Scale El MikeGretz THIS IS first column Ive able put together entirely along format concept originally envisioned being beneficial enjoyable wide range CL Scale modelers issue has contributions several read ers different parts country different levels scale experience Some names possibly familiar some What have common teresting ideas techniques want pass future reference possible use thank fellows taking time write encourage others same 1977 Nats Champ Ray Smith see Feb 78 MA CL Scale sent data earlier scale ships Douglas A-26 InInvader Historically full-size Invader significant generally ac knowledged best destructive WW2s lightweight piston-powered twin-engined bombers A-26 proved last important operational aircraft produced Attack category officially abandoned AAF 1948 embodied Air Corps learned about attack aircraft 30s 40s Its awesome predecessors cluded A-20 Havoc B-26 Marau der B-25 Mitchell attack category called designs suitable ground attack precision bombing low medium altitudes night fighting reconnaissance duties Heavily ar moured protection carrying crew three Invaders powerful offensive armament could include different com binations up 18 50-caliber machine guns cannons 6000 lbs bombs 16 rockets extra fuel tanks A-26 called B-26 after 1948 served effectively through Korean War Rays scale Invader has wing span 72 has two Fox Eagle 60 engines power model weighs 15 pounds has retracting landing gear nose wheel rotates 900 goes up has working flaps bomb bay doors bomb drop built blink ing red light rudder hard see sun light About year ago hung up local hobby shops Ive very good luck Ray also sent sketch bomb drop pin uses bomb drop mechanical triggered use fourth line have pin bot Use Food Coloring Water eValve Block Fuel Line Tubing OUTLET HOLESApprox 20 Holes Bar Start Center Smallest Drill Make Hole Larger As Move Towards End 01 Bar MUSIC WIRE FUEL LINE VATOR THROTrLE OR 4th LINE VALVE BLOCK DETAIL Brass Tube SOLDER ENDS KEEP TANK ABOVE AIRCRAFT CENTER LINE AND SPRAY BAR BELOW FOR GRAVITY FEED OR YOU CAN PRESSURIZE OFF MUFFLER Ag planes really spray crops become possible Dick Ruckels Spray Dump Mechanism spray itself water tinted food coloring diagram makes clear enough tom wing enters bomb cant seen until bomb dropped turn spring loaded will always return same place Dana Anderson Pinehurst Georgia sent pictures well-built Grumman Ag-Cat model refreshing scale en thusiasm undoubtedly fueled im pressive full-size flying experience Dana tells model Ag-Cat unique built model year ago flying 600 hp Ag-Cat since 1971 about 4000 hours 2200 being N7832 made model first Ag-Cat flew choose use OS Wankle engine throttle control scale ap Con tinued page 92 34 Model Aviation Speaking Ag planes OS Wankle-powered Grumman Ag-Cat Dana Anderson captures essence Sport Scale Ag jobs make good fliers because stability maneuverability Control-line version Douglas A-26 Invader light bomber built Nats Champ Ray Smith several years ago Note outstanding details propellers wheel hubs Smith photo GRISH AIRCRAFT TYPE PROPELLERS Made hardwood fully carved true helical pitch airfoil ready sanding ALL SIZES INis$700 8 & 10 PITCH20800 RIGHT HAND221000 ROTATION241 aoo 3/8 BORE AT YOUR DEALER USE TO PROPEL AIR CREATE THRUST AND BE PROPELLED BY AIR AT DISCRETION OF THE PURCHASER 2 Blade Tractor 5-3each 5-45%-35/-4304 6-36-4354 7-47-67-8504 8-48-68-8654 9-49-69-7 9-810-410-6854 11-411-611-8$1 12-412-512-6$150 5y3 2 Blade Pusher 5%-4 6-36-4 354 8-6854j 9-610-6$1 3BladeTractor BLADE 5-3 6-36-4504 3BladePusher 6-3504 Made otpolyester llic Aluminum Color boil color7-67-8$1 8-68-8 $125 9-6 10-6 10-4 $150 Pusher 10-6$150 Dave Cook Secretary Star Route Gran CO 80446 Stanley Pfost DDS NSS President 1481 Howell Branch Road Winter Park FL 32789 League Silent Flight Box 39068 Chicago IL 60639 Gordon Pearson LSF President 8232 Earhart Rd South Lyon MI 48178 Fly Baby kinds conditions come confident model yourself Put together organized thorough documentation booklet Use source plans good scale drawing look through homebuilt magazines per tinent photographs Put works nice binder head next contest CL Scale/Gretz continued page 34 pearance doesnt look bad conventional model engine would plane built entirely Sig balsa plywood wing tail surfaces covered silk covered light-weight Silkspan fuselage covered balsa silk entire plane finished Aero-Gloss dope mixed myself match color original plane am presently build ing Sig J-3 Cub same numbers own 1946 J-3 Cub NC 1464N have set plans scale RC model Piper Pawnee Hope build plane next winter flew Pawnee first started Ag flying have 1800 hours PA-25-235 Pawnee way Dick Ruckel Ive become aware Prop Busters Model Airplane Club Cleveland Ohio has very ac tive group CL Scale fliers Dick sent several good sketches ideas have used him peers Coinci dently ideas building spray dump mechanism model crop dusters accompanying drawing self-explanatory Dick also offered some constructive criticism contest judging based experiences competition season fast approaching think thoughts warrant some careful consideration Dicks letter Theres lot comment about too much detail Sport Scale planes local meet rules discarded model cockpit like Dicks Clip Wing Cub went AMA Scale another contest judges protested Clip Wing being AMA Scalehe said wasnt scale enough model rules dont say Dan Pruss Ri 2 Box 490 Plainfield IL 60544 Fly Baby/Haught continued page 33 turnbuckles securing wires same time Cut lengths aluminum tubing shown slip over ends wire form loop ends feed through hole rigging tabs slip tubing over end again crimp tubing hold together Refer pictures plans rig ging points details Dont forget rig rudder stabilizer landing gear axle Fabricate windshield fuel cap tiedowns wing folding pins pitot tube epoxy place Its little details add final score dont over look Well does look ready experience Control Line Scale competition has taught valu able item can take contest circle experience Practice flying 92 Model Aviation PROPELLERS ALL GRISH PROPELLERS ARE ENGINEERED TO TRUE HELICAL PITCH AND AIRFOIL FOR EFFICIENCY AT YOUR DEALER GRISH ST JOHN INDIANA 46373 Close-up shot tail showing scale steerable tailwheel linkage rudder means small-diameter stiff springs Also see Wischers column photographs author rN DU-BRO SNAP-ON LINKS BOLT-ON LINK 3-piece ball link set No180 must helicopters readily adaptable rudder elevator servo linkage RIC planes boats cars Ball joint action eliminates binding neat clean appearance OnlV 85C TOUGH NYLON LINK SNAPS-ON AND HOLDS TIGHT TAKES CARE OF ANY MISALIGNMENT THREADED LINK MAKES5-Pieceball link set No 181 THROTTLEexcellent off-set steering eHOOK-UPSthrottle servo hookups EASY IIncludes steel ball assembly /2-56 thread washer nut threaded coupler nylon ball link Easily adjustable Only 85C 4 DUBRO PRODUCTS / INC BONNER ROAD DUWAUCON DA ILL 60084 cant have cabin detail say judges arent give points guy wants take Nobler paint like Mus tang thats business same token want take Sigs Cub kit end up model looks like original flies like shouldbut does conform scale sizes etcthats business Weve spent months building models rule book its imperative its used bother building dont need rules just competent judging Besides no body ever said idea event give away trophies anybody thinks should have build rules fly rules youll probably win rules youre ready accept dont enter event last thought lest think bunch screamers down take punch learn think Dick stated very well several important points Anyone competes competitive event based human subjective judging can relate Dicks experiences Perfect judging ideal strive usually dont achieve Its simple fact life dif ferent people see things differently com petitor must learn accept basic fact winners know follow rule book letter demand others same Only will see improvement judging Luckily singled out examples questionable judging have seldom discouraged true competitor Thanks Sport Scale noticing steady increase participation CL Scale flying contests Scale Grapevine.. Dont forget deadline submitting AMA rules change proposals next cycle Sept 1 1978 procedure making proposal noted Feb 78 Model Aviation. Combined CL FF RC Scale contests may catching three scale categories being included St Louis Scale Fly-In held July 2 1978 site will probably Buder Park according Bob Underwood 4109 Concord Oaks Dr St Louis MO 63128 can furnish details. veland Prop Busters busy catchy idea sounds like fun Quoting Dick Ruckel again Take scale drawing magazine like Model viat ion spread build profileto size Mount 010 have ball have carrier hook Mike Gretz Box 162 Montezuma IA 50171 CL Combat/Johnson continued page 35 PIN ROTATES 900 BY 4TH LINE SPRING LOADED FOR RETURN SLOT IN BOMB OR DROP TANK Released Ray Smiths Bomb-Drop Pin operated fourth line simplifies dropping bombs drop tanks made or both planes hit ground Ive lot non-flying friends tell like watch combat re marked took long get match ready have end quickly won der theyd like have spent six hours building plane destroyed badly damaged 35% matches Mick Tiernan excellent article January 1978 issue AeroModeller commenting sad state combat Europe youre wondering Mick Tiernan let say hes won British Nationals probably four five best FAI pilots world Mick admits being old school combat planes went slower lasted long time did matches Theres slow escalation USA Europe radical change two years ago 70-mph diesels 90-100-mph glows current breed horsepower motors has enabled rankest beginner ac quire means 120-mph model held under control 60-mph skill re flexes What easy build Slow Combat ship like scratch-build ship Id suggest Cheater Slow Dan May1978 93 U
Edition: Model Aviation - 1978/05
Page Numbers: 34, 92, 93
Scale El MikeGretz THIS IS first column Ive able put together entirely along format concept originally envisioned being beneficial enjoyable wide range CL Scale modelers issue has contributions several read ers different parts country different levels scale experience Some names possibly familiar some What have common teresting ideas techniques want pass future reference possible use thank fellows taking time write encourage others same 1977 Nats Champ Ray Smith see Feb 78 MA CL Scale sent data earlier scale ships Douglas A-26 InInvader Historically full-size Invader significant generally ac knowledged best destructive WW2s lightweight piston-powered twin-engined bombers A-26 proved last important operational aircraft produced Attack category officially abandoned AAF 1948 embodied Air Corps learned about attack aircraft 30s 40s Its awesome predecessors cluded A-20 Havoc B-26 Marau der B-25 Mitchell attack category called designs suitable ground attack precision bombing low medium altitudes night fighting reconnaissance duties Heavily ar moured protection carrying crew three Invaders powerful offensive armament could include different com binations up 18 50-caliber machine guns cannons 6000 lbs bombs 16 rockets extra fuel tanks A-26 called B-26 after 1948 served effectively through Korean War Rays scale Invader has wing span 72 has two Fox Eagle 60 engines power model weighs 15 pounds has retracting landing gear nose wheel rotates 900 goes up has working flaps bomb bay doors bomb drop built blink ing red light rudder hard see sun light About year ago hung up local hobby shops Ive very good luck Ray also sent sketch bomb drop pin uses bomb drop mechanical triggered use fourth line have pin bot Use Food Coloring Water eValve Block Fuel Line Tubing OUTLET HOLESApprox 20 Holes Bar Start Center Smallest Drill Make Hole Larger As Move Towards End 01 Bar MUSIC WIRE FUEL LINE VATOR THROTrLE OR 4th LINE VALVE BLOCK DETAIL Brass Tube SOLDER ENDS KEEP TANK ABOVE AIRCRAFT CENTER LINE AND SPRAY BAR BELOW FOR GRAVITY FEED OR YOU CAN PRESSURIZE OFF MUFFLER Ag planes really spray crops become possible Dick Ruckels Spray Dump Mechanism spray itself water tinted food coloring diagram makes clear enough tom wing enters bomb cant seen until bomb dropped turn spring loaded will always return same place Dana Anderson Pinehurst Georgia sent pictures well-built Grumman Ag-Cat model refreshing scale en thusiasm undoubtedly fueled im pressive full-size flying experience Dana tells model Ag-Cat unique built model year ago flying 600 hp Ag-Cat since 1971 about 4000 hours 2200 being N7832 made model first Ag-Cat flew choose use OS Wankle engine throttle control scale ap Con tinued page 92 34 Model Aviation Speaking Ag planes OS Wankle-powered Grumman Ag-Cat Dana Anderson captures essence Sport Scale Ag jobs make good fliers because stability maneuverability Control-line version Douglas A-26 Invader light bomber built Nats Champ Ray Smith several years ago Note outstanding details propellers wheel hubs Smith photo GRISH AIRCRAFT TYPE PROPELLERS Made hardwood fully carved true helical pitch airfoil ready sanding ALL SIZES INis$700 8 & 10 PITCH20800 RIGHT HAND221000 ROTATION241 aoo 3/8 BORE AT YOUR DEALER USE TO PROPEL AIR CREATE THRUST AND BE PROPELLED BY AIR AT DISCRETION OF THE PURCHASER 2 Blade Tractor 5-3each 5-45%-35/-4304 6-36-4354 7-47-67-8504 8-48-68-8654 9-49-69-7 9-810-410-6854 11-411-611-8$1 12-412-512-6$150 5y3 2 Blade Pusher 5%-4 6-36-4 354 8-6854j 9-610-6$1 3BladeTractor BLADE 5-3 6-36-4504 3BladePusher 6-3504 Made otpolyester llic Aluminum Color boil color7-67-8$1 8-68-8 $125 9-6 10-6 10-4 $150 Pusher 10-6$150 Dave Cook Secretary Star Route Gran CO 80446 Stanley Pfost DDS NSS President 1481 Howell Branch Road Winter Park FL 32789 League Silent Flight Box 39068 Chicago IL 60639 Gordon Pearson LSF President 8232 Earhart Rd South Lyon MI 48178 Fly Baby kinds conditions come confident model yourself Put together organized thorough documentation booklet Use source plans good scale drawing look through homebuilt magazines per tinent photographs Put works nice binder head next contest CL Scale/Gretz continued page 34 pearance doesnt look bad conventional model engine would plane built entirely Sig balsa plywood wing tail surfaces covered silk covered light-weight Silkspan fuselage covered balsa silk entire plane finished Aero-Gloss dope mixed myself match color original plane am presently build ing Sig J-3 Cub same numbers own 1946 J-3 Cub NC 1464N have set plans scale RC model Piper Pawnee Hope build plane next winter flew Pawnee first started Ag flying have 1800 hours PA-25-235 Pawnee way Dick Ruckel Ive become aware Prop Busters Model Airplane Club Cleveland Ohio has very ac tive group CL Scale fliers Dick sent several good sketches ideas have used him peers Coinci dently ideas building spray dump mechanism model crop dusters accompanying drawing self-explanatory Dick also offered some constructive criticism contest judging based experiences competition season fast approaching think thoughts warrant some careful consideration Dicks letter Theres lot comment about too much detail Sport Scale planes local meet rules discarded model cockpit like Dicks Clip Wing Cub went AMA Scale another contest judges protested Clip Wing being AMA Scalehe said wasnt scale enough model rules dont say Dan Pruss Ri 2 Box 490 Plainfield IL 60544 Fly Baby/Haught continued page 33 turnbuckles securing wires same time Cut lengths aluminum tubing shown slip over ends wire form loop ends feed through hole rigging tabs slip tubing over end again crimp tubing hold together Refer pictures plans rig ging points details Dont forget rig rudder stabilizer landing gear axle Fabricate windshield fuel cap tiedowns wing folding pins pitot tube epoxy place Its little details add final score dont over look Well does look ready experience Control Line Scale competition has taught valu able item can take contest circle experience Practice flying 92 Model Aviation PROPELLERS ALL GRISH PROPELLERS ARE ENGINEERED TO TRUE HELICAL PITCH AND AIRFOIL FOR EFFICIENCY AT YOUR DEALER GRISH ST JOHN INDIANA 46373 Close-up shot tail showing scale steerable tailwheel linkage rudder means small-diameter stiff springs Also see Wischers column photographs author rN DU-BRO SNAP-ON LINKS BOLT-ON LINK 3-piece ball link set No180 must helicopters readily adaptable rudder elevator servo linkage RIC planes boats cars Ball joint action eliminates binding neat clean appearance OnlV 85C TOUGH NYLON LINK SNAPS-ON AND HOLDS TIGHT TAKES CARE OF ANY MISALIGNMENT THREADED LINK MAKES5-Pieceball link set No 181 THROTTLEexcellent off-set steering eHOOK-UPSthrottle servo hookups EASY IIncludes steel ball assembly /2-56 thread washer nut threaded coupler nylon ball link Easily adjustable Only 85C 4 DUBRO PRODUCTS / INC BONNER ROAD DUWAUCON DA ILL 60084 cant have cabin detail say judges arent give points guy wants take Nobler paint like Mus tang thats business same token want take Sigs Cub kit end up model looks like original flies like shouldbut does conform scale sizes etcthats business Weve spent months building models rule book its imperative its used bother building dont need rules just competent judging Besides no body ever said idea event give away trophies anybody thinks should have build rules fly rules youll probably win rules youre ready accept dont enter event last thought lest think bunch screamers down take punch learn think Dick stated very well several important points Anyone competes competitive event based human subjective judging can relate Dicks experiences Perfect judging ideal strive usually dont achieve Its simple fact life dif ferent people see things differently com petitor must learn accept basic fact winners know follow rule book letter demand others same Only will see improvement judging Luckily singled out examples questionable judging have seldom discouraged true competitor Thanks Sport Scale noticing steady increase participation CL Scale flying contests Scale Grapevine.. Dont forget deadline submitting AMA rules change proposals next cycle Sept 1 1978 procedure making proposal noted Feb 78 Model Aviation. Combined CL FF RC Scale contests may catching three scale categories being included St Louis Scale Fly-In held July 2 1978 site will probably Buder Park according Bob Underwood 4109 Concord Oaks Dr St Louis MO 63128 can furnish details. veland Prop Busters busy catchy idea sounds like fun Quoting Dick Ruckel again Take scale drawing magazine like Model viat ion spread build profileto size Mount 010 have ball have carrier hook Mike Gretz Box 162 Montezuma IA 50171 CL Combat/Johnson continued page 35 PIN ROTATES 900 BY 4TH LINE SPRING LOADED FOR RETURN SLOT IN BOMB OR DROP TANK Released Ray Smiths Bomb-Drop Pin operated fourth line simplifies dropping bombs drop tanks made or both planes hit ground Ive lot non-flying friends tell like watch combat re marked took long get match ready have end quickly won der theyd like have spent six hours building plane destroyed badly damaged 35% matches Mick Tiernan excellent article January 1978 issue AeroModeller commenting sad state combat Europe youre wondering Mick Tiernan let say hes won British Nationals probably four five best FAI pilots world Mick admits being old school combat planes went slower lasted long time did matches Theres slow escalation USA Europe radical change two years ago 70-mph diesels 90-100-mph glows current breed horsepower motors has enabled rankest beginner ac quire means 120-mph model held under control 60-mph skill re flexes What easy build Slow Combat ship like scratch-build ship Id suggest Cheater Slow Dan May1978 93 U
Edition: Model Aviation - 1978/05
Page Numbers: 34, 92, 93
Scale El MikeGretz THIS IS first column Ive able put together entirely along format concept originally envisioned being beneficial enjoyable wide range CL Scale modelers issue has contributions several read ers different parts country different levels scale experience Some names possibly familiar some What have common teresting ideas techniques want pass future reference possible use thank fellows taking time write encourage others same 1977 Nats Champ Ray Smith see Feb 78 MA CL Scale sent data earlier scale ships Douglas A-26 InInvader Historically full-size Invader significant generally ac knowledged best destructive WW2s lightweight piston-powered twin-engined bombers A-26 proved last important operational aircraft produced Attack category officially abandoned AAF 1948 embodied Air Corps learned about attack aircraft 30s 40s Its awesome predecessors cluded A-20 Havoc B-26 Marau der B-25 Mitchell attack category called designs suitable ground attack precision bombing low medium altitudes night fighting reconnaissance duties Heavily ar moured protection carrying crew three Invaders powerful offensive armament could include different com binations up 18 50-caliber machine guns cannons 6000 lbs bombs 16 rockets extra fuel tanks A-26 called B-26 after 1948 served effectively through Korean War Rays scale Invader has wing span 72 has two Fox Eagle 60 engines power model weighs 15 pounds has retracting landing gear nose wheel rotates 900 goes up has working flaps bomb bay doors bomb drop built blink ing red light rudder hard see sun light About year ago hung up local hobby shops Ive very good luck Ray also sent sketch bomb drop pin uses bomb drop mechanical triggered use fourth line have pin bot Use Food Coloring Water eValve Block Fuel Line Tubing OUTLET HOLESApprox 20 Holes Bar Start Center Smallest Drill Make Hole Larger As Move Towards End 01 Bar MUSIC WIRE FUEL LINE VATOR THROTrLE OR 4th LINE VALVE BLOCK DETAIL Brass Tube SOLDER ENDS KEEP TANK ABOVE AIRCRAFT CENTER LINE AND SPRAY BAR BELOW FOR GRAVITY FEED OR YOU CAN PRESSURIZE OFF MUFFLER Ag planes really spray crops become possible Dick Ruckels Spray Dump Mechanism spray itself water tinted food coloring diagram makes clear enough tom wing enters bomb cant seen until bomb dropped turn spring loaded will always return same place Dana Anderson Pinehurst Georgia sent pictures well-built Grumman Ag-Cat model refreshing scale en thusiasm undoubtedly fueled im pressive full-size flying experience Dana tells model Ag-Cat unique built model year ago flying 600 hp Ag-Cat since 1971 about 4000 hours 2200 being N7832 made model first Ag-Cat flew choose use OS Wankle engine throttle control scale ap Con tinued page 92 34 Model Aviation Speaking Ag planes OS Wankle-powered Grumman Ag-Cat Dana Anderson captures essence Sport Scale Ag jobs make good fliers because stability maneuverability Control-line version Douglas A-26 Invader light bomber built Nats Champ Ray Smith several years ago Note outstanding details propellers wheel hubs Smith photo GRISH AIRCRAFT TYPE PROPELLERS Made hardwood fully carved true helical pitch airfoil ready sanding ALL SIZES INis$700 8 & 10 PITCH20800 RIGHT HAND221000 ROTATION241 aoo 3/8 BORE AT YOUR DEALER USE TO PROPEL AIR CREATE THRUST AND BE PROPELLED BY AIR AT DISCRETION OF THE PURCHASER 2 Blade Tractor 5-3each 5-45%-35/-4304 6-36-4354 7-47-67-8504 8-48-68-8654 9-49-69-7 9-810-410-6854 11-411-611-8$1 12-412-512-6$150 5y3 2 Blade Pusher 5%-4 6-36-4 354 8-6854j 9-610-6$1 3BladeTractor BLADE 5-3 6-36-4504 3BladePusher 6-3504 Made otpolyester llic Aluminum Color boil color7-67-8$1 8-68-8 $125 9-6 10-6 10-4 $150 Pusher 10-6$150 Dave Cook Secretary Star Route Gran CO 80446 Stanley Pfost DDS NSS President 1481 Howell Branch Road Winter Park FL 32789 League Silent Flight Box 39068 Chicago IL 60639 Gordon Pearson LSF President 8232 Earhart Rd South Lyon MI 48178 Fly Baby kinds conditions come confident model yourself Put together organized thorough documentation booklet Use source plans good scale drawing look through homebuilt magazines per tinent photographs Put works nice binder head next contest CL Scale/Gretz continued page 34 pearance doesnt look bad conventional model engine would plane built entirely Sig balsa plywood wing tail surfaces covered silk covered light-weight Silkspan fuselage covered balsa silk entire plane finished Aero-Gloss dope mixed myself match color original plane am presently build ing Sig J-3 Cub same numbers own 1946 J-3 Cub NC 1464N have set plans scale RC model Piper Pawnee Hope build plane next winter flew Pawnee first started Ag flying have 1800 hours PA-25-235 Pawnee way Dick Ruckel Ive become aware Prop Busters Model Airplane Club Cleveland Ohio has very ac tive group CL Scale fliers Dick sent several good sketches ideas have used him peers Coinci dently ideas building spray dump mechanism model crop dusters accompanying drawing self-explanatory Dick also offered some constructive criticism contest judging based experiences competition season fast approaching think thoughts warrant some careful consideration Dicks letter Theres lot comment about too much detail Sport Scale planes local meet rules discarded model cockpit like Dicks Clip Wing Cub went AMA Scale another contest judges protested Clip Wing being AMA Scalehe said wasnt scale enough model rules dont say Dan Pruss Ri 2 Box 490 Plainfield IL 60544 Fly Baby/Haught continued page 33 turnbuckles securing wires same time Cut lengths aluminum tubing shown slip over ends wire form loop ends feed through hole rigging tabs slip tubing over end again crimp tubing hold together Refer pictures plans rig ging points details Dont forget rig rudder stabilizer landing gear axle Fabricate windshield fuel cap tiedowns wing folding pins pitot tube epoxy place Its little details add final score dont over look Well does look ready experience Control Line Scale competition has taught valu able item can take contest circle experience Practice flying 92 Model Aviation PROPELLERS ALL GRISH PROPELLERS ARE ENGINEERED TO TRUE HELICAL PITCH AND AIRFOIL FOR EFFICIENCY AT YOUR DEALER GRISH ST JOHN INDIANA 46373 Close-up shot tail showing scale steerable tailwheel linkage rudder means small-diameter stiff springs Also see Wischers column photographs author rN DU-BRO SNAP-ON LINKS BOLT-ON LINK 3-piece ball link set No180 must helicopters readily adaptable rudder elevator servo linkage RIC planes boats cars Ball joint action eliminates binding neat clean appearance OnlV 85C TOUGH NYLON LINK SNAPS-ON AND HOLDS TIGHT TAKES CARE OF ANY MISALIGNMENT THREADED LINK MAKES5-Pieceball link set No 181 THROTTLEexcellent off-set steering eHOOK-UPSthrottle servo hookups EASY IIncludes steel ball assembly /2-56 thread washer nut threaded coupler nylon ball link Easily adjustable Only 85C 4 DUBRO PRODUCTS / INC BONNER ROAD DUWAUCON DA ILL 60084 cant have cabin detail say judges arent give points guy wants take Nobler paint like Mus tang thats business same token want take Sigs Cub kit end up model looks like original flies like shouldbut does conform scale sizes etcthats business Weve spent months building models rule book its imperative its used bother building dont need rules just competent judging Besides no body ever said idea event give away trophies anybody thinks should have build rules fly rules youll probably win rules youre ready accept dont enter event last thought lest think bunch screamers down take punch learn think Dick stated very well several important points Anyone competes competitive event based human subjective judging can relate Dicks experiences Perfect judging ideal strive usually dont achieve Its simple fact life dif ferent people see things differently com petitor must learn accept basic fact winners know follow rule book letter demand others same Only will see improvement judging Luckily singled out examples questionable judging have seldom discouraged true competitor Thanks Sport Scale noticing steady increase participation CL Scale flying contests Scale Grapevine.. Dont forget deadline submitting AMA rules change proposals next cycle Sept 1 1978 procedure making proposal noted Feb 78 Model Aviation. Combined CL FF RC Scale contests may catching three scale categories being included St Louis Scale Fly-In held July 2 1978 site will probably Buder Park according Bob Underwood 4109 Concord Oaks Dr St Louis MO 63128 can furnish details. veland Prop Busters busy catchy idea sounds like fun Quoting Dick Ruckel again Take scale drawing magazine like Model viat ion spread build profileto size Mount 010 have ball have carrier hook Mike Gretz Box 162 Montezuma IA 50171 CL Combat/Johnson continued page 35 PIN ROTATES 900 BY 4TH LINE SPRING LOADED FOR RETURN SLOT IN BOMB OR DROP TANK Released Ray Smiths Bomb-Drop Pin operated fourth line simplifies dropping bombs drop tanks made or both planes hit ground Ive lot non-flying friends tell like watch combat re marked took long get match ready have end quickly won der theyd like have spent six hours building plane destroyed badly damaged 35% matches Mick Tiernan excellent article January 1978 issue AeroModeller commenting sad state combat Europe youre wondering Mick Tiernan let say hes won British Nationals probably four five best FAI pilots world Mick admits being old school combat planes went slower lasted long time did matches Theres slow escalation USA Europe radical change two years ago 70-mph diesels 90-100-mph glows current breed horsepower motors has enabled rankest beginner ac quire means 120-mph model held under control 60-mph skill re flexes What easy build Slow Combat ship like scratch-build ship Id suggest Cheater Slow Dan May1978 93 U