NO OCR TEXT NO OCR TEXT prop speed reduction drive units multiple engine drive units have developed use larger models However systems offer fuel economy advantages gasoline engines designer conventional model can rely time-honored rules-of-thumb produce model sufficient strength rigidity-flexibility withstand antici pated air loads dur ing projected ma neuvers Because increased size vibration fac tors gasoline engines designer large model faced new problems solve typical result overly strong read heavy struc ture adequate job other side ledger perhaps has built-in structural weakness may revealed inopportune mo ment type ex perimental engineering can lead some costly lessons both time material say nothing potential models cause damage bigger harder fall has implications bob further complicated speed factor could also say faster fly harder impact original concept Quarter Scale Giant Model Movement advocated Bill Northrop build big build light reasoned real airplanes built structurally light strong built crashproof Functional struts wires braces can reduce structural weight considerably terpreted thoughts suggesting models built somewhat like Old-Timer Free Flight Radio Control Some models have designed around criteria Others have become scaled-up versions typical RC models resulting high wing loadings airspeed wanted get fun like everyone else thought starting over purchase gasoline engine heavy-duty radio distressful already consider able inventory standard modeling gear Thus thought designing something would big flyable standard 60 engine existing radio excited also occurred newcomers attracted modeling large machines shouldnt have start small trainer design simple docile big bird could serve trainer letting neophyte fun Remembering own first powered RC model Old-Timer Power house ease taught fundamentals RC clinched final cri teria low cost Much materials should come local lumberyard covering sewing shop finish ordinary clear butyrate dope airnort 24 Model Aviation Plywood rest provides solid base stabilizer Wire rubberband hooks pass through fuselage provide self-aligning effect Tail wheel steerable assist ground handling get feel big model 5-in wheels Gear 3/16in music wire 3/32-in bracing Note rubberbands provide shock-absorbing action landing gear engine cowl separate rest fuselage top incorporates cooling air exit Dummy exhaust looks plywood fuselage front also completely removable Forward fuselage top made 020-in aluminum cut clothes dryer vent pipe Its secured No 2 screws -in length sheet metal didnt interfere radio reception Cockpit area trimmed size outlined split fuel tubing Windshield cut plastic sheet framed scrap aluminum screwed fuselage Radio switch charging jack visible CHUCK WOODb Hank Clark HANECLSREJUNORP HELLOCHUCIf YOUMUST8ESUSY THEPANSAREWITHTHEBUTHEDICSJTGIVE MEVFE YOU I-lORE TOI WAS JUSTWITH YOUR DADS EATNG EM UPLITNOSPIAOTQ5 AWM OOZIN INTO THE NEWS ADMIRE MY NEWNERIPING AAIRPLANE RDTOS OSOSOLD 616SAND BOATON DISPLAY N AMA N-ID 3/8SO L EDGE CITATIONBONANZA-CMFANTASTIC FLOC IN HIS DAYS-IMPLANS HE BET 6ETSYMDICATED OVER DOING CARS NIOF FILM liE SELLIIISSURE GAVEl BOATS TOO FIRED INTl-IT 7XII UPALOT THE NATIONYET7 1 SOS , LAIN5IESP ~~sI/8X3/8I/B WIRE IN ELEVATORSI/8X 3/8 RIBS --AND I/B PLYC I/BPL~O3/STUBULAR STRINGER UINERSSPAR JOINERSWING SUPPORTS 1/4 DOWEL ENDSI/8X 1/4 STRINGERS I/8ID BRASSTUBEFl TUBE 14 WIRED TO BUIJHEADS 020 ALUM COWLING I2TAILWHEELON 1/8 MWIRE 1/8 PLYWOOD SIDES FULL LENGTH AND BOTTOM 10 LGEAR 3/B X 1/2 BALSA T EDGE 3/8SO SPRCE REAR SPAR -5 CD 1-1/8 PLYWOOD FRONT LL 2-1/4 PLYWOOD 1/43/lePLYWOOD3/16 MUSV WIRE LG LEGSBACK MAIN SPARS3/850 SPRLEE SPARSI/8SHEETBALSA RIBS PLYWOOD ENGINEDOUBLED FOR3/32M WIRE 11MOUNT PLATELG NlOuNTSSHOCK STRUTSI/8X 3/4BALSA TIPS 5 WHEELS3/IBSO SPRUCE LESTRINGERSI/2X3/4LEDGELAMINATED 14 3/4 SQ PINE ENGINE REARERS FULL-SIZE PLANS AVAILABLE . SEE PAGE 164 SIBRIIT ERIGRUST ST 3/B BRASS uSE VA PLY ARAIRS GEAR 000 NMT SOS IC ROY 7/R SlEET METAL SCREWS S/WOOWEL 3/R&D BRASS TIMAB CAWABE STRUTS eISA /4 U ITS SERVO MT- BITS US 10 BRASS TURING ATTACHED TO 6 FORMERS NW7B I3/32 66W RIND N SOLDER CAR AINCBAVT PLY -ERUIBE MT PLATE SOLDER CAR MA CASANE STRUT EDIT 3/5 03 VALAP 4SISTX A/ITFUEL TANG AA TRELER U VR PLC DC 5/B DOWEL STAB REST I/BA/C PLY STRINUERSOMMITED-ELEV SCAN FUR OABITT 90 3/B SOC 3/SN A/S 3/BS 3/B RACE WCRYVO I/B S 3/B 3/B SHYI/H SHY GAB SHROUD .---A-E------/TSU ART 3/B - ZBAOE DOUR DOD ALURTA 1/B PLY OS 5WFDCH-s IA./.xA METAL SCREWS ENTER TENT PIPECOO/PIT FL~I/TROW- ST-4-SROSYE OUT DOUBLERD B PLY DS- .ABALIABGCT OOLRLERF. STAB RODETB WREE --PRB VA BALSAL.I/IN MWPINE SAIL BLOCK ZT4 PINEU/\BATTERYER REUSEDTOIPLER 0OUSBETDODGER DOGBLEBE CAR MW I/B PLC DC CROSSUBAIN CAD TABWSSEEL GD TO 50 U/SW ERASE 13-S OW N-A PROP DO GO USE ENGINE 5 WHEELS ALIBH STROPSSCREWS US MALE ALAME TBABER FUR 3 URANNEL RARER BY CLARENCE WASORT SECT DOUBLER 5 PLY DS DOUBLER E Being biplane resulting US Male quite large wingspan 80 giving total wing area around 1800 sq Finished weight ballast bring center gravity 14 lb figures out wing loading roughly 1 lb per sq ft Compare typical 25-lb 1000 sq model over 3 lb per sq ft flat-bottom airfoil coupled typical OldTimer Free Flight moments produces model basically will fly itself fact day having some radio problems model did land itself quarter mile away will recover unassisted unusual attitudes simply releasing controlsgiven reasonable altitude Three-channel control chosen simplify initial flight training accounts generous dihedral US Male Scale model designed spirit 1930 mail planes mentioned non-traditional building materials means reducing construction cost plans call spruce fir wing spars Spruce readily obtainable hobby shop have access table saw clear fir 2 x 4 lumberyard will yield enough spar stock about buck Some lumberyards discount stores handle trim strip already cut usable sizes Common fir plywood used fuselage farmers Fuselage sides doublers cut -in mahogany door skin available sheets 7 ft long 30 36 wide local lumberyard under $10 material light strong works easily glues well contact cement white glues Construction should begin wings will need finished wing fit fuselage sides later Start laminated wing tips may cut out other parts waiting glue dry tip form cut 14 plywood Wax edges form crayon Soak four strips x YA water 30 minutes Pull bend around form time using white glue adhesive rubberbands holding place Tips need dry ovemight before removing laying up next tip Two forms will speed progress essential both right left tips can made same form Ribs cut a sheet third rib could cut -in mahogany door skin desired additional strength little gain weight Ribs easy stack-cut bandsaw have Preshape leading edge laminated tip using block plane sanding block approximate final sizeleaving some stock finish sanding Prenotch trailing edge stock ribs Cover plan kitchen wrap lay down leading edge bottom spars trailing edge Install bottom center section sheeting lami nated tip Add ribs omitting center next rib now Install top main spar vertical-grain spar webbing dry sand butt ends wing dihedral angle join wing halves dihedral braces Trim center ribs clear dihedral braces cement place Add 3/16 sq multispars top center section sheet Gussett 26 Model Aviation SPliT FSBL TSC ALOW FRAME71 I/H SPRUCE SYNHESEDO STAB HUOR ITYPI SW DOEBLER F SUET WIRE N SOLDERFROSTI/B PET SE SOCE THE TERM I/B PLY DO REFERS TO URRENCRIL DO MABOGABY DODO DEN PLY WINOSIRELD PATTERN Cabane struts plug brasatubing laced fuselage farmers wire Diagonals provide rigidity Wing mount rails brass tubing plugged wood dowel soldered wires Soldered-on washers assure uniform installation struts fuselage sides FULL-SIZE PLANS AVAILABLE . SEE PAGE 164 7* FARMERS 3Il V4 FIR PLY AJRCBAFT PLY CESTER RIBS THIS LINE IRY DIHEDRAL BRACES VNA/C PLY XIS ALUM CAWANE STRUT FEARER B WITH SOFTEPOXY WIREPB ES BRASStUE ORORLER ARMTENS MTTRIFLER VB SAT IIIIIi RIBS ER SAT OS 3/32 WIRE REINFORCEMET 3/32 RATVS Il/ TRAILING ESNF- SIREBRAL BRACES 3/N SO PBAEE _______________ -ORIESBAL ERTAIL$ liPS LAI VRA3/ lIMiER PROM BALSA PR3/RI JI BBALSA _______________________________________________ ][ US MALE lINAC LOCATIONAA SWBRASSii3/B SlIT IIIIIIVB MWAIBE SHEET 2 trailing edge tips Give wing final sanding add wire reinforcement trailing edge center Both wings identical Stabilizer elevator fin rudderare straight forward structures Ribs simply s balsa stock sanded shape after assembly Make own elevator joiner -in music wire Dont forget slide brass bearing tube over wire before bending Fit set good heavy-duty pintype hinges Du-Bro makes some good ones cotter key pins Note notch bottom rudder tail wheel steering arm piece made hardwood Also note triangular balsa key bottom stabilizer alignment purposes will need closely fitted fuselage later base fin notched clear top stabilizer spar Fuselage constructim begins cutting basic sides doublers door skin Cut Formers 3 through 11 plywood Former 1 cut raft plywood No 2 3/ fir plywood Fuselage sides should clamped together sanding final size fitting lower wing cutout finished wing Lay out sides top edges together ensure making right left side locate sq pine engine mount beams using doublers Formers 3 6 alignment Note Formers 6 8 bear fuselage sides others rest doublers Glue engine mounts sides white glue allow dry Adhere doublers contact cement Ensure space Former 6 Adhere tripler wing saddle area Glue 14-in sq gussets rear fuselage area dry clamp fuselage sides together outsideto-outside drill wing dowel holes Join fuselage sides using Formers 3 6 8 tank compartment floor aid align ment Small nails brads helpful maybe left permanently structure dry install tail post block remaining formers Accurately locate holes cabane strut tubes fuselage sides adjacent Formers 6 7 Drill accept -in ID brass tubing Install tubing flush outside fuselage secure formers wire lacing epoxy glue Fabricate landing gear mounting blocks 3/16 aircraft plywood install notches provided fuselage sides Install spruce stringers aft cockpit Add cockpit floor servo mount rails top fuselage Triplers G Cut engine mount plate aircraft plywood screw engine bearers six No 8 -in buttonhead sheet metal screws Temporarily install engine Glue Form ers 1 2 together fit front fuselage screws trimming engine clear ance needed Mount stabilizer rest fit tri angular-shaped stabilizer alignment key bot tom stabilizer Secure tail surfaces fuselage rubberbands Temporarily install radio gear install Ny- rods equivalent elevator rudder 7 throttle controls Support control rods along runs prevent undesired buckling flexing Provide 1-in rudder travel 1in elevator travel direction measured trailing edges Remove engine radio December 1982 27 VBSRT WEBRINA3/BOVB SPRICE SEARS VERTICAL ORAW IUii 3/3UWIT-I FIR COTROT IIIIIII1f~ 3/BSR Hemoval cowiing exposes fuel tank plumbing complete engine installation Engine mounts plate screws beams fuselage Makes changing engines easy proceed construction Sheet fuselage bottom ood door skin cross grain Bend four identical cabane struts -in music wire best done simultaneously aid vise Tape four pieces wire together side-by-side mark bend locations end Length critical long pieces equal Clamp wires vise bend proper angle hand Reverse wires bend other end proper angle Prepare brass tube wing mount rails install ing dowel plugs drilling mounting holes holes must have spacing identical fuselage wing mount tubes ensure zero inci dence top wing Place fuselage flat surface slide cabane wires mounting tubes Slip wing mount rails over wires support temporary blocking Check alignment front side above satisfied solder cabane wires securely brass tubing Bend 3/32-in music wire diagonal braces bind joints soft iron copper wire solder stop washer should soldered bottom cabane wire ensure uniform alignment time cabane strut assemblies installed fuselage top cockpit forward formed 020-in aluminum Obtain length 4-in dryer vent hardware building supply store material easily cut tin snips Make piece fit Former 5 Former 8 enclosing fuel tank compartment Cut out cockpit opening file ofT burrs Continued page 76 SIXTH Annual JANUARY 8&9 1983 SPECIALIZING IN RADIO CONTROL INDOOR DEMONSTRATIONS STATIC DISPLAY COMPETITION IN MANY CATEGORIES INTERNATIONAL MODELER SHOW BOX 127 COSTA MESA CA 92627 PHONE 71 41-548-A700 OR 71 Ab645-8830 UIUIiIIUinzi ISeen bottom bottom wing removed theres anp~ ruuni br raubo inslallanon ui components shock-mounted Support control pushrods regular intervals prevent flexing buckling Landing gear retained mounting blocks sheet metal straps screws Split dowel keys give perfect alignment top wing time installed Secure wings three No 84 rubberbands side RNATI C SEE THE LATEST PRODUCTS AND VISIT WITH MAJOR MANUFACTURERS AND DISTRIBUTORS 28 Model Aviation PEANUT SCALE MODELS MUSTANG MILES M-18ZERO DRUINEPIETENPOL COUGAR PIPER CUB GIPSY MOTHANDRESON GANAGOBIELACEY M-lO Rubber Powered Balsa Tissue Kits $595 SPORT MODELS PRAIRIE BIRD 4 $595 BABY ACE$649 ONE NITE 28$696 ONE NITE 16$595 STRINGLESS WONDER$495 PECK BOG -$l95 RUBBER OR CO-2 POWERED UVIWING NEEDS PROPS TISSUE RUBBER WINDERS BLADE SHARPENERS BEARINGS PROP SHAFTS LUBE WASHERS WHEELS FUSE CO-2 MOTORS BOOKS PLANS MORE ADVENTURE MODELS PONY BLIMP Il-FT RIC AIRSHIP KIT $24900 COMPLETE CATALOG $100 HARD TO FIND ITEMS FOR RUBBER MODELS AND AIRSHIPS plans Customers insist aerobat ics everything Wright Flyer Sure understand flight realismand no can build anything fly scale speedhut Moustique bad have zip Oh death thy sting So Ross Twin 60 span 80 145 oz wing loading 8 sq ft area 7-lb weight floater course big Aristocrat almost floats 38-oz loading Norms Moustique took off tlsree feet zero breeze recovers com plete stall about its own length flies flat unbanked 360s hy crossing controls Now tells would better 35 45 sport engine thinks 30 4-cycle Saito FA-30 would ideal Old Norm will right-on sport enginestoo bad Farman just plan kit kit Id have sit yet another tantalizing fantasy photo Turbulent Septem ber issue really Jodel D-9 probably know writes Dick Konkle Just cant resist poking little fun Since two guys wrote about glaring error thank realizing gosh-aw ful typewriter did know differ ence Dick has info little history D-9 group us bought plans full-size plane around 1958I fell heir plans bought Gemini Twin looked around design exposed two-hanger also reasonably aerobaticthe Jodel choice Structure scale including sprung landing gear scale 30% wing span about 88 weight 13 lb has done well contests usually first second caption two issues back Turbulent extolled flying qualities Jodel same true Turbulent Both mag nificent subjects Rubber FF Gas CL RC size now editor screaming frequency pin Bill Winter 4426 Altura Ct Fairfax VA 22030 US Male/Haught Continued page 28 Attach fuselage No 2 x -in sheet metal screws spaced shown plan Cut engine cowling portion length Provide engine cooling hole 1 x 3 shown Also cutclearance muffler exhaust extension Cut windshield plastic sheet Frame bottom edge scrap aluminum bolt fuselage landing gear fabricated 3/16-in music wire 3/32-in music wire bracing Fix front rear components fuselage straps screws Bind parts together soft wire solder securely assembled fuselage tail wheel gear installed after covering fuselage Remove metal parts give fuse lage final sanding Covering Any popular covering tech niques can used addition flying surfaces prefer cover entire fuselageas feel lighter-weight finish may obtained way keeping commitment lowbudget model original covered polyesterdress liningfrom local sewingshop material comes myriad colors strong cheap heat-shrinkable Proceed follows Continued page 82 76 Model Aviation -a - ct2f THE PEANUT-PEOPLE PRESENT L P 0 BOX 2490-MA LA MESA CALIF 92041 PHONE 714 409-8675 714 442-4036
Edition: Model Aviation - 1982/12
Page Numbers: 22, 23, 24, 25, 26, 27, 28, 76
NO OCR TEXT NO OCR TEXT prop speed reduction drive units multiple engine drive units have developed use larger models However systems offer fuel economy advantages gasoline engines designer conventional model can rely time-honored rules-of-thumb produce model sufficient strength rigidity-flexibility withstand antici pated air loads dur ing projected ma neuvers Because increased size vibration fac tors gasoline engines designer large model faced new problems solve typical result overly strong read heavy struc ture adequate job other side ledger perhaps has built-in structural weakness may revealed inopportune mo ment type ex perimental engineering can lead some costly lessons both time material say nothing potential models cause damage bigger harder fall has implications bob further complicated speed factor could also say faster fly harder impact original concept Quarter Scale Giant Model Movement advocated Bill Northrop build big build light reasoned real airplanes built structurally light strong built crashproof Functional struts wires braces can reduce structural weight considerably terpreted thoughts suggesting models built somewhat like Old-Timer Free Flight Radio Control Some models have designed around criteria Others have become scaled-up versions typical RC models resulting high wing loadings airspeed wanted get fun like everyone else thought starting over purchase gasoline engine heavy-duty radio distressful already consider able inventory standard modeling gear Thus thought designing something would big flyable standard 60 engine existing radio excited also occurred newcomers attracted modeling large machines shouldnt have start small trainer design simple docile big bird could serve trainer letting neophyte fun Remembering own first powered RC model Old-Timer Power house ease taught fundamentals RC clinched final cri teria low cost Much materials should come local lumberyard covering sewing shop finish ordinary clear butyrate dope airnort 24 Model Aviation Plywood rest provides solid base stabilizer Wire rubberband hooks pass through fuselage provide self-aligning effect Tail wheel steerable assist ground handling get feel big model 5-in wheels Gear 3/16in music wire 3/32-in bracing Note rubberbands provide shock-absorbing action landing gear engine cowl separate rest fuselage top incorporates cooling air exit Dummy exhaust looks plywood fuselage front also completely removable Forward fuselage top made 020-in aluminum cut clothes dryer vent pipe Its secured No 2 screws -in length sheet metal didnt interfere radio reception Cockpit area trimmed size outlined split fuel tubing Windshield cut plastic sheet framed scrap aluminum screwed fuselage Radio switch charging jack visible CHUCK WOODb Hank Clark HANECLSREJUNORP HELLOCHUCIf YOUMUST8ESUSY THEPANSAREWITHTHEBUTHEDICSJTGIVE MEVFE YOU I-lORE TOI WAS JUSTWITH YOUR DADS EATNG EM UPLITNOSPIAOTQ5 AWM OOZIN INTO THE NEWS ADMIRE MY NEWNERIPING AAIRPLANE RDTOS OSOSOLD 616SAND BOATON DISPLAY N AMA N-ID 3/8SO L EDGE CITATIONBONANZA-CMFANTASTIC FLOC IN HIS DAYS-IMPLANS HE BET 6ETSYMDICATED OVER DOING CARS NIOF FILM liE SELLIIISSURE GAVEl BOATS TOO FIRED INTl-IT 7XII UPALOT THE NATIONYET7 1 SOS , LAIN5IESP ~~sI/8X3/8I/B WIRE IN ELEVATORSI/8X 3/8 RIBS --AND I/B PLYC I/BPL~O3/STUBULAR STRINGER UINERSSPAR JOINERSWING SUPPORTS 1/4 DOWEL ENDSI/8X 1/4 STRINGERS I/8ID BRASSTUBEFl TUBE 14 WIRED TO BUIJHEADS 020 ALUM COWLING I2TAILWHEELON 1/8 MWIRE 1/8 PLYWOOD SIDES FULL LENGTH AND BOTTOM 10 LGEAR 3/B X 1/2 BALSA T EDGE 3/8SO SPRCE REAR SPAR -5 CD 1-1/8 PLYWOOD FRONT LL 2-1/4 PLYWOOD 1/43/lePLYWOOD3/16 MUSV WIRE LG LEGSBACK MAIN SPARS3/850 SPRLEE SPARSI/8SHEETBALSA RIBS PLYWOOD ENGINEDOUBLED FOR3/32M WIRE 11MOUNT PLATELG NlOuNTSSHOCK STRUTSI/8X 3/4BALSA TIPS 5 WHEELS3/IBSO SPRUCE LESTRINGERSI/2X3/4LEDGELAMINATED 14 3/4 SQ PINE ENGINE REARERS FULL-SIZE PLANS AVAILABLE . SEE PAGE 164 SIBRIIT ERIGRUST ST 3/B BRASS uSE VA PLY ARAIRS GEAR 000 NMT SOS IC ROY 7/R SlEET METAL SCREWS S/WOOWEL 3/R&D BRASS TIMAB CAWABE STRUTS eISA /4 U ITS SERVO MT- BITS US 10 BRASS TURING ATTACHED TO 6 FORMERS NW7B I3/32 66W RIND N SOLDER CAR AINCBAVT PLY -ERUIBE MT PLATE SOLDER CAR MA CASANE STRUT EDIT 3/5 03 VALAP 4SISTX A/ITFUEL TANG AA TRELER U VR PLC DC 5/B DOWEL STAB REST I/BA/C PLY STRINUERSOMMITED-ELEV SCAN FUR OABITT 90 3/B SOC 3/SN A/S 3/BS 3/B RACE WCRYVO I/B S 3/B 3/B SHYI/H SHY GAB SHROUD .---A-E------/TSU ART 3/B - ZBAOE DOUR DOD ALURTA 1/B PLY OS 5WFDCH-s IA./.xA METAL SCREWS ENTER TENT PIPECOO/PIT FL~I/TROW- ST-4-SROSYE OUT DOUBLERD B PLY DS- .ABALIABGCT OOLRLERF. STAB RODETB WREE --PRB VA BALSAL.I/IN MWPINE SAIL BLOCK ZT4 PINEU/\BATTERYER REUSEDTOIPLER 0OUSBETDODGER DOGBLEBE CAR MW I/B PLC DC CROSSUBAIN CAD TABWSSEEL GD TO 50 U/SW ERASE 13-S OW N-A PROP DO GO USE ENGINE 5 WHEELS ALIBH STROPSSCREWS US MALE ALAME TBABER FUR 3 URANNEL RARER BY CLARENCE WASORT SECT DOUBLER 5 PLY DS DOUBLER E Being biplane resulting US Male quite large wingspan 80 giving total wing area around 1800 sq Finished weight ballast bring center gravity 14 lb figures out wing loading roughly 1 lb per sq ft Compare typical 25-lb 1000 sq model over 3 lb per sq ft flat-bottom airfoil coupled typical OldTimer Free Flight moments produces model basically will fly itself fact day having some radio problems model did land itself quarter mile away will recover unassisted unusual attitudes simply releasing controlsgiven reasonable altitude Three-channel control chosen simplify initial flight training accounts generous dihedral US Male Scale model designed spirit 1930 mail planes mentioned non-traditional building materials means reducing construction cost plans call spruce fir wing spars Spruce readily obtainable hobby shop have access table saw clear fir 2 x 4 lumberyard will yield enough spar stock about buck Some lumberyards discount stores handle trim strip already cut usable sizes Common fir plywood used fuselage farmers Fuselage sides doublers cut -in mahogany door skin available sheets 7 ft long 30 36 wide local lumberyard under $10 material light strong works easily glues well contact cement white glues Construction should begin wings will need finished wing fit fuselage sides later Start laminated wing tips may cut out other parts waiting glue dry tip form cut 14 plywood Wax edges form crayon Soak four strips x YA water 30 minutes Pull bend around form time using white glue adhesive rubberbands holding place Tips need dry ovemight before removing laying up next tip Two forms will speed progress essential both right left tips can made same form Ribs cut a sheet third rib could cut -in mahogany door skin desired additional strength little gain weight Ribs easy stack-cut bandsaw have Preshape leading edge laminated tip using block plane sanding block approximate final sizeleaving some stock finish sanding Prenotch trailing edge stock ribs Cover plan kitchen wrap lay down leading edge bottom spars trailing edge Install bottom center section sheeting lami nated tip Add ribs omitting center next rib now Install top main spar vertical-grain spar webbing dry sand butt ends wing dihedral angle join wing halves dihedral braces Trim center ribs clear dihedral braces cement place Add 3/16 sq multispars top center section sheet Gussett 26 Model Aviation SPliT FSBL TSC ALOW FRAME71 I/H SPRUCE SYNHESEDO STAB HUOR ITYPI SW DOEBLER F SUET WIRE N SOLDERFROSTI/B PET SE SOCE THE TERM I/B PLY DO REFERS TO URRENCRIL DO MABOGABY DODO DEN PLY WINOSIRELD PATTERN Cabane struts plug brasatubing laced fuselage farmers wire Diagonals provide rigidity Wing mount rails brass tubing plugged wood dowel soldered wires Soldered-on washers assure uniform installation struts fuselage sides FULL-SIZE PLANS AVAILABLE . SEE PAGE 164 7* FARMERS 3Il V4 FIR PLY AJRCBAFT PLY CESTER RIBS THIS LINE IRY DIHEDRAL BRACES VNA/C PLY XIS ALUM CAWANE STRUT FEARER B WITH SOFTEPOXY WIREPB ES BRASStUE ORORLER ARMTENS MTTRIFLER VB SAT IIIIIi RIBS ER SAT OS 3/32 WIRE REINFORCEMET 3/32 RATVS Il/ TRAILING ESNF- SIREBRAL BRACES 3/N SO PBAEE _______________ -ORIESBAL ERTAIL$ liPS LAI VRA3/ lIMiER PROM BALSA PR3/RI JI BBALSA _______________________________________________ ][ US MALE lINAC LOCATIONAA SWBRASSii3/B SlIT IIIIIIVB MWAIBE SHEET 2 trailing edge tips Give wing final sanding add wire reinforcement trailing edge center Both wings identical Stabilizer elevator fin rudderare straight forward structures Ribs simply s balsa stock sanded shape after assembly Make own elevator joiner -in music wire Dont forget slide brass bearing tube over wire before bending Fit set good heavy-duty pintype hinges Du-Bro makes some good ones cotter key pins Note notch bottom rudder tail wheel steering arm piece made hardwood Also note triangular balsa key bottom stabilizer alignment purposes will need closely fitted fuselage later base fin notched clear top stabilizer spar Fuselage constructim begins cutting basic sides doublers door skin Cut Formers 3 through 11 plywood Former 1 cut raft plywood No 2 3/ fir plywood Fuselage sides should clamped together sanding final size fitting lower wing cutout finished wing Lay out sides top edges together ensure making right left side locate sq pine engine mount beams using doublers Formers 3 6 alignment Note Formers 6 8 bear fuselage sides others rest doublers Glue engine mounts sides white glue allow dry Adhere doublers contact cement Ensure space Former 6 Adhere tripler wing saddle area Glue 14-in sq gussets rear fuselage area dry clamp fuselage sides together outsideto-outside drill wing dowel holes Join fuselage sides using Formers 3 6 8 tank compartment floor aid align ment Small nails brads helpful maybe left permanently structure dry install tail post block remaining formers Accurately locate holes cabane strut tubes fuselage sides adjacent Formers 6 7 Drill accept -in ID brass tubing Install tubing flush outside fuselage secure formers wire lacing epoxy glue Fabricate landing gear mounting blocks 3/16 aircraft plywood install notches provided fuselage sides Install spruce stringers aft cockpit Add cockpit floor servo mount rails top fuselage Triplers G Cut engine mount plate aircraft plywood screw engine bearers six No 8 -in buttonhead sheet metal screws Temporarily install engine Glue Form ers 1 2 together fit front fuselage screws trimming engine clear ance needed Mount stabilizer rest fit tri angular-shaped stabilizer alignment key bot tom stabilizer Secure tail surfaces fuselage rubberbands Temporarily install radio gear install Ny- rods equivalent elevator rudder 7 throttle controls Support control rods along runs prevent undesired buckling flexing Provide 1-in rudder travel 1in elevator travel direction measured trailing edges Remove engine radio December 1982 27 VBSRT WEBRINA3/BOVB SPRICE SEARS VERTICAL ORAW IUii 3/3UWIT-I FIR COTROT IIIIIII1f~ 3/BSR Hemoval cowiing exposes fuel tank plumbing complete engine installation Engine mounts plate screws beams fuselage Makes changing engines easy proceed construction Sheet fuselage bottom ood door skin cross grain Bend four identical cabane struts -in music wire best done simultaneously aid vise Tape four pieces wire together side-by-side mark bend locations end Length critical long pieces equal Clamp wires vise bend proper angle hand Reverse wires bend other end proper angle Prepare brass tube wing mount rails install ing dowel plugs drilling mounting holes holes must have spacing identical fuselage wing mount tubes ensure zero inci dence top wing Place fuselage flat surface slide cabane wires mounting tubes Slip wing mount rails over wires support temporary blocking Check alignment front side above satisfied solder cabane wires securely brass tubing Bend 3/32-in music wire diagonal braces bind joints soft iron copper wire solder stop washer should soldered bottom cabane wire ensure uniform alignment time cabane strut assemblies installed fuselage top cockpit forward formed 020-in aluminum Obtain length 4-in dryer vent hardware building supply store material easily cut tin snips Make piece fit Former 5 Former 8 enclosing fuel tank compartment Cut out cockpit opening file ofT burrs Continued page 76 SIXTH Annual JANUARY 8&9 1983 SPECIALIZING IN RADIO CONTROL INDOOR DEMONSTRATIONS STATIC DISPLAY COMPETITION IN MANY CATEGORIES INTERNATIONAL MODELER SHOW BOX 127 COSTA MESA CA 92627 PHONE 71 41-548-A700 OR 71 Ab645-8830 UIUIiIIUinzi ISeen bottom bottom wing removed theres anp~ ruuni br raubo inslallanon ui components shock-mounted Support control pushrods regular intervals prevent flexing buckling Landing gear retained mounting blocks sheet metal straps screws Split dowel keys give perfect alignment top wing time installed Secure wings three No 84 rubberbands side RNATI C SEE THE LATEST PRODUCTS AND VISIT WITH MAJOR MANUFACTURERS AND DISTRIBUTORS 28 Model Aviation PEANUT SCALE MODELS MUSTANG MILES M-18ZERO DRUINEPIETENPOL COUGAR PIPER CUB GIPSY MOTHANDRESON GANAGOBIELACEY M-lO Rubber Powered Balsa Tissue Kits $595 SPORT MODELS PRAIRIE BIRD 4 $595 BABY ACE$649 ONE NITE 28$696 ONE NITE 16$595 STRINGLESS WONDER$495 PECK BOG -$l95 RUBBER OR CO-2 POWERED UVIWING NEEDS PROPS TISSUE RUBBER WINDERS BLADE SHARPENERS BEARINGS PROP SHAFTS LUBE WASHERS WHEELS FUSE CO-2 MOTORS BOOKS PLANS MORE ADVENTURE MODELS PONY BLIMP Il-FT RIC AIRSHIP KIT $24900 COMPLETE CATALOG $100 HARD TO FIND ITEMS FOR RUBBER MODELS AND AIRSHIPS plans Customers insist aerobat ics everything Wright Flyer Sure understand flight realismand no can build anything fly scale speedhut Moustique bad have zip Oh death thy sting So Ross Twin 60 span 80 145 oz wing loading 8 sq ft area 7-lb weight floater course big Aristocrat almost floats 38-oz loading Norms Moustique took off tlsree feet zero breeze recovers com plete stall about its own length flies flat unbanked 360s hy crossing controls Now tells would better 35 45 sport engine thinks 30 4-cycle Saito FA-30 would ideal Old Norm will right-on sport enginestoo bad Farman just plan kit kit Id have sit yet another tantalizing fantasy photo Turbulent Septem ber issue really Jodel D-9 probably know writes Dick Konkle Just cant resist poking little fun Since two guys wrote about glaring error thank realizing gosh-aw ful typewriter did know differ ence Dick has info little history D-9 group us bought plans full-size plane around 1958I fell heir plans bought Gemini Twin looked around design exposed two-hanger also reasonably aerobaticthe Jodel choice Structure scale including sprung landing gear scale 30% wing span about 88 weight 13 lb has done well contests usually first second caption two issues back Turbulent extolled flying qualities Jodel same true Turbulent Both mag nificent subjects Rubber FF Gas CL RC size now editor screaming frequency pin Bill Winter 4426 Altura Ct Fairfax VA 22030 US Male/Haught Continued page 28 Attach fuselage No 2 x -in sheet metal screws spaced shown plan Cut engine cowling portion length Provide engine cooling hole 1 x 3 shown Also cutclearance muffler exhaust extension Cut windshield plastic sheet Frame bottom edge scrap aluminum bolt fuselage landing gear fabricated 3/16-in music wire 3/32-in music wire bracing Fix front rear components fuselage straps screws Bind parts together soft wire solder securely assembled fuselage tail wheel gear installed after covering fuselage Remove metal parts give fuse lage final sanding Covering Any popular covering tech niques can used addition flying surfaces prefer cover entire fuselageas feel lighter-weight finish may obtained way keeping commitment lowbudget model original covered polyesterdress liningfrom local sewingshop material comes myriad colors strong cheap heat-shrinkable Proceed follows Continued page 82 76 Model Aviation -a - ct2f THE PEANUT-PEOPLE PRESENT L P 0 BOX 2490-MA LA MESA CALIF 92041 PHONE 714 409-8675 714 442-4036
Edition: Model Aviation - 1982/12
Page Numbers: 22, 23, 24, 25, 26, 27, 28, 76
NO OCR TEXT NO OCR TEXT prop speed reduction drive units multiple engine drive units have developed use larger models However systems offer fuel economy advantages gasoline engines designer conventional model can rely time-honored rules-of-thumb produce model sufficient strength rigidity-flexibility withstand antici pated air loads dur ing projected ma neuvers Because increased size vibration fac tors gasoline engines designer large model faced new problems solve typical result overly strong read heavy struc ture adequate job other side ledger perhaps has built-in structural weakness may revealed inopportune mo ment type ex perimental engineering can lead some costly lessons both time material say nothing potential models cause damage bigger harder fall has implications bob further complicated speed factor could also say faster fly harder impact original concept Quarter Scale Giant Model Movement advocated Bill Northrop build big build light reasoned real airplanes built structurally light strong built crashproof Functional struts wires braces can reduce structural weight considerably terpreted thoughts suggesting models built somewhat like Old-Timer Free Flight Radio Control Some models have designed around criteria Others have become scaled-up versions typical RC models resulting high wing loadings airspeed wanted get fun like everyone else thought starting over purchase gasoline engine heavy-duty radio distressful already consider able inventory standard modeling gear Thus thought designing something would big flyable standard 60 engine existing radio excited also occurred newcomers attracted modeling large machines shouldnt have start small trainer design simple docile big bird could serve trainer letting neophyte fun Remembering own first powered RC model Old-Timer Power house ease taught fundamentals RC clinched final cri teria low cost Much materials should come local lumberyard covering sewing shop finish ordinary clear butyrate dope airnort 24 Model Aviation Plywood rest provides solid base stabilizer Wire rubberband hooks pass through fuselage provide self-aligning effect Tail wheel steerable assist ground handling get feel big model 5-in wheels Gear 3/16in music wire 3/32-in bracing Note rubberbands provide shock-absorbing action landing gear engine cowl separate rest fuselage top incorporates cooling air exit Dummy exhaust looks plywood fuselage front also completely removable Forward fuselage top made 020-in aluminum cut clothes dryer vent pipe Its secured No 2 screws -in length sheet metal didnt interfere radio reception Cockpit area trimmed size outlined split fuel tubing Windshield cut plastic sheet framed scrap aluminum screwed fuselage Radio switch charging jack visible CHUCK WOODb Hank Clark HANECLSREJUNORP HELLOCHUCIf YOUMUST8ESUSY THEPANSAREWITHTHEBUTHEDICSJTGIVE MEVFE YOU I-lORE TOI WAS JUSTWITH YOUR DADS EATNG EM UPLITNOSPIAOTQ5 AWM OOZIN INTO THE NEWS ADMIRE MY NEWNERIPING AAIRPLANE RDTOS OSOSOLD 616SAND BOATON DISPLAY N AMA N-ID 3/8SO L EDGE CITATIONBONANZA-CMFANTASTIC FLOC IN HIS DAYS-IMPLANS HE BET 6ETSYMDICATED OVER DOING CARS NIOF FILM liE SELLIIISSURE GAVEl BOATS TOO FIRED INTl-IT 7XII UPALOT THE NATIONYET7 1 SOS , LAIN5IESP ~~sI/8X3/8I/B WIRE IN ELEVATORSI/8X 3/8 RIBS --AND I/B PLYC I/BPL~O3/STUBULAR STRINGER UINERSSPAR JOINERSWING SUPPORTS 1/4 DOWEL ENDSI/8X 1/4 STRINGERS I/8ID BRASSTUBEFl TUBE 14 WIRED TO BUIJHEADS 020 ALUM COWLING I2TAILWHEELON 1/8 MWIRE 1/8 PLYWOOD SIDES FULL LENGTH AND BOTTOM 10 LGEAR 3/B X 1/2 BALSA T EDGE 3/8SO SPRCE REAR SPAR -5 CD 1-1/8 PLYWOOD FRONT LL 2-1/4 PLYWOOD 1/43/lePLYWOOD3/16 MUSV WIRE LG LEGSBACK MAIN SPARS3/850 SPRLEE SPARSI/8SHEETBALSA RIBS PLYWOOD ENGINEDOUBLED FOR3/32M WIRE 11MOUNT PLATELG NlOuNTSSHOCK STRUTSI/8X 3/4BALSA TIPS 5 WHEELS3/IBSO SPRUCE LESTRINGERSI/2X3/4LEDGELAMINATED 14 3/4 SQ PINE ENGINE REARERS FULL-SIZE PLANS AVAILABLE . SEE PAGE 164 SIBRIIT ERIGRUST ST 3/B BRASS uSE VA PLY ARAIRS GEAR 000 NMT SOS IC ROY 7/R SlEET METAL SCREWS S/WOOWEL 3/R&D BRASS TIMAB CAWABE STRUTS eISA /4 U ITS SERVO MT- BITS US 10 BRASS TURING ATTACHED TO 6 FORMERS NW7B I3/32 66W RIND N SOLDER CAR AINCBAVT PLY -ERUIBE MT PLATE SOLDER CAR MA CASANE STRUT EDIT 3/5 03 VALAP 4SISTX A/ITFUEL TANG AA TRELER U VR PLC DC 5/B DOWEL STAB REST I/BA/C PLY STRINUERSOMMITED-ELEV SCAN FUR OABITT 90 3/B SOC 3/SN A/S 3/BS 3/B RACE WCRYVO I/B S 3/B 3/B SHYI/H SHY GAB SHROUD .---A-E------/TSU ART 3/B - ZBAOE DOUR DOD ALURTA 1/B PLY OS 5WFDCH-s IA./.xA METAL SCREWS ENTER TENT PIPECOO/PIT FL~I/TROW- ST-4-SROSYE OUT DOUBLERD B PLY DS- .ABALIABGCT OOLRLERF. STAB RODETB WREE --PRB VA BALSAL.I/IN MWPINE SAIL BLOCK ZT4 PINEU/\BATTERYER REUSEDTOIPLER 0OUSBETDODGER DOGBLEBE CAR MW I/B PLC DC CROSSUBAIN CAD TABWSSEEL GD TO 50 U/SW ERASE 13-S OW N-A PROP DO GO USE ENGINE 5 WHEELS ALIBH STROPSSCREWS US MALE ALAME TBABER FUR 3 URANNEL RARER BY CLARENCE WASORT SECT DOUBLER 5 PLY DS DOUBLER E Being biplane resulting US Male quite large wingspan 80 giving total wing area around 1800 sq Finished weight ballast bring center gravity 14 lb figures out wing loading roughly 1 lb per sq ft Compare typical 25-lb 1000 sq model over 3 lb per sq ft flat-bottom airfoil coupled typical OldTimer Free Flight moments produces model basically will fly itself fact day having some radio problems model did land itself quarter mile away will recover unassisted unusual attitudes simply releasing controlsgiven reasonable altitude Three-channel control chosen simplify initial flight training accounts generous dihedral US Male Scale model designed spirit 1930 mail planes mentioned non-traditional building materials means reducing construction cost plans call spruce fir wing spars Spruce readily obtainable hobby shop have access table saw clear fir 2 x 4 lumberyard will yield enough spar stock about buck Some lumberyards discount stores handle trim strip already cut usable sizes Common fir plywood used fuselage farmers Fuselage sides doublers cut -in mahogany door skin available sheets 7 ft long 30 36 wide local lumberyard under $10 material light strong works easily glues well contact cement white glues Construction should begin wings will need finished wing fit fuselage sides later Start laminated wing tips may cut out other parts waiting glue dry tip form cut 14 plywood Wax edges form crayon Soak four strips x YA water 30 minutes Pull bend around form time using white glue adhesive rubberbands holding place Tips need dry ovemight before removing laying up next tip Two forms will speed progress essential both right left tips can made same form Ribs cut a sheet third rib could cut -in mahogany door skin desired additional strength little gain weight Ribs easy stack-cut bandsaw have Preshape leading edge laminated tip using block plane sanding block approximate final sizeleaving some stock finish sanding Prenotch trailing edge stock ribs Cover plan kitchen wrap lay down leading edge bottom spars trailing edge Install bottom center section sheeting lami nated tip Add ribs omitting center next rib now Install top main spar vertical-grain spar webbing dry sand butt ends wing dihedral angle join wing halves dihedral braces Trim center ribs clear dihedral braces cement place Add 3/16 sq multispars top center section sheet Gussett 26 Model Aviation SPliT FSBL TSC ALOW FRAME71 I/H SPRUCE SYNHESEDO STAB HUOR ITYPI SW DOEBLER F SUET WIRE N SOLDERFROSTI/B PET SE SOCE THE TERM I/B PLY DO REFERS TO URRENCRIL DO MABOGABY DODO DEN PLY WINOSIRELD PATTERN Cabane struts plug brasatubing laced fuselage farmers wire Diagonals provide rigidity Wing mount rails brass tubing plugged wood dowel soldered wires Soldered-on washers assure uniform installation struts fuselage sides FULL-SIZE PLANS AVAILABLE . SEE PAGE 164 7* FARMERS 3Il V4 FIR PLY AJRCBAFT PLY CESTER RIBS THIS LINE IRY DIHEDRAL BRACES VNA/C PLY XIS ALUM CAWANE STRUT FEARER B WITH SOFTEPOXY WIREPB ES BRASStUE ORORLER ARMTENS MTTRIFLER VB SAT IIIIIi RIBS ER SAT OS 3/32 WIRE REINFORCEMET 3/32 RATVS Il/ TRAILING ESNF- SIREBRAL BRACES 3/N SO PBAEE _______________ -ORIESBAL ERTAIL$ liPS LAI VRA3/ lIMiER PROM BALSA PR3/RI JI BBALSA _______________________________________________ ][ US MALE lINAC LOCATIONAA SWBRASSii3/B SlIT IIIIIIVB MWAIBE SHEET 2 trailing edge tips Give wing final sanding add wire reinforcement trailing edge center Both wings identical Stabilizer elevator fin rudderare straight forward structures Ribs simply s balsa stock sanded shape after assembly Make own elevator joiner -in music wire Dont forget slide brass bearing tube over wire before bending Fit set good heavy-duty pintype hinges Du-Bro makes some good ones cotter key pins Note notch bottom rudder tail wheel steering arm piece made hardwood Also note triangular balsa key bottom stabilizer alignment purposes will need closely fitted fuselage later base fin notched clear top stabilizer spar Fuselage constructim begins cutting basic sides doublers door skin Cut Formers 3 through 11 plywood Former 1 cut raft plywood No 2 3/ fir plywood Fuselage sides should clamped together sanding final size fitting lower wing cutout finished wing Lay out sides top edges together ensure making right left side locate sq pine engine mount beams using doublers Formers 3 6 alignment Note Formers 6 8 bear fuselage sides others rest doublers Glue engine mounts sides white glue allow dry Adhere doublers contact cement Ensure space Former 6 Adhere tripler wing saddle area Glue 14-in sq gussets rear fuselage area dry clamp fuselage sides together outsideto-outside drill wing dowel holes Join fuselage sides using Formers 3 6 8 tank compartment floor aid align ment Small nails brads helpful maybe left permanently structure dry install tail post block remaining formers Accurately locate holes cabane strut tubes fuselage sides adjacent Formers 6 7 Drill accept -in ID brass tubing Install tubing flush outside fuselage secure formers wire lacing epoxy glue Fabricate landing gear mounting blocks 3/16 aircraft plywood install notches provided fuselage sides Install spruce stringers aft cockpit Add cockpit floor servo mount rails top fuselage Triplers G Cut engine mount plate aircraft plywood screw engine bearers six No 8 -in buttonhead sheet metal screws Temporarily install engine Glue Form ers 1 2 together fit front fuselage screws trimming engine clear ance needed Mount stabilizer rest fit tri angular-shaped stabilizer alignment key bot tom stabilizer Secure tail surfaces fuselage rubberbands Temporarily install radio gear install Ny- rods equivalent elevator rudder 7 throttle controls Support control rods along runs prevent undesired buckling flexing Provide 1-in rudder travel 1in elevator travel direction measured trailing edges Remove engine radio December 1982 27 VBSRT WEBRINA3/BOVB SPRICE SEARS VERTICAL ORAW IUii 3/3UWIT-I FIR COTROT IIIIIII1f~ 3/BSR Hemoval cowiing exposes fuel tank plumbing complete engine installation Engine mounts plate screws beams fuselage Makes changing engines easy proceed construction Sheet fuselage bottom ood door skin cross grain Bend four identical cabane struts -in music wire best done simultaneously aid vise Tape four pieces wire together side-by-side mark bend locations end Length critical long pieces equal Clamp wires vise bend proper angle hand Reverse wires bend other end proper angle Prepare brass tube wing mount rails install ing dowel plugs drilling mounting holes holes must have spacing identical fuselage wing mount tubes ensure zero inci dence top wing Place fuselage flat surface slide cabane wires mounting tubes Slip wing mount rails over wires support temporary blocking Check alignment front side above satisfied solder cabane wires securely brass tubing Bend 3/32-in music wire diagonal braces bind joints soft iron copper wire solder stop washer should soldered bottom cabane wire ensure uniform alignment time cabane strut assemblies installed fuselage top cockpit forward formed 020-in aluminum Obtain length 4-in dryer vent hardware building supply store material easily cut tin snips Make piece fit Former 5 Former 8 enclosing fuel tank compartment Cut out cockpit opening file ofT burrs Continued page 76 SIXTH Annual JANUARY 8&9 1983 SPECIALIZING IN RADIO CONTROL INDOOR DEMONSTRATIONS STATIC DISPLAY COMPETITION IN MANY CATEGORIES INTERNATIONAL MODELER SHOW BOX 127 COSTA MESA CA 92627 PHONE 71 41-548-A700 OR 71 Ab645-8830 UIUIiIIUinzi ISeen bottom bottom wing removed theres anp~ ruuni br raubo inslallanon ui components shock-mounted Support control pushrods regular intervals prevent flexing buckling Landing gear retained mounting blocks sheet metal straps screws Split dowel keys give perfect alignment top wing time installed Secure wings three No 84 rubberbands side RNATI C SEE THE LATEST PRODUCTS AND VISIT WITH MAJOR MANUFACTURERS AND DISTRIBUTORS 28 Model Aviation PEANUT SCALE MODELS MUSTANG MILES M-18ZERO DRUINEPIETENPOL COUGAR PIPER CUB GIPSY MOTHANDRESON GANAGOBIELACEY M-lO Rubber Powered Balsa Tissue Kits $595 SPORT MODELS PRAIRIE BIRD 4 $595 BABY ACE$649 ONE NITE 28$696 ONE NITE 16$595 STRINGLESS WONDER$495 PECK BOG -$l95 RUBBER OR CO-2 POWERED UVIWING NEEDS PROPS TISSUE RUBBER WINDERS BLADE SHARPENERS BEARINGS PROP SHAFTS LUBE WASHERS WHEELS FUSE CO-2 MOTORS BOOKS PLANS MORE ADVENTURE MODELS PONY BLIMP Il-FT RIC AIRSHIP KIT $24900 COMPLETE CATALOG $100 HARD TO FIND ITEMS FOR RUBBER MODELS AND AIRSHIPS plans Customers insist aerobat ics everything Wright Flyer Sure understand flight realismand no can build anything fly scale speedhut Moustique bad have zip Oh death thy sting So Ross Twin 60 span 80 145 oz wing loading 8 sq ft area 7-lb weight floater course big Aristocrat almost floats 38-oz loading Norms Moustique took off tlsree feet zero breeze recovers com plete stall about its own length flies flat unbanked 360s hy crossing controls Now tells would better 35 45 sport engine thinks 30 4-cycle Saito FA-30 would ideal Old Norm will right-on sport enginestoo bad Farman just plan kit kit Id have sit yet another tantalizing fantasy photo Turbulent Septem ber issue really Jodel D-9 probably know writes Dick Konkle Just cant resist poking little fun Since two guys wrote about glaring error thank realizing gosh-aw ful typewriter did know differ ence Dick has info little history D-9 group us bought plans full-size plane around 1958I fell heir plans bought Gemini Twin looked around design exposed two-hanger also reasonably aerobaticthe Jodel choice Structure scale including sprung landing gear scale 30% wing span about 88 weight 13 lb has done well contests usually first second caption two issues back Turbulent extolled flying qualities Jodel same true Turbulent Both mag nificent subjects Rubber FF Gas CL RC size now editor screaming frequency pin Bill Winter 4426 Altura Ct Fairfax VA 22030 US Male/Haught Continued page 28 Attach fuselage No 2 x -in sheet metal screws spaced shown plan Cut engine cowling portion length Provide engine cooling hole 1 x 3 shown Also cutclearance muffler exhaust extension Cut windshield plastic sheet Frame bottom edge scrap aluminum bolt fuselage landing gear fabricated 3/16-in music wire 3/32-in music wire bracing Fix front rear components fuselage straps screws Bind parts together soft wire solder securely assembled fuselage tail wheel gear installed after covering fuselage Remove metal parts give fuse lage final sanding Covering Any popular covering tech niques can used addition flying surfaces prefer cover entire fuselageas feel lighter-weight finish may obtained way keeping commitment lowbudget model original covered polyesterdress liningfrom local sewingshop material comes myriad colors strong cheap heat-shrinkable Proceed follows Continued page 82 76 Model Aviation -a - ct2f THE PEANUT-PEOPLE PRESENT L P 0 BOX 2490-MA LA MESA CALIF 92041 PHONE 714 409-8675 714 442-4036
Edition: Model Aviation - 1982/12
Page Numbers: 22, 23, 24, 25, 26, 27, 28, 76
NO OCR TEXT NO OCR TEXT prop speed reduction drive units multiple engine drive units have developed use larger models However systems offer fuel economy advantages gasoline engines designer conventional model can rely time-honored rules-of-thumb produce model sufficient strength rigidity-flexibility withstand antici pated air loads dur ing projected ma neuvers Because increased size vibration fac tors gasoline engines designer large model faced new problems solve typical result overly strong read heavy struc ture adequate job other side ledger perhaps has built-in structural weakness may revealed inopportune mo ment type ex perimental engineering can lead some costly lessons both time material say nothing potential models cause damage bigger harder fall has implications bob further complicated speed factor could also say faster fly harder impact original concept Quarter Scale Giant Model Movement advocated Bill Northrop build big build light reasoned real airplanes built structurally light strong built crashproof Functional struts wires braces can reduce structural weight considerably terpreted thoughts suggesting models built somewhat like Old-Timer Free Flight Radio Control Some models have designed around criteria Others have become scaled-up versions typical RC models resulting high wing loadings airspeed wanted get fun like everyone else thought starting over purchase gasoline engine heavy-duty radio distressful already consider able inventory standard modeling gear Thus thought designing something would big flyable standard 60 engine existing radio excited also occurred newcomers attracted modeling large machines shouldnt have start small trainer design simple docile big bird could serve trainer letting neophyte fun Remembering own first powered RC model Old-Timer Power house ease taught fundamentals RC clinched final cri teria low cost Much materials should come local lumberyard covering sewing shop finish ordinary clear butyrate dope airnort 24 Model Aviation Plywood rest provides solid base stabilizer Wire rubberband hooks pass through fuselage provide self-aligning effect Tail wheel steerable assist ground handling get feel big model 5-in wheels Gear 3/16in music wire 3/32-in bracing Note rubberbands provide shock-absorbing action landing gear engine cowl separate rest fuselage top incorporates cooling air exit Dummy exhaust looks plywood fuselage front also completely removable Forward fuselage top made 020-in aluminum cut clothes dryer vent pipe Its secured No 2 screws -in length sheet metal didnt interfere radio reception Cockpit area trimmed size outlined split fuel tubing Windshield cut plastic sheet framed scrap aluminum screwed fuselage Radio switch charging jack visible CHUCK WOODb Hank Clark HANECLSREJUNORP HELLOCHUCIf YOUMUST8ESUSY THEPANSAREWITHTHEBUTHEDICSJTGIVE MEVFE YOU I-lORE TOI WAS JUSTWITH YOUR DADS EATNG EM UPLITNOSPIAOTQ5 AWM OOZIN INTO THE NEWS ADMIRE MY NEWNERIPING AAIRPLANE RDTOS OSOSOLD 616SAND BOATON DISPLAY N AMA N-ID 3/8SO L EDGE CITATIONBONANZA-CMFANTASTIC FLOC IN HIS DAYS-IMPLANS HE BET 6ETSYMDICATED OVER DOING CARS NIOF FILM liE SELLIIISSURE GAVEl BOATS TOO FIRED INTl-IT 7XII UPALOT THE NATIONYET7 1 SOS , LAIN5IESP ~~sI/8X3/8I/B WIRE IN ELEVATORSI/8X 3/8 RIBS --AND I/B PLYC I/BPL~O3/STUBULAR STRINGER UINERSSPAR JOINERSWING SUPPORTS 1/4 DOWEL ENDSI/8X 1/4 STRINGERS I/8ID BRASSTUBEFl TUBE 14 WIRED TO BUIJHEADS 020 ALUM COWLING I2TAILWHEELON 1/8 MWIRE 1/8 PLYWOOD SIDES FULL LENGTH AND BOTTOM 10 LGEAR 3/B X 1/2 BALSA T EDGE 3/8SO SPRCE REAR SPAR -5 CD 1-1/8 PLYWOOD FRONT LL 2-1/4 PLYWOOD 1/43/lePLYWOOD3/16 MUSV WIRE LG LEGSBACK MAIN SPARS3/850 SPRLEE SPARSI/8SHEETBALSA RIBS PLYWOOD ENGINEDOUBLED FOR3/32M WIRE 11MOUNT PLATELG NlOuNTSSHOCK STRUTSI/8X 3/4BALSA TIPS 5 WHEELS3/IBSO SPRUCE LESTRINGERSI/2X3/4LEDGELAMINATED 14 3/4 SQ PINE ENGINE REARERS FULL-SIZE PLANS AVAILABLE . SEE PAGE 164 SIBRIIT ERIGRUST ST 3/B BRASS uSE VA PLY ARAIRS GEAR 000 NMT SOS IC ROY 7/R SlEET METAL SCREWS S/WOOWEL 3/R&D BRASS TIMAB CAWABE STRUTS eISA /4 U ITS SERVO MT- BITS US 10 BRASS TURING ATTACHED TO 6 FORMERS NW7B I3/32 66W RIND N SOLDER CAR AINCBAVT PLY -ERUIBE MT PLATE SOLDER CAR MA CASANE STRUT EDIT 3/5 03 VALAP 4SISTX A/ITFUEL TANG AA TRELER U VR PLC DC 5/B DOWEL STAB REST I/BA/C PLY STRINUERSOMMITED-ELEV SCAN FUR OABITT 90 3/B SOC 3/SN A/S 3/BS 3/B RACE WCRYVO I/B S 3/B 3/B SHYI/H SHY GAB SHROUD .---A-E------/TSU ART 3/B - ZBAOE DOUR DOD ALURTA 1/B PLY OS 5WFDCH-s IA./.xA METAL SCREWS ENTER TENT PIPECOO/PIT FL~I/TROW- ST-4-SROSYE OUT DOUBLERD B PLY DS- .ABALIABGCT OOLRLERF. STAB RODETB WREE --PRB VA BALSAL.I/IN MWPINE SAIL BLOCK ZT4 PINEU/\BATTERYER REUSEDTOIPLER 0OUSBETDODGER DOGBLEBE CAR MW I/B PLC DC CROSSUBAIN CAD TABWSSEEL GD TO 50 U/SW ERASE 13-S OW N-A PROP DO GO USE ENGINE 5 WHEELS ALIBH STROPSSCREWS US MALE ALAME TBABER FUR 3 URANNEL RARER BY CLARENCE WASORT SECT DOUBLER 5 PLY DS DOUBLER E Being biplane resulting US Male quite large wingspan 80 giving total wing area around 1800 sq Finished weight ballast bring center gravity 14 lb figures out wing loading roughly 1 lb per sq ft Compare typical 25-lb 1000 sq model over 3 lb per sq ft flat-bottom airfoil coupled typical OldTimer Free Flight moments produces model basically will fly itself fact day having some radio problems model did land itself quarter mile away will recover unassisted unusual attitudes simply releasing controlsgiven reasonable altitude Three-channel control chosen simplify initial flight training accounts generous dihedral US Male Scale model designed spirit 1930 mail planes mentioned non-traditional building materials means reducing construction cost plans call spruce fir wing spars Spruce readily obtainable hobby shop have access table saw clear fir 2 x 4 lumberyard will yield enough spar stock about buck Some lumberyards discount stores handle trim strip already cut usable sizes Common fir plywood used fuselage farmers Fuselage sides doublers cut -in mahogany door skin available sheets 7 ft long 30 36 wide local lumberyard under $10 material light strong works easily glues well contact cement white glues Construction should begin wings will need finished wing fit fuselage sides later Start laminated wing tips may cut out other parts waiting glue dry tip form cut 14 plywood Wax edges form crayon Soak four strips x YA water 30 minutes Pull bend around form time using white glue adhesive rubberbands holding place Tips need dry ovemight before removing laying up next tip Two forms will speed progress essential both right left tips can made same form Ribs cut a sheet third rib could cut -in mahogany door skin desired additional strength little gain weight Ribs easy stack-cut bandsaw have Preshape leading edge laminated tip using block plane sanding block approximate final sizeleaving some stock finish sanding Prenotch trailing edge stock ribs Cover plan kitchen wrap lay down leading edge bottom spars trailing edge Install bottom center section sheeting lami nated tip Add ribs omitting center next rib now Install top main spar vertical-grain spar webbing dry sand butt ends wing dihedral angle join wing halves dihedral braces Trim center ribs clear dihedral braces cement place Add 3/16 sq multispars top center section sheet Gussett 26 Model Aviation SPliT FSBL TSC ALOW FRAME71 I/H SPRUCE SYNHESEDO STAB HUOR ITYPI SW DOEBLER F SUET WIRE N SOLDERFROSTI/B PET SE SOCE THE TERM I/B PLY DO REFERS TO URRENCRIL DO MABOGABY DODO DEN PLY WINOSIRELD PATTERN Cabane struts plug brasatubing laced fuselage farmers wire Diagonals provide rigidity Wing mount rails brass tubing plugged wood dowel soldered wires Soldered-on washers assure uniform installation struts fuselage sides FULL-SIZE PLANS AVAILABLE . SEE PAGE 164 7* FARMERS 3Il V4 FIR PLY AJRCBAFT PLY CESTER RIBS THIS LINE IRY DIHEDRAL BRACES VNA/C PLY XIS ALUM CAWANE STRUT FEARER B WITH SOFTEPOXY WIREPB ES BRASStUE ORORLER ARMTENS MTTRIFLER VB SAT IIIIIi RIBS ER SAT OS 3/32 WIRE REINFORCEMET 3/32 RATVS Il/ TRAILING ESNF- SIREBRAL BRACES 3/N SO PBAEE _______________ -ORIESBAL ERTAIL$ liPS LAI VRA3/ lIMiER PROM BALSA PR3/RI JI BBALSA _______________________________________________ ][ US MALE lINAC LOCATIONAA SWBRASSii3/B SlIT IIIIIIVB MWAIBE SHEET 2 trailing edge tips Give wing final sanding add wire reinforcement trailing edge center Both wings identical Stabilizer elevator fin rudderare straight forward structures Ribs simply s balsa stock sanded shape after assembly Make own elevator joiner -in music wire Dont forget slide brass bearing tube over wire before bending Fit set good heavy-duty pintype hinges Du-Bro makes some good ones cotter key pins Note notch bottom rudder tail wheel steering arm piece made hardwood Also note triangular balsa key bottom stabilizer alignment purposes will need closely fitted fuselage later base fin notched clear top stabilizer spar Fuselage constructim begins cutting basic sides doublers door skin Cut Formers 3 through 11 plywood Former 1 cut raft plywood No 2 3/ fir plywood Fuselage sides should clamped together sanding final size fitting lower wing cutout finished wing Lay out sides top edges together ensure making right left side locate sq pine engine mount beams using doublers Formers 3 6 alignment Note Formers 6 8 bear fuselage sides others rest doublers Glue engine mounts sides white glue allow dry Adhere doublers contact cement Ensure space Former 6 Adhere tripler wing saddle area Glue 14-in sq gussets rear fuselage area dry clamp fuselage sides together outsideto-outside drill wing dowel holes Join fuselage sides using Formers 3 6 8 tank compartment floor aid align ment Small nails brads helpful maybe left permanently structure dry install tail post block remaining formers Accurately locate holes cabane strut tubes fuselage sides adjacent Formers 6 7 Drill accept -in ID brass tubing Install tubing flush outside fuselage secure formers wire lacing epoxy glue Fabricate landing gear mounting blocks 3/16 aircraft plywood install notches provided fuselage sides Install spruce stringers aft cockpit Add cockpit floor servo mount rails top fuselage Triplers G Cut engine mount plate aircraft plywood screw engine bearers six No 8 -in buttonhead sheet metal screws Temporarily install engine Glue Form ers 1 2 together fit front fuselage screws trimming engine clear ance needed Mount stabilizer rest fit tri angular-shaped stabilizer alignment key bot tom stabilizer Secure tail surfaces fuselage rubberbands Temporarily install radio gear install Ny- rods equivalent elevator rudder 7 throttle controls Support control rods along runs prevent undesired buckling flexing Provide 1-in rudder travel 1in elevator travel direction measured trailing edges Remove engine radio December 1982 27 VBSRT WEBRINA3/BOVB SPRICE SEARS VERTICAL ORAW IUii 3/3UWIT-I FIR COTROT IIIIIII1f~ 3/BSR Hemoval cowiing exposes fuel tank plumbing complete engine installation Engine mounts plate screws beams fuselage Makes changing engines easy proceed construction Sheet fuselage bottom ood door skin cross grain Bend four identical cabane struts -in music wire best done simultaneously aid vise Tape four pieces wire together side-by-side mark bend locations end Length critical long pieces equal Clamp wires vise bend proper angle hand Reverse wires bend other end proper angle Prepare brass tube wing mount rails install ing dowel plugs drilling mounting holes holes must have spacing identical fuselage wing mount tubes ensure zero inci dence top wing Place fuselage flat surface slide cabane wires mounting tubes Slip wing mount rails over wires support temporary blocking Check alignment front side above satisfied solder cabane wires securely brass tubing Bend 3/32-in music wire diagonal braces bind joints soft iron copper wire solder stop washer should soldered bottom cabane wire ensure uniform alignment time cabane strut assemblies installed fuselage top cockpit forward formed 020-in aluminum Obtain length 4-in dryer vent hardware building supply store material easily cut tin snips Make piece fit Former 5 Former 8 enclosing fuel tank compartment Cut out cockpit opening file ofT burrs Continued page 76 SIXTH Annual JANUARY 8&9 1983 SPECIALIZING IN RADIO CONTROL INDOOR DEMONSTRATIONS STATIC DISPLAY COMPETITION IN MANY CATEGORIES INTERNATIONAL MODELER SHOW BOX 127 COSTA MESA CA 92627 PHONE 71 41-548-A700 OR 71 Ab645-8830 UIUIiIIUinzi ISeen bottom bottom wing removed theres anp~ ruuni br raubo inslallanon ui components shock-mounted Support control pushrods regular intervals prevent flexing buckling Landing gear retained mounting blocks sheet metal straps screws Split dowel keys give perfect alignment top wing time installed Secure wings three No 84 rubberbands side RNATI C SEE THE LATEST PRODUCTS AND VISIT WITH MAJOR MANUFACTURERS AND DISTRIBUTORS 28 Model Aviation PEANUT SCALE MODELS MUSTANG MILES M-18ZERO DRUINEPIETENPOL COUGAR PIPER CUB GIPSY MOTHANDRESON GANAGOBIELACEY M-lO Rubber Powered Balsa Tissue Kits $595 SPORT MODELS PRAIRIE BIRD 4 $595 BABY ACE$649 ONE NITE 28$696 ONE NITE 16$595 STRINGLESS WONDER$495 PECK BOG -$l95 RUBBER OR CO-2 POWERED UVIWING NEEDS PROPS TISSUE RUBBER WINDERS BLADE SHARPENERS BEARINGS PROP SHAFTS LUBE WASHERS WHEELS FUSE CO-2 MOTORS BOOKS PLANS MORE ADVENTURE MODELS PONY BLIMP Il-FT RIC AIRSHIP KIT $24900 COMPLETE CATALOG $100 HARD TO FIND ITEMS FOR RUBBER MODELS AND AIRSHIPS plans Customers insist aerobat ics everything Wright Flyer Sure understand flight realismand no can build anything fly scale speedhut Moustique bad have zip Oh death thy sting So Ross Twin 60 span 80 145 oz wing loading 8 sq ft area 7-lb weight floater course big Aristocrat almost floats 38-oz loading Norms Moustique took off tlsree feet zero breeze recovers com plete stall about its own length flies flat unbanked 360s hy crossing controls Now tells would better 35 45 sport engine thinks 30 4-cycle Saito FA-30 would ideal Old Norm will right-on sport enginestoo bad Farman just plan kit kit Id have sit yet another tantalizing fantasy photo Turbulent Septem ber issue really Jodel D-9 probably know writes Dick Konkle Just cant resist poking little fun Since two guys wrote about glaring error thank realizing gosh-aw ful typewriter did know differ ence Dick has info little history D-9 group us bought plans full-size plane around 1958I fell heir plans bought Gemini Twin looked around design exposed two-hanger also reasonably aerobaticthe Jodel choice Structure scale including sprung landing gear scale 30% wing span about 88 weight 13 lb has done well contests usually first second caption two issues back Turbulent extolled flying qualities Jodel same true Turbulent Both mag nificent subjects Rubber FF Gas CL RC size now editor screaming frequency pin Bill Winter 4426 Altura Ct Fairfax VA 22030 US Male/Haught Continued page 28 Attach fuselage No 2 x -in sheet metal screws spaced shown plan Cut engine cowling portion length Provide engine cooling hole 1 x 3 shown Also cutclearance muffler exhaust extension Cut windshield plastic sheet Frame bottom edge scrap aluminum bolt fuselage landing gear fabricated 3/16-in music wire 3/32-in music wire bracing Fix front rear components fuselage straps screws Bind parts together soft wire solder securely assembled fuselage tail wheel gear installed after covering fuselage Remove metal parts give fuse lage final sanding Covering Any popular covering tech niques can used addition flying surfaces prefer cover entire fuselageas feel lighter-weight finish may obtained way keeping commitment lowbudget model original covered polyesterdress liningfrom local sewingshop material comes myriad colors strong cheap heat-shrinkable Proceed follows Continued page 82 76 Model Aviation -a - ct2f THE PEANUT-PEOPLE PRESENT L P 0 BOX 2490-MA LA MESA CALIF 92041 PHONE 714 409-8675 714 442-4036
Edition: Model Aviation - 1982/12
Page Numbers: 22, 23, 24, 25, 26, 27, 28, 76
NO OCR TEXT NO OCR TEXT prop speed reduction drive units multiple engine drive units have developed use larger models However systems offer fuel economy advantages gasoline engines designer conventional model can rely time-honored rules-of-thumb produce model sufficient strength rigidity-flexibility withstand antici pated air loads dur ing projected ma neuvers Because increased size vibration fac tors gasoline engines designer large model faced new problems solve typical result overly strong read heavy struc ture adequate job other side ledger perhaps has built-in structural weakness may revealed inopportune mo ment type ex perimental engineering can lead some costly lessons both time material say nothing potential models cause damage bigger harder fall has implications bob further complicated speed factor could also say faster fly harder impact original concept Quarter Scale Giant Model Movement advocated Bill Northrop build big build light reasoned real airplanes built structurally light strong built crashproof Functional struts wires braces can reduce structural weight considerably terpreted thoughts suggesting models built somewhat like Old-Timer Free Flight Radio Control Some models have designed around criteria Others have become scaled-up versions typical RC models resulting high wing loadings airspeed wanted get fun like everyone else thought starting over purchase gasoline engine heavy-duty radio distressful already consider able inventory standard modeling gear Thus thought designing something would big flyable standard 60 engine existing radio excited also occurred newcomers attracted modeling large machines shouldnt have start small trainer design simple docile big bird could serve trainer letting neophyte fun Remembering own first powered RC model Old-Timer Power house ease taught fundamentals RC clinched final cri teria low cost Much materials should come local lumberyard covering sewing shop finish ordinary clear butyrate dope airnort 24 Model Aviation Plywood rest provides solid base stabilizer Wire rubberband hooks pass through fuselage provide self-aligning effect Tail wheel steerable assist ground handling get feel big model 5-in wheels Gear 3/16in music wire 3/32-in bracing Note rubberbands provide shock-absorbing action landing gear engine cowl separate rest fuselage top incorporates cooling air exit Dummy exhaust looks plywood fuselage front also completely removable Forward fuselage top made 020-in aluminum cut clothes dryer vent pipe Its secured No 2 screws -in length sheet metal didnt interfere radio reception Cockpit area trimmed size outlined split fuel tubing Windshield cut plastic sheet framed scrap aluminum screwed fuselage Radio switch charging jack visible CHUCK WOODb Hank Clark HANECLSREJUNORP HELLOCHUCIf YOUMUST8ESUSY THEPANSAREWITHTHEBUTHEDICSJTGIVE MEVFE YOU I-lORE TOI WAS JUSTWITH YOUR DADS EATNG EM UPLITNOSPIAOTQ5 AWM OOZIN INTO THE NEWS ADMIRE MY NEWNERIPING AAIRPLANE RDTOS OSOSOLD 616SAND BOATON DISPLAY N AMA N-ID 3/8SO L EDGE CITATIONBONANZA-CMFANTASTIC FLOC IN HIS DAYS-IMPLANS HE BET 6ETSYMDICATED OVER DOING CARS NIOF FILM liE SELLIIISSURE GAVEl BOATS TOO FIRED INTl-IT 7XII UPALOT THE NATIONYET7 1 SOS , LAIN5IESP ~~sI/8X3/8I/B WIRE IN ELEVATORSI/8X 3/8 RIBS --AND I/B PLYC I/BPL~O3/STUBULAR STRINGER UINERSSPAR JOINERSWING SUPPORTS 1/4 DOWEL ENDSI/8X 1/4 STRINGERS I/8ID BRASSTUBEFl TUBE 14 WIRED TO BUIJHEADS 020 ALUM COWLING I2TAILWHEELON 1/8 MWIRE 1/8 PLYWOOD SIDES FULL LENGTH AND BOTTOM 10 LGEAR 3/B X 1/2 BALSA T EDGE 3/8SO SPRCE REAR SPAR -5 CD 1-1/8 PLYWOOD FRONT LL 2-1/4 PLYWOOD 1/43/lePLYWOOD3/16 MUSV WIRE LG LEGSBACK MAIN SPARS3/850 SPRLEE SPARSI/8SHEETBALSA RIBS PLYWOOD ENGINEDOUBLED FOR3/32M WIRE 11MOUNT PLATELG NlOuNTSSHOCK STRUTSI/8X 3/4BALSA TIPS 5 WHEELS3/IBSO SPRUCE LESTRINGERSI/2X3/4LEDGELAMINATED 14 3/4 SQ PINE ENGINE REARERS FULL-SIZE PLANS AVAILABLE . SEE PAGE 164 SIBRIIT ERIGRUST ST 3/B BRASS uSE VA PLY ARAIRS GEAR 000 NMT SOS IC ROY 7/R SlEET METAL SCREWS S/WOOWEL 3/R&D BRASS TIMAB CAWABE STRUTS eISA /4 U ITS SERVO MT- BITS US 10 BRASS TURING ATTACHED TO 6 FORMERS NW7B I3/32 66W RIND N SOLDER CAR AINCBAVT PLY -ERUIBE MT PLATE SOLDER CAR MA CASANE STRUT EDIT 3/5 03 VALAP 4SISTX A/ITFUEL TANG AA TRELER U VR PLC DC 5/B DOWEL STAB REST I/BA/C PLY STRINUERSOMMITED-ELEV SCAN FUR OABITT 90 3/B SOC 3/SN A/S 3/BS 3/B RACE WCRYVO I/B S 3/B 3/B SHYI/H SHY GAB SHROUD .---A-E------/TSU ART 3/B - ZBAOE DOUR DOD ALURTA 1/B PLY OS 5WFDCH-s IA./.xA METAL SCREWS ENTER TENT PIPECOO/PIT FL~I/TROW- ST-4-SROSYE OUT DOUBLERD B PLY DS- .ABALIABGCT OOLRLERF. STAB RODETB WREE --PRB VA BALSAL.I/IN MWPINE SAIL BLOCK ZT4 PINEU/\BATTERYER REUSEDTOIPLER 0OUSBETDODGER DOGBLEBE CAR MW I/B PLC DC CROSSUBAIN CAD TABWSSEEL GD TO 50 U/SW ERASE 13-S OW N-A PROP DO GO USE ENGINE 5 WHEELS ALIBH STROPSSCREWS US MALE ALAME TBABER FUR 3 URANNEL RARER BY CLARENCE WASORT SECT DOUBLER 5 PLY DS DOUBLER E Being biplane resulting US Male quite large wingspan 80 giving total wing area around 1800 sq Finished weight ballast bring center gravity 14 lb figures out wing loading roughly 1 lb per sq ft Compare typical 25-lb 1000 sq model over 3 lb per sq ft flat-bottom airfoil coupled typical OldTimer Free Flight moments produces model basically will fly itself fact day having some radio problems model did land itself quarter mile away will recover unassisted unusual attitudes simply releasing controlsgiven reasonable altitude Three-channel control chosen simplify initial flight training accounts generous dihedral US Male Scale model designed spirit 1930 mail planes mentioned non-traditional building materials means reducing construction cost plans call spruce fir wing spars Spruce readily obtainable hobby shop have access table saw clear fir 2 x 4 lumberyard will yield enough spar stock about buck Some lumberyards discount stores handle trim strip already cut usable sizes Common fir plywood used fuselage farmers Fuselage sides doublers cut -in mahogany door skin available sheets 7 ft long 30 36 wide local lumberyard under $10 material light strong works easily glues well contact cement white glues Construction should begin wings will need finished wing fit fuselage sides later Start laminated wing tips may cut out other parts waiting glue dry tip form cut 14 plywood Wax edges form crayon Soak four strips x YA water 30 minutes Pull bend around form time using white glue adhesive rubberbands holding place Tips need dry ovemight before removing laying up next tip Two forms will speed progress essential both right left tips can made same form Ribs cut a sheet third rib could cut -in mahogany door skin desired additional strength little gain weight Ribs easy stack-cut bandsaw have Preshape leading edge laminated tip using block plane sanding block approximate final sizeleaving some stock finish sanding Prenotch trailing edge stock ribs Cover plan kitchen wrap lay down leading edge bottom spars trailing edge Install bottom center section sheeting lami nated tip Add ribs omitting center next rib now Install top main spar vertical-grain spar webbing dry sand butt ends wing dihedral angle join wing halves dihedral braces Trim center ribs clear dihedral braces cement place Add 3/16 sq multispars top center section sheet Gussett 26 Model Aviation SPliT FSBL TSC ALOW FRAME71 I/H SPRUCE SYNHESEDO STAB HUOR ITYPI SW DOEBLER F SUET WIRE N SOLDERFROSTI/B PET SE SOCE THE TERM I/B PLY DO REFERS TO URRENCRIL DO MABOGABY DODO DEN PLY WINOSIRELD PATTERN Cabane struts plug brasatubing laced fuselage farmers wire Diagonals provide rigidity Wing mount rails brass tubing plugged wood dowel soldered wires Soldered-on washers assure uniform installation struts fuselage sides FULL-SIZE PLANS AVAILABLE . SEE PAGE 164 7* FARMERS 3Il V4 FIR PLY AJRCBAFT PLY CESTER RIBS THIS LINE IRY DIHEDRAL BRACES VNA/C PLY XIS ALUM CAWANE STRUT FEARER B WITH SOFTEPOXY WIREPB ES BRASStUE ORORLER ARMTENS MTTRIFLER VB SAT IIIIIi RIBS ER SAT OS 3/32 WIRE REINFORCEMET 3/32 RATVS Il/ TRAILING ESNF- SIREBRAL BRACES 3/N SO PBAEE _______________ -ORIESBAL ERTAIL$ liPS LAI VRA3/ lIMiER PROM BALSA PR3/RI JI BBALSA _______________________________________________ ][ US MALE lINAC LOCATIONAA SWBRASSii3/B SlIT IIIIIIVB MWAIBE SHEET 2 trailing edge tips Give wing final sanding add wire reinforcement trailing edge center Both wings identical Stabilizer elevator fin rudderare straight forward structures Ribs simply s balsa stock sanded shape after assembly Make own elevator joiner -in music wire Dont forget slide brass bearing tube over wire before bending Fit set good heavy-duty pintype hinges Du-Bro makes some good ones cotter key pins Note notch bottom rudder tail wheel steering arm piece made hardwood Also note triangular balsa key bottom stabilizer alignment purposes will need closely fitted fuselage later base fin notched clear top stabilizer spar Fuselage constructim begins cutting basic sides doublers door skin Cut Formers 3 through 11 plywood Former 1 cut raft plywood No 2 3/ fir plywood Fuselage sides should clamped together sanding final size fitting lower wing cutout finished wing Lay out sides top edges together ensure making right left side locate sq pine engine mount beams using doublers Formers 3 6 alignment Note Formers 6 8 bear fuselage sides others rest doublers Glue engine mounts sides white glue allow dry Adhere doublers contact cement Ensure space Former 6 Adhere tripler wing saddle area Glue 14-in sq gussets rear fuselage area dry clamp fuselage sides together outsideto-outside drill wing dowel holes Join fuselage sides using Formers 3 6 8 tank compartment floor aid align ment Small nails brads helpful maybe left permanently structure dry install tail post block remaining formers Accurately locate holes cabane strut tubes fuselage sides adjacent Formers 6 7 Drill accept -in ID brass tubing Install tubing flush outside fuselage secure formers wire lacing epoxy glue Fabricate landing gear mounting blocks 3/16 aircraft plywood install notches provided fuselage sides Install spruce stringers aft cockpit Add cockpit floor servo mount rails top fuselage Triplers G Cut engine mount plate aircraft plywood screw engine bearers six No 8 -in buttonhead sheet metal screws Temporarily install engine Glue Form ers 1 2 together fit front fuselage screws trimming engine clear ance needed Mount stabilizer rest fit tri angular-shaped stabilizer alignment key bot tom stabilizer Secure tail surfaces fuselage rubberbands Temporarily install radio gear install Ny- rods equivalent elevator rudder 7 throttle controls Support control rods along runs prevent undesired buckling flexing Provide 1-in rudder travel 1in elevator travel direction measured trailing edges Remove engine radio December 1982 27 VBSRT WEBRINA3/BOVB SPRICE SEARS VERTICAL ORAW IUii 3/3UWIT-I FIR COTROT IIIIIII1f~ 3/BSR Hemoval cowiing exposes fuel tank plumbing complete engine installation Engine mounts plate screws beams fuselage Makes changing engines easy proceed construction Sheet fuselage bottom ood door skin cross grain Bend four identical cabane struts -in music wire best done simultaneously aid vise Tape four pieces wire together side-by-side mark bend locations end Length critical long pieces equal Clamp wires vise bend proper angle hand Reverse wires bend other end proper angle Prepare brass tube wing mount rails install ing dowel plugs drilling mounting holes holes must have spacing identical fuselage wing mount tubes ensure zero inci dence top wing Place fuselage flat surface slide cabane wires mounting tubes Slip wing mount rails over wires support temporary blocking Check alignment front side above satisfied solder cabane wires securely brass tubing Bend 3/32-in music wire diagonal braces bind joints soft iron copper wire solder stop washer should soldered bottom cabane wire ensure uniform alignment time cabane strut assemblies installed fuselage top cockpit forward formed 020-in aluminum Obtain length 4-in dryer vent hardware building supply store material easily cut tin snips Make piece fit Former 5 Former 8 enclosing fuel tank compartment Cut out cockpit opening file ofT burrs Continued page 76 SIXTH Annual JANUARY 8&9 1983 SPECIALIZING IN RADIO CONTROL INDOOR DEMONSTRATIONS STATIC DISPLAY COMPETITION IN MANY CATEGORIES INTERNATIONAL MODELER SHOW BOX 127 COSTA MESA CA 92627 PHONE 71 41-548-A700 OR 71 Ab645-8830 UIUIiIIUinzi ISeen bottom bottom wing removed theres anp~ ruuni br raubo inslallanon ui components shock-mounted Support control pushrods regular intervals prevent flexing buckling Landing gear retained mounting blocks sheet metal straps screws Split dowel keys give perfect alignment top wing time installed Secure wings three No 84 rubberbands side RNATI C SEE THE LATEST PRODUCTS AND VISIT WITH MAJOR MANUFACTURERS AND DISTRIBUTORS 28 Model Aviation PEANUT SCALE MODELS MUSTANG MILES M-18ZERO DRUINEPIETENPOL COUGAR PIPER CUB GIPSY MOTHANDRESON GANAGOBIELACEY M-lO Rubber Powered Balsa Tissue Kits $595 SPORT MODELS PRAIRIE BIRD 4 $595 BABY ACE$649 ONE NITE 28$696 ONE NITE 16$595 STRINGLESS WONDER$495 PECK BOG -$l95 RUBBER OR CO-2 POWERED UVIWING NEEDS PROPS TISSUE RUBBER WINDERS BLADE SHARPENERS BEARINGS PROP SHAFTS LUBE WASHERS WHEELS FUSE CO-2 MOTORS BOOKS PLANS MORE ADVENTURE MODELS PONY BLIMP Il-FT RIC AIRSHIP KIT $24900 COMPLETE CATALOG $100 HARD TO FIND ITEMS FOR RUBBER MODELS AND AIRSHIPS plans Customers insist aerobat ics everything Wright Flyer Sure understand flight realismand no can build anything fly scale speedhut Moustique bad have zip Oh death thy sting So Ross Twin 60 span 80 145 oz wing loading 8 sq ft area 7-lb weight floater course big Aristocrat almost floats 38-oz loading Norms Moustique took off tlsree feet zero breeze recovers com plete stall about its own length flies flat unbanked 360s hy crossing controls Now tells would better 35 45 sport engine thinks 30 4-cycle Saito FA-30 would ideal Old Norm will right-on sport enginestoo bad Farman just plan kit kit Id have sit yet another tantalizing fantasy photo Turbulent Septem ber issue really Jodel D-9 probably know writes Dick Konkle Just cant resist poking little fun Since two guys wrote about glaring error thank realizing gosh-aw ful typewriter did know differ ence Dick has info little history D-9 group us bought plans full-size plane around 1958I fell heir plans bought Gemini Twin looked around design exposed two-hanger also reasonably aerobaticthe Jodel choice Structure scale including sprung landing gear scale 30% wing span about 88 weight 13 lb has done well contests usually first second caption two issues back Turbulent extolled flying qualities Jodel same true Turbulent Both mag nificent subjects Rubber FF Gas CL RC size now editor screaming frequency pin Bill Winter 4426 Altura Ct Fairfax VA 22030 US Male/Haught Continued page 28 Attach fuselage No 2 x -in sheet metal screws spaced shown plan Cut engine cowling portion length Provide engine cooling hole 1 x 3 shown Also cutclearance muffler exhaust extension Cut windshield plastic sheet Frame bottom edge scrap aluminum bolt fuselage landing gear fabricated 3/16-in music wire 3/32-in music wire bracing Fix front rear components fuselage straps screws Bind parts together soft wire solder securely assembled fuselage tail wheel gear installed after covering fuselage Remove metal parts give fuse lage final sanding Covering Any popular covering tech niques can used addition flying surfaces prefer cover entire fuselageas feel lighter-weight finish may obtained way keeping commitment lowbudget model original covered polyesterdress liningfrom local sewingshop material comes myriad colors strong cheap heat-shrinkable Proceed follows Continued page 82 76 Model Aviation -a - ct2f THE PEANUT-PEOPLE PRESENT L P 0 BOX 2490-MA LA MESA CALIF 92041 PHONE 714 409-8675 714 442-4036
Edition: Model Aviation - 1982/12
Page Numbers: 22, 23, 24, 25, 26, 27, 28, 76
NO OCR TEXT NO OCR TEXT prop speed reduction drive units multiple engine drive units have developed use larger models However systems offer fuel economy advantages gasoline engines designer conventional model can rely time-honored rules-of-thumb produce model sufficient strength rigidity-flexibility withstand antici pated air loads dur ing projected ma neuvers Because increased size vibration fac tors gasoline engines designer large model faced new problems solve typical result overly strong read heavy struc ture adequate job other side ledger perhaps has built-in structural weakness may revealed inopportune mo ment type ex perimental engineering can lead some costly lessons both time material say nothing potential models cause damage bigger harder fall has implications bob further complicated speed factor could also say faster fly harder impact original concept Quarter Scale Giant Model Movement advocated Bill Northrop build big build light reasoned real airplanes built structurally light strong built crashproof Functional struts wires braces can reduce structural weight considerably terpreted thoughts suggesting models built somewhat like Old-Timer Free Flight Radio Control Some models have designed around criteria Others have become scaled-up versions typical RC models resulting high wing loadings airspeed wanted get fun like everyone else thought starting over purchase gasoline engine heavy-duty radio distressful already consider able inventory standard modeling gear Thus thought designing something would big flyable standard 60 engine existing radio excited also occurred newcomers attracted modeling large machines shouldnt have start small trainer design simple docile big bird could serve trainer letting neophyte fun Remembering own first powered RC model Old-Timer Power house ease taught fundamentals RC clinched final cri teria low cost Much materials should come local lumberyard covering sewing shop finish ordinary clear butyrate dope airnort 24 Model Aviation Plywood rest provides solid base stabilizer Wire rubberband hooks pass through fuselage provide self-aligning effect Tail wheel steerable assist ground handling get feel big model 5-in wheels Gear 3/16in music wire 3/32-in bracing Note rubberbands provide shock-absorbing action landing gear engine cowl separate rest fuselage top incorporates cooling air exit Dummy exhaust looks plywood fuselage front also completely removable Forward fuselage top made 020-in aluminum cut clothes dryer vent pipe Its secured No 2 screws -in length sheet metal didnt interfere radio reception Cockpit area trimmed size outlined split fuel tubing Windshield cut plastic sheet framed scrap aluminum screwed fuselage Radio switch charging jack visible CHUCK WOODb Hank Clark HANECLSREJUNORP HELLOCHUCIf YOUMUST8ESUSY THEPANSAREWITHTHEBUTHEDICSJTGIVE MEVFE YOU I-lORE TOI WAS JUSTWITH YOUR DADS EATNG EM UPLITNOSPIAOTQ5 AWM OOZIN INTO THE NEWS ADMIRE MY NEWNERIPING AAIRPLANE RDTOS OSOSOLD 616SAND BOATON DISPLAY N AMA N-ID 3/8SO L EDGE CITATIONBONANZA-CMFANTASTIC FLOC IN HIS DAYS-IMPLANS HE BET 6ETSYMDICATED OVER DOING CARS NIOF FILM liE SELLIIISSURE GAVEl BOATS TOO FIRED INTl-IT 7XII UPALOT THE NATIONYET7 1 SOS , LAIN5IESP ~~sI/8X3/8I/B WIRE IN ELEVATORSI/8X 3/8 RIBS --AND I/B PLYC I/BPL~O3/STUBULAR STRINGER UINERSSPAR JOINERSWING SUPPORTS 1/4 DOWEL ENDSI/8X 1/4 STRINGERS I/8ID BRASSTUBEFl TUBE 14 WIRED TO BUIJHEADS 020 ALUM COWLING I2TAILWHEELON 1/8 MWIRE 1/8 PLYWOOD SIDES FULL LENGTH AND BOTTOM 10 LGEAR 3/B X 1/2 BALSA T EDGE 3/8SO SPRCE REAR SPAR -5 CD 1-1/8 PLYWOOD FRONT LL 2-1/4 PLYWOOD 1/43/lePLYWOOD3/16 MUSV WIRE LG LEGSBACK MAIN SPARS3/850 SPRLEE SPARSI/8SHEETBALSA RIBS PLYWOOD ENGINEDOUBLED FOR3/32M WIRE 11MOUNT PLATELG NlOuNTSSHOCK STRUTSI/8X 3/4BALSA TIPS 5 WHEELS3/IBSO SPRUCE LESTRINGERSI/2X3/4LEDGELAMINATED 14 3/4 SQ PINE ENGINE REARERS FULL-SIZE PLANS AVAILABLE . SEE PAGE 164 SIBRIIT ERIGRUST ST 3/B BRASS uSE VA PLY ARAIRS GEAR 000 NMT SOS IC ROY 7/R SlEET METAL SCREWS S/WOOWEL 3/R&D BRASS TIMAB CAWABE STRUTS eISA /4 U ITS SERVO MT- BITS US 10 BRASS TURING ATTACHED TO 6 FORMERS NW7B I3/32 66W RIND N SOLDER CAR AINCBAVT PLY -ERUIBE MT PLATE SOLDER CAR MA CASANE STRUT EDIT 3/5 03 VALAP 4SISTX A/ITFUEL TANG AA TRELER U VR PLC DC 5/B DOWEL STAB REST I/BA/C PLY STRINUERSOMMITED-ELEV SCAN FUR OABITT 90 3/B SOC 3/SN A/S 3/BS 3/B RACE WCRYVO I/B S 3/B 3/B SHYI/H SHY GAB SHROUD .---A-E------/TSU ART 3/B - ZBAOE DOUR DOD ALURTA 1/B PLY OS 5WFDCH-s IA./.xA METAL SCREWS ENTER TENT PIPECOO/PIT FL~I/TROW- ST-4-SROSYE OUT DOUBLERD B PLY DS- .ABALIABGCT OOLRLERF. STAB RODETB WREE --PRB VA BALSAL.I/IN MWPINE SAIL BLOCK ZT4 PINEU/\BATTERYER REUSEDTOIPLER 0OUSBETDODGER DOGBLEBE CAR MW I/B PLC DC CROSSUBAIN CAD TABWSSEEL GD TO 50 U/SW ERASE 13-S OW N-A PROP DO GO USE ENGINE 5 WHEELS ALIBH STROPSSCREWS US MALE ALAME TBABER FUR 3 URANNEL RARER BY CLARENCE WASORT SECT DOUBLER 5 PLY DS DOUBLER E Being biplane resulting US Male quite large wingspan 80 giving total wing area around 1800 sq Finished weight ballast bring center gravity 14 lb figures out wing loading roughly 1 lb per sq ft Compare typical 25-lb 1000 sq model over 3 lb per sq ft flat-bottom airfoil coupled typical OldTimer Free Flight moments produces model basically will fly itself fact day having some radio problems model did land itself quarter mile away will recover unassisted unusual attitudes simply releasing controlsgiven reasonable altitude Three-channel control chosen simplify initial flight training accounts generous dihedral US Male Scale model designed spirit 1930 mail planes mentioned non-traditional building materials means reducing construction cost plans call spruce fir wing spars Spruce readily obtainable hobby shop have access table saw clear fir 2 x 4 lumberyard will yield enough spar stock about buck Some lumberyards discount stores handle trim strip already cut usable sizes Common fir plywood used fuselage farmers Fuselage sides doublers cut -in mahogany door skin available sheets 7 ft long 30 36 wide local lumberyard under $10 material light strong works easily glues well contact cement white glues Construction should begin wings will need finished wing fit fuselage sides later Start laminated wing tips may cut out other parts waiting glue dry tip form cut 14 plywood Wax edges form crayon Soak four strips x YA water 30 minutes Pull bend around form time using white glue adhesive rubberbands holding place Tips need dry ovemight before removing laying up next tip Two forms will speed progress essential both right left tips can made same form Ribs cut a sheet third rib could cut -in mahogany door skin desired additional strength little gain weight Ribs easy stack-cut bandsaw have Preshape leading edge laminated tip using block plane sanding block approximate final sizeleaving some stock finish sanding Prenotch trailing edge stock ribs Cover plan kitchen wrap lay down leading edge bottom spars trailing edge Install bottom center section sheeting lami nated tip Add ribs omitting center next rib now Install top main spar vertical-grain spar webbing dry sand butt ends wing dihedral angle join wing halves dihedral braces Trim center ribs clear dihedral braces cement place Add 3/16 sq multispars top center section sheet Gussett 26 Model Aviation SPliT FSBL TSC ALOW FRAME71 I/H SPRUCE SYNHESEDO STAB HUOR ITYPI SW DOEBLER F SUET WIRE N SOLDERFROSTI/B PET SE SOCE THE TERM I/B PLY DO REFERS TO URRENCRIL DO MABOGABY DODO DEN PLY WINOSIRELD PATTERN Cabane struts plug brasatubing laced fuselage farmers wire Diagonals provide rigidity Wing mount rails brass tubing plugged wood dowel soldered wires Soldered-on washers assure uniform installation struts fuselage sides FULL-SIZE PLANS AVAILABLE . SEE PAGE 164 7* FARMERS 3Il V4 FIR PLY AJRCBAFT PLY CESTER RIBS THIS LINE IRY DIHEDRAL BRACES VNA/C PLY XIS ALUM CAWANE STRUT FEARER B WITH SOFTEPOXY WIREPB ES BRASStUE ORORLER ARMTENS MTTRIFLER VB SAT IIIIIi RIBS ER SAT OS 3/32 WIRE REINFORCEMET 3/32 RATVS Il/ TRAILING ESNF- SIREBRAL BRACES 3/N SO PBAEE _______________ -ORIESBAL ERTAIL$ liPS LAI VRA3/ lIMiER PROM BALSA PR3/RI JI BBALSA _______________________________________________ ][ US MALE lINAC LOCATIONAA SWBRASSii3/B SlIT IIIIIIVB MWAIBE SHEET 2 trailing edge tips Give wing final sanding add wire reinforcement trailing edge center Both wings identical Stabilizer elevator fin rudderare straight forward structures Ribs simply s balsa stock sanded shape after assembly Make own elevator joiner -in music wire Dont forget slide brass bearing tube over wire before bending Fit set good heavy-duty pintype hinges Du-Bro makes some good ones cotter key pins Note notch bottom rudder tail wheel steering arm piece made hardwood Also note triangular balsa key bottom stabilizer alignment purposes will need closely fitted fuselage later base fin notched clear top stabilizer spar Fuselage constructim begins cutting basic sides doublers door skin Cut Formers 3 through 11 plywood Former 1 cut raft plywood No 2 3/ fir plywood Fuselage sides should clamped together sanding final size fitting lower wing cutout finished wing Lay out sides top edges together ensure making right left side locate sq pine engine mount beams using doublers Formers 3 6 alignment Note Formers 6 8 bear fuselage sides others rest doublers Glue engine mounts sides white glue allow dry Adhere doublers contact cement Ensure space Former 6 Adhere tripler wing saddle area Glue 14-in sq gussets rear fuselage area dry clamp fuselage sides together outsideto-outside drill wing dowel holes Join fuselage sides using Formers 3 6 8 tank compartment floor aid align ment Small nails brads helpful maybe left permanently structure dry install tail post block remaining formers Accurately locate holes cabane strut tubes fuselage sides adjacent Formers 6 7 Drill accept -in ID brass tubing Install tubing flush outside fuselage secure formers wire lacing epoxy glue Fabricate landing gear mounting blocks 3/16 aircraft plywood install notches provided fuselage sides Install spruce stringers aft cockpit Add cockpit floor servo mount rails top fuselage Triplers G Cut engine mount plate aircraft plywood screw engine bearers six No 8 -in buttonhead sheet metal screws Temporarily install engine Glue Form ers 1 2 together fit front fuselage screws trimming engine clear ance needed Mount stabilizer rest fit tri angular-shaped stabilizer alignment key bot tom stabilizer Secure tail surfaces fuselage rubberbands Temporarily install radio gear install Ny- rods equivalent elevator rudder 7 throttle controls Support control rods along runs prevent undesired buckling flexing Provide 1-in rudder travel 1in elevator travel direction measured trailing edges Remove engine radio December 1982 27 VBSRT WEBRINA3/BOVB SPRICE SEARS VERTICAL ORAW IUii 3/3UWIT-I FIR COTROT IIIIIII1f~ 3/BSR Hemoval cowiing exposes fuel tank plumbing complete engine installation Engine mounts plate screws beams fuselage Makes changing engines easy proceed construction Sheet fuselage bottom ood door skin cross grain Bend four identical cabane struts -in music wire best done simultaneously aid vise Tape four pieces wire together side-by-side mark bend locations end Length critical long pieces equal Clamp wires vise bend proper angle hand Reverse wires bend other end proper angle Prepare brass tube wing mount rails install ing dowel plugs drilling mounting holes holes must have spacing identical fuselage wing mount tubes ensure zero inci dence top wing Place fuselage flat surface slide cabane wires mounting tubes Slip wing mount rails over wires support temporary blocking Check alignment front side above satisfied solder cabane wires securely brass tubing Bend 3/32-in music wire diagonal braces bind joints soft iron copper wire solder stop washer should soldered bottom cabane wire ensure uniform alignment time cabane strut assemblies installed fuselage top cockpit forward formed 020-in aluminum Obtain length 4-in dryer vent hardware building supply store material easily cut tin snips Make piece fit Former 5 Former 8 enclosing fuel tank compartment Cut out cockpit opening file ofT burrs Continued page 76 SIXTH Annual JANUARY 8&9 1983 SPECIALIZING IN RADIO CONTROL INDOOR DEMONSTRATIONS STATIC DISPLAY COMPETITION IN MANY CATEGORIES INTERNATIONAL MODELER SHOW BOX 127 COSTA MESA CA 92627 PHONE 71 41-548-A700 OR 71 Ab645-8830 UIUIiIIUinzi ISeen bottom bottom wing removed theres anp~ ruuni br raubo inslallanon ui components shock-mounted Support control pushrods regular intervals prevent flexing buckling Landing gear retained mounting blocks sheet metal straps screws Split dowel keys give perfect alignment top wing time installed Secure wings three No 84 rubberbands side RNATI C SEE THE LATEST PRODUCTS AND VISIT WITH MAJOR MANUFACTURERS AND DISTRIBUTORS 28 Model Aviation PEANUT SCALE MODELS MUSTANG MILES M-18ZERO DRUINEPIETENPOL COUGAR PIPER CUB GIPSY MOTHANDRESON GANAGOBIELACEY M-lO Rubber Powered Balsa Tissue Kits $595 SPORT MODELS PRAIRIE BIRD 4 $595 BABY ACE$649 ONE NITE 28$696 ONE NITE 16$595 STRINGLESS WONDER$495 PECK BOG -$l95 RUBBER OR CO-2 POWERED UVIWING NEEDS PROPS TISSUE RUBBER WINDERS BLADE SHARPENERS BEARINGS PROP SHAFTS LUBE WASHERS WHEELS FUSE CO-2 MOTORS BOOKS PLANS MORE ADVENTURE MODELS PONY BLIMP Il-FT RIC AIRSHIP KIT $24900 COMPLETE CATALOG $100 HARD TO FIND ITEMS FOR RUBBER MODELS AND AIRSHIPS plans Customers insist aerobat ics everything Wright Flyer Sure understand flight realismand no can build anything fly scale speedhut Moustique bad have zip Oh death thy sting So Ross Twin 60 span 80 145 oz wing loading 8 sq ft area 7-lb weight floater course big Aristocrat almost floats 38-oz loading Norms Moustique took off tlsree feet zero breeze recovers com plete stall about its own length flies flat unbanked 360s hy crossing controls Now tells would better 35 45 sport engine thinks 30 4-cycle Saito FA-30 would ideal Old Norm will right-on sport enginestoo bad Farman just plan kit kit Id have sit yet another tantalizing fantasy photo Turbulent Septem ber issue really Jodel D-9 probably know writes Dick Konkle Just cant resist poking little fun Since two guys wrote about glaring error thank realizing gosh-aw ful typewriter did know differ ence Dick has info little history D-9 group us bought plans full-size plane around 1958I fell heir plans bought Gemini Twin looked around design exposed two-hanger also reasonably aerobaticthe Jodel choice Structure scale including sprung landing gear scale 30% wing span about 88 weight 13 lb has done well contests usually first second caption two issues back Turbulent extolled flying qualities Jodel same true Turbulent Both mag nificent subjects Rubber FF Gas CL RC size now editor screaming frequency pin Bill Winter 4426 Altura Ct Fairfax VA 22030 US Male/Haught Continued page 28 Attach fuselage No 2 x -in sheet metal screws spaced shown plan Cut engine cowling portion length Provide engine cooling hole 1 x 3 shown Also cutclearance muffler exhaust extension Cut windshield plastic sheet Frame bottom edge scrap aluminum bolt fuselage landing gear fabricated 3/16-in music wire 3/32-in music wire bracing Fix front rear components fuselage straps screws Bind parts together soft wire solder securely assembled fuselage tail wheel gear installed after covering fuselage Remove metal parts give fuse lage final sanding Covering Any popular covering tech niques can used addition flying surfaces prefer cover entire fuselageas feel lighter-weight finish may obtained way keeping commitment lowbudget model original covered polyesterdress liningfrom local sewingshop material comes myriad colors strong cheap heat-shrinkable Proceed follows Continued page 82 76 Model Aviation -a - ct2f THE PEANUT-PEOPLE PRESENT L P 0 BOX 2490-MA LA MESA CALIF 92041 PHONE 714 409-8675 714 442-4036
Edition: Model Aviation - 1982/12
Page Numbers: 22, 23, 24, 25, 26, 27, 28, 76
NO OCR TEXT NO OCR TEXT prop speed reduction drive units multiple engine drive units have developed use larger models However systems offer fuel economy advantages gasoline engines designer conventional model can rely time-honored rules-of-thumb produce model sufficient strength rigidity-flexibility withstand antici pated air loads dur ing projected ma neuvers Because increased size vibration fac tors gasoline engines designer large model faced new problems solve typical result overly strong read heavy struc ture adequate job other side ledger perhaps has built-in structural weakness may revealed inopportune mo ment type ex perimental engineering can lead some costly lessons both time material say nothing potential models cause damage bigger harder fall has implications bob further complicated speed factor could also say faster fly harder impact original concept Quarter Scale Giant Model Movement advocated Bill Northrop build big build light reasoned real airplanes built structurally light strong built crashproof Functional struts wires braces can reduce structural weight considerably terpreted thoughts suggesting models built somewhat like Old-Timer Free Flight Radio Control Some models have designed around criteria Others have become scaled-up versions typical RC models resulting high wing loadings airspeed wanted get fun like everyone else thought starting over purchase gasoline engine heavy-duty radio distressful already consider able inventory standard modeling gear Thus thought designing something would big flyable standard 60 engine existing radio excited also occurred newcomers attracted modeling large machines shouldnt have start small trainer design simple docile big bird could serve trainer letting neophyte fun Remembering own first powered RC model Old-Timer Power house ease taught fundamentals RC clinched final cri teria low cost Much materials should come local lumberyard covering sewing shop finish ordinary clear butyrate dope airnort 24 Model Aviation Plywood rest provides solid base stabilizer Wire rubberband hooks pass through fuselage provide self-aligning effect Tail wheel steerable assist ground handling get feel big model 5-in wheels Gear 3/16in music wire 3/32-in bracing Note rubberbands provide shock-absorbing action landing gear engine cowl separate rest fuselage top incorporates cooling air exit Dummy exhaust looks plywood fuselage front also completely removable Forward fuselage top made 020-in aluminum cut clothes dryer vent pipe Its secured No 2 screws -in length sheet metal didnt interfere radio reception Cockpit area trimmed size outlined split fuel tubing Windshield cut plastic sheet framed scrap aluminum screwed fuselage Radio switch charging jack visible CHUCK WOODb Hank Clark HANECLSREJUNORP HELLOCHUCIf YOUMUST8ESUSY THEPANSAREWITHTHEBUTHEDICSJTGIVE MEVFE YOU I-lORE TOI WAS JUSTWITH YOUR DADS EATNG EM UPLITNOSPIAOTQ5 AWM OOZIN INTO THE NEWS ADMIRE MY NEWNERIPING AAIRPLANE RDTOS OSOSOLD 616SAND BOATON DISPLAY N AMA N-ID 3/8SO L EDGE CITATIONBONANZA-CMFANTASTIC FLOC IN HIS DAYS-IMPLANS HE BET 6ETSYMDICATED OVER DOING CARS NIOF FILM liE SELLIIISSURE GAVEl BOATS TOO FIRED INTl-IT 7XII UPALOT THE NATIONYET7 1 SOS , LAIN5IESP ~~sI/8X3/8I/B WIRE IN ELEVATORSI/8X 3/8 RIBS --AND I/B PLYC I/BPL~O3/STUBULAR STRINGER UINERSSPAR JOINERSWING SUPPORTS 1/4 DOWEL ENDSI/8X 1/4 STRINGERS I/8ID BRASSTUBEFl TUBE 14 WIRED TO BUIJHEADS 020 ALUM COWLING I2TAILWHEELON 1/8 MWIRE 1/8 PLYWOOD SIDES FULL LENGTH AND BOTTOM 10 LGEAR 3/B X 1/2 BALSA T EDGE 3/8SO SPRCE REAR SPAR -5 CD 1-1/8 PLYWOOD FRONT LL 2-1/4 PLYWOOD 1/43/lePLYWOOD3/16 MUSV WIRE LG LEGSBACK MAIN SPARS3/850 SPRLEE SPARSI/8SHEETBALSA RIBS PLYWOOD ENGINEDOUBLED FOR3/32M WIRE 11MOUNT PLATELG NlOuNTSSHOCK STRUTSI/8X 3/4BALSA TIPS 5 WHEELS3/IBSO SPRUCE LESTRINGERSI/2X3/4LEDGELAMINATED 14 3/4 SQ PINE ENGINE REARERS FULL-SIZE PLANS AVAILABLE . SEE PAGE 164 SIBRIIT ERIGRUST ST 3/B BRASS uSE VA PLY ARAIRS GEAR 000 NMT SOS IC ROY 7/R SlEET METAL SCREWS S/WOOWEL 3/R&D BRASS TIMAB CAWABE STRUTS eISA /4 U ITS SERVO MT- BITS US 10 BRASS TURING ATTACHED TO 6 FORMERS NW7B I3/32 66W RIND N SOLDER CAR AINCBAVT PLY -ERUIBE MT PLATE SOLDER CAR MA CASANE STRUT EDIT 3/5 03 VALAP 4SISTX A/ITFUEL TANG AA TRELER U VR PLC DC 5/B DOWEL STAB REST I/BA/C PLY STRINUERSOMMITED-ELEV SCAN FUR OABITT 90 3/B SOC 3/SN A/S 3/BS 3/B RACE WCRYVO I/B S 3/B 3/B SHYI/H SHY GAB SHROUD .---A-E------/TSU ART 3/B - ZBAOE DOUR DOD ALURTA 1/B PLY OS 5WFDCH-s IA./.xA METAL SCREWS ENTER TENT PIPECOO/PIT FL~I/TROW- ST-4-SROSYE OUT DOUBLERD B PLY DS- .ABALIABGCT OOLRLERF. STAB RODETB WREE --PRB VA BALSAL.I/IN MWPINE SAIL BLOCK ZT4 PINEU/\BATTERYER REUSEDTOIPLER 0OUSBETDODGER DOGBLEBE CAR MW I/B PLC DC CROSSUBAIN CAD TABWSSEEL GD TO 50 U/SW ERASE 13-S OW N-A PROP DO GO USE ENGINE 5 WHEELS ALIBH STROPSSCREWS US MALE ALAME TBABER FUR 3 URANNEL RARER BY CLARENCE WASORT SECT DOUBLER 5 PLY DS DOUBLER E Being biplane resulting US Male quite large wingspan 80 giving total wing area around 1800 sq Finished weight ballast bring center gravity 14 lb figures out wing loading roughly 1 lb per sq ft Compare typical 25-lb 1000 sq model over 3 lb per sq ft flat-bottom airfoil coupled typical OldTimer Free Flight moments produces model basically will fly itself fact day having some radio problems model did land itself quarter mile away will recover unassisted unusual attitudes simply releasing controlsgiven reasonable altitude Three-channel control chosen simplify initial flight training accounts generous dihedral US Male Scale model designed spirit 1930 mail planes mentioned non-traditional building materials means reducing construction cost plans call spruce fir wing spars Spruce readily obtainable hobby shop have access table saw clear fir 2 x 4 lumberyard will yield enough spar stock about buck Some lumberyards discount stores handle trim strip already cut usable sizes Common fir plywood used fuselage farmers Fuselage sides doublers cut -in mahogany door skin available sheets 7 ft long 30 36 wide local lumberyard under $10 material light strong works easily glues well contact cement white glues Construction should begin wings will need finished wing fit fuselage sides later Start laminated wing tips may cut out other parts waiting glue dry tip form cut 14 plywood Wax edges form crayon Soak four strips x YA water 30 minutes Pull bend around form time using white glue adhesive rubberbands holding place Tips need dry ovemight before removing laying up next tip Two forms will speed progress essential both right left tips can made same form Ribs cut a sheet third rib could cut -in mahogany door skin desired additional strength little gain weight Ribs easy stack-cut bandsaw have Preshape leading edge laminated tip using block plane sanding block approximate final sizeleaving some stock finish sanding Prenotch trailing edge stock ribs Cover plan kitchen wrap lay down leading edge bottom spars trailing edge Install bottom center section sheeting lami nated tip Add ribs omitting center next rib now Install top main spar vertical-grain spar webbing dry sand butt ends wing dihedral angle join wing halves dihedral braces Trim center ribs clear dihedral braces cement place Add 3/16 sq multispars top center section sheet Gussett 26 Model Aviation SPliT FSBL TSC ALOW FRAME71 I/H SPRUCE SYNHESEDO STAB HUOR ITYPI SW DOEBLER F SUET WIRE N SOLDERFROSTI/B PET SE SOCE THE TERM I/B PLY DO REFERS TO URRENCRIL DO MABOGABY DODO DEN PLY WINOSIRELD PATTERN Cabane struts plug brasatubing laced fuselage farmers wire Diagonals provide rigidity Wing mount rails brass tubing plugged wood dowel soldered wires Soldered-on washers assure uniform installation struts fuselage sides FULL-SIZE PLANS AVAILABLE . SEE PAGE 164 7* FARMERS 3Il V4 FIR PLY AJRCBAFT PLY CESTER RIBS THIS LINE IRY DIHEDRAL BRACES VNA/C PLY XIS ALUM CAWANE STRUT FEARER B WITH SOFTEPOXY WIREPB ES BRASStUE ORORLER ARMTENS MTTRIFLER VB SAT IIIIIi RIBS ER SAT OS 3/32 WIRE REINFORCEMET 3/32 RATVS Il/ TRAILING ESNF- SIREBRAL BRACES 3/N SO PBAEE _______________ -ORIESBAL ERTAIL$ liPS LAI VRA3/ lIMiER PROM BALSA PR3/RI JI BBALSA _______________________________________________ ][ US MALE lINAC LOCATIONAA SWBRASSii3/B SlIT IIIIIIVB MWAIBE SHEET 2 trailing edge tips Give wing final sanding add wire reinforcement trailing edge center Both wings identical Stabilizer elevator fin rudderare straight forward structures Ribs simply s balsa stock sanded shape after assembly Make own elevator joiner -in music wire Dont forget slide brass bearing tube over wire before bending Fit set good heavy-duty pintype hinges Du-Bro makes some good ones cotter key pins Note notch bottom rudder tail wheel steering arm piece made hardwood Also note triangular balsa key bottom stabilizer alignment purposes will need closely fitted fuselage later base fin notched clear top stabilizer spar Fuselage constructim begins cutting basic sides doublers door skin Cut Formers 3 through 11 plywood Former 1 cut raft plywood No 2 3/ fir plywood Fuselage sides should clamped together sanding final size fitting lower wing cutout finished wing Lay out sides top edges together ensure making right left side locate sq pine engine mount beams using doublers Formers 3 6 alignment Note Formers 6 8 bear fuselage sides others rest doublers Glue engine mounts sides white glue allow dry Adhere doublers contact cement Ensure space Former 6 Adhere tripler wing saddle area Glue 14-in sq gussets rear fuselage area dry clamp fuselage sides together outsideto-outside drill wing dowel holes Join fuselage sides using Formers 3 6 8 tank compartment floor aid align ment Small nails brads helpful maybe left permanently structure dry install tail post block remaining formers Accurately locate holes cabane strut tubes fuselage sides adjacent Formers 6 7 Drill accept -in ID brass tubing Install tubing flush outside fuselage secure formers wire lacing epoxy glue Fabricate landing gear mounting blocks 3/16 aircraft plywood install notches provided fuselage sides Install spruce stringers aft cockpit Add cockpit floor servo mount rails top fuselage Triplers G Cut engine mount plate aircraft plywood screw engine bearers six No 8 -in buttonhead sheet metal screws Temporarily install engine Glue Form ers 1 2 together fit front fuselage screws trimming engine clear ance needed Mount stabilizer rest fit tri angular-shaped stabilizer alignment key bot tom stabilizer Secure tail surfaces fuselage rubberbands Temporarily install radio gear install Ny- rods equivalent elevator rudder 7 throttle controls Support control rods along runs prevent undesired buckling flexing Provide 1-in rudder travel 1in elevator travel direction measured trailing edges Remove engine radio December 1982 27 VBSRT WEBRINA3/BOVB SPRICE SEARS VERTICAL ORAW IUii 3/3UWIT-I FIR COTROT IIIIIII1f~ 3/BSR Hemoval cowiing exposes fuel tank plumbing complete engine installation Engine mounts plate screws beams fuselage Makes changing engines easy proceed construction Sheet fuselage bottom ood door skin cross grain Bend four identical cabane struts -in music wire best done simultaneously aid vise Tape four pieces wire together side-by-side mark bend locations end Length critical long pieces equal Clamp wires vise bend proper angle hand Reverse wires bend other end proper angle Prepare brass tube wing mount rails install ing dowel plugs drilling mounting holes holes must have spacing identical fuselage wing mount tubes ensure zero inci dence top wing Place fuselage flat surface slide cabane wires mounting tubes Slip wing mount rails over wires support temporary blocking Check alignment front side above satisfied solder cabane wires securely brass tubing Bend 3/32-in music wire diagonal braces bind joints soft iron copper wire solder stop washer should soldered bottom cabane wire ensure uniform alignment time cabane strut assemblies installed fuselage top cockpit forward formed 020-in aluminum Obtain length 4-in dryer vent hardware building supply store material easily cut tin snips Make piece fit Former 5 Former 8 enclosing fuel tank compartment Cut out cockpit opening file ofT burrs Continued page 76 SIXTH Annual JANUARY 8&9 1983 SPECIALIZING IN RADIO CONTROL INDOOR DEMONSTRATIONS STATIC DISPLAY COMPETITION IN MANY CATEGORIES INTERNATIONAL MODELER SHOW BOX 127 COSTA MESA CA 92627 PHONE 71 41-548-A700 OR 71 Ab645-8830 UIUIiIIUinzi ISeen bottom bottom wing removed theres anp~ ruuni br raubo inslallanon ui components shock-mounted Support control pushrods regular intervals prevent flexing buckling Landing gear retained mounting blocks sheet metal straps screws Split dowel keys give perfect alignment top wing time installed Secure wings three No 84 rubberbands side RNATI C SEE THE LATEST PRODUCTS AND VISIT WITH MAJOR MANUFACTURERS AND DISTRIBUTORS 28 Model Aviation PEANUT SCALE MODELS MUSTANG MILES M-18ZERO DRUINEPIETENPOL COUGAR PIPER CUB GIPSY MOTHANDRESON GANAGOBIELACEY M-lO Rubber Powered Balsa Tissue Kits $595 SPORT MODELS PRAIRIE BIRD 4 $595 BABY ACE$649 ONE NITE 28$696 ONE NITE 16$595 STRINGLESS WONDER$495 PECK BOG -$l95 RUBBER OR CO-2 POWERED UVIWING NEEDS PROPS TISSUE RUBBER WINDERS BLADE SHARPENERS BEARINGS PROP SHAFTS LUBE WASHERS WHEELS FUSE CO-2 MOTORS BOOKS PLANS MORE ADVENTURE MODELS PONY BLIMP Il-FT RIC AIRSHIP KIT $24900 COMPLETE CATALOG $100 HARD TO FIND ITEMS FOR RUBBER MODELS AND AIRSHIPS plans Customers insist aerobat ics everything Wright Flyer Sure understand flight realismand no can build anything fly scale speedhut Moustique bad have zip Oh death thy sting So Ross Twin 60 span 80 145 oz wing loading 8 sq ft area 7-lb weight floater course big Aristocrat almost floats 38-oz loading Norms Moustique took off tlsree feet zero breeze recovers com plete stall about its own length flies flat unbanked 360s hy crossing controls Now tells would better 35 45 sport engine thinks 30 4-cycle Saito FA-30 would ideal Old Norm will right-on sport enginestoo bad Farman just plan kit kit Id have sit yet another tantalizing fantasy photo Turbulent Septem ber issue really Jodel D-9 probably know writes Dick Konkle Just cant resist poking little fun Since two guys wrote about glaring error thank realizing gosh-aw ful typewriter did know differ ence Dick has info little history D-9 group us bought plans full-size plane around 1958I fell heir plans bought Gemini Twin looked around design exposed two-hanger also reasonably aerobaticthe Jodel choice Structure scale including sprung landing gear scale 30% wing span about 88 weight 13 lb has done well contests usually first second caption two issues back Turbulent extolled flying qualities Jodel same true Turbulent Both mag nificent subjects Rubber FF Gas CL RC size now editor screaming frequency pin Bill Winter 4426 Altura Ct Fairfax VA 22030 US Male/Haught Continued page 28 Attach fuselage No 2 x -in sheet metal screws spaced shown plan Cut engine cowling portion length Provide engine cooling hole 1 x 3 shown Also cutclearance muffler exhaust extension Cut windshield plastic sheet Frame bottom edge scrap aluminum bolt fuselage landing gear fabricated 3/16-in music wire 3/32-in music wire bracing Fix front rear components fuselage straps screws Bind parts together soft wire solder securely assembled fuselage tail wheel gear installed after covering fuselage Remove metal parts give fuse lage final sanding Covering Any popular covering tech niques can used addition flying surfaces prefer cover entire fuselageas feel lighter-weight finish may obtained way keeping commitment lowbudget model original covered polyesterdress liningfrom local sewingshop material comes myriad colors strong cheap heat-shrinkable Proceed follows Continued page 82 76 Model Aviation -a - ct2f THE PEANUT-PEOPLE PRESENT L P 0 BOX 2490-MA LA MESA CALIF 92041 PHONE 714 409-8675 714 442-4036
Edition: Model Aviation - 1982/12
Page Numbers: 22, 23, 24, 25, 26, 27, 28, 76
NO OCR TEXT NO OCR TEXT prop speed reduction drive units multiple engine drive units have developed use larger models However systems offer fuel economy advantages gasoline engines designer conventional model can rely time-honored rules-of-thumb produce model sufficient strength rigidity-flexibility withstand antici pated air loads dur ing projected ma neuvers Because increased size vibration fac tors gasoline engines designer large model faced new problems solve typical result overly strong read heavy struc ture adequate job other side ledger perhaps has built-in structural weakness may revealed inopportune mo ment type ex perimental engineering can lead some costly lessons both time material say nothing potential models cause damage bigger harder fall has implications bob further complicated speed factor could also say faster fly harder impact original concept Quarter Scale Giant Model Movement advocated Bill Northrop build big build light reasoned real airplanes built structurally light strong built crashproof Functional struts wires braces can reduce structural weight considerably terpreted thoughts suggesting models built somewhat like Old-Timer Free Flight Radio Control Some models have designed around criteria Others have become scaled-up versions typical RC models resulting high wing loadings airspeed wanted get fun like everyone else thought starting over purchase gasoline engine heavy-duty radio distressful already consider able inventory standard modeling gear Thus thought designing something would big flyable standard 60 engine existing radio excited also occurred newcomers attracted modeling large machines shouldnt have start small trainer design simple docile big bird could serve trainer letting neophyte fun Remembering own first powered RC model Old-Timer Power house ease taught fundamentals RC clinched final cri teria low cost Much materials should come local lumberyard covering sewing shop finish ordinary clear butyrate dope airnort 24 Model Aviation Plywood rest provides solid base stabilizer Wire rubberband hooks pass through fuselage provide self-aligning effect Tail wheel steerable assist ground handling get feel big model 5-in wheels Gear 3/16in music wire 3/32-in bracing Note rubberbands provide shock-absorbing action landing gear engine cowl separate rest fuselage top incorporates cooling air exit Dummy exhaust looks plywood fuselage front also completely removable Forward fuselage top made 020-in aluminum cut clothes dryer vent pipe Its secured No 2 screws -in length sheet metal didnt interfere radio reception Cockpit area trimmed size outlined split fuel tubing Windshield cut plastic sheet framed scrap aluminum screwed fuselage Radio switch charging jack visible CHUCK WOODb Hank Clark HANECLSREJUNORP HELLOCHUCIf YOUMUST8ESUSY THEPANSAREWITHTHEBUTHEDICSJTGIVE MEVFE YOU I-lORE TOI WAS JUSTWITH YOUR DADS EATNG EM UPLITNOSPIAOTQ5 AWM OOZIN INTO THE NEWS ADMIRE MY NEWNERIPING AAIRPLANE RDTOS OSOSOLD 616SAND BOATON DISPLAY N AMA N-ID 3/8SO L EDGE CITATIONBONANZA-CMFANTASTIC FLOC IN HIS DAYS-IMPLANS HE BET 6ETSYMDICATED OVER DOING CARS NIOF FILM liE SELLIIISSURE GAVEl BOATS TOO FIRED INTl-IT 7XII UPALOT THE NATIONYET7 1 SOS , LAIN5IESP ~~sI/8X3/8I/B WIRE IN ELEVATORSI/8X 3/8 RIBS --AND I/B PLYC I/BPL~O3/STUBULAR STRINGER UINERSSPAR JOINERSWING SUPPORTS 1/4 DOWEL ENDSI/8X 1/4 STRINGERS I/8ID BRASSTUBEFl TUBE 14 WIRED TO BUIJHEADS 020 ALUM COWLING I2TAILWHEELON 1/8 MWIRE 1/8 PLYWOOD SIDES FULL LENGTH AND BOTTOM 10 LGEAR 3/B X 1/2 BALSA T EDGE 3/8SO SPRCE REAR SPAR -5 CD 1-1/8 PLYWOOD FRONT LL 2-1/4 PLYWOOD 1/43/lePLYWOOD3/16 MUSV WIRE LG LEGSBACK MAIN SPARS3/850 SPRLEE SPARSI/8SHEETBALSA RIBS PLYWOOD ENGINEDOUBLED FOR3/32M WIRE 11MOUNT PLATELG NlOuNTSSHOCK STRUTSI/8X 3/4BALSA TIPS 5 WHEELS3/IBSO SPRUCE LESTRINGERSI/2X3/4LEDGELAMINATED 14 3/4 SQ PINE ENGINE REARERS FULL-SIZE PLANS AVAILABLE . SEE PAGE 164 SIBRIIT ERIGRUST ST 3/B BRASS uSE VA PLY ARAIRS GEAR 000 NMT SOS IC ROY 7/R SlEET METAL SCREWS S/WOOWEL 3/R&D BRASS TIMAB CAWABE STRUTS eISA /4 U ITS SERVO MT- BITS US 10 BRASS TURING ATTACHED TO 6 FORMERS NW7B I3/32 66W RIND N SOLDER CAR AINCBAVT PLY -ERUIBE MT PLATE SOLDER CAR MA CASANE STRUT EDIT 3/5 03 VALAP 4SISTX A/ITFUEL TANG AA TRELER U VR PLC DC 5/B DOWEL STAB REST I/BA/C PLY STRINUERSOMMITED-ELEV SCAN FUR OABITT 90 3/B SOC 3/SN A/S 3/BS 3/B RACE WCRYVO I/B S 3/B 3/B SHYI/H SHY GAB SHROUD .---A-E------/TSU ART 3/B - ZBAOE DOUR DOD ALURTA 1/B PLY OS 5WFDCH-s IA./.xA METAL SCREWS ENTER TENT PIPECOO/PIT FL~I/TROW- ST-4-SROSYE OUT DOUBLERD B PLY DS- .ABALIABGCT OOLRLERF. STAB RODETB WREE --PRB VA BALSAL.I/IN MWPINE SAIL BLOCK ZT4 PINEU/\BATTERYER REUSEDTOIPLER 0OUSBETDODGER DOGBLEBE CAR MW I/B PLC DC CROSSUBAIN CAD TABWSSEEL GD TO 50 U/SW ERASE 13-S OW N-A PROP DO GO USE ENGINE 5 WHEELS ALIBH STROPSSCREWS US MALE ALAME TBABER FUR 3 URANNEL RARER BY CLARENCE WASORT SECT DOUBLER 5 PLY DS DOUBLER E Being biplane resulting US Male quite large wingspan 80 giving total wing area around 1800 sq Finished weight ballast bring center gravity 14 lb figures out wing loading roughly 1 lb per sq ft Compare typical 25-lb 1000 sq model over 3 lb per sq ft flat-bottom airfoil coupled typical OldTimer Free Flight moments produces model basically will fly itself fact day having some radio problems model did land itself quarter mile away will recover unassisted unusual attitudes simply releasing controlsgiven reasonable altitude Three-channel control chosen simplify initial flight training accounts generous dihedral US Male Scale model designed spirit 1930 mail planes mentioned non-traditional building materials means reducing construction cost plans call spruce fir wing spars Spruce readily obtainable hobby shop have access table saw clear fir 2 x 4 lumberyard will yield enough spar stock about buck Some lumberyards discount stores handle trim strip already cut usable sizes Common fir plywood used fuselage farmers Fuselage sides doublers cut -in mahogany door skin available sheets 7 ft long 30 36 wide local lumberyard under $10 material light strong works easily glues well contact cement white glues Construction should begin wings will need finished wing fit fuselage sides later Start laminated wing tips may cut out other parts waiting glue dry tip form cut 14 plywood Wax edges form crayon Soak four strips x YA water 30 minutes Pull bend around form time using white glue adhesive rubberbands holding place Tips need dry ovemight before removing laying up next tip Two forms will speed progress essential both right left tips can made same form Ribs cut a sheet third rib could cut -in mahogany door skin desired additional strength little gain weight Ribs easy stack-cut bandsaw have Preshape leading edge laminated tip using block plane sanding block approximate final sizeleaving some stock finish sanding Prenotch trailing edge stock ribs Cover plan kitchen wrap lay down leading edge bottom spars trailing edge Install bottom center section sheeting lami nated tip Add ribs omitting center next rib now Install top main spar vertical-grain spar webbing dry sand butt ends wing dihedral angle join wing halves dihedral braces Trim center ribs clear dihedral braces cement place Add 3/16 sq multispars top center section sheet Gussett 26 Model Aviation SPliT FSBL TSC ALOW FRAME71 I/H SPRUCE SYNHESEDO STAB HUOR ITYPI SW DOEBLER F SUET WIRE N SOLDERFROSTI/B PET SE SOCE THE TERM I/B PLY DO REFERS TO URRENCRIL DO MABOGABY DODO DEN PLY WINOSIRELD PATTERN Cabane struts plug brasatubing laced fuselage farmers wire Diagonals provide rigidity Wing mount rails brass tubing plugged wood dowel soldered wires Soldered-on washers assure uniform installation struts fuselage sides FULL-SIZE PLANS AVAILABLE . SEE PAGE 164 7* FARMERS 3Il V4 FIR PLY AJRCBAFT PLY CESTER RIBS THIS LINE IRY DIHEDRAL BRACES VNA/C PLY XIS ALUM CAWANE STRUT FEARER B WITH SOFTEPOXY WIREPB ES BRASStUE ORORLER ARMTENS MTTRIFLER VB SAT IIIIIi RIBS ER SAT OS 3/32 WIRE REINFORCEMET 3/32 RATVS Il/ TRAILING ESNF- SIREBRAL BRACES 3/N SO PBAEE _______________ -ORIESBAL ERTAIL$ liPS LAI VRA3/ lIMiER PROM BALSA PR3/RI JI BBALSA _______________________________________________ ][ US MALE lINAC LOCATIONAA SWBRASSii3/B SlIT IIIIIIVB MWAIBE SHEET 2 trailing edge tips Give wing final sanding add wire reinforcement trailing edge center Both wings identical Stabilizer elevator fin rudderare straight forward structures Ribs simply s balsa stock sanded shape after assembly Make own elevator joiner -in music wire Dont forget slide brass bearing tube over wire before bending Fit set good heavy-duty pintype hinges Du-Bro makes some good ones cotter key pins Note notch bottom rudder tail wheel steering arm piece made hardwood Also note triangular balsa key bottom stabilizer alignment purposes will need closely fitted fuselage later base fin notched clear top stabilizer spar Fuselage constructim begins cutting basic sides doublers door skin Cut Formers 3 through 11 plywood Former 1 cut raft plywood No 2 3/ fir plywood Fuselage sides should clamped together sanding final size fitting lower wing cutout finished wing Lay out sides top edges together ensure making right left side locate sq pine engine mount beams using doublers Formers 3 6 alignment Note Formers 6 8 bear fuselage sides others rest doublers Glue engine mounts sides white glue allow dry Adhere doublers contact cement Ensure space Former 6 Adhere tripler wing saddle area Glue 14-in sq gussets rear fuselage area dry clamp fuselage sides together outsideto-outside drill wing dowel holes Join fuselage sides using Formers 3 6 8 tank compartment floor aid align ment Small nails brads helpful maybe left permanently structure dry install tail post block remaining formers Accurately locate holes cabane strut tubes fuselage sides adjacent Formers 6 7 Drill accept -in ID brass tubing Install tubing flush outside fuselage secure formers wire lacing epoxy glue Fabricate landing gear mounting blocks 3/16 aircraft plywood install notches provided fuselage sides Install spruce stringers aft cockpit Add cockpit floor servo mount rails top fuselage Triplers G Cut engine mount plate aircraft plywood screw engine bearers six No 8 -in buttonhead sheet metal screws Temporarily install engine Glue Form ers 1 2 together fit front fuselage screws trimming engine clear ance needed Mount stabilizer rest fit tri angular-shaped stabilizer alignment key bot tom stabilizer Secure tail surfaces fuselage rubberbands Temporarily install radio gear install Ny- rods equivalent elevator rudder 7 throttle controls Support control rods along runs prevent undesired buckling flexing Provide 1-in rudder travel 1in elevator travel direction measured trailing edges Remove engine radio December 1982 27 VBSRT WEBRINA3/BOVB SPRICE SEARS VERTICAL ORAW IUii 3/3UWIT-I FIR COTROT IIIIIII1f~ 3/BSR Hemoval cowiing exposes fuel tank plumbing complete engine installation Engine mounts plate screws beams fuselage Makes changing engines easy proceed construction Sheet fuselage bottom ood door skin cross grain Bend four identical cabane struts -in music wire best done simultaneously aid vise Tape four pieces wire together side-by-side mark bend locations end Length critical long pieces equal Clamp wires vise bend proper angle hand Reverse wires bend other end proper angle Prepare brass tube wing mount rails install ing dowel plugs drilling mounting holes holes must have spacing identical fuselage wing mount tubes ensure zero inci dence top wing Place fuselage flat surface slide cabane wires mounting tubes Slip wing mount rails over wires support temporary blocking Check alignment front side above satisfied solder cabane wires securely brass tubing Bend 3/32-in music wire diagonal braces bind joints soft iron copper wire solder stop washer should soldered bottom cabane wire ensure uniform alignment time cabane strut assemblies installed fuselage top cockpit forward formed 020-in aluminum Obtain length 4-in dryer vent hardware building supply store material easily cut tin snips Make piece fit Former 5 Former 8 enclosing fuel tank compartment Cut out cockpit opening file ofT burrs Continued page 76 SIXTH Annual JANUARY 8&9 1983 SPECIALIZING IN RADIO CONTROL INDOOR DEMONSTRATIONS STATIC DISPLAY COMPETITION IN MANY CATEGORIES INTERNATIONAL MODELER SHOW BOX 127 COSTA MESA CA 92627 PHONE 71 41-548-A700 OR 71 Ab645-8830 UIUIiIIUinzi ISeen bottom bottom wing removed theres anp~ ruuni br raubo inslallanon ui components shock-mounted Support control pushrods regular intervals prevent flexing buckling Landing gear retained mounting blocks sheet metal straps screws Split dowel keys give perfect alignment top wing time installed Secure wings three No 84 rubberbands side RNATI C SEE THE LATEST PRODUCTS AND VISIT WITH MAJOR MANUFACTURERS AND DISTRIBUTORS 28 Model Aviation PEANUT SCALE MODELS MUSTANG MILES M-18ZERO DRUINEPIETENPOL COUGAR PIPER CUB GIPSY MOTHANDRESON GANAGOBIELACEY M-lO Rubber Powered Balsa Tissue Kits $595 SPORT MODELS PRAIRIE BIRD 4 $595 BABY ACE$649 ONE NITE 28$696 ONE NITE 16$595 STRINGLESS WONDER$495 PECK BOG -$l95 RUBBER OR CO-2 POWERED UVIWING NEEDS PROPS TISSUE RUBBER WINDERS BLADE SHARPENERS BEARINGS PROP SHAFTS LUBE WASHERS WHEELS FUSE CO-2 MOTORS BOOKS PLANS MORE ADVENTURE MODELS PONY BLIMP Il-FT RIC AIRSHIP KIT $24900 COMPLETE CATALOG $100 HARD TO FIND ITEMS FOR RUBBER MODELS AND AIRSHIPS plans Customers insist aerobat ics everything Wright Flyer Sure understand flight realismand no can build anything fly scale speedhut Moustique bad have zip Oh death thy sting So Ross Twin 60 span 80 145 oz wing loading 8 sq ft area 7-lb weight floater course big Aristocrat almost floats 38-oz loading Norms Moustique took off tlsree feet zero breeze recovers com plete stall about its own length flies flat unbanked 360s hy crossing controls Now tells would better 35 45 sport engine thinks 30 4-cycle Saito FA-30 would ideal Old Norm will right-on sport enginestoo bad Farman just plan kit kit Id have sit yet another tantalizing fantasy photo Turbulent Septem ber issue really Jodel D-9 probably know writes Dick Konkle Just cant resist poking little fun Since two guys wrote about glaring error thank realizing gosh-aw ful typewriter did know differ ence Dick has info little history D-9 group us bought plans full-size plane around 1958I fell heir plans bought Gemini Twin looked around design exposed two-hanger also reasonably aerobaticthe Jodel choice Structure scale including sprung landing gear scale 30% wing span about 88 weight 13 lb has done well contests usually first second caption two issues back Turbulent extolled flying qualities Jodel same true Turbulent Both mag nificent subjects Rubber FF Gas CL RC size now editor screaming frequency pin Bill Winter 4426 Altura Ct Fairfax VA 22030 US Male/Haught Continued page 28 Attach fuselage No 2 x -in sheet metal screws spaced shown plan Cut engine cowling portion length Provide engine cooling hole 1 x 3 shown Also cutclearance muffler exhaust extension Cut windshield plastic sheet Frame bottom edge scrap aluminum bolt fuselage landing gear fabricated 3/16-in music wire 3/32-in music wire bracing Fix front rear components fuselage straps screws Bind parts together soft wire solder securely assembled fuselage tail wheel gear installed after covering fuselage Remove metal parts give fuse lage final sanding Covering Any popular covering tech niques can used addition flying surfaces prefer cover entire fuselageas feel lighter-weight finish may obtained way keeping commitment lowbudget model original covered polyesterdress liningfrom local sewingshop material comes myriad colors strong cheap heat-shrinkable Proceed follows Continued page 82 76 Model Aviation -a - ct2f THE PEANUT-PEOPLE PRESENT L P 0 BOX 2490-MA LA MESA CALIF 92041 PHONE 714 409-8675 714 442-4036