RADIO CONTROL PYLON RACING U 41 ITS NATS TIME will first year Nats Muncie National Miniature Pylon Racing Association NMPRA putting should good Wow QM 40 Records starting fall Rusty Van Baren has new QM 40 out called Vendetta Rusty flew airplane Bob Downey Memorial Race set AMA record 10575 bad first contest Next went Castle Air Base four airplanes flyingRichard Verano Dave Shadel Rustys son Matthew Rusty tells what happened Richard Verano first place Dave Shadel second place Saturday Matthew broke own AMA record 118 first heat Did mention time 11 laps eventually posted ten-lap time 113 Saturday finally 12737 Sunday Junior AMA record Dave Richard consistently posting sub-110 times QM Vendetta Sunday Richard posted 1 06s finally posted record 10495 information new airplane write Rusty 534 E Magnolia St Hanford CA 93230 ago Fog Tanner wrote article Skyloft great follow-up article last article went foam cores stack balsa wood package Skyloft set sheeted cores something racer needs what needs wing capable flight Its better yet wing straight will try finish wing started little remember isnt article build complete wing steps described article use 25-power optical visor must shaping trailing edge other precision sanding also use six-inch 4R machinists rule marked 1/8 1A6 2 I/ increments use scales Once have cores sheeted epoxy has reasonable cure time 36 48 hours can start finishing Using sharp X Acto knife trim away excess leading trailing edges leave approximately Y32 1/16 Next place sheeted wing panels back blocks place building board After realigning panels foam blocks place building board Sand 24-inch sanding block leading trailing edges use foam blocks sanding template keeps everything straight edges concentric centerline root next step add trailing edge trailing-edge stock always seems have three properties its warped too soft no two pieces alike quit using factory made trailing-edge stock years ago Now start out 36-inch-long piece half-inch-thick sixto-eight-pound BC-grain balsa measures 4/s 4 inches wide has aged approximately 1-2 years Let warp shelf airplane cut length wing am building inclusive wingtip plus couple inches mismeasurement allowance use scrap under plywood servo trays Make two marks middle sheetone end Take straightedge cut sheet two 21/i6 x 21/8-wide sheets sheet bows cut can sand edges straight bowed too much get another piecedont try straighten it didnt bow trim two inches have fixture sanding drum radial-arm saw doing need keep factory edge glue wing panel Once have sheet straight other warps dont matter Dont try pull warps outthey will return form strange-looking ailerons unique flight characteristics point people glue trailing-edge stock start sanding Take time check sheeted panels see fly airor trash can done easily quickly have fixture hold ball-point pen some distance off building board usually 2 inches distance important lines will same Take some scrap wing sheeting 1/ balsa wider distance pen building board edge must straight Use square hold sheet perpendicular building board straight edge down run pen across sheet Take straightedge cut line Make two have just made set parallel plates Pattern makers machinists use precision work Find marks ends wing panels ones used cutting cores align parallel plates Use three four T-pins hold place core has washout cut use leading-edge mark tip Place assembly perfectly flat building board within 004 end end shouldnt wobble check plate alignment plates right building board flat core probably warped prime candidate trash can core has washout cut measure trailing-edge mark building board write number down use /s scale Repeat process other panel noting washout numbers numbers nut same panel has problem get panel thats off hits trash can Foam balsa cheap time isnt tried cutting twisting panel changed airfoil choice yours Assuming have two good panels its time trailing edge Remove parallel plates now Trial-fit trailing-edge stock make sure will wood should Dont forget center wing should align back corner trailing edge centerline wing Set trailing-edge stock side get Gluit Run wavy bead down trailing edge wing panel Spread out medium-to-thin film Run thin bead down factory edge trailing-edge sheet spread out Place trailing-edge sheet wing panel Use light pressure move trailing-edge stock back forth approximately two inches align place pattern making called rub joint everything flat cant pull joint apart still use masking tape keep things sliding After glue has set trim off excess center wing Zona saw leave excess tip part wingtip three-piece Realign attach parallel plates same before except wings washout Use trailing-edge mark time Set panel building board check pen fixture top plate should pen point Run pen fixture down trailing edge root tip can Shark too now have straight 1A2 trailing edge technique taught master pattern makerthe October 1996 99 Junior Matthew VanBaren record-setting QM 40 Vendetta father Rustys design Matthew set record Castle AFB 100 Model Aviation 4SWRA LEGAL BARON P-51 Engine 60-120 511/2 Decals available Call info pack WHR0 HE PACE PLANE Engine High Perfomance 40 Span 48 56 AR Wheel Pant Available Roto Finish Stiletto Color Tile P-Si Sky Harbor R/C Fine Woods 1-800-279-2871 late Bill James difference Bill used outside scribe $30 dollars cheap import $70 used use pen Lyle Drew several other people probably everyone except have small hand planes actually work have number small hand planes everythingexcept work stuff made JA Pan Company didnt work spending time money planes wood rasps sanding stuff 80 griL excursion local auto-parts store found some real sandpaper Its resin-bonded 41 grit used working Bondo cars can see grit magnifying glasses After put some sanding block able destroy piece -inch scrap matter seconds minutes stuff cuts wood 80-grit grinds off have three sanding blocks made 3/4-inch 15-ply aircraft plywood measure 2 x 8 inches have 40-grit side 50-grit other another have 60-grit side 80-grit other third have 36-grit 36-grit like 40-grit except really removes wood hide hair fingers too place two-inch-wide making tape wing sheeting front trailing-edge stock keep tearing up wing sheeting airfoils use flatter bottom always shape side first shape top side hold bottom flat building board keep things straight Using 36-grit hold sanding block 450 angle start removing wood get line flatten block toward leading edge Watch gouges sandpaper leavingdont sand too close wing sheeting centerline will able sand out way end other next step 40-grit start getting closer centerline changing angle sanding block remove wood needed keeping mostly flat wing sheeting centerline Its starting look like wing nowa rough still wing Repeat process 50-grit 60-grit point trailing edge should sanded approximately /M inch pen line Using 80-grit sand pen line point have straight trailing edge Ive spent 15 minutes getting Flip panel over repeat process top side hold panel leading edge keep bottom trailing edge flat building board will have change angle move along airfoil get through should have perfectly straight trailing edge thats 2 inch wide good enough now Repeat other panel going join wings until next day store panels Place straight two-to-three-inch gap between keeps thin trailing edge warping Add wingtips leading edge SWRA LEGAL RJ P-51 Engine 60-1 20 Span 511/2 Decals available Call info pack shape airplane DeNight Cosmic Wind Shark etc building Sand dihedral wing panels youll ready join have fixture sanding drum radial arm saw sanding joint Before sand dihedral transfer centerline root leading edge draw leading-edge centerline using same method used trailing edge Next lay panels together top-side up find meet Note flip panels over place together Take piece two-inch-wide masking tape thats approximately six eight inches long Use cheap stuffit sticks better Stick half tape panel half other slack Place tape point panels met Now can pick up wing middle bottom Line up leading- trailing-edge marks check wing warps twists did other measurements correctly should looking perfectly straight wing doesnt have twist missed line little 1/rit can move wing center until panels right its off too much tA2 make some new marks go its off too much its trash time part up After satisfied turn wing over fold wing halves open use Gluit hold halves together Epoxy too heavy majority gluing surface foam anyway thing glue step is let us handle wing until get glass cloth Spread Gluit both panels spread film Flip panels over line up alignment marks support middle add another strip masking tape toward trailing edge Wipe off excess glue Check wing alignment again making sure way want After satisfied glue leading- trailingedge stock together cyanoacrylate CyA have perfect glue joint can CyA center section after glue has set Gluit will keep CyA melting foam support wing upside-down dihedral joint After glue has set 30 minutes two hours depending weather can handle wing next step glass wing put light six-ounce cloth first heavy cloth later use finishing epoxy Polyester tends warp thin trailing edges careful Bob Smith has excellent finishing resin 20-minute pot life E-Z Lam Aero Space gives 30- 60-minute pot life Before get out glass cloth block-sand wing 220-grit Get out cloth epoxy glass bottom wing use four pieces cloth side top bottom Make sure cut cloth oversize grain running tip-to-tip use epoxy its best lay cloth place brush epoxy through saturate cloth Using one-inch-wide brush start middie brush toward tip Brush epoxy toward leading trailing COMPETITION ACCESSORIES RACING WHEELS KLOTZ OIL SOLID CONTROL LINES THREE BRANDS OF GLOW PLUGS HARD-TO-FIND HARDWARE OLD TIMER SUPPLIES COILS CONDENSERS PLUGS SILK QUALITY DOPE BRUSHES 5 & 7 LOOP 114 GUM BANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HI TENSION LEADS 1/2A TEXACO PLAYBOY SR KIT Soft Rubber Backing Film Fabric Prevents SlippingStraight Edge Product No FOR 155 Product No FOR 156 Length 1 Meter 3936 inches Length 1 Foot FOURMOST PRODUCTS Price $1495 Price $695 Look other great products Fourmost nearest hobby dealer direct orders include $350 Shipping -4040 24th Avenue Forest Grove OR 97116 October 1996 101 TEE DEE & REED ENGINES 010S 020S 049S 051S 074S & 09S ALL CUSTOM AND STOCK PARTS ARE AVAILABLE INDIVIDUALLY J0ucing Pen Plug Pia Sern Revese pout R* WewI dci No messy adjustments Microprocessor accurate neutral No Jitter No Drift Neutral Sh/fts temperature changes i Furiproof Vibration proof Encapsulated space-age epoxy MAIL OR PHONE 619 728-4365 VISA IMC WELCOME NO COD MINIMUM ORDER SIOOO PLUS et yours TODAY oNLr $2995 LA TI-I ES Cmn.t Mills ls s Precision Instruments 7 REE CATALOG 2100-M Selma Rd Mocersa4 5133224552 800 OH 45505 R S Precision Inc Specializing 21 Years Business Precision Machining 5 Years making parts Prototype hobbier C N C Machining 138 Poinciana Pky Jig Boring chiaektowaga NY 14225 NC Fixtures call Quote custom Design Parts 716-684-8195 custom Tools Ph/Fax 716-686-0534 * Soft rubber backing holds straight edge place * Works great iron-on films well fiber glass cloth * Ends frustration wandering cuts lines * Both English Metric scales easy measurement * Comes convenient storage tube AR ONA MODEL AIRCRAJTERS PROUDLY ANNOUNCES New scale cockpit detail kits 1/3 version Price S2895 1/6 tbru 1/12 scales S1995 Order new full color 30 page catalog S500 sissds&b55 tkstrdsr Costajus photos md product info os eusrent md upcoming large seals modal kits aceessones nose art sad CU tm ss 5t harissd dsshbassd. Cockpit Detail Kits Scale ranges 1/12 1/3 Brass Acrylic Hardwood components order caill h AZ 602314-9937 Laser Cut Precision Illustrated Directiosts Outside AZ 800 319-7958 5OKZD WEZ3L KiTS UP TOtS INCH 00. MACDINE GUNS TO 113 SCALS ENGINK KITS UP TO 1/3 SCALE FITTINGS UARDWAXK TURNEUCKLES AND uucu ISOXE. VISA MC CHECKS OR MONEY ORDERS Arizona Model Alrerafters 9850 5 Gray Rd Scottsdale AZ 85260 edge line have cloth panel wetted get out squeegee use 52-cent deck playing cards Remove excess epoxy wet dry area dont glass cloth floats above wood wind up excess epoxy weight through weave will showing cloth will stuck wood will have minimum amount weight weave gets filled filler coat heavy cloth added After epoxy has cured eight 24 hours later trim off excess cloth carefully remove fuzz hard cloth Set wing building board very carefully block-sand trailing edge until pen line half gone totally gone will have trailing edge YM inch less wide choice yours Dust wing can glass top wing Cut out ailerons add torque rods align wing add hold-down dowels beyond scope article probably already know anyway other thing Ill mention landing-gear plate lay out plate going go cut away sheeting measured right back plate should basswood spars Holding landing-gear plate edge remove foam until plate recessed enough allow gear set flush wing After satisfied remove -inch-wide strip spars side other way wing sheeting Cut piece hard -inch balsa grain running vertically Trail-fit everything glue five-minute epoxy Now can glue landing-gear plate place glue leading edge basswood spars balsa step models have sustained some rough landings havent driven gear through wing yet came up after mild landing drove gear through wing After repairing wing eight-inch subspar adding balsa step gluing plate never again drove gear through wing Hopefully some techniques article will find helpful articles aimed newer racers still trying build straight wing experienced racers build six wings end up straight hope-andprayer method Some may saying crockI can cut twist wing probably can Just remember Ive built using techniques have driven 1200 miles unflown airplane second flight airplane first heat race Ive done four times backnp airplane real speed secret arent speed secrets dont help new guys wont anybody left hide anything except other already know what others doing get Fog Ill pass See next month Model Aviation
Edition: Model Aviation - 1996/10
Page Numbers: 99, 100, 101, 102
RADIO CONTROL PYLON RACING U 41 ITS NATS TIME will first year Nats Muncie National Miniature Pylon Racing Association NMPRA putting should good Wow QM 40 Records starting fall Rusty Van Baren has new QM 40 out called Vendetta Rusty flew airplane Bob Downey Memorial Race set AMA record 10575 bad first contest Next went Castle Air Base four airplanes flyingRichard Verano Dave Shadel Rustys son Matthew Rusty tells what happened Richard Verano first place Dave Shadel second place Saturday Matthew broke own AMA record 118 first heat Did mention time 11 laps eventually posted ten-lap time 113 Saturday finally 12737 Sunday Junior AMA record Dave Richard consistently posting sub-110 times QM Vendetta Sunday Richard posted 1 06s finally posted record 10495 information new airplane write Rusty 534 E Magnolia St Hanford CA 93230 ago Fog Tanner wrote article Skyloft great follow-up article last article went foam cores stack balsa wood package Skyloft set sheeted cores something racer needs what needs wing capable flight Its better yet wing straight will try finish wing started little remember isnt article build complete wing steps described article use 25-power optical visor must shaping trailing edge other precision sanding also use six-inch 4R machinists rule marked 1/8 1A6 2 I/ increments use scales Once have cores sheeted epoxy has reasonable cure time 36 48 hours can start finishing Using sharp X Acto knife trim away excess leading trailing edges leave approximately Y32 1/16 Next place sheeted wing panels back blocks place building board After realigning panels foam blocks place building board Sand 24-inch sanding block leading trailing edges use foam blocks sanding template keeps everything straight edges concentric centerline root next step add trailing edge trailing-edge stock always seems have three properties its warped too soft no two pieces alike quit using factory made trailing-edge stock years ago Now start out 36-inch-long piece half-inch-thick sixto-eight-pound BC-grain balsa measures 4/s 4 inches wide has aged approximately 1-2 years Let warp shelf airplane cut length wing am building inclusive wingtip plus couple inches mismeasurement allowance use scrap under plywood servo trays Make two marks middle sheetone end Take straightedge cut sheet two 21/i6 x 21/8-wide sheets sheet bows cut can sand edges straight bowed too much get another piecedont try straighten it didnt bow trim two inches have fixture sanding drum radial-arm saw doing need keep factory edge glue wing panel Once have sheet straight other warps dont matter Dont try pull warps outthey will return form strange-looking ailerons unique flight characteristics point people glue trailing-edge stock start sanding Take time check sheeted panels see fly airor trash can done easily quickly have fixture hold ball-point pen some distance off building board usually 2 inches distance important lines will same Take some scrap wing sheeting 1/ balsa wider distance pen building board edge must straight Use square hold sheet perpendicular building board straight edge down run pen across sheet Take straightedge cut line Make two have just made set parallel plates Pattern makers machinists use precision work Find marks ends wing panels ones used cutting cores align parallel plates Use three four T-pins hold place core has washout cut use leading-edge mark tip Place assembly perfectly flat building board within 004 end end shouldnt wobble check plate alignment plates right building board flat core probably warped prime candidate trash can core has washout cut measure trailing-edge mark building board write number down use /s scale Repeat process other panel noting washout numbers numbers nut same panel has problem get panel thats off hits trash can Foam balsa cheap time isnt tried cutting twisting panel changed airfoil choice yours Assuming have two good panels its time trailing edge Remove parallel plates now Trial-fit trailing-edge stock make sure will wood should Dont forget center wing should align back corner trailing edge centerline wing Set trailing-edge stock side get Gluit Run wavy bead down trailing edge wing panel Spread out medium-to-thin film Run thin bead down factory edge trailing-edge sheet spread out Place trailing-edge sheet wing panel Use light pressure move trailing-edge stock back forth approximately two inches align place pattern making called rub joint everything flat cant pull joint apart still use masking tape keep things sliding After glue has set trim off excess center wing Zona saw leave excess tip part wingtip three-piece Realign attach parallel plates same before except wings washout Use trailing-edge mark time Set panel building board check pen fixture top plate should pen point Run pen fixture down trailing edge root tip can Shark too now have straight 1A2 trailing edge technique taught master pattern makerthe October 1996 99 Junior Matthew VanBaren record-setting QM 40 Vendetta father Rustys design Matthew set record Castle AFB 100 Model Aviation 4SWRA LEGAL BARON P-51 Engine 60-120 511/2 Decals available Call info pack WHR0 HE PACE PLANE Engine High Perfomance 40 Span 48 56 AR Wheel Pant Available Roto Finish Stiletto Color Tile P-Si Sky Harbor R/C Fine Woods 1-800-279-2871 late Bill James difference Bill used outside scribe $30 dollars cheap import $70 used use pen Lyle Drew several other people probably everyone except have small hand planes actually work have number small hand planes everythingexcept work stuff made JA Pan Company didnt work spending time money planes wood rasps sanding stuff 80 griL excursion local auto-parts store found some real sandpaper Its resin-bonded 41 grit used working Bondo cars can see grit magnifying glasses After put some sanding block able destroy piece -inch scrap matter seconds minutes stuff cuts wood 80-grit grinds off have three sanding blocks made 3/4-inch 15-ply aircraft plywood measure 2 x 8 inches have 40-grit side 50-grit other another have 60-grit side 80-grit other third have 36-grit 36-grit like 40-grit except really removes wood hide hair fingers too place two-inch-wide making tape wing sheeting front trailing-edge stock keep tearing up wing sheeting airfoils use flatter bottom always shape side first shape top side hold bottom flat building board keep things straight Using 36-grit hold sanding block 450 angle start removing wood get line flatten block toward leading edge Watch gouges sandpaper leavingdont sand too close wing sheeting centerline will able sand out way end other next step 40-grit start getting closer centerline changing angle sanding block remove wood needed keeping mostly flat wing sheeting centerline Its starting look like wing nowa rough still wing Repeat process 50-grit 60-grit point trailing edge should sanded approximately /M inch pen line Using 80-grit sand pen line point have straight trailing edge Ive spent 15 minutes getting Flip panel over repeat process top side hold panel leading edge keep bottom trailing edge flat building board will have change angle move along airfoil get through should have perfectly straight trailing edge thats 2 inch wide good enough now Repeat other panel going join wings until next day store panels Place straight two-to-three-inch gap between keeps thin trailing edge warping Add wingtips leading edge SWRA LEGAL RJ P-51 Engine 60-1 20 Span 511/2 Decals available Call info pack shape airplane DeNight Cosmic Wind Shark etc building Sand dihedral wing panels youll ready join have fixture sanding drum radial arm saw sanding joint Before sand dihedral transfer centerline root leading edge draw leading-edge centerline using same method used trailing edge Next lay panels together top-side up find meet Note flip panels over place together Take piece two-inch-wide masking tape thats approximately six eight inches long Use cheap stuffit sticks better Stick half tape panel half other slack Place tape point panels met Now can pick up wing middle bottom Line up leading- trailing-edge marks check wing warps twists did other measurements correctly should looking perfectly straight wing doesnt have twist missed line little 1/rit can move wing center until panels right its off too much tA2 make some new marks go its off too much its trash time part up After satisfied turn wing over fold wing halves open use Gluit hold halves together Epoxy too heavy majority gluing surface foam anyway thing glue step is let us handle wing until get glass cloth Spread Gluit both panels spread film Flip panels over line up alignment marks support middle add another strip masking tape toward trailing edge Wipe off excess glue Check wing alignment again making sure way want After satisfied glue leading- trailingedge stock together cyanoacrylate CyA have perfect glue joint can CyA center section after glue has set Gluit will keep CyA melting foam support wing upside-down dihedral joint After glue has set 30 minutes two hours depending weather can handle wing next step glass wing put light six-ounce cloth first heavy cloth later use finishing epoxy Polyester tends warp thin trailing edges careful Bob Smith has excellent finishing resin 20-minute pot life E-Z Lam Aero Space gives 30- 60-minute pot life Before get out glass cloth block-sand wing 220-grit Get out cloth epoxy glass bottom wing use four pieces cloth side top bottom Make sure cut cloth oversize grain running tip-to-tip use epoxy its best lay cloth place brush epoxy through saturate cloth Using one-inch-wide brush start middie brush toward tip Brush epoxy toward leading trailing COMPETITION ACCESSORIES RACING WHEELS KLOTZ OIL SOLID CONTROL LINES THREE BRANDS OF GLOW PLUGS HARD-TO-FIND HARDWARE OLD TIMER SUPPLIES COILS CONDENSERS PLUGS SILK QUALITY DOPE BRUSHES 5 & 7 LOOP 114 GUM BANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HI TENSION LEADS 1/2A TEXACO PLAYBOY SR KIT Soft Rubber Backing Film Fabric Prevents SlippingStraight Edge Product No FOR 155 Product No FOR 156 Length 1 Meter 3936 inches Length 1 Foot FOURMOST PRODUCTS Price $1495 Price $695 Look other great products Fourmost nearest hobby dealer direct orders include $350 Shipping -4040 24th Avenue Forest Grove OR 97116 October 1996 101 TEE DEE & REED ENGINES 010S 020S 049S 051S 074S & 09S ALL CUSTOM AND STOCK PARTS ARE AVAILABLE INDIVIDUALLY J0ucing Pen Plug Pia Sern Revese pout R* WewI dci No messy adjustments Microprocessor accurate neutral No Jitter No Drift Neutral Sh/fts temperature changes i Furiproof Vibration proof Encapsulated space-age epoxy MAIL OR PHONE 619 728-4365 VISA IMC WELCOME NO COD MINIMUM ORDER SIOOO PLUS et yours TODAY oNLr $2995 LA TI-I ES Cmn.t Mills ls s Precision Instruments 7 REE CATALOG 2100-M Selma Rd Mocersa4 5133224552 800 OH 45505 R S Precision Inc Specializing 21 Years Business Precision Machining 5 Years making parts Prototype hobbier C N C Machining 138 Poinciana Pky Jig Boring chiaektowaga NY 14225 NC Fixtures call Quote custom Design Parts 716-684-8195 custom Tools Ph/Fax 716-686-0534 * Soft rubber backing holds straight edge place * Works great iron-on films well fiber glass cloth * Ends frustration wandering cuts lines * Both English Metric scales easy measurement * Comes convenient storage tube AR ONA MODEL AIRCRAJTERS PROUDLY ANNOUNCES New scale cockpit detail kits 1/3 version Price S2895 1/6 tbru 1/12 scales S1995 Order new full color 30 page catalog S500 sissds&b55 tkstrdsr Costajus photos md product info os eusrent md upcoming large seals modal kits aceessones nose art sad CU tm ss 5t harissd dsshbassd. Cockpit Detail Kits Scale ranges 1/12 1/3 Brass Acrylic Hardwood components order caill h AZ 602314-9937 Laser Cut Precision Illustrated Directiosts Outside AZ 800 319-7958 5OKZD WEZ3L KiTS UP TOtS INCH 00. MACDINE GUNS TO 113 SCALS ENGINK KITS UP TO 1/3 SCALE FITTINGS UARDWAXK TURNEUCKLES AND uucu ISOXE. VISA MC CHECKS OR MONEY ORDERS Arizona Model Alrerafters 9850 5 Gray Rd Scottsdale AZ 85260 edge line have cloth panel wetted get out squeegee use 52-cent deck playing cards Remove excess epoxy wet dry area dont glass cloth floats above wood wind up excess epoxy weight through weave will showing cloth will stuck wood will have minimum amount weight weave gets filled filler coat heavy cloth added After epoxy has cured eight 24 hours later trim off excess cloth carefully remove fuzz hard cloth Set wing building board very carefully block-sand trailing edge until pen line half gone totally gone will have trailing edge YM inch less wide choice yours Dust wing can glass top wing Cut out ailerons add torque rods align wing add hold-down dowels beyond scope article probably already know anyway other thing Ill mention landing-gear plate lay out plate going go cut away sheeting measured right back plate should basswood spars Holding landing-gear plate edge remove foam until plate recessed enough allow gear set flush wing After satisfied remove -inch-wide strip spars side other way wing sheeting Cut piece hard -inch balsa grain running vertically Trail-fit everything glue five-minute epoxy Now can glue landing-gear plate place glue leading edge basswood spars balsa step models have sustained some rough landings havent driven gear through wing yet came up after mild landing drove gear through wing After repairing wing eight-inch subspar adding balsa step gluing plate never again drove gear through wing Hopefully some techniques article will find helpful articles aimed newer racers still trying build straight wing experienced racers build six wings end up straight hope-andprayer method Some may saying crockI can cut twist wing probably can Just remember Ive built using techniques have driven 1200 miles unflown airplane second flight airplane first heat race Ive done four times backnp airplane real speed secret arent speed secrets dont help new guys wont anybody left hide anything except other already know what others doing get Fog Ill pass See next month Model Aviation
Edition: Model Aviation - 1996/10
Page Numbers: 99, 100, 101, 102
RADIO CONTROL PYLON RACING U 41 ITS NATS TIME will first year Nats Muncie National Miniature Pylon Racing Association NMPRA putting should good Wow QM 40 Records starting fall Rusty Van Baren has new QM 40 out called Vendetta Rusty flew airplane Bob Downey Memorial Race set AMA record 10575 bad first contest Next went Castle Air Base four airplanes flyingRichard Verano Dave Shadel Rustys son Matthew Rusty tells what happened Richard Verano first place Dave Shadel second place Saturday Matthew broke own AMA record 118 first heat Did mention time 11 laps eventually posted ten-lap time 113 Saturday finally 12737 Sunday Junior AMA record Dave Richard consistently posting sub-110 times QM Vendetta Sunday Richard posted 1 06s finally posted record 10495 information new airplane write Rusty 534 E Magnolia St Hanford CA 93230 ago Fog Tanner wrote article Skyloft great follow-up article last article went foam cores stack balsa wood package Skyloft set sheeted cores something racer needs what needs wing capable flight Its better yet wing straight will try finish wing started little remember isnt article build complete wing steps described article use 25-power optical visor must shaping trailing edge other precision sanding also use six-inch 4R machinists rule marked 1/8 1A6 2 I/ increments use scales Once have cores sheeted epoxy has reasonable cure time 36 48 hours can start finishing Using sharp X Acto knife trim away excess leading trailing edges leave approximately Y32 1/16 Next place sheeted wing panels back blocks place building board After realigning panels foam blocks place building board Sand 24-inch sanding block leading trailing edges use foam blocks sanding template keeps everything straight edges concentric centerline root next step add trailing edge trailing-edge stock always seems have three properties its warped too soft no two pieces alike quit using factory made trailing-edge stock years ago Now start out 36-inch-long piece half-inch-thick sixto-eight-pound BC-grain balsa measures 4/s 4 inches wide has aged approximately 1-2 years Let warp shelf airplane cut length wing am building inclusive wingtip plus couple inches mismeasurement allowance use scrap under plywood servo trays Make two marks middle sheetone end Take straightedge cut sheet two 21/i6 x 21/8-wide sheets sheet bows cut can sand edges straight bowed too much get another piecedont try straighten it didnt bow trim two inches have fixture sanding drum radial-arm saw doing need keep factory edge glue wing panel Once have sheet straight other warps dont matter Dont try pull warps outthey will return form strange-looking ailerons unique flight characteristics point people glue trailing-edge stock start sanding Take time check sheeted panels see fly airor trash can done easily quickly have fixture hold ball-point pen some distance off building board usually 2 inches distance important lines will same Take some scrap wing sheeting 1/ balsa wider distance pen building board edge must straight Use square hold sheet perpendicular building board straight edge down run pen across sheet Take straightedge cut line Make two have just made set parallel plates Pattern makers machinists use precision work Find marks ends wing panels ones used cutting cores align parallel plates Use three four T-pins hold place core has washout cut use leading-edge mark tip Place assembly perfectly flat building board within 004 end end shouldnt wobble check plate alignment plates right building board flat core probably warped prime candidate trash can core has washout cut measure trailing-edge mark building board write number down use /s scale Repeat process other panel noting washout numbers numbers nut same panel has problem get panel thats off hits trash can Foam balsa cheap time isnt tried cutting twisting panel changed airfoil choice yours Assuming have two good panels its time trailing edge Remove parallel plates now Trial-fit trailing-edge stock make sure will wood should Dont forget center wing should align back corner trailing edge centerline wing Set trailing-edge stock side get Gluit Run wavy bead down trailing edge wing panel Spread out medium-to-thin film Run thin bead down factory edge trailing-edge sheet spread out Place trailing-edge sheet wing panel Use light pressure move trailing-edge stock back forth approximately two inches align place pattern making called rub joint everything flat cant pull joint apart still use masking tape keep things sliding After glue has set trim off excess center wing Zona saw leave excess tip part wingtip three-piece Realign attach parallel plates same before except wings washout Use trailing-edge mark time Set panel building board check pen fixture top plate should pen point Run pen fixture down trailing edge root tip can Shark too now have straight 1A2 trailing edge technique taught master pattern makerthe October 1996 99 Junior Matthew VanBaren record-setting QM 40 Vendetta father Rustys design Matthew set record Castle AFB 100 Model Aviation 4SWRA LEGAL BARON P-51 Engine 60-120 511/2 Decals available Call info pack WHR0 HE PACE PLANE Engine High Perfomance 40 Span 48 56 AR Wheel Pant Available Roto Finish Stiletto Color Tile P-Si Sky Harbor R/C Fine Woods 1-800-279-2871 late Bill James difference Bill used outside scribe $30 dollars cheap import $70 used use pen Lyle Drew several other people probably everyone except have small hand planes actually work have number small hand planes everythingexcept work stuff made JA Pan Company didnt work spending time money planes wood rasps sanding stuff 80 griL excursion local auto-parts store found some real sandpaper Its resin-bonded 41 grit used working Bondo cars can see grit magnifying glasses After put some sanding block able destroy piece -inch scrap matter seconds minutes stuff cuts wood 80-grit grinds off have three sanding blocks made 3/4-inch 15-ply aircraft plywood measure 2 x 8 inches have 40-grit side 50-grit other another have 60-grit side 80-grit other third have 36-grit 36-grit like 40-grit except really removes wood hide hair fingers too place two-inch-wide making tape wing sheeting front trailing-edge stock keep tearing up wing sheeting airfoils use flatter bottom always shape side first shape top side hold bottom flat building board keep things straight Using 36-grit hold sanding block 450 angle start removing wood get line flatten block toward leading edge Watch gouges sandpaper leavingdont sand too close wing sheeting centerline will able sand out way end other next step 40-grit start getting closer centerline changing angle sanding block remove wood needed keeping mostly flat wing sheeting centerline Its starting look like wing nowa rough still wing Repeat process 50-grit 60-grit point trailing edge should sanded approximately /M inch pen line Using 80-grit sand pen line point have straight trailing edge Ive spent 15 minutes getting Flip panel over repeat process top side hold panel leading edge keep bottom trailing edge flat building board will have change angle move along airfoil get through should have perfectly straight trailing edge thats 2 inch wide good enough now Repeat other panel going join wings until next day store panels Place straight two-to-three-inch gap between keeps thin trailing edge warping Add wingtips leading edge SWRA LEGAL RJ P-51 Engine 60-1 20 Span 511/2 Decals available Call info pack shape airplane DeNight Cosmic Wind Shark etc building Sand dihedral wing panels youll ready join have fixture sanding drum radial arm saw sanding joint Before sand dihedral transfer centerline root leading edge draw leading-edge centerline using same method used trailing edge Next lay panels together top-side up find meet Note flip panels over place together Take piece two-inch-wide masking tape thats approximately six eight inches long Use cheap stuffit sticks better Stick half tape panel half other slack Place tape point panels met Now can pick up wing middle bottom Line up leading- trailing-edge marks check wing warps twists did other measurements correctly should looking perfectly straight wing doesnt have twist missed line little 1/rit can move wing center until panels right its off too much tA2 make some new marks go its off too much its trash time part up After satisfied turn wing over fold wing halves open use Gluit hold halves together Epoxy too heavy majority gluing surface foam anyway thing glue step is let us handle wing until get glass cloth Spread Gluit both panels spread film Flip panels over line up alignment marks support middle add another strip masking tape toward trailing edge Wipe off excess glue Check wing alignment again making sure way want After satisfied glue leading- trailingedge stock together cyanoacrylate CyA have perfect glue joint can CyA center section after glue has set Gluit will keep CyA melting foam support wing upside-down dihedral joint After glue has set 30 minutes two hours depending weather can handle wing next step glass wing put light six-ounce cloth first heavy cloth later use finishing epoxy Polyester tends warp thin trailing edges careful Bob Smith has excellent finishing resin 20-minute pot life E-Z Lam Aero Space gives 30- 60-minute pot life Before get out glass cloth block-sand wing 220-grit Get out cloth epoxy glass bottom wing use four pieces cloth side top bottom Make sure cut cloth oversize grain running tip-to-tip use epoxy its best lay cloth place brush epoxy through saturate cloth Using one-inch-wide brush start middie brush toward tip Brush epoxy toward leading trailing COMPETITION ACCESSORIES RACING WHEELS KLOTZ OIL SOLID CONTROL LINES THREE BRANDS OF GLOW PLUGS HARD-TO-FIND HARDWARE OLD TIMER SUPPLIES COILS CONDENSERS PLUGS SILK QUALITY DOPE BRUSHES 5 & 7 LOOP 114 GUM BANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HI TENSION LEADS 1/2A TEXACO PLAYBOY SR KIT Soft Rubber Backing Film Fabric Prevents SlippingStraight Edge Product No FOR 155 Product No FOR 156 Length 1 Meter 3936 inches Length 1 Foot FOURMOST PRODUCTS Price $1495 Price $695 Look other great products Fourmost nearest hobby dealer direct orders include $350 Shipping -4040 24th Avenue Forest Grove OR 97116 October 1996 101 TEE DEE & REED ENGINES 010S 020S 049S 051S 074S & 09S ALL CUSTOM AND STOCK PARTS ARE AVAILABLE INDIVIDUALLY J0ucing Pen Plug Pia Sern Revese pout R* WewI dci No messy adjustments Microprocessor accurate neutral No Jitter No Drift Neutral Sh/fts temperature changes i Furiproof Vibration proof Encapsulated space-age epoxy MAIL OR PHONE 619 728-4365 VISA IMC WELCOME NO COD MINIMUM ORDER SIOOO PLUS et yours TODAY oNLr $2995 LA TI-I ES Cmn.t Mills ls s Precision Instruments 7 REE CATALOG 2100-M Selma Rd Mocersa4 5133224552 800 OH 45505 R S Precision Inc Specializing 21 Years Business Precision Machining 5 Years making parts Prototype hobbier C N C Machining 138 Poinciana Pky Jig Boring chiaektowaga NY 14225 NC Fixtures call Quote custom Design Parts 716-684-8195 custom Tools Ph/Fax 716-686-0534 * Soft rubber backing holds straight edge place * Works great iron-on films well fiber glass cloth * Ends frustration wandering cuts lines * Both English Metric scales easy measurement * Comes convenient storage tube AR ONA MODEL AIRCRAJTERS PROUDLY ANNOUNCES New scale cockpit detail kits 1/3 version Price S2895 1/6 tbru 1/12 scales S1995 Order new full color 30 page catalog S500 sissds&b55 tkstrdsr Costajus photos md product info os eusrent md upcoming large seals modal kits aceessones nose art sad CU tm ss 5t harissd dsshbassd. Cockpit Detail Kits Scale ranges 1/12 1/3 Brass Acrylic Hardwood components order caill h AZ 602314-9937 Laser Cut Precision Illustrated Directiosts Outside AZ 800 319-7958 5OKZD WEZ3L KiTS UP TOtS INCH 00. MACDINE GUNS TO 113 SCALS ENGINK KITS UP TO 1/3 SCALE FITTINGS UARDWAXK TURNEUCKLES AND uucu ISOXE. VISA MC CHECKS OR MONEY ORDERS Arizona Model Alrerafters 9850 5 Gray Rd Scottsdale AZ 85260 edge line have cloth panel wetted get out squeegee use 52-cent deck playing cards Remove excess epoxy wet dry area dont glass cloth floats above wood wind up excess epoxy weight through weave will showing cloth will stuck wood will have minimum amount weight weave gets filled filler coat heavy cloth added After epoxy has cured eight 24 hours later trim off excess cloth carefully remove fuzz hard cloth Set wing building board very carefully block-sand trailing edge until pen line half gone totally gone will have trailing edge YM inch less wide choice yours Dust wing can glass top wing Cut out ailerons add torque rods align wing add hold-down dowels beyond scope article probably already know anyway other thing Ill mention landing-gear plate lay out plate going go cut away sheeting measured right back plate should basswood spars Holding landing-gear plate edge remove foam until plate recessed enough allow gear set flush wing After satisfied remove -inch-wide strip spars side other way wing sheeting Cut piece hard -inch balsa grain running vertically Trail-fit everything glue five-minute epoxy Now can glue landing-gear plate place glue leading edge basswood spars balsa step models have sustained some rough landings havent driven gear through wing yet came up after mild landing drove gear through wing After repairing wing eight-inch subspar adding balsa step gluing plate never again drove gear through wing Hopefully some techniques article will find helpful articles aimed newer racers still trying build straight wing experienced racers build six wings end up straight hope-andprayer method Some may saying crockI can cut twist wing probably can Just remember Ive built using techniques have driven 1200 miles unflown airplane second flight airplane first heat race Ive done four times backnp airplane real speed secret arent speed secrets dont help new guys wont anybody left hide anything except other already know what others doing get Fog Ill pass See next month Model Aviation
Edition: Model Aviation - 1996/10
Page Numbers: 99, 100, 101, 102
RADIO CONTROL PYLON RACING U 41 ITS NATS TIME will first year Nats Muncie National Miniature Pylon Racing Association NMPRA putting should good Wow QM 40 Records starting fall Rusty Van Baren has new QM 40 out called Vendetta Rusty flew airplane Bob Downey Memorial Race set AMA record 10575 bad first contest Next went Castle Air Base four airplanes flyingRichard Verano Dave Shadel Rustys son Matthew Rusty tells what happened Richard Verano first place Dave Shadel second place Saturday Matthew broke own AMA record 118 first heat Did mention time 11 laps eventually posted ten-lap time 113 Saturday finally 12737 Sunday Junior AMA record Dave Richard consistently posting sub-110 times QM Vendetta Sunday Richard posted 1 06s finally posted record 10495 information new airplane write Rusty 534 E Magnolia St Hanford CA 93230 ago Fog Tanner wrote article Skyloft great follow-up article last article went foam cores stack balsa wood package Skyloft set sheeted cores something racer needs what needs wing capable flight Its better yet wing straight will try finish wing started little remember isnt article build complete wing steps described article use 25-power optical visor must shaping trailing edge other precision sanding also use six-inch 4R machinists rule marked 1/8 1A6 2 I/ increments use scales Once have cores sheeted epoxy has reasonable cure time 36 48 hours can start finishing Using sharp X Acto knife trim away excess leading trailing edges leave approximately Y32 1/16 Next place sheeted wing panels back blocks place building board After realigning panels foam blocks place building board Sand 24-inch sanding block leading trailing edges use foam blocks sanding template keeps everything straight edges concentric centerline root next step add trailing edge trailing-edge stock always seems have three properties its warped too soft no two pieces alike quit using factory made trailing-edge stock years ago Now start out 36-inch-long piece half-inch-thick sixto-eight-pound BC-grain balsa measures 4/s 4 inches wide has aged approximately 1-2 years Let warp shelf airplane cut length wing am building inclusive wingtip plus couple inches mismeasurement allowance use scrap under plywood servo trays Make two marks middle sheetone end Take straightedge cut sheet two 21/i6 x 21/8-wide sheets sheet bows cut can sand edges straight bowed too much get another piecedont try straighten it didnt bow trim two inches have fixture sanding drum radial-arm saw doing need keep factory edge glue wing panel Once have sheet straight other warps dont matter Dont try pull warps outthey will return form strange-looking ailerons unique flight characteristics point people glue trailing-edge stock start sanding Take time check sheeted panels see fly airor trash can done easily quickly have fixture hold ball-point pen some distance off building board usually 2 inches distance important lines will same Take some scrap wing sheeting 1/ balsa wider distance pen building board edge must straight Use square hold sheet perpendicular building board straight edge down run pen across sheet Take straightedge cut line Make two have just made set parallel plates Pattern makers machinists use precision work Find marks ends wing panels ones used cutting cores align parallel plates Use three four T-pins hold place core has washout cut use leading-edge mark tip Place assembly perfectly flat building board within 004 end end shouldnt wobble check plate alignment plates right building board flat core probably warped prime candidate trash can core has washout cut measure trailing-edge mark building board write number down use /s scale Repeat process other panel noting washout numbers numbers nut same panel has problem get panel thats off hits trash can Foam balsa cheap time isnt tried cutting twisting panel changed airfoil choice yours Assuming have two good panels its time trailing edge Remove parallel plates now Trial-fit trailing-edge stock make sure will wood should Dont forget center wing should align back corner trailing edge centerline wing Set trailing-edge stock side get Gluit Run wavy bead down trailing edge wing panel Spread out medium-to-thin film Run thin bead down factory edge trailing-edge sheet spread out Place trailing-edge sheet wing panel Use light pressure move trailing-edge stock back forth approximately two inches align place pattern making called rub joint everything flat cant pull joint apart still use masking tape keep things sliding After glue has set trim off excess center wing Zona saw leave excess tip part wingtip three-piece Realign attach parallel plates same before except wings washout Use trailing-edge mark time Set panel building board check pen fixture top plate should pen point Run pen fixture down trailing edge root tip can Shark too now have straight 1A2 trailing edge technique taught master pattern makerthe October 1996 99 Junior Matthew VanBaren record-setting QM 40 Vendetta father Rustys design Matthew set record Castle AFB 100 Model Aviation 4SWRA LEGAL BARON P-51 Engine 60-120 511/2 Decals available Call info pack WHR0 HE PACE PLANE Engine High Perfomance 40 Span 48 56 AR Wheel Pant Available Roto Finish Stiletto Color Tile P-Si Sky Harbor R/C Fine Woods 1-800-279-2871 late Bill James difference Bill used outside scribe $30 dollars cheap import $70 used use pen Lyle Drew several other people probably everyone except have small hand planes actually work have number small hand planes everythingexcept work stuff made JA Pan Company didnt work spending time money planes wood rasps sanding stuff 80 griL excursion local auto-parts store found some real sandpaper Its resin-bonded 41 grit used working Bondo cars can see grit magnifying glasses After put some sanding block able destroy piece -inch scrap matter seconds minutes stuff cuts wood 80-grit grinds off have three sanding blocks made 3/4-inch 15-ply aircraft plywood measure 2 x 8 inches have 40-grit side 50-grit other another have 60-grit side 80-grit other third have 36-grit 36-grit like 40-grit except really removes wood hide hair fingers too place two-inch-wide making tape wing sheeting front trailing-edge stock keep tearing up wing sheeting airfoils use flatter bottom always shape side first shape top side hold bottom flat building board keep things straight Using 36-grit hold sanding block 450 angle start removing wood get line flatten block toward leading edge Watch gouges sandpaper leavingdont sand too close wing sheeting centerline will able sand out way end other next step 40-grit start getting closer centerline changing angle sanding block remove wood needed keeping mostly flat wing sheeting centerline Its starting look like wing nowa rough still wing Repeat process 50-grit 60-grit point trailing edge should sanded approximately /M inch pen line Using 80-grit sand pen line point have straight trailing edge Ive spent 15 minutes getting Flip panel over repeat process top side hold panel leading edge keep bottom trailing edge flat building board will have change angle move along airfoil get through should have perfectly straight trailing edge thats 2 inch wide good enough now Repeat other panel going join wings until next day store panels Place straight two-to-three-inch gap between keeps thin trailing edge warping Add wingtips leading edge SWRA LEGAL RJ P-51 Engine 60-1 20 Span 511/2 Decals available Call info pack shape airplane DeNight Cosmic Wind Shark etc building Sand dihedral wing panels youll ready join have fixture sanding drum radial arm saw sanding joint Before sand dihedral transfer centerline root leading edge draw leading-edge centerline using same method used trailing edge Next lay panels together top-side up find meet Note flip panels over place together Take piece two-inch-wide masking tape thats approximately six eight inches long Use cheap stuffit sticks better Stick half tape panel half other slack Place tape point panels met Now can pick up wing middle bottom Line up leading- trailing-edge marks check wing warps twists did other measurements correctly should looking perfectly straight wing doesnt have twist missed line little 1/rit can move wing center until panels right its off too much tA2 make some new marks go its off too much its trash time part up After satisfied turn wing over fold wing halves open use Gluit hold halves together Epoxy too heavy majority gluing surface foam anyway thing glue step is let us handle wing until get glass cloth Spread Gluit both panels spread film Flip panels over line up alignment marks support middle add another strip masking tape toward trailing edge Wipe off excess glue Check wing alignment again making sure way want After satisfied glue leading- trailingedge stock together cyanoacrylate CyA have perfect glue joint can CyA center section after glue has set Gluit will keep CyA melting foam support wing upside-down dihedral joint After glue has set 30 minutes two hours depending weather can handle wing next step glass wing put light six-ounce cloth first heavy cloth later use finishing epoxy Polyester tends warp thin trailing edges careful Bob Smith has excellent finishing resin 20-minute pot life E-Z Lam Aero Space gives 30- 60-minute pot life Before get out glass cloth block-sand wing 220-grit Get out cloth epoxy glass bottom wing use four pieces cloth side top bottom Make sure cut cloth oversize grain running tip-to-tip use epoxy its best lay cloth place brush epoxy through saturate cloth Using one-inch-wide brush start middie brush toward tip Brush epoxy toward leading trailing COMPETITION ACCESSORIES RACING WHEELS KLOTZ OIL SOLID CONTROL LINES THREE BRANDS OF GLOW PLUGS HARD-TO-FIND HARDWARE OLD TIMER SUPPLIES COILS CONDENSERS PLUGS SILK QUALITY DOPE BRUSHES 5 & 7 LOOP 114 GUM BANDS TRANSISTOR IGNITION SYSTEMS RESISTOR HI TENSION LEADS 1/2A TEXACO PLAYBOY SR KIT Soft Rubber Backing Film Fabric Prevents SlippingStraight Edge Product No FOR 155 Product No FOR 156 Length 1 Meter 3936 inches Length 1 Foot FOURMOST PRODUCTS Price $1495 Price $695 Look other great products Fourmost nearest hobby dealer direct orders include $350 Shipping -4040 24th Avenue Forest Grove OR 97116 October 1996 101 TEE DEE & REED ENGINES 010S 020S 049S 051S 074S & 09S ALL CUSTOM AND STOCK PARTS ARE AVAILABLE INDIVIDUALLY J0ucing Pen Plug Pia Sern Revese pout R* WewI dci No messy adjustments Microprocessor accurate neutral No Jitter No Drift Neutral Sh/fts temperature changes i Furiproof Vibration proof Encapsulated space-age epoxy MAIL OR PHONE 619 728-4365 VISA IMC WELCOME NO COD MINIMUM ORDER SIOOO PLUS et yours TODAY oNLr $2995 LA TI-I ES Cmn.t Mills ls s Precision Instruments 7 REE CATALOG 2100-M Selma Rd Mocersa4 5133224552 800 OH 45505 R S Precision Inc Specializing 21 Years Business Precision Machining 5 Years making parts Prototype hobbier C N C Machining 138 Poinciana Pky Jig Boring chiaektowaga NY 14225 NC Fixtures call Quote custom Design Parts 716-684-8195 custom Tools Ph/Fax 716-686-0534 * Soft rubber backing holds straight edge place * Works great iron-on films well fiber glass cloth * Ends frustration wandering cuts lines * Both English Metric scales easy measurement * Comes convenient storage tube AR ONA MODEL AIRCRAJTERS PROUDLY ANNOUNCES New scale cockpit detail kits 1/3 version Price S2895 1/6 tbru 1/12 scales S1995 Order new full color 30 page catalog S500 sissds&b55 tkstrdsr Costajus photos md product info os eusrent md upcoming large seals modal kits aceessones nose art sad CU tm ss 5t harissd dsshbassd. Cockpit Detail Kits Scale ranges 1/12 1/3 Brass Acrylic Hardwood components order caill h AZ 602314-9937 Laser Cut Precision Illustrated Directiosts Outside AZ 800 319-7958 5OKZD WEZ3L KiTS UP TOtS INCH 00. MACDINE GUNS TO 113 SCALS ENGINK KITS UP TO 1/3 SCALE FITTINGS UARDWAXK TURNEUCKLES AND uucu ISOXE. VISA MC CHECKS OR MONEY ORDERS Arizona Model Alrerafters 9850 5 Gray Rd Scottsdale AZ 85260 edge line have cloth panel wetted get out squeegee use 52-cent deck playing cards Remove excess epoxy wet dry area dont glass cloth floats above wood wind up excess epoxy weight through weave will showing cloth will stuck wood will have minimum amount weight weave gets filled filler coat heavy cloth added After epoxy has cured eight 24 hours later trim off excess cloth carefully remove fuzz hard cloth Set wing building board very carefully block-sand trailing edge until pen line half gone totally gone will have trailing edge YM inch less wide choice yours Dust wing can glass top wing Cut out ailerons add torque rods align wing add hold-down dowels beyond scope article probably already know anyway other thing Ill mention landing-gear plate lay out plate going go cut away sheeting measured right back plate should basswood spars Holding landing-gear plate edge remove foam until plate recessed enough allow gear set flush wing After satisfied remove -inch-wide strip spars side other way wing sheeting Cut piece hard -inch balsa grain running vertically Trail-fit everything glue five-minute epoxy Now can glue landing-gear plate place glue leading edge basswood spars balsa step models have sustained some rough landings havent driven gear through wing yet came up after mild landing drove gear through wing After repairing wing eight-inch subspar adding balsa step gluing plate never again drove gear through wing Hopefully some techniques article will find helpful articles aimed newer racers still trying build straight wing experienced racers build six wings end up straight hope-andprayer method Some may saying crockI can cut twist wing probably can Just remember Ive built using techniques have driven 1200 miles unflown airplane second flight airplane first heat race Ive done four times backnp airplane real speed secret arent speed secrets dont help new guys wont anybody left hide anything except other already know what others doing get Fog Ill pass See next month Model Aviation