ovIb ar 2 1fliiijv TO THE SWISS perhaps other nation war abhorrent phenomenon peculiar others Despite aversion violence Swiss will readily fight maintain now tradi tional neutrality Swiss Air Force unique its personnel militiacivilians 10 months year terms Swiss Confederation expressly forbid maintenance regular forces Flugwaffe Swiss Air arm generally known true compo nent militia tasks Flug Chuck Felton Photos Lane Mosby wafre have remained virtually unchanged throughout history Swiss military aviation namely ensure integrity Swiss air space challenging necessary destroying intruder defend ing Switzerland aerial attack providing strike reconnaissance sup port Swiss ground forces Federal Aircraft Factory offi cial government establishment manufactures aircraft Swiss Air Force Most Swiss aircraft have bought built under license other countries its few indigenous designs C-3603 As threat war Europe appeared ever likely ma terialize Swiss Federal Government revived 1938 C-36 design evolved few years previously view provid ing Swiss Air Force modern ground-attack equipment original single tail C-3600 project remained de sign two prototypes twin tail assemblies ordered differed powerplants Both machines nonretracting undercarriages twoman crew accommodated tandem seats beneath extended canopy C-3601 made its maiden flight spring 1939 C-3602 following November same year thorough test program two machines followed order 160 production aircraft under designation C-3603 powerful model made its appearance first flight August 21 1944 C-3604 order placed 100 machines type As things turned out however advent jet engine fighters caused Swiss governThe rear-quarter view reveals pleasant propor tions flying model Engine shaft extension such Veco affords good nose lines Finish Aero Gloss Military Flat trimcrosses wing stripes cockpit framing aileron flap outlines wheel wells Monokote upper surfaces Navy blue underside cockpit cloud gray one-inch-to-the-foot scale gives generous wing span 45 inches ment curtail orders C-3604 production type ceased after 13 completed Over 30 years later C-3604s still serving Swiss Air Force Twenty-two have converted turbo-prop engines target-towing duties designated C-3605 version model built scale 1 gives wing span 45 length 355 quite light its size adequately powered engines 29 35 size designed scale sport flying built stunt fly ing although model will sharp wingover flat bottom wing thick airfoil gives lot lift low speed prevents model lrom sinking like rock engine stops landing glide smooth stable stance main landing gear wide enough give smooth landings wing tip scraping addition long tail-moment forward location main gear virtually elimi nate nosing over landing size model allows engine neatly cowled eliminating protruding engine cylinder head canopy made balsa plastic two reasons First easier average modeler build balsa secondly few photos avail able obtain interior cockpit details However think will agree balsa canopy its black strip framework presents neat appearance Before start construction phase wish thank Mr H Rhomberg Swiss Aircraft Factory Technical Depart ment providing set 3-view drawings C-3603 aircraft Construction Wing Cut out wing ribs Cut out holes ribs bellcrank leadout wires left ribs Cut out join a spars joiner proper dihedral angle shown wing front view dry glue ribs spars Add 1/4 X spars between ribsWl W3 both top bottom Make two landing gears patterns shown wing top view fuselage side view Cut out mount ing platforms landing gear bellcrank Attach landing gear platforms thread Apply glue thread extra strength Insert platforms place wing glue /4 sq balsa supports shown wing front view Epoxy platforms alsa supports wing ribs bellcrank platform installed similar manner Install 3 Perfect bellcrank 3/16 wire pushrod Bellcrank leadouts made 1/32 wire Cover bottom xing 3/32 sheet balsa Cement l-oz wing-tip weight designer finished model fillets made microballoons Although stunt model does snappy wingovers March1976 23 lower engine cowl quickly removable access engine its mounting bolts engine itself easy remove replace high-lift wing yields exceptional landings C-3603 forced down Allied Luftwaffe planes over Swiss air space As 29 35 powered model designed expressly sport flying BLIND JT EAiR00~jjAL 00 WI FEATHER TE W4 HINGES W2 WING RIBS WI23 1/4 BW3 JOINERW4 TO WIOB /3/4 FUSELAGE FORMERS F3-II 3-lBI/BBALSA EXHAUST STACKS I/S BALSA BALSAVIB BALSA & BALSA~ TAIL WHEELLAS SHEET COVERING COLOR SCHEW UPPER SURFACE FLAT NAVY BLUE LOWER SURFACE FLAT CLOUD GRAY CROSS AND STRIPES WHITE FS /6/7/8 /15FB --F17 1/16 WIRE FIBJ BLOCK4-40 BOLT GEAR EJHOUSINGRADIATOR CROSSGEAR FAIRING SECTIONNCARDBOARD 1/2 SO BALSA BALSA BALSA zJABC CROSS SECTION 2 V2 WHEELSt /20 S NC SPAS45 N W NCAREC3C SQ N CNGTH35 CCN ENGINE SZC35 SCALE1N1FT WSS C-3603 WORLD WAR 2 FGHTER CESGNEONKEC BC CHUCK FETCN p 0 0 CD S -I 0 Swiss WW II Fighter place right wing side Cover top wing 3/32 sheet balsa leaving opening pushrod exit Chamfer wing sheeting trailing edge Add a tips sand shape Fuselage Begin fuselage cutting out 3/16 balsa crutch piece shown fuselage top view Cut out fuselage formers Bend 1/16 tail-wheel gear shown attach F12 thread ap plying glue thread Pin crutch over plans glue formers F3 FIl crutch Add /4 X /8 stringers down top sides hardwood motor mounts next Try following procedure avoid misalignment problems Mark drill engine mounting holes hardwood mount Install 4-40 blind nuts hole bottom side mount Slide mounts position through formers F3 F4 bolt engine mounts Epoxy mounts firmly place thoroughly dry remove engine mounts will perfect position Note engine shaft exten sion such Veco brand used move engine towards rear cowl room Keep mind locating motor mounts Choose fuel tank install under motor mounts front end tank will butted up against back F19 used Veco 4 oz square wedge tank tank secured 1 aluminum strap slipped over tank fill tube bolted through sides motor mounts 4-40 bolt per side sure attach generous lengths fuel tubing tank vent Formers F12 through F19 now glued bottom side crutch Add stringers down sides bottom center shown side view Epoxy two 3/16 cowl hold down dowels through former F19 Test fit wing place making sure enough room cut out aft fuselage formers pushrod operate freely Cut wing saddle pieces a glue place fuselage now covered 1/16 sheet balsa Cut opening left fuselage side between FlO Fl pushrod exit Add balsa block behind F12 block under stabilizer aft Fl Add balsa block between form ers F2 F3 block must hollowed out fit engine Drill hole centerline F2 shown install 4-40 blind nut back side used cowl attach Cement F2 crutch balsa block cockpit made entirely balsa ends balsa blocks middle section sides /8 balsa top two a strips laminated together Cockpit formers /s balsa shown cross section view glued cockpit four locations shown side view sides top glued formers balsa blocks added ends Sand cockpit shape shown cross-section view Cowl cowl comprised formers F F20 balsa block between formers two holes near base F20 must align 3/16 dowels previously installed F19 /8 hole Fl must align blind nut previ ously installed F2 Hollow out balsa block fit engine make cutouts cylinder head exhaust needle valve required Apply coat epoxy inside cowl fuel proofing Stab Fins Cut out stabilizer fins t balsa round off lead ing trailing edges shown Hinge elevator stabilizer using Klett RK2-7 hinges Glue rudders fins rud ders offset /s outside flying circle Glue fins stabilizer Joining point wing glued place balsa saddle em pennage assembly glued bottom balsa block behind former El dry add balsa block top stabilizer behind former FII blocks now sanded blend fuselage shape Radiator Gear Housing Gear Fairing Exhausts radiator consists /8 balsa sides a bottom shown side cross-section views located fuselage centerline gear housing made a sanded shape shown wing top view fuselage side view gear wire passes through center housing housing must cut glued around gear wire gear fairing made three pieces cardboard Piece B bent shown fairing detail view glued piece turn glued tabs piece C assembly glued front landing gear wire exhaust stacks made three balsa strips shown detail drawing attached fuselage shown side view Finishing Use Hobbypoxy Stuff fill surface defects Use microballoons make fillet wing fuselage inter section Also make fillets between fin stabilizer stabilizer fuselage gear housing wing radiator fuse lage intersections Give model two coats clear dope two coats sanding sealer sanding lightly after coat Painting model has navy blue upper surface cloud gray lower surface cockpit Aero Gloss Military Flat dope used give realistic dull finish addition flat dope covers well out streaking showing brush marks Exhaust stacks nose spinner flat black 3-bladed 9/6 Tornado propeller flat black white stripes tips Use Monokote trim sheet make crosses wing stripes cockpit framing aileron flap outlines wheelwells Final Assembly Attach 2 in Perfect brand whecls main tail gear respectively Attach Goldberg long control horn elevator hookup pushrod sure balance model point shown plans before flying March1976 25 Bottom view also reflects nest lines make easy construction Adept builders may improvise modeling stunt airfoil wish three-bladed 9/6 Tornado propeller fits requirements nicely painted flat black white stripes tips twin rudders angled toward outside flying circle help maintain line tension no un sightly offset thrust engine itself
Edition: Model Aviation - 1976/03
Page Numbers: 22, 23, 24, 25
ovIb ar 2 1fliiijv TO THE SWISS perhaps other nation war abhorrent phenomenon peculiar others Despite aversion violence Swiss will readily fight maintain now tradi tional neutrality Swiss Air Force unique its personnel militiacivilians 10 months year terms Swiss Confederation expressly forbid maintenance regular forces Flugwaffe Swiss Air arm generally known true compo nent militia tasks Flug Chuck Felton Photos Lane Mosby wafre have remained virtually unchanged throughout history Swiss military aviation namely ensure integrity Swiss air space challenging necessary destroying intruder defend ing Switzerland aerial attack providing strike reconnaissance sup port Swiss ground forces Federal Aircraft Factory offi cial government establishment manufactures aircraft Swiss Air Force Most Swiss aircraft have bought built under license other countries its few indigenous designs C-3603 As threat war Europe appeared ever likely ma terialize Swiss Federal Government revived 1938 C-36 design evolved few years previously view provid ing Swiss Air Force modern ground-attack equipment original single tail C-3600 project remained de sign two prototypes twin tail assemblies ordered differed powerplants Both machines nonretracting undercarriages twoman crew accommodated tandem seats beneath extended canopy C-3601 made its maiden flight spring 1939 C-3602 following November same year thorough test program two machines followed order 160 production aircraft under designation C-3603 powerful model made its appearance first flight August 21 1944 C-3604 order placed 100 machines type As things turned out however advent jet engine fighters caused Swiss governThe rear-quarter view reveals pleasant propor tions flying model Engine shaft extension such Veco affords good nose lines Finish Aero Gloss Military Flat trimcrosses wing stripes cockpit framing aileron flap outlines wheel wells Monokote upper surfaces Navy blue underside cockpit cloud gray one-inch-to-the-foot scale gives generous wing span 45 inches ment curtail orders C-3604 production type ceased after 13 completed Over 30 years later C-3604s still serving Swiss Air Force Twenty-two have converted turbo-prop engines target-towing duties designated C-3605 version model built scale 1 gives wing span 45 length 355 quite light its size adequately powered engines 29 35 size designed scale sport flying built stunt fly ing although model will sharp wingover flat bottom wing thick airfoil gives lot lift low speed prevents model lrom sinking like rock engine stops landing glide smooth stable stance main landing gear wide enough give smooth landings wing tip scraping addition long tail-moment forward location main gear virtually elimi nate nosing over landing size model allows engine neatly cowled eliminating protruding engine cylinder head canopy made balsa plastic two reasons First easier average modeler build balsa secondly few photos avail able obtain interior cockpit details However think will agree balsa canopy its black strip framework presents neat appearance Before start construction phase wish thank Mr H Rhomberg Swiss Aircraft Factory Technical Depart ment providing set 3-view drawings C-3603 aircraft Construction Wing Cut out wing ribs Cut out holes ribs bellcrank leadout wires left ribs Cut out join a spars joiner proper dihedral angle shown wing front view dry glue ribs spars Add 1/4 X spars between ribsWl W3 both top bottom Make two landing gears patterns shown wing top view fuselage side view Cut out mount ing platforms landing gear bellcrank Attach landing gear platforms thread Apply glue thread extra strength Insert platforms place wing glue /4 sq balsa supports shown wing front view Epoxy platforms alsa supports wing ribs bellcrank platform installed similar manner Install 3 Perfect bellcrank 3/16 wire pushrod Bellcrank leadouts made 1/32 wire Cover bottom xing 3/32 sheet balsa Cement l-oz wing-tip weight designer finished model fillets made microballoons Although stunt model does snappy wingovers March1976 23 lower engine cowl quickly removable access engine its mounting bolts engine itself easy remove replace high-lift wing yields exceptional landings C-3603 forced down Allied Luftwaffe planes over Swiss air space As 29 35 powered model designed expressly sport flying BLIND JT EAiR00~jjAL 00 WI FEATHER TE W4 HINGES W2 WING RIBS WI23 1/4 BW3 JOINERW4 TO WIOB /3/4 FUSELAGE FORMERS F3-II 3-lBI/BBALSA EXHAUST STACKS I/S BALSA BALSAVIB BALSA & BALSA~ TAIL WHEELLAS SHEET COVERING COLOR SCHEW UPPER SURFACE FLAT NAVY BLUE LOWER SURFACE FLAT CLOUD GRAY CROSS AND STRIPES WHITE FS /6/7/8 /15FB --F17 1/16 WIRE FIBJ BLOCK4-40 BOLT GEAR EJHOUSINGRADIATOR CROSSGEAR FAIRING SECTIONNCARDBOARD 1/2 SO BALSA BALSA BALSA zJABC CROSS SECTION 2 V2 WHEELSt /20 S NC SPAS45 N W NCAREC3C SQ N CNGTH35 CCN ENGINE SZC35 SCALE1N1FT WSS C-3603 WORLD WAR 2 FGHTER CESGNEONKEC BC CHUCK FETCN p 0 0 CD S -I 0 Swiss WW II Fighter place right wing side Cover top wing 3/32 sheet balsa leaving opening pushrod exit Chamfer wing sheeting trailing edge Add a tips sand shape Fuselage Begin fuselage cutting out 3/16 balsa crutch piece shown fuselage top view Cut out fuselage formers Bend 1/16 tail-wheel gear shown attach F12 thread ap plying glue thread Pin crutch over plans glue formers F3 FIl crutch Add /4 X /8 stringers down top sides hardwood motor mounts next Try following procedure avoid misalignment problems Mark drill engine mounting holes hardwood mount Install 4-40 blind nuts hole bottom side mount Slide mounts position through formers F3 F4 bolt engine mounts Epoxy mounts firmly place thoroughly dry remove engine mounts will perfect position Note engine shaft exten sion such Veco brand used move engine towards rear cowl room Keep mind locating motor mounts Choose fuel tank install under motor mounts front end tank will butted up against back F19 used Veco 4 oz square wedge tank tank secured 1 aluminum strap slipped over tank fill tube bolted through sides motor mounts 4-40 bolt per side sure attach generous lengths fuel tubing tank vent Formers F12 through F19 now glued bottom side crutch Add stringers down sides bottom center shown side view Epoxy two 3/16 cowl hold down dowels through former F19 Test fit wing place making sure enough room cut out aft fuselage formers pushrod operate freely Cut wing saddle pieces a glue place fuselage now covered 1/16 sheet balsa Cut opening left fuselage side between FlO Fl pushrod exit Add balsa block behind F12 block under stabilizer aft Fl Add balsa block between form ers F2 F3 block must hollowed out fit engine Drill hole centerline F2 shown install 4-40 blind nut back side used cowl attach Cement F2 crutch balsa block cockpit made entirely balsa ends balsa blocks middle section sides /8 balsa top two a strips laminated together Cockpit formers /s balsa shown cross section view glued cockpit four locations shown side view sides top glued formers balsa blocks added ends Sand cockpit shape shown cross-section view Cowl cowl comprised formers F F20 balsa block between formers two holes near base F20 must align 3/16 dowels previously installed F19 /8 hole Fl must align blind nut previ ously installed F2 Hollow out balsa block fit engine make cutouts cylinder head exhaust needle valve required Apply coat epoxy inside cowl fuel proofing Stab Fins Cut out stabilizer fins t balsa round off lead ing trailing edges shown Hinge elevator stabilizer using Klett RK2-7 hinges Glue rudders fins rud ders offset /s outside flying circle Glue fins stabilizer Joining point wing glued place balsa saddle em pennage assembly glued bottom balsa block behind former El dry add balsa block top stabilizer behind former FII blocks now sanded blend fuselage shape Radiator Gear Housing Gear Fairing Exhausts radiator consists /8 balsa sides a bottom shown side cross-section views located fuselage centerline gear housing made a sanded shape shown wing top view fuselage side view gear wire passes through center housing housing must cut glued around gear wire gear fairing made three pieces cardboard Piece B bent shown fairing detail view glued piece turn glued tabs piece C assembly glued front landing gear wire exhaust stacks made three balsa strips shown detail drawing attached fuselage shown side view Finishing Use Hobbypoxy Stuff fill surface defects Use microballoons make fillet wing fuselage inter section Also make fillets between fin stabilizer stabilizer fuselage gear housing wing radiator fuse lage intersections Give model two coats clear dope two coats sanding sealer sanding lightly after coat Painting model has navy blue upper surface cloud gray lower surface cockpit Aero Gloss Military Flat dope used give realistic dull finish addition flat dope covers well out streaking showing brush marks Exhaust stacks nose spinner flat black 3-bladed 9/6 Tornado propeller flat black white stripes tips Use Monokote trim sheet make crosses wing stripes cockpit framing aileron flap outlines wheelwells Final Assembly Attach 2 in Perfect brand whecls main tail gear respectively Attach Goldberg long control horn elevator hookup pushrod sure balance model point shown plans before flying March1976 25 Bottom view also reflects nest lines make easy construction Adept builders may improvise modeling stunt airfoil wish three-bladed 9/6 Tornado propeller fits requirements nicely painted flat black white stripes tips twin rudders angled toward outside flying circle help maintain line tension no un sightly offset thrust engine itself
Edition: Model Aviation - 1976/03
Page Numbers: 22, 23, 24, 25
ovIb ar 2 1fliiijv TO THE SWISS perhaps other nation war abhorrent phenomenon peculiar others Despite aversion violence Swiss will readily fight maintain now tradi tional neutrality Swiss Air Force unique its personnel militiacivilians 10 months year terms Swiss Confederation expressly forbid maintenance regular forces Flugwaffe Swiss Air arm generally known true compo nent militia tasks Flug Chuck Felton Photos Lane Mosby wafre have remained virtually unchanged throughout history Swiss military aviation namely ensure integrity Swiss air space challenging necessary destroying intruder defend ing Switzerland aerial attack providing strike reconnaissance sup port Swiss ground forces Federal Aircraft Factory offi cial government establishment manufactures aircraft Swiss Air Force Most Swiss aircraft have bought built under license other countries its few indigenous designs C-3603 As threat war Europe appeared ever likely ma terialize Swiss Federal Government revived 1938 C-36 design evolved few years previously view provid ing Swiss Air Force modern ground-attack equipment original single tail C-3600 project remained de sign two prototypes twin tail assemblies ordered differed powerplants Both machines nonretracting undercarriages twoman crew accommodated tandem seats beneath extended canopy C-3601 made its maiden flight spring 1939 C-3602 following November same year thorough test program two machines followed order 160 production aircraft under designation C-3603 powerful model made its appearance first flight August 21 1944 C-3604 order placed 100 machines type As things turned out however advent jet engine fighters caused Swiss governThe rear-quarter view reveals pleasant propor tions flying model Engine shaft extension such Veco affords good nose lines Finish Aero Gloss Military Flat trimcrosses wing stripes cockpit framing aileron flap outlines wheel wells Monokote upper surfaces Navy blue underside cockpit cloud gray one-inch-to-the-foot scale gives generous wing span 45 inches ment curtail orders C-3604 production type ceased after 13 completed Over 30 years later C-3604s still serving Swiss Air Force Twenty-two have converted turbo-prop engines target-towing duties designated C-3605 version model built scale 1 gives wing span 45 length 355 quite light its size adequately powered engines 29 35 size designed scale sport flying built stunt fly ing although model will sharp wingover flat bottom wing thick airfoil gives lot lift low speed prevents model lrom sinking like rock engine stops landing glide smooth stable stance main landing gear wide enough give smooth landings wing tip scraping addition long tail-moment forward location main gear virtually elimi nate nosing over landing size model allows engine neatly cowled eliminating protruding engine cylinder head canopy made balsa plastic two reasons First easier average modeler build balsa secondly few photos avail able obtain interior cockpit details However think will agree balsa canopy its black strip framework presents neat appearance Before start construction phase wish thank Mr H Rhomberg Swiss Aircraft Factory Technical Depart ment providing set 3-view drawings C-3603 aircraft Construction Wing Cut out wing ribs Cut out holes ribs bellcrank leadout wires left ribs Cut out join a spars joiner proper dihedral angle shown wing front view dry glue ribs spars Add 1/4 X spars between ribsWl W3 both top bottom Make two landing gears patterns shown wing top view fuselage side view Cut out mount ing platforms landing gear bellcrank Attach landing gear platforms thread Apply glue thread extra strength Insert platforms place wing glue /4 sq balsa supports shown wing front view Epoxy platforms alsa supports wing ribs bellcrank platform installed similar manner Install 3 Perfect bellcrank 3/16 wire pushrod Bellcrank leadouts made 1/32 wire Cover bottom xing 3/32 sheet balsa Cement l-oz wing-tip weight designer finished model fillets made microballoons Although stunt model does snappy wingovers March1976 23 lower engine cowl quickly removable access engine its mounting bolts engine itself easy remove replace high-lift wing yields exceptional landings C-3603 forced down Allied Luftwaffe planes over Swiss air space As 29 35 powered model designed expressly sport flying BLIND JT EAiR00~jjAL 00 WI FEATHER TE W4 HINGES W2 WING RIBS WI23 1/4 BW3 JOINERW4 TO WIOB /3/4 FUSELAGE FORMERS F3-II 3-lBI/BBALSA EXHAUST STACKS I/S BALSA BALSAVIB BALSA & BALSA~ TAIL WHEELLAS SHEET COVERING COLOR SCHEW UPPER SURFACE FLAT NAVY BLUE LOWER SURFACE FLAT CLOUD GRAY CROSS AND STRIPES WHITE FS /6/7/8 /15FB --F17 1/16 WIRE FIBJ BLOCK4-40 BOLT GEAR EJHOUSINGRADIATOR CROSSGEAR FAIRING SECTIONNCARDBOARD 1/2 SO BALSA BALSA BALSA zJABC CROSS SECTION 2 V2 WHEELSt /20 S NC SPAS45 N W NCAREC3C SQ N CNGTH35 CCN ENGINE SZC35 SCALE1N1FT WSS C-3603 WORLD WAR 2 FGHTER CESGNEONKEC BC CHUCK FETCN p 0 0 CD S -I 0 Swiss WW II Fighter place right wing side Cover top wing 3/32 sheet balsa leaving opening pushrod exit Chamfer wing sheeting trailing edge Add a tips sand shape Fuselage Begin fuselage cutting out 3/16 balsa crutch piece shown fuselage top view Cut out fuselage formers Bend 1/16 tail-wheel gear shown attach F12 thread ap plying glue thread Pin crutch over plans glue formers F3 FIl crutch Add /4 X /8 stringers down top sides hardwood motor mounts next Try following procedure avoid misalignment problems Mark drill engine mounting holes hardwood mount Install 4-40 blind nuts hole bottom side mount Slide mounts position through formers F3 F4 bolt engine mounts Epoxy mounts firmly place thoroughly dry remove engine mounts will perfect position Note engine shaft exten sion such Veco brand used move engine towards rear cowl room Keep mind locating motor mounts Choose fuel tank install under motor mounts front end tank will butted up against back F19 used Veco 4 oz square wedge tank tank secured 1 aluminum strap slipped over tank fill tube bolted through sides motor mounts 4-40 bolt per side sure attach generous lengths fuel tubing tank vent Formers F12 through F19 now glued bottom side crutch Add stringers down sides bottom center shown side view Epoxy two 3/16 cowl hold down dowels through former F19 Test fit wing place making sure enough room cut out aft fuselage formers pushrod operate freely Cut wing saddle pieces a glue place fuselage now covered 1/16 sheet balsa Cut opening left fuselage side between FlO Fl pushrod exit Add balsa block behind F12 block under stabilizer aft Fl Add balsa block between form ers F2 F3 block must hollowed out fit engine Drill hole centerline F2 shown install 4-40 blind nut back side used cowl attach Cement F2 crutch balsa block cockpit made entirely balsa ends balsa blocks middle section sides /8 balsa top two a strips laminated together Cockpit formers /s balsa shown cross section view glued cockpit four locations shown side view sides top glued formers balsa blocks added ends Sand cockpit shape shown cross-section view Cowl cowl comprised formers F F20 balsa block between formers two holes near base F20 must align 3/16 dowels previously installed F19 /8 hole Fl must align blind nut previ ously installed F2 Hollow out balsa block fit engine make cutouts cylinder head exhaust needle valve required Apply coat epoxy inside cowl fuel proofing Stab Fins Cut out stabilizer fins t balsa round off lead ing trailing edges shown Hinge elevator stabilizer using Klett RK2-7 hinges Glue rudders fins rud ders offset /s outside flying circle Glue fins stabilizer Joining point wing glued place balsa saddle em pennage assembly glued bottom balsa block behind former El dry add balsa block top stabilizer behind former FII blocks now sanded blend fuselage shape Radiator Gear Housing Gear Fairing Exhausts radiator consists /8 balsa sides a bottom shown side cross-section views located fuselage centerline gear housing made a sanded shape shown wing top view fuselage side view gear wire passes through center housing housing must cut glued around gear wire gear fairing made three pieces cardboard Piece B bent shown fairing detail view glued piece turn glued tabs piece C assembly glued front landing gear wire exhaust stacks made three balsa strips shown detail drawing attached fuselage shown side view Finishing Use Hobbypoxy Stuff fill surface defects Use microballoons make fillet wing fuselage inter section Also make fillets between fin stabilizer stabilizer fuselage gear housing wing radiator fuse lage intersections Give model two coats clear dope two coats sanding sealer sanding lightly after coat Painting model has navy blue upper surface cloud gray lower surface cockpit Aero Gloss Military Flat dope used give realistic dull finish addition flat dope covers well out streaking showing brush marks Exhaust stacks nose spinner flat black 3-bladed 9/6 Tornado propeller flat black white stripes tips Use Monokote trim sheet make crosses wing stripes cockpit framing aileron flap outlines wheelwells Final Assembly Attach 2 in Perfect brand whecls main tail gear respectively Attach Goldberg long control horn elevator hookup pushrod sure balance model point shown plans before flying March1976 25 Bottom view also reflects nest lines make easy construction Adept builders may improvise modeling stunt airfoil wish three-bladed 9/6 Tornado propeller fits requirements nicely painted flat black white stripes tips twin rudders angled toward outside flying circle help maintain line tension no un sightly offset thrust engine itself
Edition: Model Aviation - 1976/03
Page Numbers: 22, 23, 24, 25
ovIb ar 2 1fliiijv TO THE SWISS perhaps other nation war abhorrent phenomenon peculiar others Despite aversion violence Swiss will readily fight maintain now tradi tional neutrality Swiss Air Force unique its personnel militiacivilians 10 months year terms Swiss Confederation expressly forbid maintenance regular forces Flugwaffe Swiss Air arm generally known true compo nent militia tasks Flug Chuck Felton Photos Lane Mosby wafre have remained virtually unchanged throughout history Swiss military aviation namely ensure integrity Swiss air space challenging necessary destroying intruder defend ing Switzerland aerial attack providing strike reconnaissance sup port Swiss ground forces Federal Aircraft Factory offi cial government establishment manufactures aircraft Swiss Air Force Most Swiss aircraft have bought built under license other countries its few indigenous designs C-3603 As threat war Europe appeared ever likely ma terialize Swiss Federal Government revived 1938 C-36 design evolved few years previously view provid ing Swiss Air Force modern ground-attack equipment original single tail C-3600 project remained de sign two prototypes twin tail assemblies ordered differed powerplants Both machines nonretracting undercarriages twoman crew accommodated tandem seats beneath extended canopy C-3601 made its maiden flight spring 1939 C-3602 following November same year thorough test program two machines followed order 160 production aircraft under designation C-3603 powerful model made its appearance first flight August 21 1944 C-3604 order placed 100 machines type As things turned out however advent jet engine fighters caused Swiss governThe rear-quarter view reveals pleasant propor tions flying model Engine shaft extension such Veco affords good nose lines Finish Aero Gloss Military Flat trimcrosses wing stripes cockpit framing aileron flap outlines wheel wells Monokote upper surfaces Navy blue underside cockpit cloud gray one-inch-to-the-foot scale gives generous wing span 45 inches ment curtail orders C-3604 production type ceased after 13 completed Over 30 years later C-3604s still serving Swiss Air Force Twenty-two have converted turbo-prop engines target-towing duties designated C-3605 version model built scale 1 gives wing span 45 length 355 quite light its size adequately powered engines 29 35 size designed scale sport flying built stunt fly ing although model will sharp wingover flat bottom wing thick airfoil gives lot lift low speed prevents model lrom sinking like rock engine stops landing glide smooth stable stance main landing gear wide enough give smooth landings wing tip scraping addition long tail-moment forward location main gear virtually elimi nate nosing over landing size model allows engine neatly cowled eliminating protruding engine cylinder head canopy made balsa plastic two reasons First easier average modeler build balsa secondly few photos avail able obtain interior cockpit details However think will agree balsa canopy its black strip framework presents neat appearance Before start construction phase wish thank Mr H Rhomberg Swiss Aircraft Factory Technical Depart ment providing set 3-view drawings C-3603 aircraft Construction Wing Cut out wing ribs Cut out holes ribs bellcrank leadout wires left ribs Cut out join a spars joiner proper dihedral angle shown wing front view dry glue ribs spars Add 1/4 X spars between ribsWl W3 both top bottom Make two landing gears patterns shown wing top view fuselage side view Cut out mount ing platforms landing gear bellcrank Attach landing gear platforms thread Apply glue thread extra strength Insert platforms place wing glue /4 sq balsa supports shown wing front view Epoxy platforms alsa supports wing ribs bellcrank platform installed similar manner Install 3 Perfect bellcrank 3/16 wire pushrod Bellcrank leadouts made 1/32 wire Cover bottom xing 3/32 sheet balsa Cement l-oz wing-tip weight designer finished model fillets made microballoons Although stunt model does snappy wingovers March1976 23 lower engine cowl quickly removable access engine its mounting bolts engine itself easy remove replace high-lift wing yields exceptional landings C-3603 forced down Allied Luftwaffe planes over Swiss air space As 29 35 powered model designed expressly sport flying BLIND JT EAiR00~jjAL 00 WI FEATHER TE W4 HINGES W2 WING RIBS WI23 1/4 BW3 JOINERW4 TO WIOB /3/4 FUSELAGE FORMERS F3-II 3-lBI/BBALSA EXHAUST STACKS I/S BALSA BALSAVIB BALSA & BALSA~ TAIL WHEELLAS SHEET COVERING COLOR SCHEW UPPER SURFACE FLAT NAVY BLUE LOWER SURFACE FLAT CLOUD GRAY CROSS AND STRIPES WHITE FS /6/7/8 /15FB --F17 1/16 WIRE FIBJ BLOCK4-40 BOLT GEAR EJHOUSINGRADIATOR CROSSGEAR FAIRING SECTIONNCARDBOARD 1/2 SO BALSA BALSA BALSA zJABC CROSS SECTION 2 V2 WHEELSt /20 S NC SPAS45 N W NCAREC3C SQ N CNGTH35 CCN ENGINE SZC35 SCALE1N1FT WSS C-3603 WORLD WAR 2 FGHTER CESGNEONKEC BC CHUCK FETCN p 0 0 CD S -I 0 Swiss WW II Fighter place right wing side Cover top wing 3/32 sheet balsa leaving opening pushrod exit Chamfer wing sheeting trailing edge Add a tips sand shape Fuselage Begin fuselage cutting out 3/16 balsa crutch piece shown fuselage top view Cut out fuselage formers Bend 1/16 tail-wheel gear shown attach F12 thread ap plying glue thread Pin crutch over plans glue formers F3 FIl crutch Add /4 X /8 stringers down top sides hardwood motor mounts next Try following procedure avoid misalignment problems Mark drill engine mounting holes hardwood mount Install 4-40 blind nuts hole bottom side mount Slide mounts position through formers F3 F4 bolt engine mounts Epoxy mounts firmly place thoroughly dry remove engine mounts will perfect position Note engine shaft exten sion such Veco brand used move engine towards rear cowl room Keep mind locating motor mounts Choose fuel tank install under motor mounts front end tank will butted up against back F19 used Veco 4 oz square wedge tank tank secured 1 aluminum strap slipped over tank fill tube bolted through sides motor mounts 4-40 bolt per side sure attach generous lengths fuel tubing tank vent Formers F12 through F19 now glued bottom side crutch Add stringers down sides bottom center shown side view Epoxy two 3/16 cowl hold down dowels through former F19 Test fit wing place making sure enough room cut out aft fuselage formers pushrod operate freely Cut wing saddle pieces a glue place fuselage now covered 1/16 sheet balsa Cut opening left fuselage side between FlO Fl pushrod exit Add balsa block behind F12 block under stabilizer aft Fl Add balsa block between form ers F2 F3 block must hollowed out fit engine Drill hole centerline F2 shown install 4-40 blind nut back side used cowl attach Cement F2 crutch balsa block cockpit made entirely balsa ends balsa blocks middle section sides /8 balsa top two a strips laminated together Cockpit formers /s balsa shown cross section view glued cockpit four locations shown side view sides top glued formers balsa blocks added ends Sand cockpit shape shown cross-section view Cowl cowl comprised formers F F20 balsa block between formers two holes near base F20 must align 3/16 dowels previously installed F19 /8 hole Fl must align blind nut previ ously installed F2 Hollow out balsa block fit engine make cutouts cylinder head exhaust needle valve required Apply coat epoxy inside cowl fuel proofing Stab Fins Cut out stabilizer fins t balsa round off lead ing trailing edges shown Hinge elevator stabilizer using Klett RK2-7 hinges Glue rudders fins rud ders offset /s outside flying circle Glue fins stabilizer Joining point wing glued place balsa saddle em pennage assembly glued bottom balsa block behind former El dry add balsa block top stabilizer behind former FII blocks now sanded blend fuselage shape Radiator Gear Housing Gear Fairing Exhausts radiator consists /8 balsa sides a bottom shown side cross-section views located fuselage centerline gear housing made a sanded shape shown wing top view fuselage side view gear wire passes through center housing housing must cut glued around gear wire gear fairing made three pieces cardboard Piece B bent shown fairing detail view glued piece turn glued tabs piece C assembly glued front landing gear wire exhaust stacks made three balsa strips shown detail drawing attached fuselage shown side view Finishing Use Hobbypoxy Stuff fill surface defects Use microballoons make fillet wing fuselage inter section Also make fillets between fin stabilizer stabilizer fuselage gear housing wing radiator fuse lage intersections Give model two coats clear dope two coats sanding sealer sanding lightly after coat Painting model has navy blue upper surface cloud gray lower surface cockpit Aero Gloss Military Flat dope used give realistic dull finish addition flat dope covers well out streaking showing brush marks Exhaust stacks nose spinner flat black 3-bladed 9/6 Tornado propeller flat black white stripes tips Use Monokote trim sheet make crosses wing stripes cockpit framing aileron flap outlines wheelwells Final Assembly Attach 2 in Perfect brand whecls main tail gear respectively Attach Goldberg long control horn elevator hookup pushrod sure balance model point shown plans before flying March1976 25 Bottom view also reflects nest lines make easy construction Adept builders may improvise modeling stunt airfoil wish three-bladed 9/6 Tornado propeller fits requirements nicely painted flat black white stripes tips twin rudders angled toward outside flying circle help maintain line tension no un sightly offset thrust engine itself