Control Scale Bob & Dolly Wischer NASA Proposals National Association Scale Aeromodelers asking membership opinion proposal bring 1982 Scale World Championship US As readers column will remember USSR asked host contest event Stand-off Scale though class now popular throughout modeling world proposed World Championship would held Reno NV field used air races June 1982 bid NASA would include CL RC Precision Scale RC Stand-off Scale well possibility International events Free Flight Scale RC Giant Scale Accommodations contestants could University Nevada dormitories Circus Circus Hotel would no financial burden NASA membership manpower conduct event would necessary Approval NASA mem bers being asked now official bid can made during FAI plenary session Paris December second NASA proposal would shift team selection future international events Nats done presently Masters Tourna ment Nats several other regional con tests would serve eliminations deter modelers eligible compete Masters meet Foam-core wings usual method reinforc ing center joint foam-core wing employs fiberglass bandage epoxied balsa sheeting wing center leaves unsightly bulge edges easily blended surface Sanding sometimes does harm wearing away balsa sandpaper block slips off fiberglass forming groove along raised edge exaggerate demarcation addition filler much sanding wing surface finally ready finishing Tom Massopust come up system fiberglass reinforcement foam wing center joints requires no sanding filling suggests placing glass bandage beneath balsa sheet covering adds same strength unwanted bulge two foam-core halves epoxied together wing center sheet balsa coverings prepared usual fiberglass strip cut necessary width Pencil lines drawn foam show width fiberglass cover also interior surfaces prepared balsa coverings areas lines outward wing tips coated contact cement both foam balsa cement almost dry mix batch slow-harden ing epoxy spread onthe foam between pencil lines also marked-off area balsa Lay fiberglass cloth wet epoxy foam making certain com pletely saturated contact cement dry press right left balsa coverings onto foam usual manner proceed squeeze much epoxy possible through center joint toward leading trailing edges Tape balsa edges epoxied area make certain will lift Small weights useful keep balsa foam close contact fiberglass epoxy hardens oozing surplus epoxy removed absorbent tissue Because contact cement glves instant bond between balsa foam almost epoxy will migrate over cemented section help another palr hands top bottom wing can done onetime two separate operations help Single sides surface can covered separately little care wing centerline certain bead epoxy doesnt remain joint line spoil fit next balsa sheet After adding edges tips light sanding sheet makes wing ready popular coverings MonoKote Coverite Fabri Kote Koverall doped fabrics However finish 3A-oz glass cloth polyester resin make certain no epoxy remains outer wing surface Some resins will harden 38 Model Aviation Randy Wrisleys Quarter Scale model British-registered Pou du Cell Flying Fleaor accurately Louse Sky spans mere 66-in Its powered Saito 4-cycle 40 engine noner prize-winning moaci seen ax inc MRL snow nis upermarine S-5 Schneider Cup racer built David Johnson won 2nd Civil Aircraft class photos month Bill Wischer Special Award MACS show went Fairey Swordfish Gary Brounstein British used during WW II anti-submarine warfare attack aircraft Prototype very large single-engine Jim Meisters Douglas SBD-5 won 1st Military Scale Long Beach CA Model Craft Show MACS applied over epoxy dope cellulose model cements resin remains gummy eventually will blemish finish Toms method gives us smooth wing exterior Scale models need Scratched canopy repairs Altitude newsletter Long Island Aero Radio Society comes builders hint Roy Vaillancourt method saving canopy windshield has accidentally scratched sanding nearby surfaces Roy suggests masking frame surrounding scratched plastic Using No 600 wet-or-dry sandpaper water sand entire canopy until becomes foggy like fine frosted glass concentrating deep scratches Remove wet masking tape mask again fresh tape cover adjoining areas preparation spray ing Mix Hobbypoxy clear gloss hardener about 20% thinner Let mixture set about 15 minutes before using Spray light coat over sanded area Wait five minutes repeat wet coat canopy should now clear apply wet coat After 24 hr mask can removed fine dust specks have appeared finish can removed buffing auto wax contains cleaner extra servos Scale models getting larger included Giant Scale class using servos additional functions increase size hearing tales about effect long extension cords servos batteries made necessary greater size need use batteries ballast nose far receiver Douglas A-20G has 10 servos three wheel retraction have thr own batteries other seven receiver batteries Both sets Ni-cads located long nose plane extension cords about 2-ft length retracts also use long extension cords wing nose gear range checking model us have observed servos will chatter extreme range small amount interference picked up long extension cords can shorten range have used ammeter series battery leads check current flow uttering occurs seven servos meter needle Continued page 118 September 1981 39 Bert Ayers Dassault Mirage III Jet Hangar Hobbies kit wesTlaKes rcoupe won 151 i.VII ociate Editor never knew Ercoupes flew military markings MIDWEST PRODUCTS COMPANY INC 4005 IndIana St Hobart Indiana 46342 219942-1134 Send $100 catalog Dont floater LET YOUR RIG RtRD PL Quadra other similar engine doesnt quite job heres will 37 Cu engine develops almost 4 hp yet weighs pound over Quadra has power pull Byron Pitts straight upwithout prop reduction also takes no space Quadrait will fit entirely inside cowl Nosen D unexposed stripped chain-saw motor engine manufactured USA miniature aircraft use Comes complete ready run year 100% warranty COMPLFT MODIFIED 37 ENGINE Fact" C S HE HEAD LOCK NEW STANDARD III FOR GLOW PLUG CONNECTORS CHECK THESE FEATURES 1ush twist Its kicked onI Still $2932 Push twist its eff 3WIII stj favorite eff weder heavy wr ai wrjwdivctgdd5OG $7 otsw cnact 30 inch lead wire MODEL PRODUCTS CORP BOX 314 PomptonPlainsaNJ07444 CARBON FIBER TAPE,,Friends 005 x 125 wideAEROCLUBOF ISRAEL Join us support Write 25ft50 ft100 ft ational & international $895$1495$2695vents Israeli modelers $100 ph 14702 29th Ave SLOPE ASSOCIATES2317 fl 63dcud Flushing NY 11354 SEATTLE A/A 98103 thing angle attack airplane increases tends take off again course hotter landing worse bounce will going boing boing boing down runway no fun Keep main gear struts vertical landings should improve dramati cally May loops round unless supposed square triangular Ron Van Putte 111 Sleepy Oaks Dr Fort Walton Beach FL 32548 RC Scale/Wischers Continued page 39 higher figure After number flights batteries low bit interference could result suddenly-dead receiver Using long extension cords six seven servos seems asking trouble Since model probably needs additional nose weight would make sense use larger batteries 1 aH 12 aH rating Ferrite beads can also used long extension cords strung red black wires spaced about 10 inches reduce risk interference receiver antenna should kept away extension cords wiring should inspected broken strands solder joints Plugs sockets separated often can additional noise source Forming small parts have vacuumforming small parts Mattel Vac-U-Form toy have become scarce very difficult find Anyone having MonoKote heat gun can get similar results stretchmolding parts made ABS plastic styrene mold carved balsa sanded given serveral coats polyester resin harden surface sanded smooth convenience mold should fastened end hardwood dowel square strip can mounted securely vise otherwise held vertical position molding surface facing upward plastic sheet formed fastened masking tape piece plywood has hole near its center larger mold heat guns warms plastic until begins sag plastic side down plywood holder pressed down over mold held plastic cools After trimming edges part complete best results plywood holder should have hole similar outline mold shape somewhat larger need have exact shape shouldnt greatly oversize also helps warm mold heat gun plastic will cool too quickly upon contact mold permits time stretching operation reduces pressure required Most likely parts candi dates needed quantity example 14 18 rocker amil oumps radial-engine cowl Bob Dolly Wischer Rt 1 S-22lLapham Peak Rd Delafield WI 53018 RC Soaring/Pruss Continued page 41 split buddy requests honored pos sible Half fliers say blue-and-white go field other half go field B same other frequencies day two fliers switch fields Communication CR radio Bob claims two contests have allowed flights per contestant have also allowed schedule didnt start flying crack dawn end sunset Nice care details write Bob Steele 10173 St Joe Road Ft Wayne IN 46815 Egg Face Department line retrieval system reported June 1981 issue Model Aviation credited DCRC group Actually version picture built members DCRC original idea belongs members Valley Forge Signal Seekers Inc Tom Greet Ted Davey devel oped original fall 1978 early 1979 Gerry Cavanaugh also sent some details including fact molded wheel/rim shown June issue much better common bicycle spoke wheel Word retrieval units will available commercially can get further information writing Ted Davey 1 Wood Lane Malvern PA 19355 Gerry Cavanaugh 224 Swedesford Road Malvern PA 19355 Touch Class LSF booth Toledo Level Vs dropped pleasantly sur prised saw Level V forms perma nently mounted walnut plaques presented individuals some forms carried tool boxes years helped revive old stories about done stories Level V Chris Adams Ken Batess Pat Flynn Don Harris Good lift Dan Pruss Rt 2 Box 49D Plainfield IL 60544 118 ModelAviation Modified 37 Package $18995 Roper 19 Still best value big-scale engines4995 19 Factory-demo Special 3495 Props 22 24-10 Now Avail Special 19 Eng 5995 NOTE mounts & hubs same price both engines Send check MO. orwili ship COD ups A. g & handinos enoine Send fr, uiries invited ftute 2 aefter fluctuates rapidly seems indicate well over ampere quite load place 500 maH battery pack Air loads control surfaces would increase current draw a
Edition: Model Aviation - 1981/09
Page Numbers: 38, 39, 118
Control Scale Bob & Dolly Wischer NASA Proposals National Association Scale Aeromodelers asking membership opinion proposal bring 1982 Scale World Championship US As readers column will remember USSR asked host contest event Stand-off Scale though class now popular throughout modeling world proposed World Championship would held Reno NV field used air races June 1982 bid NASA would include CL RC Precision Scale RC Stand-off Scale well possibility International events Free Flight Scale RC Giant Scale Accommodations contestants could University Nevada dormitories Circus Circus Hotel would no financial burden NASA membership manpower conduct event would necessary Approval NASA mem bers being asked now official bid can made during FAI plenary session Paris December second NASA proposal would shift team selection future international events Nats done presently Masters Tourna ment Nats several other regional con tests would serve eliminations deter modelers eligible compete Masters meet Foam-core wings usual method reinforc ing center joint foam-core wing employs fiberglass bandage epoxied balsa sheeting wing center leaves unsightly bulge edges easily blended surface Sanding sometimes does harm wearing away balsa sandpaper block slips off fiberglass forming groove along raised edge exaggerate demarcation addition filler much sanding wing surface finally ready finishing Tom Massopust come up system fiberglass reinforcement foam wing center joints requires no sanding filling suggests placing glass bandage beneath balsa sheet covering adds same strength unwanted bulge two foam-core halves epoxied together wing center sheet balsa coverings prepared usual fiberglass strip cut necessary width Pencil lines drawn foam show width fiberglass cover also interior surfaces prepared balsa coverings areas lines outward wing tips coated contact cement both foam balsa cement almost dry mix batch slow-harden ing epoxy spread onthe foam between pencil lines also marked-off area balsa Lay fiberglass cloth wet epoxy foam making certain com pletely saturated contact cement dry press right left balsa coverings onto foam usual manner proceed squeeze much epoxy possible through center joint toward leading trailing edges Tape balsa edges epoxied area make certain will lift Small weights useful keep balsa foam close contact fiberglass epoxy hardens oozing surplus epoxy removed absorbent tissue Because contact cement glves instant bond between balsa foam almost epoxy will migrate over cemented section help another palr hands top bottom wing can done onetime two separate operations help Single sides surface can covered separately little care wing centerline certain bead epoxy doesnt remain joint line spoil fit next balsa sheet After adding edges tips light sanding sheet makes wing ready popular coverings MonoKote Coverite Fabri Kote Koverall doped fabrics However finish 3A-oz glass cloth polyester resin make certain no epoxy remains outer wing surface Some resins will harden 38 Model Aviation Randy Wrisleys Quarter Scale model British-registered Pou du Cell Flying Fleaor accurately Louse Sky spans mere 66-in Its powered Saito 4-cycle 40 engine noner prize-winning moaci seen ax inc MRL snow nis upermarine S-5 Schneider Cup racer built David Johnson won 2nd Civil Aircraft class photos month Bill Wischer Special Award MACS show went Fairey Swordfish Gary Brounstein British used during WW II anti-submarine warfare attack aircraft Prototype very large single-engine Jim Meisters Douglas SBD-5 won 1st Military Scale Long Beach CA Model Craft Show MACS applied over epoxy dope cellulose model cements resin remains gummy eventually will blemish finish Toms method gives us smooth wing exterior Scale models need Scratched canopy repairs Altitude newsletter Long Island Aero Radio Society comes builders hint Roy Vaillancourt method saving canopy windshield has accidentally scratched sanding nearby surfaces Roy suggests masking frame surrounding scratched plastic Using No 600 wet-or-dry sandpaper water sand entire canopy until becomes foggy like fine frosted glass concentrating deep scratches Remove wet masking tape mask again fresh tape cover adjoining areas preparation spray ing Mix Hobbypoxy clear gloss hardener about 20% thinner Let mixture set about 15 minutes before using Spray light coat over sanded area Wait five minutes repeat wet coat canopy should now clear apply wet coat After 24 hr mask can removed fine dust specks have appeared finish can removed buffing auto wax contains cleaner extra servos Scale models getting larger included Giant Scale class using servos additional functions increase size hearing tales about effect long extension cords servos batteries made necessary greater size need use batteries ballast nose far receiver Douglas A-20G has 10 servos three wheel retraction have thr own batteries other seven receiver batteries Both sets Ni-cads located long nose plane extension cords about 2-ft length retracts also use long extension cords wing nose gear range checking model us have observed servos will chatter extreme range small amount interference picked up long extension cords can shorten range have used ammeter series battery leads check current flow uttering occurs seven servos meter needle Continued page 118 September 1981 39 Bert Ayers Dassault Mirage III Jet Hangar Hobbies kit wesTlaKes rcoupe won 151 i.VII ociate Editor never knew Ercoupes flew military markings MIDWEST PRODUCTS COMPANY INC 4005 IndIana St Hobart Indiana 46342 219942-1134 Send $100 catalog Dont floater LET YOUR RIG RtRD PL Quadra other similar engine doesnt quite job heres will 37 Cu engine develops almost 4 hp yet weighs pound over Quadra has power pull Byron Pitts straight upwithout prop reduction also takes no space Quadrait will fit entirely inside cowl Nosen D unexposed stripped chain-saw motor engine manufactured USA miniature aircraft use Comes complete ready run year 100% warranty COMPLFT MODIFIED 37 ENGINE Fact" C S HE HEAD LOCK NEW STANDARD III FOR GLOW PLUG CONNECTORS CHECK THESE FEATURES 1ush twist Its kicked onI Still $2932 Push twist its eff 3WIII stj favorite eff weder heavy wr ai wrjwdivctgdd5OG $7 otsw cnact 30 inch lead wire MODEL PRODUCTS CORP BOX 314 PomptonPlainsaNJ07444 CARBON FIBER TAPE,,Friends 005 x 125 wideAEROCLUBOF ISRAEL Join us support Write 25ft50 ft100 ft ational & international $895$1495$2695vents Israeli modelers $100 ph 14702 29th Ave SLOPE ASSOCIATES2317 fl 63dcud Flushing NY 11354 SEATTLE A/A 98103 thing angle attack airplane increases tends take off again course hotter landing worse bounce will going boing boing boing down runway no fun Keep main gear struts vertical landings should improve dramati cally May loops round unless supposed square triangular Ron Van Putte 111 Sleepy Oaks Dr Fort Walton Beach FL 32548 RC Scale/Wischers Continued page 39 higher figure After number flights batteries low bit interference could result suddenly-dead receiver Using long extension cords six seven servos seems asking trouble Since model probably needs additional nose weight would make sense use larger batteries 1 aH 12 aH rating Ferrite beads can also used long extension cords strung red black wires spaced about 10 inches reduce risk interference receiver antenna should kept away extension cords wiring should inspected broken strands solder joints Plugs sockets separated often can additional noise source Forming small parts have vacuumforming small parts Mattel Vac-U-Form toy have become scarce very difficult find Anyone having MonoKote heat gun can get similar results stretchmolding parts made ABS plastic styrene mold carved balsa sanded given serveral coats polyester resin harden surface sanded smooth convenience mold should fastened end hardwood dowel square strip can mounted securely vise otherwise held vertical position molding surface facing upward plastic sheet formed fastened masking tape piece plywood has hole near its center larger mold heat guns warms plastic until begins sag plastic side down plywood holder pressed down over mold held plastic cools After trimming edges part complete best results plywood holder should have hole similar outline mold shape somewhat larger need have exact shape shouldnt greatly oversize also helps warm mold heat gun plastic will cool too quickly upon contact mold permits time stretching operation reduces pressure required Most likely parts candi dates needed quantity example 14 18 rocker amil oumps radial-engine cowl Bob Dolly Wischer Rt 1 S-22lLapham Peak Rd Delafield WI 53018 RC Soaring/Pruss Continued page 41 split buddy requests honored pos sible Half fliers say blue-and-white go field other half go field B same other frequencies day two fliers switch fields Communication CR radio Bob claims two contests have allowed flights per contestant have also allowed schedule didnt start flying crack dawn end sunset Nice care details write Bob Steele 10173 St Joe Road Ft Wayne IN 46815 Egg Face Department line retrieval system reported June 1981 issue Model Aviation credited DCRC group Actually version picture built members DCRC original idea belongs members Valley Forge Signal Seekers Inc Tom Greet Ted Davey devel oped original fall 1978 early 1979 Gerry Cavanaugh also sent some details including fact molded wheel/rim shown June issue much better common bicycle spoke wheel Word retrieval units will available commercially can get further information writing Ted Davey 1 Wood Lane Malvern PA 19355 Gerry Cavanaugh 224 Swedesford Road Malvern PA 19355 Touch Class LSF booth Toledo Level Vs dropped pleasantly sur prised saw Level V forms perma nently mounted walnut plaques presented individuals some forms carried tool boxes years helped revive old stories about done stories Level V Chris Adams Ken Batess Pat Flynn Don Harris Good lift Dan Pruss Rt 2 Box 49D Plainfield IL 60544 118 ModelAviation Modified 37 Package $18995 Roper 19 Still best value big-scale engines4995 19 Factory-demo Special 3495 Props 22 24-10 Now Avail Special 19 Eng 5995 NOTE mounts & hubs same price both engines Send check MO. orwili ship COD ups A. g & handinos enoine Send fr, uiries invited ftute 2 aefter fluctuates rapidly seems indicate well over ampere quite load place 500 maH battery pack Air loads control surfaces would increase current draw a
Edition: Model Aviation - 1981/09
Page Numbers: 38, 39, 118
Control Scale Bob & Dolly Wischer NASA Proposals National Association Scale Aeromodelers asking membership opinion proposal bring 1982 Scale World Championship US As readers column will remember USSR asked host contest event Stand-off Scale though class now popular throughout modeling world proposed World Championship would held Reno NV field used air races June 1982 bid NASA would include CL RC Precision Scale RC Stand-off Scale well possibility International events Free Flight Scale RC Giant Scale Accommodations contestants could University Nevada dormitories Circus Circus Hotel would no financial burden NASA membership manpower conduct event would necessary Approval NASA mem bers being asked now official bid can made during FAI plenary session Paris December second NASA proposal would shift team selection future international events Nats done presently Masters Tourna ment Nats several other regional con tests would serve eliminations deter modelers eligible compete Masters meet Foam-core wings usual method reinforc ing center joint foam-core wing employs fiberglass bandage epoxied balsa sheeting wing center leaves unsightly bulge edges easily blended surface Sanding sometimes does harm wearing away balsa sandpaper block slips off fiberglass forming groove along raised edge exaggerate demarcation addition filler much sanding wing surface finally ready finishing Tom Massopust come up system fiberglass reinforcement foam wing center joints requires no sanding filling suggests placing glass bandage beneath balsa sheet covering adds same strength unwanted bulge two foam-core halves epoxied together wing center sheet balsa coverings prepared usual fiberglass strip cut necessary width Pencil lines drawn foam show width fiberglass cover also interior surfaces prepared balsa coverings areas lines outward wing tips coated contact cement both foam balsa cement almost dry mix batch slow-harden ing epoxy spread onthe foam between pencil lines also marked-off area balsa Lay fiberglass cloth wet epoxy foam making certain com pletely saturated contact cement dry press right left balsa coverings onto foam usual manner proceed squeeze much epoxy possible through center joint toward leading trailing edges Tape balsa edges epoxied area make certain will lift Small weights useful keep balsa foam close contact fiberglass epoxy hardens oozing surplus epoxy removed absorbent tissue Because contact cement glves instant bond between balsa foam almost epoxy will migrate over cemented section help another palr hands top bottom wing can done onetime two separate operations help Single sides surface can covered separately little care wing centerline certain bead epoxy doesnt remain joint line spoil fit next balsa sheet After adding edges tips light sanding sheet makes wing ready popular coverings MonoKote Coverite Fabri Kote Koverall doped fabrics However finish 3A-oz glass cloth polyester resin make certain no epoxy remains outer wing surface Some resins will harden 38 Model Aviation Randy Wrisleys Quarter Scale model British-registered Pou du Cell Flying Fleaor accurately Louse Sky spans mere 66-in Its powered Saito 4-cycle 40 engine noner prize-winning moaci seen ax inc MRL snow nis upermarine S-5 Schneider Cup racer built David Johnson won 2nd Civil Aircraft class photos month Bill Wischer Special Award MACS show went Fairey Swordfish Gary Brounstein British used during WW II anti-submarine warfare attack aircraft Prototype very large single-engine Jim Meisters Douglas SBD-5 won 1st Military Scale Long Beach CA Model Craft Show MACS applied over epoxy dope cellulose model cements resin remains gummy eventually will blemish finish Toms method gives us smooth wing exterior Scale models need Scratched canopy repairs Altitude newsletter Long Island Aero Radio Society comes builders hint Roy Vaillancourt method saving canopy windshield has accidentally scratched sanding nearby surfaces Roy suggests masking frame surrounding scratched plastic Using No 600 wet-or-dry sandpaper water sand entire canopy until becomes foggy like fine frosted glass concentrating deep scratches Remove wet masking tape mask again fresh tape cover adjoining areas preparation spray ing Mix Hobbypoxy clear gloss hardener about 20% thinner Let mixture set about 15 minutes before using Spray light coat over sanded area Wait five minutes repeat wet coat canopy should now clear apply wet coat After 24 hr mask can removed fine dust specks have appeared finish can removed buffing auto wax contains cleaner extra servos Scale models getting larger included Giant Scale class using servos additional functions increase size hearing tales about effect long extension cords servos batteries made necessary greater size need use batteries ballast nose far receiver Douglas A-20G has 10 servos three wheel retraction have thr own batteries other seven receiver batteries Both sets Ni-cads located long nose plane extension cords about 2-ft length retracts also use long extension cords wing nose gear range checking model us have observed servos will chatter extreme range small amount interference picked up long extension cords can shorten range have used ammeter series battery leads check current flow uttering occurs seven servos meter needle Continued page 118 September 1981 39 Bert Ayers Dassault Mirage III Jet Hangar Hobbies kit wesTlaKes rcoupe won 151 i.VII ociate Editor never knew Ercoupes flew military markings MIDWEST PRODUCTS COMPANY INC 4005 IndIana St Hobart Indiana 46342 219942-1134 Send $100 catalog Dont floater LET YOUR RIG RtRD PL Quadra other similar engine doesnt quite job heres will 37 Cu engine develops almost 4 hp yet weighs pound over Quadra has power pull Byron Pitts straight upwithout prop reduction also takes no space Quadrait will fit entirely inside cowl Nosen D unexposed stripped chain-saw motor engine manufactured USA miniature aircraft use Comes complete ready run year 100% warranty COMPLFT MODIFIED 37 ENGINE Fact" C S HE HEAD LOCK NEW STANDARD III FOR GLOW PLUG CONNECTORS CHECK THESE FEATURES 1ush twist Its kicked onI Still $2932 Push twist its eff 3WIII stj favorite eff weder heavy wr ai wrjwdivctgdd5OG $7 otsw cnact 30 inch lead wire MODEL PRODUCTS CORP BOX 314 PomptonPlainsaNJ07444 CARBON FIBER TAPE,,Friends 005 x 125 wideAEROCLUBOF ISRAEL Join us support Write 25ft50 ft100 ft ational & international $895$1495$2695vents Israeli modelers $100 ph 14702 29th Ave SLOPE ASSOCIATES2317 fl 63dcud Flushing NY 11354 SEATTLE A/A 98103 thing angle attack airplane increases tends take off again course hotter landing worse bounce will going boing boing boing down runway no fun Keep main gear struts vertical landings should improve dramati cally May loops round unless supposed square triangular Ron Van Putte 111 Sleepy Oaks Dr Fort Walton Beach FL 32548 RC Scale/Wischers Continued page 39 higher figure After number flights batteries low bit interference could result suddenly-dead receiver Using long extension cords six seven servos seems asking trouble Since model probably needs additional nose weight would make sense use larger batteries 1 aH 12 aH rating Ferrite beads can also used long extension cords strung red black wires spaced about 10 inches reduce risk interference receiver antenna should kept away extension cords wiring should inspected broken strands solder joints Plugs sockets separated often can additional noise source Forming small parts have vacuumforming small parts Mattel Vac-U-Form toy have become scarce very difficult find Anyone having MonoKote heat gun can get similar results stretchmolding parts made ABS plastic styrene mold carved balsa sanded given serveral coats polyester resin harden surface sanded smooth convenience mold should fastened end hardwood dowel square strip can mounted securely vise otherwise held vertical position molding surface facing upward plastic sheet formed fastened masking tape piece plywood has hole near its center larger mold heat guns warms plastic until begins sag plastic side down plywood holder pressed down over mold held plastic cools After trimming edges part complete best results plywood holder should have hole similar outline mold shape somewhat larger need have exact shape shouldnt greatly oversize also helps warm mold heat gun plastic will cool too quickly upon contact mold permits time stretching operation reduces pressure required Most likely parts candi dates needed quantity example 14 18 rocker amil oumps radial-engine cowl Bob Dolly Wischer Rt 1 S-22lLapham Peak Rd Delafield WI 53018 RC Soaring/Pruss Continued page 41 split buddy requests honored pos sible Half fliers say blue-and-white go field other half go field B same other frequencies day two fliers switch fields Communication CR radio Bob claims two contests have allowed flights per contestant have also allowed schedule didnt start flying crack dawn end sunset Nice care details write Bob Steele 10173 St Joe Road Ft Wayne IN 46815 Egg Face Department line retrieval system reported June 1981 issue Model Aviation credited DCRC group Actually version picture built members DCRC original idea belongs members Valley Forge Signal Seekers Inc Tom Greet Ted Davey devel oped original fall 1978 early 1979 Gerry Cavanaugh also sent some details including fact molded wheel/rim shown June issue much better common bicycle spoke wheel Word retrieval units will available commercially can get further information writing Ted Davey 1 Wood Lane Malvern PA 19355 Gerry Cavanaugh 224 Swedesford Road Malvern PA 19355 Touch Class LSF booth Toledo Level Vs dropped pleasantly sur prised saw Level V forms perma nently mounted walnut plaques presented individuals some forms carried tool boxes years helped revive old stories about done stories Level V Chris Adams Ken Batess Pat Flynn Don Harris Good lift Dan Pruss Rt 2 Box 49D Plainfield IL 60544 118 ModelAviation Modified 37 Package $18995 Roper 19 Still best value big-scale engines4995 19 Factory-demo Special 3495 Props 22 24-10 Now Avail Special 19 Eng 5995 NOTE mounts & hubs same price both engines Send check MO. orwili ship COD ups A. g & handinos enoine Send fr, uiries invited ftute 2 aefter fluctuates rapidly seems indicate well over ampere quite load place 500 maH battery pack Air loads control surfaces would increase current draw a