MIDWEST COMBAT Competitors EASY TO BUILDEASY TO FLY EASY TO WIN WITH P minwes PRODUCTS CO 400 South Indiana St MHobart IndIana 46342 Letters Editor letters will carefully considered general interest used Send Model Aviation 815 15th St NW Washington DC 20005 Making Record risk compounding William G Carsons bewilderment ref letter Editor May 78 MA let say didnt win Mulvihill event glorious day SHOC annual May 1969 set record 68m 54s Lee Polansky pushing gas re cord over 94 mm Bob White won because time 2 oclock contest officially ended talked continuing flying record though record shooting chased ex tra flights Red Johnson Andy Faykun timed CD John Tischler super vised whole affair staying 3 hours past close contest thats its donewith lot help little shoving George Batiuk Sr Huntsville AL Quadra Quadra dont want nit picker lot people regard magazine modelers Bible dont blame seems strange arti cles dealing scale Feb issue 1978 page 80 fail recognize differ ence between Roper Quadra en gine especially performance airplane definitely improved Quadra used Enclosed set full sized drawings Quadra identifica cation will easier Im also darned near 100% sure engine Mr Mulligan page 26 February issue also Quadra Ron Shettler Vernon BC Can Ron Shettler refers article Feb 78 issue page 80 said Andy Sheber using Roper engine large one-third size Pitts informa tion source official entry list specled engine scale models Las Vegas cowled engine easily visible entirely possible Andy switched Quadra didnt investigate plane check accuracy ofmy information second reference Roper engine included copy given MA DCRC club Bealton Scale meet used portion copy column information come did see plane Bob Wischer As Bob supposed Sheber did change engines Pitts after Vegas people printed program As Mr Mulligan information supplied MA incorrect Roper Quadra 0 Ai 6 Model Aviation IIHLY Engine Sizes 15 19 Wing Span 35W Kit contains Die cut balsa plywood parts wire hardware tank fully illustrat ed step-by-step plans vt Mn 947 LIL SNIP Engine Size 049 Cu Wing Span 25W Kit contains Die cut balsa plywood parts wire hardware tank fully illustrated step-by-step plans two versions Kit No 246 Wing Span 42 control line combat model 35 engines Designed Rich Von Lopez Kit contains Die cut balsa plywood parts wire hardware tank fully illustrated stepby-step planKit No 248 powered powerplant modified 16 Cu fl Home-Lite chain-saw engine purchased Washington-area drug st ore some stock strange things source says Home-Lite surpris ingly powerful Zonkered answer Tom Martin May 1978 issue contained error might lead little difficulty him per haps others dont adequately un derstand line position affects trim CL models stated bellcrank should mounted about inch aft CG suggested made moveable ad just line tension changes CG re quired position bellcrank position leadout guide determines yaw attitude model flight would have better suggest adjustable leadout guide bellcrank position near CG reduce leadout bending pass through guide leadout guide should positioned aft CG Six seven degrees line sweep should good starting point Zonker very well-designed model R/C Charlie Bair Milt Sanders doing canard work Ive seen Zonker other canards fly think however Zonker would make suitable CL model reason would require excessive amount ballast balance properly suitable design would have engine mounted tractor near CG Dick Perry Dayton OH Old Best dont know long has since have seen something H-Ray plane has much popularity never gets talked about magazines have H-Ray its great Ive looking around place say Now have Continued page 81 7Fox Fuel Line Models Life Blood Passes Through Simple Piece Fuel Line Surely Want Best As engine manufacturers acutely aware large portion called engine problems reality fuel line problems Symptoms fuel line trouble going lean air leaks speed fluctuations inability get rich enough high speed restricted flow Fox Fuel Lines best materials available physical proper ties selected model use Fox Fuel Lines worlds finest Tuft Line Silicone far strongest market _________ semi transparent shows bubbles line heat resis- Like silicone tubing tends slip oft fittings unless care taken Neoprene Actually complex compound much elastic clings fittings main disadvan tage transparent Surgical Tubing Pure Rubber Very flexible Use sharp bends necessary Semi-transparent Shows bubbles line Holds fittings well Main disadvantage tends deteriorate rapidly silicone neoprene Plastic good anybodys dont think much plastic fuel line Advantage low price transparency Disadvantage tends collapse bends hardens age heat Tends leak air fittings after ITEM FUEL UHf 86880 Small Neoprene2 Pkg.5086885 Small Clear Plastic2 Pkg.25 86881 Medium Neoprene2 Pkg8086886 Medium Clear Plastic2 Pkg.30 86882 Large Neoprene2 Pkg7086887 Large Clear Plastic2 Pkg.40 86883 Small Tuft Line1 Pkg5586888 Small Surgical Tubing2 Pkg.50 86884 Medium Tuft Line1 Pkg7086889 Med Surgical Tubing2 Pkg.50 86851 Large Tuft Line1 Pkg1 0086890 Large Surgical Tubing2 Pkg.60 FOX MANUFACTURING Fox Model Airplane Products 5305 Towson Smith Arkansas 72901 e 501-646-1656 Answer Thro-Channel Dilemma NIMBUS 2-channel radio system offers American engineering import prices Features include. 1 Solid state superheterodyne 2 All silicon transistor receiver circuit highly selective front end 3 RF amplifier maximum signal noise ratio unexcelled selectivity 4 2 ultra small EK SM servos greater 4 pounds output thrust 5 Receiver servos equipped 3 pin Deans gold plated plugs 6 Adjustable tension control sticks full line brochure write EK-PRODUCTS INC 3322 Stovall St Irving Texas 75061 USA Distributors dealers contact us new merchandising program 1977 EK-Products Inc 779 EK-Products July 1978 7 ERA WHERE THE ACTION IS missing lot involved exciting world FAA sport aviation Heres action can realize dreams flying e building designing raft have always dreamed about Aerobatics soaring rotary wing warbirds antiques homebuilts classics represented EAA Membership $2000 annually includes monthly SPORT AVIATION Junior 18 younger $1000 Information packsend $150 Eli/Sport Aviation Experimental Aircraft Association Inc PO Box 229/Hales Corners Wis 53130 W HAS IT Milwaukee Suburb Phone 4144254860 ALL recent article Speed Rac ing Gazette entitled Modeling Soviet Union noted Russians phe nomenal record successes Team Racing Quoting famous designer S Yakovlev said 1921 .. model glider glider air plane writer tells us shortly after WW importance model airplanes aviation national de fense recognized Russia Today DOSAAF Union Voluntary Society Cooperation Army Air Force Navy fills role AMA NAA sponsors clubs coaches provides building meeting facilities organizes produc tion materials like arti cle quotes four references including books Russians Henrick Smith Ballantine Books NY Soviet Air Force Asher Lee G Duckworth & Co Ltd London 1961 show modeling state activity serves re cruitment pool people interested Air Force Aeroflot national air line Recently Russian experts invited Korea work Korean modelers Korean record Wakefield Nordic World Cham pionships spectacular leading speculation might see North Korean entry Team Racing Russians compete events have possibility win ning may soon inaccurate lump together Iron Curtain countries nations typically display govern ment support regimented programs Mainland China has expressed interest FAI programspossibly becoming FAI member Hidden behind Great Wall China known have massive programs parachuting gliding airplane modelingshe claims 350000 model clubs estimated 3000000 parachutistsoutside mil itary developing full-scale aero batic program word shed like go Russians Americans sporting competition Like Russia China sees aeronautical pro grams vital part defense picture Boy modelers may someday end up Chinese Air Force girls airline industry knows days AMA may sending teams World Cham pionship meetsin China Letters Editor continued page 7 found Yes expensive airplane $3900 exact still can much other plane Still dont write anything going write something H-Ray Kevin Delmolino Age II Richmond Mass H-Ray indeed great stand-by trainer sport kit airplanes Any Lou Andrews design first rate built H-Ray early 60s first came outrudder Webra 15 Diesel rudder elevator en gine controls H-Ray nice airplane respect Electric Turned Him am especially interested Insid er economical interesting ap proach both R/C electric flight Mr Leo Vartanian has done great job am enclosing letter him re quest will address forward him As soon get something ready put air will become member AMA Although have model builder better part fifty years varied reasons have kept compe tition flying past marvel nice goodies have build built first models pine shaved down 1/16 sq block plane covered Christmas tissue powered rubber bands cut automobile inner-tubes things bought piano wire dope July 1978 81 Openers continued page 56 ambroid Dont give good old days model buildingI like whats around today Dick Henderson Phoenix AZ Thinking Big/Taylor continued page 71 bird flies rather poorly dont properly will start learn about taildraggers nice gentle landings Any other kind will get much trouble little bird muffed landing will bruise ego assum ing did beefing up talked about earlier biggies 15-30 pounds crashing ground will bend something major blow land ing something minor noseup becomes catastrophe biggie big props cost minimum $4 friend wiped out $36 worth props making two flights Ill tell little secret have used several years will learn wheel-land 1-3 will use knowledge biggies landings will much less sweaty proposition use standard full-stall touch-down Reason full-stall land ing control lost moment stall hopefully exact same instant wheels hit ground timing doesnt happen rare does left bird ticklish atti tude out control no airspeed really super pilot can sometimes recover situation Mostly poor plane its own flop down way can will wheel-land bird plane literally flown down ground Air speed maintained way through touch-down through initial part roll-out Therefore should things get out whack last second still have some airspeed bank can use speed give ex tra edge get out trouble Im say ing now can get out situa tion still have have cool head least have little something ex tra work secret good wheel landing little extra airspeed Carry airspeed right down flare instead try ing hold plane off concentrate getting level attitude just about inch off ground other words stead flaring just break glide ground level Now comes scary part need skill plane one-inch altitude level attitude tap about quarter-inch down ele vator hold until plane loses fly ing speed everything works out right plane will just gently tap its wheels down down elevator will glue onto runway As speed drops off come back easily full up elevator avoid nosing over Practice maneuver over over Cub skills developed will stand good stead rest flying career Fail people get serious taildrag gers especially biggies will spend time repairing flying fullstall landing airplane killer Thats full-scale flying perfect threepoint landing considered beautiful darned hard wheel landing much safer tail-high rollout thing turns crowds OK youve built little learning about basic techniques type model Youve mentally prepared self engineering beef required powerful biggie flying beautiful time show up field buddies put away planes shame youre hot trot What going build Im afraid tlat have turn loose So far just arent kits available few plans very few actually designed kind power will using As matter fact three sets plans currently available specifically de signed big engines know Andy Shebers Pitts Special Kraft Super-Fli plans available both A-scale Jim Follines Y4-scale Quadra-designed PT-19 Jims plans available Andys address end article kits plans way Im sure Im going taken task time printed right now products specific new powerplants have seen almost Nosen kits am flying heavily-modified Nosen Champ very good starting points anyone However advised Buds kits designed fly maximum 80 engine doesnt put out power good Schnuerle 60 consequently very light construction kind power now norm fly very well good basic kits require considerable beefing-up some outright redesign big engines Since almost everyone starts Buds kits will go out limb men tion some things have done flying models bigger powerplants First off Nosen planes have wing struts design inadequate big engines just about single important change can make struts virtually take full load airplane Redesign mind Metal fittings strut end bolted strong metal tach points both wing fuselage way go struts have metal cable shackle ends tied together c wire running length struts little overkill have no compunction about snap-rolling spinning 18-lb bird Second would well advised re place fuselage longerons /4 hardwood dowel balsawood structure just wont take banging heavier birds invariably get repairing major project nose area isnt too bad still needs can stiffen up Look over carefully wood supplied section replace soft pieces wood good hard density bird covered inside out layer 8-oz fiberglass back rear landing gear outside Since cut out door make operational stiffened cabin area replace strength lost mod biggest things did imbed 1/8 wire door win dow posts make forward pipe structure windshild brass tub ing wire splice pieces soldered joints ends tied heavily structure latter mod alone greatly stiffened up nose-cabin-wing area landing gear has have some pro vision flexing As designed almost totally rigid Since gear cant flex hard landing will bend something wheels alone arent sufficient ab sorb shock something havent fully cured yet several solutions work still ultimate have leave just make some modification have some flex gear dont like acetate windows trip local plastics store Taps Plastics will net l/l6 plexiglass Careful cutting RC-56 glue will get some very nice windows scale thickness pick up some very thick acetate butyrate sheet 040 thereabouts front windshield Use RC-56 glue also Now engine choice area can really cause howls cause isnt anyone know really has broad experience have Quadra access 15 cid Moki have seen DuBro belt drive run plane Therefore advised what am about say open controversy have modeling business 82 Model Aviation prnlrn INDUSTRIES INC 7060 HOIIywc.. .,. ..
Edition: Model Aviation - 1978/07
Page Numbers: 6, 7, 81, 82
MIDWEST COMBAT Competitors EASY TO BUILDEASY TO FLY EASY TO WIN WITH P minwes PRODUCTS CO 400 South Indiana St MHobart IndIana 46342 Letters Editor letters will carefully considered general interest used Send Model Aviation 815 15th St NW Washington DC 20005 Making Record risk compounding William G Carsons bewilderment ref letter Editor May 78 MA let say didnt win Mulvihill event glorious day SHOC annual May 1969 set record 68m 54s Lee Polansky pushing gas re cord over 94 mm Bob White won because time 2 oclock contest officially ended talked continuing flying record though record shooting chased ex tra flights Red Johnson Andy Faykun timed CD John Tischler super vised whole affair staying 3 hours past close contest thats its donewith lot help little shoving George Batiuk Sr Huntsville AL Quadra Quadra dont want nit picker lot people regard magazine modelers Bible dont blame seems strange arti cles dealing scale Feb issue 1978 page 80 fail recognize differ ence between Roper Quadra en gine especially performance airplane definitely improved Quadra used Enclosed set full sized drawings Quadra identifica cation will easier Im also darned near 100% sure engine Mr Mulligan page 26 February issue also Quadra Ron Shettler Vernon BC Can Ron Shettler refers article Feb 78 issue page 80 said Andy Sheber using Roper engine large one-third size Pitts informa tion source official entry list specled engine scale models Las Vegas cowled engine easily visible entirely possible Andy switched Quadra didnt investigate plane check accuracy ofmy information second reference Roper engine included copy given MA DCRC club Bealton Scale meet used portion copy column information come did see plane Bob Wischer As Bob supposed Sheber did change engines Pitts after Vegas people printed program As Mr Mulligan information supplied MA incorrect Roper Quadra 0 Ai 6 Model Aviation IIHLY Engine Sizes 15 19 Wing Span 35W Kit contains Die cut balsa plywood parts wire hardware tank fully illustrat ed step-by-step plans vt Mn 947 LIL SNIP Engine Size 049 Cu Wing Span 25W Kit contains Die cut balsa plywood parts wire hardware tank fully illustrated step-by-step plans two versions Kit No 246 Wing Span 42 control line combat model 35 engines Designed Rich Von Lopez Kit contains Die cut balsa plywood parts wire hardware tank fully illustrated stepby-step planKit No 248 powered powerplant modified 16 Cu fl Home-Lite chain-saw engine purchased Washington-area drug st ore some stock strange things source says Home-Lite surpris ingly powerful Zonkered answer Tom Martin May 1978 issue contained error might lead little difficulty him per haps others dont adequately un derstand line position affects trim CL models stated bellcrank should mounted about inch aft CG suggested made moveable ad just line tension changes CG re quired position bellcrank position leadout guide determines yaw attitude model flight would have better suggest adjustable leadout guide bellcrank position near CG reduce leadout bending pass through guide leadout guide should positioned aft CG Six seven degrees line sweep should good starting point Zonker very well-designed model R/C Charlie Bair Milt Sanders doing canard work Ive seen Zonker other canards fly think however Zonker would make suitable CL model reason would require excessive amount ballast balance properly suitable design would have engine mounted tractor near CG Dick Perry Dayton OH Old Best dont know long has since have seen something H-Ray plane has much popularity never gets talked about magazines have H-Ray its great Ive looking around place say Now have Continued page 81 7Fox Fuel Line Models Life Blood Passes Through Simple Piece Fuel Line Surely Want Best As engine manufacturers acutely aware large portion called engine problems reality fuel line problems Symptoms fuel line trouble going lean air leaks speed fluctuations inability get rich enough high speed restricted flow Fox Fuel Lines best materials available physical proper ties selected model use Fox Fuel Lines worlds finest Tuft Line Silicone far strongest market _________ semi transparent shows bubbles line heat resis- Like silicone tubing tends slip oft fittings unless care taken Neoprene Actually complex compound much elastic clings fittings main disadvan tage transparent Surgical Tubing Pure Rubber Very flexible Use sharp bends necessary Semi-transparent Shows bubbles line Holds fittings well Main disadvantage tends deteriorate rapidly silicone neoprene Plastic good anybodys dont think much plastic fuel line Advantage low price transparency Disadvantage tends collapse bends hardens age heat Tends leak air fittings after ITEM FUEL UHf 86880 Small Neoprene2 Pkg.5086885 Small Clear Plastic2 Pkg.25 86881 Medium Neoprene2 Pkg8086886 Medium Clear Plastic2 Pkg.30 86882 Large Neoprene2 Pkg7086887 Large Clear Plastic2 Pkg.40 86883 Small Tuft Line1 Pkg5586888 Small Surgical Tubing2 Pkg.50 86884 Medium Tuft Line1 Pkg7086889 Med Surgical Tubing2 Pkg.50 86851 Large Tuft Line1 Pkg1 0086890 Large Surgical Tubing2 Pkg.60 FOX MANUFACTURING Fox Model Airplane Products 5305 Towson Smith Arkansas 72901 e 501-646-1656 Answer Thro-Channel Dilemma NIMBUS 2-channel radio system offers American engineering import prices Features include. 1 Solid state superheterodyne 2 All silicon transistor receiver circuit highly selective front end 3 RF amplifier maximum signal noise ratio unexcelled selectivity 4 2 ultra small EK SM servos greater 4 pounds output thrust 5 Receiver servos equipped 3 pin Deans gold plated plugs 6 Adjustable tension control sticks full line brochure write EK-PRODUCTS INC 3322 Stovall St Irving Texas 75061 USA Distributors dealers contact us new merchandising program 1977 EK-Products Inc 779 EK-Products July 1978 7 ERA WHERE THE ACTION IS missing lot involved exciting world FAA sport aviation Heres action can realize dreams flying e building designing raft have always dreamed about Aerobatics soaring rotary wing warbirds antiques homebuilts classics represented EAA Membership $2000 annually includes monthly SPORT AVIATION Junior 18 younger $1000 Information packsend $150 Eli/Sport Aviation Experimental Aircraft Association Inc PO Box 229/Hales Corners Wis 53130 W HAS IT Milwaukee Suburb Phone 4144254860 ALL recent article Speed Rac ing Gazette entitled Modeling Soviet Union noted Russians phe nomenal record successes Team Racing Quoting famous designer S Yakovlev said 1921 .. model glider glider air plane writer tells us shortly after WW importance model airplanes aviation national de fense recognized Russia Today DOSAAF Union Voluntary Society Cooperation Army Air Force Navy fills role AMA NAA sponsors clubs coaches provides building meeting facilities organizes produc tion materials like arti cle quotes four references including books Russians Henrick Smith Ballantine Books NY Soviet Air Force Asher Lee G Duckworth & Co Ltd London 1961 show modeling state activity serves re cruitment pool people interested Air Force Aeroflot national air line Recently Russian experts invited Korea work Korean modelers Korean record Wakefield Nordic World Cham pionships spectacular leading speculation might see North Korean entry Team Racing Russians compete events have possibility win ning may soon inaccurate lump together Iron Curtain countries nations typically display govern ment support regimented programs Mainland China has expressed interest FAI programspossibly becoming FAI member Hidden behind Great Wall China known have massive programs parachuting gliding airplane modelingshe claims 350000 model clubs estimated 3000000 parachutistsoutside mil itary developing full-scale aero batic program word shed like go Russians Americans sporting competition Like Russia China sees aeronautical pro grams vital part defense picture Boy modelers may someday end up Chinese Air Force girls airline industry knows days AMA may sending teams World Cham pionship meetsin China Letters Editor continued page 7 found Yes expensive airplane $3900 exact still can much other plane Still dont write anything going write something H-Ray Kevin Delmolino Age II Richmond Mass H-Ray indeed great stand-by trainer sport kit airplanes Any Lou Andrews design first rate built H-Ray early 60s first came outrudder Webra 15 Diesel rudder elevator en gine controls H-Ray nice airplane respect Electric Turned Him am especially interested Insid er economical interesting ap proach both R/C electric flight Mr Leo Vartanian has done great job am enclosing letter him re quest will address forward him As soon get something ready put air will become member AMA Although have model builder better part fifty years varied reasons have kept compe tition flying past marvel nice goodies have build built first models pine shaved down 1/16 sq block plane covered Christmas tissue powered rubber bands cut automobile inner-tubes things bought piano wire dope July 1978 81 Openers continued page 56 ambroid Dont give good old days model buildingI like whats around today Dick Henderson Phoenix AZ Thinking Big/Taylor continued page 71 bird flies rather poorly dont properly will start learn about taildraggers nice gentle landings Any other kind will get much trouble little bird muffed landing will bruise ego assum ing did beefing up talked about earlier biggies 15-30 pounds crashing ground will bend something major blow land ing something minor noseup becomes catastrophe biggie big props cost minimum $4 friend wiped out $36 worth props making two flights Ill tell little secret have used several years will learn wheel-land 1-3 will use knowledge biggies landings will much less sweaty proposition use standard full-stall touch-down Reason full-stall land ing control lost moment stall hopefully exact same instant wheels hit ground timing doesnt happen rare does left bird ticklish atti tude out control no airspeed really super pilot can sometimes recover situation Mostly poor plane its own flop down way can will wheel-land bird plane literally flown down ground Air speed maintained way through touch-down through initial part roll-out Therefore should things get out whack last second still have some airspeed bank can use speed give ex tra edge get out trouble Im say ing now can get out situa tion still have have cool head least have little something ex tra work secret good wheel landing little extra airspeed Carry airspeed right down flare instead try ing hold plane off concentrate getting level attitude just about inch off ground other words stead flaring just break glide ground level Now comes scary part need skill plane one-inch altitude level attitude tap about quarter-inch down ele vator hold until plane loses fly ing speed everything works out right plane will just gently tap its wheels down down elevator will glue onto runway As speed drops off come back easily full up elevator avoid nosing over Practice maneuver over over Cub skills developed will stand good stead rest flying career Fail people get serious taildrag gers especially biggies will spend time repairing flying fullstall landing airplane killer Thats full-scale flying perfect threepoint landing considered beautiful darned hard wheel landing much safer tail-high rollout thing turns crowds OK youve built little learning about basic techniques type model Youve mentally prepared self engineering beef required powerful biggie flying beautiful time show up field buddies put away planes shame youre hot trot What going build Im afraid tlat have turn loose So far just arent kits available few plans very few actually designed kind power will using As matter fact three sets plans currently available specifically de signed big engines know Andy Shebers Pitts Special Kraft Super-Fli plans available both A-scale Jim Follines Y4-scale Quadra-designed PT-19 Jims plans available Andys address end article kits plans way Im sure Im going taken task time printed right now products specific new powerplants have seen almost Nosen kits am flying heavily-modified Nosen Champ very good starting points anyone However advised Buds kits designed fly maximum 80 engine doesnt put out power good Schnuerle 60 consequently very light construction kind power now norm fly very well good basic kits require considerable beefing-up some outright redesign big engines Since almost everyone starts Buds kits will go out limb men tion some things have done flying models bigger powerplants First off Nosen planes have wing struts design inadequate big engines just about single important change can make struts virtually take full load airplane Redesign mind Metal fittings strut end bolted strong metal tach points both wing fuselage way go struts have metal cable shackle ends tied together c wire running length struts little overkill have no compunction about snap-rolling spinning 18-lb bird Second would well advised re place fuselage longerons /4 hardwood dowel balsawood structure just wont take banging heavier birds invariably get repairing major project nose area isnt too bad still needs can stiffen up Look over carefully wood supplied section replace soft pieces wood good hard density bird covered inside out layer 8-oz fiberglass back rear landing gear outside Since cut out door make operational stiffened cabin area replace strength lost mod biggest things did imbed 1/8 wire door win dow posts make forward pipe structure windshild brass tub ing wire splice pieces soldered joints ends tied heavily structure latter mod alone greatly stiffened up nose-cabin-wing area landing gear has have some pro vision flexing As designed almost totally rigid Since gear cant flex hard landing will bend something wheels alone arent sufficient ab sorb shock something havent fully cured yet several solutions work still ultimate have leave just make some modification have some flex gear dont like acetate windows trip local plastics store Taps Plastics will net l/l6 plexiglass Careful cutting RC-56 glue will get some very nice windows scale thickness pick up some very thick acetate butyrate sheet 040 thereabouts front windshield Use RC-56 glue also Now engine choice area can really cause howls cause isnt anyone know really has broad experience have Quadra access 15 cid Moki have seen DuBro belt drive run plane Therefore advised what am about say open controversy have modeling business 82 Model Aviation prnlrn INDUSTRIES INC 7060 HOIIywc.. .,. ..
Edition: Model Aviation - 1978/07
Page Numbers: 6, 7, 81, 82
MIDWEST COMBAT Competitors EASY TO BUILDEASY TO FLY EASY TO WIN WITH P minwes PRODUCTS CO 400 South Indiana St MHobart IndIana 46342 Letters Editor letters will carefully considered general interest used Send Model Aviation 815 15th St NW Washington DC 20005 Making Record risk compounding William G Carsons bewilderment ref letter Editor May 78 MA let say didnt win Mulvihill event glorious day SHOC annual May 1969 set record 68m 54s Lee Polansky pushing gas re cord over 94 mm Bob White won because time 2 oclock contest officially ended talked continuing flying record though record shooting chased ex tra flights Red Johnson Andy Faykun timed CD John Tischler super vised whole affair staying 3 hours past close contest thats its donewith lot help little shoving George Batiuk Sr Huntsville AL Quadra Quadra dont want nit picker lot people regard magazine modelers Bible dont blame seems strange arti cles dealing scale Feb issue 1978 page 80 fail recognize differ ence between Roper Quadra en gine especially performance airplane definitely improved Quadra used Enclosed set full sized drawings Quadra identifica cation will easier Im also darned near 100% sure engine Mr Mulligan page 26 February issue also Quadra Ron Shettler Vernon BC Can Ron Shettler refers article Feb 78 issue page 80 said Andy Sheber using Roper engine large one-third size Pitts informa tion source official entry list specled engine scale models Las Vegas cowled engine easily visible entirely possible Andy switched Quadra didnt investigate plane check accuracy ofmy information second reference Roper engine included copy given MA DCRC club Bealton Scale meet used portion copy column information come did see plane Bob Wischer As Bob supposed Sheber did change engines Pitts after Vegas people printed program As Mr Mulligan information supplied MA incorrect Roper Quadra 0 Ai 6 Model Aviation IIHLY Engine Sizes 15 19 Wing Span 35W Kit contains Die cut balsa plywood parts wire hardware tank fully illustrat ed step-by-step plans vt Mn 947 LIL SNIP Engine Size 049 Cu Wing Span 25W Kit contains Die cut balsa plywood parts wire hardware tank fully illustrated step-by-step plans two versions Kit No 246 Wing Span 42 control line combat model 35 engines Designed Rich Von Lopez Kit contains Die cut balsa plywood parts wire hardware tank fully illustrated stepby-step planKit No 248 powered powerplant modified 16 Cu fl Home-Lite chain-saw engine purchased Washington-area drug st ore some stock strange things source says Home-Lite surpris ingly powerful Zonkered answer Tom Martin May 1978 issue contained error might lead little difficulty him per haps others dont adequately un derstand line position affects trim CL models stated bellcrank should mounted about inch aft CG suggested made moveable ad just line tension changes CG re quired position bellcrank position leadout guide determines yaw attitude model flight would have better suggest adjustable leadout guide bellcrank position near CG reduce leadout bending pass through guide leadout guide should positioned aft CG Six seven degrees line sweep should good starting point Zonker very well-designed model R/C Charlie Bair Milt Sanders doing canard work Ive seen Zonker other canards fly think however Zonker would make suitable CL model reason would require excessive amount ballast balance properly suitable design would have engine mounted tractor near CG Dick Perry Dayton OH Old Best dont know long has since have seen something H-Ray plane has much popularity never gets talked about magazines have H-Ray its great Ive looking around place say Now have Continued page 81 7Fox Fuel Line Models Life Blood Passes Through Simple Piece Fuel Line Surely Want Best As engine manufacturers acutely aware large portion called engine problems reality fuel line problems Symptoms fuel line trouble going lean air leaks speed fluctuations inability get rich enough high speed restricted flow Fox Fuel Lines best materials available physical proper ties selected model use Fox Fuel Lines worlds finest Tuft Line Silicone far strongest market _________ semi transparent shows bubbles line heat resis- Like silicone tubing tends slip oft fittings unless care taken Neoprene Actually complex compound much elastic clings fittings main disadvan tage transparent Surgical Tubing Pure Rubber Very flexible Use sharp bends necessary Semi-transparent Shows bubbles line Holds fittings well Main disadvantage tends deteriorate rapidly silicone neoprene Plastic good anybodys dont think much plastic fuel line Advantage low price transparency Disadvantage tends collapse bends hardens age heat Tends leak air fittings after ITEM FUEL UHf 86880 Small Neoprene2 Pkg.5086885 Small Clear Plastic2 Pkg.25 86881 Medium Neoprene2 Pkg8086886 Medium Clear Plastic2 Pkg.30 86882 Large Neoprene2 Pkg7086887 Large Clear Plastic2 Pkg.40 86883 Small Tuft Line1 Pkg5586888 Small Surgical Tubing2 Pkg.50 86884 Medium Tuft Line1 Pkg7086889 Med Surgical Tubing2 Pkg.50 86851 Large Tuft Line1 Pkg1 0086890 Large Surgical Tubing2 Pkg.60 FOX MANUFACTURING Fox Model Airplane Products 5305 Towson Smith Arkansas 72901 e 501-646-1656 Answer Thro-Channel Dilemma NIMBUS 2-channel radio system offers American engineering import prices Features include. 1 Solid state superheterodyne 2 All silicon transistor receiver circuit highly selective front end 3 RF amplifier maximum signal noise ratio unexcelled selectivity 4 2 ultra small EK SM servos greater 4 pounds output thrust 5 Receiver servos equipped 3 pin Deans gold plated plugs 6 Adjustable tension control sticks full line brochure write EK-PRODUCTS INC 3322 Stovall St Irving Texas 75061 USA Distributors dealers contact us new merchandising program 1977 EK-Products Inc 779 EK-Products July 1978 7 ERA WHERE THE ACTION IS missing lot involved exciting world FAA sport aviation Heres action can realize dreams flying e building designing raft have always dreamed about Aerobatics soaring rotary wing warbirds antiques homebuilts classics represented EAA Membership $2000 annually includes monthly SPORT AVIATION Junior 18 younger $1000 Information packsend $150 Eli/Sport Aviation Experimental Aircraft Association Inc PO Box 229/Hales Corners Wis 53130 W HAS IT Milwaukee Suburb Phone 4144254860 ALL recent article Speed Rac ing Gazette entitled Modeling Soviet Union noted Russians phe nomenal record successes Team Racing Quoting famous designer S Yakovlev said 1921 .. model glider glider air plane writer tells us shortly after WW importance model airplanes aviation national de fense recognized Russia Today DOSAAF Union Voluntary Society Cooperation Army Air Force Navy fills role AMA NAA sponsors clubs coaches provides building meeting facilities organizes produc tion materials like arti cle quotes four references including books Russians Henrick Smith Ballantine Books NY Soviet Air Force Asher Lee G Duckworth & Co Ltd London 1961 show modeling state activity serves re cruitment pool people interested Air Force Aeroflot national air line Recently Russian experts invited Korea work Korean modelers Korean record Wakefield Nordic World Cham pionships spectacular leading speculation might see North Korean entry Team Racing Russians compete events have possibility win ning may soon inaccurate lump together Iron Curtain countries nations typically display govern ment support regimented programs Mainland China has expressed interest FAI programspossibly becoming FAI member Hidden behind Great Wall China known have massive programs parachuting gliding airplane modelingshe claims 350000 model clubs estimated 3000000 parachutistsoutside mil itary developing full-scale aero batic program word shed like go Russians Americans sporting competition Like Russia China sees aeronautical pro grams vital part defense picture Boy modelers may someday end up Chinese Air Force girls airline industry knows days AMA may sending teams World Cham pionship meetsin China Letters Editor continued page 7 found Yes expensive airplane $3900 exact still can much other plane Still dont write anything going write something H-Ray Kevin Delmolino Age II Richmond Mass H-Ray indeed great stand-by trainer sport kit airplanes Any Lou Andrews design first rate built H-Ray early 60s first came outrudder Webra 15 Diesel rudder elevator en gine controls H-Ray nice airplane respect Electric Turned Him am especially interested Insid er economical interesting ap proach both R/C electric flight Mr Leo Vartanian has done great job am enclosing letter him re quest will address forward him As soon get something ready put air will become member AMA Although have model builder better part fifty years varied reasons have kept compe tition flying past marvel nice goodies have build built first models pine shaved down 1/16 sq block plane covered Christmas tissue powered rubber bands cut automobile inner-tubes things bought piano wire dope July 1978 81 Openers continued page 56 ambroid Dont give good old days model buildingI like whats around today Dick Henderson Phoenix AZ Thinking Big/Taylor continued page 71 bird flies rather poorly dont properly will start learn about taildraggers nice gentle landings Any other kind will get much trouble little bird muffed landing will bruise ego assum ing did beefing up talked about earlier biggies 15-30 pounds crashing ground will bend something major blow land ing something minor noseup becomes catastrophe biggie big props cost minimum $4 friend wiped out $36 worth props making two flights Ill tell little secret have used several years will learn wheel-land 1-3 will use knowledge biggies landings will much less sweaty proposition use standard full-stall touch-down Reason full-stall land ing control lost moment stall hopefully exact same instant wheels hit ground timing doesnt happen rare does left bird ticklish atti tude out control no airspeed really super pilot can sometimes recover situation Mostly poor plane its own flop down way can will wheel-land bird plane literally flown down ground Air speed maintained way through touch-down through initial part roll-out Therefore should things get out whack last second still have some airspeed bank can use speed give ex tra edge get out trouble Im say ing now can get out situa tion still have have cool head least have little something ex tra work secret good wheel landing little extra airspeed Carry airspeed right down flare instead try ing hold plane off concentrate getting level attitude just about inch off ground other words stead flaring just break glide ground level Now comes scary part need skill plane one-inch altitude level attitude tap about quarter-inch down ele vator hold until plane loses fly ing speed everything works out right plane will just gently tap its wheels down down elevator will glue onto runway As speed drops off come back easily full up elevator avoid nosing over Practice maneuver over over Cub skills developed will stand good stead rest flying career Fail people get serious taildrag gers especially biggies will spend time repairing flying fullstall landing airplane killer Thats full-scale flying perfect threepoint landing considered beautiful darned hard wheel landing much safer tail-high rollout thing turns crowds OK youve built little learning about basic techniques type model Youve mentally prepared self engineering beef required powerful biggie flying beautiful time show up field buddies put away planes shame youre hot trot What going build Im afraid tlat have turn loose So far just arent kits available few plans very few actually designed kind power will using As matter fact three sets plans currently available specifically de signed big engines know Andy Shebers Pitts Special Kraft Super-Fli plans available both A-scale Jim Follines Y4-scale Quadra-designed PT-19 Jims plans available Andys address end article kits plans way Im sure Im going taken task time printed right now products specific new powerplants have seen almost Nosen kits am flying heavily-modified Nosen Champ very good starting points anyone However advised Buds kits designed fly maximum 80 engine doesnt put out power good Schnuerle 60 consequently very light construction kind power now norm fly very well good basic kits require considerable beefing-up some outright redesign big engines Since almost everyone starts Buds kits will go out limb men tion some things have done flying models bigger powerplants First off Nosen planes have wing struts design inadequate big engines just about single important change can make struts virtually take full load airplane Redesign mind Metal fittings strut end bolted strong metal tach points both wing fuselage way go struts have metal cable shackle ends tied together c wire running length struts little overkill have no compunction about snap-rolling spinning 18-lb bird Second would well advised re place fuselage longerons /4 hardwood dowel balsawood structure just wont take banging heavier birds invariably get repairing major project nose area isnt too bad still needs can stiffen up Look over carefully wood supplied section replace soft pieces wood good hard density bird covered inside out layer 8-oz fiberglass back rear landing gear outside Since cut out door make operational stiffened cabin area replace strength lost mod biggest things did imbed 1/8 wire door win dow posts make forward pipe structure windshild brass tub ing wire splice pieces soldered joints ends tied heavily structure latter mod alone greatly stiffened up nose-cabin-wing area landing gear has have some pro vision flexing As designed almost totally rigid Since gear cant flex hard landing will bend something wheels alone arent sufficient ab sorb shock something havent fully cured yet several solutions work still ultimate have leave just make some modification have some flex gear dont like acetate windows trip local plastics store Taps Plastics will net l/l6 plexiglass Careful cutting RC-56 glue will get some very nice windows scale thickness pick up some very thick acetate butyrate sheet 040 thereabouts front windshield Use RC-56 glue also Now engine choice area can really cause howls cause isnt anyone know really has broad experience have Quadra access 15 cid Moki have seen DuBro belt drive run plane Therefore advised what am about say open controversy have modeling business 82 Model Aviation prnlrn INDUSTRIES INC 7060 HOIIywc.. .,. ..
Edition: Model Aviation - 1978/07
Page Numbers: 6, 7, 81, 82
MIDWEST COMBAT Competitors EASY TO BUILDEASY TO FLY EASY TO WIN WITH P minwes PRODUCTS CO 400 South Indiana St MHobart IndIana 46342 Letters Editor letters will carefully considered general interest used Send Model Aviation 815 15th St NW Washington DC 20005 Making Record risk compounding William G Carsons bewilderment ref letter Editor May 78 MA let say didnt win Mulvihill event glorious day SHOC annual May 1969 set record 68m 54s Lee Polansky pushing gas re cord over 94 mm Bob White won because time 2 oclock contest officially ended talked continuing flying record though record shooting chased ex tra flights Red Johnson Andy Faykun timed CD John Tischler super vised whole affair staying 3 hours past close contest thats its donewith lot help little shoving George Batiuk Sr Huntsville AL Quadra Quadra dont want nit picker lot people regard magazine modelers Bible dont blame seems strange arti cles dealing scale Feb issue 1978 page 80 fail recognize differ ence between Roper Quadra en gine especially performance airplane definitely improved Quadra used Enclosed set full sized drawings Quadra identifica cation will easier Im also darned near 100% sure engine Mr Mulligan page 26 February issue also Quadra Ron Shettler Vernon BC Can Ron Shettler refers article Feb 78 issue page 80 said Andy Sheber using Roper engine large one-third size Pitts informa tion source official entry list specled engine scale models Las Vegas cowled engine easily visible entirely possible Andy switched Quadra didnt investigate plane check accuracy ofmy information second reference Roper engine included copy given MA DCRC club Bealton Scale meet used portion copy column information come did see plane Bob Wischer As Bob supposed Sheber did change engines Pitts after Vegas people printed program As Mr Mulligan information supplied MA incorrect Roper Quadra 0 Ai 6 Model Aviation IIHLY Engine Sizes 15 19 Wing Span 35W Kit contains Die cut balsa plywood parts wire hardware tank fully illustrat ed step-by-step plans vt Mn 947 LIL SNIP Engine Size 049 Cu Wing Span 25W Kit contains Die cut balsa plywood parts wire hardware tank fully illustrated step-by-step plans two versions Kit No 246 Wing Span 42 control line combat model 35 engines Designed Rich Von Lopez Kit contains Die cut balsa plywood parts wire hardware tank fully illustrated stepby-step planKit No 248 powered powerplant modified 16 Cu fl Home-Lite chain-saw engine purchased Washington-area drug st ore some stock strange things source says Home-Lite surpris ingly powerful Zonkered answer Tom Martin May 1978 issue contained error might lead little difficulty him per haps others dont adequately un derstand line position affects trim CL models stated bellcrank should mounted about inch aft CG suggested made moveable ad just line tension changes CG re quired position bellcrank position leadout guide determines yaw attitude model flight would have better suggest adjustable leadout guide bellcrank position near CG reduce leadout bending pass through guide leadout guide should positioned aft CG Six seven degrees line sweep should good starting point Zonker very well-designed model R/C Charlie Bair Milt Sanders doing canard work Ive seen Zonker other canards fly think however Zonker would make suitable CL model reason would require excessive amount ballast balance properly suitable design would have engine mounted tractor near CG Dick Perry Dayton OH Old Best dont know long has since have seen something H-Ray plane has much popularity never gets talked about magazines have H-Ray its great Ive looking around place say Now have Continued page 81 7Fox Fuel Line Models Life Blood Passes Through Simple Piece Fuel Line Surely Want Best As engine manufacturers acutely aware large portion called engine problems reality fuel line problems Symptoms fuel line trouble going lean air leaks speed fluctuations inability get rich enough high speed restricted flow Fox Fuel Lines best materials available physical proper ties selected model use Fox Fuel Lines worlds finest Tuft Line Silicone far strongest market _________ semi transparent shows bubbles line heat resis- Like silicone tubing tends slip oft fittings unless care taken Neoprene Actually complex compound much elastic clings fittings main disadvan tage transparent Surgical Tubing Pure Rubber Very flexible Use sharp bends necessary Semi-transparent Shows bubbles line Holds fittings well Main disadvantage tends deteriorate rapidly silicone neoprene Plastic good anybodys dont think much plastic fuel line Advantage low price transparency Disadvantage tends collapse bends hardens age heat Tends leak air fittings after ITEM FUEL UHf 86880 Small Neoprene2 Pkg.5086885 Small Clear Plastic2 Pkg.25 86881 Medium Neoprene2 Pkg8086886 Medium Clear Plastic2 Pkg.30 86882 Large Neoprene2 Pkg7086887 Large Clear Plastic2 Pkg.40 86883 Small Tuft Line1 Pkg5586888 Small Surgical Tubing2 Pkg.50 86884 Medium Tuft Line1 Pkg7086889 Med Surgical Tubing2 Pkg.50 86851 Large Tuft Line1 Pkg1 0086890 Large Surgical Tubing2 Pkg.60 FOX MANUFACTURING Fox Model Airplane Products 5305 Towson Smith Arkansas 72901 e 501-646-1656 Answer Thro-Channel Dilemma NIMBUS 2-channel radio system offers American engineering import prices Features include. 1 Solid state superheterodyne 2 All silicon transistor receiver circuit highly selective front end 3 RF amplifier maximum signal noise ratio unexcelled selectivity 4 2 ultra small EK SM servos greater 4 pounds output thrust 5 Receiver servos equipped 3 pin Deans gold plated plugs 6 Adjustable tension control sticks full line brochure write EK-PRODUCTS INC 3322 Stovall St Irving Texas 75061 USA Distributors dealers contact us new merchandising program 1977 EK-Products Inc 779 EK-Products July 1978 7 ERA WHERE THE ACTION IS missing lot involved exciting world FAA sport aviation Heres action can realize dreams flying e building designing raft have always dreamed about Aerobatics soaring rotary wing warbirds antiques homebuilts classics represented EAA Membership $2000 annually includes monthly SPORT AVIATION Junior 18 younger $1000 Information packsend $150 Eli/Sport Aviation Experimental Aircraft Association Inc PO Box 229/Hales Corners Wis 53130 W HAS IT Milwaukee Suburb Phone 4144254860 ALL recent article Speed Rac ing Gazette entitled Modeling Soviet Union noted Russians phe nomenal record successes Team Racing Quoting famous designer S Yakovlev said 1921 .. model glider glider air plane writer tells us shortly after WW importance model airplanes aviation national de fense recognized Russia Today DOSAAF Union Voluntary Society Cooperation Army Air Force Navy fills role AMA NAA sponsors clubs coaches provides building meeting facilities organizes produc tion materials like arti cle quotes four references including books Russians Henrick Smith Ballantine Books NY Soviet Air Force Asher Lee G Duckworth & Co Ltd London 1961 show modeling state activity serves re cruitment pool people interested Air Force Aeroflot national air line Recently Russian experts invited Korea work Korean modelers Korean record Wakefield Nordic World Cham pionships spectacular leading speculation might see North Korean entry Team Racing Russians compete events have possibility win ning may soon inaccurate lump together Iron Curtain countries nations typically display govern ment support regimented programs Mainland China has expressed interest FAI programspossibly becoming FAI member Hidden behind Great Wall China known have massive programs parachuting gliding airplane modelingshe claims 350000 model clubs estimated 3000000 parachutistsoutside mil itary developing full-scale aero batic program word shed like go Russians Americans sporting competition Like Russia China sees aeronautical pro grams vital part defense picture Boy modelers may someday end up Chinese Air Force girls airline industry knows days AMA may sending teams World Cham pionship meetsin China Letters Editor continued page 7 found Yes expensive airplane $3900 exact still can much other plane Still dont write anything going write something H-Ray Kevin Delmolino Age II Richmond Mass H-Ray indeed great stand-by trainer sport kit airplanes Any Lou Andrews design first rate built H-Ray early 60s first came outrudder Webra 15 Diesel rudder elevator en gine controls H-Ray nice airplane respect Electric Turned Him am especially interested Insid er economical interesting ap proach both R/C electric flight Mr Leo Vartanian has done great job am enclosing letter him re quest will address forward him As soon get something ready put air will become member AMA Although have model builder better part fifty years varied reasons have kept compe tition flying past marvel nice goodies have build built first models pine shaved down 1/16 sq block plane covered Christmas tissue powered rubber bands cut automobile inner-tubes things bought piano wire dope July 1978 81 Openers continued page 56 ambroid Dont give good old days model buildingI like whats around today Dick Henderson Phoenix AZ Thinking Big/Taylor continued page 71 bird flies rather poorly dont properly will start learn about taildraggers nice gentle landings Any other kind will get much trouble little bird muffed landing will bruise ego assum ing did beefing up talked about earlier biggies 15-30 pounds crashing ground will bend something major blow land ing something minor noseup becomes catastrophe biggie big props cost minimum $4 friend wiped out $36 worth props making two flights Ill tell little secret have used several years will learn wheel-land 1-3 will use knowledge biggies landings will much less sweaty proposition use standard full-stall touch-down Reason full-stall land ing control lost moment stall hopefully exact same instant wheels hit ground timing doesnt happen rare does left bird ticklish atti tude out control no airspeed really super pilot can sometimes recover situation Mostly poor plane its own flop down way can will wheel-land bird plane literally flown down ground Air speed maintained way through touch-down through initial part roll-out Therefore should things get out whack last second still have some airspeed bank can use speed give ex tra edge get out trouble Im say ing now can get out situa tion still have have cool head least have little something ex tra work secret good wheel landing little extra airspeed Carry airspeed right down flare instead try ing hold plane off concentrate getting level attitude just about inch off ground other words stead flaring just break glide ground level Now comes scary part need skill plane one-inch altitude level attitude tap about quarter-inch down ele vator hold until plane loses fly ing speed everything works out right plane will just gently tap its wheels down down elevator will glue onto runway As speed drops off come back easily full up elevator avoid nosing over Practice maneuver over over Cub skills developed will stand good stead rest flying career Fail people get serious taildrag gers especially biggies will spend time repairing flying fullstall landing airplane killer Thats full-scale flying perfect threepoint landing considered beautiful darned hard wheel landing much safer tail-high rollout thing turns crowds OK youve built little learning about basic techniques type model Youve mentally prepared self engineering beef required powerful biggie flying beautiful time show up field buddies put away planes shame youre hot trot What going build Im afraid tlat have turn loose So far just arent kits available few plans very few actually designed kind power will using As matter fact three sets plans currently available specifically de signed big engines know Andy Shebers Pitts Special Kraft Super-Fli plans available both A-scale Jim Follines Y4-scale Quadra-designed PT-19 Jims plans available Andys address end article kits plans way Im sure Im going taken task time printed right now products specific new powerplants have seen almost Nosen kits am flying heavily-modified Nosen Champ very good starting points anyone However advised Buds kits designed fly maximum 80 engine doesnt put out power good Schnuerle 60 consequently very light construction kind power now norm fly very well good basic kits require considerable beefing-up some outright redesign big engines Since almost everyone starts Buds kits will go out limb men tion some things have done flying models bigger powerplants First off Nosen planes have wing struts design inadequate big engines just about single important change can make struts virtually take full load airplane Redesign mind Metal fittings strut end bolted strong metal tach points both wing fuselage way go struts have metal cable shackle ends tied together c wire running length struts little overkill have no compunction about snap-rolling spinning 18-lb bird Second would well advised re place fuselage longerons /4 hardwood dowel balsawood structure just wont take banging heavier birds invariably get repairing major project nose area isnt too bad still needs can stiffen up Look over carefully wood supplied section replace soft pieces wood good hard density bird covered inside out layer 8-oz fiberglass back rear landing gear outside Since cut out door make operational stiffened cabin area replace strength lost mod biggest things did imbed 1/8 wire door win dow posts make forward pipe structure windshild brass tub ing wire splice pieces soldered joints ends tied heavily structure latter mod alone greatly stiffened up nose-cabin-wing area landing gear has have some pro vision flexing As designed almost totally rigid Since gear cant flex hard landing will bend something wheels alone arent sufficient ab sorb shock something havent fully cured yet several solutions work still ultimate have leave just make some modification have some flex gear dont like acetate windows trip local plastics store Taps Plastics will net l/l6 plexiglass Careful cutting RC-56 glue will get some very nice windows scale thickness pick up some very thick acetate butyrate sheet 040 thereabouts front windshield Use RC-56 glue also Now engine choice area can really cause howls cause isnt anyone know really has broad experience have Quadra access 15 cid Moki have seen DuBro belt drive run plane Therefore advised what am about say open controversy have modeling business 82 Model Aviation prnlrn INDUSTRIES INC 7060 HOIIywc.. .,. ..