CONTROL LINE RACING TAMING THE TRs long have flown F2C Team Race 25 years have rumors Federation Aeronautiqe Intemationale FAI would make draconian rules change slow models down engine size would reduced 09 suddenly rendering everyones equipment obsolete smaller engines proposed 1976 top competitors just beginning consistently break fourminute barrier Despite persistent debate neither engine-size reduction nor other rules change has transpiredin fact no significant changes have occurred since 7cc tanks arrived 1967 Rules stability goodexcept now 20 years later 314 heat record anything mid-320s too slow Years ago few teams went fast now competitive equipment eastern Europe combined dropping builder-of-themodel rule lets virtually anyone achieve warp speeds just spending few bucks okaymany bucks However high airspeed itself really problem pilots increased groundspeed problem two other people circle pilots have tough time keeping up model compounded aging pilot population few newcomers joining ranks two ways reduce pilots rotational speed first increase line length model flies bigger circle second reduce airspeed increasing drag restricting power Increasing line length most-logical least-restrictive mostpredictable approach lines increased 52 feet three inches 58 feet model circulating 180 seconds 10 laps would go equivalent 200 seconds 10 laps rotational speed about 20 years ago would represent significant change 10 km race would 90 laps rather 100 laps airspeed race times would essentially unchanged character event would maintained Remember changing line length unprecedentedthe event started out 1954 43-foot lines 120 laps 10km standard objection increasing line length larger diameter circle wont fit sitewed have tear down fence rebuild wonder much problem really sites have seen 10 feet between flight circle fence58-foot lines would require less six extra feet Solving problem reducing airspeed eg reducing engine capacity restricting venturi using standard fuel etc philosophically wrong oppressive implementation would problematic think event interest would decline During 1996 World Championships Sweden increasing wire diameter 4mm 016 inch suggested would slow models down about 1 second 10 lapsnot enough long-term solution doubt would see much reduction Larger wires probably safer 3mm [012 inch] has used since 1960 race times about 430 increase 35mm 014 inch would indicated Perhaps FAI should adopt plan formulate series changes implemented incrementally perhaps making rules change effective five years would palatable various interests knowledge neither approach has tried critical point has reached FAI needs take action prevent Team Racing spiraling oblivion Custom pilots Kermit Frog has flying FAT TRs about 20 years has done good jobexcept 1994 Nationals ate asphalt sandwich pilot choice determined love amphibians have eaten France dissected school occasionally used bait need meet rule requirement pilot has direct visibility forwardthe canopy model built time raked back frog eyes top head could fly according visual flight rules want give TR some character throw out little plastic ball balsa block painted-on smiley face make some pilots personality Suitable molding subjects can found toy store Take caliper youthe pilot needs 14mm x 14mm 20mm minimum height should select action figure cartoon character relatively smooth features molding ease Remember Kermit Opus already taken mold shown photograph made polyester carbody filler Make halves separately confining body filler 142 Model Aviation part mold making custom TR pilots Pilots should 14mm x 14mm 20mm minimum height Details text latest version Vorobiev 15 side-exhaust diesel FAI F2C Imported Moscow Lenard Ascher Nazin F2C Machined-aluminum yoke across engine front gives positive front-attachment wire fingers kit scrap balsa box framedont forget polyvinyl acetate release agent V shaped notches locate mold halves make pilot Lay up mold halves using polyester laminating resin three layers 3/4 oz glass cloth complexity subject will dictate whether big pieces cloth can used multiple smaller pieces needed get layup flat mold across parting line air bubbles Close mold secure rubber band check through open shoulder area ensure cloth remains flat against mold surfaces make base Lay up three pieces cloth flat surface previously covered plastic film set mold cloth weight top After curing open mold remove flash fill air bubbles before painting result lightweight 1/2-3/4g more-appealing pilot very least will have someone else blame poor race times Vorobiev 15D engine photograph latest version sideexhaust Vorobiev Team Race diesel side-exhaust front-exhaust Vorobiev Nazin TR model kit imported Moscow Lenard Ascher see below equipment world-class state art Lenard reports good stock engine parts hand times availability complete engines kits varies best order early Current prices $480 engines $220 matching model kit Gillott Products have received several requests information about GP Rossi 15 Mk 3 invariably takes top places Nationals Scale Racing event engines prepared Tim Gillott feature own piston/sleeve head venturi crankshaft crankcase extensively modified adjust intake timing bearings carefully shimmed alignment cost $260 depending engine condition supply engine Tim will work engines 049 65you wont disappointed Also available plans instructions Circus Circus Shoestring Goodyear racer including hardware engine mounts bellcrank shutoff tank landing gear mounting block $200 Just detailed plan instructions $20 Tim also has plans Shark AMA Rat Racer sale Lenard Ascher 215 N Prospectors Road Diamond Bar CA 91765 909 860-9476 Gillott Products 1063 Harding St Salinas CA 93906 408 449-2052 RGLASS Over 12000 yds must go Limited quantities Iln SWWQUTSA/E ml Deafers & Manufacturers Wefcome Minimum Cut io ydi Safe rice Weight h Sale 08 oz 0 ml 075oz $325 lI~ i Soz 0 44$265$ 75 3 15oz 0 23 oz open38$325$150 z tight50$325$100 %3oz 00 75 g3oz 55 00 III 32 oz satin38$415$250 oz tight 48 $400 $200 prices quoted price per yard Orders under $50 add $5 handling except Savers Club Members Shipping additional VISA Mastercard Discover American Express Order Toll Free 1-800-338-1278 E-Mail cat@tmlnetcom Web Site httpllwwwtmlnetcom/catl Composite Structures Technology P 0 Box 642 Dept JO Tehachapi CA 93581-0642
Edition: Model Aviation - 1997/04
Page Numbers: 142, 143
Edition: Model Aviation - 1997/04
Page Numbers: 142, 143
CONTROL LINE RACING TAMING THE TRs long have flown F2C Team Race 25 years have rumors Federation Aeronautiqe Intemationale FAI would make draconian rules change slow models down engine size would reduced 09 suddenly rendering everyones equipment obsolete smaller engines proposed 1976 top competitors just beginning consistently break fourminute barrier Despite persistent debate neither engine-size reduction nor other rules change has transpiredin fact no significant changes have occurred since 7cc tanks arrived 1967 Rules stability goodexcept now 20 years later 314 heat record anything mid-320s too slow Years ago few teams went fast now competitive equipment eastern Europe combined dropping builder-of-themodel rule lets virtually anyone achieve warp speeds just spending few bucks okaymany bucks However high airspeed itself really problem pilots increased groundspeed problem two other people circle pilots have tough time keeping up model compounded aging pilot population few newcomers joining ranks two ways reduce pilots rotational speed first increase line length model flies bigger circle second reduce airspeed increasing drag restricting power Increasing line length most-logical least-restrictive mostpredictable approach lines increased 52 feet three inches 58 feet model circulating 180 seconds 10 laps would go equivalent 200 seconds 10 laps rotational speed about 20 years ago would represent significant change 10 km race would 90 laps rather 100 laps airspeed race times would essentially unchanged character event would maintained Remember changing line length unprecedentedthe event started out 1954 43-foot lines 120 laps 10km standard objection increasing line length larger diameter circle wont fit sitewed have tear down fence rebuild wonder much problem really sites have seen 10 feet between flight circle fence58-foot lines would require less six extra feet Solving problem reducing airspeed eg reducing engine capacity restricting venturi using standard fuel etc philosophically wrong oppressive implementation would problematic think event interest would decline During 1996 World Championships Sweden increasing wire diameter 4mm 016 inch suggested would slow models down about 1 second 10 lapsnot enough long-term solution doubt would see much reduction Larger wires probably safer 3mm [012 inch] has used since 1960 race times about 430 increase 35mm 014 inch would indicated Perhaps FAI should adopt plan formulate series changes implemented incrementally perhaps making rules change effective five years would palatable various interests knowledge neither approach has tried critical point has reached FAI needs take action prevent Team Racing spiraling oblivion Custom pilots Kermit Frog has flying FAT TRs about 20 years has done good jobexcept 1994 Nationals ate asphalt sandwich pilot choice determined love amphibians have eaten France dissected school occasionally used bait need meet rule requirement pilot has direct visibility forwardthe canopy model built time raked back frog eyes top head could fly according visual flight rules want give TR some character throw out little plastic ball balsa block painted-on smiley face make some pilots personality Suitable molding subjects can found toy store Take caliper youthe pilot needs 14mm x 14mm 20mm minimum height should select action figure cartoon character relatively smooth features molding ease Remember Kermit Opus already taken mold shown photograph made polyester carbody filler Make halves separately confining body filler 142 Model Aviation part mold making custom TR pilots Pilots should 14mm x 14mm 20mm minimum height Details text latest version Vorobiev 15 side-exhaust diesel FAI F2C Imported Moscow Lenard Ascher Nazin F2C Machined-aluminum yoke across engine front gives positive front-attachment wire fingers kit scrap balsa box framedont forget polyvinyl acetate release agent V shaped notches locate mold halves make pilot Lay up mold halves using polyester laminating resin three layers 3/4 oz glass cloth complexity subject will dictate whether big pieces cloth can used multiple smaller pieces needed get layup flat mold across parting line air bubbles Close mold secure rubber band check through open shoulder area ensure cloth remains flat against mold surfaces make base Lay up three pieces cloth flat surface previously covered plastic film set mold cloth weight top After curing open mold remove flash fill air bubbles before painting result lightweight 1/2-3/4g more-appealing pilot very least will have someone else blame poor race times Vorobiev 15D engine photograph latest version sideexhaust Vorobiev Team Race diesel side-exhaust front-exhaust Vorobiev Nazin TR model kit imported Moscow Lenard Ascher see below equipment world-class state art Lenard reports good stock engine parts hand times availability complete engines kits varies best order early Current prices $480 engines $220 matching model kit Gillott Products have received several requests information about GP Rossi 15 Mk 3 invariably takes top places Nationals Scale Racing event engines prepared Tim Gillott feature own piston/sleeve head venturi crankshaft crankcase extensively modified adjust intake timing bearings carefully shimmed alignment cost $260 depending engine condition supply engine Tim will work engines 049 65you wont disappointed Also available plans instructions Circus Circus Shoestring Goodyear racer including hardware engine mounts bellcrank shutoff tank landing gear mounting block $200 Just detailed plan instructions $20 Tim also has plans Shark AMA Rat Racer sale Lenard Ascher 215 N Prospectors Road Diamond Bar CA 91765 909 860-9476 Gillott Products 1063 Harding St Salinas CA 93906 408 449-2052 RGLASS Over 12000 yds must go Limited quantities Iln SWWQUTSA/E ml Deafers & Manufacturers Wefcome Minimum Cut io ydi Safe rice Weight h Sale 08 oz 0 ml 075oz $325 lI~ i Soz 0 44$265$ 75 3 15oz 0 23 oz open38$325$150 z tight50$325$100 %3oz 00 75 g3oz 55 00 III 32 oz satin38$415$250 oz tight 48 $400 $200 prices quoted price per yard Orders under $50 add $5 handling except Savers Club Members Shipping additional VISA Mastercard Discover American Express Order Toll Free 1-800-338-1278 E-Mail cat@tmlnetcom Web Site httpllwwwtmlnetcom/catl Composite Structures Technology P 0 Box 642 Dept JO Tehachapi CA 93581-0642
