0sagren trail semsfrom ents gcmodelers e countrs Ii hreason Id O&RIt could lx AMPSr happened 1979flu may find haveto dels e nt 96 inches ied kitted Bill 1939 souri del must bethe n engine wniV & o tine f fuel per pounprops w mum lAe ave nd es just like ortwo officiatOtt ~ust make overpower official Mofor few e modeh3A Top during take ents like v modelers shy aw reason o-d 7000 Knew what funres 2rP Directors co financiallywh tdships foun sea orEver 1 Copestitli engir IO IS length lost model properly used I-lowever compass doesnt much good dont know use As might somewhat embarassing ask structions compass use compet itor some people would rather eat worms ask help wouldnt how-to book nice Well book ex plains very simply some compass tech niques free fighters could use Over simplified fact See dog see cat see dog cat techniques book Expert Map Compass Orienteering Handbook Bjorn Kjellstrom Stackpole Books Bob Meuser 4200 Gregory St Oak land CA 94619 True helical pitch airfoil win-power 2 Blade Tractor 53each 545 35-4304 6364354 74767-8504 84868-8654 98104106854needs 11411-6118Si 12-412-512-65150 2 Blade PusherAT YOUR DEALER 5/ 3 5%4 6-36-4 354 3 Blade Pasher Metallic Aluminum 86885125 96 106 04 5150 Pusher106$150 FF Old Timer/Haught continued page 58 calibrated Flight performance Y & 0 props seems equal other brands although very difficult determine variables considered obtained nostalgic beauties Tom Cope 23262 SE 57th Street Route 3 Issaquab Washington 98027 lists along other items interest oldtimers Diameters range 8 18 pitches 4 8 range Tom tells Y & 0 props also available laminated wood prices right Ive also heard Mark Fechner 4456 W GRISH LARGE WOOD PROPELLERS HARDWOOD too hard minimizes costly plane 3145 So Salt Lake City Utah 84120 stocks Y & 0 props along hard get engine parts Rebuild Engine good original ignition engines getting harder harder find makes good sense get maxi mum life out ones have avail able Fortunately lapped piston cylinder assemblies have long lives exposed excessive dirt grit high-time engines still have good compression long after rest engine no longer serviceable cylinder-piston fit no longer ac ceptable possible have cylinder chrome plated old piston refitted provided engine has removable cyl inder head allowing access machining engine has integral head pretty much stuck common ailment old en gines worn main connecting rod bearings worn main bearings allow crankshaft wobble engine vi bration also allow leakage crank case compression vital proper fuel transfer 2-stroke-cycle engine Fabricating fitting new main rod bearings economical worth undertaking allows hours continued service old engine Broken mount lugs can repaired careful buildup metal using Heliarc welding process filing and/or machining back shape Incidentally common use electric starters can harmful older engines due lack thrust bearings capable absorbing inward pressure crank shaft reverse normal thrust load often born thin front surface main bearing wearing against back prop-drive washer Allowed continue procedure can lead crankpin machining groove rear crankcase cover several shops specializing model engine rework Some will work old-time engines couple will above mentioned Mark Fechner iL Machine Service John Lorbiecki 5847 N 67th Street Milwaukee Wiscon sin 53218 Anyone else willing work 108 Model Aviation Kraftsmanship kit processed AAMCO GOLD BALSAThis Trainer will blow apart hits ground d Support AMA WINO SPAN 50 WING AREA 425 ENGINES 15-35 WEIGHT 34 LBS FAST BOXLOK CONSTRUCTION MUST FOR THE BEGINNER GREATEST B/C BASIC TRAINEB Design & Kit ALL TIME Ask over 25000 satisfied builders H-BAY dealers sold themSHALL WE SAY MORE Andrrs Aircraft Model Co US Rte 1& North St Topsfield Mass 01983 887-8541 Price $3995 kit per dollar bar em CUSTOM TUNED ENGINES COMPETITION ACCESSORIES Cox 049/051 Specialists brochure send 1 5C stamp Kustom Kraftsmanship Brochure Box 2699 Laguna Hills CA 92653 714 830-5162 O FLASH STARTING UNEaCELLED POWER LONGER tIPS iFD LOWEST DRAIN GLOW PLUGS 1417 SWANSON ASSOCIATES P0 ROT SIWATNP SEW SIsSY 5700 Ss POUTS 5PrQUflN~x srw 15555Y 050WW forflO PROPELLERS polyester boil color Go GRISH propeller Sizes pitches styles engine damage True pitch airfoil fully carved Crafts man addshis own final touches 3/B BORE ALL SIZES IN $7 6 B & 10 PITCH20B 2210 2413 NEW SIZE 8 PITCH26$16 inmmin BROS OKEN ST JOHN INDIANA 46373 RIGHT HAND TRACTOR old-time engines please contact Ill get word out C E Haught Route 5 Box 16 Coeur dAlene ID 83814 Wind Sock/Johnson continued page 65 Mounting Sock Base Bearing Meas ure down 9-/8 top base angle drill two 5/16 holes 6 apart center angle crotch Two 5/16 dia X 3-in-long machine bolts lock nuts used secure base 15-foot 1 steel pipe Two /8 washers slipped down pivot rod bearing tube slipped followed another washer cotter pin used cap plastic detergent bottle cover top bearing tube keeping out rain Grease bearing tube profusely Erecting Pole Attaching Sock Base The 1 pole can put together two pieces pipe con necters piece recommended point should formed cleats welded near bottom make easy removal vandals impossible pipe should driven post driver rather sledge hammer Drive ground about 36 Attach sock base sock intact 5/16 bolts lock nuts re move sock base week before Holloween replace after Easter next spring Keep sock bearing lubricated happy flying Editors Note After two summers ex posure light canvas originally used windsock has decayed re placement material proved perfect choice lightweight easily lifted wind tough point being impossible tear bare hands expected weather indefinitely Bright orange 19 oz K-Kote rip-stop nylon mail ordered Goldberg Co 902 Chest nut St Philadelphia PA 19107 catalog No 1-KRSN price 5250 yard Sewing can done polyester thread household sewing machine Little Devil/Lidberg continued page 68 stabilizer platform cut cone accept platform shown plan Use clothes pin pull small ends cone together glue platform place Make 1/16 wide slot fin glue place tail cone can now glued motor tube holes 1/4 aluminum tube rubber peg rubber access can made Noseblock Prop Make up noseblock shown plan fit motor tube upper part rear piece glued motor tube serves key noseblock will always fit same location Solder washer piece 1/16 inside-diameter brass tube make up bearing drilling noseblock bearing angle drill bit slightly produce about 10 down right thrust Use required 95 plastic prop bead washers ball bearing washer between prop bearing prop will need drilled out 1/16 wire shaftthis will save some trouble bent prop shafts Pylon pylon made foam built up balsa parts used green poly urethane foam because its resistance glue dope use white beaded foam youll have skip doping pylon Handle foam block very soft balsa cutting sanding shape Bamboo sticks halves round toothpick wing hold down pegs added foam pylon glueing foam Add film glue sticks enter foam balsa pylon cut out core piece P1 add bamboo sticks rein force scraps 1/32 sheet Glue two vertical pieces P-2 add four P3 ribs four P4 ribs CWer sides pylon 1/32 sheet leaving side covers bit oversize Sand saddle shape bottom balsa foam pylon using sandpaper wrapped around motor tube Dont glue pylon place yet will tached later balance point completed model located Make up wing platform glue pylon Wing Stabilizer flying surfaces conventional should take mini mum time build Make cardboard templates ribs Use templates assist cutting ribs 1/16 1/32 sheet shown Pin wing ribs together stack can sanded same shape ribs stacked cut notches exact fit spars bit extra strength warp resist ance sure notch trailing edges ribs basic structure dry cut wing four panels rejoin shown polyhedral detail poly hedral joints carefully fitted glued no additional bracing will required Covering Assembly Cover wing stabilizer thin Japanese tissue use three four thin coats plasticized dope Sig Lite-cote nitrate 6 8 drops castor oil per ounce body should also covered Japanese tis sue two layers balsa motor tube make sure can stand up motor burst Cut tissue strips about 2 wide spirally wrap around body balsa green foam pylon also covered tis sue body given three four coats dope Make up 10-gram motor will about 6 feet Sig 1/4 rubber Other brands rubber may turn out short er longer same weight depending thickness sure ask pharma cist weigh some motors Tie 6 strips ends together make 3 loop double itself make 18 long 4strand motor motor usually use may also want try 6-strand motor 12 long 6-strand motor takes fewer turns runs out quicker climbs much steeper angle Use motor gives consistent results Install motor noseblock/prop assembly Add various fittings dethermalizer noseblock hooks Use small rubber band hold noseFebruary 1979 109 L SCALE ACCESSORIES WILLIAMS BROTHERS BY SCALE PILOTS SCALE WHEELS CONTROL-LINECYLINDERS ENGINE KITS MACHINE GUN KITS FREE-FLIGHT STIC DISPLAY MODELS iLLLWS SEND 5Ot FOR COMPLETE ILLUSTRATED CATALOG DEPT MA 181 PAWNEE STREET SAN MARCOS CA 6 92069
Edition: Model Aviation - 1979/02
Page Numbers: 58, 108, 109
0sagren trail semsfrom ents gcmodelers e countrs Ii hreason Id O&RIt could lx AMPSr happened 1979flu may find haveto dels e nt 96 inches ied kitted Bill 1939 souri del must bethe n engine wniV & o tine f fuel per pounprops w mum lAe ave nd es just like ortwo officiatOtt ~ust make overpower official Mofor few e modeh3A Top during take ents like v modelers shy aw reason o-d 7000 Knew what funres 2rP Directors co financiallywh tdships foun sea orEver 1 Copestitli engir IO IS length lost model properly used I-lowever compass doesnt much good dont know use As might somewhat embarassing ask structions compass use compet itor some people would rather eat worms ask help wouldnt how-to book nice Well book ex plains very simply some compass tech niques free fighters could use Over simplified fact See dog see cat see dog cat techniques book Expert Map Compass Orienteering Handbook Bjorn Kjellstrom Stackpole Books Bob Meuser 4200 Gregory St Oak land CA 94619 True helical pitch airfoil win-power 2 Blade Tractor 53each 545 35-4304 6364354 74767-8504 84868-8654 98104106854needs 11411-6118Si 12-412-512-65150 2 Blade PusherAT YOUR DEALER 5/ 3 5%4 6-36-4 354 3 Blade Pasher Metallic Aluminum 86885125 96 106 04 5150 Pusher106$150 FF Old Timer/Haught continued page 58 calibrated Flight performance Y & 0 props seems equal other brands although very difficult determine variables considered obtained nostalgic beauties Tom Cope 23262 SE 57th Street Route 3 Issaquab Washington 98027 lists along other items interest oldtimers Diameters range 8 18 pitches 4 8 range Tom tells Y & 0 props also available laminated wood prices right Ive also heard Mark Fechner 4456 W GRISH LARGE WOOD PROPELLERS HARDWOOD too hard minimizes costly plane 3145 So Salt Lake City Utah 84120 stocks Y & 0 props along hard get engine parts Rebuild Engine good original ignition engines getting harder harder find makes good sense get maxi mum life out ones have avail able Fortunately lapped piston cylinder assemblies have long lives exposed excessive dirt grit high-time engines still have good compression long after rest engine no longer serviceable cylinder-piston fit no longer ac ceptable possible have cylinder chrome plated old piston refitted provided engine has removable cyl inder head allowing access machining engine has integral head pretty much stuck common ailment old en gines worn main connecting rod bearings worn main bearings allow crankshaft wobble engine vi bration also allow leakage crank case compression vital proper fuel transfer 2-stroke-cycle engine Fabricating fitting new main rod bearings economical worth undertaking allows hours continued service old engine Broken mount lugs can repaired careful buildup metal using Heliarc welding process filing and/or machining back shape Incidentally common use electric starters can harmful older engines due lack thrust bearings capable absorbing inward pressure crank shaft reverse normal thrust load often born thin front surface main bearing wearing against back prop-drive washer Allowed continue procedure can lead crankpin machining groove rear crankcase cover several shops specializing model engine rework Some will work old-time engines couple will above mentioned Mark Fechner iL Machine Service John Lorbiecki 5847 N 67th Street Milwaukee Wiscon sin 53218 Anyone else willing work 108 Model Aviation Kraftsmanship kit processed AAMCO GOLD BALSAThis Trainer will blow apart hits ground d Support AMA WINO SPAN 50 WING AREA 425 ENGINES 15-35 WEIGHT 34 LBS FAST BOXLOK CONSTRUCTION MUST FOR THE BEGINNER GREATEST B/C BASIC TRAINEB Design & Kit ALL TIME Ask over 25000 satisfied builders H-BAY dealers sold themSHALL WE SAY MORE Andrrs Aircraft Model Co US Rte 1& North St Topsfield Mass 01983 887-8541 Price $3995 kit per dollar bar em CUSTOM TUNED ENGINES COMPETITION ACCESSORIES Cox 049/051 Specialists brochure send 1 5C stamp Kustom Kraftsmanship Brochure Box 2699 Laguna Hills CA 92653 714 830-5162 O FLASH STARTING UNEaCELLED POWER LONGER tIPS iFD LOWEST DRAIN GLOW PLUGS 1417 SWANSON ASSOCIATES P0 ROT SIWATNP SEW SIsSY 5700 Ss POUTS 5PrQUflN~x srw 15555Y 050WW forflO PROPELLERS polyester boil color Go GRISH propeller Sizes pitches styles engine damage True pitch airfoil fully carved Crafts man addshis own final touches 3/B BORE ALL SIZES IN $7 6 B & 10 PITCH20B 2210 2413 NEW SIZE 8 PITCH26$16 inmmin BROS OKEN ST JOHN INDIANA 46373 RIGHT HAND TRACTOR old-time engines please contact Ill get word out C E Haught Route 5 Box 16 Coeur dAlene ID 83814 Wind Sock/Johnson continued page 65 Mounting Sock Base Bearing Meas ure down 9-/8 top base angle drill two 5/16 holes 6 apart center angle crotch Two 5/16 dia X 3-in-long machine bolts lock nuts used secure base 15-foot 1 steel pipe Two /8 washers slipped down pivot rod bearing tube slipped followed another washer cotter pin used cap plastic detergent bottle cover top bearing tube keeping out rain Grease bearing tube profusely Erecting Pole Attaching Sock Base The 1 pole can put together two pieces pipe con necters piece recommended point should formed cleats welded near bottom make easy removal vandals impossible pipe should driven post driver rather sledge hammer Drive ground about 36 Attach sock base sock intact 5/16 bolts lock nuts re move sock base week before Holloween replace after Easter next spring Keep sock bearing lubricated happy flying Editors Note After two summers ex posure light canvas originally used windsock has decayed re placement material proved perfect choice lightweight easily lifted wind tough point being impossible tear bare hands expected weather indefinitely Bright orange 19 oz K-Kote rip-stop nylon mail ordered Goldberg Co 902 Chest nut St Philadelphia PA 19107 catalog No 1-KRSN price 5250 yard Sewing can done polyester thread household sewing machine Little Devil/Lidberg continued page 68 stabilizer platform cut cone accept platform shown plan Use clothes pin pull small ends cone together glue platform place Make 1/16 wide slot fin glue place tail cone can now glued motor tube holes 1/4 aluminum tube rubber peg rubber access can made Noseblock Prop Make up noseblock shown plan fit motor tube upper part rear piece glued motor tube serves key noseblock will always fit same location Solder washer piece 1/16 inside-diameter brass tube make up bearing drilling noseblock bearing angle drill bit slightly produce about 10 down right thrust Use required 95 plastic prop bead washers ball bearing washer between prop bearing prop will need drilled out 1/16 wire shaftthis will save some trouble bent prop shafts Pylon pylon made foam built up balsa parts used green poly urethane foam because its resistance glue dope use white beaded foam youll have skip doping pylon Handle foam block very soft balsa cutting sanding shape Bamboo sticks halves round toothpick wing hold down pegs added foam pylon glueing foam Add film glue sticks enter foam balsa pylon cut out core piece P1 add bamboo sticks rein force scraps 1/32 sheet Glue two vertical pieces P-2 add four P3 ribs four P4 ribs CWer sides pylon 1/32 sheet leaving side covers bit oversize Sand saddle shape bottom balsa foam pylon using sandpaper wrapped around motor tube Dont glue pylon place yet will tached later balance point completed model located Make up wing platform glue pylon Wing Stabilizer flying surfaces conventional should take mini mum time build Make cardboard templates ribs Use templates assist cutting ribs 1/16 1/32 sheet shown Pin wing ribs together stack can sanded same shape ribs stacked cut notches exact fit spars bit extra strength warp resist ance sure notch trailing edges ribs basic structure dry cut wing four panels rejoin shown polyhedral detail poly hedral joints carefully fitted glued no additional bracing will required Covering Assembly Cover wing stabilizer thin Japanese tissue use three four thin coats plasticized dope Sig Lite-cote nitrate 6 8 drops castor oil per ounce body should also covered Japanese tis sue two layers balsa motor tube make sure can stand up motor burst Cut tissue strips about 2 wide spirally wrap around body balsa green foam pylon also covered tis sue body given three four coats dope Make up 10-gram motor will about 6 feet Sig 1/4 rubber Other brands rubber may turn out short er longer same weight depending thickness sure ask pharma cist weigh some motors Tie 6 strips ends together make 3 loop double itself make 18 long 4strand motor motor usually use may also want try 6-strand motor 12 long 6-strand motor takes fewer turns runs out quicker climbs much steeper angle Use motor gives consistent results Install motor noseblock/prop assembly Add various fittings dethermalizer noseblock hooks Use small rubber band hold noseFebruary 1979 109 L SCALE ACCESSORIES WILLIAMS BROTHERS BY SCALE PILOTS SCALE WHEELS CONTROL-LINECYLINDERS ENGINE KITS MACHINE GUN KITS FREE-FLIGHT STIC DISPLAY MODELS iLLLWS SEND 5Ot FOR COMPLETE ILLUSTRATED CATALOG DEPT MA 181 PAWNEE STREET SAN MARCOS CA 6 92069
Edition: Model Aviation - 1979/02
Page Numbers: 58, 108, 109
0sagren trail semsfrom ents gcmodelers e countrs Ii hreason Id O&RIt could lx AMPSr happened 1979flu may find haveto dels e nt 96 inches ied kitted Bill 1939 souri del must bethe n engine wniV & o tine f fuel per pounprops w mum lAe ave nd es just like ortwo officiatOtt ~ust make overpower official Mofor few e modeh3A Top during take ents like v modelers shy aw reason o-d 7000 Knew what funres 2rP Directors co financiallywh tdships foun sea orEver 1 Copestitli engir IO IS length lost model properly used I-lowever compass doesnt much good dont know use As might somewhat embarassing ask structions compass use compet itor some people would rather eat worms ask help wouldnt how-to book nice Well book ex plains very simply some compass tech niques free fighters could use Over simplified fact See dog see cat see dog cat techniques book Expert Map Compass Orienteering Handbook Bjorn Kjellstrom Stackpole Books Bob Meuser 4200 Gregory St Oak land CA 94619 True helical pitch airfoil win-power 2 Blade Tractor 53each 545 35-4304 6364354 74767-8504 84868-8654 98104106854needs 11411-6118Si 12-412-512-65150 2 Blade PusherAT YOUR DEALER 5/ 3 5%4 6-36-4 354 3 Blade Pasher Metallic Aluminum 86885125 96 106 04 5150 Pusher106$150 FF Old Timer/Haught continued page 58 calibrated Flight performance Y & 0 props seems equal other brands although very difficult determine variables considered obtained nostalgic beauties Tom Cope 23262 SE 57th Street Route 3 Issaquab Washington 98027 lists along other items interest oldtimers Diameters range 8 18 pitches 4 8 range Tom tells Y & 0 props also available laminated wood prices right Ive also heard Mark Fechner 4456 W GRISH LARGE WOOD PROPELLERS HARDWOOD too hard minimizes costly plane 3145 So Salt Lake City Utah 84120 stocks Y & 0 props along hard get engine parts Rebuild Engine good original ignition engines getting harder harder find makes good sense get maxi mum life out ones have avail able Fortunately lapped piston cylinder assemblies have long lives exposed excessive dirt grit high-time engines still have good compression long after rest engine no longer serviceable cylinder-piston fit no longer ac ceptable possible have cylinder chrome plated old piston refitted provided engine has removable cyl inder head allowing access machining engine has integral head pretty much stuck common ailment old en gines worn main connecting rod bearings worn main bearings allow crankshaft wobble engine vi bration also allow leakage crank case compression vital proper fuel transfer 2-stroke-cycle engine Fabricating fitting new main rod bearings economical worth undertaking allows hours continued service old engine Broken mount lugs can repaired careful buildup metal using Heliarc welding process filing and/or machining back shape Incidentally common use electric starters can harmful older engines due lack thrust bearings capable absorbing inward pressure crank shaft reverse normal thrust load often born thin front surface main bearing wearing against back prop-drive washer Allowed continue procedure can lead crankpin machining groove rear crankcase cover several shops specializing model engine rework Some will work old-time engines couple will above mentioned Mark Fechner iL Machine Service John Lorbiecki 5847 N 67th Street Milwaukee Wiscon sin 53218 Anyone else willing work 108 Model Aviation Kraftsmanship kit processed AAMCO GOLD BALSAThis Trainer will blow apart hits ground d Support AMA WINO SPAN 50 WING AREA 425 ENGINES 15-35 WEIGHT 34 LBS FAST BOXLOK CONSTRUCTION MUST FOR THE BEGINNER GREATEST B/C BASIC TRAINEB Design & Kit ALL TIME Ask over 25000 satisfied builders H-BAY dealers sold themSHALL WE SAY MORE Andrrs Aircraft Model Co US Rte 1& North St Topsfield Mass 01983 887-8541 Price $3995 kit per dollar bar em CUSTOM TUNED ENGINES COMPETITION ACCESSORIES Cox 049/051 Specialists brochure send 1 5C stamp Kustom Kraftsmanship Brochure Box 2699 Laguna Hills CA 92653 714 830-5162 O FLASH STARTING UNEaCELLED POWER LONGER tIPS iFD LOWEST DRAIN GLOW PLUGS 1417 SWANSON ASSOCIATES P0 ROT SIWATNP SEW SIsSY 5700 Ss POUTS 5PrQUflN~x srw 15555Y 050WW forflO PROPELLERS polyester boil color Go GRISH propeller Sizes pitches styles engine damage True pitch airfoil fully carved Crafts man addshis own final touches 3/B BORE ALL SIZES IN $7 6 B & 10 PITCH20B 2210 2413 NEW SIZE 8 PITCH26$16 inmmin BROS OKEN ST JOHN INDIANA 46373 RIGHT HAND TRACTOR old-time engines please contact Ill get word out C E Haught Route 5 Box 16 Coeur dAlene ID 83814 Wind Sock/Johnson continued page 65 Mounting Sock Base Bearing Meas ure down 9-/8 top base angle drill two 5/16 holes 6 apart center angle crotch Two 5/16 dia X 3-in-long machine bolts lock nuts used secure base 15-foot 1 steel pipe Two /8 washers slipped down pivot rod bearing tube slipped followed another washer cotter pin used cap plastic detergent bottle cover top bearing tube keeping out rain Grease bearing tube profusely Erecting Pole Attaching Sock Base The 1 pole can put together two pieces pipe con necters piece recommended point should formed cleats welded near bottom make easy removal vandals impossible pipe should driven post driver rather sledge hammer Drive ground about 36 Attach sock base sock intact 5/16 bolts lock nuts re move sock base week before Holloween replace after Easter next spring Keep sock bearing lubricated happy flying Editors Note After two summers ex posure light canvas originally used windsock has decayed re placement material proved perfect choice lightweight easily lifted wind tough point being impossible tear bare hands expected weather indefinitely Bright orange 19 oz K-Kote rip-stop nylon mail ordered Goldberg Co 902 Chest nut St Philadelphia PA 19107 catalog No 1-KRSN price 5250 yard Sewing can done polyester thread household sewing machine Little Devil/Lidberg continued page 68 stabilizer platform cut cone accept platform shown plan Use clothes pin pull small ends cone together glue platform place Make 1/16 wide slot fin glue place tail cone can now glued motor tube holes 1/4 aluminum tube rubber peg rubber access can made Noseblock Prop Make up noseblock shown plan fit motor tube upper part rear piece glued motor tube serves key noseblock will always fit same location Solder washer piece 1/16 inside-diameter brass tube make up bearing drilling noseblock bearing angle drill bit slightly produce about 10 down right thrust Use required 95 plastic prop bead washers ball bearing washer between prop bearing prop will need drilled out 1/16 wire shaftthis will save some trouble bent prop shafts Pylon pylon made foam built up balsa parts used green poly urethane foam because its resistance glue dope use white beaded foam youll have skip doping pylon Handle foam block very soft balsa cutting sanding shape Bamboo sticks halves round toothpick wing hold down pegs added foam pylon glueing foam Add film glue sticks enter foam balsa pylon cut out core piece P1 add bamboo sticks rein force scraps 1/32 sheet Glue two vertical pieces P-2 add four P3 ribs four P4 ribs CWer sides pylon 1/32 sheet leaving side covers bit oversize Sand saddle shape bottom balsa foam pylon using sandpaper wrapped around motor tube Dont glue pylon place yet will tached later balance point completed model located Make up wing platform glue pylon Wing Stabilizer flying surfaces conventional should take mini mum time build Make cardboard templates ribs Use templates assist cutting ribs 1/16 1/32 sheet shown Pin wing ribs together stack can sanded same shape ribs stacked cut notches exact fit spars bit extra strength warp resist ance sure notch trailing edges ribs basic structure dry cut wing four panels rejoin shown polyhedral detail poly hedral joints carefully fitted glued no additional bracing will required Covering Assembly Cover wing stabilizer thin Japanese tissue use three four thin coats plasticized dope Sig Lite-cote nitrate 6 8 drops castor oil per ounce body should also covered Japanese tis sue two layers balsa motor tube make sure can stand up motor burst Cut tissue strips about 2 wide spirally wrap around body balsa green foam pylon also covered tis sue body given three four coats dope Make up 10-gram motor will about 6 feet Sig 1/4 rubber Other brands rubber may turn out short er longer same weight depending thickness sure ask pharma cist weigh some motors Tie 6 strips ends together make 3 loop double itself make 18 long 4strand motor motor usually use may also want try 6-strand motor 12 long 6-strand motor takes fewer turns runs out quicker climbs much steeper angle Use motor gives consistent results Install motor noseblock/prop assembly Add various fittings dethermalizer noseblock hooks Use small rubber band hold noseFebruary 1979 109 L SCALE ACCESSORIES WILLIAMS BROTHERS BY SCALE PILOTS SCALE WHEELS CONTROL-LINECYLINDERS ENGINE KITS MACHINE GUN KITS FREE-FLIGHT STIC DISPLAY MODELS iLLLWS SEND 5Ot FOR COMPLETE ILLUSTRATED CATALOG DEPT MA 181 PAWNEE STREET SAN MARCOS CA 6 92069