NO OCR TEXT EVER WONDER WHY some full-scale aircraft repeatedly chosen subjects modeling others rarely developed Im sure wide diverse group motivational forces work desire recreate longtime personal favorites comfort found having seen certain Scale models fly well French-designed Druine Turbulent short macho appeal warbird spectacular colors aerobatics contemporary acrobatic prototypes undeniably long simplicity diminutive size its undeniable resemblance model aircraft adds its appeal popularity Turbulent modeling subject likely ties directly its long-running popularity full-scale home-builders worldwideparticularly England France has relatively simple all-wood construction minimum welded tubing sheet metal excellent aerodynamics Designed 1950 around easily available War surplus aircooled Volkswagen engines 36 hp Turbulents very diminutive 215 ft span 173 ft length Yet cruise 87 mph will climb 450 fpm gross weight 620 pounds As Scale subject Turbulents long fuselage moments wide stance gear placement constant-chord wing nearly ideal Much delight model presented just stable lands just nicely similar sport designs mildly aerobatic yet very easy fly land holding down all-up weight using scale dihedral keeping power moderate absolute joy fly CONSTRUCTION Turbulent designed modeler some previous experience building plans Although flies gently enough newcomer construction bit advanced experience level As result instructions will cover aspects peculiar project Materials materials hardware stock can obtained local hobby shop mail manufacturers prebent landing gear available Sig requires two slight modifications no complex wire bending required shock absorbers stock RC car units certainly critical models handling add touch realism prepainted pilot shown MGA Pilots Fresno CA 93755 local dealer Other types might adaptable instrument panel preassembled unit Midwest Products #1099 adapted trimming corners fit prototype has flown wonderfully Saito four-stroke twin single-cylinder 60-80 four-stroke should just satisfactory would recommend two-stroke single larger 60 90 four-stroke Turbi intended fly much slowly sport Pattern design same size Should builder currently own previous model Saito 90 twin have shown modified firewall etc will accommodate new version need nylon grommet extenders used new version considerably longer fore aft needle valves horizontal single-cylinder power plant used could construct semiscale Volkswagen engine side cowl using pill bottles scraps wood tubing mount models engine right sidewinder style inverted Turbulent presented close scale outline contour chose omit prototypes wing slots primarily since wanted able spin snaproll model does very nicely Nonscale strip ailerons add further simplifying construction wing Primary adhesive medium cyanoacrylate CyA glue epoxy used high-stress areas such landing gear engine attachment Balsa should chosen match its intended use Light C-grain formers September 1999 33 Old-style Saito 90 twin requires hardware-store standoffs required newer version shown plan Cowl plug foam layers glass epoxy over Dowel handle convenience during fabrication Aileron servo mounted removable plywood plate screwed basswood crosspieces wing Empennage built using sandwich method Sheet balsa core strips added ribs edges Block-sand final shape Light strong simple wing ribs trailing edges tail group medium C-grain fuselage sides light A-grain planked areas Plywood should birch aircraft-grade hardwood wing spars should long-grain Sitka spruce obtainable basswood can substituted Landing gear blocks stock Sig items Tail wheel bracket hardware GoldberglKlett GD-23 tiller cut half mounted 2-56 bolts nuts empennage hinges should molded-and-pinned type such Du-Bro 117 Sig SH-2 17 Laminated hof hinges fine ailerons several steps construction bit out ordinaiy have borrowed designers have used successfully years instance techniques simplistic altematives Tail Feathers constructed using sandwich technique first saw Free Flight Scale designs Englands Eric Coates 30 years ago advantage considerable strength light weight surfaces appropriate flat sheet stock built up top bottom sections strip sheet sandwiches block-sanded desired airfoil shapes tapers required #100 paper rough out shape finer grades paper finish approach infinitely simpler accurate shimming up framework ribs leading trailing edges forth covering sheet either side Cut hinge slots install elevator joiner before cutting out rudder slot rounding exterior edges beveling DRLIIN ULENT Type RC Sport Scale Wingspan 72 inches Engine Up 90 four-stroke 60 two-stroke Flying weight Nine pounds Construction Built-up 34 Model Aviation ssembled wingtip blocked up proper shape Scrap Center section wing has plywood center rib balsa outer balsa fill around front spars sand contour ribs Landing gear blocks backed plywood Covering/finish Film Continued page 39 author describes Turbulents structure light yet sufficiently strong Strip ailerons simplify construction Druine/Mathews Continued page 34 rudder/elevator faces Since fin/rudder considerably wider base top wide bevel necessary freeswinging rudder movement elevator joiner system uses Sig SH-554 center-position horn steel wire molded crimped nylon horn unit will hooked up inside tail solder link should wrapped copper wire soldered prevent its working loose During final assembly access hole elevator horn cut stab mount Reach down hole pair hemostats draw outer portion NyrodTM up through premeasured Du-Bro DU173 wire pushrod attached via solder link elevator horn threaded outer rod stab epoxied tail mount threaded clevis used servo end control Note fins rear post runs way down tail wheel mount Try bevel portion fill around fuselage rear tight fit prior permanently attaching epoxy after covering Fuselage This fuselage construction based techniques used Englands Opiiurii High performance 2 mu vinyl graphics masking Set includes Raven masking gold border fuse wing wheel pants Oracle graphics wing stab fuse Price Option 2 Factory applied graphics DuPont Chroma paint Graphics t Gene Barton Spinner $60 Gordon Whitehead 48-inch 20 fourstroke Turbulent published RCM 1977 Develop kit parts transferring patterns wood appropriate sizes prefer make photocopies pans cut out glue wood using glue stick Drill required holes before assembling parts sheet sides balsa plywood doublers precut installed after strip framework rear areas has completed nose end blocked up rest weighted flat building surface forward unit can assembled epoxy produce smooth taper F-3 firewall Since fuselage box top flat tail post firewall sides can assembled over top view using pairs identical crossmembers formers Trial-assemble masking tape clamps run medium CyA along joints Add tail wheel plywood insert crossgrained balsa bottom plywood tank area Remove drawing sand out roughness complete fuselage adding turtledeck formers stringers Sheet-covered areas easily fabricated adhering bottom edge side fuselage box spraying sheet diluted ammonia water gently pulling sheet down onto formers center strip using thick CyA Just looking Turbo Raven screams EXTREME Two months after its debut Stockton CA Airshow 11/98 Wayne new Turbo Raven set new time-toclimb world record sea level 3000 meters 9843 feet less minute 10 seconds Turbo Ravens sexy sleek lines generous proportions ie large fin/rudder area gigantic strip ailerons allowed us design fully molded great flying model deviating originals outline no STAND-OFF-SCALE 4 Light weight hollow-core wing technology utilizing epoxy glass & carbon fiber skin hinging both wing stabilizer vable wing stab already mounted on fiber gear strut its mount hardware place ble gel-coat surfacing red/white no shrink film used zontally split engine cowl realism service ability removing prop spinner 4 Control surface horns attached oductory Price True top edge metal straightedge sharp knife repeat other half cockpit floor sits inside box cockpit coaming can cut pattern made folding sheet paper half drawing desired outline cutting scissors provide mirror-image pattern can drawn onto cut balsa sheet Wing Make copies ribs adhere appropriate sheet stock glue stick Stack-cut ribs using patterns very accurate cutting spar slots Dont forget holes aileron extension lines ribs will have plywood dihedral brace run through should scored pushing modeling knife through leaving enough uncut material hold together until wing panels joined center section wing builds flat work surface front spar back Start pinning lower trailing edge sheet aileron hinge spar using two ribs position lower spars Install center rib tilting bottom up using dihedral gauge Add lower sheet aft front spar position adhere ribs using precut shear webs guides Note bottom rear sheet has aileron hinge spar top upper butts Aviation 935 Tamarack Avenue San Jose CA 95128 Phone 408248-4642 Fax 408248-4642 Email slpstream@earthlinknet Website wwwslipstream-aviationcOm September 1999 39 First Line Signature Series Airtrft PUT ON SOME AIRS Sport-Airs Train -Airsl Train-Air 20 $5795 Train-Air 40 $7295 Sport-Air 25 $6195 Sport-Air 40 $7795 PO Box 208 Methuen MA 01844 phone 978 686 0319 Internet wwwnortheastaerodynamicscom Visa Mastercard Welcome Call write full line catalog against Some block-sanding after assembly will create neat blend top joint wingtips should precut medium C-grain stock assembled flat added wing ends Install upper spars center-section sheeting rear spars cut matching angle cracked pulled down onto wingtip sheet also pulled down onto tip scrap balsa filler used front spars sanded final contour leading edge aileron ends shaped Aileron servos mounted plywood plate screwed onto built-in basswood blocks wing ailerons cut 3/ sheet balsa contoured taper top using razor plane sanding blocks Repeat above steps create opposite wing panel Center Section assembled independently wing panels first glance may seem complex studying drawings photo should clarify its fabrication Cut balsa plywood ribs plywood sections floor landing gear blocks Assemble center section same sequence wing panels using epoxy ribs must perpendicular surface dihedral brace built integrally two pieces butt against plywood center rib also rear brace wing dowels drilled installed after mating wing fuselage Add top sheeting use scrap aileron material fill above bottom plywood sheet sanded match Block up wing panel inch outermost rib using table edge sanding block final-sand inside rib level table edge Carefully punch out prescored notches slide dihedral brace inside panel panel blocked up center section held firm weights satisfied joint smear epoxy both rib faces dihedral brace slide together Repeat opposite panel After epoxy has cured sanding completed reinforce two joints wrapping one-inch glass tape epoxy around wing now ready mate fuselage Position drill holes wing dowels 12-inch-long /4 bit very handy Check straightness wing relative tail post before drilling tapping blocks -20 nylon wing bolts Cowl cowl fabricated using white foam plug created gluing measured block firewall spinner backplate cut shape bread knife coarse sandpaper attached three successive layers sixounce glass cloth HobbyPoxy II layer rough-sanded #80 sandpaper before adding next final coat HobbyPoxy layered inflated balloon party store pressed over slowly releasing air until clung rear plug produces nice smooth outer surface requiring small amount filling sanding cowl cut vertically razor saw behind spinner front firewall also cut horizontally midline cylinders story stick scrap balsa carefully cut trimmed create cutout pattern cylinder heads exhaust stacks Once would fit around pattern pencil-transferred onto cowl halves cutout carbide stone Dremel tool cowl screwed onto sections basswood block epoxied firewall has building worlds finest model ssories model airplane engines including Fo 432 42 58 aY4r Look Fox new entjpes coming soon Call today free catalog look us rnet wwwfoxman*faetWig com 501 646-1656 Fax 501 646-1757 5305 Towson Avenue Fort Smith AR 72901 e-mail foxmotors@aolcom 40 Model Aviation E CATALOGS SPPS 160 SupersJe Cmstucon Plans$500 SPPS 120060 Doasnentaai Pttc 3Vs$500 ASP ModeLAirat Ccmt1jd PIn$500 ASP SeAroft OrmMrigs 3Vs$500 Add $500 Ea Air Overseas 1/5 Sc WINNIE MAE 1002PcWing Plans $3700 Jim PepinosLOCKHEED VEGA SCALE PLANS & PHOTO SERVICE 3209 Madison Ave nsboro NC 27403 VisaiMCPHONE/FAX 910 292-5239 pftoffudth best model ajip lane parts Crtstom 4uilt R/C Al raft Eigines Sin e an4 Th[i1yli1der Gas Engines Visit Website wwwhxmanufacturingcom Sections plywood epoxied onto bottom half cutout other half held sheet-metal screws air scoops shown sections plastic spoon epoxied over holes cowl top hole allows additional cooling air enter escapes two similar holes cowl bottom did allow some clearance around cylinder cutouts have encountered no engine overheating problems Landing Gear unit Sigs scale Cub required modification bending rear leg forward using vise large ViseGripTM pliers because gear Turbi swept forward Cub crossbrace wires etc used joints wrapped soft copper wire silver-soldered using propane torch gear temporarily attached center section Sig SH 709 straps RC car shock absorbers functional really anything decorations attached wing plywood stubs adhered bottom spar held bolts elastic stop nuts held behind wheels washers soldered fore aft struts Covering/finish Scale Model Research 3114 Yukon Ave Costa Mesa CA has several color Foto-Paaks scale threeviews scale decoration desired colors markings chose pure whimsy After usual sanding vacuuming sections covered following manufacturers recommendation use low-heat plastics fabrics model Painted areas such cowl done matching shades Cheveron Perfect polyurethane interior tank area should have coated brushed-on epoxy before tank installed photo models numbers die-cut sticky-backed vinyl units office-supply store Trim colors UltraCoteTM ironed directly over base color problem since material breathes allows trapped air escape placing layer over another Minimal bubbling definite plus Preflight With ElectroDynamics onboard glow lighter its battery close firewall alongside 1200 mAh flight pack model required no nose weight balance However hesitate add nose weight reach safe balance point nor fly model tajiheavy condition Control throws called plans close optimum mild aerobatics Roll rate loops inside out spins snap rolls well-controlled predictable settings slow solidly reliable engine idle imperative Turbi since its relatively low wing loading model floater doesnt want stop flying Flying This Turbi pussycat flies like trainer Takeoffs simply matter lining up adding power watching take off climb No viciousness wide-set main gear landings joy Lineup keep level using /2 throttle base leg chop power idle final descent Three-point requires bit up elevator released just before touchdown Wheel landings sight behold Turbi settles gently onto its fat tires Turbis flight profile very much sport aerobatic model aerodynamics similar type model long tail moment rudder behind elevator semisymmetrical airfoil model wild flip jump dart designs either Turbulent Scale sport aerobatic model airplane Thatwas intent expectations have met fun airplane build enjoy athews 909 N Maize Rd #734 Wichita KS 67212 • 1Ifl1jjJ IS Products designed modelers modelers wont get bent out shape NEW Du-Bro Profile Landing Gear Profile Landing Gear 40 Size Profile Airplanes cant take bumps out rough landings can cer tainly solve problem landing gear getting bent out shape new Profile Landing Gear injection molded out state-ofthe-art materials absorb roughest landings Dont get bent out shape longer Du-Bro has solution Cat No792 Call Write free catalog Du-Bro Products Inc 480 Bonner Rd P0 Box 815 Wauconda IL 60084 1-800-848-9411 fax 847-526-1604 email re@dubrocom website http//wwwdubrocom September 1999 43
Edition: Model Aviation - 1999/09
Page Numbers: 32, 33, 34, 39, 40, 43
Edition: Model Aviation - 1999/09
Page Numbers: 32, 33, 34, 39, 40, 43
NO OCR TEXT EVER WONDER WHY some full-scale aircraft repeatedly chosen subjects modeling others rarely developed Im sure wide diverse group motivational forces work desire recreate longtime personal favorites comfort found having seen certain Scale models fly well French-designed Druine Turbulent short macho appeal warbird spectacular colors aerobatics contemporary acrobatic prototypes undeniably long simplicity diminutive size its undeniable resemblance model aircraft adds its appeal popularity Turbulent modeling subject likely ties directly its long-running popularity full-scale home-builders worldwideparticularly England France has relatively simple all-wood construction minimum welded tubing sheet metal excellent aerodynamics Designed 1950 around easily available War surplus aircooled Volkswagen engines 36 hp Turbulents very diminutive 215 ft span 173 ft length Yet cruise 87 mph will climb 450 fpm gross weight 620 pounds As Scale subject Turbulents long fuselage moments wide stance gear placement constant-chord wing nearly ideal Much delight model presented just stable lands just nicely similar sport designs mildly aerobatic yet very easy fly land holding down all-up weight using scale dihedral keeping power moderate absolute joy fly CONSTRUCTION Turbulent designed modeler some previous experience building plans Although flies gently enough newcomer construction bit advanced experience level As result instructions will cover aspects peculiar project Materials materials hardware stock can obtained local hobby shop mail manufacturers prebent landing gear available Sig requires two slight modifications no complex wire bending required shock absorbers stock RC car units certainly critical models handling add touch realism prepainted pilot shown MGA Pilots Fresno CA 93755 local dealer Other types might adaptable instrument panel preassembled unit Midwest Products #1099 adapted trimming corners fit prototype has flown wonderfully Saito four-stroke twin single-cylinder 60-80 four-stroke should just satisfactory would recommend two-stroke single larger 60 90 four-stroke Turbi intended fly much slowly sport Pattern design same size Should builder currently own previous model Saito 90 twin have shown modified firewall etc will accommodate new version need nylon grommet extenders used new version considerably longer fore aft needle valves horizontal single-cylinder power plant used could construct semiscale Volkswagen engine side cowl using pill bottles scraps wood tubing mount models engine right sidewinder style inverted Turbulent presented close scale outline contour chose omit prototypes wing slots primarily since wanted able spin snaproll model does very nicely Nonscale strip ailerons add further simplifying construction wing Primary adhesive medium cyanoacrylate CyA glue epoxy used high-stress areas such landing gear engine attachment Balsa should chosen match its intended use Light C-grain formers September 1999 33 Old-style Saito 90 twin requires hardware-store standoffs required newer version shown plan Cowl plug foam layers glass epoxy over Dowel handle convenience during fabrication Aileron servo mounted removable plywood plate screwed basswood crosspieces wing Empennage built using sandwich method Sheet balsa core strips added ribs edges Block-sand final shape Light strong simple wing ribs trailing edges tail group medium C-grain fuselage sides light A-grain planked areas Plywood should birch aircraft-grade hardwood wing spars should long-grain Sitka spruce obtainable basswood can substituted Landing gear blocks stock Sig items Tail wheel bracket hardware GoldberglKlett GD-23 tiller cut half mounted 2-56 bolts nuts empennage hinges should molded-and-pinned type such Du-Bro 117 Sig SH-2 17 Laminated hof hinges fine ailerons several steps construction bit out ordinaiy have borrowed designers have used successfully years instance techniques simplistic altematives Tail Feathers constructed using sandwich technique first saw Free Flight Scale designs Englands Eric Coates 30 years ago advantage considerable strength light weight surfaces appropriate flat sheet stock built up top bottom sections strip sheet sandwiches block-sanded desired airfoil shapes tapers required #100 paper rough out shape finer grades paper finish approach infinitely simpler accurate shimming up framework ribs leading trailing edges forth covering sheet either side Cut hinge slots install elevator joiner before cutting out rudder slot rounding exterior edges beveling DRLIIN ULENT Type RC Sport Scale Wingspan 72 inches Engine Up 90 four-stroke 60 two-stroke Flying weight Nine pounds Construction Built-up 34 Model Aviation ssembled wingtip blocked up proper shape Scrap Center section wing has plywood center rib balsa outer balsa fill around front spars sand contour ribs Landing gear blocks backed plywood Covering/finish Film Continued page 39 author describes Turbulents structure light yet sufficiently strong Strip ailerons simplify construction Druine/Mathews Continued page 34 rudder/elevator faces Since fin/rudder considerably wider base top wide bevel necessary freeswinging rudder movement elevator joiner system uses Sig SH-554 center-position horn steel wire molded crimped nylon horn unit will hooked up inside tail solder link should wrapped copper wire soldered prevent its working loose During final assembly access hole elevator horn cut stab mount Reach down hole pair hemostats draw outer portion NyrodTM up through premeasured Du-Bro DU173 wire pushrod attached via solder link elevator horn threaded outer rod stab epoxied tail mount threaded clevis used servo end control Note fins rear post runs way down tail wheel mount Try bevel portion fill around fuselage rear tight fit prior permanently attaching epoxy after covering Fuselage This fuselage construction based techniques used Englands Opiiurii High performance 2 mu vinyl graphics masking Set includes Raven masking gold border fuse wing wheel pants Oracle graphics wing stab fuse Price Option 2 Factory applied graphics DuPont Chroma paint Graphics t Gene Barton Spinner $60 Gordon Whitehead 48-inch 20 fourstroke Turbulent published RCM 1977 Develop kit parts transferring patterns wood appropriate sizes prefer make photocopies pans cut out glue wood using glue stick Drill required holes before assembling parts sheet sides balsa plywood doublers precut installed after strip framework rear areas has completed nose end blocked up rest weighted flat building surface forward unit can assembled epoxy produce smooth taper F-3 firewall Since fuselage box top flat tail post firewall sides can assembled over top view using pairs identical crossmembers formers Trial-assemble masking tape clamps run medium CyA along joints Add tail wheel plywood insert crossgrained balsa bottom plywood tank area Remove drawing sand out roughness complete fuselage adding turtledeck formers stringers Sheet-covered areas easily fabricated adhering bottom edge side fuselage box spraying sheet diluted ammonia water gently pulling sheet down onto formers center strip using thick CyA Just looking Turbo Raven screams EXTREME Two months after its debut Stockton CA Airshow 11/98 Wayne new Turbo Raven set new time-toclimb world record sea level 3000 meters 9843 feet less minute 10 seconds Turbo Ravens sexy sleek lines generous proportions ie large fin/rudder area gigantic strip ailerons allowed us design fully molded great flying model deviating originals outline no STAND-OFF-SCALE 4 Light weight hollow-core wing technology utilizing epoxy glass & carbon fiber skin hinging both wing stabilizer vable wing stab already mounted on fiber gear strut its mount hardware place ble gel-coat surfacing red/white no shrink film used zontally split engine cowl realism service ability removing prop spinner 4 Control surface horns attached oductory Price True top edge metal straightedge sharp knife repeat other half cockpit floor sits inside box cockpit coaming can cut pattern made folding sheet paper half drawing desired outline cutting scissors provide mirror-image pattern can drawn onto cut balsa sheet Wing Make copies ribs adhere appropriate sheet stock glue stick Stack-cut ribs using patterns very accurate cutting spar slots Dont forget holes aileron extension lines ribs will have plywood dihedral brace run through should scored pushing modeling knife through leaving enough uncut material hold together until wing panels joined center section wing builds flat work surface front spar back Start pinning lower trailing edge sheet aileron hinge spar using two ribs position lower spars Install center rib tilting bottom up using dihedral gauge Add lower sheet aft front spar position adhere ribs using precut shear webs guides Note bottom rear sheet has aileron hinge spar top upper butts Aviation 935 Tamarack Avenue San Jose CA 95128 Phone 408248-4642 Fax 408248-4642 Email slpstream@earthlinknet Website wwwslipstream-aviationcOm September 1999 39 First Line Signature Series Airtrft PUT ON SOME AIRS Sport-Airs Train -Airsl Train-Air 20 $5795 Train-Air 40 $7295 Sport-Air 25 $6195 Sport-Air 40 $7795 PO Box 208 Methuen MA 01844 phone 978 686 0319 Internet wwwnortheastaerodynamicscom Visa Mastercard Welcome Call write full line catalog against Some block-sanding after assembly will create neat blend top joint wingtips should precut medium C-grain stock assembled flat added wing ends Install upper spars center-section sheeting rear spars cut matching angle cracked pulled down onto wingtip sheet also pulled down onto tip scrap balsa filler used front spars sanded final contour leading edge aileron ends shaped Aileron servos mounted plywood plate screwed onto built-in basswood blocks wing ailerons cut 3/ sheet balsa contoured taper top using razor plane sanding blocks Repeat above steps create opposite wing panel Center Section assembled independently wing panels first glance may seem complex studying drawings photo should clarify its fabrication Cut balsa plywood ribs plywood sections floor landing gear blocks Assemble center section same sequence wing panels using epoxy ribs must perpendicular surface dihedral brace built integrally two pieces butt against plywood center rib also rear brace wing dowels drilled installed after mating wing fuselage Add top sheeting use scrap aileron material fill above bottom plywood sheet sanded match Block up wing panel inch outermost rib using table edge sanding block final-sand inside rib level table edge Carefully punch out prescored notches slide dihedral brace inside panel panel blocked up center section held firm weights satisfied joint smear epoxy both rib faces dihedral brace slide together Repeat opposite panel After epoxy has cured sanding completed reinforce two joints wrapping one-inch glass tape epoxy around wing now ready mate fuselage Position drill holes wing dowels 12-inch-long /4 bit very handy Check straightness wing relative tail post before drilling tapping blocks -20 nylon wing bolts Cowl cowl fabricated using white foam plug created gluing measured block firewall spinner backplate cut shape bread knife coarse sandpaper attached three successive layers sixounce glass cloth HobbyPoxy II layer rough-sanded #80 sandpaper before adding next final coat HobbyPoxy layered inflated balloon party store pressed over slowly releasing air until clung rear plug produces nice smooth outer surface requiring small amount filling sanding cowl cut vertically razor saw behind spinner front firewall also cut horizontally midline cylinders story stick scrap balsa carefully cut trimmed create cutout pattern cylinder heads exhaust stacks Once would fit around pattern pencil-transferred onto cowl halves cutout carbide stone Dremel tool cowl screwed onto sections basswood block epoxied firewall has building worlds finest model ssories model airplane engines including Fo 432 42 58 aY4r Look Fox new entjpes coming soon Call today free catalog look us rnet wwwfoxman*faetWig com 501 646-1656 Fax 501 646-1757 5305 Towson Avenue Fort Smith AR 72901 e-mail foxmotors@aolcom 40 Model Aviation E CATALOGS SPPS 160 SupersJe Cmstucon Plans$500 SPPS 120060 Doasnentaai Pttc 3Vs$500 ASP ModeLAirat Ccmt1jd PIn$500 ASP SeAroft OrmMrigs 3Vs$500 Add $500 Ea Air Overseas 1/5 Sc WINNIE MAE 1002PcWing Plans $3700 Jim PepinosLOCKHEED VEGA SCALE PLANS & PHOTO SERVICE 3209 Madison Ave nsboro NC 27403 VisaiMCPHONE/FAX 910 292-5239 pftoffudth best model ajip lane parts Crtstom 4uilt R/C Al raft Eigines Sin e an4 Th[i1yli1der Gas Engines Visit Website wwwhxmanufacturingcom Sections plywood epoxied onto bottom half cutout other half held sheet-metal screws air scoops shown sections plastic spoon epoxied over holes cowl top hole allows additional cooling air enter escapes two similar holes cowl bottom did allow some clearance around cylinder cutouts have encountered no engine overheating problems Landing Gear unit Sigs scale Cub required modification bending rear leg forward using vise large ViseGripTM pliers because gear Turbi swept forward Cub crossbrace wires etc used joints wrapped soft copper wire silver-soldered using propane torch gear temporarily attached center section Sig SH 709 straps RC car shock absorbers functional really anything decorations attached wing plywood stubs adhered bottom spar held bolts elastic stop nuts held behind wheels washers soldered fore aft struts Covering/finish Scale Model Research 3114 Yukon Ave Costa Mesa CA has several color Foto-Paaks scale threeviews scale decoration desired colors markings chose pure whimsy After usual sanding vacuuming sections covered following manufacturers recommendation use low-heat plastics fabrics model Painted areas such cowl done matching shades Cheveron Perfect polyurethane interior tank area should have coated brushed-on epoxy before tank installed photo models numbers die-cut sticky-backed vinyl units office-supply store Trim colors UltraCoteTM ironed directly over base color problem since material breathes allows trapped air escape placing layer over another Minimal bubbling definite plus Preflight With ElectroDynamics onboard glow lighter its battery close firewall alongside 1200 mAh flight pack model required no nose weight balance However hesitate add nose weight reach safe balance point nor fly model tajiheavy condition Control throws called plans close optimum mild aerobatics Roll rate loops inside out spins snap rolls well-controlled predictable settings slow solidly reliable engine idle imperative Turbi since its relatively low wing loading model floater doesnt want stop flying Flying This Turbi pussycat flies like trainer Takeoffs simply matter lining up adding power watching take off climb No viciousness wide-set main gear landings joy Lineup keep level using /2 throttle base leg chop power idle final descent Three-point requires bit up elevator released just before touchdown Wheel landings sight behold Turbi settles gently onto its fat tires Turbis flight profile very much sport aerobatic model aerodynamics similar type model long tail moment rudder behind elevator semisymmetrical airfoil model wild flip jump dart designs either Turbulent Scale sport aerobatic model airplane Thatwas intent expectations have met fun airplane build enjoy athews 909 N Maize Rd #734 Wichita KS 67212 • 1Ifl1jjJ IS Products designed modelers modelers wont get bent out shape NEW Du-Bro Profile Landing Gear Profile Landing Gear 40 Size Profile Airplanes cant take bumps out rough landings can cer tainly solve problem landing gear getting bent out shape new Profile Landing Gear injection molded out state-ofthe-art materials absorb roughest landings Dont get bent out shape longer Du-Bro has solution Cat No792 Call Write free catalog Du-Bro Products Inc 480 Bonner Rd P0 Box 815 Wauconda IL 60084 1-800-848-9411 fax 847-526-1604 email re@dubrocom website http//wwwdubrocom September 1999 43
Edition: Model Aviation - 1999/09
Page Numbers: 32, 33, 34, 39, 40, 43
NO OCR TEXT EVER WONDER WHY some full-scale aircraft repeatedly chosen subjects modeling others rarely developed Im sure wide diverse group motivational forces work desire recreate longtime personal favorites comfort found having seen certain Scale models fly well French-designed Druine Turbulent short macho appeal warbird spectacular colors aerobatics contemporary acrobatic prototypes undeniably long simplicity diminutive size its undeniable resemblance model aircraft adds its appeal popularity Turbulent modeling subject likely ties directly its long-running popularity full-scale home-builders worldwideparticularly England France has relatively simple all-wood construction minimum welded tubing sheet metal excellent aerodynamics Designed 1950 around easily available War surplus aircooled Volkswagen engines 36 hp Turbulents very diminutive 215 ft span 173 ft length Yet cruise 87 mph will climb 450 fpm gross weight 620 pounds As Scale subject Turbulents long fuselage moments wide stance gear placement constant-chord wing nearly ideal Much delight model presented just stable lands just nicely similar sport designs mildly aerobatic yet very easy fly land holding down all-up weight using scale dihedral keeping power moderate absolute joy fly CONSTRUCTION Turbulent designed modeler some previous experience building plans Although flies gently enough newcomer construction bit advanced experience level As result instructions will cover aspects peculiar project Materials materials hardware stock can obtained local hobby shop mail manufacturers prebent landing gear available Sig requires two slight modifications no complex wire bending required shock absorbers stock RC car units certainly critical models handling add touch realism prepainted pilot shown MGA Pilots Fresno CA 93755 local dealer Other types might adaptable instrument panel preassembled unit Midwest Products #1099 adapted trimming corners fit prototype has flown wonderfully Saito four-stroke twin single-cylinder 60-80 four-stroke should just satisfactory would recommend two-stroke single larger 60 90 four-stroke Turbi intended fly much slowly sport Pattern design same size Should builder currently own previous model Saito 90 twin have shown modified firewall etc will accommodate new version need nylon grommet extenders used new version considerably longer fore aft needle valves horizontal single-cylinder power plant used could construct semiscale Volkswagen engine side cowl using pill bottles scraps wood tubing mount models engine right sidewinder style inverted Turbulent presented close scale outline contour chose omit prototypes wing slots primarily since wanted able spin snaproll model does very nicely Nonscale strip ailerons add further simplifying construction wing Primary adhesive medium cyanoacrylate CyA glue epoxy used high-stress areas such landing gear engine attachment Balsa should chosen match its intended use Light C-grain formers September 1999 33 Old-style Saito 90 twin requires hardware-store standoffs required newer version shown plan Cowl plug foam layers glass epoxy over Dowel handle convenience during fabrication Aileron servo mounted removable plywood plate screwed basswood crosspieces wing Empennage built using sandwich method Sheet balsa core strips added ribs edges Block-sand final shape Light strong simple wing ribs trailing edges tail group medium C-grain fuselage sides light A-grain planked areas Plywood should birch aircraft-grade hardwood wing spars should long-grain Sitka spruce obtainable basswood can substituted Landing gear blocks stock Sig items Tail wheel bracket hardware GoldberglKlett GD-23 tiller cut half mounted 2-56 bolts nuts empennage hinges should molded-and-pinned type such Du-Bro 117 Sig SH-2 17 Laminated hof hinges fine ailerons several steps construction bit out ordinaiy have borrowed designers have used successfully years instance techniques simplistic altematives Tail Feathers constructed using sandwich technique first saw Free Flight Scale designs Englands Eric Coates 30 years ago advantage considerable strength light weight surfaces appropriate flat sheet stock built up top bottom sections strip sheet sandwiches block-sanded desired airfoil shapes tapers required #100 paper rough out shape finer grades paper finish approach infinitely simpler accurate shimming up framework ribs leading trailing edges forth covering sheet either side Cut hinge slots install elevator joiner before cutting out rudder slot rounding exterior edges beveling DRLIIN ULENT Type RC Sport Scale Wingspan 72 inches Engine Up 90 four-stroke 60 two-stroke Flying weight Nine pounds Construction Built-up 34 Model Aviation ssembled wingtip blocked up proper shape Scrap Center section wing has plywood center rib balsa outer balsa fill around front spars sand contour ribs Landing gear blocks backed plywood Covering/finish Film Continued page 39 author describes Turbulents structure light yet sufficiently strong Strip ailerons simplify construction Druine/Mathews Continued page 34 rudder/elevator faces Since fin/rudder considerably wider base top wide bevel necessary freeswinging rudder movement elevator joiner system uses Sig SH-554 center-position horn steel wire molded crimped nylon horn unit will hooked up inside tail solder link should wrapped copper wire soldered prevent its working loose During final assembly access hole elevator horn cut stab mount Reach down hole pair hemostats draw outer portion NyrodTM up through premeasured Du-Bro DU173 wire pushrod attached via solder link elevator horn threaded outer rod stab epoxied tail mount threaded clevis used servo end control Note fins rear post runs way down tail wheel mount Try bevel portion fill around fuselage rear tight fit prior permanently attaching epoxy after covering Fuselage This fuselage construction based techniques used Englands Opiiurii High performance 2 mu vinyl graphics masking Set includes Raven masking gold border fuse wing wheel pants Oracle graphics wing stab fuse Price Option 2 Factory applied graphics DuPont Chroma paint Graphics t Gene Barton Spinner $60 Gordon Whitehead 48-inch 20 fourstroke Turbulent published RCM 1977 Develop kit parts transferring patterns wood appropriate sizes prefer make photocopies pans cut out glue wood using glue stick Drill required holes before assembling parts sheet sides balsa plywood doublers precut installed after strip framework rear areas has completed nose end blocked up rest weighted flat building surface forward unit can assembled epoxy produce smooth taper F-3 firewall Since fuselage box top flat tail post firewall sides can assembled over top view using pairs identical crossmembers formers Trial-assemble masking tape clamps run medium CyA along joints Add tail wheel plywood insert crossgrained balsa bottom plywood tank area Remove drawing sand out roughness complete fuselage adding turtledeck formers stringers Sheet-covered areas easily fabricated adhering bottom edge side fuselage box spraying sheet diluted ammonia water gently pulling sheet down onto formers center strip using thick CyA Just looking Turbo Raven screams EXTREME Two months after its debut Stockton CA Airshow 11/98 Wayne new Turbo Raven set new time-toclimb world record sea level 3000 meters 9843 feet less minute 10 seconds Turbo Ravens sexy sleek lines generous proportions ie large fin/rudder area gigantic strip ailerons allowed us design fully molded great flying model deviating originals outline no STAND-OFF-SCALE 4 Light weight hollow-core wing technology utilizing epoxy glass & carbon fiber skin hinging both wing stabilizer vable wing stab already mounted on fiber gear strut its mount hardware place ble gel-coat surfacing red/white no shrink film used zontally split engine cowl realism service ability removing prop spinner 4 Control surface horns attached oductory Price True top edge metal straightedge sharp knife repeat other half cockpit floor sits inside box cockpit coaming can cut pattern made folding sheet paper half drawing desired outline cutting scissors provide mirror-image pattern can drawn onto cut balsa sheet Wing Make copies ribs adhere appropriate sheet stock glue stick Stack-cut ribs using patterns very accurate cutting spar slots Dont forget holes aileron extension lines ribs will have plywood dihedral brace run through should scored pushing modeling knife through leaving enough uncut material hold together until wing panels joined center section wing builds flat work surface front spar back Start pinning lower trailing edge sheet aileron hinge spar using two ribs position lower spars Install center rib tilting bottom up using dihedral gauge Add lower sheet aft front spar position adhere ribs using precut shear webs guides Note bottom rear sheet has aileron hinge spar top upper butts Aviation 935 Tamarack Avenue San Jose CA 95128 Phone 408248-4642 Fax 408248-4642 Email slpstream@earthlinknet Website wwwslipstream-aviationcOm September 1999 39 First Line Signature Series Airtrft PUT ON SOME AIRS Sport-Airs Train -Airsl Train-Air 20 $5795 Train-Air 40 $7295 Sport-Air 25 $6195 Sport-Air 40 $7795 PO Box 208 Methuen MA 01844 phone 978 686 0319 Internet wwwnortheastaerodynamicscom Visa Mastercard Welcome Call write full line catalog against Some block-sanding after assembly will create neat blend top joint wingtips should precut medium C-grain stock assembled flat added wing ends Install upper spars center-section sheeting rear spars cut matching angle cracked pulled down onto wingtip sheet also pulled down onto tip scrap balsa filler used front spars sanded final contour leading edge aileron ends shaped Aileron servos mounted plywood plate screwed onto built-in basswood blocks wing ailerons cut 3/ sheet balsa contoured taper top using razor plane sanding blocks Repeat above steps create opposite wing panel Center Section assembled independently wing panels first glance may seem complex studying drawings photo should clarify its fabrication Cut balsa plywood ribs plywood sections floor landing gear blocks Assemble center section same sequence wing panels using epoxy ribs must perpendicular surface dihedral brace built integrally two pieces butt against plywood center rib also rear brace wing dowels drilled installed after mating wing fuselage Add top sheeting use scrap aileron material fill above bottom plywood sheet sanded match Block up wing panel inch outermost rib using table edge sanding block final-sand inside rib level table edge Carefully punch out prescored notches slide dihedral brace inside panel panel blocked up center section held firm weights satisfied joint smear epoxy both rib faces dihedral brace slide together Repeat opposite panel After epoxy has cured sanding completed reinforce two joints wrapping one-inch glass tape epoxy around wing now ready mate fuselage Position drill holes wing dowels 12-inch-long /4 bit very handy Check straightness wing relative tail post before drilling tapping blocks -20 nylon wing bolts Cowl cowl fabricated using white foam plug created gluing measured block firewall spinner backplate cut shape bread knife coarse sandpaper attached three successive layers sixounce glass cloth HobbyPoxy II layer rough-sanded #80 sandpaper before adding next final coat HobbyPoxy layered inflated balloon party store pressed over slowly releasing air until clung rear plug produces nice smooth outer surface requiring small amount filling sanding cowl cut vertically razor saw behind spinner front firewall also cut horizontally midline cylinders story stick scrap balsa carefully cut trimmed create cutout pattern cylinder heads exhaust stacks Once would fit around pattern pencil-transferred onto cowl halves cutout carbide stone Dremel tool cowl screwed onto sections basswood block epoxied firewall has building worlds finest model ssories model airplane engines including Fo 432 42 58 aY4r Look Fox new entjpes coming soon Call today free catalog look us rnet wwwfoxman*faetWig com 501 646-1656 Fax 501 646-1757 5305 Towson Avenue Fort Smith AR 72901 e-mail foxmotors@aolcom 40 Model Aviation E CATALOGS SPPS 160 SupersJe Cmstucon Plans$500 SPPS 120060 Doasnentaai Pttc 3Vs$500 ASP ModeLAirat Ccmt1jd PIn$500 ASP SeAroft OrmMrigs 3Vs$500 Add $500 Ea Air Overseas 1/5 Sc WINNIE MAE 1002PcWing Plans $3700 Jim PepinosLOCKHEED VEGA SCALE PLANS & PHOTO SERVICE 3209 Madison Ave nsboro NC 27403 VisaiMCPHONE/FAX 910 292-5239 pftoffudth best model ajip lane parts Crtstom 4uilt R/C Al raft Eigines Sin e an4 Th[i1yli1der Gas Engines Visit Website wwwhxmanufacturingcom Sections plywood epoxied onto bottom half cutout other half held sheet-metal screws air scoops shown sections plastic spoon epoxied over holes cowl top hole allows additional cooling air enter escapes two similar holes cowl bottom did allow some clearance around cylinder cutouts have encountered no engine overheating problems Landing Gear unit Sigs scale Cub required modification bending rear leg forward using vise large ViseGripTM pliers because gear Turbi swept forward Cub crossbrace wires etc used joints wrapped soft copper wire silver-soldered using propane torch gear temporarily attached center section Sig SH 709 straps RC car shock absorbers functional really anything decorations attached wing plywood stubs adhered bottom spar held bolts elastic stop nuts held behind wheels washers soldered fore aft struts Covering/finish Scale Model Research 3114 Yukon Ave Costa Mesa CA has several color Foto-Paaks scale threeviews scale decoration desired colors markings chose pure whimsy After usual sanding vacuuming sections covered following manufacturers recommendation use low-heat plastics fabrics model Painted areas such cowl done matching shades Cheveron Perfect polyurethane interior tank area should have coated brushed-on epoxy before tank installed photo models numbers die-cut sticky-backed vinyl units office-supply store Trim colors UltraCoteTM ironed directly over base color problem since material breathes allows trapped air escape placing layer over another Minimal bubbling definite plus Preflight With ElectroDynamics onboard glow lighter its battery close firewall alongside 1200 mAh flight pack model required no nose weight balance However hesitate add nose weight reach safe balance point nor fly model tajiheavy condition Control throws called plans close optimum mild aerobatics Roll rate loops inside out spins snap rolls well-controlled predictable settings slow solidly reliable engine idle imperative Turbi since its relatively low wing loading model floater doesnt want stop flying Flying This Turbi pussycat flies like trainer Takeoffs simply matter lining up adding power watching take off climb No viciousness wide-set main gear landings joy Lineup keep level using /2 throttle base leg chop power idle final descent Three-point requires bit up elevator released just before touchdown Wheel landings sight behold Turbi settles gently onto its fat tires Turbis flight profile very much sport aerobatic model aerodynamics similar type model long tail moment rudder behind elevator semisymmetrical airfoil model wild flip jump dart designs either Turbulent Scale sport aerobatic model airplane Thatwas intent expectations have met fun airplane build enjoy athews 909 N Maize Rd #734 Wichita KS 67212 • 1Ifl1jjJ IS Products designed modelers modelers wont get bent out shape NEW Du-Bro Profile Landing Gear Profile Landing Gear 40 Size Profile Airplanes cant take bumps out rough landings can cer tainly solve problem landing gear getting bent out shape new Profile Landing Gear injection molded out state-ofthe-art materials absorb roughest landings Dont get bent out shape longer Du-Bro has solution Cat No792 Call Write free catalog Du-Bro Products Inc 480 Bonner Rd P0 Box 815 Wauconda IL 60084 1-800-848-9411 fax 847-526-1604 email re@dubrocom website http//wwwdubrocom September 1999 43
Edition: Model Aviation - 1999/09
Page Numbers: 32, 33, 34, 39, 40, 43
NO OCR TEXT EVER WONDER WHY some full-scale aircraft repeatedly chosen subjects modeling others rarely developed Im sure wide diverse group motivational forces work desire recreate longtime personal favorites comfort found having seen certain Scale models fly well French-designed Druine Turbulent short macho appeal warbird spectacular colors aerobatics contemporary acrobatic prototypes undeniably long simplicity diminutive size its undeniable resemblance model aircraft adds its appeal popularity Turbulent modeling subject likely ties directly its long-running popularity full-scale home-builders worldwideparticularly England France has relatively simple all-wood construction minimum welded tubing sheet metal excellent aerodynamics Designed 1950 around easily available War surplus aircooled Volkswagen engines 36 hp Turbulents very diminutive 215 ft span 173 ft length Yet cruise 87 mph will climb 450 fpm gross weight 620 pounds As Scale subject Turbulents long fuselage moments wide stance gear placement constant-chord wing nearly ideal Much delight model presented just stable lands just nicely similar sport designs mildly aerobatic yet very easy fly land holding down all-up weight using scale dihedral keeping power moderate absolute joy fly CONSTRUCTION Turbulent designed modeler some previous experience building plans Although flies gently enough newcomer construction bit advanced experience level As result instructions will cover aspects peculiar project Materials materials hardware stock can obtained local hobby shop mail manufacturers prebent landing gear available Sig requires two slight modifications no complex wire bending required shock absorbers stock RC car units certainly critical models handling add touch realism prepainted pilot shown MGA Pilots Fresno CA 93755 local dealer Other types might adaptable instrument panel preassembled unit Midwest Products #1099 adapted trimming corners fit prototype has flown wonderfully Saito four-stroke twin single-cylinder 60-80 four-stroke should just satisfactory would recommend two-stroke single larger 60 90 four-stroke Turbi intended fly much slowly sport Pattern design same size Should builder currently own previous model Saito 90 twin have shown modified firewall etc will accommodate new version need nylon grommet extenders used new version considerably longer fore aft needle valves horizontal single-cylinder power plant used could construct semiscale Volkswagen engine side cowl using pill bottles scraps wood tubing mount models engine right sidewinder style inverted Turbulent presented close scale outline contour chose omit prototypes wing slots primarily since wanted able spin snaproll model does very nicely Nonscale strip ailerons add further simplifying construction wing Primary adhesive medium cyanoacrylate CyA glue epoxy used high-stress areas such landing gear engine attachment Balsa should chosen match its intended use Light C-grain formers September 1999 33 Old-style Saito 90 twin requires hardware-store standoffs required newer version shown plan Cowl plug foam layers glass epoxy over Dowel handle convenience during fabrication Aileron servo mounted removable plywood plate screwed basswood crosspieces wing Empennage built using sandwich method Sheet balsa core strips added ribs edges Block-sand final shape Light strong simple wing ribs trailing edges tail group medium C-grain fuselage sides light A-grain planked areas Plywood should birch aircraft-grade hardwood wing spars should long-grain Sitka spruce obtainable basswood can substituted Landing gear blocks stock Sig items Tail wheel bracket hardware GoldberglKlett GD-23 tiller cut half mounted 2-56 bolts nuts empennage hinges should molded-and-pinned type such Du-Bro 117 Sig SH-2 17 Laminated hof hinges fine ailerons several steps construction bit out ordinaiy have borrowed designers have used successfully years instance techniques simplistic altematives Tail Feathers constructed using sandwich technique first saw Free Flight Scale designs Englands Eric Coates 30 years ago advantage considerable strength light weight surfaces appropriate flat sheet stock built up top bottom sections strip sheet sandwiches block-sanded desired airfoil shapes tapers required #100 paper rough out shape finer grades paper finish approach infinitely simpler accurate shimming up framework ribs leading trailing edges forth covering sheet either side Cut hinge slots install elevator joiner before cutting out rudder slot rounding exterior edges beveling DRLIIN ULENT Type RC Sport Scale Wingspan 72 inches Engine Up 90 four-stroke 60 two-stroke Flying weight Nine pounds Construction Built-up 34 Model Aviation ssembled wingtip blocked up proper shape Scrap Center section wing has plywood center rib balsa outer balsa fill around front spars sand contour ribs Landing gear blocks backed plywood Covering/finish Film Continued page 39 author describes Turbulents structure light yet sufficiently strong Strip ailerons simplify construction Druine/Mathews Continued page 34 rudder/elevator faces Since fin/rudder considerably wider base top wide bevel necessary freeswinging rudder movement elevator joiner system uses Sig SH-554 center-position horn steel wire molded crimped nylon horn unit will hooked up inside tail solder link should wrapped copper wire soldered prevent its working loose During final assembly access hole elevator horn cut stab mount Reach down hole pair hemostats draw outer portion NyrodTM up through premeasured Du-Bro DU173 wire pushrod attached via solder link elevator horn threaded outer rod stab epoxied tail mount threaded clevis used servo end control Note fins rear post runs way down tail wheel mount Try bevel portion fill around fuselage rear tight fit prior permanently attaching epoxy after covering Fuselage This fuselage construction based techniques used Englands Opiiurii High performance 2 mu vinyl graphics masking Set includes Raven masking gold border fuse wing wheel pants Oracle graphics wing stab fuse Price Option 2 Factory applied graphics DuPont Chroma paint Graphics t Gene Barton Spinner $60 Gordon Whitehead 48-inch 20 fourstroke Turbulent published RCM 1977 Develop kit parts transferring patterns wood appropriate sizes prefer make photocopies pans cut out glue wood using glue stick Drill required holes before assembling parts sheet sides balsa plywood doublers precut installed after strip framework rear areas has completed nose end blocked up rest weighted flat building surface forward unit can assembled epoxy produce smooth taper F-3 firewall Since fuselage box top flat tail post firewall sides can assembled over top view using pairs identical crossmembers formers Trial-assemble masking tape clamps run medium CyA along joints Add tail wheel plywood insert crossgrained balsa bottom plywood tank area Remove drawing sand out roughness complete fuselage adding turtledeck formers stringers Sheet-covered areas easily fabricated adhering bottom edge side fuselage box spraying sheet diluted ammonia water gently pulling sheet down onto formers center strip using thick CyA Just looking Turbo Raven screams EXTREME Two months after its debut Stockton CA Airshow 11/98 Wayne new Turbo Raven set new time-toclimb world record sea level 3000 meters 9843 feet less minute 10 seconds Turbo Ravens sexy sleek lines generous proportions ie large fin/rudder area gigantic strip ailerons allowed us design fully molded great flying model deviating originals outline no STAND-OFF-SCALE 4 Light weight hollow-core wing technology utilizing epoxy glass & carbon fiber skin hinging both wing stabilizer vable wing stab already mounted on fiber gear strut its mount hardware place ble gel-coat surfacing red/white no shrink film used zontally split engine cowl realism service ability removing prop spinner 4 Control surface horns attached oductory Price True top edge metal straightedge sharp knife repeat other half cockpit floor sits inside box cockpit coaming can cut pattern made folding sheet paper half drawing desired outline cutting scissors provide mirror-image pattern can drawn onto cut balsa sheet Wing Make copies ribs adhere appropriate sheet stock glue stick Stack-cut ribs using patterns very accurate cutting spar slots Dont forget holes aileron extension lines ribs will have plywood dihedral brace run through should scored pushing modeling knife through leaving enough uncut material hold together until wing panels joined center section wing builds flat work surface front spar back Start pinning lower trailing edge sheet aileron hinge spar using two ribs position lower spars Install center rib tilting bottom up using dihedral gauge Add lower sheet aft front spar position adhere ribs using precut shear webs guides Note bottom rear sheet has aileron hinge spar top upper butts Aviation 935 Tamarack Avenue San Jose CA 95128 Phone 408248-4642 Fax 408248-4642 Email slpstream@earthlinknet Website wwwslipstream-aviationcOm September 1999 39 First Line Signature Series Airtrft PUT ON SOME AIRS Sport-Airs Train -Airsl Train-Air 20 $5795 Train-Air 40 $7295 Sport-Air 25 $6195 Sport-Air 40 $7795 PO Box 208 Methuen MA 01844 phone 978 686 0319 Internet wwwnortheastaerodynamicscom Visa Mastercard Welcome Call write full line catalog against Some block-sanding after assembly will create neat blend top joint wingtips should precut medium C-grain stock assembled flat added wing ends Install upper spars center-section sheeting rear spars cut matching angle cracked pulled down onto wingtip sheet also pulled down onto tip scrap balsa filler used front spars sanded final contour leading edge aileron ends shaped Aileron servos mounted plywood plate screwed onto built-in basswood blocks wing ailerons cut 3/ sheet balsa contoured taper top using razor plane sanding blocks Repeat above steps create opposite wing panel Center Section assembled independently wing panels first glance may seem complex studying drawings photo should clarify its fabrication Cut balsa plywood ribs plywood sections floor landing gear blocks Assemble center section same sequence wing panels using epoxy ribs must perpendicular surface dihedral brace built integrally two pieces butt against plywood center rib also rear brace wing dowels drilled installed after mating wing fuselage Add top sheeting use scrap aileron material fill above bottom plywood sheet sanded match Block up wing panel inch outermost rib using table edge sanding block final-sand inside rib level table edge Carefully punch out prescored notches slide dihedral brace inside panel panel blocked up center section held firm weights satisfied joint smear epoxy both rib faces dihedral brace slide together Repeat opposite panel After epoxy has cured sanding completed reinforce two joints wrapping one-inch glass tape epoxy around wing now ready mate fuselage Position drill holes wing dowels 12-inch-long /4 bit very handy Check straightness wing relative tail post before drilling tapping blocks -20 nylon wing bolts Cowl cowl fabricated using white foam plug created gluing measured block firewall spinner backplate cut shape bread knife coarse sandpaper attached three successive layers sixounce glass cloth HobbyPoxy II layer rough-sanded #80 sandpaper before adding next final coat HobbyPoxy layered inflated balloon party store pressed over slowly releasing air until clung rear plug produces nice smooth outer surface requiring small amount filling sanding cowl cut vertically razor saw behind spinner front firewall also cut horizontally midline cylinders story stick scrap balsa carefully cut trimmed create cutout pattern cylinder heads exhaust stacks Once would fit around pattern pencil-transferred onto cowl halves cutout carbide stone Dremel tool cowl screwed onto sections basswood block epoxied firewall has building worlds finest model ssories model airplane engines including Fo 432 42 58 aY4r Look Fox new entjpes coming soon Call today free catalog look us rnet wwwfoxman*faetWig com 501 646-1656 Fax 501 646-1757 5305 Towson Avenue Fort Smith AR 72901 e-mail foxmotors@aolcom 40 Model Aviation E CATALOGS SPPS 160 SupersJe Cmstucon Plans$500 SPPS 120060 Doasnentaai Pttc 3Vs$500 ASP ModeLAirat Ccmt1jd PIn$500 ASP SeAroft OrmMrigs 3Vs$500 Add $500 Ea Air Overseas 1/5 Sc WINNIE MAE 1002PcWing Plans $3700 Jim PepinosLOCKHEED VEGA SCALE PLANS & PHOTO SERVICE 3209 Madison Ave nsboro NC 27403 VisaiMCPHONE/FAX 910 292-5239 pftoffudth best model ajip lane parts Crtstom 4uilt R/C Al raft Eigines Sin e an4 Th[i1yli1der Gas Engines Visit Website wwwhxmanufacturingcom Sections plywood epoxied onto bottom half cutout other half held sheet-metal screws air scoops shown sections plastic spoon epoxied over holes cowl top hole allows additional cooling air enter escapes two similar holes cowl bottom did allow some clearance around cylinder cutouts have encountered no engine overheating problems Landing Gear unit Sigs scale Cub required modification bending rear leg forward using vise large ViseGripTM pliers because gear Turbi swept forward Cub crossbrace wires etc used joints wrapped soft copper wire silver-soldered using propane torch gear temporarily attached center section Sig SH 709 straps RC car shock absorbers functional really anything decorations attached wing plywood stubs adhered bottom spar held bolts elastic stop nuts held behind wheels washers soldered fore aft struts Covering/finish Scale Model Research 3114 Yukon Ave Costa Mesa CA has several color Foto-Paaks scale threeviews scale decoration desired colors markings chose pure whimsy After usual sanding vacuuming sections covered following manufacturers recommendation use low-heat plastics fabrics model Painted areas such cowl done matching shades Cheveron Perfect polyurethane interior tank area should have coated brushed-on epoxy before tank installed photo models numbers die-cut sticky-backed vinyl units office-supply store Trim colors UltraCoteTM ironed directly over base color problem since material breathes allows trapped air escape placing layer over another Minimal bubbling definite plus Preflight With ElectroDynamics onboard glow lighter its battery close firewall alongside 1200 mAh flight pack model required no nose weight balance However hesitate add nose weight reach safe balance point nor fly model tajiheavy condition Control throws called plans close optimum mild aerobatics Roll rate loops inside out spins snap rolls well-controlled predictable settings slow solidly reliable engine idle imperative Turbi since its relatively low wing loading model floater doesnt want stop flying Flying This Turbi pussycat flies like trainer Takeoffs simply matter lining up adding power watching take off climb No viciousness wide-set main gear landings joy Lineup keep level using /2 throttle base leg chop power idle final descent Three-point requires bit up elevator released just before touchdown Wheel landings sight behold Turbi settles gently onto its fat tires Turbis flight profile very much sport aerobatic model aerodynamics similar type model long tail moment rudder behind elevator semisymmetrical airfoil model wild flip jump dart designs either Turbulent Scale sport aerobatic model airplane Thatwas intent expectations have met fun airplane build enjoy athews 909 N Maize Rd #734 Wichita KS 67212 • 1Ifl1jjJ IS Products designed modelers modelers wont get bent out shape NEW Du-Bro Profile Landing Gear Profile Landing Gear 40 Size Profile Airplanes cant take bumps out rough landings can cer tainly solve problem landing gear getting bent out shape new Profile Landing Gear injection molded out state-ofthe-art materials absorb roughest landings Dont get bent out shape longer Du-Bro has solution Cat No792 Call Write free catalog Du-Bro Products Inc 480 Bonner Rd P0 Box 815 Wauconda IL 60084 1-800-848-9411 fax 847-526-1604 email re@dubrocom website http//wwwdubrocom September 1999 43
Edition: Model Aviation - 1999/09
Page Numbers: 32, 33, 34, 39, 40, 43
NO OCR TEXT EVER WONDER WHY some full-scale aircraft repeatedly chosen subjects modeling others rarely developed Im sure wide diverse group motivational forces work desire recreate longtime personal favorites comfort found having seen certain Scale models fly well French-designed Druine Turbulent short macho appeal warbird spectacular colors aerobatics contemporary acrobatic prototypes undeniably long simplicity diminutive size its undeniable resemblance model aircraft adds its appeal popularity Turbulent modeling subject likely ties directly its long-running popularity full-scale home-builders worldwideparticularly England France has relatively simple all-wood construction minimum welded tubing sheet metal excellent aerodynamics Designed 1950 around easily available War surplus aircooled Volkswagen engines 36 hp Turbulents very diminutive 215 ft span 173 ft length Yet cruise 87 mph will climb 450 fpm gross weight 620 pounds As Scale subject Turbulents long fuselage moments wide stance gear placement constant-chord wing nearly ideal Much delight model presented just stable lands just nicely similar sport designs mildly aerobatic yet very easy fly land holding down all-up weight using scale dihedral keeping power moderate absolute joy fly CONSTRUCTION Turbulent designed modeler some previous experience building plans Although flies gently enough newcomer construction bit advanced experience level As result instructions will cover aspects peculiar project Materials materials hardware stock can obtained local hobby shop mail manufacturers prebent landing gear available Sig requires two slight modifications no complex wire bending required shock absorbers stock RC car units certainly critical models handling add touch realism prepainted pilot shown MGA Pilots Fresno CA 93755 local dealer Other types might adaptable instrument panel preassembled unit Midwest Products #1099 adapted trimming corners fit prototype has flown wonderfully Saito four-stroke twin single-cylinder 60-80 four-stroke should just satisfactory would recommend two-stroke single larger 60 90 four-stroke Turbi intended fly much slowly sport Pattern design same size Should builder currently own previous model Saito 90 twin have shown modified firewall etc will accommodate new version need nylon grommet extenders used new version considerably longer fore aft needle valves horizontal single-cylinder power plant used could construct semiscale Volkswagen engine side cowl using pill bottles scraps wood tubing mount models engine right sidewinder style inverted Turbulent presented close scale outline contour chose omit prototypes wing slots primarily since wanted able spin snaproll model does very nicely Nonscale strip ailerons add further simplifying construction wing Primary adhesive medium cyanoacrylate CyA glue epoxy used high-stress areas such landing gear engine attachment Balsa should chosen match its intended use Light C-grain formers September 1999 33 Old-style Saito 90 twin requires hardware-store standoffs required newer version shown plan Cowl plug foam layers glass epoxy over Dowel handle convenience during fabrication Aileron servo mounted removable plywood plate screwed basswood crosspieces wing Empennage built using sandwich method Sheet balsa core strips added ribs edges Block-sand final shape Light strong simple wing ribs trailing edges tail group medium C-grain fuselage sides light A-grain planked areas Plywood should birch aircraft-grade hardwood wing spars should long-grain Sitka spruce obtainable basswood can substituted Landing gear blocks stock Sig items Tail wheel bracket hardware GoldberglKlett GD-23 tiller cut half mounted 2-56 bolts nuts empennage hinges should molded-and-pinned type such Du-Bro 117 Sig SH-2 17 Laminated hof hinges fine ailerons several steps construction bit out ordinaiy have borrowed designers have used successfully years instance techniques simplistic altematives Tail Feathers constructed using sandwich technique first saw Free Flight Scale designs Englands Eric Coates 30 years ago advantage considerable strength light weight surfaces appropriate flat sheet stock built up top bottom sections strip sheet sandwiches block-sanded desired airfoil shapes tapers required #100 paper rough out shape finer grades paper finish approach infinitely simpler accurate shimming up framework ribs leading trailing edges forth covering sheet either side Cut hinge slots install elevator joiner before cutting out rudder slot rounding exterior edges beveling DRLIIN ULENT Type RC Sport Scale Wingspan 72 inches Engine Up 90 four-stroke 60 two-stroke Flying weight Nine pounds Construction Built-up 34 Model Aviation ssembled wingtip blocked up proper shape Scrap Center section wing has plywood center rib balsa outer balsa fill around front spars sand contour ribs Landing gear blocks backed plywood Covering/finish Film Continued page 39 author describes Turbulents structure light yet sufficiently strong Strip ailerons simplify construction Druine/Mathews Continued page 34 rudder/elevator faces Since fin/rudder considerably wider base top wide bevel necessary freeswinging rudder movement elevator joiner system uses Sig SH-554 center-position horn steel wire molded crimped nylon horn unit will hooked up inside tail solder link should wrapped copper wire soldered prevent its working loose During final assembly access hole elevator horn cut stab mount Reach down hole pair hemostats draw outer portion NyrodTM up through premeasured Du-Bro DU173 wire pushrod attached via solder link elevator horn threaded outer rod stab epoxied tail mount threaded clevis used servo end control Note fins rear post runs way down tail wheel mount Try bevel portion fill around fuselage rear tight fit prior permanently attaching epoxy after covering Fuselage This fuselage construction based techniques used Englands Opiiurii High performance 2 mu vinyl graphics masking Set includes Raven masking gold border fuse wing wheel pants Oracle graphics wing stab fuse Price Option 2 Factory applied graphics DuPont Chroma paint Graphics t Gene Barton Spinner $60 Gordon Whitehead 48-inch 20 fourstroke Turbulent published RCM 1977 Develop kit parts transferring patterns wood appropriate sizes prefer make photocopies pans cut out glue wood using glue stick Drill required holes before assembling parts sheet sides balsa plywood doublers precut installed after strip framework rear areas has completed nose end blocked up rest weighted flat building surface forward unit can assembled epoxy produce smooth taper F-3 firewall Since fuselage box top flat tail post firewall sides can assembled over top view using pairs identical crossmembers formers Trial-assemble masking tape clamps run medium CyA along joints Add tail wheel plywood insert crossgrained balsa bottom plywood tank area Remove drawing sand out roughness complete fuselage adding turtledeck formers stringers Sheet-covered areas easily fabricated adhering bottom edge side fuselage box spraying sheet diluted ammonia water gently pulling sheet down onto formers center strip using thick CyA Just looking Turbo Raven screams EXTREME Two months after its debut Stockton CA Airshow 11/98 Wayne new Turbo Raven set new time-toclimb world record sea level 3000 meters 9843 feet less minute 10 seconds Turbo Ravens sexy sleek lines generous proportions ie large fin/rudder area gigantic strip ailerons allowed us design fully molded great flying model deviating originals outline no STAND-OFF-SCALE 4 Light weight hollow-core wing technology utilizing epoxy glass & carbon fiber skin hinging both wing stabilizer vable wing stab already mounted on fiber gear strut its mount hardware place ble gel-coat surfacing red/white no shrink film used zontally split engine cowl realism service ability removing prop spinner 4 Control surface horns attached oductory Price True top edge metal straightedge sharp knife repeat other half cockpit floor sits inside box cockpit coaming can cut pattern made folding sheet paper half drawing desired outline cutting scissors provide mirror-image pattern can drawn onto cut balsa sheet Wing Make copies ribs adhere appropriate sheet stock glue stick Stack-cut ribs using patterns very accurate cutting spar slots Dont forget holes aileron extension lines ribs will have plywood dihedral brace run through should scored pushing modeling knife through leaving enough uncut material hold together until wing panels joined center section wing builds flat work surface front spar back Start pinning lower trailing edge sheet aileron hinge spar using two ribs position lower spars Install center rib tilting bottom up using dihedral gauge Add lower sheet aft front spar position adhere ribs using precut shear webs guides Note bottom rear sheet has aileron hinge spar top upper butts Aviation 935 Tamarack Avenue San Jose CA 95128 Phone 408248-4642 Fax 408248-4642 Email slpstream@earthlinknet Website wwwslipstream-aviationcOm September 1999 39 First Line Signature Series Airtrft PUT ON SOME AIRS Sport-Airs Train -Airsl Train-Air 20 $5795 Train-Air 40 $7295 Sport-Air 25 $6195 Sport-Air 40 $7795 PO Box 208 Methuen MA 01844 phone 978 686 0319 Internet wwwnortheastaerodynamicscom Visa Mastercard Welcome Call write full line catalog against Some block-sanding after assembly will create neat blend top joint wingtips should precut medium C-grain stock assembled flat added wing ends Install upper spars center-section sheeting rear spars cut matching angle cracked pulled down onto wingtip sheet also pulled down onto tip scrap balsa filler used front spars sanded final contour leading edge aileron ends shaped Aileron servos mounted plywood plate screwed onto built-in basswood blocks wing ailerons cut 3/ sheet balsa contoured taper top using razor plane sanding blocks Repeat above steps create opposite wing panel Center Section assembled independently wing panels first glance may seem complex studying drawings photo should clarify its fabrication Cut balsa plywood ribs plywood sections floor landing gear blocks Assemble center section same sequence wing panels using epoxy ribs must perpendicular surface dihedral brace built integrally two pieces butt against plywood center rib also rear brace wing dowels drilled installed after mating wing fuselage Add top sheeting use scrap aileron material fill above bottom plywood sheet sanded match Block up wing panel inch outermost rib using table edge sanding block final-sand inside rib level table edge Carefully punch out prescored notches slide dihedral brace inside panel panel blocked up center section held firm weights satisfied joint smear epoxy both rib faces dihedral brace slide together Repeat opposite panel After epoxy has cured sanding completed reinforce two joints wrapping one-inch glass tape epoxy around wing now ready mate fuselage Position drill holes wing dowels 12-inch-long /4 bit very handy Check straightness wing relative tail post before drilling tapping blocks -20 nylon wing bolts Cowl cowl fabricated using white foam plug created gluing measured block firewall spinner backplate cut shape bread knife coarse sandpaper attached three successive layers sixounce glass cloth HobbyPoxy II layer rough-sanded #80 sandpaper before adding next final coat HobbyPoxy layered inflated balloon party store pressed over slowly releasing air until clung rear plug produces nice smooth outer surface requiring small amount filling sanding cowl cut vertically razor saw behind spinner front firewall also cut horizontally midline cylinders story stick scrap balsa carefully cut trimmed create cutout pattern cylinder heads exhaust stacks Once would fit around pattern pencil-transferred onto cowl halves cutout carbide stone Dremel tool cowl screwed onto sections basswood block epoxied firewall has building worlds finest model ssories model airplane engines including Fo 432 42 58 aY4r Look Fox new entjpes coming soon Call today free catalog look us rnet wwwfoxman*faetWig com 501 646-1656 Fax 501 646-1757 5305 Towson Avenue Fort Smith AR 72901 e-mail foxmotors@aolcom 40 Model Aviation E CATALOGS SPPS 160 SupersJe Cmstucon Plans$500 SPPS 120060 Doasnentaai Pttc 3Vs$500 ASP ModeLAirat Ccmt1jd PIn$500 ASP SeAroft OrmMrigs 3Vs$500 Add $500 Ea Air Overseas 1/5 Sc WINNIE MAE 1002PcWing Plans $3700 Jim PepinosLOCKHEED VEGA SCALE PLANS & PHOTO SERVICE 3209 Madison Ave nsboro NC 27403 VisaiMCPHONE/FAX 910 292-5239 pftoffudth best model ajip lane parts Crtstom 4uilt R/C Al raft Eigines Sin e an4 Th[i1yli1der Gas Engines Visit Website wwwhxmanufacturingcom Sections plywood epoxied onto bottom half cutout other half held sheet-metal screws air scoops shown sections plastic spoon epoxied over holes cowl top hole allows additional cooling air enter escapes two similar holes cowl bottom did allow some clearance around cylinder cutouts have encountered no engine overheating problems Landing Gear unit Sigs scale Cub required modification bending rear leg forward using vise large ViseGripTM pliers because gear Turbi swept forward Cub crossbrace wires etc used joints wrapped soft copper wire silver-soldered using propane torch gear temporarily attached center section Sig SH 709 straps RC car shock absorbers functional really anything decorations attached wing plywood stubs adhered bottom spar held bolts elastic stop nuts held behind wheels washers soldered fore aft struts Covering/finish Scale Model Research 3114 Yukon Ave Costa Mesa CA has several color Foto-Paaks scale threeviews scale decoration desired colors markings chose pure whimsy After usual sanding vacuuming sections covered following manufacturers recommendation use low-heat plastics fabrics model Painted areas such cowl done matching shades Cheveron Perfect polyurethane interior tank area should have coated brushed-on epoxy before tank installed photo models numbers die-cut sticky-backed vinyl units office-supply store Trim colors UltraCoteTM ironed directly over base color problem since material breathes allows trapped air escape placing layer over another Minimal bubbling definite plus Preflight With ElectroDynamics onboard glow lighter its battery close firewall alongside 1200 mAh flight pack model required no nose weight balance However hesitate add nose weight reach safe balance point nor fly model tajiheavy condition Control throws called plans close optimum mild aerobatics Roll rate loops inside out spins snap rolls well-controlled predictable settings slow solidly reliable engine idle imperative Turbi since its relatively low wing loading model floater doesnt want stop flying Flying This Turbi pussycat flies like trainer Takeoffs simply matter lining up adding power watching take off climb No viciousness wide-set main gear landings joy Lineup keep level using /2 throttle base leg chop power idle final descent Three-point requires bit up elevator released just before touchdown Wheel landings sight behold Turbi settles gently onto its fat tires Turbis flight profile very much sport aerobatic model aerodynamics similar type model long tail moment rudder behind elevator semisymmetrical airfoil model wild flip jump dart designs either Turbulent Scale sport aerobatic model airplane Thatwas intent expectations have met fun airplane build enjoy athews 909 N Maize Rd #734 Wichita KS 67212 • 1Ifl1jjJ IS Products designed modelers modelers wont get bent out shape NEW Du-Bro Profile Landing Gear Profile Landing Gear 40 Size Profile Airplanes cant take bumps out rough landings can cer tainly solve problem landing gear getting bent out shape new Profile Landing Gear injection molded out state-ofthe-art materials absorb roughest landings Dont get bent out shape longer Du-Bro has solution Cat No792 Call Write free catalog Du-Bro Products Inc 480 Bonner Rd P0 Box 815 Wauconda IL 60084 1-800-848-9411 fax 847-526-1604 email re@dubrocom website http//wwwdubrocom September 1999 43
Edition: Model Aviation - 1999/09
Page Numbers: 32, 33, 34, 39, 40, 43
NO OCR TEXT EVER WONDER WHY some full-scale aircraft repeatedly chosen subjects modeling others rarely developed Im sure wide diverse group motivational forces work desire recreate longtime personal favorites comfort found having seen certain Scale models fly well French-designed Druine Turbulent short macho appeal warbird spectacular colors aerobatics contemporary acrobatic prototypes undeniably long simplicity diminutive size its undeniable resemblance model aircraft adds its appeal popularity Turbulent modeling subject likely ties directly its long-running popularity full-scale home-builders worldwideparticularly England France has relatively simple all-wood construction minimum welded tubing sheet metal excellent aerodynamics Designed 1950 around easily available War surplus aircooled Volkswagen engines 36 hp Turbulents very diminutive 215 ft span 173 ft length Yet cruise 87 mph will climb 450 fpm gross weight 620 pounds As Scale subject Turbulents long fuselage moments wide stance gear placement constant-chord wing nearly ideal Much delight model presented just stable lands just nicely similar sport designs mildly aerobatic yet very easy fly land holding down all-up weight using scale dihedral keeping power moderate absolute joy fly CONSTRUCTION Turbulent designed modeler some previous experience building plans Although flies gently enough newcomer construction bit advanced experience level As result instructions will cover aspects peculiar project Materials materials hardware stock can obtained local hobby shop mail manufacturers prebent landing gear available Sig requires two slight modifications no complex wire bending required shock absorbers stock RC car units certainly critical models handling add touch realism prepainted pilot shown MGA Pilots Fresno CA 93755 local dealer Other types might adaptable instrument panel preassembled unit Midwest Products #1099 adapted trimming corners fit prototype has flown wonderfully Saito four-stroke twin single-cylinder 60-80 four-stroke should just satisfactory would recommend two-stroke single larger 60 90 four-stroke Turbi intended fly much slowly sport Pattern design same size Should builder currently own previous model Saito 90 twin have shown modified firewall etc will accommodate new version need nylon grommet extenders used new version considerably longer fore aft needle valves horizontal single-cylinder power plant used could construct semiscale Volkswagen engine side cowl using pill bottles scraps wood tubing mount models engine right sidewinder style inverted Turbulent presented close scale outline contour chose omit prototypes wing slots primarily since wanted able spin snaproll model does very nicely Nonscale strip ailerons add further simplifying construction wing Primary adhesive medium cyanoacrylate CyA glue epoxy used high-stress areas such landing gear engine attachment Balsa should chosen match its intended use Light C-grain formers September 1999 33 Old-style Saito 90 twin requires hardware-store standoffs required newer version shown plan Cowl plug foam layers glass epoxy over Dowel handle convenience during fabrication Aileron servo mounted removable plywood plate screwed basswood crosspieces wing Empennage built using sandwich method Sheet balsa core strips added ribs edges Block-sand final shape Light strong simple wing ribs trailing edges tail group medium C-grain fuselage sides light A-grain planked areas Plywood should birch aircraft-grade hardwood wing spars should long-grain Sitka spruce obtainable basswood can substituted Landing gear blocks stock Sig items Tail wheel bracket hardware GoldberglKlett GD-23 tiller cut half mounted 2-56 bolts nuts empennage hinges should molded-and-pinned type such Du-Bro 117 Sig SH-2 17 Laminated hof hinges fine ailerons several steps construction bit out ordinaiy have borrowed designers have used successfully years instance techniques simplistic altematives Tail Feathers constructed using sandwich technique first saw Free Flight Scale designs Englands Eric Coates 30 years ago advantage considerable strength light weight surfaces appropriate flat sheet stock built up top bottom sections strip sheet sandwiches block-sanded desired airfoil shapes tapers required #100 paper rough out shape finer grades paper finish approach infinitely simpler accurate shimming up framework ribs leading trailing edges forth covering sheet either side Cut hinge slots install elevator joiner before cutting out rudder slot rounding exterior edges beveling DRLIIN ULENT Type RC Sport Scale Wingspan 72 inches Engine Up 90 four-stroke 60 two-stroke Flying weight Nine pounds Construction Built-up 34 Model Aviation ssembled wingtip blocked up proper shape Scrap Center section wing has plywood center rib balsa outer balsa fill around front spars sand contour ribs Landing gear blocks backed plywood Covering/finish Film Continued page 39 author describes Turbulents structure light yet sufficiently strong Strip ailerons simplify construction Druine/Mathews Continued page 34 rudder/elevator faces Since fin/rudder considerably wider base top wide bevel necessary freeswinging rudder movement elevator joiner system uses Sig SH-554 center-position horn steel wire molded crimped nylon horn unit will hooked up inside tail solder link should wrapped copper wire soldered prevent its working loose During final assembly access hole elevator horn cut stab mount Reach down hole pair hemostats draw outer portion NyrodTM up through premeasured Du-Bro DU173 wire pushrod attached via solder link elevator horn threaded outer rod stab epoxied tail mount threaded clevis used servo end control Note fins rear post runs way down tail wheel mount Try bevel portion fill around fuselage rear tight fit prior permanently attaching epoxy after covering Fuselage This fuselage construction based techniques used Englands Opiiurii High performance 2 mu vinyl graphics masking Set includes Raven masking gold border fuse wing wheel pants Oracle graphics wing stab fuse Price Option 2 Factory applied graphics DuPont Chroma paint Graphics t Gene Barton Spinner $60 Gordon Whitehead 48-inch 20 fourstroke Turbulent published RCM 1977 Develop kit parts transferring patterns wood appropriate sizes prefer make photocopies pans cut out glue wood using glue stick Drill required holes before assembling parts sheet sides balsa plywood doublers precut installed after strip framework rear areas has completed nose end blocked up rest weighted flat building surface forward unit can assembled epoxy produce smooth taper F-3 firewall Since fuselage box top flat tail post firewall sides can assembled over top view using pairs identical crossmembers formers Trial-assemble masking tape clamps run medium CyA along joints Add tail wheel plywood insert crossgrained balsa bottom plywood tank area Remove drawing sand out roughness complete fuselage adding turtledeck formers stringers Sheet-covered areas easily fabricated adhering bottom edge side fuselage box spraying sheet diluted ammonia water gently pulling sheet down onto formers center strip using thick CyA Just looking Turbo Raven screams EXTREME Two months after its debut Stockton CA Airshow 11/98 Wayne new Turbo Raven set new time-toclimb world record sea level 3000 meters 9843 feet less minute 10 seconds Turbo Ravens sexy sleek lines generous proportions ie large fin/rudder area gigantic strip ailerons allowed us design fully molded great flying model deviating originals outline no STAND-OFF-SCALE 4 Light weight hollow-core wing technology utilizing epoxy glass & carbon fiber skin hinging both wing stabilizer vable wing stab already mounted on fiber gear strut its mount hardware place ble gel-coat surfacing red/white no shrink film used zontally split engine cowl realism service ability removing prop spinner 4 Control surface horns attached oductory Price True top edge metal straightedge sharp knife repeat other half cockpit floor sits inside box cockpit coaming can cut pattern made folding sheet paper half drawing desired outline cutting scissors provide mirror-image pattern can drawn onto cut balsa sheet Wing Make copies ribs adhere appropriate sheet stock glue stick Stack-cut ribs using patterns very accurate cutting spar slots Dont forget holes aileron extension lines ribs will have plywood dihedral brace run through should scored pushing modeling knife through leaving enough uncut material hold together until wing panels joined center section wing builds flat work surface front spar back Start pinning lower trailing edge sheet aileron hinge spar using two ribs position lower spars Install center rib tilting bottom up using dihedral gauge Add lower sheet aft front spar position adhere ribs using precut shear webs guides Note bottom rear sheet has aileron hinge spar top upper butts Aviation 935 Tamarack Avenue San Jose CA 95128 Phone 408248-4642 Fax 408248-4642 Email slpstream@earthlinknet Website wwwslipstream-aviationcOm September 1999 39 First Line Signature Series Airtrft PUT ON SOME AIRS Sport-Airs Train -Airsl Train-Air 20 $5795 Train-Air 40 $7295 Sport-Air 25 $6195 Sport-Air 40 $7795 PO Box 208 Methuen MA 01844 phone 978 686 0319 Internet wwwnortheastaerodynamicscom Visa Mastercard Welcome Call write full line catalog against Some block-sanding after assembly will create neat blend top joint wingtips should precut medium C-grain stock assembled flat added wing ends Install upper spars center-section sheeting rear spars cut matching angle cracked pulled down onto wingtip sheet also pulled down onto tip scrap balsa filler used front spars sanded final contour leading edge aileron ends shaped Aileron servos mounted plywood plate screwed onto built-in basswood blocks wing ailerons cut 3/ sheet balsa contoured taper top using razor plane sanding blocks Repeat above steps create opposite wing panel Center Section assembled independently wing panels first glance may seem complex studying drawings photo should clarify its fabrication Cut balsa plywood ribs plywood sections floor landing gear blocks Assemble center section same sequence wing panels using epoxy ribs must perpendicular surface dihedral brace built integrally two pieces butt against plywood center rib also rear brace wing dowels drilled installed after mating wing fuselage Add top sheeting use scrap aileron material fill above bottom plywood sheet sanded match Block up wing panel inch outermost rib using table edge sanding block final-sand inside rib level table edge Carefully punch out prescored notches slide dihedral brace inside panel panel blocked up center section held firm weights satisfied joint smear epoxy both rib faces dihedral brace slide together Repeat opposite panel After epoxy has cured sanding completed reinforce two joints wrapping one-inch glass tape epoxy around wing now ready mate fuselage Position drill holes wing dowels 12-inch-long /4 bit very handy Check straightness wing relative tail post before drilling tapping blocks -20 nylon wing bolts Cowl cowl fabricated using white foam plug created gluing measured block firewall spinner backplate cut shape bread knife coarse sandpaper attached three successive layers sixounce glass cloth HobbyPoxy II layer rough-sanded #80 sandpaper before adding next final coat HobbyPoxy layered inflated balloon party store pressed over slowly releasing air until clung rear plug produces nice smooth outer surface requiring small amount filling sanding cowl cut vertically razor saw behind spinner front firewall also cut horizontally midline cylinders story stick scrap balsa carefully cut trimmed create cutout pattern cylinder heads exhaust stacks Once would fit around pattern pencil-transferred onto cowl halves cutout carbide stone Dremel tool cowl screwed onto sections basswood block epoxied firewall has building worlds finest model ssories model airplane engines including Fo 432 42 58 aY4r Look Fox new entjpes coming soon Call today free catalog look us rnet wwwfoxman*faetWig com 501 646-1656 Fax 501 646-1757 5305 Towson Avenue Fort Smith AR 72901 e-mail foxmotors@aolcom 40 Model Aviation E CATALOGS SPPS 160 SupersJe Cmstucon Plans$500 SPPS 120060 Doasnentaai Pttc 3Vs$500 ASP ModeLAirat Ccmt1jd PIn$500 ASP SeAroft OrmMrigs 3Vs$500 Add $500 Ea Air Overseas 1/5 Sc WINNIE MAE 1002PcWing Plans $3700 Jim PepinosLOCKHEED VEGA SCALE PLANS & PHOTO SERVICE 3209 Madison Ave nsboro NC 27403 VisaiMCPHONE/FAX 910 292-5239 pftoffudth best model ajip lane parts Crtstom 4uilt R/C Al raft Eigines Sin e an4 Th[i1yli1der Gas Engines Visit Website wwwhxmanufacturingcom Sections plywood epoxied onto bottom half cutout other half held sheet-metal screws air scoops shown sections plastic spoon epoxied over holes cowl top hole allows additional cooling air enter escapes two similar holes cowl bottom did allow some clearance around cylinder cutouts have encountered no engine overheating problems Landing Gear unit Sigs scale Cub required modification bending rear leg forward using vise large ViseGripTM pliers because gear Turbi swept forward Cub crossbrace wires etc used joints wrapped soft copper wire silver-soldered using propane torch gear temporarily attached center section Sig SH 709 straps RC car shock absorbers functional really anything decorations attached wing plywood stubs adhered bottom spar held bolts elastic stop nuts held behind wheels washers soldered fore aft struts Covering/finish Scale Model Research 3114 Yukon Ave Costa Mesa CA has several color Foto-Paaks scale threeviews scale decoration desired colors markings chose pure whimsy After usual sanding vacuuming sections covered following manufacturers recommendation use low-heat plastics fabrics model Painted areas such cowl done matching shades Cheveron Perfect polyurethane interior tank area should have coated brushed-on epoxy before tank installed photo models numbers die-cut sticky-backed vinyl units office-supply store Trim colors UltraCoteTM ironed directly over base color problem since material breathes allows trapped air escape placing layer over another Minimal bubbling definite plus Preflight With ElectroDynamics onboard glow lighter its battery close firewall alongside 1200 mAh flight pack model required no nose weight balance However hesitate add nose weight reach safe balance point nor fly model tajiheavy condition Control throws called plans close optimum mild aerobatics Roll rate loops inside out spins snap rolls well-controlled predictable settings slow solidly reliable engine idle imperative Turbi since its relatively low wing loading model floater doesnt want stop flying Flying This Turbi pussycat flies like trainer Takeoffs simply matter lining up adding power watching take off climb No viciousness wide-set main gear landings joy Lineup keep level using /2 throttle base leg chop power idle final descent Three-point requires bit up elevator released just before touchdown Wheel landings sight behold Turbi settles gently onto its fat tires Turbis flight profile very much sport aerobatic model aerodynamics similar type model long tail moment rudder behind elevator semisymmetrical airfoil model wild flip jump dart designs either Turbulent Scale sport aerobatic model airplane Thatwas intent expectations have met fun airplane build enjoy athews 909 N Maize Rd #734 Wichita KS 67212 • 1Ifl1jjJ IS Products designed modelers modelers wont get bent out shape NEW Du-Bro Profile Landing Gear Profile Landing Gear 40 Size Profile Airplanes cant take bumps out rough landings can cer tainly solve problem landing gear getting bent out shape new Profile Landing Gear injection molded out state-ofthe-art materials absorb roughest landings Dont get bent out shape longer Du-Bro has solution Cat No792 Call Write free catalog Du-Bro Products Inc 480 Bonner Rd P0 Box 815 Wauconda IL 60084 1-800-848-9411 fax 847-526-1604 email re@dubrocom website http//wwwdubrocom September 1999 43
