DECEMBER 1983 MODELS $ L . 50 BUILDER volume 13, number143 BYRON ORIGINALS ! tec Mi Grott bn SU4S P* PjJ** ^ Joeechcrafi G-17S Now Availabli in Authentic r 1/5 Scale! SPECIFICATIONS •Wing Span...................................... 77 •Length.............................................65 •Wing Area........................... 1600 sq. ii •W'ing Loading...................25 oz. per s •Ready-to-Hy Weight.............. 19-20 lb«| •P ow er.......... 35 Quadra or comparabl engine •Channels required........ 5 (6 w /retract« Rugged, Custom TailoredJIetracts_____ .<^åtÉh rigfl9 r' '■' 'j i r ^ top value for dollars plus The Staggerw ing’s ^ j many unique design features to unique design re- j minimize building time. Anyone famil­ quired a special re- —^ jfcl iar with the complexities involved in scratch tract system unlike building a model like the Staggerwing will be amazed by the time, anything else on the J labor and money savings made possible by our state-of-the-art market. This was ac- Jr", J l 1 fiberglass fuselage and detailed, injection molded wings and complished in the λ I control surfaces. All fuselage and wing stringer detailing has been true Byron Originals / Mi j painstakingly included in our molds to enhance scale realism in all style, rnmpletel ' I production pru-ts. Even the distinctive concave shape of the fuse with sequencing doors, retractable tail belly has been incorporated in our tooling. wheel plus other scale appointments. State-of-lhe Arts Assembly Concepts Well engineered assembly concepts have eliminated the guesswork normally en­ countered when building such models. For example, the die-cut fuselage spars are designed and pre-drilled to ensure fast yet precise positioning of wing attaching hardware, retract system and all radio gear. Even the firewall is removable to allow easy access to the entire fuselage interior and equipment. Plug-In Wings and Control Linkages-Transport Convenience In a matter of seconds, a 77” wing span becomes 17‘Λ” simply by removing the four wing panels. Removal of wing panels automatically disengages aileron and flap linkages. Simply re­ insert wings to regain con­ nections. Constant control surface trim is maintained since internal servo control linkages are never disturbed. WRITE OR CALL LOR LURTHER DETAILS ABOUT Classic Design...Plus Performance OUR NEW STAGGERWING G-17S AND ABOUT OUR The Staggerwing performs exceptionally SPECIAL FACTORY DIRECT PRICES. well at both ends of the flight envelope with a standard Quadra 35 or similar For fast, factory direct delivery, call -· K —''\ engine. It lands gently and predictably Byron Originals, Monday through Fri­ VISA M a s te rC a rd like a Telemaster, yet is fast and aerobatic day, 8 a.m . to 5 p.m . C .S.T . j : enough to satisfy the seasoned pattern iSrnd S2.00 (or drlatlrd Staggrrwmg info packet). flyer. Bvron Originals. P.O. Box 279. Ida Grove, Iowa 51445, Ph: (712) 364-3165 Actual photo of model trimmed with Metallic Charcoal MonoKote" Top Fiite’s Antares...the ultimate high- tech, flat-wing R/C sailplane. The Antares is easy to build and fly for the Sunday flyer yet answers the needs of experi­ enced pilots and multi-task competitors. Designed by Scott Christensen, co-founder of The League of Silent Flight, the Antares employs state of the art aero­ dynamics for an extremely nigh glide ratio, a fantastic speed range and response to the lightest lift. Antares...technical superiority and excitement in the skies. Aerodynamic Features: · Flat-wing configuration · Unique Eppler 193/205 Variable camber airfoil · Ailerons, flaps, rudder and stabilator · Towering flapped launches with 6- or 12-volt winches or high-starts. Construction Features: · Quick-building wings are fully sheeted (top) with webbed spruce spars top and bottom · Fuselage is top quality balsa/ply/spruce · All parts cleanly die-cut for accurate, easy assembly • Generous radio compartment · Complete hardware package · Compre­ hensive, full-size, rolled plans and easy to follow instructions. Top Fiite’s Antares...The Thermal Duration System. SPECIFICATIONS: U.S. Metric W ingspan.......... 99.75 In. 2533.6 mm Wing Area.......... 867 sq.in. 55.93 dm 2 Length................47.5 in. 1206.5 mm Flying Wt............3to5'Albs. 1119-2144.8 gm (ballast space provided) Wing Loading .. 8.91 ozs./sq.ft. 20.01-38.34 gm/dm2 TOP FLITE MODELS, INC. (no ballast) 2635 S. Wabash Ave. Radio Equip. ... 3- or 4-channel Kit No................. RC-31 Chicago, Illinois 60616 For our latest catalog, including MonoKote’ color chart, send $1.00 to Top Rite. Write for free details on MonoKote I Video Tape rentals. / DECEMBER MODEL 1983 BU ILD ER volume 13, number 143 621 West Nineteenth St., Box 10335, Costa Mesa, CA 92627-0132 Phone: (714) 645-8830 STAFF TABLE OF CONTENTS EDITOR/PUBLISHER Wm. C Northrop, Jr. GENERAL MANAGER FEATURES Anita Northrop W O R K B E N C H , Bill Northrop.............................................................................. 6 ASSISTANT GENERAL MANAGER DEAR J A K E ........................................................................................................... 6 Dawn Johnson OVER THE COUNTER .................................................................................... 7 PRODUCTION MANAGER Bill Forrey IM A A /ID A GROVE FUN-FLY FESTIVAL, Bill Northrop.......................... 10 PRODUCTION ARTIST FAI/US SCALE TEAM SELECTION, cliff Tacie ........................................... 12 Howard Millman ELECTRIC POWER, Mitch Poling...................................................................... 14 DRAWINGS BY CH O PPER C H A T T E R , Ray Hostetler................................................................. 20 Al Patterson BIG BIRDS, Al Alman............................................................................................ 22 ACCOUNTING DEPT. MANAGER Michael Whitney Y O R K F A I/F 3B W O R L D C H A M P S , Bill Forrey ..........................................24 SUBSCRIPTIONS R/C SOARING, Bill Forrey.................................................................................. 27 Jo Anne Glenn B Y R O N O R IG IN A L S C A P 21 IN R EVIEW , Dick Moloney ......................32 CONTRIBUTING EDITORS ELECTRONICS CORNER, Floy Mare/............................................................ 34 Al Alman Eloy Marez FUEL LINES, Joe Klause.........................................................................................35 Jerry Dunlap Walt Mooney Bill Forrey Mitch Poling H O W TO FLY PATTERN, Dick Hanson............................................................ 36 Bill Hannan John Pond PLUG SPARKS, John Pond .................................................................................. 37 Dick Hanson Fernando Ramos R /C C AR S, Dan Rutherford .................................................................................. 44 Mike Hazel Dan Rutherford Ray Hostetler John Smith R /C BO A TS , Jerry Dunlap ....................................................................................46 Ken Johnson Bob Stálick H A N N A N ’S H A N G A R , Bill Hannan................................................................. 48 Joe Klause FREE FLIG H T SCALE, Fernando Ramos..............................................................50 ADVERTISING FREE FLIG H T, Bobstalick......................................................................................54 REPRESENTATIVES IN D O O R , Ken Johnson......................................................................................... 57 Bill Northrop Home Office, Costa Mesa CONTROL LINE AT THE NATIONALS, Rich von Lopez......................... 60 Al Novotnik 4 Beverly PI., Norwalk, CT 06850 Bus. Phone (203) 847-7478 CONSTRUCTION MODEL BUILDER (ISSN 0194 7079) is published monthly by RCMB INC.. 621 NIEUPORT11-C TRIPLANE, Frank H offer............................................................. 16 West 19th St.. Box 10335. Costa Mesa, California 92627-0132. Phone (714) 645-8830. FAST EDDIE, Bob stiff ..................................................................................30 Subscriptions: $25.00 per year. $47.00 lor KARASŮ O.T., Danny Sheelds........................................................................................ 42 two years. Single copies $2.50. Subscriptions VERVILLE AIR C O A C H PEANUT, Art M o o n e y................................................ 51 outside the US (except APO & FPOI $32.00 for one year only. All payments must be in US funds, drawn on a US bank. Copyright 1983 by RCMB INC . All rights reserved- Reproduction without permis­ Cover: Steve Neu launches Mark Smith's World Championship F3B backup sailplane, sion prohibited. an Eismann Camaro, over the side of a beautiful heather and fern covered English slope. Rich Shrameck (U.S. F3B team manager) pilots the model out over an equally beautiful Change of address notices must be received English sheep ranch in the valley below. After a week's worth of tense World Champion­ six weeks before date of issue that new ship competition, this was just what the doctor ordered for soothing the nerves. Cover address takes effect. Send old address with inset: Mark Smith's primary sailplane was his Panic, seen here on a low pass. Those fuzzy new; old label preferred. Post Office will white dots are actually sheep. The sheep left evidence that they grazed where the model­ not forward copies unless you pay extra ers stood while flying R/C gliders .. much evidence! For a report on the Fourth R/C postage. Duplicate issues cannot be sent. Soaring World Championships, see page 24. Kodachrome