METALLIC Finishes Art supply houses have array metal powders can mixed various vehicles surprising variation fineness color gradation available aluminum bronze powders sold one-ounce plastic containers mixing small quantities sufficient plane pound cans paint fleet Bronze powders vary color white gold deep reddish hues Continued page 115 28 Model Aviation Popular Mint Julep Scale meet attracted variety modeling subjects Among 38 entries mixed bag single- multi-engine monoplanes biplanes across wide time spectrum brass copper between about ten shadesprevent bleeding colors planes Some tinged color such green forfinished aluminum possible choose super spectacular finishes shades goldfineness aluminum flake powder obtain commonly used modern planes theyscale finish example coarse flake found quite often antique classic eraused prototype model should shipspainted much finer material obtain scale Aluminum dope sometimes used primereffect add brilliance succeeding color coats S ivoriie out aeiaom moaeiea until recently see Bee snapped Randy Randolphat Dallas RCCIub Scalecontest 2A-in scale Curtiss Robin scaled up Joe Nieto plans MAN Bill Kleinhans Supertigre 60 drives 20-10 prop via modified Du-Bro prop drive Span realistic classic 8% feet Williams orotners cyiinuers mooiiieu br ari nompaun S i-OCK vvuit 44J TUll picture pg i NovJ Note metal-edged prop hub details Sheet metal behind engine originalheat engine vents through cockpit Wheels Stieglitzfrom MRC motorcycle kitworking shocks sheet-metal shrouds Refurbished full-scale flown Monty Grows paid visit Natsuncommon comparison between big little rORLINE RICS NEWEST CREATION DEWEYVILLE SPECIAL Trainer FOKKER DV1 1 Kit 0L781 $9750 Retail SEE YOUR DEALER OR DER DIRECT POST-PAID Dealer & Distributor Inquiries Invited Totally New Design Wing Aileron Permits OneNight Assembly 74 Wing Span 12 Consistance Chord Clark Y Wing Total Wing Area 864 Sq Plus Lifting Stab Quick Construction Box Fuselage Die-Cut Formers o Fool proof wing set-up use jigs accomplish ed pre-bent piece cabanas Vstruts fit pre-dadoed pre-drilled hardwood blocks thus eliminating special alignment o With 60 engine ailerons set minimum throw plane very docile trainer o With 60 engine ailerons set maximum throw plane handles like pattern ship will deliver thrills advanced R/C er iIlfrtd td M1 &hhi CI Pi~M H,od & hi. Pt eii, Rdm Pbg q SOPWITH PUP Kit 0L792 $11995 Retail C ORLINE R/O INC P0 Box 12725 Salem OR 97309 Tel 503 792 --3627 standings top six Second through sixth less 4% top score looked down 10th place Gerneke South Africa less 8% first place Four out 10 top planes what could call conventional construction Spavins South Africa finished third less 2% away World Championship title drawback plane its inablllty carry enough ballast needed wasnt structural defici ency merely model limited ballast space Wing ballast tubes could solve problem What does mean next breed US planes expect competitive FAI World Championships Well its hard criticize perfection glass-cov ered foam Eppler 193 airfoils within 1/100th millimeter what good doctor designed especially youre shaping leading edge sanding block template have ask yourself 1600-plus hours spent wing mold could take 100 hours enoughand build conventional wing use remaining 15 00 hours practice would lessthan-perfect plane much disad vantage After sifting analyzing scores US team still feels merit latter approach thing certain balsa dead Next month well wrap up article ideas can use sailplane build fly along some flying tech niques used top fliers Late item Dave Peltz secretary San Fernando Valley Silent Flyers has announced Two-Meter international event scheduled January 19-20 1980 event will Two-Meter designs will involve speed distance duration tasks nounced further information write 2-Meter World Cup Doug Ford 18630 Nau Ave Northridge CA 91326 USA call Doug Ford 213 360-6213 Sam Brown 805 9424956 event co-spon sored SFVSF Antelope Valley Soaring Association Dan Pruss Rt 2 Box 490 Plainfield IL 60S44 RC Scale/Wischers continued page 28 Both bronze aluminum powders have property makes very desireable model finishing flakes overlap form continuous film applied very thin layer minimum weight added As example one-ounce vial bronze powder mixed thin dope will easily cover fivefoot-span model coat no evidence transparency lightweight finish Aluminum powder will same job less weight Because bronze powder heavier suspended thin dope must stirred well before spraying settles quickly matter fineness finish has point contention among scale modelers ages Microscopic exanunation hand-rubbed finish will show presence minute scratches formed abrasive rubbing compound Shouldnt 1/5-scale model have scratches 1/5 size prototype Wouldnt December1979 115 Os Pi, ABS Cml KIT ALSO 040 5so& Tsi Acite Cpy INCLUDES Ai,m Ldig Os. fr,kd fll 5isd 51W P1. TWO MORE GREAT VALUES FROM ORLINE Old Ignition Trade-in Buy sell old time ignition engines Box up what have send us honest appraisal could worth new proportional set have engines can also start collection welcome built-up airplanes used proportionals old time ignition engines Come trade us lop dollar paid K- Custom-Wit-RIC Built Order Rons Ka stock choose PIpe Td-Pocr Quarter-Scole 69 wIngspan 42 Sq Ft derailed plans $1699 PP Send $100 self addressed stamped envelope detailed list I3ullt-Up R/C Models 50% Sole Hobby Capitol Distilbutors 46 N Oak St Ventura CA 93001 Ftione 805 642-8465 / 643-7616 result apparently glossy surface prototype competition difficult convince static judge high gloss finish justified because diminuition surface defects due scale effect Most people think model finish should duplicate original no variation degree gloss Powdered metal finishes difficult apply evenly brush edge brush stroke becomes very plainly visible leaving telltale traces after drying Apparently brushing causes some metal flakes stand edge Spray equipment required obtain first class finish preference onehorsepower compressor spray gun sufficiently large pattern cover wing two passes leaves wet coat permits metal flake flatten continuous membrane no visible edges large wing completely sprayed few seconds side Powdered metal finishes easy touch up after repairs use air brush help disguise patched area maximum gloss spraying colors use blush retardant thinner slow down drying particularly humid wea ther usual ratio 60% dope 40% thinner An ounce powdered bronze i ounce aluminum will make 1 pints spraying material approximate quantity fill spray gun container Acceptable results can obtained large variations ratios finish too transparent add powder use second coat Metal flake finishes have amazing covering power Canopy Adhesiom Within past few months have two experiences canopies being blown otT during flight lift canopy due slipstream quite strong canopy epoxied place secured ten brass pins forced fuselage along its edges high speed canopy exploded slip stream remains found later pins bent right angles have come conclusion epoxy does form permanent bond Plexiglas new canopy stalled using Wilhold RC-56 glue two pins front second mishap occured Nats Piel Beryl lost 80% its canopy also 1/3 2 Plexiglas adhesive affected 100 degree temperatures runway canopy fastened brass tube frame using 1/32 thick double adhesive Fasson foam tape tape aged three years lost some its stickiness new canopy fastened same manner have made mental note check its adhesion hot weather foam tape cut W wide strips applied eter brass tube frame 1/32 plastic canopy lowered carefully over frame pressed onto tape Adhesion instantaneous plastic cannot moved once touches tape its location must correct first try bond between tape plastic permanent between tape tube dependent upon amount pressure applied during application deflection tape wrapping around tube amount lift generated sloping windshield followed airfoil shaped canopy must considerable Sport Aviation magazine describes canopy problem 1 90-mph homebuilt Mustang II found canopy needed held down securely along its lower edges stop lifting action caused large gaps form canopy frame required stiffening latching down places possible Ths another example parallel problems fuce along experimental aircraft builders Sport Scale models permanently fastened canopies will less susceptible problems nature Sliding hinged canopies will likely affected watching ground lifting will perceptible Take word lift present canopy jettisons hits fin Fasten tightly build strong fin Fortunately loss canopy seems have no effect flight characteristics loss fin rudder might prove disastrous Nats Notes Dan Parsons Ted White flew Martin-Baker MB-5 fighters Sport Scale Dan also flew same plane Pattern glves some idea its capabilities Teds lowlevel passes steep turns deck stirred cheers applause hard tell whether cheering skill daring encourage lower passes no ques tion Ted superb showman pilot Webra Speed 61 gives plane performance similar Formula Ted fifth highest individual flight score would interesting see what change would come effort fly near scale speed fast planes Nats appeared flying scale speed three ducted fan entries Bob Violetts Dennis Gradys Skyhawk A4s ME 262 twin Tom Cook other end speed range 9foot PT-22 flown slowly Bob Karlsson appeared tobe below scale speed although probably wasnt Larry DAttiio experiencing eleva tor flutter Fokker D-23 push-pull twin solved using double control rods last ditch effort Lincoin just before flying began decided upon test flight prove addition working drove Lincoln Skyknights field way met misfortune truck going opposite direction loaded steel reinforcement concrete lost part its load demolished left front Larrys car swerve kept penetrating windshield concerned about close ness injury possible death true modeler first act examine plane assess damage car spectator interest measure RC Scale must ultimate challenge modeling ffights end difficult subject spontaneous acknowledgement large audience reward months years spent development construction aclaim combined com petitive spirit opportunity see master pieces action forces bring us together Nats 116 Model Aviation Slope Squire$4300 Featured RIG SPORTSMAN Jan 77 Saracen$34L00 Featured RCM April 1976 Seville$49 Feawred MODEL AVIATION Anr Winterhawk Featured MODEL AVIATION Hotrock Featured MODEL AVIATION Nov 77 Simitar 540$5995 eatured ROM Oct 1978 Walt Returns Walt Moucha has absent contest scene has returned Walt now lives area Meno minee Michigan has joined forces Balsa USA appeared two events Milwaukee area RC Hobbies First Annual Scale Jamboree later Sport Precision Scale contest conducted Milwaukee Flying Electrons Jamboree attracted 27 scale models contest 19 entrants two Precision class Walts planes both events -scale Piper Cub -scale Sopwith Pup promptly walked off first place both non military military Sport Scale events Both kits produced Balsa USA Walts Fly Baby also finished second Precision Scale class give him total three hand-crafted trophies plaques mounting copper wire skeleton Fokker D-7 having span 7 26-pound Sopwith uses Quadra engine remarkably realistic flights no doubt result Walts experience WW Rhinebeck events Pup finished Coverite left natural bottom surfaces given light coat flat olive drab top rubbed produce weathering Super-Detailed Drawings Morrison Repla Tech offers series drawings showing greater exterior detail ordinarily seen Starduster Too shown 12 configurations color schemes two 24X35 sheets Such wide choice subjects popular homebuilt luxury seldom enjoyed modelers Some shown main wheel location moved rearward reduced ground looping tendencies smoother lift-off field modification builders would helpful modelers proved prototype graceful semi-elliptical swept wing biplane Starduster has potential becoming model ing favorite ducted-fan advocates Morrison has pro duced super-detailed plans four sheets ihe General Dynamics F-16 fighter production versions F-16A B Other ducted fan possi bilities Morrison drawings include F-14 Tomcat Mig 25 Foxbat YAK-36 Forger catalog available 50 Morrison Repla-Tech 48500 McKenzie Hwy Vida OR 97488 Bob Dolly Wiseher Rt 1 S-221 Lapham Peak Road DelafiehL WI 53018 RC Helicopters/Chesney continued page 30 freak accident bad glow plug caused crash middle beautiful barrel roll Lloyd retired repair not-too-badlydamaged machine About half hour later ready trim out chopper again As rotor head ran up quite bit vibration battery pack disconnected receiver rotors started revving up faster Lloyd realizing no control grabbed tail boom stern no no dump blades ground Lloyds first thought safety himself crowd puff wind caused machine dumb twist hand cut hand very badly blades will alright will have nasty scar emphasize stern advice Never grab tail boom Heli copter time can happen December1979 117 -J N
Edition: Model Aviation - 1979/12
Page Numbers: 28, 115, 116, 117
METALLIC Finishes Art supply houses have array metal powders can mixed various vehicles surprising variation fineness color gradation available aluminum bronze powders sold one-ounce plastic containers mixing small quantities sufficient plane pound cans paint fleet Bronze powders vary color white gold deep reddish hues Continued page 115 28 Model Aviation Popular Mint Julep Scale meet attracted variety modeling subjects Among 38 entries mixed bag single- multi-engine monoplanes biplanes across wide time spectrum brass copper between about ten shadesprevent bleeding colors planes Some tinged color such green forfinished aluminum possible choose super spectacular finishes shades goldfineness aluminum flake powder obtain commonly used modern planes theyscale finish example coarse flake found quite often antique classic eraused prototype model should shipspainted much finer material obtain scale Aluminum dope sometimes used primereffect add brilliance succeeding color coats S ivoriie out aeiaom moaeiea until recently see Bee snapped Randy Randolphat Dallas RCCIub Scalecontest 2A-in scale Curtiss Robin scaled up Joe Nieto plans MAN Bill Kleinhans Supertigre 60 drives 20-10 prop via modified Du-Bro prop drive Span realistic classic 8% feet Williams orotners cyiinuers mooiiieu br ari nompaun S i-OCK vvuit 44J TUll picture pg i NovJ Note metal-edged prop hub details Sheet metal behind engine originalheat engine vents through cockpit Wheels Stieglitzfrom MRC motorcycle kitworking shocks sheet-metal shrouds Refurbished full-scale flown Monty Grows paid visit Natsuncommon comparison between big little rORLINE RICS NEWEST CREATION DEWEYVILLE SPECIAL Trainer FOKKER DV1 1 Kit 0L781 $9750 Retail SEE YOUR DEALER OR DER DIRECT POST-PAID Dealer & Distributor Inquiries Invited Totally New Design Wing Aileron Permits OneNight Assembly 74 Wing Span 12 Consistance Chord Clark Y Wing Total Wing Area 864 Sq Plus Lifting Stab Quick Construction Box Fuselage Die-Cut Formers o Fool proof wing set-up use jigs accomplish ed pre-bent piece cabanas Vstruts fit pre-dadoed pre-drilled hardwood blocks thus eliminating special alignment o With 60 engine ailerons set minimum throw plane very docile trainer o With 60 engine ailerons set maximum throw plane handles like pattern ship will deliver thrills advanced R/C er iIlfrtd td M1 &hhi CI Pi~M H,od & hi. Pt eii, Rdm Pbg q SOPWITH PUP Kit 0L792 $11995 Retail C ORLINE R/O INC P0 Box 12725 Salem OR 97309 Tel 503 792 --3627 standings top six Second through sixth less 4% top score looked down 10th place Gerneke South Africa less 8% first place Four out 10 top planes what could call conventional construction Spavins South Africa finished third less 2% away World Championship title drawback plane its inablllty carry enough ballast needed wasnt structural defici ency merely model limited ballast space Wing ballast tubes could solve problem What does mean next breed US planes expect competitive FAI World Championships Well its hard criticize perfection glass-cov ered foam Eppler 193 airfoils within 1/100th millimeter what good doctor designed especially youre shaping leading edge sanding block template have ask yourself 1600-plus hours spent wing mold could take 100 hours enoughand build conventional wing use remaining 15 00 hours practice would lessthan-perfect plane much disad vantage After sifting analyzing scores US team still feels merit latter approach thing certain balsa dead Next month well wrap up article ideas can use sailplane build fly along some flying tech niques used top fliers Late item Dave Peltz secretary San Fernando Valley Silent Flyers has announced Two-Meter international event scheduled January 19-20 1980 event will Two-Meter designs will involve speed distance duration tasks nounced further information write 2-Meter World Cup Doug Ford 18630 Nau Ave Northridge CA 91326 USA call Doug Ford 213 360-6213 Sam Brown 805 9424956 event co-spon sored SFVSF Antelope Valley Soaring Association Dan Pruss Rt 2 Box 490 Plainfield IL 60S44 RC Scale/Wischers continued page 28 Both bronze aluminum powders have property makes very desireable model finishing flakes overlap form continuous film applied very thin layer minimum weight added As example one-ounce vial bronze powder mixed thin dope will easily cover fivefoot-span model coat no evidence transparency lightweight finish Aluminum powder will same job less weight Because bronze powder heavier suspended thin dope must stirred well before spraying settles quickly matter fineness finish has point contention among scale modelers ages Microscopic exanunation hand-rubbed finish will show presence minute scratches formed abrasive rubbing compound Shouldnt 1/5-scale model have scratches 1/5 size prototype Wouldnt December1979 115 Os Pi, ABS Cml KIT ALSO 040 5so& Tsi Acite Cpy INCLUDES Ai,m Ldig Os. fr,kd fll 5isd 51W P1. TWO MORE GREAT VALUES FROM ORLINE Old Ignition Trade-in Buy sell old time ignition engines Box up what have send us honest appraisal could worth new proportional set have engines can also start collection welcome built-up airplanes used proportionals old time ignition engines Come trade us lop dollar paid K- Custom-Wit-RIC Built Order Rons Ka stock choose PIpe Td-Pocr Quarter-Scole 69 wIngspan 42 Sq Ft derailed plans $1699 PP Send $100 self addressed stamped envelope detailed list I3ullt-Up R/C Models 50% Sole Hobby Capitol Distilbutors 46 N Oak St Ventura CA 93001 Ftione 805 642-8465 / 643-7616 result apparently glossy surface prototype competition difficult convince static judge high gloss finish justified because diminuition surface defects due scale effect Most people think model finish should duplicate original no variation degree gloss Powdered metal finishes difficult apply evenly brush edge brush stroke becomes very plainly visible leaving telltale traces after drying Apparently brushing causes some metal flakes stand edge Spray equipment required obtain first class finish preference onehorsepower compressor spray gun sufficiently large pattern cover wing two passes leaves wet coat permits metal flake flatten continuous membrane no visible edges large wing completely sprayed few seconds side Powdered metal finishes easy touch up after repairs use air brush help disguise patched area maximum gloss spraying colors use blush retardant thinner slow down drying particularly humid wea ther usual ratio 60% dope 40% thinner An ounce powdered bronze i ounce aluminum will make 1 pints spraying material approximate quantity fill spray gun container Acceptable results can obtained large variations ratios finish too transparent add powder use second coat Metal flake finishes have amazing covering power Canopy Adhesiom Within past few months have two experiences canopies being blown otT during flight lift canopy due slipstream quite strong canopy epoxied place secured ten brass pins forced fuselage along its edges high speed canopy exploded slip stream remains found later pins bent right angles have come conclusion epoxy does form permanent bond Plexiglas new canopy stalled using Wilhold RC-56 glue two pins front second mishap occured Nats Piel Beryl lost 80% its canopy also 1/3 2 Plexiglas adhesive affected 100 degree temperatures runway canopy fastened brass tube frame using 1/32 thick double adhesive Fasson foam tape tape aged three years lost some its stickiness new canopy fastened same manner have made mental note check its adhesion hot weather foam tape cut W wide strips applied eter brass tube frame 1/32 plastic canopy lowered carefully over frame pressed onto tape Adhesion instantaneous plastic cannot moved once touches tape its location must correct first try bond between tape plastic permanent between tape tube dependent upon amount pressure applied during application deflection tape wrapping around tube amount lift generated sloping windshield followed airfoil shaped canopy must considerable Sport Aviation magazine describes canopy problem 1 90-mph homebuilt Mustang II found canopy needed held down securely along its lower edges stop lifting action caused large gaps form canopy frame required stiffening latching down places possible Ths another example parallel problems fuce along experimental aircraft builders Sport Scale models permanently fastened canopies will less susceptible problems nature Sliding hinged canopies will likely affected watching ground lifting will perceptible Take word lift present canopy jettisons hits fin Fasten tightly build strong fin Fortunately loss canopy seems have no effect flight characteristics loss fin rudder might prove disastrous Nats Notes Dan Parsons Ted White flew Martin-Baker MB-5 fighters Sport Scale Dan also flew same plane Pattern glves some idea its capabilities Teds lowlevel passes steep turns deck stirred cheers applause hard tell whether cheering skill daring encourage lower passes no ques tion Ted superb showman pilot Webra Speed 61 gives plane performance similar Formula Ted fifth highest individual flight score would interesting see what change would come effort fly near scale speed fast planes Nats appeared flying scale speed three ducted fan entries Bob Violetts Dennis Gradys Skyhawk A4s ME 262 twin Tom Cook other end speed range 9foot PT-22 flown slowly Bob Karlsson appeared tobe below scale speed although probably wasnt Larry DAttiio experiencing eleva tor flutter Fokker D-23 push-pull twin solved using double control rods last ditch effort Lincoin just before flying began decided upon test flight prove addition working drove Lincoln Skyknights field way met misfortune truck going opposite direction loaded steel reinforcement concrete lost part its load demolished left front Larrys car swerve kept penetrating windshield concerned about close ness injury possible death true modeler first act examine plane assess damage car spectator interest measure RC Scale must ultimate challenge modeling ffights end difficult subject spontaneous acknowledgement large audience reward months years spent development construction aclaim combined com petitive spirit opportunity see master pieces action forces bring us together Nats 116 Model Aviation Slope Squire$4300 Featured RIG SPORTSMAN Jan 77 Saracen$34L00 Featured RCM April 1976 Seville$49 Feawred MODEL AVIATION Anr Winterhawk Featured MODEL AVIATION Hotrock Featured MODEL AVIATION Nov 77 Simitar 540$5995 eatured ROM Oct 1978 Walt Returns Walt Moucha has absent contest scene has returned Walt now lives area Meno minee Michigan has joined forces Balsa USA appeared two events Milwaukee area RC Hobbies First Annual Scale Jamboree later Sport Precision Scale contest conducted Milwaukee Flying Electrons Jamboree attracted 27 scale models contest 19 entrants two Precision class Walts planes both events -scale Piper Cub -scale Sopwith Pup promptly walked off first place both non military military Sport Scale events Both kits produced Balsa USA Walts Fly Baby also finished second Precision Scale class give him total three hand-crafted trophies plaques mounting copper wire skeleton Fokker D-7 having span 7 26-pound Sopwith uses Quadra engine remarkably realistic flights no doubt result Walts experience WW Rhinebeck events Pup finished Coverite left natural bottom surfaces given light coat flat olive drab top rubbed produce weathering Super-Detailed Drawings Morrison Repla Tech offers series drawings showing greater exterior detail ordinarily seen Starduster Too shown 12 configurations color schemes two 24X35 sheets Such wide choice subjects popular homebuilt luxury seldom enjoyed modelers Some shown main wheel location moved rearward reduced ground looping tendencies smoother lift-off field modification builders would helpful modelers proved prototype graceful semi-elliptical swept wing biplane Starduster has potential becoming model ing favorite ducted-fan advocates Morrison has pro duced super-detailed plans four sheets ihe General Dynamics F-16 fighter production versions F-16A B Other ducted fan possi bilities Morrison drawings include F-14 Tomcat Mig 25 Foxbat YAK-36 Forger catalog available 50 Morrison Repla-Tech 48500 McKenzie Hwy Vida OR 97488 Bob Dolly Wiseher Rt 1 S-221 Lapham Peak Road DelafiehL WI 53018 RC Helicopters/Chesney continued page 30 freak accident bad glow plug caused crash middle beautiful barrel roll Lloyd retired repair not-too-badlydamaged machine About half hour later ready trim out chopper again As rotor head ran up quite bit vibration battery pack disconnected receiver rotors started revving up faster Lloyd realizing no control grabbed tail boom stern no no dump blades ground Lloyds first thought safety himself crowd puff wind caused machine dumb twist hand cut hand very badly blades will alright will have nasty scar emphasize stern advice Never grab tail boom Heli copter time can happen December1979 117 -J N
Edition: Model Aviation - 1979/12
Page Numbers: 28, 115, 116, 117
METALLIC Finishes Art supply houses have array metal powders can mixed various vehicles surprising variation fineness color gradation available aluminum bronze powders sold one-ounce plastic containers mixing small quantities sufficient plane pound cans paint fleet Bronze powders vary color white gold deep reddish hues Continued page 115 28 Model Aviation Popular Mint Julep Scale meet attracted variety modeling subjects Among 38 entries mixed bag single- multi-engine monoplanes biplanes across wide time spectrum brass copper between about ten shadesprevent bleeding colors planes Some tinged color such green forfinished aluminum possible choose super spectacular finishes shades goldfineness aluminum flake powder obtain commonly used modern planes theyscale finish example coarse flake found quite often antique classic eraused prototype model should shipspainted much finer material obtain scale Aluminum dope sometimes used primereffect add brilliance succeeding color coats S ivoriie out aeiaom moaeiea until recently see Bee snapped Randy Randolphat Dallas RCCIub Scalecontest 2A-in scale Curtiss Robin scaled up Joe Nieto plans MAN Bill Kleinhans Supertigre 60 drives 20-10 prop via modified Du-Bro prop drive Span realistic classic 8% feet Williams orotners cyiinuers mooiiieu br ari nompaun S i-OCK vvuit 44J TUll picture pg i NovJ Note metal-edged prop hub details Sheet metal behind engine originalheat engine vents through cockpit Wheels Stieglitzfrom MRC motorcycle kitworking shocks sheet-metal shrouds Refurbished full-scale flown Monty Grows paid visit Natsuncommon comparison between big little rORLINE RICS NEWEST CREATION DEWEYVILLE SPECIAL Trainer FOKKER DV1 1 Kit 0L781 $9750 Retail SEE YOUR DEALER OR DER DIRECT POST-PAID Dealer & Distributor Inquiries Invited Totally New Design Wing Aileron Permits OneNight Assembly 74 Wing Span 12 Consistance Chord Clark Y Wing Total Wing Area 864 Sq Plus Lifting Stab Quick Construction Box Fuselage Die-Cut Formers o Fool proof wing set-up use jigs accomplish ed pre-bent piece cabanas Vstruts fit pre-dadoed pre-drilled hardwood blocks thus eliminating special alignment o With 60 engine ailerons set minimum throw plane very docile trainer o With 60 engine ailerons set maximum throw plane handles like pattern ship will deliver thrills advanced R/C er iIlfrtd td M1 &hhi CI Pi~M H,od & hi. Pt eii, Rdm Pbg q SOPWITH PUP Kit 0L792 $11995 Retail C ORLINE R/O INC P0 Box 12725 Salem OR 97309 Tel 503 792 --3627 standings top six Second through sixth less 4% top score looked down 10th place Gerneke South Africa less 8% first place Four out 10 top planes what could call conventional construction Spavins South Africa finished third less 2% away World Championship title drawback plane its inablllty carry enough ballast needed wasnt structural defici ency merely model limited ballast space Wing ballast tubes could solve problem What does mean next breed US planes expect competitive FAI World Championships Well its hard criticize perfection glass-cov ered foam Eppler 193 airfoils within 1/100th millimeter what good doctor designed especially youre shaping leading edge sanding block template have ask yourself 1600-plus hours spent wing mold could take 100 hours enoughand build conventional wing use remaining 15 00 hours practice would lessthan-perfect plane much disad vantage After sifting analyzing scores US team still feels merit latter approach thing certain balsa dead Next month well wrap up article ideas can use sailplane build fly along some flying tech niques used top fliers Late item Dave Peltz secretary San Fernando Valley Silent Flyers has announced Two-Meter international event scheduled January 19-20 1980 event will Two-Meter designs will involve speed distance duration tasks nounced further information write 2-Meter World Cup Doug Ford 18630 Nau Ave Northridge CA 91326 USA call Doug Ford 213 360-6213 Sam Brown 805 9424956 event co-spon sored SFVSF Antelope Valley Soaring Association Dan Pruss Rt 2 Box 490 Plainfield IL 60S44 RC Scale/Wischers continued page 28 Both bronze aluminum powders have property makes very desireable model finishing flakes overlap form continuous film applied very thin layer minimum weight added As example one-ounce vial bronze powder mixed thin dope will easily cover fivefoot-span model coat no evidence transparency lightweight finish Aluminum powder will same job less weight Because bronze powder heavier suspended thin dope must stirred well before spraying settles quickly matter fineness finish has point contention among scale modelers ages Microscopic exanunation hand-rubbed finish will show presence minute scratches formed abrasive rubbing compound Shouldnt 1/5-scale model have scratches 1/5 size prototype Wouldnt December1979 115 Os Pi, ABS Cml KIT ALSO 040 5so& Tsi Acite Cpy INCLUDES Ai,m Ldig Os. fr,kd fll 5isd 51W P1. TWO MORE GREAT VALUES FROM ORLINE Old Ignition Trade-in Buy sell old time ignition engines Box up what have send us honest appraisal could worth new proportional set have engines can also start collection welcome built-up airplanes used proportionals old time ignition engines Come trade us lop dollar paid K- Custom-Wit-RIC Built Order Rons Ka stock choose PIpe Td-Pocr Quarter-Scole 69 wIngspan 42 Sq Ft derailed plans $1699 PP Send $100 self addressed stamped envelope detailed list I3ullt-Up R/C Models 50% Sole Hobby Capitol Distilbutors 46 N Oak St Ventura CA 93001 Ftione 805 642-8465 / 643-7616 result apparently glossy surface prototype competition difficult convince static judge high gloss finish justified because diminuition surface defects due scale effect Most people think model finish should duplicate original no variation degree gloss Powdered metal finishes difficult apply evenly brush edge brush stroke becomes very plainly visible leaving telltale traces after drying Apparently brushing causes some metal flakes stand edge Spray equipment required obtain first class finish preference onehorsepower compressor spray gun sufficiently large pattern cover wing two passes leaves wet coat permits metal flake flatten continuous membrane no visible edges large wing completely sprayed few seconds side Powdered metal finishes easy touch up after repairs use air brush help disguise patched area maximum gloss spraying colors use blush retardant thinner slow down drying particularly humid wea ther usual ratio 60% dope 40% thinner An ounce powdered bronze i ounce aluminum will make 1 pints spraying material approximate quantity fill spray gun container Acceptable results can obtained large variations ratios finish too transparent add powder use second coat Metal flake finishes have amazing covering power Canopy Adhesiom Within past few months have two experiences canopies being blown otT during flight lift canopy due slipstream quite strong canopy epoxied place secured ten brass pins forced fuselage along its edges high speed canopy exploded slip stream remains found later pins bent right angles have come conclusion epoxy does form permanent bond Plexiglas new canopy stalled using Wilhold RC-56 glue two pins front second mishap occured Nats Piel Beryl lost 80% its canopy also 1/3 2 Plexiglas adhesive affected 100 degree temperatures runway canopy fastened brass tube frame using 1/32 thick double adhesive Fasson foam tape tape aged three years lost some its stickiness new canopy fastened same manner have made mental note check its adhesion hot weather foam tape cut W wide strips applied eter brass tube frame 1/32 plastic canopy lowered carefully over frame pressed onto tape Adhesion instantaneous plastic cannot moved once touches tape its location must correct first try bond between tape plastic permanent between tape tube dependent upon amount pressure applied during application deflection tape wrapping around tube amount lift generated sloping windshield followed airfoil shaped canopy must considerable Sport Aviation magazine describes canopy problem 1 90-mph homebuilt Mustang II found canopy needed held down securely along its lower edges stop lifting action caused large gaps form canopy frame required stiffening latching down places possible Ths another example parallel problems fuce along experimental aircraft builders Sport Scale models permanently fastened canopies will less susceptible problems nature Sliding hinged canopies will likely affected watching ground lifting will perceptible Take word lift present canopy jettisons hits fin Fasten tightly build strong fin Fortunately loss canopy seems have no effect flight characteristics loss fin rudder might prove disastrous Nats Notes Dan Parsons Ted White flew Martin-Baker MB-5 fighters Sport Scale Dan also flew same plane Pattern glves some idea its capabilities Teds lowlevel passes steep turns deck stirred cheers applause hard tell whether cheering skill daring encourage lower passes no ques tion Ted superb showman pilot Webra Speed 61 gives plane performance similar Formula Ted fifth highest individual flight score would interesting see what change would come effort fly near scale speed fast planes Nats appeared flying scale speed three ducted fan entries Bob Violetts Dennis Gradys Skyhawk A4s ME 262 twin Tom Cook other end speed range 9foot PT-22 flown slowly Bob Karlsson appeared tobe below scale speed although probably wasnt Larry DAttiio experiencing eleva tor flutter Fokker D-23 push-pull twin solved using double control rods last ditch effort Lincoin just before flying began decided upon test flight prove addition working drove Lincoln Skyknights field way met misfortune truck going opposite direction loaded steel reinforcement concrete lost part its load demolished left front Larrys car swerve kept penetrating windshield concerned about close ness injury possible death true modeler first act examine plane assess damage car spectator interest measure RC Scale must ultimate challenge modeling ffights end difficult subject spontaneous acknowledgement large audience reward months years spent development construction aclaim combined com petitive spirit opportunity see master pieces action forces bring us together Nats 116 Model Aviation Slope Squire$4300 Featured RIG SPORTSMAN Jan 77 Saracen$34L00 Featured RCM April 1976 Seville$49 Feawred MODEL AVIATION Anr Winterhawk Featured MODEL AVIATION Hotrock Featured MODEL AVIATION Nov 77 Simitar 540$5995 eatured ROM Oct 1978 Walt Returns Walt Moucha has absent contest scene has returned Walt now lives area Meno minee Michigan has joined forces Balsa USA appeared two events Milwaukee area RC Hobbies First Annual Scale Jamboree later Sport Precision Scale contest conducted Milwaukee Flying Electrons Jamboree attracted 27 scale models contest 19 entrants two Precision class Walts planes both events -scale Piper Cub -scale Sopwith Pup promptly walked off first place both non military military Sport Scale events Both kits produced Balsa USA Walts Fly Baby also finished second Precision Scale class give him total three hand-crafted trophies plaques mounting copper wire skeleton Fokker D-7 having span 7 26-pound Sopwith uses Quadra engine remarkably realistic flights no doubt result Walts experience WW Rhinebeck events Pup finished Coverite left natural bottom surfaces given light coat flat olive drab top rubbed produce weathering Super-Detailed Drawings Morrison Repla Tech offers series drawings showing greater exterior detail ordinarily seen Starduster Too shown 12 configurations color schemes two 24X35 sheets Such wide choice subjects popular homebuilt luxury seldom enjoyed modelers Some shown main wheel location moved rearward reduced ground looping tendencies smoother lift-off field modification builders would helpful modelers proved prototype graceful semi-elliptical swept wing biplane Starduster has potential becoming model ing favorite ducted-fan advocates Morrison has pro duced super-detailed plans four sheets ihe General Dynamics F-16 fighter production versions F-16A B Other ducted fan possi bilities Morrison drawings include F-14 Tomcat Mig 25 Foxbat YAK-36 Forger catalog available 50 Morrison Repla-Tech 48500 McKenzie Hwy Vida OR 97488 Bob Dolly Wiseher Rt 1 S-221 Lapham Peak Road DelafiehL WI 53018 RC Helicopters/Chesney continued page 30 freak accident bad glow plug caused crash middle beautiful barrel roll Lloyd retired repair not-too-badlydamaged machine About half hour later ready trim out chopper again As rotor head ran up quite bit vibration battery pack disconnected receiver rotors started revving up faster Lloyd realizing no control grabbed tail boom stern no no dump blades ground Lloyds first thought safety himself crowd puff wind caused machine dumb twist hand cut hand very badly blades will alright will have nasty scar emphasize stern advice Never grab tail boom Heli copter time can happen December1979 117 -J N
Edition: Model Aviation - 1979/12
Page Numbers: 28, 115, 116, 117
METALLIC Finishes Art supply houses have array metal powders can mixed various vehicles surprising variation fineness color gradation available aluminum bronze powders sold one-ounce plastic containers mixing small quantities sufficient plane pound cans paint fleet Bronze powders vary color white gold deep reddish hues Continued page 115 28 Model Aviation Popular Mint Julep Scale meet attracted variety modeling subjects Among 38 entries mixed bag single- multi-engine monoplanes biplanes across wide time spectrum brass copper between about ten shadesprevent bleeding colors planes Some tinged color such green forfinished aluminum possible choose super spectacular finishes shades goldfineness aluminum flake powder obtain commonly used modern planes theyscale finish example coarse flake found quite often antique classic eraused prototype model should shipspainted much finer material obtain scale Aluminum dope sometimes used primereffect add brilliance succeeding color coats S ivoriie out aeiaom moaeiea until recently see Bee snapped Randy Randolphat Dallas RCCIub Scalecontest 2A-in scale Curtiss Robin scaled up Joe Nieto plans MAN Bill Kleinhans Supertigre 60 drives 20-10 prop via modified Du-Bro prop drive Span realistic classic 8% feet Williams orotners cyiinuers mooiiieu br ari nompaun S i-OCK vvuit 44J TUll picture pg i NovJ Note metal-edged prop hub details Sheet metal behind engine originalheat engine vents through cockpit Wheels Stieglitzfrom MRC motorcycle kitworking shocks sheet-metal shrouds Refurbished full-scale flown Monty Grows paid visit Natsuncommon comparison between big little rORLINE RICS NEWEST CREATION DEWEYVILLE SPECIAL Trainer FOKKER DV1 1 Kit 0L781 $9750 Retail SEE YOUR DEALER OR DER DIRECT POST-PAID Dealer & Distributor Inquiries Invited Totally New Design Wing Aileron Permits OneNight Assembly 74 Wing Span 12 Consistance Chord Clark Y Wing Total Wing Area 864 Sq Plus Lifting Stab Quick Construction Box Fuselage Die-Cut Formers o Fool proof wing set-up use jigs accomplish ed pre-bent piece cabanas Vstruts fit pre-dadoed pre-drilled hardwood blocks thus eliminating special alignment o With 60 engine ailerons set minimum throw plane very docile trainer o With 60 engine ailerons set maximum throw plane handles like pattern ship will deliver thrills advanced R/C er iIlfrtd td M1 &hhi CI Pi~M H,od & hi. Pt eii, Rdm Pbg q SOPWITH PUP Kit 0L792 $11995 Retail C ORLINE R/O INC P0 Box 12725 Salem OR 97309 Tel 503 792 --3627 standings top six Second through sixth less 4% top score looked down 10th place Gerneke South Africa less 8% first place Four out 10 top planes what could call conventional construction Spavins South Africa finished third less 2% away World Championship title drawback plane its inablllty carry enough ballast needed wasnt structural defici ency merely model limited ballast space Wing ballast tubes could solve problem What does mean next breed US planes expect competitive FAI World Championships Well its hard criticize perfection glass-cov ered foam Eppler 193 airfoils within 1/100th millimeter what good doctor designed especially youre shaping leading edge sanding block template have ask yourself 1600-plus hours spent wing mold could take 100 hours enoughand build conventional wing use remaining 15 00 hours practice would lessthan-perfect plane much disad vantage After sifting analyzing scores US team still feels merit latter approach thing certain balsa dead Next month well wrap up article ideas can use sailplane build fly along some flying tech niques used top fliers Late item Dave Peltz secretary San Fernando Valley Silent Flyers has announced Two-Meter international event scheduled January 19-20 1980 event will Two-Meter designs will involve speed distance duration tasks nounced further information write 2-Meter World Cup Doug Ford 18630 Nau Ave Northridge CA 91326 USA call Doug Ford 213 360-6213 Sam Brown 805 9424956 event co-spon sored SFVSF Antelope Valley Soaring Association Dan Pruss Rt 2 Box 490 Plainfield IL 60S44 RC Scale/Wischers continued page 28 Both bronze aluminum powders have property makes very desireable model finishing flakes overlap form continuous film applied very thin layer minimum weight added As example one-ounce vial bronze powder mixed thin dope will easily cover fivefoot-span model coat no evidence transparency lightweight finish Aluminum powder will same job less weight Because bronze powder heavier suspended thin dope must stirred well before spraying settles quickly matter fineness finish has point contention among scale modelers ages Microscopic exanunation hand-rubbed finish will show presence minute scratches formed abrasive rubbing compound Shouldnt 1/5-scale model have scratches 1/5 size prototype Wouldnt December1979 115 Os Pi, ABS Cml KIT ALSO 040 5so& Tsi Acite Cpy INCLUDES Ai,m Ldig Os. fr,kd fll 5isd 51W P1. TWO MORE GREAT VALUES FROM ORLINE Old Ignition Trade-in Buy sell old time ignition engines Box up what have send us honest appraisal could worth new proportional set have engines can also start collection welcome built-up airplanes used proportionals old time ignition engines Come trade us lop dollar paid K- Custom-Wit-RIC Built Order Rons Ka stock choose PIpe Td-Pocr Quarter-Scole 69 wIngspan 42 Sq Ft derailed plans $1699 PP Send $100 self addressed stamped envelope detailed list I3ullt-Up R/C Models 50% Sole Hobby Capitol Distilbutors 46 N Oak St Ventura CA 93001 Ftione 805 642-8465 / 643-7616 result apparently glossy surface prototype competition difficult convince static judge high gloss finish justified because diminuition surface defects due scale effect Most people think model finish should duplicate original no variation degree gloss Powdered metal finishes difficult apply evenly brush edge brush stroke becomes very plainly visible leaving telltale traces after drying Apparently brushing causes some metal flakes stand edge Spray equipment required obtain first class finish preference onehorsepower compressor spray gun sufficiently large pattern cover wing two passes leaves wet coat permits metal flake flatten continuous membrane no visible edges large wing completely sprayed few seconds side Powdered metal finishes easy touch up after repairs use air brush help disguise patched area maximum gloss spraying colors use blush retardant thinner slow down drying particularly humid wea ther usual ratio 60% dope 40% thinner An ounce powdered bronze i ounce aluminum will make 1 pints spraying material approximate quantity fill spray gun container Acceptable results can obtained large variations ratios finish too transparent add powder use second coat Metal flake finishes have amazing covering power Canopy Adhesiom Within past few months have two experiences canopies being blown otT during flight lift canopy due slipstream quite strong canopy epoxied place secured ten brass pins forced fuselage along its edges high speed canopy exploded slip stream remains found later pins bent right angles have come conclusion epoxy does form permanent bond Plexiglas new canopy stalled using Wilhold RC-56 glue two pins front second mishap occured Nats Piel Beryl lost 80% its canopy also 1/3 2 Plexiglas adhesive affected 100 degree temperatures runway canopy fastened brass tube frame using 1/32 thick double adhesive Fasson foam tape tape aged three years lost some its stickiness new canopy fastened same manner have made mental note check its adhesion hot weather foam tape cut W wide strips applied eter brass tube frame 1/32 plastic canopy lowered carefully over frame pressed onto tape Adhesion instantaneous plastic cannot moved once touches tape its location must correct first try bond between tape plastic permanent between tape tube dependent upon amount pressure applied during application deflection tape wrapping around tube amount lift generated sloping windshield followed airfoil shaped canopy must considerable Sport Aviation magazine describes canopy problem 1 90-mph homebuilt Mustang II found canopy needed held down securely along its lower edges stop lifting action caused large gaps form canopy frame required stiffening latching down places possible Ths another example parallel problems fuce along experimental aircraft builders Sport Scale models permanently fastened canopies will less susceptible problems nature Sliding hinged canopies will likely affected watching ground lifting will perceptible Take word lift present canopy jettisons hits fin Fasten tightly build strong fin Fortunately loss canopy seems have no effect flight characteristics loss fin rudder might prove disastrous Nats Notes Dan Parsons Ted White flew Martin-Baker MB-5 fighters Sport Scale Dan also flew same plane Pattern glves some idea its capabilities Teds lowlevel passes steep turns deck stirred cheers applause hard tell whether cheering skill daring encourage lower passes no ques tion Ted superb showman pilot Webra Speed 61 gives plane performance similar Formula Ted fifth highest individual flight score would interesting see what change would come effort fly near scale speed fast planes Nats appeared flying scale speed three ducted fan entries Bob Violetts Dennis Gradys Skyhawk A4s ME 262 twin Tom Cook other end speed range 9foot PT-22 flown slowly Bob Karlsson appeared tobe below scale speed although probably wasnt Larry DAttiio experiencing eleva tor flutter Fokker D-23 push-pull twin solved using double control rods last ditch effort Lincoin just before flying began decided upon test flight prove addition working drove Lincoln Skyknights field way met misfortune truck going opposite direction loaded steel reinforcement concrete lost part its load demolished left front Larrys car swerve kept penetrating windshield concerned about close ness injury possible death true modeler first act examine plane assess damage car spectator interest measure RC Scale must ultimate challenge modeling ffights end difficult subject spontaneous acknowledgement large audience reward months years spent development construction aclaim combined com petitive spirit opportunity see master pieces action forces bring us together Nats 116 Model Aviation Slope Squire$4300 Featured RIG SPORTSMAN Jan 77 Saracen$34L00 Featured RCM April 1976 Seville$49 Feawred MODEL AVIATION Anr Winterhawk Featured MODEL AVIATION Hotrock Featured MODEL AVIATION Nov 77 Simitar 540$5995 eatured ROM Oct 1978 Walt Returns Walt Moucha has absent contest scene has returned Walt now lives area Meno minee Michigan has joined forces Balsa USA appeared two events Milwaukee area RC Hobbies First Annual Scale Jamboree later Sport Precision Scale contest conducted Milwaukee Flying Electrons Jamboree attracted 27 scale models contest 19 entrants two Precision class Walts planes both events -scale Piper Cub -scale Sopwith Pup promptly walked off first place both non military military Sport Scale events Both kits produced Balsa USA Walts Fly Baby also finished second Precision Scale class give him total three hand-crafted trophies plaques mounting copper wire skeleton Fokker D-7 having span 7 26-pound Sopwith uses Quadra engine remarkably realistic flights no doubt result Walts experience WW Rhinebeck events Pup finished Coverite left natural bottom surfaces given light coat flat olive drab top rubbed produce weathering Super-Detailed Drawings Morrison Repla Tech offers series drawings showing greater exterior detail ordinarily seen Starduster Too shown 12 configurations color schemes two 24X35 sheets Such wide choice subjects popular homebuilt luxury seldom enjoyed modelers Some shown main wheel location moved rearward reduced ground looping tendencies smoother lift-off field modification builders would helpful modelers proved prototype graceful semi-elliptical swept wing biplane Starduster has potential becoming model ing favorite ducted-fan advocates Morrison has pro duced super-detailed plans four sheets ihe General Dynamics F-16 fighter production versions F-16A B Other ducted fan possi bilities Morrison drawings include F-14 Tomcat Mig 25 Foxbat YAK-36 Forger catalog available 50 Morrison Repla-Tech 48500 McKenzie Hwy Vida OR 97488 Bob Dolly Wiseher Rt 1 S-221 Lapham Peak Road DelafiehL WI 53018 RC Helicopters/Chesney continued page 30 freak accident bad glow plug caused crash middle beautiful barrel roll Lloyd retired repair not-too-badlydamaged machine About half hour later ready trim out chopper again As rotor head ran up quite bit vibration battery pack disconnected receiver rotors started revving up faster Lloyd realizing no control grabbed tail boom stern no no dump blades ground Lloyds first thought safety himself crowd puff wind caused machine dumb twist hand cut hand very badly blades will alright will have nasty scar emphasize stern advice Never grab tail boom Heli copter time can happen December1979 117 -J N