NO OCR TEXT winter snow e crafts unique features ea y eiuIe fume ogmejimes isa Dipianeas high sijeco GonTigurailon aDOve rhe projections upperwing trailing edge nearthe tips brass low-speed limittabs forthe lowerwing Odd wedge-shaped wing tips actually ailerons strip ailerons upper wing actually wing flaps will obvious other views low-speed flight C-i becomes monoplane deeply cambered wing set ata high angle incidence T-tsil neededto keepthe horizontal stabilizer Out massive downwash wing configuratloni White rectangle fuselage top outlines removable access hatch Ditto white stripe around aft end around windshield THE Coronel C-i Transverse Wing Aircraft radio-controlled aircraft designed initially flight test new concept variable high-speed high-lift airfoils concept designed create new class high-performance aircraft short takeoff landing capabilities Types aircraft capable being produced within class can range supersonic transports fighters subsonic aircraft capable landing extremely limited locations Today pro duction aircraft compromise designs lift-sustaining airfoils main set wings designed operate maximum minimum speeds aircraft operate maximum efficiency either extreme Coronel Transverse Wing concept pro poses aircraft can operate maximum efficient speeds withtwo sets ofwings biplane thin short symmetrical airfoils produce minimum drag higher speeds arrange ment need produce drag compro mise designs may indeed produce less since original airfoils will designed high speeds low speeds High-lift devices such Fowler flaps cannot incorporated thin supersonic airfoils due lack room stress supporting surfaces Therefore high lift subsonic speeds lower Transverse set wings system will tilt axis parallel trailing edge upper primary wing until trailing edge upper wing flap meets locks against leading edge lower wing Thus high-lift-producing subsonic airfoil produced two supersonic airfoils order determine practicability con verting two high-speed airfoils flight author constructed RC aircraft radio-operated transverse wing system installed aircraft once successful would serve two important functions 1 would prove aircraft two independent high-speed wings ingenious testing methods using radio-control highly modified Midwest Strikemaster proved full-scale purposes high-speed biplane can converted flight high-lift monoplane extremely slow speeds can obtained aircraft designed high-speed airfoils Paul Dennis Coronel 64 Model Aviation TRIM 3 OFF IT WiNG / N ySOLL /IALENON MINORIWIWAD AlL EORTROL IN1CORTRGL AWING FOAM SLOTASS NOD UUTS aT AL WING TIP VIEW AlL SANYO __________SIDE YEW PRMDINY RING FLAP PLY EDGE FUSELAGE T VIEW IPLYWOOD RIR-t 3/BWASS TUaNG- 1 TRANSVERSE WIIIGiWILT UP BALSA ON FOAM CONGTI ILEFT SIDE SIIOWNI TNAMYEI01E WING FLAP II HORONTAL STA8IUZERELEV IWIWESTSSWAIAS7IW ELEY CONTROL COYER LNZJ PRIMARY WIRO FOG 45 MILINIED LPRIGIT5151 LPT TILT MT T / -J FLAT BOTTOMED AJRFLR 1451 SPANS WING FUSELAGE SIDE VIEWTILT LINT LOCK / PLYWOOD BOTTOM HATOI COVERROLT TO lOT TRIANGLE STOCK 2-I/ IGIGE NYROD7MW SALDOWEL INS I-TIIRIISYKIIGE WING FLAP CONTROL HORN \ V1154 UFT PORTION TNMSW WING FLAP CONTROL NODTAIL HATCH MOJGTING TABS XIBCLT L 0 TOREMOYADEE TAIL ~ATO1 COVENHATCH LONGING GEAR 2-I/2 INlEELS May 1980 65 ENGINE 40 TO 45 CORONEL C-I ODGIONED BY RGJA CORONEL ORAWING BY JUE GEMARCO Detail transverse wing pivot bearing projects through fuselage side high-speed tab stop horizontal stripe just above white arrows crossed white stripes show wing positions forthe high- low-speed positions Note RC switch battery charging plug Landing gear strut bottom elevator control horn its removable cover left wing-tip aileron right-bank position Anotner view winglip aileron auxiliary area-increasing cover shown just left auxiliary cover needed could converted monoplane high-lift-producing wing remaining stable flight 2 would reduce practice prove practical feasibility new concept patent purposes Much thought put design Coronel Transverse Wing-equipped RC experi mental aircraft author did considerable research present kits available might suitable project After investigating numerous literature catalogs author deter mined following design parameters should prevail 1 aircraft should designed util ize powerplant 40 cu range would allow aircraft built sufficient power necessary desired flight character istics would aiso provide aircraft sufficient fuselage space mechanical components power wing tilting system 2 basic aircraft design should high-wing monoplane requirement stems necessity locate secondary transverse wing below rear primary wing Since addition second set wings behind original set would change center gravity aircraft fuselage would have lengthened 3 finest components con struction should sought minimize probability type failure affecting flight aircraft 4 well-designed kit redesigned meet specifications 66 Model Aviation Look movable surfaces low-speed wings/flaps configuration Note position flap horn bottom wing also flap deflection upper wing raum U 32 years orna noias acneaor ana Masters de grees University Hawaii currently Doctoral candidate University Wisconsin Madison has seeking solutions tothe high-speed high-liftairfoll con fiictforl5years also conducting research alternative fueled aircraft engines Thisisthe hgn-spuowngsrapsungura.un nutunu pusuuru vi ruuunnru wings flap position upper wings flap Detail transverse wing pivot bearing block attachment transverse wing actuator servo again time low removable joiner its self-locking pins control arm speed position Note reinforced pushrods aircraft would considerably reduce construc tion part-locating time Midwest Products Company initially identified kit selection since line pro duction kits included two aircraft appeared meet specifications project Designer Jim Newman Midwest contacted agreed furnish plans two aircraft produced author found design Strikemaster possess qualities desired conversion experimental aircraft Kraft-manufactured Tower Hobbies 6channel radio selected purchased four KPS 15 servos transmitter receiver proportional 5th channel well suited operate transverse wing actuation system high-torque 1800 KPS 16 servo operate transverse wing tilting system purchased directly Kraft powerplant aircraft obtained using newly introduced Fox 45 cu Schnuerle-ported engine engine produced 1 horsepower proved faultlessly reliable little break-in period obtained Since flight testing occurred late winter muffler utilized engine control combustion temperature thus preventing glow plug cooling Since author inventor-designer little flight experience pilot aircraft sought Mr John Lusk president Madison Area Radio Control Society MARCS Madison Wisconsin agreed participate project pilot advisor Mr Ralph Bethke Madison Wisconsin volunteered pilots assistant Once aircraft kit major components selected obtained redesign con struction aircraft began initial section constructed primary upper fixed wing foam wing cores shortened 3 wing tip total 6 bottom curved surface foam cores shaved off belt sander leaving flat bottom slot aileron control rods cut bottom foam cores slot milled Y2 router bit depth wing cores next joined together square hole cut bottom center core unit future placement aileron control servo Four metal bearings next constructed -wide brass strips Detail transverse wing servoactuator associated linkage End servo arm hidden left fuselage side Note upper wing flap also actuated servo opposite end servo arm Shown high-speed position May 1980 67 view somewhat misleading removable tail cone showing easy access rudder horn Note keying dowels mount ing tabs retaining screws just beIow arrows point actuation rod transverse wings flaps exits fuselage side Just slightly above wood high-speed tab stop forthe transverse wing picture gives another good look articulation two sets flaps Detail removable bottom hatch landing gear attached n nIgr1-peuo dirloil IonhIgurduon ijujei Un up IWIfl rIU tI1 wing-tip aileron seen edge-on low-speed airfoil section left wing-tip aileron seen edge-on drilled aileron control rod bearing center brass bearing mounts 2 length inboard bearings 3 length wing tip bearings e brass tubing bearing soldered tubing interior diameter 3/32 brass aileron control rods Control levers 1 length next constructed soldered inboard end aileron control rods control levers drilled upper end installation Du-Bro 1/16 threaded ball links inboard brass bearing mounts epoxied 1/16 thick piece ofplywood approximately 3 length Outboard bearing mounts epoxied 4 length plywood Slots cut foam core er wing seam inboard brass bearings wood mounts Slight depressions wing tips foam cores hollowed wing tip wood bearing mounts could epoxied flush finish aileron bearing wood mounts attached bearings control rods next epoxied foam core wing skins attached leading trailing edges mounted pre-finished Fulllength wing flaps mounted trailing edges flaps replaced normal strip ailerons usually mounted location What would normally aileron control horns converted flap control horns would later connected KPS 16 servo via reinforced control rod wing flaps installed Cooney Gapless Hinges other hinged surfaces author cannot underestimate quality compatibility convenience product Because numerous flaps used Trans verse Wing System product other helped success project technical assistance received Foremost Racing Products Forest Grove Oregon installation hinge appreciated hinges installed help gapless hinge slotter device runs length edge slotted device cuts slot pre-determined depth within pre-set width hinge inserted pinned place cyanoacrylate adhesive allowed flow along edge strip hinge edge Capillary action carries cement joint secure permanent installation wings finished off using standard pro cedures included mounting fiberglass reinforcing tape mid-seam combination MonoKote Solarfilm used cover wing heat sensitive coverings capable being applied directly Cooney Gapless Hinge resulting clean appearing virtually friction-free hinge attractive-appearing wing Design aircraft required interior components fuselage readily accessible moments notice emergency adjust ments repairs Therefore unusual number access hatch doors designed air craft Strikemaster fuselage its welldesigned laminated sides well suited conversions no loss strength Construction fuselage proceeded accord ing Strikemaster plans following conversions 1 wood engine mounts discarded favor Kraft fiberglass 40-size mount slightly enlarged accept Fox 45 engine 2 Upper sheeting behind primary wing discarded favor plywood removable access hatch cover cover allowed access installation adjustment transverse wing mechanical actuation system 3 wire landing gear discarded favor HalIco heavy-duty landing gear unit Continued page 121 68 Model Aviation i-1 s engine installation Fox Schnuerle-port 45 Kraft mount Cowl carved balsa help belt sander Moto-Tool Coronel has high praise engines power reliability Goldberg spinner Top Flite nylon prop Hatch access fuel tank nose t-1 ready for e muffler added primarily keep engines combus tion temperature up during winter operation research vehiclenot sport flier HOT STUFF' THE ORIGINAL HOBBY CYANOACRYLATE ADHESIVE just way YOU want HOT STUFFM ORIGINAL CLEAR FORMULA low viscositydeep penetration INSTANT BOND RATE 3 10 sec started 142 GR oz395 7 GR z225 567 GR 1200 HOT STUFFM GAP FILLING EU LINEEFILLETING POSITIONABLE EXCLUSIVE VISIBLE FORMULAHIGH VISCOSITY low viscositydeep penetrationTIMED BOND 10 25 sec INSTANT BOND RATE 3 10 secUse like regular glue wait 142 GR oz 495142GR Z 7 GR oz 5 ALL u AT YOUR DEALERS NOW 567 GR 2 oz 1200 HOT STUFFM ezt*i2&5e Oe9 PO BOX 836 VALLEY CALIFORNIA USA e 805 522-0062 frequently fly brush-covered riverbed felt puncture resistence Mono Kote worth slight bit added weight Besides looks great works easily over compound curves outer ends wing stabilizer fly favorable environment use lightweight Silkspan 00 Japanese tissue youll save few grams covering fuselage bottom first sides top finally pylon cover sequence overlaps will face downward leaving no ridges fuel settle fuselage covered temporarily stick round toothpicks holes fire wall paint whole front end epoxy will completely fuelproof built wing panels flat its during covering induce warps use MonoKote just iron twisting panel applying heat cooling rapidly cover paper setting warps little laborious since youll have shim after coat 50/50 dope rest panel pinned weighted down landing gear always pain LG California Kid no exception although its less troublesome like can bend two pieces wire LG however made up four pieces assembled two units plug aluminum tubes side fuselage secured little epoxy Whichever way choose go Id recom mend fastening rear legs front ones method Bend wires correct shapes glue together just dab epoxy has dried bind joints thor oughly copper wire Now take epoxy rub over through wire tech nique works fine plane weight Flying Now comes moment truththe first flight before ever leave home sure wing warps match plan CG correct location incidence wing stabilizer built correct angle want avoid flyaway youll have run some experiments fuel consumption might well home too Begin running engine enough warm up thoroughy take eyedropper short length fuel line end draw small amount fuel can squeeze empty tank 020s misers doesnt require much adjust needle valve setting youll using flight start engine time long runs have determined what amount fuel good say 20-second engine run make some kind mark dropper neck future reference procedure works fine about 50% time would nearly foolproof except fact reed valve englnes just happy running backwards forward start backwards least half time use starting spring supplied englne odds will improve considerably Now Out flying field mythical place deep grass no breeze some test glides Youre am- ing smooth flat glide will land about zi feet front plane dives down far short mark shim up rear stab 1/32 time until diving tendency disappears Keep adding negative incidence stab until plane begins stall back offjust bit should set go couple final notes glide First certain release correct plane should leave hand slight downward angle release nose high will stall no matter well poorly adjusted second plane seems exhibit tendency dive stall try again again may what observed first time resulted bad launch mist wind Finally youre ready send California Kid up under power commonly used method test new high performance free flight gas ship begin reduced power short engine runs observe carefullymake minute adjustments needed slowly work up optimum trim California Kid method can used initially placing prop backwards reduce thrust riching fuel mixture both reduces power shortens engine run its final trim under full power youll want plane fly up fairly tight right spiral followed transition open right-hand circle hangs prop shim bit downthrust straight-up climb looks sensational usually results horrible transition dips right its first spiral add hair left thrust flies left go hobby store balsa Pylon planes rarely fly left once Good luck California Kid sure light DT fuse flight 3 ounces theres just much reason ever come down C-i /Coronel continued page 68 landing gear bolted plywood access hatch approximately 10 length turn bolted eight bolts belly air craft allowed access hatch landing gear removed unit thus allowing additional service room adjustment tilt control mechanisms radio 4 tail aircraft extended approximately 3 using removable tail cone 3 length designed fuselage allowed rapid ob struction-free access rudder control horn necessary 5 stabilizer converted T-tail configuration necessary tre mendous changes airflow about lower tail portion aircraft could expected actuation transverse wing system elevator control mechanism consisted Nyrod flexible pushrod attached end elevator horn elevator servo other end Installation Nyrod required cutting curved slot top rear vertical stabilizer bottom front allowed Nyrod proceed relatively straight through fuselage servo front rear sections vertical stabilizer pinned wood board Nyrod epoxied full curved length between Thin balsa sheeting next applied both sides vertical stabilizer allowed dry horizontal stabilizer installed top vertical stabilizer ngles joints removable access hatch top elevator covered elevator control horn provided ability adjustment elevator tilt limits tail unit installed additional 3 rear fuselage ngle blocks added joint additional support Care taken give stabilizer zero-zero angle incidence primary wing Both controllable elevator rudder given 20% increase surface area engine cowl turned out diffi May 1980 121 two classics Flyline ITS HERE 111- SEE YOUR LOCAL HOBBY DEALER READY NOW send 25 t catalog 34 span 020 power single channel nc or$1595 free flight OUAKER FLASH Power 39 Wingspan $2495 FLYLINE MODELS INC 2820 OORR AVENUE B ii Farman Moustique FAIRFAX VIRGINIA 22031 703 573-2038 P 0 BOX 2498-MA PeekPy.esLA MOSA CALIF 92041 w HONE 1714 4698675 442-4636 1 cult part fabricate design called cowl constructed one-piece unit completely removable engine attached basic cowl block formed four pieces a epoxied form square box hollowed inside Dremel hand grinder Exterior curves slowly formed belt sander thickness completed unit ranged erior cowl well-coated mixture epoxy alcohol thinned epoxy penetrated deep within wood resulting extremely strong durable unit joints within fuselage double-glued epoxy special bulkhead between fuel compartment radio compartment constructed balsa coated epoxy prevent accidental leakage fuel steer ing nosewheel control linkages installed Sullivan SS-8 fuel tank line filter installed servo tray engine elevator rudder servos along control rods installed Special brass bearings constructed support transverse wings units con sisted 3 X 1W brass plates brass bearing tubes soldered middle s reinforc ing plate soldered approximately e main plate ends reinforcing plate bent down soldered against main plate Numerous holes drilled around edge main plate allow safe secure fastening units interior walls fuselage epoxy Construction transverse wings proceeded basic balsa ribs balsa sheeting Spruce wood stringers added strength top bottom ribs Three plywood ribs made per wing wingpivot supportrods secured against ribs epoxy pivoting rods eter brass rein forcing rods soldered inside end pivoting rods soldered 1 X s plate small holes drilled along edges end epoxied plywood ribs other end pivoting rods extended out inboard transverse wing ends brass bearings fuselage pivoting rods both transverse wings drilled additional drilled brass cover located between bearings would join two transverse wings lock together system self-locking pins Removal locking pins allowed transverse wing slid Out bearing removed trans portation middle brass locking cover soldered brass control arm approxi mately 2 length top control arm Du-Bro 1/16 threaded balilink mounted attached reinforced control rod 1800 KPS 16 servo mounted rear fuselage Positioning transverse wings demanded precise alignment First fuselage measured found perfectly square Next leading edges both transverse wings taped trailing edges primary wing flaps Maximum transverse wing angle 450 marked fuselage Holes drilled fuselage proper location main support bearings epoxied inside walls fuselage Transverse wing-tilt limits high-speed position consisted aerodynamically carved hardwood blocks attached both sides fuselage blocks located leading inboard transverse wing edge would firmly lock down upon felt-covered blocks high-speed position possible since KPS 16 servo actually rotated few degrees beyond its 1800 limits thus preventing unlocking radio com mand High-lift tilt limits consisted felt-covered reinforced brass limit tabs 1 X ied rear primary wing flaps few inches wing tips would contact limit transverse wings tilted maximum high-lift position Care taken during final finishing removable hatches covers identified white strip Goldberg multi-stripe tape placed along edges covers red yellow color scheme selected photographic purposes Maximum minimum wing tilt angles taped sides fuselage degree wing tilt might later identified photographs USA markings selected represent American effort Flight testing C-i occurred March 1st 1979 flight field near Madison Wisconsin Some snow ground air temperature 400 8-mph winds Northeast Pilot John Lusk fueled aircraft prepared flight initial flight aborted aircraft found tail heavy Lead placed nose next flight aircraft lifted off well responded well wing-tip ailerons Altitude gained transverse wings unlocked partially tilted pilots assistant aircraft flew quite well partial tilting transverse wings experienced reduction speed slight nose-down angle Full actuation wing system attempted aircraft experienced tendency roll left suggested specially constructed aileron covers added provide additional lateral stability covers consisted two sheets balsa designed fit over existing ailerons covers increased aileron surface approximately 33% pilot achieved level sustained flight transverse wings full tilt next flight Additional flights conducted afternoon transverse wings successfully tilting various degrees aircraft successfully recovered damage Success aircraft determined fact did achieve flight status trans verse wings successfully tilted maximum returned minimum flight Conclusions drawn flight testing follows 1 transverse wing concept feasible high-speed biplane can successfully converted flight high-lift producing monoplane 2 Extremely slow speeds can obtained aircraft designed high-speed airfoils utilizing Coronel Transverse Wing concept FLY SAFELY 122 Model Aviation Rosie sD&R Power Pod Fits COX T- D & Med 049 051 Engs Rubber Band Screw Mounting Eng mts upright Inverted Running time appx 4 mm Nylon injection moulded Power 3 lb airplanes $595/I total weight 3A oz WE ALSO MAKE BANTAM Servos D&R Sticks Connectors Buikhead Switch mounts rSdasfetY Switch eavy duty gear Wevid ade WRXm5 fair D OEJWT f,g 5wodus 3501-C W Moore St Santa Ana CA 92704 Colors RED BLACK YELLOW ORANGE Write Free CatMog Fine Pmducss Ij1 AUDIO FLIGHT TIMER Prevents dead-stick Generates incremental audio timing signals Ideal timing pattern flights case less battery $2495 Shipping Less case mounts transmitter $2195 shipping Write tree brochure Industrial Inventions Inc RD2 463 US Route 1 Monmouth Jct New Jersey 08852 PECKS MODEL MENAGERIE PEANUT SCALE KITS $395 PIETENPOI PIPER J3CUBMOTH UBBER ML WPPLIES 00 4are This
Edition: Model Aviation - 1980/05
Page Numbers: 63, 64, 65, 66, 67, 68, 121, 122
NO OCR TEXT winter snow e crafts unique features ea y eiuIe fume ogmejimes isa Dipianeas high sijeco GonTigurailon aDOve rhe projections upperwing trailing edge nearthe tips brass low-speed limittabs forthe lowerwing Odd wedge-shaped wing tips actually ailerons strip ailerons upper wing actually wing flaps will obvious other views low-speed flight C-i becomes monoplane deeply cambered wing set ata high angle incidence T-tsil neededto keepthe horizontal stabilizer Out massive downwash wing configuratloni White rectangle fuselage top outlines removable access hatch Ditto white stripe around aft end around windshield THE Coronel C-i Transverse Wing Aircraft radio-controlled aircraft designed initially flight test new concept variable high-speed high-lift airfoils concept designed create new class high-performance aircraft short takeoff landing capabilities Types aircraft capable being produced within class can range supersonic transports fighters subsonic aircraft capable landing extremely limited locations Today pro duction aircraft compromise designs lift-sustaining airfoils main set wings designed operate maximum minimum speeds aircraft operate maximum efficiency either extreme Coronel Transverse Wing concept pro poses aircraft can operate maximum efficient speeds withtwo sets ofwings biplane thin short symmetrical airfoils produce minimum drag higher speeds arrange ment need produce drag compro mise designs may indeed produce less since original airfoils will designed high speeds low speeds High-lift devices such Fowler flaps cannot incorporated thin supersonic airfoils due lack room stress supporting surfaces Therefore high lift subsonic speeds lower Transverse set wings system will tilt axis parallel trailing edge upper primary wing until trailing edge upper wing flap meets locks against leading edge lower wing Thus high-lift-producing subsonic airfoil produced two supersonic airfoils order determine practicability con verting two high-speed airfoils flight author constructed RC aircraft radio-operated transverse wing system installed aircraft once successful would serve two important functions 1 would prove aircraft two independent high-speed wings ingenious testing methods using radio-control highly modified Midwest Strikemaster proved full-scale purposes high-speed biplane can converted flight high-lift monoplane extremely slow speeds can obtained aircraft designed high-speed airfoils Paul Dennis Coronel 64 Model Aviation TRIM 3 OFF IT WiNG / N ySOLL /IALENON MINORIWIWAD AlL EORTROL IN1CORTRGL AWING FOAM SLOTASS NOD UUTS aT AL WING TIP VIEW AlL SANYO __________SIDE YEW PRMDINY RING FLAP PLY EDGE FUSELAGE T VIEW IPLYWOOD RIR-t 3/BWASS TUaNG- 1 TRANSVERSE WIIIGiWILT UP BALSA ON FOAM CONGTI ILEFT SIDE SIIOWNI TNAMYEI01E WING FLAP II HORONTAL STA8IUZERELEV IWIWESTSSWAIAS7IW ELEY CONTROL COYER LNZJ PRIMARY WIRO FOG 45 MILINIED LPRIGIT5151 LPT TILT MT T / -J FLAT BOTTOMED AJRFLR 1451 SPANS WING FUSELAGE SIDE VIEWTILT LINT LOCK / PLYWOOD BOTTOM HATOI COVERROLT TO lOT TRIANGLE STOCK 2-I/ IGIGE NYROD7MW SALDOWEL INS I-TIIRIISYKIIGE WING FLAP CONTROL HORN \ V1154 UFT PORTION TNMSW WING FLAP CONTROL NODTAIL HATCH MOJGTING TABS XIBCLT L 0 TOREMOYADEE TAIL ~ATO1 COVENHATCH LONGING GEAR 2-I/2 INlEELS May 1980 65 ENGINE 40 TO 45 CORONEL C-I ODGIONED BY RGJA CORONEL ORAWING BY JUE GEMARCO Detail transverse wing pivot bearing projects through fuselage side high-speed tab stop horizontal stripe just above white arrows crossed white stripes show wing positions forthe high- low-speed positions Note RC switch battery charging plug Landing gear strut bottom elevator control horn its removable cover left wing-tip aileron right-bank position Anotner view winglip aileron auxiliary area-increasing cover shown just left auxiliary cover needed could converted monoplane high-lift-producing wing remaining stable flight 2 would reduce practice prove practical feasibility new concept patent purposes Much thought put design Coronel Transverse Wing-equipped RC experi mental aircraft author did considerable research present kits available might suitable project After investigating numerous literature catalogs author deter mined following design parameters should prevail 1 aircraft should designed util ize powerplant 40 cu range would allow aircraft built sufficient power necessary desired flight character istics would aiso provide aircraft sufficient fuselage space mechanical components power wing tilting system 2 basic aircraft design should high-wing monoplane requirement stems necessity locate secondary transverse wing below rear primary wing Since addition second set wings behind original set would change center gravity aircraft fuselage would have lengthened 3 finest components con struction should sought minimize probability type failure affecting flight aircraft 4 well-designed kit redesigned meet specifications 66 Model Aviation Look movable surfaces low-speed wings/flaps configuration Note position flap horn bottom wing also flap deflection upper wing raum U 32 years orna noias acneaor ana Masters de grees University Hawaii currently Doctoral candidate University Wisconsin Madison has seeking solutions tothe high-speed high-liftairfoll con fiictforl5years also conducting research alternative fueled aircraft engines Thisisthe hgn-spuowngsrapsungura.un nutunu pusuuru vi ruuunnru wings flap position upper wings flap Detail transverse wing pivot bearing block attachment transverse wing actuator servo again time low removable joiner its self-locking pins control arm speed position Note reinforced pushrods aircraft would considerably reduce construc tion part-locating time Midwest Products Company initially identified kit selection since line pro duction kits included two aircraft appeared meet specifications project Designer Jim Newman Midwest contacted agreed furnish plans two aircraft produced author found design Strikemaster possess qualities desired conversion experimental aircraft Kraft-manufactured Tower Hobbies 6channel radio selected purchased four KPS 15 servos transmitter receiver proportional 5th channel well suited operate transverse wing actuation system high-torque 1800 KPS 16 servo operate transverse wing tilting system purchased directly Kraft powerplant aircraft obtained using newly introduced Fox 45 cu Schnuerle-ported engine engine produced 1 horsepower proved faultlessly reliable little break-in period obtained Since flight testing occurred late winter muffler utilized engine control combustion temperature thus preventing glow plug cooling Since author inventor-designer little flight experience pilot aircraft sought Mr John Lusk president Madison Area Radio Control Society MARCS Madison Wisconsin agreed participate project pilot advisor Mr Ralph Bethke Madison Wisconsin volunteered pilots assistant Once aircraft kit major components selected obtained redesign con struction aircraft began initial section constructed primary upper fixed wing foam wing cores shortened 3 wing tip total 6 bottom curved surface foam cores shaved off belt sander leaving flat bottom slot aileron control rods cut bottom foam cores slot milled Y2 router bit depth wing cores next joined together square hole cut bottom center core unit future placement aileron control servo Four metal bearings next constructed -wide brass strips Detail transverse wing servoactuator associated linkage End servo arm hidden left fuselage side Note upper wing flap also actuated servo opposite end servo arm Shown high-speed position May 1980 67 view somewhat misleading removable tail cone showing easy access rudder horn Note keying dowels mount ing tabs retaining screws just beIow arrows point actuation rod transverse wings flaps exits fuselage side Just slightly above wood high-speed tab stop forthe transverse wing picture gives another good look articulation two sets flaps Detail removable bottom hatch landing gear attached n nIgr1-peuo dirloil IonhIgurduon ijujei Un up IWIfl rIU tI1 wing-tip aileron seen edge-on low-speed airfoil section left wing-tip aileron seen edge-on drilled aileron control rod bearing center brass bearing mounts 2 length inboard bearings 3 length wing tip bearings e brass tubing bearing soldered tubing interior diameter 3/32 brass aileron control rods Control levers 1 length next constructed soldered inboard end aileron control rods control levers drilled upper end installation Du-Bro 1/16 threaded ball links inboard brass bearing mounts epoxied 1/16 thick piece ofplywood approximately 3 length Outboard bearing mounts epoxied 4 length plywood Slots cut foam core er wing seam inboard brass bearings wood mounts Slight depressions wing tips foam cores hollowed wing tip wood bearing mounts could epoxied flush finish aileron bearing wood mounts attached bearings control rods next epoxied foam core wing skins attached leading trailing edges mounted pre-finished Fulllength wing flaps mounted trailing edges flaps replaced normal strip ailerons usually mounted location What would normally aileron control horns converted flap control horns would later connected KPS 16 servo via reinforced control rod wing flaps installed Cooney Gapless Hinges other hinged surfaces author cannot underestimate quality compatibility convenience product Because numerous flaps used Trans verse Wing System product other helped success project technical assistance received Foremost Racing Products Forest Grove Oregon installation hinge appreciated hinges installed help gapless hinge slotter device runs length edge slotted device cuts slot pre-determined depth within pre-set width hinge inserted pinned place cyanoacrylate adhesive allowed flow along edge strip hinge edge Capillary action carries cement joint secure permanent installation wings finished off using standard pro cedures included mounting fiberglass reinforcing tape mid-seam combination MonoKote Solarfilm used cover wing heat sensitive coverings capable being applied directly Cooney Gapless Hinge resulting clean appearing virtually friction-free hinge attractive-appearing wing Design aircraft required interior components fuselage readily accessible moments notice emergency adjust ments repairs Therefore unusual number access hatch doors designed air craft Strikemaster fuselage its welldesigned laminated sides well suited conversions no loss strength Construction fuselage proceeded accord ing Strikemaster plans following conversions 1 wood engine mounts discarded favor Kraft fiberglass 40-size mount slightly enlarged accept Fox 45 engine 2 Upper sheeting behind primary wing discarded favor plywood removable access hatch cover cover allowed access installation adjustment transverse wing mechanical actuation system 3 wire landing gear discarded favor HalIco heavy-duty landing gear unit Continued page 121 68 Model Aviation i-1 s engine installation Fox Schnuerle-port 45 Kraft mount Cowl carved balsa help belt sander Moto-Tool Coronel has high praise engines power reliability Goldberg spinner Top Flite nylon prop Hatch access fuel tank nose t-1 ready for e muffler added primarily keep engines combus tion temperature up during winter operation research vehiclenot sport flier HOT STUFF' THE ORIGINAL HOBBY CYANOACRYLATE ADHESIVE just way YOU want HOT STUFFM ORIGINAL CLEAR FORMULA low viscositydeep penetration INSTANT BOND RATE 3 10 sec started 142 GR oz395 7 GR z225 567 GR 1200 HOT STUFFM GAP FILLING EU LINEEFILLETING POSITIONABLE EXCLUSIVE VISIBLE FORMULAHIGH VISCOSITY low viscositydeep penetrationTIMED BOND 10 25 sec INSTANT BOND RATE 3 10 secUse like regular glue wait 142 GR oz 495142GR Z 7 GR oz 5 ALL u AT YOUR DEALERS NOW 567 GR 2 oz 1200 HOT STUFFM ezt*i2&5e Oe9 PO BOX 836 VALLEY CALIFORNIA USA e 805 522-0062 frequently fly brush-covered riverbed felt puncture resistence Mono Kote worth slight bit added weight Besides looks great works easily over compound curves outer ends wing stabilizer fly favorable environment use lightweight Silkspan 00 Japanese tissue youll save few grams covering fuselage bottom first sides top finally pylon cover sequence overlaps will face downward leaving no ridges fuel settle fuselage covered temporarily stick round toothpicks holes fire wall paint whole front end epoxy will completely fuelproof built wing panels flat its during covering induce warps use MonoKote just iron twisting panel applying heat cooling rapidly cover paper setting warps little laborious since youll have shim after coat 50/50 dope rest panel pinned weighted down landing gear always pain LG California Kid no exception although its less troublesome like can bend two pieces wire LG however made up four pieces assembled two units plug aluminum tubes side fuselage secured little epoxy Whichever way choose go Id recom mend fastening rear legs front ones method Bend wires correct shapes glue together just dab epoxy has dried bind joints thor oughly copper wire Now take epoxy rub over through wire tech nique works fine plane weight Flying Now comes moment truththe first flight before ever leave home sure wing warps match plan CG correct location incidence wing stabilizer built correct angle want avoid flyaway youll have run some experiments fuel consumption might well home too Begin running engine enough warm up thoroughy take eyedropper short length fuel line end draw small amount fuel can squeeze empty tank 020s misers doesnt require much adjust needle valve setting youll using flight start engine time long runs have determined what amount fuel good say 20-second engine run make some kind mark dropper neck future reference procedure works fine about 50% time would nearly foolproof except fact reed valve englnes just happy running backwards forward start backwards least half time use starting spring supplied englne odds will improve considerably Now Out flying field mythical place deep grass no breeze some test glides Youre am- ing smooth flat glide will land about zi feet front plane dives down far short mark shim up rear stab 1/32 time until diving tendency disappears Keep adding negative incidence stab until plane begins stall back offjust bit should set go couple final notes glide First certain release correct plane should leave hand slight downward angle release nose high will stall no matter well poorly adjusted second plane seems exhibit tendency dive stall try again again may what observed first time resulted bad launch mist wind Finally youre ready send California Kid up under power commonly used method test new high performance free flight gas ship begin reduced power short engine runs observe carefullymake minute adjustments needed slowly work up optimum trim California Kid method can used initially placing prop backwards reduce thrust riching fuel mixture both reduces power shortens engine run its final trim under full power youll want plane fly up fairly tight right spiral followed transition open right-hand circle hangs prop shim bit downthrust straight-up climb looks sensational usually results horrible transition dips right its first spiral add hair left thrust flies left go hobby store balsa Pylon planes rarely fly left once Good luck California Kid sure light DT fuse flight 3 ounces theres just much reason ever come down C-i /Coronel continued page 68 landing gear bolted plywood access hatch approximately 10 length turn bolted eight bolts belly air craft allowed access hatch landing gear removed unit thus allowing additional service room adjustment tilt control mechanisms radio 4 tail aircraft extended approximately 3 using removable tail cone 3 length designed fuselage allowed rapid ob struction-free access rudder control horn necessary 5 stabilizer converted T-tail configuration necessary tre mendous changes airflow about lower tail portion aircraft could expected actuation transverse wing system elevator control mechanism consisted Nyrod flexible pushrod attached end elevator horn elevator servo other end Installation Nyrod required cutting curved slot top rear vertical stabilizer bottom front allowed Nyrod proceed relatively straight through fuselage servo front rear sections vertical stabilizer pinned wood board Nyrod epoxied full curved length between Thin balsa sheeting next applied both sides vertical stabilizer allowed dry horizontal stabilizer installed top vertical stabilizer ngles joints removable access hatch top elevator covered elevator control horn provided ability adjustment elevator tilt limits tail unit installed additional 3 rear fuselage ngle blocks added joint additional support Care taken give stabilizer zero-zero angle incidence primary wing Both controllable elevator rudder given 20% increase surface area engine cowl turned out diffi May 1980 121 two classics Flyline ITS HERE 111- SEE YOUR LOCAL HOBBY DEALER READY NOW send 25 t catalog 34 span 020 power single channel nc or$1595 free flight OUAKER FLASH Power 39 Wingspan $2495 FLYLINE MODELS INC 2820 OORR AVENUE B ii Farman Moustique FAIRFAX VIRGINIA 22031 703 573-2038 P 0 BOX 2498-MA PeekPy.esLA MOSA CALIF 92041 w HONE 1714 4698675 442-4636 1 cult part fabricate design called cowl constructed one-piece unit completely removable engine attached basic cowl block formed four pieces a epoxied form square box hollowed inside Dremel hand grinder Exterior curves slowly formed belt sander thickness completed unit ranged erior cowl well-coated mixture epoxy alcohol thinned epoxy penetrated deep within wood resulting extremely strong durable unit joints within fuselage double-glued epoxy special bulkhead between fuel compartment radio compartment constructed balsa coated epoxy prevent accidental leakage fuel steer ing nosewheel control linkages installed Sullivan SS-8 fuel tank line filter installed servo tray engine elevator rudder servos along control rods installed Special brass bearings constructed support transverse wings units con sisted 3 X 1W brass plates brass bearing tubes soldered middle s reinforc ing plate soldered approximately e main plate ends reinforcing plate bent down soldered against main plate Numerous holes drilled around edge main plate allow safe secure fastening units interior walls fuselage epoxy Construction transverse wings proceeded basic balsa ribs balsa sheeting Spruce wood stringers added strength top bottom ribs Three plywood ribs made per wing wingpivot supportrods secured against ribs epoxy pivoting rods eter brass rein forcing rods soldered inside end pivoting rods soldered 1 X s plate small holes drilled along edges end epoxied plywood ribs other end pivoting rods extended out inboard transverse wing ends brass bearings fuselage pivoting rods both transverse wings drilled additional drilled brass cover located between bearings would join two transverse wings lock together system self-locking pins Removal locking pins allowed transverse wing slid Out bearing removed trans portation middle brass locking cover soldered brass control arm approxi mately 2 length top control arm Du-Bro 1/16 threaded balilink mounted attached reinforced control rod 1800 KPS 16 servo mounted rear fuselage Positioning transverse wings demanded precise alignment First fuselage measured found perfectly square Next leading edges both transverse wings taped trailing edges primary wing flaps Maximum transverse wing angle 450 marked fuselage Holes drilled fuselage proper location main support bearings epoxied inside walls fuselage Transverse wing-tilt limits high-speed position consisted aerodynamically carved hardwood blocks attached both sides fuselage blocks located leading inboard transverse wing edge would firmly lock down upon felt-covered blocks high-speed position possible since KPS 16 servo actually rotated few degrees beyond its 1800 limits thus preventing unlocking radio com mand High-lift tilt limits consisted felt-covered reinforced brass limit tabs 1 X ied rear primary wing flaps few inches wing tips would contact limit transverse wings tilted maximum high-lift position Care taken during final finishing removable hatches covers identified white strip Goldberg multi-stripe tape placed along edges covers red yellow color scheme selected photographic purposes Maximum minimum wing tilt angles taped sides fuselage degree wing tilt might later identified photographs USA markings selected represent American effort Flight testing C-i occurred March 1st 1979 flight field near Madison Wisconsin Some snow ground air temperature 400 8-mph winds Northeast Pilot John Lusk fueled aircraft prepared flight initial flight aborted aircraft found tail heavy Lead placed nose next flight aircraft lifted off well responded well wing-tip ailerons Altitude gained transverse wings unlocked partially tilted pilots assistant aircraft flew quite well partial tilting transverse wings experienced reduction speed slight nose-down angle Full actuation wing system attempted aircraft experienced tendency roll left suggested specially constructed aileron covers added provide additional lateral stability covers consisted two sheets balsa designed fit over existing ailerons covers increased aileron surface approximately 33% pilot achieved level sustained flight transverse wings full tilt next flight Additional flights conducted afternoon transverse wings successfully tilting various degrees aircraft successfully recovered damage Success aircraft determined fact did achieve flight status trans verse wings successfully tilted maximum returned minimum flight Conclusions drawn flight testing follows 1 transverse wing concept feasible high-speed biplane can successfully converted flight high-lift producing monoplane 2 Extremely slow speeds can obtained aircraft designed high-speed airfoils utilizing Coronel Transverse Wing concept FLY SAFELY 122 Model Aviation Rosie sD&R Power Pod Fits COX T- D & Med 049 051 Engs Rubber Band Screw Mounting Eng mts upright Inverted Running time appx 4 mm Nylon injection moulded Power 3 lb airplanes $595/I total weight 3A oz WE ALSO MAKE BANTAM Servos D&R Sticks Connectors Buikhead Switch mounts rSdasfetY Switch eavy duty gear Wevid ade WRXm5 fair D OEJWT f,g 5wodus 3501-C W Moore St Santa Ana CA 92704 Colors RED BLACK YELLOW ORANGE Write Free CatMog Fine Pmducss Ij1 AUDIO FLIGHT TIMER Prevents dead-stick Generates incremental audio timing signals Ideal timing pattern flights case less battery $2495 Shipping Less case mounts transmitter $2195 shipping Write tree brochure Industrial Inventions Inc RD2 463 US Route 1 Monmouth Jct New Jersey 08852 PECKS MODEL MENAGERIE PEANUT SCALE KITS $395 PIETENPOI PIPER J3CUBMOTH UBBER ML WPPLIES 00 4are This
Edition: Model Aviation - 1980/05
Page Numbers: 63, 64, 65, 66, 67, 68, 121, 122
NO OCR TEXT winter snow e crafts unique features ea y eiuIe fume ogmejimes isa Dipianeas high sijeco GonTigurailon aDOve rhe projections upperwing trailing edge nearthe tips brass low-speed limittabs forthe lowerwing Odd wedge-shaped wing tips actually ailerons strip ailerons upper wing actually wing flaps will obvious other views low-speed flight C-i becomes monoplane deeply cambered wing set ata high angle incidence T-tsil neededto keepthe horizontal stabilizer Out massive downwash wing configuratloni White rectangle fuselage top outlines removable access hatch Ditto white stripe around aft end around windshield THE Coronel C-i Transverse Wing Aircraft radio-controlled aircraft designed initially flight test new concept variable high-speed high-lift airfoils concept designed create new class high-performance aircraft short takeoff landing capabilities Types aircraft capable being produced within class can range supersonic transports fighters subsonic aircraft capable landing extremely limited locations Today pro duction aircraft compromise designs lift-sustaining airfoils main set wings designed operate maximum minimum speeds aircraft operate maximum efficiency either extreme Coronel Transverse Wing concept pro poses aircraft can operate maximum efficient speeds withtwo sets ofwings biplane thin short symmetrical airfoils produce minimum drag higher speeds arrange ment need produce drag compro mise designs may indeed produce less since original airfoils will designed high speeds low speeds High-lift devices such Fowler flaps cannot incorporated thin supersonic airfoils due lack room stress supporting surfaces Therefore high lift subsonic speeds lower Transverse set wings system will tilt axis parallel trailing edge upper primary wing until trailing edge upper wing flap meets locks against leading edge lower wing Thus high-lift-producing subsonic airfoil produced two supersonic airfoils order determine practicability con verting two high-speed airfoils flight author constructed RC aircraft radio-operated transverse wing system installed aircraft once successful would serve two important functions 1 would prove aircraft two independent high-speed wings ingenious testing methods using radio-control highly modified Midwest Strikemaster proved full-scale purposes high-speed biplane can converted flight high-lift monoplane extremely slow speeds can obtained aircraft designed high-speed airfoils Paul Dennis Coronel 64 Model Aviation TRIM 3 OFF IT WiNG / N ySOLL /IALENON MINORIWIWAD AlL EORTROL IN1CORTRGL AWING FOAM SLOTASS NOD UUTS aT AL WING TIP VIEW AlL SANYO __________SIDE YEW PRMDINY RING FLAP PLY EDGE FUSELAGE T VIEW IPLYWOOD RIR-t 3/BWASS TUaNG- 1 TRANSVERSE WIIIGiWILT UP BALSA ON FOAM CONGTI ILEFT SIDE SIIOWNI TNAMYEI01E WING FLAP II HORONTAL STA8IUZERELEV IWIWESTSSWAIAS7IW ELEY CONTROL COYER LNZJ PRIMARY WIRO FOG 45 MILINIED LPRIGIT5151 LPT TILT MT T / -J FLAT BOTTOMED AJRFLR 1451 SPANS WING FUSELAGE SIDE VIEWTILT LINT LOCK / PLYWOOD BOTTOM HATOI COVERROLT TO lOT TRIANGLE STOCK 2-I/ IGIGE NYROD7MW SALDOWEL INS I-TIIRIISYKIIGE WING FLAP CONTROL HORN \ V1154 UFT PORTION TNMSW WING FLAP CONTROL NODTAIL HATCH MOJGTING TABS XIBCLT L 0 TOREMOYADEE TAIL ~ATO1 COVENHATCH LONGING GEAR 2-I/2 INlEELS May 1980 65 ENGINE 40 TO 45 CORONEL C-I ODGIONED BY RGJA CORONEL ORAWING BY JUE GEMARCO Detail transverse wing pivot bearing projects through fuselage side high-speed tab stop horizontal stripe just above white arrows crossed white stripes show wing positions forthe high- low-speed positions Note RC switch battery charging plug Landing gear strut bottom elevator control horn its removable cover left wing-tip aileron right-bank position Anotner view winglip aileron auxiliary area-increasing cover shown just left auxiliary cover needed could converted monoplane high-lift-producing wing remaining stable flight 2 would reduce practice prove practical feasibility new concept patent purposes Much thought put design Coronel Transverse Wing-equipped RC experi mental aircraft author did considerable research present kits available might suitable project After investigating numerous literature catalogs author deter mined following design parameters should prevail 1 aircraft should designed util ize powerplant 40 cu range would allow aircraft built sufficient power necessary desired flight character istics would aiso provide aircraft sufficient fuselage space mechanical components power wing tilting system 2 basic aircraft design should high-wing monoplane requirement stems necessity locate secondary transverse wing below rear primary wing Since addition second set wings behind original set would change center gravity aircraft fuselage would have lengthened 3 finest components con struction should sought minimize probability type failure affecting flight aircraft 4 well-designed kit redesigned meet specifications 66 Model Aviation Look movable surfaces low-speed wings/flaps configuration Note position flap horn bottom wing also flap deflection upper wing raum U 32 years orna noias acneaor ana Masters de grees University Hawaii currently Doctoral candidate University Wisconsin Madison has seeking solutions tothe high-speed high-liftairfoll con fiictforl5years also conducting research alternative fueled aircraft engines Thisisthe hgn-spuowngsrapsungura.un nutunu pusuuru vi ruuunnru wings flap position upper wings flap Detail transverse wing pivot bearing block attachment transverse wing actuator servo again time low removable joiner its self-locking pins control arm speed position Note reinforced pushrods aircraft would considerably reduce construc tion part-locating time Midwest Products Company initially identified kit selection since line pro duction kits included two aircraft appeared meet specifications project Designer Jim Newman Midwest contacted agreed furnish plans two aircraft produced author found design Strikemaster possess qualities desired conversion experimental aircraft Kraft-manufactured Tower Hobbies 6channel radio selected purchased four KPS 15 servos transmitter receiver proportional 5th channel well suited operate transverse wing actuation system high-torque 1800 KPS 16 servo operate transverse wing tilting system purchased directly Kraft powerplant aircraft obtained using newly introduced Fox 45 cu Schnuerle-ported engine engine produced 1 horsepower proved faultlessly reliable little break-in period obtained Since flight testing occurred late winter muffler utilized engine control combustion temperature thus preventing glow plug cooling Since author inventor-designer little flight experience pilot aircraft sought Mr John Lusk president Madison Area Radio Control Society MARCS Madison Wisconsin agreed participate project pilot advisor Mr Ralph Bethke Madison Wisconsin volunteered pilots assistant Once aircraft kit major components selected obtained redesign con struction aircraft began initial section constructed primary upper fixed wing foam wing cores shortened 3 wing tip total 6 bottom curved surface foam cores shaved off belt sander leaving flat bottom slot aileron control rods cut bottom foam cores slot milled Y2 router bit depth wing cores next joined together square hole cut bottom center core unit future placement aileron control servo Four metal bearings next constructed -wide brass strips Detail transverse wing servoactuator associated linkage End servo arm hidden left fuselage side Note upper wing flap also actuated servo opposite end servo arm Shown high-speed position May 1980 67 view somewhat misleading removable tail cone showing easy access rudder horn Note keying dowels mount ing tabs retaining screws just beIow arrows point actuation rod transverse wings flaps exits fuselage side Just slightly above wood high-speed tab stop forthe transverse wing picture gives another good look articulation two sets flaps Detail removable bottom hatch landing gear attached n nIgr1-peuo dirloil IonhIgurduon ijujei Un up IWIfl rIU tI1 wing-tip aileron seen edge-on low-speed airfoil section left wing-tip aileron seen edge-on drilled aileron control rod bearing center brass bearing mounts 2 length inboard bearings 3 length wing tip bearings e brass tubing bearing soldered tubing interior diameter 3/32 brass aileron control rods Control levers 1 length next constructed soldered inboard end aileron control rods control levers drilled upper end installation Du-Bro 1/16 threaded ball links inboard brass bearing mounts epoxied 1/16 thick piece ofplywood approximately 3 length Outboard bearing mounts epoxied 4 length plywood Slots cut foam core er wing seam inboard brass bearings wood mounts Slight depressions wing tips foam cores hollowed wing tip wood bearing mounts could epoxied flush finish aileron bearing wood mounts attached bearings control rods next epoxied foam core wing skins attached leading trailing edges mounted pre-finished Fulllength wing flaps mounted trailing edges flaps replaced normal strip ailerons usually mounted location What would normally aileron control horns converted flap control horns would later connected KPS 16 servo via reinforced control rod wing flaps installed Cooney Gapless Hinges other hinged surfaces author cannot underestimate quality compatibility convenience product Because numerous flaps used Trans verse Wing System product other helped success project technical assistance received Foremost Racing Products Forest Grove Oregon installation hinge appreciated hinges installed help gapless hinge slotter device runs length edge slotted device cuts slot pre-determined depth within pre-set width hinge inserted pinned place cyanoacrylate adhesive allowed flow along edge strip hinge edge Capillary action carries cement joint secure permanent installation wings finished off using standard pro cedures included mounting fiberglass reinforcing tape mid-seam combination MonoKote Solarfilm used cover wing heat sensitive coverings capable being applied directly Cooney Gapless Hinge resulting clean appearing virtually friction-free hinge attractive-appearing wing Design aircraft required interior components fuselage readily accessible moments notice emergency adjust ments repairs Therefore unusual number access hatch doors designed air craft Strikemaster fuselage its welldesigned laminated sides well suited conversions no loss strength Construction fuselage proceeded accord ing Strikemaster plans following conversions 1 wood engine mounts discarded favor Kraft fiberglass 40-size mount slightly enlarged accept Fox 45 engine 2 Upper sheeting behind primary wing discarded favor plywood removable access hatch cover cover allowed access installation adjustment transverse wing mechanical actuation system 3 wire landing gear discarded favor HalIco heavy-duty landing gear unit Continued page 121 68 Model Aviation i-1 s engine installation Fox Schnuerle-port 45 Kraft mount Cowl carved balsa help belt sander Moto-Tool Coronel has high praise engines power reliability Goldberg spinner Top Flite nylon prop Hatch access fuel tank nose t-1 ready for e muffler added primarily keep engines combus tion temperature up during winter operation research vehiclenot sport flier HOT STUFF' THE ORIGINAL HOBBY CYANOACRYLATE ADHESIVE just way YOU want HOT STUFFM ORIGINAL CLEAR FORMULA low viscositydeep penetration INSTANT BOND RATE 3 10 sec started 142 GR oz395 7 GR z225 567 GR 1200 HOT STUFFM GAP FILLING EU LINEEFILLETING POSITIONABLE EXCLUSIVE VISIBLE FORMULAHIGH VISCOSITY low viscositydeep penetrationTIMED BOND 10 25 sec INSTANT BOND RATE 3 10 secUse like regular glue wait 142 GR oz 495142GR Z 7 GR oz 5 ALL u AT YOUR DEALERS NOW 567 GR 2 oz 1200 HOT STUFFM ezt*i2&5e Oe9 PO BOX 836 VALLEY CALIFORNIA USA e 805 522-0062 frequently fly brush-covered riverbed felt puncture resistence Mono Kote worth slight bit added weight Besides looks great works easily over compound curves outer ends wing stabilizer fly favorable environment use lightweight Silkspan 00 Japanese tissue youll save few grams covering fuselage bottom first sides top finally pylon cover sequence overlaps will face downward leaving no ridges fuel settle fuselage covered temporarily stick round toothpicks holes fire wall paint whole front end epoxy will completely fuelproof built wing panels flat its during covering induce warps use MonoKote just iron twisting panel applying heat cooling rapidly cover paper setting warps little laborious since youll have shim after coat 50/50 dope rest panel pinned weighted down landing gear always pain LG California Kid no exception although its less troublesome like can bend two pieces wire LG however made up four pieces assembled two units plug aluminum tubes side fuselage secured little epoxy Whichever way choose go Id recom mend fastening rear legs front ones method Bend wires correct shapes glue together just dab epoxy has dried bind joints thor oughly copper wire Now take epoxy rub over through wire tech nique works fine plane weight Flying Now comes moment truththe first flight before ever leave home sure wing warps match plan CG correct location incidence wing stabilizer built correct angle want avoid flyaway youll have run some experiments fuel consumption might well home too Begin running engine enough warm up thoroughy take eyedropper short length fuel line end draw small amount fuel can squeeze empty tank 020s misers doesnt require much adjust needle valve setting youll using flight start engine time long runs have determined what amount fuel good say 20-second engine run make some kind mark dropper neck future reference procedure works fine about 50% time would nearly foolproof except fact reed valve englnes just happy running backwards forward start backwards least half time use starting spring supplied englne odds will improve considerably Now Out flying field mythical place deep grass no breeze some test glides Youre am- ing smooth flat glide will land about zi feet front plane dives down far short mark shim up rear stab 1/32 time until diving tendency disappears Keep adding negative incidence stab until plane begins stall back offjust bit should set go couple final notes glide First certain release correct plane should leave hand slight downward angle release nose high will stall no matter well poorly adjusted second plane seems exhibit tendency dive stall try again again may what observed first time resulted bad launch mist wind Finally youre ready send California Kid up under power commonly used method test new high performance free flight gas ship begin reduced power short engine runs observe carefullymake minute adjustments needed slowly work up optimum trim California Kid method can used initially placing prop backwards reduce thrust riching fuel mixture both reduces power shortens engine run its final trim under full power youll want plane fly up fairly tight right spiral followed transition open right-hand circle hangs prop shim bit downthrust straight-up climb looks sensational usually results horrible transition dips right its first spiral add hair left thrust flies left go hobby store balsa Pylon planes rarely fly left once Good luck California Kid sure light DT fuse flight 3 ounces theres just much reason ever come down C-i /Coronel continued page 68 landing gear bolted plywood access hatch approximately 10 length turn bolted eight bolts belly air craft allowed access hatch landing gear removed unit thus allowing additional service room adjustment tilt control mechanisms radio 4 tail aircraft extended approximately 3 using removable tail cone 3 length designed fuselage allowed rapid ob struction-free access rudder control horn necessary 5 stabilizer converted T-tail configuration necessary tre mendous changes airflow about lower tail portion aircraft could expected actuation transverse wing system elevator control mechanism consisted Nyrod flexible pushrod attached end elevator horn elevator servo other end Installation Nyrod required cutting curved slot top rear vertical stabilizer bottom front allowed Nyrod proceed relatively straight through fuselage servo front rear sections vertical stabilizer pinned wood board Nyrod epoxied full curved length between Thin balsa sheeting next applied both sides vertical stabilizer allowed dry horizontal stabilizer installed top vertical stabilizer ngles joints removable access hatch top elevator covered elevator control horn provided ability adjustment elevator tilt limits tail unit installed additional 3 rear fuselage ngle blocks added joint additional support Care taken give stabilizer zero-zero angle incidence primary wing Both controllable elevator rudder given 20% increase surface area engine cowl turned out diffi May 1980 121 two classics Flyline ITS HERE 111- SEE YOUR LOCAL HOBBY DEALER READY NOW send 25 t catalog 34 span 020 power single channel nc or$1595 free flight OUAKER FLASH Power 39 Wingspan $2495 FLYLINE MODELS INC 2820 OORR AVENUE B ii Farman Moustique FAIRFAX VIRGINIA 22031 703 573-2038 P 0 BOX 2498-MA PeekPy.esLA MOSA CALIF 92041 w HONE 1714 4698675 442-4636 1 cult part fabricate design called cowl constructed one-piece unit completely removable engine attached basic cowl block formed four pieces a epoxied form square box hollowed inside Dremel hand grinder Exterior curves slowly formed belt sander thickness completed unit ranged erior cowl well-coated mixture epoxy alcohol thinned epoxy penetrated deep within wood resulting extremely strong durable unit joints within fuselage double-glued epoxy special bulkhead between fuel compartment radio compartment constructed balsa coated epoxy prevent accidental leakage fuel steer ing nosewheel control linkages installed Sullivan SS-8 fuel tank line filter installed servo tray engine elevator rudder servos along control rods installed Special brass bearings constructed support transverse wings units con sisted 3 X 1W brass plates brass bearing tubes soldered middle s reinforc ing plate soldered approximately e main plate ends reinforcing plate bent down soldered against main plate Numerous holes drilled around edge main plate allow safe secure fastening units interior walls fuselage epoxy Construction transverse wings proceeded basic balsa ribs balsa sheeting Spruce wood stringers added strength top bottom ribs Three plywood ribs made per wing wingpivot supportrods secured against ribs epoxy pivoting rods eter brass rein forcing rods soldered inside end pivoting rods soldered 1 X s plate small holes drilled along edges end epoxied plywood ribs other end pivoting rods extended out inboard transverse wing ends brass bearings fuselage pivoting rods both transverse wings drilled additional drilled brass cover located between bearings would join two transverse wings lock together system self-locking pins Removal locking pins allowed transverse wing slid Out bearing removed trans portation middle brass locking cover soldered brass control arm approxi mately 2 length top control arm Du-Bro 1/16 threaded balilink mounted attached reinforced control rod 1800 KPS 16 servo mounted rear fuselage Positioning transverse wings demanded precise alignment First fuselage measured found perfectly square Next leading edges both transverse wings taped trailing edges primary wing flaps Maximum transverse wing angle 450 marked fuselage Holes drilled fuselage proper location main support bearings epoxied inside walls fuselage Transverse wing-tilt limits high-speed position consisted aerodynamically carved hardwood blocks attached both sides fuselage blocks located leading inboard transverse wing edge would firmly lock down upon felt-covered blocks high-speed position possible since KPS 16 servo actually rotated few degrees beyond its 1800 limits thus preventing unlocking radio com mand High-lift tilt limits consisted felt-covered reinforced brass limit tabs 1 X ied rear primary wing flaps few inches wing tips would contact limit transverse wings tilted maximum high-lift position Care taken during final finishing removable hatches covers identified white strip Goldberg multi-stripe tape placed along edges covers red yellow color scheme selected photographic purposes Maximum minimum wing tilt angles taped sides fuselage degree wing tilt might later identified photographs USA markings selected represent American effort Flight testing C-i occurred March 1st 1979 flight field near Madison Wisconsin Some snow ground air temperature 400 8-mph winds Northeast Pilot John Lusk fueled aircraft prepared flight initial flight aborted aircraft found tail heavy Lead placed nose next flight aircraft lifted off well responded well wing-tip ailerons Altitude gained transverse wings unlocked partially tilted pilots assistant aircraft flew quite well partial tilting transverse wings experienced reduction speed slight nose-down angle Full actuation wing system attempted aircraft experienced tendency roll left suggested specially constructed aileron covers added provide additional lateral stability covers consisted two sheets balsa designed fit over existing ailerons covers increased aileron surface approximately 33% pilot achieved level sustained flight transverse wings full tilt next flight Additional flights conducted afternoon transverse wings successfully tilting various degrees aircraft successfully recovered damage Success aircraft determined fact did achieve flight status trans verse wings successfully tilted maximum returned minimum flight Conclusions drawn flight testing follows 1 transverse wing concept feasible high-speed biplane can successfully converted flight high-lift producing monoplane 2 Extremely slow speeds can obtained aircraft designed high-speed airfoils utilizing Coronel Transverse Wing concept FLY SAFELY 122 Model Aviation Rosie sD&R Power Pod Fits COX T- D & Med 049 051 Engs Rubber Band Screw Mounting Eng mts upright Inverted Running time appx 4 mm Nylon injection moulded Power 3 lb airplanes $595/I total weight 3A oz WE ALSO MAKE BANTAM Servos D&R Sticks Connectors Buikhead Switch mounts rSdasfetY Switch eavy duty gear Wevid ade WRXm5 fair D OEJWT f,g 5wodus 3501-C W Moore St Santa Ana CA 92704 Colors RED BLACK YELLOW ORANGE Write Free CatMog Fine Pmducss Ij1 AUDIO FLIGHT TIMER Prevents dead-stick Generates incremental audio timing signals Ideal timing pattern flights case less battery $2495 Shipping Less case mounts transmitter $2195 shipping Write tree brochure Industrial Inventions Inc RD2 463 US Route 1 Monmouth Jct New Jersey 08852 PECKS MODEL MENAGERIE PEANUT SCALE KITS $395 PIETENPOI PIPER J3CUBMOTH UBBER ML WPPLIES 00 4are This
Edition: Model Aviation - 1980/05
Page Numbers: 63, 64, 65, 66, 67, 68, 121, 122
NO OCR TEXT winter snow e crafts unique features ea y eiuIe fume ogmejimes isa Dipianeas high sijeco GonTigurailon aDOve rhe projections upperwing trailing edge nearthe tips brass low-speed limittabs forthe lowerwing Odd wedge-shaped wing tips actually ailerons strip ailerons upper wing actually wing flaps will obvious other views low-speed flight C-i becomes monoplane deeply cambered wing set ata high angle incidence T-tsil neededto keepthe horizontal stabilizer Out massive downwash wing configuratloni White rectangle fuselage top outlines removable access hatch Ditto white stripe around aft end around windshield THE Coronel C-i Transverse Wing Aircraft radio-controlled aircraft designed initially flight test new concept variable high-speed high-lift airfoils concept designed create new class high-performance aircraft short takeoff landing capabilities Types aircraft capable being produced within class can range supersonic transports fighters subsonic aircraft capable landing extremely limited locations Today pro duction aircraft compromise designs lift-sustaining airfoils main set wings designed operate maximum minimum speeds aircraft operate maximum efficiency either extreme Coronel Transverse Wing concept pro poses aircraft can operate maximum efficient speeds withtwo sets ofwings biplane thin short symmetrical airfoils produce minimum drag higher speeds arrange ment need produce drag compro mise designs may indeed produce less since original airfoils will designed high speeds low speeds High-lift devices such Fowler flaps cannot incorporated thin supersonic airfoils due lack room stress supporting surfaces Therefore high lift subsonic speeds lower Transverse set wings system will tilt axis parallel trailing edge upper primary wing until trailing edge upper wing flap meets locks against leading edge lower wing Thus high-lift-producing subsonic airfoil produced two supersonic airfoils order determine practicability con verting two high-speed airfoils flight author constructed RC aircraft radio-operated transverse wing system installed aircraft once successful would serve two important functions 1 would prove aircraft two independent high-speed wings ingenious testing methods using radio-control highly modified Midwest Strikemaster proved full-scale purposes high-speed biplane can converted flight high-lift monoplane extremely slow speeds can obtained aircraft designed high-speed airfoils Paul Dennis Coronel 64 Model Aviation TRIM 3 OFF IT WiNG / N ySOLL /IALENON MINORIWIWAD AlL EORTROL IN1CORTRGL AWING FOAM SLOTASS NOD UUTS aT AL WING TIP VIEW AlL SANYO __________SIDE YEW PRMDINY RING FLAP PLY EDGE FUSELAGE T VIEW IPLYWOOD RIR-t 3/BWASS TUaNG- 1 TRANSVERSE WIIIGiWILT UP BALSA ON FOAM CONGTI ILEFT SIDE SIIOWNI TNAMYEI01E WING FLAP II HORONTAL STA8IUZERELEV IWIWESTSSWAIAS7IW ELEY CONTROL COYER LNZJ PRIMARY WIRO FOG 45 MILINIED LPRIGIT5151 LPT TILT MT T / -J FLAT BOTTOMED AJRFLR 1451 SPANS WING FUSELAGE SIDE VIEWTILT LINT LOCK / PLYWOOD BOTTOM HATOI COVERROLT TO lOT TRIANGLE STOCK 2-I/ IGIGE NYROD7MW SALDOWEL INS I-TIIRIISYKIIGE WING FLAP CONTROL HORN \ V1154 UFT PORTION TNMSW WING FLAP CONTROL NODTAIL HATCH MOJGTING TABS XIBCLT L 0 TOREMOYADEE TAIL ~ATO1 COVENHATCH LONGING GEAR 2-I/2 INlEELS May 1980 65 ENGINE 40 TO 45 CORONEL C-I ODGIONED BY RGJA CORONEL ORAWING BY JUE GEMARCO Detail transverse wing pivot bearing projects through fuselage side high-speed tab stop horizontal stripe just above white arrows crossed white stripes show wing positions forthe high- low-speed positions Note RC switch battery charging plug Landing gear strut bottom elevator control horn its removable cover left wing-tip aileron right-bank position Anotner view winglip aileron auxiliary area-increasing cover shown just left auxiliary cover needed could converted monoplane high-lift-producing wing remaining stable flight 2 would reduce practice prove practical feasibility new concept patent purposes Much thought put design Coronel Transverse Wing-equipped RC experi mental aircraft author did considerable research present kits available might suitable project After investigating numerous literature catalogs author deter mined following design parameters should prevail 1 aircraft should designed util ize powerplant 40 cu range would allow aircraft built sufficient power necessary desired flight character istics would aiso provide aircraft sufficient fuselage space mechanical components power wing tilting system 2 basic aircraft design should high-wing monoplane requirement stems necessity locate secondary transverse wing below rear primary wing Since addition second set wings behind original set would change center gravity aircraft fuselage would have lengthened 3 finest components con struction should sought minimize probability type failure affecting flight aircraft 4 well-designed kit redesigned meet specifications 66 Model Aviation Look movable surfaces low-speed wings/flaps configuration Note position flap horn bottom wing also flap deflection upper wing raum U 32 years orna noias acneaor ana Masters de grees University Hawaii currently Doctoral candidate University Wisconsin Madison has seeking solutions tothe high-speed high-liftairfoll con fiictforl5years also conducting research alternative fueled aircraft engines Thisisthe hgn-spuowngsrapsungura.un nutunu pusuuru vi ruuunnru wings flap position upper wings flap Detail transverse wing pivot bearing block attachment transverse wing actuator servo again time low removable joiner its self-locking pins control arm speed position Note reinforced pushrods aircraft would considerably reduce construc tion part-locating time Midwest Products Company initially identified kit selection since line pro duction kits included two aircraft appeared meet specifications project Designer Jim Newman Midwest contacted agreed furnish plans two aircraft produced author found design Strikemaster possess qualities desired conversion experimental aircraft Kraft-manufactured Tower Hobbies 6channel radio selected purchased four KPS 15 servos transmitter receiver proportional 5th channel well suited operate transverse wing actuation system high-torque 1800 KPS 16 servo operate transverse wing tilting system purchased directly Kraft powerplant aircraft obtained using newly introduced Fox 45 cu Schnuerle-ported engine engine produced 1 horsepower proved faultlessly reliable little break-in period obtained Since flight testing occurred late winter muffler utilized engine control combustion temperature thus preventing glow plug cooling Since author inventor-designer little flight experience pilot aircraft sought Mr John Lusk president Madison Area Radio Control Society MARCS Madison Wisconsin agreed participate project pilot advisor Mr Ralph Bethke Madison Wisconsin volunteered pilots assistant Once aircraft kit major components selected obtained redesign con struction aircraft began initial section constructed primary upper fixed wing foam wing cores shortened 3 wing tip total 6 bottom curved surface foam cores shaved off belt sander leaving flat bottom slot aileron control rods cut bottom foam cores slot milled Y2 router bit depth wing cores next joined together square hole cut bottom center core unit future placement aileron control servo Four metal bearings next constructed -wide brass strips Detail transverse wing servoactuator associated linkage End servo arm hidden left fuselage side Note upper wing flap also actuated servo opposite end servo arm Shown high-speed position May 1980 67 view somewhat misleading removable tail cone showing easy access rudder horn Note keying dowels mount ing tabs retaining screws just beIow arrows point actuation rod transverse wings flaps exits fuselage side Just slightly above wood high-speed tab stop forthe transverse wing picture gives another good look articulation two sets flaps Detail removable bottom hatch landing gear attached n nIgr1-peuo dirloil IonhIgurduon ijujei Un up IWIfl rIU tI1 wing-tip aileron seen edge-on low-speed airfoil section left wing-tip aileron seen edge-on drilled aileron control rod bearing center brass bearing mounts 2 length inboard bearings 3 length wing tip bearings e brass tubing bearing soldered tubing interior diameter 3/32 brass aileron control rods Control levers 1 length next constructed soldered inboard end aileron control rods control levers drilled upper end installation Du-Bro 1/16 threaded ball links inboard brass bearing mounts epoxied 1/16 thick piece ofplywood approximately 3 length Outboard bearing mounts epoxied 4 length plywood Slots cut foam core er wing seam inboard brass bearings wood mounts Slight depressions wing tips foam cores hollowed wing tip wood bearing mounts could epoxied flush finish aileron bearing wood mounts attached bearings control rods next epoxied foam core wing skins attached leading trailing edges mounted pre-finished Fulllength wing flaps mounted trailing edges flaps replaced normal strip ailerons usually mounted location What would normally aileron control horns converted flap control horns would later connected KPS 16 servo via reinforced control rod wing flaps installed Cooney Gapless Hinges other hinged surfaces author cannot underestimate quality compatibility convenience product Because numerous flaps used Trans verse Wing System product other helped success project technical assistance received Foremost Racing Products Forest Grove Oregon installation hinge appreciated hinges installed help gapless hinge slotter device runs length edge slotted device cuts slot pre-determined depth within pre-set width hinge inserted pinned place cyanoacrylate adhesive allowed flow along edge strip hinge edge Capillary action carries cement joint secure permanent installation wings finished off using standard pro cedures included mounting fiberglass reinforcing tape mid-seam combination MonoKote Solarfilm used cover wing heat sensitive coverings capable being applied directly Cooney Gapless Hinge resulting clean appearing virtually friction-free hinge attractive-appearing wing Design aircraft required interior components fuselage readily accessible moments notice emergency adjust ments repairs Therefore unusual number access hatch doors designed air craft Strikemaster fuselage its welldesigned laminated sides well suited conversions no loss strength Construction fuselage proceeded accord ing Strikemaster plans following conversions 1 wood engine mounts discarded favor Kraft fiberglass 40-size mount slightly enlarged accept Fox 45 engine 2 Upper sheeting behind primary wing discarded favor plywood removable access hatch cover cover allowed access installation adjustment transverse wing mechanical actuation system 3 wire landing gear discarded favor HalIco heavy-duty landing gear unit Continued page 121 68 Model Aviation i-1 s engine installation Fox Schnuerle-port 45 Kraft mount Cowl carved balsa help belt sander Moto-Tool Coronel has high praise engines power reliability Goldberg spinner Top Flite nylon prop Hatch access fuel tank nose t-1 ready for e muffler added primarily keep engines combus tion temperature up during winter operation research vehiclenot sport flier HOT STUFF' THE ORIGINAL HOBBY CYANOACRYLATE ADHESIVE just way YOU want HOT STUFFM ORIGINAL CLEAR FORMULA low viscositydeep penetration INSTANT BOND RATE 3 10 sec started 142 GR oz395 7 GR z225 567 GR 1200 HOT STUFFM GAP FILLING EU LINEEFILLETING POSITIONABLE EXCLUSIVE VISIBLE FORMULAHIGH VISCOSITY low viscositydeep penetrationTIMED BOND 10 25 sec INSTANT BOND RATE 3 10 secUse like regular glue wait 142 GR oz 495142GR Z 7 GR oz 5 ALL u AT YOUR DEALERS NOW 567 GR 2 oz 1200 HOT STUFFM ezt*i2&5e Oe9 PO BOX 836 VALLEY CALIFORNIA USA e 805 522-0062 frequently fly brush-covered riverbed felt puncture resistence Mono Kote worth slight bit added weight Besides looks great works easily over compound curves outer ends wing stabilizer fly favorable environment use lightweight Silkspan 00 Japanese tissue youll save few grams covering fuselage bottom first sides top finally pylon cover sequence overlaps will face downward leaving no ridges fuel settle fuselage covered temporarily stick round toothpicks holes fire wall paint whole front end epoxy will completely fuelproof built wing panels flat its during covering induce warps use MonoKote just iron twisting panel applying heat cooling rapidly cover paper setting warps little laborious since youll have shim after coat 50/50 dope rest panel pinned weighted down landing gear always pain LG California Kid no exception although its less troublesome like can bend two pieces wire LG however made up four pieces assembled two units plug aluminum tubes side fuselage secured little epoxy Whichever way choose go Id recom mend fastening rear legs front ones method Bend wires correct shapes glue together just dab epoxy has dried bind joints thor oughly copper wire Now take epoxy rub over through wire tech nique works fine plane weight Flying Now comes moment truththe first flight before ever leave home sure wing warps match plan CG correct location incidence wing stabilizer built correct angle want avoid flyaway youll have run some experiments fuel consumption might well home too Begin running engine enough warm up thoroughy take eyedropper short length fuel line end draw small amount fuel can squeeze empty tank 020s misers doesnt require much adjust needle valve setting youll using flight start engine time long runs have determined what amount fuel good say 20-second engine run make some kind mark dropper neck future reference procedure works fine about 50% time would nearly foolproof except fact reed valve englnes just happy running backwards forward start backwards least half time use starting spring supplied englne odds will improve considerably Now Out flying field mythical place deep grass no breeze some test glides Youre am- ing smooth flat glide will land about zi feet front plane dives down far short mark shim up rear stab 1/32 time until diving tendency disappears Keep adding negative incidence stab until plane begins stall back offjust bit should set go couple final notes glide First certain release correct plane should leave hand slight downward angle release nose high will stall no matter well poorly adjusted second plane seems exhibit tendency dive stall try again again may what observed first time resulted bad launch mist wind Finally youre ready send California Kid up under power commonly used method test new high performance free flight gas ship begin reduced power short engine runs observe carefullymake minute adjustments needed slowly work up optimum trim California Kid method can used initially placing prop backwards reduce thrust riching fuel mixture both reduces power shortens engine run its final trim under full power youll want plane fly up fairly tight right spiral followed transition open right-hand circle hangs prop shim bit downthrust straight-up climb looks sensational usually results horrible transition dips right its first spiral add hair left thrust flies left go hobby store balsa Pylon planes rarely fly left once Good luck California Kid sure light DT fuse flight 3 ounces theres just much reason ever come down C-i /Coronel continued page 68 landing gear bolted plywood access hatch approximately 10 length turn bolted eight bolts belly air craft allowed access hatch landing gear removed unit thus allowing additional service room adjustment tilt control mechanisms radio 4 tail aircraft extended approximately 3 using removable tail cone 3 length designed fuselage allowed rapid ob struction-free access rudder control horn necessary 5 stabilizer converted T-tail configuration necessary tre mendous changes airflow about lower tail portion aircraft could expected actuation transverse wing system elevator control mechanism consisted Nyrod flexible pushrod attached end elevator horn elevator servo other end Installation Nyrod required cutting curved slot top rear vertical stabilizer bottom front allowed Nyrod proceed relatively straight through fuselage servo front rear sections vertical stabilizer pinned wood board Nyrod epoxied full curved length between Thin balsa sheeting next applied both sides vertical stabilizer allowed dry horizontal stabilizer installed top vertical stabilizer ngles joints removable access hatch top elevator covered elevator control horn provided ability adjustment elevator tilt limits tail unit installed additional 3 rear fuselage ngle blocks added joint additional support Care taken give stabilizer zero-zero angle incidence primary wing Both controllable elevator rudder given 20% increase surface area engine cowl turned out diffi May 1980 121 two classics Flyline ITS HERE 111- SEE YOUR LOCAL HOBBY DEALER READY NOW send 25 t catalog 34 span 020 power single channel nc or$1595 free flight OUAKER FLASH Power 39 Wingspan $2495 FLYLINE MODELS INC 2820 OORR AVENUE B ii Farman Moustique FAIRFAX VIRGINIA 22031 703 573-2038 P 0 BOX 2498-MA PeekPy.esLA MOSA CALIF 92041 w HONE 1714 4698675 442-4636 1 cult part fabricate design called cowl constructed one-piece unit completely removable engine attached basic cowl block formed four pieces a epoxied form square box hollowed inside Dremel hand grinder Exterior curves slowly formed belt sander thickness completed unit ranged erior cowl well-coated mixture epoxy alcohol thinned epoxy penetrated deep within wood resulting extremely strong durable unit joints within fuselage double-glued epoxy special bulkhead between fuel compartment radio compartment constructed balsa coated epoxy prevent accidental leakage fuel steer ing nosewheel control linkages installed Sullivan SS-8 fuel tank line filter installed servo tray engine elevator rudder servos along control rods installed Special brass bearings constructed support transverse wings units con sisted 3 X 1W brass plates brass bearing tubes soldered middle s reinforc ing plate soldered approximately e main plate ends reinforcing plate bent down soldered against main plate Numerous holes drilled around edge main plate allow safe secure fastening units interior walls fuselage epoxy Construction transverse wings proceeded basic balsa ribs balsa sheeting Spruce wood stringers added strength top bottom ribs Three plywood ribs made per wing wingpivot supportrods secured against ribs epoxy pivoting rods eter brass rein forcing rods soldered inside end pivoting rods soldered 1 X s plate small holes drilled along edges end epoxied plywood ribs other end pivoting rods extended out inboard transverse wing ends brass bearings fuselage pivoting rods both transverse wings drilled additional drilled brass cover located between bearings would join two transverse wings lock together system self-locking pins Removal locking pins allowed transverse wing slid Out bearing removed trans portation middle brass locking cover soldered brass control arm approxi mately 2 length top control arm Du-Bro 1/16 threaded balilink mounted attached reinforced control rod 1800 KPS 16 servo mounted rear fuselage Positioning transverse wings demanded precise alignment First fuselage measured found perfectly square Next leading edges both transverse wings taped trailing edges primary wing flaps Maximum transverse wing angle 450 marked fuselage Holes drilled fuselage proper location main support bearings epoxied inside walls fuselage Transverse wing-tilt limits high-speed position consisted aerodynamically carved hardwood blocks attached both sides fuselage blocks located leading inboard transverse wing edge would firmly lock down upon felt-covered blocks high-speed position possible since KPS 16 servo actually rotated few degrees beyond its 1800 limits thus preventing unlocking radio com mand High-lift tilt limits consisted felt-covered reinforced brass limit tabs 1 X ied rear primary wing flaps few inches wing tips would contact limit transverse wings tilted maximum high-lift position Care taken during final finishing removable hatches covers identified white strip Goldberg multi-stripe tape placed along edges covers red yellow color scheme selected photographic purposes Maximum minimum wing tilt angles taped sides fuselage degree wing tilt might later identified photographs USA markings selected represent American effort Flight testing C-i occurred March 1st 1979 flight field near Madison Wisconsin Some snow ground air temperature 400 8-mph winds Northeast Pilot John Lusk fueled aircraft prepared flight initial flight aborted aircraft found tail heavy Lead placed nose next flight aircraft lifted off well responded well wing-tip ailerons Altitude gained transverse wings unlocked partially tilted pilots assistant aircraft flew quite well partial tilting transverse wings experienced reduction speed slight nose-down angle Full actuation wing system attempted aircraft experienced tendency roll left suggested specially constructed aileron covers added provide additional lateral stability covers consisted two sheets balsa designed fit over existing ailerons covers increased aileron surface approximately 33% pilot achieved level sustained flight transverse wings full tilt next flight Additional flights conducted afternoon transverse wings successfully tilting various degrees aircraft successfully recovered damage Success aircraft determined fact did achieve flight status trans verse wings successfully tilted maximum returned minimum flight Conclusions drawn flight testing follows 1 transverse wing concept feasible high-speed biplane can successfully converted flight high-lift producing monoplane 2 Extremely slow speeds can obtained aircraft designed high-speed airfoils utilizing Coronel Transverse Wing concept FLY SAFELY 122 Model Aviation Rosie sD&R Power Pod Fits COX T- D & Med 049 051 Engs Rubber Band Screw Mounting Eng mts upright Inverted Running time appx 4 mm Nylon injection moulded Power 3 lb airplanes $595/I total weight 3A oz WE ALSO MAKE BANTAM Servos D&R Sticks Connectors Buikhead Switch mounts rSdasfetY Switch eavy duty gear Wevid ade WRXm5 fair D OEJWT f,g 5wodus 3501-C W Moore St Santa Ana CA 92704 Colors RED BLACK YELLOW ORANGE Write Free CatMog Fine Pmducss Ij1 AUDIO FLIGHT TIMER Prevents dead-stick Generates incremental audio timing signals Ideal timing pattern flights case less battery $2495 Shipping Less case mounts transmitter $2195 shipping Write tree brochure Industrial Inventions Inc RD2 463 US Route 1 Monmouth Jct New Jersey 08852 PECKS MODEL MENAGERIE PEANUT SCALE KITS $395 PIETENPOI PIPER J3CUBMOTH UBBER ML WPPLIES 00 4are This
Edition: Model Aviation - 1980/05
Page Numbers: 63, 64, 65, 66, 67, 68, 121, 122
NO OCR TEXT winter snow e crafts unique features ea y eiuIe fume ogmejimes isa Dipianeas high sijeco GonTigurailon aDOve rhe projections upperwing trailing edge nearthe tips brass low-speed limittabs forthe lowerwing Odd wedge-shaped wing tips actually ailerons strip ailerons upper wing actually wing flaps will obvious other views low-speed flight C-i becomes monoplane deeply cambered wing set ata high angle incidence T-tsil neededto keepthe horizontal stabilizer Out massive downwash wing configuratloni White rectangle fuselage top outlines removable access hatch Ditto white stripe around aft end around windshield THE Coronel C-i Transverse Wing Aircraft radio-controlled aircraft designed initially flight test new concept variable high-speed high-lift airfoils concept designed create new class high-performance aircraft short takeoff landing capabilities Types aircraft capable being produced within class can range supersonic transports fighters subsonic aircraft capable landing extremely limited locations Today pro duction aircraft compromise designs lift-sustaining airfoils main set wings designed operate maximum minimum speeds aircraft operate maximum efficiency either extreme Coronel Transverse Wing concept pro poses aircraft can operate maximum efficient speeds withtwo sets ofwings biplane thin short symmetrical airfoils produce minimum drag higher speeds arrange ment need produce drag compro mise designs may indeed produce less since original airfoils will designed high speeds low speeds High-lift devices such Fowler flaps cannot incorporated thin supersonic airfoils due lack room stress supporting surfaces Therefore high lift subsonic speeds lower Transverse set wings system will tilt axis parallel trailing edge upper primary wing until trailing edge upper wing flap meets locks against leading edge lower wing Thus high-lift-producing subsonic airfoil produced two supersonic airfoils order determine practicability con verting two high-speed airfoils flight author constructed RC aircraft radio-operated transverse wing system installed aircraft once successful would serve two important functions 1 would prove aircraft two independent high-speed wings ingenious testing methods using radio-control highly modified Midwest Strikemaster proved full-scale purposes high-speed biplane can converted flight high-lift monoplane extremely slow speeds can obtained aircraft designed high-speed airfoils Paul Dennis Coronel 64 Model Aviation TRIM 3 OFF IT WiNG / N ySOLL /IALENON MINORIWIWAD AlL EORTROL IN1CORTRGL AWING FOAM SLOTASS NOD UUTS aT AL WING TIP VIEW AlL SANYO __________SIDE YEW PRMDINY RING FLAP PLY EDGE FUSELAGE T VIEW IPLYWOOD RIR-t 3/BWASS TUaNG- 1 TRANSVERSE WIIIGiWILT UP BALSA ON FOAM CONGTI ILEFT SIDE SIIOWNI TNAMYEI01E WING FLAP II HORONTAL STA8IUZERELEV IWIWESTSSWAIAS7IW ELEY CONTROL COYER LNZJ PRIMARY WIRO FOG 45 MILINIED LPRIGIT5151 LPT TILT MT T / -J FLAT BOTTOMED AJRFLR 1451 SPANS WING FUSELAGE SIDE VIEWTILT LINT LOCK / PLYWOOD BOTTOM HATOI COVERROLT TO lOT TRIANGLE STOCK 2-I/ IGIGE NYROD7MW SALDOWEL INS I-TIIRIISYKIIGE WING FLAP CONTROL HORN \ V1154 UFT PORTION TNMSW WING FLAP CONTROL NODTAIL HATCH MOJGTING TABS XIBCLT L 0 TOREMOYADEE TAIL ~ATO1 COVENHATCH LONGING GEAR 2-I/2 INlEELS May 1980 65 ENGINE 40 TO 45 CORONEL C-I ODGIONED BY RGJA CORONEL ORAWING BY JUE GEMARCO Detail transverse wing pivot bearing projects through fuselage side high-speed tab stop horizontal stripe just above white arrows crossed white stripes show wing positions forthe high- low-speed positions Note RC switch battery charging plug Landing gear strut bottom elevator control horn its removable cover left wing-tip aileron right-bank position Anotner view winglip aileron auxiliary area-increasing cover shown just left auxiliary cover needed could converted monoplane high-lift-producing wing remaining stable flight 2 would reduce practice prove practical feasibility new concept patent purposes Much thought put design Coronel Transverse Wing-equipped RC experi mental aircraft author did considerable research present kits available might suitable project After investigating numerous literature catalogs author deter mined following design parameters should prevail 1 aircraft should designed util ize powerplant 40 cu range would allow aircraft built sufficient power necessary desired flight character istics would aiso provide aircraft sufficient fuselage space mechanical components power wing tilting system 2 basic aircraft design should high-wing monoplane requirement stems necessity locate secondary transverse wing below rear primary wing Since addition second set wings behind original set would change center gravity aircraft fuselage would have lengthened 3 finest components con struction should sought minimize probability type failure affecting flight aircraft 4 well-designed kit redesigned meet specifications 66 Model Aviation Look movable surfaces low-speed wings/flaps configuration Note position flap horn bottom wing also flap deflection upper wing raum U 32 years orna noias acneaor ana Masters de grees University Hawaii currently Doctoral candidate University Wisconsin Madison has seeking solutions tothe high-speed high-liftairfoll con fiictforl5years also conducting research alternative fueled aircraft engines Thisisthe hgn-spuowngsrapsungura.un nutunu pusuuru vi ruuunnru wings flap position upper wings flap Detail transverse wing pivot bearing block attachment transverse wing actuator servo again time low removable joiner its self-locking pins control arm speed position Note reinforced pushrods aircraft would considerably reduce construc tion part-locating time Midwest Products Company initially identified kit selection since line pro duction kits included two aircraft appeared meet specifications project Designer Jim Newman Midwest contacted agreed furnish plans two aircraft produced author found design Strikemaster possess qualities desired conversion experimental aircraft Kraft-manufactured Tower Hobbies 6channel radio selected purchased four KPS 15 servos transmitter receiver proportional 5th channel well suited operate transverse wing actuation system high-torque 1800 KPS 16 servo operate transverse wing tilting system purchased directly Kraft powerplant aircraft obtained using newly introduced Fox 45 cu Schnuerle-ported engine engine produced 1 horsepower proved faultlessly reliable little break-in period obtained Since flight testing occurred late winter muffler utilized engine control combustion temperature thus preventing glow plug cooling Since author inventor-designer little flight experience pilot aircraft sought Mr John Lusk president Madison Area Radio Control Society MARCS Madison Wisconsin agreed participate project pilot advisor Mr Ralph Bethke Madison Wisconsin volunteered pilots assistant Once aircraft kit major components selected obtained redesign con struction aircraft began initial section constructed primary upper fixed wing foam wing cores shortened 3 wing tip total 6 bottom curved surface foam cores shaved off belt sander leaving flat bottom slot aileron control rods cut bottom foam cores slot milled Y2 router bit depth wing cores next joined together square hole cut bottom center core unit future placement aileron control servo Four metal bearings next constructed -wide brass strips Detail transverse wing servoactuator associated linkage End servo arm hidden left fuselage side Note upper wing flap also actuated servo opposite end servo arm Shown high-speed position May 1980 67 view somewhat misleading removable tail cone showing easy access rudder horn Note keying dowels mount ing tabs retaining screws just beIow arrows point actuation rod transverse wings flaps exits fuselage side Just slightly above wood high-speed tab stop forthe transverse wing picture gives another good look articulation two sets flaps Detail removable bottom hatch landing gear attached n nIgr1-peuo dirloil IonhIgurduon ijujei Un up IWIfl rIU tI1 wing-tip aileron seen edge-on low-speed airfoil section left wing-tip aileron seen edge-on drilled aileron control rod bearing center brass bearing mounts 2 length inboard bearings 3 length wing tip bearings e brass tubing bearing soldered tubing interior diameter 3/32 brass aileron control rods Control levers 1 length next constructed soldered inboard end aileron control rods control levers drilled upper end installation Du-Bro 1/16 threaded ball links inboard brass bearing mounts epoxied 1/16 thick piece ofplywood approximately 3 length Outboard bearing mounts epoxied 4 length plywood Slots cut foam core er wing seam inboard brass bearings wood mounts Slight depressions wing tips foam cores hollowed wing tip wood bearing mounts could epoxied flush finish aileron bearing wood mounts attached bearings control rods next epoxied foam core wing skins attached leading trailing edges mounted pre-finished Fulllength wing flaps mounted trailing edges flaps replaced normal strip ailerons usually mounted location What would normally aileron control horns converted flap control horns would later connected KPS 16 servo via reinforced control rod wing flaps installed Cooney Gapless Hinges other hinged surfaces author cannot underestimate quality compatibility convenience product Because numerous flaps used Trans verse Wing System product other helped success project technical assistance received Foremost Racing Products Forest Grove Oregon installation hinge appreciated hinges installed help gapless hinge slotter device runs length edge slotted device cuts slot pre-determined depth within pre-set width hinge inserted pinned place cyanoacrylate adhesive allowed flow along edge strip hinge edge Capillary action carries cement joint secure permanent installation wings finished off using standard pro cedures included mounting fiberglass reinforcing tape mid-seam combination MonoKote Solarfilm used cover wing heat sensitive coverings capable being applied directly Cooney Gapless Hinge resulting clean appearing virtually friction-free hinge attractive-appearing wing Design aircraft required interior components fuselage readily accessible moments notice emergency adjust ments repairs Therefore unusual number access hatch doors designed air craft Strikemaster fuselage its welldesigned laminated sides well suited conversions no loss strength Construction fuselage proceeded accord ing Strikemaster plans following conversions 1 wood engine mounts discarded favor Kraft fiberglass 40-size mount slightly enlarged accept Fox 45 engine 2 Upper sheeting behind primary wing discarded favor plywood removable access hatch cover cover allowed access installation adjustment transverse wing mechanical actuation system 3 wire landing gear discarded favor HalIco heavy-duty landing gear unit Continued page 121 68 Model Aviation i-1 s engine installation Fox Schnuerle-port 45 Kraft mount Cowl carved balsa help belt sander Moto-Tool Coronel has high praise engines power reliability Goldberg spinner Top Flite nylon prop Hatch access fuel tank nose t-1 ready for e muffler added primarily keep engines combus tion temperature up during winter operation research vehiclenot sport flier HOT STUFF' THE ORIGINAL HOBBY CYANOACRYLATE ADHESIVE just way YOU want HOT STUFFM ORIGINAL CLEAR FORMULA low viscositydeep penetration INSTANT BOND RATE 3 10 sec started 142 GR oz395 7 GR z225 567 GR 1200 HOT STUFFM GAP FILLING EU LINEEFILLETING POSITIONABLE EXCLUSIVE VISIBLE FORMULAHIGH VISCOSITY low viscositydeep penetrationTIMED BOND 10 25 sec INSTANT BOND RATE 3 10 secUse like regular glue wait 142 GR oz 495142GR Z 7 GR oz 5 ALL u AT YOUR DEALERS NOW 567 GR 2 oz 1200 HOT STUFFM ezt*i2&5e Oe9 PO BOX 836 VALLEY CALIFORNIA USA e 805 522-0062 frequently fly brush-covered riverbed felt puncture resistence Mono Kote worth slight bit added weight Besides looks great works easily over compound curves outer ends wing stabilizer fly favorable environment use lightweight Silkspan 00 Japanese tissue youll save few grams covering fuselage bottom first sides top finally pylon cover sequence overlaps will face downward leaving no ridges fuel settle fuselage covered temporarily stick round toothpicks holes fire wall paint whole front end epoxy will completely fuelproof built wing panels flat its during covering induce warps use MonoKote just iron twisting panel applying heat cooling rapidly cover paper setting warps little laborious since youll have shim after coat 50/50 dope rest panel pinned weighted down landing gear always pain LG California Kid no exception although its less troublesome like can bend two pieces wire LG however made up four pieces assembled two units plug aluminum tubes side fuselage secured little epoxy Whichever way choose go Id recom mend fastening rear legs front ones method Bend wires correct shapes glue together just dab epoxy has dried bind joints thor oughly copper wire Now take epoxy rub over through wire tech nique works fine plane weight Flying Now comes moment truththe first flight before ever leave home sure wing warps match plan CG correct location incidence wing stabilizer built correct angle want avoid flyaway youll have run some experiments fuel consumption might well home too Begin running engine enough warm up thoroughy take eyedropper short length fuel line end draw small amount fuel can squeeze empty tank 020s misers doesnt require much adjust needle valve setting youll using flight start engine time long runs have determined what amount fuel good say 20-second engine run make some kind mark dropper neck future reference procedure works fine about 50% time would nearly foolproof except fact reed valve englnes just happy running backwards forward start backwards least half time use starting spring supplied englne odds will improve considerably Now Out flying field mythical place deep grass no breeze some test glides Youre am- ing smooth flat glide will land about zi feet front plane dives down far short mark shim up rear stab 1/32 time until diving tendency disappears Keep adding negative incidence stab until plane begins stall back offjust bit should set go couple final notes glide First certain release correct plane should leave hand slight downward angle release nose high will stall no matter well poorly adjusted second plane seems exhibit tendency dive stall try again again may what observed first time resulted bad launch mist wind Finally youre ready send California Kid up under power commonly used method test new high performance free flight gas ship begin reduced power short engine runs observe carefullymake minute adjustments needed slowly work up optimum trim California Kid method can used initially placing prop backwards reduce thrust riching fuel mixture both reduces power shortens engine run its final trim under full power youll want plane fly up fairly tight right spiral followed transition open right-hand circle hangs prop shim bit downthrust straight-up climb looks sensational usually results horrible transition dips right its first spiral add hair left thrust flies left go hobby store balsa Pylon planes rarely fly left once Good luck California Kid sure light DT fuse flight 3 ounces theres just much reason ever come down C-i /Coronel continued page 68 landing gear bolted plywood access hatch approximately 10 length turn bolted eight bolts belly air craft allowed access hatch landing gear removed unit thus allowing additional service room adjustment tilt control mechanisms radio 4 tail aircraft extended approximately 3 using removable tail cone 3 length designed fuselage allowed rapid ob struction-free access rudder control horn necessary 5 stabilizer converted T-tail configuration necessary tre mendous changes airflow about lower tail portion aircraft could expected actuation transverse wing system elevator control mechanism consisted Nyrod flexible pushrod attached end elevator horn elevator servo other end Installation Nyrod required cutting curved slot top rear vertical stabilizer bottom front allowed Nyrod proceed relatively straight through fuselage servo front rear sections vertical stabilizer pinned wood board Nyrod epoxied full curved length between Thin balsa sheeting next applied both sides vertical stabilizer allowed dry horizontal stabilizer installed top vertical stabilizer ngles joints removable access hatch top elevator covered elevator control horn provided ability adjustment elevator tilt limits tail unit installed additional 3 rear fuselage ngle blocks added joint additional support Care taken give stabilizer zero-zero angle incidence primary wing Both controllable elevator rudder given 20% increase surface area engine cowl turned out diffi May 1980 121 two classics Flyline ITS HERE 111- SEE YOUR LOCAL HOBBY DEALER READY NOW send 25 t catalog 34 span 020 power single channel nc or$1595 free flight OUAKER FLASH Power 39 Wingspan $2495 FLYLINE MODELS INC 2820 OORR AVENUE B ii Farman Moustique FAIRFAX VIRGINIA 22031 703 573-2038 P 0 BOX 2498-MA PeekPy.esLA MOSA CALIF 92041 w HONE 1714 4698675 442-4636 1 cult part fabricate design called cowl constructed one-piece unit completely removable engine attached basic cowl block formed four pieces a epoxied form square box hollowed inside Dremel hand grinder Exterior curves slowly formed belt sander thickness completed unit ranged erior cowl well-coated mixture epoxy alcohol thinned epoxy penetrated deep within wood resulting extremely strong durable unit joints within fuselage double-glued epoxy special bulkhead between fuel compartment radio compartment constructed balsa coated epoxy prevent accidental leakage fuel steer ing nosewheel control linkages installed Sullivan SS-8 fuel tank line filter installed servo tray engine elevator rudder servos along control rods installed Special brass bearings constructed support transverse wings units con sisted 3 X 1W brass plates brass bearing tubes soldered middle s reinforc ing plate soldered approximately e main plate ends reinforcing plate bent down soldered against main plate Numerous holes drilled around edge main plate allow safe secure fastening units interior walls fuselage epoxy Construction transverse wings proceeded basic balsa ribs balsa sheeting Spruce wood stringers added strength top bottom ribs Three plywood ribs made per wing wingpivot supportrods secured against ribs epoxy pivoting rods eter brass rein forcing rods soldered inside end pivoting rods soldered 1 X s plate small holes drilled along edges end epoxied plywood ribs other end pivoting rods extended out inboard transverse wing ends brass bearings fuselage pivoting rods both transverse wings drilled additional drilled brass cover located between bearings would join two transverse wings lock together system self-locking pins Removal locking pins allowed transverse wing slid Out bearing removed trans portation middle brass locking cover soldered brass control arm approxi mately 2 length top control arm Du-Bro 1/16 threaded balilink mounted attached reinforced control rod 1800 KPS 16 servo mounted rear fuselage Positioning transverse wings demanded precise alignment First fuselage measured found perfectly square Next leading edges both transverse wings taped trailing edges primary wing flaps Maximum transverse wing angle 450 marked fuselage Holes drilled fuselage proper location main support bearings epoxied inside walls fuselage Transverse wing-tilt limits high-speed position consisted aerodynamically carved hardwood blocks attached both sides fuselage blocks located leading inboard transverse wing edge would firmly lock down upon felt-covered blocks high-speed position possible since KPS 16 servo actually rotated few degrees beyond its 1800 limits thus preventing unlocking radio com mand High-lift tilt limits consisted felt-covered reinforced brass limit tabs 1 X ied rear primary wing flaps few inches wing tips would contact limit transverse wings tilted maximum high-lift position Care taken during final finishing removable hatches covers identified white strip Goldberg multi-stripe tape placed along edges covers red yellow color scheme selected photographic purposes Maximum minimum wing tilt angles taped sides fuselage degree wing tilt might later identified photographs USA markings selected represent American effort Flight testing C-i occurred March 1st 1979 flight field near Madison Wisconsin Some snow ground air temperature 400 8-mph winds Northeast Pilot John Lusk fueled aircraft prepared flight initial flight aborted aircraft found tail heavy Lead placed nose next flight aircraft lifted off well responded well wing-tip ailerons Altitude gained transverse wings unlocked partially tilted pilots assistant aircraft flew quite well partial tilting transverse wings experienced reduction speed slight nose-down angle Full actuation wing system attempted aircraft experienced tendency roll left suggested specially constructed aileron covers added provide additional lateral stability covers consisted two sheets balsa designed fit over existing ailerons covers increased aileron surface approximately 33% pilot achieved level sustained flight transverse wings full tilt next flight Additional flights conducted afternoon transverse wings successfully tilting various degrees aircraft successfully recovered damage Success aircraft determined fact did achieve flight status trans verse wings successfully tilted maximum returned minimum flight Conclusions drawn flight testing follows 1 transverse wing concept feasible high-speed biplane can successfully converted flight high-lift producing monoplane 2 Extremely slow speeds can obtained aircraft designed high-speed airfoils utilizing Coronel Transverse Wing concept FLY SAFELY 122 Model Aviation Rosie sD&R Power Pod Fits COX T- D & Med 049 051 Engs Rubber Band Screw Mounting Eng mts upright Inverted Running time appx 4 mm Nylon injection moulded Power 3 lb airplanes $595/I total weight 3A oz WE ALSO MAKE BANTAM Servos D&R Sticks Connectors Buikhead Switch mounts rSdasfetY Switch eavy duty gear Wevid ade WRXm5 fair D OEJWT f,g 5wodus 3501-C W Moore St Santa Ana CA 92704 Colors RED BLACK YELLOW ORANGE Write Free CatMog Fine Pmducss Ij1 AUDIO FLIGHT TIMER Prevents dead-stick Generates incremental audio timing signals Ideal timing pattern flights case less battery $2495 Shipping Less case mounts transmitter $2195 shipping Write tree brochure Industrial Inventions Inc RD2 463 US Route 1 Monmouth Jct New Jersey 08852 PECKS MODEL MENAGERIE PEANUT SCALE KITS $395 PIETENPOI PIPER J3CUBMOTH UBBER ML WPPLIES 00 4are This
Edition: Model Aviation - 1980/05
Page Numbers: 63, 64, 65, 66, 67, 68, 121, 122
NO OCR TEXT winter snow e crafts unique features ea y eiuIe fume ogmejimes isa Dipianeas high sijeco GonTigurailon aDOve rhe projections upperwing trailing edge nearthe tips brass low-speed limittabs forthe lowerwing Odd wedge-shaped wing tips actually ailerons strip ailerons upper wing actually wing flaps will obvious other views low-speed flight C-i becomes monoplane deeply cambered wing set ata high angle incidence T-tsil neededto keepthe horizontal stabilizer Out massive downwash wing configuratloni White rectangle fuselage top outlines removable access hatch Ditto white stripe around aft end around windshield THE Coronel C-i Transverse Wing Aircraft radio-controlled aircraft designed initially flight test new concept variable high-speed high-lift airfoils concept designed create new class high-performance aircraft short takeoff landing capabilities Types aircraft capable being produced within class can range supersonic transports fighters subsonic aircraft capable landing extremely limited locations Today pro duction aircraft compromise designs lift-sustaining airfoils main set wings designed operate maximum minimum speeds aircraft operate maximum efficiency either extreme Coronel Transverse Wing concept pro poses aircraft can operate maximum efficient speeds withtwo sets ofwings biplane thin short symmetrical airfoils produce minimum drag higher speeds arrange ment need produce drag compro mise designs may indeed produce less since original airfoils will designed high speeds low speeds High-lift devices such Fowler flaps cannot incorporated thin supersonic airfoils due lack room stress supporting surfaces Therefore high lift subsonic speeds lower Transverse set wings system will tilt axis parallel trailing edge upper primary wing until trailing edge upper wing flap meets locks against leading edge lower wing Thus high-lift-producing subsonic airfoil produced two supersonic airfoils order determine practicability con verting two high-speed airfoils flight author constructed RC aircraft radio-operated transverse wing system installed aircraft once successful would serve two important functions 1 would prove aircraft two independent high-speed wings ingenious testing methods using radio-control highly modified Midwest Strikemaster proved full-scale purposes high-speed biplane can converted flight high-lift monoplane extremely slow speeds can obtained aircraft designed high-speed airfoils Paul Dennis Coronel 64 Model Aviation TRIM 3 OFF IT WiNG / N ySOLL /IALENON MINORIWIWAD AlL EORTROL IN1CORTRGL AWING FOAM SLOTASS NOD UUTS aT AL WING TIP VIEW AlL SANYO __________SIDE YEW PRMDINY RING FLAP PLY EDGE FUSELAGE T VIEW IPLYWOOD RIR-t 3/BWASS TUaNG- 1 TRANSVERSE WIIIGiWILT UP BALSA ON FOAM CONGTI ILEFT SIDE SIIOWNI TNAMYEI01E WING FLAP II HORONTAL STA8IUZERELEV IWIWESTSSWAIAS7IW ELEY CONTROL COYER LNZJ PRIMARY WIRO FOG 45 MILINIED LPRIGIT5151 LPT TILT MT T / -J FLAT BOTTOMED AJRFLR 1451 SPANS WING FUSELAGE SIDE VIEWTILT LINT LOCK / PLYWOOD BOTTOM HATOI COVERROLT TO lOT TRIANGLE STOCK 2-I/ IGIGE NYROD7MW SALDOWEL INS I-TIIRIISYKIIGE WING FLAP CONTROL HORN \ V1154 UFT PORTION TNMSW WING FLAP CONTROL NODTAIL HATCH MOJGTING TABS XIBCLT L 0 TOREMOYADEE TAIL ~ATO1 COVENHATCH LONGING GEAR 2-I/2 INlEELS May 1980 65 ENGINE 40 TO 45 CORONEL C-I ODGIONED BY RGJA CORONEL ORAWING BY JUE GEMARCO Detail transverse wing pivot bearing projects through fuselage side high-speed tab stop horizontal stripe just above white arrows crossed white stripes show wing positions forthe high- low-speed positions Note RC switch battery charging plug Landing gear strut bottom elevator control horn its removable cover left wing-tip aileron right-bank position Anotner view winglip aileron auxiliary area-increasing cover shown just left auxiliary cover needed could converted monoplane high-lift-producing wing remaining stable flight 2 would reduce practice prove practical feasibility new concept patent purposes Much thought put design Coronel Transverse Wing-equipped RC experi mental aircraft author did considerable research present kits available might suitable project After investigating numerous literature catalogs author deter mined following design parameters should prevail 1 aircraft should designed util ize powerplant 40 cu range would allow aircraft built sufficient power necessary desired flight character istics would aiso provide aircraft sufficient fuselage space mechanical components power wing tilting system 2 basic aircraft design should high-wing monoplane requirement stems necessity locate secondary transverse wing below rear primary wing Since addition second set wings behind original set would change center gravity aircraft fuselage would have lengthened 3 finest components con struction should sought minimize probability type failure affecting flight aircraft 4 well-designed kit redesigned meet specifications 66 Model Aviation Look movable surfaces low-speed wings/flaps configuration Note position flap horn bottom wing also flap deflection upper wing raum U 32 years orna noias acneaor ana Masters de grees University Hawaii currently Doctoral candidate University Wisconsin Madison has seeking solutions tothe high-speed high-liftairfoll con fiictforl5years also conducting research alternative fueled aircraft engines Thisisthe hgn-spuowngsrapsungura.un nutunu pusuuru vi ruuunnru wings flap position upper wings flap Detail transverse wing pivot bearing block attachment transverse wing actuator servo again time low removable joiner its self-locking pins control arm speed position Note reinforced pushrods aircraft would considerably reduce construc tion part-locating time Midwest Products Company initially identified kit selection since line pro duction kits included two aircraft appeared meet specifications project Designer Jim Newman Midwest contacted agreed furnish plans two aircraft produced author found design Strikemaster possess qualities desired conversion experimental aircraft Kraft-manufactured Tower Hobbies 6channel radio selected purchased four KPS 15 servos transmitter receiver proportional 5th channel well suited operate transverse wing actuation system high-torque 1800 KPS 16 servo operate transverse wing tilting system purchased directly Kraft powerplant aircraft obtained using newly introduced Fox 45 cu Schnuerle-ported engine engine produced 1 horsepower proved faultlessly reliable little break-in period obtained Since flight testing occurred late winter muffler utilized engine control combustion temperature thus preventing glow plug cooling Since author inventor-designer little flight experience pilot aircraft sought Mr John Lusk president Madison Area Radio Control Society MARCS Madison Wisconsin agreed participate project pilot advisor Mr Ralph Bethke Madison Wisconsin volunteered pilots assistant Once aircraft kit major components selected obtained redesign con struction aircraft began initial section constructed primary upper fixed wing foam wing cores shortened 3 wing tip total 6 bottom curved surface foam cores shaved off belt sander leaving flat bottom slot aileron control rods cut bottom foam cores slot milled Y2 router bit depth wing cores next joined together square hole cut bottom center core unit future placement aileron control servo Four metal bearings next constructed -wide brass strips Detail transverse wing servoactuator associated linkage End servo arm hidden left fuselage side Note upper wing flap also actuated servo opposite end servo arm Shown high-speed position May 1980 67 view somewhat misleading removable tail cone showing easy access rudder horn Note keying dowels mount ing tabs retaining screws just beIow arrows point actuation rod transverse wings flaps exits fuselage side Just slightly above wood high-speed tab stop forthe transverse wing picture gives another good look articulation two sets flaps Detail removable bottom hatch landing gear attached n nIgr1-peuo dirloil IonhIgurduon ijujei Un up IWIfl rIU tI1 wing-tip aileron seen edge-on low-speed airfoil section left wing-tip aileron seen edge-on drilled aileron control rod bearing center brass bearing mounts 2 length inboard bearings 3 length wing tip bearings e brass tubing bearing soldered tubing interior diameter 3/32 brass aileron control rods Control levers 1 length next constructed soldered inboard end aileron control rods control levers drilled upper end installation Du-Bro 1/16 threaded ball links inboard brass bearing mounts epoxied 1/16 thick piece ofplywood approximately 3 length Outboard bearing mounts epoxied 4 length plywood Slots cut foam core er wing seam inboard brass bearings wood mounts Slight depressions wing tips foam cores hollowed wing tip wood bearing mounts could epoxied flush finish aileron bearing wood mounts attached bearings control rods next epoxied foam core wing skins attached leading trailing edges mounted pre-finished Fulllength wing flaps mounted trailing edges flaps replaced normal strip ailerons usually mounted location What would normally aileron control horns converted flap control horns would later connected KPS 16 servo via reinforced control rod wing flaps installed Cooney Gapless Hinges other hinged surfaces author cannot underestimate quality compatibility convenience product Because numerous flaps used Trans verse Wing System product other helped success project technical assistance received Foremost Racing Products Forest Grove Oregon installation hinge appreciated hinges installed help gapless hinge slotter device runs length edge slotted device cuts slot pre-determined depth within pre-set width hinge inserted pinned place cyanoacrylate adhesive allowed flow along edge strip hinge edge Capillary action carries cement joint secure permanent installation wings finished off using standard pro cedures included mounting fiberglass reinforcing tape mid-seam combination MonoKote Solarfilm used cover wing heat sensitive coverings capable being applied directly Cooney Gapless Hinge resulting clean appearing virtually friction-free hinge attractive-appearing wing Design aircraft required interior components fuselage readily accessible moments notice emergency adjust ments repairs Therefore unusual number access hatch doors designed air craft Strikemaster fuselage its welldesigned laminated sides well suited conversions no loss strength Construction fuselage proceeded accord ing Strikemaster plans following conversions 1 wood engine mounts discarded favor Kraft fiberglass 40-size mount slightly enlarged accept Fox 45 engine 2 Upper sheeting behind primary wing discarded favor plywood removable access hatch cover cover allowed access installation adjustment transverse wing mechanical actuation system 3 wire landing gear discarded favor HalIco heavy-duty landing gear unit Continued page 121 68 Model Aviation i-1 s engine installation Fox Schnuerle-port 45 Kraft mount Cowl carved balsa help belt sander Moto-Tool Coronel has high praise engines power reliability Goldberg spinner Top Flite nylon prop Hatch access fuel tank nose t-1 ready for e muffler added primarily keep engines combus tion temperature up during winter operation research vehiclenot sport flier HOT STUFF' THE ORIGINAL HOBBY CYANOACRYLATE ADHESIVE just way YOU want HOT STUFFM ORIGINAL CLEAR FORMULA low viscositydeep penetration INSTANT BOND RATE 3 10 sec started 142 GR oz395 7 GR z225 567 GR 1200 HOT STUFFM GAP FILLING EU LINEEFILLETING POSITIONABLE EXCLUSIVE VISIBLE FORMULAHIGH VISCOSITY low viscositydeep penetrationTIMED BOND 10 25 sec INSTANT BOND RATE 3 10 secUse like regular glue wait 142 GR oz 495142GR Z 7 GR oz 5 ALL u AT YOUR DEALERS NOW 567 GR 2 oz 1200 HOT STUFFM ezt*i2&5e Oe9 PO BOX 836 VALLEY CALIFORNIA USA e 805 522-0062 frequently fly brush-covered riverbed felt puncture resistence Mono Kote worth slight bit added weight Besides looks great works easily over compound curves outer ends wing stabilizer fly favorable environment use lightweight Silkspan 00 Japanese tissue youll save few grams covering fuselage bottom first sides top finally pylon cover sequence overlaps will face downward leaving no ridges fuel settle fuselage covered temporarily stick round toothpicks holes fire wall paint whole front end epoxy will completely fuelproof built wing panels flat its during covering induce warps use MonoKote just iron twisting panel applying heat cooling rapidly cover paper setting warps little laborious since youll have shim after coat 50/50 dope rest panel pinned weighted down landing gear always pain LG California Kid no exception although its less troublesome like can bend two pieces wire LG however made up four pieces assembled two units plug aluminum tubes side fuselage secured little epoxy Whichever way choose go Id recom mend fastening rear legs front ones method Bend wires correct shapes glue together just dab epoxy has dried bind joints thor oughly copper wire Now take epoxy rub over through wire tech nique works fine plane weight Flying Now comes moment truththe first flight before ever leave home sure wing warps match plan CG correct location incidence wing stabilizer built correct angle want avoid flyaway youll have run some experiments fuel consumption might well home too Begin running engine enough warm up thoroughy take eyedropper short length fuel line end draw small amount fuel can squeeze empty tank 020s misers doesnt require much adjust needle valve setting youll using flight start engine time long runs have determined what amount fuel good say 20-second engine run make some kind mark dropper neck future reference procedure works fine about 50% time would nearly foolproof except fact reed valve englnes just happy running backwards forward start backwards least half time use starting spring supplied englne odds will improve considerably Now Out flying field mythical place deep grass no breeze some test glides Youre am- ing smooth flat glide will land about zi feet front plane dives down far short mark shim up rear stab 1/32 time until diving tendency disappears Keep adding negative incidence stab until plane begins stall back offjust bit should set go couple final notes glide First certain release correct plane should leave hand slight downward angle release nose high will stall no matter well poorly adjusted second plane seems exhibit tendency dive stall try again again may what observed first time resulted bad launch mist wind Finally youre ready send California Kid up under power commonly used method test new high performance free flight gas ship begin reduced power short engine runs observe carefullymake minute adjustments needed slowly work up optimum trim California Kid method can used initially placing prop backwards reduce thrust riching fuel mixture both reduces power shortens engine run its final trim under full power youll want plane fly up fairly tight right spiral followed transition open right-hand circle hangs prop shim bit downthrust straight-up climb looks sensational usually results horrible transition dips right its first spiral add hair left thrust flies left go hobby store balsa Pylon planes rarely fly left once Good luck California Kid sure light DT fuse flight 3 ounces theres just much reason ever come down C-i /Coronel continued page 68 landing gear bolted plywood access hatch approximately 10 length turn bolted eight bolts belly air craft allowed access hatch landing gear removed unit thus allowing additional service room adjustment tilt control mechanisms radio 4 tail aircraft extended approximately 3 using removable tail cone 3 length designed fuselage allowed rapid ob struction-free access rudder control horn necessary 5 stabilizer converted T-tail configuration necessary tre mendous changes airflow about lower tail portion aircraft could expected actuation transverse wing system elevator control mechanism consisted Nyrod flexible pushrod attached end elevator horn elevator servo other end Installation Nyrod required cutting curved slot top rear vertical stabilizer bottom front allowed Nyrod proceed relatively straight through fuselage servo front rear sections vertical stabilizer pinned wood board Nyrod epoxied full curved length between Thin balsa sheeting next applied both sides vertical stabilizer allowed dry horizontal stabilizer installed top vertical stabilizer ngles joints removable access hatch top elevator covered elevator control horn provided ability adjustment elevator tilt limits tail unit installed additional 3 rear fuselage ngle blocks added joint additional support Care taken give stabilizer zero-zero angle incidence primary wing Both controllable elevator rudder given 20% increase surface area engine cowl turned out diffi May 1980 121 two classics Flyline ITS HERE 111- SEE YOUR LOCAL HOBBY DEALER READY NOW send 25 t catalog 34 span 020 power single channel nc or$1595 free flight OUAKER FLASH Power 39 Wingspan $2495 FLYLINE MODELS INC 2820 OORR AVENUE B ii Farman Moustique FAIRFAX VIRGINIA 22031 703 573-2038 P 0 BOX 2498-MA PeekPy.esLA MOSA CALIF 92041 w HONE 1714 4698675 442-4636 1 cult part fabricate design called cowl constructed one-piece unit completely removable engine attached basic cowl block formed four pieces a epoxied form square box hollowed inside Dremel hand grinder Exterior curves slowly formed belt sander thickness completed unit ranged erior cowl well-coated mixture epoxy alcohol thinned epoxy penetrated deep within wood resulting extremely strong durable unit joints within fuselage double-glued epoxy special bulkhead between fuel compartment radio compartment constructed balsa coated epoxy prevent accidental leakage fuel steer ing nosewheel control linkages installed Sullivan SS-8 fuel tank line filter installed servo tray engine elevator rudder servos along control rods installed Special brass bearings constructed support transverse wings units con sisted 3 X 1W brass plates brass bearing tubes soldered middle s reinforc ing plate soldered approximately e main plate ends reinforcing plate bent down soldered against main plate Numerous holes drilled around edge main plate allow safe secure fastening units interior walls fuselage epoxy Construction transverse wings proceeded basic balsa ribs balsa sheeting Spruce wood stringers added strength top bottom ribs Three plywood ribs made per wing wingpivot supportrods secured against ribs epoxy pivoting rods eter brass rein forcing rods soldered inside end pivoting rods soldered 1 X s plate small holes drilled along edges end epoxied plywood ribs other end pivoting rods extended out inboard transverse wing ends brass bearings fuselage pivoting rods both transverse wings drilled additional drilled brass cover located between bearings would join two transverse wings lock together system self-locking pins Removal locking pins allowed transverse wing slid Out bearing removed trans portation middle brass locking cover soldered brass control arm approxi mately 2 length top control arm Du-Bro 1/16 threaded balilink mounted attached reinforced control rod 1800 KPS 16 servo mounted rear fuselage Positioning transverse wings demanded precise alignment First fuselage measured found perfectly square Next leading edges both transverse wings taped trailing edges primary wing flaps Maximum transverse wing angle 450 marked fuselage Holes drilled fuselage proper location main support bearings epoxied inside walls fuselage Transverse wing-tilt limits high-speed position consisted aerodynamically carved hardwood blocks attached both sides fuselage blocks located leading inboard transverse wing edge would firmly lock down upon felt-covered blocks high-speed position possible since KPS 16 servo actually rotated few degrees beyond its 1800 limits thus preventing unlocking radio com mand High-lift tilt limits consisted felt-covered reinforced brass limit tabs 1 X ied rear primary wing flaps few inches wing tips would contact limit transverse wings tilted maximum high-lift position Care taken during final finishing removable hatches covers identified white strip Goldberg multi-stripe tape placed along edges covers red yellow color scheme selected photographic purposes Maximum minimum wing tilt angles taped sides fuselage degree wing tilt might later identified photographs USA markings selected represent American effort Flight testing C-i occurred March 1st 1979 flight field near Madison Wisconsin Some snow ground air temperature 400 8-mph winds Northeast Pilot John Lusk fueled aircraft prepared flight initial flight aborted aircraft found tail heavy Lead placed nose next flight aircraft lifted off well responded well wing-tip ailerons Altitude gained transverse wings unlocked partially tilted pilots assistant aircraft flew quite well partial tilting transverse wings experienced reduction speed slight nose-down angle Full actuation wing system attempted aircraft experienced tendency roll left suggested specially constructed aileron covers added provide additional lateral stability covers consisted two sheets balsa designed fit over existing ailerons covers increased aileron surface approximately 33% pilot achieved level sustained flight transverse wings full tilt next flight Additional flights conducted afternoon transverse wings successfully tilting various degrees aircraft successfully recovered damage Success aircraft determined fact did achieve flight status trans verse wings successfully tilted maximum returned minimum flight Conclusions drawn flight testing follows 1 transverse wing concept feasible high-speed biplane can successfully converted flight high-lift producing monoplane 2 Extremely slow speeds can obtained aircraft designed high-speed airfoils utilizing Coronel Transverse Wing concept FLY SAFELY 122 Model Aviation Rosie sD&R Power Pod Fits COX T- D & Med 049 051 Engs Rubber Band Screw Mounting Eng mts upright Inverted Running time appx 4 mm Nylon injection moulded Power 3 lb airplanes $595/I total weight 3A oz WE ALSO MAKE BANTAM Servos D&R Sticks Connectors Buikhead Switch mounts rSdasfetY Switch eavy duty gear Wevid ade WRXm5 fair D OEJWT f,g 5wodus 3501-C W Moore St Santa Ana CA 92704 Colors RED BLACK YELLOW ORANGE Write Free CatMog Fine Pmducss Ij1 AUDIO FLIGHT TIMER Prevents dead-stick Generates incremental audio timing signals Ideal timing pattern flights case less battery $2495 Shipping Less case mounts transmitter $2195 shipping Write tree brochure Industrial Inventions Inc RD2 463 US Route 1 Monmouth Jct New Jersey 08852 PECKS MODEL MENAGERIE PEANUT SCALE KITS $395 PIETENPOI PIPER J3CUBMOTH UBBER ML WPPLIES 00 4are This
Edition: Model Aviation - 1980/05
Page Numbers: 63, 64, 65, 66, 67, 68, 121, 122
NO OCR TEXT winter snow e crafts unique features ea y eiuIe fume ogmejimes isa Dipianeas high sijeco GonTigurailon aDOve rhe projections upperwing trailing edge nearthe tips brass low-speed limittabs forthe lowerwing Odd wedge-shaped wing tips actually ailerons strip ailerons upper wing actually wing flaps will obvious other views low-speed flight C-i becomes monoplane deeply cambered wing set ata high angle incidence T-tsil neededto keepthe horizontal stabilizer Out massive downwash wing configuratloni White rectangle fuselage top outlines removable access hatch Ditto white stripe around aft end around windshield THE Coronel C-i Transverse Wing Aircraft radio-controlled aircraft designed initially flight test new concept variable high-speed high-lift airfoils concept designed create new class high-performance aircraft short takeoff landing capabilities Types aircraft capable being produced within class can range supersonic transports fighters subsonic aircraft capable landing extremely limited locations Today pro duction aircraft compromise designs lift-sustaining airfoils main set wings designed operate maximum minimum speeds aircraft operate maximum efficiency either extreme Coronel Transverse Wing concept pro poses aircraft can operate maximum efficient speeds withtwo sets ofwings biplane thin short symmetrical airfoils produce minimum drag higher speeds arrange ment need produce drag compro mise designs may indeed produce less since original airfoils will designed high speeds low speeds High-lift devices such Fowler flaps cannot incorporated thin supersonic airfoils due lack room stress supporting surfaces Therefore high lift subsonic speeds lower Transverse set wings system will tilt axis parallel trailing edge upper primary wing until trailing edge upper wing flap meets locks against leading edge lower wing Thus high-lift-producing subsonic airfoil produced two supersonic airfoils order determine practicability con verting two high-speed airfoils flight author constructed RC aircraft radio-operated transverse wing system installed aircraft once successful would serve two important functions 1 would prove aircraft two independent high-speed wings ingenious testing methods using radio-control highly modified Midwest Strikemaster proved full-scale purposes high-speed biplane can converted flight high-lift monoplane extremely slow speeds can obtained aircraft designed high-speed airfoils Paul Dennis Coronel 64 Model Aviation TRIM 3 OFF IT WiNG / N ySOLL /IALENON MINORIWIWAD AlL EORTROL IN1CORTRGL AWING FOAM SLOTASS NOD UUTS aT AL WING TIP VIEW AlL SANYO __________SIDE YEW PRMDINY RING FLAP PLY EDGE FUSELAGE T VIEW IPLYWOOD RIR-t 3/BWASS TUaNG- 1 TRANSVERSE WIIIGiWILT UP BALSA ON FOAM CONGTI ILEFT SIDE SIIOWNI TNAMYEI01E WING FLAP II HORONTAL STA8IUZERELEV IWIWESTSSWAIAS7IW ELEY CONTROL COYER LNZJ PRIMARY WIRO FOG 45 MILINIED LPRIGIT5151 LPT TILT MT T / -J FLAT BOTTOMED AJRFLR 1451 SPANS WING FUSELAGE SIDE VIEWTILT LINT LOCK / PLYWOOD BOTTOM HATOI COVERROLT TO lOT TRIANGLE STOCK 2-I/ IGIGE NYROD7MW SALDOWEL INS I-TIIRIISYKIIGE WING FLAP CONTROL HORN \ V1154 UFT PORTION TNMSW WING FLAP CONTROL NODTAIL HATCH MOJGTING TABS XIBCLT L 0 TOREMOYADEE TAIL ~ATO1 COVENHATCH LONGING GEAR 2-I/2 INlEELS May 1980 65 ENGINE 40 TO 45 CORONEL C-I ODGIONED BY RGJA CORONEL ORAWING BY JUE GEMARCO Detail transverse wing pivot bearing projects through fuselage side high-speed tab stop horizontal stripe just above white arrows crossed white stripes show wing positions forthe high- low-speed positions Note RC switch battery charging plug Landing gear strut bottom elevator control horn its removable cover left wing-tip aileron right-bank position Anotner view winglip aileron auxiliary area-increasing cover shown just left auxiliary cover needed could converted monoplane high-lift-producing wing remaining stable flight 2 would reduce practice prove practical feasibility new concept patent purposes Much thought put design Coronel Transverse Wing-equipped RC experi mental aircraft author did considerable research present kits available might suitable project After investigating numerous literature catalogs author deter mined following design parameters should prevail 1 aircraft should designed util ize powerplant 40 cu range would allow aircraft built sufficient power necessary desired flight character istics would aiso provide aircraft sufficient fuselage space mechanical components power wing tilting system 2 basic aircraft design should high-wing monoplane requirement stems necessity locate secondary transverse wing below rear primary wing Since addition second set wings behind original set would change center gravity aircraft fuselage would have lengthened 3 finest components con struction should sought minimize probability type failure affecting flight aircraft 4 well-designed kit redesigned meet specifications 66 Model Aviation Look movable surfaces low-speed wings/flaps configuration Note position flap horn bottom wing also flap deflection upper wing raum U 32 years orna noias acneaor ana Masters de grees University Hawaii currently Doctoral candidate University Wisconsin Madison has seeking solutions tothe high-speed high-liftairfoll con fiictforl5years also conducting research alternative fueled aircraft engines Thisisthe hgn-spuowngsrapsungura.un nutunu pusuuru vi ruuunnru wings flap position upper wings flap Detail transverse wing pivot bearing block attachment transverse wing actuator servo again time low removable joiner its self-locking pins control arm speed position Note reinforced pushrods aircraft would considerably reduce construc tion part-locating time Midwest Products Company initially identified kit selection since line pro duction kits included two aircraft appeared meet specifications project Designer Jim Newman Midwest contacted agreed furnish plans two aircraft produced author found design Strikemaster possess qualities desired conversion experimental aircraft Kraft-manufactured Tower Hobbies 6channel radio selected purchased four KPS 15 servos transmitter receiver proportional 5th channel well suited operate transverse wing actuation system high-torque 1800 KPS 16 servo operate transverse wing tilting system purchased directly Kraft powerplant aircraft obtained using newly introduced Fox 45 cu Schnuerle-ported engine engine produced 1 horsepower proved faultlessly reliable little break-in period obtained Since flight testing occurred late winter muffler utilized engine control combustion temperature thus preventing glow plug cooling Since author inventor-designer little flight experience pilot aircraft sought Mr John Lusk president Madison Area Radio Control Society MARCS Madison Wisconsin agreed participate project pilot advisor Mr Ralph Bethke Madison Wisconsin volunteered pilots assistant Once aircraft kit major components selected obtained redesign con struction aircraft began initial section constructed primary upper fixed wing foam wing cores shortened 3 wing tip total 6 bottom curved surface foam cores shaved off belt sander leaving flat bottom slot aileron control rods cut bottom foam cores slot milled Y2 router bit depth wing cores next joined together square hole cut bottom center core unit future placement aileron control servo Four metal bearings next constructed -wide brass strips Detail transverse wing servoactuator associated linkage End servo arm hidden left fuselage side Note upper wing flap also actuated servo opposite end servo arm Shown high-speed position May 1980 67 view somewhat misleading removable tail cone showing easy access rudder horn Note keying dowels mount ing tabs retaining screws just beIow arrows point actuation rod transverse wings flaps exits fuselage side Just slightly above wood high-speed tab stop forthe transverse wing picture gives another good look articulation two sets flaps Detail removable bottom hatch landing gear attached n nIgr1-peuo dirloil IonhIgurduon ijujei Un up IWIfl rIU tI1 wing-tip aileron seen edge-on low-speed airfoil section left wing-tip aileron seen edge-on drilled aileron control rod bearing center brass bearing mounts 2 length inboard bearings 3 length wing tip bearings e brass tubing bearing soldered tubing interior diameter 3/32 brass aileron control rods Control levers 1 length next constructed soldered inboard end aileron control rods control levers drilled upper end installation Du-Bro 1/16 threaded ball links inboard brass bearing mounts epoxied 1/16 thick piece ofplywood approximately 3 length Outboard bearing mounts epoxied 4 length plywood Slots cut foam core er wing seam inboard brass bearings wood mounts Slight depressions wing tips foam cores hollowed wing tip wood bearing mounts could epoxied flush finish aileron bearing wood mounts attached bearings control rods next epoxied foam core wing skins attached leading trailing edges mounted pre-finished Fulllength wing flaps mounted trailing edges flaps replaced normal strip ailerons usually mounted location What would normally aileron control horns converted flap control horns would later connected KPS 16 servo via reinforced control rod wing flaps installed Cooney Gapless Hinges other hinged surfaces author cannot underestimate quality compatibility convenience product Because numerous flaps used Trans verse Wing System product other helped success project technical assistance received Foremost Racing Products Forest Grove Oregon installation hinge appreciated hinges installed help gapless hinge slotter device runs length edge slotted device cuts slot pre-determined depth within pre-set width hinge inserted pinned place cyanoacrylate adhesive allowed flow along edge strip hinge edge Capillary action carries cement joint secure permanent installation wings finished off using standard pro cedures included mounting fiberglass reinforcing tape mid-seam combination MonoKote Solarfilm used cover wing heat sensitive coverings capable being applied directly Cooney Gapless Hinge resulting clean appearing virtually friction-free hinge attractive-appearing wing Design aircraft required interior components fuselage readily accessible moments notice emergency adjust ments repairs Therefore unusual number access hatch doors designed air craft Strikemaster fuselage its welldesigned laminated sides well suited conversions no loss strength Construction fuselage proceeded accord ing Strikemaster plans following conversions 1 wood engine mounts discarded favor Kraft fiberglass 40-size mount slightly enlarged accept Fox 45 engine 2 Upper sheeting behind primary wing discarded favor plywood removable access hatch cover cover allowed access installation adjustment transverse wing mechanical actuation system 3 wire landing gear discarded favor HalIco heavy-duty landing gear unit Continued page 121 68 Model Aviation i-1 s engine installation Fox Schnuerle-port 45 Kraft mount Cowl carved balsa help belt sander Moto-Tool Coronel has high praise engines power reliability Goldberg spinner Top Flite nylon prop Hatch access fuel tank nose t-1 ready for e muffler added primarily keep engines combus tion temperature up during winter operation research vehiclenot sport flier HOT STUFF' THE ORIGINAL HOBBY CYANOACRYLATE ADHESIVE just way YOU want HOT STUFFM ORIGINAL CLEAR FORMULA low viscositydeep penetration INSTANT BOND RATE 3 10 sec started 142 GR oz395 7 GR z225 567 GR 1200 HOT STUFFM GAP FILLING EU LINEEFILLETING POSITIONABLE EXCLUSIVE VISIBLE FORMULAHIGH VISCOSITY low viscositydeep penetrationTIMED BOND 10 25 sec INSTANT BOND RATE 3 10 secUse like regular glue wait 142 GR oz 495142GR Z 7 GR oz 5 ALL u AT YOUR DEALERS NOW 567 GR 2 oz 1200 HOT STUFFM ezt*i2&5e Oe9 PO BOX 836 VALLEY CALIFORNIA USA e 805 522-0062 frequently fly brush-covered riverbed felt puncture resistence Mono Kote worth slight bit added weight Besides looks great works easily over compound curves outer ends wing stabilizer fly favorable environment use lightweight Silkspan 00 Japanese tissue youll save few grams covering fuselage bottom first sides top finally pylon cover sequence overlaps will face downward leaving no ridges fuel settle fuselage covered temporarily stick round toothpicks holes fire wall paint whole front end epoxy will completely fuelproof built wing panels flat its during covering induce warps use MonoKote just iron twisting panel applying heat cooling rapidly cover paper setting warps little laborious since youll have shim after coat 50/50 dope rest panel pinned weighted down landing gear always pain LG California Kid no exception although its less troublesome like can bend two pieces wire LG however made up four pieces assembled two units plug aluminum tubes side fuselage secured little epoxy Whichever way choose go Id recom mend fastening rear legs front ones method Bend wires correct shapes glue together just dab epoxy has dried bind joints thor oughly copper wire Now take epoxy rub over through wire tech nique works fine plane weight Flying Now comes moment truththe first flight before ever leave home sure wing warps match plan CG correct location incidence wing stabilizer built correct angle want avoid flyaway youll have run some experiments fuel consumption might well home too Begin running engine enough warm up thoroughy take eyedropper short length fuel line end draw small amount fuel can squeeze empty tank 020s misers doesnt require much adjust needle valve setting youll using flight start engine time long runs have determined what amount fuel good say 20-second engine run make some kind mark dropper neck future reference procedure works fine about 50% time would nearly foolproof except fact reed valve englnes just happy running backwards forward start backwards least half time use starting spring supplied englne odds will improve considerably Now Out flying field mythical place deep grass no breeze some test glides Youre am- ing smooth flat glide will land about zi feet front plane dives down far short mark shim up rear stab 1/32 time until diving tendency disappears Keep adding negative incidence stab until plane begins stall back offjust bit should set go couple final notes glide First certain release correct plane should leave hand slight downward angle release nose high will stall no matter well poorly adjusted second plane seems exhibit tendency dive stall try again again may what observed first time resulted bad launch mist wind Finally youre ready send California Kid up under power commonly used method test new high performance free flight gas ship begin reduced power short engine runs observe carefullymake minute adjustments needed slowly work up optimum trim California Kid method can used initially placing prop backwards reduce thrust riching fuel mixture both reduces power shortens engine run its final trim under full power youll want plane fly up fairly tight right spiral followed transition open right-hand circle hangs prop shim bit downthrust straight-up climb looks sensational usually results horrible transition dips right its first spiral add hair left thrust flies left go hobby store balsa Pylon planes rarely fly left once Good luck California Kid sure light DT fuse flight 3 ounces theres just much reason ever come down C-i /Coronel continued page 68 landing gear bolted plywood access hatch approximately 10 length turn bolted eight bolts belly air craft allowed access hatch landing gear removed unit thus allowing additional service room adjustment tilt control mechanisms radio 4 tail aircraft extended approximately 3 using removable tail cone 3 length designed fuselage allowed rapid ob struction-free access rudder control horn necessary 5 stabilizer converted T-tail configuration necessary tre mendous changes airflow about lower tail portion aircraft could expected actuation transverse wing system elevator control mechanism consisted Nyrod flexible pushrod attached end elevator horn elevator servo other end Installation Nyrod required cutting curved slot top rear vertical stabilizer bottom front allowed Nyrod proceed relatively straight through fuselage servo front rear sections vertical stabilizer pinned wood board Nyrod epoxied full curved length between Thin balsa sheeting next applied both sides vertical stabilizer allowed dry horizontal stabilizer installed top vertical stabilizer ngles joints removable access hatch top elevator covered elevator control horn provided ability adjustment elevator tilt limits tail unit installed additional 3 rear fuselage ngle blocks added joint additional support Care taken give stabilizer zero-zero angle incidence primary wing Both controllable elevator rudder given 20% increase surface area engine cowl turned out diffi May 1980 121 two classics Flyline ITS HERE 111- SEE YOUR LOCAL HOBBY DEALER READY NOW send 25 t catalog 34 span 020 power single channel nc or$1595 free flight OUAKER FLASH Power 39 Wingspan $2495 FLYLINE MODELS INC 2820 OORR AVENUE B ii Farman Moustique FAIRFAX VIRGINIA 22031 703 573-2038 P 0 BOX 2498-MA PeekPy.esLA MOSA CALIF 92041 w HONE 1714 4698675 442-4636 1 cult part fabricate design called cowl constructed one-piece unit completely removable engine attached basic cowl block formed four pieces a epoxied form square box hollowed inside Dremel hand grinder Exterior curves slowly formed belt sander thickness completed unit ranged erior cowl well-coated mixture epoxy alcohol thinned epoxy penetrated deep within wood resulting extremely strong durable unit joints within fuselage double-glued epoxy special bulkhead between fuel compartment radio compartment constructed balsa coated epoxy prevent accidental leakage fuel steer ing nosewheel control linkages installed Sullivan SS-8 fuel tank line filter installed servo tray engine elevator rudder servos along control rods installed Special brass bearings constructed support transverse wings units con sisted 3 X 1W brass plates brass bearing tubes soldered middle s reinforc ing plate soldered approximately e main plate ends reinforcing plate bent down soldered against main plate Numerous holes drilled around edge main plate allow safe secure fastening units interior walls fuselage epoxy Construction transverse wings proceeded basic balsa ribs balsa sheeting Spruce wood stringers added strength top bottom ribs Three plywood ribs made per wing wingpivot supportrods secured against ribs epoxy pivoting rods eter brass rein forcing rods soldered inside end pivoting rods soldered 1 X s plate small holes drilled along edges end epoxied plywood ribs other end pivoting rods extended out inboard transverse wing ends brass bearings fuselage pivoting rods both transverse wings drilled additional drilled brass cover located between bearings would join two transverse wings lock together system self-locking pins Removal locking pins allowed transverse wing slid Out bearing removed trans portation middle brass locking cover soldered brass control arm approxi mately 2 length top control arm Du-Bro 1/16 threaded balilink mounted attached reinforced control rod 1800 KPS 16 servo mounted rear fuselage Positioning transverse wings demanded precise alignment First fuselage measured found perfectly square Next leading edges both transverse wings taped trailing edges primary wing flaps Maximum transverse wing angle 450 marked fuselage Holes drilled fuselage proper location main support bearings epoxied inside walls fuselage Transverse wing-tilt limits high-speed position consisted aerodynamically carved hardwood blocks attached both sides fuselage blocks located leading inboard transverse wing edge would firmly lock down upon felt-covered blocks high-speed position possible since KPS 16 servo actually rotated few degrees beyond its 1800 limits thus preventing unlocking radio com mand High-lift tilt limits consisted felt-covered reinforced brass limit tabs 1 X ied rear primary wing flaps few inches wing tips would contact limit transverse wings tilted maximum high-lift position Care taken during final finishing removable hatches covers identified white strip Goldberg multi-stripe tape placed along edges covers red yellow color scheme selected photographic purposes Maximum minimum wing tilt angles taped sides fuselage degree wing tilt might later identified photographs USA markings selected represent American effort Flight testing C-i occurred March 1st 1979 flight field near Madison Wisconsin Some snow ground air temperature 400 8-mph winds Northeast Pilot John Lusk fueled aircraft prepared flight initial flight aborted aircraft found tail heavy Lead placed nose next flight aircraft lifted off well responded well wing-tip ailerons Altitude gained transverse wings unlocked partially tilted pilots assistant aircraft flew quite well partial tilting transverse wings experienced reduction speed slight nose-down angle Full actuation wing system attempted aircraft experienced tendency roll left suggested specially constructed aileron covers added provide additional lateral stability covers consisted two sheets balsa designed fit over existing ailerons covers increased aileron surface approximately 33% pilot achieved level sustained flight transverse wings full tilt next flight Additional flights conducted afternoon transverse wings successfully tilting various degrees aircraft successfully recovered damage Success aircraft determined fact did achieve flight status trans verse wings successfully tilted maximum returned minimum flight Conclusions drawn flight testing follows 1 transverse wing concept feasible high-speed biplane can successfully converted flight high-lift producing monoplane 2 Extremely slow speeds can obtained aircraft designed high-speed airfoils utilizing Coronel Transverse Wing concept FLY SAFELY 122 Model Aviation Rosie sD&R Power Pod Fits COX T- D & Med 049 051 Engs Rubber Band Screw Mounting Eng mts upright Inverted Running time appx 4 mm Nylon injection moulded Power 3 lb airplanes $595/I total weight 3A oz WE ALSO MAKE BANTAM Servos D&R Sticks Connectors Buikhead Switch mounts rSdasfetY Switch eavy duty gear Wevid ade WRXm5 fair D OEJWT f,g 5wodus 3501-C W Moore St Santa Ana CA 92704 Colors RED BLACK YELLOW ORANGE Write Free CatMog Fine Pmducss Ij1 AUDIO FLIGHT TIMER Prevents dead-stick Generates incremental audio timing signals Ideal timing pattern flights case less battery $2495 Shipping Less case mounts transmitter $2195 shipping Write tree brochure Industrial Inventions Inc RD2 463 US Route 1 Monmouth Jct New Jersey 08852 PECKS MODEL MENAGERIE PEANUT SCALE KITS $395 PIETENPOI PIPER J3CUBMOTH UBBER ML WPPLIES 00 4are This
Edition: Model Aviation - 1980/05
Page Numbers: 63, 64, 65, 66, 67, 68, 121, 122
NO OCR TEXT winter snow e crafts unique features ea y eiuIe fume ogmejimes isa Dipianeas high sijeco GonTigurailon aDOve rhe projections upperwing trailing edge nearthe tips brass low-speed limittabs forthe lowerwing Odd wedge-shaped wing tips actually ailerons strip ailerons upper wing actually wing flaps will obvious other views low-speed flight C-i becomes monoplane deeply cambered wing set ata high angle incidence T-tsil neededto keepthe horizontal stabilizer Out massive downwash wing configuratloni White rectangle fuselage top outlines removable access hatch Ditto white stripe around aft end around windshield THE Coronel C-i Transverse Wing Aircraft radio-controlled aircraft designed initially flight test new concept variable high-speed high-lift airfoils concept designed create new class high-performance aircraft short takeoff landing capabilities Types aircraft capable being produced within class can range supersonic transports fighters subsonic aircraft capable landing extremely limited locations Today pro duction aircraft compromise designs lift-sustaining airfoils main set wings designed operate maximum minimum speeds aircraft operate maximum efficiency either extreme Coronel Transverse Wing concept pro poses aircraft can operate maximum efficient speeds withtwo sets ofwings biplane thin short symmetrical airfoils produce minimum drag higher speeds arrange ment need produce drag compro mise designs may indeed produce less since original airfoils will designed high speeds low speeds High-lift devices such Fowler flaps cannot incorporated thin supersonic airfoils due lack room stress supporting surfaces Therefore high lift subsonic speeds lower Transverse set wings system will tilt axis parallel trailing edge upper primary wing until trailing edge upper wing flap meets locks against leading edge lower wing Thus high-lift-producing subsonic airfoil produced two supersonic airfoils order determine practicability con verting two high-speed airfoils flight author constructed RC aircraft radio-operated transverse wing system installed aircraft once successful would serve two important functions 1 would prove aircraft two independent high-speed wings ingenious testing methods using radio-control highly modified Midwest Strikemaster proved full-scale purposes high-speed biplane can converted flight high-lift monoplane extremely slow speeds can obtained aircraft designed high-speed airfoils Paul Dennis Coronel 64 Model Aviation TRIM 3 OFF IT WiNG / N ySOLL /IALENON MINORIWIWAD AlL EORTROL IN1CORTRGL AWING FOAM SLOTASS NOD UUTS aT AL WING TIP VIEW AlL SANYO __________SIDE YEW PRMDINY RING FLAP PLY EDGE FUSELAGE T VIEW IPLYWOOD RIR-t 3/BWASS TUaNG- 1 TRANSVERSE WIIIGiWILT UP BALSA ON FOAM CONGTI ILEFT SIDE SIIOWNI TNAMYEI01E WING FLAP II HORONTAL STA8IUZERELEV IWIWESTSSWAIAS7IW ELEY CONTROL COYER LNZJ PRIMARY WIRO FOG 45 MILINIED LPRIGIT5151 LPT TILT MT T / -J FLAT BOTTOMED AJRFLR 1451 SPANS WING FUSELAGE SIDE VIEWTILT LINT LOCK / PLYWOOD BOTTOM HATOI COVERROLT TO lOT TRIANGLE STOCK 2-I/ IGIGE NYROD7MW SALDOWEL INS I-TIIRIISYKIIGE WING FLAP CONTROL HORN \ V1154 UFT PORTION TNMSW WING FLAP CONTROL NODTAIL HATCH MOJGTING TABS XIBCLT L 0 TOREMOYADEE TAIL ~ATO1 COVENHATCH LONGING GEAR 2-I/2 INlEELS May 1980 65 ENGINE 40 TO 45 CORONEL C-I ODGIONED BY RGJA CORONEL ORAWING BY JUE GEMARCO Detail transverse wing pivot bearing projects through fuselage side high-speed tab stop horizontal stripe just above white arrows crossed white stripes show wing positions forthe high- low-speed positions Note RC switch battery charging plug Landing gear strut bottom elevator control horn its removable cover left wing-tip aileron right-bank position Anotner view winglip aileron auxiliary area-increasing cover shown just left auxiliary cover needed could converted monoplane high-lift-producing wing remaining stable flight 2 would reduce practice prove practical feasibility new concept patent purposes Much thought put design Coronel Transverse Wing-equipped RC experi mental aircraft author did considerable research present kits available might suitable project After investigating numerous literature catalogs author deter mined following design parameters should prevail 1 aircraft should designed util ize powerplant 40 cu range would allow aircraft built sufficient power necessary desired flight character istics would aiso provide aircraft sufficient fuselage space mechanical components power wing tilting system 2 basic aircraft design should high-wing monoplane requirement stems necessity locate secondary transverse wing below rear primary wing Since addition second set wings behind original set would change center gravity aircraft fuselage would have lengthened 3 finest components con struction should sought minimize probability type failure affecting flight aircraft 4 well-designed kit redesigned meet specifications 66 Model Aviation Look movable surfaces low-speed wings/flaps configuration Note position flap horn bottom wing also flap deflection upper wing raum U 32 years orna noias acneaor ana Masters de grees University Hawaii currently Doctoral candidate University Wisconsin Madison has seeking solutions tothe high-speed high-liftairfoll con fiictforl5years also conducting research alternative fueled aircraft engines Thisisthe hgn-spuowngsrapsungura.un nutunu pusuuru vi ruuunnru wings flap position upper wings flap Detail transverse wing pivot bearing block attachment transverse wing actuator servo again time low removable joiner its self-locking pins control arm speed position Note reinforced pushrods aircraft would considerably reduce construc tion part-locating time Midwest Products Company initially identified kit selection since line pro duction kits included two aircraft appeared meet specifications project Designer Jim Newman Midwest contacted agreed furnish plans two aircraft produced author found design Strikemaster possess qualities desired conversion experimental aircraft Kraft-manufactured Tower Hobbies 6channel radio selected purchased four KPS 15 servos transmitter receiver proportional 5th channel well suited operate transverse wing actuation system high-torque 1800 KPS 16 servo operate transverse wing tilting system purchased directly Kraft powerplant aircraft obtained using newly introduced Fox 45 cu Schnuerle-ported engine engine produced 1 horsepower proved faultlessly reliable little break-in period obtained Since flight testing occurred late winter muffler utilized engine control combustion temperature thus preventing glow plug cooling Since author inventor-designer little flight experience pilot aircraft sought Mr John Lusk president Madison Area Radio Control Society MARCS Madison Wisconsin agreed participate project pilot advisor Mr Ralph Bethke Madison Wisconsin volunteered pilots assistant Once aircraft kit major components selected obtained redesign con struction aircraft began initial section constructed primary upper fixed wing foam wing cores shortened 3 wing tip total 6 bottom curved surface foam cores shaved off belt sander leaving flat bottom slot aileron control rods cut bottom foam cores slot milled Y2 router bit depth wing cores next joined together square hole cut bottom center core unit future placement aileron control servo Four metal bearings next constructed -wide brass strips Detail transverse wing servoactuator associated linkage End servo arm hidden left fuselage side Note upper wing flap also actuated servo opposite end servo arm Shown high-speed position May 1980 67 view somewhat misleading removable tail cone showing easy access rudder horn Note keying dowels mount ing tabs retaining screws just beIow arrows point actuation rod transverse wings flaps exits fuselage side Just slightly above wood high-speed tab stop forthe transverse wing picture gives another good look articulation two sets flaps Detail removable bottom hatch landing gear attached n nIgr1-peuo dirloil IonhIgurduon ijujei Un up IWIfl rIU tI1 wing-tip aileron seen edge-on low-speed airfoil section left wing-tip aileron seen edge-on drilled aileron control rod bearing center brass bearing mounts 2 length inboard bearings 3 length wing tip bearings e brass tubing bearing soldered tubing interior diameter 3/32 brass aileron control rods Control levers 1 length next constructed soldered inboard end aileron control rods control levers drilled upper end installation Du-Bro 1/16 threaded ball links inboard brass bearing mounts epoxied 1/16 thick piece ofplywood approximately 3 length Outboard bearing mounts epoxied 4 length plywood Slots cut foam core er wing seam inboard brass bearings wood mounts Slight depressions wing tips foam cores hollowed wing tip wood bearing mounts could epoxied flush finish aileron bearing wood mounts attached bearings control rods next epoxied foam core wing skins attached leading trailing edges mounted pre-finished Fulllength wing flaps mounted trailing edges flaps replaced normal strip ailerons usually mounted location What would normally aileron control horns converted flap control horns would later connected KPS 16 servo via reinforced control rod wing flaps installed Cooney Gapless Hinges other hinged surfaces author cannot underestimate quality compatibility convenience product Because numerous flaps used Trans verse Wing System product other helped success project technical assistance received Foremost Racing Products Forest Grove Oregon installation hinge appreciated hinges installed help gapless hinge slotter device runs length edge slotted device cuts slot pre-determined depth within pre-set width hinge inserted pinned place cyanoacrylate adhesive allowed flow along edge strip hinge edge Capillary action carries cement joint secure permanent installation wings finished off using standard pro cedures included mounting fiberglass reinforcing tape mid-seam combination MonoKote Solarfilm used cover wing heat sensitive coverings capable being applied directly Cooney Gapless Hinge resulting clean appearing virtually friction-free hinge attractive-appearing wing Design aircraft required interior components fuselage readily accessible moments notice emergency adjust ments repairs Therefore unusual number access hatch doors designed air craft Strikemaster fuselage its welldesigned laminated sides well suited conversions no loss strength Construction fuselage proceeded accord ing Strikemaster plans following conversions 1 wood engine mounts discarded favor Kraft fiberglass 40-size mount slightly enlarged accept Fox 45 engine 2 Upper sheeting behind primary wing discarded favor plywood removable access hatch cover cover allowed access installation adjustment transverse wing mechanical actuation system 3 wire landing gear discarded favor HalIco heavy-duty landing gear unit Continued page 121 68 Model Aviation i-1 s engine installation Fox Schnuerle-port 45 Kraft mount Cowl carved balsa help belt sander Moto-Tool Coronel has high praise engines power reliability Goldberg spinner Top Flite nylon prop Hatch access fuel tank nose t-1 ready for e muffler added primarily keep engines combus tion temperature up during winter operation research vehiclenot sport flier HOT STUFF' THE ORIGINAL HOBBY CYANOACRYLATE ADHESIVE just way YOU want HOT STUFFM ORIGINAL CLEAR FORMULA low viscositydeep penetration INSTANT BOND RATE 3 10 sec started 142 GR oz395 7 GR z225 567 GR 1200 HOT STUFFM GAP FILLING EU LINEEFILLETING POSITIONABLE EXCLUSIVE VISIBLE FORMULAHIGH VISCOSITY low viscositydeep penetrationTIMED BOND 10 25 sec INSTANT BOND RATE 3 10 secUse like regular glue wait 142 GR oz 495142GR Z 7 GR oz 5 ALL u AT YOUR DEALERS NOW 567 GR 2 oz 1200 HOT STUFFM ezt*i2&5e Oe9 PO BOX 836 VALLEY CALIFORNIA USA e 805 522-0062 frequently fly brush-covered riverbed felt puncture resistence Mono Kote worth slight bit added weight Besides looks great works easily over compound curves outer ends wing stabilizer fly favorable environment use lightweight Silkspan 00 Japanese tissue youll save few grams covering fuselage bottom first sides top finally pylon cover sequence overlaps will face downward leaving no ridges fuel settle fuselage covered temporarily stick round toothpicks holes fire wall paint whole front end epoxy will completely fuelproof built wing panels flat its during covering induce warps use MonoKote just iron twisting panel applying heat cooling rapidly cover paper setting warps little laborious since youll have shim after coat 50/50 dope rest panel pinned weighted down landing gear always pain LG California Kid no exception although its less troublesome like can bend two pieces wire LG however made up four pieces assembled two units plug aluminum tubes side fuselage secured little epoxy Whichever way choose go Id recom mend fastening rear legs front ones method Bend wires correct shapes glue together just dab epoxy has dried bind joints thor oughly copper wire Now take epoxy rub over through wire tech nique works fine plane weight Flying Now comes moment truththe first flight before ever leave home sure wing warps match plan CG correct location incidence wing stabilizer built correct angle want avoid flyaway youll have run some experiments fuel consumption might well home too Begin running engine enough warm up thoroughy take eyedropper short length fuel line end draw small amount fuel can squeeze empty tank 020s misers doesnt require much adjust needle valve setting youll using flight start engine time long runs have determined what amount fuel good say 20-second engine run make some kind mark dropper neck future reference procedure works fine about 50% time would nearly foolproof except fact reed valve englnes just happy running backwards forward start backwards least half time use starting spring supplied englne odds will improve considerably Now Out flying field mythical place deep grass no breeze some test glides Youre am- ing smooth flat glide will land about zi feet front plane dives down far short mark shim up rear stab 1/32 time until diving tendency disappears Keep adding negative incidence stab until plane begins stall back offjust bit should set go couple final notes glide First certain release correct plane should leave hand slight downward angle release nose high will stall no matter well poorly adjusted second plane seems exhibit tendency dive stall try again again may what observed first time resulted bad launch mist wind Finally youre ready send California Kid up under power commonly used method test new high performance free flight gas ship begin reduced power short engine runs observe carefullymake minute adjustments needed slowly work up optimum trim California Kid method can used initially placing prop backwards reduce thrust riching fuel mixture both reduces power shortens engine run its final trim under full power youll want plane fly up fairly tight right spiral followed transition open right-hand circle hangs prop shim bit downthrust straight-up climb looks sensational usually results horrible transition dips right its first spiral add hair left thrust flies left go hobby store balsa Pylon planes rarely fly left once Good luck California Kid sure light DT fuse flight 3 ounces theres just much reason ever come down C-i /Coronel continued page 68 landing gear bolted plywood access hatch approximately 10 length turn bolted eight bolts belly air craft allowed access hatch landing gear removed unit thus allowing additional service room adjustment tilt control mechanisms radio 4 tail aircraft extended approximately 3 using removable tail cone 3 length designed fuselage allowed rapid ob struction-free access rudder control horn necessary 5 stabilizer converted T-tail configuration necessary tre mendous changes airflow about lower tail portion aircraft could expected actuation transverse wing system elevator control mechanism consisted Nyrod flexible pushrod attached end elevator horn elevator servo other end Installation Nyrod required cutting curved slot top rear vertical stabilizer bottom front allowed Nyrod proceed relatively straight through fuselage servo front rear sections vertical stabilizer pinned wood board Nyrod epoxied full curved length between Thin balsa sheeting next applied both sides vertical stabilizer allowed dry horizontal stabilizer installed top vertical stabilizer ngles joints removable access hatch top elevator covered elevator control horn provided ability adjustment elevator tilt limits tail unit installed additional 3 rear fuselage ngle blocks added joint additional support Care taken give stabilizer zero-zero angle incidence primary wing Both controllable elevator rudder given 20% increase surface area engine cowl turned out diffi May 1980 121 two classics Flyline ITS HERE 111- SEE YOUR LOCAL HOBBY DEALER READY NOW send 25 t catalog 34 span 020 power single channel nc or$1595 free flight OUAKER FLASH Power 39 Wingspan $2495 FLYLINE MODELS INC 2820 OORR AVENUE B ii Farman Moustique FAIRFAX VIRGINIA 22031 703 573-2038 P 0 BOX 2498-MA PeekPy.esLA MOSA CALIF 92041 w HONE 1714 4698675 442-4636 1 cult part fabricate design called cowl constructed one-piece unit completely removable engine attached basic cowl block formed four pieces a epoxied form square box hollowed inside Dremel hand grinder Exterior curves slowly formed belt sander thickness completed unit ranged erior cowl well-coated mixture epoxy alcohol thinned epoxy penetrated deep within wood resulting extremely strong durable unit joints within fuselage double-glued epoxy special bulkhead between fuel compartment radio compartment constructed balsa coated epoxy prevent accidental leakage fuel steer ing nosewheel control linkages installed Sullivan SS-8 fuel tank line filter installed servo tray engine elevator rudder servos along control rods installed Special brass bearings constructed support transverse wings units con sisted 3 X 1W brass plates brass bearing tubes soldered middle s reinforc ing plate soldered approximately e main plate ends reinforcing plate bent down soldered against main plate Numerous holes drilled around edge main plate allow safe secure fastening units interior walls fuselage epoxy Construction transverse wings proceeded basic balsa ribs balsa sheeting Spruce wood stringers added strength top bottom ribs Three plywood ribs made per wing wingpivot supportrods secured against ribs epoxy pivoting rods eter brass rein forcing rods soldered inside end pivoting rods soldered 1 X s plate small holes drilled along edges end epoxied plywood ribs other end pivoting rods extended out inboard transverse wing ends brass bearings fuselage pivoting rods both transverse wings drilled additional drilled brass cover located between bearings would join two transverse wings lock together system self-locking pins Removal locking pins allowed transverse wing slid Out bearing removed trans portation middle brass locking cover soldered brass control arm approxi mately 2 length top control arm Du-Bro 1/16 threaded balilink mounted attached reinforced control rod 1800 KPS 16 servo mounted rear fuselage Positioning transverse wings demanded precise alignment First fuselage measured found perfectly square Next leading edges both transverse wings taped trailing edges primary wing flaps Maximum transverse wing angle 450 marked fuselage Holes drilled fuselage proper location main support bearings epoxied inside walls fuselage Transverse wing-tilt limits high-speed position consisted aerodynamically carved hardwood blocks attached both sides fuselage blocks located leading inboard transverse wing edge would firmly lock down upon felt-covered blocks high-speed position possible since KPS 16 servo actually rotated few degrees beyond its 1800 limits thus preventing unlocking radio com mand High-lift tilt limits consisted felt-covered reinforced brass limit tabs 1 X ied rear primary wing flaps few inches wing tips would contact limit transverse wings tilted maximum high-lift position Care taken during final finishing removable hatches covers identified white strip Goldberg multi-stripe tape placed along edges covers red yellow color scheme selected photographic purposes Maximum minimum wing tilt angles taped sides fuselage degree wing tilt might later identified photographs USA markings selected represent American effort Flight testing C-i occurred March 1st 1979 flight field near Madison Wisconsin Some snow ground air temperature 400 8-mph winds Northeast Pilot John Lusk fueled aircraft prepared flight initial flight aborted aircraft found tail heavy Lead placed nose next flight aircraft lifted off well responded well wing-tip ailerons Altitude gained transverse wings unlocked partially tilted pilots assistant aircraft flew quite well partial tilting transverse wings experienced reduction speed slight nose-down angle Full actuation wing system attempted aircraft experienced tendency roll left suggested specially constructed aileron covers added provide additional lateral stability covers consisted two sheets balsa designed fit over existing ailerons covers increased aileron surface approximately 33% pilot achieved level sustained flight transverse wings full tilt next flight Additional flights conducted afternoon transverse wings successfully tilting various degrees aircraft successfully recovered damage Success aircraft determined fact did achieve flight status trans verse wings successfully tilted maximum returned minimum flight Conclusions drawn flight testing follows 1 transverse wing concept feasible high-speed biplane can successfully converted flight high-lift producing monoplane 2 Extremely slow speeds can obtained aircraft designed high-speed airfoils utilizing Coronel Transverse Wing concept FLY SAFELY 122 Model Aviation Rosie sD&R Power Pod Fits COX T- D & Med 049 051 Engs Rubber Band Screw Mounting Eng mts upright Inverted Running time appx 4 mm Nylon injection moulded Power 3 lb airplanes $595/I total weight 3A oz WE ALSO MAKE BANTAM Servos D&R Sticks Connectors Buikhead Switch mounts rSdasfetY Switch eavy duty gear Wevid ade WRXm5 fair D OEJWT f,g 5wodus 3501-C W Moore St Santa Ana CA 92704 Colors RED BLACK YELLOW ORANGE Write Free CatMog Fine Pmducss Ij1 AUDIO FLIGHT TIMER Prevents dead-stick Generates incremental audio timing signals Ideal timing pattern flights case less battery $2495 Shipping Less case mounts transmitter $2195 shipping Write tree brochure Industrial Inventions Inc RD2 463 US Route 1 Monmouth Jct New Jersey 08852 PECKS MODEL MENAGERIE PEANUT SCALE KITS $395 PIETENPOI PIPER J3CUBMOTH UBBER ML WPPLIES 00 4are This