WITH places two RC Scale teams stake Ottawa Canada Scale World Champion ships 1980 Nats became higlily contested proving ground team selection First second third place will constitute Precision Scale Sport Scale teams Two tenths point total 733 separated third- fourth-place contestants Precision Scale Six tenths point determined third- fourth-place modelers became team member Sport Scale closeness finish kept everyone gathered around score charts until tabulations indi vidually checked accuracy teams will consist Bob Wischer George Rose Bob Underwood Precision Scale George Buso Ralph Jackson Hal Parenti Sport Scale six Precision Scale planes ap peared Nats quality uniformly high static scores held no hint final outcome decided flying Sport Scale three winning models static scores 100 100 993 100 repre senting score perfect airplane obvious quality extremely high three Precision Scale winners used scratch-built planes previously flown Nats World Championships Sport Scale first two places also well tried planes Only Hal Parentis third-place Grum man Bearcat new Nats competition Sport Scale top seven Precision six entries scratch airplanes Roughly half Sport competitors entered kit planes military types predominating Weather some effect outcome flight competition Temperatures high nineties over 100 degrees day Overheated engines electronics cut some flights short led accidents Piel Beryl used Bob Wischer two Nats two World Championships captured first place position next team startling moment its final flight canopy adhesive fell victim heat canopy shattered pieces mid-air its absence no noticeable effect flight second place Curtiss Hawk P-6E George Rose has also contender previous Nats 64-in span Supertigre powered Hawk very stable flight hatch opens above engine cylinder access plug second opening forward cylinder folds down permit flow cooling air Both hatches remain attached conform rule requiring no parts removed George carefully simulated scalloped music wire wing trailing edges Air Force Museum prototype Never have judges seen documentation complete such over whelming quantity Bob Underwoods third-place Sorrell Hiper November1979 27 Hal Parenti receives scoring sheets Mary Arvin Scale turn-in area Hal long-time competitor Scale Mary deemed real asset proceedings Some fly some work enjoy WInner 0 Inc Spoil Scale Tllght-aclllevement award Bob Violett SkyhawkA-4 Model factory prototype finished show effect markings foreign buyers Focke-WuIf Fw 44 Earl Thompson completely scale metal fuselage MRC motorcycle wheels shockebsorbing gear Cockpit details Thompsons Focke-WuIf Fw44 World War II Luftwaffe trainer cockpit entrance doors fold down bipe used Woodvale World Championships Additional effort improved appearance since last seen areas such windshield molding Its engines performance seemed affected high temperatures Lincoln noticeably reduce maneuverability Bob also entered Petlyakov twin-engined bomber Sport Scale lost power engine during its first flight spiralled pavement severely damaged During airshow followed Nats Bobs Hiperbipe totally destroyed suspected malicious interference along two other scale models monitor use indicated frequencies being switched new Precision Scale planes first seen Nats Focke WuIf 44J Stieglitz Earl Thompson included unusual features such steel-tube fuselage authentic metal plates steel flying wires rolled streamline shape completely concealed OS 60 FSR engine vented its cooling air through front cockpit 2-in scale 12-pound model balsa wings Coverite fabric finished acrylic enamel Wheels working shock-landing gear borrowed MRC motorcycle kit Williams Brothers cylinders modified dummy engine An overheated engine cut short its first flight Steve Saugers masterpiece Lockheed Orion first seen Toledo proved super-scale model can made fly earlier foam wing hadbeen replaced built-up balsato reduce weight covered Skyloft material dope balsa-planked fuselage covered one-ounce fiberglass cloth polyester resin Ditzler automotive primer finished Sighutyrate dope 105 pound model carried half pound lead its nose balsa cowl segmented top access K&B 60 engine Canopy cabin windows formed 030 Plexiglas Wing fillets always difficult project built-up balsa blocks edged 1/64 plywood sanded feather edge Steve used Fox wheels support heavy plane Goodyear logo applied sidewalls application Willhold H/C-S 6 glue toothpick glue dries clear ap pears black lettering landing gear retraction ultimate realism Gear 28 Model Aviation Hal Parenti used fine Bearcat win piace 1980 Scais team Ship faithful rendering John Gurys real Grumman Bearcat Steve Saugers masterpiece lvS ocneea urion ussa Dy Detroit News Won Sterling award excellence flight achieve ment award Large Ryan PT-22 powered OS 90 Weight 15 lbs span 8 ft Bob Karisson flaw low slow missed third place 6 poInt Heartbreaker Sport Scale winnerBusds Navajo rge airplanei . .. 83 indid elegant touch-and-goesi 00 static highest flight points Precision Scale winner Bob Wisches Piel Beryl Winning its second Nats acrobatic homebuilt highest flight score Precision Second Sport Scale Windecker Eagle Ralph Jackson garnered perfect static pointsi 00 Ship ideally proportioned modeling doors folded prototype manner Steve received Sterling award $100 top static points Association Scale Aeromodelers flight achievement award Ralph Jackson come Lincoln Nats fly entered Precision Sport Scale well Pattern Piper Comanche 180 used 1974 Lakehurst World Chain pionships placed third Once thought precision quality now downgraded Sport Scale Windecker Eagle received perfect 100 static score finishing second place make Ralph team member Both planes balsa construction finished silk dope final coats acrylic lacquer Coman che uses Goldberg retracts Eagle has fixed gear Piper Navajo George Buso seen previ ously Dayton Nats received perfect static score 100 combination highest flight score Sport win event Navajo large heavy 835-in span 15 pounds making necessary George build new plane next years international meet weight limit 13 pounds engine displacement limited 90 cu total Georges plane uses pair Webra Black Head 60s has no retracts FAI meet bonus flight points two englnes retracts Navajo unquestionably spectacular planes Nats both appearance its stable flight strong possibility George will also act team manager Ottawa job unfamiliar him carried responsibility Woodvale last year third-place plane Sport Scale Grum man F8F-2 Bearcat Hal Parenti another outstanding example up-grading has taken place class great viewing distance evident no ordinary model finish copied privately owned Bearcat using K&B Superpoxy flattener added reduce gloss realism neath englne cowl network plumbing bring exhaust outlets scale locations Perry-ported Supertigre 60 Visible details such forged tail-wheel fork faithfully reproduced faultless close examination Modeling fast plane has Continued page 109 November1979 29 Static judge Weber Bob Underwood diacuss Bobs presentation Judges helpful comments score sheets Bob Graham aja specxacuiar austing demos wixn 1-Iper Iawnee US Precision Scale team tor i ou woriu nampIun5nups IJUdWe Can L Bob Underwood Hiperbipe third Bob Wiacher Piel Beryl first George Rose Curtiss Hawk P-6E second US Spori caie team going Ottawa 1980 Lto H Ralph Jackson Windecker Eagle second Hal Parenti Grumman Bearcat third George Buso Piper Navajo first place Interesting variety aircraft Larry DAttilios Fokker 0-23 flew very well Its two Webra BH 60s scratch-built 1 5lb plane difficult subjectas text reports Judges Bob Karisson Bill Knepp LeRoyWeber Jr give George Roses Hawk good long look precision ship required over hour _ 8~ zi Im good Pylon Im good Aerobatics Im good Scale Im going great RC Carrier product review product review product review Paul Kugler unique book pictorial stepby-step do-it-yourself instruction manual build ing Performer basic trainer anyone can build fly book contains full-size templates scratch building fact book encourages scratch building beginner including lengthy sequence pictures several hundred Eric Myers drawings Jim Newman Also included comprehensive Bill Materials 11 chapters taking reader pre construction through first flight knowl edge first book presents model virtually modeler can both build fly model 6 wing span balsa 1/2A powered product review product review product review HB powered Heliboy took first Novice Bruce Buchanan both complained about HBs no midrange adjustment Perry carb Mine will burp 4cycle occasionally causing unnecessary tail swings feeble attempts cure involved leaning out idle disk point midrange wanted idle nonexistent zero got second round no start convinced way go Mike Mas gave some advice have tried will pass along Disassemble carb pull out idle mixture dlsk slot meters idle fuel Use razor saw enlarge slot like going cut way through cut oft enlarge little time Clean out burrs reassemble test fly see improves midrange idea basically same mineyou lean out idle disk increased idle slot has effect richening up idle turn midrange leans out Lloyd Wheeler Elgin IL decided forgo competing favor assisting CD Bob Haden During breaks competition put some exhibition flights Heliboy something see Schoonard Gorham process testing autorotation clutch/main gear combination Schluter As soon gets Big Guys approval will marketmaybe time read Lloyd reminded autorotations beginner Mike Mas comments autorotations include 30 feet about minimum safe altitude starting blade finish important Smooth blades work best flew four rounds Monday three Tuesday noon Tuesday decided fliers competition cease spent afternoon fun-flying spectators Check Competition News scores win ners Thanks judges local supporters Tom Yantis John Kelly AMA Veep John Grigg Bob Carison Walter Pinnt Mike Ritonya Spe cial thank Mike Mas Lloyd Wheeler Peyton Enloe dad Jerry Peters helping problems calling otherwise unrec ognizable maneuvers Plan attend Nats next yearI RC Scale/Wischers continued page 29 advantages flight competition Bearcat could flown fast enough smooth serious loss realism points Hal received special award Air Force Association best military model Nats quarter-scale 14-pound Ryan PT22 came within six tenths point placing Bob Karisson international team fourthplace plane flew very slowly speed appeared scale-like troubled several occations strong winds drifted model Bobs Ryan poweredby adirect drive OS 90 engine 155 prop built-up fuselage 1/64 plywood covering wrapped grain vertical piece 96-in span balsa wing covered dress shop materiaL Sixteen hours spent dummy engine cyl inders constructed alternate layers alu minum litho plate balsa Curved wing tips tail outlines formed wet 3/16 sq spruce allowed dry several days Flying landing wires dressmakers round elastic clevis ends Bob Violetts well-known A4 Skyhawk dis new releases Bucker IITNGMEISTER radio control -honnel great schooiyard acute TRAVEL AIR 6OOO 020 power 36span 12 channel R/C free flight 51495 U 3wingspon SeaguW rubber available soon C02 power SEE YOURsend 254 DEALER NOWcatalog INE MODELS INC November1979 109 Radio Control Flying Non-Modeler @ $595 Boynton & Associates Clifton House Clifton VA 22024 5 4 t ow Go o X je Ce\CO AIR FLAIR MEG COENCLOSE CHECK OR MONEY ORDER BOX 11702 MISSOURI RESIDENTS ADD 4125% KANSAS CITY MOKANSAS RESIDENTS ADD 3% 64138 NAME ADDRESS CITY___STATE ZIP PLEASE SEND KITS @ $______________ CUSTOM TUNED ENGINES COMPETITION ACCESSORIES Cox 0491051 Specialists brochure send 1 5c stamp Kustom Kraftsmanship Brochure Box 2699 Laguna Hitts CA 92653 714 830-5162 played extremely smooth performance high speed very likely near true scale speed K&B 75cc engine leaves irn pression ducted fan installation underpowered nine-pound airplane addition fifth place Bob recipient Scale Association flight achievement award number unusual planes appeared Nats Bud Atkinsons T-34C turboprop Beechcraft has ideal proportions modeling GET ORGANIZED s set 04 sturdy itles (tat holds over 4 years tavorie 8r ii magazines 4 MAG FILES $495 send 5495 phs St ItO postage end handlerg DGU INDUSThES PO BOX 388-K DOVER NH 03820 long nose generous control surfaces Piper Pawnee crop duster sprayed talcum powder its hopper low altitude entry Dick Graham Fortunately dust canied away flight judges might have dusted perfumed baby powder Dicks static score 987 highest Hank Pohimans Cessna 172 exact copy full-size plane used transportation home Iowa Cessna will kitted COMPLETE THIS FORM AND ATtACH MAILING iumuiuiui-cww IUEIUILE\EULABEL FROM RE CENT issu LET US KNOW WHERE YOU ARE GOING move please let us know advancestx weeks re-I quired change address Attach current MA mailing labelI check appropriate box matl Subscription Dept.I Model Aviation 815 Fifteenth St. NW. Washington DC. I20005 Check appropriate boxenclose payment El NEW SUBSCRIPTION 0 CHANGE OF ADDRESSI Non-AMA subscription ratesI $1600 12 months Canada UnIted States possessionselsewhere $1800j NAMEI ADDRESSj CITY/STATE _________ ZIP ___I MODEL AVIATION 815 FIFTEENTH ST. NW. WASHINGTON DC 20005 soon surprises meet stable flight Bob Thackers Turner Special racer Aircraft used racing seldom find way scale contests though some classic racers well proportioned Turner long tail large surfaces can flown successfully Control-Line Scale fliers has very successful category has now entered RC Scale Mike Gretz modified CL Zlin Akrobat converting radio control also used similar Zlin win first place CL Scale event have hearing about Larry DAttilios Fokker D-23 push-pull twin-engine fighter number years debut plane Larry uses palr Webra 60s 15pound 70-in span plane would appear twin engines fuselage centerline ideal arrangement may true engine quits practice found adverse yaw difficult overcome prop blast over elevator caused severe flutter Larry solved flutter problem adding second pushrod elevator horn obtaln rigid control flutter caused softness control linkages Tom Cook misfortune Messerschmitt ME-262 last years Nats similar experiences Lincoln 176pound 84-in span plane has apsirofducted fans K&B 75 cc engines began surge during first flight Tom managed keep control through round lost stalled turn crash pavement Another ducted fan entry A-4E Israeli Skyhawk flown Mike Grady met similar fate An F4U Corsair Garland Hamilton badly damaged its throttle suddenly opened taxiing after flight plane lifted off collided crowd barrier fence Officiating RC Scale category capably administered Dick Carson John Preston Dale Arvin Precision Scale static judges LeRoy Weber Jr Bill Knepp Bob Karisson product review product review product review complete manual electric propulsion systems including over 100 photos detailed drawings models Includes references sources plans kits use motor list electric articles much table contents list 29 items including dos donts Very good person just getting electric propulsion airplanes product review product review product review 110 Model Aviation Quiet Revolution Astro Flight Inc 13377 Beach Ave Venice CA 90291
Edition: Model Aviation - 1979/11
Page Numbers: 27, 28, 29, 109, 110
WITH places two RC Scale teams stake Ottawa Canada Scale World Champion ships 1980 Nats became higlily contested proving ground team selection First second third place will constitute Precision Scale Sport Scale teams Two tenths point total 733 separated third- fourth-place contestants Precision Scale Six tenths point determined third- fourth-place modelers became team member Sport Scale closeness finish kept everyone gathered around score charts until tabulations indi vidually checked accuracy teams will consist Bob Wischer George Rose Bob Underwood Precision Scale George Buso Ralph Jackson Hal Parenti Sport Scale six Precision Scale planes ap peared Nats quality uniformly high static scores held no hint final outcome decided flying Sport Scale three winning models static scores 100 100 993 100 repre senting score perfect airplane obvious quality extremely high three Precision Scale winners used scratch-built planes previously flown Nats World Championships Sport Scale first two places also well tried planes Only Hal Parentis third-place Grum man Bearcat new Nats competition Sport Scale top seven Precision six entries scratch airplanes Roughly half Sport competitors entered kit planes military types predominating Weather some effect outcome flight competition Temperatures high nineties over 100 degrees day Overheated engines electronics cut some flights short led accidents Piel Beryl used Bob Wischer two Nats two World Championships captured first place position next team startling moment its final flight canopy adhesive fell victim heat canopy shattered pieces mid-air its absence no noticeable effect flight second place Curtiss Hawk P-6E George Rose has also contender previous Nats 64-in span Supertigre powered Hawk very stable flight hatch opens above engine cylinder access plug second opening forward cylinder folds down permit flow cooling air Both hatches remain attached conform rule requiring no parts removed George carefully simulated scalloped music wire wing trailing edges Air Force Museum prototype Never have judges seen documentation complete such over whelming quantity Bob Underwoods third-place Sorrell Hiper November1979 27 Hal Parenti receives scoring sheets Mary Arvin Scale turn-in area Hal long-time competitor Scale Mary deemed real asset proceedings Some fly some work enjoy WInner 0 Inc Spoil Scale Tllght-aclllevement award Bob Violett SkyhawkA-4 Model factory prototype finished show effect markings foreign buyers Focke-WuIf Fw 44 Earl Thompson completely scale metal fuselage MRC motorcycle wheels shockebsorbing gear Cockpit details Thompsons Focke-WuIf Fw44 World War II Luftwaffe trainer cockpit entrance doors fold down bipe used Woodvale World Championships Additional effort improved appearance since last seen areas such windshield molding Its engines performance seemed affected high temperatures Lincoln noticeably reduce maneuverability Bob also entered Petlyakov twin-engined bomber Sport Scale lost power engine during its first flight spiralled pavement severely damaged During airshow followed Nats Bobs Hiperbipe totally destroyed suspected malicious interference along two other scale models monitor use indicated frequencies being switched new Precision Scale planes first seen Nats Focke WuIf 44J Stieglitz Earl Thompson included unusual features such steel-tube fuselage authentic metal plates steel flying wires rolled streamline shape completely concealed OS 60 FSR engine vented its cooling air through front cockpit 2-in scale 12-pound model balsa wings Coverite fabric finished acrylic enamel Wheels working shock-landing gear borrowed MRC motorcycle kit Williams Brothers cylinders modified dummy engine An overheated engine cut short its first flight Steve Saugers masterpiece Lockheed Orion first seen Toledo proved super-scale model can made fly earlier foam wing hadbeen replaced built-up balsato reduce weight covered Skyloft material dope balsa-planked fuselage covered one-ounce fiberglass cloth polyester resin Ditzler automotive primer finished Sighutyrate dope 105 pound model carried half pound lead its nose balsa cowl segmented top access K&B 60 engine Canopy cabin windows formed 030 Plexiglas Wing fillets always difficult project built-up balsa blocks edged 1/64 plywood sanded feather edge Steve used Fox wheels support heavy plane Goodyear logo applied sidewalls application Willhold H/C-S 6 glue toothpick glue dries clear ap pears black lettering landing gear retraction ultimate realism Gear 28 Model Aviation Hal Parenti used fine Bearcat win piace 1980 Scais team Ship faithful rendering John Gurys real Grumman Bearcat Steve Saugers masterpiece lvS ocneea urion ussa Dy Detroit News Won Sterling award excellence flight achieve ment award Large Ryan PT-22 powered OS 90 Weight 15 lbs span 8 ft Bob Karisson flaw low slow missed third place 6 poInt Heartbreaker Sport Scale winnerBusds Navajo rge airplanei . .. 83 indid elegant touch-and-goesi 00 static highest flight points Precision Scale winner Bob Wisches Piel Beryl Winning its second Nats acrobatic homebuilt highest flight score Precision Second Sport Scale Windecker Eagle Ralph Jackson garnered perfect static pointsi 00 Ship ideally proportioned modeling doors folded prototype manner Steve received Sterling award $100 top static points Association Scale Aeromodelers flight achievement award Ralph Jackson come Lincoln Nats fly entered Precision Sport Scale well Pattern Piper Comanche 180 used 1974 Lakehurst World Chain pionships placed third Once thought precision quality now downgraded Sport Scale Windecker Eagle received perfect 100 static score finishing second place make Ralph team member Both planes balsa construction finished silk dope final coats acrylic lacquer Coman che uses Goldberg retracts Eagle has fixed gear Piper Navajo George Buso seen previ ously Dayton Nats received perfect static score 100 combination highest flight score Sport win event Navajo large heavy 835-in span 15 pounds making necessary George build new plane next years international meet weight limit 13 pounds engine displacement limited 90 cu total Georges plane uses pair Webra Black Head 60s has no retracts FAI meet bonus flight points two englnes retracts Navajo unquestionably spectacular planes Nats both appearance its stable flight strong possibility George will also act team manager Ottawa job unfamiliar him carried responsibility Woodvale last year third-place plane Sport Scale Grum man F8F-2 Bearcat Hal Parenti another outstanding example up-grading has taken place class great viewing distance evident no ordinary model finish copied privately owned Bearcat using K&B Superpoxy flattener added reduce gloss realism neath englne cowl network plumbing bring exhaust outlets scale locations Perry-ported Supertigre 60 Visible details such forged tail-wheel fork faithfully reproduced faultless close examination Modeling fast plane has Continued page 109 November1979 29 Static judge Weber Bob Underwood diacuss Bobs presentation Judges helpful comments score sheets Bob Graham aja specxacuiar austing demos wixn 1-Iper Iawnee US Precision Scale team tor i ou woriu nampIun5nups IJUdWe Can L Bob Underwood Hiperbipe third Bob Wiacher Piel Beryl first George Rose Curtiss Hawk P-6E second US Spori caie team going Ottawa 1980 Lto H Ralph Jackson Windecker Eagle second Hal Parenti Grumman Bearcat third George Buso Piper Navajo first place Interesting variety aircraft Larry DAttilios Fokker 0-23 flew very well Its two Webra BH 60s scratch-built 1 5lb plane difficult subjectas text reports Judges Bob Karisson Bill Knepp LeRoyWeber Jr give George Roses Hawk good long look precision ship required over hour _ 8~ zi Im good Pylon Im good Aerobatics Im good Scale Im going great RC Carrier product review product review product review Paul Kugler unique book pictorial stepby-step do-it-yourself instruction manual build ing Performer basic trainer anyone can build fly book contains full-size templates scratch building fact book encourages scratch building beginner including lengthy sequence pictures several hundred Eric Myers drawings Jim Newman Also included comprehensive Bill Materials 11 chapters taking reader pre construction through first flight knowl edge first book presents model virtually modeler can both build fly model 6 wing span balsa 1/2A powered product review product review product review HB powered Heliboy took first Novice Bruce Buchanan both complained about HBs no midrange adjustment Perry carb Mine will burp 4cycle occasionally causing unnecessary tail swings feeble attempts cure involved leaning out idle disk point midrange wanted idle nonexistent zero got second round no start convinced way go Mike Mas gave some advice have tried will pass along Disassemble carb pull out idle mixture dlsk slot meters idle fuel Use razor saw enlarge slot like going cut way through cut oft enlarge little time Clean out burrs reassemble test fly see improves midrange idea basically same mineyou lean out idle disk increased idle slot has effect richening up idle turn midrange leans out Lloyd Wheeler Elgin IL decided forgo competing favor assisting CD Bob Haden During breaks competition put some exhibition flights Heliboy something see Schoonard Gorham process testing autorotation clutch/main gear combination Schluter As soon gets Big Guys approval will marketmaybe time read Lloyd reminded autorotations beginner Mike Mas comments autorotations include 30 feet about minimum safe altitude starting blade finish important Smooth blades work best flew four rounds Monday three Tuesday noon Tuesday decided fliers competition cease spent afternoon fun-flying spectators Check Competition News scores win ners Thanks judges local supporters Tom Yantis John Kelly AMA Veep John Grigg Bob Carison Walter Pinnt Mike Ritonya Spe cial thank Mike Mas Lloyd Wheeler Peyton Enloe dad Jerry Peters helping problems calling otherwise unrec ognizable maneuvers Plan attend Nats next yearI RC Scale/Wischers continued page 29 advantages flight competition Bearcat could flown fast enough smooth serious loss realism points Hal received special award Air Force Association best military model Nats quarter-scale 14-pound Ryan PT22 came within six tenths point placing Bob Karisson international team fourthplace plane flew very slowly speed appeared scale-like troubled several occations strong winds drifted model Bobs Ryan poweredby adirect drive OS 90 engine 155 prop built-up fuselage 1/64 plywood covering wrapped grain vertical piece 96-in span balsa wing covered dress shop materiaL Sixteen hours spent dummy engine cyl inders constructed alternate layers alu minum litho plate balsa Curved wing tips tail outlines formed wet 3/16 sq spruce allowed dry several days Flying landing wires dressmakers round elastic clevis ends Bob Violetts well-known A4 Skyhawk dis new releases Bucker IITNGMEISTER radio control -honnel great schooiyard acute TRAVEL AIR 6OOO 020 power 36span 12 channel R/C free flight 51495 U 3wingspon SeaguW rubber available soon C02 power SEE YOURsend 254 DEALER NOWcatalog INE MODELS INC November1979 109 Radio Control Flying Non-Modeler @ $595 Boynton & Associates Clifton House Clifton VA 22024 5 4 t ow Go o X je Ce\CO AIR FLAIR MEG COENCLOSE CHECK OR MONEY ORDER BOX 11702 MISSOURI RESIDENTS ADD 4125% KANSAS CITY MOKANSAS RESIDENTS ADD 3% 64138 NAME ADDRESS CITY___STATE ZIP PLEASE SEND KITS @ $______________ CUSTOM TUNED ENGINES COMPETITION ACCESSORIES Cox 0491051 Specialists brochure send 1 5c stamp Kustom Kraftsmanship Brochure Box 2699 Laguna Hitts CA 92653 714 830-5162 played extremely smooth performance high speed very likely near true scale speed K&B 75cc engine leaves irn pression ducted fan installation underpowered nine-pound airplane addition fifth place Bob recipient Scale Association flight achievement award number unusual planes appeared Nats Bud Atkinsons T-34C turboprop Beechcraft has ideal proportions modeling GET ORGANIZED s set 04 sturdy itles (tat holds over 4 years tavorie 8r ii magazines 4 MAG FILES $495 send 5495 phs St ItO postage end handlerg DGU INDUSThES PO BOX 388-K DOVER NH 03820 long nose generous control surfaces Piper Pawnee crop duster sprayed talcum powder its hopper low altitude entry Dick Graham Fortunately dust canied away flight judges might have dusted perfumed baby powder Dicks static score 987 highest Hank Pohimans Cessna 172 exact copy full-size plane used transportation home Iowa Cessna will kitted COMPLETE THIS FORM AND ATtACH MAILING iumuiuiui-cww IUEIUILE\EULABEL FROM RE CENT issu LET US KNOW WHERE YOU ARE GOING move please let us know advancestx weeks re-I quired change address Attach current MA mailing labelI check appropriate box matl Subscription Dept.I Model Aviation 815 Fifteenth St. NW. Washington DC. I20005 Check appropriate boxenclose payment El NEW SUBSCRIPTION 0 CHANGE OF ADDRESSI Non-AMA subscription ratesI $1600 12 months Canada UnIted States possessionselsewhere $1800j NAMEI ADDRESSj CITY/STATE _________ ZIP ___I MODEL AVIATION 815 FIFTEENTH ST. NW. WASHINGTON DC 20005 soon surprises meet stable flight Bob Thackers Turner Special racer Aircraft used racing seldom find way scale contests though some classic racers well proportioned Turner long tail large surfaces can flown successfully Control-Line Scale fliers has very successful category has now entered RC Scale Mike Gretz modified CL Zlin Akrobat converting radio control also used similar Zlin win first place CL Scale event have hearing about Larry DAttilios Fokker D-23 push-pull twin-engine fighter number years debut plane Larry uses palr Webra 60s 15pound 70-in span plane would appear twin engines fuselage centerline ideal arrangement may true engine quits practice found adverse yaw difficult overcome prop blast over elevator caused severe flutter Larry solved flutter problem adding second pushrod elevator horn obtaln rigid control flutter caused softness control linkages Tom Cook misfortune Messerschmitt ME-262 last years Nats similar experiences Lincoln 176pound 84-in span plane has apsirofducted fans K&B 75 cc engines began surge during first flight Tom managed keep control through round lost stalled turn crash pavement Another ducted fan entry A-4E Israeli Skyhawk flown Mike Grady met similar fate An F4U Corsair Garland Hamilton badly damaged its throttle suddenly opened taxiing after flight plane lifted off collided crowd barrier fence Officiating RC Scale category capably administered Dick Carson John Preston Dale Arvin Precision Scale static judges LeRoy Weber Jr Bill Knepp Bob Karisson product review product review product review complete manual electric propulsion systems including over 100 photos detailed drawings models Includes references sources plans kits use motor list electric articles much table contents list 29 items including dos donts Very good person just getting electric propulsion airplanes product review product review product review 110 Model Aviation Quiet Revolution Astro Flight Inc 13377 Beach Ave Venice CA 90291
Edition: Model Aviation - 1979/11
Page Numbers: 27, 28, 29, 109, 110
WITH places two RC Scale teams stake Ottawa Canada Scale World Champion ships 1980 Nats became higlily contested proving ground team selection First second third place will constitute Precision Scale Sport Scale teams Two tenths point total 733 separated third- fourth-place contestants Precision Scale Six tenths point determined third- fourth-place modelers became team member Sport Scale closeness finish kept everyone gathered around score charts until tabulations indi vidually checked accuracy teams will consist Bob Wischer George Rose Bob Underwood Precision Scale George Buso Ralph Jackson Hal Parenti Sport Scale six Precision Scale planes ap peared Nats quality uniformly high static scores held no hint final outcome decided flying Sport Scale three winning models static scores 100 100 993 100 repre senting score perfect airplane obvious quality extremely high three Precision Scale winners used scratch-built planes previously flown Nats World Championships Sport Scale first two places also well tried planes Only Hal Parentis third-place Grum man Bearcat new Nats competition Sport Scale top seven Precision six entries scratch airplanes Roughly half Sport competitors entered kit planes military types predominating Weather some effect outcome flight competition Temperatures high nineties over 100 degrees day Overheated engines electronics cut some flights short led accidents Piel Beryl used Bob Wischer two Nats two World Championships captured first place position next team startling moment its final flight canopy adhesive fell victim heat canopy shattered pieces mid-air its absence no noticeable effect flight second place Curtiss Hawk P-6E George Rose has also contender previous Nats 64-in span Supertigre powered Hawk very stable flight hatch opens above engine cylinder access plug second opening forward cylinder folds down permit flow cooling air Both hatches remain attached conform rule requiring no parts removed George carefully simulated scalloped music wire wing trailing edges Air Force Museum prototype Never have judges seen documentation complete such over whelming quantity Bob Underwoods third-place Sorrell Hiper November1979 27 Hal Parenti receives scoring sheets Mary Arvin Scale turn-in area Hal long-time competitor Scale Mary deemed real asset proceedings Some fly some work enjoy WInner 0 Inc Spoil Scale Tllght-aclllevement award Bob Violett SkyhawkA-4 Model factory prototype finished show effect markings foreign buyers Focke-WuIf Fw 44 Earl Thompson completely scale metal fuselage MRC motorcycle wheels shockebsorbing gear Cockpit details Thompsons Focke-WuIf Fw44 World War II Luftwaffe trainer cockpit entrance doors fold down bipe used Woodvale World Championships Additional effort improved appearance since last seen areas such windshield molding Its engines performance seemed affected high temperatures Lincoln noticeably reduce maneuverability Bob also entered Petlyakov twin-engined bomber Sport Scale lost power engine during its first flight spiralled pavement severely damaged During airshow followed Nats Bobs Hiperbipe totally destroyed suspected malicious interference along two other scale models monitor use indicated frequencies being switched new Precision Scale planes first seen Nats Focke WuIf 44J Stieglitz Earl Thompson included unusual features such steel-tube fuselage authentic metal plates steel flying wires rolled streamline shape completely concealed OS 60 FSR engine vented its cooling air through front cockpit 2-in scale 12-pound model balsa wings Coverite fabric finished acrylic enamel Wheels working shock-landing gear borrowed MRC motorcycle kit Williams Brothers cylinders modified dummy engine An overheated engine cut short its first flight Steve Saugers masterpiece Lockheed Orion first seen Toledo proved super-scale model can made fly earlier foam wing hadbeen replaced built-up balsato reduce weight covered Skyloft material dope balsa-planked fuselage covered one-ounce fiberglass cloth polyester resin Ditzler automotive primer finished Sighutyrate dope 105 pound model carried half pound lead its nose balsa cowl segmented top access K&B 60 engine Canopy cabin windows formed 030 Plexiglas Wing fillets always difficult project built-up balsa blocks edged 1/64 plywood sanded feather edge Steve used Fox wheels support heavy plane Goodyear logo applied sidewalls application Willhold H/C-S 6 glue toothpick glue dries clear ap pears black lettering landing gear retraction ultimate realism Gear 28 Model Aviation Hal Parenti used fine Bearcat win piace 1980 Scais team Ship faithful rendering John Gurys real Grumman Bearcat Steve Saugers masterpiece lvS ocneea urion ussa Dy Detroit News Won Sterling award excellence flight achieve ment award Large Ryan PT-22 powered OS 90 Weight 15 lbs span 8 ft Bob Karisson flaw low slow missed third place 6 poInt Heartbreaker Sport Scale winnerBusds Navajo rge airplanei . .. 83 indid elegant touch-and-goesi 00 static highest flight points Precision Scale winner Bob Wisches Piel Beryl Winning its second Nats acrobatic homebuilt highest flight score Precision Second Sport Scale Windecker Eagle Ralph Jackson garnered perfect static pointsi 00 Ship ideally proportioned modeling doors folded prototype manner Steve received Sterling award $100 top static points Association Scale Aeromodelers flight achievement award Ralph Jackson come Lincoln Nats fly entered Precision Sport Scale well Pattern Piper Comanche 180 used 1974 Lakehurst World Chain pionships placed third Once thought precision quality now downgraded Sport Scale Windecker Eagle received perfect 100 static score finishing second place make Ralph team member Both planes balsa construction finished silk dope final coats acrylic lacquer Coman che uses Goldberg retracts Eagle has fixed gear Piper Navajo George Buso seen previ ously Dayton Nats received perfect static score 100 combination highest flight score Sport win event Navajo large heavy 835-in span 15 pounds making necessary George build new plane next years international meet weight limit 13 pounds engine displacement limited 90 cu total Georges plane uses pair Webra Black Head 60s has no retracts FAI meet bonus flight points two englnes retracts Navajo unquestionably spectacular planes Nats both appearance its stable flight strong possibility George will also act team manager Ottawa job unfamiliar him carried responsibility Woodvale last year third-place plane Sport Scale Grum man F8F-2 Bearcat Hal Parenti another outstanding example up-grading has taken place class great viewing distance evident no ordinary model finish copied privately owned Bearcat using K&B Superpoxy flattener added reduce gloss realism neath englne cowl network plumbing bring exhaust outlets scale locations Perry-ported Supertigre 60 Visible details such forged tail-wheel fork faithfully reproduced faultless close examination Modeling fast plane has Continued page 109 November1979 29 Static judge Weber Bob Underwood diacuss Bobs presentation Judges helpful comments score sheets Bob Graham aja specxacuiar austing demos wixn 1-Iper Iawnee US Precision Scale team tor i ou woriu nampIun5nups IJUdWe Can L Bob Underwood Hiperbipe third Bob Wiacher Piel Beryl first George Rose Curtiss Hawk P-6E second US Spori caie team going Ottawa 1980 Lto H Ralph Jackson Windecker Eagle second Hal Parenti Grumman Bearcat third George Buso Piper Navajo first place Interesting variety aircraft Larry DAttilios Fokker 0-23 flew very well Its two Webra BH 60s scratch-built 1 5lb plane difficult subjectas text reports Judges Bob Karisson Bill Knepp LeRoyWeber Jr give George Roses Hawk good long look precision ship required over hour _ 8~ zi Im good Pylon Im good Aerobatics Im good Scale Im going great RC Carrier product review product review product review Paul Kugler unique book pictorial stepby-step do-it-yourself instruction manual build ing Performer basic trainer anyone can build fly book contains full-size templates scratch building fact book encourages scratch building beginner including lengthy sequence pictures several hundred Eric Myers drawings Jim Newman Also included comprehensive Bill Materials 11 chapters taking reader pre construction through first flight knowl edge first book presents model virtually modeler can both build fly model 6 wing span balsa 1/2A powered product review product review product review HB powered Heliboy took first Novice Bruce Buchanan both complained about HBs no midrange adjustment Perry carb Mine will burp 4cycle occasionally causing unnecessary tail swings feeble attempts cure involved leaning out idle disk point midrange wanted idle nonexistent zero got second round no start convinced way go Mike Mas gave some advice have tried will pass along Disassemble carb pull out idle mixture dlsk slot meters idle fuel Use razor saw enlarge slot like going cut way through cut oft enlarge little time Clean out burrs reassemble test fly see improves midrange idea basically same mineyou lean out idle disk increased idle slot has effect richening up idle turn midrange leans out Lloyd Wheeler Elgin IL decided forgo competing favor assisting CD Bob Haden During breaks competition put some exhibition flights Heliboy something see Schoonard Gorham process testing autorotation clutch/main gear combination Schluter As soon gets Big Guys approval will marketmaybe time read Lloyd reminded autorotations beginner Mike Mas comments autorotations include 30 feet about minimum safe altitude starting blade finish important Smooth blades work best flew four rounds Monday three Tuesday noon Tuesday decided fliers competition cease spent afternoon fun-flying spectators Check Competition News scores win ners Thanks judges local supporters Tom Yantis John Kelly AMA Veep John Grigg Bob Carison Walter Pinnt Mike Ritonya Spe cial thank Mike Mas Lloyd Wheeler Peyton Enloe dad Jerry Peters helping problems calling otherwise unrec ognizable maneuvers Plan attend Nats next yearI RC Scale/Wischers continued page 29 advantages flight competition Bearcat could flown fast enough smooth serious loss realism points Hal received special award Air Force Association best military model Nats quarter-scale 14-pound Ryan PT22 came within six tenths point placing Bob Karisson international team fourthplace plane flew very slowly speed appeared scale-like troubled several occations strong winds drifted model Bobs Ryan poweredby adirect drive OS 90 engine 155 prop built-up fuselage 1/64 plywood covering wrapped grain vertical piece 96-in span balsa wing covered dress shop materiaL Sixteen hours spent dummy engine cyl inders constructed alternate layers alu minum litho plate balsa Curved wing tips tail outlines formed wet 3/16 sq spruce allowed dry several days Flying landing wires dressmakers round elastic clevis ends Bob Violetts well-known A4 Skyhawk dis new releases Bucker IITNGMEISTER radio control -honnel great schooiyard acute TRAVEL AIR 6OOO 020 power 36span 12 channel R/C free flight 51495 U 3wingspon SeaguW rubber available soon C02 power SEE YOURsend 254 DEALER NOWcatalog INE MODELS INC November1979 109 Radio Control Flying Non-Modeler @ $595 Boynton & Associates Clifton House Clifton VA 22024 5 4 t ow Go o X je Ce\CO AIR FLAIR MEG COENCLOSE CHECK OR MONEY ORDER BOX 11702 MISSOURI RESIDENTS ADD 4125% KANSAS CITY MOKANSAS RESIDENTS ADD 3% 64138 NAME ADDRESS CITY___STATE ZIP PLEASE SEND KITS @ $______________ CUSTOM TUNED ENGINES COMPETITION ACCESSORIES Cox 0491051 Specialists brochure send 1 5c stamp Kustom Kraftsmanship Brochure Box 2699 Laguna Hitts CA 92653 714 830-5162 played extremely smooth performance high speed very likely near true scale speed K&B 75cc engine leaves irn pression ducted fan installation underpowered nine-pound airplane addition fifth place Bob recipient Scale Association flight achievement award number unusual planes appeared Nats Bud Atkinsons T-34C turboprop Beechcraft has ideal proportions modeling GET ORGANIZED s set 04 sturdy itles (tat holds over 4 years tavorie 8r ii magazines 4 MAG FILES $495 send 5495 phs St ItO postage end handlerg DGU INDUSThES PO BOX 388-K DOVER NH 03820 long nose generous control surfaces Piper Pawnee crop duster sprayed talcum powder its hopper low altitude entry Dick Graham Fortunately dust canied away flight judges might have dusted perfumed baby powder Dicks static score 987 highest Hank Pohimans Cessna 172 exact copy full-size plane used transportation home Iowa Cessna will kitted COMPLETE THIS FORM AND ATtACH MAILING iumuiuiui-cww IUEIUILE\EULABEL FROM RE CENT issu LET US KNOW WHERE YOU ARE GOING move please let us know advancestx weeks re-I quired change address Attach current MA mailing labelI check appropriate box matl Subscription Dept.I Model Aviation 815 Fifteenth St. NW. Washington DC. I20005 Check appropriate boxenclose payment El NEW SUBSCRIPTION 0 CHANGE OF ADDRESSI Non-AMA subscription ratesI $1600 12 months Canada UnIted States possessionselsewhere $1800j NAMEI ADDRESSj CITY/STATE _________ ZIP ___I MODEL AVIATION 815 FIFTEENTH ST. NW. WASHINGTON DC 20005 soon surprises meet stable flight Bob Thackers Turner Special racer Aircraft used racing seldom find way scale contests though some classic racers well proportioned Turner long tail large surfaces can flown successfully Control-Line Scale fliers has very successful category has now entered RC Scale Mike Gretz modified CL Zlin Akrobat converting radio control also used similar Zlin win first place CL Scale event have hearing about Larry DAttilios Fokker D-23 push-pull twin-engine fighter number years debut plane Larry uses palr Webra 60s 15pound 70-in span plane would appear twin engines fuselage centerline ideal arrangement may true engine quits practice found adverse yaw difficult overcome prop blast over elevator caused severe flutter Larry solved flutter problem adding second pushrod elevator horn obtaln rigid control flutter caused softness control linkages Tom Cook misfortune Messerschmitt ME-262 last years Nats similar experiences Lincoln 176pound 84-in span plane has apsirofducted fans K&B 75 cc engines began surge during first flight Tom managed keep control through round lost stalled turn crash pavement Another ducted fan entry A-4E Israeli Skyhawk flown Mike Grady met similar fate An F4U Corsair Garland Hamilton badly damaged its throttle suddenly opened taxiing after flight plane lifted off collided crowd barrier fence Officiating RC Scale category capably administered Dick Carson John Preston Dale Arvin Precision Scale static judges LeRoy Weber Jr Bill Knepp Bob Karisson product review product review product review complete manual electric propulsion systems including over 100 photos detailed drawings models Includes references sources plans kits use motor list electric articles much table contents list 29 items including dos donts Very good person just getting electric propulsion airplanes product review product review product review 110 Model Aviation Quiet Revolution Astro Flight Inc 13377 Beach Ave Venice CA 90291
Edition: Model Aviation - 1979/11
Page Numbers: 27, 28, 29, 109, 110
WITH places two RC Scale teams stake Ottawa Canada Scale World Champion ships 1980 Nats became higlily contested proving ground team selection First second third place will constitute Precision Scale Sport Scale teams Two tenths point total 733 separated third- fourth-place contestants Precision Scale Six tenths point determined third- fourth-place modelers became team member Sport Scale closeness finish kept everyone gathered around score charts until tabulations indi vidually checked accuracy teams will consist Bob Wischer George Rose Bob Underwood Precision Scale George Buso Ralph Jackson Hal Parenti Sport Scale six Precision Scale planes ap peared Nats quality uniformly high static scores held no hint final outcome decided flying Sport Scale three winning models static scores 100 100 993 100 repre senting score perfect airplane obvious quality extremely high three Precision Scale winners used scratch-built planes previously flown Nats World Championships Sport Scale first two places also well tried planes Only Hal Parentis third-place Grum man Bearcat new Nats competition Sport Scale top seven Precision six entries scratch airplanes Roughly half Sport competitors entered kit planes military types predominating Weather some effect outcome flight competition Temperatures high nineties over 100 degrees day Overheated engines electronics cut some flights short led accidents Piel Beryl used Bob Wischer two Nats two World Championships captured first place position next team startling moment its final flight canopy adhesive fell victim heat canopy shattered pieces mid-air its absence no noticeable effect flight second place Curtiss Hawk P-6E George Rose has also contender previous Nats 64-in span Supertigre powered Hawk very stable flight hatch opens above engine cylinder access plug second opening forward cylinder folds down permit flow cooling air Both hatches remain attached conform rule requiring no parts removed George carefully simulated scalloped music wire wing trailing edges Air Force Museum prototype Never have judges seen documentation complete such over whelming quantity Bob Underwoods third-place Sorrell Hiper November1979 27 Hal Parenti receives scoring sheets Mary Arvin Scale turn-in area Hal long-time competitor Scale Mary deemed real asset proceedings Some fly some work enjoy WInner 0 Inc Spoil Scale Tllght-aclllevement award Bob Violett SkyhawkA-4 Model factory prototype finished show effect markings foreign buyers Focke-WuIf Fw 44 Earl Thompson completely scale metal fuselage MRC motorcycle wheels shockebsorbing gear Cockpit details Thompsons Focke-WuIf Fw44 World War II Luftwaffe trainer cockpit entrance doors fold down bipe used Woodvale World Championships Additional effort improved appearance since last seen areas such windshield molding Its engines performance seemed affected high temperatures Lincoln noticeably reduce maneuverability Bob also entered Petlyakov twin-engined bomber Sport Scale lost power engine during its first flight spiralled pavement severely damaged During airshow followed Nats Bobs Hiperbipe totally destroyed suspected malicious interference along two other scale models monitor use indicated frequencies being switched new Precision Scale planes first seen Nats Focke WuIf 44J Stieglitz Earl Thompson included unusual features such steel-tube fuselage authentic metal plates steel flying wires rolled streamline shape completely concealed OS 60 FSR engine vented its cooling air through front cockpit 2-in scale 12-pound model balsa wings Coverite fabric finished acrylic enamel Wheels working shock-landing gear borrowed MRC motorcycle kit Williams Brothers cylinders modified dummy engine An overheated engine cut short its first flight Steve Saugers masterpiece Lockheed Orion first seen Toledo proved super-scale model can made fly earlier foam wing hadbeen replaced built-up balsato reduce weight covered Skyloft material dope balsa-planked fuselage covered one-ounce fiberglass cloth polyester resin Ditzler automotive primer finished Sighutyrate dope 105 pound model carried half pound lead its nose balsa cowl segmented top access K&B 60 engine Canopy cabin windows formed 030 Plexiglas Wing fillets always difficult project built-up balsa blocks edged 1/64 plywood sanded feather edge Steve used Fox wheels support heavy plane Goodyear logo applied sidewalls application Willhold H/C-S 6 glue toothpick glue dries clear ap pears black lettering landing gear retraction ultimate realism Gear 28 Model Aviation Hal Parenti used fine Bearcat win piace 1980 Scais team Ship faithful rendering John Gurys real Grumman Bearcat Steve Saugers masterpiece lvS ocneea urion ussa Dy Detroit News Won Sterling award excellence flight achieve ment award Large Ryan PT-22 powered OS 90 Weight 15 lbs span 8 ft Bob Karisson flaw low slow missed third place 6 poInt Heartbreaker Sport Scale winnerBusds Navajo rge airplanei . .. 83 indid elegant touch-and-goesi 00 static highest flight points Precision Scale winner Bob Wisches Piel Beryl Winning its second Nats acrobatic homebuilt highest flight score Precision Second Sport Scale Windecker Eagle Ralph Jackson garnered perfect static pointsi 00 Ship ideally proportioned modeling doors folded prototype manner Steve received Sterling award $100 top static points Association Scale Aeromodelers flight achievement award Ralph Jackson come Lincoln Nats fly entered Precision Sport Scale well Pattern Piper Comanche 180 used 1974 Lakehurst World Chain pionships placed third Once thought precision quality now downgraded Sport Scale Windecker Eagle received perfect 100 static score finishing second place make Ralph team member Both planes balsa construction finished silk dope final coats acrylic lacquer Coman che uses Goldberg retracts Eagle has fixed gear Piper Navajo George Buso seen previ ously Dayton Nats received perfect static score 100 combination highest flight score Sport win event Navajo large heavy 835-in span 15 pounds making necessary George build new plane next years international meet weight limit 13 pounds engine displacement limited 90 cu total Georges plane uses pair Webra Black Head 60s has no retracts FAI meet bonus flight points two englnes retracts Navajo unquestionably spectacular planes Nats both appearance its stable flight strong possibility George will also act team manager Ottawa job unfamiliar him carried responsibility Woodvale last year third-place plane Sport Scale Grum man F8F-2 Bearcat Hal Parenti another outstanding example up-grading has taken place class great viewing distance evident no ordinary model finish copied privately owned Bearcat using K&B Superpoxy flattener added reduce gloss realism neath englne cowl network plumbing bring exhaust outlets scale locations Perry-ported Supertigre 60 Visible details such forged tail-wheel fork faithfully reproduced faultless close examination Modeling fast plane has Continued page 109 November1979 29 Static judge Weber Bob Underwood diacuss Bobs presentation Judges helpful comments score sheets Bob Graham aja specxacuiar austing demos wixn 1-Iper Iawnee US Precision Scale team tor i ou woriu nampIun5nups IJUdWe Can L Bob Underwood Hiperbipe third Bob Wiacher Piel Beryl first George Rose Curtiss Hawk P-6E second US Spori caie team going Ottawa 1980 Lto H Ralph Jackson Windecker Eagle second Hal Parenti Grumman Bearcat third George Buso Piper Navajo first place Interesting variety aircraft Larry DAttilios Fokker 0-23 flew very well Its two Webra BH 60s scratch-built 1 5lb plane difficult subjectas text reports Judges Bob Karisson Bill Knepp LeRoyWeber Jr give George Roses Hawk good long look precision ship required over hour _ 8~ zi Im good Pylon Im good Aerobatics Im good Scale Im going great RC Carrier product review product review product review Paul Kugler unique book pictorial stepby-step do-it-yourself instruction manual build ing Performer basic trainer anyone can build fly book contains full-size templates scratch building fact book encourages scratch building beginner including lengthy sequence pictures several hundred Eric Myers drawings Jim Newman Also included comprehensive Bill Materials 11 chapters taking reader pre construction through first flight knowl edge first book presents model virtually modeler can both build fly model 6 wing span balsa 1/2A powered product review product review product review HB powered Heliboy took first Novice Bruce Buchanan both complained about HBs no midrange adjustment Perry carb Mine will burp 4cycle occasionally causing unnecessary tail swings feeble attempts cure involved leaning out idle disk point midrange wanted idle nonexistent zero got second round no start convinced way go Mike Mas gave some advice have tried will pass along Disassemble carb pull out idle mixture dlsk slot meters idle fuel Use razor saw enlarge slot like going cut way through cut oft enlarge little time Clean out burrs reassemble test fly see improves midrange idea basically same mineyou lean out idle disk increased idle slot has effect richening up idle turn midrange leans out Lloyd Wheeler Elgin IL decided forgo competing favor assisting CD Bob Haden During breaks competition put some exhibition flights Heliboy something see Schoonard Gorham process testing autorotation clutch/main gear combination Schluter As soon gets Big Guys approval will marketmaybe time read Lloyd reminded autorotations beginner Mike Mas comments autorotations include 30 feet about minimum safe altitude starting blade finish important Smooth blades work best flew four rounds Monday three Tuesday noon Tuesday decided fliers competition cease spent afternoon fun-flying spectators Check Competition News scores win ners Thanks judges local supporters Tom Yantis John Kelly AMA Veep John Grigg Bob Carison Walter Pinnt Mike Ritonya Spe cial thank Mike Mas Lloyd Wheeler Peyton Enloe dad Jerry Peters helping problems calling otherwise unrec ognizable maneuvers Plan attend Nats next yearI RC Scale/Wischers continued page 29 advantages flight competition Bearcat could flown fast enough smooth serious loss realism points Hal received special award Air Force Association best military model Nats quarter-scale 14-pound Ryan PT22 came within six tenths point placing Bob Karisson international team fourthplace plane flew very slowly speed appeared scale-like troubled several occations strong winds drifted model Bobs Ryan poweredby adirect drive OS 90 engine 155 prop built-up fuselage 1/64 plywood covering wrapped grain vertical piece 96-in span balsa wing covered dress shop materiaL Sixteen hours spent dummy engine cyl inders constructed alternate layers alu minum litho plate balsa Curved wing tips tail outlines formed wet 3/16 sq spruce allowed dry several days Flying landing wires dressmakers round elastic clevis ends Bob Violetts well-known A4 Skyhawk dis new releases Bucker IITNGMEISTER radio control -honnel great schooiyard acute TRAVEL AIR 6OOO 020 power 36span 12 channel R/C free flight 51495 U 3wingspon SeaguW rubber available soon C02 power SEE YOURsend 254 DEALER NOWcatalog INE MODELS INC November1979 109 Radio Control Flying Non-Modeler @ $595 Boynton & Associates Clifton House Clifton VA 22024 5 4 t ow Go o X je Ce\CO AIR FLAIR MEG COENCLOSE CHECK OR MONEY ORDER BOX 11702 MISSOURI RESIDENTS ADD 4125% KANSAS CITY MOKANSAS RESIDENTS ADD 3% 64138 NAME ADDRESS CITY___STATE ZIP PLEASE SEND KITS @ $______________ CUSTOM TUNED ENGINES COMPETITION ACCESSORIES Cox 0491051 Specialists brochure send 1 5c stamp Kustom Kraftsmanship Brochure Box 2699 Laguna Hitts CA 92653 714 830-5162 played extremely smooth performance high speed very likely near true scale speed K&B 75cc engine leaves irn pression ducted fan installation underpowered nine-pound airplane addition fifth place Bob recipient Scale Association flight achievement award number unusual planes appeared Nats Bud Atkinsons T-34C turboprop Beechcraft has ideal proportions modeling GET ORGANIZED s set 04 sturdy itles (tat holds over 4 years tavorie 8r ii magazines 4 MAG FILES $495 send 5495 phs St ItO postage end handlerg DGU INDUSThES PO BOX 388-K DOVER NH 03820 long nose generous control surfaces Piper Pawnee crop duster sprayed talcum powder its hopper low altitude entry Dick Graham Fortunately dust canied away flight judges might have dusted perfumed baby powder Dicks static score 987 highest Hank Pohimans Cessna 172 exact copy full-size plane used transportation home Iowa Cessna will kitted COMPLETE THIS FORM AND ATtACH MAILING iumuiuiui-cww IUEIUILE\EULABEL FROM RE CENT issu LET US KNOW WHERE YOU ARE GOING move please let us know advancestx weeks re-I quired change address Attach current MA mailing labelI check appropriate box matl Subscription Dept.I Model Aviation 815 Fifteenth St. NW. Washington DC. I20005 Check appropriate boxenclose payment El NEW SUBSCRIPTION 0 CHANGE OF ADDRESSI Non-AMA subscription ratesI $1600 12 months Canada UnIted States possessionselsewhere $1800j NAMEI ADDRESSj CITY/STATE _________ ZIP ___I MODEL AVIATION 815 FIFTEENTH ST. NW. WASHINGTON DC 20005 soon surprises meet stable flight Bob Thackers Turner Special racer Aircraft used racing seldom find way scale contests though some classic racers well proportioned Turner long tail large surfaces can flown successfully Control-Line Scale fliers has very successful category has now entered RC Scale Mike Gretz modified CL Zlin Akrobat converting radio control also used similar Zlin win first place CL Scale event have hearing about Larry DAttilios Fokker D-23 push-pull twin-engine fighter number years debut plane Larry uses palr Webra 60s 15pound 70-in span plane would appear twin engines fuselage centerline ideal arrangement may true engine quits practice found adverse yaw difficult overcome prop blast over elevator caused severe flutter Larry solved flutter problem adding second pushrod elevator horn obtaln rigid control flutter caused softness control linkages Tom Cook misfortune Messerschmitt ME-262 last years Nats similar experiences Lincoln 176pound 84-in span plane has apsirofducted fans K&B 75 cc engines began surge during first flight Tom managed keep control through round lost stalled turn crash pavement Another ducted fan entry A-4E Israeli Skyhawk flown Mike Grady met similar fate An F4U Corsair Garland Hamilton badly damaged its throttle suddenly opened taxiing after flight plane lifted off collided crowd barrier fence Officiating RC Scale category capably administered Dick Carson John Preston Dale Arvin Precision Scale static judges LeRoy Weber Jr Bill Knepp Bob Karisson product review product review product review complete manual electric propulsion systems including over 100 photos detailed drawings models Includes references sources plans kits use motor list electric articles much table contents list 29 items including dos donts Very good person just getting electric propulsion airplanes product review product review product review 110 Model Aviation Quiet Revolution Astro Flight Inc 13377 Beach Ave Venice CA 90291
Edition: Model Aviation - 1979/11
Page Numbers: 27, 28, 29, 109, 110
WITH places two RC Scale teams stake Ottawa Canada Scale World Champion ships 1980 Nats became higlily contested proving ground team selection First second third place will constitute Precision Scale Sport Scale teams Two tenths point total 733 separated third- fourth-place contestants Precision Scale Six tenths point determined third- fourth-place modelers became team member Sport Scale closeness finish kept everyone gathered around score charts until tabulations indi vidually checked accuracy teams will consist Bob Wischer George Rose Bob Underwood Precision Scale George Buso Ralph Jackson Hal Parenti Sport Scale six Precision Scale planes ap peared Nats quality uniformly high static scores held no hint final outcome decided flying Sport Scale three winning models static scores 100 100 993 100 repre senting score perfect airplane obvious quality extremely high three Precision Scale winners used scratch-built planes previously flown Nats World Championships Sport Scale first two places also well tried planes Only Hal Parentis third-place Grum man Bearcat new Nats competition Sport Scale top seven Precision six entries scratch airplanes Roughly half Sport competitors entered kit planes military types predominating Weather some effect outcome flight competition Temperatures high nineties over 100 degrees day Overheated engines electronics cut some flights short led accidents Piel Beryl used Bob Wischer two Nats two World Championships captured first place position next team startling moment its final flight canopy adhesive fell victim heat canopy shattered pieces mid-air its absence no noticeable effect flight second place Curtiss Hawk P-6E George Rose has also contender previous Nats 64-in span Supertigre powered Hawk very stable flight hatch opens above engine cylinder access plug second opening forward cylinder folds down permit flow cooling air Both hatches remain attached conform rule requiring no parts removed George carefully simulated scalloped music wire wing trailing edges Air Force Museum prototype Never have judges seen documentation complete such over whelming quantity Bob Underwoods third-place Sorrell Hiper November1979 27 Hal Parenti receives scoring sheets Mary Arvin Scale turn-in area Hal long-time competitor Scale Mary deemed real asset proceedings Some fly some work enjoy WInner 0 Inc Spoil Scale Tllght-aclllevement award Bob Violett SkyhawkA-4 Model factory prototype finished show effect markings foreign buyers Focke-WuIf Fw 44 Earl Thompson completely scale metal fuselage MRC motorcycle wheels shockebsorbing gear Cockpit details Thompsons Focke-WuIf Fw44 World War II Luftwaffe trainer cockpit entrance doors fold down bipe used Woodvale World Championships Additional effort improved appearance since last seen areas such windshield molding Its engines performance seemed affected high temperatures Lincoln noticeably reduce maneuverability Bob also entered Petlyakov twin-engined bomber Sport Scale lost power engine during its first flight spiralled pavement severely damaged During airshow followed Nats Bobs Hiperbipe totally destroyed suspected malicious interference along two other scale models monitor use indicated frequencies being switched new Precision Scale planes first seen Nats Focke WuIf 44J Stieglitz Earl Thompson included unusual features such steel-tube fuselage authentic metal plates steel flying wires rolled streamline shape completely concealed OS 60 FSR engine vented its cooling air through front cockpit 2-in scale 12-pound model balsa wings Coverite fabric finished acrylic enamel Wheels working shock-landing gear borrowed MRC motorcycle kit Williams Brothers cylinders modified dummy engine An overheated engine cut short its first flight Steve Saugers masterpiece Lockheed Orion first seen Toledo proved super-scale model can made fly earlier foam wing hadbeen replaced built-up balsato reduce weight covered Skyloft material dope balsa-planked fuselage covered one-ounce fiberglass cloth polyester resin Ditzler automotive primer finished Sighutyrate dope 105 pound model carried half pound lead its nose balsa cowl segmented top access K&B 60 engine Canopy cabin windows formed 030 Plexiglas Wing fillets always difficult project built-up balsa blocks edged 1/64 plywood sanded feather edge Steve used Fox wheels support heavy plane Goodyear logo applied sidewalls application Willhold H/C-S 6 glue toothpick glue dries clear ap pears black lettering landing gear retraction ultimate realism Gear 28 Model Aviation Hal Parenti used fine Bearcat win piace 1980 Scais team Ship faithful rendering John Gurys real Grumman Bearcat Steve Saugers masterpiece lvS ocneea urion ussa Dy Detroit News Won Sterling award excellence flight achieve ment award Large Ryan PT-22 powered OS 90 Weight 15 lbs span 8 ft Bob Karisson flaw low slow missed third place 6 poInt Heartbreaker Sport Scale winnerBusds Navajo rge airplanei . .. 83 indid elegant touch-and-goesi 00 static highest flight points Precision Scale winner Bob Wisches Piel Beryl Winning its second Nats acrobatic homebuilt highest flight score Precision Second Sport Scale Windecker Eagle Ralph Jackson garnered perfect static pointsi 00 Ship ideally proportioned modeling doors folded prototype manner Steve received Sterling award $100 top static points Association Scale Aeromodelers flight achievement award Ralph Jackson come Lincoln Nats fly entered Precision Sport Scale well Pattern Piper Comanche 180 used 1974 Lakehurst World Chain pionships placed third Once thought precision quality now downgraded Sport Scale Windecker Eagle received perfect 100 static score finishing second place make Ralph team member Both planes balsa construction finished silk dope final coats acrylic lacquer Coman che uses Goldberg retracts Eagle has fixed gear Piper Navajo George Buso seen previ ously Dayton Nats received perfect static score 100 combination highest flight score Sport win event Navajo large heavy 835-in span 15 pounds making necessary George build new plane next years international meet weight limit 13 pounds engine displacement limited 90 cu total Georges plane uses pair Webra Black Head 60s has no retracts FAI meet bonus flight points two englnes retracts Navajo unquestionably spectacular planes Nats both appearance its stable flight strong possibility George will also act team manager Ottawa job unfamiliar him carried responsibility Woodvale last year third-place plane Sport Scale Grum man F8F-2 Bearcat Hal Parenti another outstanding example up-grading has taken place class great viewing distance evident no ordinary model finish copied privately owned Bearcat using K&B Superpoxy flattener added reduce gloss realism neath englne cowl network plumbing bring exhaust outlets scale locations Perry-ported Supertigre 60 Visible details such forged tail-wheel fork faithfully reproduced faultless close examination Modeling fast plane has Continued page 109 November1979 29 Static judge Weber Bob Underwood diacuss Bobs presentation Judges helpful comments score sheets Bob Graham aja specxacuiar austing demos wixn 1-Iper Iawnee US Precision Scale team tor i ou woriu nampIun5nups IJUdWe Can L Bob Underwood Hiperbipe third Bob Wiacher Piel Beryl first George Rose Curtiss Hawk P-6E second US Spori caie team going Ottawa 1980 Lto H Ralph Jackson Windecker Eagle second Hal Parenti Grumman Bearcat third George Buso Piper Navajo first place Interesting variety aircraft Larry DAttilios Fokker 0-23 flew very well Its two Webra BH 60s scratch-built 1 5lb plane difficult subjectas text reports Judges Bob Karisson Bill Knepp LeRoyWeber Jr give George Roses Hawk good long look precision ship required over hour _ 8~ zi Im good Pylon Im good Aerobatics Im good Scale Im going great RC Carrier product review product review product review Paul Kugler unique book pictorial stepby-step do-it-yourself instruction manual build ing Performer basic trainer anyone can build fly book contains full-size templates scratch building fact book encourages scratch building beginner including lengthy sequence pictures several hundred Eric Myers drawings Jim Newman Also included comprehensive Bill Materials 11 chapters taking reader pre construction through first flight knowl edge first book presents model virtually modeler can both build fly model 6 wing span balsa 1/2A powered product review product review product review HB powered Heliboy took first Novice Bruce Buchanan both complained about HBs no midrange adjustment Perry carb Mine will burp 4cycle occasionally causing unnecessary tail swings feeble attempts cure involved leaning out idle disk point midrange wanted idle nonexistent zero got second round no start convinced way go Mike Mas gave some advice have tried will pass along Disassemble carb pull out idle mixture dlsk slot meters idle fuel Use razor saw enlarge slot like going cut way through cut oft enlarge little time Clean out burrs reassemble test fly see improves midrange idea basically same mineyou lean out idle disk increased idle slot has effect richening up idle turn midrange leans out Lloyd Wheeler Elgin IL decided forgo competing favor assisting CD Bob Haden During breaks competition put some exhibition flights Heliboy something see Schoonard Gorham process testing autorotation clutch/main gear combination Schluter As soon gets Big Guys approval will marketmaybe time read Lloyd reminded autorotations beginner Mike Mas comments autorotations include 30 feet about minimum safe altitude starting blade finish important Smooth blades work best flew four rounds Monday three Tuesday noon Tuesday decided fliers competition cease spent afternoon fun-flying spectators Check Competition News scores win ners Thanks judges local supporters Tom Yantis John Kelly AMA Veep John Grigg Bob Carison Walter Pinnt Mike Ritonya Spe cial thank Mike Mas Lloyd Wheeler Peyton Enloe dad Jerry Peters helping problems calling otherwise unrec ognizable maneuvers Plan attend Nats next yearI RC Scale/Wischers continued page 29 advantages flight competition Bearcat could flown fast enough smooth serious loss realism points Hal received special award Air Force Association best military model Nats quarter-scale 14-pound Ryan PT22 came within six tenths point placing Bob Karisson international team fourthplace plane flew very slowly speed appeared scale-like troubled several occations strong winds drifted model Bobs Ryan poweredby adirect drive OS 90 engine 155 prop built-up fuselage 1/64 plywood covering wrapped grain vertical piece 96-in span balsa wing covered dress shop materiaL Sixteen hours spent dummy engine cyl inders constructed alternate layers alu minum litho plate balsa Curved wing tips tail outlines formed wet 3/16 sq spruce allowed dry several days Flying landing wires dressmakers round elastic clevis ends Bob Violetts well-known A4 Skyhawk dis new releases Bucker IITNGMEISTER radio control -honnel great schooiyard acute TRAVEL AIR 6OOO 020 power 36span 12 channel R/C free flight 51495 U 3wingspon SeaguW rubber available soon C02 power SEE YOURsend 254 DEALER NOWcatalog INE MODELS INC November1979 109 Radio Control Flying Non-Modeler @ $595 Boynton & Associates Clifton House Clifton VA 22024 5 4 t ow Go o X je Ce\CO AIR FLAIR MEG COENCLOSE CHECK OR MONEY ORDER BOX 11702 MISSOURI RESIDENTS ADD 4125% KANSAS CITY MOKANSAS RESIDENTS ADD 3% 64138 NAME ADDRESS CITY___STATE ZIP PLEASE SEND KITS @ $______________ CUSTOM TUNED ENGINES COMPETITION ACCESSORIES Cox 0491051 Specialists brochure send 1 5c stamp Kustom Kraftsmanship Brochure Box 2699 Laguna Hitts CA 92653 714 830-5162 played extremely smooth performance high speed very likely near true scale speed K&B 75cc engine leaves irn pression ducted fan installation underpowered nine-pound airplane addition fifth place Bob recipient Scale Association flight achievement award number unusual planes appeared Nats Bud Atkinsons T-34C turboprop Beechcraft has ideal proportions modeling GET ORGANIZED s set 04 sturdy itles (tat holds over 4 years tavorie 8r ii magazines 4 MAG FILES $495 send 5495 phs St ItO postage end handlerg DGU INDUSThES PO BOX 388-K DOVER NH 03820 long nose generous control surfaces Piper Pawnee crop duster sprayed talcum powder its hopper low altitude entry Dick Graham Fortunately dust canied away flight judges might have dusted perfumed baby powder Dicks static score 987 highest Hank Pohimans Cessna 172 exact copy full-size plane used transportation home Iowa Cessna will kitted COMPLETE THIS FORM AND ATtACH MAILING iumuiuiui-cww IUEIUILE\EULABEL FROM RE CENT issu LET US KNOW WHERE YOU ARE GOING move please let us know advancestx weeks re-I quired change address Attach current MA mailing labelI check appropriate box matl Subscription Dept.I Model Aviation 815 Fifteenth St. NW. Washington DC. I20005 Check appropriate boxenclose payment El NEW SUBSCRIPTION 0 CHANGE OF ADDRESSI Non-AMA subscription ratesI $1600 12 months Canada UnIted States possessionselsewhere $1800j NAMEI ADDRESSj CITY/STATE _________ ZIP ___I MODEL AVIATION 815 FIFTEENTH ST. NW. WASHINGTON DC 20005 soon surprises meet stable flight Bob Thackers Turner Special racer Aircraft used racing seldom find way scale contests though some classic racers well proportioned Turner long tail large surfaces can flown successfully Control-Line Scale fliers has very successful category has now entered RC Scale Mike Gretz modified CL Zlin Akrobat converting radio control also used similar Zlin win first place CL Scale event have hearing about Larry DAttilios Fokker D-23 push-pull twin-engine fighter number years debut plane Larry uses palr Webra 60s 15pound 70-in span plane would appear twin engines fuselage centerline ideal arrangement may true engine quits practice found adverse yaw difficult overcome prop blast over elevator caused severe flutter Larry solved flutter problem adding second pushrod elevator horn obtaln rigid control flutter caused softness control linkages Tom Cook misfortune Messerschmitt ME-262 last years Nats similar experiences Lincoln 176pound 84-in span plane has apsirofducted fans K&B 75 cc engines began surge during first flight Tom managed keep control through round lost stalled turn crash pavement Another ducted fan entry A-4E Israeli Skyhawk flown Mike Grady met similar fate An F4U Corsair Garland Hamilton badly damaged its throttle suddenly opened taxiing after flight plane lifted off collided crowd barrier fence Officiating RC Scale category capably administered Dick Carson John Preston Dale Arvin Precision Scale static judges LeRoy Weber Jr Bill Knepp Bob Karisson product review product review product review complete manual electric propulsion systems including over 100 photos detailed drawings models Includes references sources plans kits use motor list electric articles much table contents list 29 items including dos donts Very good person just getting electric propulsion airplanes product review product review product review 110 Model Aviation Quiet Revolution Astro Flight Inc 13377 Beach Ave Venice CA 90291