Control Line SCALE Bill Boss SCALE DOCUMENTATION Grin Humphries Spokane WA sent letter spoke about favorite subjectsthat proper scale documentation Grin spoke need Scale modelers especially careful terpreting three-view drawings applying interpretation building Scale model points out drawings always accurate though come sources appear beyond reproach fact instances modeler finishes model based set three-views very disappointed finds out contest plane did measure up Grin said publications have come accustomed being accurate always what seem states 1 have draw ings Nyc P-82 Twin Mustang look great until compare station number data factory station data tells inches aft nose crafts components located model P-82 drawings canopy off IX hori zontal stabilizer 12 forward Four P-82s have built past five years three wrong because based Nyc drawingsand builders didnt carefully com pare photos other data sources important point made never take set drawings final source best ways being sure three-views good comparing photographs subjects model WW 1 WW 11 eras abundance Just scan pages modeling magazines youll tum up ad vertisements books modeling subjects subject Scale documentation would like review what consider basic very important aspect Scale modelingthat making up models presentation item Scale builders pay enough attention Current AMA Scale ritIe renuire contestant provide certain amount documentation presenting model judg ing Sport Scale minimal amount docu mentation required presentation must confined equivalent six pages 8 x Il-in paper side six pages include three-view drawings series photographs show aircraft out line side front plan views proof color markings form photographs color drawing similar found Profile Publications Also included must statement modeler attesting what major com ponents did make ie canopy formed fuselages etc No points awarded pre sentation Sport Scale event However Precision Scale event its quite different event presentation can somewhat challenging efforts 50 points can added overall score 50 points awarded follows 0-15 drawings three-views 0-15 photos 0-IS proof color markings 0-5 spe cial written descriptions presentation need overly complicated Too much data just bad too little event Youcould deluge judge much data becomes impos sible him find what needs could provide little data judge cannot properly score model properly executed presentation would strikes happy medium beContinued poee 166 May 1983 69 Proof-of-scale model can easily contained stanoara looseleaf binoer nere some exampies wnicn has prepared own models L open book shows left-side front right-side details Mosquito Bomber cockpit right Section 8 notebook contains data Mosquitos color markings Note material presentation protected acetate holders well-prepared presentation will save judges much time will probably add points overall score tips column F6F-3 Hellcat Nick Mango Ringwood NJ excellent example Sport Scale model paint scheme planes flown USS Intrepid particular plane No 40467 flown Lt JO Alex Vraciu 9 confirmed kills right touch realism added addition well-executed dummy pilot appears leaving cockpit after mission model powered ST 60 has flap operation drops two 500-lb bombs WITH CLASS AND CONVENIENCE WITH ONE LIFT TO FIELD OR SLOPE 2M STANDARD OR ThE UNLIMITED SUPERSHIPS FURNITURE QUALITY MAPLE PLYWOOD AND DADO CUTS FOR AUTO-ALIGNMENT ORDER DIRECT FOR ONLY $2995 AND WE PAY POSTAGE VIA UPS COD ORDERS WELCOME WRITE OR CALL FOR FREE BROCHURE h1 WHALE HOBBIES INC 1201 CDJFFlE Ne 104HOUSTON TEXAS77019 THE SAILPLANE CADDY 713 5283152 postage Stage Ill includes Stages II above plus high-compression 95 cylinder head may require some cowl modifications model has head enclosed Price Stage Ill $42 plus $250 postage includes new engine Stage IV full competition package includes new Fox 35 engine modifications listed above plus reworked Fox Stunt Special muffler fits engine special strap will distort crankcase Stage IV costs $52 plus $250 postage Toni will prepare Stunt Special Fox muffler modifications non-binding strap pres sure fitting painting either flat black white baked $15 plus $250 postage want get engine own reworked should contact Tom special con siderations since will undoubtedly parts will have replaced can contact Tom Dixon care Controline Sales PO Box 27540 Contract Station #7 Atlanta GA 30327 Unlike some previous cottage indus tries have written about past have able deliver goods am confident Tom will follow through requests has around airplanes long time has real interest helping people hobby Speaking engines appears right now good engines available Stunt flying other time Starting off old reliables Fox 35 OS Max 35 number 40-size engines use OS Max 40 FSR HP 40 Como 40 select few K&B 40 bigger sizes engines have favorte ST 46 Max 45 FSR growing interest Supertigre 60 few people using Enya 45 Enya 49 Ever try something new Bob Hunt has suggested stunters try HB 40 PDP engine has using RC feels could well-suited Stunt said engine does peak out high rpm Max 40 45 Its something think about need plans Stunt ship hard find Going back Atlanta Tom Dixon has large number plans available drawn original plans kit parts have seen some examples plans excellent listing ones available OTS Barnstormer Mk Smoothie Veco kit Mustang Veco kit Nobler 1952 version MAN El Diablo Red Reinhardt years 1953 1965 Tom refers Nostalgia Stunt Chief Veco Thunderbird Veco Thunderbird II Veco Nobler Top Flite Ares Stuka Ambroid Cougar Ken hi Warhawk Berkeley Pow Wow Palmer Lark Mackey JayDee Falcon DOttavio Phoenician Sieverling Fierce Arrow Netze band $1200 Ruffy Lew McFarland Zilch X Jim Saftig Oriental Dee Rice Also included Ballerina Lickliter Tucker Special Bob Tucker Fl- 19 David Hemstrought Stephens Akro Dixon also has 1982 update Thunderbird 35-40-size en gines plans $7 plus 70 postage ex cept Fierce Arrow Order Tom Dixon address given below will adding plans future have particular plane would like contact him about Going back basics present time foam wing crisis John Poynter has retired foam wing business because health prob lems Brett Buck Richmond KY has tem porarily stopped making wings because cannot obtain foam have contact Bob Nicks North Carolina regard making foam Stunt wings specializes Combat wings going try Stunt wing News later However someone would like contribute hobby need foam wings great use foam wing allows both beginner expert eliminate problem warps airfoil Wing warp common problem built-up wings Stunt needs someone can produce competitive foam wing unsheeted about $20-$25 information Stunt PAMPA contact Wynn Paul /640 Mavwick Dr Lexington KY 40504 CL Scale/Boss Continued naqe 69 tween two extremes first step making up presentation gathering necessary data good three-view drawing essential noted above sure accurate Next find photos possible plane modeledespecially photos major minor details youll adding model want judges know about plane youre modeling civilian type might find local airport get out camera black white filmits cheaper color snap away sure get pictures major comopnents ie both sides engine cowling front side rear landing gear miss taking close-ups hand holds foot steps access hatches antennas lights skin details picture worth thou sand words plane military type might find subject aircraft museums about country addition three-views photos ob 166 Model Aviation tam much written data can planes general specifications ic power plant skin appli cation color markings special features youll adding model After gathering material youll need some way organize ita looseleaf binder capable holding 8 x Il-in size paper will nicely addi tion will need some typing paper acetate page holdersusually called 'page pro tectors preferably kind flat black paper set numbered 1-12 page separators Now materials hand lets start putting presentation together An easy way would satisfy judges would lay out data based judging categories specified Section 50 current AMA rules categories included presentation might follows I General Data section should contain information type plane modeled aircraft manufacturer planes use-civilian military etc addition models specifications should detailed weight length span engine power name address builder AMA number other general information deemed necessary modeler 2 Scale Authenticity Three-views other drawing data pertinent special features included model 3 Fuselage Engine Cowling Propeller data 4 Wing 5 Tail Surface 6 Landing Gear 7 Cockpit Detail 8 Color Markings Sections 9 through 12 miscellaneous use case Mosquito presentation shown accompanying photos Section 9 contained design analyusis plane judges use Section 10 contained Photo Presentation Lay out section book appropri ate photos written descriptions necessary highlight special details differences between real plane model satisfied photo selection text cover details insert acetate holders appropri ate sections looseleaf binder sec tions complete make up Table Contents front book well-executed presentation will go long way toward making judging chore easier same time will provide modeler some extra points efforts extra points eamed good presentation might what get winners circle NASA news item January 1983 issue National Association Scale Aeromodelers Newsletter contained proposal selection program used selection coun trys World Championship Scale Teams 1984 competitions held Paris France proposal suggests selection process take place specially-held single con test E P Sawyer State Park Louisville KY over three-day periodAugust 12 13 14 1983 Rules used would FA can found 1982-83 AMA rule book beginning Page 118 proposal gocs say pre-registration will required least two weeks advance contest registration fee will $50 contest would start static judging Friday 12th flying 13th 14th Saturday Sunday Both RC CL teams would selected meet proposal con cludes idea approved presented May1983 167 BEGINNERS AND NOVICE FLYERS Are hav ing trouble getting hang controlled R/C flying squirrely trainer Wait till experi ence smooth solid slow flight characteristics GOLDEN FALCON thin will say Now thats like itl~ EXPERIENCED FLYERS.Is fast-paced hotdogging trend R/C getting down would like spend really enjoyable relax ing afternoon flying field graceful yet aerobatic capabilities GOLDEN FAL CON allow just that.ENJOYI LOOK AT THESE FEATURES COMPLETE KIT.Except radio engine kit contains everything needed buiIda flying model Wheels fuel tank Super Monokote covering three types glue hardware connectors cowls etc.. nothing left out Compare other kits provide skeleton structure INSTRUCTIONS.The 48 page fully-illustrated stepby-step instruction manual takes guesswork out building radio installation PRE-FORMED PARTS.Wing saddle/windshield cowls vacuum formed ribs formers re cision die-cut several special parts injec ion molded added convenience JIG CONSTRUCTION.Six special jigs simplify assem bly holding parts alignment gluing ENGINE MOUNT.Unique mounting system allows engine tank removed seconds inspec tion replacement PURE PLEASURE.Building flying new GOLDEN FALCON sure provide enjoyable satisfying experience FOR MORE FREE INFORMATION WRITE OR CALL TODAY. ST CROIX OF PARK FALLS LTD PO BOX 279 PARK FALLS WI 54552 PHONE 715 762-3226 er Inquines Invited FOX GLOW PLUGS FOR THOSE WHO WANT THE BEST siie w $119 AC SNORT $1. RCLUNO $1 Rhodium twice expensive platinum s better glow plugs space age insulator costs glass crack use Job shops couldnt hold tolerances wanted metal parts ourselves though less 1 plug 500 fails glow FOX PLUGS THOSE WHO WANT THE BEST F OXMFG CO 6306 TOWSON AVE FORT SMITH ARK 72901 Hot Line 5011 646-1656 year future sites dates will recom mended approved even-numbered years Send C/L Scale items Bill Boss 77-06 269th World Championships held use Street New Hyde Park NY 11040 following odd-numbered years will team-selection years Editors note Bill Boss say subject time since wrote column AMA President John Grigg has approved NASA proposal So 1984 Scale Team Selec tion Finals both CL RC will held E P Sawyer State Park Louisville KY August 12-14 1983 See item dealing pro gram Competition Newslettr section issue RMcM Contest news 12th Annual Northwest Re gional Control Line Championships will held Mahlon Sweet Airport Eugene OR May 28-29 1983 Memorial Day weekend meet sponsored Eugene Prop Spinners Club Over $2000 merchandise prizes will offered addition trophies first three places 26 Control Line events being offered Among events will two Scale modelersa Profile Scale event AMA Scale flyer did state whether Precision Sport details about contest contact Dave Green-CD 200 W Franklin Ave As toria OR 97103 Telephone 503 325-7005 N )2J112 60 11467 x 1652 62 12 35 000 2j 1/2 60 987 ft/sec K Efficiency correction tip speed Propulsive efficiency maximum speed K x 0 0759 x 0800 Thrust horsepower available THPa x 714 x 0607 0850 165 mph Note less thrust horsepower required model 165 mph 1134 Pitch-to-diameter ratio P/D Prop tip speed 11476 V2 2 Thrust available Ta x 375 0850 x 375 mph165 1932 lb 165 mph Conclusion power insufficient 165 mph Liebers clean system calculated THPr Example 2 Given conditions 3-bladed propeller 1134 thp required 165 mph 35000 rpm same THP used Example Problem Calculate engine bhp required design propeller furnish required thrust horsepower conditions Calculate Speed-Power Coefficient C x mph x b5 bhp5 X rpm215 0638 x 165 X l 1573 19x07x350002/5 charts C J 0807, C zero airspeed C4 Calculate propeller diameter D x V — 1056 x 165 N x J35000 x 0807 6169 3-blade Calculate propeller pitch Pitch x ir x D x tan j35 i 075 x r x 6169 x tan 213 5667 Pitch-to-diameter ratio P/D Prop tip speed [I 467V2 2 N )2]112 60 [1467 x 165 6169 12 x 350002]/2 60 ft/sec K Efficiency correction tip speed 0770 Propulsive efficiency maximum speed K x 71 x 0776 5 Thrust horsepower available THP x 17 05975 165 mph Note actually solved bhp since efficiency thrust horsepower available inputs equation BE LEADER Join NATIONAL FREE FLIGHT SOCIETY help develop thresh old low speed aeronautical tech nology NFFS AMA special interest group promotes scien tific nature model aeronautics yearly publishes SYMPOSIUM volume 10 issues NFFS DIGEST AGRESSIVE parti cipate THINKING group Checks Payable MFFS HAL WOODS JR SR/OP 707 Second St 1 YR 750 1500 Davis CA 95616 2 YR 1350 2700 168 Model Aviation CL Speed/Hempel Continued page 70 IN STOCK FOR IMMEDIATE SHIPMENT New 30 CID QUADRA $22450 New 22 CID QUADRA *10950 Reg 22 QUADRA $10450 Brisighella Flywheel$1245O Reg 22 QUADRA POWER ASSEMBLY ONLY$6450 QUADRA REPAIR 000 pIus parts Jin Masse ERCOUPEPLANS $2396 KIT $22995 Jim Messer TOMAHAWKPLANS $2390 KIT $24995 Jim Messer 8BALL TRAINER PLANS $1896 KIT $9996 BALSA BASSWOOD sizesl 35% OFF Concept FLEET PLANS $2996 KIT $17995 COWL $1996 P&W RADIAL ENGINES Fleet $2296 VICKERS LEWIS MACHINE GUN KITS $1496 CECONITE Products 10% OFF Sig J3 CUB KIT $12996 PLANS SUPER STEARMAN V Godfreyl $2800 STARDUSTER TOO V. IBrisighellal V J-3 CUB Nelit $1996 VOLKEPLANE V Chicken Cherliel $2396 COCKPIT KITS Tomahawk F4U-1 Spitfire $2195 Ercoupe $1996 Stearman $2295 Citebria $2096 J3Cub $1995 ME109 $2150 Fleet $2096 US Quadra FUELTANKSlEoz $e96 32oz $796 FIBERGLASS ARROW SHAFTS 5116 x22 long 6$1000 24-Hour Service. Add $250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View Dr Allegany NY 14706
Edition: Model Aviation - 1983/05
Page Numbers: 69, 166, 167, 168
Control Line SCALE Bill Boss SCALE DOCUMENTATION Grin Humphries Spokane WA sent letter spoke about favorite subjectsthat proper scale documentation Grin spoke need Scale modelers especially careful terpreting three-view drawings applying interpretation building Scale model points out drawings always accurate though come sources appear beyond reproach fact instances modeler finishes model based set three-views very disappointed finds out contest plane did measure up Grin said publications have come accustomed being accurate always what seem states 1 have draw ings Nyc P-82 Twin Mustang look great until compare station number data factory station data tells inches aft nose crafts components located model P-82 drawings canopy off IX hori zontal stabilizer 12 forward Four P-82s have built past five years three wrong because based Nyc drawingsand builders didnt carefully com pare photos other data sources important point made never take set drawings final source best ways being sure three-views good comparing photographs subjects model WW 1 WW 11 eras abundance Just scan pages modeling magazines youll tum up ad vertisements books modeling subjects subject Scale documentation would like review what consider basic very important aspect Scale modelingthat making up models presentation item Scale builders pay enough attention Current AMA Scale ritIe renuire contestant provide certain amount documentation presenting model judg ing Sport Scale minimal amount docu mentation required presentation must confined equivalent six pages 8 x Il-in paper side six pages include three-view drawings series photographs show aircraft out line side front plan views proof color markings form photographs color drawing similar found Profile Publications Also included must statement modeler attesting what major com ponents did make ie canopy formed fuselages etc No points awarded pre sentation Sport Scale event However Precision Scale event its quite different event presentation can somewhat challenging efforts 50 points can added overall score 50 points awarded follows 0-15 drawings three-views 0-15 photos 0-IS proof color markings 0-5 spe cial written descriptions presentation need overly complicated Too much data just bad too little event Youcould deluge judge much data becomes impos sible him find what needs could provide little data judge cannot properly score model properly executed presentation would strikes happy medium beContinued poee 166 May 1983 69 Proof-of-scale model can easily contained stanoara looseleaf binoer nere some exampies wnicn has prepared own models L open book shows left-side front right-side details Mosquito Bomber cockpit right Section 8 notebook contains data Mosquitos color markings Note material presentation protected acetate holders well-prepared presentation will save judges much time will probably add points overall score tips column F6F-3 Hellcat Nick Mango Ringwood NJ excellent example Sport Scale model paint scheme planes flown USS Intrepid particular plane No 40467 flown Lt JO Alex Vraciu 9 confirmed kills right touch realism added addition well-executed dummy pilot appears leaving cockpit after mission model powered ST 60 has flap operation drops two 500-lb bombs WITH CLASS AND CONVENIENCE WITH ONE LIFT TO FIELD OR SLOPE 2M STANDARD OR ThE UNLIMITED SUPERSHIPS FURNITURE QUALITY MAPLE PLYWOOD AND DADO CUTS FOR AUTO-ALIGNMENT ORDER DIRECT FOR ONLY $2995 AND WE PAY POSTAGE VIA UPS COD ORDERS WELCOME WRITE OR CALL FOR FREE BROCHURE h1 WHALE HOBBIES INC 1201 CDJFFlE Ne 104HOUSTON TEXAS77019 THE SAILPLANE CADDY 713 5283152 postage Stage Ill includes Stages II above plus high-compression 95 cylinder head may require some cowl modifications model has head enclosed Price Stage Ill $42 plus $250 postage includes new engine Stage IV full competition package includes new Fox 35 engine modifications listed above plus reworked Fox Stunt Special muffler fits engine special strap will distort crankcase Stage IV costs $52 plus $250 postage Toni will prepare Stunt Special Fox muffler modifications non-binding strap pres sure fitting painting either flat black white baked $15 plus $250 postage want get engine own reworked should contact Tom special con siderations since will undoubtedly parts will have replaced can contact Tom Dixon care Controline Sales PO Box 27540 Contract Station #7 Atlanta GA 30327 Unlike some previous cottage indus tries have written about past have able deliver goods am confident Tom will follow through requests has around airplanes long time has real interest helping people hobby Speaking engines appears right now good engines available Stunt flying other time Starting off old reliables Fox 35 OS Max 35 number 40-size engines use OS Max 40 FSR HP 40 Como 40 select few K&B 40 bigger sizes engines have favorte ST 46 Max 45 FSR growing interest Supertigre 60 few people using Enya 45 Enya 49 Ever try something new Bob Hunt has suggested stunters try HB 40 PDP engine has using RC feels could well-suited Stunt said engine does peak out high rpm Max 40 45 Its something think about need plans Stunt ship hard find Going back Atlanta Tom Dixon has large number plans available drawn original plans kit parts have seen some examples plans excellent listing ones available OTS Barnstormer Mk Smoothie Veco kit Mustang Veco kit Nobler 1952 version MAN El Diablo Red Reinhardt years 1953 1965 Tom refers Nostalgia Stunt Chief Veco Thunderbird Veco Thunderbird II Veco Nobler Top Flite Ares Stuka Ambroid Cougar Ken hi Warhawk Berkeley Pow Wow Palmer Lark Mackey JayDee Falcon DOttavio Phoenician Sieverling Fierce Arrow Netze band $1200 Ruffy Lew McFarland Zilch X Jim Saftig Oriental Dee Rice Also included Ballerina Lickliter Tucker Special Bob Tucker Fl- 19 David Hemstrought Stephens Akro Dixon also has 1982 update Thunderbird 35-40-size en gines plans $7 plus 70 postage ex cept Fierce Arrow Order Tom Dixon address given below will adding plans future have particular plane would like contact him about Going back basics present time foam wing crisis John Poynter has retired foam wing business because health prob lems Brett Buck Richmond KY has tem porarily stopped making wings because cannot obtain foam have contact Bob Nicks North Carolina regard making foam Stunt wings specializes Combat wings going try Stunt wing News later However someone would like contribute hobby need foam wings great use foam wing allows both beginner expert eliminate problem warps airfoil Wing warp common problem built-up wings Stunt needs someone can produce competitive foam wing unsheeted about $20-$25 information Stunt PAMPA contact Wynn Paul /640 Mavwick Dr Lexington KY 40504 CL Scale/Boss Continued naqe 69 tween two extremes first step making up presentation gathering necessary data good three-view drawing essential noted above sure accurate Next find photos possible plane modeledespecially photos major minor details youll adding model want judges know about plane youre modeling civilian type might find local airport get out camera black white filmits cheaper color snap away sure get pictures major comopnents ie both sides engine cowling front side rear landing gear miss taking close-ups hand holds foot steps access hatches antennas lights skin details picture worth thou sand words plane military type might find subject aircraft museums about country addition three-views photos ob 166 Model Aviation tam much written data can planes general specifications ic power plant skin appli cation color markings special features youll adding model After gathering material youll need some way organize ita looseleaf binder capable holding 8 x Il-in size paper will nicely addi tion will need some typing paper acetate page holdersusually called 'page pro tectors preferably kind flat black paper set numbered 1-12 page separators Now materials hand lets start putting presentation together An easy way would satisfy judges would lay out data based judging categories specified Section 50 current AMA rules categories included presentation might follows I General Data section should contain information type plane modeled aircraft manufacturer planes use-civilian military etc addition models specifications should detailed weight length span engine power name address builder AMA number other general information deemed necessary modeler 2 Scale Authenticity Three-views other drawing data pertinent special features included model 3 Fuselage Engine Cowling Propeller data 4 Wing 5 Tail Surface 6 Landing Gear 7 Cockpit Detail 8 Color Markings Sections 9 through 12 miscellaneous use case Mosquito presentation shown accompanying photos Section 9 contained design analyusis plane judges use Section 10 contained Photo Presentation Lay out section book appropri ate photos written descriptions necessary highlight special details differences between real plane model satisfied photo selection text cover details insert acetate holders appropri ate sections looseleaf binder sec tions complete make up Table Contents front book well-executed presentation will go long way toward making judging chore easier same time will provide modeler some extra points efforts extra points eamed good presentation might what get winners circle NASA news item January 1983 issue National Association Scale Aeromodelers Newsletter contained proposal selection program used selection coun trys World Championship Scale Teams 1984 competitions held Paris France proposal suggests selection process take place specially-held single con test E P Sawyer State Park Louisville KY over three-day periodAugust 12 13 14 1983 Rules used would FA can found 1982-83 AMA rule book beginning Page 118 proposal gocs say pre-registration will required least two weeks advance contest registration fee will $50 contest would start static judging Friday 12th flying 13th 14th Saturday Sunday Both RC CL teams would selected meet proposal con cludes idea approved presented May1983 167 BEGINNERS AND NOVICE FLYERS Are hav ing trouble getting hang controlled R/C flying squirrely trainer Wait till experi ence smooth solid slow flight characteristics GOLDEN FALCON thin will say Now thats like itl~ EXPERIENCED FLYERS.Is fast-paced hotdogging trend R/C getting down would like spend really enjoyable relax ing afternoon flying field graceful yet aerobatic capabilities GOLDEN FAL CON allow just that.ENJOYI LOOK AT THESE FEATURES COMPLETE KIT.Except radio engine kit contains everything needed buiIda flying model Wheels fuel tank Super Monokote covering three types glue hardware connectors cowls etc.. nothing left out Compare other kits provide skeleton structure INSTRUCTIONS.The 48 page fully-illustrated stepby-step instruction manual takes guesswork out building radio installation PRE-FORMED PARTS.Wing saddle/windshield cowls vacuum formed ribs formers re cision die-cut several special parts injec ion molded added convenience JIG CONSTRUCTION.Six special jigs simplify assem bly holding parts alignment gluing ENGINE MOUNT.Unique mounting system allows engine tank removed seconds inspec tion replacement PURE PLEASURE.Building flying new GOLDEN FALCON sure provide enjoyable satisfying experience FOR MORE FREE INFORMATION WRITE OR CALL TODAY. ST CROIX OF PARK FALLS LTD PO BOX 279 PARK FALLS WI 54552 PHONE 715 762-3226 er Inquines Invited FOX GLOW PLUGS FOR THOSE WHO WANT THE BEST siie w $119 AC SNORT $1. RCLUNO $1 Rhodium twice expensive platinum s better glow plugs space age insulator costs glass crack use Job shops couldnt hold tolerances wanted metal parts ourselves though less 1 plug 500 fails glow FOX PLUGS THOSE WHO WANT THE BEST F OXMFG CO 6306 TOWSON AVE FORT SMITH ARK 72901 Hot Line 5011 646-1656 year future sites dates will recom mended approved even-numbered years Send C/L Scale items Bill Boss 77-06 269th World Championships held use Street New Hyde Park NY 11040 following odd-numbered years will team-selection years Editors note Bill Boss say subject time since wrote column AMA President John Grigg has approved NASA proposal So 1984 Scale Team Selec tion Finals both CL RC will held E P Sawyer State Park Louisville KY August 12-14 1983 See item dealing pro gram Competition Newslettr section issue RMcM Contest news 12th Annual Northwest Re gional Control Line Championships will held Mahlon Sweet Airport Eugene OR May 28-29 1983 Memorial Day weekend meet sponsored Eugene Prop Spinners Club Over $2000 merchandise prizes will offered addition trophies first three places 26 Control Line events being offered Among events will two Scale modelersa Profile Scale event AMA Scale flyer did state whether Precision Sport details about contest contact Dave Green-CD 200 W Franklin Ave As toria OR 97103 Telephone 503 325-7005 N )2J112 60 11467 x 1652 62 12 35 000 2j 1/2 60 987 ft/sec K Efficiency correction tip speed Propulsive efficiency maximum speed K x 0 0759 x 0800 Thrust horsepower available THPa x 714 x 0607 0850 165 mph Note less thrust horsepower required model 165 mph 1134 Pitch-to-diameter ratio P/D Prop tip speed 11476 V2 2 Thrust available Ta x 375 0850 x 375 mph165 1932 lb 165 mph Conclusion power insufficient 165 mph Liebers clean system calculated THPr Example 2 Given conditions 3-bladed propeller 1134 thp required 165 mph 35000 rpm same THP used Example Problem Calculate engine bhp required design propeller furnish required thrust horsepower conditions Calculate Speed-Power Coefficient C x mph x b5 bhp5 X rpm215 0638 x 165 X l 1573 19x07x350002/5 charts C J 0807, C zero airspeed C4 Calculate propeller diameter D x V — 1056 x 165 N x J35000 x 0807 6169 3-blade Calculate propeller pitch Pitch x ir x D x tan j35 i 075 x r x 6169 x tan 213 5667 Pitch-to-diameter ratio P/D Prop tip speed [I 467V2 2 N )2]112 60 [1467 x 165 6169 12 x 350002]/2 60 ft/sec K Efficiency correction tip speed 0770 Propulsive efficiency maximum speed K x 71 x 0776 5 Thrust horsepower available THP x 17 05975 165 mph Note actually solved bhp since efficiency thrust horsepower available inputs equation BE LEADER Join NATIONAL FREE FLIGHT SOCIETY help develop thresh old low speed aeronautical tech nology NFFS AMA special interest group promotes scien tific nature model aeronautics yearly publishes SYMPOSIUM volume 10 issues NFFS DIGEST AGRESSIVE parti cipate THINKING group Checks Payable MFFS HAL WOODS JR SR/OP 707 Second St 1 YR 750 1500 Davis CA 95616 2 YR 1350 2700 168 Model Aviation CL Speed/Hempel Continued page 70 IN STOCK FOR IMMEDIATE SHIPMENT New 30 CID QUADRA $22450 New 22 CID QUADRA *10950 Reg 22 QUADRA $10450 Brisighella Flywheel$1245O Reg 22 QUADRA POWER ASSEMBLY ONLY$6450 QUADRA REPAIR 000 pIus parts Jin Masse ERCOUPEPLANS $2396 KIT $22995 Jim Messer TOMAHAWKPLANS $2390 KIT $24995 Jim Messer 8BALL TRAINER PLANS $1896 KIT $9996 BALSA BASSWOOD sizesl 35% OFF Concept FLEET PLANS $2996 KIT $17995 COWL $1996 P&W RADIAL ENGINES Fleet $2296 VICKERS LEWIS MACHINE GUN KITS $1496 CECONITE Products 10% OFF Sig J3 CUB KIT $12996 PLANS SUPER STEARMAN V Godfreyl $2800 STARDUSTER TOO V. IBrisighellal V J-3 CUB Nelit $1996 VOLKEPLANE V Chicken Cherliel $2396 COCKPIT KITS Tomahawk F4U-1 Spitfire $2195 Ercoupe $1996 Stearman $2295 Citebria $2096 J3Cub $1995 ME109 $2150 Fleet $2096 US Quadra FUELTANKSlEoz $e96 32oz $796 FIBERGLASS ARROW SHAFTS 5116 x22 long 6$1000 24-Hour Service. Add $250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View Dr Allegany NY 14706
Edition: Model Aviation - 1983/05
Page Numbers: 69, 166, 167, 168
Control Line SCALE Bill Boss SCALE DOCUMENTATION Grin Humphries Spokane WA sent letter spoke about favorite subjectsthat proper scale documentation Grin spoke need Scale modelers especially careful terpreting three-view drawings applying interpretation building Scale model points out drawings always accurate though come sources appear beyond reproach fact instances modeler finishes model based set three-views very disappointed finds out contest plane did measure up Grin said publications have come accustomed being accurate always what seem states 1 have draw ings Nyc P-82 Twin Mustang look great until compare station number data factory station data tells inches aft nose crafts components located model P-82 drawings canopy off IX hori zontal stabilizer 12 forward Four P-82s have built past five years three wrong because based Nyc drawingsand builders didnt carefully com pare photos other data sources important point made never take set drawings final source best ways being sure three-views good comparing photographs subjects model WW 1 WW 11 eras abundance Just scan pages modeling magazines youll tum up ad vertisements books modeling subjects subject Scale documentation would like review what consider basic very important aspect Scale modelingthat making up models presentation item Scale builders pay enough attention Current AMA Scale ritIe renuire contestant provide certain amount documentation presenting model judg ing Sport Scale minimal amount docu mentation required presentation must confined equivalent six pages 8 x Il-in paper side six pages include three-view drawings series photographs show aircraft out line side front plan views proof color markings form photographs color drawing similar found Profile Publications Also included must statement modeler attesting what major com ponents did make ie canopy formed fuselages etc No points awarded pre sentation Sport Scale event However Precision Scale event its quite different event presentation can somewhat challenging efforts 50 points can added overall score 50 points awarded follows 0-15 drawings three-views 0-15 photos 0-IS proof color markings 0-5 spe cial written descriptions presentation need overly complicated Too much data just bad too little event Youcould deluge judge much data becomes impos sible him find what needs could provide little data judge cannot properly score model properly executed presentation would strikes happy medium beContinued poee 166 May 1983 69 Proof-of-scale model can easily contained stanoara looseleaf binoer nere some exampies wnicn has prepared own models L open book shows left-side front right-side details Mosquito Bomber cockpit right Section 8 notebook contains data Mosquitos color markings Note material presentation protected acetate holders well-prepared presentation will save judges much time will probably add points overall score tips column F6F-3 Hellcat Nick Mango Ringwood NJ excellent example Sport Scale model paint scheme planes flown USS Intrepid particular plane No 40467 flown Lt JO Alex Vraciu 9 confirmed kills right touch realism added addition well-executed dummy pilot appears leaving cockpit after mission model powered ST 60 has flap operation drops two 500-lb bombs WITH CLASS AND CONVENIENCE WITH ONE LIFT TO FIELD OR SLOPE 2M STANDARD OR ThE UNLIMITED SUPERSHIPS FURNITURE QUALITY MAPLE PLYWOOD AND DADO CUTS FOR AUTO-ALIGNMENT ORDER DIRECT FOR ONLY $2995 AND WE PAY POSTAGE VIA UPS COD ORDERS WELCOME WRITE OR CALL FOR FREE BROCHURE h1 WHALE HOBBIES INC 1201 CDJFFlE Ne 104HOUSTON TEXAS77019 THE SAILPLANE CADDY 713 5283152 postage Stage Ill includes Stages II above plus high-compression 95 cylinder head may require some cowl modifications model has head enclosed Price Stage Ill $42 plus $250 postage includes new engine Stage IV full competition package includes new Fox 35 engine modifications listed above plus reworked Fox Stunt Special muffler fits engine special strap will distort crankcase Stage IV costs $52 plus $250 postage Toni will prepare Stunt Special Fox muffler modifications non-binding strap pres sure fitting painting either flat black white baked $15 plus $250 postage want get engine own reworked should contact Tom special con siderations since will undoubtedly parts will have replaced can contact Tom Dixon care Controline Sales PO Box 27540 Contract Station #7 Atlanta GA 30327 Unlike some previous cottage indus tries have written about past have able deliver goods am confident Tom will follow through requests has around airplanes long time has real interest helping people hobby Speaking engines appears right now good engines available Stunt flying other time Starting off old reliables Fox 35 OS Max 35 number 40-size engines use OS Max 40 FSR HP 40 Como 40 select few K&B 40 bigger sizes engines have favorte ST 46 Max 45 FSR growing interest Supertigre 60 few people using Enya 45 Enya 49 Ever try something new Bob Hunt has suggested stunters try HB 40 PDP engine has using RC feels could well-suited Stunt said engine does peak out high rpm Max 40 45 Its something think about need plans Stunt ship hard find Going back Atlanta Tom Dixon has large number plans available drawn original plans kit parts have seen some examples plans excellent listing ones available OTS Barnstormer Mk Smoothie Veco kit Mustang Veco kit Nobler 1952 version MAN El Diablo Red Reinhardt years 1953 1965 Tom refers Nostalgia Stunt Chief Veco Thunderbird Veco Thunderbird II Veco Nobler Top Flite Ares Stuka Ambroid Cougar Ken hi Warhawk Berkeley Pow Wow Palmer Lark Mackey JayDee Falcon DOttavio Phoenician Sieverling Fierce Arrow Netze band $1200 Ruffy Lew McFarland Zilch X Jim Saftig Oriental Dee Rice Also included Ballerina Lickliter Tucker Special Bob Tucker Fl- 19 David Hemstrought Stephens Akro Dixon also has 1982 update Thunderbird 35-40-size en gines plans $7 plus 70 postage ex cept Fierce Arrow Order Tom Dixon address given below will adding plans future have particular plane would like contact him about Going back basics present time foam wing crisis John Poynter has retired foam wing business because health prob lems Brett Buck Richmond KY has tem porarily stopped making wings because cannot obtain foam have contact Bob Nicks North Carolina regard making foam Stunt wings specializes Combat wings going try Stunt wing News later However someone would like contribute hobby need foam wings great use foam wing allows both beginner expert eliminate problem warps airfoil Wing warp common problem built-up wings Stunt needs someone can produce competitive foam wing unsheeted about $20-$25 information Stunt PAMPA contact Wynn Paul /640 Mavwick Dr Lexington KY 40504 CL Scale/Boss Continued naqe 69 tween two extremes first step making up presentation gathering necessary data good three-view drawing essential noted above sure accurate Next find photos possible plane modeledespecially photos major minor details youll adding model want judges know about plane youre modeling civilian type might find local airport get out camera black white filmits cheaper color snap away sure get pictures major comopnents ie both sides engine cowling front side rear landing gear miss taking close-ups hand holds foot steps access hatches antennas lights skin details picture worth thou sand words plane military type might find subject aircraft museums about country addition three-views photos ob 166 Model Aviation tam much written data can planes general specifications ic power plant skin appli cation color markings special features youll adding model After gathering material youll need some way organize ita looseleaf binder capable holding 8 x Il-in size paper will nicely addi tion will need some typing paper acetate page holdersusually called 'page pro tectors preferably kind flat black paper set numbered 1-12 page separators Now materials hand lets start putting presentation together An easy way would satisfy judges would lay out data based judging categories specified Section 50 current AMA rules categories included presentation might follows I General Data section should contain information type plane modeled aircraft manufacturer planes use-civilian military etc addition models specifications should detailed weight length span engine power name address builder AMA number other general information deemed necessary modeler 2 Scale Authenticity Three-views other drawing data pertinent special features included model 3 Fuselage Engine Cowling Propeller data 4 Wing 5 Tail Surface 6 Landing Gear 7 Cockpit Detail 8 Color Markings Sections 9 through 12 miscellaneous use case Mosquito presentation shown accompanying photos Section 9 contained design analyusis plane judges use Section 10 contained Photo Presentation Lay out section book appropri ate photos written descriptions necessary highlight special details differences between real plane model satisfied photo selection text cover details insert acetate holders appropri ate sections looseleaf binder sec tions complete make up Table Contents front book well-executed presentation will go long way toward making judging chore easier same time will provide modeler some extra points efforts extra points eamed good presentation might what get winners circle NASA news item January 1983 issue National Association Scale Aeromodelers Newsletter contained proposal selection program used selection coun trys World Championship Scale Teams 1984 competitions held Paris France proposal suggests selection process take place specially-held single con test E P Sawyer State Park Louisville KY over three-day periodAugust 12 13 14 1983 Rules used would FA can found 1982-83 AMA rule book beginning Page 118 proposal gocs say pre-registration will required least two weeks advance contest registration fee will $50 contest would start static judging Friday 12th flying 13th 14th Saturday Sunday Both RC CL teams would selected meet proposal con cludes idea approved presented May1983 167 BEGINNERS AND NOVICE FLYERS Are hav ing trouble getting hang controlled R/C flying squirrely trainer Wait till experi ence smooth solid slow flight characteristics GOLDEN FALCON thin will say Now thats like itl~ EXPERIENCED FLYERS.Is fast-paced hotdogging trend R/C getting down would like spend really enjoyable relax ing afternoon flying field graceful yet aerobatic capabilities GOLDEN FAL CON allow just that.ENJOYI LOOK AT THESE FEATURES COMPLETE KIT.Except radio engine kit contains everything needed buiIda flying model Wheels fuel tank Super Monokote covering three types glue hardware connectors cowls etc.. nothing left out Compare other kits provide skeleton structure INSTRUCTIONS.The 48 page fully-illustrated stepby-step instruction manual takes guesswork out building radio installation PRE-FORMED PARTS.Wing saddle/windshield cowls vacuum formed ribs formers re cision die-cut several special parts injec ion molded added convenience JIG CONSTRUCTION.Six special jigs simplify assem bly holding parts alignment gluing ENGINE MOUNT.Unique mounting system allows engine tank removed seconds inspec tion replacement PURE PLEASURE.Building flying new GOLDEN FALCON sure provide enjoyable satisfying experience FOR MORE FREE INFORMATION WRITE OR CALL TODAY. ST CROIX OF PARK FALLS LTD PO BOX 279 PARK FALLS WI 54552 PHONE 715 762-3226 er Inquines Invited FOX GLOW PLUGS FOR THOSE WHO WANT THE BEST siie w $119 AC SNORT $1. RCLUNO $1 Rhodium twice expensive platinum s better glow plugs space age insulator costs glass crack use Job shops couldnt hold tolerances wanted metal parts ourselves though less 1 plug 500 fails glow FOX PLUGS THOSE WHO WANT THE BEST F OXMFG CO 6306 TOWSON AVE FORT SMITH ARK 72901 Hot Line 5011 646-1656 year future sites dates will recom mended approved even-numbered years Send C/L Scale items Bill Boss 77-06 269th World Championships held use Street New Hyde Park NY 11040 following odd-numbered years will team-selection years Editors note Bill Boss say subject time since wrote column AMA President John Grigg has approved NASA proposal So 1984 Scale Team Selec tion Finals both CL RC will held E P Sawyer State Park Louisville KY August 12-14 1983 See item dealing pro gram Competition Newslettr section issue RMcM Contest news 12th Annual Northwest Re gional Control Line Championships will held Mahlon Sweet Airport Eugene OR May 28-29 1983 Memorial Day weekend meet sponsored Eugene Prop Spinners Club Over $2000 merchandise prizes will offered addition trophies first three places 26 Control Line events being offered Among events will two Scale modelersa Profile Scale event AMA Scale flyer did state whether Precision Sport details about contest contact Dave Green-CD 200 W Franklin Ave As toria OR 97103 Telephone 503 325-7005 N )2J112 60 11467 x 1652 62 12 35 000 2j 1/2 60 987 ft/sec K Efficiency correction tip speed Propulsive efficiency maximum speed K x 0 0759 x 0800 Thrust horsepower available THPa x 714 x 0607 0850 165 mph Note less thrust horsepower required model 165 mph 1134 Pitch-to-diameter ratio P/D Prop tip speed 11476 V2 2 Thrust available Ta x 375 0850 x 375 mph165 1932 lb 165 mph Conclusion power insufficient 165 mph Liebers clean system calculated THPr Example 2 Given conditions 3-bladed propeller 1134 thp required 165 mph 35000 rpm same THP used Example Problem Calculate engine bhp required design propeller furnish required thrust horsepower conditions Calculate Speed-Power Coefficient C x mph x b5 bhp5 X rpm215 0638 x 165 X l 1573 19x07x350002/5 charts C J 0807, C zero airspeed C4 Calculate propeller diameter D x V — 1056 x 165 N x J35000 x 0807 6169 3-blade Calculate propeller pitch Pitch x ir x D x tan j35 i 075 x r x 6169 x tan 213 5667 Pitch-to-diameter ratio P/D Prop tip speed [I 467V2 2 N )2]112 60 [1467 x 165 6169 12 x 350002]/2 60 ft/sec K Efficiency correction tip speed 0770 Propulsive efficiency maximum speed K x 71 x 0776 5 Thrust horsepower available THP x 17 05975 165 mph Note actually solved bhp since efficiency thrust horsepower available inputs equation BE LEADER Join NATIONAL FREE FLIGHT SOCIETY help develop thresh old low speed aeronautical tech nology NFFS AMA special interest group promotes scien tific nature model aeronautics yearly publishes SYMPOSIUM volume 10 issues NFFS DIGEST AGRESSIVE parti cipate THINKING group Checks Payable MFFS HAL WOODS JR SR/OP 707 Second St 1 YR 750 1500 Davis CA 95616 2 YR 1350 2700 168 Model Aviation CL Speed/Hempel Continued page 70 IN STOCK FOR IMMEDIATE SHIPMENT New 30 CID QUADRA $22450 New 22 CID QUADRA *10950 Reg 22 QUADRA $10450 Brisighella Flywheel$1245O Reg 22 QUADRA POWER ASSEMBLY ONLY$6450 QUADRA REPAIR 000 pIus parts Jin Masse ERCOUPEPLANS $2396 KIT $22995 Jim Messer TOMAHAWKPLANS $2390 KIT $24995 Jim Messer 8BALL TRAINER PLANS $1896 KIT $9996 BALSA BASSWOOD sizesl 35% OFF Concept FLEET PLANS $2996 KIT $17995 COWL $1996 P&W RADIAL ENGINES Fleet $2296 VICKERS LEWIS MACHINE GUN KITS $1496 CECONITE Products 10% OFF Sig J3 CUB KIT $12996 PLANS SUPER STEARMAN V Godfreyl $2800 STARDUSTER TOO V. IBrisighellal V J-3 CUB Nelit $1996 VOLKEPLANE V Chicken Cherliel $2396 COCKPIT KITS Tomahawk F4U-1 Spitfire $2195 Ercoupe $1996 Stearman $2295 Citebria $2096 J3Cub $1995 ME109 $2150 Fleet $2096 US Quadra FUELTANKSlEoz $e96 32oz $796 FIBERGLASS ARROW SHAFTS 5116 x22 long 6$1000 24-Hour Service. Add $250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View Dr Allegany NY 14706
Edition: Model Aviation - 1983/05
Page Numbers: 69, 166, 167, 168
Control Line SCALE Bill Boss SCALE DOCUMENTATION Grin Humphries Spokane WA sent letter spoke about favorite subjectsthat proper scale documentation Grin spoke need Scale modelers especially careful terpreting three-view drawings applying interpretation building Scale model points out drawings always accurate though come sources appear beyond reproach fact instances modeler finishes model based set three-views very disappointed finds out contest plane did measure up Grin said publications have come accustomed being accurate always what seem states 1 have draw ings Nyc P-82 Twin Mustang look great until compare station number data factory station data tells inches aft nose crafts components located model P-82 drawings canopy off IX hori zontal stabilizer 12 forward Four P-82s have built past five years three wrong because based Nyc drawingsand builders didnt carefully com pare photos other data sources important point made never take set drawings final source best ways being sure three-views good comparing photographs subjects model WW 1 WW 11 eras abundance Just scan pages modeling magazines youll tum up ad vertisements books modeling subjects subject Scale documentation would like review what consider basic very important aspect Scale modelingthat making up models presentation item Scale builders pay enough attention Current AMA Scale ritIe renuire contestant provide certain amount documentation presenting model judg ing Sport Scale minimal amount docu mentation required presentation must confined equivalent six pages 8 x Il-in paper side six pages include three-view drawings series photographs show aircraft out line side front plan views proof color markings form photographs color drawing similar found Profile Publications Also included must statement modeler attesting what major com ponents did make ie canopy formed fuselages etc No points awarded pre sentation Sport Scale event However Precision Scale event its quite different event presentation can somewhat challenging efforts 50 points can added overall score 50 points awarded follows 0-15 drawings three-views 0-15 photos 0-IS proof color markings 0-5 spe cial written descriptions presentation need overly complicated Too much data just bad too little event Youcould deluge judge much data becomes impos sible him find what needs could provide little data judge cannot properly score model properly executed presentation would strikes happy medium beContinued poee 166 May 1983 69 Proof-of-scale model can easily contained stanoara looseleaf binoer nere some exampies wnicn has prepared own models L open book shows left-side front right-side details Mosquito Bomber cockpit right Section 8 notebook contains data Mosquitos color markings Note material presentation protected acetate holders well-prepared presentation will save judges much time will probably add points overall score tips column F6F-3 Hellcat Nick Mango Ringwood NJ excellent example Sport Scale model paint scheme planes flown USS Intrepid particular plane No 40467 flown Lt JO Alex Vraciu 9 confirmed kills right touch realism added addition well-executed dummy pilot appears leaving cockpit after mission model powered ST 60 has flap operation drops two 500-lb bombs WITH CLASS AND CONVENIENCE WITH ONE LIFT TO FIELD OR SLOPE 2M STANDARD OR ThE UNLIMITED SUPERSHIPS FURNITURE QUALITY MAPLE PLYWOOD AND DADO CUTS FOR AUTO-ALIGNMENT ORDER DIRECT FOR ONLY $2995 AND WE PAY POSTAGE VIA UPS COD ORDERS WELCOME WRITE OR CALL FOR FREE BROCHURE h1 WHALE HOBBIES INC 1201 CDJFFlE Ne 104HOUSTON TEXAS77019 THE SAILPLANE CADDY 713 5283152 postage Stage Ill includes Stages II above plus high-compression 95 cylinder head may require some cowl modifications model has head enclosed Price Stage Ill $42 plus $250 postage includes new engine Stage IV full competition package includes new Fox 35 engine modifications listed above plus reworked Fox Stunt Special muffler fits engine special strap will distort crankcase Stage IV costs $52 plus $250 postage Toni will prepare Stunt Special Fox muffler modifications non-binding strap pres sure fitting painting either flat black white baked $15 plus $250 postage want get engine own reworked should contact Tom special con siderations since will undoubtedly parts will have replaced can contact Tom Dixon care Controline Sales PO Box 27540 Contract Station #7 Atlanta GA 30327 Unlike some previous cottage indus tries have written about past have able deliver goods am confident Tom will follow through requests has around airplanes long time has real interest helping people hobby Speaking engines appears right now good engines available Stunt flying other time Starting off old reliables Fox 35 OS Max 35 number 40-size engines use OS Max 40 FSR HP 40 Como 40 select few K&B 40 bigger sizes engines have favorte ST 46 Max 45 FSR growing interest Supertigre 60 few people using Enya 45 Enya 49 Ever try something new Bob Hunt has suggested stunters try HB 40 PDP engine has using RC feels could well-suited Stunt said engine does peak out high rpm Max 40 45 Its something think about need plans Stunt ship hard find Going back Atlanta Tom Dixon has large number plans available drawn original plans kit parts have seen some examples plans excellent listing ones available OTS Barnstormer Mk Smoothie Veco kit Mustang Veco kit Nobler 1952 version MAN El Diablo Red Reinhardt years 1953 1965 Tom refers Nostalgia Stunt Chief Veco Thunderbird Veco Thunderbird II Veco Nobler Top Flite Ares Stuka Ambroid Cougar Ken hi Warhawk Berkeley Pow Wow Palmer Lark Mackey JayDee Falcon DOttavio Phoenician Sieverling Fierce Arrow Netze band $1200 Ruffy Lew McFarland Zilch X Jim Saftig Oriental Dee Rice Also included Ballerina Lickliter Tucker Special Bob Tucker Fl- 19 David Hemstrought Stephens Akro Dixon also has 1982 update Thunderbird 35-40-size en gines plans $7 plus 70 postage ex cept Fierce Arrow Order Tom Dixon address given below will adding plans future have particular plane would like contact him about Going back basics present time foam wing crisis John Poynter has retired foam wing business because health prob lems Brett Buck Richmond KY has tem porarily stopped making wings because cannot obtain foam have contact Bob Nicks North Carolina regard making foam Stunt wings specializes Combat wings going try Stunt wing News later However someone would like contribute hobby need foam wings great use foam wing allows both beginner expert eliminate problem warps airfoil Wing warp common problem built-up wings Stunt needs someone can produce competitive foam wing unsheeted about $20-$25 information Stunt PAMPA contact Wynn Paul /640 Mavwick Dr Lexington KY 40504 CL Scale/Boss Continued naqe 69 tween two extremes first step making up presentation gathering necessary data good three-view drawing essential noted above sure accurate Next find photos possible plane modeledespecially photos major minor details youll adding model want judges know about plane youre modeling civilian type might find local airport get out camera black white filmits cheaper color snap away sure get pictures major comopnents ie both sides engine cowling front side rear landing gear miss taking close-ups hand holds foot steps access hatches antennas lights skin details picture worth thou sand words plane military type might find subject aircraft museums about country addition three-views photos ob 166 Model Aviation tam much written data can planes general specifications ic power plant skin appli cation color markings special features youll adding model After gathering material youll need some way organize ita looseleaf binder capable holding 8 x Il-in size paper will nicely addi tion will need some typing paper acetate page holdersusually called 'page pro tectors preferably kind flat black paper set numbered 1-12 page separators Now materials hand lets start putting presentation together An easy way would satisfy judges would lay out data based judging categories specified Section 50 current AMA rules categories included presentation might follows I General Data section should contain information type plane modeled aircraft manufacturer planes use-civilian military etc addition models specifications should detailed weight length span engine power name address builder AMA number other general information deemed necessary modeler 2 Scale Authenticity Three-views other drawing data pertinent special features included model 3 Fuselage Engine Cowling Propeller data 4 Wing 5 Tail Surface 6 Landing Gear 7 Cockpit Detail 8 Color Markings Sections 9 through 12 miscellaneous use case Mosquito presentation shown accompanying photos Section 9 contained design analyusis plane judges use Section 10 contained Photo Presentation Lay out section book appropri ate photos written descriptions necessary highlight special details differences between real plane model satisfied photo selection text cover details insert acetate holders appropri ate sections looseleaf binder sec tions complete make up Table Contents front book well-executed presentation will go long way toward making judging chore easier same time will provide modeler some extra points efforts extra points eamed good presentation might what get winners circle NASA news item January 1983 issue National Association Scale Aeromodelers Newsletter contained proposal selection program used selection coun trys World Championship Scale Teams 1984 competitions held Paris France proposal suggests selection process take place specially-held single con test E P Sawyer State Park Louisville KY over three-day periodAugust 12 13 14 1983 Rules used would FA can found 1982-83 AMA rule book beginning Page 118 proposal gocs say pre-registration will required least two weeks advance contest registration fee will $50 contest would start static judging Friday 12th flying 13th 14th Saturday Sunday Both RC CL teams would selected meet proposal con cludes idea approved presented May1983 167 BEGINNERS AND NOVICE FLYERS Are hav ing trouble getting hang controlled R/C flying squirrely trainer Wait till experi ence smooth solid slow flight characteristics GOLDEN FALCON thin will say Now thats like itl~ EXPERIENCED FLYERS.Is fast-paced hotdogging trend R/C getting down would like spend really enjoyable relax ing afternoon flying field graceful yet aerobatic capabilities GOLDEN FAL CON allow just that.ENJOYI LOOK AT THESE FEATURES COMPLETE KIT.Except radio engine kit contains everything needed buiIda flying model Wheels fuel tank Super Monokote covering three types glue hardware connectors cowls etc.. nothing left out Compare other kits provide skeleton structure INSTRUCTIONS.The 48 page fully-illustrated stepby-step instruction manual takes guesswork out building radio installation PRE-FORMED PARTS.Wing saddle/windshield cowls vacuum formed ribs formers re cision die-cut several special parts injec ion molded added convenience JIG CONSTRUCTION.Six special jigs simplify assem bly holding parts alignment gluing ENGINE MOUNT.Unique mounting system allows engine tank removed seconds inspec tion replacement PURE PLEASURE.Building flying new GOLDEN FALCON sure provide enjoyable satisfying experience FOR MORE FREE INFORMATION WRITE OR CALL TODAY. ST CROIX OF PARK FALLS LTD PO BOX 279 PARK FALLS WI 54552 PHONE 715 762-3226 er Inquines Invited FOX GLOW PLUGS FOR THOSE WHO WANT THE BEST siie w $119 AC SNORT $1. RCLUNO $1 Rhodium twice expensive platinum s better glow plugs space age insulator costs glass crack use Job shops couldnt hold tolerances wanted metal parts ourselves though less 1 plug 500 fails glow FOX PLUGS THOSE WHO WANT THE BEST F OXMFG CO 6306 TOWSON AVE FORT SMITH ARK 72901 Hot Line 5011 646-1656 year future sites dates will recom mended approved even-numbered years Send C/L Scale items Bill Boss 77-06 269th World Championships held use Street New Hyde Park NY 11040 following odd-numbered years will team-selection years Editors note Bill Boss say subject time since wrote column AMA President John Grigg has approved NASA proposal So 1984 Scale Team Selec tion Finals both CL RC will held E P Sawyer State Park Louisville KY August 12-14 1983 See item dealing pro gram Competition Newslettr section issue RMcM Contest news 12th Annual Northwest Re gional Control Line Championships will held Mahlon Sweet Airport Eugene OR May 28-29 1983 Memorial Day weekend meet sponsored Eugene Prop Spinners Club Over $2000 merchandise prizes will offered addition trophies first three places 26 Control Line events being offered Among events will two Scale modelersa Profile Scale event AMA Scale flyer did state whether Precision Sport details about contest contact Dave Green-CD 200 W Franklin Ave As toria OR 97103 Telephone 503 325-7005 N )2J112 60 11467 x 1652 62 12 35 000 2j 1/2 60 987 ft/sec K Efficiency correction tip speed Propulsive efficiency maximum speed K x 0 0759 x 0800 Thrust horsepower available THPa x 714 x 0607 0850 165 mph Note less thrust horsepower required model 165 mph 1134 Pitch-to-diameter ratio P/D Prop tip speed 11476 V2 2 Thrust available Ta x 375 0850 x 375 mph165 1932 lb 165 mph Conclusion power insufficient 165 mph Liebers clean system calculated THPr Example 2 Given conditions 3-bladed propeller 1134 thp required 165 mph 35000 rpm same THP used Example Problem Calculate engine bhp required design propeller furnish required thrust horsepower conditions Calculate Speed-Power Coefficient C x mph x b5 bhp5 X rpm215 0638 x 165 X l 1573 19x07x350002/5 charts C J 0807, C zero airspeed C4 Calculate propeller diameter D x V — 1056 x 165 N x J35000 x 0807 6169 3-blade Calculate propeller pitch Pitch x ir x D x tan j35 i 075 x r x 6169 x tan 213 5667 Pitch-to-diameter ratio P/D Prop tip speed [I 467V2 2 N )2]112 60 [1467 x 165 6169 12 x 350002]/2 60 ft/sec K Efficiency correction tip speed 0770 Propulsive efficiency maximum speed K x 71 x 0776 5 Thrust horsepower available THP x 17 05975 165 mph Note actually solved bhp since efficiency thrust horsepower available inputs equation BE LEADER Join NATIONAL FREE FLIGHT SOCIETY help develop thresh old low speed aeronautical tech nology NFFS AMA special interest group promotes scien tific nature model aeronautics yearly publishes SYMPOSIUM volume 10 issues NFFS DIGEST AGRESSIVE parti cipate THINKING group Checks Payable MFFS HAL WOODS JR SR/OP 707 Second St 1 YR 750 1500 Davis CA 95616 2 YR 1350 2700 168 Model Aviation CL Speed/Hempel Continued page 70 IN STOCK FOR IMMEDIATE SHIPMENT New 30 CID QUADRA $22450 New 22 CID QUADRA *10950 Reg 22 QUADRA $10450 Brisighella Flywheel$1245O Reg 22 QUADRA POWER ASSEMBLY ONLY$6450 QUADRA REPAIR 000 pIus parts Jin Masse ERCOUPEPLANS $2396 KIT $22995 Jim Messer TOMAHAWKPLANS $2390 KIT $24995 Jim Messer 8BALL TRAINER PLANS $1896 KIT $9996 BALSA BASSWOOD sizesl 35% OFF Concept FLEET PLANS $2996 KIT $17995 COWL $1996 P&W RADIAL ENGINES Fleet $2296 VICKERS LEWIS MACHINE GUN KITS $1496 CECONITE Products 10% OFF Sig J3 CUB KIT $12996 PLANS SUPER STEARMAN V Godfreyl $2800 STARDUSTER TOO V. IBrisighellal V J-3 CUB Nelit $1996 VOLKEPLANE V Chicken Cherliel $2396 COCKPIT KITS Tomahawk F4U-1 Spitfire $2195 Ercoupe $1996 Stearman $2295 Citebria $2096 J3Cub $1995 ME109 $2150 Fleet $2096 US Quadra FUELTANKSlEoz $e96 32oz $796 FIBERGLASS ARROW SHAFTS 5116 x22 long 6$1000 24-Hour Service. Add $250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View Dr Allegany NY 14706