ConErol Giant Scale Bob Beckman GIANT SCALE ACCESSORIES have often commented fact lot control construction fittings other acces sories would useful Giant Scale modelers available ways Giant Scale modeling much same posi tion RC modeling late fifties early sixties time enough people moving hobby make practical manufacturers mass-produce market things making ourselves made easier more people build RC models turn meant demand new items can see same sort thing happening now Giant Scale big difference situation 4 Typical mounting cable pulleys Pulley/mount design prevents cable jammingeven restrains cables theyre slack such installing control surface though its both good bad Thats fact things have developed available standard size RC models good thing about dont have reinvent wheel what need has already done just want bigger stronger bad part newcomers N Giant Scale sometimes dont realize inade quacy of standard items applicationand use Giant model Happily situation improving rapidly As pointed out last Toledo column more manufacturers coming out items soecifically designed Giant Scale Some Aflock goodies CB Associates Top left control surface hinges Theyare Lto R butt hinge strap hinge combination butt/strap Theyall use brass bushing inserts brass-tube hinge pin Upper right application butt hinge aileron installation lower half will epoxied pinned intothe pocket andthetop skin thealleron will laidoverit Upper half held intothestructurewith a440 machinescrew Below left cable pulleys control horns bellcrank Rugged practical accessories Giant Scale Below right exhaust stack kitmanifold shown fits Kawasaki Kioritz Quadra manifold also available Bob has say about column 40 Model Aviation simply larger stronger versions familiar items Some things have never needed wanted before Almost issue model mag has new ads product reviews involving Giant Scale products month instead just mentioning things passing would like take detailed look few useful accessories C B Associates first firm know bring out line items designed ground up Giant Scale Most stuff has around several years adding new things time average modeler useful fittings hinges control horns Molded glass-filled nylon PBY 5 Catalina large enough handle control surface loads encounter hinges come three styles butt hinge strap hinge combination hinge uses butt part strap part made three basic pieces hinge half two outside loops hinge half central loop strap piece loop hinges have brass tubing inserts brass tube hinge pin assemble hinge first putting short pieces tubing loop lining up appropriate pieces slipping longer smaller-diameter tube through act pin have something keep pin slipping out C Bs package shows section straight pin inserted hole drilled through plastic brass tubing simply put drop Hot Stuff assemble hinge being careful get too much lock up action hinges can glued pinned using toothpicks please straight pins some cases can made removable example hinge close surface like aileron hinged along upper surface wing plywood pockets can built wing aileron hinges held screws butt hinge best kind installation tab hinge about es ample area either gluing screwContinued page 128 UOn riarris Ajflt smoke-making mufflers Left-hand photo shows units Kawasaki Kioritz attop Quadra Roper below Hignt-nanU pnuiu inside unfinished muffler reveals its secret Diesel fuel injected under pressure inner chamber vaporized exhaust heat before mixing engines exhaust Result billows white smoke Depicted mounted Kawasak engine Uat NORTHERN CALIFORNIAS LARGESTU IDISCOUNT HOBBY SHOPI Iwell FUEL I New high film strength lubricant $40000for increased power engine lifeI Hiahest auality ingredients H ion cut varnish ILL II II II II II II II II II II IHOURS Monday thru Wednesdoy 930-630 Thursday b l-nday v iU-OUUI L mmmmm Saturday9 30-600Sunday 1200-500J mm December1981 41 EaIFobncaon PBbfla 4&I9 gn stopped Snake pit again Aint no justice gosh going up well Oh well wait until next year wait As Cloudhopper glided slowly down within last few feet wings rocked bit nose started point up Could possibly lift Come rascal Go Go Go huge thermal model climbed higher higher much time need Theres still plenty daylight left suppose something will go wrong again Since timer restricted 50-ft radius unaided vision some concern expressed about model staying sight sufficient time Drifting slowly southeast gain ing immense height Cloudhopper large enough remain visible great distances unnamed timer settled long long period peering model airplane became apparent long flight would eventually drift across river Canada Milt left provide company encourage ment timer since virtually no else left airport Eddie Jack fired up car pursued Cloudhopper across Windsor Bridge Canada delightful help Northwest Mounties unable locate model returned learn timer recorded flight over three hours uninitiated rule Free Flight used say model timed its full flight f flight commenced before quitting time rule produced rather amazing problem. everyone gone timer still card Since Victory Banquet scheduled 700 pm everyone returned 15 miles hotel get cleaned up banquet Loading timer car nearlyecstatic threesome arrived banquet among citys dignitaries notables still dressed now thoroughly grubby clothes After brief discussion timers card accepted recorded course altered order Texaco finish caused reshuffling already-presented trophies words Jack Schwartz Its 43 years details have grown little vague can never ever forget Gods smile sure smiled us day us fortunate enough have flown Free Flight competition have shared Jack Schwartzs ecstasy time another dare say few us have ever topped time As matter fact would exceptional time today RC-assist Tcxaco Postscript Although Milt Kahn received trophy prizes patently obvious hard work perseverance Jack Schwartz made come true Isnt remarkable hobby often someone receives joy success friend own recog nition would bring uncredited win ners great hobby dedicate story also owe deep debt gratitude Jack sharing experience before lost forever Should reader have similar memories great moments hobby please share us Whoops Contrary information pre viously printed Herb WahIs new production run Ohlsson Gold Seal reproductions will utilize original tools dies fixtures long ago Herb developing new production equipment approval Irwin Ohlsson Dee B Mathews 506 South Walnut Greensburg KS 67054 RC Giant Scale/Beckman Continued page 41 mounting strap hinge useful need hinge line outside mounting surface some types flaps Frise-type aileron end hinge about two inches long hinge line can quite ways out still have ample mounting area combination hinge made strap TI-lE WORLDS FIRST ADJUSTABLE HAND SANDER THE DUPLICATOR MKI Pat Pending Just duplicator does following Creates accuratej-k 180 round patterns edges wings 1/8 thru 12 stabs ruddersJJ#/ 1/18 incruments tuselage etc included tool Duplicates roundsII Make own semi-rounds curvesJ4~A1t erns intinite angles up 1 deep number sizes 0 EXTRA HANDS Model Aircraft Covering Tool Model No 36 Pat No 33867271 last breakthrough make covering easy fast novice eupert Works types covering material monokote iberglass hit 01 Toledo Macs Dallas Pasadena shows 4 Al dealer order direct $1995 plus $200 tor shipping dealer order direct $1995 plus $200 shippingGREAT TIME SAVERS INVENTED BY AVID MODELER TO MAKE BUILDING EVEN MORE ENJOYABLE Once add tool collectionw ELDON J LIND COMPANY youll wonder got along them2912 Walker Lee Alamitos CA 90720Oistributors inquiries invited 1 28 Model Aviation landing taxying can pretty oughon airframerough radio equipment Smooth out shocks new tailwheel designed -with monster models mmd Unlike similar lever action main gear has trail angle pro-U smoother ride tail end plus good caster action precise centering Adjustable spring loading allows tune ride tail end floats over bumps Tough light alloy construction bright ted spring unit comes complete Allen key mounting screws extensive instruction sheet ir assembly customizing Oh way just thought would mention Cessna now using lever action gear like its monster models Now thats got tell something f9O9O DUCTS INC P0 ee,c 535DaRd W ew0o Pu sizes suit various wheel diameters TG-I V& I/4 TG-3 .. 2A & 24 rG-2 & 2t4 TG-4 4 & 3 SUPER SCALE PLANS LEISURE GRAND CHAMPIONSHIP tA9INbP 1/4 scale F9C 2 Sparrow Hawk 2150 Electric Sailplane Contest modeling products make tamous field caddies 11/2 scale Grumman Duck 1950 Siticone products Hardware Tools Send SASE Free catalog today1 3/4 scale Vought Kingfisher1950$1000 FIRST PRIZE AEROTRENO PROOucTSAdd $200 postage & handling 44W Prospect St New Haven CT 06515All shipped tube Send 50 brochureJan 9- 10 19B2 Anaheim California Tetephonet2031 3g73755Sand SASE far Complete Information SMITH PLANS 9422 N Fairway Blvd 11 DEERSPRING IRVINE CA 92714 Sun Lakes AZ 85224 piece two-loop hinge half has useful particularly handy want elevator rudder hinge line fairly deep control surface build butt half hinge example rudder make tight-fitting pockets fin strap half After model covered painted easy mount surface epoxying straps pockets C Bs control horns come two styles heavy duty unit both right- left-hand dual rudder unit larger horns about -in thick will stand up anything Giant Scale aircraft can take dual rudder horn lighter still rugged rudder horn intended slipped over leading edge rudder provides horn side attaching cables minor difficulty apparently designed go onto -in sheet sur faces serious drawback Besides find use rudder horns ailerons flaps rudders heavy duty unit sometimes little too heavy cutting center section out dual unit wind up right- left-hand horn convenient size next nice item good-sized bellcrank again made glass-filled nylon mounts 6-32 screw has large slop-free bearing Two equal-sized arms right angles longer third arm make unit usable almost situation particularly useful transition dual cable drives job right cable drives need pulleys C Bs pulleys another example attention detail pulley itself turned aluminum mounts another glass-filled nylon molding pulleys can mounted singly pairsor desired Any reasonably sized cable use 30 lb test nylon-covered fishing leader will fit pulley groove same time captured between pulley mount last point can important have leave cable slack temporarily mount control surface have found convenient way mount pulleys scews small plywood scraps epoxied structure needed Among C Bs newer items exhaust mani fold pipe kit fits Kawasaki engines also usable Kioritz manifold Quadra will available soon kit consists lightweight die cast aluminum manifold 45 degree elbow 90 degree elbow two lengths aluminum tubing custom exhaust system installation easily Fine Quality Flying Models Catalog $150 98 RUBBER POWER KITS plus Gliders CIL RIC Accessories Books 4 4 4 4 4 4 4 4 4 MAJESTIC MODELS 3273 West 129th Street Cleveland Ohio 44111 Solareraft presents 2 new fun flyers Solar Dart 12 rubber powered helicopter climbs over 2b0 $300 Ipostage paid ready fly Scud check manes order Solarcraft Pl i3oxhd2s untaBorkaro Bill halt tnjolrIe itt 1111 Sciar Scamp 12 high performance free flying stick m ci $400 potage poisi ready fly Thht eJd4m 7ode $9900 DELIVEREDa -V C/tA Four Folding Legs Wing h Fuselage Holders Add $400 Shipping f 6% Tax RAC Products408 274-1915 3200 Knightumood Way 0 San Jose CA 95148 December 1981129 K A4&NIIJ1[uiEDIIADIIIILt IIIIEIII%tN1[ PEANUT SCALE MODELS MUSTANG MILES M-1BZERO DRUINEPIETENPOL COUGARPIPER CUB GIPSY MOTHANDRESON GANAGOBIELACEY N-tO Rubber Poagered Balsa Tiasue Kits $495 SPORT MODELS PRAIRIE BIRD 44 KIT $495 BABY ACE$549 ONE NITE 30$595 ONE NITE 16$495 STRINGLESS WONDER$395 PECK ROG$109 RUBBER OR CO-2 POWERED COMPLETE CATALOG $100 HARD ro FIND ITEMS FOR RUBBER MODELS AND AIRSHIPS Peck-Polymers made parts provided C B has several other items new things coming along time recently added rugged stainless steel turnbuckle 3/16-in 0020 steel rigging wire Items hope release near future include control fittings wheels aluminum hubs foam tires C Bs products available hobby shops direct C B Associates Inc 21658 Cloud Way Hayward CA 94545 Don Harris new name Giant Scale accessories well known except West Coast Don has several things offer item attracting attention smoke-making muffler system Without doubt effective smoker Ive seen Uses straight diesel fuel no exotic additives secret internal construction muffler length tube inside expansion chamber positioned directly opposite en gines exhaust port reaches red hot temperatures diesel oil injected inner chamber vaporized before mixing engine exhaust result billowing cloud white smoke system does require fairly high-volume flow diesel fuel Muffler pressure has proven inadequate Don recommends using elec tric pump have seen Robart pump used good results Harris smoker rearexhaust Quadra Roper engines sells $3995 Models side-exhaust Kawasaki Kioritz slightly higher Available Don Harris 23668 Shadow Dr Auburn CA 95603 Correspondence have said before Im sure other columnist has too write question want answer sent directly you must include selfaddressed stamped envelope SASE want hear am happy either answer questions can try find answers usually get answers off day two STATEMENT OF OWNEOSHIP MANAGEMENT AND OIeOULATION vy,frc261 39 USC 3605 1 Title Publicatioc MODEL AVIATION A Pohlication No 007930 2 Date Fjllln Septemfoet 30 1901 3 Fteguenco l,ue MOothlc A NO t,oe Poblihed Annoelly 12 ACOOsI SobotivtjOn Plice stovo 4 Colnclete Mailog Addleta boson offoe tbOSIlOOt Ite, city 00010 tgte ZIP codel pinlenl 015 Fifteenth St NW WOflington DC 20005 S Conclete maling eddIes headvoatfets 0 venetal hoinest offite Poblishe, ptntttl vth Fifteenth St NW Washington DC 2osv5 0 Fol ngnes end complete addle, Pohl,fle Edito, Manaving Edito IThi ten MOST NOT blankI PoSlsfler CatI 6 Wheeley 515 Fitteonth St NW Wehngson DC zoovn Edfot CatI 0 Wheeley 015 Fifteenth St NW Wahnglon DC 20005 Managing Edito, NONE 7 Ooone Acadonno Model delongotics 0th Fifteenth St NW Wahington SC 2vosh o noose hondyolde, lnoltgageOt ofhesecotity holdors canning 01 hold mg f%olmneOf total anounlof honda notgogeso otfletsecotties NONE 9 Pot conpleion hy noncoft osanaations eofholised ma, ate lSecfon 4113 0MM onlyl porvoso london noecloft atalas oganaation esemyl status Fedetal incnne tao polnoes Floe changed ootog Pleceding 12 Inonlyg fOEtrent Nalote Cicolaton Acloal doerageSn cocie no copiesOfeingle issuessue dotingpuhliSed eecednSneatest 12 monthfling dete ATotal No Copot Net PIes vonlOSAvO7dDSS v Pad Citclaton 1SaleslhooghDoaiosondCalietSloet 6000, Coonle Sales35D6 4123 2Mail Sohgolipton5005464972 Total Paid CitoolalionOtSODe9v95 DFlee Dsl,holon Sc Mail Ca,e 0 0th, Mean, Sanoplet Connvlinentanv Othe Flee Copies22142222 Flofal Oistisootoo Son C & Dl03v7471417 F CnPcsNclDst,hoted 1Office Use Left Doe Unaccounted Scoilod afte Pintcg24202502 2ffetun Ibm New Agents194 UTotallSomoftb Ftgod2shouldegoal Ion shown o Al0040074D0h ftlcelTitylhatthestatementsmsdehymeahooealecolecl andcoeelele CARLO WHEELEY Edilot P,Sishe 130 Model Aviation $1 89IPkg N EW EASY-MOUNT K&B 40 $379 55t5tttE55s MVdtf 51310 vvrioe tO20825/a Roscoe Blvd Canoga Park CA 91 306 BILL EVANS R/C AIRCRAFTPhone213709-0894 MISSING SOMETHING youre reading Hobby Swap News youre losing money Hundreds new used equipment bargains ready-built models across US plus Canada Mexico following some bargains already missed out Beg borrow steal have dont miss next issue RAOIOSfrom $50 Kruft 6 ch rvos World Engines 5 ch rvos Aero Sport 6 oh rvos MAC 4 oh rvos MACS ch rvos Futaba 4 ch rvos Kraft 5 ch rvos Aero sport 4 oh rvos coo 3 cli rvos Caonoo 4 ch r vos Kraft 5 ch rvoo Kratt 4 ch rvos MAC 4 ch rvos coy 4 ch rvos Cirros 6 ch rvos MRc 5 ch rvoo World togines S ch rvos World Eogioos 7Gb rvoo MAC 8 oh rvos MACS ch rvoo Kraft 7 ch rvoo Caonoo 3 ch rvos Fotoba 3 oh rvos Kraft 5 ch rvos Kraft 2 oh rvoo traft 4 ch rvoo MRC 4 oh rvoo Fotaba 2 ch rvoo Kraft 3 oh rvoo Kruft 5 oh rvoo MAC 4 ch rvos World Engineo 4 ch rvos Kratt 2 oh rvoo MAC 4 ch rvos Kraft 4 ch rvoo Kraft 5 cli rvos Kraft 5 ch rvoo Kraft 4 ch rvos pbs others inclodisg Ace Hoathkit Hobby Lobby EK Citizesohip Orbit R-S Proline etc old 'Galloping Shoot' Nomeroos 4 5 & 6 channel complete systems $100 sod less BUILT UP Planes hA 20 size 30 size 40 size 50 size 60 size scale Trainers pattero sport pylon military scale civilian scale twins bi-planes gliders U/C FF etc $40 engine over $800 RTF KITS Airtronico Andrewo Berkely Bridi Bad Nosen Carl Goldberg Craft-Air 055 Ouve Platf Fliteglas Higgios Hobby Shack House Balsa Jemco Midwest Michigan Hobby Hangar Mile High Models Model Merchants Pica Royal Sig Stafford Sterling Sorelite Top Flite Wing no less DOZEN other mfgo listed Hobby Swap News hAs few dollars Ia scale around $50 ENGINES OS Enya Fox Ross HP Super Tigre McCoy K&B Coo HB Rosol Webra biggies including Qaudra Evra Suevia twin 00s eto 30s $tS 40s $20 60s $30 brand new some bench run HELICOPTERS Schiater Hell-Boys & Heli-Babys American Commander & Revelations Kavan Jet Rangers GPM Crickett Oubro etc ander $100 BOATS Steam boats scale hosts deep vee racing boats sail boats tag boats air busts yachts hydros others CARS TOO Both gas electric motorcycles MISCELLANEOUS Flight packs servos ducted fans retracts toned pipes plans tools flight hoses coverivg materials starters prop drives wheels fool tanks hardware old magazines collectors memorabilia much mach mere BUYSELLTRADE advertise needs Hobby Swap News model enthusiasts 'Used Equipment Guide first ad FREE 50 words max subscription $10/yr 10 issues 3rd class mail 2 yr/$19 3 yr/$27 add $3/yr 1st class mail Canada & Mexico must use 1st class rates other countries write first MC & Visa accepted include numbers expiration date Allow 4 8 weeks first issue address changes Submit tree ads subscription orders Hobby Swap News PO Box 834 Dept AR-i Santa Maria CA 93456 Lowering cost having fun BUILDING NEEDS PROPS TISSUE RUBBER WINDERS BLADE SHARPENERS BEARtNGS PROP SHAFTS LUBE WASHERS WHEELS FUSE CO-2 MOTORS 00000 PLANS MORE ADVENTURE MODELS i2TPONY BLIMP Il-FT 9/C AIRSHIP -KIT $24900 P 0 BOX 2498 -MA LA MESA CALIF 92041 PHONE 714 409-8675 714 2-4636 just cant afford postage what can amount several hundred letters few months time dont want discourage writing Ijust want make easier help Daniel R Neukirch 4265 Bordeaux Dr Oak yule MO 63129 writes asking about scale three- four-bladed flying props fit Bud Nosen Corsair doubt truly scale prop would practical flying J&Z Zinger can provide three- four-blade props special order Robin Lehaman Opus Films LTD 63 East 82nd St NY NY 10028 asks fourcycle engine Quadra size 2 cu available says two-cycle engines too noisy flying location OS Gemini just big enough planes wants build thing can think five- seven-cylinder Technopower II radials Anyone Out know one- two-lung 4-cycle engines two three cubic inch displacement class Plans Review Didnt get plans month next time well take look Godreys Stearman Zirolis Corsair Another add list WACO UPF-7 all-time favorite airplanes Dave Richardson Star Route Deposit NY 13754 has finishedthe plans forhis quarter-scale version first saw 80 STARS Rally Olean NY Price $2350 includes shipping Bob Beckman 8248 Holly Grove Court Manassas VA 22110 RC Helicopters/Chesney Continued page 42 able made mistakes could have avoided 2 Practiceshort sessions three four half-tanks day possible 3 Mind tail rotor stay lowuntil can point chopper want know its pointing its crash tip-over waiting happen 4 Stay close too closeeight 10 feet nice 20 feet too far Youve got eyeball monitor its altitude constantly 5 Fly dont let fly Its better give small bum inputs can correct just hang onto sticks wraps its rotor around ankles 6 Persevere day like magic hands will decide what what eyes telling interfer 72 Wingspan QUADRA powered DRUINE TURBULENT Gross weight under 20 lbs No foam 1230 sq Simple construction fully detailed Proven design stable aerobatic Shock-absorbing landing gear takes abuse Full-size plans instructions photos best marketS30 pp USA DOUG MAC BRIEN 24 Truhy St Granhy Mass 01033 Send SASE info RJL K61 eAmerican made Schnuerle ports eDouble ball bearing ePerry carburetor eForged & domed piston eForged & busliu uon rod 0-ring sealed back cover Investment cast crankcase Kraft Engine Warranty Parts & Repair RJL INDUSTRIES PO BOX 5654 PASADENA CA 91107 213 359-0016 795-9621 December 1981 131 ugqested Retail $14800 Muffler Included
Edition: Model Aviation - 1981/12
Page Numbers: 40, 41, 128, 129, 130, 131
ConErol Giant Scale Bob Beckman GIANT SCALE ACCESSORIES have often commented fact lot control construction fittings other acces sories would useful Giant Scale modelers available ways Giant Scale modeling much same posi tion RC modeling late fifties early sixties time enough people moving hobby make practical manufacturers mass-produce market things making ourselves made easier more people build RC models turn meant demand new items can see same sort thing happening now Giant Scale big difference situation 4 Typical mounting cable pulleys Pulley/mount design prevents cable jammingeven restrains cables theyre slack such installing control surface though its both good bad Thats fact things have developed available standard size RC models good thing about dont have reinvent wheel what need has already done just want bigger stronger bad part newcomers N Giant Scale sometimes dont realize inade quacy of standard items applicationand use Giant model Happily situation improving rapidly As pointed out last Toledo column more manufacturers coming out items soecifically designed Giant Scale Some Aflock goodies CB Associates Top left control surface hinges Theyare Lto R butt hinge strap hinge combination butt/strap Theyall use brass bushing inserts brass-tube hinge pin Upper right application butt hinge aileron installation lower half will epoxied pinned intothe pocket andthetop skin thealleron will laidoverit Upper half held intothestructurewith a440 machinescrew Below left cable pulleys control horns bellcrank Rugged practical accessories Giant Scale Below right exhaust stack kitmanifold shown fits Kawasaki Kioritz Quadra manifold also available Bob has say about column 40 Model Aviation simply larger stronger versions familiar items Some things have never needed wanted before Almost issue model mag has new ads product reviews involving Giant Scale products month instead just mentioning things passing would like take detailed look few useful accessories C B Associates first firm know bring out line items designed ground up Giant Scale Most stuff has around several years adding new things time average modeler useful fittings hinges control horns Molded glass-filled nylon PBY 5 Catalina large enough handle control surface loads encounter hinges come three styles butt hinge strap hinge combination hinge uses butt part strap part made three basic pieces hinge half two outside loops hinge half central loop strap piece loop hinges have brass tubing inserts brass tube hinge pin assemble hinge first putting short pieces tubing loop lining up appropriate pieces slipping longer smaller-diameter tube through act pin have something keep pin slipping out C Bs package shows section straight pin inserted hole drilled through plastic brass tubing simply put drop Hot Stuff assemble hinge being careful get too much lock up action hinges can glued pinned using toothpicks please straight pins some cases can made removable example hinge close surface like aileron hinged along upper surface wing plywood pockets can built wing aileron hinges held screws butt hinge best kind installation tab hinge about es ample area either gluing screwContinued page 128 UOn riarris Ajflt smoke-making mufflers Left-hand photo shows units Kawasaki Kioritz attop Quadra Roper below Hignt-nanU pnuiu inside unfinished muffler reveals its secret Diesel fuel injected under pressure inner chamber vaporized exhaust heat before mixing engines exhaust Result billows white smoke Depicted mounted Kawasak engine Uat NORTHERN CALIFORNIAS LARGESTU IDISCOUNT HOBBY SHOPI Iwell FUEL I New high film strength lubricant $40000for increased power engine lifeI Hiahest auality ingredients H ion cut varnish ILL II II II II II II II II II II IHOURS Monday thru Wednesdoy 930-630 Thursday b l-nday v iU-OUUI L mmmmm Saturday9 30-600Sunday 1200-500J mm December1981 41 EaIFobncaon PBbfla 4&I9 gn stopped Snake pit again Aint no justice gosh going up well Oh well wait until next year wait As Cloudhopper glided slowly down within last few feet wings rocked bit nose started point up Could possibly lift Come rascal Go Go Go huge thermal model climbed higher higher much time need Theres still plenty daylight left suppose something will go wrong again Since timer restricted 50-ft radius unaided vision some concern expressed about model staying sight sufficient time Drifting slowly southeast gain ing immense height Cloudhopper large enough remain visible great distances unnamed timer settled long long period peering model airplane became apparent long flight would eventually drift across river Canada Milt left provide company encourage ment timer since virtually no else left airport Eddie Jack fired up car pursued Cloudhopper across Windsor Bridge Canada delightful help Northwest Mounties unable locate model returned learn timer recorded flight over three hours uninitiated rule Free Flight used say model timed its full flight f flight commenced before quitting time rule produced rather amazing problem. everyone gone timer still card Since Victory Banquet scheduled 700 pm everyone returned 15 miles hotel get cleaned up banquet Loading timer car nearlyecstatic threesome arrived banquet among citys dignitaries notables still dressed now thoroughly grubby clothes After brief discussion timers card accepted recorded course altered order Texaco finish caused reshuffling already-presented trophies words Jack Schwartz Its 43 years details have grown little vague can never ever forget Gods smile sure smiled us day us fortunate enough have flown Free Flight competition have shared Jack Schwartzs ecstasy time another dare say few us have ever topped time As matter fact would exceptional time today RC-assist Tcxaco Postscript Although Milt Kahn received trophy prizes patently obvious hard work perseverance Jack Schwartz made come true Isnt remarkable hobby often someone receives joy success friend own recog nition would bring uncredited win ners great hobby dedicate story also owe deep debt gratitude Jack sharing experience before lost forever Should reader have similar memories great moments hobby please share us Whoops Contrary information pre viously printed Herb WahIs new production run Ohlsson Gold Seal reproductions will utilize original tools dies fixtures long ago Herb developing new production equipment approval Irwin Ohlsson Dee B Mathews 506 South Walnut Greensburg KS 67054 RC Giant Scale/Beckman Continued page 41 mounting strap hinge useful need hinge line outside mounting surface some types flaps Frise-type aileron end hinge about two inches long hinge line can quite ways out still have ample mounting area combination hinge made strap TI-lE WORLDS FIRST ADJUSTABLE HAND SANDER THE DUPLICATOR MKI Pat Pending Just duplicator does following Creates accuratej-k 180 round patterns edges wings 1/8 thru 12 stabs ruddersJJ#/ 1/18 incruments tuselage etc included tool Duplicates roundsII Make own semi-rounds curvesJ4~A1t erns intinite angles up 1 deep number sizes 0 EXTRA HANDS Model Aircraft Covering Tool Model No 36 Pat No 33867271 last breakthrough make covering easy fast novice eupert Works types covering material monokote iberglass hit 01 Toledo Macs Dallas Pasadena shows 4 Al dealer order direct $1995 plus $200 tor shipping dealer order direct $1995 plus $200 shippingGREAT TIME SAVERS INVENTED BY AVID MODELER TO MAKE BUILDING EVEN MORE ENJOYABLE Once add tool collectionw ELDON J LIND COMPANY youll wonder got along them2912 Walker Lee Alamitos CA 90720Oistributors inquiries invited 1 28 Model Aviation landing taxying can pretty oughon airframerough radio equipment Smooth out shocks new tailwheel designed -with monster models mmd Unlike similar lever action main gear has trail angle pro-U smoother ride tail end plus good caster action precise centering Adjustable spring loading allows tune ride tail end floats over bumps Tough light alloy construction bright ted spring unit comes complete Allen key mounting screws extensive instruction sheet ir assembly customizing Oh way just thought would mention Cessna now using lever action gear like its monster models Now thats got tell something f9O9O DUCTS INC P0 ee,c 535DaRd W ew0o Pu sizes suit various wheel diameters TG-I V& I/4 TG-3 .. 2A & 24 rG-2 & 2t4 TG-4 4 & 3 SUPER SCALE PLANS LEISURE GRAND CHAMPIONSHIP tA9INbP 1/4 scale F9C 2 Sparrow Hawk 2150 Electric Sailplane Contest modeling products make tamous field caddies 11/2 scale Grumman Duck 1950 Siticone products Hardware Tools Send SASE Free catalog today1 3/4 scale Vought Kingfisher1950$1000 FIRST PRIZE AEROTRENO PROOucTSAdd $200 postage & handling 44W Prospect St New Haven CT 06515All shipped tube Send 50 brochureJan 9- 10 19B2 Anaheim California Tetephonet2031 3g73755Sand SASE far Complete Information SMITH PLANS 9422 N Fairway Blvd 11 DEERSPRING IRVINE CA 92714 Sun Lakes AZ 85224 piece two-loop hinge half has useful particularly handy want elevator rudder hinge line fairly deep control surface build butt half hinge example rudder make tight-fitting pockets fin strap half After model covered painted easy mount surface epoxying straps pockets C Bs control horns come two styles heavy duty unit both right- left-hand dual rudder unit larger horns about -in thick will stand up anything Giant Scale aircraft can take dual rudder horn lighter still rugged rudder horn intended slipped over leading edge rudder provides horn side attaching cables minor difficulty apparently designed go onto -in sheet sur faces serious drawback Besides find use rudder horns ailerons flaps rudders heavy duty unit sometimes little too heavy cutting center section out dual unit wind up right- left-hand horn convenient size next nice item good-sized bellcrank again made glass-filled nylon mounts 6-32 screw has large slop-free bearing Two equal-sized arms right angles longer third arm make unit usable almost situation particularly useful transition dual cable drives job right cable drives need pulleys C Bs pulleys another example attention detail pulley itself turned aluminum mounts another glass-filled nylon molding pulleys can mounted singly pairsor desired Any reasonably sized cable use 30 lb test nylon-covered fishing leader will fit pulley groove same time captured between pulley mount last point can important have leave cable slack temporarily mount control surface have found convenient way mount pulleys scews small plywood scraps epoxied structure needed Among C Bs newer items exhaust mani fold pipe kit fits Kawasaki engines also usable Kioritz manifold Quadra will available soon kit consists lightweight die cast aluminum manifold 45 degree elbow 90 degree elbow two lengths aluminum tubing custom exhaust system installation easily Fine Quality Flying Models Catalog $150 98 RUBBER POWER KITS plus Gliders CIL RIC Accessories Books 4 4 4 4 4 4 4 4 4 MAJESTIC MODELS 3273 West 129th Street Cleveland Ohio 44111 Solareraft presents 2 new fun flyers Solar Dart 12 rubber powered helicopter climbs over 2b0 $300 Ipostage paid ready fly Scud check manes order Solarcraft Pl i3oxhd2s untaBorkaro Bill halt tnjolrIe itt 1111 Sciar Scamp 12 high performance free flying stick m ci $400 potage poisi ready fly Thht eJd4m 7ode $9900 DELIVEREDa -V C/tA Four Folding Legs Wing h Fuselage Holders Add $400 Shipping f 6% Tax RAC Products408 274-1915 3200 Knightumood Way 0 San Jose CA 95148 December 1981129 K A4&NIIJ1[uiEDIIADIIIILt IIIIEIII%tN1[ PEANUT SCALE MODELS MUSTANG MILES M-1BZERO DRUINEPIETENPOL COUGARPIPER CUB GIPSY MOTHANDRESON GANAGOBIELACEY N-tO Rubber Poagered Balsa Tiasue Kits $495 SPORT MODELS PRAIRIE BIRD 44 KIT $495 BABY ACE$549 ONE NITE 30$595 ONE NITE 16$495 STRINGLESS WONDER$395 PECK ROG$109 RUBBER OR CO-2 POWERED COMPLETE CATALOG $100 HARD ro FIND ITEMS FOR RUBBER MODELS AND AIRSHIPS Peck-Polymers made parts provided C B has several other items new things coming along time recently added rugged stainless steel turnbuckle 3/16-in 0020 steel rigging wire Items hope release near future include control fittings wheels aluminum hubs foam tires C Bs products available hobby shops direct C B Associates Inc 21658 Cloud Way Hayward CA 94545 Don Harris new name Giant Scale accessories well known except West Coast Don has several things offer item attracting attention smoke-making muffler system Without doubt effective smoker Ive seen Uses straight diesel fuel no exotic additives secret internal construction muffler length tube inside expansion chamber positioned directly opposite en gines exhaust port reaches red hot temperatures diesel oil injected inner chamber vaporized before mixing engine exhaust result billowing cloud white smoke system does require fairly high-volume flow diesel fuel Muffler pressure has proven inadequate Don recommends using elec tric pump have seen Robart pump used good results Harris smoker rearexhaust Quadra Roper engines sells $3995 Models side-exhaust Kawasaki Kioritz slightly higher Available Don Harris 23668 Shadow Dr Auburn CA 95603 Correspondence have said before Im sure other columnist has too write question want answer sent directly you must include selfaddressed stamped envelope SASE want hear am happy either answer questions can try find answers usually get answers off day two STATEMENT OF OWNEOSHIP MANAGEMENT AND OIeOULATION vy,frc261 39 USC 3605 1 Title Publicatioc MODEL AVIATION A Pohlication No 007930 2 Date Fjllln Septemfoet 30 1901 3 Fteguenco l,ue MOothlc A NO t,oe Poblihed Annoelly 12 ACOOsI SobotivtjOn Plice stovo 4 Colnclete Mailog Addleta boson offoe tbOSIlOOt Ite, city 00010 tgte ZIP codel pinlenl 015 Fifteenth St NW WOflington DC 20005 S Conclete maling eddIes headvoatfets 0 venetal hoinest offite Poblishe, ptntttl vth Fifteenth St NW Washington DC 2osv5 0 Fol ngnes end complete addle, Pohl,fle Edito, Manaving Edito IThi ten MOST NOT blankI PoSlsfler CatI 6 Wheeley 515 Fitteonth St NW Wehngson DC zoovn Edfot CatI 0 Wheeley 015 Fifteenth St NW Wahnglon DC 20005 Managing Edito, NONE 7 Ooone Acadonno Model delongotics 0th Fifteenth St NW Wahington SC 2vosh o noose hondyolde, lnoltgageOt ofhesecotity holdors canning 01 hold mg f%olmneOf total anounlof honda notgogeso otfletsecotties NONE 9 Pot conpleion hy noncoft osanaations eofholised ma, ate lSecfon 4113 0MM onlyl porvoso london noecloft atalas oganaation esemyl status Fedetal incnne tao polnoes Floe changed ootog Pleceding 12 Inonlyg fOEtrent Nalote Cicolaton Acloal doerageSn cocie no copiesOfeingle issuessue dotingpuhliSed eecednSneatest 12 monthfling dete ATotal No Copot Net PIes vonlOSAvO7dDSS v Pad Citclaton 1SaleslhooghDoaiosondCalietSloet 6000, Coonle Sales35D6 4123 2Mail Sohgolipton5005464972 Total Paid CitoolalionOtSODe9v95 DFlee Dsl,holon Sc Mail Ca,e 0 0th, Mean, Sanoplet Connvlinentanv Othe Flee Copies22142222 Flofal Oistisootoo Son C & Dl03v7471417 F CnPcsNclDst,hoted 1Office Use Left Doe Unaccounted Scoilod afte Pintcg24202502 2ffetun Ibm New Agents194 UTotallSomoftb Ftgod2shouldegoal Ion shown o Al0040074D0h ftlcelTitylhatthestatementsmsdehymeahooealecolecl andcoeelele CARLO WHEELEY Edilot P,Sishe 130 Model Aviation $1 89IPkg N EW EASY-MOUNT K&B 40 $379 55t5tttE55s MVdtf 51310 vvrioe tO20825/a Roscoe Blvd Canoga Park CA 91 306 BILL EVANS R/C AIRCRAFTPhone213709-0894 MISSING SOMETHING youre reading Hobby Swap News youre losing money Hundreds new used equipment bargains ready-built models across US plus Canada Mexico following some bargains already missed out Beg borrow steal have dont miss next issue RAOIOSfrom $50 Kruft 6 ch rvos World Engines 5 ch rvos Aero Sport 6 oh rvos MAC 4 oh rvos MACS ch rvos Futaba 4 ch rvos Kraft 5 ch rvos Aero sport 4 oh rvos coo 3 cli rvos Caonoo 4 ch r vos Kraft 5 ch rvoo Kratt 4 ch rvos MAC 4 ch rvos coy 4 ch rvos Cirros 6 ch rvos MRc 5 ch rvoo World togines S ch rvos World Eogioos 7Gb rvoo MAC 8 oh rvos MACS ch rvoo Kraft 7 ch rvoo Caonoo 3 ch rvos Fotoba 3 oh rvos Kraft 5 ch rvos Kraft 2 oh rvoo traft 4 ch rvoo MRC 4 oh rvoo Fotaba 2 ch rvoo Kraft 3 oh rvoo Kruft 5 oh rvoo MAC 4 ch rvos World Engineo 4 ch rvos Kratt 2 oh rvoo MAC 4 ch rvos Kraft 4 ch rvoo Kraft 5 cli rvos Kraft 5 ch rvoo Kraft 4 ch rvos pbs others inclodisg Ace Hoathkit Hobby Lobby EK Citizesohip Orbit R-S Proline etc old 'Galloping Shoot' Nomeroos 4 5 & 6 channel complete systems $100 sod less BUILT UP Planes hA 20 size 30 size 40 size 50 size 60 size scale Trainers pattero sport pylon military scale civilian scale twins bi-planes gliders U/C FF etc $40 engine over $800 RTF KITS Airtronico Andrewo Berkely Bridi Bad Nosen Carl Goldberg Craft-Air 055 Ouve Platf Fliteglas Higgios Hobby Shack House Balsa Jemco Midwest Michigan Hobby Hangar Mile High Models Model Merchants Pica Royal Sig Stafford Sterling Sorelite Top Flite Wing no less DOZEN other mfgo listed Hobby Swap News hAs few dollars Ia scale around $50 ENGINES OS Enya Fox Ross HP Super Tigre McCoy K&B Coo HB Rosol Webra biggies including Qaudra Evra Suevia twin 00s eto 30s $tS 40s $20 60s $30 brand new some bench run HELICOPTERS Schiater Hell-Boys & Heli-Babys American Commander & Revelations Kavan Jet Rangers GPM Crickett Oubro etc ander $100 BOATS Steam boats scale hosts deep vee racing boats sail boats tag boats air busts yachts hydros others CARS TOO Both gas electric motorcycles MISCELLANEOUS Flight packs servos ducted fans retracts toned pipes plans tools flight hoses coverivg materials starters prop drives wheels fool tanks hardware old magazines collectors memorabilia much mach mere BUYSELLTRADE advertise needs Hobby Swap News model enthusiasts 'Used Equipment Guide first ad FREE 50 words max subscription $10/yr 10 issues 3rd class mail 2 yr/$19 3 yr/$27 add $3/yr 1st class mail Canada & Mexico must use 1st class rates other countries write first MC & Visa accepted include numbers expiration date Allow 4 8 weeks first issue address changes Submit tree ads subscription orders Hobby Swap News PO Box 834 Dept AR-i Santa Maria CA 93456 Lowering cost having fun BUILDING NEEDS PROPS TISSUE RUBBER WINDERS BLADE SHARPENERS BEARtNGS PROP SHAFTS LUBE WASHERS WHEELS FUSE CO-2 MOTORS 00000 PLANS MORE ADVENTURE MODELS i2TPONY BLIMP Il-FT 9/C AIRSHIP -KIT $24900 P 0 BOX 2498 -MA LA MESA CALIF 92041 PHONE 714 409-8675 714 2-4636 just cant afford postage what can amount several hundred letters few months time dont want discourage writing Ijust want make easier help Daniel R Neukirch 4265 Bordeaux Dr Oak yule MO 63129 writes asking about scale three- four-bladed flying props fit Bud Nosen Corsair doubt truly scale prop would practical flying J&Z Zinger can provide three- four-blade props special order Robin Lehaman Opus Films LTD 63 East 82nd St NY NY 10028 asks fourcycle engine Quadra size 2 cu available says two-cycle engines too noisy flying location OS Gemini just big enough planes wants build thing can think five- seven-cylinder Technopower II radials Anyone Out know one- two-lung 4-cycle engines two three cubic inch displacement class Plans Review Didnt get plans month next time well take look Godreys Stearman Zirolis Corsair Another add list WACO UPF-7 all-time favorite airplanes Dave Richardson Star Route Deposit NY 13754 has finishedthe plans forhis quarter-scale version first saw 80 STARS Rally Olean NY Price $2350 includes shipping Bob Beckman 8248 Holly Grove Court Manassas VA 22110 RC Helicopters/Chesney Continued page 42 able made mistakes could have avoided 2 Practiceshort sessions three four half-tanks day possible 3 Mind tail rotor stay lowuntil can point chopper want know its pointing its crash tip-over waiting happen 4 Stay close too closeeight 10 feet nice 20 feet too far Youve got eyeball monitor its altitude constantly 5 Fly dont let fly Its better give small bum inputs can correct just hang onto sticks wraps its rotor around ankles 6 Persevere day like magic hands will decide what what eyes telling interfer 72 Wingspan QUADRA powered DRUINE TURBULENT Gross weight under 20 lbs No foam 1230 sq Simple construction fully detailed Proven design stable aerobatic Shock-absorbing landing gear takes abuse Full-size plans instructions photos best marketS30 pp USA DOUG MAC BRIEN 24 Truhy St Granhy Mass 01033 Send SASE info RJL K61 eAmerican made Schnuerle ports eDouble ball bearing ePerry carburetor eForged & domed piston eForged & busliu uon rod 0-ring sealed back cover Investment cast crankcase Kraft Engine Warranty Parts & Repair RJL INDUSTRIES PO BOX 5654 PASADENA CA 91107 213 359-0016 795-9621 December 1981 131 ugqested Retail $14800 Muffler Included
Edition: Model Aviation - 1981/12
Page Numbers: 40, 41, 128, 129, 130, 131
ConErol Giant Scale Bob Beckman GIANT SCALE ACCESSORIES have often commented fact lot control construction fittings other acces sories would useful Giant Scale modelers available ways Giant Scale modeling much same posi tion RC modeling late fifties early sixties time enough people moving hobby make practical manufacturers mass-produce market things making ourselves made easier more people build RC models turn meant demand new items can see same sort thing happening now Giant Scale big difference situation 4 Typical mounting cable pulleys Pulley/mount design prevents cable jammingeven restrains cables theyre slack such installing control surface though its both good bad Thats fact things have developed available standard size RC models good thing about dont have reinvent wheel what need has already done just want bigger stronger bad part newcomers N Giant Scale sometimes dont realize inade quacy of standard items applicationand use Giant model Happily situation improving rapidly As pointed out last Toledo column more manufacturers coming out items soecifically designed Giant Scale Some Aflock goodies CB Associates Top left control surface hinges Theyare Lto R butt hinge strap hinge combination butt/strap Theyall use brass bushing inserts brass-tube hinge pin Upper right application butt hinge aileron installation lower half will epoxied pinned intothe pocket andthetop skin thealleron will laidoverit Upper half held intothestructurewith a440 machinescrew Below left cable pulleys control horns bellcrank Rugged practical accessories Giant Scale Below right exhaust stack kitmanifold shown fits Kawasaki Kioritz Quadra manifold also available Bob has say about column 40 Model Aviation simply larger stronger versions familiar items Some things have never needed wanted before Almost issue model mag has new ads product reviews involving Giant Scale products month instead just mentioning things passing would like take detailed look few useful accessories C B Associates first firm know bring out line items designed ground up Giant Scale Most stuff has around several years adding new things time average modeler useful fittings hinges control horns Molded glass-filled nylon PBY 5 Catalina large enough handle control surface loads encounter hinges come three styles butt hinge strap hinge combination hinge uses butt part strap part made three basic pieces hinge half two outside loops hinge half central loop strap piece loop hinges have brass tubing inserts brass tube hinge pin assemble hinge first putting short pieces tubing loop lining up appropriate pieces slipping longer smaller-diameter tube through act pin have something keep pin slipping out C Bs package shows section straight pin inserted hole drilled through plastic brass tubing simply put drop Hot Stuff assemble hinge being careful get too much lock up action hinges can glued pinned using toothpicks please straight pins some cases can made removable example hinge close surface like aileron hinged along upper surface wing plywood pockets can built wing aileron hinges held screws butt hinge best kind installation tab hinge about es ample area either gluing screwContinued page 128 UOn riarris Ajflt smoke-making mufflers Left-hand photo shows units Kawasaki Kioritz attop Quadra Roper below Hignt-nanU pnuiu inside unfinished muffler reveals its secret Diesel fuel injected under pressure inner chamber vaporized exhaust heat before mixing engines exhaust Result billows white smoke Depicted mounted Kawasak engine Uat NORTHERN CALIFORNIAS LARGESTU IDISCOUNT HOBBY SHOPI Iwell FUEL I New high film strength lubricant $40000for increased power engine lifeI Hiahest auality ingredients H ion cut varnish ILL II II II II II II II II II II IHOURS Monday thru Wednesdoy 930-630 Thursday b l-nday v iU-OUUI L mmmmm Saturday9 30-600Sunday 1200-500J mm December1981 41 EaIFobncaon PBbfla 4&I9 gn stopped Snake pit again Aint no justice gosh going up well Oh well wait until next year wait As Cloudhopper glided slowly down within last few feet wings rocked bit nose started point up Could possibly lift Come rascal Go Go Go huge thermal model climbed higher higher much time need Theres still plenty daylight left suppose something will go wrong again Since timer restricted 50-ft radius unaided vision some concern expressed about model staying sight sufficient time Drifting slowly southeast gain ing immense height Cloudhopper large enough remain visible great distances unnamed timer settled long long period peering model airplane became apparent long flight would eventually drift across river Canada Milt left provide company encourage ment timer since virtually no else left airport Eddie Jack fired up car pursued Cloudhopper across Windsor Bridge Canada delightful help Northwest Mounties unable locate model returned learn timer recorded flight over three hours uninitiated rule Free Flight used say model timed its full flight f flight commenced before quitting time rule produced rather amazing problem. everyone gone timer still card Since Victory Banquet scheduled 700 pm everyone returned 15 miles hotel get cleaned up banquet Loading timer car nearlyecstatic threesome arrived banquet among citys dignitaries notables still dressed now thoroughly grubby clothes After brief discussion timers card accepted recorded course altered order Texaco finish caused reshuffling already-presented trophies words Jack Schwartz Its 43 years details have grown little vague can never ever forget Gods smile sure smiled us day us fortunate enough have flown Free Flight competition have shared Jack Schwartzs ecstasy time another dare say few us have ever topped time As matter fact would exceptional time today RC-assist Tcxaco Postscript Although Milt Kahn received trophy prizes patently obvious hard work perseverance Jack Schwartz made come true Isnt remarkable hobby often someone receives joy success friend own recog nition would bring uncredited win ners great hobby dedicate story also owe deep debt gratitude Jack sharing experience before lost forever Should reader have similar memories great moments hobby please share us Whoops Contrary information pre viously printed Herb WahIs new production run Ohlsson Gold Seal reproductions will utilize original tools dies fixtures long ago Herb developing new production equipment approval Irwin Ohlsson Dee B Mathews 506 South Walnut Greensburg KS 67054 RC Giant Scale/Beckman Continued page 41 mounting strap hinge useful need hinge line outside mounting surface some types flaps Frise-type aileron end hinge about two inches long hinge line can quite ways out still have ample mounting area combination hinge made strap TI-lE WORLDS FIRST ADJUSTABLE HAND SANDER THE DUPLICATOR MKI Pat Pending Just duplicator does following Creates accuratej-k 180 round patterns edges wings 1/8 thru 12 stabs ruddersJJ#/ 1/18 incruments tuselage etc included tool Duplicates roundsII Make own semi-rounds curvesJ4~A1t erns intinite angles up 1 deep number sizes 0 EXTRA HANDS Model Aircraft Covering Tool Model No 36 Pat No 33867271 last breakthrough make covering easy fast novice eupert Works types covering material monokote iberglass hit 01 Toledo Macs Dallas Pasadena shows 4 Al dealer order direct $1995 plus $200 tor shipping dealer order direct $1995 plus $200 shippingGREAT TIME SAVERS INVENTED BY AVID MODELER TO MAKE BUILDING EVEN MORE ENJOYABLE Once add tool collectionw ELDON J LIND COMPANY youll wonder got along them2912 Walker Lee Alamitos CA 90720Oistributors inquiries invited 1 28 Model Aviation landing taxying can pretty oughon airframerough radio equipment Smooth out shocks new tailwheel designed -with monster models mmd Unlike similar lever action main gear has trail angle pro-U smoother ride tail end plus good caster action precise centering Adjustable spring loading allows tune ride tail end floats over bumps Tough light alloy construction bright ted spring unit comes complete Allen key mounting screws extensive instruction sheet ir assembly customizing Oh way just thought would mention Cessna now using lever action gear like its monster models Now thats got tell something f9O9O DUCTS INC P0 ee,c 535DaRd W ew0o Pu sizes suit various wheel diameters TG-I V& I/4 TG-3 .. 2A & 24 rG-2 & 2t4 TG-4 4 & 3 SUPER SCALE PLANS LEISURE GRAND CHAMPIONSHIP tA9INbP 1/4 scale F9C 2 Sparrow Hawk 2150 Electric Sailplane Contest modeling products make tamous field caddies 11/2 scale Grumman Duck 1950 Siticone products Hardware Tools Send SASE Free catalog today1 3/4 scale Vought Kingfisher1950$1000 FIRST PRIZE AEROTRENO PROOucTSAdd $200 postage & handling 44W Prospect St New Haven CT 06515All shipped tube Send 50 brochureJan 9- 10 19B2 Anaheim California Tetephonet2031 3g73755Sand SASE far Complete Information SMITH PLANS 9422 N Fairway Blvd 11 DEERSPRING IRVINE CA 92714 Sun Lakes AZ 85224 piece two-loop hinge half has useful particularly handy want elevator rudder hinge line fairly deep control surface build butt half hinge example rudder make tight-fitting pockets fin strap half After model covered painted easy mount surface epoxying straps pockets C Bs control horns come two styles heavy duty unit both right- left-hand dual rudder unit larger horns about -in thick will stand up anything Giant Scale aircraft can take dual rudder horn lighter still rugged rudder horn intended slipped over leading edge rudder provides horn side attaching cables minor difficulty apparently designed go onto -in sheet sur faces serious drawback Besides find use rudder horns ailerons flaps rudders heavy duty unit sometimes little too heavy cutting center section out dual unit wind up right- left-hand horn convenient size next nice item good-sized bellcrank again made glass-filled nylon mounts 6-32 screw has large slop-free bearing Two equal-sized arms right angles longer third arm make unit usable almost situation particularly useful transition dual cable drives job right cable drives need pulleys C Bs pulleys another example attention detail pulley itself turned aluminum mounts another glass-filled nylon molding pulleys can mounted singly pairsor desired Any reasonably sized cable use 30 lb test nylon-covered fishing leader will fit pulley groove same time captured between pulley mount last point can important have leave cable slack temporarily mount control surface have found convenient way mount pulleys scews small plywood scraps epoxied structure needed Among C Bs newer items exhaust mani fold pipe kit fits Kawasaki engines also usable Kioritz manifold Quadra will available soon kit consists lightweight die cast aluminum manifold 45 degree elbow 90 degree elbow two lengths aluminum tubing custom exhaust system installation easily Fine Quality Flying Models Catalog $150 98 RUBBER POWER KITS plus Gliders CIL RIC Accessories Books 4 4 4 4 4 4 4 4 4 MAJESTIC MODELS 3273 West 129th Street Cleveland Ohio 44111 Solareraft presents 2 new fun flyers Solar Dart 12 rubber powered helicopter climbs over 2b0 $300 Ipostage paid ready fly Scud check manes order Solarcraft Pl i3oxhd2s untaBorkaro Bill halt tnjolrIe itt 1111 Sciar Scamp 12 high performance free flying stick m ci $400 potage poisi ready fly Thht eJd4m 7ode $9900 DELIVEREDa -V C/tA Four Folding Legs Wing h Fuselage Holders Add $400 Shipping f 6% Tax RAC Products408 274-1915 3200 Knightumood Way 0 San Jose CA 95148 December 1981129 K A4&NIIJ1[uiEDIIADIIIILt IIIIEIII%tN1[ PEANUT SCALE MODELS MUSTANG MILES M-1BZERO DRUINEPIETENPOL COUGARPIPER CUB GIPSY MOTHANDRESON GANAGOBIELACEY N-tO Rubber Poagered Balsa Tiasue Kits $495 SPORT MODELS PRAIRIE BIRD 44 KIT $495 BABY ACE$549 ONE NITE 30$595 ONE NITE 16$495 STRINGLESS WONDER$395 PECK ROG$109 RUBBER OR CO-2 POWERED COMPLETE CATALOG $100 HARD ro FIND ITEMS FOR RUBBER MODELS AND AIRSHIPS Peck-Polymers made parts provided C B has several other items new things coming along time recently added rugged stainless steel turnbuckle 3/16-in 0020 steel rigging wire Items hope release near future include control fittings wheels aluminum hubs foam tires C Bs products available hobby shops direct C B Associates Inc 21658 Cloud Way Hayward CA 94545 Don Harris new name Giant Scale accessories well known except West Coast Don has several things offer item attracting attention smoke-making muffler system Without doubt effective smoker Ive seen Uses straight diesel fuel no exotic additives secret internal construction muffler length tube inside expansion chamber positioned directly opposite en gines exhaust port reaches red hot temperatures diesel oil injected inner chamber vaporized before mixing engine exhaust result billowing cloud white smoke system does require fairly high-volume flow diesel fuel Muffler pressure has proven inadequate Don recommends using elec tric pump have seen Robart pump used good results Harris smoker rearexhaust Quadra Roper engines sells $3995 Models side-exhaust Kawasaki Kioritz slightly higher Available Don Harris 23668 Shadow Dr Auburn CA 95603 Correspondence have said before Im sure other columnist has too write question want answer sent directly you must include selfaddressed stamped envelope SASE want hear am happy either answer questions can try find answers usually get answers off day two STATEMENT OF OWNEOSHIP MANAGEMENT AND OIeOULATION vy,frc261 39 USC 3605 1 Title Publicatioc MODEL AVIATION A Pohlication No 007930 2 Date Fjllln Septemfoet 30 1901 3 Fteguenco l,ue MOothlc A NO t,oe Poblihed Annoelly 12 ACOOsI SobotivtjOn Plice stovo 4 Colnclete Mailog Addleta boson offoe tbOSIlOOt Ite, city 00010 tgte ZIP codel pinlenl 015 Fifteenth St NW WOflington DC 20005 S Conclete maling eddIes headvoatfets 0 venetal hoinest offite Poblishe, ptntttl vth Fifteenth St NW Washington DC 2osv5 0 Fol ngnes end complete addle, Pohl,fle Edito, Manaving Edito IThi ten MOST NOT blankI PoSlsfler CatI 6 Wheeley 515 Fitteonth St NW Wehngson DC zoovn Edfot CatI 0 Wheeley 015 Fifteenth St NW Wahnglon DC 20005 Managing Edito, NONE 7 Ooone Acadonno Model delongotics 0th Fifteenth St NW Wahington SC 2vosh o noose hondyolde, lnoltgageOt ofhesecotity holdors canning 01 hold mg f%olmneOf total anounlof honda notgogeso otfletsecotties NONE 9 Pot conpleion hy noncoft osanaations eofholised ma, ate lSecfon 4113 0MM onlyl porvoso london noecloft atalas oganaation esemyl status Fedetal incnne tao polnoes Floe changed ootog Pleceding 12 Inonlyg fOEtrent Nalote Cicolaton Acloal doerageSn cocie no copiesOfeingle issuessue dotingpuhliSed eecednSneatest 12 monthfling dete ATotal No Copot Net PIes vonlOSAvO7dDSS v Pad Citclaton 1SaleslhooghDoaiosondCalietSloet 6000, Coonle Sales35D6 4123 2Mail Sohgolipton5005464972 Total Paid CitoolalionOtSODe9v95 DFlee Dsl,holon Sc Mail Ca,e 0 0th, Mean, Sanoplet Connvlinentanv Othe Flee Copies22142222 Flofal Oistisootoo Son C & Dl03v7471417 F CnPcsNclDst,hoted 1Office Use Left Doe Unaccounted Scoilod afte Pintcg24202502 2ffetun Ibm New Agents194 UTotallSomoftb Ftgod2shouldegoal Ion shown o Al0040074D0h ftlcelTitylhatthestatementsmsdehymeahooealecolecl andcoeelele CARLO WHEELEY Edilot P,Sishe 130 Model Aviation $1 89IPkg N EW EASY-MOUNT K&B 40 $379 55t5tttE55s MVdtf 51310 vvrioe tO20825/a Roscoe Blvd Canoga Park CA 91 306 BILL EVANS R/C AIRCRAFTPhone213709-0894 MISSING SOMETHING youre reading Hobby Swap News youre losing money Hundreds new used equipment bargains ready-built models across US plus Canada Mexico following some bargains already missed out Beg borrow steal have dont miss next issue RAOIOSfrom $50 Kruft 6 ch rvos World Engines 5 ch rvos Aero Sport 6 oh rvos MAC 4 oh rvos MACS ch rvos Futaba 4 ch rvos Kraft 5 ch rvos Aero sport 4 oh rvos coo 3 cli rvos Caonoo 4 ch r vos Kraft 5 ch rvoo Kratt 4 ch rvos MAC 4 ch rvos coy 4 ch rvos Cirros 6 ch rvos MRc 5 ch rvoo World togines S ch rvos World Eogioos 7Gb rvoo MAC 8 oh rvos MACS ch rvoo Kraft 7 ch rvoo Caonoo 3 ch rvos Fotoba 3 oh rvos Kraft 5 ch rvos Kraft 2 oh rvoo traft 4 ch rvoo MRC 4 oh rvoo Fotaba 2 ch rvoo Kraft 3 oh rvoo Kruft 5 oh rvoo MAC 4 ch rvos World Engineo 4 ch rvos Kratt 2 oh rvoo MAC 4 ch rvos Kraft 4 ch rvoo Kraft 5 cli rvos Kraft 5 ch rvoo Kraft 4 ch rvos pbs others inclodisg Ace Hoathkit Hobby Lobby EK Citizesohip Orbit R-S Proline etc old 'Galloping Shoot' Nomeroos 4 5 & 6 channel complete systems $100 sod less BUILT UP Planes hA 20 size 30 size 40 size 50 size 60 size scale Trainers pattero sport pylon military scale civilian scale twins bi-planes gliders U/C FF etc $40 engine over $800 RTF KITS Airtronico Andrewo Berkely Bridi Bad Nosen Carl Goldberg Craft-Air 055 Ouve Platf Fliteglas Higgios Hobby Shack House Balsa Jemco Midwest Michigan Hobby Hangar Mile High Models Model Merchants Pica Royal Sig Stafford Sterling Sorelite Top Flite Wing no less DOZEN other mfgo listed Hobby Swap News hAs few dollars Ia scale around $50 ENGINES OS Enya Fox Ross HP Super Tigre McCoy K&B Coo HB Rosol Webra biggies including Qaudra Evra Suevia twin 00s eto 30s $tS 40s $20 60s $30 brand new some bench run HELICOPTERS Schiater Hell-Boys & Heli-Babys American Commander & Revelations Kavan Jet Rangers GPM Crickett Oubro etc ander $100 BOATS Steam boats scale hosts deep vee racing boats sail boats tag boats air busts yachts hydros others CARS TOO Both gas electric motorcycles MISCELLANEOUS Flight packs servos ducted fans retracts toned pipes plans tools flight hoses coverivg materials starters prop drives wheels fool tanks hardware old magazines collectors memorabilia much mach mere BUYSELLTRADE advertise needs Hobby Swap News model enthusiasts 'Used Equipment Guide first ad FREE 50 words max subscription $10/yr 10 issues 3rd class mail 2 yr/$19 3 yr/$27 add $3/yr 1st class mail Canada & Mexico must use 1st class rates other countries write first MC & Visa accepted include numbers expiration date Allow 4 8 weeks first issue address changes Submit tree ads subscription orders Hobby Swap News PO Box 834 Dept AR-i Santa Maria CA 93456 Lowering cost having fun BUILDING NEEDS PROPS TISSUE RUBBER WINDERS BLADE SHARPENERS BEARtNGS PROP SHAFTS LUBE WASHERS WHEELS FUSE CO-2 MOTORS 00000 PLANS MORE ADVENTURE MODELS i2TPONY BLIMP Il-FT 9/C AIRSHIP -KIT $24900 P 0 BOX 2498 -MA LA MESA CALIF 92041 PHONE 714 409-8675 714 2-4636 just cant afford postage what can amount several hundred letters few months time dont want discourage writing Ijust want make easier help Daniel R Neukirch 4265 Bordeaux Dr Oak yule MO 63129 writes asking about scale three- four-bladed flying props fit Bud Nosen Corsair doubt truly scale prop would practical flying J&Z Zinger can provide three- four-blade props special order Robin Lehaman Opus Films LTD 63 East 82nd St NY NY 10028 asks fourcycle engine Quadra size 2 cu available says two-cycle engines too noisy flying location OS Gemini just big enough planes wants build thing can think five- seven-cylinder Technopower II radials Anyone Out know one- two-lung 4-cycle engines two three cubic inch displacement class Plans Review Didnt get plans month next time well take look Godreys Stearman Zirolis Corsair Another add list WACO UPF-7 all-time favorite airplanes Dave Richardson Star Route Deposit NY 13754 has finishedthe plans forhis quarter-scale version first saw 80 STARS Rally Olean NY Price $2350 includes shipping Bob Beckman 8248 Holly Grove Court Manassas VA 22110 RC Helicopters/Chesney Continued page 42 able made mistakes could have avoided 2 Practiceshort sessions three four half-tanks day possible 3 Mind tail rotor stay lowuntil can point chopper want know its pointing its crash tip-over waiting happen 4 Stay close too closeeight 10 feet nice 20 feet too far Youve got eyeball monitor its altitude constantly 5 Fly dont let fly Its better give small bum inputs can correct just hang onto sticks wraps its rotor around ankles 6 Persevere day like magic hands will decide what what eyes telling interfer 72 Wingspan QUADRA powered DRUINE TURBULENT Gross weight under 20 lbs No foam 1230 sq Simple construction fully detailed Proven design stable aerobatic Shock-absorbing landing gear takes abuse Full-size plans instructions photos best marketS30 pp USA DOUG MAC BRIEN 24 Truhy St Granhy Mass 01033 Send SASE info RJL K61 eAmerican made Schnuerle ports eDouble ball bearing ePerry carburetor eForged & domed piston eForged & busliu uon rod 0-ring sealed back cover Investment cast crankcase Kraft Engine Warranty Parts & Repair RJL INDUSTRIES PO BOX 5654 PASADENA CA 91107 213 359-0016 795-9621 December 1981 131 ugqested Retail $14800 Muffler Included
Edition: Model Aviation - 1981/12
Page Numbers: 40, 41, 128, 129, 130, 131
ConErol Giant Scale Bob Beckman GIANT SCALE ACCESSORIES have often commented fact lot control construction fittings other acces sories would useful Giant Scale modelers available ways Giant Scale modeling much same posi tion RC modeling late fifties early sixties time enough people moving hobby make practical manufacturers mass-produce market things making ourselves made easier more people build RC models turn meant demand new items can see same sort thing happening now Giant Scale big difference situation 4 Typical mounting cable pulleys Pulley/mount design prevents cable jammingeven restrains cables theyre slack such installing control surface though its both good bad Thats fact things have developed available standard size RC models good thing about dont have reinvent wheel what need has already done just want bigger stronger bad part newcomers N Giant Scale sometimes dont realize inade quacy of standard items applicationand use Giant model Happily situation improving rapidly As pointed out last Toledo column more manufacturers coming out items soecifically designed Giant Scale Some Aflock goodies CB Associates Top left control surface hinges Theyare Lto R butt hinge strap hinge combination butt/strap Theyall use brass bushing inserts brass-tube hinge pin Upper right application butt hinge aileron installation lower half will epoxied pinned intothe pocket andthetop skin thealleron will laidoverit Upper half held intothestructurewith a440 machinescrew Below left cable pulleys control horns bellcrank Rugged practical accessories Giant Scale Below right exhaust stack kitmanifold shown fits Kawasaki Kioritz Quadra manifold also available Bob has say about column 40 Model Aviation simply larger stronger versions familiar items Some things have never needed wanted before Almost issue model mag has new ads product reviews involving Giant Scale products month instead just mentioning things passing would like take detailed look few useful accessories C B Associates first firm know bring out line items designed ground up Giant Scale Most stuff has around several years adding new things time average modeler useful fittings hinges control horns Molded glass-filled nylon PBY 5 Catalina large enough handle control surface loads encounter hinges come three styles butt hinge strap hinge combination hinge uses butt part strap part made three basic pieces hinge half two outside loops hinge half central loop strap piece loop hinges have brass tubing inserts brass tube hinge pin assemble hinge first putting short pieces tubing loop lining up appropriate pieces slipping longer smaller-diameter tube through act pin have something keep pin slipping out C Bs package shows section straight pin inserted hole drilled through plastic brass tubing simply put drop Hot Stuff assemble hinge being careful get too much lock up action hinges can glued pinned using toothpicks please straight pins some cases can made removable example hinge close surface like aileron hinged along upper surface wing plywood pockets can built wing aileron hinges held screws butt hinge best kind installation tab hinge about es ample area either gluing screwContinued page 128 UOn riarris Ajflt smoke-making mufflers Left-hand photo shows units Kawasaki Kioritz attop Quadra Roper below Hignt-nanU pnuiu inside unfinished muffler reveals its secret Diesel fuel injected under pressure inner chamber vaporized exhaust heat before mixing engines exhaust Result billows white smoke Depicted mounted Kawasak engine Uat NORTHERN CALIFORNIAS LARGESTU IDISCOUNT HOBBY SHOPI Iwell FUEL I New high film strength lubricant $40000for increased power engine lifeI Hiahest auality ingredients H ion cut varnish ILL II II II II II II II II II II IHOURS Monday thru Wednesdoy 930-630 Thursday b l-nday v iU-OUUI L mmmmm Saturday9 30-600Sunday 1200-500J mm December1981 41 EaIFobncaon PBbfla 4&I9 gn stopped Snake pit again Aint no justice gosh going up well Oh well wait until next year wait As Cloudhopper glided slowly down within last few feet wings rocked bit nose started point up Could possibly lift Come rascal Go Go Go huge thermal model climbed higher higher much time need Theres still plenty daylight left suppose something will go wrong again Since timer restricted 50-ft radius unaided vision some concern expressed about model staying sight sufficient time Drifting slowly southeast gain ing immense height Cloudhopper large enough remain visible great distances unnamed timer settled long long period peering model airplane became apparent long flight would eventually drift across river Canada Milt left provide company encourage ment timer since virtually no else left airport Eddie Jack fired up car pursued Cloudhopper across Windsor Bridge Canada delightful help Northwest Mounties unable locate model returned learn timer recorded flight over three hours uninitiated rule Free Flight used say model timed its full flight f flight commenced before quitting time rule produced rather amazing problem. everyone gone timer still card Since Victory Banquet scheduled 700 pm everyone returned 15 miles hotel get cleaned up banquet Loading timer car nearlyecstatic threesome arrived banquet among citys dignitaries notables still dressed now thoroughly grubby clothes After brief discussion timers card accepted recorded course altered order Texaco finish caused reshuffling already-presented trophies words Jack Schwartz Its 43 years details have grown little vague can never ever forget Gods smile sure smiled us day us fortunate enough have flown Free Flight competition have shared Jack Schwartzs ecstasy time another dare say few us have ever topped time As matter fact would exceptional time today RC-assist Tcxaco Postscript Although Milt Kahn received trophy prizes patently obvious hard work perseverance Jack Schwartz made come true Isnt remarkable hobby often someone receives joy success friend own recog nition would bring uncredited win ners great hobby dedicate story also owe deep debt gratitude Jack sharing experience before lost forever Should reader have similar memories great moments hobby please share us Whoops Contrary information pre viously printed Herb WahIs new production run Ohlsson Gold Seal reproductions will utilize original tools dies fixtures long ago Herb developing new production equipment approval Irwin Ohlsson Dee B Mathews 506 South Walnut Greensburg KS 67054 RC Giant Scale/Beckman Continued page 41 mounting strap hinge useful need hinge line outside mounting surface some types flaps Frise-type aileron end hinge about two inches long hinge line can quite ways out still have ample mounting area combination hinge made strap TI-lE WORLDS FIRST ADJUSTABLE HAND SANDER THE DUPLICATOR MKI Pat Pending Just duplicator does following Creates accuratej-k 180 round patterns edges wings 1/8 thru 12 stabs ruddersJJ#/ 1/18 incruments tuselage etc included tool Duplicates roundsII Make own semi-rounds curvesJ4~A1t erns intinite angles up 1 deep number sizes 0 EXTRA HANDS Model Aircraft Covering Tool Model No 36 Pat No 33867271 last breakthrough make covering easy fast novice eupert Works types covering material monokote iberglass hit 01 Toledo Macs Dallas Pasadena shows 4 Al dealer order direct $1995 plus $200 tor shipping dealer order direct $1995 plus $200 shippingGREAT TIME SAVERS INVENTED BY AVID MODELER TO MAKE BUILDING EVEN MORE ENJOYABLE Once add tool collectionw ELDON J LIND COMPANY youll wonder got along them2912 Walker Lee Alamitos CA 90720Oistributors inquiries invited 1 28 Model Aviation landing taxying can pretty oughon airframerough radio equipment Smooth out shocks new tailwheel designed -with monster models mmd Unlike similar lever action main gear has trail angle pro-U smoother ride tail end plus good caster action precise centering Adjustable spring loading allows tune ride tail end floats over bumps Tough light alloy construction bright ted spring unit comes complete Allen key mounting screws extensive instruction sheet ir assembly customizing Oh way just thought would mention Cessna now using lever action gear like its monster models Now thats got tell something f9O9O DUCTS INC P0 ee,c 535DaRd W ew0o Pu sizes suit various wheel diameters TG-I V& I/4 TG-3 .. 2A & 24 rG-2 & 2t4 TG-4 4 & 3 SUPER SCALE PLANS LEISURE GRAND CHAMPIONSHIP tA9INbP 1/4 scale F9C 2 Sparrow Hawk 2150 Electric Sailplane Contest modeling products make tamous field caddies 11/2 scale Grumman Duck 1950 Siticone products Hardware Tools Send SASE Free catalog today1 3/4 scale Vought Kingfisher1950$1000 FIRST PRIZE AEROTRENO PROOucTSAdd $200 postage & handling 44W Prospect St New Haven CT 06515All shipped tube Send 50 brochureJan 9- 10 19B2 Anaheim California Tetephonet2031 3g73755Sand SASE far Complete Information SMITH PLANS 9422 N Fairway Blvd 11 DEERSPRING IRVINE CA 92714 Sun Lakes AZ 85224 piece two-loop hinge half has useful particularly handy want elevator rudder hinge line fairly deep control surface build butt half hinge example rudder make tight-fitting pockets fin strap half After model covered painted easy mount surface epoxying straps pockets C Bs control horns come two styles heavy duty unit both right- left-hand dual rudder unit larger horns about -in thick will stand up anything Giant Scale aircraft can take dual rudder horn lighter still rugged rudder horn intended slipped over leading edge rudder provides horn side attaching cables minor difficulty apparently designed go onto -in sheet sur faces serious drawback Besides find use rudder horns ailerons flaps rudders heavy duty unit sometimes little too heavy cutting center section out dual unit wind up right- left-hand horn convenient size next nice item good-sized bellcrank again made glass-filled nylon mounts 6-32 screw has large slop-free bearing Two equal-sized arms right angles longer third arm make unit usable almost situation particularly useful transition dual cable drives job right cable drives need pulleys C Bs pulleys another example attention detail pulley itself turned aluminum mounts another glass-filled nylon molding pulleys can mounted singly pairsor desired Any reasonably sized cable use 30 lb test nylon-covered fishing leader will fit pulley groove same time captured between pulley mount last point can important have leave cable slack temporarily mount control surface have found convenient way mount pulleys scews small plywood scraps epoxied structure needed Among C Bs newer items exhaust mani fold pipe kit fits Kawasaki engines also usable Kioritz manifold Quadra will available soon kit consists lightweight die cast aluminum manifold 45 degree elbow 90 degree elbow two lengths aluminum tubing custom exhaust system installation easily Fine Quality Flying Models Catalog $150 98 RUBBER POWER KITS plus Gliders CIL RIC Accessories Books 4 4 4 4 4 4 4 4 4 MAJESTIC MODELS 3273 West 129th Street Cleveland Ohio 44111 Solareraft presents 2 new fun flyers Solar Dart 12 rubber powered helicopter climbs over 2b0 $300 Ipostage paid ready fly Scud check manes order Solarcraft Pl i3oxhd2s untaBorkaro Bill halt tnjolrIe itt 1111 Sciar Scamp 12 high performance free flying stick m ci $400 potage poisi ready fly Thht eJd4m 7ode $9900 DELIVEREDa -V C/tA Four Folding Legs Wing h Fuselage Holders Add $400 Shipping f 6% Tax RAC Products408 274-1915 3200 Knightumood Way 0 San Jose CA 95148 December 1981129 K A4&NIIJ1[uiEDIIADIIIILt IIIIEIII%tN1[ PEANUT SCALE MODELS MUSTANG MILES M-1BZERO DRUINEPIETENPOL COUGARPIPER CUB GIPSY MOTHANDRESON GANAGOBIELACEY N-tO Rubber Poagered Balsa Tiasue Kits $495 SPORT MODELS PRAIRIE BIRD 44 KIT $495 BABY ACE$549 ONE NITE 30$595 ONE NITE 16$495 STRINGLESS WONDER$395 PECK ROG$109 RUBBER OR CO-2 POWERED COMPLETE CATALOG $100 HARD ro FIND ITEMS FOR RUBBER MODELS AND AIRSHIPS Peck-Polymers made parts provided C B has several other items new things coming along time recently added rugged stainless steel turnbuckle 3/16-in 0020 steel rigging wire Items hope release near future include control fittings wheels aluminum hubs foam tires C Bs products available hobby shops direct C B Associates Inc 21658 Cloud Way Hayward CA 94545 Don Harris new name Giant Scale accessories well known except West Coast Don has several things offer item attracting attention smoke-making muffler system Without doubt effective smoker Ive seen Uses straight diesel fuel no exotic additives secret internal construction muffler length tube inside expansion chamber positioned directly opposite en gines exhaust port reaches red hot temperatures diesel oil injected inner chamber vaporized before mixing engine exhaust result billowing cloud white smoke system does require fairly high-volume flow diesel fuel Muffler pressure has proven inadequate Don recommends using elec tric pump have seen Robart pump used good results Harris smoker rearexhaust Quadra Roper engines sells $3995 Models side-exhaust Kawasaki Kioritz slightly higher Available Don Harris 23668 Shadow Dr Auburn CA 95603 Correspondence have said before Im sure other columnist has too write question want answer sent directly you must include selfaddressed stamped envelope SASE want hear am happy either answer questions can try find answers usually get answers off day two STATEMENT OF OWNEOSHIP MANAGEMENT AND OIeOULATION vy,frc261 39 USC 3605 1 Title Publicatioc MODEL AVIATION A Pohlication No 007930 2 Date Fjllln Septemfoet 30 1901 3 Fteguenco l,ue MOothlc A NO t,oe Poblihed Annoelly 12 ACOOsI SobotivtjOn Plice stovo 4 Colnclete Mailog Addleta boson offoe tbOSIlOOt Ite, city 00010 tgte ZIP codel pinlenl 015 Fifteenth St NW WOflington DC 20005 S Conclete maling eddIes headvoatfets 0 venetal hoinest offite Poblishe, ptntttl vth Fifteenth St NW Washington DC 2osv5 0 Fol ngnes end complete addle, Pohl,fle Edito, Manaving Edito IThi ten MOST NOT blankI PoSlsfler CatI 6 Wheeley 515 Fitteonth St NW Wehngson DC zoovn Edfot CatI 0 Wheeley 015 Fifteenth St NW Wahnglon DC 20005 Managing Edito, NONE 7 Ooone Acadonno Model delongotics 0th Fifteenth St NW Wahington SC 2vosh o noose hondyolde, lnoltgageOt ofhesecotity holdors canning 01 hold mg f%olmneOf total anounlof honda notgogeso otfletsecotties NONE 9 Pot conpleion hy noncoft osanaations eofholised ma, ate lSecfon 4113 0MM onlyl porvoso london noecloft atalas oganaation esemyl status Fedetal incnne tao polnoes Floe changed ootog Pleceding 12 Inonlyg fOEtrent Nalote Cicolaton Acloal doerageSn cocie no copiesOfeingle issuessue dotingpuhliSed eecednSneatest 12 monthfling dete ATotal No Copot Net PIes vonlOSAvO7dDSS v Pad Citclaton 1SaleslhooghDoaiosondCalietSloet 6000, Coonle Sales35D6 4123 2Mail Sohgolipton5005464972 Total Paid CitoolalionOtSODe9v95 DFlee Dsl,holon Sc Mail Ca,e 0 0th, Mean, Sanoplet Connvlinentanv Othe Flee Copies22142222 Flofal Oistisootoo Son C & Dl03v7471417 F CnPcsNclDst,hoted 1Office Use Left Doe Unaccounted Scoilod afte Pintcg24202502 2ffetun Ibm New Agents194 UTotallSomoftb Ftgod2shouldegoal Ion shown o Al0040074D0h ftlcelTitylhatthestatementsmsdehymeahooealecolecl andcoeelele CARLO WHEELEY Edilot P,Sishe 130 Model Aviation $1 89IPkg N EW EASY-MOUNT K&B 40 $379 55t5tttE55s MVdtf 51310 vvrioe tO20825/a Roscoe Blvd Canoga Park CA 91 306 BILL EVANS R/C AIRCRAFTPhone213709-0894 MISSING SOMETHING youre reading Hobby Swap News youre losing money Hundreds new used equipment bargains ready-built models across US plus Canada Mexico following some bargains already missed out Beg borrow steal have dont miss next issue RAOIOSfrom $50 Kruft 6 ch rvos World Engines 5 ch rvos Aero Sport 6 oh rvos MAC 4 oh rvos MACS ch rvos Futaba 4 ch rvos Kraft 5 ch rvos Aero sport 4 oh rvos coo 3 cli rvos Caonoo 4 ch r vos Kraft 5 ch rvoo Kratt 4 ch rvos MAC 4 ch rvos coy 4 ch rvos Cirros 6 ch rvos MRc 5 ch rvoo World togines S ch rvos World Eogioos 7Gb rvoo MAC 8 oh rvos MACS ch rvoo Kraft 7 ch rvoo Caonoo 3 ch rvos Fotoba 3 oh rvos Kraft 5 ch rvos Kraft 2 oh rvoo traft 4 ch rvoo MRC 4 oh rvoo Fotaba 2 ch rvoo Kraft 3 oh rvoo Kruft 5 oh rvoo MAC 4 ch rvos World Engineo 4 ch rvos Kratt 2 oh rvoo MAC 4 ch rvos Kraft 4 ch rvoo Kraft 5 cli rvos Kraft 5 ch rvoo Kraft 4 ch rvos pbs others inclodisg Ace Hoathkit Hobby Lobby EK Citizesohip Orbit R-S Proline etc old 'Galloping Shoot' Nomeroos 4 5 & 6 channel complete systems $100 sod less BUILT UP Planes hA 20 size 30 size 40 size 50 size 60 size scale Trainers pattero sport pylon military scale civilian scale twins bi-planes gliders U/C FF etc $40 engine over $800 RTF KITS Airtronico Andrewo Berkely Bridi Bad Nosen Carl Goldberg Craft-Air 055 Ouve Platf Fliteglas Higgios Hobby Shack House Balsa Jemco Midwest Michigan Hobby Hangar Mile High Models Model Merchants Pica Royal Sig Stafford Sterling Sorelite Top Flite Wing no less DOZEN other mfgo listed Hobby Swap News hAs few dollars Ia scale around $50 ENGINES OS Enya Fox Ross HP Super Tigre McCoy K&B Coo HB Rosol Webra biggies including Qaudra Evra Suevia twin 00s eto 30s $tS 40s $20 60s $30 brand new some bench run HELICOPTERS Schiater Hell-Boys & Heli-Babys American Commander & Revelations Kavan Jet Rangers GPM Crickett Oubro etc ander $100 BOATS Steam boats scale hosts deep vee racing boats sail boats tag boats air busts yachts hydros others CARS TOO Both gas electric motorcycles MISCELLANEOUS Flight packs servos ducted fans retracts toned pipes plans tools flight hoses coverivg materials starters prop drives wheels fool tanks hardware old magazines collectors memorabilia much mach mere BUYSELLTRADE advertise needs Hobby Swap News model enthusiasts 'Used Equipment Guide first ad FREE 50 words max subscription $10/yr 10 issues 3rd class mail 2 yr/$19 3 yr/$27 add $3/yr 1st class mail Canada & Mexico must use 1st class rates other countries write first MC & Visa accepted include numbers expiration date Allow 4 8 weeks first issue address changes Submit tree ads subscription orders Hobby Swap News PO Box 834 Dept AR-i Santa Maria CA 93456 Lowering cost having fun BUILDING NEEDS PROPS TISSUE RUBBER WINDERS BLADE SHARPENERS BEARtNGS PROP SHAFTS LUBE WASHERS WHEELS FUSE CO-2 MOTORS 00000 PLANS MORE ADVENTURE MODELS i2TPONY BLIMP Il-FT 9/C AIRSHIP -KIT $24900 P 0 BOX 2498 -MA LA MESA CALIF 92041 PHONE 714 409-8675 714 2-4636 just cant afford postage what can amount several hundred letters few months time dont want discourage writing Ijust want make easier help Daniel R Neukirch 4265 Bordeaux Dr Oak yule MO 63129 writes asking about scale three- four-bladed flying props fit Bud Nosen Corsair doubt truly scale prop would practical flying J&Z Zinger can provide three- four-blade props special order Robin Lehaman Opus Films LTD 63 East 82nd St NY NY 10028 asks fourcycle engine Quadra size 2 cu available says two-cycle engines too noisy flying location OS Gemini just big enough planes wants build thing can think five- seven-cylinder Technopower II radials Anyone Out know one- two-lung 4-cycle engines two three cubic inch displacement class Plans Review Didnt get plans month next time well take look Godreys Stearman Zirolis Corsair Another add list WACO UPF-7 all-time favorite airplanes Dave Richardson Star Route Deposit NY 13754 has finishedthe plans forhis quarter-scale version first saw 80 STARS Rally Olean NY Price $2350 includes shipping Bob Beckman 8248 Holly Grove Court Manassas VA 22110 RC Helicopters/Chesney Continued page 42 able made mistakes could have avoided 2 Practiceshort sessions three four half-tanks day possible 3 Mind tail rotor stay lowuntil can point chopper want know its pointing its crash tip-over waiting happen 4 Stay close too closeeight 10 feet nice 20 feet too far Youve got eyeball monitor its altitude constantly 5 Fly dont let fly Its better give small bum inputs can correct just hang onto sticks wraps its rotor around ankles 6 Persevere day like magic hands will decide what what eyes telling interfer 72 Wingspan QUADRA powered DRUINE TURBULENT Gross weight under 20 lbs No foam 1230 sq Simple construction fully detailed Proven design stable aerobatic Shock-absorbing landing gear takes abuse Full-size plans instructions photos best marketS30 pp USA DOUG MAC BRIEN 24 Truhy St Granhy Mass 01033 Send SASE info RJL K61 eAmerican made Schnuerle ports eDouble ball bearing ePerry carburetor eForged & domed piston eForged & busliu uon rod 0-ring sealed back cover Investment cast crankcase Kraft Engine Warranty Parts & Repair RJL INDUSTRIES PO BOX 5654 PASADENA CA 91107 213 359-0016 795-9621 December 1981 131 ugqested Retail $14800 Muffler Included
Edition: Model Aviation - 1981/12
Page Numbers: 40, 41, 128, 129, 130, 131
ConErol Giant Scale Bob Beckman GIANT SCALE ACCESSORIES have often commented fact lot control construction fittings other acces sories would useful Giant Scale modelers available ways Giant Scale modeling much same posi tion RC modeling late fifties early sixties time enough people moving hobby make practical manufacturers mass-produce market things making ourselves made easier more people build RC models turn meant demand new items can see same sort thing happening now Giant Scale big difference situation 4 Typical mounting cable pulleys Pulley/mount design prevents cable jammingeven restrains cables theyre slack such installing control surface though its both good bad Thats fact things have developed available standard size RC models good thing about dont have reinvent wheel what need has already done just want bigger stronger bad part newcomers N Giant Scale sometimes dont realize inade quacy of standard items applicationand use Giant model Happily situation improving rapidly As pointed out last Toledo column more manufacturers coming out items soecifically designed Giant Scale Some Aflock goodies CB Associates Top left control surface hinges Theyare Lto R butt hinge strap hinge combination butt/strap Theyall use brass bushing inserts brass-tube hinge pin Upper right application butt hinge aileron installation lower half will epoxied pinned intothe pocket andthetop skin thealleron will laidoverit Upper half held intothestructurewith a440 machinescrew Below left cable pulleys control horns bellcrank Rugged practical accessories Giant Scale Below right exhaust stack kitmanifold shown fits Kawasaki Kioritz Quadra manifold also available Bob has say about column 40 Model Aviation simply larger stronger versions familiar items Some things have never needed wanted before Almost issue model mag has new ads product reviews involving Giant Scale products month instead just mentioning things passing would like take detailed look few useful accessories C B Associates first firm know bring out line items designed ground up Giant Scale Most stuff has around several years adding new things time average modeler useful fittings hinges control horns Molded glass-filled nylon PBY 5 Catalina large enough handle control surface loads encounter hinges come three styles butt hinge strap hinge combination hinge uses butt part strap part made three basic pieces hinge half two outside loops hinge half central loop strap piece loop hinges have brass tubing inserts brass tube hinge pin assemble hinge first putting short pieces tubing loop lining up appropriate pieces slipping longer smaller-diameter tube through act pin have something keep pin slipping out C Bs package shows section straight pin inserted hole drilled through plastic brass tubing simply put drop Hot Stuff assemble hinge being careful get too much lock up action hinges can glued pinned using toothpicks please straight pins some cases can made removable example hinge close surface like aileron hinged along upper surface wing plywood pockets can built wing aileron hinges held screws butt hinge best kind installation tab hinge about es ample area either gluing screwContinued page 128 UOn riarris Ajflt smoke-making mufflers Left-hand photo shows units Kawasaki Kioritz attop Quadra Roper below Hignt-nanU pnuiu inside unfinished muffler reveals its secret Diesel fuel injected under pressure inner chamber vaporized exhaust heat before mixing engines exhaust Result billows white smoke Depicted mounted Kawasak engine Uat NORTHERN CALIFORNIAS LARGESTU IDISCOUNT HOBBY SHOPI Iwell FUEL I New high film strength lubricant $40000for increased power engine lifeI Hiahest auality ingredients H ion cut varnish ILL II II II II II II II II II II IHOURS Monday thru Wednesdoy 930-630 Thursday b l-nday v iU-OUUI L mmmmm Saturday9 30-600Sunday 1200-500J mm December1981 41 EaIFobncaon PBbfla 4&I9 gn stopped Snake pit again Aint no justice gosh going up well Oh well wait until next year wait As Cloudhopper glided slowly down within last few feet wings rocked bit nose started point up Could possibly lift Come rascal Go Go Go huge thermal model climbed higher higher much time need Theres still plenty daylight left suppose something will go wrong again Since timer restricted 50-ft radius unaided vision some concern expressed about model staying sight sufficient time Drifting slowly southeast gain ing immense height Cloudhopper large enough remain visible great distances unnamed timer settled long long period peering model airplane became apparent long flight would eventually drift across river Canada Milt left provide company encourage ment timer since virtually no else left airport Eddie Jack fired up car pursued Cloudhopper across Windsor Bridge Canada delightful help Northwest Mounties unable locate model returned learn timer recorded flight over three hours uninitiated rule Free Flight used say model timed its full flight f flight commenced before quitting time rule produced rather amazing problem. everyone gone timer still card Since Victory Banquet scheduled 700 pm everyone returned 15 miles hotel get cleaned up banquet Loading timer car nearlyecstatic threesome arrived banquet among citys dignitaries notables still dressed now thoroughly grubby clothes After brief discussion timers card accepted recorded course altered order Texaco finish caused reshuffling already-presented trophies words Jack Schwartz Its 43 years details have grown little vague can never ever forget Gods smile sure smiled us day us fortunate enough have flown Free Flight competition have shared Jack Schwartzs ecstasy time another dare say few us have ever topped time As matter fact would exceptional time today RC-assist Tcxaco Postscript Although Milt Kahn received trophy prizes patently obvious hard work perseverance Jack Schwartz made come true Isnt remarkable hobby often someone receives joy success friend own recog nition would bring uncredited win ners great hobby dedicate story also owe deep debt gratitude Jack sharing experience before lost forever Should reader have similar memories great moments hobby please share us Whoops Contrary information pre viously printed Herb WahIs new production run Ohlsson Gold Seal reproductions will utilize original tools dies fixtures long ago Herb developing new production equipment approval Irwin Ohlsson Dee B Mathews 506 South Walnut Greensburg KS 67054 RC Giant Scale/Beckman Continued page 41 mounting strap hinge useful need hinge line outside mounting surface some types flaps Frise-type aileron end hinge about two inches long hinge line can quite ways out still have ample mounting area combination hinge made strap TI-lE WORLDS FIRST ADJUSTABLE HAND SANDER THE DUPLICATOR MKI Pat Pending Just duplicator does following Creates accuratej-k 180 round patterns edges wings 1/8 thru 12 stabs ruddersJJ#/ 1/18 incruments tuselage etc included tool Duplicates roundsII Make own semi-rounds curvesJ4~A1t erns intinite angles up 1 deep number sizes 0 EXTRA HANDS Model Aircraft Covering Tool Model No 36 Pat No 33867271 last breakthrough make covering easy fast novice eupert Works types covering material monokote iberglass hit 01 Toledo Macs Dallas Pasadena shows 4 Al dealer order direct $1995 plus $200 tor shipping dealer order direct $1995 plus $200 shippingGREAT TIME SAVERS INVENTED BY AVID MODELER TO MAKE BUILDING EVEN MORE ENJOYABLE Once add tool collectionw ELDON J LIND COMPANY youll wonder got along them2912 Walker Lee Alamitos CA 90720Oistributors inquiries invited 1 28 Model Aviation landing taxying can pretty oughon airframerough radio equipment Smooth out shocks new tailwheel designed -with monster models mmd Unlike similar lever action main gear has trail angle pro-U smoother ride tail end plus good caster action precise centering Adjustable spring loading allows tune ride tail end floats over bumps Tough light alloy construction bright ted spring unit comes complete Allen key mounting screws extensive instruction sheet ir assembly customizing Oh way just thought would mention Cessna now using lever action gear like its monster models Now thats got tell something f9O9O DUCTS INC P0 ee,c 535DaRd W ew0o Pu sizes suit various wheel diameters TG-I V& I/4 TG-3 .. 2A & 24 rG-2 & 2t4 TG-4 4 & 3 SUPER SCALE PLANS LEISURE GRAND CHAMPIONSHIP tA9INbP 1/4 scale F9C 2 Sparrow Hawk 2150 Electric Sailplane Contest modeling products make tamous field caddies 11/2 scale Grumman Duck 1950 Siticone products Hardware Tools Send SASE Free catalog today1 3/4 scale Vought Kingfisher1950$1000 FIRST PRIZE AEROTRENO PROOucTSAdd $200 postage & handling 44W Prospect St New Haven CT 06515All shipped tube Send 50 brochureJan 9- 10 19B2 Anaheim California Tetephonet2031 3g73755Sand SASE far Complete Information SMITH PLANS 9422 N Fairway Blvd 11 DEERSPRING IRVINE CA 92714 Sun Lakes AZ 85224 piece two-loop hinge half has useful particularly handy want elevator rudder hinge line fairly deep control surface build butt half hinge example rudder make tight-fitting pockets fin strap half After model covered painted easy mount surface epoxying straps pockets C Bs control horns come two styles heavy duty unit both right- left-hand dual rudder unit larger horns about -in thick will stand up anything Giant Scale aircraft can take dual rudder horn lighter still rugged rudder horn intended slipped over leading edge rudder provides horn side attaching cables minor difficulty apparently designed go onto -in sheet sur faces serious drawback Besides find use rudder horns ailerons flaps rudders heavy duty unit sometimes little too heavy cutting center section out dual unit wind up right- left-hand horn convenient size next nice item good-sized bellcrank again made glass-filled nylon mounts 6-32 screw has large slop-free bearing Two equal-sized arms right angles longer third arm make unit usable almost situation particularly useful transition dual cable drives job right cable drives need pulleys C Bs pulleys another example attention detail pulley itself turned aluminum mounts another glass-filled nylon molding pulleys can mounted singly pairsor desired Any reasonably sized cable use 30 lb test nylon-covered fishing leader will fit pulley groove same time captured between pulley mount last point can important have leave cable slack temporarily mount control surface have found convenient way mount pulleys scews small plywood scraps epoxied structure needed Among C Bs newer items exhaust mani fold pipe kit fits Kawasaki engines also usable Kioritz manifold Quadra will available soon kit consists lightweight die cast aluminum manifold 45 degree elbow 90 degree elbow two lengths aluminum tubing custom exhaust system installation easily Fine Quality Flying Models Catalog $150 98 RUBBER POWER KITS plus Gliders CIL RIC Accessories Books 4 4 4 4 4 4 4 4 4 MAJESTIC MODELS 3273 West 129th Street Cleveland Ohio 44111 Solareraft presents 2 new fun flyers Solar Dart 12 rubber powered helicopter climbs over 2b0 $300 Ipostage paid ready fly Scud check manes order Solarcraft Pl i3oxhd2s untaBorkaro Bill halt tnjolrIe itt 1111 Sciar Scamp 12 high performance free flying stick m ci $400 potage poisi ready fly Thht eJd4m 7ode $9900 DELIVEREDa -V C/tA Four Folding Legs Wing h Fuselage Holders Add $400 Shipping f 6% Tax RAC Products408 274-1915 3200 Knightumood Way 0 San Jose CA 95148 December 1981129 K A4&NIIJ1[uiEDIIADIIIILt IIIIEIII%tN1[ PEANUT SCALE MODELS MUSTANG MILES M-1BZERO DRUINEPIETENPOL COUGARPIPER CUB GIPSY MOTHANDRESON GANAGOBIELACEY N-tO Rubber Poagered Balsa Tiasue Kits $495 SPORT MODELS PRAIRIE BIRD 44 KIT $495 BABY ACE$549 ONE NITE 30$595 ONE NITE 16$495 STRINGLESS WONDER$395 PECK ROG$109 RUBBER OR CO-2 POWERED COMPLETE CATALOG $100 HARD ro FIND ITEMS FOR RUBBER MODELS AND AIRSHIPS Peck-Polymers made parts provided C B has several other items new things coming along time recently added rugged stainless steel turnbuckle 3/16-in 0020 steel rigging wire Items hope release near future include control fittings wheels aluminum hubs foam tires C Bs products available hobby shops direct C B Associates Inc 21658 Cloud Way Hayward CA 94545 Don Harris new name Giant Scale accessories well known except West Coast Don has several things offer item attracting attention smoke-making muffler system Without doubt effective smoker Ive seen Uses straight diesel fuel no exotic additives secret internal construction muffler length tube inside expansion chamber positioned directly opposite en gines exhaust port reaches red hot temperatures diesel oil injected inner chamber vaporized before mixing engine exhaust result billowing cloud white smoke system does require fairly high-volume flow diesel fuel Muffler pressure has proven inadequate Don recommends using elec tric pump have seen Robart pump used good results Harris smoker rearexhaust Quadra Roper engines sells $3995 Models side-exhaust Kawasaki Kioritz slightly higher Available Don Harris 23668 Shadow Dr Auburn CA 95603 Correspondence have said before Im sure other columnist has too write question want answer sent directly you must include selfaddressed stamped envelope SASE want hear am happy either answer questions can try find answers usually get answers off day two STATEMENT OF OWNEOSHIP MANAGEMENT AND OIeOULATION vy,frc261 39 USC 3605 1 Title Publicatioc MODEL AVIATION A Pohlication No 007930 2 Date Fjllln Septemfoet 30 1901 3 Fteguenco l,ue MOothlc A NO t,oe Poblihed Annoelly 12 ACOOsI SobotivtjOn Plice stovo 4 Colnclete Mailog Addleta boson offoe tbOSIlOOt Ite, city 00010 tgte ZIP codel pinlenl 015 Fifteenth St NW WOflington DC 20005 S Conclete maling eddIes headvoatfets 0 venetal hoinest offite Poblishe, ptntttl vth Fifteenth St NW Washington DC 2osv5 0 Fol ngnes end complete addle, Pohl,fle Edito, Manaving Edito IThi ten MOST NOT blankI PoSlsfler CatI 6 Wheeley 515 Fitteonth St NW Wehngson DC zoovn Edfot CatI 0 Wheeley 015 Fifteenth St NW Wahnglon DC 20005 Managing Edito, NONE 7 Ooone Acadonno Model delongotics 0th Fifteenth St NW Wahington SC 2vosh o noose hondyolde, lnoltgageOt ofhesecotity holdors canning 01 hold mg f%olmneOf total anounlof honda notgogeso otfletsecotties NONE 9 Pot conpleion hy noncoft osanaations eofholised ma, ate lSecfon 4113 0MM onlyl porvoso london noecloft atalas oganaation esemyl status Fedetal incnne tao polnoes Floe changed ootog Pleceding 12 Inonlyg fOEtrent Nalote Cicolaton Acloal doerageSn cocie no copiesOfeingle issuessue dotingpuhliSed eecednSneatest 12 monthfling dete ATotal No Copot Net PIes vonlOSAvO7dDSS v Pad Citclaton 1SaleslhooghDoaiosondCalietSloet 6000, Coonle Sales35D6 4123 2Mail Sohgolipton5005464972 Total Paid CitoolalionOtSODe9v95 DFlee Dsl,holon Sc Mail Ca,e 0 0th, Mean, Sanoplet Connvlinentanv Othe Flee Copies22142222 Flofal Oistisootoo Son C & Dl03v7471417 F CnPcsNclDst,hoted 1Office Use Left Doe Unaccounted Scoilod afte Pintcg24202502 2ffetun Ibm New Agents194 UTotallSomoftb Ftgod2shouldegoal Ion shown o Al0040074D0h ftlcelTitylhatthestatementsmsdehymeahooealecolecl andcoeelele CARLO WHEELEY Edilot P,Sishe 130 Model Aviation $1 89IPkg N EW EASY-MOUNT K&B 40 $379 55t5tttE55s MVdtf 51310 vvrioe tO20825/a Roscoe Blvd Canoga Park CA 91 306 BILL EVANS R/C AIRCRAFTPhone213709-0894 MISSING SOMETHING youre reading Hobby Swap News youre losing money Hundreds new used equipment bargains ready-built models across US plus Canada Mexico following some bargains already missed out Beg borrow steal have dont miss next issue RAOIOSfrom $50 Kruft 6 ch rvos World Engines 5 ch rvos Aero Sport 6 oh rvos MAC 4 oh rvos MACS ch rvos Futaba 4 ch rvos Kraft 5 ch rvos Aero sport 4 oh rvos coo 3 cli rvos Caonoo 4 ch r vos Kraft 5 ch rvoo Kratt 4 ch rvos MAC 4 ch rvos coy 4 ch rvos Cirros 6 ch rvos MRc 5 ch rvoo World togines S ch rvos World Eogioos 7Gb rvoo MAC 8 oh rvos MACS ch rvoo Kraft 7 ch rvoo Caonoo 3 ch rvos Fotoba 3 oh rvos Kraft 5 ch rvos Kraft 2 oh rvoo traft 4 ch rvoo MRC 4 oh rvoo Fotaba 2 ch rvoo Kraft 3 oh rvoo Kruft 5 oh rvoo MAC 4 ch rvos World Engineo 4 ch rvos Kratt 2 oh rvoo MAC 4 ch rvos Kraft 4 ch rvoo Kraft 5 cli rvos Kraft 5 ch rvoo Kraft 4 ch rvos pbs others inclodisg Ace Hoathkit Hobby Lobby EK Citizesohip Orbit R-S Proline etc old 'Galloping Shoot' Nomeroos 4 5 & 6 channel complete systems $100 sod less BUILT UP Planes hA 20 size 30 size 40 size 50 size 60 size scale Trainers pattero sport pylon military scale civilian scale twins bi-planes gliders U/C FF etc $40 engine over $800 RTF KITS Airtronico Andrewo Berkely Bridi Bad Nosen Carl Goldberg Craft-Air 055 Ouve Platf Fliteglas Higgios Hobby Shack House Balsa Jemco Midwest Michigan Hobby Hangar Mile High Models Model Merchants Pica Royal Sig Stafford Sterling Sorelite Top Flite Wing no less DOZEN other mfgo listed Hobby Swap News hAs few dollars Ia scale around $50 ENGINES OS Enya Fox Ross HP Super Tigre McCoy K&B Coo HB Rosol Webra biggies including Qaudra Evra Suevia twin 00s eto 30s $tS 40s $20 60s $30 brand new some bench run HELICOPTERS Schiater Hell-Boys & Heli-Babys American Commander & Revelations Kavan Jet Rangers GPM Crickett Oubro etc ander $100 BOATS Steam boats scale hosts deep vee racing boats sail boats tag boats air busts yachts hydros others CARS TOO Both gas electric motorcycles MISCELLANEOUS Flight packs servos ducted fans retracts toned pipes plans tools flight hoses coverivg materials starters prop drives wheels fool tanks hardware old magazines collectors memorabilia much mach mere BUYSELLTRADE advertise needs Hobby Swap News model enthusiasts 'Used Equipment Guide first ad FREE 50 words max subscription $10/yr 10 issues 3rd class mail 2 yr/$19 3 yr/$27 add $3/yr 1st class mail Canada & Mexico must use 1st class rates other countries write first MC & Visa accepted include numbers expiration date Allow 4 8 weeks first issue address changes Submit tree ads subscription orders Hobby Swap News PO Box 834 Dept AR-i Santa Maria CA 93456 Lowering cost having fun BUILDING NEEDS PROPS TISSUE RUBBER WINDERS BLADE SHARPENERS BEARtNGS PROP SHAFTS LUBE WASHERS WHEELS FUSE CO-2 MOTORS 00000 PLANS MORE ADVENTURE MODELS i2TPONY BLIMP Il-FT 9/C AIRSHIP -KIT $24900 P 0 BOX 2498 -MA LA MESA CALIF 92041 PHONE 714 409-8675 714 2-4636 just cant afford postage what can amount several hundred letters few months time dont want discourage writing Ijust want make easier help Daniel R Neukirch 4265 Bordeaux Dr Oak yule MO 63129 writes asking about scale three- four-bladed flying props fit Bud Nosen Corsair doubt truly scale prop would practical flying J&Z Zinger can provide three- four-blade props special order Robin Lehaman Opus Films LTD 63 East 82nd St NY NY 10028 asks fourcycle engine Quadra size 2 cu available says two-cycle engines too noisy flying location OS Gemini just big enough planes wants build thing can think five- seven-cylinder Technopower II radials Anyone Out know one- two-lung 4-cycle engines two three cubic inch displacement class Plans Review Didnt get plans month next time well take look Godreys Stearman Zirolis Corsair Another add list WACO UPF-7 all-time favorite airplanes Dave Richardson Star Route Deposit NY 13754 has finishedthe plans forhis quarter-scale version first saw 80 STARS Rally Olean NY Price $2350 includes shipping Bob Beckman 8248 Holly Grove Court Manassas VA 22110 RC Helicopters/Chesney Continued page 42 able made mistakes could have avoided 2 Practiceshort sessions three four half-tanks day possible 3 Mind tail rotor stay lowuntil can point chopper want know its pointing its crash tip-over waiting happen 4 Stay close too closeeight 10 feet nice 20 feet too far Youve got eyeball monitor its altitude constantly 5 Fly dont let fly Its better give small bum inputs can correct just hang onto sticks wraps its rotor around ankles 6 Persevere day like magic hands will decide what what eyes telling interfer 72 Wingspan QUADRA powered DRUINE TURBULENT Gross weight under 20 lbs No foam 1230 sq Simple construction fully detailed Proven design stable aerobatic Shock-absorbing landing gear takes abuse Full-size plans instructions photos best marketS30 pp USA DOUG MAC BRIEN 24 Truhy St Granhy Mass 01033 Send SASE info RJL K61 eAmerican made Schnuerle ports eDouble ball bearing ePerry carburetor eForged & domed piston eForged & busliu uon rod 0-ring sealed back cover Investment cast crankcase Kraft Engine Warranty Parts & Repair RJL INDUSTRIES PO BOX 5654 PASADENA CA 91107 213 359-0016 795-9621 December 1981 131 ugqested Retail $14800 Muffler Included
Edition: Model Aviation - 1981/12
Page Numbers: 40, 41, 128, 129, 130, 131
ConErol Giant Scale Bob Beckman GIANT SCALE ACCESSORIES have often commented fact lot control construction fittings other acces sories would useful Giant Scale modelers available ways Giant Scale modeling much same posi tion RC modeling late fifties early sixties time enough people moving hobby make practical manufacturers mass-produce market things making ourselves made easier more people build RC models turn meant demand new items can see same sort thing happening now Giant Scale big difference situation 4 Typical mounting cable pulleys Pulley/mount design prevents cable jammingeven restrains cables theyre slack such installing control surface though its both good bad Thats fact things have developed available standard size RC models good thing about dont have reinvent wheel what need has already done just want bigger stronger bad part newcomers N Giant Scale sometimes dont realize inade quacy of standard items applicationand use Giant model Happily situation improving rapidly As pointed out last Toledo column more manufacturers coming out items soecifically designed Giant Scale Some Aflock goodies CB Associates Top left control surface hinges Theyare Lto R butt hinge strap hinge combination butt/strap Theyall use brass bushing inserts brass-tube hinge pin Upper right application butt hinge aileron installation lower half will epoxied pinned intothe pocket andthetop skin thealleron will laidoverit Upper half held intothestructurewith a440 machinescrew Below left cable pulleys control horns bellcrank Rugged practical accessories Giant Scale Below right exhaust stack kitmanifold shown fits Kawasaki Kioritz Quadra manifold also available Bob has say about column 40 Model Aviation simply larger stronger versions familiar items Some things have never needed wanted before Almost issue model mag has new ads product reviews involving Giant Scale products month instead just mentioning things passing would like take detailed look few useful accessories C B Associates first firm know bring out line items designed ground up Giant Scale Most stuff has around several years adding new things time average modeler useful fittings hinges control horns Molded glass-filled nylon PBY 5 Catalina large enough handle control surface loads encounter hinges come three styles butt hinge strap hinge combination hinge uses butt part strap part made three basic pieces hinge half two outside loops hinge half central loop strap piece loop hinges have brass tubing inserts brass tube hinge pin assemble hinge first putting short pieces tubing loop lining up appropriate pieces slipping longer smaller-diameter tube through act pin have something keep pin slipping out C Bs package shows section straight pin inserted hole drilled through plastic brass tubing simply put drop Hot Stuff assemble hinge being careful get too much lock up action hinges can glued pinned using toothpicks please straight pins some cases can made removable example hinge close surface like aileron hinged along upper surface wing plywood pockets can built wing aileron hinges held screws butt hinge best kind installation tab hinge about es ample area either gluing screwContinued page 128 UOn riarris Ajflt smoke-making mufflers Left-hand photo shows units Kawasaki Kioritz attop Quadra Roper below Hignt-nanU pnuiu inside unfinished muffler reveals its secret Diesel fuel injected under pressure inner chamber vaporized exhaust heat before mixing engines exhaust Result billows white smoke Depicted mounted Kawasak engine Uat NORTHERN CALIFORNIAS LARGESTU IDISCOUNT HOBBY SHOPI Iwell FUEL I New high film strength lubricant $40000for increased power engine lifeI Hiahest auality ingredients H ion cut varnish ILL II II II II II II II II II II IHOURS Monday thru Wednesdoy 930-630 Thursday b l-nday v iU-OUUI L mmmmm Saturday9 30-600Sunday 1200-500J mm December1981 41 EaIFobncaon PBbfla 4&I9 gn stopped Snake pit again Aint no justice gosh going up well Oh well wait until next year wait As Cloudhopper glided slowly down within last few feet wings rocked bit nose started point up Could possibly lift Come rascal Go Go Go huge thermal model climbed higher higher much time need Theres still plenty daylight left suppose something will go wrong again Since timer restricted 50-ft radius unaided vision some concern expressed about model staying sight sufficient time Drifting slowly southeast gain ing immense height Cloudhopper large enough remain visible great distances unnamed timer settled long long period peering model airplane became apparent long flight would eventually drift across river Canada Milt left provide company encourage ment timer since virtually no else left airport Eddie Jack fired up car pursued Cloudhopper across Windsor Bridge Canada delightful help Northwest Mounties unable locate model returned learn timer recorded flight over three hours uninitiated rule Free Flight used say model timed its full flight f flight commenced before quitting time rule produced rather amazing problem. everyone gone timer still card Since Victory Banquet scheduled 700 pm everyone returned 15 miles hotel get cleaned up banquet Loading timer car nearlyecstatic threesome arrived banquet among citys dignitaries notables still dressed now thoroughly grubby clothes After brief discussion timers card accepted recorded course altered order Texaco finish caused reshuffling already-presented trophies words Jack Schwartz Its 43 years details have grown little vague can never ever forget Gods smile sure smiled us day us fortunate enough have flown Free Flight competition have shared Jack Schwartzs ecstasy time another dare say few us have ever topped time As matter fact would exceptional time today RC-assist Tcxaco Postscript Although Milt Kahn received trophy prizes patently obvious hard work perseverance Jack Schwartz made come true Isnt remarkable hobby often someone receives joy success friend own recog nition would bring uncredited win ners great hobby dedicate story also owe deep debt gratitude Jack sharing experience before lost forever Should reader have similar memories great moments hobby please share us Whoops Contrary information pre viously printed Herb WahIs new production run Ohlsson Gold Seal reproductions will utilize original tools dies fixtures long ago Herb developing new production equipment approval Irwin Ohlsson Dee B Mathews 506 South Walnut Greensburg KS 67054 RC Giant Scale/Beckman Continued page 41 mounting strap hinge useful need hinge line outside mounting surface some types flaps Frise-type aileron end hinge about two inches long hinge line can quite ways out still have ample mounting area combination hinge made strap TI-lE WORLDS FIRST ADJUSTABLE HAND SANDER THE DUPLICATOR MKI Pat Pending Just duplicator does following Creates accuratej-k 180 round patterns edges wings 1/8 thru 12 stabs ruddersJJ#/ 1/18 incruments tuselage etc included tool Duplicates roundsII Make own semi-rounds curvesJ4~A1t erns intinite angles up 1 deep number sizes 0 EXTRA HANDS Model Aircraft Covering Tool Model No 36 Pat No 33867271 last breakthrough make covering easy fast novice eupert Works types covering material monokote iberglass hit 01 Toledo Macs Dallas Pasadena shows 4 Al dealer order direct $1995 plus $200 tor shipping dealer order direct $1995 plus $200 shippingGREAT TIME SAVERS INVENTED BY AVID MODELER TO MAKE BUILDING EVEN MORE ENJOYABLE Once add tool collectionw ELDON J LIND COMPANY youll wonder got along them2912 Walker Lee Alamitos CA 90720Oistributors inquiries invited 1 28 Model Aviation landing taxying can pretty oughon airframerough radio equipment Smooth out shocks new tailwheel designed -with monster models mmd Unlike similar lever action main gear has trail angle pro-U smoother ride tail end plus good caster action precise centering Adjustable spring loading allows tune ride tail end floats over bumps Tough light alloy construction bright ted spring unit comes complete Allen key mounting screws extensive instruction sheet ir assembly customizing Oh way just thought would mention Cessna now using lever action gear like its monster models Now thats got tell something f9O9O DUCTS INC P0 ee,c 535DaRd W ew0o Pu sizes suit various wheel diameters TG-I V& I/4 TG-3 .. 2A & 24 rG-2 & 2t4 TG-4 4 & 3 SUPER SCALE PLANS LEISURE GRAND CHAMPIONSHIP tA9INbP 1/4 scale F9C 2 Sparrow Hawk 2150 Electric Sailplane Contest modeling products make tamous field caddies 11/2 scale Grumman Duck 1950 Siticone products Hardware Tools Send SASE Free catalog today1 3/4 scale Vought Kingfisher1950$1000 FIRST PRIZE AEROTRENO PROOucTSAdd $200 postage & handling 44W Prospect St New Haven CT 06515All shipped tube Send 50 brochureJan 9- 10 19B2 Anaheim California Tetephonet2031 3g73755Sand SASE far Complete Information SMITH PLANS 9422 N Fairway Blvd 11 DEERSPRING IRVINE CA 92714 Sun Lakes AZ 85224 piece two-loop hinge half has useful particularly handy want elevator rudder hinge line fairly deep control surface build butt half hinge example rudder make tight-fitting pockets fin strap half After model covered painted easy mount surface epoxying straps pockets C Bs control horns come two styles heavy duty unit both right- left-hand dual rudder unit larger horns about -in thick will stand up anything Giant Scale aircraft can take dual rudder horn lighter still rugged rudder horn intended slipped over leading edge rudder provides horn side attaching cables minor difficulty apparently designed go onto -in sheet sur faces serious drawback Besides find use rudder horns ailerons flaps rudders heavy duty unit sometimes little too heavy cutting center section out dual unit wind up right- left-hand horn convenient size next nice item good-sized bellcrank again made glass-filled nylon mounts 6-32 screw has large slop-free bearing Two equal-sized arms right angles longer third arm make unit usable almost situation particularly useful transition dual cable drives job right cable drives need pulleys C Bs pulleys another example attention detail pulley itself turned aluminum mounts another glass-filled nylon molding pulleys can mounted singly pairsor desired Any reasonably sized cable use 30 lb test nylon-covered fishing leader will fit pulley groove same time captured between pulley mount last point can important have leave cable slack temporarily mount control surface have found convenient way mount pulleys scews small plywood scraps epoxied structure needed Among C Bs newer items exhaust mani fold pipe kit fits Kawasaki engines also usable Kioritz manifold Quadra will available soon kit consists lightweight die cast aluminum manifold 45 degree elbow 90 degree elbow two lengths aluminum tubing custom exhaust system installation easily Fine Quality Flying Models Catalog $150 98 RUBBER POWER KITS plus Gliders CIL RIC Accessories Books 4 4 4 4 4 4 4 4 4 MAJESTIC MODELS 3273 West 129th Street Cleveland Ohio 44111 Solareraft presents 2 new fun flyers Solar Dart 12 rubber powered helicopter climbs over 2b0 $300 Ipostage paid ready fly Scud check manes order Solarcraft Pl i3oxhd2s untaBorkaro Bill halt tnjolrIe itt 1111 Sciar Scamp 12 high performance free flying stick m ci $400 potage poisi ready fly Thht eJd4m 7ode $9900 DELIVEREDa -V C/tA Four Folding Legs Wing h Fuselage Holders Add $400 Shipping f 6% Tax RAC Products408 274-1915 3200 Knightumood Way 0 San Jose CA 95148 December 1981129 K A4&NIIJ1[uiEDIIADIIIILt IIIIEIII%tN1[ PEANUT SCALE MODELS MUSTANG MILES M-1BZERO DRUINEPIETENPOL COUGARPIPER CUB GIPSY MOTHANDRESON GANAGOBIELACEY N-tO Rubber Poagered Balsa Tiasue Kits $495 SPORT MODELS PRAIRIE BIRD 44 KIT $495 BABY ACE$549 ONE NITE 30$595 ONE NITE 16$495 STRINGLESS WONDER$395 PECK ROG$109 RUBBER OR CO-2 POWERED COMPLETE CATALOG $100 HARD ro FIND ITEMS FOR RUBBER MODELS AND AIRSHIPS Peck-Polymers made parts provided C B has several other items new things coming along time recently added rugged stainless steel turnbuckle 3/16-in 0020 steel rigging wire Items hope release near future include control fittings wheels aluminum hubs foam tires C Bs products available hobby shops direct C B Associates Inc 21658 Cloud Way Hayward CA 94545 Don Harris new name Giant Scale accessories well known except West Coast Don has several things offer item attracting attention smoke-making muffler system Without doubt effective smoker Ive seen Uses straight diesel fuel no exotic additives secret internal construction muffler length tube inside expansion chamber positioned directly opposite en gines exhaust port reaches red hot temperatures diesel oil injected inner chamber vaporized before mixing engine exhaust result billowing cloud white smoke system does require fairly high-volume flow diesel fuel Muffler pressure has proven inadequate Don recommends using elec tric pump have seen Robart pump used good results Harris smoker rearexhaust Quadra Roper engines sells $3995 Models side-exhaust Kawasaki Kioritz slightly higher Available Don Harris 23668 Shadow Dr Auburn CA 95603 Correspondence have said before Im sure other columnist has too write question want answer sent directly you must include selfaddressed stamped envelope SASE want hear am happy either answer questions can try find answers usually get answers off day two STATEMENT OF OWNEOSHIP MANAGEMENT AND OIeOULATION vy,frc261 39 USC 3605 1 Title Publicatioc MODEL AVIATION A Pohlication No 007930 2 Date Fjllln Septemfoet 30 1901 3 Fteguenco l,ue MOothlc A NO t,oe Poblihed Annoelly 12 ACOOsI SobotivtjOn Plice stovo 4 Colnclete Mailog Addleta boson offoe tbOSIlOOt Ite, city 00010 tgte ZIP codel pinlenl 015 Fifteenth St NW WOflington DC 20005 S Conclete maling eddIes headvoatfets 0 venetal hoinest offite Poblishe, ptntttl vth Fifteenth St NW Washington DC 2osv5 0 Fol ngnes end complete addle, Pohl,fle Edito, Manaving Edito IThi ten MOST NOT blankI PoSlsfler CatI 6 Wheeley 515 Fitteonth St NW Wehngson DC zoovn Edfot CatI 0 Wheeley 015 Fifteenth St NW Wahnglon DC 20005 Managing Edito, NONE 7 Ooone Acadonno Model delongotics 0th Fifteenth St NW Wahington SC 2vosh o noose hondyolde, lnoltgageOt ofhesecotity holdors canning 01 hold mg f%olmneOf total anounlof honda notgogeso otfletsecotties NONE 9 Pot conpleion hy noncoft osanaations eofholised ma, ate lSecfon 4113 0MM onlyl porvoso london noecloft atalas oganaation esemyl status Fedetal incnne tao polnoes Floe changed ootog Pleceding 12 Inonlyg fOEtrent Nalote Cicolaton Acloal doerageSn cocie no copiesOfeingle issuessue dotingpuhliSed eecednSneatest 12 monthfling dete ATotal No Copot Net PIes vonlOSAvO7dDSS v Pad Citclaton 1SaleslhooghDoaiosondCalietSloet 6000, Coonle Sales35D6 4123 2Mail Sohgolipton5005464972 Total Paid CitoolalionOtSODe9v95 DFlee Dsl,holon Sc Mail Ca,e 0 0th, Mean, Sanoplet Connvlinentanv Othe Flee Copies22142222 Flofal Oistisootoo Son C & Dl03v7471417 F CnPcsNclDst,hoted 1Office Use Left Doe Unaccounted Scoilod afte Pintcg24202502 2ffetun Ibm New Agents194 UTotallSomoftb Ftgod2shouldegoal Ion shown o Al0040074D0h ftlcelTitylhatthestatementsmsdehymeahooealecolecl andcoeelele CARLO WHEELEY Edilot P,Sishe 130 Model Aviation $1 89IPkg N EW EASY-MOUNT K&B 40 $379 55t5tttE55s MVdtf 51310 vvrioe tO20825/a Roscoe Blvd Canoga Park CA 91 306 BILL EVANS R/C AIRCRAFTPhone213709-0894 MISSING SOMETHING youre reading Hobby Swap News youre losing money Hundreds new used equipment bargains ready-built models across US plus Canada Mexico following some bargains already missed out Beg borrow steal have dont miss next issue RAOIOSfrom $50 Kruft 6 ch rvos World Engines 5 ch rvos Aero Sport 6 oh rvos MAC 4 oh rvos MACS ch rvos Futaba 4 ch rvos Kraft 5 ch rvos Aero sport 4 oh rvos coo 3 cli rvos Caonoo 4 ch r vos Kraft 5 ch rvoo Kratt 4 ch rvos MAC 4 ch rvos coy 4 ch rvos Cirros 6 ch rvos MRc 5 ch rvoo World togines S ch rvos World Eogioos 7Gb rvoo MAC 8 oh rvos MACS ch rvoo Kraft 7 ch rvoo Caonoo 3 ch rvos Fotoba 3 oh rvos Kraft 5 ch rvos Kraft 2 oh rvoo traft 4 ch rvoo MRC 4 oh rvoo Fotaba 2 ch rvoo Kraft 3 oh rvoo Kruft 5 oh rvoo MAC 4 ch rvos World Engineo 4 ch rvos Kratt 2 oh rvoo MAC 4 ch rvos Kraft 4 ch rvoo Kraft 5 cli rvos Kraft 5 ch rvoo Kraft 4 ch rvos pbs others inclodisg Ace Hoathkit Hobby Lobby EK Citizesohip Orbit R-S Proline etc old 'Galloping Shoot' Nomeroos 4 5 & 6 channel complete systems $100 sod less BUILT UP Planes hA 20 size 30 size 40 size 50 size 60 size scale Trainers pattero sport pylon military scale civilian scale twins bi-planes gliders U/C FF etc $40 engine over $800 RTF KITS Airtronico Andrewo Berkely Bridi Bad Nosen Carl Goldberg Craft-Air 055 Ouve Platf Fliteglas Higgios Hobby Shack House Balsa Jemco Midwest Michigan Hobby Hangar Mile High Models Model Merchants Pica Royal Sig Stafford Sterling Sorelite Top Flite Wing no less DOZEN other mfgo listed Hobby Swap News hAs few dollars Ia scale around $50 ENGINES OS Enya Fox Ross HP Super Tigre McCoy K&B Coo HB Rosol Webra biggies including Qaudra Evra Suevia twin 00s eto 30s $tS 40s $20 60s $30 brand new some bench run HELICOPTERS Schiater Hell-Boys & Heli-Babys American Commander & Revelations Kavan Jet Rangers GPM Crickett Oubro etc ander $100 BOATS Steam boats scale hosts deep vee racing boats sail boats tag boats air busts yachts hydros others CARS TOO Both gas electric motorcycles MISCELLANEOUS Flight packs servos ducted fans retracts toned pipes plans tools flight hoses coverivg materials starters prop drives wheels fool tanks hardware old magazines collectors memorabilia much mach mere BUYSELLTRADE advertise needs Hobby Swap News model enthusiasts 'Used Equipment Guide first ad FREE 50 words max subscription $10/yr 10 issues 3rd class mail 2 yr/$19 3 yr/$27 add $3/yr 1st class mail Canada & Mexico must use 1st class rates other countries write first MC & Visa accepted include numbers expiration date Allow 4 8 weeks first issue address changes Submit tree ads subscription orders Hobby Swap News PO Box 834 Dept AR-i Santa Maria CA 93456 Lowering cost having fun BUILDING NEEDS PROPS TISSUE RUBBER WINDERS BLADE SHARPENERS BEARtNGS PROP SHAFTS LUBE WASHERS WHEELS FUSE CO-2 MOTORS 00000 PLANS MORE ADVENTURE MODELS i2TPONY BLIMP Il-FT 9/C AIRSHIP -KIT $24900 P 0 BOX 2498 -MA LA MESA CALIF 92041 PHONE 714 409-8675 714 2-4636 just cant afford postage what can amount several hundred letters few months time dont want discourage writing Ijust want make easier help Daniel R Neukirch 4265 Bordeaux Dr Oak yule MO 63129 writes asking about scale three- four-bladed flying props fit Bud Nosen Corsair doubt truly scale prop would practical flying J&Z Zinger can provide three- four-blade props special order Robin Lehaman Opus Films LTD 63 East 82nd St NY NY 10028 asks fourcycle engine Quadra size 2 cu available says two-cycle engines too noisy flying location OS Gemini just big enough planes wants build thing can think five- seven-cylinder Technopower II radials Anyone Out know one- two-lung 4-cycle engines two three cubic inch displacement class Plans Review Didnt get plans month next time well take look Godreys Stearman Zirolis Corsair Another add list WACO UPF-7 all-time favorite airplanes Dave Richardson Star Route Deposit NY 13754 has finishedthe plans forhis quarter-scale version first saw 80 STARS Rally Olean NY Price $2350 includes shipping Bob Beckman 8248 Holly Grove Court Manassas VA 22110 RC Helicopters/Chesney Continued page 42 able made mistakes could have avoided 2 Practiceshort sessions three four half-tanks day possible 3 Mind tail rotor stay lowuntil can point chopper want know its pointing its crash tip-over waiting happen 4 Stay close too closeeight 10 feet nice 20 feet too far Youve got eyeball monitor its altitude constantly 5 Fly dont let fly Its better give small bum inputs can correct just hang onto sticks wraps its rotor around ankles 6 Persevere day like magic hands will decide what what eyes telling interfer 72 Wingspan QUADRA powered DRUINE TURBULENT Gross weight under 20 lbs No foam 1230 sq Simple construction fully detailed Proven design stable aerobatic Shock-absorbing landing gear takes abuse Full-size plans instructions photos best marketS30 pp USA DOUG MAC BRIEN 24 Truhy St Granhy Mass 01033 Send SASE info RJL K61 eAmerican made Schnuerle ports eDouble ball bearing ePerry carburetor eForged & domed piston eForged & busliu uon rod 0-ring sealed back cover Investment cast crankcase Kraft Engine Warranty Parts & Repair RJL INDUSTRIES PO BOX 5654 PASADENA CA 91107 213 359-0016 795-9621 December 1981 131 ugqested Retail $14800 Muffler Included