V V I prototype model Note position engine vertical tin small relative total model its 6ft span front plane lower right configuration receives some astonished looks fellow fliers airborne tion operating plane designed just sake modeling result unique little plane 54 Model Aviation THIS DESIGN RESULTED attempts planes dont have oily finish sidestep some problems andlor frus flying big point personal philos trations conventional glow-engine- ophy will flying models dont have powered RC flying Balsa good look like full-size planes Scale mod sacred engines dont have out front els really look good great satisfac Left Especially visible view large rudder area relatively small elevator Right Someday will have learn land closer author says walks back retrieving model Note simulated windows have now added Left Radio gear early version Antenna coiled picture its flown way Later versions have receiver servos moved far forward Right Cox 049 hasnt much reserve power big plane bit stronger engine wouldnt hurt Left Note cutout elevator horn Hinge elevator should flush along bottom side Right Major parts except wing have cut out arranged lust came kit What see mostly foamcore board art supply store Left Near side fuselage has purposedly omitted show method construction Note butt joints foam-core board vertical fin engine mount balsa pieces picture Right Wing rib templates tie bolts ribs sanded shape terms cost weight powerif wing area fun build fly doesnt cost bundle attracts attention wherever flown Basically powered glider canard configuration plus unique engine location mixture mate rials give plane personality its own nothing quite like canard arousing curiosity both fliers spec tators Sunday afternoon Most modelers familiar configuration uncertain about building flying As design used full-scale builders RC fliers feel must something inherently wrong con cept mething waiting get ya dont watch out Actually have very good luck may good choice words design outset fact planes have flown probably easiest control design arrived mixture scientific principles eyeball already-mentioned luck method may sit well technical minded among probably good reason believe planes both fullsize miniature result same process design rate sketched paper mocked-up cardboard tested wing borrowed Drifter II afternoon ew right off board Almost very first tests made some simple dime store balsa gliders set up canards gave feel desired center gravity CG location first test fuselage almost exactly same shown plan t box hold May 1984 55 receiver servos battery pack form rigid separation wing horizontal stab engine receiver ser vos battery pack weighed weight-matched steel washers small plastic bag could shift weight about find correct CG time discovered about three degrees negative incidence wing horizontal stab glued flat level fuselage center line plane would nose over crunch three degrees added flight very smooth flat angle added hori zontal stab production version wing being mounted level center line wing angled down plane flew nose slightly up horizontal stab attaining required three degrees wing remained flat tricky land attitude gave appearance impending stall wing level angle built stab fuselage remains level landings slick gentle center gravity first positioned about 3 ahead leading edge wing ange test flight showed three things First 049 would fly plane provided enough thrust maintain flying speed Second elevator very sen sitive extreme care required pre vent terminal porpoising Third interesting engine ran out fuel stopped plane nosed up slightly reaction sudden loss slight downward push caused highmounted engine stalled stopped air stopped still settled gently slowly vertically earth no wiggle no flutter no forward speedjust slow vertical descent course no control no forward speed After few flights verify characteristic design just isolated event trick wind CG shifted forward about inch cor rected both elevator sensitivity vertical descent trick plane responded well control inputs fact plane could flown easily trim control rudder proved equal task response less crisp fuel ran out Power-off turns flatter wider sport fliers may used full power craft sporty leisurely sort way can flown some rather confined areas slightly larger engine would permit responsiveness controls increased forward speed could climb much rapidly As Lazy Duck great trainer and/or relaxing change pace sweaty palms Pattern flying keep awake may wish fly close ground wing tip inches away during long slow turns Loops possible building up bit forward speed full power steep dive plane WINGP1 K SOFT BALSA WING TIPS V HINGE LOCATION I/4 HARO BALSA V RUDDERFIN SOFT BALSA ENGINE MOJN I/B PLY MONOKOT HINGE COG 045 TO/BC ENGINE WITH THROTTI SLEEVE REMOVES /4 HARDWING LO BALSA -lU-Or 1. RUDDER NYROD3/IA FOAM BOARD 3/lA SO BALSA ENGINEI/B PLY MOUNT 0 SIDE THRUST RUDDER I/B DOWELS nded fast respect succeeds perfectly power off have able loop vertical dive feet terminal speed sufficient carry through loop just climbs vertically stalls falls off resumes flying Stalls very gentle level unless intentionally kick some rudder will produce much action great plane learn basic hand/eye coor dination important RC before moving fast expensive planes refer back very first sentence article design sidesteps oily fuselage because engine rear because rear less likely damaged event manage nose plane Fie you mounting engine leading edge vertical stab tractor pulling posi tion cooling no problem Pusher props required starting adjusting very conventional Construction fuselage horizontal stab/elevator assembly constructed styrene foam board sheeted heavy 56 Model Aviation Wing panels laid out leading edge leading edge after assembly Surface spars provide strength undue weight Theres no foam-core board wing balsa hardwood spars Lazy Duck settles gliding lazy landing black trim looks like windows give model big-plane look Obviously no landing gear needed Hand launches norm FULL-SIZE PLANS AVAILABLESEE PAGE 180 LEADING EDGEPLYWOODi/B SO BALSA SPARS -- -t TSIDESPRUCE [v32][b-2-10-1-10]] VB S/B SPRUCEVERY GRAIN SPARS I/H I/O BALSA TRAILING EDGE1/16 BALSA WINSBALSA SHEETING -GUSSETS ANGLE CENTERRIBSBOTTOM 3/16 FOAM BOARDA V2 FOR DIHEDRAL VB3/BSPRUCEDIHEDRAL ANGLE GAUGE DIHEDRAL/ WING ELEVATORSECTION BRAC -PAPER SURFACE FOGAi CORE STABILIZER -3/IA DOWEL -WINGCENTERSECTION 4-1/4 EACH TIP 3/IA DOWEL LEADING EDGESTABILIZER3/IA FOAM LOCATIONSOARS HATCR S/IA FOAM BOARD HATCHII/B PLY HINGEBA~AIS/IA DOWEL MONOKOTEELEVATOR ALANCEHINGENYROS1/4 HOr IEREBALS [-SPRUCE ELAGE SIDE VIEWSERVOSRECEIVERBLD FROM FOAM -BOARD NOTE FUSEIAGE CONSTRUCTION- PLACE INTERNAL BULAHEADS AUPAINTED ONTRIANGLEFUSELAGE CONSTRUCTION DETAIL NEEDED TO ENCLOSE EQUIPMENT FOR BALANCE PLACE SERVOSWINDSHIELDBRACE RECEIVER AND BATTERIES AS REQUIRED FOR BALUNCEI I/H 1/2 WING HOLDy\V4I/DBALSA L IN DOWELBALSA YE HATCH HINGE~-I/16 BALSA LINERIBPATTERN FUSELAGE TOP VIEW R9 DESIGNED BY TOM CHIPLEY 0I2345AELEVATORSTABILIZERTRACING BY 3OE DEMARCO ALL RIGHTS RESERVED paper commercial item generally referred foam-core art board available art supply frame shops material used industrial model builders first encountered it has proven fine material used correctly will replace balsa means applications such box like fuselage required very nice stuff prefer notch fold foamcore board others have done cut way ffirough butt-joint parts Whil$ does produce pretty joint greiitly simplifies layout assembly 41xt-and-glue method builds very quickly 4Ilows slight changes and/or adjust ment required Lay out parts care fully md cut #11 X-Acto equi dent using metal straightedge guid Make cut lightly first fol lowe4 through cut will minimize error using straightedge very sharfl knife way careful keep hngers hanging over edge ii ile Tl4 vertical stab rudder hard bals leading edge horizontal stab Iardwood dowel Spruce stringers foam-core board crushable side sides meet top plate Upon landing nose down structure may want buckle along top edge points no cross members stringers minimize possibility run length fuselage along inunlike balsa cannot straightened glued back together must repaired cutting out crushed section replacing new material really very May 1984 57 Continued page 159 model dives confined area photographer trees background author notes probably typical flying sites underlining need model designs can fly fairly confined areas arent seeing thingsit flies backwards Lazy Duck/Chipley Continued pane 57 easy necessary after severe crash fuselage can completely cut out assembled two evenings allowing day white similar glue fully dry After building basic box shown plan locate components ar rive correct balance point set bulkheads needed Using foam-core material added weight after balanc ing should have little effect planes performance wing simple structure time consuming fuselage Making templates Masonite sandwiching rib blanks between sanding final shape cuts time considerably also produces identical set ribs everything lines up during assembly have no struggles things dont fit Use two long small diameter bolts hold rib patterns blanks together found polyhedral design slightly stable V-dihedral wing extra time bother constructing covering three angular joints rather makes trade-off acceptable prototype wing fuselage covered MonoKote material works very nicely foam-core board would iron-on covering Since plane hand-launched belly-landed covering fuselage will greatly extend its life may wish attach cou ple hardwood runner strips further pro tect bottom wing uses two spruce spars maxi mum strength main spar webbed about 24 second spar webbed 6 Join two wing halves sections straight spruce epoxied place puts loads whether tension compression straight lines through support members bottom wing first two rib bays sheeted /16 balsa joint two sheeted halves meet reinforced glue fiber composite Making use indigenous materials re siding heart tobacco country used 1935 KINNER SPORTWING size span Plans consist 4 sheets include construction booklet fin decals Plans 0 Postage WOODY FRANTZ 9126 E 67th Ct Tulsa OK 74133 918 250-0033 BIG LEARN E EspEciAlLy DESiqNEd foR ThE NOVICE Ikr roroo sinosl NoQ WIrisi Assisebly CON rolu rio buNoroo oNd trip ON 510155 BECILSE oF h 10511 ILSEIIqE aiddil COORdINOE ION iI AISEON EIiE5iIEOEEd IN 5005501 lliElkr thi COOEI Ily lEOt5lrl OLE pNOEiAlIy por-bujlr Si OIlER EIIN COIL RE BLosk FlarwolL o psdmillsd foe Zsnoal 0 Osndna SE specs Pnecovsasd asady sand & A51 FOAM win95 fsnoLoqe sides coo Isril lanqd wish ssinsjsns qlssd placs Coaplssnssp nssp inneucdonshooovicscnnuNslstn*nd kosdwood & plywood poess psotso Sian hoodwas icIsrdd Es. whssk Foss bi1d swdinq 20 okin1 lsosns P., lOs EVRA ESrIOE MoEOMOLSEE0b tool Basso 05900 140 SIOd Ms FILER 82495 Oral EEsbS549N toad Morn, 9200 120 lb EEL VISA plastic fibrous paper-like material used cover tobacco seedlings dont know what called wet wrung out put down over coat white glue makes really strong wrinkle-free re inforcement joint can com pared fiberglass polyester resin out odor almost much strength Under conditions bottom wing center joint tension top compression design has held up fine loops sharp turns threebounce landings am firm believer gussets ribs meet trailing edge extra strength worth having Wing tips simply blocks soft balsa sanded shape engine mount / plywood rec tangle glued two solid soft balsa wedges glued hard balsa vertical stab Build about two degrees plus minusits really critical downthrust sanding soft balsa wedges shape No side thrust needed rudder also PRODUCTS FOR THE DIaCERNING MODELER Complete Line Exhaust Systems o Tuned Pipes Muffled Tuned Pipes o Headers * Venturi Mufflers * Expansion Mufflers copter Ball Mufflers 0 Specialized Exhaust Systems Unsuipas 0~ Z 259~ SPECIFICATIONS WIN SIsEN od55n55I05COI 1001110 5OAEE190 21 211 Winq AwElOb IN WiN toadiES21 WEE5bibs Rolo4cIEwIbEEOos EYRA OWNERS UpdATE NOW AvAilAblE [cnr MOdiIiCIrOL oIlEd lnsE00d1EOaOEEE,drondsOarNEI EEENs lObErrp0r 1200IIOIEMI FIIICIOIE 5iN5 EESnLEEsN OslEnrEd CEOEk5lLElE End load, IEpEEEOEd loin NEARrILrOPIIEI lVroiEEdEEIEIOEIO ALL TIlls ONLY s45oo ,l$sora104n,Es0mouo MASIFOCARD hard balsa /4 both rudder fin hinges must pinned did prototype almost lost plane rudder hinges backed out due engine vibration caused rudder lock left position came back because wind some tall grass convenient nose Speaking tall grass hardwood dowel along leading edge stab front necessary protect soft foamcore board dings such Due length stab blow near outer end likely break part loose fuselage may want add some triangu lar stock inside joint stab fuselage prevent Remember lightweight plane intended withstand punishment taken big boys still need build strong enough reasonable condi tions conventional design sturdy forward parts generally take brunt abuse landing rough terrain canard lighter structures front can suffer accordingly May1984 159 & L Manufacturing 1651 toE taasdo Loss Siorrndols AsrEoro 05215802 0410851 FAI RUBBER Sizes 1/4 3/16 1/8 3/32 1/16 1mm thick 042 Boxed 16 oz rubber per box Price $1250 per box ppd USA calif residents odd 6% sales too Coupe yule $2395 plus UPS Finiohod prop Very very completo SEND 5O FOR 19841955 CATALOG FAl Model Supply AGAINST CANCER May 26-27 Samuell Park East Mesquite Dallas Texas Notihaide Seivice Road East Belt line Interstate 20 East Dallas 500 Siry 26th CAS~ CONTR8TONS OR Flyers eat Free Guests $1000 per plate Formula Preregistration requested mandatory0 SOSOR day May 27th Send preregistration Contest DirectorO000OSR RRZRS Entry Fee Eash flyer m asked fa otsain fair qioneors per race day kt donate mlnbman $100 Mesquite Texas 75140per point socres maxkman 20 214681-1287or214286-0676points cert mede per dey Sponsors may bade may plots elalt far ANtIICAN CANCCI Stclttt Prizes ftyers obtain both Qulcate end Foneula ia Pilots oorisors have donated Dickiemsyalsosponeorthamaelvea inheuofob Flitch Hobbles Houston Texas in-taining sponsors 1 enty fee $2000 dudeper race may paid Checks made Par Texas Outlaw Quickie kit built bysbde ican Cancer Society Drew Jermna Como Enaine blueprinted Phil Bussell proceeds will collected volunteers desired bjv winnerthe Mesquite Unit Aniencan Cancer Society prototype plane employs Coxi Sanwa two-channel dry-cell transmitter receiver Nyrod type pushrods used both rudder elevator controls must bit curving get destinations throw elevator kept mm imum much needed condi tions rudder other hand should have about /s throw trailing edge both sides center third stage prototype used strip vinyl tape along entire length underside elevator/stab junction As no fuel present area need covered except looks tape hinge forms very smooth connection tween surfaces Turbulence area resulting loose flaps material poorly joined flight surfaces can have no ticeable effect flight characteristics causing nose react control move ments sudden ways profession involves some model building hobby am am afraid always meticulous comes detailing am pragmatic enough build efficiently overly concerned about last detail ll C flies well has cost next months house payment can crashed requiring trip family psychiatrist ward off self-destructive tendencies feel going should design given should used starting point build whatever would like Detail can added create look transport plane adding strip black windowss down side wheels would fit nicely andalong larger enginewould permit real takeoffs landings next project way plane can quickly stuck together enjoyed hours up air belongs have wing about 550 600 square inches surface area can borrow another plane just build fuselage carry along fun go flying next time Above fun plane t just FLYING NEAR Al RPORTS BE CAREFUL CL Scale/Boss Continued oaae 62 point process Gene Hooker uses different method described Lu ther Hux Instead using Ulano system has light-sensitive emulsion separate film sheet Gene uses method light-sensitive emulsion liquid state applied directly silk-screen fabric shown first sketch case fabric used 305-mesh monofilament material After emulsion has applied screen good coat set aside darkness air- fan-dry second sketch illustrates next step process used Gene making exposure screens photo emulsion As can see sketch artwork film photographic plate sandwiched tween photo emulsion screen piece 1/s-in-thick glass Note glass should large slightly larger screen frame sponge rubber used inside frame should slightly thicker screen frame shown sponge rubber will apply small amount pressure against screen upper lower pieces plywood put place held firm position slight pres sure C-clamps Once again note two pieces plywood slightly larger screen frame top piece has cutout least large photographic plate point ready expose screen emulsion Note second sketch 20-watt GE blacklite tube GE F20T12 BL fits 20-watt fluores cent fixture shown source ex posure light light set about 13 above assembly exposure should about 35 minutes use type light source eliminates heat problems associ ated incandescent light sources exposure complete sembly taken apart exposed screen developed washing light spray warn water After washing complete wipe off excess water let screen dry thoroughly screen now ready use third sketch depicts application 160 Model Aviation PROTECT YOUR RIGHT TO FLY THE STEARMAN C3D 35 Wingspan Engines Send 50r for Kit #104 $2195 j Flyline Models Catalog Phone 703 273-9593 Dealer & Disfributor Inquiries Invifed 3 FLYLINE MODELS INC j PO lax 2136 FaIrfax Virginia 22031 USA
Edition: Model Aviation - 1984/05
Page Numbers: 54, 55, 56, 57, 159, 160
V V I prototype model Note position engine vertical tin small relative total model its 6ft span front plane lower right configuration receives some astonished looks fellow fliers airborne tion operating plane designed just sake modeling result unique little plane 54 Model Aviation THIS DESIGN RESULTED attempts planes dont have oily finish sidestep some problems andlor frus flying big point personal philos trations conventional glow-engine- ophy will flying models dont have powered RC flying Balsa good look like full-size planes Scale mod sacred engines dont have out front els really look good great satisfac Left Especially visible view large rudder area relatively small elevator Right Someday will have learn land closer author says walks back retrieving model Note simulated windows have now added Left Radio gear early version Antenna coiled picture its flown way Later versions have receiver servos moved far forward Right Cox 049 hasnt much reserve power big plane bit stronger engine wouldnt hurt Left Note cutout elevator horn Hinge elevator should flush along bottom side Right Major parts except wing have cut out arranged lust came kit What see mostly foamcore board art supply store Left Near side fuselage has purposedly omitted show method construction Note butt joints foam-core board vertical fin engine mount balsa pieces picture Right Wing rib templates tie bolts ribs sanded shape terms cost weight powerif wing area fun build fly doesnt cost bundle attracts attention wherever flown Basically powered glider canard configuration plus unique engine location mixture mate rials give plane personality its own nothing quite like canard arousing curiosity both fliers spec tators Sunday afternoon Most modelers familiar configuration uncertain about building flying As design used full-scale builders RC fliers feel must something inherently wrong con cept mething waiting get ya dont watch out Actually have very good luck may good choice words design outset fact planes have flown probably easiest control design arrived mixture scientific principles eyeball already-mentioned luck method may sit well technical minded among probably good reason believe planes both fullsize miniature result same process design rate sketched paper mocked-up cardboard tested wing borrowed Drifter II afternoon ew right off board Almost very first tests made some simple dime store balsa gliders set up canards gave feel desired center gravity CG location first test fuselage almost exactly same shown plan t box hold May 1984 55 receiver servos battery pack form rigid separation wing horizontal stab engine receiver ser vos battery pack weighed weight-matched steel washers small plastic bag could shift weight about find correct CG time discovered about three degrees negative incidence wing horizontal stab glued flat level fuselage center line plane would nose over crunch three degrees added flight very smooth flat angle added hori zontal stab production version wing being mounted level center line wing angled down plane flew nose slightly up horizontal stab attaining required three degrees wing remained flat tricky land attitude gave appearance impending stall wing level angle built stab fuselage remains level landings slick gentle center gravity first positioned about 3 ahead leading edge wing ange test flight showed three things First 049 would fly plane provided enough thrust maintain flying speed Second elevator very sen sitive extreme care required pre vent terminal porpoising Third interesting engine ran out fuel stopped plane nosed up slightly reaction sudden loss slight downward push caused highmounted engine stalled stopped air stopped still settled gently slowly vertically earth no wiggle no flutter no forward speedjust slow vertical descent course no control no forward speed After few flights verify characteristic design just isolated event trick wind CG shifted forward about inch cor rected both elevator sensitivity vertical descent trick plane responded well control inputs fact plane could flown easily trim control rudder proved equal task response less crisp fuel ran out Power-off turns flatter wider sport fliers may used full power craft sporty leisurely sort way can flown some rather confined areas slightly larger engine would permit responsiveness controls increased forward speed could climb much rapidly As Lazy Duck great trainer and/or relaxing change pace sweaty palms Pattern flying keep awake may wish fly close ground wing tip inches away during long slow turns Loops possible building up bit forward speed full power steep dive plane WINGP1 K SOFT BALSA WING TIPS V HINGE LOCATION I/4 HARO BALSA V RUDDERFIN SOFT BALSA ENGINE MOJN I/B PLY MONOKOT HINGE COG 045 TO/BC ENGINE WITH THROTTI SLEEVE REMOVES /4 HARDWING LO BALSA -lU-Or 1. RUDDER NYROD3/IA FOAM BOARD 3/lA SO BALSA ENGINEI/B PLY MOUNT 0 SIDE THRUST RUDDER I/B DOWELS nded fast respect succeeds perfectly power off have able loop vertical dive feet terminal speed sufficient carry through loop just climbs vertically stalls falls off resumes flying Stalls very gentle level unless intentionally kick some rudder will produce much action great plane learn basic hand/eye coor dination important RC before moving fast expensive planes refer back very first sentence article design sidesteps oily fuselage because engine rear because rear less likely damaged event manage nose plane Fie you mounting engine leading edge vertical stab tractor pulling posi tion cooling no problem Pusher props required starting adjusting very conventional Construction fuselage horizontal stab/elevator assembly constructed styrene foam board sheeted heavy 56 Model Aviation Wing panels laid out leading edge leading edge after assembly Surface spars provide strength undue weight Theres no foam-core board wing balsa hardwood spars Lazy Duck settles gliding lazy landing black trim looks like windows give model big-plane look Obviously no landing gear needed Hand launches norm FULL-SIZE PLANS AVAILABLESEE PAGE 180 LEADING EDGEPLYWOODi/B SO BALSA SPARS -- -t TSIDESPRUCE [v32][b-2-10-1-10]] VB S/B SPRUCEVERY GRAIN SPARS I/H I/O BALSA TRAILING EDGE1/16 BALSA WINSBALSA SHEETING -GUSSETS ANGLE CENTERRIBSBOTTOM 3/16 FOAM BOARDA V2 FOR DIHEDRAL VB3/BSPRUCEDIHEDRAL ANGLE GAUGE DIHEDRAL/ WING ELEVATORSECTION BRAC -PAPER SURFACE FOGAi CORE STABILIZER -3/IA DOWEL -WINGCENTERSECTION 4-1/4 EACH TIP 3/IA DOWEL LEADING EDGESTABILIZER3/IA FOAM LOCATIONSOARS HATCR S/IA FOAM BOARD HATCHII/B PLY HINGEBA~AIS/IA DOWEL MONOKOTEELEVATOR ALANCEHINGENYROS1/4 HOr IEREBALS [-SPRUCE ELAGE SIDE VIEWSERVOSRECEIVERBLD FROM FOAM -BOARD NOTE FUSEIAGE CONSTRUCTION- PLACE INTERNAL BULAHEADS AUPAINTED ONTRIANGLEFUSELAGE CONSTRUCTION DETAIL NEEDED TO ENCLOSE EQUIPMENT FOR BALANCE PLACE SERVOSWINDSHIELDBRACE RECEIVER AND BATTERIES AS REQUIRED FOR BALUNCEI I/H 1/2 WING HOLDy\V4I/DBALSA L IN DOWELBALSA YE HATCH HINGE~-I/16 BALSA LINERIBPATTERN FUSELAGE TOP VIEW R9 DESIGNED BY TOM CHIPLEY 0I2345AELEVATORSTABILIZERTRACING BY 3OE DEMARCO ALL RIGHTS RESERVED paper commercial item generally referred foam-core art board available art supply frame shops material used industrial model builders first encountered it has proven fine material used correctly will replace balsa means applications such box like fuselage required very nice stuff prefer notch fold foamcore board others have done cut way ffirough butt-joint parts Whil$ does produce pretty joint greiitly simplifies layout assembly 41xt-and-glue method builds very quickly 4Ilows slight changes and/or adjust ment required Lay out parts care fully md cut #11 X-Acto equi dent using metal straightedge guid Make cut lightly first fol lowe4 through cut will minimize error using straightedge very sharfl knife way careful keep hngers hanging over edge ii ile Tl4 vertical stab rudder hard bals leading edge horizontal stab Iardwood dowel Spruce stringers foam-core board crushable side sides meet top plate Upon landing nose down structure may want buckle along top edge points no cross members stringers minimize possibility run length fuselage along inunlike balsa cannot straightened glued back together must repaired cutting out crushed section replacing new material really very May 1984 57 Continued page 159 model dives confined area photographer trees background author notes probably typical flying sites underlining need model designs can fly fairly confined areas arent seeing thingsit flies backwards Lazy Duck/Chipley Continued pane 57 easy necessary after severe crash fuselage can completely cut out assembled two evenings allowing day white similar glue fully dry After building basic box shown plan locate components ar rive correct balance point set bulkheads needed Using foam-core material added weight after balanc ing should have little effect planes performance wing simple structure time consuming fuselage Making templates Masonite sandwiching rib blanks between sanding final shape cuts time considerably also produces identical set ribs everything lines up during assembly have no struggles things dont fit Use two long small diameter bolts hold rib patterns blanks together found polyhedral design slightly stable V-dihedral wing extra time bother constructing covering three angular joints rather makes trade-off acceptable prototype wing fuselage covered MonoKote material works very nicely foam-core board would iron-on covering Since plane hand-launched belly-landed covering fuselage will greatly extend its life may wish attach cou ple hardwood runner strips further pro tect bottom wing uses two spruce spars maxi mum strength main spar webbed about 24 second spar webbed 6 Join two wing halves sections straight spruce epoxied place puts loads whether tension compression straight lines through support members bottom wing first two rib bays sheeted /16 balsa joint two sheeted halves meet reinforced glue fiber composite Making use indigenous materials re siding heart tobacco country used 1935 KINNER SPORTWING size span Plans consist 4 sheets include construction booklet fin decals Plans 0 Postage WOODY FRANTZ 9126 E 67th Ct Tulsa OK 74133 918 250-0033 BIG LEARN E EspEciAlLy DESiqNEd foR ThE NOVICE Ikr roroo sinosl NoQ WIrisi Assisebly CON rolu rio buNoroo oNd trip ON 510155 BECILSE oF h 10511 ILSEIIqE aiddil COORdINOE ION iI AISEON EIiE5iIEOEEd IN 5005501 lliElkr thi COOEI Ily lEOt5lrl OLE pNOEiAlIy por-bujlr Si OIlER EIIN COIL RE BLosk FlarwolL o psdmillsd foe Zsnoal 0 Osndna SE specs Pnecovsasd asady sand & A51 FOAM win95 fsnoLoqe sides coo Isril lanqd wish ssinsjsns qlssd placs Coaplssnssp nssp inneucdonshooovicscnnuNslstn*nd kosdwood & plywood poess psotso Sian hoodwas icIsrdd Es. whssk Foss bi1d swdinq 20 okin1 lsosns P., lOs EVRA ESrIOE MoEOMOLSEE0b tool Basso 05900 140 SIOd Ms FILER 82495 Oral EEsbS549N toad Morn, 9200 120 lb EEL VISA plastic fibrous paper-like material used cover tobacco seedlings dont know what called wet wrung out put down over coat white glue makes really strong wrinkle-free re inforcement joint can com pared fiberglass polyester resin out odor almost much strength Under conditions bottom wing center joint tension top compression design has held up fine loops sharp turns threebounce landings am firm believer gussets ribs meet trailing edge extra strength worth having Wing tips simply blocks soft balsa sanded shape engine mount / plywood rec tangle glued two solid soft balsa wedges glued hard balsa vertical stab Build about two degrees plus minusits really critical downthrust sanding soft balsa wedges shape No side thrust needed rudder also PRODUCTS FOR THE DIaCERNING MODELER Complete Line Exhaust Systems o Tuned Pipes Muffled Tuned Pipes o Headers * Venturi Mufflers * Expansion Mufflers copter Ball Mufflers 0 Specialized Exhaust Systems Unsuipas 0~ Z 259~ SPECIFICATIONS WIN SIsEN od55n55I05COI 1001110 5OAEE190 21 211 Winq AwElOb IN WiN toadiES21 WEE5bibs Rolo4cIEwIbEEOos EYRA OWNERS UpdATE NOW AvAilAblE [cnr MOdiIiCIrOL oIlEd lnsE00d1EOaOEEE,drondsOarNEI EEENs lObErrp0r 1200IIOIEMI FIIICIOIE 5iN5 EESnLEEsN OslEnrEd CEOEk5lLElE End load, IEpEEEOEd loin NEARrILrOPIIEI lVroiEEdEEIEIOEIO ALL TIlls ONLY s45oo ,l$sora104n,Es0mouo MASIFOCARD hard balsa /4 both rudder fin hinges must pinned did prototype almost lost plane rudder hinges backed out due engine vibration caused rudder lock left position came back because wind some tall grass convenient nose Speaking tall grass hardwood dowel along leading edge stab front necessary protect soft foamcore board dings such Due length stab blow near outer end likely break part loose fuselage may want add some triangu lar stock inside joint stab fuselage prevent Remember lightweight plane intended withstand punishment taken big boys still need build strong enough reasonable condi tions conventional design sturdy forward parts generally take brunt abuse landing rough terrain canard lighter structures front can suffer accordingly May1984 159 & L Manufacturing 1651 toE taasdo Loss Siorrndols AsrEoro 05215802 0410851 FAI RUBBER Sizes 1/4 3/16 1/8 3/32 1/16 1mm thick 042 Boxed 16 oz rubber per box Price $1250 per box ppd USA calif residents odd 6% sales too Coupe yule $2395 plus UPS Finiohod prop Very very completo SEND 5O FOR 19841955 CATALOG FAl Model Supply AGAINST CANCER May 26-27 Samuell Park East Mesquite Dallas Texas Notihaide Seivice Road East Belt line Interstate 20 East Dallas 500 Siry 26th CAS~ CONTR8TONS OR Flyers eat Free Guests $1000 per plate Formula Preregistration requested mandatory0 SOSOR day May 27th Send preregistration Contest DirectorO000OSR RRZRS Entry Fee Eash flyer m asked fa otsain fair qioneors per race day kt donate mlnbman $100 Mesquite Texas 75140per point socres maxkman 20 214681-1287or214286-0676points cert mede per dey Sponsors may bade may plots elalt far ANtIICAN CANCCI Stclttt Prizes ftyers obtain both Qulcate end Foneula ia Pilots oorisors have donated Dickiemsyalsosponeorthamaelvea inheuofob Flitch Hobbles Houston Texas in-taining sponsors 1 enty fee $2000 dudeper race may paid Checks made Par Texas Outlaw Quickie kit built bysbde ican Cancer Society Drew Jermna Como Enaine blueprinted Phil Bussell proceeds will collected volunteers desired bjv winnerthe Mesquite Unit Aniencan Cancer Society prototype plane employs Coxi Sanwa two-channel dry-cell transmitter receiver Nyrod type pushrods used both rudder elevator controls must bit curving get destinations throw elevator kept mm imum much needed condi tions rudder other hand should have about /s throw trailing edge both sides center third stage prototype used strip vinyl tape along entire length underside elevator/stab junction As no fuel present area need covered except looks tape hinge forms very smooth connection tween surfaces Turbulence area resulting loose flaps material poorly joined flight surfaces can have no ticeable effect flight characteristics causing nose react control move ments sudden ways profession involves some model building hobby am am afraid always meticulous comes detailing am pragmatic enough build efficiently overly concerned about last detail ll C flies well has cost next months house payment can crashed requiring trip family psychiatrist ward off self-destructive tendencies feel going should design given should used starting point build whatever would like Detail can added create look transport plane adding strip black windowss down side wheels would fit nicely andalong larger enginewould permit real takeoffs landings next project way plane can quickly stuck together enjoyed hours up air belongs have wing about 550 600 square inches surface area can borrow another plane just build fuselage carry along fun go flying next time Above fun plane t just FLYING NEAR Al RPORTS BE CAREFUL CL Scale/Boss Continued oaae 62 point process Gene Hooker uses different method described Lu ther Hux Instead using Ulano system has light-sensitive emulsion separate film sheet Gene uses method light-sensitive emulsion liquid state applied directly silk-screen fabric shown first sketch case fabric used 305-mesh monofilament material After emulsion has applied screen good coat set aside darkness air- fan-dry second sketch illustrates next step process used Gene making exposure screens photo emulsion As can see sketch artwork film photographic plate sandwiched tween photo emulsion screen piece 1/s-in-thick glass Note glass should large slightly larger screen frame sponge rubber used inside frame should slightly thicker screen frame shown sponge rubber will apply small amount pressure against screen upper lower pieces plywood put place held firm position slight pres sure C-clamps Once again note two pieces plywood slightly larger screen frame top piece has cutout least large photographic plate point ready expose screen emulsion Note second sketch 20-watt GE blacklite tube GE F20T12 BL fits 20-watt fluores cent fixture shown source ex posure light light set about 13 above assembly exposure should about 35 minutes use type light source eliminates heat problems associ ated incandescent light sources exposure complete sembly taken apart exposed screen developed washing light spray warn water After washing complete wipe off excess water let screen dry thoroughly screen now ready use third sketch depicts application 160 Model Aviation PROTECT YOUR RIGHT TO FLY THE STEARMAN C3D 35 Wingspan Engines Send 50r for Kit #104 $2195 j Flyline Models Catalog Phone 703 273-9593 Dealer & Disfributor Inquiries Invifed 3 FLYLINE MODELS INC j PO lax 2136 FaIrfax Virginia 22031 USA
Edition: Model Aviation - 1984/05
Page Numbers: 54, 55, 56, 57, 159, 160
V V I prototype model Note position engine vertical tin small relative total model its 6ft span front plane lower right configuration receives some astonished looks fellow fliers airborne tion operating plane designed just sake modeling result unique little plane 54 Model Aviation THIS DESIGN RESULTED attempts planes dont have oily finish sidestep some problems andlor frus flying big point personal philos trations conventional glow-engine- ophy will flying models dont have powered RC flying Balsa good look like full-size planes Scale mod sacred engines dont have out front els really look good great satisfac Left Especially visible view large rudder area relatively small elevator Right Someday will have learn land closer author says walks back retrieving model Note simulated windows have now added Left Radio gear early version Antenna coiled picture its flown way Later versions have receiver servos moved far forward Right Cox 049 hasnt much reserve power big plane bit stronger engine wouldnt hurt Left Note cutout elevator horn Hinge elevator should flush along bottom side Right Major parts except wing have cut out arranged lust came kit What see mostly foamcore board art supply store Left Near side fuselage has purposedly omitted show method construction Note butt joints foam-core board vertical fin engine mount balsa pieces picture Right Wing rib templates tie bolts ribs sanded shape terms cost weight powerif wing area fun build fly doesnt cost bundle attracts attention wherever flown Basically powered glider canard configuration plus unique engine location mixture mate rials give plane personality its own nothing quite like canard arousing curiosity both fliers spec tators Sunday afternoon Most modelers familiar configuration uncertain about building flying As design used full-scale builders RC fliers feel must something inherently wrong con cept mething waiting get ya dont watch out Actually have very good luck may good choice words design outset fact planes have flown probably easiest control design arrived mixture scientific principles eyeball already-mentioned luck method may sit well technical minded among probably good reason believe planes both fullsize miniature result same process design rate sketched paper mocked-up cardboard tested wing borrowed Drifter II afternoon ew right off board Almost very first tests made some simple dime store balsa gliders set up canards gave feel desired center gravity CG location first test fuselage almost exactly same shown plan t box hold May 1984 55 receiver servos battery pack form rigid separation wing horizontal stab engine receiver ser vos battery pack weighed weight-matched steel washers small plastic bag could shift weight about find correct CG time discovered about three degrees negative incidence wing horizontal stab glued flat level fuselage center line plane would nose over crunch three degrees added flight very smooth flat angle added hori zontal stab production version wing being mounted level center line wing angled down plane flew nose slightly up horizontal stab attaining required three degrees wing remained flat tricky land attitude gave appearance impending stall wing level angle built stab fuselage remains level landings slick gentle center gravity first positioned about 3 ahead leading edge wing ange test flight showed three things First 049 would fly plane provided enough thrust maintain flying speed Second elevator very sen sitive extreme care required pre vent terminal porpoising Third interesting engine ran out fuel stopped plane nosed up slightly reaction sudden loss slight downward push caused highmounted engine stalled stopped air stopped still settled gently slowly vertically earth no wiggle no flutter no forward speedjust slow vertical descent course no control no forward speed After few flights verify characteristic design just isolated event trick wind CG shifted forward about inch cor rected both elevator sensitivity vertical descent trick plane responded well control inputs fact plane could flown easily trim control rudder proved equal task response less crisp fuel ran out Power-off turns flatter wider sport fliers may used full power craft sporty leisurely sort way can flown some rather confined areas slightly larger engine would permit responsiveness controls increased forward speed could climb much rapidly As Lazy Duck great trainer and/or relaxing change pace sweaty palms Pattern flying keep awake may wish fly close ground wing tip inches away during long slow turns Loops possible building up bit forward speed full power steep dive plane WINGP1 K SOFT BALSA WING TIPS V HINGE LOCATION I/4 HARO BALSA V RUDDERFIN SOFT BALSA ENGINE MOJN I/B PLY MONOKOT HINGE COG 045 TO/BC ENGINE WITH THROTTI SLEEVE REMOVES /4 HARDWING LO BALSA -lU-Or 1. RUDDER NYROD3/IA FOAM BOARD 3/lA SO BALSA ENGINEI/B PLY MOUNT 0 SIDE THRUST RUDDER I/B DOWELS nded fast respect succeeds perfectly power off have able loop vertical dive feet terminal speed sufficient carry through loop just climbs vertically stalls falls off resumes flying Stalls very gentle level unless intentionally kick some rudder will produce much action great plane learn basic hand/eye coor dination important RC before moving fast expensive planes refer back very first sentence article design sidesteps oily fuselage because engine rear because rear less likely damaged event manage nose plane Fie you mounting engine leading edge vertical stab tractor pulling posi tion cooling no problem Pusher props required starting adjusting very conventional Construction fuselage horizontal stab/elevator assembly constructed styrene foam board sheeted heavy 56 Model Aviation Wing panels laid out leading edge leading edge after assembly Surface spars provide strength undue weight Theres no foam-core board wing balsa hardwood spars Lazy Duck settles gliding lazy landing black trim looks like windows give model big-plane look Obviously no landing gear needed Hand launches norm FULL-SIZE PLANS AVAILABLESEE PAGE 180 LEADING EDGEPLYWOODi/B SO BALSA SPARS -- -t TSIDESPRUCE [v32][b-2-10-1-10]] VB S/B SPRUCEVERY GRAIN SPARS I/H I/O BALSA TRAILING EDGE1/16 BALSA WINSBALSA SHEETING -GUSSETS ANGLE CENTERRIBSBOTTOM 3/16 FOAM BOARDA V2 FOR DIHEDRAL VB3/BSPRUCEDIHEDRAL ANGLE GAUGE DIHEDRAL/ WING ELEVATORSECTION BRAC -PAPER SURFACE FOGAi CORE STABILIZER -3/IA DOWEL -WINGCENTERSECTION 4-1/4 EACH TIP 3/IA DOWEL LEADING EDGESTABILIZER3/IA FOAM LOCATIONSOARS HATCR S/IA FOAM BOARD HATCHII/B PLY HINGEBA~AIS/IA DOWEL MONOKOTEELEVATOR ALANCEHINGENYROS1/4 HOr IEREBALS [-SPRUCE ELAGE SIDE VIEWSERVOSRECEIVERBLD FROM FOAM -BOARD NOTE FUSEIAGE CONSTRUCTION- PLACE INTERNAL BULAHEADS AUPAINTED ONTRIANGLEFUSELAGE CONSTRUCTION DETAIL NEEDED TO ENCLOSE EQUIPMENT FOR BALANCE PLACE SERVOSWINDSHIELDBRACE RECEIVER AND BATTERIES AS REQUIRED FOR BALUNCEI I/H 1/2 WING HOLDy\V4I/DBALSA L IN DOWELBALSA YE HATCH HINGE~-I/16 BALSA LINERIBPATTERN FUSELAGE TOP VIEW R9 DESIGNED BY TOM CHIPLEY 0I2345AELEVATORSTABILIZERTRACING BY 3OE DEMARCO ALL RIGHTS RESERVED paper commercial item generally referred foam-core art board available art supply frame shops material used industrial model builders first encountered it has proven fine material used correctly will replace balsa means applications such box like fuselage required very nice stuff prefer notch fold foamcore board others have done cut way ffirough butt-joint parts Whil$ does produce pretty joint greiitly simplifies layout assembly 41xt-and-glue method builds very quickly 4Ilows slight changes and/or adjust ment required Lay out parts care fully md cut #11 X-Acto equi dent using metal straightedge guid Make cut lightly first fol lowe4 through cut will minimize error using straightedge very sharfl knife way careful keep hngers hanging over edge ii ile Tl4 vertical stab rudder hard bals leading edge horizontal stab Iardwood dowel Spruce stringers foam-core board crushable side sides meet top plate Upon landing nose down structure may want buckle along top edge points no cross members stringers minimize possibility run length fuselage along inunlike balsa cannot straightened glued back together must repaired cutting out crushed section replacing new material really very May 1984 57 Continued page 159 model dives confined area photographer trees background author notes probably typical flying sites underlining need model designs can fly fairly confined areas arent seeing thingsit flies backwards Lazy Duck/Chipley Continued pane 57 easy necessary after severe crash fuselage can completely cut out assembled two evenings allowing day white similar glue fully dry After building basic box shown plan locate components ar rive correct balance point set bulkheads needed Using foam-core material added weight after balanc ing should have little effect planes performance wing simple structure time consuming fuselage Making templates Masonite sandwiching rib blanks between sanding final shape cuts time considerably also produces identical set ribs everything lines up during assembly have no struggles things dont fit Use two long small diameter bolts hold rib patterns blanks together found polyhedral design slightly stable V-dihedral wing extra time bother constructing covering three angular joints rather makes trade-off acceptable prototype wing fuselage covered MonoKote material works very nicely foam-core board would iron-on covering Since plane hand-launched belly-landed covering fuselage will greatly extend its life may wish attach cou ple hardwood runner strips further pro tect bottom wing uses two spruce spars maxi mum strength main spar webbed about 24 second spar webbed 6 Join two wing halves sections straight spruce epoxied place puts loads whether tension compression straight lines through support members bottom wing first two rib bays sheeted /16 balsa joint two sheeted halves meet reinforced glue fiber composite Making use indigenous materials re siding heart tobacco country used 1935 KINNER SPORTWING size span Plans consist 4 sheets include construction booklet fin decals Plans 0 Postage WOODY FRANTZ 9126 E 67th Ct Tulsa OK 74133 918 250-0033 BIG LEARN E EspEciAlLy DESiqNEd foR ThE NOVICE Ikr roroo sinosl NoQ WIrisi Assisebly CON rolu rio buNoroo oNd trip ON 510155 BECILSE oF h 10511 ILSEIIqE aiddil COORdINOE ION iI AISEON EIiE5iIEOEEd IN 5005501 lliElkr thi COOEI Ily lEOt5lrl OLE pNOEiAlIy por-bujlr Si OIlER EIIN COIL RE BLosk FlarwolL o psdmillsd foe Zsnoal 0 Osndna SE specs Pnecovsasd asady sand & A51 FOAM win95 fsnoLoqe sides coo Isril lanqd wish ssinsjsns qlssd placs Coaplssnssp nssp inneucdonshooovicscnnuNslstn*nd kosdwood & plywood poess psotso Sian hoodwas icIsrdd Es. whssk Foss bi1d swdinq 20 okin1 lsosns P., lOs EVRA ESrIOE MoEOMOLSEE0b tool Basso 05900 140 SIOd Ms FILER 82495 Oral EEsbS549N toad Morn, 9200 120 lb EEL VISA plastic fibrous paper-like material used cover tobacco seedlings dont know what called wet wrung out put down over coat white glue makes really strong wrinkle-free re inforcement joint can com pared fiberglass polyester resin out odor almost much strength Under conditions bottom wing center joint tension top compression design has held up fine loops sharp turns threebounce landings am firm believer gussets ribs meet trailing edge extra strength worth having Wing tips simply blocks soft balsa sanded shape engine mount / plywood rec tangle glued two solid soft balsa wedges glued hard balsa vertical stab Build about two degrees plus minusits really critical downthrust sanding soft balsa wedges shape No side thrust needed rudder also PRODUCTS FOR THE DIaCERNING MODELER Complete Line Exhaust Systems o Tuned Pipes Muffled Tuned Pipes o Headers * Venturi Mufflers * Expansion Mufflers copter Ball Mufflers 0 Specialized Exhaust Systems Unsuipas 0~ Z 259~ SPECIFICATIONS WIN SIsEN od55n55I05COI 1001110 5OAEE190 21 211 Winq AwElOb IN WiN toadiES21 WEE5bibs Rolo4cIEwIbEEOos EYRA OWNERS UpdATE NOW AvAilAblE [cnr MOdiIiCIrOL oIlEd lnsE00d1EOaOEEE,drondsOarNEI EEENs lObErrp0r 1200IIOIEMI FIIICIOIE 5iN5 EESnLEEsN OslEnrEd CEOEk5lLElE End load, IEpEEEOEd loin NEARrILrOPIIEI lVroiEEdEEIEIOEIO ALL TIlls ONLY s45oo ,l$sora104n,Es0mouo MASIFOCARD hard balsa /4 both rudder fin hinges must pinned did prototype almost lost plane rudder hinges backed out due engine vibration caused rudder lock left position came back because wind some tall grass convenient nose Speaking tall grass hardwood dowel along leading edge stab front necessary protect soft foamcore board dings such Due length stab blow near outer end likely break part loose fuselage may want add some triangu lar stock inside joint stab fuselage prevent Remember lightweight plane intended withstand punishment taken big boys still need build strong enough reasonable condi tions conventional design sturdy forward parts generally take brunt abuse landing rough terrain canard lighter structures front can suffer accordingly May1984 159 & L Manufacturing 1651 toE taasdo Loss Siorrndols AsrEoro 05215802 0410851 FAI RUBBER Sizes 1/4 3/16 1/8 3/32 1/16 1mm thick 042 Boxed 16 oz rubber per box Price $1250 per box ppd USA calif residents odd 6% sales too Coupe yule $2395 plus UPS Finiohod prop Very very completo SEND 5O FOR 19841955 CATALOG FAl Model Supply AGAINST CANCER May 26-27 Samuell Park East Mesquite Dallas Texas Notihaide Seivice Road East Belt line Interstate 20 East Dallas 500 Siry 26th CAS~ CONTR8TONS OR Flyers eat Free Guests $1000 per plate Formula Preregistration requested mandatory0 SOSOR day May 27th Send preregistration Contest DirectorO000OSR RRZRS Entry Fee Eash flyer m asked fa otsain fair qioneors per race day kt donate mlnbman $100 Mesquite Texas 75140per point socres maxkman 20 214681-1287or214286-0676points cert mede per dey Sponsors may bade may plots elalt far ANtIICAN CANCCI Stclttt Prizes ftyers obtain both Qulcate end Foneula ia Pilots oorisors have donated Dickiemsyalsosponeorthamaelvea inheuofob Flitch Hobbles Houston Texas in-taining sponsors 1 enty fee $2000 dudeper race may paid Checks made Par Texas Outlaw Quickie kit built bysbde ican Cancer Society Drew Jermna Como Enaine blueprinted Phil Bussell proceeds will collected volunteers desired bjv winnerthe Mesquite Unit Aniencan Cancer Society prototype plane employs Coxi Sanwa two-channel dry-cell transmitter receiver Nyrod type pushrods used both rudder elevator controls must bit curving get destinations throw elevator kept mm imum much needed condi tions rudder other hand should have about /s throw trailing edge both sides center third stage prototype used strip vinyl tape along entire length underside elevator/stab junction As no fuel present area need covered except looks tape hinge forms very smooth connection tween surfaces Turbulence area resulting loose flaps material poorly joined flight surfaces can have no ticeable effect flight characteristics causing nose react control move ments sudden ways profession involves some model building hobby am am afraid always meticulous comes detailing am pragmatic enough build efficiently overly concerned about last detail ll C flies well has cost next months house payment can crashed requiring trip family psychiatrist ward off self-destructive tendencies feel going should design given should used starting point build whatever would like Detail can added create look transport plane adding strip black windowss down side wheels would fit nicely andalong larger enginewould permit real takeoffs landings next project way plane can quickly stuck together enjoyed hours up air belongs have wing about 550 600 square inches surface area can borrow another plane just build fuselage carry along fun go flying next time Above fun plane t just FLYING NEAR Al RPORTS BE CAREFUL CL Scale/Boss Continued oaae 62 point process Gene Hooker uses different method described Lu ther Hux Instead using Ulano system has light-sensitive emulsion separate film sheet Gene uses method light-sensitive emulsion liquid state applied directly silk-screen fabric shown first sketch case fabric used 305-mesh monofilament material After emulsion has applied screen good coat set aside darkness air- fan-dry second sketch illustrates next step process used Gene making exposure screens photo emulsion As can see sketch artwork film photographic plate sandwiched tween photo emulsion screen piece 1/s-in-thick glass Note glass should large slightly larger screen frame sponge rubber used inside frame should slightly thicker screen frame shown sponge rubber will apply small amount pressure against screen upper lower pieces plywood put place held firm position slight pres sure C-clamps Once again note two pieces plywood slightly larger screen frame top piece has cutout least large photographic plate point ready expose screen emulsion Note second sketch 20-watt GE blacklite tube GE F20T12 BL fits 20-watt fluores cent fixture shown source ex posure light light set about 13 above assembly exposure should about 35 minutes use type light source eliminates heat problems associ ated incandescent light sources exposure complete sembly taken apart exposed screen developed washing light spray warn water After washing complete wipe off excess water let screen dry thoroughly screen now ready use third sketch depicts application 160 Model Aviation PROTECT YOUR RIGHT TO FLY THE STEARMAN C3D 35 Wingspan Engines Send 50r for Kit #104 $2195 j Flyline Models Catalog Phone 703 273-9593 Dealer & Disfributor Inquiries Invifed 3 FLYLINE MODELS INC j PO lax 2136 FaIrfax Virginia 22031 USA
Edition: Model Aviation - 1984/05
Page Numbers: 54, 55, 56, 57, 159, 160
V V I prototype model Note position engine vertical tin small relative total model its 6ft span front plane lower right configuration receives some astonished looks fellow fliers airborne tion operating plane designed just sake modeling result unique little plane 54 Model Aviation THIS DESIGN RESULTED attempts planes dont have oily finish sidestep some problems andlor frus flying big point personal philos trations conventional glow-engine- ophy will flying models dont have powered RC flying Balsa good look like full-size planes Scale mod sacred engines dont have out front els really look good great satisfac Left Especially visible view large rudder area relatively small elevator Right Someday will have learn land closer author says walks back retrieving model Note simulated windows have now added Left Radio gear early version Antenna coiled picture its flown way Later versions have receiver servos moved far forward Right Cox 049 hasnt much reserve power big plane bit stronger engine wouldnt hurt Left Note cutout elevator horn Hinge elevator should flush along bottom side Right Major parts except wing have cut out arranged lust came kit What see mostly foamcore board art supply store Left Near side fuselage has purposedly omitted show method construction Note butt joints foam-core board vertical fin engine mount balsa pieces picture Right Wing rib templates tie bolts ribs sanded shape terms cost weight powerif wing area fun build fly doesnt cost bundle attracts attention wherever flown Basically powered glider canard configuration plus unique engine location mixture mate rials give plane personality its own nothing quite like canard arousing curiosity both fliers spec tators Sunday afternoon Most modelers familiar configuration uncertain about building flying As design used full-scale builders RC fliers feel must something inherently wrong con cept mething waiting get ya dont watch out Actually have very good luck may good choice words design outset fact planes have flown probably easiest control design arrived mixture scientific principles eyeball already-mentioned luck method may sit well technical minded among probably good reason believe planes both fullsize miniature result same process design rate sketched paper mocked-up cardboard tested wing borrowed Drifter II afternoon ew right off board Almost very first tests made some simple dime store balsa gliders set up canards gave feel desired center gravity CG location first test fuselage almost exactly same shown plan t box hold May 1984 55 receiver servos battery pack form rigid separation wing horizontal stab engine receiver ser vos battery pack weighed weight-matched steel washers small plastic bag could shift weight about find correct CG time discovered about three degrees negative incidence wing horizontal stab glued flat level fuselage center line plane would nose over crunch three degrees added flight very smooth flat angle added hori zontal stab production version wing being mounted level center line wing angled down plane flew nose slightly up horizontal stab attaining required three degrees wing remained flat tricky land attitude gave appearance impending stall wing level angle built stab fuselage remains level landings slick gentle center gravity first positioned about 3 ahead leading edge wing ange test flight showed three things First 049 would fly plane provided enough thrust maintain flying speed Second elevator very sen sitive extreme care required pre vent terminal porpoising Third interesting engine ran out fuel stopped plane nosed up slightly reaction sudden loss slight downward push caused highmounted engine stalled stopped air stopped still settled gently slowly vertically earth no wiggle no flutter no forward speedjust slow vertical descent course no control no forward speed After few flights verify characteristic design just isolated event trick wind CG shifted forward about inch cor rected both elevator sensitivity vertical descent trick plane responded well control inputs fact plane could flown easily trim control rudder proved equal task response less crisp fuel ran out Power-off turns flatter wider sport fliers may used full power craft sporty leisurely sort way can flown some rather confined areas slightly larger engine would permit responsiveness controls increased forward speed could climb much rapidly As Lazy Duck great trainer and/or relaxing change pace sweaty palms Pattern flying keep awake may wish fly close ground wing tip inches away during long slow turns Loops possible building up bit forward speed full power steep dive plane WINGP1 K SOFT BALSA WING TIPS V HINGE LOCATION I/4 HARO BALSA V RUDDERFIN SOFT BALSA ENGINE MOJN I/B PLY MONOKOT HINGE COG 045 TO/BC ENGINE WITH THROTTI SLEEVE REMOVES /4 HARDWING LO BALSA -lU-Or 1. RUDDER NYROD3/IA FOAM BOARD 3/lA SO BALSA ENGINEI/B PLY MOUNT 0 SIDE THRUST RUDDER I/B DOWELS nded fast respect succeeds perfectly power off have able loop vertical dive feet terminal speed sufficient carry through loop just climbs vertically stalls falls off resumes flying Stalls very gentle level unless intentionally kick some rudder will produce much action great plane learn basic hand/eye coor dination important RC before moving fast expensive planes refer back very first sentence article design sidesteps oily fuselage because engine rear because rear less likely damaged event manage nose plane Fie you mounting engine leading edge vertical stab tractor pulling posi tion cooling no problem Pusher props required starting adjusting very conventional Construction fuselage horizontal stab/elevator assembly constructed styrene foam board sheeted heavy 56 Model Aviation Wing panels laid out leading edge leading edge after assembly Surface spars provide strength undue weight Theres no foam-core board wing balsa hardwood spars Lazy Duck settles gliding lazy landing black trim looks like windows give model big-plane look Obviously no landing gear needed Hand launches norm FULL-SIZE PLANS AVAILABLESEE PAGE 180 LEADING EDGEPLYWOODi/B SO BALSA SPARS -- -t TSIDESPRUCE [v32][b-2-10-1-10]] VB S/B SPRUCEVERY GRAIN SPARS I/H I/O BALSA TRAILING EDGE1/16 BALSA WINSBALSA SHEETING -GUSSETS ANGLE CENTERRIBSBOTTOM 3/16 FOAM BOARDA V2 FOR DIHEDRAL VB3/BSPRUCEDIHEDRAL ANGLE GAUGE DIHEDRAL/ WING ELEVATORSECTION BRAC -PAPER SURFACE FOGAi CORE STABILIZER -3/IA DOWEL -WINGCENTERSECTION 4-1/4 EACH TIP 3/IA DOWEL LEADING EDGESTABILIZER3/IA FOAM LOCATIONSOARS HATCR S/IA FOAM BOARD HATCHII/B PLY HINGEBA~AIS/IA DOWEL MONOKOTEELEVATOR ALANCEHINGENYROS1/4 HOr IEREBALS [-SPRUCE ELAGE SIDE VIEWSERVOSRECEIVERBLD FROM FOAM -BOARD NOTE FUSEIAGE CONSTRUCTION- PLACE INTERNAL BULAHEADS AUPAINTED ONTRIANGLEFUSELAGE CONSTRUCTION DETAIL NEEDED TO ENCLOSE EQUIPMENT FOR BALANCE PLACE SERVOSWINDSHIELDBRACE RECEIVER AND BATTERIES AS REQUIRED FOR BALUNCEI I/H 1/2 WING HOLDy\V4I/DBALSA L IN DOWELBALSA YE HATCH HINGE~-I/16 BALSA LINERIBPATTERN FUSELAGE TOP VIEW R9 DESIGNED BY TOM CHIPLEY 0I2345AELEVATORSTABILIZERTRACING BY 3OE DEMARCO ALL RIGHTS RESERVED paper commercial item generally referred foam-core art board available art supply frame shops material used industrial model builders first encountered it has proven fine material used correctly will replace balsa means applications such box like fuselage required very nice stuff prefer notch fold foamcore board others have done cut way ffirough butt-joint parts Whil$ does produce pretty joint greiitly simplifies layout assembly 41xt-and-glue method builds very quickly 4Ilows slight changes and/or adjust ment required Lay out parts care fully md cut #11 X-Acto equi dent using metal straightedge guid Make cut lightly first fol lowe4 through cut will minimize error using straightedge very sharfl knife way careful keep hngers hanging over edge ii ile Tl4 vertical stab rudder hard bals leading edge horizontal stab Iardwood dowel Spruce stringers foam-core board crushable side sides meet top plate Upon landing nose down structure may want buckle along top edge points no cross members stringers minimize possibility run length fuselage along inunlike balsa cannot straightened glued back together must repaired cutting out crushed section replacing new material really very May 1984 57 Continued page 159 model dives confined area photographer trees background author notes probably typical flying sites underlining need model designs can fly fairly confined areas arent seeing thingsit flies backwards Lazy Duck/Chipley Continued pane 57 easy necessary after severe crash fuselage can completely cut out assembled two evenings allowing day white similar glue fully dry After building basic box shown plan locate components ar rive correct balance point set bulkheads needed Using foam-core material added weight after balanc ing should have little effect planes performance wing simple structure time consuming fuselage Making templates Masonite sandwiching rib blanks between sanding final shape cuts time considerably also produces identical set ribs everything lines up during assembly have no struggles things dont fit Use two long small diameter bolts hold rib patterns blanks together found polyhedral design slightly stable V-dihedral wing extra time bother constructing covering three angular joints rather makes trade-off acceptable prototype wing fuselage covered MonoKote material works very nicely foam-core board would iron-on covering Since plane hand-launched belly-landed covering fuselage will greatly extend its life may wish attach cou ple hardwood runner strips further pro tect bottom wing uses two spruce spars maxi mum strength main spar webbed about 24 second spar webbed 6 Join two wing halves sections straight spruce epoxied place puts loads whether tension compression straight lines through support members bottom wing first two rib bays sheeted /16 balsa joint two sheeted halves meet reinforced glue fiber composite Making use indigenous materials re siding heart tobacco country used 1935 KINNER SPORTWING size span Plans consist 4 sheets include construction booklet fin decals Plans 0 Postage WOODY FRANTZ 9126 E 67th Ct Tulsa OK 74133 918 250-0033 BIG LEARN E EspEciAlLy DESiqNEd foR ThE NOVICE Ikr roroo sinosl NoQ WIrisi Assisebly CON rolu rio buNoroo oNd trip ON 510155 BECILSE oF h 10511 ILSEIIqE aiddil COORdINOE ION iI AISEON EIiE5iIEOEEd IN 5005501 lliElkr thi COOEI Ily lEOt5lrl OLE pNOEiAlIy por-bujlr Si OIlER EIIN COIL RE BLosk FlarwolL o psdmillsd foe Zsnoal 0 Osndna SE specs Pnecovsasd asady sand & A51 FOAM win95 fsnoLoqe sides coo Isril lanqd wish ssinsjsns qlssd placs Coaplssnssp nssp inneucdonshooovicscnnuNslstn*nd kosdwood & plywood poess psotso Sian hoodwas icIsrdd Es. whssk Foss bi1d swdinq 20 okin1 lsosns P., lOs EVRA ESrIOE MoEOMOLSEE0b tool Basso 05900 140 SIOd Ms FILER 82495 Oral EEsbS549N toad Morn, 9200 120 lb EEL VISA plastic fibrous paper-like material used cover tobacco seedlings dont know what called wet wrung out put down over coat white glue makes really strong wrinkle-free re inforcement joint can com pared fiberglass polyester resin out odor almost much strength Under conditions bottom wing center joint tension top compression design has held up fine loops sharp turns threebounce landings am firm believer gussets ribs meet trailing edge extra strength worth having Wing tips simply blocks soft balsa sanded shape engine mount / plywood rec tangle glued two solid soft balsa wedges glued hard balsa vertical stab Build about two degrees plus minusits really critical downthrust sanding soft balsa wedges shape No side thrust needed rudder also PRODUCTS FOR THE DIaCERNING MODELER Complete Line Exhaust Systems o Tuned Pipes Muffled Tuned Pipes o Headers * Venturi Mufflers * Expansion Mufflers copter Ball Mufflers 0 Specialized Exhaust Systems Unsuipas 0~ Z 259~ SPECIFICATIONS WIN SIsEN od55n55I05COI 1001110 5OAEE190 21 211 Winq AwElOb IN WiN toadiES21 WEE5bibs Rolo4cIEwIbEEOos EYRA OWNERS UpdATE NOW AvAilAblE [cnr MOdiIiCIrOL oIlEd lnsE00d1EOaOEEE,drondsOarNEI EEENs lObErrp0r 1200IIOIEMI FIIICIOIE 5iN5 EESnLEEsN OslEnrEd CEOEk5lLElE End load, IEpEEEOEd loin NEARrILrOPIIEI lVroiEEdEEIEIOEIO ALL TIlls ONLY s45oo ,l$sora104n,Es0mouo MASIFOCARD hard balsa /4 both rudder fin hinges must pinned did prototype almost lost plane rudder hinges backed out due engine vibration caused rudder lock left position came back because wind some tall grass convenient nose Speaking tall grass hardwood dowel along leading edge stab front necessary protect soft foamcore board dings such Due length stab blow near outer end likely break part loose fuselage may want add some triangu lar stock inside joint stab fuselage prevent Remember lightweight plane intended withstand punishment taken big boys still need build strong enough reasonable condi tions conventional design sturdy forward parts generally take brunt abuse landing rough terrain canard lighter structures front can suffer accordingly May1984 159 & L Manufacturing 1651 toE taasdo Loss Siorrndols AsrEoro 05215802 0410851 FAI RUBBER Sizes 1/4 3/16 1/8 3/32 1/16 1mm thick 042 Boxed 16 oz rubber per box Price $1250 per box ppd USA calif residents odd 6% sales too Coupe yule $2395 plus UPS Finiohod prop Very very completo SEND 5O FOR 19841955 CATALOG FAl Model Supply AGAINST CANCER May 26-27 Samuell Park East Mesquite Dallas Texas Notihaide Seivice Road East Belt line Interstate 20 East Dallas 500 Siry 26th CAS~ CONTR8TONS OR Flyers eat Free Guests $1000 per plate Formula Preregistration requested mandatory0 SOSOR day May 27th Send preregistration Contest DirectorO000OSR RRZRS Entry Fee Eash flyer m asked fa otsain fair qioneors per race day kt donate mlnbman $100 Mesquite Texas 75140per point socres maxkman 20 214681-1287or214286-0676points cert mede per dey Sponsors may bade may plots elalt far ANtIICAN CANCCI Stclttt Prizes ftyers obtain both Qulcate end Foneula ia Pilots oorisors have donated Dickiemsyalsosponeorthamaelvea inheuofob Flitch Hobbles Houston Texas in-taining sponsors 1 enty fee $2000 dudeper race may paid Checks made Par Texas Outlaw Quickie kit built bysbde ican Cancer Society Drew Jermna Como Enaine blueprinted Phil Bussell proceeds will collected volunteers desired bjv winnerthe Mesquite Unit Aniencan Cancer Society prototype plane employs Coxi Sanwa two-channel dry-cell transmitter receiver Nyrod type pushrods used both rudder elevator controls must bit curving get destinations throw elevator kept mm imum much needed condi tions rudder other hand should have about /s throw trailing edge both sides center third stage prototype used strip vinyl tape along entire length underside elevator/stab junction As no fuel present area need covered except looks tape hinge forms very smooth connection tween surfaces Turbulence area resulting loose flaps material poorly joined flight surfaces can have no ticeable effect flight characteristics causing nose react control move ments sudden ways profession involves some model building hobby am am afraid always meticulous comes detailing am pragmatic enough build efficiently overly concerned about last detail ll C flies well has cost next months house payment can crashed requiring trip family psychiatrist ward off self-destructive tendencies feel going should design given should used starting point build whatever would like Detail can added create look transport plane adding strip black windowss down side wheels would fit nicely andalong larger enginewould permit real takeoffs landings next project way plane can quickly stuck together enjoyed hours up air belongs have wing about 550 600 square inches surface area can borrow another plane just build fuselage carry along fun go flying next time Above fun plane t just FLYING NEAR Al RPORTS BE CAREFUL CL Scale/Boss Continued oaae 62 point process Gene Hooker uses different method described Lu ther Hux Instead using Ulano system has light-sensitive emulsion separate film sheet Gene uses method light-sensitive emulsion liquid state applied directly silk-screen fabric shown first sketch case fabric used 305-mesh monofilament material After emulsion has applied screen good coat set aside darkness air- fan-dry second sketch illustrates next step process used Gene making exposure screens photo emulsion As can see sketch artwork film photographic plate sandwiched tween photo emulsion screen piece 1/s-in-thick glass Note glass should large slightly larger screen frame sponge rubber used inside frame should slightly thicker screen frame shown sponge rubber will apply small amount pressure against screen upper lower pieces plywood put place held firm position slight pres sure C-clamps Once again note two pieces plywood slightly larger screen frame top piece has cutout least large photographic plate point ready expose screen emulsion Note second sketch 20-watt GE blacklite tube GE F20T12 BL fits 20-watt fluores cent fixture shown source ex posure light light set about 13 above assembly exposure should about 35 minutes use type light source eliminates heat problems associ ated incandescent light sources exposure complete sembly taken apart exposed screen developed washing light spray warn water After washing complete wipe off excess water let screen dry thoroughly screen now ready use third sketch depicts application 160 Model Aviation PROTECT YOUR RIGHT TO FLY THE STEARMAN C3D 35 Wingspan Engines Send 50r for Kit #104 $2195 j Flyline Models Catalog Phone 703 273-9593 Dealer & Disfributor Inquiries Invifed 3 FLYLINE MODELS INC j PO lax 2136 FaIrfax Virginia 22031 USA
Edition: Model Aviation - 1984/05
Page Numbers: 54, 55, 56, 57, 159, 160
V V I prototype model Note position engine vertical tin small relative total model its 6ft span front plane lower right configuration receives some astonished looks fellow fliers airborne tion operating plane designed just sake modeling result unique little plane 54 Model Aviation THIS DESIGN RESULTED attempts planes dont have oily finish sidestep some problems andlor frus flying big point personal philos trations conventional glow-engine- ophy will flying models dont have powered RC flying Balsa good look like full-size planes Scale mod sacred engines dont have out front els really look good great satisfac Left Especially visible view large rudder area relatively small elevator Right Someday will have learn land closer author says walks back retrieving model Note simulated windows have now added Left Radio gear early version Antenna coiled picture its flown way Later versions have receiver servos moved far forward Right Cox 049 hasnt much reserve power big plane bit stronger engine wouldnt hurt Left Note cutout elevator horn Hinge elevator should flush along bottom side Right Major parts except wing have cut out arranged lust came kit What see mostly foamcore board art supply store Left Near side fuselage has purposedly omitted show method construction Note butt joints foam-core board vertical fin engine mount balsa pieces picture Right Wing rib templates tie bolts ribs sanded shape terms cost weight powerif wing area fun build fly doesnt cost bundle attracts attention wherever flown Basically powered glider canard configuration plus unique engine location mixture mate rials give plane personality its own nothing quite like canard arousing curiosity both fliers spec tators Sunday afternoon Most modelers familiar configuration uncertain about building flying As design used full-scale builders RC fliers feel must something inherently wrong con cept mething waiting get ya dont watch out Actually have very good luck may good choice words design outset fact planes have flown probably easiest control design arrived mixture scientific principles eyeball already-mentioned luck method may sit well technical minded among probably good reason believe planes both fullsize miniature result same process design rate sketched paper mocked-up cardboard tested wing borrowed Drifter II afternoon ew right off board Almost very first tests made some simple dime store balsa gliders set up canards gave feel desired center gravity CG location first test fuselage almost exactly same shown plan t box hold May 1984 55 receiver servos battery pack form rigid separation wing horizontal stab engine receiver ser vos battery pack weighed weight-matched steel washers small plastic bag could shift weight about find correct CG time discovered about three degrees negative incidence wing horizontal stab glued flat level fuselage center line plane would nose over crunch three degrees added flight very smooth flat angle added hori zontal stab production version wing being mounted level center line wing angled down plane flew nose slightly up horizontal stab attaining required three degrees wing remained flat tricky land attitude gave appearance impending stall wing level angle built stab fuselage remains level landings slick gentle center gravity first positioned about 3 ahead leading edge wing ange test flight showed three things First 049 would fly plane provided enough thrust maintain flying speed Second elevator very sen sitive extreme care required pre vent terminal porpoising Third interesting engine ran out fuel stopped plane nosed up slightly reaction sudden loss slight downward push caused highmounted engine stalled stopped air stopped still settled gently slowly vertically earth no wiggle no flutter no forward speedjust slow vertical descent course no control no forward speed After few flights verify characteristic design just isolated event trick wind CG shifted forward about inch cor rected both elevator sensitivity vertical descent trick plane responded well control inputs fact plane could flown easily trim control rudder proved equal task response less crisp fuel ran out Power-off turns flatter wider sport fliers may used full power craft sporty leisurely sort way can flown some rather confined areas slightly larger engine would permit responsiveness controls increased forward speed could climb much rapidly As Lazy Duck great trainer and/or relaxing change pace sweaty palms Pattern flying keep awake may wish fly close ground wing tip inches away during long slow turns Loops possible building up bit forward speed full power steep dive plane WINGP1 K SOFT BALSA WING TIPS V HINGE LOCATION I/4 HARO BALSA V RUDDERFIN SOFT BALSA ENGINE MOJN I/B PLY MONOKOT HINGE COG 045 TO/BC ENGINE WITH THROTTI SLEEVE REMOVES /4 HARDWING LO BALSA -lU-Or 1. RUDDER NYROD3/IA FOAM BOARD 3/lA SO BALSA ENGINEI/B PLY MOUNT 0 SIDE THRUST RUDDER I/B DOWELS nded fast respect succeeds perfectly power off have able loop vertical dive feet terminal speed sufficient carry through loop just climbs vertically stalls falls off resumes flying Stalls very gentle level unless intentionally kick some rudder will produce much action great plane learn basic hand/eye coor dination important RC before moving fast expensive planes refer back very first sentence article design sidesteps oily fuselage because engine rear because rear less likely damaged event manage nose plane Fie you mounting engine leading edge vertical stab tractor pulling posi tion cooling no problem Pusher props required starting adjusting very conventional Construction fuselage horizontal stab/elevator assembly constructed styrene foam board sheeted heavy 56 Model Aviation Wing panels laid out leading edge leading edge after assembly Surface spars provide strength undue weight Theres no foam-core board wing balsa hardwood spars Lazy Duck settles gliding lazy landing black trim looks like windows give model big-plane look Obviously no landing gear needed Hand launches norm FULL-SIZE PLANS AVAILABLESEE PAGE 180 LEADING EDGEPLYWOODi/B SO BALSA SPARS -- -t TSIDESPRUCE [v32][b-2-10-1-10]] VB S/B SPRUCEVERY GRAIN SPARS I/H I/O BALSA TRAILING EDGE1/16 BALSA WINSBALSA SHEETING -GUSSETS ANGLE CENTERRIBSBOTTOM 3/16 FOAM BOARDA V2 FOR DIHEDRAL VB3/BSPRUCEDIHEDRAL ANGLE GAUGE DIHEDRAL/ WING ELEVATORSECTION BRAC -PAPER SURFACE FOGAi CORE STABILIZER -3/IA DOWEL -WINGCENTERSECTION 4-1/4 EACH TIP 3/IA DOWEL LEADING EDGESTABILIZER3/IA FOAM LOCATIONSOARS HATCR S/IA FOAM BOARD HATCHII/B PLY HINGEBA~AIS/IA DOWEL MONOKOTEELEVATOR ALANCEHINGENYROS1/4 HOr IEREBALS [-SPRUCE ELAGE SIDE VIEWSERVOSRECEIVERBLD FROM FOAM -BOARD NOTE FUSEIAGE CONSTRUCTION- PLACE INTERNAL BULAHEADS AUPAINTED ONTRIANGLEFUSELAGE CONSTRUCTION DETAIL NEEDED TO ENCLOSE EQUIPMENT FOR BALANCE PLACE SERVOSWINDSHIELDBRACE RECEIVER AND BATTERIES AS REQUIRED FOR BALUNCEI I/H 1/2 WING HOLDy\V4I/DBALSA L IN DOWELBALSA YE HATCH HINGE~-I/16 BALSA LINERIBPATTERN FUSELAGE TOP VIEW R9 DESIGNED BY TOM CHIPLEY 0I2345AELEVATORSTABILIZERTRACING BY 3OE DEMARCO ALL RIGHTS RESERVED paper commercial item generally referred foam-core art board available art supply frame shops material used industrial model builders first encountered it has proven fine material used correctly will replace balsa means applications such box like fuselage required very nice stuff prefer notch fold foamcore board others have done cut way ffirough butt-joint parts Whil$ does produce pretty joint greiitly simplifies layout assembly 41xt-and-glue method builds very quickly 4Ilows slight changes and/or adjust ment required Lay out parts care fully md cut #11 X-Acto equi dent using metal straightedge guid Make cut lightly first fol lowe4 through cut will minimize error using straightedge very sharfl knife way careful keep hngers hanging over edge ii ile Tl4 vertical stab rudder hard bals leading edge horizontal stab Iardwood dowel Spruce stringers foam-core board crushable side sides meet top plate Upon landing nose down structure may want buckle along top edge points no cross members stringers minimize possibility run length fuselage along inunlike balsa cannot straightened glued back together must repaired cutting out crushed section replacing new material really very May 1984 57 Continued page 159 model dives confined area photographer trees background author notes probably typical flying sites underlining need model designs can fly fairly confined areas arent seeing thingsit flies backwards Lazy Duck/Chipley Continued pane 57 easy necessary after severe crash fuselage can completely cut out assembled two evenings allowing day white similar glue fully dry After building basic box shown plan locate components ar rive correct balance point set bulkheads needed Using foam-core material added weight after balanc ing should have little effect planes performance wing simple structure time consuming fuselage Making templates Masonite sandwiching rib blanks between sanding final shape cuts time considerably also produces identical set ribs everything lines up during assembly have no struggles things dont fit Use two long small diameter bolts hold rib patterns blanks together found polyhedral design slightly stable V-dihedral wing extra time bother constructing covering three angular joints rather makes trade-off acceptable prototype wing fuselage covered MonoKote material works very nicely foam-core board would iron-on covering Since plane hand-launched belly-landed covering fuselage will greatly extend its life may wish attach cou ple hardwood runner strips further pro tect bottom wing uses two spruce spars maxi mum strength main spar webbed about 24 second spar webbed 6 Join two wing halves sections straight spruce epoxied place puts loads whether tension compression straight lines through support members bottom wing first two rib bays sheeted /16 balsa joint two sheeted halves meet reinforced glue fiber composite Making use indigenous materials re siding heart tobacco country used 1935 KINNER SPORTWING size span Plans consist 4 sheets include construction booklet fin decals Plans 0 Postage WOODY FRANTZ 9126 E 67th Ct Tulsa OK 74133 918 250-0033 BIG LEARN E EspEciAlLy DESiqNEd foR ThE NOVICE Ikr roroo sinosl NoQ WIrisi Assisebly CON rolu rio buNoroo oNd trip ON 510155 BECILSE oF h 10511 ILSEIIqE aiddil COORdINOE ION iI AISEON EIiE5iIEOEEd IN 5005501 lliElkr thi COOEI Ily lEOt5lrl OLE pNOEiAlIy por-bujlr Si OIlER EIIN COIL RE BLosk FlarwolL o psdmillsd foe Zsnoal 0 Osndna SE specs Pnecovsasd asady sand & A51 FOAM win95 fsnoLoqe sides coo Isril lanqd wish ssinsjsns qlssd placs Coaplssnssp nssp inneucdonshooovicscnnuNslstn*nd kosdwood & plywood poess psotso Sian hoodwas icIsrdd Es. whssk Foss bi1d swdinq 20 okin1 lsosns P., lOs EVRA ESrIOE MoEOMOLSEE0b tool Basso 05900 140 SIOd Ms FILER 82495 Oral EEsbS549N toad Morn, 9200 120 lb EEL VISA plastic fibrous paper-like material used cover tobacco seedlings dont know what called wet wrung out put down over coat white glue makes really strong wrinkle-free re inforcement joint can com pared fiberglass polyester resin out odor almost much strength Under conditions bottom wing center joint tension top compression design has held up fine loops sharp turns threebounce landings am firm believer gussets ribs meet trailing edge extra strength worth having Wing tips simply blocks soft balsa sanded shape engine mount / plywood rec tangle glued two solid soft balsa wedges glued hard balsa vertical stab Build about two degrees plus minusits really critical downthrust sanding soft balsa wedges shape No side thrust needed rudder also PRODUCTS FOR THE DIaCERNING MODELER Complete Line Exhaust Systems o Tuned Pipes Muffled Tuned Pipes o Headers * Venturi Mufflers * Expansion Mufflers copter Ball Mufflers 0 Specialized Exhaust Systems Unsuipas 0~ Z 259~ SPECIFICATIONS WIN SIsEN od55n55I05COI 1001110 5OAEE190 21 211 Winq AwElOb IN WiN toadiES21 WEE5bibs Rolo4cIEwIbEEOos EYRA OWNERS UpdATE NOW AvAilAblE [cnr MOdiIiCIrOL oIlEd lnsE00d1EOaOEEE,drondsOarNEI EEENs lObErrp0r 1200IIOIEMI FIIICIOIE 5iN5 EESnLEEsN OslEnrEd CEOEk5lLElE End load, IEpEEEOEd loin NEARrILrOPIIEI lVroiEEdEEIEIOEIO ALL TIlls ONLY s45oo ,l$sora104n,Es0mouo MASIFOCARD hard balsa /4 both rudder fin hinges must pinned did prototype almost lost plane rudder hinges backed out due engine vibration caused rudder lock left position came back because wind some tall grass convenient nose Speaking tall grass hardwood dowel along leading edge stab front necessary protect soft foamcore board dings such Due length stab blow near outer end likely break part loose fuselage may want add some triangu lar stock inside joint stab fuselage prevent Remember lightweight plane intended withstand punishment taken big boys still need build strong enough reasonable condi tions conventional design sturdy forward parts generally take brunt abuse landing rough terrain canard lighter structures front can suffer accordingly May1984 159 & L Manufacturing 1651 toE taasdo Loss Siorrndols AsrEoro 05215802 0410851 FAI RUBBER Sizes 1/4 3/16 1/8 3/32 1/16 1mm thick 042 Boxed 16 oz rubber per box Price $1250 per box ppd USA calif residents odd 6% sales too Coupe yule $2395 plus UPS Finiohod prop Very very completo SEND 5O FOR 19841955 CATALOG FAl Model Supply AGAINST CANCER May 26-27 Samuell Park East Mesquite Dallas Texas Notihaide Seivice Road East Belt line Interstate 20 East Dallas 500 Siry 26th CAS~ CONTR8TONS OR Flyers eat Free Guests $1000 per plate Formula Preregistration requested mandatory0 SOSOR day May 27th Send preregistration Contest DirectorO000OSR RRZRS Entry Fee Eash flyer m asked fa otsain fair qioneors per race day kt donate mlnbman $100 Mesquite Texas 75140per point socres maxkman 20 214681-1287or214286-0676points cert mede per dey Sponsors may bade may plots elalt far ANtIICAN CANCCI Stclttt Prizes ftyers obtain both Qulcate end Foneula ia Pilots oorisors have donated Dickiemsyalsosponeorthamaelvea inheuofob Flitch Hobbles Houston Texas in-taining sponsors 1 enty fee $2000 dudeper race may paid Checks made Par Texas Outlaw Quickie kit built bysbde ican Cancer Society Drew Jermna Como Enaine blueprinted Phil Bussell proceeds will collected volunteers desired bjv winnerthe Mesquite Unit Aniencan Cancer Society prototype plane employs Coxi Sanwa two-channel dry-cell transmitter receiver Nyrod type pushrods used both rudder elevator controls must bit curving get destinations throw elevator kept mm imum much needed condi tions rudder other hand should have about /s throw trailing edge both sides center third stage prototype used strip vinyl tape along entire length underside elevator/stab junction As no fuel present area need covered except looks tape hinge forms very smooth connection tween surfaces Turbulence area resulting loose flaps material poorly joined flight surfaces can have no ticeable effect flight characteristics causing nose react control move ments sudden ways profession involves some model building hobby am am afraid always meticulous comes detailing am pragmatic enough build efficiently overly concerned about last detail ll C flies well has cost next months house payment can crashed requiring trip family psychiatrist ward off self-destructive tendencies feel going should design given should used starting point build whatever would like Detail can added create look transport plane adding strip black windowss down side wheels would fit nicely andalong larger enginewould permit real takeoffs landings next project way plane can quickly stuck together enjoyed hours up air belongs have wing about 550 600 square inches surface area can borrow another plane just build fuselage carry along fun go flying next time Above fun plane t just FLYING NEAR Al RPORTS BE CAREFUL CL Scale/Boss Continued oaae 62 point process Gene Hooker uses different method described Lu ther Hux Instead using Ulano system has light-sensitive emulsion separate film sheet Gene uses method light-sensitive emulsion liquid state applied directly silk-screen fabric shown first sketch case fabric used 305-mesh monofilament material After emulsion has applied screen good coat set aside darkness air- fan-dry second sketch illustrates next step process used Gene making exposure screens photo emulsion As can see sketch artwork film photographic plate sandwiched tween photo emulsion screen piece 1/s-in-thick glass Note glass should large slightly larger screen frame sponge rubber used inside frame should slightly thicker screen frame shown sponge rubber will apply small amount pressure against screen upper lower pieces plywood put place held firm position slight pres sure C-clamps Once again note two pieces plywood slightly larger screen frame top piece has cutout least large photographic plate point ready expose screen emulsion Note second sketch 20-watt GE blacklite tube GE F20T12 BL fits 20-watt fluores cent fixture shown source ex posure light light set about 13 above assembly exposure should about 35 minutes use type light source eliminates heat problems associ ated incandescent light sources exposure complete sembly taken apart exposed screen developed washing light spray warn water After washing complete wipe off excess water let screen dry thoroughly screen now ready use third sketch depicts application 160 Model Aviation PROTECT YOUR RIGHT TO FLY THE STEARMAN C3D 35 Wingspan Engines Send 50r for Kit #104 $2195 j Flyline Models Catalog Phone 703 273-9593 Dealer & Disfributor Inquiries Invifed 3 FLYLINE MODELS INC j PO lax 2136 FaIrfax Virginia 22031 USA
Edition: Model Aviation - 1984/05
Page Numbers: 54, 55, 56, 57, 159, 160
V V I prototype model Note position engine vertical tin small relative total model its 6ft span front plane lower right configuration receives some astonished looks fellow fliers airborne tion operating plane designed just sake modeling result unique little plane 54 Model Aviation THIS DESIGN RESULTED attempts planes dont have oily finish sidestep some problems andlor frus flying big point personal philos trations conventional glow-engine- ophy will flying models dont have powered RC flying Balsa good look like full-size planes Scale mod sacred engines dont have out front els really look good great satisfac Left Especially visible view large rudder area relatively small elevator Right Someday will have learn land closer author says walks back retrieving model Note simulated windows have now added Left Radio gear early version Antenna coiled picture its flown way Later versions have receiver servos moved far forward Right Cox 049 hasnt much reserve power big plane bit stronger engine wouldnt hurt Left Note cutout elevator horn Hinge elevator should flush along bottom side Right Major parts except wing have cut out arranged lust came kit What see mostly foamcore board art supply store Left Near side fuselage has purposedly omitted show method construction Note butt joints foam-core board vertical fin engine mount balsa pieces picture Right Wing rib templates tie bolts ribs sanded shape terms cost weight powerif wing area fun build fly doesnt cost bundle attracts attention wherever flown Basically powered glider canard configuration plus unique engine location mixture mate rials give plane personality its own nothing quite like canard arousing curiosity both fliers spec tators Sunday afternoon Most modelers familiar configuration uncertain about building flying As design used full-scale builders RC fliers feel must something inherently wrong con cept mething waiting get ya dont watch out Actually have very good luck may good choice words design outset fact planes have flown probably easiest control design arrived mixture scientific principles eyeball already-mentioned luck method may sit well technical minded among probably good reason believe planes both fullsize miniature result same process design rate sketched paper mocked-up cardboard tested wing borrowed Drifter II afternoon ew right off board Almost very first tests made some simple dime store balsa gliders set up canards gave feel desired center gravity CG location first test fuselage almost exactly same shown plan t box hold May 1984 55 receiver servos battery pack form rigid separation wing horizontal stab engine receiver ser vos battery pack weighed weight-matched steel washers small plastic bag could shift weight about find correct CG time discovered about three degrees negative incidence wing horizontal stab glued flat level fuselage center line plane would nose over crunch three degrees added flight very smooth flat angle added hori zontal stab production version wing being mounted level center line wing angled down plane flew nose slightly up horizontal stab attaining required three degrees wing remained flat tricky land attitude gave appearance impending stall wing level angle built stab fuselage remains level landings slick gentle center gravity first positioned about 3 ahead leading edge wing ange test flight showed three things First 049 would fly plane provided enough thrust maintain flying speed Second elevator very sen sitive extreme care required pre vent terminal porpoising Third interesting engine ran out fuel stopped plane nosed up slightly reaction sudden loss slight downward push caused highmounted engine stalled stopped air stopped still settled gently slowly vertically earth no wiggle no flutter no forward speedjust slow vertical descent course no control no forward speed After few flights verify characteristic design just isolated event trick wind CG shifted forward about inch cor rected both elevator sensitivity vertical descent trick plane responded well control inputs fact plane could flown easily trim control rudder proved equal task response less crisp fuel ran out Power-off turns flatter wider sport fliers may used full power craft sporty leisurely sort way can flown some rather confined areas slightly larger engine would permit responsiveness controls increased forward speed could climb much rapidly As Lazy Duck great trainer and/or relaxing change pace sweaty palms Pattern flying keep awake may wish fly close ground wing tip inches away during long slow turns Loops possible building up bit forward speed full power steep dive plane WINGP1 K SOFT BALSA WING TIPS V HINGE LOCATION I/4 HARO BALSA V RUDDERFIN SOFT BALSA ENGINE MOJN I/B PLY MONOKOT HINGE COG 045 TO/BC ENGINE WITH THROTTI SLEEVE REMOVES /4 HARDWING LO BALSA -lU-Or 1. RUDDER NYROD3/IA FOAM BOARD 3/lA SO BALSA ENGINEI/B PLY MOUNT 0 SIDE THRUST RUDDER I/B DOWELS nded fast respect succeeds perfectly power off have able loop vertical dive feet terminal speed sufficient carry through loop just climbs vertically stalls falls off resumes flying Stalls very gentle level unless intentionally kick some rudder will produce much action great plane learn basic hand/eye coor dination important RC before moving fast expensive planes refer back very first sentence article design sidesteps oily fuselage because engine rear because rear less likely damaged event manage nose plane Fie you mounting engine leading edge vertical stab tractor pulling posi tion cooling no problem Pusher props required starting adjusting very conventional Construction fuselage horizontal stab/elevator assembly constructed styrene foam board sheeted heavy 56 Model Aviation Wing panels laid out leading edge leading edge after assembly Surface spars provide strength undue weight Theres no foam-core board wing balsa hardwood spars Lazy Duck settles gliding lazy landing black trim looks like windows give model big-plane look Obviously no landing gear needed Hand launches norm FULL-SIZE PLANS AVAILABLESEE PAGE 180 LEADING EDGEPLYWOODi/B SO BALSA SPARS -- -t TSIDESPRUCE [v32][b-2-10-1-10]] VB S/B SPRUCEVERY GRAIN SPARS I/H I/O BALSA TRAILING EDGE1/16 BALSA WINSBALSA SHEETING -GUSSETS ANGLE CENTERRIBSBOTTOM 3/16 FOAM BOARDA V2 FOR DIHEDRAL VB3/BSPRUCEDIHEDRAL ANGLE GAUGE DIHEDRAL/ WING ELEVATORSECTION BRAC -PAPER SURFACE FOGAi CORE STABILIZER -3/IA DOWEL -WINGCENTERSECTION 4-1/4 EACH TIP 3/IA DOWEL LEADING EDGESTABILIZER3/IA FOAM LOCATIONSOARS HATCR S/IA FOAM BOARD HATCHII/B PLY HINGEBA~AIS/IA DOWEL MONOKOTEELEVATOR ALANCEHINGENYROS1/4 HOr IEREBALS [-SPRUCE ELAGE SIDE VIEWSERVOSRECEIVERBLD FROM FOAM -BOARD NOTE FUSEIAGE CONSTRUCTION- PLACE INTERNAL BULAHEADS AUPAINTED ONTRIANGLEFUSELAGE CONSTRUCTION DETAIL NEEDED TO ENCLOSE EQUIPMENT FOR BALANCE PLACE SERVOSWINDSHIELDBRACE RECEIVER AND BATTERIES AS REQUIRED FOR BALUNCEI I/H 1/2 WING HOLDy\V4I/DBALSA L IN DOWELBALSA YE HATCH HINGE~-I/16 BALSA LINERIBPATTERN FUSELAGE TOP VIEW R9 DESIGNED BY TOM CHIPLEY 0I2345AELEVATORSTABILIZERTRACING BY 3OE DEMARCO ALL RIGHTS RESERVED paper commercial item generally referred foam-core art board available art supply frame shops material used industrial model builders first encountered it has proven fine material used correctly will replace balsa means applications such box like fuselage required very nice stuff prefer notch fold foamcore board others have done cut way ffirough butt-joint parts Whil$ does produce pretty joint greiitly simplifies layout assembly 41xt-and-glue method builds very quickly 4Ilows slight changes and/or adjust ment required Lay out parts care fully md cut #11 X-Acto equi dent using metal straightedge guid Make cut lightly first fol lowe4 through cut will minimize error using straightedge very sharfl knife way careful keep hngers hanging over edge ii ile Tl4 vertical stab rudder hard bals leading edge horizontal stab Iardwood dowel Spruce stringers foam-core board crushable side sides meet top plate Upon landing nose down structure may want buckle along top edge points no cross members stringers minimize possibility run length fuselage along inunlike balsa cannot straightened glued back together must repaired cutting out crushed section replacing new material really very May 1984 57 Continued page 159 model dives confined area photographer trees background author notes probably typical flying sites underlining need model designs can fly fairly confined areas arent seeing thingsit flies backwards Lazy Duck/Chipley Continued pane 57 easy necessary after severe crash fuselage can completely cut out assembled two evenings allowing day white similar glue fully dry After building basic box shown plan locate components ar rive correct balance point set bulkheads needed Using foam-core material added weight after balanc ing should have little effect planes performance wing simple structure time consuming fuselage Making templates Masonite sandwiching rib blanks between sanding final shape cuts time considerably also produces identical set ribs everything lines up during assembly have no struggles things dont fit Use two long small diameter bolts hold rib patterns blanks together found polyhedral design slightly stable V-dihedral wing extra time bother constructing covering three angular joints rather makes trade-off acceptable prototype wing fuselage covered MonoKote material works very nicely foam-core board would iron-on covering Since plane hand-launched belly-landed covering fuselage will greatly extend its life may wish attach cou ple hardwood runner strips further pro tect bottom wing uses two spruce spars maxi mum strength main spar webbed about 24 second spar webbed 6 Join two wing halves sections straight spruce epoxied place puts loads whether tension compression straight lines through support members bottom wing first two rib bays sheeted /16 balsa joint two sheeted halves meet reinforced glue fiber composite Making use indigenous materials re siding heart tobacco country used 1935 KINNER SPORTWING size span Plans consist 4 sheets include construction booklet fin decals Plans 0 Postage WOODY FRANTZ 9126 E 67th Ct Tulsa OK 74133 918 250-0033 BIG LEARN E EspEciAlLy DESiqNEd foR ThE NOVICE Ikr roroo sinosl NoQ WIrisi Assisebly CON rolu rio buNoroo oNd trip ON 510155 BECILSE oF h 10511 ILSEIIqE aiddil COORdINOE ION iI AISEON EIiE5iIEOEEd IN 5005501 lliElkr thi COOEI Ily lEOt5lrl OLE pNOEiAlIy por-bujlr Si OIlER EIIN COIL RE BLosk FlarwolL o psdmillsd foe Zsnoal 0 Osndna SE specs Pnecovsasd asady sand & A51 FOAM win95 fsnoLoqe sides coo Isril lanqd wish ssinsjsns qlssd placs Coaplssnssp nssp inneucdonshooovicscnnuNslstn*nd kosdwood & plywood poess psotso Sian hoodwas icIsrdd Es. whssk Foss bi1d swdinq 20 okin1 lsosns P., lOs EVRA ESrIOE MoEOMOLSEE0b tool Basso 05900 140 SIOd Ms FILER 82495 Oral EEsbS549N toad Morn, 9200 120 lb EEL VISA plastic fibrous paper-like material used cover tobacco seedlings dont know what called wet wrung out put down over coat white glue makes really strong wrinkle-free re inforcement joint can com pared fiberglass polyester resin out odor almost much strength Under conditions bottom wing center joint tension top compression design has held up fine loops sharp turns threebounce landings am firm believer gussets ribs meet trailing edge extra strength worth having Wing tips simply blocks soft balsa sanded shape engine mount / plywood rec tangle glued two solid soft balsa wedges glued hard balsa vertical stab Build about two degrees plus minusits really critical downthrust sanding soft balsa wedges shape No side thrust needed rudder also PRODUCTS FOR THE DIaCERNING MODELER Complete Line Exhaust Systems o Tuned Pipes Muffled Tuned Pipes o Headers * Venturi Mufflers * Expansion Mufflers copter Ball Mufflers 0 Specialized Exhaust Systems Unsuipas 0~ Z 259~ SPECIFICATIONS WIN SIsEN od55n55I05COI 1001110 5OAEE190 21 211 Winq AwElOb IN WiN toadiES21 WEE5bibs Rolo4cIEwIbEEOos EYRA OWNERS UpdATE NOW AvAilAblE [cnr MOdiIiCIrOL oIlEd lnsE00d1EOaOEEE,drondsOarNEI EEENs lObErrp0r 1200IIOIEMI FIIICIOIE 5iN5 EESnLEEsN OslEnrEd CEOEk5lLElE End load, IEpEEEOEd loin NEARrILrOPIIEI lVroiEEdEEIEIOEIO ALL TIlls ONLY s45oo ,l$sora104n,Es0mouo MASIFOCARD hard balsa /4 both rudder fin hinges must pinned did prototype almost lost plane rudder hinges backed out due engine vibration caused rudder lock left position came back because wind some tall grass convenient nose Speaking tall grass hardwood dowel along leading edge stab front necessary protect soft foamcore board dings such Due length stab blow near outer end likely break part loose fuselage may want add some triangu lar stock inside joint stab fuselage prevent Remember lightweight plane intended withstand punishment taken big boys still need build strong enough reasonable condi tions conventional design sturdy forward parts generally take brunt abuse landing rough terrain canard lighter structures front can suffer accordingly May1984 159 & L Manufacturing 1651 toE taasdo Loss Siorrndols AsrEoro 05215802 0410851 FAI RUBBER Sizes 1/4 3/16 1/8 3/32 1/16 1mm thick 042 Boxed 16 oz rubber per box Price $1250 per box ppd USA calif residents odd 6% sales too Coupe yule $2395 plus UPS Finiohod prop Very very completo SEND 5O FOR 19841955 CATALOG FAl Model Supply AGAINST CANCER May 26-27 Samuell Park East Mesquite Dallas Texas Notihaide Seivice Road East Belt line Interstate 20 East Dallas 500 Siry 26th CAS~ CONTR8TONS OR Flyers eat Free Guests $1000 per plate Formula Preregistration requested mandatory0 SOSOR day May 27th Send preregistration Contest DirectorO000OSR RRZRS Entry Fee Eash flyer m asked fa otsain fair qioneors per race day kt donate mlnbman $100 Mesquite Texas 75140per point socres maxkman 20 214681-1287or214286-0676points cert mede per dey Sponsors may bade may plots elalt far ANtIICAN CANCCI Stclttt Prizes ftyers obtain both Qulcate end Foneula ia Pilots oorisors have donated Dickiemsyalsosponeorthamaelvea inheuofob Flitch Hobbles Houston Texas in-taining sponsors 1 enty fee $2000 dudeper race may paid Checks made Par Texas Outlaw Quickie kit built bysbde ican Cancer Society Drew Jermna Como Enaine blueprinted Phil Bussell proceeds will collected volunteers desired bjv winnerthe Mesquite Unit Aniencan Cancer Society prototype plane employs Coxi Sanwa two-channel dry-cell transmitter receiver Nyrod type pushrods used both rudder elevator controls must bit curving get destinations throw elevator kept mm imum much needed condi tions rudder other hand should have about /s throw trailing edge both sides center third stage prototype used strip vinyl tape along entire length underside elevator/stab junction As no fuel present area need covered except looks tape hinge forms very smooth connection tween surfaces Turbulence area resulting loose flaps material poorly joined flight surfaces can have no ticeable effect flight characteristics causing nose react control move ments sudden ways profession involves some model building hobby am am afraid always meticulous comes detailing am pragmatic enough build efficiently overly concerned about last detail ll C flies well has cost next months house payment can crashed requiring trip family psychiatrist ward off self-destructive tendencies feel going should design given should used starting point build whatever would like Detail can added create look transport plane adding strip black windowss down side wheels would fit nicely andalong larger enginewould permit real takeoffs landings next project way plane can quickly stuck together enjoyed hours up air belongs have wing about 550 600 square inches surface area can borrow another plane just build fuselage carry along fun go flying next time Above fun plane t just FLYING NEAR Al RPORTS BE CAREFUL CL Scale/Boss Continued oaae 62 point process Gene Hooker uses different method described Lu ther Hux Instead using Ulano system has light-sensitive emulsion separate film sheet Gene uses method light-sensitive emulsion liquid state applied directly silk-screen fabric shown first sketch case fabric used 305-mesh monofilament material After emulsion has applied screen good coat set aside darkness air- fan-dry second sketch illustrates next step process used Gene making exposure screens photo emulsion As can see sketch artwork film photographic plate sandwiched tween photo emulsion screen piece 1/s-in-thick glass Note glass should large slightly larger screen frame sponge rubber used inside frame should slightly thicker screen frame shown sponge rubber will apply small amount pressure against screen upper lower pieces plywood put place held firm position slight pres sure C-clamps Once again note two pieces plywood slightly larger screen frame top piece has cutout least large photographic plate point ready expose screen emulsion Note second sketch 20-watt GE blacklite tube GE F20T12 BL fits 20-watt fluores cent fixture shown source ex posure light light set about 13 above assembly exposure should about 35 minutes use type light source eliminates heat problems associ ated incandescent light sources exposure complete sembly taken apart exposed screen developed washing light spray warn water After washing complete wipe off excess water let screen dry thoroughly screen now ready use third sketch depicts application 160 Model Aviation PROTECT YOUR RIGHT TO FLY THE STEARMAN C3D 35 Wingspan Engines Send 50r for Kit #104 $2195 j Flyline Models Catalog Phone 703 273-9593 Dealer & Disfributor Inquiries Invifed 3 FLYLINE MODELS INC j PO lax 2136 FaIrfax Virginia 22031 USA