Control Line SCALE Bill 8058 JET SCALE form Scale modeling has disappeared scene am course referring use jet-type engines such Dyna Jet rather reciprocating-engine-driven fan units used todays Scale jet models late l950s early l960s competition complete 10 airborne laps no flight points awarded CL Scale rules page rule book jet-type models seen CL Scale competitions Expansion rules use operating features need throttle-control performance made jet Scale models less desirable com petition jet Scale modeling may have disap peared competition have least staunch believer Sam Fly Again Sam Abdow Fall River MA since 1954 has promoting flying Dyna Jet-type powered models Sams fascination jet-powered models started almost 30 years ago built flew Panther Jet designed Frank Lashek appeared Mechanix Illus trared magazine 1954 present time Sam flying two Continued page 162 December 1983 71 Sam Abdow Fall River MA firm believer jet-powered Scale models flies two ships regularly meets exhibitionseven though no longer competitive Scale various reasonslike being able throttle engine example Bill tells us lot about Sam jet models column Grumman F9F-2 Panther photo above slightly larger Convair XF-92A delta-wing research aircraft photo below Sam holding nose-high before making perfect landing delta spans 31 weighs about 6 lb flies about 85 mph Jets spectacular crowd-pleasers flownbut would never fly local field has neighbors because intense noise make look some special features Sam Abdows F9F-2 jet L note front engine mounting yoke baffle tube special fuel tank screened engine-air inlet Placement components critical proper operation engine little white wire extending forward just above engine high-tension ignition contact engines starting spark plug other photo R provides some detail engines rear mount 3 screws mounted baffle tube bearing against Dyna Jets tail pipe white layer water glass cement bonds asbestos-paper heat shield inside thfl fuselage unique rear engine mount allows tail pipe float mount expands shrinks changes its temperature engine running cherry-red heat fiwnddO PROPELLERS Made 0 yeste bo color Go GRiSH No 1 propeller True helical pitch airfoil win-power 2 Blade Tractor 53each 54535~4Soc 6364SOc 747678SOc 848688Nc 9-4969-7 9810410-6SOc 11411-611881 12412512-61U 2 Blade Pusher 5 3 5-4 6364Oc 86SOc 98106*1 3 BladeTractor 53 6364 3 BladePusher 63SOc Sizes pitches styles needs AT YOUR DEALER / Blade Metallic Aluminum color Tractor76i 8668iZ 96 106104iSO Pusher106 1U substituting sheet built-up structures Beef-up built-ups' policy universal use dethermalizers has led necessity strengthening wing structures models seems land ing shock negative load anyone planned pre-DT days popular solutions problem adding spars upper surface wing usually three evenly-spaced strips /x-in deep needed equally-spaced first 30% chord Hmm things look awful lot like torbulaiors devices disturb airflow ever slightly effect increase lift multi-spars called de signers also help maintain airfoil shape reducing covering sag between ribs question comes up fairly often skull sessions does modi fication violate modification rule no question turbulators improve lift Some time ago Ive lost issue National Free Flight Society pub lished paper Symposium report effective placement turbulator cords upper surface Nordic glider wings author advocated trimming glider perfectly straight hand-glide dead-calm conditions preferably gymnasium Once achieved turhulator cord taped place wing other remaining unturbulated model hand glided observed turning ten dency turbulated wing would rise its additional lift causing model turn toward unturbulated wing cord position relocated test re peated final proper location turbulator determined position generating turn As further evidence affects multispars once Starduster 900 mediocre glide No amount trimming seemed increase glide performance GRISH LARGE WOOD PROPELLERS HARDWOOD too hard minimizes Thance costly plane engine damage True pitch airfoil fully finished balanced ready coating 3/B BOREALL SIZES IN18 57 6810 12 PITCH 20B 22 10 24 13 IN 8&1OPITCH 26 $16 inUBROS 0 ST JOHN INDIANA 46373 Out desperation removed covering installed three /x X /4 edge auxil iary spars spaced between leading edge main spar Result instant glide im provement Let make perfectly clear have heard before am condemning practice myself Im relating concern Contest Di rector could disquality such modified model welcome comments subject New kits Old-Timer modelers would never consider building kit some its matter pride others its selec tion wood deters hut us finding free time getting little scar cer year kits substantially reduce building time years P&W Models has pro ducing partial kits selected Old-Timers case wondering what partial kit simply curved pans ribs formers wing tips rudder outline etc modeler supplies strip wood sheet stock local hobby shop Hobby Horn 15173 Moran St PO Box 2212 Westminister CA 92683 has carried P&W line some time Chit Sheet edited Bob Sliff has just announced four new P&W partial kits will also offer ing full kits some popular models circuit Lanzo Record Breaker 96-in span 1256 sq Megow Super Quaker 76-in span 746 sq Kloud King 66-in span Berkeley Brigadeer 58-in span 473 sq Most us have building projects list could ever hope build lifetime partial kits can get us little further down list Clarence Haught 3226 Honeysuckle Dr Coeur dAlene ID 83814 Two Profiles/Haught Continued oaae 69 rather extreme measure should used last resort effort takes build just models almost same required build both try both Whoever heard race chal lenger Miss Los Angeles has longer fuse lage longer motor run use balance out race Wind both models pin propellers Launch Miss Los Angeles first thenquicklythe Travel Air flight times patterns should about same Have own Bendix Trophy Race own backyard Hows fun Bet ter yet get whole club fun CL Speed/Hempel Continued paqe 73 products mentioned months Speed column Master 25cc Cipilla 15 diesel available Bayou Products PO Box 8628 New Orleans LA 70182 Phone 1-800-535-2568 Graphite Ultra-Ply avail able Twinn-K Inc PO Box 31228 Indianapolis IN 46231 K&B Ccx 15 avail able K&B Manufacturing 12152 Woodruff Ave. Downey CA 90241 Piston Reset Tool available Davis Diesel De velopment PO Box 141 Milford CT 06460 OPS 15 available P&G Metal Products 301 N Yale Dr Garland TX 75042 Gene Hempel 301 N Yale Dr Garland TX 75042 Shopping/Young Continued oaae 80 pay grin disap pearing forked over $20 bill knowing borrow spouses never repay As left store noticed wife now wide grin face asked Whats funny dear re plied Sometimes dont realize need things Im glad came along tonight Next time think Ill stay home watch ball game boob tube CL Scale/Boss Continued page 71 models Convair XF-92A deltawing research aircraft other Grumman F9F-2 Panther Jetnot orig inal Mefhanix Illustrated design hut own Both models powered Dyna Jet engines weigh about 6 lb built scale equals ft provides models 31- 40-in wingspans respectively Both models fly ex tremely well attain speeds 75-90 mph Continued page 164 162 Model Aviation A RIGHT HAND TRACTOR TIGER TAIL 4 Ron Chidgeys latest beat series little larger lighter slower retains honest tlight character tistics its predecessors Especially recommended tor sportsman ad vanced pattern also good choice turn-around pattern Plans construction hints $995 WELLER 3 BLADE PROP very stiff molded fiberglas propellor trom England Its efficient design allows substantial reduction noise level actually improving per formance $2000 NEW NEW CLAMP IT FOREVER STAINLESS STEEL PIPE CLAMPS Light strong Low-profile seiflocking 3/16 width wont cut silicone couplers Pkg 4 clamps $295 CL Racing/Ballard Continued page 72 Junior Senior events apparently thing necessary sturdy land ing gear plenty propellers flight box Rat Racing Shark-type model An excellent set plans 1983 Nats Winning Rat Racer can purchased Mr Tim Gillott 22712 Picadore Drive Sal inas CA 93901 1 understand Racer has flown successfully several years California various modifications NEW Sleeve Puller -$795 BearIng Puller- $695 1 dia aluminum alloy tubing plug-in wings Included pair special slip-fit phenolic sockets build wing-structure 2024 alum tube 24 long socket 12 long $895/set ENGINE SLEEVE & BEARING PULLER Pull fight sleeves bearings easily damage Gone cone espanding brass ring grips sleeve bearing ID new 60s 17MM rear bearing * SpecIal * Both $1395 See Dealer Order Direct Include 75 Per Item f UPS GP Gator RIC Products 3713 Pompano Dr Pensacola FL 32514 Phone AC 904 476-8639 Tims original design received picture modified Sharks built Steve DeBord El Cajon CA modification includes full-length Harters magnesium pan flat-bottom Clark Y airfoil wing lead-out mount slots midway up board wing have enclosed photo Steves model might want modify Tims design suit own purpose Nelson 15 new-type in-head glow plug Henry Nelson Nelson Competition En gines has sent some new glow plugs produced Twinn-l integral CL Scale/Boss Continued ff0/n page 162 no Scale competition cat egory Sam can effectively enter jets always seems have both models hand demonstration purposes meets modeling shows attends addition demonstration local meets Sam has flown jets such events 1974 Aerolympics Lakehurst NJ years Nats Westover AFB Chicopee MA AMAs Grand Illusion film Seeing models airborne its flaming tail bellowing jet sound sight always tremendous crowdpleaser time interested ex periencing thrill flying jets have reasonable building experi ence would have little difficulty con structing general overall con struction plywood formers planking surfaces about same Continued page 166 part head shape 15 Scale Rac ing engine removing standard head installing special head glow plug performance increases over stan dard setup 500 O00 rpm readily noticeable Several heads used Nats excellent success very little plug element distortion Several people have asked could purchase information performance standards plugs write Henry Nel son 729 Valemont Drive Verona PA 15147 As always comments welcomed John C Ballard 10102 Kimblewick Dr Louisville KY 40223 WEDGE Stunt Combat VolV2-a-cb1b2 ablK SlDEKiEJc CII4-b2i TRAPEZOIDAL Profile Carrier Racing Vol1/jacb1--b2 TOPb2 H c~J LLEc 164 Model Aviation NEW WING TUBE & SOCKETS RECTANGULAR Racing Carrier Vol abc bMultiply times btimesc CZIIiE cLE ab TAPERED CIRCULAR Fast Rat Scale Racing Vol ~ob12 b1- b2 31416 SIDEb2 IEND U THE DEBT IN CUSTOM DESIGNS ~ASTRO HOG 20 RIC Super Stunt Training Design 54 Wingspan 25 Engines 314 size version 3-time psst Nationals winner Suitable 2 5 Channel RIO Plan N Pattern Set RCT-l @ $995 WACO SRE Cabin Biplane R/C 521/2 Wingspan 640 Sq 19 40 Engines Plan N Pattern Sets $1295 RC8S-3 4A 1 Scale 44 Long 7-K 440 Sq W 32% Span Navy F4D-1 SKYRAY Midwest Kress RK-20 Ducted Fan suggested 3-4 Channel RIG systems will fly aircraft Plan N Pattern Set RCDF1 @ $1995 otter beautifully prepared Plan Designs best Full Size Layouts Parts Drawings Bill Materials data create own replica Saves substantial amounts over full kit costs Prices br Complete Plans Sub Assembly De tailed Parts List Add $200 Mailing Tube SEND FOR BROCHURE ahead crowd New Brochure showing new designs br 1083-84 Send $100 refundable first order CLEVGIANTS GIANT SCALE BUFFS LAND Worlds Largest Gas Plans Assortment INTERNATIONALLY FAMOUS CD QUALITY MASTER MODELS PLANS 77 Loconke Sedor $25 0dFokkor 07 FIr$39 73 N Mitch So,b $4 60 Hoocord Pore Rnce $337 65 MMoroode 8-26 $42 70 R7l. Gee-Bee $327 78 Soporith Pop$24 60 Sopernorioo S6B $24 51 DO Mooqoiro Sb $38 pernrerine S68 $327 108 DO MooqoBonk $48 63 c Hocok PeE $36 61 c,rio Robin 055 $16 94 c H ock P68 Pr $547 95 510 PSI7Koydel $48 62 o h od Vogo $24 99 NSIb widon P61 $65 Poret LOS-A $28 71 DoogDc-3 Orno $29 00 e 0-B r 1 $397 95 DoogDC-3 Tron $45 nope Sporr $36 86 Cooke Seooco 13 533 Soildog 539 08 cor02L11/4 LBS $567 c-3 SpI $35 78 Acn SprPor A2 $3o 0-38 Obe $24 60 Doogloe M2 Mo $24 122 0009101 038 Ob$497 68 Brielnl Bolidna FIr $30 94 Pogee Cort Rocer 5457 59 Boco,RoceMeLA $54 71 Mo rn 810 Bonb $29 197 Oro, Boorcl 9SF $54 i~ 78 So ne 1 ww Soc $357 73 Tronol Air 6000 $24 64 Co OnebI Fl 1C2$39107 MorI MB-I Son$44 Ooehk Fl 1C2$5491 Lndkorge NO211539 66 DeHon Co,or Soc$2461 AEO GIV Lr Boor$24 62 Con MrMolligon$35108 PojrohPSlO Sr$597 94 Con Mr Molligon$45790 Woco Soporwing$39 63 Boeng p26A Fr$3675 wed6 Lyondor$32 84 Soc og P26A Fr$487ISO worId Lyonder$49 C6 Cokin $36 57 Ford Sriorrr 4-Ar 528 C17S Slog$3876 Ford Sjnrr 465$45 %cr7-S Orog$497114 Ford Sriorr 4-AT$59 11 EloOro $24 04 BeIJnyco OFJ-2 $56 82 Look 11 Elecrro 92 Looning c-2Anph "~- 630rnroo 5/W SR7$165$ OronJ2-F Dock$39 nw SR7 $24 78 OronJ2-F Dock $56 no nw SR7$3259 Onlho O1V Son$22 Fr 92-S $20 117 Onlho O1V Son $39 78S erol Fr 95-S 68 Doog 046A Oke 1188 cml Fl P2-S $457 100 Sikor 5-38 Aroph $49 %76S L Pecco Spec $45 60 Soo 100 Sport $36 63 Sky ocker 09SF-i$2090 Boo 100 Spor$49 wohk 9-40$24905rjoeALon wi,9$56 igbrog 9-30$3800 Morrin 74 04M-I$39 on-Boo An$2475 C-Pgo 0400 Sonb$35 7 jen-B AnpW$39100 8-Pgo 0400 Boor$49 ,n-f.5106990 J3 cob MChjoo Clippor 98 Lock Codon Onk$3897 MChino Clippo$69 0397 83G,or969CoIIc$287lLoncnooC-2Airlin$24 $49 08 SoWioklo Sird$45 oelI whIn,nd $24 04 Col SojIr 09934 $28 68 Ryor Nonon $39 63 Lindberg LSirioe $24 688 BornooO VOoji $39 55 CorkOjnd 9,Son 832 NO KITS AVAILABLE Price okecl o chongo iL 01n00P01VINOIOTESIfl 4TFolOElONOPlO Orb, Ocole ond Sioos 6 Spon Coorploro wIb 9oren 9on 25c Add 01 10 oIl ordo, fo chipping B joe. elc Ic USA C oS Moo BIcenboroodd 10% 120% ifby 0) jTpcoroIcoroIog$150 9,oolcrcecloOoIonOSSl *by forego odd 81 001* ~irCLEYELAND MODEL& SUPPLY Co 18387B Doereit An.CIotnd Ohio 44182 166Model Aviation regular Scale models major difference thecompetition construction within fuselagefor reason procedure posting purposes accepting mounting jet engine construction must provide proper engine cooling protection inside structure extreme heat gener ated engine accomplished two means lining inside fuselage two layers aluminum foil layer asbestos paper engine baffle-tube mounts inside finished fuselage turn surrounds engine tubes purpose direct concentrate airflow over engine cooling tube also forms rear mount engine aluminum foil asbestos paper cemented place water glass adhesive adhesive whitish power silicate sodium potassium both mtxed water forms paste used keeping aluminum foil asbestos paper place water glass powder may obtained local hardware drug stores complete fuselage construction engine installation will need make front engine mount special fuel tank air-intake opening sufficient en gine See photos details Other items will required flying model include source starting air ig nition system fuel air source can either modified hand-operated auto mobile tire pump air tank ignition system uses old Model T-type ignition coil six-volt battery coil ob tainable auto parts suppliers such JC Whitney Co fuel standard un leaded automobile gasoline hope what have presented jet models has provided some idea what jet modeling could interested obtaining complete con struction flying details plans please write Sam Abdow 246 Beattie Street Fall River MA 02723 Posting scores Under- Section 50 Para graph 3 Unified Scale Judging Regu lations AMA 1983 rule book state ment Upon completion scale judging scores will retained separate records Flight Director released en tered flight cards until entrant com pletes first flight attempts become airborne Whereupon itemized scores will posted otherwise made available Em phasis added Scale scores will pro vided models attempt flight particular section Scale rules brought attention Reuben Mac Bride Clifton NJ participant first time 1983 Nats Reubens letter praised way Scale scores posted Nats after contestant made official flight observed procedure allowed him compare per formance other contestants determine chances competition main points risk ad ditional attempts/flights Scale model unless necessary better position scores impressed Reuben local meets has participated Scale scores guarded almost point secrecy some instances until trophy time must say have agree what Reuben has stated about nonposting scores CL Scale events Northeastern states too have years participated meets individual could spite what rule book states get look own score until meet over winners nounced final thought Reuben does have way locally cant scores posted Carrier Stunt other CL event possible reasons can think post ing scores either judges Event Directors really aware scoreposting rules post scores openly order avoid possible questions controversy over particular models might have judged statically flight recommendation can make either situation contestants faced non-posting scores talk judges Event Director CD effort get situation turned around Im sure contest officials approached reasonable manner scores will get posted otherwise made available required rules posting scores meets previ ously following rule book procedures can beneficial both contestant contest management contestant will sat isfied having score posted will benefitted knowing stands times during competition con test management might benefit satisfied contestants might also re quired adequate judging job order answer questions concerning Hows Whys particular models score Good knowledgeable judges should have problems area ever some judges quite up judging chores required post scores just might forced become proficient tasks see posting scores promptly properly handled contestant con test management beneficial both resulting better-run Scale events Send items CL Scale Bill Boss 77-06 269th St New Hyde Park NY 11040 Electrics/Kopski Continued paqe 61 room hold charge Its little like pouring full water pitcher identical empty pitcher know will fit other hand some water empty poured full anyway its paper-towel time Since bat tery almost never truly empty nearly less full charge choice
Edition: Model Aviation - 1983/12
Page Numbers: 71, 162, 164, 166
Control Line SCALE Bill 8058 JET SCALE form Scale modeling has disappeared scene am course referring use jet-type engines such Dyna Jet rather reciprocating-engine-driven fan units used todays Scale jet models late l950s early l960s competition complete 10 airborne laps no flight points awarded CL Scale rules page rule book jet-type models seen CL Scale competitions Expansion rules use operating features need throttle-control performance made jet Scale models less desirable com petition jet Scale modeling may have disap peared competition have least staunch believer Sam Fly Again Sam Abdow Fall River MA since 1954 has promoting flying Dyna Jet-type powered models Sams fascination jet-powered models started almost 30 years ago built flew Panther Jet designed Frank Lashek appeared Mechanix Illus trared magazine 1954 present time Sam flying two Continued page 162 December 1983 71 Sam Abdow Fall River MA firm believer jet-powered Scale models flies two ships regularly meets exhibitionseven though no longer competitive Scale various reasonslike being able throttle engine example Bill tells us lot about Sam jet models column Grumman F9F-2 Panther photo above slightly larger Convair XF-92A delta-wing research aircraft photo below Sam holding nose-high before making perfect landing delta spans 31 weighs about 6 lb flies about 85 mph Jets spectacular crowd-pleasers flownbut would never fly local field has neighbors because intense noise make look some special features Sam Abdows F9F-2 jet L note front engine mounting yoke baffle tube special fuel tank screened engine-air inlet Placement components critical proper operation engine little white wire extending forward just above engine high-tension ignition contact engines starting spark plug other photo R provides some detail engines rear mount 3 screws mounted baffle tube bearing against Dyna Jets tail pipe white layer water glass cement bonds asbestos-paper heat shield inside thfl fuselage unique rear engine mount allows tail pipe float mount expands shrinks changes its temperature engine running cherry-red heat fiwnddO PROPELLERS Made 0 yeste bo color Go GRiSH No 1 propeller True helical pitch airfoil win-power 2 Blade Tractor 53each 54535~4Soc 6364SOc 747678SOc 848688Nc 9-4969-7 9810410-6SOc 11411-611881 12412512-61U 2 Blade Pusher 5 3 5-4 6364Oc 86SOc 98106*1 3 BladeTractor 53 6364 3 BladePusher 63SOc Sizes pitches styles needs AT YOUR DEALER / Blade Metallic Aluminum color Tractor76i 8668iZ 96 106104iSO Pusher106 1U substituting sheet built-up structures Beef-up built-ups' policy universal use dethermalizers has led necessity strengthening wing structures models seems land ing shock negative load anyone planned pre-DT days popular solutions problem adding spars upper surface wing usually three evenly-spaced strips /x-in deep needed equally-spaced first 30% chord Hmm things look awful lot like torbulaiors devices disturb airflow ever slightly effect increase lift multi-spars called de signers also help maintain airfoil shape reducing covering sag between ribs question comes up fairly often skull sessions does modi fication violate modification rule no question turbulators improve lift Some time ago Ive lost issue National Free Flight Society pub lished paper Symposium report effective placement turbulator cords upper surface Nordic glider wings author advocated trimming glider perfectly straight hand-glide dead-calm conditions preferably gymnasium Once achieved turhulator cord taped place wing other remaining unturbulated model hand glided observed turning ten dency turbulated wing would rise its additional lift causing model turn toward unturbulated wing cord position relocated test re peated final proper location turbulator determined position generating turn As further evidence affects multispars once Starduster 900 mediocre glide No amount trimming seemed increase glide performance GRISH LARGE WOOD PROPELLERS HARDWOOD too hard minimizes Thance costly plane engine damage True pitch airfoil fully finished balanced ready coating 3/B BOREALL SIZES IN18 57 6810 12 PITCH 20B 22 10 24 13 IN 8&1OPITCH 26 $16 inUBROS 0 ST JOHN INDIANA 46373 Out desperation removed covering installed three /x X /4 edge auxil iary spars spaced between leading edge main spar Result instant glide im provement Let make perfectly clear have heard before am condemning practice myself Im relating concern Contest Di rector could disquality such modified model welcome comments subject New kits Old-Timer modelers would never consider building kit some its matter pride others its selec tion wood deters hut us finding free time getting little scar cer year kits substantially reduce building time years P&W Models has pro ducing partial kits selected Old-Timers case wondering what partial kit simply curved pans ribs formers wing tips rudder outline etc modeler supplies strip wood sheet stock local hobby shop Hobby Horn 15173 Moran St PO Box 2212 Westminister CA 92683 has carried P&W line some time Chit Sheet edited Bob Sliff has just announced four new P&W partial kits will also offer ing full kits some popular models circuit Lanzo Record Breaker 96-in span 1256 sq Megow Super Quaker 76-in span 746 sq Kloud King 66-in span Berkeley Brigadeer 58-in span 473 sq Most us have building projects list could ever hope build lifetime partial kits can get us little further down list Clarence Haught 3226 Honeysuckle Dr Coeur dAlene ID 83814 Two Profiles/Haught Continued oaae 69 rather extreme measure should used last resort effort takes build just models almost same required build both try both Whoever heard race chal lenger Miss Los Angeles has longer fuse lage longer motor run use balance out race Wind both models pin propellers Launch Miss Los Angeles first thenquicklythe Travel Air flight times patterns should about same Have own Bendix Trophy Race own backyard Hows fun Bet ter yet get whole club fun CL Speed/Hempel Continued paqe 73 products mentioned months Speed column Master 25cc Cipilla 15 diesel available Bayou Products PO Box 8628 New Orleans LA 70182 Phone 1-800-535-2568 Graphite Ultra-Ply avail able Twinn-K Inc PO Box 31228 Indianapolis IN 46231 K&B Ccx 15 avail able K&B Manufacturing 12152 Woodruff Ave. Downey CA 90241 Piston Reset Tool available Davis Diesel De velopment PO Box 141 Milford CT 06460 OPS 15 available P&G Metal Products 301 N Yale Dr Garland TX 75042 Gene Hempel 301 N Yale Dr Garland TX 75042 Shopping/Young Continued oaae 80 pay grin disap pearing forked over $20 bill knowing borrow spouses never repay As left store noticed wife now wide grin face asked Whats funny dear re plied Sometimes dont realize need things Im glad came along tonight Next time think Ill stay home watch ball game boob tube CL Scale/Boss Continued page 71 models Convair XF-92A deltawing research aircraft other Grumman F9F-2 Panther Jetnot orig inal Mefhanix Illustrated design hut own Both models powered Dyna Jet engines weigh about 6 lb built scale equals ft provides models 31- 40-in wingspans respectively Both models fly ex tremely well attain speeds 75-90 mph Continued page 164 162 Model Aviation A RIGHT HAND TRACTOR TIGER TAIL 4 Ron Chidgeys latest beat series little larger lighter slower retains honest tlight character tistics its predecessors Especially recommended tor sportsman ad vanced pattern also good choice turn-around pattern Plans construction hints $995 WELLER 3 BLADE PROP very stiff molded fiberglas propellor trom England Its efficient design allows substantial reduction noise level actually improving per formance $2000 NEW NEW CLAMP IT FOREVER STAINLESS STEEL PIPE CLAMPS Light strong Low-profile seiflocking 3/16 width wont cut silicone couplers Pkg 4 clamps $295 CL Racing/Ballard Continued page 72 Junior Senior events apparently thing necessary sturdy land ing gear plenty propellers flight box Rat Racing Shark-type model An excellent set plans 1983 Nats Winning Rat Racer can purchased Mr Tim Gillott 22712 Picadore Drive Sal inas CA 93901 1 understand Racer has flown successfully several years California various modifications NEW Sleeve Puller -$795 BearIng Puller- $695 1 dia aluminum alloy tubing plug-in wings Included pair special slip-fit phenolic sockets build wing-structure 2024 alum tube 24 long socket 12 long $895/set ENGINE SLEEVE & BEARING PULLER Pull fight sleeves bearings easily damage Gone cone espanding brass ring grips sleeve bearing ID new 60s 17MM rear bearing * SpecIal * Both $1395 See Dealer Order Direct Include 75 Per Item f UPS GP Gator RIC Products 3713 Pompano Dr Pensacola FL 32514 Phone AC 904 476-8639 Tims original design received picture modified Sharks built Steve DeBord El Cajon CA modification includes full-length Harters magnesium pan flat-bottom Clark Y airfoil wing lead-out mount slots midway up board wing have enclosed photo Steves model might want modify Tims design suit own purpose Nelson 15 new-type in-head glow plug Henry Nelson Nelson Competition En gines has sent some new glow plugs produced Twinn-l integral CL Scale/Boss Continued ff0/n page 162 no Scale competition cat egory Sam can effectively enter jets always seems have both models hand demonstration purposes meets modeling shows attends addition demonstration local meets Sam has flown jets such events 1974 Aerolympics Lakehurst NJ years Nats Westover AFB Chicopee MA AMAs Grand Illusion film Seeing models airborne its flaming tail bellowing jet sound sight always tremendous crowdpleaser time interested ex periencing thrill flying jets have reasonable building experi ence would have little difficulty con structing general overall con struction plywood formers planking surfaces about same Continued page 166 part head shape 15 Scale Rac ing engine removing standard head installing special head glow plug performance increases over stan dard setup 500 O00 rpm readily noticeable Several heads used Nats excellent success very little plug element distortion Several people have asked could purchase information performance standards plugs write Henry Nel son 729 Valemont Drive Verona PA 15147 As always comments welcomed John C Ballard 10102 Kimblewick Dr Louisville KY 40223 WEDGE Stunt Combat VolV2-a-cb1b2 ablK SlDEKiEJc CII4-b2i TRAPEZOIDAL Profile Carrier Racing Vol1/jacb1--b2 TOPb2 H c~J LLEc 164 Model Aviation NEW WING TUBE & SOCKETS RECTANGULAR Racing Carrier Vol abc bMultiply times btimesc CZIIiE cLE ab TAPERED CIRCULAR Fast Rat Scale Racing Vol ~ob12 b1- b2 31416 SIDEb2 IEND U THE DEBT IN CUSTOM DESIGNS ~ASTRO HOG 20 RIC Super Stunt Training Design 54 Wingspan 25 Engines 314 size version 3-time psst Nationals winner Suitable 2 5 Channel RIO Plan N Pattern Set RCT-l @ $995 WACO SRE Cabin Biplane R/C 521/2 Wingspan 640 Sq 19 40 Engines Plan N Pattern Sets $1295 RC8S-3 4A 1 Scale 44 Long 7-K 440 Sq W 32% Span Navy F4D-1 SKYRAY Midwest Kress RK-20 Ducted Fan suggested 3-4 Channel RIG systems will fly aircraft Plan N Pattern Set RCDF1 @ $1995 otter beautifully prepared Plan Designs best Full Size Layouts Parts Drawings Bill Materials data create own replica Saves substantial amounts over full kit costs Prices br Complete Plans Sub Assembly De tailed Parts List Add $200 Mailing Tube SEND FOR BROCHURE ahead crowd New Brochure showing new designs br 1083-84 Send $100 refundable first order CLEVGIANTS GIANT SCALE BUFFS LAND Worlds Largest Gas Plans Assortment INTERNATIONALLY FAMOUS CD QUALITY MASTER MODELS PLANS 77 Loconke Sedor $25 0dFokkor 07 FIr$39 73 N Mitch So,b $4 60 Hoocord Pore Rnce $337 65 MMoroode 8-26 $42 70 R7l. Gee-Bee $327 78 Soporith Pop$24 60 Sopernorioo S6B $24 51 DO Mooqoiro Sb $38 pernrerine S68 $327 108 DO MooqoBonk $48 63 c Hocok PeE $36 61 c,rio Robin 055 $16 94 c H ock P68 Pr $547 95 510 PSI7Koydel $48 62 o h od Vogo $24 99 NSIb widon P61 $65 Poret LOS-A $28 71 DoogDc-3 Orno $29 00 e 0-B r 1 $397 95 DoogDC-3 Tron $45 nope Sporr $36 86 Cooke Seooco 13 533 Soildog 539 08 cor02L11/4 LBS $567 c-3 SpI $35 78 Acn SprPor A2 $3o 0-38 Obe $24 60 Doogloe M2 Mo $24 122 0009101 038 Ob$497 68 Brielnl Bolidna FIr $30 94 Pogee Cort Rocer 5457 59 Boco,RoceMeLA $54 71 Mo rn 810 Bonb $29 197 Oro, Boorcl 9SF $54 i~ 78 So ne 1 ww Soc $357 73 Tronol Air 6000 $24 64 Co OnebI Fl 1C2$39107 MorI MB-I Son$44 Ooehk Fl 1C2$5491 Lndkorge NO211539 66 DeHon Co,or Soc$2461 AEO GIV Lr Boor$24 62 Con MrMolligon$35108 PojrohPSlO Sr$597 94 Con Mr Molligon$45790 Woco Soporwing$39 63 Boeng p26A Fr$3675 wed6 Lyondor$32 84 Soc og P26A Fr$487ISO worId Lyonder$49 C6 Cokin $36 57 Ford Sriorrr 4-Ar 528 C17S Slog$3876 Ford Sjnrr 465$45 %cr7-S Orog$497114 Ford Sriorr 4-AT$59 11 EloOro $24 04 BeIJnyco OFJ-2 $56 82 Look 11 Elecrro 92 Looning c-2Anph "~- 630rnroo 5/W SR7$165$ OronJ2-F Dock$39 nw SR7 $24 78 OronJ2-F Dock $56 no nw SR7$3259 Onlho O1V Son$22 Fr 92-S $20 117 Onlho O1V Son $39 78S erol Fr 95-S 68 Doog 046A Oke 1188 cml Fl P2-S $457 100 Sikor 5-38 Aroph $49 %76S L Pecco Spec $45 60 Soo 100 Sport $36 63 Sky ocker 09SF-i$2090 Boo 100 Spor$49 wohk 9-40$24905rjoeALon wi,9$56 igbrog 9-30$3800 Morrin 74 04M-I$39 on-Boo An$2475 C-Pgo 0400 Sonb$35 7 jen-B AnpW$39100 8-Pgo 0400 Boor$49 ,n-f.5106990 J3 cob MChjoo Clippor 98 Lock Codon Onk$3897 MChino Clippo$69 0397 83G,or969CoIIc$287lLoncnooC-2Airlin$24 $49 08 SoWioklo Sird$45 oelI whIn,nd $24 04 Col SojIr 09934 $28 68 Ryor Nonon $39 63 Lindberg LSirioe $24 688 BornooO VOoji $39 55 CorkOjnd 9,Son 832 NO KITS AVAILABLE Price okecl o chongo iL 01n00P01VINOIOTESIfl 4TFolOElONOPlO Orb, Ocole ond Sioos 6 Spon Coorploro wIb 9oren 9on 25c Add 01 10 oIl ordo, fo chipping B joe. elc Ic USA C oS Moo BIcenboroodd 10% 120% ifby 0) jTpcoroIcoroIog$150 9,oolcrcecloOoIonOSSl *by forego odd 81 001* ~irCLEYELAND MODEL& SUPPLY Co 18387B Doereit An.CIotnd Ohio 44182 166Model Aviation regular Scale models major difference thecompetition construction within fuselagefor reason procedure posting purposes accepting mounting jet engine construction must provide proper engine cooling protection inside structure extreme heat gener ated engine accomplished two means lining inside fuselage two layers aluminum foil layer asbestos paper engine baffle-tube mounts inside finished fuselage turn surrounds engine tubes purpose direct concentrate airflow over engine cooling tube also forms rear mount engine aluminum foil asbestos paper cemented place water glass adhesive adhesive whitish power silicate sodium potassium both mtxed water forms paste used keeping aluminum foil asbestos paper place water glass powder may obtained local hardware drug stores complete fuselage construction engine installation will need make front engine mount special fuel tank air-intake opening sufficient en gine See photos details Other items will required flying model include source starting air ig nition system fuel air source can either modified hand-operated auto mobile tire pump air tank ignition system uses old Model T-type ignition coil six-volt battery coil ob tainable auto parts suppliers such JC Whitney Co fuel standard un leaded automobile gasoline hope what have presented jet models has provided some idea what jet modeling could interested obtaining complete con struction flying details plans please write Sam Abdow 246 Beattie Street Fall River MA 02723 Posting scores Under- Section 50 Para graph 3 Unified Scale Judging Regu lations AMA 1983 rule book state ment Upon completion scale judging scores will retained separate records Flight Director released en tered flight cards until entrant com pletes first flight attempts become airborne Whereupon itemized scores will posted otherwise made available Em phasis added Scale scores will pro vided models attempt flight particular section Scale rules brought attention Reuben Mac Bride Clifton NJ participant first time 1983 Nats Reubens letter praised way Scale scores posted Nats after contestant made official flight observed procedure allowed him compare per formance other contestants determine chances competition main points risk ad ditional attempts/flights Scale model unless necessary better position scores impressed Reuben local meets has participated Scale scores guarded almost point secrecy some instances until trophy time must say have agree what Reuben has stated about nonposting scores CL Scale events Northeastern states too have years participated meets individual could spite what rule book states get look own score until meet over winners nounced final thought Reuben does have way locally cant scores posted Carrier Stunt other CL event possible reasons can think post ing scores either judges Event Directors really aware scoreposting rules post scores openly order avoid possible questions controversy over particular models might have judged statically flight recommendation can make either situation contestants faced non-posting scores talk judges Event Director CD effort get situation turned around Im sure contest officials approached reasonable manner scores will get posted otherwise made available required rules posting scores meets previ ously following rule book procedures can beneficial both contestant contest management contestant will sat isfied having score posted will benefitted knowing stands times during competition con test management might benefit satisfied contestants might also re quired adequate judging job order answer questions concerning Hows Whys particular models score Good knowledgeable judges should have problems area ever some judges quite up judging chores required post scores just might forced become proficient tasks see posting scores promptly properly handled contestant con test management beneficial both resulting better-run Scale events Send items CL Scale Bill Boss 77-06 269th St New Hyde Park NY 11040 Electrics/Kopski Continued paqe 61 room hold charge Its little like pouring full water pitcher identical empty pitcher know will fit other hand some water empty poured full anyway its paper-towel time Since bat tery almost never truly empty nearly less full charge choice
Edition: Model Aviation - 1983/12
Page Numbers: 71, 162, 164, 166
Control Line SCALE Bill 8058 JET SCALE form Scale modeling has disappeared scene am course referring use jet-type engines such Dyna Jet rather reciprocating-engine-driven fan units used todays Scale jet models late l950s early l960s competition complete 10 airborne laps no flight points awarded CL Scale rules page rule book jet-type models seen CL Scale competitions Expansion rules use operating features need throttle-control performance made jet Scale models less desirable com petition jet Scale modeling may have disap peared competition have least staunch believer Sam Fly Again Sam Abdow Fall River MA since 1954 has promoting flying Dyna Jet-type powered models Sams fascination jet-powered models started almost 30 years ago built flew Panther Jet designed Frank Lashek appeared Mechanix Illus trared magazine 1954 present time Sam flying two Continued page 162 December 1983 71 Sam Abdow Fall River MA firm believer jet-powered Scale models flies two ships regularly meets exhibitionseven though no longer competitive Scale various reasonslike being able throttle engine example Bill tells us lot about Sam jet models column Grumman F9F-2 Panther photo above slightly larger Convair XF-92A delta-wing research aircraft photo below Sam holding nose-high before making perfect landing delta spans 31 weighs about 6 lb flies about 85 mph Jets spectacular crowd-pleasers flownbut would never fly local field has neighbors because intense noise make look some special features Sam Abdows F9F-2 jet L note front engine mounting yoke baffle tube special fuel tank screened engine-air inlet Placement components critical proper operation engine little white wire extending forward just above engine high-tension ignition contact engines starting spark plug other photo R provides some detail engines rear mount 3 screws mounted baffle tube bearing against Dyna Jets tail pipe white layer water glass cement bonds asbestos-paper heat shield inside thfl fuselage unique rear engine mount allows tail pipe float mount expands shrinks changes its temperature engine running cherry-red heat fiwnddO PROPELLERS Made 0 yeste bo color Go GRiSH No 1 propeller True helical pitch airfoil win-power 2 Blade Tractor 53each 54535~4Soc 6364SOc 747678SOc 848688Nc 9-4969-7 9810410-6SOc 11411-611881 12412512-61U 2 Blade Pusher 5 3 5-4 6364Oc 86SOc 98106*1 3 BladeTractor 53 6364 3 BladePusher 63SOc Sizes pitches styles needs AT YOUR DEALER / Blade Metallic Aluminum color Tractor76i 8668iZ 96 106104iSO Pusher106 1U substituting sheet built-up structures Beef-up built-ups' policy universal use dethermalizers has led necessity strengthening wing structures models seems land ing shock negative load anyone planned pre-DT days popular solutions problem adding spars upper surface wing usually three evenly-spaced strips /x-in deep needed equally-spaced first 30% chord Hmm things look awful lot like torbulaiors devices disturb airflow ever slightly effect increase lift multi-spars called de signers also help maintain airfoil shape reducing covering sag between ribs question comes up fairly often skull sessions does modi fication violate modification rule no question turbulators improve lift Some time ago Ive lost issue National Free Flight Society pub lished paper Symposium report effective placement turbulator cords upper surface Nordic glider wings author advocated trimming glider perfectly straight hand-glide dead-calm conditions preferably gymnasium Once achieved turhulator cord taped place wing other remaining unturbulated model hand glided observed turning ten dency turbulated wing would rise its additional lift causing model turn toward unturbulated wing cord position relocated test re peated final proper location turbulator determined position generating turn As further evidence affects multispars once Starduster 900 mediocre glide No amount trimming seemed increase glide performance GRISH LARGE WOOD PROPELLERS HARDWOOD too hard minimizes Thance costly plane engine damage True pitch airfoil fully finished balanced ready coating 3/B BOREALL SIZES IN18 57 6810 12 PITCH 20B 22 10 24 13 IN 8&1OPITCH 26 $16 inUBROS 0 ST JOHN INDIANA 46373 Out desperation removed covering installed three /x X /4 edge auxil iary spars spaced between leading edge main spar Result instant glide im provement Let make perfectly clear have heard before am condemning practice myself Im relating concern Contest Di rector could disquality such modified model welcome comments subject New kits Old-Timer modelers would never consider building kit some its matter pride others its selec tion wood deters hut us finding free time getting little scar cer year kits substantially reduce building time years P&W Models has pro ducing partial kits selected Old-Timers case wondering what partial kit simply curved pans ribs formers wing tips rudder outline etc modeler supplies strip wood sheet stock local hobby shop Hobby Horn 15173 Moran St PO Box 2212 Westminister CA 92683 has carried P&W line some time Chit Sheet edited Bob Sliff has just announced four new P&W partial kits will also offer ing full kits some popular models circuit Lanzo Record Breaker 96-in span 1256 sq Megow Super Quaker 76-in span 746 sq Kloud King 66-in span Berkeley Brigadeer 58-in span 473 sq Most us have building projects list could ever hope build lifetime partial kits can get us little further down list Clarence Haught 3226 Honeysuckle Dr Coeur dAlene ID 83814 Two Profiles/Haught Continued oaae 69 rather extreme measure should used last resort effort takes build just models almost same required build both try both Whoever heard race chal lenger Miss Los Angeles has longer fuse lage longer motor run use balance out race Wind both models pin propellers Launch Miss Los Angeles first thenquicklythe Travel Air flight times patterns should about same Have own Bendix Trophy Race own backyard Hows fun Bet ter yet get whole club fun CL Speed/Hempel Continued paqe 73 products mentioned months Speed column Master 25cc Cipilla 15 diesel available Bayou Products PO Box 8628 New Orleans LA 70182 Phone 1-800-535-2568 Graphite Ultra-Ply avail able Twinn-K Inc PO Box 31228 Indianapolis IN 46231 K&B Ccx 15 avail able K&B Manufacturing 12152 Woodruff Ave. Downey CA 90241 Piston Reset Tool available Davis Diesel De velopment PO Box 141 Milford CT 06460 OPS 15 available P&G Metal Products 301 N Yale Dr Garland TX 75042 Gene Hempel 301 N Yale Dr Garland TX 75042 Shopping/Young Continued oaae 80 pay grin disap pearing forked over $20 bill knowing borrow spouses never repay As left store noticed wife now wide grin face asked Whats funny dear re plied Sometimes dont realize need things Im glad came along tonight Next time think Ill stay home watch ball game boob tube CL Scale/Boss Continued page 71 models Convair XF-92A deltawing research aircraft other Grumman F9F-2 Panther Jetnot orig inal Mefhanix Illustrated design hut own Both models powered Dyna Jet engines weigh about 6 lb built scale equals ft provides models 31- 40-in wingspans respectively Both models fly ex tremely well attain speeds 75-90 mph Continued page 164 162 Model Aviation A RIGHT HAND TRACTOR TIGER TAIL 4 Ron Chidgeys latest beat series little larger lighter slower retains honest tlight character tistics its predecessors Especially recommended tor sportsman ad vanced pattern also good choice turn-around pattern Plans construction hints $995 WELLER 3 BLADE PROP very stiff molded fiberglas propellor trom England Its efficient design allows substantial reduction noise level actually improving per formance $2000 NEW NEW CLAMP IT FOREVER STAINLESS STEEL PIPE CLAMPS Light strong Low-profile seiflocking 3/16 width wont cut silicone couplers Pkg 4 clamps $295 CL Racing/Ballard Continued page 72 Junior Senior events apparently thing necessary sturdy land ing gear plenty propellers flight box Rat Racing Shark-type model An excellent set plans 1983 Nats Winning Rat Racer can purchased Mr Tim Gillott 22712 Picadore Drive Sal inas CA 93901 1 understand Racer has flown successfully several years California various modifications NEW Sleeve Puller -$795 BearIng Puller- $695 1 dia aluminum alloy tubing plug-in wings Included pair special slip-fit phenolic sockets build wing-structure 2024 alum tube 24 long socket 12 long $895/set ENGINE SLEEVE & BEARING PULLER Pull fight sleeves bearings easily damage Gone cone espanding brass ring grips sleeve bearing ID new 60s 17MM rear bearing * SpecIal * Both $1395 See Dealer Order Direct Include 75 Per Item f UPS GP Gator RIC Products 3713 Pompano Dr Pensacola FL 32514 Phone AC 904 476-8639 Tims original design received picture modified Sharks built Steve DeBord El Cajon CA modification includes full-length Harters magnesium pan flat-bottom Clark Y airfoil wing lead-out mount slots midway up board wing have enclosed photo Steves model might want modify Tims design suit own purpose Nelson 15 new-type in-head glow plug Henry Nelson Nelson Competition En gines has sent some new glow plugs produced Twinn-l integral CL Scale/Boss Continued ff0/n page 162 no Scale competition cat egory Sam can effectively enter jets always seems have both models hand demonstration purposes meets modeling shows attends addition demonstration local meets Sam has flown jets such events 1974 Aerolympics Lakehurst NJ years Nats Westover AFB Chicopee MA AMAs Grand Illusion film Seeing models airborne its flaming tail bellowing jet sound sight always tremendous crowdpleaser time interested ex periencing thrill flying jets have reasonable building experi ence would have little difficulty con structing general overall con struction plywood formers planking surfaces about same Continued page 166 part head shape 15 Scale Rac ing engine removing standard head installing special head glow plug performance increases over stan dard setup 500 O00 rpm readily noticeable Several heads used Nats excellent success very little plug element distortion Several people have asked could purchase information performance standards plugs write Henry Nel son 729 Valemont Drive Verona PA 15147 As always comments welcomed John C Ballard 10102 Kimblewick Dr Louisville KY 40223 WEDGE Stunt Combat VolV2-a-cb1b2 ablK SlDEKiEJc CII4-b2i TRAPEZOIDAL Profile Carrier Racing Vol1/jacb1--b2 TOPb2 H c~J LLEc 164 Model Aviation NEW WING TUBE & SOCKETS RECTANGULAR Racing Carrier Vol abc bMultiply times btimesc CZIIiE cLE ab TAPERED CIRCULAR Fast Rat Scale Racing Vol ~ob12 b1- b2 31416 SIDEb2 IEND U THE DEBT IN CUSTOM DESIGNS ~ASTRO HOG 20 RIC Super Stunt Training Design 54 Wingspan 25 Engines 314 size version 3-time psst Nationals winner Suitable 2 5 Channel RIO Plan N Pattern Set RCT-l @ $995 WACO SRE Cabin Biplane R/C 521/2 Wingspan 640 Sq 19 40 Engines Plan N Pattern Sets $1295 RC8S-3 4A 1 Scale 44 Long 7-K 440 Sq W 32% Span Navy F4D-1 SKYRAY Midwest Kress RK-20 Ducted Fan suggested 3-4 Channel RIG systems will fly aircraft Plan N Pattern Set RCDF1 @ $1995 otter beautifully prepared Plan Designs best Full Size Layouts Parts Drawings Bill Materials data create own replica Saves substantial amounts over full kit costs Prices br Complete Plans Sub Assembly De tailed Parts List Add $200 Mailing Tube SEND FOR BROCHURE ahead crowd New Brochure showing new designs br 1083-84 Send $100 refundable first order CLEVGIANTS GIANT SCALE BUFFS LAND Worlds Largest Gas Plans Assortment INTERNATIONALLY FAMOUS CD QUALITY MASTER MODELS PLANS 77 Loconke Sedor $25 0dFokkor 07 FIr$39 73 N Mitch So,b $4 60 Hoocord Pore Rnce $337 65 MMoroode 8-26 $42 70 R7l. Gee-Bee $327 78 Soporith Pop$24 60 Sopernorioo S6B $24 51 DO Mooqoiro Sb $38 pernrerine S68 $327 108 DO MooqoBonk $48 63 c Hocok PeE $36 61 c,rio Robin 055 $16 94 c H ock P68 Pr $547 95 510 PSI7Koydel $48 62 o h od Vogo $24 99 NSIb widon P61 $65 Poret LOS-A $28 71 DoogDc-3 Orno $29 00 e 0-B r 1 $397 95 DoogDC-3 Tron $45 nope Sporr $36 86 Cooke Seooco 13 533 Soildog 539 08 cor02L11/4 LBS $567 c-3 SpI $35 78 Acn SprPor A2 $3o 0-38 Obe $24 60 Doogloe M2 Mo $24 122 0009101 038 Ob$497 68 Brielnl Bolidna FIr $30 94 Pogee Cort Rocer 5457 59 Boco,RoceMeLA $54 71 Mo rn 810 Bonb $29 197 Oro, Boorcl 9SF $54 i~ 78 So ne 1 ww Soc $357 73 Tronol Air 6000 $24 64 Co OnebI Fl 1C2$39107 MorI MB-I Son$44 Ooehk Fl 1C2$5491 Lndkorge NO211539 66 DeHon Co,or Soc$2461 AEO GIV Lr Boor$24 62 Con MrMolligon$35108 PojrohPSlO Sr$597 94 Con Mr Molligon$45790 Woco Soporwing$39 63 Boeng p26A Fr$3675 wed6 Lyondor$32 84 Soc og P26A Fr$487ISO worId Lyonder$49 C6 Cokin $36 57 Ford Sriorrr 4-Ar 528 C17S Slog$3876 Ford Sjnrr 465$45 %cr7-S Orog$497114 Ford Sriorr 4-AT$59 11 EloOro $24 04 BeIJnyco OFJ-2 $56 82 Look 11 Elecrro 92 Looning c-2Anph "~- 630rnroo 5/W SR7$165$ OronJ2-F Dock$39 nw SR7 $24 78 OronJ2-F Dock $56 no nw SR7$3259 Onlho O1V Son$22 Fr 92-S $20 117 Onlho O1V Son $39 78S erol Fr 95-S 68 Doog 046A Oke 1188 cml Fl P2-S $457 100 Sikor 5-38 Aroph $49 %76S L Pecco Spec $45 60 Soo 100 Sport $36 63 Sky ocker 09SF-i$2090 Boo 100 Spor$49 wohk 9-40$24905rjoeALon wi,9$56 igbrog 9-30$3800 Morrin 74 04M-I$39 on-Boo An$2475 C-Pgo 0400 Sonb$35 7 jen-B AnpW$39100 8-Pgo 0400 Boor$49 ,n-f.5106990 J3 cob MChjoo Clippor 98 Lock Codon Onk$3897 MChino Clippo$69 0397 83G,or969CoIIc$287lLoncnooC-2Airlin$24 $49 08 SoWioklo Sird$45 oelI whIn,nd $24 04 Col SojIr 09934 $28 68 Ryor Nonon $39 63 Lindberg LSirioe $24 688 BornooO VOoji $39 55 CorkOjnd 9,Son 832 NO KITS AVAILABLE Price okecl o chongo iL 01n00P01VINOIOTESIfl 4TFolOElONOPlO Orb, Ocole ond Sioos 6 Spon Coorploro wIb 9oren 9on 25c Add 01 10 oIl ordo, fo chipping B joe. elc Ic USA C oS Moo BIcenboroodd 10% 120% ifby 0) jTpcoroIcoroIog$150 9,oolcrcecloOoIonOSSl *by forego odd 81 001* ~irCLEYELAND MODEL& SUPPLY Co 18387B Doereit An.CIotnd Ohio 44182 166Model Aviation regular Scale models major difference thecompetition construction within fuselagefor reason procedure posting purposes accepting mounting jet engine construction must provide proper engine cooling protection inside structure extreme heat gener ated engine accomplished two means lining inside fuselage two layers aluminum foil layer asbestos paper engine baffle-tube mounts inside finished fuselage turn surrounds engine tubes purpose direct concentrate airflow over engine cooling tube also forms rear mount engine aluminum foil asbestos paper cemented place water glass adhesive adhesive whitish power silicate sodium potassium both mtxed water forms paste used keeping aluminum foil asbestos paper place water glass powder may obtained local hardware drug stores complete fuselage construction engine installation will need make front engine mount special fuel tank air-intake opening sufficient en gine See photos details Other items will required flying model include source starting air ig nition system fuel air source can either modified hand-operated auto mobile tire pump air tank ignition system uses old Model T-type ignition coil six-volt battery coil ob tainable auto parts suppliers such JC Whitney Co fuel standard un leaded automobile gasoline hope what have presented jet models has provided some idea what jet modeling could interested obtaining complete con struction flying details plans please write Sam Abdow 246 Beattie Street Fall River MA 02723 Posting scores Under- Section 50 Para graph 3 Unified Scale Judging Regu lations AMA 1983 rule book state ment Upon completion scale judging scores will retained separate records Flight Director released en tered flight cards until entrant com pletes first flight attempts become airborne Whereupon itemized scores will posted otherwise made available Em phasis added Scale scores will pro vided models attempt flight particular section Scale rules brought attention Reuben Mac Bride Clifton NJ participant first time 1983 Nats Reubens letter praised way Scale scores posted Nats after contestant made official flight observed procedure allowed him compare per formance other contestants determine chances competition main points risk ad ditional attempts/flights Scale model unless necessary better position scores impressed Reuben local meets has participated Scale scores guarded almost point secrecy some instances until trophy time must say have agree what Reuben has stated about nonposting scores CL Scale events Northeastern states too have years participated meets individual could spite what rule book states get look own score until meet over winners nounced final thought Reuben does have way locally cant scores posted Carrier Stunt other CL event possible reasons can think post ing scores either judges Event Directors really aware scoreposting rules post scores openly order avoid possible questions controversy over particular models might have judged statically flight recommendation can make either situation contestants faced non-posting scores talk judges Event Director CD effort get situation turned around Im sure contest officials approached reasonable manner scores will get posted otherwise made available required rules posting scores meets previ ously following rule book procedures can beneficial both contestant contest management contestant will sat isfied having score posted will benefitted knowing stands times during competition con test management might benefit satisfied contestants might also re quired adequate judging job order answer questions concerning Hows Whys particular models score Good knowledgeable judges should have problems area ever some judges quite up judging chores required post scores just might forced become proficient tasks see posting scores promptly properly handled contestant con test management beneficial both resulting better-run Scale events Send items CL Scale Bill Boss 77-06 269th St New Hyde Park NY 11040 Electrics/Kopski Continued paqe 61 room hold charge Its little like pouring full water pitcher identical empty pitcher know will fit other hand some water empty poured full anyway its paper-towel time Since bat tery almost never truly empty nearly less full charge choice
Edition: Model Aviation - 1983/12
Page Numbers: 71, 162, 164, 166
Control Line SCALE Bill 8058 JET SCALE form Scale modeling has disappeared scene am course referring use jet-type engines such Dyna Jet rather reciprocating-engine-driven fan units used todays Scale jet models late l950s early l960s competition complete 10 airborne laps no flight points awarded CL Scale rules page rule book jet-type models seen CL Scale competitions Expansion rules use operating features need throttle-control performance made jet Scale models less desirable com petition jet Scale modeling may have disap peared competition have least staunch believer Sam Fly Again Sam Abdow Fall River MA since 1954 has promoting flying Dyna Jet-type powered models Sams fascination jet-powered models started almost 30 years ago built flew Panther Jet designed Frank Lashek appeared Mechanix Illus trared magazine 1954 present time Sam flying two Continued page 162 December 1983 71 Sam Abdow Fall River MA firm believer jet-powered Scale models flies two ships regularly meets exhibitionseven though no longer competitive Scale various reasonslike being able throttle engine example Bill tells us lot about Sam jet models column Grumman F9F-2 Panther photo above slightly larger Convair XF-92A delta-wing research aircraft photo below Sam holding nose-high before making perfect landing delta spans 31 weighs about 6 lb flies about 85 mph Jets spectacular crowd-pleasers flownbut would never fly local field has neighbors because intense noise make look some special features Sam Abdows F9F-2 jet L note front engine mounting yoke baffle tube special fuel tank screened engine-air inlet Placement components critical proper operation engine little white wire extending forward just above engine high-tension ignition contact engines starting spark plug other photo R provides some detail engines rear mount 3 screws mounted baffle tube bearing against Dyna Jets tail pipe white layer water glass cement bonds asbestos-paper heat shield inside thfl fuselage unique rear engine mount allows tail pipe float mount expands shrinks changes its temperature engine running cherry-red heat fiwnddO PROPELLERS Made 0 yeste bo color Go GRiSH No 1 propeller True helical pitch airfoil win-power 2 Blade Tractor 53each 54535~4Soc 6364SOc 747678SOc 848688Nc 9-4969-7 9810410-6SOc 11411-611881 12412512-61U 2 Blade Pusher 5 3 5-4 6364Oc 86SOc 98106*1 3 BladeTractor 53 6364 3 BladePusher 63SOc Sizes pitches styles needs AT YOUR DEALER / Blade Metallic Aluminum color Tractor76i 8668iZ 96 106104iSO Pusher106 1U substituting sheet built-up structures Beef-up built-ups' policy universal use dethermalizers has led necessity strengthening wing structures models seems land ing shock negative load anyone planned pre-DT days popular solutions problem adding spars upper surface wing usually three evenly-spaced strips /x-in deep needed equally-spaced first 30% chord Hmm things look awful lot like torbulaiors devices disturb airflow ever slightly effect increase lift multi-spars called de signers also help maintain airfoil shape reducing covering sag between ribs question comes up fairly often skull sessions does modi fication violate modification rule no question turbulators improve lift Some time ago Ive lost issue National Free Flight Society pub lished paper Symposium report effective placement turbulator cords upper surface Nordic glider wings author advocated trimming glider perfectly straight hand-glide dead-calm conditions preferably gymnasium Once achieved turhulator cord taped place wing other remaining unturbulated model hand glided observed turning ten dency turbulated wing would rise its additional lift causing model turn toward unturbulated wing cord position relocated test re peated final proper location turbulator determined position generating turn As further evidence affects multispars once Starduster 900 mediocre glide No amount trimming seemed increase glide performance GRISH LARGE WOOD PROPELLERS HARDWOOD too hard minimizes Thance costly plane engine damage True pitch airfoil fully finished balanced ready coating 3/B BOREALL SIZES IN18 57 6810 12 PITCH 20B 22 10 24 13 IN 8&1OPITCH 26 $16 inUBROS 0 ST JOHN INDIANA 46373 Out desperation removed covering installed three /x X /4 edge auxil iary spars spaced between leading edge main spar Result instant glide im provement Let make perfectly clear have heard before am condemning practice myself Im relating concern Contest Di rector could disquality such modified model welcome comments subject New kits Old-Timer modelers would never consider building kit some its matter pride others its selec tion wood deters hut us finding free time getting little scar cer year kits substantially reduce building time years P&W Models has pro ducing partial kits selected Old-Timers case wondering what partial kit simply curved pans ribs formers wing tips rudder outline etc modeler supplies strip wood sheet stock local hobby shop Hobby Horn 15173 Moran St PO Box 2212 Westminister CA 92683 has carried P&W line some time Chit Sheet edited Bob Sliff has just announced four new P&W partial kits will also offer ing full kits some popular models circuit Lanzo Record Breaker 96-in span 1256 sq Megow Super Quaker 76-in span 746 sq Kloud King 66-in span Berkeley Brigadeer 58-in span 473 sq Most us have building projects list could ever hope build lifetime partial kits can get us little further down list Clarence Haught 3226 Honeysuckle Dr Coeur dAlene ID 83814 Two Profiles/Haught Continued oaae 69 rather extreme measure should used last resort effort takes build just models almost same required build both try both Whoever heard race chal lenger Miss Los Angeles has longer fuse lage longer motor run use balance out race Wind both models pin propellers Launch Miss Los Angeles first thenquicklythe Travel Air flight times patterns should about same Have own Bendix Trophy Race own backyard Hows fun Bet ter yet get whole club fun CL Speed/Hempel Continued paqe 73 products mentioned months Speed column Master 25cc Cipilla 15 diesel available Bayou Products PO Box 8628 New Orleans LA 70182 Phone 1-800-535-2568 Graphite Ultra-Ply avail able Twinn-K Inc PO Box 31228 Indianapolis IN 46231 K&B Ccx 15 avail able K&B Manufacturing 12152 Woodruff Ave. Downey CA 90241 Piston Reset Tool available Davis Diesel De velopment PO Box 141 Milford CT 06460 OPS 15 available P&G Metal Products 301 N Yale Dr Garland TX 75042 Gene Hempel 301 N Yale Dr Garland TX 75042 Shopping/Young Continued oaae 80 pay grin disap pearing forked over $20 bill knowing borrow spouses never repay As left store noticed wife now wide grin face asked Whats funny dear re plied Sometimes dont realize need things Im glad came along tonight Next time think Ill stay home watch ball game boob tube CL Scale/Boss Continued page 71 models Convair XF-92A deltawing research aircraft other Grumman F9F-2 Panther Jetnot orig inal Mefhanix Illustrated design hut own Both models powered Dyna Jet engines weigh about 6 lb built scale equals ft provides models 31- 40-in wingspans respectively Both models fly ex tremely well attain speeds 75-90 mph Continued page 164 162 Model Aviation A RIGHT HAND TRACTOR TIGER TAIL 4 Ron Chidgeys latest beat series little larger lighter slower retains honest tlight character tistics its predecessors Especially recommended tor sportsman ad vanced pattern also good choice turn-around pattern Plans construction hints $995 WELLER 3 BLADE PROP very stiff molded fiberglas propellor trom England Its efficient design allows substantial reduction noise level actually improving per formance $2000 NEW NEW CLAMP IT FOREVER STAINLESS STEEL PIPE CLAMPS Light strong Low-profile seiflocking 3/16 width wont cut silicone couplers Pkg 4 clamps $295 CL Racing/Ballard Continued page 72 Junior Senior events apparently thing necessary sturdy land ing gear plenty propellers flight box Rat Racing Shark-type model An excellent set plans 1983 Nats Winning Rat Racer can purchased Mr Tim Gillott 22712 Picadore Drive Sal inas CA 93901 1 understand Racer has flown successfully several years California various modifications NEW Sleeve Puller -$795 BearIng Puller- $695 1 dia aluminum alloy tubing plug-in wings Included pair special slip-fit phenolic sockets build wing-structure 2024 alum tube 24 long socket 12 long $895/set ENGINE SLEEVE & BEARING PULLER Pull fight sleeves bearings easily damage Gone cone espanding brass ring grips sleeve bearing ID new 60s 17MM rear bearing * SpecIal * Both $1395 See Dealer Order Direct Include 75 Per Item f UPS GP Gator RIC Products 3713 Pompano Dr Pensacola FL 32514 Phone AC 904 476-8639 Tims original design received picture modified Sharks built Steve DeBord El Cajon CA modification includes full-length Harters magnesium pan flat-bottom Clark Y airfoil wing lead-out mount slots midway up board wing have enclosed photo Steves model might want modify Tims design suit own purpose Nelson 15 new-type in-head glow plug Henry Nelson Nelson Competition En gines has sent some new glow plugs produced Twinn-l integral CL Scale/Boss Continued ff0/n page 162 no Scale competition cat egory Sam can effectively enter jets always seems have both models hand demonstration purposes meets modeling shows attends addition demonstration local meets Sam has flown jets such events 1974 Aerolympics Lakehurst NJ years Nats Westover AFB Chicopee MA AMAs Grand Illusion film Seeing models airborne its flaming tail bellowing jet sound sight always tremendous crowdpleaser time interested ex periencing thrill flying jets have reasonable building experi ence would have little difficulty con structing general overall con struction plywood formers planking surfaces about same Continued page 166 part head shape 15 Scale Rac ing engine removing standard head installing special head glow plug performance increases over stan dard setup 500 O00 rpm readily noticeable Several heads used Nats excellent success very little plug element distortion Several people have asked could purchase information performance standards plugs write Henry Nel son 729 Valemont Drive Verona PA 15147 As always comments welcomed John C Ballard 10102 Kimblewick Dr Louisville KY 40223 WEDGE Stunt Combat VolV2-a-cb1b2 ablK SlDEKiEJc CII4-b2i TRAPEZOIDAL Profile Carrier Racing Vol1/jacb1--b2 TOPb2 H c~J LLEc 164 Model Aviation NEW WING TUBE & SOCKETS RECTANGULAR Racing Carrier Vol abc bMultiply times btimesc CZIIiE cLE ab TAPERED CIRCULAR Fast Rat Scale Racing Vol ~ob12 b1- b2 31416 SIDEb2 IEND U THE DEBT IN CUSTOM DESIGNS ~ASTRO HOG 20 RIC Super Stunt Training Design 54 Wingspan 25 Engines 314 size version 3-time psst Nationals winner Suitable 2 5 Channel RIO Plan N Pattern Set RCT-l @ $995 WACO SRE Cabin Biplane R/C 521/2 Wingspan 640 Sq 19 40 Engines Plan N Pattern Sets $1295 RC8S-3 4A 1 Scale 44 Long 7-K 440 Sq W 32% Span Navy F4D-1 SKYRAY Midwest Kress RK-20 Ducted Fan suggested 3-4 Channel RIG systems will fly aircraft Plan N Pattern Set RCDF1 @ $1995 otter beautifully prepared Plan Designs best Full Size Layouts Parts Drawings Bill Materials data create own replica Saves substantial amounts over full kit costs Prices br Complete Plans Sub Assembly De tailed Parts List Add $200 Mailing Tube SEND FOR BROCHURE ahead crowd New Brochure showing new designs br 1083-84 Send $100 refundable first order CLEVGIANTS GIANT SCALE BUFFS LAND Worlds Largest Gas Plans Assortment INTERNATIONALLY FAMOUS CD QUALITY MASTER MODELS PLANS 77 Loconke Sedor $25 0dFokkor 07 FIr$39 73 N Mitch So,b $4 60 Hoocord Pore Rnce $337 65 MMoroode 8-26 $42 70 R7l. Gee-Bee $327 78 Soporith Pop$24 60 Sopernorioo S6B $24 51 DO Mooqoiro Sb $38 pernrerine S68 $327 108 DO MooqoBonk $48 63 c Hocok PeE $36 61 c,rio Robin 055 $16 94 c H ock P68 Pr $547 95 510 PSI7Koydel $48 62 o h od Vogo $24 99 NSIb widon P61 $65 Poret LOS-A $28 71 DoogDc-3 Orno $29 00 e 0-B r 1 $397 95 DoogDC-3 Tron $45 nope Sporr $36 86 Cooke Seooco 13 533 Soildog 539 08 cor02L11/4 LBS $567 c-3 SpI $35 78 Acn SprPor A2 $3o 0-38 Obe $24 60 Doogloe M2 Mo $24 122 0009101 038 Ob$497 68 Brielnl Bolidna FIr $30 94 Pogee Cort Rocer 5457 59 Boco,RoceMeLA $54 71 Mo rn 810 Bonb $29 197 Oro, Boorcl 9SF $54 i~ 78 So ne 1 ww Soc $357 73 Tronol Air 6000 $24 64 Co OnebI Fl 1C2$39107 MorI MB-I Son$44 Ooehk Fl 1C2$5491 Lndkorge NO211539 66 DeHon Co,or Soc$2461 AEO GIV Lr Boor$24 62 Con MrMolligon$35108 PojrohPSlO Sr$597 94 Con Mr Molligon$45790 Woco Soporwing$39 63 Boeng p26A Fr$3675 wed6 Lyondor$32 84 Soc og P26A Fr$487ISO worId Lyonder$49 C6 Cokin $36 57 Ford Sriorrr 4-Ar 528 C17S Slog$3876 Ford Sjnrr 465$45 %cr7-S Orog$497114 Ford Sriorr 4-AT$59 11 EloOro $24 04 BeIJnyco OFJ-2 $56 82 Look 11 Elecrro 92 Looning c-2Anph "~- 630rnroo 5/W SR7$165$ OronJ2-F Dock$39 nw SR7 $24 78 OronJ2-F Dock $56 no nw SR7$3259 Onlho O1V Son$22 Fr 92-S $20 117 Onlho O1V Son $39 78S erol Fr 95-S 68 Doog 046A Oke 1188 cml Fl P2-S $457 100 Sikor 5-38 Aroph $49 %76S L Pecco Spec $45 60 Soo 100 Sport $36 63 Sky ocker 09SF-i$2090 Boo 100 Spor$49 wohk 9-40$24905rjoeALon wi,9$56 igbrog 9-30$3800 Morrin 74 04M-I$39 on-Boo An$2475 C-Pgo 0400 Sonb$35 7 jen-B AnpW$39100 8-Pgo 0400 Boor$49 ,n-f.5106990 J3 cob MChjoo Clippor 98 Lock Codon Onk$3897 MChino Clippo$69 0397 83G,or969CoIIc$287lLoncnooC-2Airlin$24 $49 08 SoWioklo Sird$45 oelI whIn,nd $24 04 Col SojIr 09934 $28 68 Ryor Nonon $39 63 Lindberg LSirioe $24 688 BornooO VOoji $39 55 CorkOjnd 9,Son 832 NO KITS AVAILABLE Price okecl o chongo iL 01n00P01VINOIOTESIfl 4TFolOElONOPlO Orb, Ocole ond Sioos 6 Spon Coorploro wIb 9oren 9on 25c Add 01 10 oIl ordo, fo chipping B joe. elc Ic USA C oS Moo BIcenboroodd 10% 120% ifby 0) jTpcoroIcoroIog$150 9,oolcrcecloOoIonOSSl *by forego odd 81 001* ~irCLEYELAND MODEL& SUPPLY Co 18387B Doereit An.CIotnd Ohio 44182 166Model Aviation regular Scale models major difference thecompetition construction within fuselagefor reason procedure posting purposes accepting mounting jet engine construction must provide proper engine cooling protection inside structure extreme heat gener ated engine accomplished two means lining inside fuselage two layers aluminum foil layer asbestos paper engine baffle-tube mounts inside finished fuselage turn surrounds engine tubes purpose direct concentrate airflow over engine cooling tube also forms rear mount engine aluminum foil asbestos paper cemented place water glass adhesive adhesive whitish power silicate sodium potassium both mtxed water forms paste used keeping aluminum foil asbestos paper place water glass powder may obtained local hardware drug stores complete fuselage construction engine installation will need make front engine mount special fuel tank air-intake opening sufficient en gine See photos details Other items will required flying model include source starting air ig nition system fuel air source can either modified hand-operated auto mobile tire pump air tank ignition system uses old Model T-type ignition coil six-volt battery coil ob tainable auto parts suppliers such JC Whitney Co fuel standard un leaded automobile gasoline hope what have presented jet models has provided some idea what jet modeling could interested obtaining complete con struction flying details plans please write Sam Abdow 246 Beattie Street Fall River MA 02723 Posting scores Under- Section 50 Para graph 3 Unified Scale Judging Regu lations AMA 1983 rule book state ment Upon completion scale judging scores will retained separate records Flight Director released en tered flight cards until entrant com pletes first flight attempts become airborne Whereupon itemized scores will posted otherwise made available Em phasis added Scale scores will pro vided models attempt flight particular section Scale rules brought attention Reuben Mac Bride Clifton NJ participant first time 1983 Nats Reubens letter praised way Scale scores posted Nats after contestant made official flight observed procedure allowed him compare per formance other contestants determine chances competition main points risk ad ditional attempts/flights Scale model unless necessary better position scores impressed Reuben local meets has participated Scale scores guarded almost point secrecy some instances until trophy time must say have agree what Reuben has stated about nonposting scores CL Scale events Northeastern states too have years participated meets individual could spite what rule book states get look own score until meet over winners nounced final thought Reuben does have way locally cant scores posted Carrier Stunt other CL event possible reasons can think post ing scores either judges Event Directors really aware scoreposting rules post scores openly order avoid possible questions controversy over particular models might have judged statically flight recommendation can make either situation contestants faced non-posting scores talk judges Event Director CD effort get situation turned around Im sure contest officials approached reasonable manner scores will get posted otherwise made available required rules posting scores meets previ ously following rule book procedures can beneficial both contestant contest management contestant will sat isfied having score posted will benefitted knowing stands times during competition con test management might benefit satisfied contestants might also re quired adequate judging job order answer questions concerning Hows Whys particular models score Good knowledgeable judges should have problems area ever some judges quite up judging chores required post scores just might forced become proficient tasks see posting scores promptly properly handled contestant con test management beneficial both resulting better-run Scale events Send items CL Scale Bill Boss 77-06 269th St New Hyde Park NY 11040 Electrics/Kopski Continued paqe 61 room hold charge Its little like pouring full water pitcher identical empty pitcher know will fit other hand some water empty poured full anyway its paper-towel time Since bat tery almost never truly empty nearly less full charge choice