Radio Control SCALE Bob & Dolly Wischer STATIC JUDGING METHOD letter David Andersen advocates acceler ated procedure static judging Read note tell about static judg ing procedure have found faster fairer static circle method completely within AMA rules During Twin City Radio Controllers annual Scale contest tried slightly dif ferent method static judging call simultaneous static judging con testants asked place airplanes documentation score forms upon designated line use taxiway line would Fifteen feet line another line string grass behind three static judges posi tioned three judges examine planes accompanying docu mentation rank order merit second pass examine planes documentation greater detail assign numerical scores three judges work independently first judge examines accuracy outline second judge determines accuracy finish color markings third judge passes quality workmanship contestants Jim McDonald rightfully proud 1/5-scaIe 1932 Vickers Jockey fighter scratch-built Hal Osbornes 3-views Span 78 weight 12 lb power plant Webra 91 4-stroke Jim says its steady rock air responds smoothly gracefully control inputs won 1st place Riverside CA 4-strnkA contest Photos Jim McDonaldI Granger Williams famed Gee Bee Z L made its tinsi riigns tnlcopee Nats model has donated Springfield Air Race Museum Krier Great Lakes R built Dale Arvin entered Giant Scale 83 Nats Model spans 80 weighs 21 lb uses Quadra 35 46 Model Aviation models annual Scale contest Twin City Radio Controllers arent lined up like lust David Andersen could take interesting photo Theyre lined up static judging using unique method devised club Details column helpers stand rotate hold aircraft required Meanwhile spectators viewed photographed airplanes other side line opposite judges experiment quite successful Judging 19 airplanes took less hourabout one-third time same judges have previously judged airplanes static circle method addition quality scores believed equitable because planes compared other planes before numerical scores assigned Thus no plane judged first summary heres formula Line up airplanes line 15 ft judges line 2 judges rank aircraft before assigning numerical scores 3 judge evaluates outline second judge evaluates finish color markings third judge evaluates workmanship described system variation has also use other contests static-judged Scale Glider event similar method employed complete job less half-hour greatest advantage direct comparisons can made between models dependence upon memory advantage would lost however total quantity models too large models couldnt dis played single line However average contest about 20 airplanes judged system speeds static judging process Updated aluminum finish July 1982 column description procedure burnishing aluminum dope simulate polished metal technique con sists adding No 200 Superfine Leaf Alu minum Powder Crescent Bronze Powder Co clear dope sprayed Continued page 135 riurlel nuSSlimouk s 1-arman ousuque pon caie entry L tfle Nats classic antique model spans 80 built Tuiui 1-umploK won trophy Best Senior Sport Scale Expert Nats Sopwith Tabloid R Scratch-built model e weighs 101/2 lb spans 65 uses Enya 60 power What contrast B-29 behind Sand dolla bill postage handling name addrnas nor 2-pagn nataing nI RIC sailplanns sport planns spnrt stain atnns norms CATALOG 1CO Prinnsrangn 1mm 52495 tn 59495 Kits nan hnsnenat year neal dealnr t h calinir# h1& lPbUhnk j SAIIPLANES 0 SPORT POWER PLANES SPORT SCAL 1 575 OSAWE STREET BAld MARCOS CALIFORNIA SEC SAILPLANES R/C COMPETITION & SPORT January 1984 47 SCALE R/C JEMCO SPORT SCALE BALSA COVEREO FOAM WING CORES SPORT R/C FOR BARNSTORMERS AND STUDENTS 72 Ill SpanK-14 3haur baiIltiapl/ aStIr Span k-IS ROB BUILDS WING STAB & FUSELAGE IHOICE OF MODELERS THE WORLD OVERI— Standard 69~ Fuse-Jig1000 Full House $7995 Wing Jig Wing & Jig Ajustojig CoR R Box 673Noblesville Indiana 46060317 877-2223 Whether consider yourself novice oran expert model builder A-Justo Jig will improve aircraft construc tion valuable time bargain AJusto-Jig holds major com ponents proper alignment entire unit will rotate 36O permit fit glue plank shape sand con venient position No messy glu ing over plans waiting dry before beginning opposite side A-Justo-Jig will adjust rib former spacing lets build-in wing dihedral strong Warp-free construction TO USE simple template rib indexing tool included locate drill holes rib alignment rods easy preparation takes approx 15 minutes average wing A-Justo-Jig builds em better Ask favorite hobby dealer Youll glad did guarantee J&Z Products 25029 S Vermont Ave Harbor City CA 90710 Zinger props P K Products PO Box 6226 Hayward CA 94540 Superstarter Roush Manufacturing Rear 3405 Cleveland Ave SW Canton OH 44707 Cobra lop Flite Models 1901 N Narragansett Chicago IL 60639 Trinden Manufacturing Ltd PO Box 544 Huron Park Ont Canada NOM IYO Quadra RC ScalelWischers Continued page 47 over dope epoxy polyester resin base model burnish dope after thorough drying using paper wad such facial tissue kitchen towel obtain metallic sheen surface subsequently found thtt effort re quired burnishing sheen could considerably reduced dipping paper wad raw No 200 powder process easier also promotes much greater uniformity color attain able previously amount powder picked up paper wad very small Continued page 138 Free-Flight Nordic A12 Classic Frank EhIings NORDIC 72' ory Direct $1000Kt#G6 PostPaid Ljst $2950 ~2Wingspa N C 6409 Airfoil 5269 Sq Area CA ZAIC Co Inc 893 Lexington Ave Brooklyn N Y 11221 tJe2uY odThuv Id / ____-4_____ fl 7\ think plane has bit vibration problem Ace January 1984 135 Ace high MK II An updated 2 sport modeL fuselage die cut pop ply goes Designed bygether minutes cysno acrylate adhesives Cyano 50L202-AceliighMKIIKit $2395 Send $200 complete Spun orct~catalog Add $100 handling *11 ngth w___on direct orders Weight 30% Power 049 051 engines Higginaville Mo 64037 Functions2chenne 816484-7121 Converting Gb En gines Ignition has advantages such Savings cost fuel Less oily mess no Plugs burn out Use boats Cars Planes helicopters Can adapted Larger engines place Flywheel Thus saving weight No machine work volved needed screw driver drill Most available Gb en gines can converted features yours wirn new- en IILDtIL MARf K 2 CDITwo four cycles pointless system oints worry aboutTwins etc unit comes predrilled disk sensor formed clamp mounting t sensor engine Complete instructions convertion timing procedures cluded Unit operates 48 v Low current drain Weight 2 ozs size 2 x 2x 75 0 inches needed complete system Ignition coil spark plug andComplete system oni off switch available separately complete system fuel 5 ignition lines included No batteries includedl State engine size use ordering FABFIIONICSCash MO Certified Check plus $300 postage handling 1586 Via Riverapersonal checks take time clear Calif residents add tax San Lorenzo CA 94580 Brochure $1 00 refundable purchase RC Scale/Wischers Continued page 135 seems paper barely covered aluminum color powder appears plate itself onto doped surface very little effort indi vidual aluminum flakes laid flat max imum reflectivity especially helpful burnishing over rivets made dabs R/C-56 glue because rivets tend melt frictional heat rubbing too vigorous quantity aluminum powder substrate aluminum dope becomes less critical allowing greater latitude mix ing process preferred overcoat clear epoxy gloss hardener preserve metallic finish fingerprints fuel stains tarnishing main shortcoming type finish difficulty matching hues aluminum color after repair job Flutter Scale modelers aware excess speed results non-Scale appearance air seldom victims control surtace tlutter model never reaches speed could cause phenomenon occurs normal cruising speed quite possible look serious problems loose hinges pushrods torque rods operate movable surfaces Flut ter much likely occur during acro batic maneuvers speed builds point will cause surface act like flag stiff breeze Damage horns clev ises hinges control surfaces wreak havoc can usually hear control surface flut ter first sound heard vibrating buzz loud enough discerned clearly above exhaust propeller noises 50-50 chance second sound will caused destructing balsa model smites earth old faithful Ariel Sport ended its life means past summer en gine changed Webra Blackhead 60 HP 60 power better vertical performance per ceptible increase speed During 450 dive unexpected buzz heard From~jen Age 01 Aviation 22 i FAIRcHI1o control nel Kit #107 $395 099 15 EngInes 48 Wingspan Dealer & Dintribetor Inquiries Please send 509 Phone 753 273-9593 Flyline Catalog Flyline Models Inc PO Box 2136 Fairfax Virginia 22031 USA elevators became blur remains cremated After six years flying what could have caused Hard use abuse probably weakened slender aft end fuselage rapid succession snap rolls just prior flutter may also have weakened fuselage-to-stabilizer joint resulting flexibility combined unaccustomed higher speeds probably permitted flutter brought about models sudden demise could also have caused excessive elevator pushrod flexibility pushrod 116-in birch dowelwhich should have /4-in two other occasions have flut ter problems models both ailerons evident high speed dives model after loud vibratory roar lost aileron throttled quickly landed safely using remaining con trol diagnosed ailerons too thin built soft flexible balsa torque rods excessively long small diameter second model ailerons would buzz rather gently whenever speed built up wing aileron structure sufficiently strong avoid disaster annoying noise persisted until ailerons chords tapered /s-in narrower tips small change hardly noticeable appearance major wing overhaul install heavier torque rods averted control surfaces likely flutter ailerons using torque rods ailerons elude probability flutter increasing rod diameter 10-in-long torque rods deHavilland 71 Racer fabricated 9/tn-in OD aluminum tubing /4-in birch dowel epoxied pinned end As racer has subjected lot high-speed abuse no evidence aileron flutter Ailerons operated wire pushrods bellcrariks must have no free play system Long music wire pushrods within wing must supported frequent intervals fairleads can thin plywood plates cemented third fourth rib Supporting holes ply plates should slightly larger wire diameter Flutter problems elevators can often traced pushrods excessively h F Matched Performance System TOP PERFORMANCE K&$ tNGINtS Airplane 4 Marine K&$ FUELSSB GLOW PLUGS 7 tlendt4 choices Matched Finish System BEST APPEARANCE K&$ FIBtRGLASS CLOTH K&B Mrcro-$sllonns FILLtt 9$ SUPE$ POXY RESIN K&$ SUPER POSY THINNER t&$ SUPER POXY PRIMtR K&$ SUPER POSY PAINT K&B MIXING CUPS 138 Model Aviation IN STOCK FOR IMMEDIATE SHIPMENT New 30 CID QUADRA$20950 New 22 CEO QUADRA$10950 Rag 22 QUADRA $10450 Brisighella Flywheel $12450 Reg 22 QUADRA POWER ASSEMBLY ONLY 96450 QUADRA REPAtR 1000 plus parts Jint Manner ERCOUPEPLANS $2395 KIT $23995 Jim Messer TOMAHAWK PLANS $2395 KIT $25995 Jim Massarl-BALLTRAINER PLANS $1895 KIT $9995 BALSA BASSWOOD lou siesl 35% OFF Concept FLEET PLANS $2995 KiT $15995 COWL $1995 FLOATS 36115 scale cores $1795 complete kit $3995 FLOATS 49 h scalecoran $2195 complete kit $4795 Au CECONITE Products ionS OFF Sig J-3 CUB KIT $12496 PLANS SUPER STEARMAN lOodfreyl $2995 STARDUSTER TOO ii IBtisighellal J-3 CUB Nelit $2995 VOLKSPLANE Chicken Charliel $2395 COCKPIT KITS Tomahawk F4U-1 Spitfire $2295 Ercoupe $2095 Stearman 52295 Citehriu $2496 J-3 Cob $2195 ME-109 $2295 Fleet $2195 US Quadra FUEL TANKS1$ oz $695 32 oc $795 FIBERGLASS ARROW SHAFTS 5116 x 32 long 6/91000 24-Hour Sarsdce . Add $250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View Dr Allogany NY 14706 flexible pushrod straight end end rigid Any bend pushrod introduces probability will flex permit softness system can precipitate flutter quick check force elevator trailing edge gently through its natural arc travel moves freely rotating servo output wheel look unwanted deflection pushrod system Enclosed nylon tubular rods should tied down intervals prevent deflection Balsa dowel rods should sufficiently rigid resist bending pressure applied elevator precisely what happens air loads occur high speed Bends wire ends pushrods wire exits through fuselage side elsewhere structure often result type flexibility can lead flutter should kept mind slowflying lightweight Scale model min imum power may never encounter flutter though possessing flaws mentioned Its fast high-powered heavy types likely vic tims can happen Scale model course regardless size usually initiated speed often diving can happen wing model having no ailerons structure flexible Tightly stretched covering material good preventative measure open-framework wings Covering tends sag hot humid weather can reduce wing rigidity enought permit flutter Wings full partial sheet-balsa covering immune problem Documentation sources Offering threeview drawings photo packs enlargements Scale plans models service Scale enthusiasts will search documenta tion drawings enlarge drawings up eight feet long Scale Plans Photo Service 3209 Madison Ave Greensboro NC 27403 Catalog $3 Scale model plan-finding service will lead publication printed wanted drawings within last 50 years Three-views model drawings listed service also has limited number model drawings Gleason Enterprises Rt 2 Box 125 Austin MN 55912 photo service listing over 130 aircraft types offering color photo packs en largements Catalog 50 Ken P Kalynuk 369 Moorgate St Winnipeg Manitoba Canada R3J 2L6 Bob Dolly Wiseher S-221 Lapham Peak Rd Delafleld WI 53018 RC Aerobatics/Van Putte Continued page 49 liked Turnaround both flying judging However cant say liked same con ventional AMA Pattern much refer flying fast crisp quick conventionalpattern models though barely short being guided buzz bombs simply feel better regardless unre alistic may Thats probably because its experience lies RC Contest Board decides pass Turnaround 84 didntRMcM make mandatory classes wont end world may like change least right away Im getting pre pared First Id like thank Matt thoughtful letter has made valu able observations basis personal experience flying judging TurnContinued page 142 RIC MODEL TRANSPORTER Compact Versatile Durable Hauls 2 planes plus gear equipment will need $570 field customize inside hangers tool box etc meet eed cz S WINNERS Flat platinum coil element Ceramic core Idle Bar Idle cap January 1984 139 Great LakesPO Box 308 Tawas City Ml 48763 Model Company517362-6078 AT-6 SNJ-HARVARD Wingspan 63375 ngine y Fly List Price $28500 ory Direct $22800 Michigan residents add 4% sales tax Send SASE Brochure er Inaviries Welcome highly detailed eurathane foam kit also provides balsa wing sheeting rudder elevator ailerons detail molded ribs will show covered silkspan provided Numerous items shown photo provided such choice four different canopies scale struts len sos navigation landing & position & passing lights antenna pitot tube motor mount instrument panels necessary hardware except motor radio fuel tank Eurathane foam affected solvents such dope thinner lacquer thin ner glo fuel can painted almost type paint Coo Si 410030 HisS Maintnanc F. Alunonom ExtSnot Wood Coo Construction Stl itonnins Go, X-HAIJL ER PO Box 185 Constantine MI 49042 Ciil 616435-6905 Send S1 cataloque ox 31228 Indpls IN 46231 A
Edition: Model Aviation - 1984/01
Page Numbers: 46, 47, 135, 138, 139
Radio Control SCALE Bob & Dolly Wischer STATIC JUDGING METHOD letter David Andersen advocates acceler ated procedure static judging Read note tell about static judg ing procedure have found faster fairer static circle method completely within AMA rules During Twin City Radio Controllers annual Scale contest tried slightly dif ferent method static judging call simultaneous static judging con testants asked place airplanes documentation score forms upon designated line use taxiway line would Fifteen feet line another line string grass behind three static judges posi tioned three judges examine planes accompanying docu mentation rank order merit second pass examine planes documentation greater detail assign numerical scores three judges work independently first judge examines accuracy outline second judge determines accuracy finish color markings third judge passes quality workmanship contestants Jim McDonald rightfully proud 1/5-scaIe 1932 Vickers Jockey fighter scratch-built Hal Osbornes 3-views Span 78 weight 12 lb power plant Webra 91 4-stroke Jim says its steady rock air responds smoothly gracefully control inputs won 1st place Riverside CA 4-strnkA contest Photos Jim McDonaldI Granger Williams famed Gee Bee Z L made its tinsi riigns tnlcopee Nats model has donated Springfield Air Race Museum Krier Great Lakes R built Dale Arvin entered Giant Scale 83 Nats Model spans 80 weighs 21 lb uses Quadra 35 46 Model Aviation models annual Scale contest Twin City Radio Controllers arent lined up like lust David Andersen could take interesting photo Theyre lined up static judging using unique method devised club Details column helpers stand rotate hold aircraft required Meanwhile spectators viewed photographed airplanes other side line opposite judges experiment quite successful Judging 19 airplanes took less hourabout one-third time same judges have previously judged airplanes static circle method addition quality scores believed equitable because planes compared other planes before numerical scores assigned Thus no plane judged first summary heres formula Line up airplanes line 15 ft judges line 2 judges rank aircraft before assigning numerical scores 3 judge evaluates outline second judge evaluates finish color markings third judge evaluates workmanship described system variation has also use other contests static-judged Scale Glider event similar method employed complete job less half-hour greatest advantage direct comparisons can made between models dependence upon memory advantage would lost however total quantity models too large models couldnt dis played single line However average contest about 20 airplanes judged system speeds static judging process Updated aluminum finish July 1982 column description procedure burnishing aluminum dope simulate polished metal technique con sists adding No 200 Superfine Leaf Alu minum Powder Crescent Bronze Powder Co clear dope sprayed Continued page 135 riurlel nuSSlimouk s 1-arman ousuque pon caie entry L tfle Nats classic antique model spans 80 built Tuiui 1-umploK won trophy Best Senior Sport Scale Expert Nats Sopwith Tabloid R Scratch-built model e weighs 101/2 lb spans 65 uses Enya 60 power What contrast B-29 behind Sand dolla bill postage handling name addrnas nor 2-pagn nataing nI RIC sailplanns sport planns spnrt stain atnns norms CATALOG 1CO Prinnsrangn 1mm 52495 tn 59495 Kits nan hnsnenat year neal dealnr t h calinir# h1& lPbUhnk j SAIIPLANES 0 SPORT POWER PLANES SPORT SCAL 1 575 OSAWE STREET BAld MARCOS CALIFORNIA SEC SAILPLANES R/C COMPETITION & SPORT January 1984 47 SCALE R/C JEMCO SPORT SCALE BALSA COVEREO FOAM WING CORES SPORT R/C FOR BARNSTORMERS AND STUDENTS 72 Ill SpanK-14 3haur baiIltiapl/ aStIr Span k-IS ROB BUILDS WING STAB & FUSELAGE IHOICE OF MODELERS THE WORLD OVERI— Standard 69~ Fuse-Jig1000 Full House $7995 Wing Jig Wing & Jig Ajustojig CoR R Box 673Noblesville Indiana 46060317 877-2223 Whether consider yourself novice oran expert model builder A-Justo Jig will improve aircraft construc tion valuable time bargain AJusto-Jig holds major com ponents proper alignment entire unit will rotate 36O permit fit glue plank shape sand con venient position No messy glu ing over plans waiting dry before beginning opposite side A-Justo-Jig will adjust rib former spacing lets build-in wing dihedral strong Warp-free construction TO USE simple template rib indexing tool included locate drill holes rib alignment rods easy preparation takes approx 15 minutes average wing A-Justo-Jig builds em better Ask favorite hobby dealer Youll glad did guarantee J&Z Products 25029 S Vermont Ave Harbor City CA 90710 Zinger props P K Products PO Box 6226 Hayward CA 94540 Superstarter Roush Manufacturing Rear 3405 Cleveland Ave SW Canton OH 44707 Cobra lop Flite Models 1901 N Narragansett Chicago IL 60639 Trinden Manufacturing Ltd PO Box 544 Huron Park Ont Canada NOM IYO Quadra RC ScalelWischers Continued page 47 over dope epoxy polyester resin base model burnish dope after thorough drying using paper wad such facial tissue kitchen towel obtain metallic sheen surface subsequently found thtt effort re quired burnishing sheen could considerably reduced dipping paper wad raw No 200 powder process easier also promotes much greater uniformity color attain able previously amount powder picked up paper wad very small Continued page 138 Free-Flight Nordic A12 Classic Frank EhIings NORDIC 72' ory Direct $1000Kt#G6 PostPaid Ljst $2950 ~2Wingspa N C 6409 Airfoil 5269 Sq Area CA ZAIC Co Inc 893 Lexington Ave Brooklyn N Y 11221 tJe2uY odThuv Id / ____-4_____ fl 7\ think plane has bit vibration problem Ace January 1984 135 Ace high MK II An updated 2 sport modeL fuselage die cut pop ply goes Designed bygether minutes cysno acrylate adhesives Cyano 50L202-AceliighMKIIKit $2395 Send $200 complete Spun orct~catalog Add $100 handling *11 ngth w___on direct orders Weight 30% Power 049 051 engines Higginaville Mo 64037 Functions2chenne 816484-7121 Converting Gb En gines Ignition has advantages such Savings cost fuel Less oily mess no Plugs burn out Use boats Cars Planes helicopters Can adapted Larger engines place Flywheel Thus saving weight No machine work volved needed screw driver drill Most available Gb en gines can converted features yours wirn new- en IILDtIL MARf K 2 CDITwo four cycles pointless system oints worry aboutTwins etc unit comes predrilled disk sensor formed clamp mounting t sensor engine Complete instructions convertion timing procedures cluded Unit operates 48 v Low current drain Weight 2 ozs size 2 x 2x 75 0 inches needed complete system Ignition coil spark plug andComplete system oni off switch available separately complete system fuel 5 ignition lines included No batteries includedl State engine size use ordering FABFIIONICSCash MO Certified Check plus $300 postage handling 1586 Via Riverapersonal checks take time clear Calif residents add tax San Lorenzo CA 94580 Brochure $1 00 refundable purchase RC Scale/Wischers Continued page 135 seems paper barely covered aluminum color powder appears plate itself onto doped surface very little effort indi vidual aluminum flakes laid flat max imum reflectivity especially helpful burnishing over rivets made dabs R/C-56 glue because rivets tend melt frictional heat rubbing too vigorous quantity aluminum powder substrate aluminum dope becomes less critical allowing greater latitude mix ing process preferred overcoat clear epoxy gloss hardener preserve metallic finish fingerprints fuel stains tarnishing main shortcoming type finish difficulty matching hues aluminum color after repair job Flutter Scale modelers aware excess speed results non-Scale appearance air seldom victims control surtace tlutter model never reaches speed could cause phenomenon occurs normal cruising speed quite possible look serious problems loose hinges pushrods torque rods operate movable surfaces Flut ter much likely occur during acro batic maneuvers speed builds point will cause surface act like flag stiff breeze Damage horns clev ises hinges control surfaces wreak havoc can usually hear control surface flut ter first sound heard vibrating buzz loud enough discerned clearly above exhaust propeller noises 50-50 chance second sound will caused destructing balsa model smites earth old faithful Ariel Sport ended its life means past summer en gine changed Webra Blackhead 60 HP 60 power better vertical performance per ceptible increase speed During 450 dive unexpected buzz heard From~jen Age 01 Aviation 22 i FAIRcHI1o control nel Kit #107 $395 099 15 EngInes 48 Wingspan Dealer & Dintribetor Inquiries Please send 509 Phone 753 273-9593 Flyline Catalog Flyline Models Inc PO Box 2136 Fairfax Virginia 22031 USA elevators became blur remains cremated After six years flying what could have caused Hard use abuse probably weakened slender aft end fuselage rapid succession snap rolls just prior flutter may also have weakened fuselage-to-stabilizer joint resulting flexibility combined unaccustomed higher speeds probably permitted flutter brought about models sudden demise could also have caused excessive elevator pushrod flexibility pushrod 116-in birch dowelwhich should have /4-in two other occasions have flut ter problems models both ailerons evident high speed dives model after loud vibratory roar lost aileron throttled quickly landed safely using remaining con trol diagnosed ailerons too thin built soft flexible balsa torque rods excessively long small diameter second model ailerons would buzz rather gently whenever speed built up wing aileron structure sufficiently strong avoid disaster annoying noise persisted until ailerons chords tapered /s-in narrower tips small change hardly noticeable appearance major wing overhaul install heavier torque rods averted control surfaces likely flutter ailerons using torque rods ailerons elude probability flutter increasing rod diameter 10-in-long torque rods deHavilland 71 Racer fabricated 9/tn-in OD aluminum tubing /4-in birch dowel epoxied pinned end As racer has subjected lot high-speed abuse no evidence aileron flutter Ailerons operated wire pushrods bellcrariks must have no free play system Long music wire pushrods within wing must supported frequent intervals fairleads can thin plywood plates cemented third fourth rib Supporting holes ply plates should slightly larger wire diameter Flutter problems elevators can often traced pushrods excessively h F Matched Performance System TOP PERFORMANCE K&$ tNGINtS Airplane 4 Marine K&$ FUELSSB GLOW PLUGS 7 tlendt4 choices Matched Finish System BEST APPEARANCE K&$ FIBtRGLASS CLOTH K&B Mrcro-$sllonns FILLtt 9$ SUPE$ POXY RESIN K&$ SUPER POSY THINNER t&$ SUPER POXY PRIMtR K&$ SUPER POSY PAINT K&B MIXING CUPS 138 Model Aviation IN STOCK FOR IMMEDIATE SHIPMENT New 30 CID QUADRA$20950 New 22 CEO QUADRA$10950 Rag 22 QUADRA $10450 Brisighella Flywheel $12450 Reg 22 QUADRA POWER ASSEMBLY ONLY 96450 QUADRA REPAtR 1000 plus parts Jint Manner ERCOUPEPLANS $2395 KIT $23995 Jim Messer TOMAHAWK PLANS $2395 KIT $25995 Jim Massarl-BALLTRAINER PLANS $1895 KIT $9995 BALSA BASSWOOD lou siesl 35% OFF Concept FLEET PLANS $2995 KiT $15995 COWL $1995 FLOATS 36115 scale cores $1795 complete kit $3995 FLOATS 49 h scalecoran $2195 complete kit $4795 Au CECONITE Products ionS OFF Sig J-3 CUB KIT $12496 PLANS SUPER STEARMAN lOodfreyl $2995 STARDUSTER TOO ii IBtisighellal J-3 CUB Nelit $2995 VOLKSPLANE Chicken Charliel $2395 COCKPIT KITS Tomahawk F4U-1 Spitfire $2295 Ercoupe $2095 Stearman 52295 Citehriu $2496 J-3 Cob $2195 ME-109 $2295 Fleet $2195 US Quadra FUEL TANKS1$ oz $695 32 oc $795 FIBERGLASS ARROW SHAFTS 5116 x 32 long 6/91000 24-Hour Sarsdce . Add $250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View Dr Allogany NY 14706 flexible pushrod straight end end rigid Any bend pushrod introduces probability will flex permit softness system can precipitate flutter quick check force elevator trailing edge gently through its natural arc travel moves freely rotating servo output wheel look unwanted deflection pushrod system Enclosed nylon tubular rods should tied down intervals prevent deflection Balsa dowel rods should sufficiently rigid resist bending pressure applied elevator precisely what happens air loads occur high speed Bends wire ends pushrods wire exits through fuselage side elsewhere structure often result type flexibility can lead flutter should kept mind slowflying lightweight Scale model min imum power may never encounter flutter though possessing flaws mentioned Its fast high-powered heavy types likely vic tims can happen Scale model course regardless size usually initiated speed often diving can happen wing model having no ailerons structure flexible Tightly stretched covering material good preventative measure open-framework wings Covering tends sag hot humid weather can reduce wing rigidity enought permit flutter Wings full partial sheet-balsa covering immune problem Documentation sources Offering threeview drawings photo packs enlargements Scale plans models service Scale enthusiasts will search documenta tion drawings enlarge drawings up eight feet long Scale Plans Photo Service 3209 Madison Ave Greensboro NC 27403 Catalog $3 Scale model plan-finding service will lead publication printed wanted drawings within last 50 years Three-views model drawings listed service also has limited number model drawings Gleason Enterprises Rt 2 Box 125 Austin MN 55912 photo service listing over 130 aircraft types offering color photo packs en largements Catalog 50 Ken P Kalynuk 369 Moorgate St Winnipeg Manitoba Canada R3J 2L6 Bob Dolly Wiseher S-221 Lapham Peak Rd Delafleld WI 53018 RC Aerobatics/Van Putte Continued page 49 liked Turnaround both flying judging However cant say liked same con ventional AMA Pattern much refer flying fast crisp quick conventionalpattern models though barely short being guided buzz bombs simply feel better regardless unre alistic may Thats probably because its experience lies RC Contest Board decides pass Turnaround 84 didntRMcM make mandatory classes wont end world may like change least right away Im getting pre pared First Id like thank Matt thoughtful letter has made valu able observations basis personal experience flying judging TurnContinued page 142 RIC MODEL TRANSPORTER Compact Versatile Durable Hauls 2 planes plus gear equipment will need $570 field customize inside hangers tool box etc meet eed cz S WINNERS Flat platinum coil element Ceramic core Idle Bar Idle cap January 1984 139 Great LakesPO Box 308 Tawas City Ml 48763 Model Company517362-6078 AT-6 SNJ-HARVARD Wingspan 63375 ngine y Fly List Price $28500 ory Direct $22800 Michigan residents add 4% sales tax Send SASE Brochure er Inaviries Welcome highly detailed eurathane foam kit also provides balsa wing sheeting rudder elevator ailerons detail molded ribs will show covered silkspan provided Numerous items shown photo provided such choice four different canopies scale struts len sos navigation landing & position & passing lights antenna pitot tube motor mount instrument panels necessary hardware except motor radio fuel tank Eurathane foam affected solvents such dope thinner lacquer thin ner glo fuel can painted almost type paint Coo Si 410030 HisS Maintnanc F. Alunonom ExtSnot Wood Coo Construction Stl itonnins Go, X-HAIJL ER PO Box 185 Constantine MI 49042 Ciil 616435-6905 Send S1 cataloque ox 31228 Indpls IN 46231 A
Edition: Model Aviation - 1984/01
Page Numbers: 46, 47, 135, 138, 139
Radio Control SCALE Bob & Dolly Wischer STATIC JUDGING METHOD letter David Andersen advocates acceler ated procedure static judging Read note tell about static judg ing procedure have found faster fairer static circle method completely within AMA rules During Twin City Radio Controllers annual Scale contest tried slightly dif ferent method static judging call simultaneous static judging con testants asked place airplanes documentation score forms upon designated line use taxiway line would Fifteen feet line another line string grass behind three static judges posi tioned three judges examine planes accompanying docu mentation rank order merit second pass examine planes documentation greater detail assign numerical scores three judges work independently first judge examines accuracy outline second judge determines accuracy finish color markings third judge passes quality workmanship contestants Jim McDonald rightfully proud 1/5-scaIe 1932 Vickers Jockey fighter scratch-built Hal Osbornes 3-views Span 78 weight 12 lb power plant Webra 91 4-stroke Jim says its steady rock air responds smoothly gracefully control inputs won 1st place Riverside CA 4-strnkA contest Photos Jim McDonaldI Granger Williams famed Gee Bee Z L made its tinsi riigns tnlcopee Nats model has donated Springfield Air Race Museum Krier Great Lakes R built Dale Arvin entered Giant Scale 83 Nats Model spans 80 weighs 21 lb uses Quadra 35 46 Model Aviation models annual Scale contest Twin City Radio Controllers arent lined up like lust David Andersen could take interesting photo Theyre lined up static judging using unique method devised club Details column helpers stand rotate hold aircraft required Meanwhile spectators viewed photographed airplanes other side line opposite judges experiment quite successful Judging 19 airplanes took less hourabout one-third time same judges have previously judged airplanes static circle method addition quality scores believed equitable because planes compared other planes before numerical scores assigned Thus no plane judged first summary heres formula Line up airplanes line 15 ft judges line 2 judges rank aircraft before assigning numerical scores 3 judge evaluates outline second judge evaluates finish color markings third judge evaluates workmanship described system variation has also use other contests static-judged Scale Glider event similar method employed complete job less half-hour greatest advantage direct comparisons can made between models dependence upon memory advantage would lost however total quantity models too large models couldnt dis played single line However average contest about 20 airplanes judged system speeds static judging process Updated aluminum finish July 1982 column description procedure burnishing aluminum dope simulate polished metal technique con sists adding No 200 Superfine Leaf Alu minum Powder Crescent Bronze Powder Co clear dope sprayed Continued page 135 riurlel nuSSlimouk s 1-arman ousuque pon caie entry L tfle Nats classic antique model spans 80 built Tuiui 1-umploK won trophy Best Senior Sport Scale Expert Nats Sopwith Tabloid R Scratch-built model e weighs 101/2 lb spans 65 uses Enya 60 power What contrast B-29 behind Sand dolla bill postage handling name addrnas nor 2-pagn nataing nI RIC sailplanns sport planns spnrt stain atnns norms CATALOG 1CO Prinnsrangn 1mm 52495 tn 59495 Kits nan hnsnenat year neal dealnr t h calinir# h1& lPbUhnk j SAIIPLANES 0 SPORT POWER PLANES SPORT SCAL 1 575 OSAWE STREET BAld MARCOS CALIFORNIA SEC SAILPLANES R/C COMPETITION & SPORT January 1984 47 SCALE R/C JEMCO SPORT SCALE BALSA COVEREO FOAM WING CORES SPORT R/C FOR BARNSTORMERS AND STUDENTS 72 Ill SpanK-14 3haur baiIltiapl/ aStIr Span k-IS ROB BUILDS WING STAB & FUSELAGE IHOICE OF MODELERS THE WORLD OVERI— Standard 69~ Fuse-Jig1000 Full House $7995 Wing Jig Wing & Jig Ajustojig CoR R Box 673Noblesville Indiana 46060317 877-2223 Whether consider yourself novice oran expert model builder A-Justo Jig will improve aircraft construc tion valuable time bargain AJusto-Jig holds major com ponents proper alignment entire unit will rotate 36O permit fit glue plank shape sand con venient position No messy glu ing over plans waiting dry before beginning opposite side A-Justo-Jig will adjust rib former spacing lets build-in wing dihedral strong Warp-free construction TO USE simple template rib indexing tool included locate drill holes rib alignment rods easy preparation takes approx 15 minutes average wing A-Justo-Jig builds em better Ask favorite hobby dealer Youll glad did guarantee J&Z Products 25029 S Vermont Ave Harbor City CA 90710 Zinger props P K Products PO Box 6226 Hayward CA 94540 Superstarter Roush Manufacturing Rear 3405 Cleveland Ave SW Canton OH 44707 Cobra lop Flite Models 1901 N Narragansett Chicago IL 60639 Trinden Manufacturing Ltd PO Box 544 Huron Park Ont Canada NOM IYO Quadra RC ScalelWischers Continued page 47 over dope epoxy polyester resin base model burnish dope after thorough drying using paper wad such facial tissue kitchen towel obtain metallic sheen surface subsequently found thtt effort re quired burnishing sheen could considerably reduced dipping paper wad raw No 200 powder process easier also promotes much greater uniformity color attain able previously amount powder picked up paper wad very small Continued page 138 Free-Flight Nordic A12 Classic Frank EhIings NORDIC 72' ory Direct $1000Kt#G6 PostPaid Ljst $2950 ~2Wingspa N C 6409 Airfoil 5269 Sq Area CA ZAIC Co Inc 893 Lexington Ave Brooklyn N Y 11221 tJe2uY odThuv Id / ____-4_____ fl 7\ think plane has bit vibration problem Ace January 1984 135 Ace high MK II An updated 2 sport modeL fuselage die cut pop ply goes Designed bygether minutes cysno acrylate adhesives Cyano 50L202-AceliighMKIIKit $2395 Send $200 complete Spun orct~catalog Add $100 handling *11 ngth w___on direct orders Weight 30% Power 049 051 engines Higginaville Mo 64037 Functions2chenne 816484-7121 Converting Gb En gines Ignition has advantages such Savings cost fuel Less oily mess no Plugs burn out Use boats Cars Planes helicopters Can adapted Larger engines place Flywheel Thus saving weight No machine work volved needed screw driver drill Most available Gb en gines can converted features yours wirn new- en IILDtIL MARf K 2 CDITwo four cycles pointless system oints worry aboutTwins etc unit comes predrilled disk sensor formed clamp mounting t sensor engine Complete instructions convertion timing procedures cluded Unit operates 48 v Low current drain Weight 2 ozs size 2 x 2x 75 0 inches needed complete system Ignition coil spark plug andComplete system oni off switch available separately complete system fuel 5 ignition lines included No batteries includedl State engine size use ordering FABFIIONICSCash MO Certified Check plus $300 postage handling 1586 Via Riverapersonal checks take time clear Calif residents add tax San Lorenzo CA 94580 Brochure $1 00 refundable purchase RC Scale/Wischers Continued page 135 seems paper barely covered aluminum color powder appears plate itself onto doped surface very little effort indi vidual aluminum flakes laid flat max imum reflectivity especially helpful burnishing over rivets made dabs R/C-56 glue because rivets tend melt frictional heat rubbing too vigorous quantity aluminum powder substrate aluminum dope becomes less critical allowing greater latitude mix ing process preferred overcoat clear epoxy gloss hardener preserve metallic finish fingerprints fuel stains tarnishing main shortcoming type finish difficulty matching hues aluminum color after repair job Flutter Scale modelers aware excess speed results non-Scale appearance air seldom victims control surtace tlutter model never reaches speed could cause phenomenon occurs normal cruising speed quite possible look serious problems loose hinges pushrods torque rods operate movable surfaces Flut ter much likely occur during acro batic maneuvers speed builds point will cause surface act like flag stiff breeze Damage horns clev ises hinges control surfaces wreak havoc can usually hear control surface flut ter first sound heard vibrating buzz loud enough discerned clearly above exhaust propeller noises 50-50 chance second sound will caused destructing balsa model smites earth old faithful Ariel Sport ended its life means past summer en gine changed Webra Blackhead 60 HP 60 power better vertical performance per ceptible increase speed During 450 dive unexpected buzz heard From~jen Age 01 Aviation 22 i FAIRcHI1o control nel Kit #107 $395 099 15 EngInes 48 Wingspan Dealer & Dintribetor Inquiries Please send 509 Phone 753 273-9593 Flyline Catalog Flyline Models Inc PO Box 2136 Fairfax Virginia 22031 USA elevators became blur remains cremated After six years flying what could have caused Hard use abuse probably weakened slender aft end fuselage rapid succession snap rolls just prior flutter may also have weakened fuselage-to-stabilizer joint resulting flexibility combined unaccustomed higher speeds probably permitted flutter brought about models sudden demise could also have caused excessive elevator pushrod flexibility pushrod 116-in birch dowelwhich should have /4-in two other occasions have flut ter problems models both ailerons evident high speed dives model after loud vibratory roar lost aileron throttled quickly landed safely using remaining con trol diagnosed ailerons too thin built soft flexible balsa torque rods excessively long small diameter second model ailerons would buzz rather gently whenever speed built up wing aileron structure sufficiently strong avoid disaster annoying noise persisted until ailerons chords tapered /s-in narrower tips small change hardly noticeable appearance major wing overhaul install heavier torque rods averted control surfaces likely flutter ailerons using torque rods ailerons elude probability flutter increasing rod diameter 10-in-long torque rods deHavilland 71 Racer fabricated 9/tn-in OD aluminum tubing /4-in birch dowel epoxied pinned end As racer has subjected lot high-speed abuse no evidence aileron flutter Ailerons operated wire pushrods bellcrariks must have no free play system Long music wire pushrods within wing must supported frequent intervals fairleads can thin plywood plates cemented third fourth rib Supporting holes ply plates should slightly larger wire diameter Flutter problems elevators can often traced pushrods excessively h F Matched Performance System TOP PERFORMANCE K&$ tNGINtS Airplane 4 Marine K&$ FUELSSB GLOW PLUGS 7 tlendt4 choices Matched Finish System BEST APPEARANCE K&$ FIBtRGLASS CLOTH K&B Mrcro-$sllonns FILLtt 9$ SUPE$ POXY RESIN K&$ SUPER POSY THINNER t&$ SUPER POXY PRIMtR K&$ SUPER POSY PAINT K&B MIXING CUPS 138 Model Aviation IN STOCK FOR IMMEDIATE SHIPMENT New 30 CID QUADRA$20950 New 22 CEO QUADRA$10950 Rag 22 QUADRA $10450 Brisighella Flywheel $12450 Reg 22 QUADRA POWER ASSEMBLY ONLY 96450 QUADRA REPAtR 1000 plus parts Jint Manner ERCOUPEPLANS $2395 KIT $23995 Jim Messer TOMAHAWK PLANS $2395 KIT $25995 Jim Massarl-BALLTRAINER PLANS $1895 KIT $9995 BALSA BASSWOOD lou siesl 35% OFF Concept FLEET PLANS $2995 KiT $15995 COWL $1995 FLOATS 36115 scale cores $1795 complete kit $3995 FLOATS 49 h scalecoran $2195 complete kit $4795 Au CECONITE Products ionS OFF Sig J-3 CUB KIT $12496 PLANS SUPER STEARMAN lOodfreyl $2995 STARDUSTER TOO ii IBtisighellal J-3 CUB Nelit $2995 VOLKSPLANE Chicken Charliel $2395 COCKPIT KITS Tomahawk F4U-1 Spitfire $2295 Ercoupe $2095 Stearman 52295 Citehriu $2496 J-3 Cob $2195 ME-109 $2295 Fleet $2195 US Quadra FUEL TANKS1$ oz $695 32 oc $795 FIBERGLASS ARROW SHAFTS 5116 x 32 long 6/91000 24-Hour Sarsdce . Add $250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View Dr Allogany NY 14706 flexible pushrod straight end end rigid Any bend pushrod introduces probability will flex permit softness system can precipitate flutter quick check force elevator trailing edge gently through its natural arc travel moves freely rotating servo output wheel look unwanted deflection pushrod system Enclosed nylon tubular rods should tied down intervals prevent deflection Balsa dowel rods should sufficiently rigid resist bending pressure applied elevator precisely what happens air loads occur high speed Bends wire ends pushrods wire exits through fuselage side elsewhere structure often result type flexibility can lead flutter should kept mind slowflying lightweight Scale model min imum power may never encounter flutter though possessing flaws mentioned Its fast high-powered heavy types likely vic tims can happen Scale model course regardless size usually initiated speed often diving can happen wing model having no ailerons structure flexible Tightly stretched covering material good preventative measure open-framework wings Covering tends sag hot humid weather can reduce wing rigidity enought permit flutter Wings full partial sheet-balsa covering immune problem Documentation sources Offering threeview drawings photo packs enlargements Scale plans models service Scale enthusiasts will search documenta tion drawings enlarge drawings up eight feet long Scale Plans Photo Service 3209 Madison Ave Greensboro NC 27403 Catalog $3 Scale model plan-finding service will lead publication printed wanted drawings within last 50 years Three-views model drawings listed service also has limited number model drawings Gleason Enterprises Rt 2 Box 125 Austin MN 55912 photo service listing over 130 aircraft types offering color photo packs en largements Catalog 50 Ken P Kalynuk 369 Moorgate St Winnipeg Manitoba Canada R3J 2L6 Bob Dolly Wiseher S-221 Lapham Peak Rd Delafleld WI 53018 RC Aerobatics/Van Putte Continued page 49 liked Turnaround both flying judging However cant say liked same con ventional AMA Pattern much refer flying fast crisp quick conventionalpattern models though barely short being guided buzz bombs simply feel better regardless unre alistic may Thats probably because its experience lies RC Contest Board decides pass Turnaround 84 didntRMcM make mandatory classes wont end world may like change least right away Im getting pre pared First Id like thank Matt thoughtful letter has made valu able observations basis personal experience flying judging TurnContinued page 142 RIC MODEL TRANSPORTER Compact Versatile Durable Hauls 2 planes plus gear equipment will need $570 field customize inside hangers tool box etc meet eed cz S WINNERS Flat platinum coil element Ceramic core Idle Bar Idle cap January 1984 139 Great LakesPO Box 308 Tawas City Ml 48763 Model Company517362-6078 AT-6 SNJ-HARVARD Wingspan 63375 ngine y Fly List Price $28500 ory Direct $22800 Michigan residents add 4% sales tax Send SASE Brochure er Inaviries Welcome highly detailed eurathane foam kit also provides balsa wing sheeting rudder elevator ailerons detail molded ribs will show covered silkspan provided Numerous items shown photo provided such choice four different canopies scale struts len sos navigation landing & position & passing lights antenna pitot tube motor mount instrument panels necessary hardware except motor radio fuel tank Eurathane foam affected solvents such dope thinner lacquer thin ner glo fuel can painted almost type paint Coo Si 410030 HisS Maintnanc F. Alunonom ExtSnot Wood Coo Construction Stl itonnins Go, X-HAIJL ER PO Box 185 Constantine MI 49042 Ciil 616435-6905 Send S1 cataloque ox 31228 Indpls IN 46231 A
Edition: Model Aviation - 1984/01
Page Numbers: 46, 47, 135, 138, 139
Radio Control SCALE Bob & Dolly Wischer STATIC JUDGING METHOD letter David Andersen advocates acceler ated procedure static judging Read note tell about static judg ing procedure have found faster fairer static circle method completely within AMA rules During Twin City Radio Controllers annual Scale contest tried slightly dif ferent method static judging call simultaneous static judging con testants asked place airplanes documentation score forms upon designated line use taxiway line would Fifteen feet line another line string grass behind three static judges posi tioned three judges examine planes accompanying docu mentation rank order merit second pass examine planes documentation greater detail assign numerical scores three judges work independently first judge examines accuracy outline second judge determines accuracy finish color markings third judge passes quality workmanship contestants Jim McDonald rightfully proud 1/5-scaIe 1932 Vickers Jockey fighter scratch-built Hal Osbornes 3-views Span 78 weight 12 lb power plant Webra 91 4-stroke Jim says its steady rock air responds smoothly gracefully control inputs won 1st place Riverside CA 4-strnkA contest Photos Jim McDonaldI Granger Williams famed Gee Bee Z L made its tinsi riigns tnlcopee Nats model has donated Springfield Air Race Museum Krier Great Lakes R built Dale Arvin entered Giant Scale 83 Nats Model spans 80 weighs 21 lb uses Quadra 35 46 Model Aviation models annual Scale contest Twin City Radio Controllers arent lined up like lust David Andersen could take interesting photo Theyre lined up static judging using unique method devised club Details column helpers stand rotate hold aircraft required Meanwhile spectators viewed photographed airplanes other side line opposite judges experiment quite successful Judging 19 airplanes took less hourabout one-third time same judges have previously judged airplanes static circle method addition quality scores believed equitable because planes compared other planes before numerical scores assigned Thus no plane judged first summary heres formula Line up airplanes line 15 ft judges line 2 judges rank aircraft before assigning numerical scores 3 judge evaluates outline second judge evaluates finish color markings third judge evaluates workmanship described system variation has also use other contests static-judged Scale Glider event similar method employed complete job less half-hour greatest advantage direct comparisons can made between models dependence upon memory advantage would lost however total quantity models too large models couldnt dis played single line However average contest about 20 airplanes judged system speeds static judging process Updated aluminum finish July 1982 column description procedure burnishing aluminum dope simulate polished metal technique con sists adding No 200 Superfine Leaf Alu minum Powder Crescent Bronze Powder Co clear dope sprayed Continued page 135 riurlel nuSSlimouk s 1-arman ousuque pon caie entry L tfle Nats classic antique model spans 80 built Tuiui 1-umploK won trophy Best Senior Sport Scale Expert Nats Sopwith Tabloid R Scratch-built model e weighs 101/2 lb spans 65 uses Enya 60 power What contrast B-29 behind Sand dolla bill postage handling name addrnas nor 2-pagn nataing nI RIC sailplanns sport planns spnrt stain atnns norms CATALOG 1CO Prinnsrangn 1mm 52495 tn 59495 Kits nan hnsnenat year neal dealnr t h calinir# h1& lPbUhnk j SAIIPLANES 0 SPORT POWER PLANES SPORT SCAL 1 575 OSAWE STREET BAld MARCOS CALIFORNIA SEC SAILPLANES R/C COMPETITION & SPORT January 1984 47 SCALE R/C JEMCO SPORT SCALE BALSA COVEREO FOAM WING CORES SPORT R/C FOR BARNSTORMERS AND STUDENTS 72 Ill SpanK-14 3haur baiIltiapl/ aStIr Span k-IS ROB BUILDS WING STAB & FUSELAGE IHOICE OF MODELERS THE WORLD OVERI— Standard 69~ Fuse-Jig1000 Full House $7995 Wing Jig Wing & Jig Ajustojig CoR R Box 673Noblesville Indiana 46060317 877-2223 Whether consider yourself novice oran expert model builder A-Justo Jig will improve aircraft construc tion valuable time bargain AJusto-Jig holds major com ponents proper alignment entire unit will rotate 36O permit fit glue plank shape sand con venient position No messy glu ing over plans waiting dry before beginning opposite side A-Justo-Jig will adjust rib former spacing lets build-in wing dihedral strong Warp-free construction TO USE simple template rib indexing tool included locate drill holes rib alignment rods easy preparation takes approx 15 minutes average wing A-Justo-Jig builds em better Ask favorite hobby dealer Youll glad did guarantee J&Z Products 25029 S Vermont Ave Harbor City CA 90710 Zinger props P K Products PO Box 6226 Hayward CA 94540 Superstarter Roush Manufacturing Rear 3405 Cleveland Ave SW Canton OH 44707 Cobra lop Flite Models 1901 N Narragansett Chicago IL 60639 Trinden Manufacturing Ltd PO Box 544 Huron Park Ont Canada NOM IYO Quadra RC ScalelWischers Continued page 47 over dope epoxy polyester resin base model burnish dope after thorough drying using paper wad such facial tissue kitchen towel obtain metallic sheen surface subsequently found thtt effort re quired burnishing sheen could considerably reduced dipping paper wad raw No 200 powder process easier also promotes much greater uniformity color attain able previously amount powder picked up paper wad very small Continued page 138 Free-Flight Nordic A12 Classic Frank EhIings NORDIC 72' ory Direct $1000Kt#G6 PostPaid Ljst $2950 ~2Wingspa N C 6409 Airfoil 5269 Sq Area CA ZAIC Co Inc 893 Lexington Ave Brooklyn N Y 11221 tJe2uY odThuv Id / ____-4_____ fl 7\ think plane has bit vibration problem Ace January 1984 135 Ace high MK II An updated 2 sport modeL fuselage die cut pop ply goes Designed bygether minutes cysno acrylate adhesives Cyano 50L202-AceliighMKIIKit $2395 Send $200 complete Spun orct~catalog Add $100 handling *11 ngth w___on direct orders Weight 30% Power 049 051 engines Higginaville Mo 64037 Functions2chenne 816484-7121 Converting Gb En gines Ignition has advantages such Savings cost fuel Less oily mess no Plugs burn out Use boats Cars Planes helicopters Can adapted Larger engines place Flywheel Thus saving weight No machine work volved needed screw driver drill Most available Gb en gines can converted features yours wirn new- en IILDtIL MARf K 2 CDITwo four cycles pointless system oints worry aboutTwins etc unit comes predrilled disk sensor formed clamp mounting t sensor engine Complete instructions convertion timing procedures cluded Unit operates 48 v Low current drain Weight 2 ozs size 2 x 2x 75 0 inches needed complete system Ignition coil spark plug andComplete system oni off switch available separately complete system fuel 5 ignition lines included No batteries includedl State engine size use ordering FABFIIONICSCash MO Certified Check plus $300 postage handling 1586 Via Riverapersonal checks take time clear Calif residents add tax San Lorenzo CA 94580 Brochure $1 00 refundable purchase RC Scale/Wischers Continued page 135 seems paper barely covered aluminum color powder appears plate itself onto doped surface very little effort indi vidual aluminum flakes laid flat max imum reflectivity especially helpful burnishing over rivets made dabs R/C-56 glue because rivets tend melt frictional heat rubbing too vigorous quantity aluminum powder substrate aluminum dope becomes less critical allowing greater latitude mix ing process preferred overcoat clear epoxy gloss hardener preserve metallic finish fingerprints fuel stains tarnishing main shortcoming type finish difficulty matching hues aluminum color after repair job Flutter Scale modelers aware excess speed results non-Scale appearance air seldom victims control surtace tlutter model never reaches speed could cause phenomenon occurs normal cruising speed quite possible look serious problems loose hinges pushrods torque rods operate movable surfaces Flut ter much likely occur during acro batic maneuvers speed builds point will cause surface act like flag stiff breeze Damage horns clev ises hinges control surfaces wreak havoc can usually hear control surface flut ter first sound heard vibrating buzz loud enough discerned clearly above exhaust propeller noises 50-50 chance second sound will caused destructing balsa model smites earth old faithful Ariel Sport ended its life means past summer en gine changed Webra Blackhead 60 HP 60 power better vertical performance per ceptible increase speed During 450 dive unexpected buzz heard From~jen Age 01 Aviation 22 i FAIRcHI1o control nel Kit #107 $395 099 15 EngInes 48 Wingspan Dealer & Dintribetor Inquiries Please send 509 Phone 753 273-9593 Flyline Catalog Flyline Models Inc PO Box 2136 Fairfax Virginia 22031 USA elevators became blur remains cremated After six years flying what could have caused Hard use abuse probably weakened slender aft end fuselage rapid succession snap rolls just prior flutter may also have weakened fuselage-to-stabilizer joint resulting flexibility combined unaccustomed higher speeds probably permitted flutter brought about models sudden demise could also have caused excessive elevator pushrod flexibility pushrod 116-in birch dowelwhich should have /4-in two other occasions have flut ter problems models both ailerons evident high speed dives model after loud vibratory roar lost aileron throttled quickly landed safely using remaining con trol diagnosed ailerons too thin built soft flexible balsa torque rods excessively long small diameter second model ailerons would buzz rather gently whenever speed built up wing aileron structure sufficiently strong avoid disaster annoying noise persisted until ailerons chords tapered /s-in narrower tips small change hardly noticeable appearance major wing overhaul install heavier torque rods averted control surfaces likely flutter ailerons using torque rods ailerons elude probability flutter increasing rod diameter 10-in-long torque rods deHavilland 71 Racer fabricated 9/tn-in OD aluminum tubing /4-in birch dowel epoxied pinned end As racer has subjected lot high-speed abuse no evidence aileron flutter Ailerons operated wire pushrods bellcrariks must have no free play system Long music wire pushrods within wing must supported frequent intervals fairleads can thin plywood plates cemented third fourth rib Supporting holes ply plates should slightly larger wire diameter Flutter problems elevators can often traced pushrods excessively h F Matched Performance System TOP PERFORMANCE K&$ tNGINtS Airplane 4 Marine K&$ FUELSSB GLOW PLUGS 7 tlendt4 choices Matched Finish System BEST APPEARANCE K&$ FIBtRGLASS CLOTH K&B Mrcro-$sllonns FILLtt 9$ SUPE$ POXY RESIN K&$ SUPER POSY THINNER t&$ SUPER POXY PRIMtR K&$ SUPER POSY PAINT K&B MIXING CUPS 138 Model Aviation IN STOCK FOR IMMEDIATE SHIPMENT New 30 CID QUADRA$20950 New 22 CEO QUADRA$10950 Rag 22 QUADRA $10450 Brisighella Flywheel $12450 Reg 22 QUADRA POWER ASSEMBLY ONLY 96450 QUADRA REPAtR 1000 plus parts Jint Manner ERCOUPEPLANS $2395 KIT $23995 Jim Messer TOMAHAWK PLANS $2395 KIT $25995 Jim Massarl-BALLTRAINER PLANS $1895 KIT $9995 BALSA BASSWOOD lou siesl 35% OFF Concept FLEET PLANS $2995 KiT $15995 COWL $1995 FLOATS 36115 scale cores $1795 complete kit $3995 FLOATS 49 h scalecoran $2195 complete kit $4795 Au CECONITE Products ionS OFF Sig J-3 CUB KIT $12496 PLANS SUPER STEARMAN lOodfreyl $2995 STARDUSTER TOO ii IBtisighellal J-3 CUB Nelit $2995 VOLKSPLANE Chicken Charliel $2395 COCKPIT KITS Tomahawk F4U-1 Spitfire $2295 Ercoupe $2095 Stearman 52295 Citehriu $2496 J-3 Cob $2195 ME-109 $2295 Fleet $2195 US Quadra FUEL TANKS1$ oz $695 32 oc $795 FIBERGLASS ARROW SHAFTS 5116 x 32 long 6/91000 24-Hour Sarsdce . Add $250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View Dr Allogany NY 14706 flexible pushrod straight end end rigid Any bend pushrod introduces probability will flex permit softness system can precipitate flutter quick check force elevator trailing edge gently through its natural arc travel moves freely rotating servo output wheel look unwanted deflection pushrod system Enclosed nylon tubular rods should tied down intervals prevent deflection Balsa dowel rods should sufficiently rigid resist bending pressure applied elevator precisely what happens air loads occur high speed Bends wire ends pushrods wire exits through fuselage side elsewhere structure often result type flexibility can lead flutter should kept mind slowflying lightweight Scale model min imum power may never encounter flutter though possessing flaws mentioned Its fast high-powered heavy types likely vic tims can happen Scale model course regardless size usually initiated speed often diving can happen wing model having no ailerons structure flexible Tightly stretched covering material good preventative measure open-framework wings Covering tends sag hot humid weather can reduce wing rigidity enought permit flutter Wings full partial sheet-balsa covering immune problem Documentation sources Offering threeview drawings photo packs enlargements Scale plans models service Scale enthusiasts will search documenta tion drawings enlarge drawings up eight feet long Scale Plans Photo Service 3209 Madison Ave Greensboro NC 27403 Catalog $3 Scale model plan-finding service will lead publication printed wanted drawings within last 50 years Three-views model drawings listed service also has limited number model drawings Gleason Enterprises Rt 2 Box 125 Austin MN 55912 photo service listing over 130 aircraft types offering color photo packs en largements Catalog 50 Ken P Kalynuk 369 Moorgate St Winnipeg Manitoba Canada R3J 2L6 Bob Dolly Wiseher S-221 Lapham Peak Rd Delafleld WI 53018 RC Aerobatics/Van Putte Continued page 49 liked Turnaround both flying judging However cant say liked same con ventional AMA Pattern much refer flying fast crisp quick conventionalpattern models though barely short being guided buzz bombs simply feel better regardless unre alistic may Thats probably because its experience lies RC Contest Board decides pass Turnaround 84 didntRMcM make mandatory classes wont end world may like change least right away Im getting pre pared First Id like thank Matt thoughtful letter has made valu able observations basis personal experience flying judging TurnContinued page 142 RIC MODEL TRANSPORTER Compact Versatile Durable Hauls 2 planes plus gear equipment will need $570 field customize inside hangers tool box etc meet eed cz S WINNERS Flat platinum coil element Ceramic core Idle Bar Idle cap January 1984 139 Great LakesPO Box 308 Tawas City Ml 48763 Model Company517362-6078 AT-6 SNJ-HARVARD Wingspan 63375 ngine y Fly List Price $28500 ory Direct $22800 Michigan residents add 4% sales tax Send SASE Brochure er Inaviries Welcome highly detailed eurathane foam kit also provides balsa wing sheeting rudder elevator ailerons detail molded ribs will show covered silkspan provided Numerous items shown photo provided such choice four different canopies scale struts len sos navigation landing & position & passing lights antenna pitot tube motor mount instrument panels necessary hardware except motor radio fuel tank Eurathane foam affected solvents such dope thinner lacquer thin ner glo fuel can painted almost type paint Coo Si 410030 HisS Maintnanc F. Alunonom ExtSnot Wood Coo Construction Stl itonnins Go, X-HAIJL ER PO Box 185 Constantine MI 49042 Ciil 616435-6905 Send S1 cataloque ox 31228 Indpls IN 46231 A
Edition: Model Aviation - 1984/01
Page Numbers: 46, 47, 135, 138, 139
Radio Control SCALE Bob & Dolly Wischer STATIC JUDGING METHOD letter David Andersen advocates acceler ated procedure static judging Read note tell about static judg ing procedure have found faster fairer static circle method completely within AMA rules During Twin City Radio Controllers annual Scale contest tried slightly dif ferent method static judging call simultaneous static judging con testants asked place airplanes documentation score forms upon designated line use taxiway line would Fifteen feet line another line string grass behind three static judges posi tioned three judges examine planes accompanying docu mentation rank order merit second pass examine planes documentation greater detail assign numerical scores three judges work independently first judge examines accuracy outline second judge determines accuracy finish color markings third judge passes quality workmanship contestants Jim McDonald rightfully proud 1/5-scaIe 1932 Vickers Jockey fighter scratch-built Hal Osbornes 3-views Span 78 weight 12 lb power plant Webra 91 4-stroke Jim says its steady rock air responds smoothly gracefully control inputs won 1st place Riverside CA 4-strnkA contest Photos Jim McDonaldI Granger Williams famed Gee Bee Z L made its tinsi riigns tnlcopee Nats model has donated Springfield Air Race Museum Krier Great Lakes R built Dale Arvin entered Giant Scale 83 Nats Model spans 80 weighs 21 lb uses Quadra 35 46 Model Aviation models annual Scale contest Twin City Radio Controllers arent lined up like lust David Andersen could take interesting photo Theyre lined up static judging using unique method devised club Details column helpers stand rotate hold aircraft required Meanwhile spectators viewed photographed airplanes other side line opposite judges experiment quite successful Judging 19 airplanes took less hourabout one-third time same judges have previously judged airplanes static circle method addition quality scores believed equitable because planes compared other planes before numerical scores assigned Thus no plane judged first summary heres formula Line up airplanes line 15 ft judges line 2 judges rank aircraft before assigning numerical scores 3 judge evaluates outline second judge evaluates finish color markings third judge evaluates workmanship described system variation has also use other contests static-judged Scale Glider event similar method employed complete job less half-hour greatest advantage direct comparisons can made between models dependence upon memory advantage would lost however total quantity models too large models couldnt dis played single line However average contest about 20 airplanes judged system speeds static judging process Updated aluminum finish July 1982 column description procedure burnishing aluminum dope simulate polished metal technique con sists adding No 200 Superfine Leaf Alu minum Powder Crescent Bronze Powder Co clear dope sprayed Continued page 135 riurlel nuSSlimouk s 1-arman ousuque pon caie entry L tfle Nats classic antique model spans 80 built Tuiui 1-umploK won trophy Best Senior Sport Scale Expert Nats Sopwith Tabloid R Scratch-built model e weighs 101/2 lb spans 65 uses Enya 60 power What contrast B-29 behind Sand dolla bill postage handling name addrnas nor 2-pagn nataing nI RIC sailplanns sport planns spnrt stain atnns norms CATALOG 1CO Prinnsrangn 1mm 52495 tn 59495 Kits nan hnsnenat year neal dealnr t h calinir# h1& lPbUhnk j SAIIPLANES 0 SPORT POWER PLANES SPORT SCAL 1 575 OSAWE STREET BAld MARCOS CALIFORNIA SEC SAILPLANES R/C COMPETITION & SPORT January 1984 47 SCALE R/C JEMCO SPORT SCALE BALSA COVEREO FOAM WING CORES SPORT R/C FOR BARNSTORMERS AND STUDENTS 72 Ill SpanK-14 3haur baiIltiapl/ aStIr Span k-IS ROB BUILDS WING STAB & FUSELAGE IHOICE OF MODELERS THE WORLD OVERI— Standard 69~ Fuse-Jig1000 Full House $7995 Wing Jig Wing & Jig Ajustojig CoR R Box 673Noblesville Indiana 46060317 877-2223 Whether consider yourself novice oran expert model builder A-Justo Jig will improve aircraft construc tion valuable time bargain AJusto-Jig holds major com ponents proper alignment entire unit will rotate 36O permit fit glue plank shape sand con venient position No messy glu ing over plans waiting dry before beginning opposite side A-Justo-Jig will adjust rib former spacing lets build-in wing dihedral strong Warp-free construction TO USE simple template rib indexing tool included locate drill holes rib alignment rods easy preparation takes approx 15 minutes average wing A-Justo-Jig builds em better Ask favorite hobby dealer Youll glad did guarantee J&Z Products 25029 S Vermont Ave Harbor City CA 90710 Zinger props P K Products PO Box 6226 Hayward CA 94540 Superstarter Roush Manufacturing Rear 3405 Cleveland Ave SW Canton OH 44707 Cobra lop Flite Models 1901 N Narragansett Chicago IL 60639 Trinden Manufacturing Ltd PO Box 544 Huron Park Ont Canada NOM IYO Quadra RC ScalelWischers Continued page 47 over dope epoxy polyester resin base model burnish dope after thorough drying using paper wad such facial tissue kitchen towel obtain metallic sheen surface subsequently found thtt effort re quired burnishing sheen could considerably reduced dipping paper wad raw No 200 powder process easier also promotes much greater uniformity color attain able previously amount powder picked up paper wad very small Continued page 138 Free-Flight Nordic A12 Classic Frank EhIings NORDIC 72' ory Direct $1000Kt#G6 PostPaid Ljst $2950 ~2Wingspa N C 6409 Airfoil 5269 Sq Area CA ZAIC Co Inc 893 Lexington Ave Brooklyn N Y 11221 tJe2uY odThuv Id / ____-4_____ fl 7\ think plane has bit vibration problem Ace January 1984 135 Ace high MK II An updated 2 sport modeL fuselage die cut pop ply goes Designed bygether minutes cysno acrylate adhesives Cyano 50L202-AceliighMKIIKit $2395 Send $200 complete Spun orct~catalog Add $100 handling *11 ngth w___on direct orders Weight 30% Power 049 051 engines Higginaville Mo 64037 Functions2chenne 816484-7121 Converting Gb En gines Ignition has advantages such Savings cost fuel Less oily mess no Plugs burn out Use boats Cars Planes helicopters Can adapted Larger engines place Flywheel Thus saving weight No machine work volved needed screw driver drill Most available Gb en gines can converted features yours wirn new- en IILDtIL MARf K 2 CDITwo four cycles pointless system oints worry aboutTwins etc unit comes predrilled disk sensor formed clamp mounting t sensor engine Complete instructions convertion timing procedures cluded Unit operates 48 v Low current drain Weight 2 ozs size 2 x 2x 75 0 inches needed complete system Ignition coil spark plug andComplete system oni off switch available separately complete system fuel 5 ignition lines included No batteries includedl State engine size use ordering FABFIIONICSCash MO Certified Check plus $300 postage handling 1586 Via Riverapersonal checks take time clear Calif residents add tax San Lorenzo CA 94580 Brochure $1 00 refundable purchase RC Scale/Wischers Continued page 135 seems paper barely covered aluminum color powder appears plate itself onto doped surface very little effort indi vidual aluminum flakes laid flat max imum reflectivity especially helpful burnishing over rivets made dabs R/C-56 glue because rivets tend melt frictional heat rubbing too vigorous quantity aluminum powder substrate aluminum dope becomes less critical allowing greater latitude mix ing process preferred overcoat clear epoxy gloss hardener preserve metallic finish fingerprints fuel stains tarnishing main shortcoming type finish difficulty matching hues aluminum color after repair job Flutter Scale modelers aware excess speed results non-Scale appearance air seldom victims control surtace tlutter model never reaches speed could cause phenomenon occurs normal cruising speed quite possible look serious problems loose hinges pushrods torque rods operate movable surfaces Flut ter much likely occur during acro batic maneuvers speed builds point will cause surface act like flag stiff breeze Damage horns clev ises hinges control surfaces wreak havoc can usually hear control surface flut ter first sound heard vibrating buzz loud enough discerned clearly above exhaust propeller noises 50-50 chance second sound will caused destructing balsa model smites earth old faithful Ariel Sport ended its life means past summer en gine changed Webra Blackhead 60 HP 60 power better vertical performance per ceptible increase speed During 450 dive unexpected buzz heard From~jen Age 01 Aviation 22 i FAIRcHI1o control nel Kit #107 $395 099 15 EngInes 48 Wingspan Dealer & Dintribetor Inquiries Please send 509 Phone 753 273-9593 Flyline Catalog Flyline Models Inc PO Box 2136 Fairfax Virginia 22031 USA elevators became blur remains cremated After six years flying what could have caused Hard use abuse probably weakened slender aft end fuselage rapid succession snap rolls just prior flutter may also have weakened fuselage-to-stabilizer joint resulting flexibility combined unaccustomed higher speeds probably permitted flutter brought about models sudden demise could also have caused excessive elevator pushrod flexibility pushrod 116-in birch dowelwhich should have /4-in two other occasions have flut ter problems models both ailerons evident high speed dives model after loud vibratory roar lost aileron throttled quickly landed safely using remaining con trol diagnosed ailerons too thin built soft flexible balsa torque rods excessively long small diameter second model ailerons would buzz rather gently whenever speed built up wing aileron structure sufficiently strong avoid disaster annoying noise persisted until ailerons chords tapered /s-in narrower tips small change hardly noticeable appearance major wing overhaul install heavier torque rods averted control surfaces likely flutter ailerons using torque rods ailerons elude probability flutter increasing rod diameter 10-in-long torque rods deHavilland 71 Racer fabricated 9/tn-in OD aluminum tubing /4-in birch dowel epoxied pinned end As racer has subjected lot high-speed abuse no evidence aileron flutter Ailerons operated wire pushrods bellcrariks must have no free play system Long music wire pushrods within wing must supported frequent intervals fairleads can thin plywood plates cemented third fourth rib Supporting holes ply plates should slightly larger wire diameter Flutter problems elevators can often traced pushrods excessively h F Matched Performance System TOP PERFORMANCE K&$ tNGINtS Airplane 4 Marine K&$ FUELSSB GLOW PLUGS 7 tlendt4 choices Matched Finish System BEST APPEARANCE K&$ FIBtRGLASS CLOTH K&B Mrcro-$sllonns FILLtt 9$ SUPE$ POXY RESIN K&$ SUPER POSY THINNER t&$ SUPER POXY PRIMtR K&$ SUPER POSY PAINT K&B MIXING CUPS 138 Model Aviation IN STOCK FOR IMMEDIATE SHIPMENT New 30 CID QUADRA$20950 New 22 CEO QUADRA$10950 Rag 22 QUADRA $10450 Brisighella Flywheel $12450 Reg 22 QUADRA POWER ASSEMBLY ONLY 96450 QUADRA REPAtR 1000 plus parts Jint Manner ERCOUPEPLANS $2395 KIT $23995 Jim Messer TOMAHAWK PLANS $2395 KIT $25995 Jim Massarl-BALLTRAINER PLANS $1895 KIT $9995 BALSA BASSWOOD lou siesl 35% OFF Concept FLEET PLANS $2995 KiT $15995 COWL $1995 FLOATS 36115 scale cores $1795 complete kit $3995 FLOATS 49 h scalecoran $2195 complete kit $4795 Au CECONITE Products ionS OFF Sig J-3 CUB KIT $12496 PLANS SUPER STEARMAN lOodfreyl $2995 STARDUSTER TOO ii IBtisighellal J-3 CUB Nelit $2995 VOLKSPLANE Chicken Charliel $2395 COCKPIT KITS Tomahawk F4U-1 Spitfire $2295 Ercoupe $2095 Stearman 52295 Citehriu $2496 J-3 Cob $2195 ME-109 $2295 Fleet $2195 US Quadra FUEL TANKS1$ oz $695 32 oc $795 FIBERGLASS ARROW SHAFTS 5116 x 32 long 6/91000 24-Hour Sarsdce . Add $250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View Dr Allogany NY 14706 flexible pushrod straight end end rigid Any bend pushrod introduces probability will flex permit softness system can precipitate flutter quick check force elevator trailing edge gently through its natural arc travel moves freely rotating servo output wheel look unwanted deflection pushrod system Enclosed nylon tubular rods should tied down intervals prevent deflection Balsa dowel rods should sufficiently rigid resist bending pressure applied elevator precisely what happens air loads occur high speed Bends wire ends pushrods wire exits through fuselage side elsewhere structure often result type flexibility can lead flutter should kept mind slowflying lightweight Scale model min imum power may never encounter flutter though possessing flaws mentioned Its fast high-powered heavy types likely vic tims can happen Scale model course regardless size usually initiated speed often diving can happen wing model having no ailerons structure flexible Tightly stretched covering material good preventative measure open-framework wings Covering tends sag hot humid weather can reduce wing rigidity enought permit flutter Wings full partial sheet-balsa covering immune problem Documentation sources Offering threeview drawings photo packs enlargements Scale plans models service Scale enthusiasts will search documenta tion drawings enlarge drawings up eight feet long Scale Plans Photo Service 3209 Madison Ave Greensboro NC 27403 Catalog $3 Scale model plan-finding service will lead publication printed wanted drawings within last 50 years Three-views model drawings listed service also has limited number model drawings Gleason Enterprises Rt 2 Box 125 Austin MN 55912 photo service listing over 130 aircraft types offering color photo packs en largements Catalog 50 Ken P Kalynuk 369 Moorgate St Winnipeg Manitoba Canada R3J 2L6 Bob Dolly Wiseher S-221 Lapham Peak Rd Delafleld WI 53018 RC Aerobatics/Van Putte Continued page 49 liked Turnaround both flying judging However cant say liked same con ventional AMA Pattern much refer flying fast crisp quick conventionalpattern models though barely short being guided buzz bombs simply feel better regardless unre alistic may Thats probably because its experience lies RC Contest Board decides pass Turnaround 84 didntRMcM make mandatory classes wont end world may like change least right away Im getting pre pared First Id like thank Matt thoughtful letter has made valu able observations basis personal experience flying judging TurnContinued page 142 RIC MODEL TRANSPORTER Compact Versatile Durable Hauls 2 planes plus gear equipment will need $570 field customize inside hangers tool box etc meet eed cz S WINNERS Flat platinum coil element Ceramic core Idle Bar Idle cap January 1984 139 Great LakesPO Box 308 Tawas City Ml 48763 Model Company517362-6078 AT-6 SNJ-HARVARD Wingspan 63375 ngine y Fly List Price $28500 ory Direct $22800 Michigan residents add 4% sales tax Send SASE Brochure er Inaviries Welcome highly detailed eurathane foam kit also provides balsa wing sheeting rudder elevator ailerons detail molded ribs will show covered silkspan provided Numerous items shown photo provided such choice four different canopies scale struts len sos navigation landing & position & passing lights antenna pitot tube motor mount instrument panels necessary hardware except motor radio fuel tank Eurathane foam affected solvents such dope thinner lacquer thin ner glo fuel can painted almost type paint Coo Si 410030 HisS Maintnanc F. Alunonom ExtSnot Wood Coo Construction Stl itonnins Go, X-HAIJL ER PO Box 185 Constantine MI 49042 Ciil 616435-6905 Send S1 cataloque ox 31228 Indpls IN 46231 A