One nice things about r have fun ways autnor nas naa rewar t model kit Paired-in nose two-wheel landing gear 25 engine provide snappy performance structure has beefed-up sufficiently take higher loads result author architect profession designer National Center Aeromodeling THE EAGLET Carl Goldberg Models popular sport trainers market today good rea sons Eaglet very easy build elegant looking good solidflying sport trainer have progressed beyond trainer stage want build model higher performance capable inverted flight still simple build looks better nostal gic benttail-dragger lovers like Bill Winter instance build another Eaglet following modifications 1 Faired-in nose streamlining 2 Tail-dragger less drag weight 3 Enlarged rudder better ground han dling 4 Enlarged ailerons faster Left downward-slanted engine large spinner provide sleek installation Right Detail adjustable-length tail wheel wheel fully extended handling characteristics very similar standard tricycle gear 88 Model Aviation wing flaps fully extended view Deploying flaps will slow model considerably allow steeper glide Note text cautions however putting taking off action flaps photos Bernie Stuecker roll rate 5 Modified airfoil improved inverted flight 6 Wing flaps slower flight steeper glide 7 25 engine higher speeds steeper climbs 8 Beefed-up structure take higher G forces real joy flying Screamin Eaglet contrast between high-speed low-speed capabilities fast model 9 6 can perform large graceful maneuvers penetrate strong wind cover lot sky flaps down things change Wing flaps increase coefficient lift airfoil flaps down model will take off after shorter roll climb steeper angle glide steeper angle descent important suggested streamlining turn loop much tighter have improved stall characteristics flaps down can horse model off ground go through sharp turns little concern stall course better technique increase use rudder control vs ailerons low speeds turns cor rections especially during takeoff August 1984 89 Left Mounting detail servos flaps ailerons Above bottom view wing structure shows part airfoil mod ifications Trim off rib tops add rib bottoms after wing has built normal fashion spinner As shown nose has prepared firewall-type engine Left nose modified fair-in smoothly largemount Right The mounting angle chosen places muffler OS 25 FSR bottom-center fuselage Overall views wing top left bottom right show servo mounting additional sheeting extra-wide ailerons flap wells like modify kits guys tricks played Eaglet may lust cup tea forewarned application full flaps increases effective angle tack wing thus greatly affects trim pop flaps ready apply down-elevator flying very slowly Conversely take flaps off have plenty altitude speed because nose will tend drop have flown tail-dragger ideal model learning Carl Goldbergs basic design long slim plenty inertia about yaw rud der control axis Most fears tail-drag gers come experiences shortcoupled models isnt An adjust able-length tail wheel shown plan havent flown tail-dragger start tail wheel fully extended long tail wheel flaps up model will have attain airspeed well over stall become airborne Rud der control takeoff similar handling nose-draggers because good airflow over rudder full power Landings however different engine idling airflow over rud der poor final approach use rudder steer aileron cancel out crosswind must land wing low Once contact ground important stay rudder control extended tail wheel tail wheel will contact ground first pitch model slightly down will kill wings lift pro vide good contact steering As tail-dragging skills increase shorten tail wheel quicker takeoffs model tends porpoise landing lengthen tail wheel slightly use flaps during landing helps tremendously slowing plane improving its stall characteristics Construction Follow normal steps except following changes Wing top profile wing ribs must modified new spar slot cut per templates wing built instructions flat bot tom except leading edge can hung over edge work bench pinned ribs Note additional doublers have shown leading trailing edges leading edge sheeting extends farther out wing After building basic wing panels secondary lower spar partial span can added new bottom wing rib contours flap rigging flap well sheeting bottom leading edge sheeting can installed plastic wing tips supplied kit cannot used Build new balsa tips template shown Cut new ailerons 1-in balsa stock Taper inboard ends standard size tips after cutting plan shape taper bottom surface up thus providing washout tips Wing flaps Build flaps A6 ply wood /16 balsa infill An alternate method construction laminate two layers /32 balsa sheet grain bi ased 45 degrees fin stabilizer modified insetting /6-in hardwood dowels leading edges improve structural stiff ness Add rudder area shown Fuselage Decide whether want use beam engine mounts supplied kit radial mount Use radial mount will require doubling thickness 90 Model Aviation Addition dowel stock leading edge stabilizer above vertical fin right provides increased structural stiffness FULL-SIZE PLANS AVAILABLE . SEE PAGE 172I OOEO 32 PLY PROJEOTFO toELIC WINO TIPtoe enIIflIAMOIJIETZZVVZiZ OIJrLISELEOITONOALII BAlSA I3W YISWTI -ilr -BAj~ -S iIL NONONONNONNONBOO MN MNOREN MSMO MO Firewall Also decide want use right down thrust shown plan improve low-speed handling characteristics particularly during take off want optimize maxi mum speed engine set straight ahead use semi-inverted engine installation shown modifications plan fuel tank must located low fuselage After have built basic fuselage install engine preparation fair ing-in nose Attach new round nose former temporarily engine shaft leaving sufficient clearance spinner Fill around engine -in sheet balsa laminations Remove engine shape nose area falr box fuselage smoothly nose former Shape smooth engine compartment Recut maln landing gear slot 3 Vz forward kit location Fill original gear slot Trim landing gear side brackets tilt gear wire slightly foward install brackets new location Relocate rear wing hold-down dowel behind former improve rubberband holding geometry Add hard balsa wing seat fillers Install brass tube X0-in inside diameter rear fuselage epoxy bottom sheeting elevator mount After fuselage covered install adjustable tall wheel retalning soldered washers end brass tube Fabricate tail wheel control arm approx 020 brass solder tail wheel wire rig rudder servo use OS 25 FSR try 85-in diameter 5-in pitch propeller engine new expect develop full power until after considerable running time fine power plant improved roll rate higher speeds Screamin Eaglet will seem Continued page 167 Left center attention flap well note areas subject fuel seepage have pre-doped Right Author John Hunton readying flight cold weather August 1984 91 ---- -- -PLYWOOO IIYOGONOCET~itZZZZZiZ1tZZZVNZZXZVIFMLLONA BAIO*NFBNI________________________________ N PLY *16 SlIEST VItWEEY __ Y0P4 ___NOBONOENWING oW PAIIEONS 111111 SCREAM IN SPOON00 000000 IINEW 530 LE fi 111117]EAGLET Is00E -IIMATERIALE BA EN k1IMODIFICATIONS TO NEWI TOPPONTosaEAGLET SO SPORT TRAINER1/ VIEWTYPIC W/MOTIONNOONBY SNLAAICARL GOLDBERG MODELSINGIt FAIN IN NOSEPCYWOOOINN NE FRONT1/ NITY NEOIOB13NMONIFIOSTIONS NY 3000 OIINYON / NEINPONOEBENYNO UNSLENTEN BAFFLERINSEY S3IN WY BALSAOF FOtEWALL FORNONE N 00OSNER PUSELANENONELA TO 130 PLPNOOO FORMERIl IIIMOO OOWE III 3 1L5 IWI BOUNY FOELI aNOONS TIME IIIYANK LOW IIIIPONELONE NI5ROANWHEEL IIIVON SPINSEN7 LLENNYNEN TOILWOEEL IF MORELWUSIO0 LASS TENON YO PONPOINE ON LAANOINNWIRE 00 FAIR INSTOCE0EFT S GE V EWIIS YOPEN 01005LONOINONP YWOONNOONTEB POR NOICENA TONEOPOQ 30WOEEL MUFFLENNINE ON PEN ElYtOONN BEAN SF00NN3N WOEELSWING FLAP DETAIL NOTE TOE CRININOL EANLEY PIANO SHOW APPNOOONEEL SIZES NOOWN OONNTSNANT 000 0 OINOY YORUNT FOR BETTERNOON WELL ONE NNABN B D AA Profile Proto Eveat AA B D Jet None None No Juniors No Juniors Juniors unlimital amNo Juniors Restrictions None None No Seniors No Seniors No Seniors addition think 1984-1985 AMA rule book paragraph 17 Section 23 CL Speed needs revised add ing following sentence just before last sentence paragraph addi tion models should maintain flight alti tude generally above height pilots hand holding con trol handle last sentence paragraph would revised read Maintenance flight outside limits specified various classes one-half lap shall constitute foul still think need class limited specific engineand maybe specific plane wellfor beginners good job column Keep up good work Thats aD month Comments Ross letter should sent Gene Hempel 301 N Yale Dr Gar land TX 75042 Civy Boy CO-2ILidberg Continued page 84 copies over tissue cut out letters using metal straightedge guide sharp #11 X-Acto blade Adhere letters thinner applied small brush original Civy Boy 74 MAN article featured Atwood Triumph lettering wings under side thats model says Telco CO-2 dont work Telco free plug want encourage use CO-2 motors dont have install dethermal izer DT would shame lose model needlessly thermal Install dowel fuse snuffer tube wire hooks shown plan piece strong thread 008 012-in Control Line wire used limit string tail will pop up about 400 thread used sure wont contactthe fuse tail will pop off instead up Check over panel wing tail warps steam flat necessary Assemble model must balance wings TE adjustment move tank forward aft Small bits clay ballast may also used tank located correctly brace place make bond paper hatch cover Begin test glides / shim under stab TE bit thickness will probably needed good glide Move tail assembly around bit theres just hint left glide turn add some A6 sq /-in-long keys position stab platform Make sure keys glued stab stab still free pop up Try some low-power flights Civy Boy should climb gently right low setting wont theres warp rudder engine offset needs taken care Work up slowly power using throttle Most CO-2 models fly best using less full power Hope enjoy Civy Boy replica believe youll find relaxing rewarding type modeling Screamin EagletlHunton Continued page 91 much sensitive responsive compared stock kit Eaglet may want get experienced pilot help check out trim new model SofteelJohnson Continued page 95 everything built onto simplicity accuracy 3/8 sheet should cut roughly shape having traced plan carbon paper stabilizer-elevator assembly needs cut out sanded pre-hinged technique hinge centerlines dipped warmed Vaseline ad hesives paint wont stick assembled unit carefully placed over crutch properly aligned CyA-glued Use scraps 3/8 sheet make absolutely sure stab-eleva tor assembly level Pin crutch flat over drawing using extension lines locate position formers Lite Ply should have engine mounts epoxied time 5-mm epoxy assemble bulkheads sides over August1984 167 however will quickly become accli mated appreciative higherperformance variation IN STOCK FOR IMMEDIATE SHIPMENT New 30 CID QUADRA $19995 New 22 CID QUADRA $10950 Reg 22 QUADRA$9995 Brisighella Flywheel $1 1995 Reg 22 QUADRA POWER ASSEMBLY ONLY$6450 QUADRA REPAIR 1000 plus part Jim Messer ERCOUPEPLANS $2395 KIT $23996 Jim Mower TOMAHAWKPLANS $2396 KIT $39995 Jim Mower 8-BALL TRAINER PLANS $1896 KIT $9996 BALSA BASSWOOD loll sicesI 35% OFF Concept FLEET PLANS $2996 KIT $15996 COWL $1996 FLOATS 26115 scale core $1796 complete kit *3995 FLOATS 46'/ scale cores $2195 complete kit *4796 10 WWI WHEELS $3996 P&W CYLS FLEETM$2596 PLANS SUPER STEARMAN lGodfreyl $2896 STARDUSTER TOO IBrisighellal 1-3 CUB Nelit $3996 VOLKSPLANE IChicken Charliel $2396 COCKPIT KITS Tomahawk F4U1 Spitfire $2296 Ercoup $2096 Stearman $2296 Citabria $2496 J3 Cub $2196 ME-lU $2396 Fleet $2196 US Quadra FUEL TANKS16 oz $696 32 oz $796 FIBERGLASS ARROW SHAFTS 5/16s 32 long 61$1000 24IfourSenrIce. Add $250 postage Seed Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View gany NY 14706
Edition: Model Aviation - 1984/08
Page Numbers: 88, 89, 90, 91, 167
One nice things about r have fun ways autnor nas naa rewar t model kit Paired-in nose two-wheel landing gear 25 engine provide snappy performance structure has beefed-up sufficiently take higher loads result author architect profession designer National Center Aeromodeling THE EAGLET Carl Goldberg Models popular sport trainers market today good rea sons Eaglet very easy build elegant looking good solidflying sport trainer have progressed beyond trainer stage want build model higher performance capable inverted flight still simple build looks better nostal gic benttail-dragger lovers like Bill Winter instance build another Eaglet following modifications 1 Faired-in nose streamlining 2 Tail-dragger less drag weight 3 Enlarged rudder better ground han dling 4 Enlarged ailerons faster Left downward-slanted engine large spinner provide sleek installation Right Detail adjustable-length tail wheel wheel fully extended handling characteristics very similar standard tricycle gear 88 Model Aviation wing flaps fully extended view Deploying flaps will slow model considerably allow steeper glide Note text cautions however putting taking off action flaps photos Bernie Stuecker roll rate 5 Modified airfoil improved inverted flight 6 Wing flaps slower flight steeper glide 7 25 engine higher speeds steeper climbs 8 Beefed-up structure take higher G forces real joy flying Screamin Eaglet contrast between high-speed low-speed capabilities fast model 9 6 can perform large graceful maneuvers penetrate strong wind cover lot sky flaps down things change Wing flaps increase coefficient lift airfoil flaps down model will take off after shorter roll climb steeper angle glide steeper angle descent important suggested streamlining turn loop much tighter have improved stall characteristics flaps down can horse model off ground go through sharp turns little concern stall course better technique increase use rudder control vs ailerons low speeds turns cor rections especially during takeoff August 1984 89 Left Mounting detail servos flaps ailerons Above bottom view wing structure shows part airfoil mod ifications Trim off rib tops add rib bottoms after wing has built normal fashion spinner As shown nose has prepared firewall-type engine Left nose modified fair-in smoothly largemount Right The mounting angle chosen places muffler OS 25 FSR bottom-center fuselage Overall views wing top left bottom right show servo mounting additional sheeting extra-wide ailerons flap wells like modify kits guys tricks played Eaglet may lust cup tea forewarned application full flaps increases effective angle tack wing thus greatly affects trim pop flaps ready apply down-elevator flying very slowly Conversely take flaps off have plenty altitude speed because nose will tend drop have flown tail-dragger ideal model learning Carl Goldbergs basic design long slim plenty inertia about yaw rud der control axis Most fears tail-drag gers come experiences shortcoupled models isnt An adjust able-length tail wheel shown plan havent flown tail-dragger start tail wheel fully extended long tail wheel flaps up model will have attain airspeed well over stall become airborne Rud der control takeoff similar handling nose-draggers because good airflow over rudder full power Landings however different engine idling airflow over rud der poor final approach use rudder steer aileron cancel out crosswind must land wing low Once contact ground important stay rudder control extended tail wheel tail wheel will contact ground first pitch model slightly down will kill wings lift pro vide good contact steering As tail-dragging skills increase shorten tail wheel quicker takeoffs model tends porpoise landing lengthen tail wheel slightly use flaps during landing helps tremendously slowing plane improving its stall characteristics Construction Follow normal steps except following changes Wing top profile wing ribs must modified new spar slot cut per templates wing built instructions flat bot tom except leading edge can hung over edge work bench pinned ribs Note additional doublers have shown leading trailing edges leading edge sheeting extends farther out wing After building basic wing panels secondary lower spar partial span can added new bottom wing rib contours flap rigging flap well sheeting bottom leading edge sheeting can installed plastic wing tips supplied kit cannot used Build new balsa tips template shown Cut new ailerons 1-in balsa stock Taper inboard ends standard size tips after cutting plan shape taper bottom surface up thus providing washout tips Wing flaps Build flaps A6 ply wood /16 balsa infill An alternate method construction laminate two layers /32 balsa sheet grain bi ased 45 degrees fin stabilizer modified insetting /6-in hardwood dowels leading edges improve structural stiff ness Add rudder area shown Fuselage Decide whether want use beam engine mounts supplied kit radial mount Use radial mount will require doubling thickness 90 Model Aviation Addition dowel stock leading edge stabilizer above vertical fin right provides increased structural stiffness FULL-SIZE PLANS AVAILABLE . SEE PAGE 172I OOEO 32 PLY PROJEOTFO toELIC WINO TIPtoe enIIflIAMOIJIETZZVVZiZ OIJrLISELEOITONOALII BAlSA I3W YISWTI -ilr -BAj~ -S iIL NONONONNONNONBOO MN MNOREN MSMO MO Firewall Also decide want use right down thrust shown plan improve low-speed handling characteristics particularly during take off want optimize maxi mum speed engine set straight ahead use semi-inverted engine installation shown modifications plan fuel tank must located low fuselage After have built basic fuselage install engine preparation fair ing-in nose Attach new round nose former temporarily engine shaft leaving sufficient clearance spinner Fill around engine -in sheet balsa laminations Remove engine shape nose area falr box fuselage smoothly nose former Shape smooth engine compartment Recut maln landing gear slot 3 Vz forward kit location Fill original gear slot Trim landing gear side brackets tilt gear wire slightly foward install brackets new location Relocate rear wing hold-down dowel behind former improve rubberband holding geometry Add hard balsa wing seat fillers Install brass tube X0-in inside diameter rear fuselage epoxy bottom sheeting elevator mount After fuselage covered install adjustable tall wheel retalning soldered washers end brass tube Fabricate tail wheel control arm approx 020 brass solder tail wheel wire rig rudder servo use OS 25 FSR try 85-in diameter 5-in pitch propeller engine new expect develop full power until after considerable running time fine power plant improved roll rate higher speeds Screamin Eaglet will seem Continued page 167 Left center attention flap well note areas subject fuel seepage have pre-doped Right Author John Hunton readying flight cold weather August 1984 91 ---- -- -PLYWOOO IIYOGONOCET~itZZZZZiZ1tZZZVNZZXZVIFMLLONA BAIO*NFBNI________________________________ N PLY *16 SlIEST VItWEEY __ Y0P4 ___NOBONOENWING oW PAIIEONS 111111 SCREAM IN SPOON00 000000 IINEW 530 LE fi 111117]EAGLET Is00E -IIMATERIALE BA EN k1IMODIFICATIONS TO NEWI TOPPONTosaEAGLET SO SPORT TRAINER1/ VIEWTYPIC W/MOTIONNOONBY SNLAAICARL GOLDBERG MODELSINGIt FAIN IN NOSEPCYWOOOINN NE FRONT1/ NITY NEOIOB13NMONIFIOSTIONS NY 3000 OIINYON / NEINPONOEBENYNO UNSLENTEN BAFFLERINSEY S3IN WY BALSAOF FOtEWALL FORNONE N 00OSNER PUSELANENONELA TO 130 PLPNOOO FORMERIl IIIMOO OOWE III 3 1L5 IWI BOUNY FOELI aNOONS TIME IIIYANK LOW IIIIPONELONE NI5ROANWHEEL IIIVON SPINSEN7 LLENNYNEN TOILWOEEL IF MORELWUSIO0 LASS TENON YO PONPOINE ON LAANOINNWIRE 00 FAIR INSTOCE0EFT S GE V EWIIS YOPEN 01005LONOINONP YWOONNOONTEB POR NOICENA TONEOPOQ 30WOEEL MUFFLENNINE ON PEN ElYtOONN BEAN SF00NN3N WOEELSWING FLAP DETAIL NOTE TOE CRININOL EANLEY PIANO SHOW APPNOOONEEL SIZES NOOWN OONNTSNANT 000 0 OINOY YORUNT FOR BETTERNOON WELL ONE NNABN B D AA Profile Proto Eveat AA B D Jet None None No Juniors No Juniors Juniors unlimital amNo Juniors Restrictions None None No Seniors No Seniors No Seniors addition think 1984-1985 AMA rule book paragraph 17 Section 23 CL Speed needs revised add ing following sentence just before last sentence paragraph addi tion models should maintain flight alti tude generally above height pilots hand holding con trol handle last sentence paragraph would revised read Maintenance flight outside limits specified various classes one-half lap shall constitute foul still think need class limited specific engineand maybe specific plane wellfor beginners good job column Keep up good work Thats aD month Comments Ross letter should sent Gene Hempel 301 N Yale Dr Gar land TX 75042 Civy Boy CO-2ILidberg Continued page 84 copies over tissue cut out letters using metal straightedge guide sharp #11 X-Acto blade Adhere letters thinner applied small brush original Civy Boy 74 MAN article featured Atwood Triumph lettering wings under side thats model says Telco CO-2 dont work Telco free plug want encourage use CO-2 motors dont have install dethermal izer DT would shame lose model needlessly thermal Install dowel fuse snuffer tube wire hooks shown plan piece strong thread 008 012-in Control Line wire used limit string tail will pop up about 400 thread used sure wont contactthe fuse tail will pop off instead up Check over panel wing tail warps steam flat necessary Assemble model must balance wings TE adjustment move tank forward aft Small bits clay ballast may also used tank located correctly brace place make bond paper hatch cover Begin test glides / shim under stab TE bit thickness will probably needed good glide Move tail assembly around bit theres just hint left glide turn add some A6 sq /-in-long keys position stab platform Make sure keys glued stab stab still free pop up Try some low-power flights Civy Boy should climb gently right low setting wont theres warp rudder engine offset needs taken care Work up slowly power using throttle Most CO-2 models fly best using less full power Hope enjoy Civy Boy replica believe youll find relaxing rewarding type modeling Screamin EagletlHunton Continued page 91 much sensitive responsive compared stock kit Eaglet may want get experienced pilot help check out trim new model SofteelJohnson Continued page 95 everything built onto simplicity accuracy 3/8 sheet should cut roughly shape having traced plan carbon paper stabilizer-elevator assembly needs cut out sanded pre-hinged technique hinge centerlines dipped warmed Vaseline ad hesives paint wont stick assembled unit carefully placed over crutch properly aligned CyA-glued Use scraps 3/8 sheet make absolutely sure stab-eleva tor assembly level Pin crutch flat over drawing using extension lines locate position formers Lite Ply should have engine mounts epoxied time 5-mm epoxy assemble bulkheads sides over August1984 167 however will quickly become accli mated appreciative higherperformance variation IN STOCK FOR IMMEDIATE SHIPMENT New 30 CID QUADRA $19995 New 22 CID QUADRA $10950 Reg 22 QUADRA$9995 Brisighella Flywheel $1 1995 Reg 22 QUADRA POWER ASSEMBLY ONLY$6450 QUADRA REPAIR 1000 plus part Jim Messer ERCOUPEPLANS $2395 KIT $23996 Jim Mower TOMAHAWKPLANS $2396 KIT $39995 Jim Mower 8-BALL TRAINER PLANS $1896 KIT $9996 BALSA BASSWOOD loll sicesI 35% OFF Concept FLEET PLANS $2996 KIT $15996 COWL $1996 FLOATS 26115 scale core $1796 complete kit *3995 FLOATS 46'/ scale cores $2195 complete kit *4796 10 WWI WHEELS $3996 P&W CYLS FLEETM$2596 PLANS SUPER STEARMAN lGodfreyl $2896 STARDUSTER TOO IBrisighellal 1-3 CUB Nelit $3996 VOLKSPLANE IChicken Charliel $2396 COCKPIT KITS Tomahawk F4U1 Spitfire $2296 Ercoup $2096 Stearman $2296 Citabria $2496 J3 Cub $2196 ME-lU $2396 Fleet $2196 US Quadra FUEL TANKS16 oz $696 32 oz $796 FIBERGLASS ARROW SHAFTS 5/16s 32 long 61$1000 24IfourSenrIce. Add $250 postage Seed Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View gany NY 14706
Edition: Model Aviation - 1984/08
Page Numbers: 88, 89, 90, 91, 167
One nice things about r have fun ways autnor nas naa rewar t model kit Paired-in nose two-wheel landing gear 25 engine provide snappy performance structure has beefed-up sufficiently take higher loads result author architect profession designer National Center Aeromodeling THE EAGLET Carl Goldberg Models popular sport trainers market today good rea sons Eaglet very easy build elegant looking good solidflying sport trainer have progressed beyond trainer stage want build model higher performance capable inverted flight still simple build looks better nostal gic benttail-dragger lovers like Bill Winter instance build another Eaglet following modifications 1 Faired-in nose streamlining 2 Tail-dragger less drag weight 3 Enlarged rudder better ground han dling 4 Enlarged ailerons faster Left downward-slanted engine large spinner provide sleek installation Right Detail adjustable-length tail wheel wheel fully extended handling characteristics very similar standard tricycle gear 88 Model Aviation wing flaps fully extended view Deploying flaps will slow model considerably allow steeper glide Note text cautions however putting taking off action flaps photos Bernie Stuecker roll rate 5 Modified airfoil improved inverted flight 6 Wing flaps slower flight steeper glide 7 25 engine higher speeds steeper climbs 8 Beefed-up structure take higher G forces real joy flying Screamin Eaglet contrast between high-speed low-speed capabilities fast model 9 6 can perform large graceful maneuvers penetrate strong wind cover lot sky flaps down things change Wing flaps increase coefficient lift airfoil flaps down model will take off after shorter roll climb steeper angle glide steeper angle descent important suggested streamlining turn loop much tighter have improved stall characteristics flaps down can horse model off ground go through sharp turns little concern stall course better technique increase use rudder control vs ailerons low speeds turns cor rections especially during takeoff August 1984 89 Left Mounting detail servos flaps ailerons Above bottom view wing structure shows part airfoil mod ifications Trim off rib tops add rib bottoms after wing has built normal fashion spinner As shown nose has prepared firewall-type engine Left nose modified fair-in smoothly largemount Right The mounting angle chosen places muffler OS 25 FSR bottom-center fuselage Overall views wing top left bottom right show servo mounting additional sheeting extra-wide ailerons flap wells like modify kits guys tricks played Eaglet may lust cup tea forewarned application full flaps increases effective angle tack wing thus greatly affects trim pop flaps ready apply down-elevator flying very slowly Conversely take flaps off have plenty altitude speed because nose will tend drop have flown tail-dragger ideal model learning Carl Goldbergs basic design long slim plenty inertia about yaw rud der control axis Most fears tail-drag gers come experiences shortcoupled models isnt An adjust able-length tail wheel shown plan havent flown tail-dragger start tail wheel fully extended long tail wheel flaps up model will have attain airspeed well over stall become airborne Rud der control takeoff similar handling nose-draggers because good airflow over rudder full power Landings however different engine idling airflow over rud der poor final approach use rudder steer aileron cancel out crosswind must land wing low Once contact ground important stay rudder control extended tail wheel tail wheel will contact ground first pitch model slightly down will kill wings lift pro vide good contact steering As tail-dragging skills increase shorten tail wheel quicker takeoffs model tends porpoise landing lengthen tail wheel slightly use flaps during landing helps tremendously slowing plane improving its stall characteristics Construction Follow normal steps except following changes Wing top profile wing ribs must modified new spar slot cut per templates wing built instructions flat bot tom except leading edge can hung over edge work bench pinned ribs Note additional doublers have shown leading trailing edges leading edge sheeting extends farther out wing After building basic wing panels secondary lower spar partial span can added new bottom wing rib contours flap rigging flap well sheeting bottom leading edge sheeting can installed plastic wing tips supplied kit cannot used Build new balsa tips template shown Cut new ailerons 1-in balsa stock Taper inboard ends standard size tips after cutting plan shape taper bottom surface up thus providing washout tips Wing flaps Build flaps A6 ply wood /16 balsa infill An alternate method construction laminate two layers /32 balsa sheet grain bi ased 45 degrees fin stabilizer modified insetting /6-in hardwood dowels leading edges improve structural stiff ness Add rudder area shown Fuselage Decide whether want use beam engine mounts supplied kit radial mount Use radial mount will require doubling thickness 90 Model Aviation Addition dowel stock leading edge stabilizer above vertical fin right provides increased structural stiffness FULL-SIZE PLANS AVAILABLE . SEE PAGE 172I OOEO 32 PLY PROJEOTFO toELIC WINO TIPtoe enIIflIAMOIJIETZZVVZiZ OIJrLISELEOITONOALII BAlSA I3W YISWTI -ilr -BAj~ -S iIL NONONONNONNONBOO MN MNOREN MSMO MO Firewall Also decide want use right down thrust shown plan improve low-speed handling characteristics particularly during take off want optimize maxi mum speed engine set straight ahead use semi-inverted engine installation shown modifications plan fuel tank must located low fuselage After have built basic fuselage install engine preparation fair ing-in nose Attach new round nose former temporarily engine shaft leaving sufficient clearance spinner Fill around engine -in sheet balsa laminations Remove engine shape nose area falr box fuselage smoothly nose former Shape smooth engine compartment Recut maln landing gear slot 3 Vz forward kit location Fill original gear slot Trim landing gear side brackets tilt gear wire slightly foward install brackets new location Relocate rear wing hold-down dowel behind former improve rubberband holding geometry Add hard balsa wing seat fillers Install brass tube X0-in inside diameter rear fuselage epoxy bottom sheeting elevator mount After fuselage covered install adjustable tall wheel retalning soldered washers end brass tube Fabricate tail wheel control arm approx 020 brass solder tail wheel wire rig rudder servo use OS 25 FSR try 85-in diameter 5-in pitch propeller engine new expect develop full power until after considerable running time fine power plant improved roll rate higher speeds Screamin Eaglet will seem Continued page 167 Left center attention flap well note areas subject fuel seepage have pre-doped Right Author John Hunton readying flight cold weather August 1984 91 ---- -- -PLYWOOO IIYOGONOCET~itZZZZZiZ1tZZZVNZZXZVIFMLLONA BAIO*NFBNI________________________________ N PLY *16 SlIEST VItWEEY __ Y0P4 ___NOBONOENWING oW PAIIEONS 111111 SCREAM IN SPOON00 000000 IINEW 530 LE fi 111117]EAGLET Is00E -IIMATERIALE BA EN k1IMODIFICATIONS TO NEWI TOPPONTosaEAGLET SO SPORT TRAINER1/ VIEWTYPIC W/MOTIONNOONBY SNLAAICARL GOLDBERG MODELSINGIt FAIN IN NOSEPCYWOOOINN NE FRONT1/ NITY NEOIOB13NMONIFIOSTIONS NY 3000 OIINYON / NEINPONOEBENYNO UNSLENTEN BAFFLERINSEY S3IN WY BALSAOF FOtEWALL FORNONE N 00OSNER PUSELANENONELA TO 130 PLPNOOO FORMERIl IIIMOO OOWE III 3 1L5 IWI BOUNY FOELI aNOONS TIME IIIYANK LOW IIIIPONELONE NI5ROANWHEEL IIIVON SPINSEN7 LLENNYNEN TOILWOEEL IF MORELWUSIO0 LASS TENON YO PONPOINE ON LAANOINNWIRE 00 FAIR INSTOCE0EFT S GE V EWIIS YOPEN 01005LONOINONP YWOONNOONTEB POR NOICENA TONEOPOQ 30WOEEL MUFFLENNINE ON PEN ElYtOONN BEAN SF00NN3N WOEELSWING FLAP DETAIL NOTE TOE CRININOL EANLEY PIANO SHOW APPNOOONEEL SIZES NOOWN OONNTSNANT 000 0 OINOY YORUNT FOR BETTERNOON WELL ONE NNABN B D AA Profile Proto Eveat AA B D Jet None None No Juniors No Juniors Juniors unlimital amNo Juniors Restrictions None None No Seniors No Seniors No Seniors addition think 1984-1985 AMA rule book paragraph 17 Section 23 CL Speed needs revised add ing following sentence just before last sentence paragraph addi tion models should maintain flight alti tude generally above height pilots hand holding con trol handle last sentence paragraph would revised read Maintenance flight outside limits specified various classes one-half lap shall constitute foul still think need class limited specific engineand maybe specific plane wellfor beginners good job column Keep up good work Thats aD month Comments Ross letter should sent Gene Hempel 301 N Yale Dr Gar land TX 75042 Civy Boy CO-2ILidberg Continued page 84 copies over tissue cut out letters using metal straightedge guide sharp #11 X-Acto blade Adhere letters thinner applied small brush original Civy Boy 74 MAN article featured Atwood Triumph lettering wings under side thats model says Telco CO-2 dont work Telco free plug want encourage use CO-2 motors dont have install dethermal izer DT would shame lose model needlessly thermal Install dowel fuse snuffer tube wire hooks shown plan piece strong thread 008 012-in Control Line wire used limit string tail will pop up about 400 thread used sure wont contactthe fuse tail will pop off instead up Check over panel wing tail warps steam flat necessary Assemble model must balance wings TE adjustment move tank forward aft Small bits clay ballast may also used tank located correctly brace place make bond paper hatch cover Begin test glides / shim under stab TE bit thickness will probably needed good glide Move tail assembly around bit theres just hint left glide turn add some A6 sq /-in-long keys position stab platform Make sure keys glued stab stab still free pop up Try some low-power flights Civy Boy should climb gently right low setting wont theres warp rudder engine offset needs taken care Work up slowly power using throttle Most CO-2 models fly best using less full power Hope enjoy Civy Boy replica believe youll find relaxing rewarding type modeling Screamin EagletlHunton Continued page 91 much sensitive responsive compared stock kit Eaglet may want get experienced pilot help check out trim new model SofteelJohnson Continued page 95 everything built onto simplicity accuracy 3/8 sheet should cut roughly shape having traced plan carbon paper stabilizer-elevator assembly needs cut out sanded pre-hinged technique hinge centerlines dipped warmed Vaseline ad hesives paint wont stick assembled unit carefully placed over crutch properly aligned CyA-glued Use scraps 3/8 sheet make absolutely sure stab-eleva tor assembly level Pin crutch flat over drawing using extension lines locate position formers Lite Ply should have engine mounts epoxied time 5-mm epoxy assemble bulkheads sides over August1984 167 however will quickly become accli mated appreciative higherperformance variation IN STOCK FOR IMMEDIATE SHIPMENT New 30 CID QUADRA $19995 New 22 CID QUADRA $10950 Reg 22 QUADRA$9995 Brisighella Flywheel $1 1995 Reg 22 QUADRA POWER ASSEMBLY ONLY$6450 QUADRA REPAIR 1000 plus part Jim Messer ERCOUPEPLANS $2395 KIT $23996 Jim Mower TOMAHAWKPLANS $2396 KIT $39995 Jim Mower 8-BALL TRAINER PLANS $1896 KIT $9996 BALSA BASSWOOD loll sicesI 35% OFF Concept FLEET PLANS $2996 KIT $15996 COWL $1996 FLOATS 26115 scale core $1796 complete kit *3995 FLOATS 46'/ scale cores $2195 complete kit *4796 10 WWI WHEELS $3996 P&W CYLS FLEETM$2596 PLANS SUPER STEARMAN lGodfreyl $2896 STARDUSTER TOO IBrisighellal 1-3 CUB Nelit $3996 VOLKSPLANE IChicken Charliel $2396 COCKPIT KITS Tomahawk F4U1 Spitfire $2296 Ercoup $2096 Stearman $2296 Citabria $2496 J3 Cub $2196 ME-lU $2396 Fleet $2196 US Quadra FUEL TANKS16 oz $696 32 oz $796 FIBERGLASS ARROW SHAFTS 5/16s 32 long 61$1000 24IfourSenrIce. Add $250 postage Seed Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View gany NY 14706
Edition: Model Aviation - 1984/08
Page Numbers: 88, 89, 90, 91, 167
One nice things about r have fun ways autnor nas naa rewar t model kit Paired-in nose two-wheel landing gear 25 engine provide snappy performance structure has beefed-up sufficiently take higher loads result author architect profession designer National Center Aeromodeling THE EAGLET Carl Goldberg Models popular sport trainers market today good rea sons Eaglet very easy build elegant looking good solidflying sport trainer have progressed beyond trainer stage want build model higher performance capable inverted flight still simple build looks better nostal gic benttail-dragger lovers like Bill Winter instance build another Eaglet following modifications 1 Faired-in nose streamlining 2 Tail-dragger less drag weight 3 Enlarged rudder better ground han dling 4 Enlarged ailerons faster Left downward-slanted engine large spinner provide sleek installation Right Detail adjustable-length tail wheel wheel fully extended handling characteristics very similar standard tricycle gear 88 Model Aviation wing flaps fully extended view Deploying flaps will slow model considerably allow steeper glide Note text cautions however putting taking off action flaps photos Bernie Stuecker roll rate 5 Modified airfoil improved inverted flight 6 Wing flaps slower flight steeper glide 7 25 engine higher speeds steeper climbs 8 Beefed-up structure take higher G forces real joy flying Screamin Eaglet contrast between high-speed low-speed capabilities fast model 9 6 can perform large graceful maneuvers penetrate strong wind cover lot sky flaps down things change Wing flaps increase coefficient lift airfoil flaps down model will take off after shorter roll climb steeper angle glide steeper angle descent important suggested streamlining turn loop much tighter have improved stall characteristics flaps down can horse model off ground go through sharp turns little concern stall course better technique increase use rudder control vs ailerons low speeds turns cor rections especially during takeoff August 1984 89 Left Mounting detail servos flaps ailerons Above bottom view wing structure shows part airfoil mod ifications Trim off rib tops add rib bottoms after wing has built normal fashion spinner As shown nose has prepared firewall-type engine Left nose modified fair-in smoothly largemount Right The mounting angle chosen places muffler OS 25 FSR bottom-center fuselage Overall views wing top left bottom right show servo mounting additional sheeting extra-wide ailerons flap wells like modify kits guys tricks played Eaglet may lust cup tea forewarned application full flaps increases effective angle tack wing thus greatly affects trim pop flaps ready apply down-elevator flying very slowly Conversely take flaps off have plenty altitude speed because nose will tend drop have flown tail-dragger ideal model learning Carl Goldbergs basic design long slim plenty inertia about yaw rud der control axis Most fears tail-drag gers come experiences shortcoupled models isnt An adjust able-length tail wheel shown plan havent flown tail-dragger start tail wheel fully extended long tail wheel flaps up model will have attain airspeed well over stall become airborne Rud der control takeoff similar handling nose-draggers because good airflow over rudder full power Landings however different engine idling airflow over rud der poor final approach use rudder steer aileron cancel out crosswind must land wing low Once contact ground important stay rudder control extended tail wheel tail wheel will contact ground first pitch model slightly down will kill wings lift pro vide good contact steering As tail-dragging skills increase shorten tail wheel quicker takeoffs model tends porpoise landing lengthen tail wheel slightly use flaps during landing helps tremendously slowing plane improving its stall characteristics Construction Follow normal steps except following changes Wing top profile wing ribs must modified new spar slot cut per templates wing built instructions flat bot tom except leading edge can hung over edge work bench pinned ribs Note additional doublers have shown leading trailing edges leading edge sheeting extends farther out wing After building basic wing panels secondary lower spar partial span can added new bottom wing rib contours flap rigging flap well sheeting bottom leading edge sheeting can installed plastic wing tips supplied kit cannot used Build new balsa tips template shown Cut new ailerons 1-in balsa stock Taper inboard ends standard size tips after cutting plan shape taper bottom surface up thus providing washout tips Wing flaps Build flaps A6 ply wood /16 balsa infill An alternate method construction laminate two layers /32 balsa sheet grain bi ased 45 degrees fin stabilizer modified insetting /6-in hardwood dowels leading edges improve structural stiff ness Add rudder area shown Fuselage Decide whether want use beam engine mounts supplied kit radial mount Use radial mount will require doubling thickness 90 Model Aviation Addition dowel stock leading edge stabilizer above vertical fin right provides increased structural stiffness FULL-SIZE PLANS AVAILABLE . SEE PAGE 172I OOEO 32 PLY PROJEOTFO toELIC WINO TIPtoe enIIflIAMOIJIETZZVVZiZ OIJrLISELEOITONOALII BAlSA I3W YISWTI -ilr -BAj~ -S iIL NONONONNONNONBOO MN MNOREN MSMO MO Firewall Also decide want use right down thrust shown plan improve low-speed handling characteristics particularly during take off want optimize maxi mum speed engine set straight ahead use semi-inverted engine installation shown modifications plan fuel tank must located low fuselage After have built basic fuselage install engine preparation fair ing-in nose Attach new round nose former temporarily engine shaft leaving sufficient clearance spinner Fill around engine -in sheet balsa laminations Remove engine shape nose area falr box fuselage smoothly nose former Shape smooth engine compartment Recut maln landing gear slot 3 Vz forward kit location Fill original gear slot Trim landing gear side brackets tilt gear wire slightly foward install brackets new location Relocate rear wing hold-down dowel behind former improve rubberband holding geometry Add hard balsa wing seat fillers Install brass tube X0-in inside diameter rear fuselage epoxy bottom sheeting elevator mount After fuselage covered install adjustable tall wheel retalning soldered washers end brass tube Fabricate tail wheel control arm approx 020 brass solder tail wheel wire rig rudder servo use OS 25 FSR try 85-in diameter 5-in pitch propeller engine new expect develop full power until after considerable running time fine power plant improved roll rate higher speeds Screamin Eaglet will seem Continued page 167 Left center attention flap well note areas subject fuel seepage have pre-doped Right Author John Hunton readying flight cold weather August 1984 91 ---- -- -PLYWOOO IIYOGONOCET~itZZZZZiZ1tZZZVNZZXZVIFMLLONA BAIO*NFBNI________________________________ N PLY *16 SlIEST VItWEEY __ Y0P4 ___NOBONOENWING oW PAIIEONS 111111 SCREAM IN SPOON00 000000 IINEW 530 LE fi 111117]EAGLET Is00E -IIMATERIALE BA EN k1IMODIFICATIONS TO NEWI TOPPONTosaEAGLET SO SPORT TRAINER1/ VIEWTYPIC W/MOTIONNOONBY SNLAAICARL GOLDBERG MODELSINGIt FAIN IN NOSEPCYWOOOINN NE FRONT1/ NITY NEOIOB13NMONIFIOSTIONS NY 3000 OIINYON / NEINPONOEBENYNO UNSLENTEN BAFFLERINSEY S3IN WY BALSAOF FOtEWALL FORNONE N 00OSNER PUSELANENONELA TO 130 PLPNOOO FORMERIl IIIMOO OOWE III 3 1L5 IWI BOUNY FOELI aNOONS TIME IIIYANK LOW IIIIPONELONE NI5ROANWHEEL IIIVON SPINSEN7 LLENNYNEN TOILWOEEL IF MORELWUSIO0 LASS TENON YO PONPOINE ON LAANOINNWIRE 00 FAIR INSTOCE0EFT S GE V EWIIS YOPEN 01005LONOINONP YWOONNOONTEB POR NOICENA TONEOPOQ 30WOEEL MUFFLENNINE ON PEN ElYtOONN BEAN SF00NN3N WOEELSWING FLAP DETAIL NOTE TOE CRININOL EANLEY PIANO SHOW APPNOOONEEL SIZES NOOWN OONNTSNANT 000 0 OINOY YORUNT FOR BETTERNOON WELL ONE NNABN B D AA Profile Proto Eveat AA B D Jet None None No Juniors No Juniors Juniors unlimital amNo Juniors Restrictions None None No Seniors No Seniors No Seniors addition think 1984-1985 AMA rule book paragraph 17 Section 23 CL Speed needs revised add ing following sentence just before last sentence paragraph addi tion models should maintain flight alti tude generally above height pilots hand holding con trol handle last sentence paragraph would revised read Maintenance flight outside limits specified various classes one-half lap shall constitute foul still think need class limited specific engineand maybe specific plane wellfor beginners good job column Keep up good work Thats aD month Comments Ross letter should sent Gene Hempel 301 N Yale Dr Gar land TX 75042 Civy Boy CO-2ILidberg Continued page 84 copies over tissue cut out letters using metal straightedge guide sharp #11 X-Acto blade Adhere letters thinner applied small brush original Civy Boy 74 MAN article featured Atwood Triumph lettering wings under side thats model says Telco CO-2 dont work Telco free plug want encourage use CO-2 motors dont have install dethermal izer DT would shame lose model needlessly thermal Install dowel fuse snuffer tube wire hooks shown plan piece strong thread 008 012-in Control Line wire used limit string tail will pop up about 400 thread used sure wont contactthe fuse tail will pop off instead up Check over panel wing tail warps steam flat necessary Assemble model must balance wings TE adjustment move tank forward aft Small bits clay ballast may also used tank located correctly brace place make bond paper hatch cover Begin test glides / shim under stab TE bit thickness will probably needed good glide Move tail assembly around bit theres just hint left glide turn add some A6 sq /-in-long keys position stab platform Make sure keys glued stab stab still free pop up Try some low-power flights Civy Boy should climb gently right low setting wont theres warp rudder engine offset needs taken care Work up slowly power using throttle Most CO-2 models fly best using less full power Hope enjoy Civy Boy replica believe youll find relaxing rewarding type modeling Screamin EagletlHunton Continued page 91 much sensitive responsive compared stock kit Eaglet may want get experienced pilot help check out trim new model SofteelJohnson Continued page 95 everything built onto simplicity accuracy 3/8 sheet should cut roughly shape having traced plan carbon paper stabilizer-elevator assembly needs cut out sanded pre-hinged technique hinge centerlines dipped warmed Vaseline ad hesives paint wont stick assembled unit carefully placed over crutch properly aligned CyA-glued Use scraps 3/8 sheet make absolutely sure stab-eleva tor assembly level Pin crutch flat over drawing using extension lines locate position formers Lite Ply should have engine mounts epoxied time 5-mm epoxy assemble bulkheads sides over August1984 167 however will quickly become accli mated appreciative higherperformance variation IN STOCK FOR IMMEDIATE SHIPMENT New 30 CID QUADRA $19995 New 22 CID QUADRA $10950 Reg 22 QUADRA$9995 Brisighella Flywheel $1 1995 Reg 22 QUADRA POWER ASSEMBLY ONLY$6450 QUADRA REPAIR 1000 plus part Jim Messer ERCOUPEPLANS $2395 KIT $23996 Jim Mower TOMAHAWKPLANS $2396 KIT $39995 Jim Mower 8-BALL TRAINER PLANS $1896 KIT $9996 BALSA BASSWOOD loll sicesI 35% OFF Concept FLEET PLANS $2996 KIT $15996 COWL $1996 FLOATS 26115 scale core $1796 complete kit *3995 FLOATS 46'/ scale cores $2195 complete kit *4796 10 WWI WHEELS $3996 P&W CYLS FLEETM$2596 PLANS SUPER STEARMAN lGodfreyl $2896 STARDUSTER TOO IBrisighellal 1-3 CUB Nelit $3996 VOLKSPLANE IChicken Charliel $2396 COCKPIT KITS Tomahawk F4U1 Spitfire $2296 Ercoup $2096 Stearman $2296 Citabria $2496 J3 Cub $2196 ME-lU $2396 Fleet $2196 US Quadra FUEL TANKS16 oz $696 32 oz $796 FIBERGLASS ARROW SHAFTS 5/16s 32 long 61$1000 24IfourSenrIce. Add $250 postage Seed Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View gany NY 14706
Edition: Model Aviation - 1984/08
Page Numbers: 88, 89, 90, 91, 167
One nice things about r have fun ways autnor nas naa rewar t model kit Paired-in nose two-wheel landing gear 25 engine provide snappy performance structure has beefed-up sufficiently take higher loads result author architect profession designer National Center Aeromodeling THE EAGLET Carl Goldberg Models popular sport trainers market today good rea sons Eaglet very easy build elegant looking good solidflying sport trainer have progressed beyond trainer stage want build model higher performance capable inverted flight still simple build looks better nostal gic benttail-dragger lovers like Bill Winter instance build another Eaglet following modifications 1 Faired-in nose streamlining 2 Tail-dragger less drag weight 3 Enlarged rudder better ground han dling 4 Enlarged ailerons faster Left downward-slanted engine large spinner provide sleek installation Right Detail adjustable-length tail wheel wheel fully extended handling characteristics very similar standard tricycle gear 88 Model Aviation wing flaps fully extended view Deploying flaps will slow model considerably allow steeper glide Note text cautions however putting taking off action flaps photos Bernie Stuecker roll rate 5 Modified airfoil improved inverted flight 6 Wing flaps slower flight steeper glide 7 25 engine higher speeds steeper climbs 8 Beefed-up structure take higher G forces real joy flying Screamin Eaglet contrast between high-speed low-speed capabilities fast model 9 6 can perform large graceful maneuvers penetrate strong wind cover lot sky flaps down things change Wing flaps increase coefficient lift airfoil flaps down model will take off after shorter roll climb steeper angle glide steeper angle descent important suggested streamlining turn loop much tighter have improved stall characteristics flaps down can horse model off ground go through sharp turns little concern stall course better technique increase use rudder control vs ailerons low speeds turns cor rections especially during takeoff August 1984 89 Left Mounting detail servos flaps ailerons Above bottom view wing structure shows part airfoil mod ifications Trim off rib tops add rib bottoms after wing has built normal fashion spinner As shown nose has prepared firewall-type engine Left nose modified fair-in smoothly largemount Right The mounting angle chosen places muffler OS 25 FSR bottom-center fuselage Overall views wing top left bottom right show servo mounting additional sheeting extra-wide ailerons flap wells like modify kits guys tricks played Eaglet may lust cup tea forewarned application full flaps increases effective angle tack wing thus greatly affects trim pop flaps ready apply down-elevator flying very slowly Conversely take flaps off have plenty altitude speed because nose will tend drop have flown tail-dragger ideal model learning Carl Goldbergs basic design long slim plenty inertia about yaw rud der control axis Most fears tail-drag gers come experiences shortcoupled models isnt An adjust able-length tail wheel shown plan havent flown tail-dragger start tail wheel fully extended long tail wheel flaps up model will have attain airspeed well over stall become airborne Rud der control takeoff similar handling nose-draggers because good airflow over rudder full power Landings however different engine idling airflow over rud der poor final approach use rudder steer aileron cancel out crosswind must land wing low Once contact ground important stay rudder control extended tail wheel tail wheel will contact ground first pitch model slightly down will kill wings lift pro vide good contact steering As tail-dragging skills increase shorten tail wheel quicker takeoffs model tends porpoise landing lengthen tail wheel slightly use flaps during landing helps tremendously slowing plane improving its stall characteristics Construction Follow normal steps except following changes Wing top profile wing ribs must modified new spar slot cut per templates wing built instructions flat bot tom except leading edge can hung over edge work bench pinned ribs Note additional doublers have shown leading trailing edges leading edge sheeting extends farther out wing After building basic wing panels secondary lower spar partial span can added new bottom wing rib contours flap rigging flap well sheeting bottom leading edge sheeting can installed plastic wing tips supplied kit cannot used Build new balsa tips template shown Cut new ailerons 1-in balsa stock Taper inboard ends standard size tips after cutting plan shape taper bottom surface up thus providing washout tips Wing flaps Build flaps A6 ply wood /16 balsa infill An alternate method construction laminate two layers /32 balsa sheet grain bi ased 45 degrees fin stabilizer modified insetting /6-in hardwood dowels leading edges improve structural stiff ness Add rudder area shown Fuselage Decide whether want use beam engine mounts supplied kit radial mount Use radial mount will require doubling thickness 90 Model Aviation Addition dowel stock leading edge stabilizer above vertical fin right provides increased structural stiffness FULL-SIZE PLANS AVAILABLE . SEE PAGE 172I OOEO 32 PLY PROJEOTFO toELIC WINO TIPtoe enIIflIAMOIJIETZZVVZiZ OIJrLISELEOITONOALII BAlSA I3W YISWTI -ilr -BAj~ -S iIL NONONONNONNONBOO MN MNOREN MSMO MO Firewall Also decide want use right down thrust shown plan improve low-speed handling characteristics particularly during take off want optimize maxi mum speed engine set straight ahead use semi-inverted engine installation shown modifications plan fuel tank must located low fuselage After have built basic fuselage install engine preparation fair ing-in nose Attach new round nose former temporarily engine shaft leaving sufficient clearance spinner Fill around engine -in sheet balsa laminations Remove engine shape nose area falr box fuselage smoothly nose former Shape smooth engine compartment Recut maln landing gear slot 3 Vz forward kit location Fill original gear slot Trim landing gear side brackets tilt gear wire slightly foward install brackets new location Relocate rear wing hold-down dowel behind former improve rubberband holding geometry Add hard balsa wing seat fillers Install brass tube X0-in inside diameter rear fuselage epoxy bottom sheeting elevator mount After fuselage covered install adjustable tall wheel retalning soldered washers end brass tube Fabricate tail wheel control arm approx 020 brass solder tail wheel wire rig rudder servo use OS 25 FSR try 85-in diameter 5-in pitch propeller engine new expect develop full power until after considerable running time fine power plant improved roll rate higher speeds Screamin Eaglet will seem Continued page 167 Left center attention flap well note areas subject fuel seepage have pre-doped Right Author John Hunton readying flight cold weather August 1984 91 ---- -- -PLYWOOO IIYOGONOCET~itZZZZZiZ1tZZZVNZZXZVIFMLLONA BAIO*NFBNI________________________________ N PLY *16 SlIEST VItWEEY __ Y0P4 ___NOBONOENWING oW PAIIEONS 111111 SCREAM IN SPOON00 000000 IINEW 530 LE fi 111117]EAGLET Is00E -IIMATERIALE BA EN k1IMODIFICATIONS TO NEWI TOPPONTosaEAGLET SO SPORT TRAINER1/ VIEWTYPIC W/MOTIONNOONBY SNLAAICARL GOLDBERG MODELSINGIt FAIN IN NOSEPCYWOOOINN NE FRONT1/ NITY NEOIOB13NMONIFIOSTIONS NY 3000 OIINYON / NEINPONOEBENYNO UNSLENTEN BAFFLERINSEY S3IN WY BALSAOF FOtEWALL FORNONE N 00OSNER PUSELANENONELA TO 130 PLPNOOO FORMERIl IIIMOO OOWE III 3 1L5 IWI BOUNY FOELI aNOONS TIME IIIYANK LOW IIIIPONELONE NI5ROANWHEEL IIIVON SPINSEN7 LLENNYNEN TOILWOEEL IF MORELWUSIO0 LASS TENON YO PONPOINE ON LAANOINNWIRE 00 FAIR INSTOCE0EFT S GE V EWIIS YOPEN 01005LONOINONP YWOONNOONTEB POR NOICENA TONEOPOQ 30WOEEL MUFFLENNINE ON PEN ElYtOONN BEAN SF00NN3N WOEELSWING FLAP DETAIL NOTE TOE CRININOL EANLEY PIANO SHOW APPNOOONEEL SIZES NOOWN OONNTSNANT 000 0 OINOY YORUNT FOR BETTERNOON WELL ONE NNABN B D AA Profile Proto Eveat AA B D Jet None None No Juniors No Juniors Juniors unlimital amNo Juniors Restrictions None None No Seniors No Seniors No Seniors addition think 1984-1985 AMA rule book paragraph 17 Section 23 CL Speed needs revised add ing following sentence just before last sentence paragraph addi tion models should maintain flight alti tude generally above height pilots hand holding con trol handle last sentence paragraph would revised read Maintenance flight outside limits specified various classes one-half lap shall constitute foul still think need class limited specific engineand maybe specific plane wellfor beginners good job column Keep up good work Thats aD month Comments Ross letter should sent Gene Hempel 301 N Yale Dr Gar land TX 75042 Civy Boy CO-2ILidberg Continued page 84 copies over tissue cut out letters using metal straightedge guide sharp #11 X-Acto blade Adhere letters thinner applied small brush original Civy Boy 74 MAN article featured Atwood Triumph lettering wings under side thats model says Telco CO-2 dont work Telco free plug want encourage use CO-2 motors dont have install dethermal izer DT would shame lose model needlessly thermal Install dowel fuse snuffer tube wire hooks shown plan piece strong thread 008 012-in Control Line wire used limit string tail will pop up about 400 thread used sure wont contactthe fuse tail will pop off instead up Check over panel wing tail warps steam flat necessary Assemble model must balance wings TE adjustment move tank forward aft Small bits clay ballast may also used tank located correctly brace place make bond paper hatch cover Begin test glides / shim under stab TE bit thickness will probably needed good glide Move tail assembly around bit theres just hint left glide turn add some A6 sq /-in-long keys position stab platform Make sure keys glued stab stab still free pop up Try some low-power flights Civy Boy should climb gently right low setting wont theres warp rudder engine offset needs taken care Work up slowly power using throttle Most CO-2 models fly best using less full power Hope enjoy Civy Boy replica believe youll find relaxing rewarding type modeling Screamin EagletlHunton Continued page 91 much sensitive responsive compared stock kit Eaglet may want get experienced pilot help check out trim new model SofteelJohnson Continued page 95 everything built onto simplicity accuracy 3/8 sheet should cut roughly shape having traced plan carbon paper stabilizer-elevator assembly needs cut out sanded pre-hinged technique hinge centerlines dipped warmed Vaseline ad hesives paint wont stick assembled unit carefully placed over crutch properly aligned CyA-glued Use scraps 3/8 sheet make absolutely sure stab-eleva tor assembly level Pin crutch flat over drawing using extension lines locate position formers Lite Ply should have engine mounts epoxied time 5-mm epoxy assemble bulkheads sides over August1984 167 however will quickly become accli mated appreciative higherperformance variation IN STOCK FOR IMMEDIATE SHIPMENT New 30 CID QUADRA $19995 New 22 CID QUADRA $10950 Reg 22 QUADRA$9995 Brisighella Flywheel $1 1995 Reg 22 QUADRA POWER ASSEMBLY ONLY$6450 QUADRA REPAIR 1000 plus part Jim Messer ERCOUPEPLANS $2395 KIT $23996 Jim Mower TOMAHAWKPLANS $2396 KIT $39995 Jim Mower 8-BALL TRAINER PLANS $1896 KIT $9996 BALSA BASSWOOD loll sicesI 35% OFF Concept FLEET PLANS $2996 KIT $15996 COWL $1996 FLOATS 26115 scale core $1796 complete kit *3995 FLOATS 46'/ scale cores $2195 complete kit *4796 10 WWI WHEELS $3996 P&W CYLS FLEETM$2596 PLANS SUPER STEARMAN lGodfreyl $2896 STARDUSTER TOO IBrisighellal 1-3 CUB Nelit $3996 VOLKSPLANE IChicken Charliel $2396 COCKPIT KITS Tomahawk F4U1 Spitfire $2296 Ercoup $2096 Stearman $2296 Citabria $2496 J3 Cub $2196 ME-lU $2396 Fleet $2196 US Quadra FUEL TANKS16 oz $696 32 oz $796 FIBERGLASS ARROW SHAFTS 5/16s 32 long 61$1000 24IfourSenrIce. Add $250 postage Seed Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View gany NY 14706