IF YOU WOULD LIKE model simple build call plane Square Onewith emphasis Square youd like model can show basics high-performance Power models call starting Square Gas-powered glow plug diesel-powered Free Flight models can real handful modeler just start ing out days doesnt seem obvious transitional step powered sport model can try before moving full-bore Power model Square can fill need because looks acts lot like glow-powered model does its stuff quieter much relaxed pace Theres no need engine timer because CO-2 motors tank provides limited volume propellant gas carried Square does have fairly light wing loading produces good glide though should have dethermalizer help keep close Most CO-2 models seem Scale ones cant expected really good per formers Square fills need too quickly-built model can fly quite well Compared its brethren doesnt have carry along weight-pro ducing Scale detail like think Square model-of-a-model its loosely based larger Power models ones lot easier build fly Lets start wing stabilizer Well need have completed cov ered before can finish fuselage Make cardboard thin plywood template ribs leaving out spar notches Use templates guide cut out ribs Pin ribs together stack sand stacked ribs uniformly-smooth shape Mark locations spar cut slots stack thin file hack saw blade Lay out leading edges LE trail ing edges TE fit ribs place Trim ribs TE necessary proper fit Leave out three ribs fit wing must cut apart sepa rate panels glue dry use razor saw sharp X-Acto knife cut LE TE shown Remove tip panels work surface will rejoined main wing panels angle mat ing edges TE LE must sanded good mitered joint SQUARE LULU o 0 C,C SQUARE thought high-powered high-speed Power Free Flight has kept out facet modeling small model based CO-2 motor may let taste apples having buy orchard EAA Lidberg Block up tip panels glue Put main panel/tip panel joint ribs dry remove half wing board can sanded fit glued back proper angle wing still pinned board upper spars can glued place careful bend warp wing panels dry remove wing structure board add lower spar center gussets soft sheet tips Build stabilizer similar manner Using sanding block sand wing stabilizer LEs TEs tips shape clear dope thinned white glue adhesive cover wing stabilizer lightweight brightly-colored tissue Lightly spray tissue water covering will shrink dries apply very thin coat clear dope like Square emblem shown wing plan can cut dark tissue used decoration An easy way to make Xerox copy part plan tape copy over piece tissue cut through copy tissue sharp X-Acto blade guided straightedge Tissue decorations can adhered nicely dope thinner applied tissue brush coat thin dope Sig Lite-Coat would best second coat minimize warping should applied wing tail Begin fuselage tracing cutting out top two sides three formers motor mount Bend wire landing skid sew rear face motor mount thread glue Pin fuse lage top down plan glue mount formers followed sides dry remove board add motor mount scrap braces bot tom Make up wing mount cutting out pylon wing platform Add A6 sq strips both sides pylons top 68 Model Aviation Top Left simple trim scheme provided plans helps make attractive first powered Free Flight project Top Right Chris Lidberg age 11 launches C02powered model another flight Above Three-year-old Annemarie poses au thors prototype version Square edge join pylon platform Cut out add upper lower fin pieces stabilizer platform stabilizer block Take look various parts de thermalizer DT plan thread holds down stab TE until fuse burns through small #8 rubberband can buy quarter pound office supply store about $2thats about 2000 bands longtime supply active flier may also able scrounge few rubberbands size dentist similar used braces 2000 box supply wont last very long have pigtail-wearing young girl house Anyhow small rubberband connects hooks labeled H Another rubberband holds front stabilizer down also causes angle up far thread will allow short piece tubing side fuselage just behind pylon serves stop limit angle 35 450 tail pops up tail pops plane makes quick stall comes down much like parachute DT can help keep model within confines small field addi tion keeping model flying away thermal DT isnt foolproof sometimes will encounter big daddy thermals sure have name ad dress phone number model Back building Make up hooks tubing Add fuselage stab large tube fuse snuffer required planes flown competi tion good idea anyhow wont set fire flying field smold ering fuse should fall model Assemble stab fuselage mount motor tiny wood screws Ar range tank being very careful copper tubing will alongside fuselage about location shown tach wing pylon rubberband fit pylon fuselage slot Move pylon backward forward necessary plane will balance right over middle pylons tank slot balances mark pylon location tank opening Remove pylon cut circular open ing fuselage top tank using Telco Turbo motor same procedure applies theres no need tank openings pylon fuselage top pylon will end up much closer motor mount however some lower front edge pylon may have trimmed clear built-in tank Glue pylon place making sure wing platform parallel fuselage top What youve accomplished achievement proper balance out need additional ballast all-up model weight has thus mini mized models performance will optimized Apply couple coats thin dope fuselage youre just about finished Bend copper tube allow tank fit December 1987 69 Looking bones its easy see model earned square part Its name Remember square/straight part important model released fly itself Ribs cut using cardboard thin plywood templates stacked together sanding spar notching Mark spar locations cut out thin flat file razor saw Build wing piece first pinning down lower spar adding ribs Con struction stab done same manner Make sure ribs properly aligned Full-Size Plans Available Page 178 18 Sq Gussets 1/16 SqlSpoos 1/16 Sq N V -56.4 /8 SlIt Ips 31 l/l6 51/4/6SntBent /n. cI/l6 Sq 94/ Gneool Gelou Scoe i 1/25/8SP00 Sot t 1/16 Gtt rIps I16 Snt 680 Stobuoe GE 1/16 0 I/B ONE COO Foss F qft tM Geco seE nose /161/16 Snt 800 Bososo 2 Wnq PlOtt [1 /32 / 1/6L1/16 SqOSosembe Modol Moos Pt 5011 1/16 Sq0l/16Snt \Poon1/16 Sf0 F ns kSetsH5OotTSeoO tOns1/8 Sf0 Sf006000 oopBosonq 032 00 s Seus 6 Glue IITeloo ["if] j]2 Slut SloesSlIodedl/16Arum Tube Goudes 5L2:iL~i 2345 1/16 PIt cavity glue tank braces Arrange CO-2 charge fitting face ward alongside pylon can support fitting two fingers charging Its almost time test gliding before th5e check wing stab warps looking panel front rear side panel should absolutely flat Use steam very care fully heat electric range burner straighten out warpsby twisting op posite warp heating Cool off panel recheck everything straight lets go flying Try some test glides Square seems glide too fast add piece A2 sheet scrap under stab TE will addition 4-in block already stalls trim away about /32 block Two three such adding trimming away steps may required Bend aft portion fin needed produce left glide turn about 75 ft diameter Set Telco throttle 40- 50-second run Give tank gas charge ie charger pointing up try powered flight indicated gas charge throttle setting motor will run fairly slowmaybe fast enough climb thats OK Watch tight-turning tendencies pylon design causes model fly right under power cabin mod els generally turn left Thats no problem unless turn very tightsay less 25 ft diameter right turn can opened up putting some left thrust shim behind right side motor points slightly left model seems bank too far right right wing can lifted some washin Warp right wing LE 1/16 / higher TE tip panel joins main panel After plane gets bit altitude under power will able learn about glide Additional adjustments may re quired produce nice slow glide Experiment throttle setting will help find best compromise tween motor speed run time makes use limited CO-2 fuel can carried Flight times Square should be tween 40 60 seconds first few charges capsule course thermals can increase times sure use fuse smaller fields could add weight below tank control altitude flight times have problems building flying Square would like report results please write care Model Aviation. Hope enjoy Square FLYING NEAR AIRPORTS BE CAREFUL PROTECT YOUR RIGHT TO FLY 70 Model Aviation wing panel cut apart rejoined polyhedral angle incorporated Once rejoined add upper spars glue everything place thin cyanoacrylate
Edition: Model Aviation - 1987/12
Page Numbers: 68, 69, 70
IF YOU WOULD LIKE model simple build call plane Square Onewith emphasis Square youd like model can show basics high-performance Power models call starting Square Gas-powered glow plug diesel-powered Free Flight models can real handful modeler just start ing out days doesnt seem obvious transitional step powered sport model can try before moving full-bore Power model Square can fill need because looks acts lot like glow-powered model does its stuff quieter much relaxed pace Theres no need engine timer because CO-2 motors tank provides limited volume propellant gas carried Square does have fairly light wing loading produces good glide though should have dethermalizer help keep close Most CO-2 models seem Scale ones cant expected really good per formers Square fills need too quickly-built model can fly quite well Compared its brethren doesnt have carry along weight-pro ducing Scale detail like think Square model-of-a-model its loosely based larger Power models ones lot easier build fly Lets start wing stabilizer Well need have completed cov ered before can finish fuselage Make cardboard thin plywood template ribs leaving out spar notches Use templates guide cut out ribs Pin ribs together stack sand stacked ribs uniformly-smooth shape Mark locations spar cut slots stack thin file hack saw blade Lay out leading edges LE trail ing edges TE fit ribs place Trim ribs TE necessary proper fit Leave out three ribs fit wing must cut apart sepa rate panels glue dry use razor saw sharp X-Acto knife cut LE TE shown Remove tip panels work surface will rejoined main wing panels angle mat ing edges TE LE must sanded good mitered joint SQUARE LULU o 0 C,C SQUARE thought high-powered high-speed Power Free Flight has kept out facet modeling small model based CO-2 motor may let taste apples having buy orchard EAA Lidberg Block up tip panels glue Put main panel/tip panel joint ribs dry remove half wing board can sanded fit glued back proper angle wing still pinned board upper spars can glued place careful bend warp wing panels dry remove wing structure board add lower spar center gussets soft sheet tips Build stabilizer similar manner Using sanding block sand wing stabilizer LEs TEs tips shape clear dope thinned white glue adhesive cover wing stabilizer lightweight brightly-colored tissue Lightly spray tissue water covering will shrink dries apply very thin coat clear dope like Square emblem shown wing plan can cut dark tissue used decoration An easy way to make Xerox copy part plan tape copy over piece tissue cut through copy tissue sharp X-Acto blade guided straightedge Tissue decorations can adhered nicely dope thinner applied tissue brush coat thin dope Sig Lite-Coat would best second coat minimize warping should applied wing tail Begin fuselage tracing cutting out top two sides three formers motor mount Bend wire landing skid sew rear face motor mount thread glue Pin fuse lage top down plan glue mount formers followed sides dry remove board add motor mount scrap braces bot tom Make up wing mount cutting out pylon wing platform Add A6 sq strips both sides pylons top 68 Model Aviation Top Left simple trim scheme provided plans helps make attractive first powered Free Flight project Top Right Chris Lidberg age 11 launches C02powered model another flight Above Three-year-old Annemarie poses au thors prototype version Square edge join pylon platform Cut out add upper lower fin pieces stabilizer platform stabilizer block Take look various parts de thermalizer DT plan thread holds down stab TE until fuse burns through small #8 rubberband can buy quarter pound office supply store about $2thats about 2000 bands longtime supply active flier may also able scrounge few rubberbands size dentist similar used braces 2000 box supply wont last very long have pigtail-wearing young girl house Anyhow small rubberband connects hooks labeled H Another rubberband holds front stabilizer down also causes angle up far thread will allow short piece tubing side fuselage just behind pylon serves stop limit angle 35 450 tail pops up tail pops plane makes quick stall comes down much like parachute DT can help keep model within confines small field addi tion keeping model flying away thermal DT isnt foolproof sometimes will encounter big daddy thermals sure have name ad dress phone number model Back building Make up hooks tubing Add fuselage stab large tube fuse snuffer required planes flown competi tion good idea anyhow wont set fire flying field smold ering fuse should fall model Assemble stab fuselage mount motor tiny wood screws Ar range tank being very careful copper tubing will alongside fuselage about location shown tach wing pylon rubberband fit pylon fuselage slot Move pylon backward forward necessary plane will balance right over middle pylons tank slot balances mark pylon location tank opening Remove pylon cut circular open ing fuselage top tank using Telco Turbo motor same procedure applies theres no need tank openings pylon fuselage top pylon will end up much closer motor mount however some lower front edge pylon may have trimmed clear built-in tank Glue pylon place making sure wing platform parallel fuselage top What youve accomplished achievement proper balance out need additional ballast all-up model weight has thus mini mized models performance will optimized Apply couple coats thin dope fuselage youre just about finished Bend copper tube allow tank fit December 1987 69 Looking bones its easy see model earned square part Its name Remember square/straight part important model released fly itself Ribs cut using cardboard thin plywood templates stacked together sanding spar notching Mark spar locations cut out thin flat file razor saw Build wing piece first pinning down lower spar adding ribs Con struction stab done same manner Make sure ribs properly aligned Full-Size Plans Available Page 178 18 Sq Gussets 1/16 SqlSpoos 1/16 Sq N V -56.4 /8 SlIt Ips 31 l/l6 51/4/6SntBent /n. cI/l6 Sq 94/ Gneool Gelou Scoe i 1/25/8SP00 Sot t 1/16 Gtt rIps I16 Snt 680 Stobuoe GE 1/16 0 I/B ONE COO Foss F qft tM Geco seE nose /161/16 Snt 800 Bososo 2 Wnq PlOtt [1 /32 / 1/6L1/16 SqOSosembe Modol Moos Pt 5011 1/16 Sq0l/16Snt \Poon1/16 Sf0 F ns kSetsH5OotTSeoO tOns1/8 Sf0 Sf006000 oopBosonq 032 00 s Seus 6 Glue IITeloo ["if] j]2 Slut SloesSlIodedl/16Arum Tube Goudes 5L2:iL~i 2345 1/16 PIt cavity glue tank braces Arrange CO-2 charge fitting face ward alongside pylon can support fitting two fingers charging Its almost time test gliding before th5e check wing stab warps looking panel front rear side panel should absolutely flat Use steam very care fully heat electric range burner straighten out warpsby twisting op posite warp heating Cool off panel recheck everything straight lets go flying Try some test glides Square seems glide too fast add piece A2 sheet scrap under stab TE will addition 4-in block already stalls trim away about /32 block Two three such adding trimming away steps may required Bend aft portion fin needed produce left glide turn about 75 ft diameter Set Telco throttle 40- 50-second run Give tank gas charge ie charger pointing up try powered flight indicated gas charge throttle setting motor will run fairly slowmaybe fast enough climb thats OK Watch tight-turning tendencies pylon design causes model fly right under power cabin mod els generally turn left Thats no problem unless turn very tightsay less 25 ft diameter right turn can opened up putting some left thrust shim behind right side motor points slightly left model seems bank too far right right wing can lifted some washin Warp right wing LE 1/16 / higher TE tip panel joins main panel After plane gets bit altitude under power will able learn about glide Additional adjustments may re quired produce nice slow glide Experiment throttle setting will help find best compromise tween motor speed run time makes use limited CO-2 fuel can carried Flight times Square should be tween 40 60 seconds first few charges capsule course thermals can increase times sure use fuse smaller fields could add weight below tank control altitude flight times have problems building flying Square would like report results please write care Model Aviation. Hope enjoy Square FLYING NEAR AIRPORTS BE CAREFUL PROTECT YOUR RIGHT TO FLY 70 Model Aviation wing panel cut apart rejoined polyhedral angle incorporated Once rejoined add upper spars glue everything place thin cyanoacrylate
Edition: Model Aviation - 1987/12
Page Numbers: 68, 69, 70
IF YOU WOULD LIKE model simple build call plane Square Onewith emphasis Square youd like model can show basics high-performance Power models call starting Square Gas-powered glow plug diesel-powered Free Flight models can real handful modeler just start ing out days doesnt seem obvious transitional step powered sport model can try before moving full-bore Power model Square can fill need because looks acts lot like glow-powered model does its stuff quieter much relaxed pace Theres no need engine timer because CO-2 motors tank provides limited volume propellant gas carried Square does have fairly light wing loading produces good glide though should have dethermalizer help keep close Most CO-2 models seem Scale ones cant expected really good per formers Square fills need too quickly-built model can fly quite well Compared its brethren doesnt have carry along weight-pro ducing Scale detail like think Square model-of-a-model its loosely based larger Power models ones lot easier build fly Lets start wing stabilizer Well need have completed cov ered before can finish fuselage Make cardboard thin plywood template ribs leaving out spar notches Use templates guide cut out ribs Pin ribs together stack sand stacked ribs uniformly-smooth shape Mark locations spar cut slots stack thin file hack saw blade Lay out leading edges LE trail ing edges TE fit ribs place Trim ribs TE necessary proper fit Leave out three ribs fit wing must cut apart sepa rate panels glue dry use razor saw sharp X-Acto knife cut LE TE shown Remove tip panels work surface will rejoined main wing panels angle mat ing edges TE LE must sanded good mitered joint SQUARE LULU o 0 C,C SQUARE thought high-powered high-speed Power Free Flight has kept out facet modeling small model based CO-2 motor may let taste apples having buy orchard EAA Lidberg Block up tip panels glue Put main panel/tip panel joint ribs dry remove half wing board can sanded fit glued back proper angle wing still pinned board upper spars can glued place careful bend warp wing panels dry remove wing structure board add lower spar center gussets soft sheet tips Build stabilizer similar manner Using sanding block sand wing stabilizer LEs TEs tips shape clear dope thinned white glue adhesive cover wing stabilizer lightweight brightly-colored tissue Lightly spray tissue water covering will shrink dries apply very thin coat clear dope like Square emblem shown wing plan can cut dark tissue used decoration An easy way to make Xerox copy part plan tape copy over piece tissue cut through copy tissue sharp X-Acto blade guided straightedge Tissue decorations can adhered nicely dope thinner applied tissue brush coat thin dope Sig Lite-Coat would best second coat minimize warping should applied wing tail Begin fuselage tracing cutting out top two sides three formers motor mount Bend wire landing skid sew rear face motor mount thread glue Pin fuse lage top down plan glue mount formers followed sides dry remove board add motor mount scrap braces bot tom Make up wing mount cutting out pylon wing platform Add A6 sq strips both sides pylons top 68 Model Aviation Top Left simple trim scheme provided plans helps make attractive first powered Free Flight project Top Right Chris Lidberg age 11 launches C02powered model another flight Above Three-year-old Annemarie poses au thors prototype version Square edge join pylon platform Cut out add upper lower fin pieces stabilizer platform stabilizer block Take look various parts de thermalizer DT plan thread holds down stab TE until fuse burns through small #8 rubberband can buy quarter pound office supply store about $2thats about 2000 bands longtime supply active flier may also able scrounge few rubberbands size dentist similar used braces 2000 box supply wont last very long have pigtail-wearing young girl house Anyhow small rubberband connects hooks labeled H Another rubberband holds front stabilizer down also causes angle up far thread will allow short piece tubing side fuselage just behind pylon serves stop limit angle 35 450 tail pops up tail pops plane makes quick stall comes down much like parachute DT can help keep model within confines small field addi tion keeping model flying away thermal DT isnt foolproof sometimes will encounter big daddy thermals sure have name ad dress phone number model Back building Make up hooks tubing Add fuselage stab large tube fuse snuffer required planes flown competi tion good idea anyhow wont set fire flying field smold ering fuse should fall model Assemble stab fuselage mount motor tiny wood screws Ar range tank being very careful copper tubing will alongside fuselage about location shown tach wing pylon rubberband fit pylon fuselage slot Move pylon backward forward necessary plane will balance right over middle pylons tank slot balances mark pylon location tank opening Remove pylon cut circular open ing fuselage top tank using Telco Turbo motor same procedure applies theres no need tank openings pylon fuselage top pylon will end up much closer motor mount however some lower front edge pylon may have trimmed clear built-in tank Glue pylon place making sure wing platform parallel fuselage top What youve accomplished achievement proper balance out need additional ballast all-up model weight has thus mini mized models performance will optimized Apply couple coats thin dope fuselage youre just about finished Bend copper tube allow tank fit December 1987 69 Looking bones its easy see model earned square part Its name Remember square/straight part important model released fly itself Ribs cut using cardboard thin plywood templates stacked together sanding spar notching Mark spar locations cut out thin flat file razor saw Build wing piece first pinning down lower spar adding ribs Con struction stab done same manner Make sure ribs properly aligned Full-Size Plans Available Page 178 18 Sq Gussets 1/16 SqlSpoos 1/16 Sq N V -56.4 /8 SlIt Ips 31 l/l6 51/4/6SntBent /n. cI/l6 Sq 94/ Gneool Gelou Scoe i 1/25/8SP00 Sot t 1/16 Gtt rIps I16 Snt 680 Stobuoe GE 1/16 0 I/B ONE COO Foss F qft tM Geco seE nose /161/16 Snt 800 Bososo 2 Wnq PlOtt [1 /32 / 1/6L1/16 SqOSosembe Modol Moos Pt 5011 1/16 Sq0l/16Snt \Poon1/16 Sf0 F ns kSetsH5OotTSeoO tOns1/8 Sf0 Sf006000 oopBosonq 032 00 s Seus 6 Glue IITeloo ["if] j]2 Slut SloesSlIodedl/16Arum Tube Goudes 5L2:iL~i 2345 1/16 PIt cavity glue tank braces Arrange CO-2 charge fitting face ward alongside pylon can support fitting two fingers charging Its almost time test gliding before th5e check wing stab warps looking panel front rear side panel should absolutely flat Use steam very care fully heat electric range burner straighten out warpsby twisting op posite warp heating Cool off panel recheck everything straight lets go flying Try some test glides Square seems glide too fast add piece A2 sheet scrap under stab TE will addition 4-in block already stalls trim away about /32 block Two three such adding trimming away steps may required Bend aft portion fin needed produce left glide turn about 75 ft diameter Set Telco throttle 40- 50-second run Give tank gas charge ie charger pointing up try powered flight indicated gas charge throttle setting motor will run fairly slowmaybe fast enough climb thats OK Watch tight-turning tendencies pylon design causes model fly right under power cabin mod els generally turn left Thats no problem unless turn very tightsay less 25 ft diameter right turn can opened up putting some left thrust shim behind right side motor points slightly left model seems bank too far right right wing can lifted some washin Warp right wing LE 1/16 / higher TE tip panel joins main panel After plane gets bit altitude under power will able learn about glide Additional adjustments may re quired produce nice slow glide Experiment throttle setting will help find best compromise tween motor speed run time makes use limited CO-2 fuel can carried Flight times Square should be tween 40 60 seconds first few charges capsule course thermals can increase times sure use fuse smaller fields could add weight below tank control altitude flight times have problems building flying Square would like report results please write care Model Aviation. Hope enjoy Square FLYING NEAR AIRPORTS BE CAREFUL PROTECT YOUR RIGHT TO FLY 70 Model Aviation wing panel cut apart rejoined polyhedral angle incorporated Once rejoined add upper spars glue everything place thin cyanoacrylate