LA Model Hobby Show 24 / least 220 exhibitors years show exciting array new model hobby products unveiled Included some very impressive new kits radios engines RC aeromodeler HEloy Marez Left This Concept 30 Helicopter mounted neat chopper stand developed Lightning Products can used flying field shop attaches tripod can adjusted fit size machine tray below holds tools parts Middle 3-D Helicopter flight simulator Century ImportlExport designed help novice chopper pilot through difficult early flight training stages Right This biplane very effectively displaying Williams Brothers dummy engine spinner wheels pilot adding realistic touch July 1990 55 Above The entrance gate Los Angeles County Fairplex Pomona CA years show sponsored RCHTA Radio Control Hobby Trade Association MRIA Mod el Railroad Industry AssociatIon held flow spectators remained constant throughout shows run Below Inside show wide aisles exhibitor specialty groupings made easy navigate through seeming labyrinth signs exhibit booths RADIO CONTROL weekend action uncommon southern California Ion weekend March 8 no exception time though rather RC arenas area action took place Los Ange les County Fairplex scene Sec ond Annual Los Angeles Model Hobby Show over 200 manufacturers distrib utors importers retailers hand show-and-tell various model wares impressively large crowd Modelers facet hobby came learn about latest industry offerings LA Model Hobby Show jointly sponsored Radio Control Hobby Trade Association RCHTA generally pro nounced rick-ta Model Railroad Industry Association MRIA show produced Professional Exposition Management Company specializes organizing managing special interest trade exhibitions such RCHTA Radio Control enthusiasts have natural interest RCHTA organization brings together manufacturers distributors representatives publishers com mon goal promote growth RC related products enhancing public awareness RC hobby inLeft The Comet Model Company oldest still around displayed extensive line inexpensive stick-and-tissue rubber-powered models Right Nick Nicholas TSK R/C Helicopter Accessories displaying Impressive line high-quality chopper kits accessories ii Left Many adhesives available modeler today proper use important can sometimes confusing Pacer Technology major supplier adhesives attempts clarify confusion Its education programs Pacers Herschel Worthy gave excellent talk subject Right Gary Moline GM Precision Products displays popular Sunbird 120 comes three sizes 37 71 Left The Hirobo SST Eagle world-class machine current world champion Helicopter choice top flier Mike Mas Hirobo prod ucts currently available through Altech Marketing Right Probably largest collection ARF almost-ready-to-fly models gathered un der roof EZ Sports Aviation displayed Its entire lineup popular series available Global Distributors Hobby Shack 56 Model Aviation dustry RCHTA chartered nonprofit cor poration Its 15-member board directors includes names familiar us parent companies often cause personal involvement RCers too present RCHTA organizes three mod el shows annually LA show opens season followed Philadelphia show early May Chicago show November Probably best known Chi cago exposition LA County Fairplex located Pomona CA some 30 minutes center Los Angeles As home annual Los Angeles County Fair com plex has ample facilities event like Nevertheless second building added comfortably house LA show boat pond dirt flat RC car tracks extensive model train layout model display area local modelers displaying handiwork provided New year retail store area customers could order choice products viewed exhib itors area number seminars added interest some exclusively members hobby industry individual mod eler forgotten Separate no-charge no-reservations discussions presented cars trains such confusing subjects best use types adhe sives now available Herschel Worthy Pacer Technology gave excellent talk adhesives subject closest hearts RC air planes adjust maxi mum performance expertly covered Rich Uravitch editor Model Airplane News Rich familiar us active knowledgeable modeler Quite popular also Lets Play free prize drawings show patrons could register win complete RC car boat plane train outfit given away What did see new youre fresh model trade show thats usu ally first question youre asked Ill gin broad observation LA show confirmed trend first noticed ear California exhibitionscompanies formerly catered other sorts hobbyists now moving RC model airplane field found quite interesting view certainty RC car en thusiasts both makers consumers maintain RC hobby originated Associated RC-l0 car Several years ago well-known RC car dustry leader prophesied couple years no will flying RC airplanes everyone will driving RC cars Fat chance said myself Well couple years have come gone proving right RC aircraft industry notably healthy robust its growing point RC car manufacturers branch ing airplanes Probably significant companies Parma International largest largest RC car aftermarket product supplier Parma showing two ARF Electric RC airplanes ac cessories replacement parts Minicraft Models company well known its ex tremely accurate plastic display models now offers several flying model kitsbalsaand-tissue Gliders rubber-powered de signs couple interesting preassem bled balsa-and-tissue Electrics boat manufacturers getting act Victor Model Products well known RC sailboat field showed two Elec tric airplane kits 31-in-span Pietenpol 5 l-in-span semiscale model Spirit St Louis called Lindys Lectric seems manufacturers must seeing swing part custom ers basic line nonflying models airplanes suspect theyre learning what rest us have known along Flying real modeling action July1990 57 Jeanette Ramson United Model Distribu tors showing off companys Salto FA 325 Saito makes four-stroke engines time another serious model hobbyist finds himself looking buying small lathe best market confirmed RCer several exciting Unimat PC Its sOphisti new items being offered Carl Goldberg cated enough use computer control soon release perhaps summer second-generation X-347 transmltter/ computer JR multiprogrammable airplanes Helicopters Sailplanes plus other computer-controlled functions hits show new Ultimate bipe Goldberg Models Its designed new BGX-1 3500 two-stroke engine 60 two-stroke 120 four-stroke power 05 marks companys entry big incorporates Golbergs latest construction engine market displaces 2135 cu techniques making fast easy build turns up 9000 rpm weighs 20 oz Left This cute ARF Electric-powered pusher comes complete spare parts crash warranty other beginner models available Chicago Model International Right Charlie Bauer Top Flite Models companys latest offering electric-powered Phasoar spans 561/4 weighs 24 27 oz Its specifically designed Astro Flight 035 cobalt motor two- three-channel control Left Minicraft models up till now plastic display model supplier has entered RC flying field Vegas 40 Electric Glider Its interesting stick-and-tissue ARF Except radio battery pack kit appears come complete including motor Right Doug Bryant Eagle Products showing interesting example graphics possible companys line colorful trim material Left Primarily designed Slope Soaring 38-in-span A-4 Bruces Aircraft Models can also converted quite easily glow electric power Right US AirCore Inc premiered its CoroStar 40 uses unique corrogated polypropylene construction material new kit called Ultimate Biplane humble-looking very aerobatic bipe first introduced model form 1988 Tournament Champions Goldberg kit incorporates fast-building tech niques company has developed over years also features foolproof system attaching aligning top wing Ul timate Biplane designed 60 twostroke 120 four-stroke power spans 51 980 sq wing area weighs 7/2 81/2 lb 60 two-stroke engine bipes realistic aerobatics game youd better get dealers list Just exciting two multicylinder engines being produced West Coast En gines 17485 Catalpa Hesperia CA 92345 telephone 1-619/947-5504 display five- seven-cylinder ver sions both well-finished highly polished aluminum exteriors Both engines look like four-strokers normal config uration top-mounted valve covers pushrods front interesting part really single-cylinder two-stroke engines dis guise resembling big Rossi 90s OS 80s nothing visible except rearmounted carburetor single operating exhaust channeled crankcase Continued page 165 58 Model Aviation JTBP1 09- 15 1495 JT-BP2 19- 25 1495 JT-BP3 29 056 1495 ii not available hsbby shop ORDER DiRECifor immediate shipment Check MO Visa MC COO accepted Add $250 tsr UPS $300 tsr COD 60/ sales too tsr Calif residents Formula 1 John McDermott 20 Pt 11835 2 Dennis OBrien 19 pt 11981 3 Drew Telford 17 Pt 12334 4 Barry West 16 pt 12757 5 Michael Klutz 14 Pt 11268 6 Paul Benezra 12 Pt 12037 7 Bob Schuster 12 pt 13260 8 Stormin Norm Johnson 11 Pt 11542 9 Gary Walker 10 Pt 12570 10 Racer Rick Lan ders 9 Pt 12350 Best time Brian Richmond 10808 Next month make 90-second clock start/finish line Support organization responsible what have racing today Support NMPRA join information write Ron Schorr 5224 Teesdale North Hollywood CA 91607 See next month LA Show/Marez Continued page 58 other nonoperating cylinders turn exhausting through what would nor mal exhaust ports true four-stroke en gine type sound reported completely different almost too quiet Though theyre being mass pro duced engines available modeler information write call manufacturer Also seen LA show brandnew products aimed novice RC flier new company Chicago Model Interna tional CMI offering innovative ap proach learning difficulties new pi $1695PropeIIer Drill Jigs 08 Self aligns existing prop hole Webre Bully s-Dolmar Zence um II SunCraft 1617 Los Tamases Albuq NM 87102 505-842-9646 I, JT-BP4 60 901495 JT-BP5 MAX 90-106 1795 JT-8P6 ST 2500-3000 2195 5tNO 25t STAMP.muI ADOITIONAt INFO AND JTEC CATALOG 164 School So. Daly City CA 94014 141517563400 lots what termed its crash war ranty CMI displayed two ARF Electric airplanes Cessna look-alike other very appealing shoulder-wing pusher top-pod-mounted motor Both come complete everything needed get air RC system battery charger spare parts Under companys crash warranty during first 60 days after purchase broken parts may returned repair replacement cost shipping handling alone $650 As know beginners would like start flying Ultimate mentioned earlier CMI offers what seems like practical safer ap proach Radios appear advancing quan tum leaps Airtronics introduced its new second-generation computer transmitter will available year rede signed transmitter has fully contoured case falls hands naturally baseball showing little family resem blance its forbears isnt just other pretty face radio features chan nel selection touch button some thing us have asking since now-defunct Kraft Systems frequency synthesizer introduced principle will have multiple programming features available different versions special ized flying applications Hobby Dynamics distributors JR equipment also new computer share known X-347 too has con toured case designand some T shirts size fits transmitter can programmed airplanes Helicopters Sailplanes makes lot sense really active flier X-347 also fea tures programmable trainer system student starts basics takes over more control skills progress Large Scale models less evidence years past OS did unveil new engine such planes quite impressivethe BGX-l 3500 Like probably wonder what nomencla ture stands 3500 simplethe Continued page 168 Mere Fun ESC SPECIFIC vfing Span62Y2 inches Wing Area770 square inches Engine Size 10 cc 90 120 four stroke Designed forAMA FAI Turn-around pattern Foam wing stab 3-32 Balsa sheet covering Tricycle conven tional gear fixed retracts Rear side exhaust fiber glass canopy Very positive majverable XLT SPECIFICAi Wing Span65 inches Length65 inches Wing Area845 square inches Recommended Engine Size 10 cc 90 120 four stroke XLT designed tuned pipe re tract landing gears Capable AMA Turn-around pattern Rear side ex haust SPECIFICATIONS Wing Span Wing Area Engine Size 63Y4 inches 700 square inches 50-60 Glow 90 four stroke Forfun sport pattern orturn-around can done Utter Chaos completely built up Balsa construction Canopy engine mount included years proven flying reliablity BRIDI AIRCRAFT DESIGNS INC 23625 Pineforest Lane Harbor City California 90710 213 549-8264 213 326-5013 SEE YOUR FAVORITE HOBBY SHOP OR RETAIL OUTLET W Dealer InqurM Invited July 1990 165 Snuf-Vibe BACK PLATE MOUNTS Front Intake Engines Aluminum Back Plate Mounts light weight easy Install Just boO engine crank case mounts equipped SNUF-ViBE isolation system double protection engine vibration SIX SIZES FOR ENGINES 15 TO 182 eOoPRECISI0NTNSTFlUMENTS MILLS METALS OOOKS _____COMPLETE COTOLOC $200 10005 oP items AMPIEU reets ce oaoo N S1, Rood Sprogfoo1d OH 45505 5133228562 lam sure know maybe have old well browned motor seemed run just little bit better others same make around have come feel magic ingredient occasional extra eager motors have related effectiveness crankcase seal piston comes down gas crankcase compressed prepara tion bypassing case tight some gas escapes goes part ofyour power does go ask rear cover gasket absolutely tight am sure leaking Well several other places case pressure can go alongside crankshaft intake up between skirt piston inside liner out exhaust port Soyou say Lets make thesefits tight gas cant escape fine except get surfaces too close togetherfricrion goes up power output goes down Make too loose lose case compression large number experiments over years has brought conclusion residual castor oil motor will effectively seal clearance up 0015 003 diameter some todays very thin fuels using low viscosity synthetic lubricants critical clearance would smallen As matter experience have arrived 0015 002 being good crankshaft clearance 002 being goad piston skirt cylinder bore clearance below ports 001 being good case cylinder clearance case racing motors high per formance motors tend make looser Now lot customers like take motor apart clean inspect parts sand off rough surfaces carbon build up What happens clearances get little bit greaten Sometimes may burr piece grit sand will abrade little bit sleeve little bit off piston resulting little bit clearance Also putting motor back coating surfaces castor oil causes little leakage synthetic lubricants often used today high detergent characteristics prevent carbonized oil build up would normally helpfill seal leakage areas advice remove crankshaft cylinder piston unless really necessary motor gets snoot full dirt suggest cleaning removing rear cover plug immersing Stoddard solvent slashing around turning motor oven Now another problem get quite aftw complaints about glow plugs burning out 9 out 10 cases turns out user has built himseff power panel uses resistors rheostat bring starter battery voltage down glow plug voltage fine able tap cell battery use resistors and/or rheostat have 10 amp rating use rheostat resistors having 4 5 amp rating less what happens find adjustment after resistors rheostat have warmed up considerably ready tafly have cooled i4f resistance drops considerabl2 connect plug get rush power overheats plug element recommend never build power ponel pulling full battery voltage down 11 volt plugs want Tap just cell use rheostat and/or resistors have least 10 amps rating JWER Fox Manufacturing Co 5305 Towson Avenue Fort Smith AR 72901 Phone 501 6461656 AFTER YOU DID ALL THE WORK WHY LET YOUR AIRPLANE DO ALL THE FLYING INFO $300 BUILD & FLY THE miniMAX YOURSELF AWARDED Grand Champion and w Computer Designed w 3 Axis Control Reserve Grand Champion Ultralight w Part 103 Ultralight u Easy Construction 1989 Sun-N-Fun Fly-In w Wood ConstructIon TEAM INC BOX 338M BRADYVILLE TN 37026 615 765-5397 LA Show/Marez Continued page 165 2 135-cu-in displacement converts exactly 35 cu cm BGX-1 Well about Big Nine X- uess really doesnt matter What can tell new OS two-stroke engine claimed rpm range 1800 9000 weighs 207 oz without header muffler engine can either beam- radial-mounted latter having same hole pattern SuperTigre 5T3000 BGX-l 3500 marketed Great Planes Check ads nearest dealer availability beginning theres some concern RCHTA shows would fol low course others past deterio rating toy craft shows complete cake decorating dolls heads certainly hasnt happened yet LA show definitely model hobby affair did include things dont fly Though identified such separa tion between different types models show obvious Some aisles devoted strictly trains others over flowed cars accoutrements Joy behold also aisles aisles model airplanes course crossoverstool companies example products serve en tire modeling community companies like Airtronics IR others cater wide spectrum modelers car boat enthusiasts RC fliers Officially 220 exhibitors present years LA show unofficial count little higher About 40% exhib itors including multi-interest firms showed items interest model air plane hobbyist probably about av erage model hobby shows today Both trade retailers consumer days drew good crowdsenough keep body interested involved yet large create impossible lineups including restrooms view point model airplane builder flier show quite enjoyableand 100% successful should mention RCHTA shows include swap shops nor buy ing shows personally enjoy swap shops mainly source out-ofproduction items havent found irresistible fountains bargains buying shows too seldom offer real bargains main advantage being convenience carrying product home spot model airplane hobby choices should can choose type design model like fly like really lucky attend trade shows like information regarding future RCHTA shows have questions and/or com ments about organization vited contact Larry Sperling RCHTA Executive Director PO Box 681116 Schaumburg IL 60168 telephone 1-708/3 10-1222 Little Known Addresses Bruces Aircraft Models 3941 S Bristol Suite 93 Santa Ana CA 92704 1-714/24175 18 Control Room 1334-D N Benson Ave Upland CA 91786 1-714/985-9700 US AirCore 5050 Quorum Dr Suite 600 Dallas TX 75240 1-214/991-1876 TSK/Vortex Precision Products 221 5 Magnolia Suite C Anaheim CA 92804 1714/220-2112 Century Import/Export 759 E Brokaw Rd San Jose CA 95112 1-408/436-1025 CIEVE QUALITY PLANS WORLDS GREATEST TRUE SCALE PLANS VARIETY 12IND Best butineos said auOSoIty Known * world ove ton accurate ainonaft p105 pacOical build able models wood tacnic cwnstrucljon hecausa tIrer aucunacy notstUotion yroootypslike Now being oulleotOd nat ,all wallos lte Theyll * tSnill irsylre take hawk boyhood days So authentic owen neplice tuildons nely snonuulwnl ana chridnen irspined Ohew too bowildenieg arrayawe 1000 plwno snook Send $2 br catalog today US Car. Mea ForerUn Ainmail add $1 NO credit cards please S day terurwe 216-SCt 600 Eduurd2Pun-d.urrwnuBnulFrwnd~ * CLEVEIAND MODEL & SUPPLY CO jd~ 15357B Dotewit Awe Clenelond Ohio 44102 w 168 Model Aviation Rubber ft Engine Power Pree Plight Display Control Line Electric Power RIC Airplanes new illustrated 32 page tebloid size cetalog US ft Cenada $100 Poreigh $300 Penn Valley Hobby Center 837-A W Main St Lanodale PA 19446 215- 368-0710
Edition: Model Aviation - 1990/07
Page Numbers: 55, 56, 57, 58, 165, 168
LA Model Hobby Show 24 / least 220 exhibitors years show exciting array new model hobby products unveiled Included some very impressive new kits radios engines RC aeromodeler HEloy Marez Left This Concept 30 Helicopter mounted neat chopper stand developed Lightning Products can used flying field shop attaches tripod can adjusted fit size machine tray below holds tools parts Middle 3-D Helicopter flight simulator Century ImportlExport designed help novice chopper pilot through difficult early flight training stages Right This biplane very effectively displaying Williams Brothers dummy engine spinner wheels pilot adding realistic touch July 1990 55 Above The entrance gate Los Angeles County Fairplex Pomona CA years show sponsored RCHTA Radio Control Hobby Trade Association MRIA Mod el Railroad Industry AssociatIon held flow spectators remained constant throughout shows run Below Inside show wide aisles exhibitor specialty groupings made easy navigate through seeming labyrinth signs exhibit booths RADIO CONTROL weekend action uncommon southern California Ion weekend March 8 no exception time though rather RC arenas area action took place Los Ange les County Fairplex scene Sec ond Annual Los Angeles Model Hobby Show over 200 manufacturers distrib utors importers retailers hand show-and-tell various model wares impressively large crowd Modelers facet hobby came learn about latest industry offerings LA Model Hobby Show jointly sponsored Radio Control Hobby Trade Association RCHTA generally pro nounced rick-ta Model Railroad Industry Association MRIA show produced Professional Exposition Management Company specializes organizing managing special interest trade exhibitions such RCHTA Radio Control enthusiasts have natural interest RCHTA organization brings together manufacturers distributors representatives publishers com mon goal promote growth RC related products enhancing public awareness RC hobby inLeft The Comet Model Company oldest still around displayed extensive line inexpensive stick-and-tissue rubber-powered models Right Nick Nicholas TSK R/C Helicopter Accessories displaying Impressive line high-quality chopper kits accessories ii Left Many adhesives available modeler today proper use important can sometimes confusing Pacer Technology major supplier adhesives attempts clarify confusion Its education programs Pacers Herschel Worthy gave excellent talk subject Right Gary Moline GM Precision Products displays popular Sunbird 120 comes three sizes 37 71 Left The Hirobo SST Eagle world-class machine current world champion Helicopter choice top flier Mike Mas Hirobo prod ucts currently available through Altech Marketing Right Probably largest collection ARF almost-ready-to-fly models gathered un der roof EZ Sports Aviation displayed Its entire lineup popular series available Global Distributors Hobby Shack 56 Model Aviation dustry RCHTA chartered nonprofit cor poration Its 15-member board directors includes names familiar us parent companies often cause personal involvement RCers too present RCHTA organizes three mod el shows annually LA show opens season followed Philadelphia show early May Chicago show November Probably best known Chi cago exposition LA County Fairplex located Pomona CA some 30 minutes center Los Angeles As home annual Los Angeles County Fair com plex has ample facilities event like Nevertheless second building added comfortably house LA show boat pond dirt flat RC car tracks extensive model train layout model display area local modelers displaying handiwork provided New year retail store area customers could order choice products viewed exhib itors area number seminars added interest some exclusively members hobby industry individual mod eler forgotten Separate no-charge no-reservations discussions presented cars trains such confusing subjects best use types adhe sives now available Herschel Worthy Pacer Technology gave excellent talk adhesives subject closest hearts RC air planes adjust maxi mum performance expertly covered Rich Uravitch editor Model Airplane News Rich familiar us active knowledgeable modeler Quite popular also Lets Play free prize drawings show patrons could register win complete RC car boat plane train outfit given away What did see new youre fresh model trade show thats usu ally first question youre asked Ill gin broad observation LA show confirmed trend first noticed ear California exhibitionscompanies formerly catered other sorts hobbyists now moving RC model airplane field found quite interesting view certainty RC car en thusiasts both makers consumers maintain RC hobby originated Associated RC-l0 car Several years ago well-known RC car dustry leader prophesied couple years no will flying RC airplanes everyone will driving RC cars Fat chance said myself Well couple years have come gone proving right RC aircraft industry notably healthy robust its growing point RC car manufacturers branch ing airplanes Probably significant companies Parma International largest largest RC car aftermarket product supplier Parma showing two ARF Electric RC airplanes ac cessories replacement parts Minicraft Models company well known its ex tremely accurate plastic display models now offers several flying model kitsbalsaand-tissue Gliders rubber-powered de signs couple interesting preassem bled balsa-and-tissue Electrics boat manufacturers getting act Victor Model Products well known RC sailboat field showed two Elec tric airplane kits 31-in-span Pietenpol 5 l-in-span semiscale model Spirit St Louis called Lindys Lectric seems manufacturers must seeing swing part custom ers basic line nonflying models airplanes suspect theyre learning what rest us have known along Flying real modeling action July1990 57 Jeanette Ramson United Model Distribu tors showing off companys Salto FA 325 Saito makes four-stroke engines time another serious model hobbyist finds himself looking buying small lathe best market confirmed RCer several exciting Unimat PC Its sOphisti new items being offered Carl Goldberg cated enough use computer control soon release perhaps summer second-generation X-347 transmltter/ computer JR multiprogrammable airplanes Helicopters Sailplanes plus other computer-controlled functions hits show new Ultimate bipe Goldberg Models Its designed new BGX-1 3500 two-stroke engine 60 two-stroke 120 four-stroke power 05 marks companys entry big incorporates Golbergs latest construction engine market displaces 2135 cu techniques making fast easy build turns up 9000 rpm weighs 20 oz Left This cute ARF Electric-powered pusher comes complete spare parts crash warranty other beginner models available Chicago Model International Right Charlie Bauer Top Flite Models companys latest offering electric-powered Phasoar spans 561/4 weighs 24 27 oz Its specifically designed Astro Flight 035 cobalt motor two- three-channel control Left Minicraft models up till now plastic display model supplier has entered RC flying field Vegas 40 Electric Glider Its interesting stick-and-tissue ARF Except radio battery pack kit appears come complete including motor Right Doug Bryant Eagle Products showing interesting example graphics possible companys line colorful trim material Left Primarily designed Slope Soaring 38-in-span A-4 Bruces Aircraft Models can also converted quite easily glow electric power Right US AirCore Inc premiered its CoroStar 40 uses unique corrogated polypropylene construction material new kit called Ultimate Biplane humble-looking very aerobatic bipe first introduced model form 1988 Tournament Champions Goldberg kit incorporates fast-building tech niques company has developed over years also features foolproof system attaching aligning top wing Ul timate Biplane designed 60 twostroke 120 four-stroke power spans 51 980 sq wing area weighs 7/2 81/2 lb 60 two-stroke engine bipes realistic aerobatics game youd better get dealers list Just exciting two multicylinder engines being produced West Coast En gines 17485 Catalpa Hesperia CA 92345 telephone 1-619/947-5504 display five- seven-cylinder ver sions both well-finished highly polished aluminum exteriors Both engines look like four-strokers normal config uration top-mounted valve covers pushrods front interesting part really single-cylinder two-stroke engines dis guise resembling big Rossi 90s OS 80s nothing visible except rearmounted carburetor single operating exhaust channeled crankcase Continued page 165 58 Model Aviation JTBP1 09- 15 1495 JT-BP2 19- 25 1495 JT-BP3 29 056 1495 ii not available hsbby shop ORDER DiRECifor immediate shipment Check MO Visa MC COO accepted Add $250 tsr UPS $300 tsr COD 60/ sales too tsr Calif residents Formula 1 John McDermott 20 Pt 11835 2 Dennis OBrien 19 pt 11981 3 Drew Telford 17 Pt 12334 4 Barry West 16 pt 12757 5 Michael Klutz 14 Pt 11268 6 Paul Benezra 12 Pt 12037 7 Bob Schuster 12 pt 13260 8 Stormin Norm Johnson 11 Pt 11542 9 Gary Walker 10 Pt 12570 10 Racer Rick Lan ders 9 Pt 12350 Best time Brian Richmond 10808 Next month make 90-second clock start/finish line Support organization responsible what have racing today Support NMPRA join information write Ron Schorr 5224 Teesdale North Hollywood CA 91607 See next month LA Show/Marez Continued page 58 other nonoperating cylinders turn exhausting through what would nor mal exhaust ports true four-stroke en gine type sound reported completely different almost too quiet Though theyre being mass pro duced engines available modeler information write call manufacturer Also seen LA show brandnew products aimed novice RC flier new company Chicago Model Interna tional CMI offering innovative ap proach learning difficulties new pi $1695PropeIIer Drill Jigs 08 Self aligns existing prop hole Webre Bully s-Dolmar Zence um II SunCraft 1617 Los Tamases Albuq NM 87102 505-842-9646 I, JT-BP4 60 901495 JT-BP5 MAX 90-106 1795 JT-8P6 ST 2500-3000 2195 5tNO 25t STAMP.muI ADOITIONAt INFO AND JTEC CATALOG 164 School So. Daly City CA 94014 141517563400 lots what termed its crash war ranty CMI displayed two ARF Electric airplanes Cessna look-alike other very appealing shoulder-wing pusher top-pod-mounted motor Both come complete everything needed get air RC system battery charger spare parts Under companys crash warranty during first 60 days after purchase broken parts may returned repair replacement cost shipping handling alone $650 As know beginners would like start flying Ultimate mentioned earlier CMI offers what seems like practical safer ap proach Radios appear advancing quan tum leaps Airtronics introduced its new second-generation computer transmitter will available year rede signed transmitter has fully contoured case falls hands naturally baseball showing little family resem blance its forbears isnt just other pretty face radio features chan nel selection touch button some thing us have asking since now-defunct Kraft Systems frequency synthesizer introduced principle will have multiple programming features available different versions special ized flying applications Hobby Dynamics distributors JR equipment also new computer share known X-347 too has con toured case designand some T shirts size fits transmitter can programmed airplanes Helicopters Sailplanes makes lot sense really active flier X-347 also fea tures programmable trainer system student starts basics takes over more control skills progress Large Scale models less evidence years past OS did unveil new engine such planes quite impressivethe BGX-l 3500 Like probably wonder what nomencla ture stands 3500 simplethe Continued page 168 Mere Fun ESC SPECIFIC vfing Span62Y2 inches Wing Area770 square inches Engine Size 10 cc 90 120 four stroke Designed forAMA FAI Turn-around pattern Foam wing stab 3-32 Balsa sheet covering Tricycle conven tional gear fixed retracts Rear side exhaust fiber glass canopy Very positive majverable XLT SPECIFICAi Wing Span65 inches Length65 inches Wing Area845 square inches Recommended Engine Size 10 cc 90 120 four stroke XLT designed tuned pipe re tract landing gears Capable AMA Turn-around pattern Rear side ex haust SPECIFICATIONS Wing Span Wing Area Engine Size 63Y4 inches 700 square inches 50-60 Glow 90 four stroke Forfun sport pattern orturn-around can done Utter Chaos completely built up Balsa construction Canopy engine mount included years proven flying reliablity BRIDI AIRCRAFT DESIGNS INC 23625 Pineforest Lane Harbor City California 90710 213 549-8264 213 326-5013 SEE YOUR FAVORITE HOBBY SHOP OR RETAIL OUTLET W Dealer InqurM Invited July 1990 165 Snuf-Vibe BACK PLATE MOUNTS Front Intake Engines Aluminum Back Plate Mounts light weight easy Install Just boO engine crank case mounts equipped SNUF-ViBE isolation system double protection engine vibration SIX SIZES FOR ENGINES 15 TO 182 eOoPRECISI0NTNSTFlUMENTS MILLS METALS OOOKS _____COMPLETE COTOLOC $200 10005 oP items AMPIEU reets ce oaoo N S1, Rood Sprogfoo1d OH 45505 5133228562 lam sure know maybe have old well browned motor seemed run just little bit better others same make around have come feel magic ingredient occasional extra eager motors have related effectiveness crankcase seal piston comes down gas crankcase compressed prepara tion bypassing case tight some gas escapes goes part ofyour power does go ask rear cover gasket absolutely tight am sure leaking Well several other places case pressure can go alongside crankshaft intake up between skirt piston inside liner out exhaust port Soyou say Lets make thesefits tight gas cant escape fine except get surfaces too close togetherfricrion goes up power output goes down Make too loose lose case compression large number experiments over years has brought conclusion residual castor oil motor will effectively seal clearance up 0015 003 diameter some todays very thin fuels using low viscosity synthetic lubricants critical clearance would smallen As matter experience have arrived 0015 002 being good crankshaft clearance 002 being goad piston skirt cylinder bore clearance below ports 001 being good case cylinder clearance case racing motors high per formance motors tend make looser Now lot customers like take motor apart clean inspect parts sand off rough surfaces carbon build up What happens clearances get little bit greaten Sometimes may burr piece grit sand will abrade little bit sleeve little bit off piston resulting little bit clearance Also putting motor back coating surfaces castor oil causes little leakage synthetic lubricants often used today high detergent characteristics prevent carbonized oil build up would normally helpfill seal leakage areas advice remove crankshaft cylinder piston unless really necessary motor gets snoot full dirt suggest cleaning removing rear cover plug immersing Stoddard solvent slashing around turning motor oven Now another problem get quite aftw complaints about glow plugs burning out 9 out 10 cases turns out user has built himseff power panel uses resistors rheostat bring starter battery voltage down glow plug voltage fine able tap cell battery use resistors and/or rheostat have 10 amp rating use rheostat resistors having 4 5 amp rating less what happens find adjustment after resistors rheostat have warmed up considerably ready tafly have cooled i4f resistance drops considerabl2 connect plug get rush power overheats plug element recommend never build power ponel pulling full battery voltage down 11 volt plugs want Tap just cell use rheostat and/or resistors have least 10 amps rating JWER Fox Manufacturing Co 5305 Towson Avenue Fort Smith AR 72901 Phone 501 6461656 AFTER YOU DID ALL THE WORK WHY LET YOUR AIRPLANE DO ALL THE FLYING INFO $300 BUILD & FLY THE miniMAX YOURSELF AWARDED Grand Champion and w Computer Designed w 3 Axis Control Reserve Grand Champion Ultralight w Part 103 Ultralight u Easy Construction 1989 Sun-N-Fun Fly-In w Wood ConstructIon TEAM INC BOX 338M BRADYVILLE TN 37026 615 765-5397 LA Show/Marez Continued page 165 2 135-cu-in displacement converts exactly 35 cu cm BGX-1 Well about Big Nine X- uess really doesnt matter What can tell new OS two-stroke engine claimed rpm range 1800 9000 weighs 207 oz without header muffler engine can either beam- radial-mounted latter having same hole pattern SuperTigre 5T3000 BGX-l 3500 marketed Great Planes Check ads nearest dealer availability beginning theres some concern RCHTA shows would fol low course others past deterio rating toy craft shows complete cake decorating dolls heads certainly hasnt happened yet LA show definitely model hobby affair did include things dont fly Though identified such separa tion between different types models show obvious Some aisles devoted strictly trains others over flowed cars accoutrements Joy behold also aisles aisles model airplanes course crossoverstool companies example products serve en tire modeling community companies like Airtronics IR others cater wide spectrum modelers car boat enthusiasts RC fliers Officially 220 exhibitors present years LA show unofficial count little higher About 40% exhib itors including multi-interest firms showed items interest model air plane hobbyist probably about av erage model hobby shows today Both trade retailers consumer days drew good crowdsenough keep body interested involved yet large create impossible lineups including restrooms view point model airplane builder flier show quite enjoyableand 100% successful should mention RCHTA shows include swap shops nor buy ing shows personally enjoy swap shops mainly source out-ofproduction items havent found irresistible fountains bargains buying shows too seldom offer real bargains main advantage being convenience carrying product home spot model airplane hobby choices should can choose type design model like fly like really lucky attend trade shows like information regarding future RCHTA shows have questions and/or com ments about organization vited contact Larry Sperling RCHTA Executive Director PO Box 681116 Schaumburg IL 60168 telephone 1-708/3 10-1222 Little Known Addresses Bruces Aircraft Models 3941 S Bristol Suite 93 Santa Ana CA 92704 1-714/24175 18 Control Room 1334-D N Benson Ave Upland CA 91786 1-714/985-9700 US AirCore 5050 Quorum Dr Suite 600 Dallas TX 75240 1-214/991-1876 TSK/Vortex Precision Products 221 5 Magnolia Suite C Anaheim CA 92804 1714/220-2112 Century Import/Export 759 E Brokaw Rd San Jose CA 95112 1-408/436-1025 CIEVE QUALITY PLANS WORLDS GREATEST TRUE SCALE PLANS VARIETY 12IND Best butineos said auOSoIty Known * world ove ton accurate ainonaft p105 pacOical build able models wood tacnic cwnstrucljon hecausa tIrer aucunacy notstUotion yroootypslike Now being oulleotOd nat ,all wallos lte Theyll * tSnill irsylre take hawk boyhood days So authentic owen neplice tuildons nely snonuulwnl ana chridnen irspined Ohew too bowildenieg arrayawe 1000 plwno snook Send $2 br catalog today US Car. Mea ForerUn Ainmail add $1 NO credit cards please S day terurwe 216-SCt 600 Eduurd2Pun-d.urrwnuBnulFrwnd~ * CLEVEIAND MODEL & SUPPLY CO jd~ 15357B Dotewit Awe Clenelond Ohio 44102 w 168 Model Aviation Rubber ft Engine Power Pree Plight Display Control Line Electric Power RIC Airplanes new illustrated 32 page tebloid size cetalog US ft Cenada $100 Poreigh $300 Penn Valley Hobby Center 837-A W Main St Lanodale PA 19446 215- 368-0710
Edition: Model Aviation - 1990/07
Page Numbers: 55, 56, 57, 58, 165, 168
LA Model Hobby Show 24 / least 220 exhibitors years show exciting array new model hobby products unveiled Included some very impressive new kits radios engines RC aeromodeler HEloy Marez Left This Concept 30 Helicopter mounted neat chopper stand developed Lightning Products can used flying field shop attaches tripod can adjusted fit size machine tray below holds tools parts Middle 3-D Helicopter flight simulator Century ImportlExport designed help novice chopper pilot through difficult early flight training stages Right This biplane very effectively displaying Williams Brothers dummy engine spinner wheels pilot adding realistic touch July 1990 55 Above The entrance gate Los Angeles County Fairplex Pomona CA years show sponsored RCHTA Radio Control Hobby Trade Association MRIA Mod el Railroad Industry AssociatIon held flow spectators remained constant throughout shows run Below Inside show wide aisles exhibitor specialty groupings made easy navigate through seeming labyrinth signs exhibit booths RADIO CONTROL weekend action uncommon southern California Ion weekend March 8 no exception time though rather RC arenas area action took place Los Ange les County Fairplex scene Sec ond Annual Los Angeles Model Hobby Show over 200 manufacturers distrib utors importers retailers hand show-and-tell various model wares impressively large crowd Modelers facet hobby came learn about latest industry offerings LA Model Hobby Show jointly sponsored Radio Control Hobby Trade Association RCHTA generally pro nounced rick-ta Model Railroad Industry Association MRIA show produced Professional Exposition Management Company specializes organizing managing special interest trade exhibitions such RCHTA Radio Control enthusiasts have natural interest RCHTA organization brings together manufacturers distributors representatives publishers com mon goal promote growth RC related products enhancing public awareness RC hobby inLeft The Comet Model Company oldest still around displayed extensive line inexpensive stick-and-tissue rubber-powered models Right Nick Nicholas TSK R/C Helicopter Accessories displaying Impressive line high-quality chopper kits accessories ii Left Many adhesives available modeler today proper use important can sometimes confusing Pacer Technology major supplier adhesives attempts clarify confusion Its education programs Pacers Herschel Worthy gave excellent talk subject Right Gary Moline GM Precision Products displays popular Sunbird 120 comes three sizes 37 71 Left The Hirobo SST Eagle world-class machine current world champion Helicopter choice top flier Mike Mas Hirobo prod ucts currently available through Altech Marketing Right Probably largest collection ARF almost-ready-to-fly models gathered un der roof EZ Sports Aviation displayed Its entire lineup popular series available Global Distributors Hobby Shack 56 Model Aviation dustry RCHTA chartered nonprofit cor poration Its 15-member board directors includes names familiar us parent companies often cause personal involvement RCers too present RCHTA organizes three mod el shows annually LA show opens season followed Philadelphia show early May Chicago show November Probably best known Chi cago exposition LA County Fairplex located Pomona CA some 30 minutes center Los Angeles As home annual Los Angeles County Fair com plex has ample facilities event like Nevertheless second building added comfortably house LA show boat pond dirt flat RC car tracks extensive model train layout model display area local modelers displaying handiwork provided New year retail store area customers could order choice products viewed exhib itors area number seminars added interest some exclusively members hobby industry individual mod eler forgotten Separate no-charge no-reservations discussions presented cars trains such confusing subjects best use types adhe sives now available Herschel Worthy Pacer Technology gave excellent talk adhesives subject closest hearts RC air planes adjust maxi mum performance expertly covered Rich Uravitch editor Model Airplane News Rich familiar us active knowledgeable modeler Quite popular also Lets Play free prize drawings show patrons could register win complete RC car boat plane train outfit given away What did see new youre fresh model trade show thats usu ally first question youre asked Ill gin broad observation LA show confirmed trend first noticed ear California exhibitionscompanies formerly catered other sorts hobbyists now moving RC model airplane field found quite interesting view certainty RC car en thusiasts both makers consumers maintain RC hobby originated Associated RC-l0 car Several years ago well-known RC car dustry leader prophesied couple years no will flying RC airplanes everyone will driving RC cars Fat chance said myself Well couple years have come gone proving right RC aircraft industry notably healthy robust its growing point RC car manufacturers branch ing airplanes Probably significant companies Parma International largest largest RC car aftermarket product supplier Parma showing two ARF Electric RC airplanes ac cessories replacement parts Minicraft Models company well known its ex tremely accurate plastic display models now offers several flying model kitsbalsaand-tissue Gliders rubber-powered de signs couple interesting preassem bled balsa-and-tissue Electrics boat manufacturers getting act Victor Model Products well known RC sailboat field showed two Elec tric airplane kits 31-in-span Pietenpol 5 l-in-span semiscale model Spirit St Louis called Lindys Lectric seems manufacturers must seeing swing part custom ers basic line nonflying models airplanes suspect theyre learning what rest us have known along Flying real modeling action July1990 57 Jeanette Ramson United Model Distribu tors showing off companys Salto FA 325 Saito makes four-stroke engines time another serious model hobbyist finds himself looking buying small lathe best market confirmed RCer several exciting Unimat PC Its sOphisti new items being offered Carl Goldberg cated enough use computer control soon release perhaps summer second-generation X-347 transmltter/ computer JR multiprogrammable airplanes Helicopters Sailplanes plus other computer-controlled functions hits show new Ultimate bipe Goldberg Models Its designed new BGX-1 3500 two-stroke engine 60 two-stroke 120 four-stroke power 05 marks companys entry big incorporates Golbergs latest construction engine market displaces 2135 cu techniques making fast easy build turns up 9000 rpm weighs 20 oz Left This cute ARF Electric-powered pusher comes complete spare parts crash warranty other beginner models available Chicago Model International Right Charlie Bauer Top Flite Models companys latest offering electric-powered Phasoar spans 561/4 weighs 24 27 oz Its specifically designed Astro Flight 035 cobalt motor two- three-channel control Left Minicraft models up till now plastic display model supplier has entered RC flying field Vegas 40 Electric Glider Its interesting stick-and-tissue ARF Except radio battery pack kit appears come complete including motor Right Doug Bryant Eagle Products showing interesting example graphics possible companys line colorful trim material Left Primarily designed Slope Soaring 38-in-span A-4 Bruces Aircraft Models can also converted quite easily glow electric power Right US AirCore Inc premiered its CoroStar 40 uses unique corrogated polypropylene construction material new kit called Ultimate Biplane humble-looking very aerobatic bipe first introduced model form 1988 Tournament Champions Goldberg kit incorporates fast-building tech niques company has developed over years also features foolproof system attaching aligning top wing Ul timate Biplane designed 60 twostroke 120 four-stroke power spans 51 980 sq wing area weighs 7/2 81/2 lb 60 two-stroke engine bipes realistic aerobatics game youd better get dealers list Just exciting two multicylinder engines being produced West Coast En gines 17485 Catalpa Hesperia CA 92345 telephone 1-619/947-5504 display five- seven-cylinder ver sions both well-finished highly polished aluminum exteriors Both engines look like four-strokers normal config uration top-mounted valve covers pushrods front interesting part really single-cylinder two-stroke engines dis guise resembling big Rossi 90s OS 80s nothing visible except rearmounted carburetor single operating exhaust channeled crankcase Continued page 165 58 Model Aviation JTBP1 09- 15 1495 JT-BP2 19- 25 1495 JT-BP3 29 056 1495 ii not available hsbby shop ORDER DiRECifor immediate shipment Check MO Visa MC COO accepted Add $250 tsr UPS $300 tsr COD 60/ sales too tsr Calif residents Formula 1 John McDermott 20 Pt 11835 2 Dennis OBrien 19 pt 11981 3 Drew Telford 17 Pt 12334 4 Barry West 16 pt 12757 5 Michael Klutz 14 Pt 11268 6 Paul Benezra 12 Pt 12037 7 Bob Schuster 12 pt 13260 8 Stormin Norm Johnson 11 Pt 11542 9 Gary Walker 10 Pt 12570 10 Racer Rick Lan ders 9 Pt 12350 Best time Brian Richmond 10808 Next month make 90-second clock start/finish line Support organization responsible what have racing today Support NMPRA join information write Ron Schorr 5224 Teesdale North Hollywood CA 91607 See next month LA Show/Marez Continued page 58 other nonoperating cylinders turn exhausting through what would nor mal exhaust ports true four-stroke en gine type sound reported completely different almost too quiet Though theyre being mass pro duced engines available modeler information write call manufacturer Also seen LA show brandnew products aimed novice RC flier new company Chicago Model Interna tional CMI offering innovative ap proach learning difficulties new pi $1695PropeIIer Drill Jigs 08 Self aligns existing prop hole Webre Bully s-Dolmar Zence um II SunCraft 1617 Los Tamases Albuq NM 87102 505-842-9646 I, JT-BP4 60 901495 JT-BP5 MAX 90-106 1795 JT-8P6 ST 2500-3000 2195 5tNO 25t STAMP.muI ADOITIONAt INFO AND JTEC CATALOG 164 School So. Daly City CA 94014 141517563400 lots what termed its crash war ranty CMI displayed two ARF Electric airplanes Cessna look-alike other very appealing shoulder-wing pusher top-pod-mounted motor Both come complete everything needed get air RC system battery charger spare parts Under companys crash warranty during first 60 days after purchase broken parts may returned repair replacement cost shipping handling alone $650 As know beginners would like start flying Ultimate mentioned earlier CMI offers what seems like practical safer ap proach Radios appear advancing quan tum leaps Airtronics introduced its new second-generation computer transmitter will available year rede signed transmitter has fully contoured case falls hands naturally baseball showing little family resem blance its forbears isnt just other pretty face radio features chan nel selection touch button some thing us have asking since now-defunct Kraft Systems frequency synthesizer introduced principle will have multiple programming features available different versions special ized flying applications Hobby Dynamics distributors JR equipment also new computer share known X-347 too has con toured case designand some T shirts size fits transmitter can programmed airplanes Helicopters Sailplanes makes lot sense really active flier X-347 also fea tures programmable trainer system student starts basics takes over more control skills progress Large Scale models less evidence years past OS did unveil new engine such planes quite impressivethe BGX-l 3500 Like probably wonder what nomencla ture stands 3500 simplethe Continued page 168 Mere Fun ESC SPECIFIC vfing Span62Y2 inches Wing Area770 square inches Engine Size 10 cc 90 120 four stroke Designed forAMA FAI Turn-around pattern Foam wing stab 3-32 Balsa sheet covering Tricycle conven tional gear fixed retracts Rear side exhaust fiber glass canopy Very positive majverable XLT SPECIFICAi Wing Span65 inches Length65 inches Wing Area845 square inches Recommended Engine Size 10 cc 90 120 four stroke XLT designed tuned pipe re tract landing gears Capable AMA Turn-around pattern Rear side ex haust SPECIFICATIONS Wing Span Wing Area Engine Size 63Y4 inches 700 square inches 50-60 Glow 90 four stroke Forfun sport pattern orturn-around can done Utter Chaos completely built up Balsa construction Canopy engine mount included years proven flying reliablity BRIDI AIRCRAFT DESIGNS INC 23625 Pineforest Lane Harbor City California 90710 213 549-8264 213 326-5013 SEE YOUR FAVORITE HOBBY SHOP OR RETAIL OUTLET W Dealer InqurM Invited July 1990 165 Snuf-Vibe BACK PLATE MOUNTS Front Intake Engines Aluminum Back Plate Mounts light weight easy Install Just boO engine crank case mounts equipped SNUF-ViBE isolation system double protection engine vibration SIX SIZES FOR ENGINES 15 TO 182 eOoPRECISI0NTNSTFlUMENTS MILLS METALS OOOKS _____COMPLETE COTOLOC $200 10005 oP items AMPIEU reets ce oaoo N S1, Rood Sprogfoo1d OH 45505 5133228562 lam sure know maybe have old well browned motor seemed run just little bit better others same make around have come feel magic ingredient occasional extra eager motors have related effectiveness crankcase seal piston comes down gas crankcase compressed prepara tion bypassing case tight some gas escapes goes part ofyour power does go ask rear cover gasket absolutely tight am sure leaking Well several other places case pressure can go alongside crankshaft intake up between skirt piston inside liner out exhaust port Soyou say Lets make thesefits tight gas cant escape fine except get surfaces too close togetherfricrion goes up power output goes down Make too loose lose case compression large number experiments over years has brought conclusion residual castor oil motor will effectively seal clearance up 0015 003 diameter some todays very thin fuels using low viscosity synthetic lubricants critical clearance would smallen As matter experience have arrived 0015 002 being good crankshaft clearance 002 being goad piston skirt cylinder bore clearance below ports 001 being good case cylinder clearance case racing motors high per formance motors tend make looser Now lot customers like take motor apart clean inspect parts sand off rough surfaces carbon build up What happens clearances get little bit greaten Sometimes may burr piece grit sand will abrade little bit sleeve little bit off piston resulting little bit clearance Also putting motor back coating surfaces castor oil causes little leakage synthetic lubricants often used today high detergent characteristics prevent carbonized oil build up would normally helpfill seal leakage areas advice remove crankshaft cylinder piston unless really necessary motor gets snoot full dirt suggest cleaning removing rear cover plug immersing Stoddard solvent slashing around turning motor oven Now another problem get quite aftw complaints about glow plugs burning out 9 out 10 cases turns out user has built himseff power panel uses resistors rheostat bring starter battery voltage down glow plug voltage fine able tap cell battery use resistors and/or rheostat have 10 amp rating use rheostat resistors having 4 5 amp rating less what happens find adjustment after resistors rheostat have warmed up considerably ready tafly have cooled i4f resistance drops considerabl2 connect plug get rush power overheats plug element recommend never build power ponel pulling full battery voltage down 11 volt plugs want Tap just cell use rheostat and/or resistors have least 10 amps rating JWER Fox Manufacturing Co 5305 Towson Avenue Fort Smith AR 72901 Phone 501 6461656 AFTER YOU DID ALL THE WORK WHY LET YOUR AIRPLANE DO ALL THE FLYING INFO $300 BUILD & FLY THE miniMAX YOURSELF AWARDED Grand Champion and w Computer Designed w 3 Axis Control Reserve Grand Champion Ultralight w Part 103 Ultralight u Easy Construction 1989 Sun-N-Fun Fly-In w Wood ConstructIon TEAM INC BOX 338M BRADYVILLE TN 37026 615 765-5397 LA Show/Marez Continued page 165 2 135-cu-in displacement converts exactly 35 cu cm BGX-1 Well about Big Nine X- uess really doesnt matter What can tell new OS two-stroke engine claimed rpm range 1800 9000 weighs 207 oz without header muffler engine can either beam- radial-mounted latter having same hole pattern SuperTigre 5T3000 BGX-l 3500 marketed Great Planes Check ads nearest dealer availability beginning theres some concern RCHTA shows would fol low course others past deterio rating toy craft shows complete cake decorating dolls heads certainly hasnt happened yet LA show definitely model hobby affair did include things dont fly Though identified such separa tion between different types models show obvious Some aisles devoted strictly trains others over flowed cars accoutrements Joy behold also aisles aisles model airplanes course crossoverstool companies example products serve en tire modeling community companies like Airtronics IR others cater wide spectrum modelers car boat enthusiasts RC fliers Officially 220 exhibitors present years LA show unofficial count little higher About 40% exhib itors including multi-interest firms showed items interest model air plane hobbyist probably about av erage model hobby shows today Both trade retailers consumer days drew good crowdsenough keep body interested involved yet large create impossible lineups including restrooms view point model airplane builder flier show quite enjoyableand 100% successful should mention RCHTA shows include swap shops nor buy ing shows personally enjoy swap shops mainly source out-ofproduction items havent found irresistible fountains bargains buying shows too seldom offer real bargains main advantage being convenience carrying product home spot model airplane hobby choices should can choose type design model like fly like really lucky attend trade shows like information regarding future RCHTA shows have questions and/or com ments about organization vited contact Larry Sperling RCHTA Executive Director PO Box 681116 Schaumburg IL 60168 telephone 1-708/3 10-1222 Little Known Addresses Bruces Aircraft Models 3941 S Bristol Suite 93 Santa Ana CA 92704 1-714/24175 18 Control Room 1334-D N Benson Ave Upland CA 91786 1-714/985-9700 US AirCore 5050 Quorum Dr Suite 600 Dallas TX 75240 1-214/991-1876 TSK/Vortex Precision Products 221 5 Magnolia Suite C Anaheim CA 92804 1714/220-2112 Century Import/Export 759 E Brokaw Rd San Jose CA 95112 1-408/436-1025 CIEVE QUALITY PLANS WORLDS GREATEST TRUE SCALE PLANS VARIETY 12IND Best butineos said auOSoIty Known * world ove ton accurate ainonaft p105 pacOical build able models wood tacnic cwnstrucljon hecausa tIrer aucunacy notstUotion yroootypslike Now being oulleotOd nat ,all wallos lte Theyll * tSnill irsylre take hawk boyhood days So authentic owen neplice tuildons nely snonuulwnl ana chridnen irspined Ohew too bowildenieg arrayawe 1000 plwno snook Send $2 br catalog today US Car. Mea ForerUn Ainmail add $1 NO credit cards please S day terurwe 216-SCt 600 Eduurd2Pun-d.urrwnuBnulFrwnd~ * CLEVEIAND MODEL & SUPPLY CO jd~ 15357B Dotewit Awe Clenelond Ohio 44102 w 168 Model Aviation Rubber ft Engine Power Pree Plight Display Control Line Electric Power RIC Airplanes new illustrated 32 page tebloid size cetalog US ft Cenada $100 Poreigh $300 Penn Valley Hobby Center 837-A W Main St Lanodale PA 19446 215- 368-0710
Edition: Model Aviation - 1990/07
Page Numbers: 55, 56, 57, 58, 165, 168
LA Model Hobby Show 24 / least 220 exhibitors years show exciting array new model hobby products unveiled Included some very impressive new kits radios engines RC aeromodeler HEloy Marez Left This Concept 30 Helicopter mounted neat chopper stand developed Lightning Products can used flying field shop attaches tripod can adjusted fit size machine tray below holds tools parts Middle 3-D Helicopter flight simulator Century ImportlExport designed help novice chopper pilot through difficult early flight training stages Right This biplane very effectively displaying Williams Brothers dummy engine spinner wheels pilot adding realistic touch July 1990 55 Above The entrance gate Los Angeles County Fairplex Pomona CA years show sponsored RCHTA Radio Control Hobby Trade Association MRIA Mod el Railroad Industry AssociatIon held flow spectators remained constant throughout shows run Below Inside show wide aisles exhibitor specialty groupings made easy navigate through seeming labyrinth signs exhibit booths RADIO CONTROL weekend action uncommon southern California Ion weekend March 8 no exception time though rather RC arenas area action took place Los Ange les County Fairplex scene Sec ond Annual Los Angeles Model Hobby Show over 200 manufacturers distrib utors importers retailers hand show-and-tell various model wares impressively large crowd Modelers facet hobby came learn about latest industry offerings LA Model Hobby Show jointly sponsored Radio Control Hobby Trade Association RCHTA generally pro nounced rick-ta Model Railroad Industry Association MRIA show produced Professional Exposition Management Company specializes organizing managing special interest trade exhibitions such RCHTA Radio Control enthusiasts have natural interest RCHTA organization brings together manufacturers distributors representatives publishers com mon goal promote growth RC related products enhancing public awareness RC hobby inLeft The Comet Model Company oldest still around displayed extensive line inexpensive stick-and-tissue rubber-powered models Right Nick Nicholas TSK R/C Helicopter Accessories displaying Impressive line high-quality chopper kits accessories ii Left Many adhesives available modeler today proper use important can sometimes confusing Pacer Technology major supplier adhesives attempts clarify confusion Its education programs Pacers Herschel Worthy gave excellent talk subject Right Gary Moline GM Precision Products displays popular Sunbird 120 comes three sizes 37 71 Left The Hirobo SST Eagle world-class machine current world champion Helicopter choice top flier Mike Mas Hirobo prod ucts currently available through Altech Marketing Right Probably largest collection ARF almost-ready-to-fly models gathered un der roof EZ Sports Aviation displayed Its entire lineup popular series available Global Distributors Hobby Shack 56 Model Aviation dustry RCHTA chartered nonprofit cor poration Its 15-member board directors includes names familiar us parent companies often cause personal involvement RCers too present RCHTA organizes three mod el shows annually LA show opens season followed Philadelphia show early May Chicago show November Probably best known Chi cago exposition LA County Fairplex located Pomona CA some 30 minutes center Los Angeles As home annual Los Angeles County Fair com plex has ample facilities event like Nevertheless second building added comfortably house LA show boat pond dirt flat RC car tracks extensive model train layout model display area local modelers displaying handiwork provided New year retail store area customers could order choice products viewed exhib itors area number seminars added interest some exclusively members hobby industry individual mod eler forgotten Separate no-charge no-reservations discussions presented cars trains such confusing subjects best use types adhe sives now available Herschel Worthy Pacer Technology gave excellent talk adhesives subject closest hearts RC air planes adjust maxi mum performance expertly covered Rich Uravitch editor Model Airplane News Rich familiar us active knowledgeable modeler Quite popular also Lets Play free prize drawings show patrons could register win complete RC car boat plane train outfit given away What did see new youre fresh model trade show thats usu ally first question youre asked Ill gin broad observation LA show confirmed trend first noticed ear California exhibitionscompanies formerly catered other sorts hobbyists now moving RC model airplane field found quite interesting view certainty RC car en thusiasts both makers consumers maintain RC hobby originated Associated RC-l0 car Several years ago well-known RC car dustry leader prophesied couple years no will flying RC airplanes everyone will driving RC cars Fat chance said myself Well couple years have come gone proving right RC aircraft industry notably healthy robust its growing point RC car manufacturers branch ing airplanes Probably significant companies Parma International largest largest RC car aftermarket product supplier Parma showing two ARF Electric RC airplanes ac cessories replacement parts Minicraft Models company well known its ex tremely accurate plastic display models now offers several flying model kitsbalsaand-tissue Gliders rubber-powered de signs couple interesting preassem bled balsa-and-tissue Electrics boat manufacturers getting act Victor Model Products well known RC sailboat field showed two Elec tric airplane kits 31-in-span Pietenpol 5 l-in-span semiscale model Spirit St Louis called Lindys Lectric seems manufacturers must seeing swing part custom ers basic line nonflying models airplanes suspect theyre learning what rest us have known along Flying real modeling action July1990 57 Jeanette Ramson United Model Distribu tors showing off companys Salto FA 325 Saito makes four-stroke engines time another serious model hobbyist finds himself looking buying small lathe best market confirmed RCer several exciting Unimat PC Its sOphisti new items being offered Carl Goldberg cated enough use computer control soon release perhaps summer second-generation X-347 transmltter/ computer JR multiprogrammable airplanes Helicopters Sailplanes plus other computer-controlled functions hits show new Ultimate bipe Goldberg Models Its designed new BGX-1 3500 two-stroke engine 60 two-stroke 120 four-stroke power 05 marks companys entry big incorporates Golbergs latest construction engine market displaces 2135 cu techniques making fast easy build turns up 9000 rpm weighs 20 oz Left This cute ARF Electric-powered pusher comes complete spare parts crash warranty other beginner models available Chicago Model International Right Charlie Bauer Top Flite Models companys latest offering electric-powered Phasoar spans 561/4 weighs 24 27 oz Its specifically designed Astro Flight 035 cobalt motor two- three-channel control Left Minicraft models up till now plastic display model supplier has entered RC flying field Vegas 40 Electric Glider Its interesting stick-and-tissue ARF Except radio battery pack kit appears come complete including motor Right Doug Bryant Eagle Products showing interesting example graphics possible companys line colorful trim material Left Primarily designed Slope Soaring 38-in-span A-4 Bruces Aircraft Models can also converted quite easily glow electric power Right US AirCore Inc premiered its CoroStar 40 uses unique corrogated polypropylene construction material new kit called Ultimate Biplane humble-looking very aerobatic bipe first introduced model form 1988 Tournament Champions Goldberg kit incorporates fast-building tech niques company has developed over years also features foolproof system attaching aligning top wing Ul timate Biplane designed 60 twostroke 120 four-stroke power spans 51 980 sq wing area weighs 7/2 81/2 lb 60 two-stroke engine bipes realistic aerobatics game youd better get dealers list Just exciting two multicylinder engines being produced West Coast En gines 17485 Catalpa Hesperia CA 92345 telephone 1-619/947-5504 display five- seven-cylinder ver sions both well-finished highly polished aluminum exteriors Both engines look like four-strokers normal config uration top-mounted valve covers pushrods front interesting part really single-cylinder two-stroke engines dis guise resembling big Rossi 90s OS 80s nothing visible except rearmounted carburetor single operating exhaust channeled crankcase Continued page 165 58 Model Aviation JTBP1 09- 15 1495 JT-BP2 19- 25 1495 JT-BP3 29 056 1495 ii not available hsbby shop ORDER DiRECifor immediate shipment Check MO Visa MC COO accepted Add $250 tsr UPS $300 tsr COD 60/ sales too tsr Calif residents Formula 1 John McDermott 20 Pt 11835 2 Dennis OBrien 19 pt 11981 3 Drew Telford 17 Pt 12334 4 Barry West 16 pt 12757 5 Michael Klutz 14 Pt 11268 6 Paul Benezra 12 Pt 12037 7 Bob Schuster 12 pt 13260 8 Stormin Norm Johnson 11 Pt 11542 9 Gary Walker 10 Pt 12570 10 Racer Rick Lan ders 9 Pt 12350 Best time Brian Richmond 10808 Next month make 90-second clock start/finish line Support organization responsible what have racing today Support NMPRA join information write Ron Schorr 5224 Teesdale North Hollywood CA 91607 See next month LA Show/Marez Continued page 58 other nonoperating cylinders turn exhausting through what would nor mal exhaust ports true four-stroke en gine type sound reported completely different almost too quiet Though theyre being mass pro duced engines available modeler information write call manufacturer Also seen LA show brandnew products aimed novice RC flier new company Chicago Model Interna tional CMI offering innovative ap proach learning difficulties new pi $1695PropeIIer Drill Jigs 08 Self aligns existing prop hole Webre Bully s-Dolmar Zence um II SunCraft 1617 Los Tamases Albuq NM 87102 505-842-9646 I, JT-BP4 60 901495 JT-BP5 MAX 90-106 1795 JT-8P6 ST 2500-3000 2195 5tNO 25t STAMP.muI ADOITIONAt INFO AND JTEC CATALOG 164 School So. Daly City CA 94014 141517563400 lots what termed its crash war ranty CMI displayed two ARF Electric airplanes Cessna look-alike other very appealing shoulder-wing pusher top-pod-mounted motor Both come complete everything needed get air RC system battery charger spare parts Under companys crash warranty during first 60 days after purchase broken parts may returned repair replacement cost shipping handling alone $650 As know beginners would like start flying Ultimate mentioned earlier CMI offers what seems like practical safer ap proach Radios appear advancing quan tum leaps Airtronics introduced its new second-generation computer transmitter will available year rede signed transmitter has fully contoured case falls hands naturally baseball showing little family resem blance its forbears isnt just other pretty face radio features chan nel selection touch button some thing us have asking since now-defunct Kraft Systems frequency synthesizer introduced principle will have multiple programming features available different versions special ized flying applications Hobby Dynamics distributors JR equipment also new computer share known X-347 too has con toured case designand some T shirts size fits transmitter can programmed airplanes Helicopters Sailplanes makes lot sense really active flier X-347 also fea tures programmable trainer system student starts basics takes over more control skills progress Large Scale models less evidence years past OS did unveil new engine such planes quite impressivethe BGX-l 3500 Like probably wonder what nomencla ture stands 3500 simplethe Continued page 168 Mere Fun ESC SPECIFIC vfing Span62Y2 inches Wing Area770 square inches Engine Size 10 cc 90 120 four stroke Designed forAMA FAI Turn-around pattern Foam wing stab 3-32 Balsa sheet covering Tricycle conven tional gear fixed retracts Rear side exhaust fiber glass canopy Very positive majverable XLT SPECIFICAi Wing Span65 inches Length65 inches Wing Area845 square inches Recommended Engine Size 10 cc 90 120 four stroke XLT designed tuned pipe re tract landing gears Capable AMA Turn-around pattern Rear side ex haust SPECIFICATIONS Wing Span Wing Area Engine Size 63Y4 inches 700 square inches 50-60 Glow 90 four stroke Forfun sport pattern orturn-around can done Utter Chaos completely built up Balsa construction Canopy engine mount included years proven flying reliablity BRIDI AIRCRAFT DESIGNS INC 23625 Pineforest Lane Harbor City California 90710 213 549-8264 213 326-5013 SEE YOUR FAVORITE HOBBY SHOP OR RETAIL OUTLET W Dealer InqurM Invited July 1990 165 Snuf-Vibe BACK PLATE MOUNTS Front Intake Engines Aluminum Back Plate Mounts light weight easy Install Just boO engine crank case mounts equipped SNUF-ViBE isolation system double protection engine vibration SIX SIZES FOR ENGINES 15 TO 182 eOoPRECISI0NTNSTFlUMENTS MILLS METALS OOOKS _____COMPLETE COTOLOC $200 10005 oP items AMPIEU reets ce oaoo N S1, Rood Sprogfoo1d OH 45505 5133228562 lam sure know maybe have old well browned motor seemed run just little bit better others same make around have come feel magic ingredient occasional extra eager motors have related effectiveness crankcase seal piston comes down gas crankcase compressed prepara tion bypassing case tight some gas escapes goes part ofyour power does go ask rear cover gasket absolutely tight am sure leaking Well several other places case pressure can go alongside crankshaft intake up between skirt piston inside liner out exhaust port Soyou say Lets make thesefits tight gas cant escape fine except get surfaces too close togetherfricrion goes up power output goes down Make too loose lose case compression large number experiments over years has brought conclusion residual castor oil motor will effectively seal clearance up 0015 003 diameter some todays very thin fuels using low viscosity synthetic lubricants critical clearance would smallen As matter experience have arrived 0015 002 being good crankshaft clearance 002 being goad piston skirt cylinder bore clearance below ports 001 being good case cylinder clearance case racing motors high per formance motors tend make looser Now lot customers like take motor apart clean inspect parts sand off rough surfaces carbon build up What happens clearances get little bit greaten Sometimes may burr piece grit sand will abrade little bit sleeve little bit off piston resulting little bit clearance Also putting motor back coating surfaces castor oil causes little leakage synthetic lubricants often used today high detergent characteristics prevent carbonized oil build up would normally helpfill seal leakage areas advice remove crankshaft cylinder piston unless really necessary motor gets snoot full dirt suggest cleaning removing rear cover plug immersing Stoddard solvent slashing around turning motor oven Now another problem get quite aftw complaints about glow plugs burning out 9 out 10 cases turns out user has built himseff power panel uses resistors rheostat bring starter battery voltage down glow plug voltage fine able tap cell battery use resistors and/or rheostat have 10 amp rating use rheostat resistors having 4 5 amp rating less what happens find adjustment after resistors rheostat have warmed up considerably ready tafly have cooled i4f resistance drops considerabl2 connect plug get rush power overheats plug element recommend never build power ponel pulling full battery voltage down 11 volt plugs want Tap just cell use rheostat and/or resistors have least 10 amps rating JWER Fox Manufacturing Co 5305 Towson Avenue Fort Smith AR 72901 Phone 501 6461656 AFTER YOU DID ALL THE WORK WHY LET YOUR AIRPLANE DO ALL THE FLYING INFO $300 BUILD & FLY THE miniMAX YOURSELF AWARDED Grand Champion and w Computer Designed w 3 Axis Control Reserve Grand Champion Ultralight w Part 103 Ultralight u Easy Construction 1989 Sun-N-Fun Fly-In w Wood ConstructIon TEAM INC BOX 338M BRADYVILLE TN 37026 615 765-5397 LA Show/Marez Continued page 165 2 135-cu-in displacement converts exactly 35 cu cm BGX-1 Well about Big Nine X- uess really doesnt matter What can tell new OS two-stroke engine claimed rpm range 1800 9000 weighs 207 oz without header muffler engine can either beam- radial-mounted latter having same hole pattern SuperTigre 5T3000 BGX-l 3500 marketed Great Planes Check ads nearest dealer availability beginning theres some concern RCHTA shows would fol low course others past deterio rating toy craft shows complete cake decorating dolls heads certainly hasnt happened yet LA show definitely model hobby affair did include things dont fly Though identified such separa tion between different types models show obvious Some aisles devoted strictly trains others over flowed cars accoutrements Joy behold also aisles aisles model airplanes course crossoverstool companies example products serve en tire modeling community companies like Airtronics IR others cater wide spectrum modelers car boat enthusiasts RC fliers Officially 220 exhibitors present years LA show unofficial count little higher About 40% exhib itors including multi-interest firms showed items interest model air plane hobbyist probably about av erage model hobby shows today Both trade retailers consumer days drew good crowdsenough keep body interested involved yet large create impossible lineups including restrooms view point model airplane builder flier show quite enjoyableand 100% successful should mention RCHTA shows include swap shops nor buy ing shows personally enjoy swap shops mainly source out-ofproduction items havent found irresistible fountains bargains buying shows too seldom offer real bargains main advantage being convenience carrying product home spot model airplane hobby choices should can choose type design model like fly like really lucky attend trade shows like information regarding future RCHTA shows have questions and/or com ments about organization vited contact Larry Sperling RCHTA Executive Director PO Box 681116 Schaumburg IL 60168 telephone 1-708/3 10-1222 Little Known Addresses Bruces Aircraft Models 3941 S Bristol Suite 93 Santa Ana CA 92704 1-714/24175 18 Control Room 1334-D N Benson Ave Upland CA 91786 1-714/985-9700 US AirCore 5050 Quorum Dr Suite 600 Dallas TX 75240 1-214/991-1876 TSK/Vortex Precision Products 221 5 Magnolia Suite C Anaheim CA 92804 1714/220-2112 Century Import/Export 759 E Brokaw Rd San Jose CA 95112 1-408/436-1025 CIEVE QUALITY PLANS WORLDS GREATEST TRUE SCALE PLANS VARIETY 12IND Best butineos said auOSoIty Known * world ove ton accurate ainonaft p105 pacOical build able models wood tacnic cwnstrucljon hecausa tIrer aucunacy notstUotion yroootypslike Now being oulleotOd nat ,all wallos lte Theyll * tSnill irsylre take hawk boyhood days So authentic owen neplice tuildons nely snonuulwnl ana chridnen irspined Ohew too bowildenieg arrayawe 1000 plwno snook Send $2 br catalog today US Car. Mea ForerUn Ainmail add $1 NO credit cards please S day terurwe 216-SCt 600 Eduurd2Pun-d.urrwnuBnulFrwnd~ * CLEVEIAND MODEL & SUPPLY CO jd~ 15357B Dotewit Awe Clenelond Ohio 44102 w 168 Model Aviation Rubber ft Engine Power Pree Plight Display Control Line Electric Power RIC Airplanes new illustrated 32 page tebloid size cetalog US ft Cenada $100 Poreigh $300 Penn Valley Hobby Center 837-A W Main St Lanodale PA 19446 215- 368-0710
Edition: Model Aviation - 1990/07
Page Numbers: 55, 56, 57, 58, 165, 168
LA Model Hobby Show 24 / least 220 exhibitors years show exciting array new model hobby products unveiled Included some very impressive new kits radios engines RC aeromodeler HEloy Marez Left This Concept 30 Helicopter mounted neat chopper stand developed Lightning Products can used flying field shop attaches tripod can adjusted fit size machine tray below holds tools parts Middle 3-D Helicopter flight simulator Century ImportlExport designed help novice chopper pilot through difficult early flight training stages Right This biplane very effectively displaying Williams Brothers dummy engine spinner wheels pilot adding realistic touch July 1990 55 Above The entrance gate Los Angeles County Fairplex Pomona CA years show sponsored RCHTA Radio Control Hobby Trade Association MRIA Mod el Railroad Industry AssociatIon held flow spectators remained constant throughout shows run Below Inside show wide aisles exhibitor specialty groupings made easy navigate through seeming labyrinth signs exhibit booths RADIO CONTROL weekend action uncommon southern California Ion weekend March 8 no exception time though rather RC arenas area action took place Los Ange les County Fairplex scene Sec ond Annual Los Angeles Model Hobby Show over 200 manufacturers distrib utors importers retailers hand show-and-tell various model wares impressively large crowd Modelers facet hobby came learn about latest industry offerings LA Model Hobby Show jointly sponsored Radio Control Hobby Trade Association RCHTA generally pro nounced rick-ta Model Railroad Industry Association MRIA show produced Professional Exposition Management Company specializes organizing managing special interest trade exhibitions such RCHTA Radio Control enthusiasts have natural interest RCHTA organization brings together manufacturers distributors representatives publishers com mon goal promote growth RC related products enhancing public awareness RC hobby inLeft The Comet Model Company oldest still around displayed extensive line inexpensive stick-and-tissue rubber-powered models Right Nick Nicholas TSK R/C Helicopter Accessories displaying Impressive line high-quality chopper kits accessories ii Left Many adhesives available modeler today proper use important can sometimes confusing Pacer Technology major supplier adhesives attempts clarify confusion Its education programs Pacers Herschel Worthy gave excellent talk subject Right Gary Moline GM Precision Products displays popular Sunbird 120 comes three sizes 37 71 Left The Hirobo SST Eagle world-class machine current world champion Helicopter choice top flier Mike Mas Hirobo prod ucts currently available through Altech Marketing Right Probably largest collection ARF almost-ready-to-fly models gathered un der roof EZ Sports Aviation displayed Its entire lineup popular series available Global Distributors Hobby Shack 56 Model Aviation dustry RCHTA chartered nonprofit cor poration Its 15-member board directors includes names familiar us parent companies often cause personal involvement RCers too present RCHTA organizes three mod el shows annually LA show opens season followed Philadelphia show early May Chicago show November Probably best known Chi cago exposition LA County Fairplex located Pomona CA some 30 minutes center Los Angeles As home annual Los Angeles County Fair com plex has ample facilities event like Nevertheless second building added comfortably house LA show boat pond dirt flat RC car tracks extensive model train layout model display area local modelers displaying handiwork provided New year retail store area customers could order choice products viewed exhib itors area number seminars added interest some exclusively members hobby industry individual mod eler forgotten Separate no-charge no-reservations discussions presented cars trains such confusing subjects best use types adhe sives now available Herschel Worthy Pacer Technology gave excellent talk adhesives subject closest hearts RC air planes adjust maxi mum performance expertly covered Rich Uravitch editor Model Airplane News Rich familiar us active knowledgeable modeler Quite popular also Lets Play free prize drawings show patrons could register win complete RC car boat plane train outfit given away What did see new youre fresh model trade show thats usu ally first question youre asked Ill gin broad observation LA show confirmed trend first noticed ear California exhibitionscompanies formerly catered other sorts hobbyists now moving RC model airplane field found quite interesting view certainty RC car en thusiasts both makers consumers maintain RC hobby originated Associated RC-l0 car Several years ago well-known RC car dustry leader prophesied couple years no will flying RC airplanes everyone will driving RC cars Fat chance said myself Well couple years have come gone proving right RC aircraft industry notably healthy robust its growing point RC car manufacturers branch ing airplanes Probably significant companies Parma International largest largest RC car aftermarket product supplier Parma showing two ARF Electric RC airplanes ac cessories replacement parts Minicraft Models company well known its ex tremely accurate plastic display models now offers several flying model kitsbalsaand-tissue Gliders rubber-powered de signs couple interesting preassem bled balsa-and-tissue Electrics boat manufacturers getting act Victor Model Products well known RC sailboat field showed two Elec tric airplane kits 31-in-span Pietenpol 5 l-in-span semiscale model Spirit St Louis called Lindys Lectric seems manufacturers must seeing swing part custom ers basic line nonflying models airplanes suspect theyre learning what rest us have known along Flying real modeling action July1990 57 Jeanette Ramson United Model Distribu tors showing off companys Salto FA 325 Saito makes four-stroke engines time another serious model hobbyist finds himself looking buying small lathe best market confirmed RCer several exciting Unimat PC Its sOphisti new items being offered Carl Goldberg cated enough use computer control soon release perhaps summer second-generation X-347 transmltter/ computer JR multiprogrammable airplanes Helicopters Sailplanes plus other computer-controlled functions hits show new Ultimate bipe Goldberg Models Its designed new BGX-1 3500 two-stroke engine 60 two-stroke 120 four-stroke power 05 marks companys entry big incorporates Golbergs latest construction engine market displaces 2135 cu techniques making fast easy build turns up 9000 rpm weighs 20 oz Left This cute ARF Electric-powered pusher comes complete spare parts crash warranty other beginner models available Chicago Model International Right Charlie Bauer Top Flite Models companys latest offering electric-powered Phasoar spans 561/4 weighs 24 27 oz Its specifically designed Astro Flight 035 cobalt motor two- three-channel control Left Minicraft models up till now plastic display model supplier has entered RC flying field Vegas 40 Electric Glider Its interesting stick-and-tissue ARF Except radio battery pack kit appears come complete including motor Right Doug Bryant Eagle Products showing interesting example graphics possible companys line colorful trim material Left Primarily designed Slope Soaring 38-in-span A-4 Bruces Aircraft Models can also converted quite easily glow electric power Right US AirCore Inc premiered its CoroStar 40 uses unique corrogated polypropylene construction material new kit called Ultimate Biplane humble-looking very aerobatic bipe first introduced model form 1988 Tournament Champions Goldberg kit incorporates fast-building tech niques company has developed over years also features foolproof system attaching aligning top wing Ul timate Biplane designed 60 twostroke 120 four-stroke power spans 51 980 sq wing area weighs 7/2 81/2 lb 60 two-stroke engine bipes realistic aerobatics game youd better get dealers list Just exciting two multicylinder engines being produced West Coast En gines 17485 Catalpa Hesperia CA 92345 telephone 1-619/947-5504 display five- seven-cylinder ver sions both well-finished highly polished aluminum exteriors Both engines look like four-strokers normal config uration top-mounted valve covers pushrods front interesting part really single-cylinder two-stroke engines dis guise resembling big Rossi 90s OS 80s nothing visible except rearmounted carburetor single operating exhaust channeled crankcase Continued page 165 58 Model Aviation JTBP1 09- 15 1495 JT-BP2 19- 25 1495 JT-BP3 29 056 1495 ii not available hsbby shop ORDER DiRECifor immediate shipment Check MO Visa MC COO accepted Add $250 tsr UPS $300 tsr COD 60/ sales too tsr Calif residents Formula 1 John McDermott 20 Pt 11835 2 Dennis OBrien 19 pt 11981 3 Drew Telford 17 Pt 12334 4 Barry West 16 pt 12757 5 Michael Klutz 14 Pt 11268 6 Paul Benezra 12 Pt 12037 7 Bob Schuster 12 pt 13260 8 Stormin Norm Johnson 11 Pt 11542 9 Gary Walker 10 Pt 12570 10 Racer Rick Lan ders 9 Pt 12350 Best time Brian Richmond 10808 Next month make 90-second clock start/finish line Support organization responsible what have racing today Support NMPRA join information write Ron Schorr 5224 Teesdale North Hollywood CA 91607 See next month LA Show/Marez Continued page 58 other nonoperating cylinders turn exhausting through what would nor mal exhaust ports true four-stroke en gine type sound reported completely different almost too quiet Though theyre being mass pro duced engines available modeler information write call manufacturer Also seen LA show brandnew products aimed novice RC flier new company Chicago Model Interna tional CMI offering innovative ap proach learning difficulties new pi $1695PropeIIer Drill Jigs 08 Self aligns existing prop hole Webre Bully s-Dolmar Zence um II SunCraft 1617 Los Tamases Albuq NM 87102 505-842-9646 I, JT-BP4 60 901495 JT-BP5 MAX 90-106 1795 JT-8P6 ST 2500-3000 2195 5tNO 25t STAMP.muI ADOITIONAt INFO AND JTEC CATALOG 164 School So. Daly City CA 94014 141517563400 lots what termed its crash war ranty CMI displayed two ARF Electric airplanes Cessna look-alike other very appealing shoulder-wing pusher top-pod-mounted motor Both come complete everything needed get air RC system battery charger spare parts Under companys crash warranty during first 60 days after purchase broken parts may returned repair replacement cost shipping handling alone $650 As know beginners would like start flying Ultimate mentioned earlier CMI offers what seems like practical safer ap proach Radios appear advancing quan tum leaps Airtronics introduced its new second-generation computer transmitter will available year rede signed transmitter has fully contoured case falls hands naturally baseball showing little family resem blance its forbears isnt just other pretty face radio features chan nel selection touch button some thing us have asking since now-defunct Kraft Systems frequency synthesizer introduced principle will have multiple programming features available different versions special ized flying applications Hobby Dynamics distributors JR equipment also new computer share known X-347 too has con toured case designand some T shirts size fits transmitter can programmed airplanes Helicopters Sailplanes makes lot sense really active flier X-347 also fea tures programmable trainer system student starts basics takes over more control skills progress Large Scale models less evidence years past OS did unveil new engine such planes quite impressivethe BGX-l 3500 Like probably wonder what nomencla ture stands 3500 simplethe Continued page 168 Mere Fun ESC SPECIFIC vfing Span62Y2 inches Wing Area770 square inches Engine Size 10 cc 90 120 four stroke Designed forAMA FAI Turn-around pattern Foam wing stab 3-32 Balsa sheet covering Tricycle conven tional gear fixed retracts Rear side exhaust fiber glass canopy Very positive majverable XLT SPECIFICAi Wing Span65 inches Length65 inches Wing Area845 square inches Recommended Engine Size 10 cc 90 120 four stroke XLT designed tuned pipe re tract landing gears Capable AMA Turn-around pattern Rear side ex haust SPECIFICATIONS Wing Span Wing Area Engine Size 63Y4 inches 700 square inches 50-60 Glow 90 four stroke Forfun sport pattern orturn-around can done Utter Chaos completely built up Balsa construction Canopy engine mount included years proven flying reliablity BRIDI AIRCRAFT DESIGNS INC 23625 Pineforest Lane Harbor City California 90710 213 549-8264 213 326-5013 SEE YOUR FAVORITE HOBBY SHOP OR RETAIL OUTLET W Dealer InqurM Invited July 1990 165 Snuf-Vibe BACK PLATE MOUNTS Front Intake Engines Aluminum Back Plate Mounts light weight easy Install Just boO engine crank case mounts equipped SNUF-ViBE isolation system double protection engine vibration SIX SIZES FOR ENGINES 15 TO 182 eOoPRECISI0NTNSTFlUMENTS MILLS METALS OOOKS _____COMPLETE COTOLOC $200 10005 oP items AMPIEU reets ce oaoo N S1, Rood Sprogfoo1d OH 45505 5133228562 lam sure know maybe have old well browned motor seemed run just little bit better others same make around have come feel magic ingredient occasional extra eager motors have related effectiveness crankcase seal piston comes down gas crankcase compressed prepara tion bypassing case tight some gas escapes goes part ofyour power does go ask rear cover gasket absolutely tight am sure leaking Well several other places case pressure can go alongside crankshaft intake up between skirt piston inside liner out exhaust port Soyou say Lets make thesefits tight gas cant escape fine except get surfaces too close togetherfricrion goes up power output goes down Make too loose lose case compression large number experiments over years has brought conclusion residual castor oil motor will effectively seal clearance up 0015 003 diameter some todays very thin fuels using low viscosity synthetic lubricants critical clearance would smallen As matter experience have arrived 0015 002 being good crankshaft clearance 002 being goad piston skirt cylinder bore clearance below ports 001 being good case cylinder clearance case racing motors high per formance motors tend make looser Now lot customers like take motor apart clean inspect parts sand off rough surfaces carbon build up What happens clearances get little bit greaten Sometimes may burr piece grit sand will abrade little bit sleeve little bit off piston resulting little bit clearance Also putting motor back coating surfaces castor oil causes little leakage synthetic lubricants often used today high detergent characteristics prevent carbonized oil build up would normally helpfill seal leakage areas advice remove crankshaft cylinder piston unless really necessary motor gets snoot full dirt suggest cleaning removing rear cover plug immersing Stoddard solvent slashing around turning motor oven Now another problem get quite aftw complaints about glow plugs burning out 9 out 10 cases turns out user has built himseff power panel uses resistors rheostat bring starter battery voltage down glow plug voltage fine able tap cell battery use resistors and/or rheostat have 10 amp rating use rheostat resistors having 4 5 amp rating less what happens find adjustment after resistors rheostat have warmed up considerably ready tafly have cooled i4f resistance drops considerabl2 connect plug get rush power overheats plug element recommend never build power ponel pulling full battery voltage down 11 volt plugs want Tap just cell use rheostat and/or resistors have least 10 amps rating JWER Fox Manufacturing Co 5305 Towson Avenue Fort Smith AR 72901 Phone 501 6461656 AFTER YOU DID ALL THE WORK WHY LET YOUR AIRPLANE DO ALL THE FLYING INFO $300 BUILD & FLY THE miniMAX YOURSELF AWARDED Grand Champion and w Computer Designed w 3 Axis Control Reserve Grand Champion Ultralight w Part 103 Ultralight u Easy Construction 1989 Sun-N-Fun Fly-In w Wood ConstructIon TEAM INC BOX 338M BRADYVILLE TN 37026 615 765-5397 LA Show/Marez Continued page 165 2 135-cu-in displacement converts exactly 35 cu cm BGX-1 Well about Big Nine X- uess really doesnt matter What can tell new OS two-stroke engine claimed rpm range 1800 9000 weighs 207 oz without header muffler engine can either beam- radial-mounted latter having same hole pattern SuperTigre 5T3000 BGX-l 3500 marketed Great Planes Check ads nearest dealer availability beginning theres some concern RCHTA shows would fol low course others past deterio rating toy craft shows complete cake decorating dolls heads certainly hasnt happened yet LA show definitely model hobby affair did include things dont fly Though identified such separa tion between different types models show obvious Some aisles devoted strictly trains others over flowed cars accoutrements Joy behold also aisles aisles model airplanes course crossoverstool companies example products serve en tire modeling community companies like Airtronics IR others cater wide spectrum modelers car boat enthusiasts RC fliers Officially 220 exhibitors present years LA show unofficial count little higher About 40% exhib itors including multi-interest firms showed items interest model air plane hobbyist probably about av erage model hobby shows today Both trade retailers consumer days drew good crowdsenough keep body interested involved yet large create impossible lineups including restrooms view point model airplane builder flier show quite enjoyableand 100% successful should mention RCHTA shows include swap shops nor buy ing shows personally enjoy swap shops mainly source out-ofproduction items havent found irresistible fountains bargains buying shows too seldom offer real bargains main advantage being convenience carrying product home spot model airplane hobby choices should can choose type design model like fly like really lucky attend trade shows like information regarding future RCHTA shows have questions and/or com ments about organization vited contact Larry Sperling RCHTA Executive Director PO Box 681116 Schaumburg IL 60168 telephone 1-708/3 10-1222 Little Known Addresses Bruces Aircraft Models 3941 S Bristol Suite 93 Santa Ana CA 92704 1-714/24175 18 Control Room 1334-D N Benson Ave Upland CA 91786 1-714/985-9700 US AirCore 5050 Quorum Dr Suite 600 Dallas TX 75240 1-214/991-1876 TSK/Vortex Precision Products 221 5 Magnolia Suite C Anaheim CA 92804 1714/220-2112 Century Import/Export 759 E Brokaw Rd San Jose CA 95112 1-408/436-1025 CIEVE QUALITY PLANS WORLDS GREATEST TRUE SCALE PLANS VARIETY 12IND Best butineos said auOSoIty Known * world ove ton accurate ainonaft p105 pacOical build able models wood tacnic cwnstrucljon hecausa tIrer aucunacy notstUotion yroootypslike Now being oulleotOd nat ,all wallos lte Theyll * tSnill irsylre take hawk boyhood days So authentic owen neplice tuildons nely snonuulwnl ana chridnen irspined Ohew too bowildenieg arrayawe 1000 plwno snook Send $2 br catalog today US Car. Mea ForerUn Ainmail add $1 NO credit cards please S day terurwe 216-SCt 600 Eduurd2Pun-d.urrwnuBnulFrwnd~ * CLEVEIAND MODEL & SUPPLY CO jd~ 15357B Dotewit Awe Clenelond Ohio 44102 w 168 Model Aviation Rubber ft Engine Power Pree Plight Display Control Line Electric Power RIC Airplanes new illustrated 32 page tebloid size cetalog US ft Cenada $100 Poreigh $300 Penn Valley Hobby Center 837-A W Main St Lanodale PA 19446 215- 368-0710
Edition: Model Aviation - 1990/07
Page Numbers: 55, 56, 57, 58, 165, 168
LA Model Hobby Show 24 / least 220 exhibitors years show exciting array new model hobby products unveiled Included some very impressive new kits radios engines RC aeromodeler HEloy Marez Left This Concept 30 Helicopter mounted neat chopper stand developed Lightning Products can used flying field shop attaches tripod can adjusted fit size machine tray below holds tools parts Middle 3-D Helicopter flight simulator Century ImportlExport designed help novice chopper pilot through difficult early flight training stages Right This biplane very effectively displaying Williams Brothers dummy engine spinner wheels pilot adding realistic touch July 1990 55 Above The entrance gate Los Angeles County Fairplex Pomona CA years show sponsored RCHTA Radio Control Hobby Trade Association MRIA Mod el Railroad Industry AssociatIon held flow spectators remained constant throughout shows run Below Inside show wide aisles exhibitor specialty groupings made easy navigate through seeming labyrinth signs exhibit booths RADIO CONTROL weekend action uncommon southern California Ion weekend March 8 no exception time though rather RC arenas area action took place Los Ange les County Fairplex scene Sec ond Annual Los Angeles Model Hobby Show over 200 manufacturers distrib utors importers retailers hand show-and-tell various model wares impressively large crowd Modelers facet hobby came learn about latest industry offerings LA Model Hobby Show jointly sponsored Radio Control Hobby Trade Association RCHTA generally pro nounced rick-ta Model Railroad Industry Association MRIA show produced Professional Exposition Management Company specializes organizing managing special interest trade exhibitions such RCHTA Radio Control enthusiasts have natural interest RCHTA organization brings together manufacturers distributors representatives publishers com mon goal promote growth RC related products enhancing public awareness RC hobby inLeft The Comet Model Company oldest still around displayed extensive line inexpensive stick-and-tissue rubber-powered models Right Nick Nicholas TSK R/C Helicopter Accessories displaying Impressive line high-quality chopper kits accessories ii Left Many adhesives available modeler today proper use important can sometimes confusing Pacer Technology major supplier adhesives attempts clarify confusion Its education programs Pacers Herschel Worthy gave excellent talk subject Right Gary Moline GM Precision Products displays popular Sunbird 120 comes three sizes 37 71 Left The Hirobo SST Eagle world-class machine current world champion Helicopter choice top flier Mike Mas Hirobo prod ucts currently available through Altech Marketing Right Probably largest collection ARF almost-ready-to-fly models gathered un der roof EZ Sports Aviation displayed Its entire lineup popular series available Global Distributors Hobby Shack 56 Model Aviation dustry RCHTA chartered nonprofit cor poration Its 15-member board directors includes names familiar us parent companies often cause personal involvement RCers too present RCHTA organizes three mod el shows annually LA show opens season followed Philadelphia show early May Chicago show November Probably best known Chi cago exposition LA County Fairplex located Pomona CA some 30 minutes center Los Angeles As home annual Los Angeles County Fair com plex has ample facilities event like Nevertheless second building added comfortably house LA show boat pond dirt flat RC car tracks extensive model train layout model display area local modelers displaying handiwork provided New year retail store area customers could order choice products viewed exhib itors area number seminars added interest some exclusively members hobby industry individual mod eler forgotten Separate no-charge no-reservations discussions presented cars trains such confusing subjects best use types adhe sives now available Herschel Worthy Pacer Technology gave excellent talk adhesives subject closest hearts RC air planes adjust maxi mum performance expertly covered Rich Uravitch editor Model Airplane News Rich familiar us active knowledgeable modeler Quite popular also Lets Play free prize drawings show patrons could register win complete RC car boat plane train outfit given away What did see new youre fresh model trade show thats usu ally first question youre asked Ill gin broad observation LA show confirmed trend first noticed ear California exhibitionscompanies formerly catered other sorts hobbyists now moving RC model airplane field found quite interesting view certainty RC car en thusiasts both makers consumers maintain RC hobby originated Associated RC-l0 car Several years ago well-known RC car dustry leader prophesied couple years no will flying RC airplanes everyone will driving RC cars Fat chance said myself Well couple years have come gone proving right RC aircraft industry notably healthy robust its growing point RC car manufacturers branch ing airplanes Probably significant companies Parma International largest largest RC car aftermarket product supplier Parma showing two ARF Electric RC airplanes ac cessories replacement parts Minicraft Models company well known its ex tremely accurate plastic display models now offers several flying model kitsbalsaand-tissue Gliders rubber-powered de signs couple interesting preassem bled balsa-and-tissue Electrics boat manufacturers getting act Victor Model Products well known RC sailboat field showed two Elec tric airplane kits 31-in-span Pietenpol 5 l-in-span semiscale model Spirit St Louis called Lindys Lectric seems manufacturers must seeing swing part custom ers basic line nonflying models airplanes suspect theyre learning what rest us have known along Flying real modeling action July1990 57 Jeanette Ramson United Model Distribu tors showing off companys Salto FA 325 Saito makes four-stroke engines time another serious model hobbyist finds himself looking buying small lathe best market confirmed RCer several exciting Unimat PC Its sOphisti new items being offered Carl Goldberg cated enough use computer control soon release perhaps summer second-generation X-347 transmltter/ computer JR multiprogrammable airplanes Helicopters Sailplanes plus other computer-controlled functions hits show new Ultimate bipe Goldberg Models Its designed new BGX-1 3500 two-stroke engine 60 two-stroke 120 four-stroke power 05 marks companys entry big incorporates Golbergs latest construction engine market displaces 2135 cu techniques making fast easy build turns up 9000 rpm weighs 20 oz Left This cute ARF Electric-powered pusher comes complete spare parts crash warranty other beginner models available Chicago Model International Right Charlie Bauer Top Flite Models companys latest offering electric-powered Phasoar spans 561/4 weighs 24 27 oz Its specifically designed Astro Flight 035 cobalt motor two- three-channel control Left Minicraft models up till now plastic display model supplier has entered RC flying field Vegas 40 Electric Glider Its interesting stick-and-tissue ARF Except radio battery pack kit appears come complete including motor Right Doug Bryant Eagle Products showing interesting example graphics possible companys line colorful trim material Left Primarily designed Slope Soaring 38-in-span A-4 Bruces Aircraft Models can also converted quite easily glow electric power Right US AirCore Inc premiered its CoroStar 40 uses unique corrogated polypropylene construction material new kit called Ultimate Biplane humble-looking very aerobatic bipe first introduced model form 1988 Tournament Champions Goldberg kit incorporates fast-building tech niques company has developed over years also features foolproof system attaching aligning top wing Ul timate Biplane designed 60 twostroke 120 four-stroke power spans 51 980 sq wing area weighs 7/2 81/2 lb 60 two-stroke engine bipes realistic aerobatics game youd better get dealers list Just exciting two multicylinder engines being produced West Coast En gines 17485 Catalpa Hesperia CA 92345 telephone 1-619/947-5504 display five- seven-cylinder ver sions both well-finished highly polished aluminum exteriors Both engines look like four-strokers normal config uration top-mounted valve covers pushrods front interesting part really single-cylinder two-stroke engines dis guise resembling big Rossi 90s OS 80s nothing visible except rearmounted carburetor single operating exhaust channeled crankcase Continued page 165 58 Model Aviation JTBP1 09- 15 1495 JT-BP2 19- 25 1495 JT-BP3 29 056 1495 ii not available hsbby shop ORDER DiRECifor immediate shipment Check MO Visa MC COO accepted Add $250 tsr UPS $300 tsr COD 60/ sales too tsr Calif residents Formula 1 John McDermott 20 Pt 11835 2 Dennis OBrien 19 pt 11981 3 Drew Telford 17 Pt 12334 4 Barry West 16 pt 12757 5 Michael Klutz 14 Pt 11268 6 Paul Benezra 12 Pt 12037 7 Bob Schuster 12 pt 13260 8 Stormin Norm Johnson 11 Pt 11542 9 Gary Walker 10 Pt 12570 10 Racer Rick Lan ders 9 Pt 12350 Best time Brian Richmond 10808 Next month make 90-second clock start/finish line Support organization responsible what have racing today Support NMPRA join information write Ron Schorr 5224 Teesdale North Hollywood CA 91607 See next month LA Show/Marez Continued page 58 other nonoperating cylinders turn exhausting through what would nor mal exhaust ports true four-stroke en gine type sound reported completely different almost too quiet Though theyre being mass pro duced engines available modeler information write call manufacturer Also seen LA show brandnew products aimed novice RC flier new company Chicago Model Interna tional CMI offering innovative ap proach learning difficulties new pi $1695PropeIIer Drill Jigs 08 Self aligns existing prop hole Webre Bully s-Dolmar Zence um II SunCraft 1617 Los Tamases Albuq NM 87102 505-842-9646 I, JT-BP4 60 901495 JT-BP5 MAX 90-106 1795 JT-8P6 ST 2500-3000 2195 5tNO 25t STAMP.muI ADOITIONAt INFO AND JTEC CATALOG 164 School So. Daly City CA 94014 141517563400 lots what termed its crash war ranty CMI displayed two ARF Electric airplanes Cessna look-alike other very appealing shoulder-wing pusher top-pod-mounted motor Both come complete everything needed get air RC system battery charger spare parts Under companys crash warranty during first 60 days after purchase broken parts may returned repair replacement cost shipping handling alone $650 As know beginners would like start flying Ultimate mentioned earlier CMI offers what seems like practical safer ap proach Radios appear advancing quan tum leaps Airtronics introduced its new second-generation computer transmitter will available year rede signed transmitter has fully contoured case falls hands naturally baseball showing little family resem blance its forbears isnt just other pretty face radio features chan nel selection touch button some thing us have asking since now-defunct Kraft Systems frequency synthesizer introduced principle will have multiple programming features available different versions special ized flying applications Hobby Dynamics distributors JR equipment also new computer share known X-347 too has con toured case designand some T shirts size fits transmitter can programmed airplanes Helicopters Sailplanes makes lot sense really active flier X-347 also fea tures programmable trainer system student starts basics takes over more control skills progress Large Scale models less evidence years past OS did unveil new engine such planes quite impressivethe BGX-l 3500 Like probably wonder what nomencla ture stands 3500 simplethe Continued page 168 Mere Fun ESC SPECIFIC vfing Span62Y2 inches Wing Area770 square inches Engine Size 10 cc 90 120 four stroke Designed forAMA FAI Turn-around pattern Foam wing stab 3-32 Balsa sheet covering Tricycle conven tional gear fixed retracts Rear side exhaust fiber glass canopy Very positive majverable XLT SPECIFICAi Wing Span65 inches Length65 inches Wing Area845 square inches Recommended Engine Size 10 cc 90 120 four stroke XLT designed tuned pipe re tract landing gears Capable AMA Turn-around pattern Rear side ex haust SPECIFICATIONS Wing Span Wing Area Engine Size 63Y4 inches 700 square inches 50-60 Glow 90 four stroke Forfun sport pattern orturn-around can done Utter Chaos completely built up Balsa construction Canopy engine mount included years proven flying reliablity BRIDI AIRCRAFT DESIGNS INC 23625 Pineforest Lane Harbor City California 90710 213 549-8264 213 326-5013 SEE YOUR FAVORITE HOBBY SHOP OR RETAIL OUTLET W Dealer InqurM Invited July 1990 165 Snuf-Vibe BACK PLATE MOUNTS Front Intake Engines Aluminum Back Plate Mounts light weight easy Install Just boO engine crank case mounts equipped SNUF-ViBE isolation system double protection engine vibration SIX SIZES FOR ENGINES 15 TO 182 eOoPRECISI0NTNSTFlUMENTS MILLS METALS OOOKS _____COMPLETE COTOLOC $200 10005 oP items AMPIEU reets ce oaoo N S1, Rood Sprogfoo1d OH 45505 5133228562 lam sure know maybe have old well browned motor seemed run just little bit better others same make around have come feel magic ingredient occasional extra eager motors have related effectiveness crankcase seal piston comes down gas crankcase compressed prepara tion bypassing case tight some gas escapes goes part ofyour power does go ask rear cover gasket absolutely tight am sure leaking Well several other places case pressure can go alongside crankshaft intake up between skirt piston inside liner out exhaust port Soyou say Lets make thesefits tight gas cant escape fine except get surfaces too close togetherfricrion goes up power output goes down Make too loose lose case compression large number experiments over years has brought conclusion residual castor oil motor will effectively seal clearance up 0015 003 diameter some todays very thin fuels using low viscosity synthetic lubricants critical clearance would smallen As matter experience have arrived 0015 002 being good crankshaft clearance 002 being goad piston skirt cylinder bore clearance below ports 001 being good case cylinder clearance case racing motors high per formance motors tend make looser Now lot customers like take motor apart clean inspect parts sand off rough surfaces carbon build up What happens clearances get little bit greaten Sometimes may burr piece grit sand will abrade little bit sleeve little bit off piston resulting little bit clearance Also putting motor back coating surfaces castor oil causes little leakage synthetic lubricants often used today high detergent characteristics prevent carbonized oil build up would normally helpfill seal leakage areas advice remove crankshaft cylinder piston unless really necessary motor gets snoot full dirt suggest cleaning removing rear cover plug immersing Stoddard solvent slashing around turning motor oven Now another problem get quite aftw complaints about glow plugs burning out 9 out 10 cases turns out user has built himseff power panel uses resistors rheostat bring starter battery voltage down glow plug voltage fine able tap cell battery use resistors and/or rheostat have 10 amp rating use rheostat resistors having 4 5 amp rating less what happens find adjustment after resistors rheostat have warmed up considerably ready tafly have cooled i4f resistance drops considerabl2 connect plug get rush power overheats plug element recommend never build power ponel pulling full battery voltage down 11 volt plugs want Tap just cell use rheostat and/or resistors have least 10 amps rating JWER Fox Manufacturing Co 5305 Towson Avenue Fort Smith AR 72901 Phone 501 6461656 AFTER YOU DID ALL THE WORK WHY LET YOUR AIRPLANE DO ALL THE FLYING INFO $300 BUILD & FLY THE miniMAX YOURSELF AWARDED Grand Champion and w Computer Designed w 3 Axis Control Reserve Grand Champion Ultralight w Part 103 Ultralight u Easy Construction 1989 Sun-N-Fun Fly-In w Wood ConstructIon TEAM INC BOX 338M BRADYVILLE TN 37026 615 765-5397 LA Show/Marez Continued page 165 2 135-cu-in displacement converts exactly 35 cu cm BGX-1 Well about Big Nine X- uess really doesnt matter What can tell new OS two-stroke engine claimed rpm range 1800 9000 weighs 207 oz without header muffler engine can either beam- radial-mounted latter having same hole pattern SuperTigre 5T3000 BGX-l 3500 marketed Great Planes Check ads nearest dealer availability beginning theres some concern RCHTA shows would fol low course others past deterio rating toy craft shows complete cake decorating dolls heads certainly hasnt happened yet LA show definitely model hobby affair did include things dont fly Though identified such separa tion between different types models show obvious Some aisles devoted strictly trains others over flowed cars accoutrements Joy behold also aisles aisles model airplanes course crossoverstool companies example products serve en tire modeling community companies like Airtronics IR others cater wide spectrum modelers car boat enthusiasts RC fliers Officially 220 exhibitors present years LA show unofficial count little higher About 40% exhib itors including multi-interest firms showed items interest model air plane hobbyist probably about av erage model hobby shows today Both trade retailers consumer days drew good crowdsenough keep body interested involved yet large create impossible lineups including restrooms view point model airplane builder flier show quite enjoyableand 100% successful should mention RCHTA shows include swap shops nor buy ing shows personally enjoy swap shops mainly source out-ofproduction items havent found irresistible fountains bargains buying shows too seldom offer real bargains main advantage being convenience carrying product home spot model airplane hobby choices should can choose type design model like fly like really lucky attend trade shows like information regarding future RCHTA shows have questions and/or com ments about organization vited contact Larry Sperling RCHTA Executive Director PO Box 681116 Schaumburg IL 60168 telephone 1-708/3 10-1222 Little Known Addresses Bruces Aircraft Models 3941 S Bristol Suite 93 Santa Ana CA 92704 1-714/24175 18 Control Room 1334-D N Benson Ave Upland CA 91786 1-714/985-9700 US AirCore 5050 Quorum Dr Suite 600 Dallas TX 75240 1-214/991-1876 TSK/Vortex Precision Products 221 5 Magnolia Suite C Anaheim CA 92804 1714/220-2112 Century Import/Export 759 E Brokaw Rd San Jose CA 95112 1-408/436-1025 CIEVE QUALITY PLANS WORLDS GREATEST TRUE SCALE PLANS VARIETY 12IND Best butineos said auOSoIty Known * world ove ton accurate ainonaft p105 pacOical build able models wood tacnic cwnstrucljon hecausa tIrer aucunacy notstUotion yroootypslike Now being oulleotOd nat ,all wallos lte Theyll * tSnill irsylre take hawk boyhood days So authentic owen neplice tuildons nely snonuulwnl ana chridnen irspined Ohew too bowildenieg arrayawe 1000 plwno snook Send $2 br catalog today US Car. Mea ForerUn Ainmail add $1 NO credit cards please S day terurwe 216-SCt 600 Eduurd2Pun-d.urrwnuBnulFrwnd~ * CLEVEIAND MODEL & SUPPLY CO jd~ 15357B Dotewit Awe Clenelond Ohio 44102 w 168 Model Aviation Rubber ft Engine Power Pree Plight Display Control Line Electric Power RIC Airplanes new illustrated 32 page tebloid size cetalog US ft Cenada $100 Poreigh $300 Penn Valley Hobby Center 837-A W Main St Lanodale PA 19446 215- 368-0710