F Duration Bob Mouser LETS SEE must have about 1933 first attended model airplane contest would have put age 11 seems about right what would now call slope soaring contest dont know what called remember guys tossing models top hill running like dickens retrieve dont know whether name game Distance Flight Duration After meet found models just sitting trail no name address made no ter rific attempt find owner never flew sure drooled over lot memory dim distinctly recall model having continuously-curved dihedral wing stick-and-tissue model perhaps another meet name painted itEffe Narf Spelling guaranteed heaven ly knows what meant world would remember dumb thing like Effe Narfor phone number time Andover 3013 sometimes have trouble remembering current Anyhow single event kicked model aviation has Slope soaring using Free Flight models still alive some parts world Nowadays have gimmick called magnet steering official FAI classification such models name ly FlE Actually bit misno mer models steered like hanging turns magneta jumbo version kind found magnetic compasssimply keeps model headed along preset magnetic compass heading Simply. s lie takes husky magnet delicately pivot ed balanced connected zerofriction manner control surface state-of-the-art put magnetoperated fin nose model although variants could spend hundreds hours developing own magnet-steering device little less time copying someone elses fortu nately alternative buy bare unit costs 30DM hard plastic pod costs 50 DM DM West German worth about 40t according local paper better check vendor first Anton Frieser Schlesische Strabe 2 D 8832 Weissenburg West Germany Magnet steering big stuff Ger Fifty-three competitors flew 1983 German FlE Nats menu con sisted seven rounds 210 seconds two fly-offs 300 360 seconds final ly unlimited-time round Fourteen 53 nsde flyoffs Six survived first cut four second cut scores final unlimited-time flyoffs 1701 1005 853 429 winning model Schuberth still dot sky other three already ground DT set 15 minutes might have stayed up day After winning 17-minute flight model landed about 100 yards launch site must have thrill see Schuberths winning model very light compared typical ones wind velocity during flight ly three four meters per second model might have fared well wind stronger can always add weight difficult remove it built structure Somehow magnet steering business seems like something should doing let Germans have fun would like have three-view Schuberths model send SASE Ill also send shop drawings steering unit designed used Prof George Arghir Romania strongly suggest buy Frieser unit Let know comes out eh Thanks Hans Gremmer information Half-A wire wheel retainers available after Sig Blue Ridge Models Box 429 Skyland NC 28776 64 Model Aviation Slope soaring/magnet-steered models have never caught USA some reason Europe theyre popular enough have FAI class Fl E see lightweight light-wind model contestant Schuberth off its winning third-flyoff 17-minute flight DTed about 100 yards launch site ugly-looking forward fin has movable surface controiled magnetholds model constant heading wind few hard y modelers have tried geared rubber motors ever since earliest days modeIln Obtaining gears making tie rod have always painhence don t see local field much Thomas Sigurdson has gearsets ready sellbut have order him Sweden $20 column sells both dealers individuals Campbells Custom Kits Box 5996 Lake Worth FL 33461-0181 sells individuals Both outfits have extensive lines Free Flight kits materials hardware items write catalogsand dont ashamed send em buck trouble dont know catalog prices off top head free itd cost about quarter just stamp envelope Nostalgia revisited Introduced some five years ago Nostalgia events standing midway between Old-Timer current competition gas~ events have gained firm yet somewhat slippery foothold Nostalgia models would fare well current competition flown modern engines better fliers Certification eligibility specific model designs engines has become bit problem especially respect borderline cases easy job theyre working tinuously George Frenchs Dixielander seems have creat ed huge brew-ha-ha wonder body ever thought talking George about Anyhow new list will published Real Soon Now abouts have questions answers about borderliners write Ralph Prey 4859 West 97th Street glewood CA 90301 dont bug him about Dixielander unless name George French walls Cut out plywood according plan install specified blind-nuts T-nuts sometimes called business Except some timeslike nuts strip plywood de-laminates drill ing holes nuts quality con trol commercially-available blind nuts what would call terrific Check yours out before use plywood tear-out can solved several ways simplest scheme seems to use oversize plywood drill holes trim plywood size holes will close edges drilled Another solution insist cutting plywood size before drilling holes saturate edges near holes CyA instant glueand drill holes solution incorporating best both worlds Ed Hopkins writing Ralph Preys Sattelite use over size blank soak surfaces both sides CyA instant glue nut positions drilling finally trimming size hell-bent weight reduc tion try abandoning metal nuts entire ly simply tapping plywood Sever al applications CyA followed tap ping result nearly-metal-like tapped hole Its inappropriate AD-15 en gine perhaps adequate lots else get funny feeling bit over decade ago seemed electric propul sion applied Free Flight solu tion search problem get feel ing now beginning take hold long last has made firm foothold RC FF Well Free Flight traditional alternatives gas rubber-power Electric propul sion stood never-never land between two few diehards wont step side other reach Maybejust maybetimes achanging entry level price Ra dio Shack generic Brand-X motor selling less buck some one-shot batteries scrounged roll Pola roid instant color-print film can get small FF model air gusto high-end system geared motor sporting samarium-cobalt permags fi bergiass folding prop set Ni-Cds ground-support stuff necessarily goes could run bit over $200 half could build up reasonably competitive system good day kick tail ends out high-end lads have something laugh about way home Don Hughes has running series articles about FF electric propulsion Free Flight NFFS Digest slick-cover model mags have regular occasional articles about electric pro pulsion Give try Call papers Sympo 86 think Continued page 146 March 1986 65 Bill Burt shines new O-T 02 Replicaa Playboy Its very successful 3/f oz us ing 65%-nitro fuel Photo John Oldenkamp San Diego Orbiteers club has come up another new event Hub-Tech A-Gas Don Bartick Poway CA seems mighty p leased entry Ship covered trans parent red MonoKote sports folding prop Photo John Oldenkamp Looking color photos favorite plane Bob Banka boasts collection 36000-plus photos plus large number scale drawings pack pix model may cost average about 15 bucks serious modeler thats cheap days large SASE two bucks will bring extensive listings Scale Model Research 418-B East Ocean front Newport Beach CA 92661 Until next time happy landings Bill Warner 423-C San Vicente Blvd Santa Monica CA 90402 FF Duration/Meuser Continued page 65 might have something contribute 1986 NFFS Symposium Report tell editor about Finished papers should editors hands before April 1 1986which will sooner think Subjects can range far-out theoretical gas down-home practi cal stuff about making models fly real good despite theoretical stuff says cant Get touch W Hewitt Phillips 310 Manteo Ave Hampton VA 23361 phone number 804 Wakefield gears idea using gears some fashion enable prop turn different rate rubber motor connect several motors single prop goes back turn century occasionand some pur posessuch devices have proved highly successful other instances dismal failures Return gearsthe type described herehelped Arne Ellila win Wakefield trophy 1950 quite popular during era such arrangement gear-set rear aircraft rubber motor spans between prop gearbox sec ond rubber motor runs gearbox anchor front aircraft effect motor twice length single motor producing same torque notion such arrangement will automatically double models flight time myth sup ported neither theory nor practice would true gearbox sec ond motor weighed nothing Nevertheless return gears offer potential advantage applied properly number trade-offs considered major consideration labor consumed manufacturing gear-set coupled need access proper machine tools Home-brew ones often fail can simply buy different ball game first saw Thomas Sigurdsons gear unit described Aeromodeller magazine stated design based Thomas E Murphy ap peared 1951-52 Frank Zaic Year book might true indeed seems Sigurdsons embodies best features Murphys design Overall however resemblance rather super ficial Rather beat comparison two half death Ill simply describe Sigurdsons unit riveted together Im about destroy tak ing apart can tell what can see outside body consists piece alumi num bar stock serving support two brass possibly bronze bushings riveted place insides bushings serve journals motor shafts gears run outsides bushings no rigid connection between gears shafts crooked ends shafts inserted loose-fitting holes near outside aluminum gears giving sort universal-joint action Wear motor-shaft journals has no effect alignment gears rubbermotor tension transmitted motor shafts gears collars fitted shafts gears body through ball thrust bearings GERMAN D0335 ANTEATER 48 WING SPAN FOR 4Ote 60 ENGINE o 101 $1400 NORTHROP GAMMA TEXACO SKYCH EF 72 WING SPAN FOR 60 ENGINE Plan No102 $1400 paslage paid wilhin Else USA NJ residenls add 6% sales tao RFM Design Research PO BOX 2393 VINCENTOWN NJ 08088 146 Model Aviation 0 CHAMPION FF KITS Wake-Up Wakefield$44 95* Champion Coupe$25 96* Upshot Mulvihill*2450* Champion Rubber 1183118 & f4 widths 042 thick $11 9611b box* CATALOG *100 CHAMPION MODEL PRODUCTS 880 Carmen Ct La Verne CA 91750 714599-3348 Includes US delivery via UPS CA rae add 6% tax FF Scale/Warner723-5382 Youll Real Soon Now OK Continued page 141 THE BEST IN SCALE 68 WIng Span 60 10 90 Power PLAN $199S - $200 shipping Plan/Cowl/Canopy $3695 4 $300 shIpping KENT WALTERS WINS 85 MASTERS WITH DAUNTLAS Scale Dream Book ol Plan/Kits Accessories $300 US Agenl br Brian Taylor Dennis Bryanl British Magazine WORLDS LARGEST SELECTION OF SCALE PLANS & 3-VIEWS BOB HOLMANN PLANS PO Box 741 San Bernardino CA 92402 TAKE FREE VIDEO TOUR OF appear have machined steel races might either fitted body gears simply slipped over bushing cant tell outside Either way should job balls loose being no spacer ring quite adequate such low-speed operation gears have lot backlash perhaps 20 mils tooth does imply rough runningthat depends entirely tooth shapeand fact advantage foreign matter finds its way between teeth less likely jam gears likely find its way out between teeth after turn two finish greatest being coarse-feed marks chatter marks burrs None can possibly affect running slightest degree Bending shafts accommodate rubber motors S-hooks left purchaser wisely tastes vary severe limitation motor weight Wakefield models seems ex tremely unlikely gears would fer advantage over single directdrive rubber motor duplicating cer tain vintage models used such gears purchasing unit reasonable price has over cobbling up oneself unless really sort thing Mulvihill models units offer op portunity explore avenue toward higher performance has order lust send $2500 check money order name address telephone number Sig Mfg Co phone Visa MasterCard order toll-free line 1-800-247-5008 Please specify VHS BETA format ordering tread seriously recent years price What would guess con sidering individually made production run 100 would saturate market 20 years come Fifty bucks Well price Aero modeller given pounds sterling get US bucks translated British funny-money send Sweden seemed little ludicrous asked Sigurdson price real honest US bucks comes out $20 plus $2 postage handling handmade unit serially num bered carries one-year warranty Send personal check money order Thomas Sigurdson Myrvagen 12 S-902 32 Umea Sweden Strobe source anyone Night flying known also other spellings nite. ugh has become well-established part US Free Flight Champs possibly also well-known other remote cul-de-sacs Free Flight universe perhaps RCers CLers dark too would know decent light sourcestrapped models bellyis required neither bats flashlight lamps nor chemical lights quite hack Ralph Prey suggests strobelights some sort flash visible half-mile direction once few seconds would hack would run reliably say 10 minutes between battery changes re-charges should weigh too much Any takers think have complete set Frank Zaics Yearbooks wrong Unless NFFS member have received October issue NFFS Digest supposed pub lished December maybe January least Real Soon Now Fragments3 1 three-views actually plus cover drawings Bjorn Karlstromof what might have typical Zaic Yearbook 1968 have inserted Digest doit-yourself re-binding form traditional Yearbook albeit bit thin printer ran off few extra copies available NFFS Publica tions $250 plus $50 postage Milky Way galaxy Send hard-earned coin-of-the-realm NFFS 4858 Moorpark Ave San Jose CA 95129 81 NFFS Sympo Report alive alive oh few uncut unbound copies squir reled away editor presentation authors papers somewhere along line said editor ran out beansor something Anyhow copies recently surfaced have bound plastic claw-type bindings commonly called spiral bindings arent now available few pages might little scraggly some copiessignatures got misplaced invertedand have replaced notentirely-useless Xerox copies Continued page 148 March 1986 147 Em hdII INFORMATIVE AND ENTERTAINING * Youll see decals glue fuel Sigs 2000 other model airplane products made * Watch Sig models being designed flight tested * See Hazel Sig fly full-scale Clipped Wing Cub * Learn world famous Sig balsa comes cut * See what makes Sig unique model industry professionally produced video tape has lots flying scenes interesting factory insights Perfect showing club meetings FREE RENTAL dont want keep tape simply return us undamaged within 30 days get full $2500 r~ SPRAY MASK Modern spray pa nts give beautiful look ing finish airplane needs green lungs yellow stripes mention paint fumes can cause medical problems spray mask replaceable pre-filter solves problem soft face mask adjustable straps comfortably tits face sizes easy breathing valve allows prolonged use providing dependable filtering concen trations up 1000 PPM though rugged industrial mask light weight eliminate tatigue So dont get innards painted get protected Order paint mask today Just $1542 shipping Extra pre-tilters $295 Money order Master Charge Visa include expira tion date check allow 20 days clear Sorry no CODs Pelican Enterprises Inc 265 OXFORD LANE BLOOMINGDALE ILLINOIS 60108 P S Send catalog modelers safety supplies YES want paint mask #124 Enclosed $1542 shipping Ninnn City State_____________ Zip L] Visa erCharge Exp Date______ Card ME WINDSOCK Attaches antenna mast clips Iclips included Available frequency colors Give frequency number order 65 Foreign orders add 581 $150 Calif Residents add 6% tax Product Brochure Free order Jeftia Products PO Box 484 Lake Elsinore CA 92330 714 674-1151 price $12 plus $2 P&H world per copy boggin First come first best served strag glers take hindermost Order NFFS Publications Fred Terzian 4858 Moorpark Ave San Jose CA 95129 Bob Stalick publishes new plans book up dates old airfoil book Both books consist almost entirely material previously published Model Builder magazine real handy have together compact form Model Builder Free Flight Three- Views contains 75 follow Pow er32 Rubber12 HL GliderlO Towline Glider13 Indoor8 addi tion page tips scaling drawings cutting in-between ribs tapered wings handy index index model classes grouped together listing gives model name class designers name issue appeared price $5 plus $1 postage handling Model Builder Darned Good Airfoils has three years worth foils added now spans issues January 1974 September 1985 presented form drawing shape table coordinates traditional form Notably absent mod eling publications nose radii Its 23 pages contain about 100 foils con tents page index tips plotting price $250 plus $1 postage handling Both books standard 8A x 11-in format stapled three-holepunched insertion binder Bobnot Model Builderis publish er Order him 5066 NW Picadilly Circle Albany OR 97321 Bob Meuser 4200 Gregory St Oak land CA 94619 FF Old-Timers/Haught Continued page 66 system within field kit Several such commercial units also provide 1 1A 2 volts glow plug operation power panels eliminate clutter provide efficiency also create air professionalism course mod elers use time-honored 1A-volt dry cells either round square con figuration carry spare set bat tery leads complete terminals surance against day bat tery leads break excessive flexing fuel contamination No flight support system complete two protective engine-starting alds commonly referred chicken sticks flooded engine can backfire viciously inflicting serious injury anything props arc field maintenance portion field box should include anticipated spare parts High list propellers Take several size commonly used plus couple sizes either side usual experimental purposes Flight performance often enhanced chang ing different-size propeller Next popularity supply extra spark glow plugs held handy plug holder clean plastic box Did know fuel system needle-setting problems can isolated ignition problems running ignition engine glow plug Gas oil fuel mixtures will run glow long battery hooked up glow plug Fuel line filters may become unser viceable wise have some extra handagain clean container iso lating new parts dust grit flight line An assortment machine screws nuts washers metal screws lock washers etc should cluded time elusive nut screw has disappeared forever detri ment airworthiness model Dont let happen friends Spare wheels wheel collars common field kits well worth carrying lost wheel ends days flying course spare flight bat teries must Obviously before aforementioned parts can value field kit must also include appropriate tools facilitate use Musts include prop glow plug wrenches assortment standard screwdriversplus number Phillips screwdriver Long-nose pliers wire cutters modeling knife round out essentials flier us ing Allen-head bolts correct size Allen wrench will needed nice to-have category tweezers hemostats surgical locking pliers available medical supply houses scissors useful Field repair subject us would rather think about reali ty must faced will return 148 Model Aviation 8 pIus tails Wind Direction Anytime Anywhere * SCALE DOCUMENTATION * SCALE DRAWINGS MODEL PLANS PHOTOS BOOKS PLA-TECH AIRPLANE CATALOG INTERNATIONAL 0060 100 POSES48500 MC KENZIE HWY S3OOVIDA OREGON 97485 LAThES iNG MACNINES INE COP SUPPLIES S FortS Avot Model BLUE1IIDE INERY AN~LS INC Coil toll f,o 1-500 072 6500 RepesenSaOves WV 1 062 3030Many ManufoctIsrers P0 Boo 530-Y HonooflO WV 25020 iegs $100 lOver 200 PepsI LONELY No talk free flight hobby shop thinks DTs medical problem Get mailing list Okie Free Flight Flyer 1902 Peter Pan St Norman Oklahoma 73072 $5 8 issues
Edition: Model Aviation - 1986/03
Page Numbers: 64, 65, 146, 147, 148
F Duration Bob Mouser LETS SEE must have about 1933 first attended model airplane contest would have put age 11 seems about right what would now call slope soaring contest dont know what called remember guys tossing models top hill running like dickens retrieve dont know whether name game Distance Flight Duration After meet found models just sitting trail no name address made no ter rific attempt find owner never flew sure drooled over lot memory dim distinctly recall model having continuously-curved dihedral wing stick-and-tissue model perhaps another meet name painted itEffe Narf Spelling guaranteed heaven ly knows what meant world would remember dumb thing like Effe Narfor phone number time Andover 3013 sometimes have trouble remembering current Anyhow single event kicked model aviation has Slope soaring using Free Flight models still alive some parts world Nowadays have gimmick called magnet steering official FAI classification such models name ly FlE Actually bit misno mer models steered like hanging turns magneta jumbo version kind found magnetic compasssimply keeps model headed along preset magnetic compass heading Simply. s lie takes husky magnet delicately pivot ed balanced connected zerofriction manner control surface state-of-the-art put magnetoperated fin nose model although variants could spend hundreds hours developing own magnet-steering device little less time copying someone elses fortu nately alternative buy bare unit costs 30DM hard plastic pod costs 50 DM DM West German worth about 40t according local paper better check vendor first Anton Frieser Schlesische Strabe 2 D 8832 Weissenburg West Germany Magnet steering big stuff Ger Fifty-three competitors flew 1983 German FlE Nats menu con sisted seven rounds 210 seconds two fly-offs 300 360 seconds final ly unlimited-time round Fourteen 53 nsde flyoffs Six survived first cut four second cut scores final unlimited-time flyoffs 1701 1005 853 429 winning model Schuberth still dot sky other three already ground DT set 15 minutes might have stayed up day After winning 17-minute flight model landed about 100 yards launch site must have thrill see Schuberths winning model very light compared typical ones wind velocity during flight ly three four meters per second model might have fared well wind stronger can always add weight difficult remove it built structure Somehow magnet steering business seems like something should doing let Germans have fun would like have three-view Schuberths model send SASE Ill also send shop drawings steering unit designed used Prof George Arghir Romania strongly suggest buy Frieser unit Let know comes out eh Thanks Hans Gremmer information Half-A wire wheel retainers available after Sig Blue Ridge Models Box 429 Skyland NC 28776 64 Model Aviation Slope soaring/magnet-steered models have never caught USA some reason Europe theyre popular enough have FAI class Fl E see lightweight light-wind model contestant Schuberth off its winning third-flyoff 17-minute flight DTed about 100 yards launch site ugly-looking forward fin has movable surface controiled magnetholds model constant heading wind few hard y modelers have tried geared rubber motors ever since earliest days modeIln Obtaining gears making tie rod have always painhence don t see local field much Thomas Sigurdson has gearsets ready sellbut have order him Sweden $20 column sells both dealers individuals Campbells Custom Kits Box 5996 Lake Worth FL 33461-0181 sells individuals Both outfits have extensive lines Free Flight kits materials hardware items write catalogsand dont ashamed send em buck trouble dont know catalog prices off top head free itd cost about quarter just stamp envelope Nostalgia revisited Introduced some five years ago Nostalgia events standing midway between Old-Timer current competition gas~ events have gained firm yet somewhat slippery foothold Nostalgia models would fare well current competition flown modern engines better fliers Certification eligibility specific model designs engines has become bit problem especially respect borderline cases easy job theyre working tinuously George Frenchs Dixielander seems have creat ed huge brew-ha-ha wonder body ever thought talking George about Anyhow new list will published Real Soon Now abouts have questions answers about borderliners write Ralph Prey 4859 West 97th Street glewood CA 90301 dont bug him about Dixielander unless name George French walls Cut out plywood according plan install specified blind-nuts T-nuts sometimes called business Except some timeslike nuts strip plywood de-laminates drill ing holes nuts quality con trol commercially-available blind nuts what would call terrific Check yours out before use plywood tear-out can solved several ways simplest scheme seems to use oversize plywood drill holes trim plywood size holes will close edges drilled Another solution insist cutting plywood size before drilling holes saturate edges near holes CyA instant glueand drill holes solution incorporating best both worlds Ed Hopkins writing Ralph Preys Sattelite use over size blank soak surfaces both sides CyA instant glue nut positions drilling finally trimming size hell-bent weight reduc tion try abandoning metal nuts entire ly simply tapping plywood Sever al applications CyA followed tap ping result nearly-metal-like tapped hole Its inappropriate AD-15 en gine perhaps adequate lots else get funny feeling bit over decade ago seemed electric propul sion applied Free Flight solu tion search problem get feel ing now beginning take hold long last has made firm foothold RC FF Well Free Flight traditional alternatives gas rubber-power Electric propul sion stood never-never land between two few diehards wont step side other reach Maybejust maybetimes achanging entry level price Ra dio Shack generic Brand-X motor selling less buck some one-shot batteries scrounged roll Pola roid instant color-print film can get small FF model air gusto high-end system geared motor sporting samarium-cobalt permags fi bergiass folding prop set Ni-Cds ground-support stuff necessarily goes could run bit over $200 half could build up reasonably competitive system good day kick tail ends out high-end lads have something laugh about way home Don Hughes has running series articles about FF electric propulsion Free Flight NFFS Digest slick-cover model mags have regular occasional articles about electric pro pulsion Give try Call papers Sympo 86 think Continued page 146 March 1986 65 Bill Burt shines new O-T 02 Replicaa Playboy Its very successful 3/f oz us ing 65%-nitro fuel Photo John Oldenkamp San Diego Orbiteers club has come up another new event Hub-Tech A-Gas Don Bartick Poway CA seems mighty p leased entry Ship covered trans parent red MonoKote sports folding prop Photo John Oldenkamp Looking color photos favorite plane Bob Banka boasts collection 36000-plus photos plus large number scale drawings pack pix model may cost average about 15 bucks serious modeler thats cheap days large SASE two bucks will bring extensive listings Scale Model Research 418-B East Ocean front Newport Beach CA 92661 Until next time happy landings Bill Warner 423-C San Vicente Blvd Santa Monica CA 90402 FF Duration/Meuser Continued page 65 might have something contribute 1986 NFFS Symposium Report tell editor about Finished papers should editors hands before April 1 1986which will sooner think Subjects can range far-out theoretical gas down-home practi cal stuff about making models fly real good despite theoretical stuff says cant Get touch W Hewitt Phillips 310 Manteo Ave Hampton VA 23361 phone number 804 Wakefield gears idea using gears some fashion enable prop turn different rate rubber motor connect several motors single prop goes back turn century occasionand some pur posessuch devices have proved highly successful other instances dismal failures Return gearsthe type described herehelped Arne Ellila win Wakefield trophy 1950 quite popular during era such arrangement gear-set rear aircraft rubber motor spans between prop gearbox sec ond rubber motor runs gearbox anchor front aircraft effect motor twice length single motor producing same torque notion such arrangement will automatically double models flight time myth sup ported neither theory nor practice would true gearbox sec ond motor weighed nothing Nevertheless return gears offer potential advantage applied properly number trade-offs considered major consideration labor consumed manufacturing gear-set coupled need access proper machine tools Home-brew ones often fail can simply buy different ball game first saw Thomas Sigurdsons gear unit described Aeromodeller magazine stated design based Thomas E Murphy ap peared 1951-52 Frank Zaic Year book might true indeed seems Sigurdsons embodies best features Murphys design Overall however resemblance rather super ficial Rather beat comparison two half death Ill simply describe Sigurdsons unit riveted together Im about destroy tak ing apart can tell what can see outside body consists piece alumi num bar stock serving support two brass possibly bronze bushings riveted place insides bushings serve journals motor shafts gears run outsides bushings no rigid connection between gears shafts crooked ends shafts inserted loose-fitting holes near outside aluminum gears giving sort universal-joint action Wear motor-shaft journals has no effect alignment gears rubbermotor tension transmitted motor shafts gears collars fitted shafts gears body through ball thrust bearings GERMAN D0335 ANTEATER 48 WING SPAN FOR 4Ote 60 ENGINE o 101 $1400 NORTHROP GAMMA TEXACO SKYCH EF 72 WING SPAN FOR 60 ENGINE Plan No102 $1400 paslage paid wilhin Else USA NJ residenls add 6% sales tao RFM Design Research PO BOX 2393 VINCENTOWN NJ 08088 146 Model Aviation 0 CHAMPION FF KITS Wake-Up Wakefield$44 95* Champion Coupe$25 96* Upshot Mulvihill*2450* Champion Rubber 1183118 & f4 widths 042 thick $11 9611b box* CATALOG *100 CHAMPION MODEL PRODUCTS 880 Carmen Ct La Verne CA 91750 714599-3348 Includes US delivery via UPS CA rae add 6% tax FF Scale/Warner723-5382 Youll Real Soon Now OK Continued page 141 THE BEST IN SCALE 68 WIng Span 60 10 90 Power PLAN $199S - $200 shipping Plan/Cowl/Canopy $3695 4 $300 shIpping KENT WALTERS WINS 85 MASTERS WITH DAUNTLAS Scale Dream Book ol Plan/Kits Accessories $300 US Agenl br Brian Taylor Dennis Bryanl British Magazine WORLDS LARGEST SELECTION OF SCALE PLANS & 3-VIEWS BOB HOLMANN PLANS PO Box 741 San Bernardino CA 92402 TAKE FREE VIDEO TOUR OF appear have machined steel races might either fitted body gears simply slipped over bushing cant tell outside Either way should job balls loose being no spacer ring quite adequate such low-speed operation gears have lot backlash perhaps 20 mils tooth does imply rough runningthat depends entirely tooth shapeand fact advantage foreign matter finds its way between teeth less likely jam gears likely find its way out between teeth after turn two finish greatest being coarse-feed marks chatter marks burrs None can possibly affect running slightest degree Bending shafts accommodate rubber motors S-hooks left purchaser wisely tastes vary severe limitation motor weight Wakefield models seems ex tremely unlikely gears would fer advantage over single directdrive rubber motor duplicating cer tain vintage models used such gears purchasing unit reasonable price has over cobbling up oneself unless really sort thing Mulvihill models units offer op portunity explore avenue toward higher performance has order lust send $2500 check money order name address telephone number Sig Mfg Co phone Visa MasterCard order toll-free line 1-800-247-5008 Please specify VHS BETA format ordering tread seriously recent years price What would guess con sidering individually made production run 100 would saturate market 20 years come Fifty bucks Well price Aero modeller given pounds sterling get US bucks translated British funny-money send Sweden seemed little ludicrous asked Sigurdson price real honest US bucks comes out $20 plus $2 postage handling handmade unit serially num bered carries one-year warranty Send personal check money order Thomas Sigurdson Myrvagen 12 S-902 32 Umea Sweden Strobe source anyone Night flying known also other spellings nite. ugh has become well-established part US Free Flight Champs possibly also well-known other remote cul-de-sacs Free Flight universe perhaps RCers CLers dark too would know decent light sourcestrapped models bellyis required neither bats flashlight lamps nor chemical lights quite hack Ralph Prey suggests strobelights some sort flash visible half-mile direction once few seconds would hack would run reliably say 10 minutes between battery changes re-charges should weigh too much Any takers think have complete set Frank Zaics Yearbooks wrong Unless NFFS member have received October issue NFFS Digest supposed pub lished December maybe January least Real Soon Now Fragments3 1 three-views actually plus cover drawings Bjorn Karlstromof what might have typical Zaic Yearbook 1968 have inserted Digest doit-yourself re-binding form traditional Yearbook albeit bit thin printer ran off few extra copies available NFFS Publica tions $250 plus $50 postage Milky Way galaxy Send hard-earned coin-of-the-realm NFFS 4858 Moorpark Ave San Jose CA 95129 81 NFFS Sympo Report alive alive oh few uncut unbound copies squir reled away editor presentation authors papers somewhere along line said editor ran out beansor something Anyhow copies recently surfaced have bound plastic claw-type bindings commonly called spiral bindings arent now available few pages might little scraggly some copiessignatures got misplaced invertedand have replaced notentirely-useless Xerox copies Continued page 148 March 1986 147 Em hdII INFORMATIVE AND ENTERTAINING * Youll see decals glue fuel Sigs 2000 other model airplane products made * Watch Sig models being designed flight tested * See Hazel Sig fly full-scale Clipped Wing Cub * Learn world famous Sig balsa comes cut * See what makes Sig unique model industry professionally produced video tape has lots flying scenes interesting factory insights Perfect showing club meetings FREE RENTAL dont want keep tape simply return us undamaged within 30 days get full $2500 r~ SPRAY MASK Modern spray pa nts give beautiful look ing finish airplane needs green lungs yellow stripes mention paint fumes can cause medical problems spray mask replaceable pre-filter solves problem soft face mask adjustable straps comfortably tits face sizes easy breathing valve allows prolonged use providing dependable filtering concen trations up 1000 PPM though rugged industrial mask light weight eliminate tatigue So dont get innards painted get protected Order paint mask today Just $1542 shipping Extra pre-tilters $295 Money order Master Charge Visa include expira tion date check allow 20 days clear Sorry no CODs Pelican Enterprises Inc 265 OXFORD LANE BLOOMINGDALE ILLINOIS 60108 P S Send catalog modelers safety supplies YES want paint mask #124 Enclosed $1542 shipping Ninnn City State_____________ Zip L] Visa erCharge Exp Date______ Card ME WINDSOCK Attaches antenna mast clips Iclips included Available frequency colors Give frequency number order 65 Foreign orders add 581 $150 Calif Residents add 6% tax Product Brochure Free order Jeftia Products PO Box 484 Lake Elsinore CA 92330 714 674-1151 price $12 plus $2 P&H world per copy boggin First come first best served strag glers take hindermost Order NFFS Publications Fred Terzian 4858 Moorpark Ave San Jose CA 95129 Bob Stalick publishes new plans book up dates old airfoil book Both books consist almost entirely material previously published Model Builder magazine real handy have together compact form Model Builder Free Flight Three- Views contains 75 follow Pow er32 Rubber12 HL GliderlO Towline Glider13 Indoor8 addi tion page tips scaling drawings cutting in-between ribs tapered wings handy index index model classes grouped together listing gives model name class designers name issue appeared price $5 plus $1 postage handling Model Builder Darned Good Airfoils has three years worth foils added now spans issues January 1974 September 1985 presented form drawing shape table coordinates traditional form Notably absent mod eling publications nose radii Its 23 pages contain about 100 foils con tents page index tips plotting price $250 plus $1 postage handling Both books standard 8A x 11-in format stapled three-holepunched insertion binder Bobnot Model Builderis publish er Order him 5066 NW Picadilly Circle Albany OR 97321 Bob Meuser 4200 Gregory St Oak land CA 94619 FF Old-Timers/Haught Continued page 66 system within field kit Several such commercial units also provide 1 1A 2 volts glow plug operation power panels eliminate clutter provide efficiency also create air professionalism course mod elers use time-honored 1A-volt dry cells either round square con figuration carry spare set bat tery leads complete terminals surance against day bat tery leads break excessive flexing fuel contamination No flight support system complete two protective engine-starting alds commonly referred chicken sticks flooded engine can backfire viciously inflicting serious injury anything props arc field maintenance portion field box should include anticipated spare parts High list propellers Take several size commonly used plus couple sizes either side usual experimental purposes Flight performance often enhanced chang ing different-size propeller Next popularity supply extra spark glow plugs held handy plug holder clean plastic box Did know fuel system needle-setting problems can isolated ignition problems running ignition engine glow plug Gas oil fuel mixtures will run glow long battery hooked up glow plug Fuel line filters may become unser viceable wise have some extra handagain clean container iso lating new parts dust grit flight line An assortment machine screws nuts washers metal screws lock washers etc should cluded time elusive nut screw has disappeared forever detri ment airworthiness model Dont let happen friends Spare wheels wheel collars common field kits well worth carrying lost wheel ends days flying course spare flight bat teries must Obviously before aforementioned parts can value field kit must also include appropriate tools facilitate use Musts include prop glow plug wrenches assortment standard screwdriversplus number Phillips screwdriver Long-nose pliers wire cutters modeling knife round out essentials flier us ing Allen-head bolts correct size Allen wrench will needed nice to-have category tweezers hemostats surgical locking pliers available medical supply houses scissors useful Field repair subject us would rather think about reali ty must faced will return 148 Model Aviation 8 pIus tails Wind Direction Anytime Anywhere * SCALE DOCUMENTATION * SCALE DRAWINGS MODEL PLANS PHOTOS BOOKS PLA-TECH AIRPLANE CATALOG INTERNATIONAL 0060 100 POSES48500 MC KENZIE HWY S3OOVIDA OREGON 97485 LAThES iNG MACNINES INE COP SUPPLIES S FortS Avot Model BLUE1IIDE INERY AN~LS INC Coil toll f,o 1-500 072 6500 RepesenSaOves WV 1 062 3030Many ManufoctIsrers P0 Boo 530-Y HonooflO WV 25020 iegs $100 lOver 200 PepsI LONELY No talk free flight hobby shop thinks DTs medical problem Get mailing list Okie Free Flight Flyer 1902 Peter Pan St Norman Oklahoma 73072 $5 8 issues
Edition: Model Aviation - 1986/03
Page Numbers: 64, 65, 146, 147, 148
F Duration Bob Mouser LETS SEE must have about 1933 first attended model airplane contest would have put age 11 seems about right what would now call slope soaring contest dont know what called remember guys tossing models top hill running like dickens retrieve dont know whether name game Distance Flight Duration After meet found models just sitting trail no name address made no ter rific attempt find owner never flew sure drooled over lot memory dim distinctly recall model having continuously-curved dihedral wing stick-and-tissue model perhaps another meet name painted itEffe Narf Spelling guaranteed heaven ly knows what meant world would remember dumb thing like Effe Narfor phone number time Andover 3013 sometimes have trouble remembering current Anyhow single event kicked model aviation has Slope soaring using Free Flight models still alive some parts world Nowadays have gimmick called magnet steering official FAI classification such models name ly FlE Actually bit misno mer models steered like hanging turns magneta jumbo version kind found magnetic compasssimply keeps model headed along preset magnetic compass heading Simply. s lie takes husky magnet delicately pivot ed balanced connected zerofriction manner control surface state-of-the-art put magnetoperated fin nose model although variants could spend hundreds hours developing own magnet-steering device little less time copying someone elses fortu nately alternative buy bare unit costs 30DM hard plastic pod costs 50 DM DM West German worth about 40t according local paper better check vendor first Anton Frieser Schlesische Strabe 2 D 8832 Weissenburg West Germany Magnet steering big stuff Ger Fifty-three competitors flew 1983 German FlE Nats menu con sisted seven rounds 210 seconds two fly-offs 300 360 seconds final ly unlimited-time round Fourteen 53 nsde flyoffs Six survived first cut four second cut scores final unlimited-time flyoffs 1701 1005 853 429 winning model Schuberth still dot sky other three already ground DT set 15 minutes might have stayed up day After winning 17-minute flight model landed about 100 yards launch site must have thrill see Schuberths winning model very light compared typical ones wind velocity during flight ly three four meters per second model might have fared well wind stronger can always add weight difficult remove it built structure Somehow magnet steering business seems like something should doing let Germans have fun would like have three-view Schuberths model send SASE Ill also send shop drawings steering unit designed used Prof George Arghir Romania strongly suggest buy Frieser unit Let know comes out eh Thanks Hans Gremmer information Half-A wire wheel retainers available after Sig Blue Ridge Models Box 429 Skyland NC 28776 64 Model Aviation Slope soaring/magnet-steered models have never caught USA some reason Europe theyre popular enough have FAI class Fl E see lightweight light-wind model contestant Schuberth off its winning third-flyoff 17-minute flight DTed about 100 yards launch site ugly-looking forward fin has movable surface controiled magnetholds model constant heading wind few hard y modelers have tried geared rubber motors ever since earliest days modeIln Obtaining gears making tie rod have always painhence don t see local field much Thomas Sigurdson has gearsets ready sellbut have order him Sweden $20 column sells both dealers individuals Campbells Custom Kits Box 5996 Lake Worth FL 33461-0181 sells individuals Both outfits have extensive lines Free Flight kits materials hardware items write catalogsand dont ashamed send em buck trouble dont know catalog prices off top head free itd cost about quarter just stamp envelope Nostalgia revisited Introduced some five years ago Nostalgia events standing midway between Old-Timer current competition gas~ events have gained firm yet somewhat slippery foothold Nostalgia models would fare well current competition flown modern engines better fliers Certification eligibility specific model designs engines has become bit problem especially respect borderline cases easy job theyre working tinuously George Frenchs Dixielander seems have creat ed huge brew-ha-ha wonder body ever thought talking George about Anyhow new list will published Real Soon Now abouts have questions answers about borderliners write Ralph Prey 4859 West 97th Street glewood CA 90301 dont bug him about Dixielander unless name George French walls Cut out plywood according plan install specified blind-nuts T-nuts sometimes called business Except some timeslike nuts strip plywood de-laminates drill ing holes nuts quality con trol commercially-available blind nuts what would call terrific Check yours out before use plywood tear-out can solved several ways simplest scheme seems to use oversize plywood drill holes trim plywood size holes will close edges drilled Another solution insist cutting plywood size before drilling holes saturate edges near holes CyA instant glueand drill holes solution incorporating best both worlds Ed Hopkins writing Ralph Preys Sattelite use over size blank soak surfaces both sides CyA instant glue nut positions drilling finally trimming size hell-bent weight reduc tion try abandoning metal nuts entire ly simply tapping plywood Sever al applications CyA followed tap ping result nearly-metal-like tapped hole Its inappropriate AD-15 en gine perhaps adequate lots else get funny feeling bit over decade ago seemed electric propul sion applied Free Flight solu tion search problem get feel ing now beginning take hold long last has made firm foothold RC FF Well Free Flight traditional alternatives gas rubber-power Electric propul sion stood never-never land between two few diehards wont step side other reach Maybejust maybetimes achanging entry level price Ra dio Shack generic Brand-X motor selling less buck some one-shot batteries scrounged roll Pola roid instant color-print film can get small FF model air gusto high-end system geared motor sporting samarium-cobalt permags fi bergiass folding prop set Ni-Cds ground-support stuff necessarily goes could run bit over $200 half could build up reasonably competitive system good day kick tail ends out high-end lads have something laugh about way home Don Hughes has running series articles about FF electric propulsion Free Flight NFFS Digest slick-cover model mags have regular occasional articles about electric pro pulsion Give try Call papers Sympo 86 think Continued page 146 March 1986 65 Bill Burt shines new O-T 02 Replicaa Playboy Its very successful 3/f oz us ing 65%-nitro fuel Photo John Oldenkamp San Diego Orbiteers club has come up another new event Hub-Tech A-Gas Don Bartick Poway CA seems mighty p leased entry Ship covered trans parent red MonoKote sports folding prop Photo John Oldenkamp Looking color photos favorite plane Bob Banka boasts collection 36000-plus photos plus large number scale drawings pack pix model may cost average about 15 bucks serious modeler thats cheap days large SASE two bucks will bring extensive listings Scale Model Research 418-B East Ocean front Newport Beach CA 92661 Until next time happy landings Bill Warner 423-C San Vicente Blvd Santa Monica CA 90402 FF Duration/Meuser Continued page 65 might have something contribute 1986 NFFS Symposium Report tell editor about Finished papers should editors hands before April 1 1986which will sooner think Subjects can range far-out theoretical gas down-home practi cal stuff about making models fly real good despite theoretical stuff says cant Get touch W Hewitt Phillips 310 Manteo Ave Hampton VA 23361 phone number 804 Wakefield gears idea using gears some fashion enable prop turn different rate rubber motor connect several motors single prop goes back turn century occasionand some pur posessuch devices have proved highly successful other instances dismal failures Return gearsthe type described herehelped Arne Ellila win Wakefield trophy 1950 quite popular during era such arrangement gear-set rear aircraft rubber motor spans between prop gearbox sec ond rubber motor runs gearbox anchor front aircraft effect motor twice length single motor producing same torque notion such arrangement will automatically double models flight time myth sup ported neither theory nor practice would true gearbox sec ond motor weighed nothing Nevertheless return gears offer potential advantage applied properly number trade-offs considered major consideration labor consumed manufacturing gear-set coupled need access proper machine tools Home-brew ones often fail can simply buy different ball game first saw Thomas Sigurdsons gear unit described Aeromodeller magazine stated design based Thomas E Murphy ap peared 1951-52 Frank Zaic Year book might true indeed seems Sigurdsons embodies best features Murphys design Overall however resemblance rather super ficial Rather beat comparison two half death Ill simply describe Sigurdsons unit riveted together Im about destroy tak ing apart can tell what can see outside body consists piece alumi num bar stock serving support two brass possibly bronze bushings riveted place insides bushings serve journals motor shafts gears run outsides bushings no rigid connection between gears shafts crooked ends shafts inserted loose-fitting holes near outside aluminum gears giving sort universal-joint action Wear motor-shaft journals has no effect alignment gears rubbermotor tension transmitted motor shafts gears collars fitted shafts gears body through ball thrust bearings GERMAN D0335 ANTEATER 48 WING SPAN FOR 4Ote 60 ENGINE o 101 $1400 NORTHROP GAMMA TEXACO SKYCH EF 72 WING SPAN FOR 60 ENGINE Plan No102 $1400 paslage paid wilhin Else USA NJ residenls add 6% sales tao RFM Design Research PO BOX 2393 VINCENTOWN NJ 08088 146 Model Aviation 0 CHAMPION FF KITS Wake-Up Wakefield$44 95* Champion Coupe$25 96* Upshot Mulvihill*2450* Champion Rubber 1183118 & f4 widths 042 thick $11 9611b box* CATALOG *100 CHAMPION MODEL PRODUCTS 880 Carmen Ct La Verne CA 91750 714599-3348 Includes US delivery via UPS CA rae add 6% tax FF Scale/Warner723-5382 Youll Real Soon Now OK Continued page 141 THE BEST IN SCALE 68 WIng Span 60 10 90 Power PLAN $199S - $200 shipping Plan/Cowl/Canopy $3695 4 $300 shIpping KENT WALTERS WINS 85 MASTERS WITH DAUNTLAS Scale Dream Book ol Plan/Kits Accessories $300 US Agenl br Brian Taylor Dennis Bryanl British Magazine WORLDS LARGEST SELECTION OF SCALE PLANS & 3-VIEWS BOB HOLMANN PLANS PO Box 741 San Bernardino CA 92402 TAKE FREE VIDEO TOUR OF appear have machined steel races might either fitted body gears simply slipped over bushing cant tell outside Either way should job balls loose being no spacer ring quite adequate such low-speed operation gears have lot backlash perhaps 20 mils tooth does imply rough runningthat depends entirely tooth shapeand fact advantage foreign matter finds its way between teeth less likely jam gears likely find its way out between teeth after turn two finish greatest being coarse-feed marks chatter marks burrs None can possibly affect running slightest degree Bending shafts accommodate rubber motors S-hooks left purchaser wisely tastes vary severe limitation motor weight Wakefield models seems ex tremely unlikely gears would fer advantage over single directdrive rubber motor duplicating cer tain vintage models used such gears purchasing unit reasonable price has over cobbling up oneself unless really sort thing Mulvihill models units offer op portunity explore avenue toward higher performance has order lust send $2500 check money order name address telephone number Sig Mfg Co phone Visa MasterCard order toll-free line 1-800-247-5008 Please specify VHS BETA format ordering tread seriously recent years price What would guess con sidering individually made production run 100 would saturate market 20 years come Fifty bucks Well price Aero modeller given pounds sterling get US bucks translated British funny-money send Sweden seemed little ludicrous asked Sigurdson price real honest US bucks comes out $20 plus $2 postage handling handmade unit serially num bered carries one-year warranty Send personal check money order Thomas Sigurdson Myrvagen 12 S-902 32 Umea Sweden Strobe source anyone Night flying known also other spellings nite. ugh has become well-established part US Free Flight Champs possibly also well-known other remote cul-de-sacs Free Flight universe perhaps RCers CLers dark too would know decent light sourcestrapped models bellyis required neither bats flashlight lamps nor chemical lights quite hack Ralph Prey suggests strobelights some sort flash visible half-mile direction once few seconds would hack would run reliably say 10 minutes between battery changes re-charges should weigh too much Any takers think have complete set Frank Zaics Yearbooks wrong Unless NFFS member have received October issue NFFS Digest supposed pub lished December maybe January least Real Soon Now Fragments3 1 three-views actually plus cover drawings Bjorn Karlstromof what might have typical Zaic Yearbook 1968 have inserted Digest doit-yourself re-binding form traditional Yearbook albeit bit thin printer ran off few extra copies available NFFS Publica tions $250 plus $50 postage Milky Way galaxy Send hard-earned coin-of-the-realm NFFS 4858 Moorpark Ave San Jose CA 95129 81 NFFS Sympo Report alive alive oh few uncut unbound copies squir reled away editor presentation authors papers somewhere along line said editor ran out beansor something Anyhow copies recently surfaced have bound plastic claw-type bindings commonly called spiral bindings arent now available few pages might little scraggly some copiessignatures got misplaced invertedand have replaced notentirely-useless Xerox copies Continued page 148 March 1986 147 Em hdII INFORMATIVE AND ENTERTAINING * Youll see decals glue fuel Sigs 2000 other model airplane products made * Watch Sig models being designed flight tested * See Hazel Sig fly full-scale Clipped Wing Cub * Learn world famous Sig balsa comes cut * See what makes Sig unique model industry professionally produced video tape has lots flying scenes interesting factory insights Perfect showing club meetings FREE RENTAL dont want keep tape simply return us undamaged within 30 days get full $2500 r~ SPRAY MASK Modern spray pa nts give beautiful look ing finish airplane needs green lungs yellow stripes mention paint fumes can cause medical problems spray mask replaceable pre-filter solves problem soft face mask adjustable straps comfortably tits face sizes easy breathing valve allows prolonged use providing dependable filtering concen trations up 1000 PPM though rugged industrial mask light weight eliminate tatigue So dont get innards painted get protected Order paint mask today Just $1542 shipping Extra pre-tilters $295 Money order Master Charge Visa include expira tion date check allow 20 days clear Sorry no CODs Pelican Enterprises Inc 265 OXFORD LANE BLOOMINGDALE ILLINOIS 60108 P S Send catalog modelers safety supplies YES want paint mask #124 Enclosed $1542 shipping Ninnn City State_____________ Zip L] Visa erCharge Exp Date______ Card ME WINDSOCK Attaches antenna mast clips Iclips included Available frequency colors Give frequency number order 65 Foreign orders add 581 $150 Calif Residents add 6% tax Product Brochure Free order Jeftia Products PO Box 484 Lake Elsinore CA 92330 714 674-1151 price $12 plus $2 P&H world per copy boggin First come first best served strag glers take hindermost Order NFFS Publications Fred Terzian 4858 Moorpark Ave San Jose CA 95129 Bob Stalick publishes new plans book up dates old airfoil book Both books consist almost entirely material previously published Model Builder magazine real handy have together compact form Model Builder Free Flight Three- Views contains 75 follow Pow er32 Rubber12 HL GliderlO Towline Glider13 Indoor8 addi tion page tips scaling drawings cutting in-between ribs tapered wings handy index index model classes grouped together listing gives model name class designers name issue appeared price $5 plus $1 postage handling Model Builder Darned Good Airfoils has three years worth foils added now spans issues January 1974 September 1985 presented form drawing shape table coordinates traditional form Notably absent mod eling publications nose radii Its 23 pages contain about 100 foils con tents page index tips plotting price $250 plus $1 postage handling Both books standard 8A x 11-in format stapled three-holepunched insertion binder Bobnot Model Builderis publish er Order him 5066 NW Picadilly Circle Albany OR 97321 Bob Meuser 4200 Gregory St Oak land CA 94619 FF Old-Timers/Haught Continued page 66 system within field kit Several such commercial units also provide 1 1A 2 volts glow plug operation power panels eliminate clutter provide efficiency also create air professionalism course mod elers use time-honored 1A-volt dry cells either round square con figuration carry spare set bat tery leads complete terminals surance against day bat tery leads break excessive flexing fuel contamination No flight support system complete two protective engine-starting alds commonly referred chicken sticks flooded engine can backfire viciously inflicting serious injury anything props arc field maintenance portion field box should include anticipated spare parts High list propellers Take several size commonly used plus couple sizes either side usual experimental purposes Flight performance often enhanced chang ing different-size propeller Next popularity supply extra spark glow plugs held handy plug holder clean plastic box Did know fuel system needle-setting problems can isolated ignition problems running ignition engine glow plug Gas oil fuel mixtures will run glow long battery hooked up glow plug Fuel line filters may become unser viceable wise have some extra handagain clean container iso lating new parts dust grit flight line An assortment machine screws nuts washers metal screws lock washers etc should cluded time elusive nut screw has disappeared forever detri ment airworthiness model Dont let happen friends Spare wheels wheel collars common field kits well worth carrying lost wheel ends days flying course spare flight bat teries must Obviously before aforementioned parts can value field kit must also include appropriate tools facilitate use Musts include prop glow plug wrenches assortment standard screwdriversplus number Phillips screwdriver Long-nose pliers wire cutters modeling knife round out essentials flier us ing Allen-head bolts correct size Allen wrench will needed nice to-have category tweezers hemostats surgical locking pliers available medical supply houses scissors useful Field repair subject us would rather think about reali ty must faced will return 148 Model Aviation 8 pIus tails Wind Direction Anytime Anywhere * SCALE DOCUMENTATION * SCALE DRAWINGS MODEL PLANS PHOTOS BOOKS PLA-TECH AIRPLANE CATALOG INTERNATIONAL 0060 100 POSES48500 MC KENZIE HWY S3OOVIDA OREGON 97485 LAThES iNG MACNINES INE COP SUPPLIES S FortS Avot Model BLUE1IIDE INERY AN~LS INC Coil toll f,o 1-500 072 6500 RepesenSaOves WV 1 062 3030Many ManufoctIsrers P0 Boo 530-Y HonooflO WV 25020 iegs $100 lOver 200 PepsI LONELY No talk free flight hobby shop thinks DTs medical problem Get mailing list Okie Free Flight Flyer 1902 Peter Pan St Norman Oklahoma 73072 $5 8 issues
Edition: Model Aviation - 1986/03
Page Numbers: 64, 65, 146, 147, 148
F Duration Bob Mouser LETS SEE must have about 1933 first attended model airplane contest would have put age 11 seems about right what would now call slope soaring contest dont know what called remember guys tossing models top hill running like dickens retrieve dont know whether name game Distance Flight Duration After meet found models just sitting trail no name address made no ter rific attempt find owner never flew sure drooled over lot memory dim distinctly recall model having continuously-curved dihedral wing stick-and-tissue model perhaps another meet name painted itEffe Narf Spelling guaranteed heaven ly knows what meant world would remember dumb thing like Effe Narfor phone number time Andover 3013 sometimes have trouble remembering current Anyhow single event kicked model aviation has Slope soaring using Free Flight models still alive some parts world Nowadays have gimmick called magnet steering official FAI classification such models name ly FlE Actually bit misno mer models steered like hanging turns magneta jumbo version kind found magnetic compasssimply keeps model headed along preset magnetic compass heading Simply. s lie takes husky magnet delicately pivot ed balanced connected zerofriction manner control surface state-of-the-art put magnetoperated fin nose model although variants could spend hundreds hours developing own magnet-steering device little less time copying someone elses fortu nately alternative buy bare unit costs 30DM hard plastic pod costs 50 DM DM West German worth about 40t according local paper better check vendor first Anton Frieser Schlesische Strabe 2 D 8832 Weissenburg West Germany Magnet steering big stuff Ger Fifty-three competitors flew 1983 German FlE Nats menu con sisted seven rounds 210 seconds two fly-offs 300 360 seconds final ly unlimited-time round Fourteen 53 nsde flyoffs Six survived first cut four second cut scores final unlimited-time flyoffs 1701 1005 853 429 winning model Schuberth still dot sky other three already ground DT set 15 minutes might have stayed up day After winning 17-minute flight model landed about 100 yards launch site must have thrill see Schuberths winning model very light compared typical ones wind velocity during flight ly three four meters per second model might have fared well wind stronger can always add weight difficult remove it built structure Somehow magnet steering business seems like something should doing let Germans have fun would like have three-view Schuberths model send SASE Ill also send shop drawings steering unit designed used Prof George Arghir Romania strongly suggest buy Frieser unit Let know comes out eh Thanks Hans Gremmer information Half-A wire wheel retainers available after Sig Blue Ridge Models Box 429 Skyland NC 28776 64 Model Aviation Slope soaring/magnet-steered models have never caught USA some reason Europe theyre popular enough have FAI class Fl E see lightweight light-wind model contestant Schuberth off its winning third-flyoff 17-minute flight DTed about 100 yards launch site ugly-looking forward fin has movable surface controiled magnetholds model constant heading wind few hard y modelers have tried geared rubber motors ever since earliest days modeIln Obtaining gears making tie rod have always painhence don t see local field much Thomas Sigurdson has gearsets ready sellbut have order him Sweden $20 column sells both dealers individuals Campbells Custom Kits Box 5996 Lake Worth FL 33461-0181 sells individuals Both outfits have extensive lines Free Flight kits materials hardware items write catalogsand dont ashamed send em buck trouble dont know catalog prices off top head free itd cost about quarter just stamp envelope Nostalgia revisited Introduced some five years ago Nostalgia events standing midway between Old-Timer current competition gas~ events have gained firm yet somewhat slippery foothold Nostalgia models would fare well current competition flown modern engines better fliers Certification eligibility specific model designs engines has become bit problem especially respect borderline cases easy job theyre working tinuously George Frenchs Dixielander seems have creat ed huge brew-ha-ha wonder body ever thought talking George about Anyhow new list will published Real Soon Now abouts have questions answers about borderliners write Ralph Prey 4859 West 97th Street glewood CA 90301 dont bug him about Dixielander unless name George French walls Cut out plywood according plan install specified blind-nuts T-nuts sometimes called business Except some timeslike nuts strip plywood de-laminates drill ing holes nuts quality con trol commercially-available blind nuts what would call terrific Check yours out before use plywood tear-out can solved several ways simplest scheme seems to use oversize plywood drill holes trim plywood size holes will close edges drilled Another solution insist cutting plywood size before drilling holes saturate edges near holes CyA instant glueand drill holes solution incorporating best both worlds Ed Hopkins writing Ralph Preys Sattelite use over size blank soak surfaces both sides CyA instant glue nut positions drilling finally trimming size hell-bent weight reduc tion try abandoning metal nuts entire ly simply tapping plywood Sever al applications CyA followed tap ping result nearly-metal-like tapped hole Its inappropriate AD-15 en gine perhaps adequate lots else get funny feeling bit over decade ago seemed electric propul sion applied Free Flight solu tion search problem get feel ing now beginning take hold long last has made firm foothold RC FF Well Free Flight traditional alternatives gas rubber-power Electric propul sion stood never-never land between two few diehards wont step side other reach Maybejust maybetimes achanging entry level price Ra dio Shack generic Brand-X motor selling less buck some one-shot batteries scrounged roll Pola roid instant color-print film can get small FF model air gusto high-end system geared motor sporting samarium-cobalt permags fi bergiass folding prop set Ni-Cds ground-support stuff necessarily goes could run bit over $200 half could build up reasonably competitive system good day kick tail ends out high-end lads have something laugh about way home Don Hughes has running series articles about FF electric propulsion Free Flight NFFS Digest slick-cover model mags have regular occasional articles about electric pro pulsion Give try Call papers Sympo 86 think Continued page 146 March 1986 65 Bill Burt shines new O-T 02 Replicaa Playboy Its very successful 3/f oz us ing 65%-nitro fuel Photo John Oldenkamp San Diego Orbiteers club has come up another new event Hub-Tech A-Gas Don Bartick Poway CA seems mighty p leased entry Ship covered trans parent red MonoKote sports folding prop Photo John Oldenkamp Looking color photos favorite plane Bob Banka boasts collection 36000-plus photos plus large number scale drawings pack pix model may cost average about 15 bucks serious modeler thats cheap days large SASE two bucks will bring extensive listings Scale Model Research 418-B East Ocean front Newport Beach CA 92661 Until next time happy landings Bill Warner 423-C San Vicente Blvd Santa Monica CA 90402 FF Duration/Meuser Continued page 65 might have something contribute 1986 NFFS Symposium Report tell editor about Finished papers should editors hands before April 1 1986which will sooner think Subjects can range far-out theoretical gas down-home practi cal stuff about making models fly real good despite theoretical stuff says cant Get touch W Hewitt Phillips 310 Manteo Ave Hampton VA 23361 phone number 804 Wakefield gears idea using gears some fashion enable prop turn different rate rubber motor connect several motors single prop goes back turn century occasionand some pur posessuch devices have proved highly successful other instances dismal failures Return gearsthe type described herehelped Arne Ellila win Wakefield trophy 1950 quite popular during era such arrangement gear-set rear aircraft rubber motor spans between prop gearbox sec ond rubber motor runs gearbox anchor front aircraft effect motor twice length single motor producing same torque notion such arrangement will automatically double models flight time myth sup ported neither theory nor practice would true gearbox sec ond motor weighed nothing Nevertheless return gears offer potential advantage applied properly number trade-offs considered major consideration labor consumed manufacturing gear-set coupled need access proper machine tools Home-brew ones often fail can simply buy different ball game first saw Thomas Sigurdsons gear unit described Aeromodeller magazine stated design based Thomas E Murphy ap peared 1951-52 Frank Zaic Year book might true indeed seems Sigurdsons embodies best features Murphys design Overall however resemblance rather super ficial Rather beat comparison two half death Ill simply describe Sigurdsons unit riveted together Im about destroy tak ing apart can tell what can see outside body consists piece alumi num bar stock serving support two brass possibly bronze bushings riveted place insides bushings serve journals motor shafts gears run outsides bushings no rigid connection between gears shafts crooked ends shafts inserted loose-fitting holes near outside aluminum gears giving sort universal-joint action Wear motor-shaft journals has no effect alignment gears rubbermotor tension transmitted motor shafts gears collars fitted shafts gears body through ball thrust bearings GERMAN D0335 ANTEATER 48 WING SPAN FOR 4Ote 60 ENGINE o 101 $1400 NORTHROP GAMMA TEXACO SKYCH EF 72 WING SPAN FOR 60 ENGINE Plan No102 $1400 paslage paid wilhin Else USA NJ residenls add 6% sales tao RFM Design Research PO BOX 2393 VINCENTOWN NJ 08088 146 Model Aviation 0 CHAMPION FF KITS Wake-Up Wakefield$44 95* Champion Coupe$25 96* Upshot Mulvihill*2450* Champion Rubber 1183118 & f4 widths 042 thick $11 9611b box* CATALOG *100 CHAMPION MODEL PRODUCTS 880 Carmen Ct La Verne CA 91750 714599-3348 Includes US delivery via UPS CA rae add 6% tax FF Scale/Warner723-5382 Youll Real Soon Now OK Continued page 141 THE BEST IN SCALE 68 WIng Span 60 10 90 Power PLAN $199S - $200 shipping Plan/Cowl/Canopy $3695 4 $300 shIpping KENT WALTERS WINS 85 MASTERS WITH DAUNTLAS Scale Dream Book ol Plan/Kits Accessories $300 US Agenl br Brian Taylor Dennis Bryanl British Magazine WORLDS LARGEST SELECTION OF SCALE PLANS & 3-VIEWS BOB HOLMANN PLANS PO Box 741 San Bernardino CA 92402 TAKE FREE VIDEO TOUR OF appear have machined steel races might either fitted body gears simply slipped over bushing cant tell outside Either way should job balls loose being no spacer ring quite adequate such low-speed operation gears have lot backlash perhaps 20 mils tooth does imply rough runningthat depends entirely tooth shapeand fact advantage foreign matter finds its way between teeth less likely jam gears likely find its way out between teeth after turn two finish greatest being coarse-feed marks chatter marks burrs None can possibly affect running slightest degree Bending shafts accommodate rubber motors S-hooks left purchaser wisely tastes vary severe limitation motor weight Wakefield models seems ex tremely unlikely gears would fer advantage over single directdrive rubber motor duplicating cer tain vintage models used such gears purchasing unit reasonable price has over cobbling up oneself unless really sort thing Mulvihill models units offer op portunity explore avenue toward higher performance has order lust send $2500 check money order name address telephone number Sig Mfg Co phone Visa MasterCard order toll-free line 1-800-247-5008 Please specify VHS BETA format ordering tread seriously recent years price What would guess con sidering individually made production run 100 would saturate market 20 years come Fifty bucks Well price Aero modeller given pounds sterling get US bucks translated British funny-money send Sweden seemed little ludicrous asked Sigurdson price real honest US bucks comes out $20 plus $2 postage handling handmade unit serially num bered carries one-year warranty Send personal check money order Thomas Sigurdson Myrvagen 12 S-902 32 Umea Sweden Strobe source anyone Night flying known also other spellings nite. ugh has become well-established part US Free Flight Champs possibly also well-known other remote cul-de-sacs Free Flight universe perhaps RCers CLers dark too would know decent light sourcestrapped models bellyis required neither bats flashlight lamps nor chemical lights quite hack Ralph Prey suggests strobelights some sort flash visible half-mile direction once few seconds would hack would run reliably say 10 minutes between battery changes re-charges should weigh too much Any takers think have complete set Frank Zaics Yearbooks wrong Unless NFFS member have received October issue NFFS Digest supposed pub lished December maybe January least Real Soon Now Fragments3 1 three-views actually plus cover drawings Bjorn Karlstromof what might have typical Zaic Yearbook 1968 have inserted Digest doit-yourself re-binding form traditional Yearbook albeit bit thin printer ran off few extra copies available NFFS Publica tions $250 plus $50 postage Milky Way galaxy Send hard-earned coin-of-the-realm NFFS 4858 Moorpark Ave San Jose CA 95129 81 NFFS Sympo Report alive alive oh few uncut unbound copies squir reled away editor presentation authors papers somewhere along line said editor ran out beansor something Anyhow copies recently surfaced have bound plastic claw-type bindings commonly called spiral bindings arent now available few pages might little scraggly some copiessignatures got misplaced invertedand have replaced notentirely-useless Xerox copies Continued page 148 March 1986 147 Em hdII INFORMATIVE AND ENTERTAINING * Youll see decals glue fuel Sigs 2000 other model airplane products made * Watch Sig models being designed flight tested * See Hazel Sig fly full-scale Clipped Wing Cub * Learn world famous Sig balsa comes cut * See what makes Sig unique model industry professionally produced video tape has lots flying scenes interesting factory insights Perfect showing club meetings FREE RENTAL dont want keep tape simply return us undamaged within 30 days get full $2500 r~ SPRAY MASK Modern spray pa nts give beautiful look ing finish airplane needs green lungs yellow stripes mention paint fumes can cause medical problems spray mask replaceable pre-filter solves problem soft face mask adjustable straps comfortably tits face sizes easy breathing valve allows prolonged use providing dependable filtering concen trations up 1000 PPM though rugged industrial mask light weight eliminate tatigue So dont get innards painted get protected Order paint mask today Just $1542 shipping Extra pre-tilters $295 Money order Master Charge Visa include expira tion date check allow 20 days clear Sorry no CODs Pelican Enterprises Inc 265 OXFORD LANE BLOOMINGDALE ILLINOIS 60108 P S Send catalog modelers safety supplies YES want paint mask #124 Enclosed $1542 shipping Ninnn City State_____________ Zip L] Visa erCharge Exp Date______ Card ME WINDSOCK Attaches antenna mast clips Iclips included Available frequency colors Give frequency number order 65 Foreign orders add 581 $150 Calif Residents add 6% tax Product Brochure Free order Jeftia Products PO Box 484 Lake Elsinore CA 92330 714 674-1151 price $12 plus $2 P&H world per copy boggin First come first best served strag glers take hindermost Order NFFS Publications Fred Terzian 4858 Moorpark Ave San Jose CA 95129 Bob Stalick publishes new plans book up dates old airfoil book Both books consist almost entirely material previously published Model Builder magazine real handy have together compact form Model Builder Free Flight Three- Views contains 75 follow Pow er32 Rubber12 HL GliderlO Towline Glider13 Indoor8 addi tion page tips scaling drawings cutting in-between ribs tapered wings handy index index model classes grouped together listing gives model name class designers name issue appeared price $5 plus $1 postage handling Model Builder Darned Good Airfoils has three years worth foils added now spans issues January 1974 September 1985 presented form drawing shape table coordinates traditional form Notably absent mod eling publications nose radii Its 23 pages contain about 100 foils con tents page index tips plotting price $250 plus $1 postage handling Both books standard 8A x 11-in format stapled three-holepunched insertion binder Bobnot Model Builderis publish er Order him 5066 NW Picadilly Circle Albany OR 97321 Bob Meuser 4200 Gregory St Oak land CA 94619 FF Old-Timers/Haught Continued page 66 system within field kit Several such commercial units also provide 1 1A 2 volts glow plug operation power panels eliminate clutter provide efficiency also create air professionalism course mod elers use time-honored 1A-volt dry cells either round square con figuration carry spare set bat tery leads complete terminals surance against day bat tery leads break excessive flexing fuel contamination No flight support system complete two protective engine-starting alds commonly referred chicken sticks flooded engine can backfire viciously inflicting serious injury anything props arc field maintenance portion field box should include anticipated spare parts High list propellers Take several size commonly used plus couple sizes either side usual experimental purposes Flight performance often enhanced chang ing different-size propeller Next popularity supply extra spark glow plugs held handy plug holder clean plastic box Did know fuel system needle-setting problems can isolated ignition problems running ignition engine glow plug Gas oil fuel mixtures will run glow long battery hooked up glow plug Fuel line filters may become unser viceable wise have some extra handagain clean container iso lating new parts dust grit flight line An assortment machine screws nuts washers metal screws lock washers etc should cluded time elusive nut screw has disappeared forever detri ment airworthiness model Dont let happen friends Spare wheels wheel collars common field kits well worth carrying lost wheel ends days flying course spare flight bat teries must Obviously before aforementioned parts can value field kit must also include appropriate tools facilitate use Musts include prop glow plug wrenches assortment standard screwdriversplus number Phillips screwdriver Long-nose pliers wire cutters modeling knife round out essentials flier us ing Allen-head bolts correct size Allen wrench will needed nice to-have category tweezers hemostats surgical locking pliers available medical supply houses scissors useful Field repair subject us would rather think about reali ty must faced will return 148 Model Aviation 8 pIus tails Wind Direction Anytime Anywhere * SCALE DOCUMENTATION * SCALE DRAWINGS MODEL PLANS PHOTOS BOOKS PLA-TECH AIRPLANE CATALOG INTERNATIONAL 0060 100 POSES48500 MC KENZIE HWY S3OOVIDA OREGON 97485 LAThES iNG MACNINES INE COP SUPPLIES S FortS Avot Model BLUE1IIDE INERY AN~LS INC Coil toll f,o 1-500 072 6500 RepesenSaOves WV 1 062 3030Many ManufoctIsrers P0 Boo 530-Y HonooflO WV 25020 iegs $100 lOver 200 PepsI LONELY No talk free flight hobby shop thinks DTs medical problem Get mailing list Okie Free Flight Flyer 1902 Peter Pan St Norman Oklahoma 73072 $5 8 issues
Edition: Model Aviation - 1986/03
Page Numbers: 64, 65, 146, 147, 148
F Duration Bob Mouser LETS SEE must have about 1933 first attended model airplane contest would have put age 11 seems about right what would now call slope soaring contest dont know what called remember guys tossing models top hill running like dickens retrieve dont know whether name game Distance Flight Duration After meet found models just sitting trail no name address made no ter rific attempt find owner never flew sure drooled over lot memory dim distinctly recall model having continuously-curved dihedral wing stick-and-tissue model perhaps another meet name painted itEffe Narf Spelling guaranteed heaven ly knows what meant world would remember dumb thing like Effe Narfor phone number time Andover 3013 sometimes have trouble remembering current Anyhow single event kicked model aviation has Slope soaring using Free Flight models still alive some parts world Nowadays have gimmick called magnet steering official FAI classification such models name ly FlE Actually bit misno mer models steered like hanging turns magneta jumbo version kind found magnetic compasssimply keeps model headed along preset magnetic compass heading Simply. s lie takes husky magnet delicately pivot ed balanced connected zerofriction manner control surface state-of-the-art put magnetoperated fin nose model although variants could spend hundreds hours developing own magnet-steering device little less time copying someone elses fortu nately alternative buy bare unit costs 30DM hard plastic pod costs 50 DM DM West German worth about 40t according local paper better check vendor first Anton Frieser Schlesische Strabe 2 D 8832 Weissenburg West Germany Magnet steering big stuff Ger Fifty-three competitors flew 1983 German FlE Nats menu con sisted seven rounds 210 seconds two fly-offs 300 360 seconds final ly unlimited-time round Fourteen 53 nsde flyoffs Six survived first cut four second cut scores final unlimited-time flyoffs 1701 1005 853 429 winning model Schuberth still dot sky other three already ground DT set 15 minutes might have stayed up day After winning 17-minute flight model landed about 100 yards launch site must have thrill see Schuberths winning model very light compared typical ones wind velocity during flight ly three four meters per second model might have fared well wind stronger can always add weight difficult remove it built structure Somehow magnet steering business seems like something should doing let Germans have fun would like have three-view Schuberths model send SASE Ill also send shop drawings steering unit designed used Prof George Arghir Romania strongly suggest buy Frieser unit Let know comes out eh Thanks Hans Gremmer information Half-A wire wheel retainers available after Sig Blue Ridge Models Box 429 Skyland NC 28776 64 Model Aviation Slope soaring/magnet-steered models have never caught USA some reason Europe theyre popular enough have FAI class Fl E see lightweight light-wind model contestant Schuberth off its winning third-flyoff 17-minute flight DTed about 100 yards launch site ugly-looking forward fin has movable surface controiled magnetholds model constant heading wind few hard y modelers have tried geared rubber motors ever since earliest days modeIln Obtaining gears making tie rod have always painhence don t see local field much Thomas Sigurdson has gearsets ready sellbut have order him Sweden $20 column sells both dealers individuals Campbells Custom Kits Box 5996 Lake Worth FL 33461-0181 sells individuals Both outfits have extensive lines Free Flight kits materials hardware items write catalogsand dont ashamed send em buck trouble dont know catalog prices off top head free itd cost about quarter just stamp envelope Nostalgia revisited Introduced some five years ago Nostalgia events standing midway between Old-Timer current competition gas~ events have gained firm yet somewhat slippery foothold Nostalgia models would fare well current competition flown modern engines better fliers Certification eligibility specific model designs engines has become bit problem especially respect borderline cases easy job theyre working tinuously George Frenchs Dixielander seems have creat ed huge brew-ha-ha wonder body ever thought talking George about Anyhow new list will published Real Soon Now abouts have questions answers about borderliners write Ralph Prey 4859 West 97th Street glewood CA 90301 dont bug him about Dixielander unless name George French walls Cut out plywood according plan install specified blind-nuts T-nuts sometimes called business Except some timeslike nuts strip plywood de-laminates drill ing holes nuts quality con trol commercially-available blind nuts what would call terrific Check yours out before use plywood tear-out can solved several ways simplest scheme seems to use oversize plywood drill holes trim plywood size holes will close edges drilled Another solution insist cutting plywood size before drilling holes saturate edges near holes CyA instant glueand drill holes solution incorporating best both worlds Ed Hopkins writing Ralph Preys Sattelite use over size blank soak surfaces both sides CyA instant glue nut positions drilling finally trimming size hell-bent weight reduc tion try abandoning metal nuts entire ly simply tapping plywood Sever al applications CyA followed tap ping result nearly-metal-like tapped hole Its inappropriate AD-15 en gine perhaps adequate lots else get funny feeling bit over decade ago seemed electric propul sion applied Free Flight solu tion search problem get feel ing now beginning take hold long last has made firm foothold RC FF Well Free Flight traditional alternatives gas rubber-power Electric propul sion stood never-never land between two few diehards wont step side other reach Maybejust maybetimes achanging entry level price Ra dio Shack generic Brand-X motor selling less buck some one-shot batteries scrounged roll Pola roid instant color-print film can get small FF model air gusto high-end system geared motor sporting samarium-cobalt permags fi bergiass folding prop set Ni-Cds ground-support stuff necessarily goes could run bit over $200 half could build up reasonably competitive system good day kick tail ends out high-end lads have something laugh about way home Don Hughes has running series articles about FF electric propulsion Free Flight NFFS Digest slick-cover model mags have regular occasional articles about electric pro pulsion Give try Call papers Sympo 86 think Continued page 146 March 1986 65 Bill Burt shines new O-T 02 Replicaa Playboy Its very successful 3/f oz us ing 65%-nitro fuel Photo John Oldenkamp San Diego Orbiteers club has come up another new event Hub-Tech A-Gas Don Bartick Poway CA seems mighty p leased entry Ship covered trans parent red MonoKote sports folding prop Photo John Oldenkamp Looking color photos favorite plane Bob Banka boasts collection 36000-plus photos plus large number scale drawings pack pix model may cost average about 15 bucks serious modeler thats cheap days large SASE two bucks will bring extensive listings Scale Model Research 418-B East Ocean front Newport Beach CA 92661 Until next time happy landings Bill Warner 423-C San Vicente Blvd Santa Monica CA 90402 FF Duration/Meuser Continued page 65 might have something contribute 1986 NFFS Symposium Report tell editor about Finished papers should editors hands before April 1 1986which will sooner think Subjects can range far-out theoretical gas down-home practi cal stuff about making models fly real good despite theoretical stuff says cant Get touch W Hewitt Phillips 310 Manteo Ave Hampton VA 23361 phone number 804 Wakefield gears idea using gears some fashion enable prop turn different rate rubber motor connect several motors single prop goes back turn century occasionand some pur posessuch devices have proved highly successful other instances dismal failures Return gearsthe type described herehelped Arne Ellila win Wakefield trophy 1950 quite popular during era such arrangement gear-set rear aircraft rubber motor spans between prop gearbox sec ond rubber motor runs gearbox anchor front aircraft effect motor twice length single motor producing same torque notion such arrangement will automatically double models flight time myth sup ported neither theory nor practice would true gearbox sec ond motor weighed nothing Nevertheless return gears offer potential advantage applied properly number trade-offs considered major consideration labor consumed manufacturing gear-set coupled need access proper machine tools Home-brew ones often fail can simply buy different ball game first saw Thomas Sigurdsons gear unit described Aeromodeller magazine stated design based Thomas E Murphy ap peared 1951-52 Frank Zaic Year book might true indeed seems Sigurdsons embodies best features Murphys design Overall however resemblance rather super ficial Rather beat comparison two half death Ill simply describe Sigurdsons unit riveted together Im about destroy tak ing apart can tell what can see outside body consists piece alumi num bar stock serving support two brass possibly bronze bushings riveted place insides bushings serve journals motor shafts gears run outsides bushings no rigid connection between gears shafts crooked ends shafts inserted loose-fitting holes near outside aluminum gears giving sort universal-joint action Wear motor-shaft journals has no effect alignment gears rubbermotor tension transmitted motor shafts gears collars fitted shafts gears body through ball thrust bearings GERMAN D0335 ANTEATER 48 WING SPAN FOR 4Ote 60 ENGINE o 101 $1400 NORTHROP GAMMA TEXACO SKYCH EF 72 WING SPAN FOR 60 ENGINE Plan No102 $1400 paslage paid wilhin Else USA NJ residenls add 6% sales tao RFM Design Research PO BOX 2393 VINCENTOWN NJ 08088 146 Model Aviation 0 CHAMPION FF KITS Wake-Up Wakefield$44 95* Champion Coupe$25 96* Upshot Mulvihill*2450* Champion Rubber 1183118 & f4 widths 042 thick $11 9611b box* CATALOG *100 CHAMPION MODEL PRODUCTS 880 Carmen Ct La Verne CA 91750 714599-3348 Includes US delivery via UPS CA rae add 6% tax FF Scale/Warner723-5382 Youll Real Soon Now OK Continued page 141 THE BEST IN SCALE 68 WIng Span 60 10 90 Power PLAN $199S - $200 shipping Plan/Cowl/Canopy $3695 4 $300 shIpping KENT WALTERS WINS 85 MASTERS WITH DAUNTLAS Scale Dream Book ol Plan/Kits Accessories $300 US Agenl br Brian Taylor Dennis Bryanl British Magazine WORLDS LARGEST SELECTION OF SCALE PLANS & 3-VIEWS BOB HOLMANN PLANS PO Box 741 San Bernardino CA 92402 TAKE FREE VIDEO TOUR OF appear have machined steel races might either fitted body gears simply slipped over bushing cant tell outside Either way should job balls loose being no spacer ring quite adequate such low-speed operation gears have lot backlash perhaps 20 mils tooth does imply rough runningthat depends entirely tooth shapeand fact advantage foreign matter finds its way between teeth less likely jam gears likely find its way out between teeth after turn two finish greatest being coarse-feed marks chatter marks burrs None can possibly affect running slightest degree Bending shafts accommodate rubber motors S-hooks left purchaser wisely tastes vary severe limitation motor weight Wakefield models seems ex tremely unlikely gears would fer advantage over single directdrive rubber motor duplicating cer tain vintage models used such gears purchasing unit reasonable price has over cobbling up oneself unless really sort thing Mulvihill models units offer op portunity explore avenue toward higher performance has order lust send $2500 check money order name address telephone number Sig Mfg Co phone Visa MasterCard order toll-free line 1-800-247-5008 Please specify VHS BETA format ordering tread seriously recent years price What would guess con sidering individually made production run 100 would saturate market 20 years come Fifty bucks Well price Aero modeller given pounds sterling get US bucks translated British funny-money send Sweden seemed little ludicrous asked Sigurdson price real honest US bucks comes out $20 plus $2 postage handling handmade unit serially num bered carries one-year warranty Send personal check money order Thomas Sigurdson Myrvagen 12 S-902 32 Umea Sweden Strobe source anyone Night flying known also other spellings nite. ugh has become well-established part US Free Flight Champs possibly also well-known other remote cul-de-sacs Free Flight universe perhaps RCers CLers dark too would know decent light sourcestrapped models bellyis required neither bats flashlight lamps nor chemical lights quite hack Ralph Prey suggests strobelights some sort flash visible half-mile direction once few seconds would hack would run reliably say 10 minutes between battery changes re-charges should weigh too much Any takers think have complete set Frank Zaics Yearbooks wrong Unless NFFS member have received October issue NFFS Digest supposed pub lished December maybe January least Real Soon Now Fragments3 1 three-views actually plus cover drawings Bjorn Karlstromof what might have typical Zaic Yearbook 1968 have inserted Digest doit-yourself re-binding form traditional Yearbook albeit bit thin printer ran off few extra copies available NFFS Publica tions $250 plus $50 postage Milky Way galaxy Send hard-earned coin-of-the-realm NFFS 4858 Moorpark Ave San Jose CA 95129 81 NFFS Sympo Report alive alive oh few uncut unbound copies squir reled away editor presentation authors papers somewhere along line said editor ran out beansor something Anyhow copies recently surfaced have bound plastic claw-type bindings commonly called spiral bindings arent now available few pages might little scraggly some copiessignatures got misplaced invertedand have replaced notentirely-useless Xerox copies Continued page 148 March 1986 147 Em hdII INFORMATIVE AND ENTERTAINING * Youll see decals glue fuel Sigs 2000 other model airplane products made * Watch Sig models being designed flight tested * See Hazel Sig fly full-scale Clipped Wing Cub * Learn world famous Sig balsa comes cut * See what makes Sig unique model industry professionally produced video tape has lots flying scenes interesting factory insights Perfect showing club meetings FREE RENTAL dont want keep tape simply return us undamaged within 30 days get full $2500 r~ SPRAY MASK Modern spray pa nts give beautiful look ing finish airplane needs green lungs yellow stripes mention paint fumes can cause medical problems spray mask replaceable pre-filter solves problem soft face mask adjustable straps comfortably tits face sizes easy breathing valve allows prolonged use providing dependable filtering concen trations up 1000 PPM though rugged industrial mask light weight eliminate tatigue So dont get innards painted get protected Order paint mask today Just $1542 shipping Extra pre-tilters $295 Money order Master Charge Visa include expira tion date check allow 20 days clear Sorry no CODs Pelican Enterprises Inc 265 OXFORD LANE BLOOMINGDALE ILLINOIS 60108 P S Send catalog modelers safety supplies YES want paint mask #124 Enclosed $1542 shipping Ninnn City State_____________ Zip L] Visa erCharge Exp Date______ Card ME WINDSOCK Attaches antenna mast clips Iclips included Available frequency colors Give frequency number order 65 Foreign orders add 581 $150 Calif Residents add 6% tax Product Brochure Free order Jeftia Products PO Box 484 Lake Elsinore CA 92330 714 674-1151 price $12 plus $2 P&H world per copy boggin First come first best served strag glers take hindermost Order NFFS Publications Fred Terzian 4858 Moorpark Ave San Jose CA 95129 Bob Stalick publishes new plans book up dates old airfoil book Both books consist almost entirely material previously published Model Builder magazine real handy have together compact form Model Builder Free Flight Three- Views contains 75 follow Pow er32 Rubber12 HL GliderlO Towline Glider13 Indoor8 addi tion page tips scaling drawings cutting in-between ribs tapered wings handy index index model classes grouped together listing gives model name class designers name issue appeared price $5 plus $1 postage handling Model Builder Darned Good Airfoils has three years worth foils added now spans issues January 1974 September 1985 presented form drawing shape table coordinates traditional form Notably absent mod eling publications nose radii Its 23 pages contain about 100 foils con tents page index tips plotting price $250 plus $1 postage handling Both books standard 8A x 11-in format stapled three-holepunched insertion binder Bobnot Model Builderis publish er Order him 5066 NW Picadilly Circle Albany OR 97321 Bob Meuser 4200 Gregory St Oak land CA 94619 FF Old-Timers/Haught Continued page 66 system within field kit Several such commercial units also provide 1 1A 2 volts glow plug operation power panels eliminate clutter provide efficiency also create air professionalism course mod elers use time-honored 1A-volt dry cells either round square con figuration carry spare set bat tery leads complete terminals surance against day bat tery leads break excessive flexing fuel contamination No flight support system complete two protective engine-starting alds commonly referred chicken sticks flooded engine can backfire viciously inflicting serious injury anything props arc field maintenance portion field box should include anticipated spare parts High list propellers Take several size commonly used plus couple sizes either side usual experimental purposes Flight performance often enhanced chang ing different-size propeller Next popularity supply extra spark glow plugs held handy plug holder clean plastic box Did know fuel system needle-setting problems can isolated ignition problems running ignition engine glow plug Gas oil fuel mixtures will run glow long battery hooked up glow plug Fuel line filters may become unser viceable wise have some extra handagain clean container iso lating new parts dust grit flight line An assortment machine screws nuts washers metal screws lock washers etc should cluded time elusive nut screw has disappeared forever detri ment airworthiness model Dont let happen friends Spare wheels wheel collars common field kits well worth carrying lost wheel ends days flying course spare flight bat teries must Obviously before aforementioned parts can value field kit must also include appropriate tools facilitate use Musts include prop glow plug wrenches assortment standard screwdriversplus number Phillips screwdriver Long-nose pliers wire cutters modeling knife round out essentials flier us ing Allen-head bolts correct size Allen wrench will needed nice to-have category tweezers hemostats surgical locking pliers available medical supply houses scissors useful Field repair subject us would rather think about reali ty must faced will return 148 Model Aviation 8 pIus tails Wind Direction Anytime Anywhere * SCALE DOCUMENTATION * SCALE DRAWINGS MODEL PLANS PHOTOS BOOKS PLA-TECH AIRPLANE CATALOG INTERNATIONAL 0060 100 POSES48500 MC KENZIE HWY S3OOVIDA OREGON 97485 LAThES iNG MACNINES INE COP SUPPLIES S FortS Avot Model BLUE1IIDE INERY AN~LS INC Coil toll f,o 1-500 072 6500 RepesenSaOves WV 1 062 3030Many ManufoctIsrers P0 Boo 530-Y HonooflO WV 25020 iegs $100 lOver 200 PepsI LONELY No talk free flight hobby shop thinks DTs medical problem Get mailing list Okie Free Flight Flyer 1902 Peter Pan St Norman Oklahoma 73072 $5 8 issues