RADIO CONTROL PYLON RACING EflIE HERE WE ARE dead winter people up North storm-andblizzard season Boy watch Weather Channel time year remember some reasons moved Texas Anyway building season thought might interested article Fog Tanner Jr got NMPRA newsletter After several discussions wing construction Nats back district decided put writing Paul Page asked write another articleyou guys can blame him Given 10 racers will normally find five ten different ways doing same thing Most work some time some work time some work guy whos doing Phreds Law Mechanics Its learning things makes racing fun challenging way CRS Racing sheet wings works us several other people time Its way works Everyone always looking ways save wing weight have strong wing mutually exclusive terms speeds running today long wings have necessitated changes way built wings ten years ago started using carbon fiber various stress areas years ago cureall strength wing still good wood used use light wood get wimpy wing emulates bird flight Great trying impress bird-watcher opposite sex conducive high speeds fast times use heavy wood get wing doesnt bend can used shovel doesnt want stop rolling So thats some airplanes roll up nice others over-roll Newtonian mechanicsinertia offset light wood current airplane has five-pound wood get stiff wing have started using Skyloft Skyloft unwoven nylon fabric similar texture silkspan available Dave Brown sold covering applied dope over outside wing person know has actually covered wing David Layman said two times first last fuzzes up sand OK like fur-covered dashboards David also suggested using Skyloft building wing sand So use stuff cant sand inside between foam sheeting start taking foam cores blocks cut place building board take square right triangle draw pen line end middle front back alignment lines use later Next take foam cores measure landing gear plate located transfer back plate top wing cant measure over top wing curved will come up short Assemble cores back blocks set flat surface use square transfer line top core top core use straightedge draw line parallel leading edge out 18 inches am going sweep wing back DeNight Polecat measure difference leading edge eighteen inches draw line point two cores placed together should have stralght line perpendicular center line going glue back landing gear plate has right Next step radial arm saw place core top side up set old blocks have stack Next lay straightedge down line Ive drawn slide up blade straightedge needs contact front back blade Make sure going cut back side line side towards trailing edge After everything looks good cut 18inch slot through core Repeat other core Make up two spars out basswood spruce Forget 1/g plywoodit creates too much stress riser basswood spruce will bend little building wood composite can minimize bending spars also tie top bottom skins together real strength lies know several people have used hard /s balsa plywood doesnt bend causes skin push out bottom during turns use Gluit Pica glue spars aliphatic glue will work need light film globand wipe off excess Place two toothpicks about 1 /2 inches both sides spar Use rubber band around toothpicks hold tension keeps cores separating Place 24 x 20 strip waxed paper cores over spars top bottom assemble back blocks place flat surface Stack some weight use 60 pounds because have composite let glue set ensures spar will glued straight cores cores will separate sheeted drying glue wing sheeting together weigh sheeting assemble four stacks right- left-hand stacks weighing same heaviest wood can bend goes top leading edge heaviest wood cant bend goes bottom leading edge glue four boards Again use Gluit sandablecyanoacrylate CyA glues leave hard line will eventually show Put sheets together run 3/4 masking tape seam Flip sheets over open sheets up two time form inverted V Run thin bead glue joint lay flat wipe off excess let dry Repeat sheets dry remove tape lightly block-sand seams 180-220 grit sandpaper Next lay out cores over wing sheeting easiest way assemble block board core mark leading trailing edges add /s- depends time night amount coffee make some trim marks repeat boards cut Mark location ie top left bottom left etc strongest way lay out wing sheeting according EAA cost little speed business nickel-and-dime Take Skyloft lay out over boards Mark Skyloft border foam cores cut scissors Mark board goes repeat other three boards Now youre ready put wing sheeting what doing epoxy thing use Contact cement great laying tile leaves something desired wing construction use E-Z Lam Aerospace Composites 60-minute hardener gives plenty working time David Layman found best thing apply epoxy cheap three-inch touchup roller made Shur-line $175-$2 area get use out sleeve replacement sleeves two $150 Lay out piece plastic thats six inches larger sides wing Depending epoxy use mix up two ounces 1 Some 60-minute epoxies will gel about fifteen minutes mixed large volume Its best short side have composite set up before youre through can mix epoxy bet cant peel sheeting off start over knowIve tried mix up 1 first half ounce second half Only 125 15 ounces total goes wingAfter epoxy mixed pour some roller little plastic going lay sheeting Saturate roller like would using latex paint Roll out thin glue film over board keeping may get thick layer start just roll 94 Model Aviation You can roll excess another board Repeat operation second board Make sure keep adequate amount epoxy roller board After spread epoxy over boards lay out Skyloft respective panels Skyloft may wrinkle little may have smooth out hands Roll off excess epoxy plasticyou just want damp Roll wrinkles out Skyloft dont add epoxy just get damp try saturate Skyloft will add four ounces finished wing know won t bend will hurt yourself trying break After have done top bottom board take core roll tack coat side puffing down first Assemble bottom board core bottom block Roll tack coat top core assemble top sheet top block Set side add some weight keep things moving around Skyloft composite things really want slip slide Repeat process other wing panel Now can either place composite flat surface stack weights place squeeze board press Before start puffing pressure composite line up pen lines made remember first thing did ensures full contact core sheeting setting composite flat surface stacking 100 pounds weight need add another 75-100 pounds use squeeze board puts 200-300 pounds pressure composite also dont need wet Skyloft much pressure forces epoxy Skyloft both sides remember tack coat core have never wing skin delaminate doing use squeeze board press measure core assembly before start draw alignment lines Measure end middle write numbers down Add 3/to tip bottom sheeting subtract tA2 number thickness compress composite will need wrench measure leading trailing edge end middle compress composite numbers wings always come out straight soit must working right Let set 36-48 hours eight hours epoxy may gelled set can still move 24 hours some epoxies totally stable takes about seven days Northeast can take months years next century epoxy totally set up can safely work after 36-48 hours gives time move tail section firewall After epoxy sets remove composite composites really just carbon-fiber fiberglass squeeze board take weights off remove wing panels Dont get excited start flexing panels Continued page 101 five minutes can upgrade stan dard FutabaorAirtronics servosto ball bearing servos new EMS Ball Bearing Conversion Kit New case tops accurately molded super tough glass filled fuel-proof Celcon include top quality stainless steel ball bearing servo output shaft * Stops case top and/or plastic bushing wear * Prevents output gear shaft shimmy * Reduces friction improves servo centering * Enhances performance airplanes boats & cars * Mandatory helicopter servos * Free output arm provided case top * Guaranteed against breakage year * Why pay $3995 $2995 BC-iFits FUTABA 528/5128 S38/S138 orS48/S148 Servos set 4$2595 -2As above set oft$695 -3Fits AIRTRONICS 94t02 Servos set 4$2595 usu-4As above set 1$695 I8BC-5 Ball Bearing Only JR 501 507 RCD APOLLO 05 10 FOCUS HS300 HS500 ACE 330342 342HS TOWER TS-5 1 Servos set 4$1995 Add $300 Shipping Handling orders 714 692-1393 Info Only* california Realdenta Add 775% Salca Tas 800 845-8978 Orders OnlyVISA MASTERCARD Accepted PLUG-IN WING ADJUSTER KIT New Improved Wing Adjuster very strong rigid also light weight Use two adjusters wing panel key panel fuselage allowing quick accurate alignment straight flight 4-Pack both wing panels $1295 GLASS CLOTH 7 oziSq Yard Fastest Filling Closest Weave Lightest Finished Weight Includes Detailed Instructions Big 3 Square Yard Pkg$895 GATOR WING TUBE AND SOCKET SETS Aluminum alloy tubing plug-in wings Includes special slip-fit phenolic sockets build wing panels Special lengths order 7/16 dia x 2 ft precision fit sockets$695 5/8 dia x 2 ft precision fit sockets$1095 7/8 dia x 2 ft precision fit sockets$1195 1-1/4 diax2ft$995 1-1/2diax3ft$1495 PLUG-IN ADJUSTABLE STAB KIT Now can optimize stab incidence best flight characteristical pair glass-filled nylon adjusters included provide simple quick micro screw adjustment smaller front stab tube Main tube alloy aluminum matching phenolic socket Complete Package$995 3713 Pompano Drive Pensacola FL 32514 Phone 904 494-0203 RIC Products Inc Z VlSAlMasterCard Welcomed $450 per item S&H esidents add 6% Tax D IIlfl TUIIIUflITI&ANOTHER uEEEuEEu ~ JIM BestSCALE SEMI-KIT of~ 0Complete & Partial Kits AcurateREE CA TALUSWile nians Only $200 Best30 s ratedalso available FUR TRAMPhone information Top OaanaRETRACTS Contenders oea $175Scale Ilishi naming manual avalabie $500 Basa py Oct tonPlans tsr scale retracttailPLANS$4000 wheel availableI RAZOR CANOPYSEND TO Approa material cost $150 -Removable cockpit Iloor pilot seatBUBBLE CANOPY$4500 -5 Sheets relied plans -scale gear struts availasle FORMED RAZOR BACK $1500 Jim Meinter 36o48 50 -Flaps shown COWL 500 5319 NC 49 -Complete instroctioos -Hard make shapes FREE SHIPPING Mebane NC 27302 -Two piece wino designavailable plastic CATALOG19101 5623700 -Oteratins intercoden doors TOTAL y1996 97 YOLJrSCALE HEADQUARTERS Large Model Fun Easy Way Engineered Lazy Builders 5l5LE MUSTANG CORSAIR SPITFIRE MLII LE Akwndmoih St Q lllll RC Pylon RacinglHager Continued page 97 probably will flex wait until get wing finished gives epoxy time cure disturbing Complete wing point As said beginning article way sheeting wing works us doing mass production Drew have said takes too much time Others saying too much weight necessary wings coming out straight weight have wing failure yet dont think stuff adds strength try breaking panel David Layman did broke part garage-door frame promised JP Hanways Thompson Trophy Racer hoping full-blown building article what got JP said seen what thought interest yet project build airplane compete Thompson Trophy class 1995 Galveston model air races problem pick airplane would competitive easy build first criteria meant airplane must have inline engine no flying wires second criteria dictated airplane low-wing monoplane slab-sided fuselage fairly straight lines After about month research soul searching selected Keith Rider R-4 aka Schoenfeldt Firecracker Although best-looking airplane met criteria better other aircraft found R-4 built Keith Rider around 1935 campaigned 1936 air-race circuit compared faster racers era pretty much dog Two years later Schoenfeldt purchased aircraft cleaned up airframe some fitted Menasco Super Buccaneer 250 hp engine NEED SCALE DOCUMENTATION Antiques Military Civilian Helicopters Sailpianes whIt hirgest aircraft documentation collection 5800 different full color photo studies 1905-1996 33000 3-view line drawings New 1996 Catalog/Guide 1188 pogesl $1000 Only $8$1500 Bob Banka w Scale Model Research Yukon Avenue a Mesa CA 92626 979-8058 RT CARD ON HINGES After ten years everybody thinks schools out hinges Lets grade competition see needs classes EASY HINE-E what look CA hinge Experience no can match SIGs 10 years development use Hinge Correct thickness achieve balance between strength durability flexibility ease assembly No holes slots weaken hinge Special surface treatment secure grip facing comes off hinge will come Out Facing Thin easy insert hinge Treated CA wicks across whole hinge wood Processed retard CA cure time correct mistake just surface bonds ALL surface bonds MATERIALS ThAT REALLY WORK- EVERY TIME FOR LONG TIME Dont depend luck depend SIG EASY HINGES first stilt best nane CA hinges SH-710 Pkg 24 S29 Materials Total es rather ordinary item critical life model Dont save buck hinges crash use SIG EASY HINGES confidence SIG Easy Hinges DB D GP B C F GB ST Hinge ThicknessAAAABAB TearStrengthAAAABAB Surface TreatmentAFFFFFF D n 4 D 0 D HI IOLIJ otsorHolesAAAAADD Glue Action WickinciAABFFFF Delayed Cure Average Grade A C 0 C BF C F CF CF D SIG MFG CO INC 401-7 So Front St Montezuma IA 50171 623-5154 May1996 101 ITS REAL ROLLING HANGAR i WELLS CARGO Rolling Hangar works serious RC Model Pilot get great weatherproof transport convenient safe storage Bird wings spare props radio organized ready go Buzzin anytime weatherman says OK models ranging 6 48 theres WELLS RGO trailer just right Plus get 3-Year Warranty am really works CALL TOLL-FREE 1 -800-348-7553 Literature Prices & Nearest Dealer HOT BOX FLIGHT SUPPORT h 1938 fared much better races still no cigar 1939 new wing built engine rewired now 4J90 hpthey cooking gas Firecracker probably fastest pre-Worid War Hair racer would have easily won Thompson LeVier lost track other airplanes easily understandable seeing LeVier hold full down takeoff because tailheavy condition caused extra fuel can-ied complete extended race Just flying little airplane took total concentration some rather large body parts first step building model draw some plans wing waseasy because has straight taper round tips extract measurements set three-views ajifoil same used Ed Rankins Shoestring draw fuselage transparency made using overhead projector drew outline top side views drew structure departures scale alifoil addition 10% tail surfaces based suggestions two aeronautical engineers know numbers ran did indicate scale size should sufficient structure Firecracker fairly simple think large Lite Ply Quickie 500 2 plywood turtledeck stringers fiberglass cowl slipped over nose nothing special about wing either does have strong spar large landing gear plates mounted half-ribs does fly Just fine its fast too prototype Firecracker powered Precision Eagle 42 cubic-inch engine burning alcohol fitted twin C&H racing ignitions two spark plugs retracts Century Jet Models Inc both work flawlessly originally intended offer kits racer after giving out whole bunch brochures Galveston Ive serious inquiry interested give call 214 625-2705 Kits may still happen See Galveston April end racing season Regional Championship races will print next issue THE FNGINF IGNfl ION OF THE FUTURE IS HERE NOW CALL FOR EXCITING lETAILS ON POWER PEAKING YOUR QUADRA OWN THE MOST STATE OF THE ART ACCESSORIES AND ENGINES IN THE WORLD TODAY CALL FOR SPECIAL PRICES ON YOUR ENGINE AND IGNITION NEEDS MEISTER SCALE 6319 NC 49 MEDANE NC 27302 PHONE/FM 910 562-3700 102 Model Aviation Rubber Backing Film Fabric Prevents slipping Straight Edge * 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 Product No FOR 155Length 1 Meter 3936 inchesPrice $1495 Product No FOR 156Length 1 FootPrice $695 FOURMOST PRODUCTS Look other great products Fourmost nearest hobby dealer direct orders include $350 shipping -4040 24th Avenue Forest Grove OR 97116 s Off Knees 3001b Seat CapacIty nded Scale Volbneter Monitor RX TX Charge matic Glow Plug Driver MPI Super Power Panel Lighteo Fused Master Panel Control Swltcha NIcad Glow Battery Charger 12v Starter Outlet t 12V Glow Fuel Pump /Drain Switch wn Fuel Storage Platform Fuel Bottle #Holds 2 12V-7amp Gell Cell Batteries Sure Starts Automatlcally Monitora Charge Status 12v Battery Enough Storage Carry/Store 4 Transmitlers 5 Compartment Llfft Prop Storage Tray u itd Plasfaraiaaeged TOLL FREE 1-800-468-2692 Mar West aL Co Inc 3339 Fitzgerald Rd Suite 1 Rancho Cordova CA 95742 TEL 916 961-4703 FAX9I6 983-1923
Edition: Model Aviation - 1996/05
Page Numbers: 94, 97, 101, 102
Edition: Model Aviation - 1996/05
Page Numbers: 94, 97, 101, 102
RADIO CONTROL PYLON RACING EflIE HERE WE ARE dead winter people up North storm-andblizzard season Boy watch Weather Channel time year remember some reasons moved Texas Anyway building season thought might interested article Fog Tanner Jr got NMPRA newsletter After several discussions wing construction Nats back district decided put writing Paul Page asked write another articleyou guys can blame him Given 10 racers will normally find five ten different ways doing same thing Most work some time some work time some work guy whos doing Phreds Law Mechanics Its learning things makes racing fun challenging way CRS Racing sheet wings works us several other people time Its way works Everyone always looking ways save wing weight have strong wing mutually exclusive terms speeds running today long wings have necessitated changes way built wings ten years ago started using carbon fiber various stress areas years ago cureall strength wing still good wood used use light wood get wimpy wing emulates bird flight Great trying impress bird-watcher opposite sex conducive high speeds fast times use heavy wood get wing doesnt bend can used shovel doesnt want stop rolling So thats some airplanes roll up nice others over-roll Newtonian mechanicsinertia offset light wood current airplane has five-pound wood get stiff wing have started using Skyloft Skyloft unwoven nylon fabric similar texture silkspan available Dave Brown sold covering applied dope over outside wing person know has actually covered wing David Layman said two times first last fuzzes up sand OK like fur-covered dashboards David also suggested using Skyloft building wing sand So use stuff cant sand inside between foam sheeting start taking foam cores blocks cut place building board take square right triangle draw pen line end middle front back alignment lines use later Next take foam cores measure landing gear plate located transfer back plate top wing cant measure over top wing curved will come up short Assemble cores back blocks set flat surface use square transfer line top core top core use straightedge draw line parallel leading edge out 18 inches am going sweep wing back DeNight Polecat measure difference leading edge eighteen inches draw line point two cores placed together should have stralght line perpendicular center line going glue back landing gear plate has right Next step radial arm saw place core top side up set old blocks have stack Next lay straightedge down line Ive drawn slide up blade straightedge needs contact front back blade Make sure going cut back side line side towards trailing edge After everything looks good cut 18inch slot through core Repeat other core Make up two spars out basswood spruce Forget 1/g plywoodit creates too much stress riser basswood spruce will bend little building wood composite can minimize bending spars also tie top bottom skins together real strength lies know several people have used hard /s balsa plywood doesnt bend causes skin push out bottom during turns use Gluit Pica glue spars aliphatic glue will work need light film globand wipe off excess Place two toothpicks about 1 /2 inches both sides spar Use rubber band around toothpicks hold tension keeps cores separating Place 24 x 20 strip waxed paper cores over spars top bottom assemble back blocks place flat surface Stack some weight use 60 pounds because have composite let glue set ensures spar will glued straight cores cores will separate sheeted drying glue wing sheeting together weigh sheeting assemble four stacks right- left-hand stacks weighing same heaviest wood can bend goes top leading edge heaviest wood cant bend goes bottom leading edge glue four boards Again use Gluit sandablecyanoacrylate CyA glues leave hard line will eventually show Put sheets together run 3/4 masking tape seam Flip sheets over open sheets up two time form inverted V Run thin bead glue joint lay flat wipe off excess let dry Repeat sheets dry remove tape lightly block-sand seams 180-220 grit sandpaper Next lay out cores over wing sheeting easiest way assemble block board core mark leading trailing edges add /s- depends time night amount coffee make some trim marks repeat boards cut Mark location ie top left bottom left etc strongest way lay out wing sheeting according EAA cost little speed business nickel-and-dime Take Skyloft lay out over boards Mark Skyloft border foam cores cut scissors Mark board goes repeat other three boards Now youre ready put wing sheeting what doing epoxy thing use Contact cement great laying tile leaves something desired wing construction use E-Z Lam Aerospace Composites 60-minute hardener gives plenty working time David Layman found best thing apply epoxy cheap three-inch touchup roller made Shur-line $175-$2 area get use out sleeve replacement sleeves two $150 Lay out piece plastic thats six inches larger sides wing Depending epoxy use mix up two ounces 1 Some 60-minute epoxies will gel about fifteen minutes mixed large volume Its best short side have composite set up before youre through can mix epoxy bet cant peel sheeting off start over knowIve tried mix up 1 first half ounce second half Only 125 15 ounces total goes wingAfter epoxy mixed pour some roller little plastic going lay sheeting Saturate roller like would using latex paint Roll out thin glue film over board keeping may get thick layer start just roll 94 Model Aviation You can roll excess another board Repeat operation second board Make sure keep adequate amount epoxy roller board After spread epoxy over boards lay out Skyloft respective panels Skyloft may wrinkle little may have smooth out hands Roll off excess epoxy plasticyou just want damp Roll wrinkles out Skyloft dont add epoxy just get damp try saturate Skyloft will add four ounces finished wing know won t bend will hurt yourself trying break After have done top bottom board take core roll tack coat side puffing down first Assemble bottom board core bottom block Roll tack coat top core assemble top sheet top block Set side add some weight keep things moving around Skyloft composite things really want slip slide Repeat process other wing panel Now can either place composite flat surface stack weights place squeeze board press Before start puffing pressure composite line up pen lines made remember first thing did ensures full contact core sheeting setting composite flat surface stacking 100 pounds weight need add another 75-100 pounds use squeeze board puts 200-300 pounds pressure composite also dont need wet Skyloft much pressure forces epoxy Skyloft both sides remember tack coat core have never wing skin delaminate doing use squeeze board press measure core assembly before start draw alignment lines Measure end middle write numbers down Add 3/to tip bottom sheeting subtract tA2 number thickness compress composite will need wrench measure leading trailing edge end middle compress composite numbers wings always come out straight soit must working right Let set 36-48 hours eight hours epoxy may gelled set can still move 24 hours some epoxies totally stable takes about seven days Northeast can take months years next century epoxy totally set up can safely work after 36-48 hours gives time move tail section firewall After epoxy sets remove composite composites really just carbon-fiber fiberglass squeeze board take weights off remove wing panels Dont get excited start flexing panels Continued page 101 five minutes can upgrade stan dard FutabaorAirtronics servosto ball bearing servos new EMS Ball Bearing Conversion Kit New case tops accurately molded super tough glass filled fuel-proof Celcon include top quality stainless steel ball bearing servo output shaft * Stops case top and/or plastic bushing wear * Prevents output gear shaft shimmy * Reduces friction improves servo centering * Enhances performance airplanes boats & cars * Mandatory helicopter servos * Free output arm provided case top * Guaranteed against breakage year * Why pay $3995 $2995 BC-iFits FUTABA 528/5128 S38/S138 orS48/S148 Servos set 4$2595 -2As above set oft$695 -3Fits AIRTRONICS 94t02 Servos set 4$2595 usu-4As above set 1$695 I8BC-5 Ball Bearing Only JR 501 507 RCD APOLLO 05 10 FOCUS HS300 HS500 ACE 330342 342HS TOWER TS-5 1 Servos set 4$1995 Add $300 Shipping Handling orders 714 692-1393 Info Only* california Realdenta Add 775% Salca Tas 800 845-8978 Orders OnlyVISA MASTERCARD Accepted PLUG-IN WING ADJUSTER KIT New Improved Wing Adjuster very strong rigid also light weight Use two adjusters wing panel key panel fuselage allowing quick accurate alignment straight flight 4-Pack both wing panels $1295 GLASS CLOTH 7 oziSq Yard Fastest Filling Closest Weave Lightest Finished Weight Includes Detailed Instructions Big 3 Square Yard Pkg$895 GATOR WING TUBE AND SOCKET SETS Aluminum alloy tubing plug-in wings Includes special slip-fit phenolic sockets build wing panels Special lengths order 7/16 dia x 2 ft precision fit sockets$695 5/8 dia x 2 ft precision fit sockets$1095 7/8 dia x 2 ft precision fit sockets$1195 1-1/4 diax2ft$995 1-1/2diax3ft$1495 PLUG-IN ADJUSTABLE STAB KIT Now can optimize stab incidence best flight characteristical pair glass-filled nylon adjusters included provide simple quick micro screw adjustment smaller front stab tube Main tube alloy aluminum matching phenolic socket Complete Package$995 3713 Pompano Drive Pensacola FL 32514 Phone 904 494-0203 RIC Products Inc Z VlSAlMasterCard Welcomed $450 per item S&H esidents add 6% Tax D IIlfl TUIIIUflITI&ANOTHER uEEEuEEu ~ JIM BestSCALE SEMI-KIT of~ 0Complete & Partial Kits AcurateREE CA TALUSWile nians Only $200 Best30 s ratedalso available FUR TRAMPhone information Top OaanaRETRACTS Contenders oea $175Scale Ilishi naming manual avalabie $500 Basa py Oct tonPlans tsr scale retracttailPLANS$4000 wheel availableI RAZOR CANOPYSEND TO Approa material cost $150 -Removable cockpit Iloor pilot seatBUBBLE CANOPY$4500 -5 Sheets relied plans -scale gear struts availasle FORMED RAZOR BACK $1500 Jim Meinter 36o48 50 -Flaps shown COWL 500 5319 NC 49 -Complete instroctioos -Hard make shapes FREE SHIPPING Mebane NC 27302 -Two piece wino designavailable plastic CATALOG19101 5623700 -Oteratins intercoden doors TOTAL y1996 97 YOLJrSCALE HEADQUARTERS Large Model Fun Easy Way Engineered Lazy Builders 5l5LE MUSTANG CORSAIR SPITFIRE MLII LE Akwndmoih St Q lllll RC Pylon RacinglHager Continued page 97 probably will flex wait until get wing finished gives epoxy time cure disturbing Complete wing point As said beginning article way sheeting wing works us doing mass production Drew have said takes too much time Others saying too much weight necessary wings coming out straight weight have wing failure yet dont think stuff adds strength try breaking panel David Layman did broke part garage-door frame promised JP Hanways Thompson Trophy Racer hoping full-blown building article what got JP said seen what thought interest yet project build airplane compete Thompson Trophy class 1995 Galveston model air races problem pick airplane would competitive easy build first criteria meant airplane must have inline engine no flying wires second criteria dictated airplane low-wing monoplane slab-sided fuselage fairly straight lines After about month research soul searching selected Keith Rider R-4 aka Schoenfeldt Firecracker Although best-looking airplane met criteria better other aircraft found R-4 built Keith Rider around 1935 campaigned 1936 air-race circuit compared faster racers era pretty much dog Two years later Schoenfeldt purchased aircraft cleaned up airframe some fitted Menasco Super Buccaneer 250 hp engine NEED SCALE DOCUMENTATION Antiques Military Civilian Helicopters Sailpianes whIt hirgest aircraft documentation collection 5800 different full color photo studies 1905-1996 33000 3-view line drawings New 1996 Catalog/Guide 1188 pogesl $1000 Only $8$1500 Bob Banka w Scale Model Research Yukon Avenue a Mesa CA 92626 979-8058 RT CARD ON HINGES After ten years everybody thinks schools out hinges Lets grade competition see needs classes EASY HINE-E what look CA hinge Experience no can match SIGs 10 years development use Hinge Correct thickness achieve balance between strength durability flexibility ease assembly No holes slots weaken hinge Special surface treatment secure grip facing comes off hinge will come Out Facing Thin easy insert hinge Treated CA wicks across whole hinge wood Processed retard CA cure time correct mistake just surface bonds ALL surface bonds MATERIALS ThAT REALLY WORK- EVERY TIME FOR LONG TIME Dont depend luck depend SIG EASY HINGES first stilt best nane CA hinges SH-710 Pkg 24 S29 Materials Total es rather ordinary item critical life model Dont save buck hinges crash use SIG EASY HINGES confidence SIG Easy Hinges DB D GP B C F GB ST Hinge ThicknessAAAABAB TearStrengthAAAABAB Surface TreatmentAFFFFFF D n 4 D 0 D HI IOLIJ otsorHolesAAAAADD Glue Action WickinciAABFFFF Delayed Cure Average Grade A C 0 C BF C F CF CF D SIG MFG CO INC 401-7 So Front St Montezuma IA 50171 623-5154 May1996 101 ITS REAL ROLLING HANGAR i WELLS CARGO Rolling Hangar works serious RC Model Pilot get great weatherproof transport convenient safe storage Bird wings spare props radio organized ready go Buzzin anytime weatherman says OK models ranging 6 48 theres WELLS RGO trailer just right Plus get 3-Year Warranty am really works CALL TOLL-FREE 1 -800-348-7553 Literature Prices & Nearest Dealer HOT BOX FLIGHT SUPPORT h 1938 fared much better races still no cigar 1939 new wing built engine rewired now 4J90 hpthey cooking gas Firecracker probably fastest pre-Worid War Hair racer would have easily won Thompson LeVier lost track other airplanes easily understandable seeing LeVier hold full down takeoff because tailheavy condition caused extra fuel can-ied complete extended race Just flying little airplane took total concentration some rather large body parts first step building model draw some plans wing waseasy because has straight taper round tips extract measurements set three-views ajifoil same used Ed Rankins Shoestring draw fuselage transparency made using overhead projector drew outline top side views drew structure departures scale alifoil addition 10% tail surfaces based suggestions two aeronautical engineers know numbers ran did indicate scale size should sufficient structure Firecracker fairly simple think large Lite Ply Quickie 500 2 plywood turtledeck stringers fiberglass cowl slipped over nose nothing special about wing either does have strong spar large landing gear plates mounted half-ribs does fly Just fine its fast too prototype Firecracker powered Precision Eagle 42 cubic-inch engine burning alcohol fitted twin C&H racing ignitions two spark plugs retracts Century Jet Models Inc both work flawlessly originally intended offer kits racer after giving out whole bunch brochures Galveston Ive serious inquiry interested give call 214 625-2705 Kits may still happen See Galveston April end racing season Regional Championship races will print next issue THE FNGINF IGNfl ION OF THE FUTURE IS HERE NOW CALL FOR EXCITING lETAILS ON POWER PEAKING YOUR QUADRA OWN THE MOST STATE OF THE ART ACCESSORIES AND ENGINES IN THE WORLD TODAY CALL FOR SPECIAL PRICES ON YOUR ENGINE AND IGNITION NEEDS MEISTER SCALE 6319 NC 49 MEDANE NC 27302 PHONE/FM 910 562-3700 102 Model Aviation Rubber Backing Film Fabric Prevents slipping Straight Edge * 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 Product No FOR 155Length 1 Meter 3936 inchesPrice $1495 Product No FOR 156Length 1 FootPrice $695 FOURMOST PRODUCTS Look other great products Fourmost nearest hobby dealer direct orders include $350 shipping -4040 24th Avenue Forest Grove OR 97116 s Off Knees 3001b Seat CapacIty nded Scale Volbneter Monitor RX TX Charge matic Glow Plug Driver MPI Super Power Panel Lighteo Fused Master Panel Control Swltcha NIcad Glow Battery Charger 12v Starter Outlet t 12V Glow Fuel Pump /Drain Switch wn Fuel Storage Platform Fuel Bottle #Holds 2 12V-7amp Gell Cell Batteries Sure Starts Automatlcally Monitora Charge Status 12v Battery Enough Storage Carry/Store 4 Transmitlers 5 Compartment Llfft Prop Storage Tray u itd Plasfaraiaaeged TOLL FREE 1-800-468-2692 Mar West aL Co Inc 3339 Fitzgerald Rd Suite 1 Rancho Cordova CA 95742 TEL 916 961-4703 FAX9I6 983-1923
Edition: Model Aviation - 1996/05
Page Numbers: 94, 97, 101, 102
RADIO CONTROL PYLON RACING EflIE HERE WE ARE dead winter people up North storm-andblizzard season Boy watch Weather Channel time year remember some reasons moved Texas Anyway building season thought might interested article Fog Tanner Jr got NMPRA newsletter After several discussions wing construction Nats back district decided put writing Paul Page asked write another articleyou guys can blame him Given 10 racers will normally find five ten different ways doing same thing Most work some time some work time some work guy whos doing Phreds Law Mechanics Its learning things makes racing fun challenging way CRS Racing sheet wings works us several other people time Its way works Everyone always looking ways save wing weight have strong wing mutually exclusive terms speeds running today long wings have necessitated changes way built wings ten years ago started using carbon fiber various stress areas years ago cureall strength wing still good wood used use light wood get wimpy wing emulates bird flight Great trying impress bird-watcher opposite sex conducive high speeds fast times use heavy wood get wing doesnt bend can used shovel doesnt want stop rolling So thats some airplanes roll up nice others over-roll Newtonian mechanicsinertia offset light wood current airplane has five-pound wood get stiff wing have started using Skyloft Skyloft unwoven nylon fabric similar texture silkspan available Dave Brown sold covering applied dope over outside wing person know has actually covered wing David Layman said two times first last fuzzes up sand OK like fur-covered dashboards David also suggested using Skyloft building wing sand So use stuff cant sand inside between foam sheeting start taking foam cores blocks cut place building board take square right triangle draw pen line end middle front back alignment lines use later Next take foam cores measure landing gear plate located transfer back plate top wing cant measure over top wing curved will come up short Assemble cores back blocks set flat surface use square transfer line top core top core use straightedge draw line parallel leading edge out 18 inches am going sweep wing back DeNight Polecat measure difference leading edge eighteen inches draw line point two cores placed together should have stralght line perpendicular center line going glue back landing gear plate has right Next step radial arm saw place core top side up set old blocks have stack Next lay straightedge down line Ive drawn slide up blade straightedge needs contact front back blade Make sure going cut back side line side towards trailing edge After everything looks good cut 18inch slot through core Repeat other core Make up two spars out basswood spruce Forget 1/g plywoodit creates too much stress riser basswood spruce will bend little building wood composite can minimize bending spars also tie top bottom skins together real strength lies know several people have used hard /s balsa plywood doesnt bend causes skin push out bottom during turns use Gluit Pica glue spars aliphatic glue will work need light film globand wipe off excess Place two toothpicks about 1 /2 inches both sides spar Use rubber band around toothpicks hold tension keeps cores separating Place 24 x 20 strip waxed paper cores over spars top bottom assemble back blocks place flat surface Stack some weight use 60 pounds because have composite let glue set ensures spar will glued straight cores cores will separate sheeted drying glue wing sheeting together weigh sheeting assemble four stacks right- left-hand stacks weighing same heaviest wood can bend goes top leading edge heaviest wood cant bend goes bottom leading edge glue four boards Again use Gluit sandablecyanoacrylate CyA glues leave hard line will eventually show Put sheets together run 3/4 masking tape seam Flip sheets over open sheets up two time form inverted V Run thin bead glue joint lay flat wipe off excess let dry Repeat sheets dry remove tape lightly block-sand seams 180-220 grit sandpaper Next lay out cores over wing sheeting easiest way assemble block board core mark leading trailing edges add /s- depends time night amount coffee make some trim marks repeat boards cut Mark location ie top left bottom left etc strongest way lay out wing sheeting according EAA cost little speed business nickel-and-dime Take Skyloft lay out over boards Mark Skyloft border foam cores cut scissors Mark board goes repeat other three boards Now youre ready put wing sheeting what doing epoxy thing use Contact cement great laying tile leaves something desired wing construction use E-Z Lam Aerospace Composites 60-minute hardener gives plenty working time David Layman found best thing apply epoxy cheap three-inch touchup roller made Shur-line $175-$2 area get use out sleeve replacement sleeves two $150 Lay out piece plastic thats six inches larger sides wing Depending epoxy use mix up two ounces 1 Some 60-minute epoxies will gel about fifteen minutes mixed large volume Its best short side have composite set up before youre through can mix epoxy bet cant peel sheeting off start over knowIve tried mix up 1 first half ounce second half Only 125 15 ounces total goes wingAfter epoxy mixed pour some roller little plastic going lay sheeting Saturate roller like would using latex paint Roll out thin glue film over board keeping may get thick layer start just roll 94 Model Aviation You can roll excess another board Repeat operation second board Make sure keep adequate amount epoxy roller board After spread epoxy over boards lay out Skyloft respective panels Skyloft may wrinkle little may have smooth out hands Roll off excess epoxy plasticyou just want damp Roll wrinkles out Skyloft dont add epoxy just get damp try saturate Skyloft will add four ounces finished wing know won t bend will hurt yourself trying break After have done top bottom board take core roll tack coat side puffing down first Assemble bottom board core bottom block Roll tack coat top core assemble top sheet top block Set side add some weight keep things moving around Skyloft composite things really want slip slide Repeat process other wing panel Now can either place composite flat surface stack weights place squeeze board press Before start puffing pressure composite line up pen lines made remember first thing did ensures full contact core sheeting setting composite flat surface stacking 100 pounds weight need add another 75-100 pounds use squeeze board puts 200-300 pounds pressure composite also dont need wet Skyloft much pressure forces epoxy Skyloft both sides remember tack coat core have never wing skin delaminate doing use squeeze board press measure core assembly before start draw alignment lines Measure end middle write numbers down Add 3/to tip bottom sheeting subtract tA2 number thickness compress composite will need wrench measure leading trailing edge end middle compress composite numbers wings always come out straight soit must working right Let set 36-48 hours eight hours epoxy may gelled set can still move 24 hours some epoxies totally stable takes about seven days Northeast can take months years next century epoxy totally set up can safely work after 36-48 hours gives time move tail section firewall After epoxy sets remove composite composites really just carbon-fiber fiberglass squeeze board take weights off remove wing panels Dont get excited start flexing panels Continued page 101 five minutes can upgrade stan dard FutabaorAirtronics servosto ball bearing servos new EMS Ball Bearing Conversion Kit New case tops accurately molded super tough glass filled fuel-proof Celcon include top quality stainless steel ball bearing servo output shaft * Stops case top and/or plastic bushing wear * Prevents output gear shaft shimmy * Reduces friction improves servo centering * Enhances performance airplanes boats & cars * Mandatory helicopter servos * Free output arm provided case top * Guaranteed against breakage year * Why pay $3995 $2995 BC-iFits FUTABA 528/5128 S38/S138 orS48/S148 Servos set 4$2595 -2As above set oft$695 -3Fits AIRTRONICS 94t02 Servos set 4$2595 usu-4As above set 1$695 I8BC-5 Ball Bearing Only JR 501 507 RCD APOLLO 05 10 FOCUS HS300 HS500 ACE 330342 342HS TOWER TS-5 1 Servos set 4$1995 Add $300 Shipping Handling orders 714 692-1393 Info Only* california Realdenta Add 775% Salca Tas 800 845-8978 Orders OnlyVISA MASTERCARD Accepted PLUG-IN WING ADJUSTER KIT New Improved Wing Adjuster very strong rigid also light weight Use two adjusters wing panel key panel fuselage allowing quick accurate alignment straight flight 4-Pack both wing panels $1295 GLASS CLOTH 7 oziSq Yard Fastest Filling Closest Weave Lightest Finished Weight Includes Detailed Instructions Big 3 Square Yard Pkg$895 GATOR WING TUBE AND SOCKET SETS Aluminum alloy tubing plug-in wings Includes special slip-fit phenolic sockets build wing panels Special lengths order 7/16 dia x 2 ft precision fit sockets$695 5/8 dia x 2 ft precision fit sockets$1095 7/8 dia x 2 ft precision fit sockets$1195 1-1/4 diax2ft$995 1-1/2diax3ft$1495 PLUG-IN ADJUSTABLE STAB KIT Now can optimize stab incidence best flight characteristical pair glass-filled nylon adjusters included provide simple quick micro screw adjustment smaller front stab tube Main tube alloy aluminum matching phenolic socket Complete Package$995 3713 Pompano Drive Pensacola FL 32514 Phone 904 494-0203 RIC Products Inc Z VlSAlMasterCard Welcomed $450 per item S&H esidents add 6% Tax D IIlfl TUIIIUflITI&ANOTHER uEEEuEEu ~ JIM BestSCALE SEMI-KIT of~ 0Complete & Partial Kits AcurateREE CA TALUSWile nians Only $200 Best30 s ratedalso available FUR TRAMPhone information Top OaanaRETRACTS Contenders oea $175Scale Ilishi naming manual avalabie $500 Basa py Oct tonPlans tsr scale retracttailPLANS$4000 wheel availableI RAZOR CANOPYSEND TO Approa material cost $150 -Removable cockpit Iloor pilot seatBUBBLE CANOPY$4500 -5 Sheets relied plans -scale gear struts availasle FORMED RAZOR BACK $1500 Jim Meinter 36o48 50 -Flaps shown COWL 500 5319 NC 49 -Complete instroctioos -Hard make shapes FREE SHIPPING Mebane NC 27302 -Two piece wino designavailable plastic CATALOG19101 5623700 -Oteratins intercoden doors TOTAL y1996 97 YOLJrSCALE HEADQUARTERS Large Model Fun Easy Way Engineered Lazy Builders 5l5LE MUSTANG CORSAIR SPITFIRE MLII LE Akwndmoih St Q lllll RC Pylon RacinglHager Continued page 97 probably will flex wait until get wing finished gives epoxy time cure disturbing Complete wing point As said beginning article way sheeting wing works us doing mass production Drew have said takes too much time Others saying too much weight necessary wings coming out straight weight have wing failure yet dont think stuff adds strength try breaking panel David Layman did broke part garage-door frame promised JP Hanways Thompson Trophy Racer hoping full-blown building article what got JP said seen what thought interest yet project build airplane compete Thompson Trophy class 1995 Galveston model air races problem pick airplane would competitive easy build first criteria meant airplane must have inline engine no flying wires second criteria dictated airplane low-wing monoplane slab-sided fuselage fairly straight lines After about month research soul searching selected Keith Rider R-4 aka Schoenfeldt Firecracker Although best-looking airplane met criteria better other aircraft found R-4 built Keith Rider around 1935 campaigned 1936 air-race circuit compared faster racers era pretty much dog Two years later Schoenfeldt purchased aircraft cleaned up airframe some fitted Menasco Super Buccaneer 250 hp engine NEED SCALE DOCUMENTATION Antiques Military Civilian Helicopters Sailpianes whIt hirgest aircraft documentation collection 5800 different full color photo studies 1905-1996 33000 3-view line drawings New 1996 Catalog/Guide 1188 pogesl $1000 Only $8$1500 Bob Banka w Scale Model Research Yukon Avenue a Mesa CA 92626 979-8058 RT CARD ON HINGES After ten years everybody thinks schools out hinges Lets grade competition see needs classes EASY HINE-E what look CA hinge Experience no can match SIGs 10 years development use Hinge Correct thickness achieve balance between strength durability flexibility ease assembly No holes slots weaken hinge Special surface treatment secure grip facing comes off hinge will come Out Facing Thin easy insert hinge Treated CA wicks across whole hinge wood Processed retard CA cure time correct mistake just surface bonds ALL surface bonds MATERIALS ThAT REALLY WORK- EVERY TIME FOR LONG TIME Dont depend luck depend SIG EASY HINGES first stilt best nane CA hinges SH-710 Pkg 24 S29 Materials Total es rather ordinary item critical life model Dont save buck hinges crash use SIG EASY HINGES confidence SIG Easy Hinges DB D GP B C F GB ST Hinge ThicknessAAAABAB TearStrengthAAAABAB Surface TreatmentAFFFFFF D n 4 D 0 D HI IOLIJ otsorHolesAAAAADD Glue Action WickinciAABFFFF Delayed Cure Average Grade A C 0 C BF C F CF CF D SIG MFG CO INC 401-7 So Front St Montezuma IA 50171 623-5154 May1996 101 ITS REAL ROLLING HANGAR i WELLS CARGO Rolling Hangar works serious RC Model Pilot get great weatherproof transport convenient safe storage Bird wings spare props radio organized ready go Buzzin anytime weatherman says OK models ranging 6 48 theres WELLS RGO trailer just right Plus get 3-Year Warranty am really works CALL TOLL-FREE 1 -800-348-7553 Literature Prices & Nearest Dealer HOT BOX FLIGHT SUPPORT h 1938 fared much better races still no cigar 1939 new wing built engine rewired now 4J90 hpthey cooking gas Firecracker probably fastest pre-Worid War Hair racer would have easily won Thompson LeVier lost track other airplanes easily understandable seeing LeVier hold full down takeoff because tailheavy condition caused extra fuel can-ied complete extended race Just flying little airplane took total concentration some rather large body parts first step building model draw some plans wing waseasy because has straight taper round tips extract measurements set three-views ajifoil same used Ed Rankins Shoestring draw fuselage transparency made using overhead projector drew outline top side views drew structure departures scale alifoil addition 10% tail surfaces based suggestions two aeronautical engineers know numbers ran did indicate scale size should sufficient structure Firecracker fairly simple think large Lite Ply Quickie 500 2 plywood turtledeck stringers fiberglass cowl slipped over nose nothing special about wing either does have strong spar large landing gear plates mounted half-ribs does fly Just fine its fast too prototype Firecracker powered Precision Eagle 42 cubic-inch engine burning alcohol fitted twin C&H racing ignitions two spark plugs retracts Century Jet Models Inc both work flawlessly originally intended offer kits racer after giving out whole bunch brochures Galveston Ive serious inquiry interested give call 214 625-2705 Kits may still happen See Galveston April end racing season Regional Championship races will print next issue THE FNGINF IGNfl ION OF THE FUTURE IS HERE NOW CALL FOR EXCITING lETAILS ON POWER PEAKING YOUR QUADRA OWN THE MOST STATE OF THE ART ACCESSORIES AND ENGINES IN THE WORLD TODAY CALL FOR SPECIAL PRICES ON YOUR ENGINE AND IGNITION NEEDS MEISTER SCALE 6319 NC 49 MEDANE NC 27302 PHONE/FM 910 562-3700 102 Model Aviation Rubber Backing Film Fabric Prevents slipping Straight Edge * 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 Product No FOR 155Length 1 Meter 3936 inchesPrice $1495 Product No FOR 156Length 1 FootPrice $695 FOURMOST PRODUCTS Look other great products Fourmost nearest hobby dealer direct orders include $350 shipping -4040 24th Avenue Forest Grove OR 97116 s Off Knees 3001b Seat CapacIty nded Scale Volbneter Monitor RX TX Charge matic Glow Plug Driver MPI Super Power Panel Lighteo Fused Master Panel Control Swltcha NIcad Glow Battery Charger 12v Starter Outlet t 12V Glow Fuel Pump /Drain Switch wn Fuel Storage Platform Fuel Bottle #Holds 2 12V-7amp Gell Cell Batteries Sure Starts Automatlcally Monitora Charge Status 12v Battery Enough Storage Carry/Store 4 Transmitlers 5 Compartment Llfft Prop Storage Tray u itd Plasfaraiaaeged TOLL FREE 1-800-468-2692 Mar West aL Co Inc 3339 Fitzgerald Rd Suite 1 Rancho Cordova CA 95742 TEL 916 961-4703 FAX9I6 983-1923
Edition: Model Aviation - 1996/05
Page Numbers: 94, 97, 101, 102
RADIO CONTROL PYLON RACING EflIE HERE WE ARE dead winter people up North storm-andblizzard season Boy watch Weather Channel time year remember some reasons moved Texas Anyway building season thought might interested article Fog Tanner Jr got NMPRA newsletter After several discussions wing construction Nats back district decided put writing Paul Page asked write another articleyou guys can blame him Given 10 racers will normally find five ten different ways doing same thing Most work some time some work time some work guy whos doing Phreds Law Mechanics Its learning things makes racing fun challenging way CRS Racing sheet wings works us several other people time Its way works Everyone always looking ways save wing weight have strong wing mutually exclusive terms speeds running today long wings have necessitated changes way built wings ten years ago started using carbon fiber various stress areas years ago cureall strength wing still good wood used use light wood get wimpy wing emulates bird flight Great trying impress bird-watcher opposite sex conducive high speeds fast times use heavy wood get wing doesnt bend can used shovel doesnt want stop rolling So thats some airplanes roll up nice others over-roll Newtonian mechanicsinertia offset light wood current airplane has five-pound wood get stiff wing have started using Skyloft Skyloft unwoven nylon fabric similar texture silkspan available Dave Brown sold covering applied dope over outside wing person know has actually covered wing David Layman said two times first last fuzzes up sand OK like fur-covered dashboards David also suggested using Skyloft building wing sand So use stuff cant sand inside between foam sheeting start taking foam cores blocks cut place building board take square right triangle draw pen line end middle front back alignment lines use later Next take foam cores measure landing gear plate located transfer back plate top wing cant measure over top wing curved will come up short Assemble cores back blocks set flat surface use square transfer line top core top core use straightedge draw line parallel leading edge out 18 inches am going sweep wing back DeNight Polecat measure difference leading edge eighteen inches draw line point two cores placed together should have stralght line perpendicular center line going glue back landing gear plate has right Next step radial arm saw place core top side up set old blocks have stack Next lay straightedge down line Ive drawn slide up blade straightedge needs contact front back blade Make sure going cut back side line side towards trailing edge After everything looks good cut 18inch slot through core Repeat other core Make up two spars out basswood spruce Forget 1/g plywoodit creates too much stress riser basswood spruce will bend little building wood composite can minimize bending spars also tie top bottom skins together real strength lies know several people have used hard /s balsa plywood doesnt bend causes skin push out bottom during turns use Gluit Pica glue spars aliphatic glue will work need light film globand wipe off excess Place two toothpicks about 1 /2 inches both sides spar Use rubber band around toothpicks hold tension keeps cores separating Place 24 x 20 strip waxed paper cores over spars top bottom assemble back blocks place flat surface Stack some weight use 60 pounds because have composite let glue set ensures spar will glued straight cores cores will separate sheeted drying glue wing sheeting together weigh sheeting assemble four stacks right- left-hand stacks weighing same heaviest wood can bend goes top leading edge heaviest wood cant bend goes bottom leading edge glue four boards Again use Gluit sandablecyanoacrylate CyA glues leave hard line will eventually show Put sheets together run 3/4 masking tape seam Flip sheets over open sheets up two time form inverted V Run thin bead glue joint lay flat wipe off excess let dry Repeat sheets dry remove tape lightly block-sand seams 180-220 grit sandpaper Next lay out cores over wing sheeting easiest way assemble block board core mark leading trailing edges add /s- depends time night amount coffee make some trim marks repeat boards cut Mark location ie top left bottom left etc strongest way lay out wing sheeting according EAA cost little speed business nickel-and-dime Take Skyloft lay out over boards Mark Skyloft border foam cores cut scissors Mark board goes repeat other three boards Now youre ready put wing sheeting what doing epoxy thing use Contact cement great laying tile leaves something desired wing construction use E-Z Lam Aerospace Composites 60-minute hardener gives plenty working time David Layman found best thing apply epoxy cheap three-inch touchup roller made Shur-line $175-$2 area get use out sleeve replacement sleeves two $150 Lay out piece plastic thats six inches larger sides wing Depending epoxy use mix up two ounces 1 Some 60-minute epoxies will gel about fifteen minutes mixed large volume Its best short side have composite set up before youre through can mix epoxy bet cant peel sheeting off start over knowIve tried mix up 1 first half ounce second half Only 125 15 ounces total goes wingAfter epoxy mixed pour some roller little plastic going lay sheeting Saturate roller like would using latex paint Roll out thin glue film over board keeping may get thick layer start just roll 94 Model Aviation You can roll excess another board Repeat operation second board Make sure keep adequate amount epoxy roller board After spread epoxy over boards lay out Skyloft respective panels Skyloft may wrinkle little may have smooth out hands Roll off excess epoxy plasticyou just want damp Roll wrinkles out Skyloft dont add epoxy just get damp try saturate Skyloft will add four ounces finished wing know won t bend will hurt yourself trying break After have done top bottom board take core roll tack coat side puffing down first Assemble bottom board core bottom block Roll tack coat top core assemble top sheet top block Set side add some weight keep things moving around Skyloft composite things really want slip slide Repeat process other wing panel Now can either place composite flat surface stack weights place squeeze board press Before start puffing pressure composite line up pen lines made remember first thing did ensures full contact core sheeting setting composite flat surface stacking 100 pounds weight need add another 75-100 pounds use squeeze board puts 200-300 pounds pressure composite also dont need wet Skyloft much pressure forces epoxy Skyloft both sides remember tack coat core have never wing skin delaminate doing use squeeze board press measure core assembly before start draw alignment lines Measure end middle write numbers down Add 3/to tip bottom sheeting subtract tA2 number thickness compress composite will need wrench measure leading trailing edge end middle compress composite numbers wings always come out straight soit must working right Let set 36-48 hours eight hours epoxy may gelled set can still move 24 hours some epoxies totally stable takes about seven days Northeast can take months years next century epoxy totally set up can safely work after 36-48 hours gives time move tail section firewall After epoxy sets remove composite composites really just carbon-fiber fiberglass squeeze board take weights off remove wing panels Dont get excited start flexing panels Continued page 101 five minutes can upgrade stan dard FutabaorAirtronics servosto ball bearing servos new EMS Ball Bearing Conversion Kit New case tops accurately molded super tough glass filled fuel-proof Celcon include top quality stainless steel ball bearing servo output shaft * Stops case top and/or plastic bushing wear * Prevents output gear shaft shimmy * Reduces friction improves servo centering * Enhances performance airplanes boats & cars * Mandatory helicopter servos * Free output arm provided case top * Guaranteed against breakage year * Why pay $3995 $2995 BC-iFits FUTABA 528/5128 S38/S138 orS48/S148 Servos set 4$2595 -2As above set oft$695 -3Fits AIRTRONICS 94t02 Servos set 4$2595 usu-4As above set 1$695 I8BC-5 Ball Bearing Only JR 501 507 RCD APOLLO 05 10 FOCUS HS300 HS500 ACE 330342 342HS TOWER TS-5 1 Servos set 4$1995 Add $300 Shipping Handling orders 714 692-1393 Info Only* california Realdenta Add 775% Salca Tas 800 845-8978 Orders OnlyVISA MASTERCARD Accepted PLUG-IN WING ADJUSTER KIT New Improved Wing Adjuster very strong rigid also light weight Use two adjusters wing panel key panel fuselage allowing quick accurate alignment straight flight 4-Pack both wing panels $1295 GLASS CLOTH 7 oziSq Yard Fastest Filling Closest Weave Lightest Finished Weight Includes Detailed Instructions Big 3 Square Yard Pkg$895 GATOR WING TUBE AND SOCKET SETS Aluminum alloy tubing plug-in wings Includes special slip-fit phenolic sockets build wing panels Special lengths order 7/16 dia x 2 ft precision fit sockets$695 5/8 dia x 2 ft precision fit sockets$1095 7/8 dia x 2 ft precision fit sockets$1195 1-1/4 diax2ft$995 1-1/2diax3ft$1495 PLUG-IN ADJUSTABLE STAB KIT Now can optimize stab incidence best flight characteristical pair glass-filled nylon adjusters included provide simple quick micro screw adjustment smaller front stab tube Main tube alloy aluminum matching phenolic socket Complete Package$995 3713 Pompano Drive Pensacola FL 32514 Phone 904 494-0203 RIC Products Inc Z VlSAlMasterCard Welcomed $450 per item S&H esidents add 6% Tax D IIlfl TUIIIUflITI&ANOTHER uEEEuEEu ~ JIM BestSCALE SEMI-KIT of~ 0Complete & Partial Kits AcurateREE CA TALUSWile nians Only $200 Best30 s ratedalso available FUR TRAMPhone information Top OaanaRETRACTS Contenders oea $175Scale Ilishi naming manual avalabie $500 Basa py Oct tonPlans tsr scale retracttailPLANS$4000 wheel availableI RAZOR CANOPYSEND TO Approa material cost $150 -Removable cockpit Iloor pilot seatBUBBLE CANOPY$4500 -5 Sheets relied plans -scale gear struts availasle FORMED RAZOR BACK $1500 Jim Meinter 36o48 50 -Flaps shown COWL 500 5319 NC 49 -Complete instroctioos -Hard make shapes FREE SHIPPING Mebane NC 27302 -Two piece wino designavailable plastic CATALOG19101 5623700 -Oteratins intercoden doors TOTAL y1996 97 YOLJrSCALE HEADQUARTERS Large Model Fun Easy Way Engineered Lazy Builders 5l5LE MUSTANG CORSAIR SPITFIRE MLII LE Akwndmoih St Q lllll RC Pylon RacinglHager Continued page 97 probably will flex wait until get wing finished gives epoxy time cure disturbing Complete wing point As said beginning article way sheeting wing works us doing mass production Drew have said takes too much time Others saying too much weight necessary wings coming out straight weight have wing failure yet dont think stuff adds strength try breaking panel David Layman did broke part garage-door frame promised JP Hanways Thompson Trophy Racer hoping full-blown building article what got JP said seen what thought interest yet project build airplane compete Thompson Trophy class 1995 Galveston model air races problem pick airplane would competitive easy build first criteria meant airplane must have inline engine no flying wires second criteria dictated airplane low-wing monoplane slab-sided fuselage fairly straight lines After about month research soul searching selected Keith Rider R-4 aka Schoenfeldt Firecracker Although best-looking airplane met criteria better other aircraft found R-4 built Keith Rider around 1935 campaigned 1936 air-race circuit compared faster racers era pretty much dog Two years later Schoenfeldt purchased aircraft cleaned up airframe some fitted Menasco Super Buccaneer 250 hp engine NEED SCALE DOCUMENTATION Antiques Military Civilian Helicopters Sailpianes whIt hirgest aircraft documentation collection 5800 different full color photo studies 1905-1996 33000 3-view line drawings New 1996 Catalog/Guide 1188 pogesl $1000 Only $8$1500 Bob Banka w Scale Model Research Yukon Avenue a Mesa CA 92626 979-8058 RT CARD ON HINGES After ten years everybody thinks schools out hinges Lets grade competition see needs classes EASY HINE-E what look CA hinge Experience no can match SIGs 10 years development use Hinge Correct thickness achieve balance between strength durability flexibility ease assembly No holes slots weaken hinge Special surface treatment secure grip facing comes off hinge will come Out Facing Thin easy insert hinge Treated CA wicks across whole hinge wood Processed retard CA cure time correct mistake just surface bonds ALL surface bonds MATERIALS ThAT REALLY WORK- EVERY TIME FOR LONG TIME Dont depend luck depend SIG EASY HINGES first stilt best nane CA hinges SH-710 Pkg 24 S29 Materials Total es rather ordinary item critical life model Dont save buck hinges crash use SIG EASY HINGES confidence SIG Easy Hinges DB D GP B C F GB ST Hinge ThicknessAAAABAB TearStrengthAAAABAB Surface TreatmentAFFFFFF D n 4 D 0 D HI IOLIJ otsorHolesAAAAADD Glue Action WickinciAABFFFF Delayed Cure Average Grade A C 0 C BF C F CF CF D SIG MFG CO INC 401-7 So Front St Montezuma IA 50171 623-5154 May1996 101 ITS REAL ROLLING HANGAR i WELLS CARGO Rolling Hangar works serious RC Model Pilot get great weatherproof transport convenient safe storage Bird wings spare props radio organized ready go Buzzin anytime weatherman says OK models ranging 6 48 theres WELLS RGO trailer just right Plus get 3-Year Warranty am really works CALL TOLL-FREE 1 -800-348-7553 Literature Prices & Nearest Dealer HOT BOX FLIGHT SUPPORT h 1938 fared much better races still no cigar 1939 new wing built engine rewired now 4J90 hpthey cooking gas Firecracker probably fastest pre-Worid War Hair racer would have easily won Thompson LeVier lost track other airplanes easily understandable seeing LeVier hold full down takeoff because tailheavy condition caused extra fuel can-ied complete extended race Just flying little airplane took total concentration some rather large body parts first step building model draw some plans wing waseasy because has straight taper round tips extract measurements set three-views ajifoil same used Ed Rankins Shoestring draw fuselage transparency made using overhead projector drew outline top side views drew structure departures scale alifoil addition 10% tail surfaces based suggestions two aeronautical engineers know numbers ran did indicate scale size should sufficient structure Firecracker fairly simple think large Lite Ply Quickie 500 2 plywood turtledeck stringers fiberglass cowl slipped over nose nothing special about wing either does have strong spar large landing gear plates mounted half-ribs does fly Just fine its fast too prototype Firecracker powered Precision Eagle 42 cubic-inch engine burning alcohol fitted twin C&H racing ignitions two spark plugs retracts Century Jet Models Inc both work flawlessly originally intended offer kits racer after giving out whole bunch brochures Galveston Ive serious inquiry interested give call 214 625-2705 Kits may still happen See Galveston April end racing season Regional Championship races will print next issue THE FNGINF IGNfl ION OF THE FUTURE IS HERE NOW CALL FOR EXCITING lETAILS ON POWER PEAKING YOUR QUADRA OWN THE MOST STATE OF THE ART ACCESSORIES AND ENGINES IN THE WORLD TODAY CALL FOR SPECIAL PRICES ON YOUR ENGINE AND IGNITION NEEDS MEISTER SCALE 6319 NC 49 MEDANE NC 27302 PHONE/FM 910 562-3700 102 Model Aviation Rubber Backing Film Fabric Prevents slipping Straight Edge * 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 Product No FOR 155Length 1 Meter 3936 inchesPrice $1495 Product No FOR 156Length 1 FootPrice $695 FOURMOST PRODUCTS Look other great products Fourmost nearest hobby dealer direct orders include $350 shipping -4040 24th Avenue Forest Grove OR 97116 s Off Knees 3001b Seat CapacIty nded Scale Volbneter Monitor RX TX Charge matic Glow Plug Driver MPI Super Power Panel Lighteo Fused Master Panel Control Swltcha NIcad Glow Battery Charger 12v Starter Outlet t 12V Glow Fuel Pump /Drain Switch wn Fuel Storage Platform Fuel Bottle #Holds 2 12V-7amp Gell Cell Batteries Sure Starts Automatlcally Monitora Charge Status 12v Battery Enough Storage Carry/Store 4 Transmitlers 5 Compartment Llfft Prop Storage Tray u itd Plasfaraiaaeged TOLL FREE 1-800-468-2692 Mar West aL Co Inc 3339 Fitzgerald Rd Suite 1 Rancho Cordova CA 95742 TEL 916 961-4703 FAX9I6 983-1923
