Scale Mike Stott Last month discussed what look choosing good scale model month lets talk about what can done detailing Metal-covered aircraft always impressive gives realistic looking over-lap joints well butt joints several different methods covering metal Bill Harney uses requires thin metal print ing plates cut scale panel shapes model formed fuselage wing glued place good contact cement future article well have use metal covering scale model simulate panel markings standard balsa wood construction first mark out panel markings scale location assure proper placement panel lines apply masking tape two layers thick side marked line other panel overlaps Next mix formula Sigment clear dope talcum powder putty-like consistency Layer putty panel area raised up feathering back about inch masking tape Wait till putty mixture has dried sand down level masking tape sure sand completely down masking tape dont later remove tape may break out piece panel line leave rough unfinished edge Putting panel markings last step project finishing covering must have filler coats model before hand since wont want re-sand once panel lines model good tip remember putting filler coats covering mix little paint base color model filler will reduce amount color paint needed finish model later add raised rivets metal-covered model could punch back side metal before putting metal covering model An alternative suggestion drill small holes metal covering press 1/32 round head rivets rivets avail able Sig Mfg Co Inc No glue needed individual rivet because paint model later paint will help hold securely place alternative suggestion using round head rivets can used standard balsa wood construction very good results first column wrote about use control hook-ups Well Mr Patrick Mullen Glendale Wisc wrote method activating flaps control-line model does require motors switches yet gives throttle control somewhat independent flaps As diagrams show pushrod throttle control 3-line bellcrank system passes through guide nylon metal acts against special flap horn consists brass pedal soldered standard flap horn flaps will remain up top half throt tle control will remain down during last continued page 72 7jDEBRASS PLATE HORN PUSH RD 0 SPRI N HIGH THROTTLE BRASS PLATE FLAP HORN1 1/2 THRO 0 1/4 THRO III 0 0 LOW THROTTLE 4-7-75 Mt /003 Top left Bill Rutherford Irving Tex Fox 78-powered YAK won first CL Scale meet Abilene Tex Left Bill Cronk Abilene Fire Dept Capt Fox 35-powered Spitfire En tire model finished MonoKote no paint anywhere Jerry Farr photo September 1975 37 FEATURES VERY ThT WEIGHT Less four grams FAI-A-B CAN NOT DAMAGE ENGINE CAN BE USED WITH %A SQUEEZE-OFF TIMERS RUGGED CONSTRUCTION PITCH GAUGE $1995 IPostage.$150 CL Combat continued page 36 ing observing think latter better description 90 percent pilots now flying can win once charging aiming other guys plane wrapping lines hoping either somehow kill him win air points never become Riley Wooten Carl Berryman such tactics Take look other sports Seldom does boxer finish match 15 seconds chess player win five-move blitz Most Combat matches last less 15 seconds after second plane airborne majority cases both planes destroyed Neither pilot really got use skill reflexes has important fact neither pilot learned darn thing experience loser thinks could have won hed latest Elephant motor plane could turn three-foot loops winner course thinks skill brought him through line tangle subse quent mid-air won fly Combat dont lose plane flight learn something mistakes because fly like fighter chess player Take timetheres five minutes Fake little stay away until get shot opponent giving him chance streamer trade blows youve got about 50 percent chance win much less chance take losing good flying airplane So what want box other guy wants slug out guess Im lucky San Diego because sev eral really good pilots enjoy good long match winning isnt important flew matches almost al AVAILABLE IN 3 SIZES* AA TD$275 A-B FAIl$325 B-C$375 3 FAI Size.. $850 1 Size. $850 Fits competition engines ways better contests because pass up cuts kills avoid mid-air course youve got expect lose lot time too once lost nine straight match es because just flew around played target plane Some guys have win match keep image usually get watch us fly because no will fly because losing plane practice isnt too neat something called sportsmanship too FAI Equipment Id like call attention AMA rulebook page 65 Item 5 4th sentence distance axis handle point attachment control line shall exceed 40 millimeters 1 means using E-Z Just Handle illegal received letter Dave Clarkson response question asked him What kind handles use FAI combat Eu rope told him using E-Z Just 4 Handle called Hot Rock actually less sensitive standard handle Dave replied handle should okay 40-mm rule has never enforced would reckon least 50 percent fly il legal handles Im relieved someone else recognizes difficulty 40-mm rule What really dis gusting no can purchase legal FAI handle means own Individually constructing handles distasteful novice can undoubtedly con struct something unsafe Ive seen few broomhandles used personally lacks class Im making road like map way things ought way book reads So case either need special handle made readily available need rule change allow use something common cannot understand inches would like see rule changed uniform standard equipment agree and/or have other ideas would like see incorporated FAI rules dropped FAI rules John Worth write have ideas considered next ClAM meeting must have ideas submitted AMA John Worth no later Sept 1 1975 have using AMA rules change proposal form getting two endorsements CD Also send carbon copy Dr Laird Jackson 523 Meadowbrook St Davids PA 19087 Doe member ClAM CL subcommit tee may able get group con sider new ideas aside proposals USA CL Scale continued page 37 quarter throttle control Between half quarter throttle flaps being lowered after down completely pushrod will slide over top horn throttle can adjusted over quarter control moving flaps point flaps will activated relative throttle can adjusted lengthening shortening pushrod total degree movement flaps can adjusted changing height pushrod relation horn lowering pushrod relation horn will give greater flap movement speed flaps will actuated can changed shortening height both horn pushrod speed up activation lengthening slow down pedal should well greased spring brings flaps up should just strong enough to insure minimum fric tion system Thanks much idea Pat G-S Products Corp Intl recently wrote letter let know someone else also makes 3-line control unit bellcrank han dle control-line models fact person first produced J-Roberts units G-S Products units sound like would stronger reliable also available four types power crank bellerank lever entirely different provides power stroke over other units offer about 7/~ new G-S belleranks shapes permit use of R/C clevis-type fittings adjustable system will easily take stress man can exertwell over 200 lbs units have far greater strength operate very smoothly under stress G-S Prod ucts has new improved handle available too further information write G-S Products Corp Intl P 0 Box 488 La Grande Oregon 97850 address 118 East Wheeler St North Mankato Minn 56001 Trophy Design Contest Winner Orbiting Eagles Greater Omahal Egbert Bear Butz eyes seeing things well clue youOle Egbert fictitious Stan Chilton 72 Model Aviation THE STOP PROP ENGINE BRAKE Check Money Order Dealer Inquiries Invited Pa residents add 6% sales tee E WWII SCALE AIRCRAFT PLANS 4 Send $1 00 Catalogue Containing copy Superscale drawing Superscale Box 201 Arlington Texas 76012
Edition: Model Aviation - 1975/09
Page Numbers: 37, 72
Scale Mike Stott Last month discussed what look choosing good scale model month lets talk about what can done detailing Metal-covered aircraft always impressive gives realistic looking over-lap joints well butt joints several different methods covering metal Bill Harney uses requires thin metal print ing plates cut scale panel shapes model formed fuselage wing glued place good contact cement future article well have use metal covering scale model simulate panel markings standard balsa wood construction first mark out panel markings scale location assure proper placement panel lines apply masking tape two layers thick side marked line other panel overlaps Next mix formula Sigment clear dope talcum powder putty-like consistency Layer putty panel area raised up feathering back about inch masking tape Wait till putty mixture has dried sand down level masking tape sure sand completely down masking tape dont later remove tape may break out piece panel line leave rough unfinished edge Putting panel markings last step project finishing covering must have filler coats model before hand since wont want re-sand once panel lines model good tip remember putting filler coats covering mix little paint base color model filler will reduce amount color paint needed finish model later add raised rivets metal-covered model could punch back side metal before putting metal covering model An alternative suggestion drill small holes metal covering press 1/32 round head rivets rivets avail able Sig Mfg Co Inc No glue needed individual rivet because paint model later paint will help hold securely place alternative suggestion using round head rivets can used standard balsa wood construction very good results first column wrote about use control hook-ups Well Mr Patrick Mullen Glendale Wisc wrote method activating flaps control-line model does require motors switches yet gives throttle control somewhat independent flaps As diagrams show pushrod throttle control 3-line bellcrank system passes through guide nylon metal acts against special flap horn consists brass pedal soldered standard flap horn flaps will remain up top half throt tle control will remain down during last continued page 72 7jDEBRASS PLATE HORN PUSH RD 0 SPRI N HIGH THROTTLE BRASS PLATE FLAP HORN1 1/2 THRO 0 1/4 THRO III 0 0 LOW THROTTLE 4-7-75 Mt /003 Top left Bill Rutherford Irving Tex Fox 78-powered YAK won first CL Scale meet Abilene Tex Left Bill Cronk Abilene Fire Dept Capt Fox 35-powered Spitfire En tire model finished MonoKote no paint anywhere Jerry Farr photo September 1975 37 FEATURES VERY ThT WEIGHT Less four grams FAI-A-B CAN NOT DAMAGE ENGINE CAN BE USED WITH %A SQUEEZE-OFF TIMERS RUGGED CONSTRUCTION PITCH GAUGE $1995 IPostage.$150 CL Combat continued page 36 ing observing think latter better description 90 percent pilots now flying can win once charging aiming other guys plane wrapping lines hoping either somehow kill him win air points never become Riley Wooten Carl Berryman such tactics Take look other sports Seldom does boxer finish match 15 seconds chess player win five-move blitz Most Combat matches last less 15 seconds after second plane airborne majority cases both planes destroyed Neither pilot really got use skill reflexes has important fact neither pilot learned darn thing experience loser thinks could have won hed latest Elephant motor plane could turn three-foot loops winner course thinks skill brought him through line tangle subse quent mid-air won fly Combat dont lose plane flight learn something mistakes because fly like fighter chess player Take timetheres five minutes Fake little stay away until get shot opponent giving him chance streamer trade blows youve got about 50 percent chance win much less chance take losing good flying airplane So what want box other guy wants slug out guess Im lucky San Diego because sev eral really good pilots enjoy good long match winning isnt important flew matches almost al AVAILABLE IN 3 SIZES* AA TD$275 A-B FAIl$325 B-C$375 3 FAI Size.. $850 1 Size. $850 Fits competition engines ways better contests because pass up cuts kills avoid mid-air course youve got expect lose lot time too once lost nine straight match es because just flew around played target plane Some guys have win match keep image usually get watch us fly because no will fly because losing plane practice isnt too neat something called sportsmanship too FAI Equipment Id like call attention AMA rulebook page 65 Item 5 4th sentence distance axis handle point attachment control line shall exceed 40 millimeters 1 means using E-Z Just Handle illegal received letter Dave Clarkson response question asked him What kind handles use FAI combat Eu rope told him using E-Z Just 4 Handle called Hot Rock actually less sensitive standard handle Dave replied handle should okay 40-mm rule has never enforced would reckon least 50 percent fly il legal handles Im relieved someone else recognizes difficulty 40-mm rule What really dis gusting no can purchase legal FAI handle means own Individually constructing handles distasteful novice can undoubtedly con struct something unsafe Ive seen few broomhandles used personally lacks class Im making road like map way things ought way book reads So case either need special handle made readily available need rule change allow use something common cannot understand inches would like see rule changed uniform standard equipment agree and/or have other ideas would like see incorporated FAI rules dropped FAI rules John Worth write have ideas considered next ClAM meeting must have ideas submitted AMA John Worth no later Sept 1 1975 have using AMA rules change proposal form getting two endorsements CD Also send carbon copy Dr Laird Jackson 523 Meadowbrook St Davids PA 19087 Doe member ClAM CL subcommit tee may able get group con sider new ideas aside proposals USA CL Scale continued page 37 quarter throttle control Between half quarter throttle flaps being lowered after down completely pushrod will slide over top horn throttle can adjusted over quarter control moving flaps point flaps will activated relative throttle can adjusted lengthening shortening pushrod total degree movement flaps can adjusted changing height pushrod relation horn lowering pushrod relation horn will give greater flap movement speed flaps will actuated can changed shortening height both horn pushrod speed up activation lengthening slow down pedal should well greased spring brings flaps up should just strong enough to insure minimum fric tion system Thanks much idea Pat G-S Products Corp Intl recently wrote letter let know someone else also makes 3-line control unit bellcrank han dle control-line models fact person first produced J-Roberts units G-S Products units sound like would stronger reliable also available four types power crank bellerank lever entirely different provides power stroke over other units offer about 7/~ new G-S belleranks shapes permit use of R/C clevis-type fittings adjustable system will easily take stress man can exertwell over 200 lbs units have far greater strength operate very smoothly under stress G-S Prod ucts has new improved handle available too further information write G-S Products Corp Intl P 0 Box 488 La Grande Oregon 97850 address 118 East Wheeler St North Mankato Minn 56001 Trophy Design Contest Winner Orbiting Eagles Greater Omahal Egbert Bear Butz eyes seeing things well clue youOle Egbert fictitious Stan Chilton 72 Model Aviation THE STOP PROP ENGINE BRAKE Check Money Order Dealer Inquiries Invited Pa residents add 6% sales tee E WWII SCALE AIRCRAFT PLANS 4 Send $1 00 Catalogue Containing copy Superscale drawing Superscale Box 201 Arlington Texas 76012