RADIO CONTROL GIANTS Foam foam rangeor words effect two schools thought about using polystyrene foam construct RC models Giant Scale models particular first group feels using foam produces models heavier need second considers foam speed model construction provide wings maintain airfoil better root tip accept slight increase weight necessary evil lean toward second school thought model-building situations foam may used good effect pose unreasonable weight penalty Ill point out three examples illustrate contention Polystyrene foam blue variety particular may used produce fiberglass masters plugs fiberglass model parts may cast Laminated large blocks entire fuselages may carved sanded hotwired short order does take degree skill remove foam doesnt look like fuselage Scale model intend produce However since foam relatively inexpensive second try wont cost much goof first try foam sculpting Minor dings major contour errors may corrected simply cutting out offending portions inserting fresh foam block lamination having again beauty technique may accomplished using nothing other varying grits sandpaper intention produce female fiberglass mold foam solid model two things must considered First centerline foam part should fall between two foam laminations sheets paper should inserted between before begin carving Thus splitting resulting fuselage symmetrical halves should uncomplicated Second completed foam part should sealed smoothed foamcompatible filler Japanese tissue sealed place followed several coats fillerafter dedicated sandingwill produce ideal glass-smooth subject producing two-part mold Good friend George Fisher advocate technique used produce quarter-scale model Art Chesters Goon George went far make entire fuselage spinner rudder post piece George built crutch assembly accept firewall wing stabilizer supports retractable landing gear shelf inside completed fiberglass fuselage cut along scale rear cowl line made simple insert structural crutch epoxy place About 12 years ago designed 115inch-span Martin B- 10 bomber has composite foam wing wings rectangular planform center section supports two engine nacelles retractable landing gear assemblies consists balsa ribs plywood spars intended built models fuselage wing panels outboard engine nacelles pure wood-skinned foam balsa tips include balsa spars hold aileron hinges have grooved aileron linkages reinforced carbon tape under skin outer panels have plug-in metal tubes facilitate transportation beauty design draw two wing ribsthe fixed center portion wing constant section could used inner rib hot-wiring outer panels second rib course tip ribneeded complete outer wing panel cuts third example use foam model airplane construction came attention purchased British kit large Percival Mew Gull top fuselage cowl aft cockpit entire turtledeck cockpit aft rudder post devoid compound curves Thus kit manufacturer hot-wire-cut both pieces foam laminated outer surfaces using thin plywood basic fuselage box built up using -inchsquare balsa fuselage top glued place complete Talk about saving time effort Foam used itself part composite model structure integral part todays modeling scene few extra ounces Giant Scale model easily accommodated decide use Its given Giant Scale models have space out gazoc radio installation using monster servos us addicted theres usually vast cavern inside models poses problem protect sensitive parts airborue radio set receiver battery Because nature servos bare bolted place rubber grommets 94 Model Aviation * Charles Valentino beautiful Giant Scale Sopwith Pup Model built Balsa USA kit Charles built P-51D Ziroli plans Big Beautiful Doll fully armed bombs rockets Giant Grumman F8F finish aluminized auto-bumper paint attack version decorated British roundels AIRPLANES THAT FLY SMOOTh AND SWEET LAND LIKE TRAINERS Nor-Cal Aero Kits AT-6ISNJ HARVARD Span 65 Area 656 WI6-8 Eng 60-90 NC 6000 Span63 Area636 Wt5-6 Eng46-90 PEE TEE Span63 Area633 WI 5-7 Eng 46-80 VULTEE BT13 Span73 Area773 Wt8-10 Eng60-120 CONTINENTAL Span72 Area766 WI6-7 Eng46-90 THE SRE SpanUp 62 Lw 54 Area1140 Wt9 Eng80-120 Hours - 1-800-227-6753 900-500 Tue-Sat Pacific Within 48 States Shipping $500 000 $500 Send Check Money Order Ship within 24 Hours Dealer Inquiries Invited SEND $100 FOR ILLUSTRATED BROCHURE protect engine vibration usual techniqueisolating receiver battery jigglesinvolves wrapping foam rubber enfolding plastic bags burying foam nest keep rattling around wish nickel cubic inch foam rubber thats used fill receiver caverns Giant Scale models LDM Industries IncPO Box 292396 Tampa FL 33687-2396has come up very sanitary way protect receivers flat battery packs call Strongbox II its answer model builders prayer Strongbox consists two molded plastic shells filled several layers foam make cutout layer receiver another layer beneath battery pack cutout process similar employed todays camera gun cases aperture end plastic cover accept servo wire leads hole drilled top case accommodate exit receivers antenna bit plastic serve strain relief antenna part assembly everything tucked neatly inside top bottom portions Strongbox II held together three screws provided four mounting holes molded bottom box whole works can mounted rails Giant Scale models fuselage whole works 33 inches wide 35 inches deep 62 inches long weighs mere four ounces Strongbox assembled would take house falling model flatten RC receiveror least Mach crash IMAAs Larry Wheat really ball Larry Rally Coordinator 1994 version Rally Giants Larry has announced IMAAs big gettogether year will held Arlington Municipal Airport Arlington Washington north Seattle 1994 rally scheduled July 15-17 will sponsored Boeing Recreation folks Boeing Hawks RIC flyers IMAA Chapter #163 Puget Sound R/C Clubs information contact Larry 2621442 Ave S Kent WA 98032 Tel 206 477-1603 until 230 PST 206 852-6502 after 330 PST Make plans attend now will probably note models months column photos built Charles Valentino Lake Ronkonkom New York Besides Giant Scale models pictured Chuck has Stuka B-25 P-40 razorback P-47 F4U Corsair Grumman F9Fall built Ziroli drawingsin air force Chuck uses super Coverite models spray-paints Krylon Hepe winter project coming right along h 1994 95 THE MOST POPULAR TRAINER IN AVIAllON HISTORYI W SALE $10995 S FAVORITE FOR AEROBATICS AND SMOOTH LANDINGS AT ALL SPEEDS SALE $13995 SIX FOOT BIG VERY STABLE FLIGHT GENTLE LANDINGS SPORT SCALE THROUGHOUT TAPERED WING / SALE $7995 SPORT SCALE IMAA LEGAL SALE $16995 Race- raft CARS * BOATS * AIRCRAFT Pa Box 1173 Project City CA 96079 Prices subject change Correction following table omitted Travels Mirage article January issue Prop*AltftRPMCurAThr oz 8x4300990019521 8x440001060018N/A 8x47000104501717 8x530089002219 8x5330093502218 8x5400095002118 8x5500097002019 8x5700096002019 * C-2 APCs
Edition: Model Aviation - 1994/03
Page Numbers: 94, 95
RADIO CONTROL GIANTS Foam foam rangeor words effect two schools thought about using polystyrene foam construct RC models Giant Scale models particular first group feels using foam produces models heavier need second considers foam speed model construction provide wings maintain airfoil better root tip accept slight increase weight necessary evil lean toward second school thought model-building situations foam may used good effect pose unreasonable weight penalty Ill point out three examples illustrate contention Polystyrene foam blue variety particular may used produce fiberglass masters plugs fiberglass model parts may cast Laminated large blocks entire fuselages may carved sanded hotwired short order does take degree skill remove foam doesnt look like fuselage Scale model intend produce However since foam relatively inexpensive second try wont cost much goof first try foam sculpting Minor dings major contour errors may corrected simply cutting out offending portions inserting fresh foam block lamination having again beauty technique may accomplished using nothing other varying grits sandpaper intention produce female fiberglass mold foam solid model two things must considered First centerline foam part should fall between two foam laminations sheets paper should inserted between before begin carving Thus splitting resulting fuselage symmetrical halves should uncomplicated Second completed foam part should sealed smoothed foamcompatible filler Japanese tissue sealed place followed several coats fillerafter dedicated sandingwill produce ideal glass-smooth subject producing two-part mold Good friend George Fisher advocate technique used produce quarter-scale model Art Chesters Goon George went far make entire fuselage spinner rudder post piece George built crutch assembly accept firewall wing stabilizer supports retractable landing gear shelf inside completed fiberglass fuselage cut along scale rear cowl line made simple insert structural crutch epoxy place About 12 years ago designed 115inch-span Martin B- 10 bomber has composite foam wing wings rectangular planform center section supports two engine nacelles retractable landing gear assemblies consists balsa ribs plywood spars intended built models fuselage wing panels outboard engine nacelles pure wood-skinned foam balsa tips include balsa spars hold aileron hinges have grooved aileron linkages reinforced carbon tape under skin outer panels have plug-in metal tubes facilitate transportation beauty design draw two wing ribsthe fixed center portion wing constant section could used inner rib hot-wiring outer panels second rib course tip ribneeded complete outer wing panel cuts third example use foam model airplane construction came attention purchased British kit large Percival Mew Gull top fuselage cowl aft cockpit entire turtledeck cockpit aft rudder post devoid compound curves Thus kit manufacturer hot-wire-cut both pieces foam laminated outer surfaces using thin plywood basic fuselage box built up using -inchsquare balsa fuselage top glued place complete Talk about saving time effort Foam used itself part composite model structure integral part todays modeling scene few extra ounces Giant Scale model easily accommodated decide use Its given Giant Scale models have space out gazoc radio installation using monster servos us addicted theres usually vast cavern inside models poses problem protect sensitive parts airborue radio set receiver battery Because nature servos bare bolted place rubber grommets 94 Model Aviation * Charles Valentino beautiful Giant Scale Sopwith Pup Model built Balsa USA kit Charles built P-51D Ziroli plans Big Beautiful Doll fully armed bombs rockets Giant Grumman F8F finish aluminized auto-bumper paint attack version decorated British roundels AIRPLANES THAT FLY SMOOTh AND SWEET LAND LIKE TRAINERS Nor-Cal Aero Kits AT-6ISNJ HARVARD Span 65 Area 656 WI6-8 Eng 60-90 NC 6000 Span63 Area636 Wt5-6 Eng46-90 PEE TEE Span63 Area633 WI 5-7 Eng 46-80 VULTEE BT13 Span73 Area773 Wt8-10 Eng60-120 CONTINENTAL Span72 Area766 WI6-7 Eng46-90 THE SRE SpanUp 62 Lw 54 Area1140 Wt9 Eng80-120 Hours - 1-800-227-6753 900-500 Tue-Sat Pacific Within 48 States Shipping $500 000 $500 Send Check Money Order Ship within 24 Hours Dealer Inquiries Invited SEND $100 FOR ILLUSTRATED BROCHURE protect engine vibration usual techniqueisolating receiver battery jigglesinvolves wrapping foam rubber enfolding plastic bags burying foam nest keep rattling around wish nickel cubic inch foam rubber thats used fill receiver caverns Giant Scale models LDM Industries IncPO Box 292396 Tampa FL 33687-2396has come up very sanitary way protect receivers flat battery packs call Strongbox II its answer model builders prayer Strongbox consists two molded plastic shells filled several layers foam make cutout layer receiver another layer beneath battery pack cutout process similar employed todays camera gun cases aperture end plastic cover accept servo wire leads hole drilled top case accommodate exit receivers antenna bit plastic serve strain relief antenna part assembly everything tucked neatly inside top bottom portions Strongbox II held together three screws provided four mounting holes molded bottom box whole works can mounted rails Giant Scale models fuselage whole works 33 inches wide 35 inches deep 62 inches long weighs mere four ounces Strongbox assembled would take house falling model flatten RC receiveror least Mach crash IMAAs Larry Wheat really ball Larry Rally Coordinator 1994 version Rally Giants Larry has announced IMAAs big gettogether year will held Arlington Municipal Airport Arlington Washington north Seattle 1994 rally scheduled July 15-17 will sponsored Boeing Recreation folks Boeing Hawks RIC flyers IMAA Chapter #163 Puget Sound R/C Clubs information contact Larry 2621442 Ave S Kent WA 98032 Tel 206 477-1603 until 230 PST 206 852-6502 after 330 PST Make plans attend now will probably note models months column photos built Charles Valentino Lake Ronkonkom New York Besides Giant Scale models pictured Chuck has Stuka B-25 P-40 razorback P-47 F4U Corsair Grumman F9Fall built Ziroli drawingsin air force Chuck uses super Coverite models spray-paints Krylon Hepe winter project coming right along h 1994 95 THE MOST POPULAR TRAINER IN AVIAllON HISTORYI W SALE $10995 S FAVORITE FOR AEROBATICS AND SMOOTH LANDINGS AT ALL SPEEDS SALE $13995 SIX FOOT BIG VERY STABLE FLIGHT GENTLE LANDINGS SPORT SCALE THROUGHOUT TAPERED WING / SALE $7995 SPORT SCALE IMAA LEGAL SALE $16995 Race- raft CARS * BOATS * AIRCRAFT Pa Box 1173 Project City CA 96079 Prices subject change Correction following table omitted Travels Mirage article January issue Prop*AltftRPMCurAThr oz 8x4300990019521 8x440001060018N/A 8x47000104501717 8x530089002219 8x5330093502218 8x5400095002118 8x5500097002019 8x5700096002019 * C-2 APCs