Author: J.A. de Vries


Edition: Model Aviation - 1987/05
Page Numbers: 54, 55, 172
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Radio Control Giant Scale John de Vries Colonel USAF Ret LOOKING BACK January 1938 issue Model Airplane News Jays Hobby Shop Los Angeles advertised Megow Art Chesters Jeep kit 4-in scale 0 postpaid course gas-powered Free Flight modelbut one-third size prototype racer Cleveland advertisements earlier model magazines touted Stinson gull-wing kits 82-in spans suitable Brown Jr gas engine Peerless Model Airplane Com pany $550 plus 50 cents postage promised 72-in Taylor Cub kit Digging magazines Thirties practically issue photographs what now call Giant Scale Rubber-powered Mono coupes Boeing F4B-4s spans seven nine feet common kits Miniature Aircraft Company sold 82-in Lockheed Vegas powered rubber A-horsepower gas engines $1800 silent fliers didnt stand short good old days Fourteen-foot Sailplanes relative ly common April 1938 ModelAirplane News featured 10-ft-span 100%-scale Pri mary Glider magazine collection begins 1932 paging through volumes reveals modelers doing what today designing building Giant Scale essential differences between now volve power radio control pioneering giant builders limited rubber build light Two-and-a-half three pounds norm eight-foot Scale models twisted rubberbands power other Scale modelers delighted achieving 200-ft flights giant builders sailing out 900 claimed now big uns superior aero dynamic performance Its really puzzling majority modelers stuck 12-in 24-in Scale models larger birds flew much better probably matter cost first contest ever won Denny Condor rubber-powered Duration model prize five whole dollars promptly spent nine Cleveland Dwarf Thompson Trophy racer kits still half buck left over glue dope same money would have purchased five size real planes GHQ Monocoupe Stinson kits thIs ancIent hIstory couple reasons First indicate building large-sized Scale models has long varied tradition As long have model airplanes modelers have building giant sizes days wing tips made bamboo strips bent around hot light bulbs make own glue dissolving celluloid acetone B-I-G Bleriots Wrights Taubes have proliferated second reason history lesson bring attention host Giant Scale designs already flight-proven can adapted todays structural demands can adapted radio control Admittedly old-time Giant designs rep resent period wont find Scale subjects suitable ducted fans What will find aircraft prototypes pre-World War II era Everything simplest Cub multi-engined aircraft like Boeing 247 transports Martin B-b bombers available noted March column Giant Scale builders always lookout unus ual different Scale subjects Unless have access old modelbuilders attic coming up Golden Era Flight giant model plans might tad difficult soif read ads carefully John Ponds Old Time Plan Service P0 Box 90310 San Jose CA 95109-3310 lists bunch drawings type talking about Itll cost $2 acquire both Johns OldTimer Flying Scale catalogs through K L through Z based name prototype Johns 17th edition should out time read plus couple hours time going through looking just what have mind itll probably selection broad defy description particular type aircraft isnt available Giant size isnt difficult enlarge smaller plans suit needs Youre going have indulge bit engineering anyway beef-up structure permit use big engine provide radio installation isnt difficult double treble size basic drawing Giant size Theres another onel Someone else building -scale Ryan B-5 used Paul Matts drawings too Recently got phone call Fred Waliman Richfield MN allowed Ryan about same point its construction too puzzled layout con struction Ryans landing gear Fred ever has big advantage over Yours Truly 36 years operated own machine shop may remember manufactured Giant Scale retracts under Annco name event despite fact Ryans main gear strut intersects forward wing strut two supporting struts Fred has made drawing works quarter-scale envisions scale shock absorber gear strut Fred really two questions ask first would like set shock-absorbing Ryan main landing gear struts kids like ice cream Giant Scale models fly great answer course affirmative since Fred said its almost easy make two sets gears second question still evades answer arent commercially-available wheels 6-inch size requires nor seveninch size need specific Ryans build ing have different wheel sizes Obviously both going have build own wheels ideal tires wheels would suitably-sized 0-rings Somebody somewhere makes 0-rings proper diameter 0ness neither us has uncovered source 54 Model Aviation Designer/builder Emil Agosta Dry Ridge Models Weaverville NC has kittens big 1 /3-scale 10-ft span J-3 Kitten ultralight replica tiles Quadra G-23 smaller 1/4-scale wingspan 90 area 1100 sq flies Salto 45 fourstroke bones models shown Bill Winters columns Brian 0Mearas giant P-51 Malcomb hood flies great looks photos page Delmar Water sons Dighton KS private air force Byron Originals Pitts uses Quadra 50 power Theres servo four ailerons sliding canopy too note scale GiasAir Delmar designed Scavengerand built 1 /64-veneercovered foam board Wing Big E cowl Sig Bravo canopy Byron PlUs Power Zenosh G-35 Another Deimars originals uses Super tigre 2500 power fly fastlike Pattern ship four photos D Waterson Maybe patron saint Ryan builders magazine columnists will see appeal B-5 scale tires 0-rings pass word us can obtained have built intend build big Taube model Taubes either Nick Ziroli Balsa USA may interested knowing Igo Etrichs first Taube being rehabilitated Foryears ithas beenhanginginthe main room Viennas Museum Industry Technology saw photographed pioneer aircraft 1976 sad shape Its upswept wing tips warped flat its engine replaced wooden replica its wire wheels replaced discs museums visitors used its horizontal tail surfaces trash barrel tossed coins onto wings first Taube found out about museums reconstruction Etrichs prototype pleasant manner Dr Thomas Loebenstein Vienna met Scale Internats Paris 84 remembered deep interest Tauben letter enclosed swatch fabric Taube Needless say have such piece aviation Continued page 172 WILLIAMS ACCESSORIES BROTHERS 4 PILOTS STANDARD TSMAN VINTAGE TH CONTOUR BALLOON EN AGE ENGINES PRATT & WHITNEY HT HONE Stock Inmdafe Shlpweof New-ZEN0AHE237Cu In$21995 New Oaadra 40 CDI 13-heeringl$12995 Req Otadra 40 $12299 Britghello flywheel 99 90g Otadra 40 Power Aeeenbly Only poinfe $5499 OUAORA orZENOAH REPAIR910W plot patel Jiw Meteor ERCOUPEPLANS $2391 SEMIKIT 999W Jiw Meeeer TOMAHAWKPLANS $2399 SEMIKIT $9995 Jiw Meteor J-3 KITTENPLANS $2999 PUILKIT $13999 WE ROBINHOOD 90 KIT$5495 leave $391 WE ROBINHOOD 99 KIT$9999 leave $1991 MALONEY 100-912495ZENOAH G39$12999 FLOATS 40-1/4 ecalecoree $2199 oowplete kit $4799 10 WWI WHEELS 9P/K Spring Starter 9 PLANS SUPER STEARMAN lI4lGod$reyl $2999 13 TAYLORCRAFT 0113 CUB Nelita $2999 VOLKOPLANE 1/3 Chicken Charliel $2399 Serone H3$B 42 no $1295 World 5-15 lrg wodole $3499 Prope elect ER TOP FLITE OYNATHRUST2O% OFF US Oaadra FUELTANKSiBoc $59932oa $799 FIBERGALSS ARROW SHAFTS 9/lB u32 long Bfor$11 95 Mow Sauca AddtttOrnoeatwdeakCheCknMO JIM MESSERS QUALITY MODEL PRODUCTS Valloy View Dr Box 43Allogany NY 14706 NEW FOURMOST PRODUCTS FUSELAGE FIXTURE FOURMOST FUSELAGE FIXTURE donigned Aotonetically align funelage otructuren built withoul etrings weavuring eyeballing Siwply n/ide four tottering brackett track until align firewall tail bitt two bulkheadt Clawp fuselage together lightly rubberbands structure will straight track eeaeeadaeoraet.upelatfuae Price 2995 Miter Master Miter Master tool denigned enable craftu wan wake perfect jointe wood aucurately eandieg pro-set angles equating foote allowtfor pretiseSO anglen retracts below surface Any angle tan tot triangular guide uting adjacent tide cowplewent angle will forwed waking invaluable trute construction new cyanoacrylate adhetives require accurately fitted itioft achieve full ttrength Miter Matter will enableyou wake thaw easily FOURMOST PRODUCTS 4040 24th Ave Forest Grove OR 97116 Aprice $950 Aesewbleg booed 503 357-2732 May1987 55 Ercoupe modifIed updated Stafford kit like Deimars planes features full cockpit Interior Power Enys 45 PARTS T1 & WHITNEY HONE WRIGHT e GNOME l$2 FOR FULLY ILLUSTRATED CATALOG DEPT MA 181 raVviiE ST SAN MARCOS CALIFORNIA 92069 HARRYS WHEEL COLLAR WRENCH hardened steel FOR 1/5 AXLES 3/32 AXLES LARGER AXLES $279 EACH HARRY B HIGLEY 5 SONS INC PO BOX 532 GLENWOOD ILL 60425 Complete Line Exhaust Systems * TunedMuffled Tuned Pipes * Headers uri Mufflers Expansion Mufflers opter Ball Mufflers ialized Exhaust Systems Unsurpassed Workmanship & Performance BSI*dIillHl ZIUDU8azaEI 7555 Se, Geb,eI Roed cedero CA 93422 480-1717 Ah cells motor normally thought 12-cell motor am doing Because want kind prop speed about 9400 current about 17 amps power about 140 watts plane Spectra Stunt weight 42 oz thats Now realize above hardly covers topic full probably raises questions answers Good Thats part did thats indicative used last months column encourage better meaningful motor descriptions see can great deal other what advertised just little insight understandingand current meter tach Additional reading subject matter may also found About Elec trics October November 1983 issues magazine See column April 1986 also February 1987 infoon current meters Please forward comment question SASE please author Bob Kopski 25 West End Dr Lansdale PA 19446 PS respond letters requesting info help some requesting nothing Normally write mall responses within week Frequently get involved overtime business travel etc getting information respond response time longer Whatever respond everyone appropriate youve written didnt get iny reply within few weeks did get letteror did get Dont get angry get another piece paper try agaln RC Giant Scale/de Vries Continued page 55 history next best thing winning sweepstakes Dont forget big IMAA Festival Con verse INJune 11-14 See Rally Giants John de Vries 46lOMoffat Ln Colorado Springs CO 80915 RC Pylon Racing/Hager Continued page 56 CA 92701 Donna organizations treasurer year See next month Bill Hager 706 Glen Haven Dr Conroe TX 77385 RC Helicopters/Jolly Continued page 57 rotor engage clutch grabs nine times out 10 will knock blades out track As precaution squirt little fuel bell housing prior flight lubricates clutch cures problem manual includes excellent instructions balancing tracking rotor blades Set up exactiy according instructions exception Once rotor blades square lock down securely Hot Stuff blade grips seesaw important because allow blades swing will go out track flight causing excessive vibration autogyro operates flight 172 Model Aviation hate PRODUCTS install hinges Try Easy Hinges See Ihe Difference single slot few drops C/A glue its done No gouging pinning hinge pins worry obout Incredibly strong 24 hinges 0295 Vrtuu y ndest uCtb e P0 Box 1743 Marcos CA 92069 89O AVAILABLE AT AMERICAS FINEST HOBBY SHOPS $495 DISTRIBUTED BY