting epoxy extra strength required Wing Foam Wing wing used 42 Model Aviation builder hm choice framed wing top foam wing Text gives source prices foam core spar also fully sheeted has made six Plutos over fiveiear period design thoroughly debugged Airplane flown fallow members group Dave Horvath left DaveArnote atSepulveda Basin Onething nice aboutCL models lsthatthey unique actually feel model flying Dave Czechoslovakia 36 hours full-scale gliders Gungho fliers two would say FULL SIZE PLANS AVAILABLE . SEE PAGE 128 WING PLAN RR/ STABILIZER 44477 lihL IELEVATORIC CCC SSMCSCESSSSCJ3CR SSSAJ FIN AURA RCCMCCQAVaEM CSCCJMAUMSAASACCSCAMPCSSAS ARCS SCRUC MAMASSDCCCEANA SSAAVOS CLACKA-AC SCREMA READ DRA -QODSA o DRR II-QQ]RA oaLEC ]SR C C WV TO CONTROA LINE SPORT-SAC*4T WINGSPAN 44 AREA 420 SOIN ENGINE 09-35 WEIGAT 32 02 DESIGNED S DRAWN DY DAVE RORVATH Left foam-wing version before painting right framed version before covering 44-in span wing yields 420 sq area built author weights range 32 35 ounces Dave has found unnecessary ever add weight improve flyability version design obtained J&K Custom Foam Wings 10261 Janice Lynn Cypress CA 90630 prices reasonable workmanship top notch price foam core spar $12 sheeted wing available $32 postpaid Instructions included wings will go assem bly details Built-up-WingFirst cut ribs 3/32 thick balsa sheet cut ribs about 1/16 larger outline given sand shape after entire wing has assembled glued method can get beautifully straight wing spite minor cutting assembly imper fections Cut alsa spars glue together flat surface sure spar straight Next cut mark notch preshaped leading trailing edges Notching important get strongest wing possible Cut slot leading edge epoxy plywood gusset Also attach plywood parts B C D epoxy Slide ribs over spar frame up wing over plans good flat surface First glue ribs leading edge trailing edge After set glue ribs spar ribs can sanded shape after have cut oversize Next attach plywood bellcrank spacers B platform C epoxy Add shape wing tips Add -oz wingtip weight Fuselage Cut fuselage 36 balsa Cut out engine mounting section epoxy Ys X e pieces Next cut out wing slot Make wing cut-out accurately possible Shape nose section fuselage place over 3/32 plywood Mark August 1979 43 cut out nose doublers Cut cockpit section alsa stick Make slots rudder stabilizer Install nose doublers drill holes motor landing gear Stabilizer EIevator Cut stabilizer elevator 3/16 balsa sheet round off leading trailing edges Use hinge slotter make hinge slots Use epoxy attach hinges insert toothpick through hole After epoxy has cured clip toothpick off close surface sand flush Use epoxy fiberglass cloth reinforce both sides control horn area Rudder Cut fin rudder balsa sheet Note grain direction shown plans Set rudder offset shown belicrank simply strongly mounted open wing version crank pivots through slot adjacent rib Note ends ply doublers Structure functional Controls bellcrank used Perfect *223 Cut arms shown Lead-out wire Perfect *225 flexible Terminate wrapping fine wire soldering Make pushrod 1/16 diameter music wire Dont neglect pushrod retainer oontrol horn prefer Clary #6783 Clary no longer manufacturing product hear Fox carries identical part #A6783 Bend pushrod retain bellcrank solder ing brass nuts top bottom Also retain bellcrank soldered nut sure controls move smoothly easily After bellcrank pushrod lead-out wires have installed plank center section wing 1/16 balsa sheet Landing Gean landing gear strut cut 1/16 aluminum stock Bend shape shown Install #4-40 screws locknuts tailwheel strut bent 1/16 diameter music wire Solder reinforcingpiece 1/16 ID brass tube attach assembly fuselage Continued page 116 Details sheetmetal gear engine tank mounting shown clearly Betthat mufflercatches eye homebuilt Dave flies ST Stunt G21 35 9/6-7 prop 2-In spinner 44 Model Aviation 5eIICranK piy mount projects tnrougn siot Ifl ply ruoiiap rlu dllU UU~ inserted through hole insures belicrank unit wont pull loose nhar ply uuuuni uIU WUSU LU PlY lilOUfli 0555U0U5 flOt overriang distortion plc seems indicate Pushrod passes through spar hole Finally -A Definitive Work Electric Propulsion Systems complete resource anyone interested elec tric propulsion Over 100 photos detailed draw ings show models type description can build operate Covers aircraft autos boats solar-powered models Loaded dos donts helpful hints com plete index articles electric propulsion leading US magazines $595 dealer order direct John Pond PO Box 3215 1722 Junction Bldg D San Jose CA 95156 lists no fewer 24 Rearwin Speedster plans two-dollar bill John will bring 27in span 20F-1 plan Stahl machine Thanks cards letters photos encouragement Editors Note What Bill says about Speedster understated superb subject good lookz magnificent stabil ity aforce diagram isjustperfect ofponds 24 plans mentioned Bill Ed Naudzius Rearwin Speedster buy eitherthe 1940 1941 Nats remarkable flier stopped Nats glide passed over entire line ofgas pitsa memorable picture can get excellent kit Stahl Rearwin Flyline $895 Weve seen fly Shangri La Warner 423-C San Vicente Blvd Santa Monica CA 90402 Pluto/H orvath continued page 44 epoxy Fuel Tank fuel tank used Perfect #11 cut re-soldered size wanted have since found out Fox #86820 will fit modifi cation usual rubberband instal lation OK prefer attach fuel tanks ASTRO FI1IGHT InC PIONEERS IN SILENT FLIGHT 13377 Beach Aye Venice CA 90291 slow-setting Scotch epoxy first sand ing side tank #150 paper obtain better bond Final Assembly Epoxy stabilizer fuselage shown Glue top part fuselage place attach rudder Epoxy wing place Finishing types methods finish ing can used would take up space want devote subject Ill just briefly describe technique used After sanding entire plane #320 paper brushed three coats filler 2 parts talcum powder 3 parts nitrate dope sanding between coats #400 paper After applied coat clear nitrate sanded #600 paper sprayed coat K&B epoxy primer sanding #600 sprayed coat K&B epoxy paint application trim decals final coat K&B clear allowed plenty time after coat paint drying MonoKote applied built-up wing design Engines Any good 35 engine will put out enough power maneuvers want sure check balance plane engine attached use Super Tigre engines either 35 stunt G21-35 witha9 X6 panda2m spinner also run homebuilt silencer flying field has tall grass generally remove landing gear good engine planes light weight no problem handlaunching plane also glides well after fuel runs out Pluto has flown friend slow combat seems design versatile enough use almost conditions am sure whoever builds Pluto will disap pointed its performance Finally would like give credit some people have helped project Charlie Sabbagh film processing Dave Amote help shop field Don Noon help writing article writing advertisers mention read about MA CL Scale/Gretz continued page 45 good scale model can made look bad wouldnt go far say exceptional workmanship areas can make out-of-scale poorly constructed model score good static points doing good job can make nice scale model look exceptional Its part artistry creating believable Scale Illusion Like diamonds ring chrome car few prominent details well done can make Sport Scale model sparkle True Grit youve ever glued piece wet-or-dry sandpaper model attempt simulate subject aircrafts wing walks undoubtably know results always satisfactory years have using technique comes close possible think authentically reproduce wing walks involves mixing sand-like grit bonding agent actually painting wing walk surface wing same way usually done full size aircraft sand-like grit abrasive polishing grain similar actually used make sandpaper polish metal sandblast build ings probably brands types different grades composi tion what have always used No 100 grit Aluminum Oxide something basically similar equally suitable can obtained local metal mineral supply outlet will also able get near future Sig Manufacturing Co best type bonding agent use whatever kind paint finishing model painted dope mix sanding grit black dope same brand prefer epoxy enamel finish use black type paint first step applying wing walks mask off area done according scale documentation Take little extra time make sure youre getting accurate possible As final scale details often wont have exact measurements go will have 116 Model Aviation 1930 STINSON TRIMOTOR MODEL T R/C KIT Sport orC Wing Span 80 Wing Area sq Stand Off Scale Weight bs safe way Radio 4 5 ch fly multi ne 1 35 AC 2 15 6 Preformed aluininuni struts cowls Wood construction e Full size plans Sold Direct INTRODUCTORY InformatIon Send SASE toPRICE $12995 MOHAVE INDUSTRIES INC 2365 Northern Ave nan AZ 86401 e 602 757-2480 Three-foot span Almost Scale Blerlot Sherman GIllisple Its 1917 Ideal model made spruce bass balsa must have left out nails because weight 275 OZ less origInal 825 figure 1917 kit-buIlt model