7 Bob shows us make set wheel pants fibergiassed foam 1 cardboard cutting template tne center rough-cut foam core left right wheel pant appears after sanding shapebut before being coated vinyl spackling compound R small hot-wire foam cutter used cardboard template cut outline wheel fairing blue Styrofoam sheet power supply box contains Powerstat variable transformer 26 V secondary isolation transformer latter safety-item Radio Control SCALE Bob & Dolly Wischer NEW RC FREQUENCIES recent local RC meeting District VII Frequency Coordinator Pete Waters present charts area showing location industrial transmit ters posed threat flying RC models disclosed local telephone company built transmitter commonly-used RC frequencies 7564 MHz few miles distant club flying field Without Petes help would have gone using 7564 until someone shot down loss trainer built few weeks lamentable model could also have Scale type 2000 hours build ing time Scale modelers particular need Fre quency Coordinators assistance reasonably certain clubs flying field isnt within range transmitters Coordinators rough-cut Styrofoam blank sanded shape using No 60 sandpaper wrapped around wooden block few minutes work its ready glasscertainly simpler tasks otherwise complex hobby name listed heading VicePresidents column AMA News Chartered clubs have asked contact Coordinator districts giving exact location club fields Contest Directors conduct Scale events should also aware frequencies usable Ryan SCW badly damaged Reno 7564 MHz local fliers told us recent interference frequency Un fortunately some us have flying years tend disregard such warnings basis so-called interference has often scapegoat accidents caused other problems Until get new narrow-band receivers moving new frequencies may avoid local interference Before flying valuable Scale air craft aware local frequency situation Composite construction spite nearvertical descent apron pavement Reno Ryan reassembly needed surprisingly few new parts fuselage aft wing spar completely demolished Supertigre now has new shaft crankcase Wings recov ered couple cracked ribs replaced stub spar carries through wing centersection mounts landing gear legs badly shattered needed replacement made up sandwich -in balsa core laminated between 1/16-in plywood outer Photo left shows two finished wheel pantsthe left has hollowed oot ready its primer coat other awaits removal foam coreby either chipping dissolving out photo right shows repairs Bobs Ryan SCW after its Reno crash 21-in-long stub spar protrudes plywood-faced end rib wing root note basket-handle ply-faced bulkhead across fuselage top survived crash firewall laminated live layers five-ply 1/16-in plywoodits tremendously strong Note homemade shock-absorbing landing gear legsone reason Bob didnt scrap wreck 50 Model Aviation skins addition about three ounces spar could made seven-ply 3Ar-in thick plywood save fabrication time done finished spar completely useless flexible wet noodleand met its end fireplace fuel new stub spar fabricated duplicate original lightweight sandwich much greater rigidity no regrets additional time spent Throughout construction Ryan least dozen other applications thin plywood laminated balsa air planes eventual survival indicates value feature Lamination done white glue under pressure gain strength minimum weight Main load-bearing bulkheads typical examples locations use composite con struction bulkhead visible within pro totype aircraft will usually quite small cross section Balsa alone used reproduce such bulkhead would weak ineffective loadbearing piece Adding thin layer 1/64 1/32 plywood its exterior flat surfaces will convert weak part greater strength added benefit increased realism appearance Edges parts laminated ply have charac teristic sharp appearance difficult obtain balsa tends round off due its softness feature particular value parts mate such joint wing meets fuselage plywood butting surface gives joint line sharp appearance much less conspicuous possible balsa surfaces maximum strength regard cost use graphite sheet laminating prefer C-clamps applying pressure laminating process part squeezed between flat boards using waxed paper prevent oozing glue contacting boards Actually will almost no ooze minimum glue used Parts need wetted glue good joint since surplus will squeezed out under pressure Lacking C-clamps pressure can come stack heavy books other conContinued page 141 BYRON __ F-86 SABRE JET ORIGINALS -Powered Patented B LJIJGV Ducted Fan Another Quality Product Worlds Leading Ducted Fan Specialists experience knowledge state-of-the-art ducted fan technology has produced another fascinating super scale jet experience rld famous F-86 Sabre unlike other ducted fan kits market 1/8 scale Byro-Jet powered fighter offers whole lot kit money item needed complete project included except course engine fan radio paint glue call approach Complete Kit Concept component has specially designed manufactured purchased meet specific quality performance dependability requirements Kit includes highly detailed fiberglass fuselage injection molded wings control surfaces precise die-cut wood parts wheels landing gear cockpit interior canopy decals plus assorted hardware required Unique Plug-In Wings & Aileron Linkage system also standard equipment make removing wings transport quick simple operation Optional Ouick-Connectors another Byron Originals ex clusive makes hooking up pneumatic retracts simple plugging wings things con sidered F-86 indeed product truly deserving Byron Originals trademark Plug-In Wings & Quick Pneumatic couplers 1J~4L -4/ 7/ 7/ / FactoryPlus PriceShipping $24500$850 $24000$850 6630$200 $22lOpr$150 required 4 line systemsl lorry No CODs Accepted SPECIFICATIONS Wing Span57 Wing Area684 sq Wing Loading30 oz psf Langtb Model H58 Length Model Dl62A Ready-to-fly wt11 lb Including Econokote covering & retractal PowerByro-Jet & Schnuerle 60 & 80s Channels4 5 w/retractsl Byron Originals PO Box 279 Ida Grove Ia 51445 USA 712-364-3165 TELEX 439012 IDAG June 1983 51 Bobs 1982 Scale World Champs entrya Ryan SCW reproduced prototypes polished aluminum finish burnished butyrate dope ship weighed 9 lb used Supertigre 60 power plexiglass canopy slides formed aluminum tracks SCW exceedingly graceful craft made now defunct think company called Plantation Models foam wing cut 10 years ago wife travelled Maryland Florida survived two moves down club members gave incentive finish observed almost slow builder Anyway after covering wing last weekend proceeded mount fixed gear binge ailerons Would believe Id almost gotten mount fixed landing gears years building retractable-landinggear airplanes caused forget some tech niques installing fixed gears came back quickly enough once got started though thought might useful present way setting up fixed gear installation start mounting engine fuselage putting correct-size prop block model up fiat surface using old shoe boxes books until airplane level prop clears floor table about inch measure distance bottom wing gear location floor nose gear plugs fuselage floor After subtracting half diameter respective wheels final bend points main gears nose gear can marked gear wires Goldberg adjustable axles being used easier bending gear wires Just clamp axles gear wires marked Dont forget file gear wire set screw axle will spin around slide up wire Some people solder adjustable axle gear wire after installation has checked Whichever technique used airplane should sit level doesnt either takeoff landing problems will result nose-high attitude will make bouncy landings because wing zant dump lift after touchdown decreasing its sngle attack nose-low attitude trouble lao because wing may actually develop nega live lift runway during takeoff run tnd make difficult rotate airplane akeoff Neither situation desirable fliers save lot trouble taking time woperly set up landing gears Ron Van Putie Ill Sleepy Oaks Rd Ft Wa/ Beach FL 32548 C Scale/Wiscer ontinued page 51 lenient weight white glue between balsa snd plywood pressure needs applied br hour have made good joints 20 ninutes temperature can raised lacing assembly warm spot may e wet glue outside joint intemally ure quite complete doubt about time equired make test sample Balsa will tear away ut glue joint remains intact Such tests ften performed full-scale construction vooden airplanes prove techniques Dons use nodel cement laminating needs air Iry Combinations materials help keep cate airplanes intact among worth vhite individualistic tricks building re ertoire arts foam insulation Wing cores made om foam plastic common other model Irts can also built up fiberglass cloth er foam core odd shapes ost likely candidates type construction ogine cowls wheel pants broad struts nacelles id fairings have made fiberglass over Continued page 144 4-40 STEEL KWIK-LINKS #9 4-413 links con structed top quality spring steel Control linkage hook-ups Cat No 304 2 $100 DU-BRO 4-40 KWIK-LINKS I12 rod iflClUdd / Cat No 306$ 75 sa NICKEL PLATED SOLDER LINKS new 4-40 solder links nickel plated easy soldering Cat No 3052 $100 SMALL NYLON HINGESSTANDARD NYLON HINGESHEAVY DUTY e HINGES Easy install precisionStrong smooth andBuilt heavy load DIJBRO molded rigid nylon hingesas easy install asheavy duty hinges ideal flash free lockedthe small the1/4 scale applications checked forheavy duty hingesThey use removable000 smoothness theIX cc factoryAll have sixtIIkj3/64 dia cotter pin holes each000 formax- um holding Ktz000 000 Cat No 1186 per pkg $106Cat No 116 6 per pkg $110Cat No 257 Cat No ii9 15 per pkg $195Cat No 117 15 per pltg $24915 per pkg$375 DUeBROS COMPLETE SELECTION OF BRASS PLATED OURA-COLLARS Enough stock threads will strip can re-worked other uses Both heavy duty regular collar sets complete Allen Wrench Cat No 244 43 7/32 1413116 QQ139 1/9 138 3/32 137 1116 [ Heavy duty $1 00-2 per set f----$ 80 per set sets gf 4 HEAVY DUTY 4-40 BALL LINK Cat No 259 Shown actual size new hefty ball link perfect 1/4 scale application Set includes heavy duty nylon socket 5 piece set $125 complete switch KWIK-SWITCH MOUNT mounting set Install battery switch anywhere fuse lage minutes drill 3/1 6 hole Cat No 203$175 4SF 0g DUBRO SNAP-ON BALL LINKS Bolt-on links threaded links links rivit shafts take care misalignment Tough nylon link snaps holds tight y Excellent offset steering servo throttle hook-ups Bolt $85 Threaded $85 Cat No 180 Cat No 181 Cat No 182 DUO BRO PRODUCTS INC 480 Banner Road Wauconda Illinois 60084 June 1983 141 Top Quality Name Can Depend NEW________ modeling radio repair So avoid inflated repair costs undue service time Radio South fast economical inCONIRO house radio service can depend Radio South customer satisfaction isnt just motto Its way life Let us put back control Losing control can night mare wrong response given command can take its toll yourmodel nerves r wallet Radio South know feel about hobby too avid RC enthusiasts ly half century combined experience Authorized sales & serVIS4 KRAFT______ 7vice JR PROPO radioro Line pment imported E Burgess Road .7Circus Hobbies Pensacola FL 32503904/478-6745 temporary foam cores core later removed chipping out finished hollow part Note Doe Mathews discovered foam can dissolved Out fiberglass skin immer sing finished part container gasoline make sure outdoors RMcM basis core blue insulation styrene foam sheet has fine grain easy sand ing doesnt need kind urethane impervious attack polyester resin Either kind will serve purposes Preferred sheet thickness 2 large parts made core can laminated using white glue adhesive find local supplier look under Insulation Yellow Pages Dow Sty rofoam order maintain basic exterior dimensions cardboard template used guide cutting foam actual cutting can done hot-wire cutter available isnt really necessary foam sheet readily cut ordinary hand tools circular saw can cut large sheet down manageable size can cut ordinary handsaw hot-wire cutter intended shaping wing panels much too large easy handling shorter made shape C 022-in diameter nichrome wire stretched across open end have tried music wire seems work equally well wire kept straight tension spring connected end Electric current must pass through spring because heating will cause loss elasticity safety standpoint power supply hotwire cutter must contain isolation transformer separate primary secondary windings avoid accidental shock touching exposed live connections powerstat variable transformer controls output ar rangement length hot wire can used wire temperature controlled optimum cutting speed small C-shaped cutter one-hand operation work piece held other hand using thumb hold cardboard tem plate place Lacking hot-wire cutter template becomes pattern tracing pencil outline cut jigsaw handsaw hand coping saw After initial shape has cut part roughly shaped first knife remove comers remainder shaping done sandpaper block No 60 coarse open-grtt paper Shaping very rapid some care must exercised avoid removing too much material Foam sheet inexpensive spoiled piece can discarded since time spent shaping short point sanded surface rough finer grades sandpaper wont make smoother individual foam cells have broken leaving pitted texture requires filling use vinyl paste spackling compound filler spread over surface sufficient depth cover roughness dry part again sanded first No 60 paper remove heavy ridges compound followed No 100 paper provide smooth interior surface finished part foam reappears too much sand ing add another coat compound sand again Finally brush coating slightly di luted white glue smooth surface act barrier against penetration polyester resin foam epoxy resin white glue can omitted because epoxy wont attack foam White glue isnt necessary urethane foam cores Using two- four-oz fiberglass cloth cut approximate part shape cover part sections engine cowl wheel pant best cover two pieces cloth side two-oz weight material about three four layers needed give part adequate rigidity essential withstand average abuse ex pected model airplane parts Heavier cloth may build up satisfactory thickness two layers Lightweight -oz glass cloth isnt too wellsuited build-up layers endless Glass cloth conforms very well compound curves However may expedient slit cloth very deep curves slits will result overlapping material will leave ridge resin hardens must sanded smooth before subsequent layers added easy sand ing use Sig K&B finishing resin heavy polyester resin intended boat building auto * * * * WANDITTM * FAT PLN *Dealers Invited * * lulie yOir *Wet DryCORD * w * Stick Abrasives *A Keen Machine glues exceptiunal *sanding control eucellent finisti. * * eggs Basic md t flat Wand t * 6 grits *10895 Builder Special mcI 2 flat t half* und wand 5 5 grits *1 29~ Oelaue mnclades 3 flat 2 half * nd wands 1 buff wandts * S grits * *Additional Wands Abrasues available * local hubby shap *ADDIS ELMORE Eve No 12t4 288 5789 * Bun 266 uite Teous 75t49* 144 Model Aviation IEGAIN WACO NKS-7 GREAT LAKES SPECIAL PLAN$27OOppPf.AN$27OOpp EG Cowl$27OOppFG Cowl$27OOpp FG Potts$25OOpp ECONO PAC$49UpP ECONO-PAC$70OGpp SAVE$600 SAVE $908 Farinan Moustique plan$17OOtp I-1 IN STOCK run iviyionnn New 30 CID QUADRA $22450 New 22 CID QUADRA $10950 Req 22 QUADRA 810450 Brisighella FlywhealSl2450 Rag 22 QUADRA POWER ASSEMBLY ONLY86450 QUADRA REPAIR uso plus pans Jiw Messer ERCOUPEPLANS 82395 KIT 822995 Jiw Messer TOMAHAWK PLANS $2395 KIT 824995 Jin Messer 8-BALL TRAINER PLANS $1695 KIT 89996 BALSA BASSWOOD fall sixesl 35% OFF Concept FLEET PLANS $2995 KIT 817995 COWL 81995 P8W RADIAL ENGINES Fleet $2295 VICKERS LEWIS MACHINE GUN KITS 81495 CECONITE Products 10% OFF Sig J3 CUB KIT 812996 PLANS SUPER STEARMAN IGodfreyl $2900 STARDUSTER TOO h IBrisigheltal 55 J3 CUB Nelita 81995 VOLKSPLANE hlChiuken Chartiel $2396 COCKPIT KITS Towahawk F4U-1 Spitfire 82196 Ercoupe $1995 Snearwan $2295 Cinabria $2095 J2 Cub $1996 ME-109 82150 Fleet 82095 US Quadra FUELTANKSlEna $695 22o $796 FIBERGLASS ARROW SHAFTS 5116 x22 lung 6181000 24-Hour Service. Add 5250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View Dr gany NY 14706 dy repairs heavier resins build thickness ter sanding difficult Lay dry cloth over foam core brush through cloth stiff-bristled brush rdware stores have brushes desired Tness rolled metal handles ideal purpose called flux acid brushes used soldered tin work brush te cheap can thrown away forget clean immediately after use dope thinThe stiff bristles help force penetration through cloth fter resin hardens layer sand away lumps ridges Rough handling during sandof first cloth layers can leave dents m finger pressure After third layer dens part impervious damage idling sanding smooth exterior can re vigorous No 60 paper removes rough ges followed again No 100 open-coat er After sanding may observed raw s cloth exposed surface resin Id added cover areas enmore sanding risk exposing h endless procedure foam core can now removed chipping screw driver chisel followed light ling interior surfaces through spack compound residue foam could also oved dissolving gasoline thinner process messy slight stickiness re mains overall finishing touch coat inte rior resin exterior finish prefer fill good primer such K&B Ditzler No 32 Primer can sprayed brushed obtain metal-like surface sand primer No 180 open-coat sil icon carbide paper followed No 320 pol ishing out earlier sandpaper scratches Keep mind fiberglass cloth grain visible after sanding will reappear through final paint fin ish cloth should covered primer assured perfect smoothness finished part finishing schedule give part last lightly sprayed coating primer certain areas covered final prime coat sanded very lightly No 320 paper produce ultimate smoothness before painting Color coats can epoxy dope enamel acrylic Bob Dolls Wischer S-22 Lapham Peak Rd. Delafield WI 53018 RC Soaring/Pruss Continued page 53 have two persons view through larger ends other Adjust tripods beads neces sary see other through small 3/32-in tube ends field view will just barely permit tripod sighting unit seen opposite unit Since sighting tubes perpendicular sighting hoops no leveling bub bles leveling gadgets required hoops self-align parallel pattem left lock tripod adjustments place Setup Time About long takes string winch Advantages now already realize some units light portable easy realign moved quick take down relocate inexpensive accurate definitely advantage quick serious practice sessions also units used team selection Finals last Labor Day weekend As mentioned earlier four units made afternoon second two did use sighting tubes located position ing slaved off two master units line sight through planes B allowed freedom movement four flagmen base dur ing Distance task Speed task master units used others simply re moved item makes life simpler organizer measuring cable material available through aircraft supply houses Seven by-seven-stranded 3/64-in diameter works fine overkill regard strength Again practice found 200-meter length handy winch turnaround location Since winch line stretches cable helps provide answer few fliers RUBBER STRIP M RUBBER Made USA T6 1mm thick 042 XEO 16 ounces rubber per box ICE$1250 per box ppdin USA ELLI 3mm $180Oppd B TIMERS7 HUTOFF SEC $1195[ IIMtt0iI III IN DT~I $1195 SEND 5OFOR 1982/83 CA TALOG June 1983 145 ALL SHEET ONE PIECE AAA GRADE KILN DRIED SANDED TO CLOSE TOLERANCES PED 100% 36118x3173/8x1112 491116x426112x2 563132 x 430 671/8x437 76 85 115 139 48 49 58 PO50x39s7 TORRANCEcAgoslo beautiful Smooth flying WW1 classic machine SO wingspan 15 tbs using 91 engInes up SPECIAL EDITION KIT$32900 us 1200 parts very detailed construotioe msn,uIl Portabie power giow piogs fits shin pochst using HsadiooltTM sdepter shows stay plug get propeiler Reuhergeahis up 1000 times go day warranty No mote huihy hatteries tahles Order NiSTARTER either 110 220 12 volt fast oharger Instructions included Also aoaiiahle charger See decier order direct us Visa & Meatercard eucepted Please syocify type charger Add $150 ponsege USA NIHI lilSo. $21gS NIHL1E 220 n. 02105 NiHI-lA 12o adap. 52155NiHL1NC No charger 01205 12506 Giendondes Heredon VA 22011 USA 7034355955
Edition: Model Aviation - 1983/06
Page Numbers: 50, 51, 141, 144, 145
7 Bob shows us make set wheel pants fibergiassed foam 1 cardboard cutting template tne center rough-cut foam core left right wheel pant appears after sanding shapebut before being coated vinyl spackling compound R small hot-wire foam cutter used cardboard template cut outline wheel fairing blue Styrofoam sheet power supply box contains Powerstat variable transformer 26 V secondary isolation transformer latter safety-item Radio Control SCALE Bob & Dolly Wischer NEW RC FREQUENCIES recent local RC meeting District VII Frequency Coordinator Pete Waters present charts area showing location industrial transmit ters posed threat flying RC models disclosed local telephone company built transmitter commonly-used RC frequencies 7564 MHz few miles distant club flying field Without Petes help would have gone using 7564 until someone shot down loss trainer built few weeks lamentable model could also have Scale type 2000 hours build ing time Scale modelers particular need Fre quency Coordinators assistance reasonably certain clubs flying field isnt within range transmitters Coordinators rough-cut Styrofoam blank sanded shape using No 60 sandpaper wrapped around wooden block few minutes work its ready glasscertainly simpler tasks otherwise complex hobby name listed heading VicePresidents column AMA News Chartered clubs have asked contact Coordinator districts giving exact location club fields Contest Directors conduct Scale events should also aware frequencies usable Ryan SCW badly damaged Reno 7564 MHz local fliers told us recent interference frequency Un fortunately some us have flying years tend disregard such warnings basis so-called interference has often scapegoat accidents caused other problems Until get new narrow-band receivers moving new frequencies may avoid local interference Before flying valuable Scale air craft aware local frequency situation Composite construction spite nearvertical descent apron pavement Reno Ryan reassembly needed surprisingly few new parts fuselage aft wing spar completely demolished Supertigre now has new shaft crankcase Wings recov ered couple cracked ribs replaced stub spar carries through wing centersection mounts landing gear legs badly shattered needed replacement made up sandwich -in balsa core laminated between 1/16-in plywood outer Photo left shows two finished wheel pantsthe left has hollowed oot ready its primer coat other awaits removal foam coreby either chipping dissolving out photo right shows repairs Bobs Ryan SCW after its Reno crash 21-in-long stub spar protrudes plywood-faced end rib wing root note basket-handle ply-faced bulkhead across fuselage top survived crash firewall laminated live layers five-ply 1/16-in plywoodits tremendously strong Note homemade shock-absorbing landing gear legsone reason Bob didnt scrap wreck 50 Model Aviation skins addition about three ounces spar could made seven-ply 3Ar-in thick plywood save fabrication time done finished spar completely useless flexible wet noodleand met its end fireplace fuel new stub spar fabricated duplicate original lightweight sandwich much greater rigidity no regrets additional time spent Throughout construction Ryan least dozen other applications thin plywood laminated balsa air planes eventual survival indicates value feature Lamination done white glue under pressure gain strength minimum weight Main load-bearing bulkheads typical examples locations use composite con struction bulkhead visible within pro totype aircraft will usually quite small cross section Balsa alone used reproduce such bulkhead would weak ineffective loadbearing piece Adding thin layer 1/64 1/32 plywood its exterior flat surfaces will convert weak part greater strength added benefit increased realism appearance Edges parts laminated ply have charac teristic sharp appearance difficult obtain balsa tends round off due its softness feature particular value parts mate such joint wing meets fuselage plywood butting surface gives joint line sharp appearance much less conspicuous possible balsa surfaces maximum strength regard cost use graphite sheet laminating prefer C-clamps applying pressure laminating process part squeezed between flat boards using waxed paper prevent oozing glue contacting boards Actually will almost no ooze minimum glue used Parts need wetted glue good joint since surplus will squeezed out under pressure Lacking C-clamps pressure can come stack heavy books other conContinued page 141 BYRON __ F-86 SABRE JET ORIGINALS -Powered Patented B LJIJGV Ducted Fan Another Quality Product Worlds Leading Ducted Fan Specialists experience knowledge state-of-the-art ducted fan technology has produced another fascinating super scale jet experience rld famous F-86 Sabre unlike other ducted fan kits market 1/8 scale Byro-Jet powered fighter offers whole lot kit money item needed complete project included except course engine fan radio paint glue call approach Complete Kit Concept component has specially designed manufactured purchased meet specific quality performance dependability requirements Kit includes highly detailed fiberglass fuselage injection molded wings control surfaces precise die-cut wood parts wheels landing gear cockpit interior canopy decals plus assorted hardware required Unique Plug-In Wings & Aileron Linkage system also standard equipment make removing wings transport quick simple operation Optional Ouick-Connectors another Byron Originals ex clusive makes hooking up pneumatic retracts simple plugging wings things con sidered F-86 indeed product truly deserving Byron Originals trademark Plug-In Wings & Quick Pneumatic couplers 1J~4L -4/ 7/ 7/ / FactoryPlus PriceShipping $24500$850 $24000$850 6630$200 $22lOpr$150 required 4 line systemsl lorry No CODs Accepted SPECIFICATIONS Wing Span57 Wing Area684 sq Wing Loading30 oz psf Langtb Model H58 Length Model Dl62A Ready-to-fly wt11 lb Including Econokote covering & retractal PowerByro-Jet & Schnuerle 60 & 80s Channels4 5 w/retractsl Byron Originals PO Box 279 Ida Grove Ia 51445 USA 712-364-3165 TELEX 439012 IDAG June 1983 51 Bobs 1982 Scale World Champs entrya Ryan SCW reproduced prototypes polished aluminum finish burnished butyrate dope ship weighed 9 lb used Supertigre 60 power plexiglass canopy slides formed aluminum tracks SCW exceedingly graceful craft made now defunct think company called Plantation Models foam wing cut 10 years ago wife travelled Maryland Florida survived two moves down club members gave incentive finish observed almost slow builder Anyway after covering wing last weekend proceeded mount fixed gear binge ailerons Would believe Id almost gotten mount fixed landing gears years building retractable-landinggear airplanes caused forget some tech niques installing fixed gears came back quickly enough once got started though thought might useful present way setting up fixed gear installation start mounting engine fuselage putting correct-size prop block model up fiat surface using old shoe boxes books until airplane level prop clears floor table about inch measure distance bottom wing gear location floor nose gear plugs fuselage floor After subtracting half diameter respective wheels final bend points main gears nose gear can marked gear wires Goldberg adjustable axles being used easier bending gear wires Just clamp axles gear wires marked Dont forget file gear wire set screw axle will spin around slide up wire Some people solder adjustable axle gear wire after installation has checked Whichever technique used airplane should sit level doesnt either takeoff landing problems will result nose-high attitude will make bouncy landings because wing zant dump lift after touchdown decreasing its sngle attack nose-low attitude trouble lao because wing may actually develop nega live lift runway during takeoff run tnd make difficult rotate airplane akeoff Neither situation desirable fliers save lot trouble taking time woperly set up landing gears Ron Van Putie Ill Sleepy Oaks Rd Ft Wa/ Beach FL 32548 C Scale/Wiscer ontinued page 51 lenient weight white glue between balsa snd plywood pressure needs applied br hour have made good joints 20 ninutes temperature can raised lacing assembly warm spot may e wet glue outside joint intemally ure quite complete doubt about time equired make test sample Balsa will tear away ut glue joint remains intact Such tests ften performed full-scale construction vooden airplanes prove techniques Dons use nodel cement laminating needs air Iry Combinations materials help keep cate airplanes intact among worth vhite individualistic tricks building re ertoire arts foam insulation Wing cores made om foam plastic common other model Irts can also built up fiberglass cloth er foam core odd shapes ost likely candidates type construction ogine cowls wheel pants broad struts nacelles id fairings have made fiberglass over Continued page 144 4-40 STEEL KWIK-LINKS #9 4-413 links con structed top quality spring steel Control linkage hook-ups Cat No 304 2 $100 DU-BRO 4-40 KWIK-LINKS I12 rod iflClUdd / Cat No 306$ 75 sa NICKEL PLATED SOLDER LINKS new 4-40 solder links nickel plated easy soldering Cat No 3052 $100 SMALL NYLON HINGESSTANDARD NYLON HINGESHEAVY DUTY e HINGES Easy install precisionStrong smooth andBuilt heavy load DIJBRO molded rigid nylon hingesas easy install asheavy duty hinges ideal flash free lockedthe small the1/4 scale applications checked forheavy duty hingesThey use removable000 smoothness theIX cc factoryAll have sixtIIkj3/64 dia cotter pin holes each000 formax- um holding Ktz000 000 Cat No 1186 per pkg $106Cat No 116 6 per pkg $110Cat No 257 Cat No ii9 15 per pkg $195Cat No 117 15 per pltg $24915 per pkg$375 DUeBROS COMPLETE SELECTION OF BRASS PLATED OURA-COLLARS Enough stock threads will strip can re-worked other uses Both heavy duty regular collar sets complete Allen Wrench Cat No 244 43 7/32 1413116 QQ139 1/9 138 3/32 137 1116 [ Heavy duty $1 00-2 per set f----$ 80 per set sets gf 4 HEAVY DUTY 4-40 BALL LINK Cat No 259 Shown actual size new hefty ball link perfect 1/4 scale application Set includes heavy duty nylon socket 5 piece set $125 complete switch KWIK-SWITCH MOUNT mounting set Install battery switch anywhere fuse lage minutes drill 3/1 6 hole Cat No 203$175 4SF 0g DUBRO SNAP-ON BALL LINKS Bolt-on links threaded links links rivit shafts take care misalignment Tough nylon link snaps holds tight y Excellent offset steering servo throttle hook-ups Bolt $85 Threaded $85 Cat No 180 Cat No 181 Cat No 182 DUO BRO PRODUCTS INC 480 Banner Road Wauconda Illinois 60084 June 1983 141 Top Quality Name Can Depend NEW________ modeling radio repair So avoid inflated repair costs undue service time Radio South fast economical inCONIRO house radio service can depend Radio South customer satisfaction isnt just motto Its way life Let us put back control Losing control can night mare wrong response given command can take its toll yourmodel nerves r wallet Radio South know feel about hobby too avid RC enthusiasts ly half century combined experience Authorized sales & serVIS4 KRAFT______ 7vice JR PROPO radioro Line pment imported E Burgess Road .7Circus Hobbies Pensacola FL 32503904/478-6745 temporary foam cores core later removed chipping out finished hollow part Note Doe Mathews discovered foam can dissolved Out fiberglass skin immer sing finished part container gasoline make sure outdoors RMcM basis core blue insulation styrene foam sheet has fine grain easy sand ing doesnt need kind urethane impervious attack polyester resin Either kind will serve purposes Preferred sheet thickness 2 large parts made core can laminated using white glue adhesive find local supplier look under Insulation Yellow Pages Dow Sty rofoam order maintain basic exterior dimensions cardboard template used guide cutting foam actual cutting can done hot-wire cutter available isnt really necessary foam sheet readily cut ordinary hand tools circular saw can cut large sheet down manageable size can cut ordinary handsaw hot-wire cutter intended shaping wing panels much too large easy handling shorter made shape C 022-in diameter nichrome wire stretched across open end have tried music wire seems work equally well wire kept straight tension spring connected end Electric current must pass through spring because heating will cause loss elasticity safety standpoint power supply hotwire cutter must contain isolation transformer separate primary secondary windings avoid accidental shock touching exposed live connections powerstat variable transformer controls output ar rangement length hot wire can used wire temperature controlled optimum cutting speed small C-shaped cutter one-hand operation work piece held other hand using thumb hold cardboard tem plate place Lacking hot-wire cutter template becomes pattern tracing pencil outline cut jigsaw handsaw hand coping saw After initial shape has cut part roughly shaped first knife remove comers remainder shaping done sandpaper block No 60 coarse open-grtt paper Shaping very rapid some care must exercised avoid removing too much material Foam sheet inexpensive spoiled piece can discarded since time spent shaping short point sanded surface rough finer grades sandpaper wont make smoother individual foam cells have broken leaving pitted texture requires filling use vinyl paste spackling compound filler spread over surface sufficient depth cover roughness dry part again sanded first No 60 paper remove heavy ridges compound followed No 100 paper provide smooth interior surface finished part foam reappears too much sand ing add another coat compound sand again Finally brush coating slightly di luted white glue smooth surface act barrier against penetration polyester resin foam epoxy resin white glue can omitted because epoxy wont attack foam White glue isnt necessary urethane foam cores Using two- four-oz fiberglass cloth cut approximate part shape cover part sections engine cowl wheel pant best cover two pieces cloth side two-oz weight material about three four layers needed give part adequate rigidity essential withstand average abuse ex pected model airplane parts Heavier cloth may build up satisfactory thickness two layers Lightweight -oz glass cloth isnt too wellsuited build-up layers endless Glass cloth conforms very well compound curves However may expedient slit cloth very deep curves slits will result overlapping material will leave ridge resin hardens must sanded smooth before subsequent layers added easy sand ing use Sig K&B finishing resin heavy polyester resin intended boat building auto * * * * WANDITTM * FAT PLN *Dealers Invited * * lulie yOir *Wet DryCORD * w * Stick Abrasives *A Keen Machine glues exceptiunal *sanding control eucellent finisti. * * eggs Basic md t flat Wand t * 6 grits *10895 Builder Special mcI 2 flat t half* und wand 5 5 grits *1 29~ Oelaue mnclades 3 flat 2 half * nd wands 1 buff wandts * S grits * *Additional Wands Abrasues available * local hubby shap *ADDIS ELMORE Eve No 12t4 288 5789 * Bun 266 uite Teous 75t49* 144 Model Aviation IEGAIN WACO NKS-7 GREAT LAKES SPECIAL PLAN$27OOppPf.AN$27OOpp EG Cowl$27OOppFG Cowl$27OOpp FG Potts$25OOpp ECONO PAC$49UpP ECONO-PAC$70OGpp SAVE$600 SAVE $908 Farinan Moustique plan$17OOtp I-1 IN STOCK run iviyionnn New 30 CID QUADRA $22450 New 22 CID QUADRA $10950 Req 22 QUADRA 810450 Brisighella FlywhealSl2450 Rag 22 QUADRA POWER ASSEMBLY ONLY86450 QUADRA REPAIR uso plus pans Jiw Messer ERCOUPEPLANS 82395 KIT 822995 Jiw Messer TOMAHAWK PLANS $2395 KIT 824995 Jin Messer 8-BALL TRAINER PLANS $1695 KIT 89996 BALSA BASSWOOD fall sixesl 35% OFF Concept FLEET PLANS $2995 KIT 817995 COWL 81995 P8W RADIAL ENGINES Fleet $2295 VICKERS LEWIS MACHINE GUN KITS 81495 CECONITE Products 10% OFF Sig J3 CUB KIT 812996 PLANS SUPER STEARMAN IGodfreyl $2900 STARDUSTER TOO h IBrisigheltal 55 J3 CUB Nelita 81995 VOLKSPLANE hlChiuken Chartiel $2396 COCKPIT KITS Towahawk F4U-1 Spitfire 82196 Ercoupe $1995 Snearwan $2295 Cinabria $2095 J2 Cub $1996 ME-109 82150 Fleet 82095 US Quadra FUELTANKSlEna $695 22o $796 FIBERGLASS ARROW SHAFTS 5116 x22 lung 6181000 24-Hour Service. Add 5250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View Dr gany NY 14706 dy repairs heavier resins build thickness ter sanding difficult Lay dry cloth over foam core brush through cloth stiff-bristled brush rdware stores have brushes desired Tness rolled metal handles ideal purpose called flux acid brushes used soldered tin work brush te cheap can thrown away forget clean immediately after use dope thinThe stiff bristles help force penetration through cloth fter resin hardens layer sand away lumps ridges Rough handling during sandof first cloth layers can leave dents m finger pressure After third layer dens part impervious damage idling sanding smooth exterior can re vigorous No 60 paper removes rough ges followed again No 100 open-coat er After sanding may observed raw s cloth exposed surface resin Id added cover areas enmore sanding risk exposing h endless procedure foam core can now removed chipping screw driver chisel followed light ling interior surfaces through spack compound residue foam could also oved dissolving gasoline thinner process messy slight stickiness re mains overall finishing touch coat inte rior resin exterior finish prefer fill good primer such K&B Ditzler No 32 Primer can sprayed brushed obtain metal-like surface sand primer No 180 open-coat sil icon carbide paper followed No 320 pol ishing out earlier sandpaper scratches Keep mind fiberglass cloth grain visible after sanding will reappear through final paint fin ish cloth should covered primer assured perfect smoothness finished part finishing schedule give part last lightly sprayed coating primer certain areas covered final prime coat sanded very lightly No 320 paper produce ultimate smoothness before painting Color coats can epoxy dope enamel acrylic Bob Dolls Wischer S-22 Lapham Peak Rd. Delafield WI 53018 RC Soaring/Pruss Continued page 53 have two persons view through larger ends other Adjust tripods beads neces sary see other through small 3/32-in tube ends field view will just barely permit tripod sighting unit seen opposite unit Since sighting tubes perpendicular sighting hoops no leveling bub bles leveling gadgets required hoops self-align parallel pattem left lock tripod adjustments place Setup Time About long takes string winch Advantages now already realize some units light portable easy realign moved quick take down relocate inexpensive accurate definitely advantage quick serious practice sessions also units used team selection Finals last Labor Day weekend As mentioned earlier four units made afternoon second two did use sighting tubes located position ing slaved off two master units line sight through planes B allowed freedom movement four flagmen base dur ing Distance task Speed task master units used others simply re moved item makes life simpler organizer measuring cable material available through aircraft supply houses Seven by-seven-stranded 3/64-in diameter works fine overkill regard strength Again practice found 200-meter length handy winch turnaround location Since winch line stretches cable helps provide answer few fliers RUBBER STRIP M RUBBER Made USA T6 1mm thick 042 XEO 16 ounces rubber per box ICE$1250 per box ppdin USA ELLI 3mm $180Oppd B TIMERS7 HUTOFF SEC $1195[ IIMtt0iI III IN DT~I $1195 SEND 5OFOR 1982/83 CA TALOG June 1983 145 ALL SHEET ONE PIECE AAA GRADE KILN DRIED SANDED TO CLOSE TOLERANCES PED 100% 36118x3173/8x1112 491116x426112x2 563132 x 430 671/8x437 76 85 115 139 48 49 58 PO50x39s7 TORRANCEcAgoslo beautiful Smooth flying WW1 classic machine SO wingspan 15 tbs using 91 engInes up SPECIAL EDITION KIT$32900 us 1200 parts very detailed construotioe msn,uIl Portabie power giow piogs fits shin pochst using HsadiooltTM sdepter shows stay plug get propeiler Reuhergeahis up 1000 times go day warranty No mote huihy hatteries tahles Order NiSTARTER either 110 220 12 volt fast oharger Instructions included Also aoaiiahle charger See decier order direct us Visa & Meatercard eucepted Please syocify type charger Add $150 ponsege USA NIHI lilSo. $21gS NIHL1E 220 n. 02105 NiHI-lA 12o adap. 52155NiHL1NC No charger 01205 12506 Giendondes Heredon VA 22011 USA 7034355955
Edition: Model Aviation - 1983/06
Page Numbers: 50, 51, 141, 144, 145
7 Bob shows us make set wheel pants fibergiassed foam 1 cardboard cutting template tne center rough-cut foam core left right wheel pant appears after sanding shapebut before being coated vinyl spackling compound R small hot-wire foam cutter used cardboard template cut outline wheel fairing blue Styrofoam sheet power supply box contains Powerstat variable transformer 26 V secondary isolation transformer latter safety-item Radio Control SCALE Bob & Dolly Wischer NEW RC FREQUENCIES recent local RC meeting District VII Frequency Coordinator Pete Waters present charts area showing location industrial transmit ters posed threat flying RC models disclosed local telephone company built transmitter commonly-used RC frequencies 7564 MHz few miles distant club flying field Without Petes help would have gone using 7564 until someone shot down loss trainer built few weeks lamentable model could also have Scale type 2000 hours build ing time Scale modelers particular need Fre quency Coordinators assistance reasonably certain clubs flying field isnt within range transmitters Coordinators rough-cut Styrofoam blank sanded shape using No 60 sandpaper wrapped around wooden block few minutes work its ready glasscertainly simpler tasks otherwise complex hobby name listed heading VicePresidents column AMA News Chartered clubs have asked contact Coordinator districts giving exact location club fields Contest Directors conduct Scale events should also aware frequencies usable Ryan SCW badly damaged Reno 7564 MHz local fliers told us recent interference frequency Un fortunately some us have flying years tend disregard such warnings basis so-called interference has often scapegoat accidents caused other problems Until get new narrow-band receivers moving new frequencies may avoid local interference Before flying valuable Scale air craft aware local frequency situation Composite construction spite nearvertical descent apron pavement Reno Ryan reassembly needed surprisingly few new parts fuselage aft wing spar completely demolished Supertigre now has new shaft crankcase Wings recov ered couple cracked ribs replaced stub spar carries through wing centersection mounts landing gear legs badly shattered needed replacement made up sandwich -in balsa core laminated between 1/16-in plywood outer Photo left shows two finished wheel pantsthe left has hollowed oot ready its primer coat other awaits removal foam coreby either chipping dissolving out photo right shows repairs Bobs Ryan SCW after its Reno crash 21-in-long stub spar protrudes plywood-faced end rib wing root note basket-handle ply-faced bulkhead across fuselage top survived crash firewall laminated live layers five-ply 1/16-in plywoodits tremendously strong Note homemade shock-absorbing landing gear legsone reason Bob didnt scrap wreck 50 Model Aviation skins addition about three ounces spar could made seven-ply 3Ar-in thick plywood save fabrication time done finished spar completely useless flexible wet noodleand met its end fireplace fuel new stub spar fabricated duplicate original lightweight sandwich much greater rigidity no regrets additional time spent Throughout construction Ryan least dozen other applications thin plywood laminated balsa air planes eventual survival indicates value feature Lamination done white glue under pressure gain strength minimum weight Main load-bearing bulkheads typical examples locations use composite con struction bulkhead visible within pro totype aircraft will usually quite small cross section Balsa alone used reproduce such bulkhead would weak ineffective loadbearing piece Adding thin layer 1/64 1/32 plywood its exterior flat surfaces will convert weak part greater strength added benefit increased realism appearance Edges parts laminated ply have charac teristic sharp appearance difficult obtain balsa tends round off due its softness feature particular value parts mate such joint wing meets fuselage plywood butting surface gives joint line sharp appearance much less conspicuous possible balsa surfaces maximum strength regard cost use graphite sheet laminating prefer C-clamps applying pressure laminating process part squeezed between flat boards using waxed paper prevent oozing glue contacting boards Actually will almost no ooze minimum glue used Parts need wetted glue good joint since surplus will squeezed out under pressure Lacking C-clamps pressure can come stack heavy books other conContinued page 141 BYRON __ F-86 SABRE JET ORIGINALS -Powered Patented B LJIJGV Ducted Fan Another Quality Product Worlds Leading Ducted Fan Specialists experience knowledge state-of-the-art ducted fan technology has produced another fascinating super scale jet experience rld famous F-86 Sabre unlike other ducted fan kits market 1/8 scale Byro-Jet powered fighter offers whole lot kit money item needed complete project included except course engine fan radio paint glue call approach Complete Kit Concept component has specially designed manufactured purchased meet specific quality performance dependability requirements Kit includes highly detailed fiberglass fuselage injection molded wings control surfaces precise die-cut wood parts wheels landing gear cockpit interior canopy decals plus assorted hardware required Unique Plug-In Wings & Aileron Linkage system also standard equipment make removing wings transport quick simple operation Optional Ouick-Connectors another Byron Originals ex clusive makes hooking up pneumatic retracts simple plugging wings things con sidered F-86 indeed product truly deserving Byron Originals trademark Plug-In Wings & Quick Pneumatic couplers 1J~4L -4/ 7/ 7/ / FactoryPlus PriceShipping $24500$850 $24000$850 6630$200 $22lOpr$150 required 4 line systemsl lorry No CODs Accepted SPECIFICATIONS Wing Span57 Wing Area684 sq Wing Loading30 oz psf Langtb Model H58 Length Model Dl62A Ready-to-fly wt11 lb Including Econokote covering & retractal PowerByro-Jet & Schnuerle 60 & 80s Channels4 5 w/retractsl Byron Originals PO Box 279 Ida Grove Ia 51445 USA 712-364-3165 TELEX 439012 IDAG June 1983 51 Bobs 1982 Scale World Champs entrya Ryan SCW reproduced prototypes polished aluminum finish burnished butyrate dope ship weighed 9 lb used Supertigre 60 power plexiglass canopy slides formed aluminum tracks SCW exceedingly graceful craft made now defunct think company called Plantation Models foam wing cut 10 years ago wife travelled Maryland Florida survived two moves down club members gave incentive finish observed almost slow builder Anyway after covering wing last weekend proceeded mount fixed gear binge ailerons Would believe Id almost gotten mount fixed landing gears years building retractable-landinggear airplanes caused forget some tech niques installing fixed gears came back quickly enough once got started though thought might useful present way setting up fixed gear installation start mounting engine fuselage putting correct-size prop block model up fiat surface using old shoe boxes books until airplane level prop clears floor table about inch measure distance bottom wing gear location floor nose gear plugs fuselage floor After subtracting half diameter respective wheels final bend points main gears nose gear can marked gear wires Goldberg adjustable axles being used easier bending gear wires Just clamp axles gear wires marked Dont forget file gear wire set screw axle will spin around slide up wire Some people solder adjustable axle gear wire after installation has checked Whichever technique used airplane should sit level doesnt either takeoff landing problems will result nose-high attitude will make bouncy landings because wing zant dump lift after touchdown decreasing its sngle attack nose-low attitude trouble lao because wing may actually develop nega live lift runway during takeoff run tnd make difficult rotate airplane akeoff Neither situation desirable fliers save lot trouble taking time woperly set up landing gears Ron Van Putie Ill Sleepy Oaks Rd Ft Wa/ Beach FL 32548 C Scale/Wiscer ontinued page 51 lenient weight white glue between balsa snd plywood pressure needs applied br hour have made good joints 20 ninutes temperature can raised lacing assembly warm spot may e wet glue outside joint intemally ure quite complete doubt about time equired make test sample Balsa will tear away ut glue joint remains intact Such tests ften performed full-scale construction vooden airplanes prove techniques Dons use nodel cement laminating needs air Iry Combinations materials help keep cate airplanes intact among worth vhite individualistic tricks building re ertoire arts foam insulation Wing cores made om foam plastic common other model Irts can also built up fiberglass cloth er foam core odd shapes ost likely candidates type construction ogine cowls wheel pants broad struts nacelles id fairings have made fiberglass over Continued page 144 4-40 STEEL KWIK-LINKS #9 4-413 links con structed top quality spring steel Control linkage hook-ups Cat No 304 2 $100 DU-BRO 4-40 KWIK-LINKS I12 rod iflClUdd / Cat No 306$ 75 sa NICKEL PLATED SOLDER LINKS new 4-40 solder links nickel plated easy soldering Cat No 3052 $100 SMALL NYLON HINGESSTANDARD NYLON HINGESHEAVY DUTY e HINGES Easy install precisionStrong smooth andBuilt heavy load DIJBRO molded rigid nylon hingesas easy install asheavy duty hinges ideal flash free lockedthe small the1/4 scale applications checked forheavy duty hingesThey use removable000 smoothness theIX cc factoryAll have sixtIIkj3/64 dia cotter pin holes each000 formax- um holding Ktz000 000 Cat No 1186 per pkg $106Cat No 116 6 per pkg $110Cat No 257 Cat No ii9 15 per pkg $195Cat No 117 15 per pltg $24915 per pkg$375 DUeBROS COMPLETE SELECTION OF BRASS PLATED OURA-COLLARS Enough stock threads will strip can re-worked other uses Both heavy duty regular collar sets complete Allen Wrench Cat No 244 43 7/32 1413116 QQ139 1/9 138 3/32 137 1116 [ Heavy duty $1 00-2 per set f----$ 80 per set sets gf 4 HEAVY DUTY 4-40 BALL LINK Cat No 259 Shown actual size new hefty ball link perfect 1/4 scale application Set includes heavy duty nylon socket 5 piece set $125 complete switch KWIK-SWITCH MOUNT mounting set Install battery switch anywhere fuse lage minutes drill 3/1 6 hole Cat No 203$175 4SF 0g DUBRO SNAP-ON BALL LINKS Bolt-on links threaded links links rivit shafts take care misalignment Tough nylon link snaps holds tight y Excellent offset steering servo throttle hook-ups Bolt $85 Threaded $85 Cat No 180 Cat No 181 Cat No 182 DUO BRO PRODUCTS INC 480 Banner Road Wauconda Illinois 60084 June 1983 141 Top Quality Name Can Depend NEW________ modeling radio repair So avoid inflated repair costs undue service time Radio South fast economical inCONIRO house radio service can depend Radio South customer satisfaction isnt just motto Its way life Let us put back control Losing control can night mare wrong response given command can take its toll yourmodel nerves r wallet Radio South know feel about hobby too avid RC enthusiasts ly half century combined experience Authorized sales & serVIS4 KRAFT______ 7vice JR PROPO radioro Line pment imported E Burgess Road .7Circus Hobbies Pensacola FL 32503904/478-6745 temporary foam cores core later removed chipping out finished hollow part Note Doe Mathews discovered foam can dissolved Out fiberglass skin immer sing finished part container gasoline make sure outdoors RMcM basis core blue insulation styrene foam sheet has fine grain easy sand ing doesnt need kind urethane impervious attack polyester resin Either kind will serve purposes Preferred sheet thickness 2 large parts made core can laminated using white glue adhesive find local supplier look under Insulation Yellow Pages Dow Sty rofoam order maintain basic exterior dimensions cardboard template used guide cutting foam actual cutting can done hot-wire cutter available isnt really necessary foam sheet readily cut ordinary hand tools circular saw can cut large sheet down manageable size can cut ordinary handsaw hot-wire cutter intended shaping wing panels much too large easy handling shorter made shape C 022-in diameter nichrome wire stretched across open end have tried music wire seems work equally well wire kept straight tension spring connected end Electric current must pass through spring because heating will cause loss elasticity safety standpoint power supply hotwire cutter must contain isolation transformer separate primary secondary windings avoid accidental shock touching exposed live connections powerstat variable transformer controls output ar rangement length hot wire can used wire temperature controlled optimum cutting speed small C-shaped cutter one-hand operation work piece held other hand using thumb hold cardboard tem plate place Lacking hot-wire cutter template becomes pattern tracing pencil outline cut jigsaw handsaw hand coping saw After initial shape has cut part roughly shaped first knife remove comers remainder shaping done sandpaper block No 60 coarse open-grtt paper Shaping very rapid some care must exercised avoid removing too much material Foam sheet inexpensive spoiled piece can discarded since time spent shaping short point sanded surface rough finer grades sandpaper wont make smoother individual foam cells have broken leaving pitted texture requires filling use vinyl paste spackling compound filler spread over surface sufficient depth cover roughness dry part again sanded first No 60 paper remove heavy ridges compound followed No 100 paper provide smooth interior surface finished part foam reappears too much sand ing add another coat compound sand again Finally brush coating slightly di luted white glue smooth surface act barrier against penetration polyester resin foam epoxy resin white glue can omitted because epoxy wont attack foam White glue isnt necessary urethane foam cores Using two- four-oz fiberglass cloth cut approximate part shape cover part sections engine cowl wheel pant best cover two pieces cloth side two-oz weight material about three four layers needed give part adequate rigidity essential withstand average abuse ex pected model airplane parts Heavier cloth may build up satisfactory thickness two layers Lightweight -oz glass cloth isnt too wellsuited build-up layers endless Glass cloth conforms very well compound curves However may expedient slit cloth very deep curves slits will result overlapping material will leave ridge resin hardens must sanded smooth before subsequent layers added easy sand ing use Sig K&B finishing resin heavy polyester resin intended boat building auto * * * * WANDITTM * FAT PLN *Dealers Invited * * lulie yOir *Wet DryCORD * w * Stick Abrasives *A Keen Machine glues exceptiunal *sanding control eucellent finisti. * * eggs Basic md t flat Wand t * 6 grits *10895 Builder Special mcI 2 flat t half* und wand 5 5 grits *1 29~ Oelaue mnclades 3 flat 2 half * nd wands 1 buff wandts * S grits * *Additional Wands Abrasues available * local hubby shap *ADDIS ELMORE Eve No 12t4 288 5789 * Bun 266 uite Teous 75t49* 144 Model Aviation IEGAIN WACO NKS-7 GREAT LAKES SPECIAL PLAN$27OOppPf.AN$27OOpp EG Cowl$27OOppFG Cowl$27OOpp FG Potts$25OOpp ECONO PAC$49UpP ECONO-PAC$70OGpp SAVE$600 SAVE $908 Farinan Moustique plan$17OOtp I-1 IN STOCK run iviyionnn New 30 CID QUADRA $22450 New 22 CID QUADRA $10950 Req 22 QUADRA 810450 Brisighella FlywhealSl2450 Rag 22 QUADRA POWER ASSEMBLY ONLY86450 QUADRA REPAIR uso plus pans Jiw Messer ERCOUPEPLANS 82395 KIT 822995 Jiw Messer TOMAHAWK PLANS $2395 KIT 824995 Jin Messer 8-BALL TRAINER PLANS $1695 KIT 89996 BALSA BASSWOOD fall sixesl 35% OFF Concept FLEET PLANS $2995 KIT 817995 COWL 81995 P8W RADIAL ENGINES Fleet $2295 VICKERS LEWIS MACHINE GUN KITS 81495 CECONITE Products 10% OFF Sig J3 CUB KIT 812996 PLANS SUPER STEARMAN IGodfreyl $2900 STARDUSTER TOO h IBrisigheltal 55 J3 CUB Nelita 81995 VOLKSPLANE hlChiuken Chartiel $2396 COCKPIT KITS Towahawk F4U-1 Spitfire 82196 Ercoupe $1995 Snearwan $2295 Cinabria $2095 J2 Cub $1996 ME-109 82150 Fleet 82095 US Quadra FUELTANKSlEna $695 22o $796 FIBERGLASS ARROW SHAFTS 5116 x22 lung 6181000 24-Hour Service. Add 5250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View Dr gany NY 14706 dy repairs heavier resins build thickness ter sanding difficult Lay dry cloth over foam core brush through cloth stiff-bristled brush rdware stores have brushes desired Tness rolled metal handles ideal purpose called flux acid brushes used soldered tin work brush te cheap can thrown away forget clean immediately after use dope thinThe stiff bristles help force penetration through cloth fter resin hardens layer sand away lumps ridges Rough handling during sandof first cloth layers can leave dents m finger pressure After third layer dens part impervious damage idling sanding smooth exterior can re vigorous No 60 paper removes rough ges followed again No 100 open-coat er After sanding may observed raw s cloth exposed surface resin Id added cover areas enmore sanding risk exposing h endless procedure foam core can now removed chipping screw driver chisel followed light ling interior surfaces through spack compound residue foam could also oved dissolving gasoline thinner process messy slight stickiness re mains overall finishing touch coat inte rior resin exterior finish prefer fill good primer such K&B Ditzler No 32 Primer can sprayed brushed obtain metal-like surface sand primer No 180 open-coat sil icon carbide paper followed No 320 pol ishing out earlier sandpaper scratches Keep mind fiberglass cloth grain visible after sanding will reappear through final paint fin ish cloth should covered primer assured perfect smoothness finished part finishing schedule give part last lightly sprayed coating primer certain areas covered final prime coat sanded very lightly No 320 paper produce ultimate smoothness before painting Color coats can epoxy dope enamel acrylic Bob Dolls Wischer S-22 Lapham Peak Rd. Delafield WI 53018 RC Soaring/Pruss Continued page 53 have two persons view through larger ends other Adjust tripods beads neces sary see other through small 3/32-in tube ends field view will just barely permit tripod sighting unit seen opposite unit Since sighting tubes perpendicular sighting hoops no leveling bub bles leveling gadgets required hoops self-align parallel pattem left lock tripod adjustments place Setup Time About long takes string winch Advantages now already realize some units light portable easy realign moved quick take down relocate inexpensive accurate definitely advantage quick serious practice sessions also units used team selection Finals last Labor Day weekend As mentioned earlier four units made afternoon second two did use sighting tubes located position ing slaved off two master units line sight through planes B allowed freedom movement four flagmen base dur ing Distance task Speed task master units used others simply re moved item makes life simpler organizer measuring cable material available through aircraft supply houses Seven by-seven-stranded 3/64-in diameter works fine overkill regard strength Again practice found 200-meter length handy winch turnaround location Since winch line stretches cable helps provide answer few fliers RUBBER STRIP M RUBBER Made USA T6 1mm thick 042 XEO 16 ounces rubber per box ICE$1250 per box ppdin USA ELLI 3mm $180Oppd B TIMERS7 HUTOFF SEC $1195[ IIMtt0iI III IN DT~I $1195 SEND 5OFOR 1982/83 CA TALOG June 1983 145 ALL SHEET ONE PIECE AAA GRADE KILN DRIED SANDED TO CLOSE TOLERANCES PED 100% 36118x3173/8x1112 491116x426112x2 563132 x 430 671/8x437 76 85 115 139 48 49 58 PO50x39s7 TORRANCEcAgoslo beautiful Smooth flying WW1 classic machine SO wingspan 15 tbs using 91 engInes up SPECIAL EDITION KIT$32900 us 1200 parts very detailed construotioe msn,uIl Portabie power giow piogs fits shin pochst using HsadiooltTM sdepter shows stay plug get propeiler Reuhergeahis up 1000 times go day warranty No mote huihy hatteries tahles Order NiSTARTER either 110 220 12 volt fast oharger Instructions included Also aoaiiahle charger See decier order direct us Visa & Meatercard eucepted Please syocify type charger Add $150 ponsege USA NIHI lilSo. $21gS NIHL1E 220 n. 02105 NiHI-lA 12o adap. 52155NiHL1NC No charger 01205 12506 Giendondes Heredon VA 22011 USA 7034355955
Edition: Model Aviation - 1983/06
Page Numbers: 50, 51, 141, 144, 145
7 Bob shows us make set wheel pants fibergiassed foam 1 cardboard cutting template tne center rough-cut foam core left right wheel pant appears after sanding shapebut before being coated vinyl spackling compound R small hot-wire foam cutter used cardboard template cut outline wheel fairing blue Styrofoam sheet power supply box contains Powerstat variable transformer 26 V secondary isolation transformer latter safety-item Radio Control SCALE Bob & Dolly Wischer NEW RC FREQUENCIES recent local RC meeting District VII Frequency Coordinator Pete Waters present charts area showing location industrial transmit ters posed threat flying RC models disclosed local telephone company built transmitter commonly-used RC frequencies 7564 MHz few miles distant club flying field Without Petes help would have gone using 7564 until someone shot down loss trainer built few weeks lamentable model could also have Scale type 2000 hours build ing time Scale modelers particular need Fre quency Coordinators assistance reasonably certain clubs flying field isnt within range transmitters Coordinators rough-cut Styrofoam blank sanded shape using No 60 sandpaper wrapped around wooden block few minutes work its ready glasscertainly simpler tasks otherwise complex hobby name listed heading VicePresidents column AMA News Chartered clubs have asked contact Coordinator districts giving exact location club fields Contest Directors conduct Scale events should also aware frequencies usable Ryan SCW badly damaged Reno 7564 MHz local fliers told us recent interference frequency Un fortunately some us have flying years tend disregard such warnings basis so-called interference has often scapegoat accidents caused other problems Until get new narrow-band receivers moving new frequencies may avoid local interference Before flying valuable Scale air craft aware local frequency situation Composite construction spite nearvertical descent apron pavement Reno Ryan reassembly needed surprisingly few new parts fuselage aft wing spar completely demolished Supertigre now has new shaft crankcase Wings recov ered couple cracked ribs replaced stub spar carries through wing centersection mounts landing gear legs badly shattered needed replacement made up sandwich -in balsa core laminated between 1/16-in plywood outer Photo left shows two finished wheel pantsthe left has hollowed oot ready its primer coat other awaits removal foam coreby either chipping dissolving out photo right shows repairs Bobs Ryan SCW after its Reno crash 21-in-long stub spar protrudes plywood-faced end rib wing root note basket-handle ply-faced bulkhead across fuselage top survived crash firewall laminated live layers five-ply 1/16-in plywoodits tremendously strong Note homemade shock-absorbing landing gear legsone reason Bob didnt scrap wreck 50 Model Aviation skins addition about three ounces spar could made seven-ply 3Ar-in thick plywood save fabrication time done finished spar completely useless flexible wet noodleand met its end fireplace fuel new stub spar fabricated duplicate original lightweight sandwich much greater rigidity no regrets additional time spent Throughout construction Ryan least dozen other applications thin plywood laminated balsa air planes eventual survival indicates value feature Lamination done white glue under pressure gain strength minimum weight Main load-bearing bulkheads typical examples locations use composite con struction bulkhead visible within pro totype aircraft will usually quite small cross section Balsa alone used reproduce such bulkhead would weak ineffective loadbearing piece Adding thin layer 1/64 1/32 plywood its exterior flat surfaces will convert weak part greater strength added benefit increased realism appearance Edges parts laminated ply have charac teristic sharp appearance difficult obtain balsa tends round off due its softness feature particular value parts mate such joint wing meets fuselage plywood butting surface gives joint line sharp appearance much less conspicuous possible balsa surfaces maximum strength regard cost use graphite sheet laminating prefer C-clamps applying pressure laminating process part squeezed between flat boards using waxed paper prevent oozing glue contacting boards Actually will almost no ooze minimum glue used Parts need wetted glue good joint since surplus will squeezed out under pressure Lacking C-clamps pressure can come stack heavy books other conContinued page 141 BYRON __ F-86 SABRE JET ORIGINALS -Powered Patented B LJIJGV Ducted Fan Another Quality Product Worlds Leading Ducted Fan Specialists experience knowledge state-of-the-art ducted fan technology has produced another fascinating super scale jet experience rld famous F-86 Sabre unlike other ducted fan kits market 1/8 scale Byro-Jet powered fighter offers whole lot kit money item needed complete project included except course engine fan radio paint glue call approach Complete Kit Concept component has specially designed manufactured purchased meet specific quality performance dependability requirements Kit includes highly detailed fiberglass fuselage injection molded wings control surfaces precise die-cut wood parts wheels landing gear cockpit interior canopy decals plus assorted hardware required Unique Plug-In Wings & Aileron Linkage system also standard equipment make removing wings transport quick simple operation Optional Ouick-Connectors another Byron Originals ex clusive makes hooking up pneumatic retracts simple plugging wings things con sidered F-86 indeed product truly deserving Byron Originals trademark Plug-In Wings & Quick Pneumatic couplers 1J~4L -4/ 7/ 7/ / FactoryPlus PriceShipping $24500$850 $24000$850 6630$200 $22lOpr$150 required 4 line systemsl lorry No CODs Accepted SPECIFICATIONS Wing Span57 Wing Area684 sq Wing Loading30 oz psf Langtb Model H58 Length Model Dl62A Ready-to-fly wt11 lb Including Econokote covering & retractal PowerByro-Jet & Schnuerle 60 & 80s Channels4 5 w/retractsl Byron Originals PO Box 279 Ida Grove Ia 51445 USA 712-364-3165 TELEX 439012 IDAG June 1983 51 Bobs 1982 Scale World Champs entrya Ryan SCW reproduced prototypes polished aluminum finish burnished butyrate dope ship weighed 9 lb used Supertigre 60 power plexiglass canopy slides formed aluminum tracks SCW exceedingly graceful craft made now defunct think company called Plantation Models foam wing cut 10 years ago wife travelled Maryland Florida survived two moves down club members gave incentive finish observed almost slow builder Anyway after covering wing last weekend proceeded mount fixed gear binge ailerons Would believe Id almost gotten mount fixed landing gears years building retractable-landinggear airplanes caused forget some tech niques installing fixed gears came back quickly enough once got started though thought might useful present way setting up fixed gear installation start mounting engine fuselage putting correct-size prop block model up fiat surface using old shoe boxes books until airplane level prop clears floor table about inch measure distance bottom wing gear location floor nose gear plugs fuselage floor After subtracting half diameter respective wheels final bend points main gears nose gear can marked gear wires Goldberg adjustable axles being used easier bending gear wires Just clamp axles gear wires marked Dont forget file gear wire set screw axle will spin around slide up wire Some people solder adjustable axle gear wire after installation has checked Whichever technique used airplane should sit level doesnt either takeoff landing problems will result nose-high attitude will make bouncy landings because wing zant dump lift after touchdown decreasing its sngle attack nose-low attitude trouble lao because wing may actually develop nega live lift runway during takeoff run tnd make difficult rotate airplane akeoff Neither situation desirable fliers save lot trouble taking time woperly set up landing gears Ron Van Putie Ill Sleepy Oaks Rd Ft Wa/ Beach FL 32548 C Scale/Wiscer ontinued page 51 lenient weight white glue between balsa snd plywood pressure needs applied br hour have made good joints 20 ninutes temperature can raised lacing assembly warm spot may e wet glue outside joint intemally ure quite complete doubt about time equired make test sample Balsa will tear away ut glue joint remains intact Such tests ften performed full-scale construction vooden airplanes prove techniques Dons use nodel cement laminating needs air Iry Combinations materials help keep cate airplanes intact among worth vhite individualistic tricks building re ertoire arts foam insulation Wing cores made om foam plastic common other model Irts can also built up fiberglass cloth er foam core odd shapes ost likely candidates type construction ogine cowls wheel pants broad struts nacelles id fairings have made fiberglass over Continued page 144 4-40 STEEL KWIK-LINKS #9 4-413 links con structed top quality spring steel Control linkage hook-ups Cat No 304 2 $100 DU-BRO 4-40 KWIK-LINKS I12 rod iflClUdd / Cat No 306$ 75 sa NICKEL PLATED SOLDER LINKS new 4-40 solder links nickel plated easy soldering Cat No 3052 $100 SMALL NYLON HINGESSTANDARD NYLON HINGESHEAVY DUTY e HINGES Easy install precisionStrong smooth andBuilt heavy load DIJBRO molded rigid nylon hingesas easy install asheavy duty hinges ideal flash free lockedthe small the1/4 scale applications checked forheavy duty hingesThey use removable000 smoothness theIX cc factoryAll have sixtIIkj3/64 dia cotter pin holes each000 formax- um holding Ktz000 000 Cat No 1186 per pkg $106Cat No 116 6 per pkg $110Cat No 257 Cat No ii9 15 per pkg $195Cat No 117 15 per pltg $24915 per pkg$375 DUeBROS COMPLETE SELECTION OF BRASS PLATED OURA-COLLARS Enough stock threads will strip can re-worked other uses Both heavy duty regular collar sets complete Allen Wrench Cat No 244 43 7/32 1413116 QQ139 1/9 138 3/32 137 1116 [ Heavy duty $1 00-2 per set f----$ 80 per set sets gf 4 HEAVY DUTY 4-40 BALL LINK Cat No 259 Shown actual size new hefty ball link perfect 1/4 scale application Set includes heavy duty nylon socket 5 piece set $125 complete switch KWIK-SWITCH MOUNT mounting set Install battery switch anywhere fuse lage minutes drill 3/1 6 hole Cat No 203$175 4SF 0g DUBRO SNAP-ON BALL LINKS Bolt-on links threaded links links rivit shafts take care misalignment Tough nylon link snaps holds tight y Excellent offset steering servo throttle hook-ups Bolt $85 Threaded $85 Cat No 180 Cat No 181 Cat No 182 DUO BRO PRODUCTS INC 480 Banner Road Wauconda Illinois 60084 June 1983 141 Top Quality Name Can Depend NEW________ modeling radio repair So avoid inflated repair costs undue service time Radio South fast economical inCONIRO house radio service can depend Radio South customer satisfaction isnt just motto Its way life Let us put back control Losing control can night mare wrong response given command can take its toll yourmodel nerves r wallet Radio South know feel about hobby too avid RC enthusiasts ly half century combined experience Authorized sales & serVIS4 KRAFT______ 7vice JR PROPO radioro Line pment imported E Burgess Road .7Circus Hobbies Pensacola FL 32503904/478-6745 temporary foam cores core later removed chipping out finished hollow part Note Doe Mathews discovered foam can dissolved Out fiberglass skin immer sing finished part container gasoline make sure outdoors RMcM basis core blue insulation styrene foam sheet has fine grain easy sand ing doesnt need kind urethane impervious attack polyester resin Either kind will serve purposes Preferred sheet thickness 2 large parts made core can laminated using white glue adhesive find local supplier look under Insulation Yellow Pages Dow Sty rofoam order maintain basic exterior dimensions cardboard template used guide cutting foam actual cutting can done hot-wire cutter available isnt really necessary foam sheet readily cut ordinary hand tools circular saw can cut large sheet down manageable size can cut ordinary handsaw hot-wire cutter intended shaping wing panels much too large easy handling shorter made shape C 022-in diameter nichrome wire stretched across open end have tried music wire seems work equally well wire kept straight tension spring connected end Electric current must pass through spring because heating will cause loss elasticity safety standpoint power supply hotwire cutter must contain isolation transformer separate primary secondary windings avoid accidental shock touching exposed live connections powerstat variable transformer controls output ar rangement length hot wire can used wire temperature controlled optimum cutting speed small C-shaped cutter one-hand operation work piece held other hand using thumb hold cardboard tem plate place Lacking hot-wire cutter template becomes pattern tracing pencil outline cut jigsaw handsaw hand coping saw After initial shape has cut part roughly shaped first knife remove comers remainder shaping done sandpaper block No 60 coarse open-grtt paper Shaping very rapid some care must exercised avoid removing too much material Foam sheet inexpensive spoiled piece can discarded since time spent shaping short point sanded surface rough finer grades sandpaper wont make smoother individual foam cells have broken leaving pitted texture requires filling use vinyl paste spackling compound filler spread over surface sufficient depth cover roughness dry part again sanded first No 60 paper remove heavy ridges compound followed No 100 paper provide smooth interior surface finished part foam reappears too much sand ing add another coat compound sand again Finally brush coating slightly di luted white glue smooth surface act barrier against penetration polyester resin foam epoxy resin white glue can omitted because epoxy wont attack foam White glue isnt necessary urethane foam cores Using two- four-oz fiberglass cloth cut approximate part shape cover part sections engine cowl wheel pant best cover two pieces cloth side two-oz weight material about three four layers needed give part adequate rigidity essential withstand average abuse ex pected model airplane parts Heavier cloth may build up satisfactory thickness two layers Lightweight -oz glass cloth isnt too wellsuited build-up layers endless Glass cloth conforms very well compound curves However may expedient slit cloth very deep curves slits will result overlapping material will leave ridge resin hardens must sanded smooth before subsequent layers added easy sand ing use Sig K&B finishing resin heavy polyester resin intended boat building auto * * * * WANDITTM * FAT PLN *Dealers Invited * * lulie yOir *Wet DryCORD * w * Stick Abrasives *A Keen Machine glues exceptiunal *sanding control eucellent finisti. * * eggs Basic md t flat Wand t * 6 grits *10895 Builder Special mcI 2 flat t half* und wand 5 5 grits *1 29~ Oelaue mnclades 3 flat 2 half * nd wands 1 buff wandts * S grits * *Additional Wands Abrasues available * local hubby shap *ADDIS ELMORE Eve No 12t4 288 5789 * Bun 266 uite Teous 75t49* 144 Model Aviation IEGAIN WACO NKS-7 GREAT LAKES SPECIAL PLAN$27OOppPf.AN$27OOpp EG Cowl$27OOppFG Cowl$27OOpp FG Potts$25OOpp ECONO PAC$49UpP ECONO-PAC$70OGpp SAVE$600 SAVE $908 Farinan Moustique plan$17OOtp I-1 IN STOCK run iviyionnn New 30 CID QUADRA $22450 New 22 CID QUADRA $10950 Req 22 QUADRA 810450 Brisighella FlywhealSl2450 Rag 22 QUADRA POWER ASSEMBLY ONLY86450 QUADRA REPAIR uso plus pans Jiw Messer ERCOUPEPLANS 82395 KIT 822995 Jiw Messer TOMAHAWK PLANS $2395 KIT 824995 Jin Messer 8-BALL TRAINER PLANS $1695 KIT 89996 BALSA BASSWOOD fall sixesl 35% OFF Concept FLEET PLANS $2995 KIT 817995 COWL 81995 P8W RADIAL ENGINES Fleet $2295 VICKERS LEWIS MACHINE GUN KITS 81495 CECONITE Products 10% OFF Sig J3 CUB KIT 812996 PLANS SUPER STEARMAN IGodfreyl $2900 STARDUSTER TOO h IBrisigheltal 55 J3 CUB Nelita 81995 VOLKSPLANE hlChiuken Chartiel $2396 COCKPIT KITS Towahawk F4U-1 Spitfire 82196 Ercoupe $1995 Snearwan $2295 Cinabria $2095 J2 Cub $1996 ME-109 82150 Fleet 82095 US Quadra FUELTANKSlEna $695 22o $796 FIBERGLASS ARROW SHAFTS 5116 x22 lung 6181000 24-Hour Service. Add 5250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View Dr gany NY 14706 dy repairs heavier resins build thickness ter sanding difficult Lay dry cloth over foam core brush through cloth stiff-bristled brush rdware stores have brushes desired Tness rolled metal handles ideal purpose called flux acid brushes used soldered tin work brush te cheap can thrown away forget clean immediately after use dope thinThe stiff bristles help force penetration through cloth fter resin hardens layer sand away lumps ridges Rough handling during sandof first cloth layers can leave dents m finger pressure After third layer dens part impervious damage idling sanding smooth exterior can re vigorous No 60 paper removes rough ges followed again No 100 open-coat er After sanding may observed raw s cloth exposed surface resin Id added cover areas enmore sanding risk exposing h endless procedure foam core can now removed chipping screw driver chisel followed light ling interior surfaces through spack compound residue foam could also oved dissolving gasoline thinner process messy slight stickiness re mains overall finishing touch coat inte rior resin exterior finish prefer fill good primer such K&B Ditzler No 32 Primer can sprayed brushed obtain metal-like surface sand primer No 180 open-coat sil icon carbide paper followed No 320 pol ishing out earlier sandpaper scratches Keep mind fiberglass cloth grain visible after sanding will reappear through final paint fin ish cloth should covered primer assured perfect smoothness finished part finishing schedule give part last lightly sprayed coating primer certain areas covered final prime coat sanded very lightly No 320 paper produce ultimate smoothness before painting Color coats can epoxy dope enamel acrylic Bob Dolls Wischer S-22 Lapham Peak Rd. Delafield WI 53018 RC Soaring/Pruss Continued page 53 have two persons view through larger ends other Adjust tripods beads neces sary see other through small 3/32-in tube ends field view will just barely permit tripod sighting unit seen opposite unit Since sighting tubes perpendicular sighting hoops no leveling bub bles leveling gadgets required hoops self-align parallel pattem left lock tripod adjustments place Setup Time About long takes string winch Advantages now already realize some units light portable easy realign moved quick take down relocate inexpensive accurate definitely advantage quick serious practice sessions also units used team selection Finals last Labor Day weekend As mentioned earlier four units made afternoon second two did use sighting tubes located position ing slaved off two master units line sight through planes B allowed freedom movement four flagmen base dur ing Distance task Speed task master units used others simply re moved item makes life simpler organizer measuring cable material available through aircraft supply houses Seven by-seven-stranded 3/64-in diameter works fine overkill regard strength Again practice found 200-meter length handy winch turnaround location Since winch line stretches cable helps provide answer few fliers RUBBER STRIP M RUBBER Made USA T6 1mm thick 042 XEO 16 ounces rubber per box ICE$1250 per box ppdin USA ELLI 3mm $180Oppd B TIMERS7 HUTOFF SEC $1195[ IIMtt0iI III IN DT~I $1195 SEND 5OFOR 1982/83 CA TALOG June 1983 145 ALL SHEET ONE PIECE AAA GRADE KILN DRIED SANDED TO CLOSE TOLERANCES PED 100% 36118x3173/8x1112 491116x426112x2 563132 x 430 671/8x437 76 85 115 139 48 49 58 PO50x39s7 TORRANCEcAgoslo beautiful Smooth flying WW1 classic machine SO wingspan 15 tbs using 91 engInes up SPECIAL EDITION KIT$32900 us 1200 parts very detailed construotioe msn,uIl Portabie power giow piogs fits shin pochst using HsadiooltTM sdepter shows stay plug get propeiler Reuhergeahis up 1000 times go day warranty No mote huihy hatteries tahles Order NiSTARTER either 110 220 12 volt fast oharger Instructions included Also aoaiiahle charger See decier order direct us Visa & Meatercard eucepted Please syocify type charger Add $150 ponsege USA NIHI lilSo. $21gS NIHL1E 220 n. 02105 NiHI-lA 12o adap. 52155NiHL1NC No charger 01205 12506 Giendondes Heredon VA 22011 USA 7034355955
Edition: Model Aviation - 1983/06
Page Numbers: 50, 51, 141, 144, 145
7 Bob shows us make set wheel pants fibergiassed foam 1 cardboard cutting template tne center rough-cut foam core left right wheel pant appears after sanding shapebut before being coated vinyl spackling compound R small hot-wire foam cutter used cardboard template cut outline wheel fairing blue Styrofoam sheet power supply box contains Powerstat variable transformer 26 V secondary isolation transformer latter safety-item Radio Control SCALE Bob & Dolly Wischer NEW RC FREQUENCIES recent local RC meeting District VII Frequency Coordinator Pete Waters present charts area showing location industrial transmit ters posed threat flying RC models disclosed local telephone company built transmitter commonly-used RC frequencies 7564 MHz few miles distant club flying field Without Petes help would have gone using 7564 until someone shot down loss trainer built few weeks lamentable model could also have Scale type 2000 hours build ing time Scale modelers particular need Fre quency Coordinators assistance reasonably certain clubs flying field isnt within range transmitters Coordinators rough-cut Styrofoam blank sanded shape using No 60 sandpaper wrapped around wooden block few minutes work its ready glasscertainly simpler tasks otherwise complex hobby name listed heading VicePresidents column AMA News Chartered clubs have asked contact Coordinator districts giving exact location club fields Contest Directors conduct Scale events should also aware frequencies usable Ryan SCW badly damaged Reno 7564 MHz local fliers told us recent interference frequency Un fortunately some us have flying years tend disregard such warnings basis so-called interference has often scapegoat accidents caused other problems Until get new narrow-band receivers moving new frequencies may avoid local interference Before flying valuable Scale air craft aware local frequency situation Composite construction spite nearvertical descent apron pavement Reno Ryan reassembly needed surprisingly few new parts fuselage aft wing spar completely demolished Supertigre now has new shaft crankcase Wings recov ered couple cracked ribs replaced stub spar carries through wing centersection mounts landing gear legs badly shattered needed replacement made up sandwich -in balsa core laminated between 1/16-in plywood outer Photo left shows two finished wheel pantsthe left has hollowed oot ready its primer coat other awaits removal foam coreby either chipping dissolving out photo right shows repairs Bobs Ryan SCW after its Reno crash 21-in-long stub spar protrudes plywood-faced end rib wing root note basket-handle ply-faced bulkhead across fuselage top survived crash firewall laminated live layers five-ply 1/16-in plywoodits tremendously strong Note homemade shock-absorbing landing gear legsone reason Bob didnt scrap wreck 50 Model Aviation skins addition about three ounces spar could made seven-ply 3Ar-in thick plywood save fabrication time done finished spar completely useless flexible wet noodleand met its end fireplace fuel new stub spar fabricated duplicate original lightweight sandwich much greater rigidity no regrets additional time spent Throughout construction Ryan least dozen other applications thin plywood laminated balsa air planes eventual survival indicates value feature Lamination done white glue under pressure gain strength minimum weight Main load-bearing bulkheads typical examples locations use composite con struction bulkhead visible within pro totype aircraft will usually quite small cross section Balsa alone used reproduce such bulkhead would weak ineffective loadbearing piece Adding thin layer 1/64 1/32 plywood its exterior flat surfaces will convert weak part greater strength added benefit increased realism appearance Edges parts laminated ply have charac teristic sharp appearance difficult obtain balsa tends round off due its softness feature particular value parts mate such joint wing meets fuselage plywood butting surface gives joint line sharp appearance much less conspicuous possible balsa surfaces maximum strength regard cost use graphite sheet laminating prefer C-clamps applying pressure laminating process part squeezed between flat boards using waxed paper prevent oozing glue contacting boards Actually will almost no ooze minimum glue used Parts need wetted glue good joint since surplus will squeezed out under pressure Lacking C-clamps pressure can come stack heavy books other conContinued page 141 BYRON __ F-86 SABRE JET ORIGINALS -Powered Patented B LJIJGV Ducted Fan Another Quality Product Worlds Leading Ducted Fan Specialists experience knowledge state-of-the-art ducted fan technology has produced another fascinating super scale jet experience rld famous F-86 Sabre unlike other ducted fan kits market 1/8 scale Byro-Jet powered fighter offers whole lot kit money item needed complete project included except course engine fan radio paint glue call approach Complete Kit Concept component has specially designed manufactured purchased meet specific quality performance dependability requirements Kit includes highly detailed fiberglass fuselage injection molded wings control surfaces precise die-cut wood parts wheels landing gear cockpit interior canopy decals plus assorted hardware required Unique Plug-In Wings & Aileron Linkage system also standard equipment make removing wings transport quick simple operation Optional Ouick-Connectors another Byron Originals ex clusive makes hooking up pneumatic retracts simple plugging wings things con sidered F-86 indeed product truly deserving Byron Originals trademark Plug-In Wings & Quick Pneumatic couplers 1J~4L -4/ 7/ 7/ / FactoryPlus PriceShipping $24500$850 $24000$850 6630$200 $22lOpr$150 required 4 line systemsl lorry No CODs Accepted SPECIFICATIONS Wing Span57 Wing Area684 sq Wing Loading30 oz psf Langtb Model H58 Length Model Dl62A Ready-to-fly wt11 lb Including Econokote covering & retractal PowerByro-Jet & Schnuerle 60 & 80s Channels4 5 w/retractsl Byron Originals PO Box 279 Ida Grove Ia 51445 USA 712-364-3165 TELEX 439012 IDAG June 1983 51 Bobs 1982 Scale World Champs entrya Ryan SCW reproduced prototypes polished aluminum finish burnished butyrate dope ship weighed 9 lb used Supertigre 60 power plexiglass canopy slides formed aluminum tracks SCW exceedingly graceful craft made now defunct think company called Plantation Models foam wing cut 10 years ago wife travelled Maryland Florida survived two moves down club members gave incentive finish observed almost slow builder Anyway after covering wing last weekend proceeded mount fixed gear binge ailerons Would believe Id almost gotten mount fixed landing gears years building retractable-landinggear airplanes caused forget some tech niques installing fixed gears came back quickly enough once got started though thought might useful present way setting up fixed gear installation start mounting engine fuselage putting correct-size prop block model up fiat surface using old shoe boxes books until airplane level prop clears floor table about inch measure distance bottom wing gear location floor nose gear plugs fuselage floor After subtracting half diameter respective wheels final bend points main gears nose gear can marked gear wires Goldberg adjustable axles being used easier bending gear wires Just clamp axles gear wires marked Dont forget file gear wire set screw axle will spin around slide up wire Some people solder adjustable axle gear wire after installation has checked Whichever technique used airplane should sit level doesnt either takeoff landing problems will result nose-high attitude will make bouncy landings because wing zant dump lift after touchdown decreasing its sngle attack nose-low attitude trouble lao because wing may actually develop nega live lift runway during takeoff run tnd make difficult rotate airplane akeoff Neither situation desirable fliers save lot trouble taking time woperly set up landing gears Ron Van Putie Ill Sleepy Oaks Rd Ft Wa/ Beach FL 32548 C Scale/Wiscer ontinued page 51 lenient weight white glue between balsa snd plywood pressure needs applied br hour have made good joints 20 ninutes temperature can raised lacing assembly warm spot may e wet glue outside joint intemally ure quite complete doubt about time equired make test sample Balsa will tear away ut glue joint remains intact Such tests ften performed full-scale construction vooden airplanes prove techniques Dons use nodel cement laminating needs air Iry Combinations materials help keep cate airplanes intact among worth vhite individualistic tricks building re ertoire arts foam insulation Wing cores made om foam plastic common other model Irts can also built up fiberglass cloth er foam core odd shapes ost likely candidates type construction ogine cowls wheel pants broad struts nacelles id fairings have made fiberglass over Continued page 144 4-40 STEEL KWIK-LINKS #9 4-413 links con structed top quality spring steel Control linkage hook-ups Cat No 304 2 $100 DU-BRO 4-40 KWIK-LINKS I12 rod iflClUdd / Cat No 306$ 75 sa NICKEL PLATED SOLDER LINKS new 4-40 solder links nickel plated easy soldering Cat No 3052 $100 SMALL NYLON HINGESSTANDARD NYLON HINGESHEAVY DUTY e HINGES Easy install precisionStrong smooth andBuilt heavy load DIJBRO molded rigid nylon hingesas easy install asheavy duty hinges ideal flash free lockedthe small the1/4 scale applications checked forheavy duty hingesThey use removable000 smoothness theIX cc factoryAll have sixtIIkj3/64 dia cotter pin holes each000 formax- um holding Ktz000 000 Cat No 1186 per pkg $106Cat No 116 6 per pkg $110Cat No 257 Cat No ii9 15 per pkg $195Cat No 117 15 per pltg $24915 per pkg$375 DUeBROS COMPLETE SELECTION OF BRASS PLATED OURA-COLLARS Enough stock threads will strip can re-worked other uses Both heavy duty regular collar sets complete Allen Wrench Cat No 244 43 7/32 1413116 QQ139 1/9 138 3/32 137 1116 [ Heavy duty $1 00-2 per set f----$ 80 per set sets gf 4 HEAVY DUTY 4-40 BALL LINK Cat No 259 Shown actual size new hefty ball link perfect 1/4 scale application Set includes heavy duty nylon socket 5 piece set $125 complete switch KWIK-SWITCH MOUNT mounting set Install battery switch anywhere fuse lage minutes drill 3/1 6 hole Cat No 203$175 4SF 0g DUBRO SNAP-ON BALL LINKS Bolt-on links threaded links links rivit shafts take care misalignment Tough nylon link snaps holds tight y Excellent offset steering servo throttle hook-ups Bolt $85 Threaded $85 Cat No 180 Cat No 181 Cat No 182 DUO BRO PRODUCTS INC 480 Banner Road Wauconda Illinois 60084 June 1983 141 Top Quality Name Can Depend NEW________ modeling radio repair So avoid inflated repair costs undue service time Radio South fast economical inCONIRO house radio service can depend Radio South customer satisfaction isnt just motto Its way life Let us put back control Losing control can night mare wrong response given command can take its toll yourmodel nerves r wallet Radio South know feel about hobby too avid RC enthusiasts ly half century combined experience Authorized sales & serVIS4 KRAFT______ 7vice JR PROPO radioro Line pment imported E Burgess Road .7Circus Hobbies Pensacola FL 32503904/478-6745 temporary foam cores core later removed chipping out finished hollow part Note Doe Mathews discovered foam can dissolved Out fiberglass skin immer sing finished part container gasoline make sure outdoors RMcM basis core blue insulation styrene foam sheet has fine grain easy sand ing doesnt need kind urethane impervious attack polyester resin Either kind will serve purposes Preferred sheet thickness 2 large parts made core can laminated using white glue adhesive find local supplier look under Insulation Yellow Pages Dow Sty rofoam order maintain basic exterior dimensions cardboard template used guide cutting foam actual cutting can done hot-wire cutter available isnt really necessary foam sheet readily cut ordinary hand tools circular saw can cut large sheet down manageable size can cut ordinary handsaw hot-wire cutter intended shaping wing panels much too large easy handling shorter made shape C 022-in diameter nichrome wire stretched across open end have tried music wire seems work equally well wire kept straight tension spring connected end Electric current must pass through spring because heating will cause loss elasticity safety standpoint power supply hotwire cutter must contain isolation transformer separate primary secondary windings avoid accidental shock touching exposed live connections powerstat variable transformer controls output ar rangement length hot wire can used wire temperature controlled optimum cutting speed small C-shaped cutter one-hand operation work piece held other hand using thumb hold cardboard tem plate place Lacking hot-wire cutter template becomes pattern tracing pencil outline cut jigsaw handsaw hand coping saw After initial shape has cut part roughly shaped first knife remove comers remainder shaping done sandpaper block No 60 coarse open-grtt paper Shaping very rapid some care must exercised avoid removing too much material Foam sheet inexpensive spoiled piece can discarded since time spent shaping short point sanded surface rough finer grades sandpaper wont make smoother individual foam cells have broken leaving pitted texture requires filling use vinyl paste spackling compound filler spread over surface sufficient depth cover roughness dry part again sanded first No 60 paper remove heavy ridges compound followed No 100 paper provide smooth interior surface finished part foam reappears too much sand ing add another coat compound sand again Finally brush coating slightly di luted white glue smooth surface act barrier against penetration polyester resin foam epoxy resin white glue can omitted because epoxy wont attack foam White glue isnt necessary urethane foam cores Using two- four-oz fiberglass cloth cut approximate part shape cover part sections engine cowl wheel pant best cover two pieces cloth side two-oz weight material about three four layers needed give part adequate rigidity essential withstand average abuse ex pected model airplane parts Heavier cloth may build up satisfactory thickness two layers Lightweight -oz glass cloth isnt too wellsuited build-up layers endless Glass cloth conforms very well compound curves However may expedient slit cloth very deep curves slits will result overlapping material will leave ridge resin hardens must sanded smooth before subsequent layers added easy sand ing use Sig K&B finishing resin heavy polyester resin intended boat building auto * * * * WANDITTM * FAT PLN *Dealers Invited * * lulie yOir *Wet DryCORD * w * Stick Abrasives *A Keen Machine glues exceptiunal *sanding control eucellent finisti. * * eggs Basic md t flat Wand t * 6 grits *10895 Builder Special mcI 2 flat t half* und wand 5 5 grits *1 29~ Oelaue mnclades 3 flat 2 half * nd wands 1 buff wandts * S grits * *Additional Wands Abrasues available * local hubby shap *ADDIS ELMORE Eve No 12t4 288 5789 * Bun 266 uite Teous 75t49* 144 Model Aviation IEGAIN WACO NKS-7 GREAT LAKES SPECIAL PLAN$27OOppPf.AN$27OOpp EG Cowl$27OOppFG Cowl$27OOpp FG Potts$25OOpp ECONO PAC$49UpP ECONO-PAC$70OGpp SAVE$600 SAVE $908 Farinan Moustique plan$17OOtp I-1 IN STOCK run iviyionnn New 30 CID QUADRA $22450 New 22 CID QUADRA $10950 Req 22 QUADRA 810450 Brisighella FlywhealSl2450 Rag 22 QUADRA POWER ASSEMBLY ONLY86450 QUADRA REPAIR uso plus pans Jiw Messer ERCOUPEPLANS 82395 KIT 822995 Jiw Messer TOMAHAWK PLANS $2395 KIT 824995 Jin Messer 8-BALL TRAINER PLANS $1695 KIT 89996 BALSA BASSWOOD fall sixesl 35% OFF Concept FLEET PLANS $2995 KIT 817995 COWL 81995 P8W RADIAL ENGINES Fleet $2295 VICKERS LEWIS MACHINE GUN KITS 81495 CECONITE Products 10% OFF Sig J3 CUB KIT 812996 PLANS SUPER STEARMAN IGodfreyl $2900 STARDUSTER TOO h IBrisigheltal 55 J3 CUB Nelita 81995 VOLKSPLANE hlChiuken Chartiel $2396 COCKPIT KITS Towahawk F4U-1 Spitfire 82196 Ercoupe $1995 Snearwan $2295 Cinabria $2095 J2 Cub $1996 ME-109 82150 Fleet 82095 US Quadra FUELTANKSlEna $695 22o $796 FIBERGLASS ARROW SHAFTS 5116 x22 lung 6181000 24-Hour Service. Add 5250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View Dr gany NY 14706 dy repairs heavier resins build thickness ter sanding difficult Lay dry cloth over foam core brush through cloth stiff-bristled brush rdware stores have brushes desired Tness rolled metal handles ideal purpose called flux acid brushes used soldered tin work brush te cheap can thrown away forget clean immediately after use dope thinThe stiff bristles help force penetration through cloth fter resin hardens layer sand away lumps ridges Rough handling during sandof first cloth layers can leave dents m finger pressure After third layer dens part impervious damage idling sanding smooth exterior can re vigorous No 60 paper removes rough ges followed again No 100 open-coat er After sanding may observed raw s cloth exposed surface resin Id added cover areas enmore sanding risk exposing h endless procedure foam core can now removed chipping screw driver chisel followed light ling interior surfaces through spack compound residue foam could also oved dissolving gasoline thinner process messy slight stickiness re mains overall finishing touch coat inte rior resin exterior finish prefer fill good primer such K&B Ditzler No 32 Primer can sprayed brushed obtain metal-like surface sand primer No 180 open-coat sil icon carbide paper followed No 320 pol ishing out earlier sandpaper scratches Keep mind fiberglass cloth grain visible after sanding will reappear through final paint fin ish cloth should covered primer assured perfect smoothness finished part finishing schedule give part last lightly sprayed coating primer certain areas covered final prime coat sanded very lightly No 320 paper produce ultimate smoothness before painting Color coats can epoxy dope enamel acrylic Bob Dolls Wischer S-22 Lapham Peak Rd. Delafield WI 53018 RC Soaring/Pruss Continued page 53 have two persons view through larger ends other Adjust tripods beads neces sary see other through small 3/32-in tube ends field view will just barely permit tripod sighting unit seen opposite unit Since sighting tubes perpendicular sighting hoops no leveling bub bles leveling gadgets required hoops self-align parallel pattem left lock tripod adjustments place Setup Time About long takes string winch Advantages now already realize some units light portable easy realign moved quick take down relocate inexpensive accurate definitely advantage quick serious practice sessions also units used team selection Finals last Labor Day weekend As mentioned earlier four units made afternoon second two did use sighting tubes located position ing slaved off two master units line sight through planes B allowed freedom movement four flagmen base dur ing Distance task Speed task master units used others simply re moved item makes life simpler organizer measuring cable material available through aircraft supply houses Seven by-seven-stranded 3/64-in diameter works fine overkill regard strength Again practice found 200-meter length handy winch turnaround location Since winch line stretches cable helps provide answer few fliers RUBBER STRIP M RUBBER Made USA T6 1mm thick 042 XEO 16 ounces rubber per box ICE$1250 per box ppdin USA ELLI 3mm $180Oppd B TIMERS7 HUTOFF SEC $1195[ IIMtt0iI III IN DT~I $1195 SEND 5OFOR 1982/83 CA TALOG June 1983 145 ALL SHEET ONE PIECE AAA GRADE KILN DRIED SANDED TO CLOSE TOLERANCES PED 100% 36118x3173/8x1112 491116x426112x2 563132 x 430 671/8x437 76 85 115 139 48 49 58 PO50x39s7 TORRANCEcAgoslo beautiful Smooth flying WW1 classic machine SO wingspan 15 tbs using 91 engInes up SPECIAL EDITION KIT$32900 us 1200 parts very detailed construotioe msn,uIl Portabie power giow piogs fits shin pochst using HsadiooltTM sdepter shows stay plug get propeiler Reuhergeahis up 1000 times go day warranty No mote huihy hatteries tahles Order NiSTARTER either 110 220 12 volt fast oharger Instructions included Also aoaiiahle charger See decier order direct us Visa & Meatercard eucepted Please syocify type charger Add $150 ponsege USA NIHI lilSo. $21gS NIHL1E 220 n. 02105 NiHI-lA 12o adap. 52155NiHL1NC No charger 01205 12506 Giendondes Heredon VA 22011 USA 7034355955