w L P1 LIIC UUSIU cuverso wiin riumusute ins oasics OT mis simpie jig r a ana y boards could hinged though author didnt find necessary jig also heipfu Tar sanaing ana covering OVER THE YEARS Ive built maybe dozen polyhedral wingsfor Rubber jobs Gassie Free Flights lately RC Sailplanes During building wing has always come time would get out blocks pins protractor ruler aid establishing proper angle outer panel building techniques have included squatting next workbench get eye line bench top standing chair get head upside down far side bench have frequently stood motionless periods 15 mm fingers squeezing trailing edge thumb pressing spar little finger other hand bracing leading edge maneuvered tube glue thumb remaining free fingers wing-building results have pre sentable flyable enough models always pass calibrated eyeball-squint testing clubs New Airplane Inspec tors gather consult solemnly appearance new plane However down deep secret heart Ive always known polyhedral wings just little bit off Sometimes angles outer spar joints werent identical Other times things didnt line up front-to-back separate panels Ive struggled teakettles heat guns straightening unstraight ening wing plans have called quarter inch washout have given tip WING JIG Walt Seaborg twist hoped best could possibly know sure putting exactly /4 Last month changed wing-building habits built truly proper wing polyhedral angles identical panels matched accurately front back Down deep secret heart knew right Best building wing breezemainly because got some un usually good advice set kit instruc tions beginning instructions Craft-Aire Golden Eagle Tom Wil liams Sailplanes designer went beyond usual glue Part Part B urged modeler first step before chopping balsa construct wing jig first reaction Big deal Ill just build panels separately usual sand angles spar leading trailing edges get out pins glue etc have read fine print noted because convex shape airfoil bottom should first pin down trailing edge glue ribs later tilt block-up assembly glue ribs spar leading edge Lining up gluing roundbottom flexible panels aid jig surely would have set off cussword alarm basement Anyway did what Williams pleaded first step buy piece absolutely flat particle board Find ing flat board hardest part model constructon adviser-experts say Build flat particle board should give name lumberyard Such boards almost dont exist fi nally found flat sawed two 18 x 36-in panels big enough pinning down Golden Eagle wing Unlimited class Sailplane mind future project cut pieces Homosote fit tops boards set polyhedral angle protractor blocked up outer board piece 2 x 4 held whole works place workbench partially-driven spikes Williams calls hinges between jig panels could see no need left out jig proved sturdy accurate Building Golden Eagle wing easy no body contortions required Continued page 180 April 1984 99 em memo memo memo mom mom memo memo mom j Circle numbers plans wish order 131193225239262282291299302310 UI 314326332343348354358362365368 ao383386392396398401403 407408409410412414415416417 418419420421422423424425426427 428429430431432433434435436437g 438439j U o Price includes first-class postage within us orders outside US please add $250 e Air Mail $125 surface mail Make check money order payable US funds Model Aviation U AMA 1810 Samuel Morse Dr Reston VA 22090 Please allow 3 weeks delivery UPlease print carefully Enclosed$ ________U 3NAME 3 STREETj CITY LSTATE blocks place Trim sand fuselage shape make cut-out engine Construct sliding servo tray fit servos Final-sand parts cover favorite heat-shrink material paint choice colors original Desperado insignia blue white trim Install control linkage making sure left aileron control transmitter results left elevon going up right elevon going down Neutral position elevons trailing edge raised 3/32 1/8 above normal neutral spot provides slight reflex airfoil required flying wings Flying have two suggestions First may advantage take few short flights first become oriented models appearance flight Second take account Des perado will go point making turn give aileron com mand roll ship edge apply up-elevator execute turn same time give opposite aileron right ship prevent going inverted make point latter have seen some pilots neglect give opposite aileron resulted ship going inverted reali zation Build Desperado plans show following suggested sequence will rewarding project Wing Jig/Seaborg Continued page 99 Besides newfound ease construction improved accuracy added benefit jig served cradle working wing after un pinned wax paper plans Sand ing far easier limp panels cra dled firmly jig got perfect leading trailing edge profiles no wavy con tours plan view thanks jig long aluminum T-bar sanding blocks cradle also helped MonoKoting least covering tops panels couple pins didnt need enlist elbows chin hold ing things down bracing things up still need five hands plus elbows chin covering bottom sides Golden Eagle plans didnt call washout didnt get try jig critical procedure However jig helped make sure no washout washin Maybe assembling new Un limited Sailplane Ill able pin down inner panel wing twsst tn1 exactly 4/nd washout whatever called Building polyhedral wings jig takes out guesswork step way 180 Model Aviation FULL*SIZE* PLANS No 436Ryan B-5 Brougham$1200 RC Scale 4-channels 40 4-cycle spans 631/2 Two sheets No 437Kingfisher$600 CL Profile Carrier 40-in span 35 engine No 438Cruiser$200 FF Embryo Endurance rubber-powered fun ship has big-modelcharacteristics No 439Desperado$450 RO Flying wing unique negative dihedral foam wing 4-ch19-40 No 131 Gee Bee dodd Yr 40-powered RC stand-ofi scale great old-time racers $500 No 193 StilielgO CL stunt model lMcOonaldl winner 1976 1980 1992 PAl world champs $375 No 225 Ole Reliable Rd 70 version 39 oldtinrer REM controls 19-25 $425 No 239 Blue Birds Rd Ken Willards formation plane 4-oh 10 $375 No 262 Creshmaster CL crash-proof trainer 2 sizns10-30 3540 $125 No 292 Gee Bee Rd Granger Williams magnificent Model 2 40 engine $750 No 291 Cap 20 40-powered scale Rd French aerobaf Ic plane Low wing fail-dragger 2 sheets $700 No 255 Gee Bee Sr Sporteter rtc 1/4-scale hy Haffke 91 power Profofype span 305 2 sheets $1175 No 302 Mint F-16 Rd sarpolas 049 ducted fan spotf flier 2-oh Balsa wings tail tone stroctare $375 No 310 1930 Fleet Biptase Rc Sport scale 30-40 4-oh Wingspan 09 116 scale Two sheets $825 No 314 Drake Ii Rd Ken Willards flying boat 3-oh to-power Fly fmm land edo removable gear $378 No 338 Taylor cob Rc Don Orulls Schoolyard-Scale 049s 2-3 Ch Spans 50 in $300 No 332 Zephyr Rd small 2-oh glider hand-leanch tow fhermal slope soaong $200 No 343 Wasp Vi PP Mike Stoys Nets-winning Oatdoor HLG - $155 No 348 Oneslegs RC Trainer has very forgiving flying qualioeo 3-oh 10-25 power -$425 No 354 Merlyn Rc Gianf 155-in span Sailplane ones 3 Rd channels $700 No 300 Pieces FF Indoor Easy 8 Robber-power contesf-wioner W van Gorder . $155 No 382 Supereat Rd Halt-A Pylon Racer/sport flier Aileron elevator confrol Psam wing $355 No 365 Seanreater Rc Willards 40-size flyirrg boat 4ch Strap-on gear landplaner 2 shts-$1155 No 365 Space Shuttle ii Rd Larger improved version Hao glider 3-oh-$500 No 375 CAP-21 Rd Giant-Scale Fresch aerobatic craS spans 7t/4 ft Osadra power 2 sheets doc $1455 No 383 Callisto 82 Rd Ply fhis sleek Nato-winning sailplane AMA Mod Sfd unlimoed classes $780 No 386 Laser 200 Rd Sport Scale replica championship Aerobatlo flier uses 40 power 4-0 oh 2 sOfa $1575 No 392 chrIstopher Rc Sport Scale parachufistl Two-oh set hides torso moves arms steer chafe $425 No 353 Kioud King Rd Reduced modernized version 1939 design t55 Old-Timer 2 3 oh $450 No 396 Lee-RIchards PP Electric-powered 039 Scale ring-wing oldie $300 No300 Gee Bee R-l Rd Hatfhes latest 1/4-scale spans 75 in. weighs 15 lb. flies 90 larger Poor shta no don- $2225 No 365 Zephyr 1155 Rd AMA class B Sailplane 3-ohannel Rd gear $875 No 401 Royal Lancer PP Basic compofrilon model AMA class uses sfarldard-pedoonance 15 engines - $550 No 402 Cub Floalpiane Rd Sport Scale 048-10-size engines 4-oh Rd 1-3 floats isa classic $500 No 405 Regent Queen Skies Rd Fan-type biplane 40-60 power 4-channels 12 sheets $1300 No 407 BoeIng XF5B-1 Rd Sport Scale rA power 2-3 channels $425 No 408 Re-Volt-Er Rd electric-power sport flier 2-channel 05 motor - $855 No 455 Fobber Spin iii PP Scale early monoplane trainer 049 pomer Three sheets plan documontatton $825 No410 Pober PIxie Rd Scale famous bAA plane 40-power 4-oh Build tot sport Precision 2 shL $1355 No 412 Mosquito Rd Sport Scale rein uses 10 angines 4-oh Rc - $825 No 414 Electric Sparky RC electric-powered tan flier 05 motOr 3-oh Rc scaled-up 1939 robber power favorite $800 No 415 Hawker Norriosee Mb RC Electric-power Sport Scale 15 motor 3-4 channels Two sheets $1175 No416 Stueff ire 55 CL Big 82-in-span Stunfer 60-power $755 No 417 Sporiwagon JR RC Pulse-rudder sportafer 02-power . $355 No 418 Lulorm Minor Rd Sport Scale model 1930s British lightplune 19-power 4-channel Rd - $725 No 419 Done 690 CL dempetifios Stunfer 4046 power hus foam wing stab $700 No 420 Buck 655 pp competition class B 15-21 power Has oadable-inclderce fail IvIT $800 No421 Asses Plane CL tSA frainer/sportster rugged balsa fast-building $325 No 422 Scooter Rd Two-Meter Sailplane has won Nuts event f 982 1983 plus Other contests - $550 No 423 cloud Cruiser RC Old-Timer fakes 60-power 3-oh Rd Two-piece wing opt en nosy transport Two sheets $1275 No 424 Good Tern PP Embryo Endurance robber-power floatytane has optional wheels stick-and-assue defight . $200 No425 Skyrocket CL Fun-Scale sport flier looks lire Grummans no-nese Nasy hem Thirties twin WAs $325 No 426 Ctrina Clippen Rd Fabulous 74-in-spun Sport Scale flying boat font 10-size engines 4-oh sheets 400 $2055 No 427 Prof has PP Travelair Mystery Ship Miss Los Angeles profile all-balsa rubber models sport flying 17 span. 9250 No 439 Bearcat CL Big campoafion-caliber profile Stunfer 60 power $800 No425 Over E-Z CI Old-Timer Stunt biplane has profile fuselage uses 25 engine $400 No 430 ironsida Rd 5ppy loin sportster tot 10-15 power 3-channel Rd $455 No 431 Lockheed P-38 Rd Pun-scale rein-IS-engine flier 4-channels Two sheets . $1300 No433 Phoenix CL updated Thutafertard-style Stunter 35-40 engines $575 No 431 Lockheed P38 Rd Fan-scale hein-15-engine flier ford-channels Two sheets $1355 No 432 Ptsoents CL updated Thunderbird-style Stunfer 39-40 engines-$575 No 433 Watts Up Rd Electric-powered glider 2-3 channels 035 mOtor spans S2 in - $450 No434 Sly Sir CL foam-wing Combat ship won 83 Nets use TO 049-051 power $300 No 435 Thin N Rd Aembatic biplane 40 engines 4-channels Greet sport flying $850 0 0 0 0 CJ C\l 0 0 -ot cJ 0 - 0 0 fl no 0 Ri tO tOL/ Em co no g 0 0 tO -o -tO 0 0 a 0 5 0 W0 0 c ton -J0 0 C WtO 0 U
Edition: Model Aviation - 1984/04
Page Numbers: 99, 180
Edition: Model Aviation - 1984/04
Page Numbers: 99, 180
w L P1 LIIC UUSIU cuverso wiin riumusute ins oasics OT mis simpie jig r a ana y boards could hinged though author didnt find necessary jig also heipfu Tar sanaing ana covering OVER THE YEARS Ive built maybe dozen polyhedral wingsfor Rubber jobs Gassie Free Flights lately RC Sailplanes During building wing has always come time would get out blocks pins protractor ruler aid establishing proper angle outer panel building techniques have included squatting next workbench get eye line bench top standing chair get head upside down far side bench have frequently stood motionless periods 15 mm fingers squeezing trailing edge thumb pressing spar little finger other hand bracing leading edge maneuvered tube glue thumb remaining free fingers wing-building results have pre sentable flyable enough models always pass calibrated eyeball-squint testing clubs New Airplane Inspec tors gather consult solemnly appearance new plane However down deep secret heart Ive always known polyhedral wings just little bit off Sometimes angles outer spar joints werent identical Other times things didnt line up front-to-back separate panels Ive struggled teakettles heat guns straightening unstraight ening wing plans have called quarter inch washout have given tip WING JIG Walt Seaborg twist hoped best could possibly know sure putting exactly /4 Last month changed wing-building habits built truly proper wing polyhedral angles identical panels matched accurately front back Down deep secret heart knew right Best building wing breezemainly because got some un usually good advice set kit instruc tions beginning instructions Craft-Aire Golden Eagle Tom Wil liams Sailplanes designer went beyond usual glue Part Part B urged modeler first step before chopping balsa construct wing jig first reaction Big deal Ill just build panels separately usual sand angles spar leading trailing edges get out pins glue etc have read fine print noted because convex shape airfoil bottom should first pin down trailing edge glue ribs later tilt block-up assembly glue ribs spar leading edge Lining up gluing roundbottom flexible panels aid jig surely would have set off cussword alarm basement Anyway did what Williams pleaded first step buy piece absolutely flat particle board Find ing flat board hardest part model constructon adviser-experts say Build flat particle board should give name lumberyard Such boards almost dont exist fi nally found flat sawed two 18 x 36-in panels big enough pinning down Golden Eagle wing Unlimited class Sailplane mind future project cut pieces Homosote fit tops boards set polyhedral angle protractor blocked up outer board piece 2 x 4 held whole works place workbench partially-driven spikes Williams calls hinges between jig panels could see no need left out jig proved sturdy accurate Building Golden Eagle wing easy no body contortions required Continued page 180 April 1984 99 em memo memo memo mom mom memo memo mom j Circle numbers plans wish order 131193225239262282291299302310 UI 314326332343348354358362365368 ao383386392396398401403 407408409410412414415416417 418419420421422423424425426427 428429430431432433434435436437g 438439j U o Price includes first-class postage within us orders outside US please add $250 e Air Mail $125 surface mail Make check money order payable US funds Model Aviation U AMA 1810 Samuel Morse Dr Reston VA 22090 Please allow 3 weeks delivery UPlease print carefully Enclosed$ ________U 3NAME 3 STREETj CITY LSTATE blocks place Trim sand fuselage shape make cut-out engine Construct sliding servo tray fit servos Final-sand parts cover favorite heat-shrink material paint choice colors original Desperado insignia blue white trim Install control linkage making sure left aileron control transmitter results left elevon going up right elevon going down Neutral position elevons trailing edge raised 3/32 1/8 above normal neutral spot provides slight reflex airfoil required flying wings Flying have two suggestions First may advantage take few short flights first become oriented models appearance flight Second take account Des perado will go point making turn give aileron com mand roll ship edge apply up-elevator execute turn same time give opposite aileron right ship prevent going inverted make point latter have seen some pilots neglect give opposite aileron resulted ship going inverted reali zation Build Desperado plans show following suggested sequence will rewarding project Wing Jig/Seaborg Continued page 99 Besides newfound ease construction improved accuracy added benefit jig served cradle working wing after un pinned wax paper plans Sand ing far easier limp panels cra dled firmly jig got perfect leading trailing edge profiles no wavy con tours plan view thanks jig long aluminum T-bar sanding blocks cradle also helped MonoKoting least covering tops panels couple pins didnt need enlist elbows chin hold ing things down bracing things up still need five hands plus elbows chin covering bottom sides Golden Eagle plans didnt call washout didnt get try jig critical procedure However jig helped make sure no washout washin Maybe assembling new Un limited Sailplane Ill able pin down inner panel wing twsst tn1 exactly 4/nd washout whatever called Building polyhedral wings jig takes out guesswork step way 180 Model Aviation FULL*SIZE* PLANS No 436Ryan B-5 Brougham$1200 RC Scale 4-channels 40 4-cycle spans 631/2 Two sheets No 437Kingfisher$600 CL Profile Carrier 40-in span 35 engine No 438Cruiser$200 FF Embryo Endurance rubber-powered fun ship has big-modelcharacteristics No 439Desperado$450 RO Flying wing unique negative dihedral foam wing 4-ch19-40 No 131 Gee Bee dodd Yr 40-powered RC stand-ofi scale great old-time racers $500 No 193 StilielgO CL stunt model lMcOonaldl winner 1976 1980 1992 PAl world champs $375 No 225 Ole Reliable Rd 70 version 39 oldtinrer REM controls 19-25 $425 No 239 Blue Birds Rd Ken Willards formation plane 4-oh 10 $375 No 262 Creshmaster CL crash-proof trainer 2 sizns10-30 3540 $125 No 292 Gee Bee Rd Granger Williams magnificent Model 2 40 engine $750 No 291 Cap 20 40-powered scale Rd French aerobaf Ic plane Low wing fail-dragger 2 sheets $700 No 255 Gee Bee Sr Sporteter rtc 1/4-scale hy Haffke 91 power Profofype span 305 2 sheets $1175 No 302 Mint F-16 Rd sarpolas 049 ducted fan spotf flier 2-oh Balsa wings tail tone stroctare $375 No 310 1930 Fleet Biptase Rc Sport scale 30-40 4-oh Wingspan 09 116 scale Two sheets $825 No 314 Drake Ii Rd Ken Willards flying boat 3-oh to-power Fly fmm land edo removable gear $378 No 338 Taylor cob Rc Don Orulls Schoolyard-Scale 049s 2-3 Ch Spans 50 in $300 No 332 Zephyr Rd small 2-oh glider hand-leanch tow fhermal slope soaong $200 No 343 Wasp Vi PP Mike Stoys Nets-winning Oatdoor HLG - $155 No 348 Oneslegs RC Trainer has very forgiving flying qualioeo 3-oh 10-25 power -$425 No 354 Merlyn Rc Gianf 155-in span Sailplane ones 3 Rd channels $700 No 300 Pieces FF Indoor Easy 8 Robber-power contesf-wioner W van Gorder . $155 No 382 Supereat Rd Halt-A Pylon Racer/sport flier Aileron elevator confrol Psam wing $355 No 365 Seanreater Rc Willards 40-size flyirrg boat 4ch Strap-on gear landplaner 2 shts-$1155 No 365 Space Shuttle ii Rd Larger improved version Hao glider 3-oh-$500 No 375 CAP-21 Rd Giant-Scale Fresch aerobatic craS spans 7t/4 ft Osadra power 2 sheets doc $1455 No 383 Callisto 82 Rd Ply fhis sleek Nato-winning sailplane AMA Mod Sfd unlimoed classes $780 No 386 Laser 200 Rd Sport Scale replica championship Aerobatlo flier uses 40 power 4-0 oh 2 sOfa $1575 No 392 chrIstopher Rc Sport Scale parachufistl Two-oh set hides torso moves arms steer chafe $425 No 353 Kioud King Rd Reduced modernized version 1939 design t55 Old-Timer 2 3 oh $450 No 396 Lee-RIchards PP Electric-powered 039 Scale ring-wing oldie $300 No300 Gee Bee R-l Rd Hatfhes latest 1/4-scale spans 75 in. weighs 15 lb. flies 90 larger Poor shta no don- $2225 No 365 Zephyr 1155 Rd AMA class B Sailplane 3-ohannel Rd gear $875 No 401 Royal Lancer PP Basic compofrilon model AMA class uses sfarldard-pedoonance 15 engines - $550 No 402 Cub Floalpiane Rd Sport Scale 048-10-size engines 4-oh Rd 1-3 floats isa classic $500 No 405 Regent Queen Skies Rd Fan-type biplane 40-60 power 4-channels 12 sheets $1300 No 407 BoeIng XF5B-1 Rd Sport Scale rA power 2-3 channels $425 No 408 Re-Volt-Er Rd electric-power sport flier 2-channel 05 motor - $855 No 455 Fobber Spin iii PP Scale early monoplane trainer 049 pomer Three sheets plan documontatton $825 No410 Pober PIxie Rd Scale famous bAA plane 40-power 4-oh Build tot sport Precision 2 shL $1355 No 412 Mosquito Rd Sport Scale rein uses 10 angines 4-oh Rc - $825 No 414 Electric Sparky RC electric-powered tan flier 05 motOr 3-oh Rc scaled-up 1939 robber power favorite $800 No 415 Hawker Norriosee Mb RC Electric-power Sport Scale 15 motor 3-4 channels Two sheets $1175 No416 Stueff ire 55 CL Big 82-in-span Stunfer 60-power $755 No 417 Sporiwagon JR RC Pulse-rudder sportafer 02-power . $355 No 418 Lulorm Minor Rd Sport Scale model 1930s British lightplune 19-power 4-channel Rd - $725 No 419 Done 690 CL dempetifios Stunfer 4046 power hus foam wing stab $700 No 420 Buck 655 pp competition class B 15-21 power Has oadable-inclderce fail IvIT $800 No421 Asses Plane CL tSA frainer/sportster rugged balsa fast-building $325 No 422 Scooter Rd Two-Meter Sailplane has won Nuts event f 982 1983 plus Other contests - $550 No 423 cloud Cruiser RC Old-Timer fakes 60-power 3-oh Rd Two-piece wing opt en nosy transport Two sheets $1275 No 424 Good Tern PP Embryo Endurance robber-power floatytane has optional wheels stick-and-assue defight . $200 No425 Skyrocket CL Fun-Scale sport flier looks lire Grummans no-nese Nasy hem Thirties twin WAs $325 No 426 Ctrina Clippen Rd Fabulous 74-in-spun Sport Scale flying boat font 10-size engines 4-oh sheets 400 $2055 No 427 Prof has PP Travelair Mystery Ship Miss Los Angeles profile all-balsa rubber models sport flying 17 span. 9250 No 439 Bearcat CL Big campoafion-caliber profile Stunfer 60 power $800 No425 Over E-Z CI Old-Timer Stunt biplane has profile fuselage uses 25 engine $400 No 430 ironsida Rd 5ppy loin sportster tot 10-15 power 3-channel Rd $455 No 431 Lockheed P-38 Rd Pun-scale rein-IS-engine flier 4-channels Two sheets . $1300 No433 Phoenix CL updated Thutafertard-style Stunter 35-40 engines $575 No 431 Lockheed P38 Rd Fan-scale hein-15-engine flier ford-channels Two sheets $1355 No 432 Ptsoents CL updated Thunderbird-style Stunfer 39-40 engines-$575 No 433 Watts Up Rd Electric-powered glider 2-3 channels 035 mOtor spans S2 in - $450 No434 Sly Sir CL foam-wing Combat ship won 83 Nets use TO 049-051 power $300 No 435 Thin N Rd Aembatic biplane 40 engines 4-channels Greet sport flying $850 0 0 0 0 CJ C\l 0 0 -ot cJ 0 - 0 0 fl no 0 Ri tO tOL/ Em co no g 0 0 tO -o -tO 0 0 a 0 5 0 W0 0 c ton -J0 0 C WtO 0 U
