This daughter/father team used several years experience Speed competition five months specific effort set Senior 1/2A Speed record give us good look inside designing superior model getting what want its ideal Speed starter anyone U Mary Kay Kim & Dale Kim takes teamwork set Speed record Kim teamMary builder pilot dad Dale Spullet designer engine man Dale top Speed flier 25 years ago 1 q 30 Model Aviation MARY KAY Little did know first started competing contests would ever hold national AMA Speed record thought never occurred until last year junior high school Up until time compet ing just fun started flying model airplanes using MonoLine control eight years old Two-line flying started about year later first Nats 1971 Glenview IL lucky enough place 4th Junior Profile Proto Remember days contestants event lucky get flight attempts before time limit end day 1973 Oshkosh WI dad entered Proto Speed Open team placed first placed 5th Junior AA Profile 75 Nats still wasnt serious business setting record 1977 tried get serious Speed still wasnt fast enough beat certain Bussell Nats year year later decided really work go national record Senior Speed Spullet derived faster speeding bullet born December 1978 soon ready testing weekend dedicated purpose After flying Spullet few times getting feel ready get serious business making go fast tested propellers using different flight After knew props best competition started testing Out different engine-prop combinations different types weather got up 10001 mph good fuel certain record would set right weather condi tions fuel engine-prop combination ready try out Spullet official contest came May 6 1979 AA meet Santa Ana CA sky morning overcast cool first flight 95 mph wasnt exactly what looking plane beat 102 mph barrier get record few hours later tried again no luck After lunch sky began clear air getting warmer decided give try know ing deep down time Spullet would come through Because practice pylon always knew about fast plane moving time really going flight over congratulated secretly Dad also timing own informa tion said done Back official table timers calculating official time 10813 mph Now time support ing flight required records AMA rules hoped good clocking first attempt nervousness would disappear first try Spullet come through againthe time 10406 10813 official About week later started build backup plane Nats Lincoln NE wasnt finished time hoped nothing major would happen Spullet competing day AA Speed partly cloudy morning too windy forecast rain decided put flight before weather got worse first flight 10313 mph also best flight good enough first place still within 5 mph record Spullet II finished late October contest coming up December wanted see Spullet II few minor modifications original could break own record Again weekends practice experimentation began looked Spullet Spullet II nearly same performance first contest entered Van Nuys CA Spullet II choice fly officially Spullet backup Spullet II turned 10710 mph its first official flight 99% record Spullet proved design reliability looking Speed plane nearly practice flights takeoff wrist pylon prevents whipping up speed like everyone else does way able precisely consistently evaluate change time prop fuel etc Spullets design bit different Speed planes number respects Spullet sturdy plane about twice size conven tional Speed plane flies excellently wind because its extra weight 7 oz cross between Proto Rat Racer Incorporating best features both plus little extrathat being cowl design control system Mono-Line used instead torque unit front wheel tail skid outboard wing skid usedinstead dolly troublefree takeoffswhich encourage practice flying An interesting sidelight learn whip landings avoid nicking best props wearing down skids Spullet incorporates certain design features increase reliability provide added conven iences pressurized fuel system provisions outside refueling utilized consistent engine runs quicker refueling during test flights full Cox magnesium speed pan now again available top half fiberglass speed shell bottom An inverted engine used two reasons 1 shorten single landing gear wire less drag 2 hand-starting pressurized tank case surgical tubing tank less danger flooding engine since fuel will drip down venturi rather engine also set up can handstarted dependence electric starters uses left-hand propeller instead right-hand because torque plane cant come towards flierwith left-hand took about Phntoa Taylor Collins hour day three weeks construct plane designer himself Dad will explain detailed construction techniques DALE Construction Since wing tail must fitted fuselage make first October 1980 31 Neatness counts remote needle valve assembly permits easier cowling around front engine also keepsyouradjusting fingers awayfrom prop NotetheT-fitting foreasy fill bladdertank tank darker-colored segment surgical tubing upperspeed pan can just barely make out modified screw poking through side pan fuel fillers plug Note left-hand rotation prop Forward tie-down holes aft needle valve Several things note Single-bladed prop attached crankshaft 5-40 Allen screw recessed short brass spinner Also note front rear relief molding exhaust opening cowl very important top engine perform ance Opening front cowl venturinot engine cooling Only top fin glow head exposed cooling air dont have time necessary equipment can purchase hardware packet consisting formed elevator horn hinges landing gear wire etc Kirn-Kraft Write further details Any three types control systems can used Spullet choice yours Spullet II used Stanzel Mono-Line unit no problem obtaining special 2-line belicrank Mono-Line-type line hookup Kustom Kraftsmanship carries complete line other items still few H&R torque units Stanzel Mono-Line units around Check local Speed fliers area sources Cox speed pan fuselage fiberglass can purchased separately See source listing end article Tail Assembly Ruddercut outline shape sand symmetrical airfoil section attach speed pan time Stab elevatorcut outline shape sand symmetrical airfoil section Cut elevator off epoxy elevator horn four hinge tubes 1/16 OD aluminum Epoxy other three hinge tubes stab Slide length 1/32 dia music wire through tubes hold alignment before securing stab elevator epoxy hinge pin place until after plane has painted Wing control system Cut wing outline shape establish leading trailing edge reference lines necessary wont carve twist wing panels Start marking point root chord center wing viewed front 1 / 16 up bottom make mark both wing tips exactly inthe center3/32 up bottom 3/32 down top Repeat procedure trailing edges Lay straight edge between marks center tip draw straight line between points lines give illusion dihedral wing viewed front rear However case What seeing lifting section center portion wing symmetrical section tips combination airfoil sections allows wing set 00 incidence still produce desired amount lift flight requir ing little up elevator trim Carve sand top airfoil sections first bottom side Drill 045 dia hole outboard tip wing skid Fit skid wire place install time Cut recess bottom wing tip weight epoxy place front portion inboard wing must cut off hollowed outpassageway control unit flying line either Stanzel Speed-Master control unit H&R torque unit After control unit has o 23456 1/4 OZ LEAD TBOARD SKID PINCH OFF TUBE REMOTE NEEDLE VALVEI/2A MONO-LINE OUTSIDE TANK FIL 045 DIA MUSIC WIRE 0 STAB LIZ ER / 16 PLYWOOD SECTION A-A SECTION B-B 2 LINE BELLCRAN WITH MONO-LINE BUTTONS 000 LANDING DEAR 1/16 DIA MUSIC WIRE CDX SPEED PANSHELL1/16 PLYWOOD COWL BLODK 1/16 PLEX3LASS~ TEE DEE 049LA ______________________OPPONALI5/32 OD ALUM TUBE DESt3NEDBY DALE KIRNVIOVALEDI INKED BY JIM WADE1 DIA WHEEL 3/B HARD BALSA AIRFOIL SECTIONS ELEVATOR HORN 045 DIA MUSC WIRE 32 Model Aviation Simple takeoff dolly consists permanent singlewheel main gear wingtip skid main gear wire securely mounted epoxy/glass bottom fiberglass cowling Co N w w w C, w -J Co -j ci z -J w N -J SPULLET installed cut off section 5/32 dia aluminum tubing squeeze slightly vice until has oval cross section Epoxy tube place shown plans back inside edge oval hole must perfect alignment center line Mono-Line unit isnt control action flight will smooth going use two-line bellcrank Mono-Line type line hookup cut two channels bottom side inboard wing line passageways Install two oval aluminum lead-out guides cover up channels strips 1/16 basswood Inlay strips approximately 1/32 After have epoxied place sand until flush bottom wing Speed Pan engine mounting holes Cox pan already drilled tapped 3-48 thread Tee Dee 049 engine However may have enlarge four holes crankcase proper alignment lefthand prop setup prefer run thrust line top view pointing approximately degree inboard three tie-down areas need drilled tapped 2-5 6 thread operation best accomplished aid fixture hold pan securely drilling holes An illustra tion suitable fixture shown instruction sheet comes speed pan Mark three locations use center punch before drilling drill depth drill After holes have tapped chamfer top hole Vs dia drill T fitting can installed next Cut bulkhead out Vs basswood fit just behind front tie-downs Epoxy T fitting top bulkhead epoxy bulkhead place pan Epoxy piece wood just behind engine has set epoxy remote needle valve assembly Make install outside filler tubing re tainer part can made out 2-56 machine screw stainless steel Drill clearance hole pan insert screw tighten pan 2-56 nut Wrap some copper wire around outer portion threads flow some solder will prevent filler tubing slipping off after tank has filled File off sharp edges after soldering Now bend front portion forward place some epoxy around nut cant rotate loose Cut slit near end pan tab bottom rudder Use Dremel Moto Tool cutting skid operation install rudder time Cut approximately 3/16 off rear end speed pan match length fiberglass shell Fuselage fiberglass shell particular shell designed Jim Wade has basic strength shape necessary good Speed plane However several additional con struction steps required before usable item Plan spending four five hours fitting parts sanding etc Start fitting hard balsa strips inside walls epoxy place necessary stiffness Cut Out install front tie-down blocks Mount engine pan remove glow head venturi needle valve assembly Place shell over pan/engine mark openings clear beam mounts crankcase Cut openings X-Acto saw fine teeth final fitting flat jewelers file Mark opening top cowl glow head Start hole aid Moto- Tool cutter within 1/32 correct size change over 100-grit sandpaper wrapped around 1 dia wood dowel will allow sneak up final fit Drill 1/16 dia hole behind glow head opening landing gear wire Roughen up sandpaper fiberglass area landing gear wire will installed Insert landing gear wire epoxy place Cut exhaust/cowl block outline shape Fit inside cowling epoxy place epoxy has set cut opening block clear cylinder Use same technique used cutting head opening cowl Cut exhaust openings next sure relieve area front behind Continued page 11] October 1980 33 Control choice three systems Stanzel Mono-Line H&R torque unit two-line belicrank having Mono-Line-type button connectors Kustom Kraftsmanship Spullets Stanzel Mono-Line unit completely enclosed inside fuselage wing flying line attaches button units end AMA rule book p 16 shows prepare line Heres startup Thumb pinches offfuel line needlevalve isopenedtotheapproximate setting engine starts prime thumb quickly releasedfuel gets carb RC Old-Timers/Mathews Continued page 29 lube rubber motors does splatter interior fuselage manner glycerin and-green soap-based lubes Using find can wind bit tums Sig contest rubber old-style lubes eliminat ing mess Chicken Egg San Diego Aeroneers SAM 41 newslettera reproduction inside wrapper 3sx24 AC spark plugs purchased miniature AC spark plug souvenir Century Progress ill interest know real spark plug etc interesting thing datethe Chicago Worlds Fair other name Century Progress held 1933 full three years before Bill Brown intro duced Brown Jr must presume souvenir spark plugs manufactured use early pro totype Browns Loutrells picked up bx some enterprising PR-type use Chicago Dee B Mathews 506 S Walnut Greensbug KS 67054 Spullet/Kirn Continued page 33 actual exhaust opening extremely impor tant proper exhaust scavenging Install cut-down venturi fuel collector ring onto engine Use MotoTool round-end cutter cut pocket venturi Cut front air opening shown plans photographs Mark locations wing stab openings Cut openings fit parts fuselage extremely careful both wing tail atO0 incidence leading trailing edge centerlines wing exactly /g down top figerglass shell Epoxy stab fuselage shell Now comes interesting part transferring three tie-down locations pan fuselage shell Mark vertical lines pencil sides speed pan exactly opposite centerline 2-56 holes Place fiberglass shell over speed pan hold together masking tape Transfer front two loca tions pencil line outside shell Remove tape continue lines underside fuselage shell Centers front two holes slightly under 3/16 outside walls rear tie-down loca tion can located inserting short headless section ofa2-56 machine screwapproximately 3/16 long pan until top threaded piece about 1/32 above surface Place fiberglass fuselage top pan press down hole location now indented plywood stab Two flats have cut shell just above front tie-down areas should e bottom fuselge Use flat cutter MotoTool operation Now drill three holes s dia fuselage Cut three pieces 8 OD aluminum Insert fuselage holes attach pan three round-head 2-56 x 2 screws fuselage sides line up svay around disassemble epoxy aluminum tubes place shell doesnt line up properly remove aluminum tubes open holes shell slightly round file until get proper alignment Epoxy tubes place hold fuselage pan three 256 screws until epoxy has set Cut slit fuselage shell 1/16 thick Plexiglass skid Fit epoxy skid place Cut openings shell remote needle valve outside fill tube last major work fuselage installing wing controls elevator pushrod made 045 dia music wire suggest making two pieces Overlap ends wrap copper wire Slide rods until get exactly correct length solder together front pushrod bellerank must installed bottom side wing before epoxying wing fuselage After wing installed fit s basswood piece top wing both sides fill spaces front rear airfoil section Epoxy place set sand until both pieces level across areas Sand away portion wing near trailplugs glow plug manufacturers employ organic fiber gaskets depend mechanical pressure sealing tend oxidize during engine operation subsequently leak GloBees permanent glass-tometal bond affords positive protection against plug seal blowouts lost compres sion resultant burned-up engines make best better Because nothing too good champion ship line winners fly GbBees Because GloBee plugs put sting engine Fusile GloBee producls now manulaclured available Twinn-K Inc Send 31 00 price list technical intormation GloBee Products Twinn-K Inc PO Box 31228 Indianapolis Indiana 46231 ing edge use MotoTool large diameter sanding drum fit thin sheet aluminum act cradle surgical tubing tank Epoxy place necessary filled tank has smooth resting place tiniest speck sand etc will burst tankiust soon engine fired up Painting Sand entire plane #320 wetor-dry sandpaper Brush recommended undercoat particular brand epoxy paint going use Spullet painted K&B Super Poxy red Spullet II painted yellow sure paint exposed inside fuselage fuel can get Let paint cure before installing elevator sure elevator will work up down binding before end hinge wire epoxied place Engine/prop/fuel As probably aware October 1980111 improved last longer under high stress conditions ATTENTION ERS Epoxy Glass Cowl NOSEN HOSTETLER PICA BALSA USA PLATF- CONCEPT FLEET SID MORGAN- RCM T CRAFT BYRON/SHEBER PITFS FOLKER D7 BOEING P-26&F4-B4 -GEE BEE MODY KRAFT SUPER FLY A&A SCALE AND OTHERS Send S ASE Complete List T&D FIBERGLASS SPECIALTIES 30925 Block Garden City MI 48135 Phi 313 421 6358 Tee Dee 049s run same recommend start off stock engine fly plane few times become familiar flying characteristics engines used Spullet set up left-hand crankshaft test flights Cox 4-4 left-hand prop prop used Cox ready-to-fly WW biplanes Later single-blade props tried hand-carved wood prop single blade 49 dia x 45 pitch used set record Jim Wade excellent articleEagle I published May 1976 issue Model Aviation article has plans constructing single-blade prop used set Senior Speed record 10827 mph also has some very helpful hints Tee Dee 049 set up addition Wades article would highly recommend get touch Gene Hempel P&G Metal Shop price chromed crankshaft definitely worth effort See address end article record-setting flight Spullet using venturi hole of150 dia following fuel mix 65% nitromethane 10% castor oil 8% synthetic oil Paraplex 17% propylene oxide stock 1702 Cox glow head head gasket also used shaved head will add some power always reliable suggest staying standard heads until getting consistent flights Sources various parts dealer may have stock speed pan Cox Hobbies 1505 E Warner Ave Santa Ana CA 92702 speed shell fiberglass John Newton 2154 Los Padres Rowland Heights CA 91745 Hardware packet Spullet Kirn-Kraft PO Box 785 Anaheim CA 92805 Chromed shaft fitted crankcase P&G Metal Shop 301 N Yale Dr Garland TX 75042 Reworked Tee Dee 049 engines 2-line bellcrank lines etc Kustom Kraftsmanship PO Box 2699 Laguna Hills CA 92653 CL Aerobatics/Paul Continued page 36 add bulkheads plywood doublers method will ensure engine mounting surface flat will put stress bearer causing annoying cracks later after 18-point finish has dried Also using method will enable get good tank fit having grapple fuselage sides Before gluing plywood doublers pencil several lines running lengthwise both sides doubler help line up fuselage sides wing later gluing fuselage onto wing found much better make cutouts wing bottom side fuselage Its just easier lay fuselage down over wing try block up fuselage bottom first put fuselage wing have top block tack-glued onto fuselage fuselage unbowed prevents big gaps later try put blocks back top bottom fuselage comes hollowing blocks can give no star tricksmy last plane has about five places went through block wing tip Ive tried electric light flashlights pins fluorescent lights detectors stetho scopes etc still go through wood guess best advice go slowly carefully Im certain everyone knows trick taping piece sandpaper onto top fuselage running canopy over trim final shape before insetting wood works Also someone told long time ago might have Jim Silhavy Bob Lampione ghosts world Precision Aerobatics past after completing plane make good pinhole very rear canopywhich will allow canopy alr breathe wont get condensa tion its hot outside have done planes time works think its good idea lay coat epoxy fiberglass cloth engine bearers down around under engine compartment help eliminate fuel soaking help keep front end together higli-zippity- zip engines have now building cowlings try construct side cowling close enough engine helps keep fuel tubing filter moving possibly coming loose flight Actually side cowling just touches fuel filter very difficult fuel line slide off spray bar just safety measure can built some designs cowlings latest airplane has full plywood ring nose cowling slips behind ring first time Ive used full plywood ring like lot betterits nice looking will probably keep front end held together cowling fits information stunt PAMPA write Wynn Paul 1640 Maywick Dr Lexington KY 40504 CL Carrier/Perry Continued page 37 what limited beginning engine consistently outperforms other mass-produced engines custom-made plain-bearing conversions well engine Supertigre ST 35 RC engine currently produced flat-top piston Perry-ported design time baffled piston version also avail able flat-top Combat type Profile Carrier engines readily avail able hobby shops discount houses Combat fliers have few box used engines kits suitable Profile Carrier Almost 35-class profile model under 44-in span qualifies some better others 10-point scale bonus makes replica model desirable GS Products Bearcat Corsair Skyraider very good models have out production some time hear turning up hobby shop occasionally 112 Model Aviation WANTED Display Purposes Flying Lady U Restaurant needs purchase well detailed Precision Scale model Ford 5-AT Tn- motor 6 7 wingspan required Send details & photos Irv Perch % Hill Country Inc PO Box 999 Morgan Hill CA 95037 Phone 408 779-4136
Edition: Model Aviation - 1980/10
Page Numbers: 30, 31, 32, 33, 111, 112
This daughter/father team used several years experience Speed competition five months specific effort set Senior 1/2A Speed record give us good look inside designing superior model getting what want its ideal Speed starter anyone U Mary Kay Kim & Dale Kim takes teamwork set Speed record Kim teamMary builder pilot dad Dale Spullet designer engine man Dale top Speed flier 25 years ago 1 q 30 Model Aviation MARY KAY Little did know first started competing contests would ever hold national AMA Speed record thought never occurred until last year junior high school Up until time compet ing just fun started flying model airplanes using MonoLine control eight years old Two-line flying started about year later first Nats 1971 Glenview IL lucky enough place 4th Junior Profile Proto Remember days contestants event lucky get flight attempts before time limit end day 1973 Oshkosh WI dad entered Proto Speed Open team placed first placed 5th Junior AA Profile 75 Nats still wasnt serious business setting record 1977 tried get serious Speed still wasnt fast enough beat certain Bussell Nats year year later decided really work go national record Senior Speed Spullet derived faster speeding bullet born December 1978 soon ready testing weekend dedicated purpose After flying Spullet few times getting feel ready get serious business making go fast tested propellers using different flight After knew props best competition started testing Out different engine-prop combinations different types weather got up 10001 mph good fuel certain record would set right weather condi tions fuel engine-prop combination ready try out Spullet official contest came May 6 1979 AA meet Santa Ana CA sky morning overcast cool first flight 95 mph wasnt exactly what looking plane beat 102 mph barrier get record few hours later tried again no luck After lunch sky began clear air getting warmer decided give try know ing deep down time Spullet would come through Because practice pylon always knew about fast plane moving time really going flight over congratulated secretly Dad also timing own informa tion said done Back official table timers calculating official time 10813 mph Now time support ing flight required records AMA rules hoped good clocking first attempt nervousness would disappear first try Spullet come through againthe time 10406 10813 official About week later started build backup plane Nats Lincoln NE wasnt finished time hoped nothing major would happen Spullet competing day AA Speed partly cloudy morning too windy forecast rain decided put flight before weather got worse first flight 10313 mph also best flight good enough first place still within 5 mph record Spullet II finished late October contest coming up December wanted see Spullet II few minor modifications original could break own record Again weekends practice experimentation began looked Spullet Spullet II nearly same performance first contest entered Van Nuys CA Spullet II choice fly officially Spullet backup Spullet II turned 10710 mph its first official flight 99% record Spullet proved design reliability looking Speed plane nearly practice flights takeoff wrist pylon prevents whipping up speed like everyone else does way able precisely consistently evaluate change time prop fuel etc Spullets design bit different Speed planes number respects Spullet sturdy plane about twice size conven tional Speed plane flies excellently wind because its extra weight 7 oz cross between Proto Rat Racer Incorporating best features both plus little extrathat being cowl design control system Mono-Line used instead torque unit front wheel tail skid outboard wing skid usedinstead dolly troublefree takeoffswhich encourage practice flying An interesting sidelight learn whip landings avoid nicking best props wearing down skids Spullet incorporates certain design features increase reliability provide added conven iences pressurized fuel system provisions outside refueling utilized consistent engine runs quicker refueling during test flights full Cox magnesium speed pan now again available top half fiberglass speed shell bottom An inverted engine used two reasons 1 shorten single landing gear wire less drag 2 hand-starting pressurized tank case surgical tubing tank less danger flooding engine since fuel will drip down venturi rather engine also set up can handstarted dependence electric starters uses left-hand propeller instead right-hand because torque plane cant come towards flierwith left-hand took about Phntoa Taylor Collins hour day three weeks construct plane designer himself Dad will explain detailed construction techniques DALE Construction Since wing tail must fitted fuselage make first October 1980 31 Neatness counts remote needle valve assembly permits easier cowling around front engine also keepsyouradjusting fingers awayfrom prop NotetheT-fitting foreasy fill bladdertank tank darker-colored segment surgical tubing upperspeed pan can just barely make out modified screw poking through side pan fuel fillers plug Note left-hand rotation prop Forward tie-down holes aft needle valve Several things note Single-bladed prop attached crankshaft 5-40 Allen screw recessed short brass spinner Also note front rear relief molding exhaust opening cowl very important top engine perform ance Opening front cowl venturinot engine cooling Only top fin glow head exposed cooling air dont have time necessary equipment can purchase hardware packet consisting formed elevator horn hinges landing gear wire etc Kirn-Kraft Write further details Any three types control systems can used Spullet choice yours Spullet II used Stanzel Mono-Line unit no problem obtaining special 2-line belicrank Mono-Line-type line hookup Kustom Kraftsmanship carries complete line other items still few H&R torque units Stanzel Mono-Line units around Check local Speed fliers area sources Cox speed pan fuselage fiberglass can purchased separately See source listing end article Tail Assembly Ruddercut outline shape sand symmetrical airfoil section attach speed pan time Stab elevatorcut outline shape sand symmetrical airfoil section Cut elevator off epoxy elevator horn four hinge tubes 1/16 OD aluminum Epoxy other three hinge tubes stab Slide length 1/32 dia music wire through tubes hold alignment before securing stab elevator epoxy hinge pin place until after plane has painted Wing control system Cut wing outline shape establish leading trailing edge reference lines necessary wont carve twist wing panels Start marking point root chord center wing viewed front 1 / 16 up bottom make mark both wing tips exactly inthe center3/32 up bottom 3/32 down top Repeat procedure trailing edges Lay straight edge between marks center tip draw straight line between points lines give illusion dihedral wing viewed front rear However case What seeing lifting section center portion wing symmetrical section tips combination airfoil sections allows wing set 00 incidence still produce desired amount lift flight requir ing little up elevator trim Carve sand top airfoil sections first bottom side Drill 045 dia hole outboard tip wing skid Fit skid wire place install time Cut recess bottom wing tip weight epoxy place front portion inboard wing must cut off hollowed outpassageway control unit flying line either Stanzel Speed-Master control unit H&R torque unit After control unit has o 23456 1/4 OZ LEAD TBOARD SKID PINCH OFF TUBE REMOTE NEEDLE VALVEI/2A MONO-LINE OUTSIDE TANK FIL 045 DIA MUSIC WIRE 0 STAB LIZ ER / 16 PLYWOOD SECTION A-A SECTION B-B 2 LINE BELLCRAN WITH MONO-LINE BUTTONS 000 LANDING DEAR 1/16 DIA MUSIC WIRE CDX SPEED PANSHELL1/16 PLYWOOD COWL BLODK 1/16 PLEX3LASS~ TEE DEE 049LA ______________________OPPONALI5/32 OD ALUM TUBE DESt3NEDBY DALE KIRNVIOVALEDI INKED BY JIM WADE1 DIA WHEEL 3/B HARD BALSA AIRFOIL SECTIONS ELEVATOR HORN 045 DIA MUSC WIRE 32 Model Aviation Simple takeoff dolly consists permanent singlewheel main gear wingtip skid main gear wire securely mounted epoxy/glass bottom fiberglass cowling Co N w w w C, w -J Co -j ci z -J w N -J SPULLET installed cut off section 5/32 dia aluminum tubing squeeze slightly vice until has oval cross section Epoxy tube place shown plans back inside edge oval hole must perfect alignment center line Mono-Line unit isnt control action flight will smooth going use two-line bellcrank Mono-Line type line hookup cut two channels bottom side inboard wing line passageways Install two oval aluminum lead-out guides cover up channels strips 1/16 basswood Inlay strips approximately 1/32 After have epoxied place sand until flush bottom wing Speed Pan engine mounting holes Cox pan already drilled tapped 3-48 thread Tee Dee 049 engine However may have enlarge four holes crankcase proper alignment lefthand prop setup prefer run thrust line top view pointing approximately degree inboard three tie-down areas need drilled tapped 2-5 6 thread operation best accomplished aid fixture hold pan securely drilling holes An illustra tion suitable fixture shown instruction sheet comes speed pan Mark three locations use center punch before drilling drill depth drill After holes have tapped chamfer top hole Vs dia drill T fitting can installed next Cut bulkhead out Vs basswood fit just behind front tie-downs Epoxy T fitting top bulkhead epoxy bulkhead place pan Epoxy piece wood just behind engine has set epoxy remote needle valve assembly Make install outside filler tubing re tainer part can made out 2-56 machine screw stainless steel Drill clearance hole pan insert screw tighten pan 2-56 nut Wrap some copper wire around outer portion threads flow some solder will prevent filler tubing slipping off after tank has filled File off sharp edges after soldering Now bend front portion forward place some epoxy around nut cant rotate loose Cut slit near end pan tab bottom rudder Use Dremel Moto Tool cutting skid operation install rudder time Cut approximately 3/16 off rear end speed pan match length fiberglass shell Fuselage fiberglass shell particular shell designed Jim Wade has basic strength shape necessary good Speed plane However several additional con struction steps required before usable item Plan spending four five hours fitting parts sanding etc Start fitting hard balsa strips inside walls epoxy place necessary stiffness Cut Out install front tie-down blocks Mount engine pan remove glow head venturi needle valve assembly Place shell over pan/engine mark openings clear beam mounts crankcase Cut openings X-Acto saw fine teeth final fitting flat jewelers file Mark opening top cowl glow head Start hole aid Moto- Tool cutter within 1/32 correct size change over 100-grit sandpaper wrapped around 1 dia wood dowel will allow sneak up final fit Drill 1/16 dia hole behind glow head opening landing gear wire Roughen up sandpaper fiberglass area landing gear wire will installed Insert landing gear wire epoxy place Cut exhaust/cowl block outline shape Fit inside cowling epoxy place epoxy has set cut opening block clear cylinder Use same technique used cutting head opening cowl Cut exhaust openings next sure relieve area front behind Continued page 11] October 1980 33 Control choice three systems Stanzel Mono-Line H&R torque unit two-line belicrank having Mono-Line-type button connectors Kustom Kraftsmanship Spullets Stanzel Mono-Line unit completely enclosed inside fuselage wing flying line attaches button units end AMA rule book p 16 shows prepare line Heres startup Thumb pinches offfuel line needlevalve isopenedtotheapproximate setting engine starts prime thumb quickly releasedfuel gets carb RC Old-Timers/Mathews Continued page 29 lube rubber motors does splatter interior fuselage manner glycerin and-green soap-based lubes Using find can wind bit tums Sig contest rubber old-style lubes eliminat ing mess Chicken Egg San Diego Aeroneers SAM 41 newslettera reproduction inside wrapper 3sx24 AC spark plugs purchased miniature AC spark plug souvenir Century Progress ill interest know real spark plug etc interesting thing datethe Chicago Worlds Fair other name Century Progress held 1933 full three years before Bill Brown intro duced Brown Jr must presume souvenir spark plugs manufactured use early pro totype Browns Loutrells picked up bx some enterprising PR-type use Chicago Dee B Mathews 506 S Walnut Greensbug KS 67054 Spullet/Kirn Continued page 33 actual exhaust opening extremely impor tant proper exhaust scavenging Install cut-down venturi fuel collector ring onto engine Use MotoTool round-end cutter cut pocket venturi Cut front air opening shown plans photographs Mark locations wing stab openings Cut openings fit parts fuselage extremely careful both wing tail atO0 incidence leading trailing edge centerlines wing exactly /g down top figerglass shell Epoxy stab fuselage shell Now comes interesting part transferring three tie-down locations pan fuselage shell Mark vertical lines pencil sides speed pan exactly opposite centerline 2-56 holes Place fiberglass shell over speed pan hold together masking tape Transfer front two loca tions pencil line outside shell Remove tape continue lines underside fuselage shell Centers front two holes slightly under 3/16 outside walls rear tie-down loca tion can located inserting short headless section ofa2-56 machine screwapproximately 3/16 long pan until top threaded piece about 1/32 above surface Place fiberglass fuselage top pan press down hole location now indented plywood stab Two flats have cut shell just above front tie-down areas should e bottom fuselge Use flat cutter MotoTool operation Now drill three holes s dia fuselage Cut three pieces 8 OD aluminum Insert fuselage holes attach pan three round-head 2-56 x 2 screws fuselage sides line up svay around disassemble epoxy aluminum tubes place shell doesnt line up properly remove aluminum tubes open holes shell slightly round file until get proper alignment Epoxy tubes place hold fuselage pan three 256 screws until epoxy has set Cut slit fuselage shell 1/16 thick Plexiglass skid Fit epoxy skid place Cut openings shell remote needle valve outside fill tube last major work fuselage installing wing controls elevator pushrod made 045 dia music wire suggest making two pieces Overlap ends wrap copper wire Slide rods until get exactly correct length solder together front pushrod bellerank must installed bottom side wing before epoxying wing fuselage After wing installed fit s basswood piece top wing both sides fill spaces front rear airfoil section Epoxy place set sand until both pieces level across areas Sand away portion wing near trailplugs glow plug manufacturers employ organic fiber gaskets depend mechanical pressure sealing tend oxidize during engine operation subsequently leak GloBees permanent glass-tometal bond affords positive protection against plug seal blowouts lost compres sion resultant burned-up engines make best better Because nothing too good champion ship line winners fly GbBees Because GloBee plugs put sting engine Fusile GloBee producls now manulaclured available Twinn-K Inc Send 31 00 price list technical intormation GloBee Products Twinn-K Inc PO Box 31228 Indianapolis Indiana 46231 ing edge use MotoTool large diameter sanding drum fit thin sheet aluminum act cradle surgical tubing tank Epoxy place necessary filled tank has smooth resting place tiniest speck sand etc will burst tankiust soon engine fired up Painting Sand entire plane #320 wetor-dry sandpaper Brush recommended undercoat particular brand epoxy paint going use Spullet painted K&B Super Poxy red Spullet II painted yellow sure paint exposed inside fuselage fuel can get Let paint cure before installing elevator sure elevator will work up down binding before end hinge wire epoxied place Engine/prop/fuel As probably aware October 1980111 improved last longer under high stress conditions ATTENTION ERS Epoxy Glass Cowl NOSEN HOSTETLER PICA BALSA USA PLATF- CONCEPT FLEET SID MORGAN- RCM T CRAFT BYRON/SHEBER PITFS FOLKER D7 BOEING P-26&F4-B4 -GEE BEE MODY KRAFT SUPER FLY A&A SCALE AND OTHERS Send S ASE Complete List T&D FIBERGLASS SPECIALTIES 30925 Block Garden City MI 48135 Phi 313 421 6358 Tee Dee 049s run same recommend start off stock engine fly plane few times become familiar flying characteristics engines used Spullet set up left-hand crankshaft test flights Cox 4-4 left-hand prop prop used Cox ready-to-fly WW biplanes Later single-blade props tried hand-carved wood prop single blade 49 dia x 45 pitch used set record Jim Wade excellent articleEagle I published May 1976 issue Model Aviation article has plans constructing single-blade prop used set Senior Speed record 10827 mph also has some very helpful hints Tee Dee 049 set up addition Wades article would highly recommend get touch Gene Hempel P&G Metal Shop price chromed crankshaft definitely worth effort See address end article record-setting flight Spullet using venturi hole of150 dia following fuel mix 65% nitromethane 10% castor oil 8% synthetic oil Paraplex 17% propylene oxide stock 1702 Cox glow head head gasket also used shaved head will add some power always reliable suggest staying standard heads until getting consistent flights Sources various parts dealer may have stock speed pan Cox Hobbies 1505 E Warner Ave Santa Ana CA 92702 speed shell fiberglass John Newton 2154 Los Padres Rowland Heights CA 91745 Hardware packet Spullet Kirn-Kraft PO Box 785 Anaheim CA 92805 Chromed shaft fitted crankcase P&G Metal Shop 301 N Yale Dr Garland TX 75042 Reworked Tee Dee 049 engines 2-line bellcrank lines etc Kustom Kraftsmanship PO Box 2699 Laguna Hills CA 92653 CL Aerobatics/Paul Continued page 36 add bulkheads plywood doublers method will ensure engine mounting surface flat will put stress bearer causing annoying cracks later after 18-point finish has dried Also using method will enable get good tank fit having grapple fuselage sides Before gluing plywood doublers pencil several lines running lengthwise both sides doubler help line up fuselage sides wing later gluing fuselage onto wing found much better make cutouts wing bottom side fuselage Its just easier lay fuselage down over wing try block up fuselage bottom first put fuselage wing have top block tack-glued onto fuselage fuselage unbowed prevents big gaps later try put blocks back top bottom fuselage comes hollowing blocks can give no star tricksmy last plane has about five places went through block wing tip Ive tried electric light flashlights pins fluorescent lights detectors stetho scopes etc still go through wood guess best advice go slowly carefully Im certain everyone knows trick taping piece sandpaper onto top fuselage running canopy over trim final shape before insetting wood works Also someone told long time ago might have Jim Silhavy Bob Lampione ghosts world Precision Aerobatics past after completing plane make good pinhole very rear canopywhich will allow canopy alr breathe wont get condensa tion its hot outside have done planes time works think its good idea lay coat epoxy fiberglass cloth engine bearers down around under engine compartment help eliminate fuel soaking help keep front end together higli-zippity- zip engines have now building cowlings try construct side cowling close enough engine helps keep fuel tubing filter moving possibly coming loose flight Actually side cowling just touches fuel filter very difficult fuel line slide off spray bar just safety measure can built some designs cowlings latest airplane has full plywood ring nose cowling slips behind ring first time Ive used full plywood ring like lot betterits nice looking will probably keep front end held together cowling fits information stunt PAMPA write Wynn Paul 1640 Maywick Dr Lexington KY 40504 CL Carrier/Perry Continued page 37 what limited beginning engine consistently outperforms other mass-produced engines custom-made plain-bearing conversions well engine Supertigre ST 35 RC engine currently produced flat-top piston Perry-ported design time baffled piston version also avail able flat-top Combat type Profile Carrier engines readily avail able hobby shops discount houses Combat fliers have few box used engines kits suitable Profile Carrier Almost 35-class profile model under 44-in span qualifies some better others 10-point scale bonus makes replica model desirable GS Products Bearcat Corsair Skyraider very good models have out production some time hear turning up hobby shop occasionally 112 Model Aviation WANTED Display Purposes Flying Lady U Restaurant needs purchase well detailed Precision Scale model Ford 5-AT Tn- motor 6 7 wingspan required Send details & photos Irv Perch % Hill Country Inc PO Box 999 Morgan Hill CA 95037 Phone 408 779-4136
Edition: Model Aviation - 1980/10
Page Numbers: 30, 31, 32, 33, 111, 112
This daughter/father team used several years experience Speed competition five months specific effort set Senior 1/2A Speed record give us good look inside designing superior model getting what want its ideal Speed starter anyone U Mary Kay Kim & Dale Kim takes teamwork set Speed record Kim teamMary builder pilot dad Dale Spullet designer engine man Dale top Speed flier 25 years ago 1 q 30 Model Aviation MARY KAY Little did know first started competing contests would ever hold national AMA Speed record thought never occurred until last year junior high school Up until time compet ing just fun started flying model airplanes using MonoLine control eight years old Two-line flying started about year later first Nats 1971 Glenview IL lucky enough place 4th Junior Profile Proto Remember days contestants event lucky get flight attempts before time limit end day 1973 Oshkosh WI dad entered Proto Speed Open team placed first placed 5th Junior AA Profile 75 Nats still wasnt serious business setting record 1977 tried get serious Speed still wasnt fast enough beat certain Bussell Nats year year later decided really work go national record Senior Speed Spullet derived faster speeding bullet born December 1978 soon ready testing weekend dedicated purpose After flying Spullet few times getting feel ready get serious business making go fast tested propellers using different flight After knew props best competition started testing Out different engine-prop combinations different types weather got up 10001 mph good fuel certain record would set right weather condi tions fuel engine-prop combination ready try out Spullet official contest came May 6 1979 AA meet Santa Ana CA sky morning overcast cool first flight 95 mph wasnt exactly what looking plane beat 102 mph barrier get record few hours later tried again no luck After lunch sky began clear air getting warmer decided give try know ing deep down time Spullet would come through Because practice pylon always knew about fast plane moving time really going flight over congratulated secretly Dad also timing own informa tion said done Back official table timers calculating official time 10813 mph Now time support ing flight required records AMA rules hoped good clocking first attempt nervousness would disappear first try Spullet come through againthe time 10406 10813 official About week later started build backup plane Nats Lincoln NE wasnt finished time hoped nothing major would happen Spullet competing day AA Speed partly cloudy morning too windy forecast rain decided put flight before weather got worse first flight 10313 mph also best flight good enough first place still within 5 mph record Spullet II finished late October contest coming up December wanted see Spullet II few minor modifications original could break own record Again weekends practice experimentation began looked Spullet Spullet II nearly same performance first contest entered Van Nuys CA Spullet II choice fly officially Spullet backup Spullet II turned 10710 mph its first official flight 99% record Spullet proved design reliability looking Speed plane nearly practice flights takeoff wrist pylon prevents whipping up speed like everyone else does way able precisely consistently evaluate change time prop fuel etc Spullets design bit different Speed planes number respects Spullet sturdy plane about twice size conven tional Speed plane flies excellently wind because its extra weight 7 oz cross between Proto Rat Racer Incorporating best features both plus little extrathat being cowl design control system Mono-Line used instead torque unit front wheel tail skid outboard wing skid usedinstead dolly troublefree takeoffswhich encourage practice flying An interesting sidelight learn whip landings avoid nicking best props wearing down skids Spullet incorporates certain design features increase reliability provide added conven iences pressurized fuel system provisions outside refueling utilized consistent engine runs quicker refueling during test flights full Cox magnesium speed pan now again available top half fiberglass speed shell bottom An inverted engine used two reasons 1 shorten single landing gear wire less drag 2 hand-starting pressurized tank case surgical tubing tank less danger flooding engine since fuel will drip down venturi rather engine also set up can handstarted dependence electric starters uses left-hand propeller instead right-hand because torque plane cant come towards flierwith left-hand took about Phntoa Taylor Collins hour day three weeks construct plane designer himself Dad will explain detailed construction techniques DALE Construction Since wing tail must fitted fuselage make first October 1980 31 Neatness counts remote needle valve assembly permits easier cowling around front engine also keepsyouradjusting fingers awayfrom prop NotetheT-fitting foreasy fill bladdertank tank darker-colored segment surgical tubing upperspeed pan can just barely make out modified screw poking through side pan fuel fillers plug Note left-hand rotation prop Forward tie-down holes aft needle valve Several things note Single-bladed prop attached crankshaft 5-40 Allen screw recessed short brass spinner Also note front rear relief molding exhaust opening cowl very important top engine perform ance Opening front cowl venturinot engine cooling Only top fin glow head exposed cooling air dont have time necessary equipment can purchase hardware packet consisting formed elevator horn hinges landing gear wire etc Kirn-Kraft Write further details Any three types control systems can used Spullet choice yours Spullet II used Stanzel Mono-Line unit no problem obtaining special 2-line belicrank Mono-Line-type line hookup Kustom Kraftsmanship carries complete line other items still few H&R torque units Stanzel Mono-Line units around Check local Speed fliers area sources Cox speed pan fuselage fiberglass can purchased separately See source listing end article Tail Assembly Ruddercut outline shape sand symmetrical airfoil section attach speed pan time Stab elevatorcut outline shape sand symmetrical airfoil section Cut elevator off epoxy elevator horn four hinge tubes 1/16 OD aluminum Epoxy other three hinge tubes stab Slide length 1/32 dia music wire through tubes hold alignment before securing stab elevator epoxy hinge pin place until after plane has painted Wing control system Cut wing outline shape establish leading trailing edge reference lines necessary wont carve twist wing panels Start marking point root chord center wing viewed front 1 / 16 up bottom make mark both wing tips exactly inthe center3/32 up bottom 3/32 down top Repeat procedure trailing edges Lay straight edge between marks center tip draw straight line between points lines give illusion dihedral wing viewed front rear However case What seeing lifting section center portion wing symmetrical section tips combination airfoil sections allows wing set 00 incidence still produce desired amount lift flight requir ing little up elevator trim Carve sand top airfoil sections first bottom side Drill 045 dia hole outboard tip wing skid Fit skid wire place install time Cut recess bottom wing tip weight epoxy place front portion inboard wing must cut off hollowed outpassageway control unit flying line either Stanzel Speed-Master control unit H&R torque unit After control unit has o 23456 1/4 OZ LEAD TBOARD SKID PINCH OFF TUBE REMOTE NEEDLE VALVEI/2A MONO-LINE OUTSIDE TANK FIL 045 DIA MUSIC WIRE 0 STAB LIZ ER / 16 PLYWOOD SECTION A-A SECTION B-B 2 LINE BELLCRAN WITH MONO-LINE BUTTONS 000 LANDING DEAR 1/16 DIA MUSIC WIRE CDX SPEED PANSHELL1/16 PLYWOOD COWL BLODK 1/16 PLEX3LASS~ TEE DEE 049LA ______________________OPPONALI5/32 OD ALUM TUBE DESt3NEDBY DALE KIRNVIOVALEDI INKED BY JIM WADE1 DIA WHEEL 3/B HARD BALSA AIRFOIL SECTIONS ELEVATOR HORN 045 DIA MUSC WIRE 32 Model Aviation Simple takeoff dolly consists permanent singlewheel main gear wingtip skid main gear wire securely mounted epoxy/glass bottom fiberglass cowling Co N w w w C, w -J Co -j ci z -J w N -J SPULLET installed cut off section 5/32 dia aluminum tubing squeeze slightly vice until has oval cross section Epoxy tube place shown plans back inside edge oval hole must perfect alignment center line Mono-Line unit isnt control action flight will smooth going use two-line bellcrank Mono-Line type line hookup cut two channels bottom side inboard wing line passageways Install two oval aluminum lead-out guides cover up channels strips 1/16 basswood Inlay strips approximately 1/32 After have epoxied place sand until flush bottom wing Speed Pan engine mounting holes Cox pan already drilled tapped 3-48 thread Tee Dee 049 engine However may have enlarge four holes crankcase proper alignment lefthand prop setup prefer run thrust line top view pointing approximately degree inboard three tie-down areas need drilled tapped 2-5 6 thread operation best accomplished aid fixture hold pan securely drilling holes An illustra tion suitable fixture shown instruction sheet comes speed pan Mark three locations use center punch before drilling drill depth drill After holes have tapped chamfer top hole Vs dia drill T fitting can installed next Cut bulkhead out Vs basswood fit just behind front tie-downs Epoxy T fitting top bulkhead epoxy bulkhead place pan Epoxy piece wood just behind engine has set epoxy remote needle valve assembly Make install outside filler tubing re tainer part can made out 2-56 machine screw stainless steel Drill clearance hole pan insert screw tighten pan 2-56 nut Wrap some copper wire around outer portion threads flow some solder will prevent filler tubing slipping off after tank has filled File off sharp edges after soldering Now bend front portion forward place some epoxy around nut cant rotate loose Cut slit near end pan tab bottom rudder Use Dremel Moto Tool cutting skid operation install rudder time Cut approximately 3/16 off rear end speed pan match length fiberglass shell Fuselage fiberglass shell particular shell designed Jim Wade has basic strength shape necessary good Speed plane However several additional con struction steps required before usable item Plan spending four five hours fitting parts sanding etc Start fitting hard balsa strips inside walls epoxy place necessary stiffness Cut Out install front tie-down blocks Mount engine pan remove glow head venturi needle valve assembly Place shell over pan/engine mark openings clear beam mounts crankcase Cut openings X-Acto saw fine teeth final fitting flat jewelers file Mark opening top cowl glow head Start hole aid Moto- Tool cutter within 1/32 correct size change over 100-grit sandpaper wrapped around 1 dia wood dowel will allow sneak up final fit Drill 1/16 dia hole behind glow head opening landing gear wire Roughen up sandpaper fiberglass area landing gear wire will installed Insert landing gear wire epoxy place Cut exhaust/cowl block outline shape Fit inside cowling epoxy place epoxy has set cut opening block clear cylinder Use same technique used cutting head opening cowl Cut exhaust openings next sure relieve area front behind Continued page 11] October 1980 33 Control choice three systems Stanzel Mono-Line H&R torque unit two-line belicrank having Mono-Line-type button connectors Kustom Kraftsmanship Spullets Stanzel Mono-Line unit completely enclosed inside fuselage wing flying line attaches button units end AMA rule book p 16 shows prepare line Heres startup Thumb pinches offfuel line needlevalve isopenedtotheapproximate setting engine starts prime thumb quickly releasedfuel gets carb RC Old-Timers/Mathews Continued page 29 lube rubber motors does splatter interior fuselage manner glycerin and-green soap-based lubes Using find can wind bit tums Sig contest rubber old-style lubes eliminat ing mess Chicken Egg San Diego Aeroneers SAM 41 newslettera reproduction inside wrapper 3sx24 AC spark plugs purchased miniature AC spark plug souvenir Century Progress ill interest know real spark plug etc interesting thing datethe Chicago Worlds Fair other name Century Progress held 1933 full three years before Bill Brown intro duced Brown Jr must presume souvenir spark plugs manufactured use early pro totype Browns Loutrells picked up bx some enterprising PR-type use Chicago Dee B Mathews 506 S Walnut Greensbug KS 67054 Spullet/Kirn Continued page 33 actual exhaust opening extremely impor tant proper exhaust scavenging Install cut-down venturi fuel collector ring onto engine Use MotoTool round-end cutter cut pocket venturi Cut front air opening shown plans photographs Mark locations wing stab openings Cut openings fit parts fuselage extremely careful both wing tail atO0 incidence leading trailing edge centerlines wing exactly /g down top figerglass shell Epoxy stab fuselage shell Now comes interesting part transferring three tie-down locations pan fuselage shell Mark vertical lines pencil sides speed pan exactly opposite centerline 2-56 holes Place fiberglass shell over speed pan hold together masking tape Transfer front two loca tions pencil line outside shell Remove tape continue lines underside fuselage shell Centers front two holes slightly under 3/16 outside walls rear tie-down loca tion can located inserting short headless section ofa2-56 machine screwapproximately 3/16 long pan until top threaded piece about 1/32 above surface Place fiberglass fuselage top pan press down hole location now indented plywood stab Two flats have cut shell just above front tie-down areas should e bottom fuselge Use flat cutter MotoTool operation Now drill three holes s dia fuselage Cut three pieces 8 OD aluminum Insert fuselage holes attach pan three round-head 2-56 x 2 screws fuselage sides line up svay around disassemble epoxy aluminum tubes place shell doesnt line up properly remove aluminum tubes open holes shell slightly round file until get proper alignment Epoxy tubes place hold fuselage pan three 256 screws until epoxy has set Cut slit fuselage shell 1/16 thick Plexiglass skid Fit epoxy skid place Cut openings shell remote needle valve outside fill tube last major work fuselage installing wing controls elevator pushrod made 045 dia music wire suggest making two pieces Overlap ends wrap copper wire Slide rods until get exactly correct length solder together front pushrod bellerank must installed bottom side wing before epoxying wing fuselage After wing installed fit s basswood piece top wing both sides fill spaces front rear airfoil section Epoxy place set sand until both pieces level across areas Sand away portion wing near trailplugs glow plug manufacturers employ organic fiber gaskets depend mechanical pressure sealing tend oxidize during engine operation subsequently leak GloBees permanent glass-tometal bond affords positive protection against plug seal blowouts lost compres sion resultant burned-up engines make best better Because nothing too good champion ship line winners fly GbBees Because GloBee plugs put sting engine Fusile GloBee producls now manulaclured available Twinn-K Inc Send 31 00 price list technical intormation GloBee Products Twinn-K Inc PO Box 31228 Indianapolis Indiana 46231 ing edge use MotoTool large diameter sanding drum fit thin sheet aluminum act cradle surgical tubing tank Epoxy place necessary filled tank has smooth resting place tiniest speck sand etc will burst tankiust soon engine fired up Painting Sand entire plane #320 wetor-dry sandpaper Brush recommended undercoat particular brand epoxy paint going use Spullet painted K&B Super Poxy red Spullet II painted yellow sure paint exposed inside fuselage fuel can get Let paint cure before installing elevator sure elevator will work up down binding before end hinge wire epoxied place Engine/prop/fuel As probably aware October 1980111 improved last longer under high stress conditions ATTENTION ERS Epoxy Glass Cowl NOSEN HOSTETLER PICA BALSA USA PLATF- CONCEPT FLEET SID MORGAN- RCM T CRAFT BYRON/SHEBER PITFS FOLKER D7 BOEING P-26&F4-B4 -GEE BEE MODY KRAFT SUPER FLY A&A SCALE AND OTHERS Send S ASE Complete List T&D FIBERGLASS SPECIALTIES 30925 Block Garden City MI 48135 Phi 313 421 6358 Tee Dee 049s run same recommend start off stock engine fly plane few times become familiar flying characteristics engines used Spullet set up left-hand crankshaft test flights Cox 4-4 left-hand prop prop used Cox ready-to-fly WW biplanes Later single-blade props tried hand-carved wood prop single blade 49 dia x 45 pitch used set record Jim Wade excellent articleEagle I published May 1976 issue Model Aviation article has plans constructing single-blade prop used set Senior Speed record 10827 mph also has some very helpful hints Tee Dee 049 set up addition Wades article would highly recommend get touch Gene Hempel P&G Metal Shop price chromed crankshaft definitely worth effort See address end article record-setting flight Spullet using venturi hole of150 dia following fuel mix 65% nitromethane 10% castor oil 8% synthetic oil Paraplex 17% propylene oxide stock 1702 Cox glow head head gasket also used shaved head will add some power always reliable suggest staying standard heads until getting consistent flights Sources various parts dealer may have stock speed pan Cox Hobbies 1505 E Warner Ave Santa Ana CA 92702 speed shell fiberglass John Newton 2154 Los Padres Rowland Heights CA 91745 Hardware packet Spullet Kirn-Kraft PO Box 785 Anaheim CA 92805 Chromed shaft fitted crankcase P&G Metal Shop 301 N Yale Dr Garland TX 75042 Reworked Tee Dee 049 engines 2-line bellcrank lines etc Kustom Kraftsmanship PO Box 2699 Laguna Hills CA 92653 CL Aerobatics/Paul Continued page 36 add bulkheads plywood doublers method will ensure engine mounting surface flat will put stress bearer causing annoying cracks later after 18-point finish has dried Also using method will enable get good tank fit having grapple fuselage sides Before gluing plywood doublers pencil several lines running lengthwise both sides doubler help line up fuselage sides wing later gluing fuselage onto wing found much better make cutouts wing bottom side fuselage Its just easier lay fuselage down over wing try block up fuselage bottom first put fuselage wing have top block tack-glued onto fuselage fuselage unbowed prevents big gaps later try put blocks back top bottom fuselage comes hollowing blocks can give no star tricksmy last plane has about five places went through block wing tip Ive tried electric light flashlights pins fluorescent lights detectors stetho scopes etc still go through wood guess best advice go slowly carefully Im certain everyone knows trick taping piece sandpaper onto top fuselage running canopy over trim final shape before insetting wood works Also someone told long time ago might have Jim Silhavy Bob Lampione ghosts world Precision Aerobatics past after completing plane make good pinhole very rear canopywhich will allow canopy alr breathe wont get condensa tion its hot outside have done planes time works think its good idea lay coat epoxy fiberglass cloth engine bearers down around under engine compartment help eliminate fuel soaking help keep front end together higli-zippity- zip engines have now building cowlings try construct side cowling close enough engine helps keep fuel tubing filter moving possibly coming loose flight Actually side cowling just touches fuel filter very difficult fuel line slide off spray bar just safety measure can built some designs cowlings latest airplane has full plywood ring nose cowling slips behind ring first time Ive used full plywood ring like lot betterits nice looking will probably keep front end held together cowling fits information stunt PAMPA write Wynn Paul 1640 Maywick Dr Lexington KY 40504 CL Carrier/Perry Continued page 37 what limited beginning engine consistently outperforms other mass-produced engines custom-made plain-bearing conversions well engine Supertigre ST 35 RC engine currently produced flat-top piston Perry-ported design time baffled piston version also avail able flat-top Combat type Profile Carrier engines readily avail able hobby shops discount houses Combat fliers have few box used engines kits suitable Profile Carrier Almost 35-class profile model under 44-in span qualifies some better others 10-point scale bonus makes replica model desirable GS Products Bearcat Corsair Skyraider very good models have out production some time hear turning up hobby shop occasionally 112 Model Aviation WANTED Display Purposes Flying Lady U Restaurant needs purchase well detailed Precision Scale model Ford 5-AT Tn- motor 6 7 wingspan required Send details & photos Irv Perch % Hill Country Inc PO Box 999 Morgan Hill CA 95037 Phone 408 779-4136
Edition: Model Aviation - 1980/10
Page Numbers: 30, 31, 32, 33, 111, 112
This daughter/father team used several years experience Speed competition five months specific effort set Senior 1/2A Speed record give us good look inside designing superior model getting what want its ideal Speed starter anyone U Mary Kay Kim & Dale Kim takes teamwork set Speed record Kim teamMary builder pilot dad Dale Spullet designer engine man Dale top Speed flier 25 years ago 1 q 30 Model Aviation MARY KAY Little did know first started competing contests would ever hold national AMA Speed record thought never occurred until last year junior high school Up until time compet ing just fun started flying model airplanes using MonoLine control eight years old Two-line flying started about year later first Nats 1971 Glenview IL lucky enough place 4th Junior Profile Proto Remember days contestants event lucky get flight attempts before time limit end day 1973 Oshkosh WI dad entered Proto Speed Open team placed first placed 5th Junior AA Profile 75 Nats still wasnt serious business setting record 1977 tried get serious Speed still wasnt fast enough beat certain Bussell Nats year year later decided really work go national record Senior Speed Spullet derived faster speeding bullet born December 1978 soon ready testing weekend dedicated purpose After flying Spullet few times getting feel ready get serious business making go fast tested propellers using different flight After knew props best competition started testing Out different engine-prop combinations different types weather got up 10001 mph good fuel certain record would set right weather condi tions fuel engine-prop combination ready try out Spullet official contest came May 6 1979 AA meet Santa Ana CA sky morning overcast cool first flight 95 mph wasnt exactly what looking plane beat 102 mph barrier get record few hours later tried again no luck After lunch sky began clear air getting warmer decided give try know ing deep down time Spullet would come through Because practice pylon always knew about fast plane moving time really going flight over congratulated secretly Dad also timing own informa tion said done Back official table timers calculating official time 10813 mph Now time support ing flight required records AMA rules hoped good clocking first attempt nervousness would disappear first try Spullet come through againthe time 10406 10813 official About week later started build backup plane Nats Lincoln NE wasnt finished time hoped nothing major would happen Spullet competing day AA Speed partly cloudy morning too windy forecast rain decided put flight before weather got worse first flight 10313 mph also best flight good enough first place still within 5 mph record Spullet II finished late October contest coming up December wanted see Spullet II few minor modifications original could break own record Again weekends practice experimentation began looked Spullet Spullet II nearly same performance first contest entered Van Nuys CA Spullet II choice fly officially Spullet backup Spullet II turned 10710 mph its first official flight 99% record Spullet proved design reliability looking Speed plane nearly practice flights takeoff wrist pylon prevents whipping up speed like everyone else does way able precisely consistently evaluate change time prop fuel etc Spullets design bit different Speed planes number respects Spullet sturdy plane about twice size conven tional Speed plane flies excellently wind because its extra weight 7 oz cross between Proto Rat Racer Incorporating best features both plus little extrathat being cowl design control system Mono-Line used instead torque unit front wheel tail skid outboard wing skid usedinstead dolly troublefree takeoffswhich encourage practice flying An interesting sidelight learn whip landings avoid nicking best props wearing down skids Spullet incorporates certain design features increase reliability provide added conven iences pressurized fuel system provisions outside refueling utilized consistent engine runs quicker refueling during test flights full Cox magnesium speed pan now again available top half fiberglass speed shell bottom An inverted engine used two reasons 1 shorten single landing gear wire less drag 2 hand-starting pressurized tank case surgical tubing tank less danger flooding engine since fuel will drip down venturi rather engine also set up can handstarted dependence electric starters uses left-hand propeller instead right-hand because torque plane cant come towards flierwith left-hand took about Phntoa Taylor Collins hour day three weeks construct plane designer himself Dad will explain detailed construction techniques DALE Construction Since wing tail must fitted fuselage make first October 1980 31 Neatness counts remote needle valve assembly permits easier cowling around front engine also keepsyouradjusting fingers awayfrom prop NotetheT-fitting foreasy fill bladdertank tank darker-colored segment surgical tubing upperspeed pan can just barely make out modified screw poking through side pan fuel fillers plug Note left-hand rotation prop Forward tie-down holes aft needle valve Several things note Single-bladed prop attached crankshaft 5-40 Allen screw recessed short brass spinner Also note front rear relief molding exhaust opening cowl very important top engine perform ance Opening front cowl venturinot engine cooling Only top fin glow head exposed cooling air dont have time necessary equipment can purchase hardware packet consisting formed elevator horn hinges landing gear wire etc Kirn-Kraft Write further details Any three types control systems can used Spullet choice yours Spullet II used Stanzel Mono-Line unit no problem obtaining special 2-line belicrank Mono-Line-type line hookup Kustom Kraftsmanship carries complete line other items still few H&R torque units Stanzel Mono-Line units around Check local Speed fliers area sources Cox speed pan fuselage fiberglass can purchased separately See source listing end article Tail Assembly Ruddercut outline shape sand symmetrical airfoil section attach speed pan time Stab elevatorcut outline shape sand symmetrical airfoil section Cut elevator off epoxy elevator horn four hinge tubes 1/16 OD aluminum Epoxy other three hinge tubes stab Slide length 1/32 dia music wire through tubes hold alignment before securing stab elevator epoxy hinge pin place until after plane has painted Wing control system Cut wing outline shape establish leading trailing edge reference lines necessary wont carve twist wing panels Start marking point root chord center wing viewed front 1 / 16 up bottom make mark both wing tips exactly inthe center3/32 up bottom 3/32 down top Repeat procedure trailing edges Lay straight edge between marks center tip draw straight line between points lines give illusion dihedral wing viewed front rear However case What seeing lifting section center portion wing symmetrical section tips combination airfoil sections allows wing set 00 incidence still produce desired amount lift flight requir ing little up elevator trim Carve sand top airfoil sections first bottom side Drill 045 dia hole outboard tip wing skid Fit skid wire place install time Cut recess bottom wing tip weight epoxy place front portion inboard wing must cut off hollowed outpassageway control unit flying line either Stanzel Speed-Master control unit H&R torque unit After control unit has o 23456 1/4 OZ LEAD TBOARD SKID PINCH OFF TUBE REMOTE NEEDLE VALVEI/2A MONO-LINE OUTSIDE TANK FIL 045 DIA MUSIC WIRE 0 STAB LIZ ER / 16 PLYWOOD SECTION A-A SECTION B-B 2 LINE BELLCRAN WITH MONO-LINE BUTTONS 000 LANDING DEAR 1/16 DIA MUSIC WIRE CDX SPEED PANSHELL1/16 PLYWOOD COWL BLODK 1/16 PLEX3LASS~ TEE DEE 049LA ______________________OPPONALI5/32 OD ALUM TUBE DESt3NEDBY DALE KIRNVIOVALEDI INKED BY JIM WADE1 DIA WHEEL 3/B HARD BALSA AIRFOIL SECTIONS ELEVATOR HORN 045 DIA MUSC WIRE 32 Model Aviation Simple takeoff dolly consists permanent singlewheel main gear wingtip skid main gear wire securely mounted epoxy/glass bottom fiberglass cowling Co N w w w C, w -J Co -j ci z -J w N -J SPULLET installed cut off section 5/32 dia aluminum tubing squeeze slightly vice until has oval cross section Epoxy tube place shown plans back inside edge oval hole must perfect alignment center line Mono-Line unit isnt control action flight will smooth going use two-line bellcrank Mono-Line type line hookup cut two channels bottom side inboard wing line passageways Install two oval aluminum lead-out guides cover up channels strips 1/16 basswood Inlay strips approximately 1/32 After have epoxied place sand until flush bottom wing Speed Pan engine mounting holes Cox pan already drilled tapped 3-48 thread Tee Dee 049 engine However may have enlarge four holes crankcase proper alignment lefthand prop setup prefer run thrust line top view pointing approximately degree inboard three tie-down areas need drilled tapped 2-5 6 thread operation best accomplished aid fixture hold pan securely drilling holes An illustra tion suitable fixture shown instruction sheet comes speed pan Mark three locations use center punch before drilling drill depth drill After holes have tapped chamfer top hole Vs dia drill T fitting can installed next Cut bulkhead out Vs basswood fit just behind front tie-downs Epoxy T fitting top bulkhead epoxy bulkhead place pan Epoxy piece wood just behind engine has set epoxy remote needle valve assembly Make install outside filler tubing re tainer part can made out 2-56 machine screw stainless steel Drill clearance hole pan insert screw tighten pan 2-56 nut Wrap some copper wire around outer portion threads flow some solder will prevent filler tubing slipping off after tank has filled File off sharp edges after soldering Now bend front portion forward place some epoxy around nut cant rotate loose Cut slit near end pan tab bottom rudder Use Dremel Moto Tool cutting skid operation install rudder time Cut approximately 3/16 off rear end speed pan match length fiberglass shell Fuselage fiberglass shell particular shell designed Jim Wade has basic strength shape necessary good Speed plane However several additional con struction steps required before usable item Plan spending four five hours fitting parts sanding etc Start fitting hard balsa strips inside walls epoxy place necessary stiffness Cut Out install front tie-down blocks Mount engine pan remove glow head venturi needle valve assembly Place shell over pan/engine mark openings clear beam mounts crankcase Cut openings X-Acto saw fine teeth final fitting flat jewelers file Mark opening top cowl glow head Start hole aid Moto- Tool cutter within 1/32 correct size change over 100-grit sandpaper wrapped around 1 dia wood dowel will allow sneak up final fit Drill 1/16 dia hole behind glow head opening landing gear wire Roughen up sandpaper fiberglass area landing gear wire will installed Insert landing gear wire epoxy place Cut exhaust/cowl block outline shape Fit inside cowling epoxy place epoxy has set cut opening block clear cylinder Use same technique used cutting head opening cowl Cut exhaust openings next sure relieve area front behind Continued page 11] October 1980 33 Control choice three systems Stanzel Mono-Line H&R torque unit two-line belicrank having Mono-Line-type button connectors Kustom Kraftsmanship Spullets Stanzel Mono-Line unit completely enclosed inside fuselage wing flying line attaches button units end AMA rule book p 16 shows prepare line Heres startup Thumb pinches offfuel line needlevalve isopenedtotheapproximate setting engine starts prime thumb quickly releasedfuel gets carb RC Old-Timers/Mathews Continued page 29 lube rubber motors does splatter interior fuselage manner glycerin and-green soap-based lubes Using find can wind bit tums Sig contest rubber old-style lubes eliminat ing mess Chicken Egg San Diego Aeroneers SAM 41 newslettera reproduction inside wrapper 3sx24 AC spark plugs purchased miniature AC spark plug souvenir Century Progress ill interest know real spark plug etc interesting thing datethe Chicago Worlds Fair other name Century Progress held 1933 full three years before Bill Brown intro duced Brown Jr must presume souvenir spark plugs manufactured use early pro totype Browns Loutrells picked up bx some enterprising PR-type use Chicago Dee B Mathews 506 S Walnut Greensbug KS 67054 Spullet/Kirn Continued page 33 actual exhaust opening extremely impor tant proper exhaust scavenging Install cut-down venturi fuel collector ring onto engine Use MotoTool round-end cutter cut pocket venturi Cut front air opening shown plans photographs Mark locations wing stab openings Cut openings fit parts fuselage extremely careful both wing tail atO0 incidence leading trailing edge centerlines wing exactly /g down top figerglass shell Epoxy stab fuselage shell Now comes interesting part transferring three tie-down locations pan fuselage shell Mark vertical lines pencil sides speed pan exactly opposite centerline 2-56 holes Place fiberglass shell over speed pan hold together masking tape Transfer front two loca tions pencil line outside shell Remove tape continue lines underside fuselage shell Centers front two holes slightly under 3/16 outside walls rear tie-down loca tion can located inserting short headless section ofa2-56 machine screwapproximately 3/16 long pan until top threaded piece about 1/32 above surface Place fiberglass fuselage top pan press down hole location now indented plywood stab Two flats have cut shell just above front tie-down areas should e bottom fuselge Use flat cutter MotoTool operation Now drill three holes s dia fuselage Cut three pieces 8 OD aluminum Insert fuselage holes attach pan three round-head 2-56 x 2 screws fuselage sides line up svay around disassemble epoxy aluminum tubes place shell doesnt line up properly remove aluminum tubes open holes shell slightly round file until get proper alignment Epoxy tubes place hold fuselage pan three 256 screws until epoxy has set Cut slit fuselage shell 1/16 thick Plexiglass skid Fit epoxy skid place Cut openings shell remote needle valve outside fill tube last major work fuselage installing wing controls elevator pushrod made 045 dia music wire suggest making two pieces Overlap ends wrap copper wire Slide rods until get exactly correct length solder together front pushrod bellerank must installed bottom side wing before epoxying wing fuselage After wing installed fit s basswood piece top wing both sides fill spaces front rear airfoil section Epoxy place set sand until both pieces level across areas Sand away portion wing near trailplugs glow plug manufacturers employ organic fiber gaskets depend mechanical pressure sealing tend oxidize during engine operation subsequently leak GloBees permanent glass-tometal bond affords positive protection against plug seal blowouts lost compres sion resultant burned-up engines make best better Because nothing too good champion ship line winners fly GbBees Because GloBee plugs put sting engine Fusile GloBee producls now manulaclured available Twinn-K Inc Send 31 00 price list technical intormation GloBee Products Twinn-K Inc PO Box 31228 Indianapolis Indiana 46231 ing edge use MotoTool large diameter sanding drum fit thin sheet aluminum act cradle surgical tubing tank Epoxy place necessary filled tank has smooth resting place tiniest speck sand etc will burst tankiust soon engine fired up Painting Sand entire plane #320 wetor-dry sandpaper Brush recommended undercoat particular brand epoxy paint going use Spullet painted K&B Super Poxy red Spullet II painted yellow sure paint exposed inside fuselage fuel can get Let paint cure before installing elevator sure elevator will work up down binding before end hinge wire epoxied place Engine/prop/fuel As probably aware October 1980111 improved last longer under high stress conditions ATTENTION ERS Epoxy Glass Cowl NOSEN HOSTETLER PICA BALSA USA PLATF- CONCEPT FLEET SID MORGAN- RCM T CRAFT BYRON/SHEBER PITFS FOLKER D7 BOEING P-26&F4-B4 -GEE BEE MODY KRAFT SUPER FLY A&A SCALE AND OTHERS Send S ASE Complete List T&D FIBERGLASS SPECIALTIES 30925 Block Garden City MI 48135 Phi 313 421 6358 Tee Dee 049s run same recommend start off stock engine fly plane few times become familiar flying characteristics engines used Spullet set up left-hand crankshaft test flights Cox 4-4 left-hand prop prop used Cox ready-to-fly WW biplanes Later single-blade props tried hand-carved wood prop single blade 49 dia x 45 pitch used set record Jim Wade excellent articleEagle I published May 1976 issue Model Aviation article has plans constructing single-blade prop used set Senior Speed record 10827 mph also has some very helpful hints Tee Dee 049 set up addition Wades article would highly recommend get touch Gene Hempel P&G Metal Shop price chromed crankshaft definitely worth effort See address end article record-setting flight Spullet using venturi hole of150 dia following fuel mix 65% nitromethane 10% castor oil 8% synthetic oil Paraplex 17% propylene oxide stock 1702 Cox glow head head gasket also used shaved head will add some power always reliable suggest staying standard heads until getting consistent flights Sources various parts dealer may have stock speed pan Cox Hobbies 1505 E Warner Ave Santa Ana CA 92702 speed shell fiberglass John Newton 2154 Los Padres Rowland Heights CA 91745 Hardware packet Spullet Kirn-Kraft PO Box 785 Anaheim CA 92805 Chromed shaft fitted crankcase P&G Metal Shop 301 N Yale Dr Garland TX 75042 Reworked Tee Dee 049 engines 2-line bellcrank lines etc Kustom Kraftsmanship PO Box 2699 Laguna Hills CA 92653 CL Aerobatics/Paul Continued page 36 add bulkheads plywood doublers method will ensure engine mounting surface flat will put stress bearer causing annoying cracks later after 18-point finish has dried Also using method will enable get good tank fit having grapple fuselage sides Before gluing plywood doublers pencil several lines running lengthwise both sides doubler help line up fuselage sides wing later gluing fuselage onto wing found much better make cutouts wing bottom side fuselage Its just easier lay fuselage down over wing try block up fuselage bottom first put fuselage wing have top block tack-glued onto fuselage fuselage unbowed prevents big gaps later try put blocks back top bottom fuselage comes hollowing blocks can give no star tricksmy last plane has about five places went through block wing tip Ive tried electric light flashlights pins fluorescent lights detectors stetho scopes etc still go through wood guess best advice go slowly carefully Im certain everyone knows trick taping piece sandpaper onto top fuselage running canopy over trim final shape before insetting wood works Also someone told long time ago might have Jim Silhavy Bob Lampione ghosts world Precision Aerobatics past after completing plane make good pinhole very rear canopywhich will allow canopy alr breathe wont get condensa tion its hot outside have done planes time works think its good idea lay coat epoxy fiberglass cloth engine bearers down around under engine compartment help eliminate fuel soaking help keep front end together higli-zippity- zip engines have now building cowlings try construct side cowling close enough engine helps keep fuel tubing filter moving possibly coming loose flight Actually side cowling just touches fuel filter very difficult fuel line slide off spray bar just safety measure can built some designs cowlings latest airplane has full plywood ring nose cowling slips behind ring first time Ive used full plywood ring like lot betterits nice looking will probably keep front end held together cowling fits information stunt PAMPA write Wynn Paul 1640 Maywick Dr Lexington KY 40504 CL Carrier/Perry Continued page 37 what limited beginning engine consistently outperforms other mass-produced engines custom-made plain-bearing conversions well engine Supertigre ST 35 RC engine currently produced flat-top piston Perry-ported design time baffled piston version also avail able flat-top Combat type Profile Carrier engines readily avail able hobby shops discount houses Combat fliers have few box used engines kits suitable Profile Carrier Almost 35-class profile model under 44-in span qualifies some better others 10-point scale bonus makes replica model desirable GS Products Bearcat Corsair Skyraider very good models have out production some time hear turning up hobby shop occasionally 112 Model Aviation WANTED Display Purposes Flying Lady U Restaurant needs purchase well detailed Precision Scale model Ford 5-AT Tn- motor 6 7 wingspan required Send details & photos Irv Perch % Hill Country Inc PO Box 999 Morgan Hill CA 95037 Phone 408 779-4136
Edition: Model Aviation - 1980/10
Page Numbers: 30, 31, 32, 33, 111, 112
This daughter/father team used several years experience Speed competition five months specific effort set Senior 1/2A Speed record give us good look inside designing superior model getting what want its ideal Speed starter anyone U Mary Kay Kim & Dale Kim takes teamwork set Speed record Kim teamMary builder pilot dad Dale Spullet designer engine man Dale top Speed flier 25 years ago 1 q 30 Model Aviation MARY KAY Little did know first started competing contests would ever hold national AMA Speed record thought never occurred until last year junior high school Up until time compet ing just fun started flying model airplanes using MonoLine control eight years old Two-line flying started about year later first Nats 1971 Glenview IL lucky enough place 4th Junior Profile Proto Remember days contestants event lucky get flight attempts before time limit end day 1973 Oshkosh WI dad entered Proto Speed Open team placed first placed 5th Junior AA Profile 75 Nats still wasnt serious business setting record 1977 tried get serious Speed still wasnt fast enough beat certain Bussell Nats year year later decided really work go national record Senior Speed Spullet derived faster speeding bullet born December 1978 soon ready testing weekend dedicated purpose After flying Spullet few times getting feel ready get serious business making go fast tested propellers using different flight After knew props best competition started testing Out different engine-prop combinations different types weather got up 10001 mph good fuel certain record would set right weather condi tions fuel engine-prop combination ready try out Spullet official contest came May 6 1979 AA meet Santa Ana CA sky morning overcast cool first flight 95 mph wasnt exactly what looking plane beat 102 mph barrier get record few hours later tried again no luck After lunch sky began clear air getting warmer decided give try know ing deep down time Spullet would come through Because practice pylon always knew about fast plane moving time really going flight over congratulated secretly Dad also timing own informa tion said done Back official table timers calculating official time 10813 mph Now time support ing flight required records AMA rules hoped good clocking first attempt nervousness would disappear first try Spullet come through againthe time 10406 10813 official About week later started build backup plane Nats Lincoln NE wasnt finished time hoped nothing major would happen Spullet competing day AA Speed partly cloudy morning too windy forecast rain decided put flight before weather got worse first flight 10313 mph also best flight good enough first place still within 5 mph record Spullet II finished late October contest coming up December wanted see Spullet II few minor modifications original could break own record Again weekends practice experimentation began looked Spullet Spullet II nearly same performance first contest entered Van Nuys CA Spullet II choice fly officially Spullet backup Spullet II turned 10710 mph its first official flight 99% record Spullet proved design reliability looking Speed plane nearly practice flights takeoff wrist pylon prevents whipping up speed like everyone else does way able precisely consistently evaluate change time prop fuel etc Spullets design bit different Speed planes number respects Spullet sturdy plane about twice size conven tional Speed plane flies excellently wind because its extra weight 7 oz cross between Proto Rat Racer Incorporating best features both plus little extrathat being cowl design control system Mono-Line used instead torque unit front wheel tail skid outboard wing skid usedinstead dolly troublefree takeoffswhich encourage practice flying An interesting sidelight learn whip landings avoid nicking best props wearing down skids Spullet incorporates certain design features increase reliability provide added conven iences pressurized fuel system provisions outside refueling utilized consistent engine runs quicker refueling during test flights full Cox magnesium speed pan now again available top half fiberglass speed shell bottom An inverted engine used two reasons 1 shorten single landing gear wire less drag 2 hand-starting pressurized tank case surgical tubing tank less danger flooding engine since fuel will drip down venturi rather engine also set up can handstarted dependence electric starters uses left-hand propeller instead right-hand because torque plane cant come towards flierwith left-hand took about Phntoa Taylor Collins hour day three weeks construct plane designer himself Dad will explain detailed construction techniques DALE Construction Since wing tail must fitted fuselage make first October 1980 31 Neatness counts remote needle valve assembly permits easier cowling around front engine also keepsyouradjusting fingers awayfrom prop NotetheT-fitting foreasy fill bladdertank tank darker-colored segment surgical tubing upperspeed pan can just barely make out modified screw poking through side pan fuel fillers plug Note left-hand rotation prop Forward tie-down holes aft needle valve Several things note Single-bladed prop attached crankshaft 5-40 Allen screw recessed short brass spinner Also note front rear relief molding exhaust opening cowl very important top engine perform ance Opening front cowl venturinot engine cooling Only top fin glow head exposed cooling air dont have time necessary equipment can purchase hardware packet consisting formed elevator horn hinges landing gear wire etc Kirn-Kraft Write further details Any three types control systems can used Spullet choice yours Spullet II used Stanzel Mono-Line unit no problem obtaining special 2-line belicrank Mono-Line-type line hookup Kustom Kraftsmanship carries complete line other items still few H&R torque units Stanzel Mono-Line units around Check local Speed fliers area sources Cox speed pan fuselage fiberglass can purchased separately See source listing end article Tail Assembly Ruddercut outline shape sand symmetrical airfoil section attach speed pan time Stab elevatorcut outline shape sand symmetrical airfoil section Cut elevator off epoxy elevator horn four hinge tubes 1/16 OD aluminum Epoxy other three hinge tubes stab Slide length 1/32 dia music wire through tubes hold alignment before securing stab elevator epoxy hinge pin place until after plane has painted Wing control system Cut wing outline shape establish leading trailing edge reference lines necessary wont carve twist wing panels Start marking point root chord center wing viewed front 1 / 16 up bottom make mark both wing tips exactly inthe center3/32 up bottom 3/32 down top Repeat procedure trailing edges Lay straight edge between marks center tip draw straight line between points lines give illusion dihedral wing viewed front rear However case What seeing lifting section center portion wing symmetrical section tips combination airfoil sections allows wing set 00 incidence still produce desired amount lift flight requir ing little up elevator trim Carve sand top airfoil sections first bottom side Drill 045 dia hole outboard tip wing skid Fit skid wire place install time Cut recess bottom wing tip weight epoxy place front portion inboard wing must cut off hollowed outpassageway control unit flying line either Stanzel Speed-Master control unit H&R torque unit After control unit has o 23456 1/4 OZ LEAD TBOARD SKID PINCH OFF TUBE REMOTE NEEDLE VALVEI/2A MONO-LINE OUTSIDE TANK FIL 045 DIA MUSIC WIRE 0 STAB LIZ ER / 16 PLYWOOD SECTION A-A SECTION B-B 2 LINE BELLCRAN WITH MONO-LINE BUTTONS 000 LANDING DEAR 1/16 DIA MUSIC WIRE CDX SPEED PANSHELL1/16 PLYWOOD COWL BLODK 1/16 PLEX3LASS~ TEE DEE 049LA ______________________OPPONALI5/32 OD ALUM TUBE DESt3NEDBY DALE KIRNVIOVALEDI INKED BY JIM WADE1 DIA WHEEL 3/B HARD BALSA AIRFOIL SECTIONS ELEVATOR HORN 045 DIA MUSC WIRE 32 Model Aviation Simple takeoff dolly consists permanent singlewheel main gear wingtip skid main gear wire securely mounted epoxy/glass bottom fiberglass cowling Co N w w w C, w -J Co -j ci z -J w N -J SPULLET installed cut off section 5/32 dia aluminum tubing squeeze slightly vice until has oval cross section Epoxy tube place shown plans back inside edge oval hole must perfect alignment center line Mono-Line unit isnt control action flight will smooth going use two-line bellcrank Mono-Line type line hookup cut two channels bottom side inboard wing line passageways Install two oval aluminum lead-out guides cover up channels strips 1/16 basswood Inlay strips approximately 1/32 After have epoxied place sand until flush bottom wing Speed Pan engine mounting holes Cox pan already drilled tapped 3-48 thread Tee Dee 049 engine However may have enlarge four holes crankcase proper alignment lefthand prop setup prefer run thrust line top view pointing approximately degree inboard three tie-down areas need drilled tapped 2-5 6 thread operation best accomplished aid fixture hold pan securely drilling holes An illustra tion suitable fixture shown instruction sheet comes speed pan Mark three locations use center punch before drilling drill depth drill After holes have tapped chamfer top hole Vs dia drill T fitting can installed next Cut bulkhead out Vs basswood fit just behind front tie-downs Epoxy T fitting top bulkhead epoxy bulkhead place pan Epoxy piece wood just behind engine has set epoxy remote needle valve assembly Make install outside filler tubing re tainer part can made out 2-56 machine screw stainless steel Drill clearance hole pan insert screw tighten pan 2-56 nut Wrap some copper wire around outer portion threads flow some solder will prevent filler tubing slipping off after tank has filled File off sharp edges after soldering Now bend front portion forward place some epoxy around nut cant rotate loose Cut slit near end pan tab bottom rudder Use Dremel Moto Tool cutting skid operation install rudder time Cut approximately 3/16 off rear end speed pan match length fiberglass shell Fuselage fiberglass shell particular shell designed Jim Wade has basic strength shape necessary good Speed plane However several additional con struction steps required before usable item Plan spending four five hours fitting parts sanding etc Start fitting hard balsa strips inside walls epoxy place necessary stiffness Cut Out install front tie-down blocks Mount engine pan remove glow head venturi needle valve assembly Place shell over pan/engine mark openings clear beam mounts crankcase Cut openings X-Acto saw fine teeth final fitting flat jewelers file Mark opening top cowl glow head Start hole aid Moto- Tool cutter within 1/32 correct size change over 100-grit sandpaper wrapped around 1 dia wood dowel will allow sneak up final fit Drill 1/16 dia hole behind glow head opening landing gear wire Roughen up sandpaper fiberglass area landing gear wire will installed Insert landing gear wire epoxy place Cut exhaust/cowl block outline shape Fit inside cowling epoxy place epoxy has set cut opening block clear cylinder Use same technique used cutting head opening cowl Cut exhaust openings next sure relieve area front behind Continued page 11] October 1980 33 Control choice three systems Stanzel Mono-Line H&R torque unit two-line belicrank having Mono-Line-type button connectors Kustom Kraftsmanship Spullets Stanzel Mono-Line unit completely enclosed inside fuselage wing flying line attaches button units end AMA rule book p 16 shows prepare line Heres startup Thumb pinches offfuel line needlevalve isopenedtotheapproximate setting engine starts prime thumb quickly releasedfuel gets carb RC Old-Timers/Mathews Continued page 29 lube rubber motors does splatter interior fuselage manner glycerin and-green soap-based lubes Using find can wind bit tums Sig contest rubber old-style lubes eliminat ing mess Chicken Egg San Diego Aeroneers SAM 41 newslettera reproduction inside wrapper 3sx24 AC spark plugs purchased miniature AC spark plug souvenir Century Progress ill interest know real spark plug etc interesting thing datethe Chicago Worlds Fair other name Century Progress held 1933 full three years before Bill Brown intro duced Brown Jr must presume souvenir spark plugs manufactured use early pro totype Browns Loutrells picked up bx some enterprising PR-type use Chicago Dee B Mathews 506 S Walnut Greensbug KS 67054 Spullet/Kirn Continued page 33 actual exhaust opening extremely impor tant proper exhaust scavenging Install cut-down venturi fuel collector ring onto engine Use MotoTool round-end cutter cut pocket venturi Cut front air opening shown plans photographs Mark locations wing stab openings Cut openings fit parts fuselage extremely careful both wing tail atO0 incidence leading trailing edge centerlines wing exactly /g down top figerglass shell Epoxy stab fuselage shell Now comes interesting part transferring three tie-down locations pan fuselage shell Mark vertical lines pencil sides speed pan exactly opposite centerline 2-56 holes Place fiberglass shell over speed pan hold together masking tape Transfer front two loca tions pencil line outside shell Remove tape continue lines underside fuselage shell Centers front two holes slightly under 3/16 outside walls rear tie-down loca tion can located inserting short headless section ofa2-56 machine screwapproximately 3/16 long pan until top threaded piece about 1/32 above surface Place fiberglass fuselage top pan press down hole location now indented plywood stab Two flats have cut shell just above front tie-down areas should e bottom fuselge Use flat cutter MotoTool operation Now drill three holes s dia fuselage Cut three pieces 8 OD aluminum Insert fuselage holes attach pan three round-head 2-56 x 2 screws fuselage sides line up svay around disassemble epoxy aluminum tubes place shell doesnt line up properly remove aluminum tubes open holes shell slightly round file until get proper alignment Epoxy tubes place hold fuselage pan three 256 screws until epoxy has set Cut slit fuselage shell 1/16 thick Plexiglass skid Fit epoxy skid place Cut openings shell remote needle valve outside fill tube last major work fuselage installing wing controls elevator pushrod made 045 dia music wire suggest making two pieces Overlap ends wrap copper wire Slide rods until get exactly correct length solder together front pushrod bellerank must installed bottom side wing before epoxying wing fuselage After wing installed fit s basswood piece top wing both sides fill spaces front rear airfoil section Epoxy place set sand until both pieces level across areas Sand away portion wing near trailplugs glow plug manufacturers employ organic fiber gaskets depend mechanical pressure sealing tend oxidize during engine operation subsequently leak GloBees permanent glass-tometal bond affords positive protection against plug seal blowouts lost compres sion resultant burned-up engines make best better Because nothing too good champion ship line winners fly GbBees Because GloBee plugs put sting engine Fusile GloBee producls now manulaclured available Twinn-K Inc Send 31 00 price list technical intormation GloBee Products Twinn-K Inc PO Box 31228 Indianapolis Indiana 46231 ing edge use MotoTool large diameter sanding drum fit thin sheet aluminum act cradle surgical tubing tank Epoxy place necessary filled tank has smooth resting place tiniest speck sand etc will burst tankiust soon engine fired up Painting Sand entire plane #320 wetor-dry sandpaper Brush recommended undercoat particular brand epoxy paint going use Spullet painted K&B Super Poxy red Spullet II painted yellow sure paint exposed inside fuselage fuel can get Let paint cure before installing elevator sure elevator will work up down binding before end hinge wire epoxied place Engine/prop/fuel As probably aware October 1980111 improved last longer under high stress conditions ATTENTION ERS Epoxy Glass Cowl NOSEN HOSTETLER PICA BALSA USA PLATF- CONCEPT FLEET SID MORGAN- RCM T CRAFT BYRON/SHEBER PITFS FOLKER D7 BOEING P-26&F4-B4 -GEE BEE MODY KRAFT SUPER FLY A&A SCALE AND OTHERS Send S ASE Complete List T&D FIBERGLASS SPECIALTIES 30925 Block Garden City MI 48135 Phi 313 421 6358 Tee Dee 049s run same recommend start off stock engine fly plane few times become familiar flying characteristics engines used Spullet set up left-hand crankshaft test flights Cox 4-4 left-hand prop prop used Cox ready-to-fly WW biplanes Later single-blade props tried hand-carved wood prop single blade 49 dia x 45 pitch used set record Jim Wade excellent articleEagle I published May 1976 issue Model Aviation article has plans constructing single-blade prop used set Senior Speed record 10827 mph also has some very helpful hints Tee Dee 049 set up addition Wades article would highly recommend get touch Gene Hempel P&G Metal Shop price chromed crankshaft definitely worth effort See address end article record-setting flight Spullet using venturi hole of150 dia following fuel mix 65% nitromethane 10% castor oil 8% synthetic oil Paraplex 17% propylene oxide stock 1702 Cox glow head head gasket also used shaved head will add some power always reliable suggest staying standard heads until getting consistent flights Sources various parts dealer may have stock speed pan Cox Hobbies 1505 E Warner Ave Santa Ana CA 92702 speed shell fiberglass John Newton 2154 Los Padres Rowland Heights CA 91745 Hardware packet Spullet Kirn-Kraft PO Box 785 Anaheim CA 92805 Chromed shaft fitted crankcase P&G Metal Shop 301 N Yale Dr Garland TX 75042 Reworked Tee Dee 049 engines 2-line bellcrank lines etc Kustom Kraftsmanship PO Box 2699 Laguna Hills CA 92653 CL Aerobatics/Paul Continued page 36 add bulkheads plywood doublers method will ensure engine mounting surface flat will put stress bearer causing annoying cracks later after 18-point finish has dried Also using method will enable get good tank fit having grapple fuselage sides Before gluing plywood doublers pencil several lines running lengthwise both sides doubler help line up fuselage sides wing later gluing fuselage onto wing found much better make cutouts wing bottom side fuselage Its just easier lay fuselage down over wing try block up fuselage bottom first put fuselage wing have top block tack-glued onto fuselage fuselage unbowed prevents big gaps later try put blocks back top bottom fuselage comes hollowing blocks can give no star tricksmy last plane has about five places went through block wing tip Ive tried electric light flashlights pins fluorescent lights detectors stetho scopes etc still go through wood guess best advice go slowly carefully Im certain everyone knows trick taping piece sandpaper onto top fuselage running canopy over trim final shape before insetting wood works Also someone told long time ago might have Jim Silhavy Bob Lampione ghosts world Precision Aerobatics past after completing plane make good pinhole very rear canopywhich will allow canopy alr breathe wont get condensa tion its hot outside have done planes time works think its good idea lay coat epoxy fiberglass cloth engine bearers down around under engine compartment help eliminate fuel soaking help keep front end together higli-zippity- zip engines have now building cowlings try construct side cowling close enough engine helps keep fuel tubing filter moving possibly coming loose flight Actually side cowling just touches fuel filter very difficult fuel line slide off spray bar just safety measure can built some designs cowlings latest airplane has full plywood ring nose cowling slips behind ring first time Ive used full plywood ring like lot betterits nice looking will probably keep front end held together cowling fits information stunt PAMPA write Wynn Paul 1640 Maywick Dr Lexington KY 40504 CL Carrier/Perry Continued page 37 what limited beginning engine consistently outperforms other mass-produced engines custom-made plain-bearing conversions well engine Supertigre ST 35 RC engine currently produced flat-top piston Perry-ported design time baffled piston version also avail able flat-top Combat type Profile Carrier engines readily avail able hobby shops discount houses Combat fliers have few box used engines kits suitable Profile Carrier Almost 35-class profile model under 44-in span qualifies some better others 10-point scale bonus makes replica model desirable GS Products Bearcat Corsair Skyraider very good models have out production some time hear turning up hobby shop occasionally 112 Model Aviation WANTED Display Purposes Flying Lady U Restaurant needs purchase well detailed Precision Scale model Ford 5-AT Tn- motor 6 7 wingspan required Send details & photos Irv Perch % Hill Country Inc PO Box 999 Morgan Hill CA 95037 Phone 408 779-4136
Edition: Model Aviation - 1980/10
Page Numbers: 30, 31, 32, 33, 111, 112
This daughter/father team used several years experience Speed competition five months specific effort set Senior 1/2A Speed record give us good look inside designing superior model getting what want its ideal Speed starter anyone U Mary Kay Kim & Dale Kim takes teamwork set Speed record Kim teamMary builder pilot dad Dale Spullet designer engine man Dale top Speed flier 25 years ago 1 q 30 Model Aviation MARY KAY Little did know first started competing contests would ever hold national AMA Speed record thought never occurred until last year junior high school Up until time compet ing just fun started flying model airplanes using MonoLine control eight years old Two-line flying started about year later first Nats 1971 Glenview IL lucky enough place 4th Junior Profile Proto Remember days contestants event lucky get flight attempts before time limit end day 1973 Oshkosh WI dad entered Proto Speed Open team placed first placed 5th Junior AA Profile 75 Nats still wasnt serious business setting record 1977 tried get serious Speed still wasnt fast enough beat certain Bussell Nats year year later decided really work go national record Senior Speed Spullet derived faster speeding bullet born December 1978 soon ready testing weekend dedicated purpose After flying Spullet few times getting feel ready get serious business making go fast tested propellers using different flight After knew props best competition started testing Out different engine-prop combinations different types weather got up 10001 mph good fuel certain record would set right weather condi tions fuel engine-prop combination ready try out Spullet official contest came May 6 1979 AA meet Santa Ana CA sky morning overcast cool first flight 95 mph wasnt exactly what looking plane beat 102 mph barrier get record few hours later tried again no luck After lunch sky began clear air getting warmer decided give try know ing deep down time Spullet would come through Because practice pylon always knew about fast plane moving time really going flight over congratulated secretly Dad also timing own informa tion said done Back official table timers calculating official time 10813 mph Now time support ing flight required records AMA rules hoped good clocking first attempt nervousness would disappear first try Spullet come through againthe time 10406 10813 official About week later started build backup plane Nats Lincoln NE wasnt finished time hoped nothing major would happen Spullet competing day AA Speed partly cloudy morning too windy forecast rain decided put flight before weather got worse first flight 10313 mph also best flight good enough first place still within 5 mph record Spullet II finished late October contest coming up December wanted see Spullet II few minor modifications original could break own record Again weekends practice experimentation began looked Spullet Spullet II nearly same performance first contest entered Van Nuys CA Spullet II choice fly officially Spullet backup Spullet II turned 10710 mph its first official flight 99% record Spullet proved design reliability looking Speed plane nearly practice flights takeoff wrist pylon prevents whipping up speed like everyone else does way able precisely consistently evaluate change time prop fuel etc Spullets design bit different Speed planes number respects Spullet sturdy plane about twice size conven tional Speed plane flies excellently wind because its extra weight 7 oz cross between Proto Rat Racer Incorporating best features both plus little extrathat being cowl design control system Mono-Line used instead torque unit front wheel tail skid outboard wing skid usedinstead dolly troublefree takeoffswhich encourage practice flying An interesting sidelight learn whip landings avoid nicking best props wearing down skids Spullet incorporates certain design features increase reliability provide added conven iences pressurized fuel system provisions outside refueling utilized consistent engine runs quicker refueling during test flights full Cox magnesium speed pan now again available top half fiberglass speed shell bottom An inverted engine used two reasons 1 shorten single landing gear wire less drag 2 hand-starting pressurized tank case surgical tubing tank less danger flooding engine since fuel will drip down venturi rather engine also set up can handstarted dependence electric starters uses left-hand propeller instead right-hand because torque plane cant come towards flierwith left-hand took about Phntoa Taylor Collins hour day three weeks construct plane designer himself Dad will explain detailed construction techniques DALE Construction Since wing tail must fitted fuselage make first October 1980 31 Neatness counts remote needle valve assembly permits easier cowling around front engine also keepsyouradjusting fingers awayfrom prop NotetheT-fitting foreasy fill bladdertank tank darker-colored segment surgical tubing upperspeed pan can just barely make out modified screw poking through side pan fuel fillers plug Note left-hand rotation prop Forward tie-down holes aft needle valve Several things note Single-bladed prop attached crankshaft 5-40 Allen screw recessed short brass spinner Also note front rear relief molding exhaust opening cowl very important top engine perform ance Opening front cowl venturinot engine cooling Only top fin glow head exposed cooling air dont have time necessary equipment can purchase hardware packet consisting formed elevator horn hinges landing gear wire etc Kirn-Kraft Write further details Any three types control systems can used Spullet choice yours Spullet II used Stanzel Mono-Line unit no problem obtaining special 2-line belicrank Mono-Line-type line hookup Kustom Kraftsmanship carries complete line other items still few H&R torque units Stanzel Mono-Line units around Check local Speed fliers area sources Cox speed pan fuselage fiberglass can purchased separately See source listing end article Tail Assembly Ruddercut outline shape sand symmetrical airfoil section attach speed pan time Stab elevatorcut outline shape sand symmetrical airfoil section Cut elevator off epoxy elevator horn four hinge tubes 1/16 OD aluminum Epoxy other three hinge tubes stab Slide length 1/32 dia music wire through tubes hold alignment before securing stab elevator epoxy hinge pin place until after plane has painted Wing control system Cut wing outline shape establish leading trailing edge reference lines necessary wont carve twist wing panels Start marking point root chord center wing viewed front 1 / 16 up bottom make mark both wing tips exactly inthe center3/32 up bottom 3/32 down top Repeat procedure trailing edges Lay straight edge between marks center tip draw straight line between points lines give illusion dihedral wing viewed front rear However case What seeing lifting section center portion wing symmetrical section tips combination airfoil sections allows wing set 00 incidence still produce desired amount lift flight requir ing little up elevator trim Carve sand top airfoil sections first bottom side Drill 045 dia hole outboard tip wing skid Fit skid wire place install time Cut recess bottom wing tip weight epoxy place front portion inboard wing must cut off hollowed outpassageway control unit flying line either Stanzel Speed-Master control unit H&R torque unit After control unit has o 23456 1/4 OZ LEAD TBOARD SKID PINCH OFF TUBE REMOTE NEEDLE VALVEI/2A MONO-LINE OUTSIDE TANK FIL 045 DIA MUSIC WIRE 0 STAB LIZ ER / 16 PLYWOOD SECTION A-A SECTION B-B 2 LINE BELLCRAN WITH MONO-LINE BUTTONS 000 LANDING DEAR 1/16 DIA MUSIC WIRE CDX SPEED PANSHELL1/16 PLYWOOD COWL BLODK 1/16 PLEX3LASS~ TEE DEE 049LA ______________________OPPONALI5/32 OD ALUM TUBE DESt3NEDBY DALE KIRNVIOVALEDI INKED BY JIM WADE1 DIA WHEEL 3/B HARD BALSA AIRFOIL SECTIONS ELEVATOR HORN 045 DIA MUSC WIRE 32 Model Aviation Simple takeoff dolly consists permanent singlewheel main gear wingtip skid main gear wire securely mounted epoxy/glass bottom fiberglass cowling Co N w w w C, w -J Co -j ci z -J w N -J SPULLET installed cut off section 5/32 dia aluminum tubing squeeze slightly vice until has oval cross section Epoxy tube place shown plans back inside edge oval hole must perfect alignment center line Mono-Line unit isnt control action flight will smooth going use two-line bellcrank Mono-Line type line hookup cut two channels bottom side inboard wing line passageways Install two oval aluminum lead-out guides cover up channels strips 1/16 basswood Inlay strips approximately 1/32 After have epoxied place sand until flush bottom wing Speed Pan engine mounting holes Cox pan already drilled tapped 3-48 thread Tee Dee 049 engine However may have enlarge four holes crankcase proper alignment lefthand prop setup prefer run thrust line top view pointing approximately degree inboard three tie-down areas need drilled tapped 2-5 6 thread operation best accomplished aid fixture hold pan securely drilling holes An illustra tion suitable fixture shown instruction sheet comes speed pan Mark three locations use center punch before drilling drill depth drill After holes have tapped chamfer top hole Vs dia drill T fitting can installed next Cut bulkhead out Vs basswood fit just behind front tie-downs Epoxy T fitting top bulkhead epoxy bulkhead place pan Epoxy piece wood just behind engine has set epoxy remote needle valve assembly Make install outside filler tubing re tainer part can made out 2-56 machine screw stainless steel Drill clearance hole pan insert screw tighten pan 2-56 nut Wrap some copper wire around outer portion threads flow some solder will prevent filler tubing slipping off after tank has filled File off sharp edges after soldering Now bend front portion forward place some epoxy around nut cant rotate loose Cut slit near end pan tab bottom rudder Use Dremel Moto Tool cutting skid operation install rudder time Cut approximately 3/16 off rear end speed pan match length fiberglass shell Fuselage fiberglass shell particular shell designed Jim Wade has basic strength shape necessary good Speed plane However several additional con struction steps required before usable item Plan spending four five hours fitting parts sanding etc Start fitting hard balsa strips inside walls epoxy place necessary stiffness Cut Out install front tie-down blocks Mount engine pan remove glow head venturi needle valve assembly Place shell over pan/engine mark openings clear beam mounts crankcase Cut openings X-Acto saw fine teeth final fitting flat jewelers file Mark opening top cowl glow head Start hole aid Moto- Tool cutter within 1/32 correct size change over 100-grit sandpaper wrapped around 1 dia wood dowel will allow sneak up final fit Drill 1/16 dia hole behind glow head opening landing gear wire Roughen up sandpaper fiberglass area landing gear wire will installed Insert landing gear wire epoxy place Cut exhaust/cowl block outline shape Fit inside cowling epoxy place epoxy has set cut opening block clear cylinder Use same technique used cutting head opening cowl Cut exhaust openings next sure relieve area front behind Continued page 11] October 1980 33 Control choice three systems Stanzel Mono-Line H&R torque unit two-line belicrank having Mono-Line-type button connectors Kustom Kraftsmanship Spullets Stanzel Mono-Line unit completely enclosed inside fuselage wing flying line attaches button units end AMA rule book p 16 shows prepare line Heres startup Thumb pinches offfuel line needlevalve isopenedtotheapproximate setting engine starts prime thumb quickly releasedfuel gets carb RC Old-Timers/Mathews Continued page 29 lube rubber motors does splatter interior fuselage manner glycerin and-green soap-based lubes Using find can wind bit tums Sig contest rubber old-style lubes eliminat ing mess Chicken Egg San Diego Aeroneers SAM 41 newslettera reproduction inside wrapper 3sx24 AC spark plugs purchased miniature AC spark plug souvenir Century Progress ill interest know real spark plug etc interesting thing datethe Chicago Worlds Fair other name Century Progress held 1933 full three years before Bill Brown intro duced Brown Jr must presume souvenir spark plugs manufactured use early pro totype Browns Loutrells picked up bx some enterprising PR-type use Chicago Dee B Mathews 506 S Walnut Greensbug KS 67054 Spullet/Kirn Continued page 33 actual exhaust opening extremely impor tant proper exhaust scavenging Install cut-down venturi fuel collector ring onto engine Use MotoTool round-end cutter cut pocket venturi Cut front air opening shown plans photographs Mark locations wing stab openings Cut openings fit parts fuselage extremely careful both wing tail atO0 incidence leading trailing edge centerlines wing exactly /g down top figerglass shell Epoxy stab fuselage shell Now comes interesting part transferring three tie-down locations pan fuselage shell Mark vertical lines pencil sides speed pan exactly opposite centerline 2-56 holes Place fiberglass shell over speed pan hold together masking tape Transfer front two loca tions pencil line outside shell Remove tape continue lines underside fuselage shell Centers front two holes slightly under 3/16 outside walls rear tie-down loca tion can located inserting short headless section ofa2-56 machine screwapproximately 3/16 long pan until top threaded piece about 1/32 above surface Place fiberglass fuselage top pan press down hole location now indented plywood stab Two flats have cut shell just above front tie-down areas should e bottom fuselge Use flat cutter MotoTool operation Now drill three holes s dia fuselage Cut three pieces 8 OD aluminum Insert fuselage holes attach pan three round-head 2-56 x 2 screws fuselage sides line up svay around disassemble epoxy aluminum tubes place shell doesnt line up properly remove aluminum tubes open holes shell slightly round file until get proper alignment Epoxy tubes place hold fuselage pan three 256 screws until epoxy has set Cut slit fuselage shell 1/16 thick Plexiglass skid Fit epoxy skid place Cut openings shell remote needle valve outside fill tube last major work fuselage installing wing controls elevator pushrod made 045 dia music wire suggest making two pieces Overlap ends wrap copper wire Slide rods until get exactly correct length solder together front pushrod bellerank must installed bottom side wing before epoxying wing fuselage After wing installed fit s basswood piece top wing both sides fill spaces front rear airfoil section Epoxy place set sand until both pieces level across areas Sand away portion wing near trailplugs glow plug manufacturers employ organic fiber gaskets depend mechanical pressure sealing tend oxidize during engine operation subsequently leak GloBees permanent glass-tometal bond affords positive protection against plug seal blowouts lost compres sion resultant burned-up engines make best better Because nothing too good champion ship line winners fly GbBees Because GloBee plugs put sting engine Fusile GloBee producls now manulaclured available Twinn-K Inc Send 31 00 price list technical intormation GloBee Products Twinn-K Inc PO Box 31228 Indianapolis Indiana 46231 ing edge use MotoTool large diameter sanding drum fit thin sheet aluminum act cradle surgical tubing tank Epoxy place necessary filled tank has smooth resting place tiniest speck sand etc will burst tankiust soon engine fired up Painting Sand entire plane #320 wetor-dry sandpaper Brush recommended undercoat particular brand epoxy paint going use Spullet painted K&B Super Poxy red Spullet II painted yellow sure paint exposed inside fuselage fuel can get Let paint cure before installing elevator sure elevator will work up down binding before end hinge wire epoxied place Engine/prop/fuel As probably aware October 1980111 improved last longer under high stress conditions ATTENTION ERS Epoxy Glass Cowl NOSEN HOSTETLER PICA BALSA USA PLATF- CONCEPT FLEET SID MORGAN- RCM T CRAFT BYRON/SHEBER PITFS FOLKER D7 BOEING P-26&F4-B4 -GEE BEE MODY KRAFT SUPER FLY A&A SCALE AND OTHERS Send S ASE Complete List T&D FIBERGLASS SPECIALTIES 30925 Block Garden City MI 48135 Phi 313 421 6358 Tee Dee 049s run same recommend start off stock engine fly plane few times become familiar flying characteristics engines used Spullet set up left-hand crankshaft test flights Cox 4-4 left-hand prop prop used Cox ready-to-fly WW biplanes Later single-blade props tried hand-carved wood prop single blade 49 dia x 45 pitch used set record Jim Wade excellent articleEagle I published May 1976 issue Model Aviation article has plans constructing single-blade prop used set Senior Speed record 10827 mph also has some very helpful hints Tee Dee 049 set up addition Wades article would highly recommend get touch Gene Hempel P&G Metal Shop price chromed crankshaft definitely worth effort See address end article record-setting flight Spullet using venturi hole of150 dia following fuel mix 65% nitromethane 10% castor oil 8% synthetic oil Paraplex 17% propylene oxide stock 1702 Cox glow head head gasket also used shaved head will add some power always reliable suggest staying standard heads until getting consistent flights Sources various parts dealer may have stock speed pan Cox Hobbies 1505 E Warner Ave Santa Ana CA 92702 speed shell fiberglass John Newton 2154 Los Padres Rowland Heights CA 91745 Hardware packet Spullet Kirn-Kraft PO Box 785 Anaheim CA 92805 Chromed shaft fitted crankcase P&G Metal Shop 301 N Yale Dr Garland TX 75042 Reworked Tee Dee 049 engines 2-line bellcrank lines etc Kustom Kraftsmanship PO Box 2699 Laguna Hills CA 92653 CL Aerobatics/Paul Continued page 36 add bulkheads plywood doublers method will ensure engine mounting surface flat will put stress bearer causing annoying cracks later after 18-point finish has dried Also using method will enable get good tank fit having grapple fuselage sides Before gluing plywood doublers pencil several lines running lengthwise both sides doubler help line up fuselage sides wing later gluing fuselage onto wing found much better make cutouts wing bottom side fuselage Its just easier lay fuselage down over wing try block up fuselage bottom first put fuselage wing have top block tack-glued onto fuselage fuselage unbowed prevents big gaps later try put blocks back top bottom fuselage comes hollowing blocks can give no star tricksmy last plane has about five places went through block wing tip Ive tried electric light flashlights pins fluorescent lights detectors stetho scopes etc still go through wood guess best advice go slowly carefully Im certain everyone knows trick taping piece sandpaper onto top fuselage running canopy over trim final shape before insetting wood works Also someone told long time ago might have Jim Silhavy Bob Lampione ghosts world Precision Aerobatics past after completing plane make good pinhole very rear canopywhich will allow canopy alr breathe wont get condensa tion its hot outside have done planes time works think its good idea lay coat epoxy fiberglass cloth engine bearers down around under engine compartment help eliminate fuel soaking help keep front end together higli-zippity- zip engines have now building cowlings try construct side cowling close enough engine helps keep fuel tubing filter moving possibly coming loose flight Actually side cowling just touches fuel filter very difficult fuel line slide off spray bar just safety measure can built some designs cowlings latest airplane has full plywood ring nose cowling slips behind ring first time Ive used full plywood ring like lot betterits nice looking will probably keep front end held together cowling fits information stunt PAMPA write Wynn Paul 1640 Maywick Dr Lexington KY 40504 CL Carrier/Perry Continued page 37 what limited beginning engine consistently outperforms other mass-produced engines custom-made plain-bearing conversions well engine Supertigre ST 35 RC engine currently produced flat-top piston Perry-ported design time baffled piston version also avail able flat-top Combat type Profile Carrier engines readily avail able hobby shops discount houses Combat fliers have few box used engines kits suitable Profile Carrier Almost 35-class profile model under 44-in span qualifies some better others 10-point scale bonus makes replica model desirable GS Products Bearcat Corsair Skyraider very good models have out production some time hear turning up hobby shop occasionally 112 Model Aviation WANTED Display Purposes Flying Lady U Restaurant needs purchase well detailed Precision Scale model Ford 5-AT Tn- motor 6 7 wingspan required Send details & photos Irv Perch % Hill Country Inc PO Box 999 Morgan Hill CA 95037 Phone 408 779-4136