Scaled one-half inch foot generous wing affords 140 sq area about ideal Class Carrier jobs have wing flaps Short Seamew Much overlooked British Naval aircraft offers unique features distinctive performance Class Navy Carrier event powered Supertigre G40 engine Richard L Perry ONE OF THE MOST enjoyable aspects scale Navy Carrier events looking suitable subjects model few years ago search carrier-based aircraft turned up Short Seamew appeared good prospect Carrier event feature appealed Seamew unusual shape forward fuselage allows semicowled rat racer type engine stallation minimum frontal area Seamew manufactured Short Brothers Harland Ltd British Royal Navy first prototype flew August 1953 followed produc tion versions modified slightly original configuration pro duction Seamews slightly di hedral leading edge slots improve aileron control vented fillet horizontal stabilizer improve elevator rudder effectiveness Seamew presented first prototype flew radome wing elevator slots model scaled approximately half inch foot scale selected give gross wing area 140 square inches consider optimum size Class models flaps fuselage width increased five percent fit around Supertigre G40 engine plan use smaller engine wider fuselage recommended provide room Roberts bellcrank Other deviations exact scale clude dihedral production aircraft 2Y2 degrees dihedral outboard wing folding hinge washout three degrees greatly reduces effect Pictures three-views first proto type show less dihedral wing can built upper surface essentially flat easily comply rule require ments Exact procedures described later navigators canopy partially open provide outlet engine cool ing air area around engine shaft cut away within one-quarter inch allowed provide engine cooling take air scale Carrier classes handi capped somewhat because very few suitable kits marketparticu larly Class I think adds variety event does mean building scratch plans almost man datory really problem anyone good background build ing kit airplanes can seem like formidable obstacle someone hasnt tried reason have tried write article much like set structions might find kit have tried cover potential problem areas detail make Seamew painless first effort Seamew good competition air plane handles well wind quite stable flaps up down High speed performance will vary engine used therefore no point making claims area Low speed times over 75 seconds less 24mph easy Seamew capable competing quite successfully local contests good RC 40 first step construction job become thoroughly familiar plans construction sequence After getting good mental picture parts needed relation another sit down make kit Cut out parts mark felt-tip pen put 14 Model Aviation box procedure much quicker cutting piece needed balsa used model should light six-pound contest balsa except wing leading edge fuselage sides 3/32 x 4 x 36 sheet fuse lage sides should weigh two 2 oz local dealer cannot supply balsa basswood plywood wing skins can ordered Sig Mfg Co list wood required appears end article original Seamew used home-made tank tight fit area under bellcrank mount design has modified use round Dons Rat Race tank Modify tank shown plans After modification check leaks plugging tubes immersing tank water pressurizing large fuel bulb Resolder points bubbles appear inside tank should rinsed baking soda water neutralize flux might have entered tank Rinse alcohol remove water put some oil tank prevent rust wire parts bent soldered time joints between wire parts should wrapped copper wire soldered hard solder Fine copper wire inexpensive easy obtain stripping short length electrical lamp cord prefer use glue such Titebond balsa joints because its flexibility Use epoxy hardwood joints First attach spar joiner F2 Attach leadouts pushrods bellcrank attach bellcrank landing gear block bellcrank mount Assemble tailhook mount around tailhook bearing Drill engine mounts install blind nuts fuselage now may assembled using hollowed-out bottom block base Proceed following order tank F F2 bellcrank mount engine bearers braces Temporarily install engine check throttle movement Attach F3 mount tailhook add flap actuating rod flap horns attached flap horns attached fuselage until after fuselage sides rear wing spars added fuselage assembly now secured building board using ing blocks provide clearance fuel filler tubes tailhook Wing alignment measurements include ing Add top filler block F4 3/32 tubing hook release wire Later construction will simplified fuselage sides formed proper contour time Soak both sides warm water about 15 minutes Use rubber bands pins clothespins hold sides place fuselage Clamp leading trailing edges vertical stabilizer together being sure include F5 parts dry glue right fuselage side place add rib W2 F5 FIO Connect elevator horn andThe right rear spar added now using mark elevator hinge line referencethe measurements shown plan Adjust elevator travel minimum 30alignment Glue flap horn bearing degrees up 15 degrees down lowthis time add bearing support F 11 throttlecontinued page 18 July1975 15 Above nose slope long canopy snugly take Supertigre G40 engine air outlet cool engine via partly open real cockpit Below Decks eyeview model shows deck engagement hook down position Note three leadoutsdue Roberts crank Fit fuselage top place temporarily glue F6 through F9 using waxed paper avoid gluing fuselage top permanently Remove fuselage top attach left fuselage side spar same manner right Secure flap horn remove assembly board check flap travel 40 45 degrees entire control system Re turn model building board install fuselage top Add /z balsa leading edges must flat bottom edge ribs W7 Adjust LE measurements shown plan Add ribs W3 through W6 trailing edge pieces being sure align bottom ribs bottom LE Install flap blanks hinges sure tailhook latched up wing leading edges trailing edges carved shape time pin through rear spar flap will help secure operation Remove pin before covering wing 1/64 plywood wing covering next Use epoxy sparingly doesnt 18 Model Aviation evaporate Titebond its equivalent will work makes plywood expand slightly can cause some troubles Fit pieces carefully best cover flaps separately use caution avoid get ting glue flap hinges Attach top surface first curing put stabilizer checking level table Invert model block tips prevent warps apply bottom sheeting Dont forget tip weight Now add tips Assemble cowl rear canopy sec tion /t sheet soft block Saw outline shape spot glue fuselage fuselage may now carved sanded final shape Hollow nose blocks install engine check final fit cowl may no clearance around engine parts cowl held screw through blind nut brass bracket se cured engine Add elevators top ver tical stabilizer drill necessary clearance screw holes landing gear use heavy Dacron thread figureeight type hinge elevators install hinges until after finishing model nylon hinges substitute 3/16 balsa /8 basswood tail surfaces Go around flaps razor blade sure free Seamew ready finish use epoxy finish models cause its fuel-proof qualities extra dark sea grey mixture dark green black sky lower surfaces painted mixture white small amount green added insignia cut trim Monokote used inch 3/16 inch press-on lettering wing fuselage markings Examples other Royal Navy color schemes can obtained number publications modelers discouraged trying scale Carrier classes because complexity fuel metering ex haust slide throttling setups few years ago devices becoming easier obtain really difficult adjust necessary good performance pressurized fuel system continued page 75 Closeup nose showing outlines removable cowl-hatchIn rear-quarter shot wing flaps elevators stand Out clearly Short Seamew Below Better thousand words plc mockup especially made illustrate hardware Sturdy main pushrod flippers well-up finclearly visible Study gadg etry operates tail hookand mount ing three-line bellcrank PROP-LOC IS HERE b4 prop need never come loose again / Ceign \-patents pending After years living problem props coming loose flipping ground shifting low high air can finally forget problems solved Pylon Brand Prop-Loc Hi-Tork Spinners Spinner-ettes popular sizes dealers shelves now Wait till see Youll agree Prop-Loc best way ever devised solve annoyingand sometimes costlyproblem once PROP-LOC HI-TORK SPINNER* Features aluminum nylon construction Provides smoother idle Nylon spinner cone available 2 21/i 2112 2 white black red $125 Prop-bc hard ware kit available e24 1/428 6 mm 7 mm threads $175 PROP-LOC SPINNERE1TE* new look spinners featuring two-piece aluminum Available iR-24 5/4 286 mm 7 mm threads $185 complete COMING shapes sizes including die cast metal 535 Davisville Rd Willow Grove Pa NIb2151 659-3900 SULLIVAN PRODUCTS I~igago Short Seamew continued page 18 run Supertigre G40 engines stock Supertigre pressure carburetor using timed pressure tap addition make add check valve pressure line available George Aldrich obtain pressure idle quite few throttles available have necessary fuel metering built handle pressure numerous commercial fuels market highly competi tive have used K&B Speed Fuel RO-GO 58 percent fuel good results Any increase performance homebrew small worth trouble correct propeller will vary engine-plane combination next use Rev-Up 9-7 cut down 8 inch diameter good results Other popular sizes Class 8-8 9-7 general lower pitch props blade area will better heavier models lighter ones can use higher pitch props hurting acceleration Experimen tation good way determine prop best particular model careful building plenty sand paper during finishing Seamew can weigh 28 30 oz depending engine Practice important competing suc cessfully Carrier Get know en gine capabilities airplane advantages practicing slow flight landings obvious high speed portion flight ig noredparticularly take-off High speed weighted quite heavily Carrier name game acceleration Climbing above six-foot altitude hurts acceleration half lap plane 20 feet will least five mph slower same plane five feet deck plenty long enough get airborne using up elevator zooming off deck will hurt acceleration adding drag gaining excessive altitude will happy hear 5016 Angelita Ave Dayton Ohio 45424 con cerning Seamew other Carrier subject hope have tempted try Class Carrier Good luck may landings 100 points References Janes Worlds Aircraft L Bridgemen editor McGraw-Hill Book Com pany Inc New York 1954-1955 19551956 1956-1957 Worlds Fighting Planes W Green G Pollinger MacDonald Co Ltd London 1956 WOOD REQUIRED qty size 1 12 X 48 X 1/64 plywood wing skins 13/32 X 4 X 36 medium light balsa 23/8 X 3 X 36 light balsa 11/8 X 3 X 24 basswood 11/2 x 1/2 x 36 medium-hard balsa Small quantities 3/8 basswood 3/16 balsa 3/32 ply wood 3/8 X 1/2 maple PEANUT SCALE _N~LICiAEEW MOLDED CANOPY MOOED CANOP ZEROP 51 MusTANG 3 N SPAN 3 N SPANPNES P NUA & :OS HOLDS WORLDS RECCRIIJ NESMITH COUGER IN SPAN P-NUT ANDREASON BAA-B N SPAN PNUIKITS $349 EACH h/yawrs RUBBER POWERED FLYING flODELS KITS S SSORIES OTHER PEANUT SCALE KITS PIETENPOL AIR cAMPER S MIS DRUINE TURBULENT R i3 CUB KITS $329 EACH STRINGLESS WONDERKIT $249 IF SITS ARE NOT AVAIEAREE AT YOUR EEAEEC ORDER DIRECT ADD 35 FOE POSTAGE NOWI COMPLETE SELECTION OF OVER 85 PEANS AND DCAWINDS PROM W C HANNAN GRAPHICS AESOHUNGERFORD WHEELS PLASTIC PROPS LEE WW-I PNUT KITS N REARIMG5 NEW 75 cArALOG 255 HARD TO FIND ACCESSORIES SITS AND PLANS FOR CURSER POWERED MODELS X 2498 -AMALA MESA CALIF 92041 PHONE lY14l 469R675 July1975 75 I I I I I I I i I I I I I I / Prices subject ts change sotice II yoo love rae yooll really love orany ifhv ,relic labor aSraaSo add th aroU 4 aa'-- hobby e no Nb ma look / 7 nenohot rqsly today
Edition: Model Aviation - 1975/07
Page Numbers: 14, 15, 18, 75
Scaled one-half inch foot generous wing affords 140 sq area about ideal Class Carrier jobs have wing flaps Short Seamew Much overlooked British Naval aircraft offers unique features distinctive performance Class Navy Carrier event powered Supertigre G40 engine Richard L Perry ONE OF THE MOST enjoyable aspects scale Navy Carrier events looking suitable subjects model few years ago search carrier-based aircraft turned up Short Seamew appeared good prospect Carrier event feature appealed Seamew unusual shape forward fuselage allows semicowled rat racer type engine stallation minimum frontal area Seamew manufactured Short Brothers Harland Ltd British Royal Navy first prototype flew August 1953 followed produc tion versions modified slightly original configuration pro duction Seamews slightly di hedral leading edge slots improve aileron control vented fillet horizontal stabilizer improve elevator rudder effectiveness Seamew presented first prototype flew radome wing elevator slots model scaled approximately half inch foot scale selected give gross wing area 140 square inches consider optimum size Class models flaps fuselage width increased five percent fit around Supertigre G40 engine plan use smaller engine wider fuselage recommended provide room Roberts bellcrank Other deviations exact scale clude dihedral production aircraft 2Y2 degrees dihedral outboard wing folding hinge washout three degrees greatly reduces effect Pictures three-views first proto type show less dihedral wing can built upper surface essentially flat easily comply rule require ments Exact procedures described later navigators canopy partially open provide outlet engine cool ing air area around engine shaft cut away within one-quarter inch allowed provide engine cooling take air scale Carrier classes handi capped somewhat because very few suitable kits marketparticu larly Class I think adds variety event does mean building scratch plans almost man datory really problem anyone good background build ing kit airplanes can seem like formidable obstacle someone hasnt tried reason have tried write article much like set structions might find kit have tried cover potential problem areas detail make Seamew painless first effort Seamew good competition air plane handles well wind quite stable flaps up down High speed performance will vary engine used therefore no point making claims area Low speed times over 75 seconds less 24mph easy Seamew capable competing quite successfully local contests good RC 40 first step construction job become thoroughly familiar plans construction sequence After getting good mental picture parts needed relation another sit down make kit Cut out parts mark felt-tip pen put 14 Model Aviation box procedure much quicker cutting piece needed balsa used model should light six-pound contest balsa except wing leading edge fuselage sides 3/32 x 4 x 36 sheet fuse lage sides should weigh two 2 oz local dealer cannot supply balsa basswood plywood wing skins can ordered Sig Mfg Co list wood required appears end article original Seamew used home-made tank tight fit area under bellcrank mount design has modified use round Dons Rat Race tank Modify tank shown plans After modification check leaks plugging tubes immersing tank water pressurizing large fuel bulb Resolder points bubbles appear inside tank should rinsed baking soda water neutralize flux might have entered tank Rinse alcohol remove water put some oil tank prevent rust wire parts bent soldered time joints between wire parts should wrapped copper wire soldered hard solder Fine copper wire inexpensive easy obtain stripping short length electrical lamp cord prefer use glue such Titebond balsa joints because its flexibility Use epoxy hardwood joints First attach spar joiner F2 Attach leadouts pushrods bellcrank attach bellcrank landing gear block bellcrank mount Assemble tailhook mount around tailhook bearing Drill engine mounts install blind nuts fuselage now may assembled using hollowed-out bottom block base Proceed following order tank F F2 bellcrank mount engine bearers braces Temporarily install engine check throttle movement Attach F3 mount tailhook add flap actuating rod flap horns attached flap horns attached fuselage until after fuselage sides rear wing spars added fuselage assembly now secured building board using ing blocks provide clearance fuel filler tubes tailhook Wing alignment measurements include ing Add top filler block F4 3/32 tubing hook release wire Later construction will simplified fuselage sides formed proper contour time Soak both sides warm water about 15 minutes Use rubber bands pins clothespins hold sides place fuselage Clamp leading trailing edges vertical stabilizer together being sure include F5 parts dry glue right fuselage side place add rib W2 F5 FIO Connect elevator horn andThe right rear spar added now using mark elevator hinge line referencethe measurements shown plan Adjust elevator travel minimum 30alignment Glue flap horn bearing degrees up 15 degrees down lowthis time add bearing support F 11 throttlecontinued page 18 July1975 15 Above nose slope long canopy snugly take Supertigre G40 engine air outlet cool engine via partly open real cockpit Below Decks eyeview model shows deck engagement hook down position Note three leadoutsdue Roberts crank Fit fuselage top place temporarily glue F6 through F9 using waxed paper avoid gluing fuselage top permanently Remove fuselage top attach left fuselage side spar same manner right Secure flap horn remove assembly board check flap travel 40 45 degrees entire control system Re turn model building board install fuselage top Add /z balsa leading edges must flat bottom edge ribs W7 Adjust LE measurements shown plan Add ribs W3 through W6 trailing edge pieces being sure align bottom ribs bottom LE Install flap blanks hinges sure tailhook latched up wing leading edges trailing edges carved shape time pin through rear spar flap will help secure operation Remove pin before covering wing 1/64 plywood wing covering next Use epoxy sparingly doesnt 18 Model Aviation evaporate Titebond its equivalent will work makes plywood expand slightly can cause some troubles Fit pieces carefully best cover flaps separately use caution avoid get ting glue flap hinges Attach top surface first curing put stabilizer checking level table Invert model block tips prevent warps apply bottom sheeting Dont forget tip weight Now add tips Assemble cowl rear canopy sec tion /t sheet soft block Saw outline shape spot glue fuselage fuselage may now carved sanded final shape Hollow nose blocks install engine check final fit cowl may no clearance around engine parts cowl held screw through blind nut brass bracket se cured engine Add elevators top ver tical stabilizer drill necessary clearance screw holes landing gear use heavy Dacron thread figureeight type hinge elevators install hinges until after finishing model nylon hinges substitute 3/16 balsa /8 basswood tail surfaces Go around flaps razor blade sure free Seamew ready finish use epoxy finish models cause its fuel-proof qualities extra dark sea grey mixture dark green black sky lower surfaces painted mixture white small amount green added insignia cut trim Monokote used inch 3/16 inch press-on lettering wing fuselage markings Examples other Royal Navy color schemes can obtained number publications modelers discouraged trying scale Carrier classes because complexity fuel metering ex haust slide throttling setups few years ago devices becoming easier obtain really difficult adjust necessary good performance pressurized fuel system continued page 75 Closeup nose showing outlines removable cowl-hatchIn rear-quarter shot wing flaps elevators stand Out clearly Short Seamew Below Better thousand words plc mockup especially made illustrate hardware Sturdy main pushrod flippers well-up finclearly visible Study gadg etry operates tail hookand mount ing three-line bellcrank PROP-LOC IS HERE b4 prop need never come loose again / Ceign \-patents pending After years living problem props coming loose flipping ground shifting low high air can finally forget problems solved Pylon Brand Prop-Loc Hi-Tork Spinners Spinner-ettes popular sizes dealers shelves now Wait till see Youll agree Prop-Loc best way ever devised solve annoyingand sometimes costlyproblem once PROP-LOC HI-TORK SPINNER* Features aluminum nylon construction Provides smoother idle Nylon spinner cone available 2 21/i 2112 2 white black red $125 Prop-bc hard ware kit available e24 1/428 6 mm 7 mm threads $175 PROP-LOC SPINNERE1TE* new look spinners featuring two-piece aluminum Available iR-24 5/4 286 mm 7 mm threads $185 complete COMING shapes sizes including die cast metal 535 Davisville Rd Willow Grove Pa NIb2151 659-3900 SULLIVAN PRODUCTS I~igago Short Seamew continued page 18 run Supertigre G40 engines stock Supertigre pressure carburetor using timed pressure tap addition make add check valve pressure line available George Aldrich obtain pressure idle quite few throttles available have necessary fuel metering built handle pressure numerous commercial fuels market highly competi tive have used K&B Speed Fuel RO-GO 58 percent fuel good results Any increase performance homebrew small worth trouble correct propeller will vary engine-plane combination next use Rev-Up 9-7 cut down 8 inch diameter good results Other popular sizes Class 8-8 9-7 general lower pitch props blade area will better heavier models lighter ones can use higher pitch props hurting acceleration Experimen tation good way determine prop best particular model careful building plenty sand paper during finishing Seamew can weigh 28 30 oz depending engine Practice important competing suc cessfully Carrier Get know en gine capabilities airplane advantages practicing slow flight landings obvious high speed portion flight ig noredparticularly take-off High speed weighted quite heavily Carrier name game acceleration Climbing above six-foot altitude hurts acceleration half lap plane 20 feet will least five mph slower same plane five feet deck plenty long enough get airborne using up elevator zooming off deck will hurt acceleration adding drag gaining excessive altitude will happy hear 5016 Angelita Ave Dayton Ohio 45424 con cerning Seamew other Carrier subject hope have tempted try Class Carrier Good luck may landings 100 points References Janes Worlds Aircraft L Bridgemen editor McGraw-Hill Book Com pany Inc New York 1954-1955 19551956 1956-1957 Worlds Fighting Planes W Green G Pollinger MacDonald Co Ltd London 1956 WOOD REQUIRED qty size 1 12 X 48 X 1/64 plywood wing skins 13/32 X 4 X 36 medium light balsa 23/8 X 3 X 36 light balsa 11/8 X 3 X 24 basswood 11/2 x 1/2 x 36 medium-hard balsa Small quantities 3/8 basswood 3/16 balsa 3/32 ply wood 3/8 X 1/2 maple PEANUT SCALE _N~LICiAEEW MOLDED CANOPY MOOED CANOP ZEROP 51 MusTANG 3 N SPAN 3 N SPANPNES P NUA & :OS HOLDS WORLDS RECCRIIJ NESMITH COUGER IN SPAN P-NUT ANDREASON BAA-B N SPAN PNUIKITS $349 EACH h/yawrs RUBBER POWERED FLYING flODELS KITS S SSORIES OTHER PEANUT SCALE KITS PIETENPOL AIR cAMPER S MIS DRUINE TURBULENT R i3 CUB KITS $329 EACH STRINGLESS WONDERKIT $249 IF SITS ARE NOT AVAIEAREE AT YOUR EEAEEC ORDER DIRECT ADD 35 FOE POSTAGE NOWI COMPLETE SELECTION OF OVER 85 PEANS AND DCAWINDS PROM W C HANNAN GRAPHICS AESOHUNGERFORD WHEELS PLASTIC PROPS LEE WW-I PNUT KITS N REARIMG5 NEW 75 cArALOG 255 HARD TO FIND ACCESSORIES SITS AND PLANS FOR CURSER POWERED MODELS X 2498 -AMALA MESA CALIF 92041 PHONE lY14l 469R675 July1975 75 I I I I I I I i I I I I I I / Prices subject ts change sotice II yoo love rae yooll really love orany ifhv ,relic labor aSraaSo add th aroU 4 aa'-- hobby e no Nb ma look / 7 nenohot rqsly today
Edition: Model Aviation - 1975/07
Page Numbers: 14, 15, 18, 75
Scaled one-half inch foot generous wing affords 140 sq area about ideal Class Carrier jobs have wing flaps Short Seamew Much overlooked British Naval aircraft offers unique features distinctive performance Class Navy Carrier event powered Supertigre G40 engine Richard L Perry ONE OF THE MOST enjoyable aspects scale Navy Carrier events looking suitable subjects model few years ago search carrier-based aircraft turned up Short Seamew appeared good prospect Carrier event feature appealed Seamew unusual shape forward fuselage allows semicowled rat racer type engine stallation minimum frontal area Seamew manufactured Short Brothers Harland Ltd British Royal Navy first prototype flew August 1953 followed produc tion versions modified slightly original configuration pro duction Seamews slightly di hedral leading edge slots improve aileron control vented fillet horizontal stabilizer improve elevator rudder effectiveness Seamew presented first prototype flew radome wing elevator slots model scaled approximately half inch foot scale selected give gross wing area 140 square inches consider optimum size Class models flaps fuselage width increased five percent fit around Supertigre G40 engine plan use smaller engine wider fuselage recommended provide room Roberts bellcrank Other deviations exact scale clude dihedral production aircraft 2Y2 degrees dihedral outboard wing folding hinge washout three degrees greatly reduces effect Pictures three-views first proto type show less dihedral wing can built upper surface essentially flat easily comply rule require ments Exact procedures described later navigators canopy partially open provide outlet engine cool ing air area around engine shaft cut away within one-quarter inch allowed provide engine cooling take air scale Carrier classes handi capped somewhat because very few suitable kits marketparticu larly Class I think adds variety event does mean building scratch plans almost man datory really problem anyone good background build ing kit airplanes can seem like formidable obstacle someone hasnt tried reason have tried write article much like set structions might find kit have tried cover potential problem areas detail make Seamew painless first effort Seamew good competition air plane handles well wind quite stable flaps up down High speed performance will vary engine used therefore no point making claims area Low speed times over 75 seconds less 24mph easy Seamew capable competing quite successfully local contests good RC 40 first step construction job become thoroughly familiar plans construction sequence After getting good mental picture parts needed relation another sit down make kit Cut out parts mark felt-tip pen put 14 Model Aviation box procedure much quicker cutting piece needed balsa used model should light six-pound contest balsa except wing leading edge fuselage sides 3/32 x 4 x 36 sheet fuse lage sides should weigh two 2 oz local dealer cannot supply balsa basswood plywood wing skins can ordered Sig Mfg Co list wood required appears end article original Seamew used home-made tank tight fit area under bellcrank mount design has modified use round Dons Rat Race tank Modify tank shown plans After modification check leaks plugging tubes immersing tank water pressurizing large fuel bulb Resolder points bubbles appear inside tank should rinsed baking soda water neutralize flux might have entered tank Rinse alcohol remove water put some oil tank prevent rust wire parts bent soldered time joints between wire parts should wrapped copper wire soldered hard solder Fine copper wire inexpensive easy obtain stripping short length electrical lamp cord prefer use glue such Titebond balsa joints because its flexibility Use epoxy hardwood joints First attach spar joiner F2 Attach leadouts pushrods bellcrank attach bellcrank landing gear block bellcrank mount Assemble tailhook mount around tailhook bearing Drill engine mounts install blind nuts fuselage now may assembled using hollowed-out bottom block base Proceed following order tank F F2 bellcrank mount engine bearers braces Temporarily install engine check throttle movement Attach F3 mount tailhook add flap actuating rod flap horns attached flap horns attached fuselage until after fuselage sides rear wing spars added fuselage assembly now secured building board using ing blocks provide clearance fuel filler tubes tailhook Wing alignment measurements include ing Add top filler block F4 3/32 tubing hook release wire Later construction will simplified fuselage sides formed proper contour time Soak both sides warm water about 15 minutes Use rubber bands pins clothespins hold sides place fuselage Clamp leading trailing edges vertical stabilizer together being sure include F5 parts dry glue right fuselage side place add rib W2 F5 FIO Connect elevator horn andThe right rear spar added now using mark elevator hinge line referencethe measurements shown plan Adjust elevator travel minimum 30alignment Glue flap horn bearing degrees up 15 degrees down lowthis time add bearing support F 11 throttlecontinued page 18 July1975 15 Above nose slope long canopy snugly take Supertigre G40 engine air outlet cool engine via partly open real cockpit Below Decks eyeview model shows deck engagement hook down position Note three leadoutsdue Roberts crank Fit fuselage top place temporarily glue F6 through F9 using waxed paper avoid gluing fuselage top permanently Remove fuselage top attach left fuselage side spar same manner right Secure flap horn remove assembly board check flap travel 40 45 degrees entire control system Re turn model building board install fuselage top Add /z balsa leading edges must flat bottom edge ribs W7 Adjust LE measurements shown plan Add ribs W3 through W6 trailing edge pieces being sure align bottom ribs bottom LE Install flap blanks hinges sure tailhook latched up wing leading edges trailing edges carved shape time pin through rear spar flap will help secure operation Remove pin before covering wing 1/64 plywood wing covering next Use epoxy sparingly doesnt 18 Model Aviation evaporate Titebond its equivalent will work makes plywood expand slightly can cause some troubles Fit pieces carefully best cover flaps separately use caution avoid get ting glue flap hinges Attach top surface first curing put stabilizer checking level table Invert model block tips prevent warps apply bottom sheeting Dont forget tip weight Now add tips Assemble cowl rear canopy sec tion /t sheet soft block Saw outline shape spot glue fuselage fuselage may now carved sanded final shape Hollow nose blocks install engine check final fit cowl may no clearance around engine parts cowl held screw through blind nut brass bracket se cured engine Add elevators top ver tical stabilizer drill necessary clearance screw holes landing gear use heavy Dacron thread figureeight type hinge elevators install hinges until after finishing model nylon hinges substitute 3/16 balsa /8 basswood tail surfaces Go around flaps razor blade sure free Seamew ready finish use epoxy finish models cause its fuel-proof qualities extra dark sea grey mixture dark green black sky lower surfaces painted mixture white small amount green added insignia cut trim Monokote used inch 3/16 inch press-on lettering wing fuselage markings Examples other Royal Navy color schemes can obtained number publications modelers discouraged trying scale Carrier classes because complexity fuel metering ex haust slide throttling setups few years ago devices becoming easier obtain really difficult adjust necessary good performance pressurized fuel system continued page 75 Closeup nose showing outlines removable cowl-hatchIn rear-quarter shot wing flaps elevators stand Out clearly Short Seamew Below Better thousand words plc mockup especially made illustrate hardware Sturdy main pushrod flippers well-up finclearly visible Study gadg etry operates tail hookand mount ing three-line bellcrank PROP-LOC IS HERE b4 prop need never come loose again / Ceign \-patents pending After years living problem props coming loose flipping ground shifting low high air can finally forget problems solved Pylon Brand Prop-Loc Hi-Tork Spinners Spinner-ettes popular sizes dealers shelves now Wait till see Youll agree Prop-Loc best way ever devised solve annoyingand sometimes costlyproblem once PROP-LOC HI-TORK SPINNER* Features aluminum nylon construction Provides smoother idle Nylon spinner cone available 2 21/i 2112 2 white black red $125 Prop-bc hard ware kit available e24 1/428 6 mm 7 mm threads $175 PROP-LOC SPINNERE1TE* new look spinners featuring two-piece aluminum Available iR-24 5/4 286 mm 7 mm threads $185 complete COMING shapes sizes including die cast metal 535 Davisville Rd Willow Grove Pa NIb2151 659-3900 SULLIVAN PRODUCTS I~igago Short Seamew continued page 18 run Supertigre G40 engines stock Supertigre pressure carburetor using timed pressure tap addition make add check valve pressure line available George Aldrich obtain pressure idle quite few throttles available have necessary fuel metering built handle pressure numerous commercial fuels market highly competi tive have used K&B Speed Fuel RO-GO 58 percent fuel good results Any increase performance homebrew small worth trouble correct propeller will vary engine-plane combination next use Rev-Up 9-7 cut down 8 inch diameter good results Other popular sizes Class 8-8 9-7 general lower pitch props blade area will better heavier models lighter ones can use higher pitch props hurting acceleration Experimen tation good way determine prop best particular model careful building plenty sand paper during finishing Seamew can weigh 28 30 oz depending engine Practice important competing suc cessfully Carrier Get know en gine capabilities airplane advantages practicing slow flight landings obvious high speed portion flight ig noredparticularly take-off High speed weighted quite heavily Carrier name game acceleration Climbing above six-foot altitude hurts acceleration half lap plane 20 feet will least five mph slower same plane five feet deck plenty long enough get airborne using up elevator zooming off deck will hurt acceleration adding drag gaining excessive altitude will happy hear 5016 Angelita Ave Dayton Ohio 45424 con cerning Seamew other Carrier subject hope have tempted try Class Carrier Good luck may landings 100 points References Janes Worlds Aircraft L Bridgemen editor McGraw-Hill Book Com pany Inc New York 1954-1955 19551956 1956-1957 Worlds Fighting Planes W Green G Pollinger MacDonald Co Ltd London 1956 WOOD REQUIRED qty size 1 12 X 48 X 1/64 plywood wing skins 13/32 X 4 X 36 medium light balsa 23/8 X 3 X 36 light balsa 11/8 X 3 X 24 basswood 11/2 x 1/2 x 36 medium-hard balsa Small quantities 3/8 basswood 3/16 balsa 3/32 ply wood 3/8 X 1/2 maple PEANUT SCALE _N~LICiAEEW MOLDED CANOPY MOOED CANOP ZEROP 51 MusTANG 3 N SPAN 3 N SPANPNES P NUA & :OS HOLDS WORLDS RECCRIIJ NESMITH COUGER IN SPAN P-NUT ANDREASON BAA-B N SPAN PNUIKITS $349 EACH h/yawrs RUBBER POWERED FLYING flODELS KITS S SSORIES OTHER PEANUT SCALE KITS PIETENPOL AIR cAMPER S MIS DRUINE TURBULENT R i3 CUB KITS $329 EACH STRINGLESS WONDERKIT $249 IF SITS ARE NOT AVAIEAREE AT YOUR EEAEEC ORDER DIRECT ADD 35 FOE POSTAGE NOWI COMPLETE SELECTION OF OVER 85 PEANS AND DCAWINDS PROM W C HANNAN GRAPHICS AESOHUNGERFORD WHEELS PLASTIC PROPS LEE WW-I PNUT KITS N REARIMG5 NEW 75 cArALOG 255 HARD TO FIND ACCESSORIES SITS AND PLANS FOR CURSER POWERED MODELS X 2498 -AMALA MESA CALIF 92041 PHONE lY14l 469R675 July1975 75 I I I I I I I i I I I I I I / Prices subject ts change sotice II yoo love rae yooll really love orany ifhv ,relic labor aSraaSo add th aroU 4 aa'-- hobby e no Nb ma look / 7 nenohot rqsly today
Edition: Model Aviation - 1975/07
Page Numbers: 14, 15, 18, 75
Scaled one-half inch foot generous wing affords 140 sq area about ideal Class Carrier jobs have wing flaps Short Seamew Much overlooked British Naval aircraft offers unique features distinctive performance Class Navy Carrier event powered Supertigre G40 engine Richard L Perry ONE OF THE MOST enjoyable aspects scale Navy Carrier events looking suitable subjects model few years ago search carrier-based aircraft turned up Short Seamew appeared good prospect Carrier event feature appealed Seamew unusual shape forward fuselage allows semicowled rat racer type engine stallation minimum frontal area Seamew manufactured Short Brothers Harland Ltd British Royal Navy first prototype flew August 1953 followed produc tion versions modified slightly original configuration pro duction Seamews slightly di hedral leading edge slots improve aileron control vented fillet horizontal stabilizer improve elevator rudder effectiveness Seamew presented first prototype flew radome wing elevator slots model scaled approximately half inch foot scale selected give gross wing area 140 square inches consider optimum size Class models flaps fuselage width increased five percent fit around Supertigre G40 engine plan use smaller engine wider fuselage recommended provide room Roberts bellcrank Other deviations exact scale clude dihedral production aircraft 2Y2 degrees dihedral outboard wing folding hinge washout three degrees greatly reduces effect Pictures three-views first proto type show less dihedral wing can built upper surface essentially flat easily comply rule require ments Exact procedures described later navigators canopy partially open provide outlet engine cool ing air area around engine shaft cut away within one-quarter inch allowed provide engine cooling take air scale Carrier classes handi capped somewhat because very few suitable kits marketparticu larly Class I think adds variety event does mean building scratch plans almost man datory really problem anyone good background build ing kit airplanes can seem like formidable obstacle someone hasnt tried reason have tried write article much like set structions might find kit have tried cover potential problem areas detail make Seamew painless first effort Seamew good competition air plane handles well wind quite stable flaps up down High speed performance will vary engine used therefore no point making claims area Low speed times over 75 seconds less 24mph easy Seamew capable competing quite successfully local contests good RC 40 first step construction job become thoroughly familiar plans construction sequence After getting good mental picture parts needed relation another sit down make kit Cut out parts mark felt-tip pen put 14 Model Aviation box procedure much quicker cutting piece needed balsa used model should light six-pound contest balsa except wing leading edge fuselage sides 3/32 x 4 x 36 sheet fuse lage sides should weigh two 2 oz local dealer cannot supply balsa basswood plywood wing skins can ordered Sig Mfg Co list wood required appears end article original Seamew used home-made tank tight fit area under bellcrank mount design has modified use round Dons Rat Race tank Modify tank shown plans After modification check leaks plugging tubes immersing tank water pressurizing large fuel bulb Resolder points bubbles appear inside tank should rinsed baking soda water neutralize flux might have entered tank Rinse alcohol remove water put some oil tank prevent rust wire parts bent soldered time joints between wire parts should wrapped copper wire soldered hard solder Fine copper wire inexpensive easy obtain stripping short length electrical lamp cord prefer use glue such Titebond balsa joints because its flexibility Use epoxy hardwood joints First attach spar joiner F2 Attach leadouts pushrods bellcrank attach bellcrank landing gear block bellcrank mount Assemble tailhook mount around tailhook bearing Drill engine mounts install blind nuts fuselage now may assembled using hollowed-out bottom block base Proceed following order tank F F2 bellcrank mount engine bearers braces Temporarily install engine check throttle movement Attach F3 mount tailhook add flap actuating rod flap horns attached flap horns attached fuselage until after fuselage sides rear wing spars added fuselage assembly now secured building board using ing blocks provide clearance fuel filler tubes tailhook Wing alignment measurements include ing Add top filler block F4 3/32 tubing hook release wire Later construction will simplified fuselage sides formed proper contour time Soak both sides warm water about 15 minutes Use rubber bands pins clothespins hold sides place fuselage Clamp leading trailing edges vertical stabilizer together being sure include F5 parts dry glue right fuselage side place add rib W2 F5 FIO Connect elevator horn andThe right rear spar added now using mark elevator hinge line referencethe measurements shown plan Adjust elevator travel minimum 30alignment Glue flap horn bearing degrees up 15 degrees down lowthis time add bearing support F 11 throttlecontinued page 18 July1975 15 Above nose slope long canopy snugly take Supertigre G40 engine air outlet cool engine via partly open real cockpit Below Decks eyeview model shows deck engagement hook down position Note three leadoutsdue Roberts crank Fit fuselage top place temporarily glue F6 through F9 using waxed paper avoid gluing fuselage top permanently Remove fuselage top attach left fuselage side spar same manner right Secure flap horn remove assembly board check flap travel 40 45 degrees entire control system Re turn model building board install fuselage top Add /z balsa leading edges must flat bottom edge ribs W7 Adjust LE measurements shown plan Add ribs W3 through W6 trailing edge pieces being sure align bottom ribs bottom LE Install flap blanks hinges sure tailhook latched up wing leading edges trailing edges carved shape time pin through rear spar flap will help secure operation Remove pin before covering wing 1/64 plywood wing covering next Use epoxy sparingly doesnt 18 Model Aviation evaporate Titebond its equivalent will work makes plywood expand slightly can cause some troubles Fit pieces carefully best cover flaps separately use caution avoid get ting glue flap hinges Attach top surface first curing put stabilizer checking level table Invert model block tips prevent warps apply bottom sheeting Dont forget tip weight Now add tips Assemble cowl rear canopy sec tion /t sheet soft block Saw outline shape spot glue fuselage fuselage may now carved sanded final shape Hollow nose blocks install engine check final fit cowl may no clearance around engine parts cowl held screw through blind nut brass bracket se cured engine Add elevators top ver tical stabilizer drill necessary clearance screw holes landing gear use heavy Dacron thread figureeight type hinge elevators install hinges until after finishing model nylon hinges substitute 3/16 balsa /8 basswood tail surfaces Go around flaps razor blade sure free Seamew ready finish use epoxy finish models cause its fuel-proof qualities extra dark sea grey mixture dark green black sky lower surfaces painted mixture white small amount green added insignia cut trim Monokote used inch 3/16 inch press-on lettering wing fuselage markings Examples other Royal Navy color schemes can obtained number publications modelers discouraged trying scale Carrier classes because complexity fuel metering ex haust slide throttling setups few years ago devices becoming easier obtain really difficult adjust necessary good performance pressurized fuel system continued page 75 Closeup nose showing outlines removable cowl-hatchIn rear-quarter shot wing flaps elevators stand Out clearly Short Seamew Below Better thousand words plc mockup especially made illustrate hardware Sturdy main pushrod flippers well-up finclearly visible Study gadg etry operates tail hookand mount ing three-line bellcrank PROP-LOC IS HERE b4 prop need never come loose again / Ceign \-patents pending After years living problem props coming loose flipping ground shifting low high air can finally forget problems solved Pylon Brand Prop-Loc Hi-Tork Spinners Spinner-ettes popular sizes dealers shelves now Wait till see Youll agree Prop-Loc best way ever devised solve annoyingand sometimes costlyproblem once PROP-LOC HI-TORK SPINNER* Features aluminum nylon construction Provides smoother idle Nylon spinner cone available 2 21/i 2112 2 white black red $125 Prop-bc hard ware kit available e24 1/428 6 mm 7 mm threads $175 PROP-LOC SPINNERE1TE* new look spinners featuring two-piece aluminum Available iR-24 5/4 286 mm 7 mm threads $185 complete COMING shapes sizes including die cast metal 535 Davisville Rd Willow Grove Pa NIb2151 659-3900 SULLIVAN PRODUCTS I~igago Short Seamew continued page 18 run Supertigre G40 engines stock Supertigre pressure carburetor using timed pressure tap addition make add check valve pressure line available George Aldrich obtain pressure idle quite few throttles available have necessary fuel metering built handle pressure numerous commercial fuels market highly competi tive have used K&B Speed Fuel RO-GO 58 percent fuel good results Any increase performance homebrew small worth trouble correct propeller will vary engine-plane combination next use Rev-Up 9-7 cut down 8 inch diameter good results Other popular sizes Class 8-8 9-7 general lower pitch props blade area will better heavier models lighter ones can use higher pitch props hurting acceleration Experimen tation good way determine prop best particular model careful building plenty sand paper during finishing Seamew can weigh 28 30 oz depending engine Practice important competing suc cessfully Carrier Get know en gine capabilities airplane advantages practicing slow flight landings obvious high speed portion flight ig noredparticularly take-off High speed weighted quite heavily Carrier name game acceleration Climbing above six-foot altitude hurts acceleration half lap plane 20 feet will least five mph slower same plane five feet deck plenty long enough get airborne using up elevator zooming off deck will hurt acceleration adding drag gaining excessive altitude will happy hear 5016 Angelita Ave Dayton Ohio 45424 con cerning Seamew other Carrier subject hope have tempted try Class Carrier Good luck may landings 100 points References Janes Worlds Aircraft L Bridgemen editor McGraw-Hill Book Com pany Inc New York 1954-1955 19551956 1956-1957 Worlds Fighting Planes W Green G Pollinger MacDonald Co Ltd London 1956 WOOD REQUIRED qty size 1 12 X 48 X 1/64 plywood wing skins 13/32 X 4 X 36 medium light balsa 23/8 X 3 X 36 light balsa 11/8 X 3 X 24 basswood 11/2 x 1/2 x 36 medium-hard balsa Small quantities 3/8 basswood 3/16 balsa 3/32 ply wood 3/8 X 1/2 maple PEANUT SCALE _N~LICiAEEW MOLDED CANOPY MOOED CANOP ZEROP 51 MusTANG 3 N SPAN 3 N SPANPNES P NUA & :OS HOLDS WORLDS RECCRIIJ NESMITH COUGER IN SPAN P-NUT ANDREASON BAA-B N SPAN PNUIKITS $349 EACH h/yawrs RUBBER POWERED FLYING flODELS KITS S SSORIES OTHER PEANUT SCALE KITS PIETENPOL AIR cAMPER S MIS DRUINE TURBULENT R i3 CUB KITS $329 EACH STRINGLESS WONDERKIT $249 IF SITS ARE NOT AVAIEAREE AT YOUR EEAEEC ORDER DIRECT ADD 35 FOE POSTAGE NOWI COMPLETE SELECTION OF OVER 85 PEANS AND DCAWINDS PROM W C HANNAN GRAPHICS AESOHUNGERFORD WHEELS PLASTIC PROPS LEE WW-I PNUT KITS N REARIMG5 NEW 75 cArALOG 255 HARD TO FIND ACCESSORIES SITS AND PLANS FOR CURSER POWERED MODELS X 2498 -AMALA MESA CALIF 92041 PHONE lY14l 469R675 July1975 75 I I I I I I I i I I I I I I / Prices subject ts change sotice II yoo love rae yooll really love orany ifhv ,relic labor aSraaSo add th aroU 4 aa'-- hobby e no Nb ma look / 7 nenohot rqsly today