Control Line Racing John Ballard MIDWEST SPORT RACE has become events having participants being hotly-contested contest area looking various newsletters receive month parts US would say Big Goodyear variations Sport Race extremely popular parts country month Im including consolidated plans Midwest Sport Racer plans have drawn after spending considerable time adjusting type wing body construction fuselage configuration best balance flying properties durability rules Midwest Sport Race use follow Plain-bearing engine limited maximum displacement 36 cu wihg minimum 34-in span six-in chord fuselage 18-in minimum flying lines 60 ft long six 014 solid 015 stranded construction onewheel landing gear model must ROG races Larry Dziaks Scale Racersports new long stack Nelson 15 Ballard says new crankcase casting its longer exhaust stack seems give extra 500 rpm 7 Id Weght Bellntenk Mtnnitts Inside Wing K 1 112 Ann fluddet Typinel Wing Rib flu Suie Side ceneted hhrtfl 122-in PIneuodlSfle-n think O-t4-in chond 12-in Sheet Cheek Couni Nt Sidet1S-ifl Alnnntifltntn Etbine-Mutnntite Plate Fe Side FlethedSuteweSenenelPieceePoOch 35 Cnn PAinBeeting Nut-SnOnted Line Length 5056 it. Oldenlid 015 tnnded WitgWt 35 Leneth 24 Fuel Tenk Ann Siec tuel fill tube littieed 18-in 00 MIDWEST SPORT RACER Author John Ballard sends sketch Midwest Sport Racer model has developed over five-year period stability durability ease construction has included lots explanatory information months column too 100 laps two mandatory pit stops tank fill must -in OD tubing fuel shut-offs allowed no converted Schnuerle engines custom-made engine parts allowed Observation drawing shows fairly lengthy body1 purpose add weight rear balance engine tank since items usually cause nose heavy addition entire fuselage covered A2-in plywood also 6-in aluminum mounting plate engine tank runs front fuselage approximately half chord wing aluminum plate screwed -in-square hardwood mounts landing gear fairly unique design bent -in music wire wing fairly straightforward construc tion exception use good hard C graln balsa must lead weight approximately -oz outboard tip Balsa sheet covering extends over center four ribs As have mentioned earlier articles inside center sheeting well entire frame wing well-coated thinned-down Hobbypoxy clear K&B Superpoxy clear epoxy paint Since Racers usually covered MonoKote fairly easy covering become torn punctured during quick pit stops debris kicked up prop happens wing structure suitably hot-fuel-proofed fuel gets wing causes saturation problem leads wing structure deteriorating wing actually becoming detached 1-in Perfect bellcrank satisfactory Note side fuselage opposite aluminum mounting plate put hardbalsa fairing continued attempt minimize engine tank vibration wood used fuselage carefully selected alumi num engine-mounting plate hard-balsa fair ing installed engine vibration should almost nonexistent As natural result increase airspeed will forthcoming upper lower leading edges wing planked back far wing spar tall surfaces made hard /16-in balsa hinged nylon rough concrete grassy flying areas Midwest recommend sturdy 2to three-inch tail skid keep elevator scraping ground catching grass causing unstable takeoff landing charac teristics Racer consolidation experi ence fliers area during five-year period flew kit modified-kit designs very stable durable under windy conditions readers build Racer please let know performs Memorial Day weekend signifies first major Control Line contest season Midwest spent three days early spring attending Weak Signals show Toledo OH included aircraft boats cars pertinent accessories required enthusiasts As past show jam packed modelers full three days activity centered around swap shop Its old new materials sold traded private individuals special note CL Scale Racing enthusiasts new improved Rossi 15 new long-stack Nelson 15 engines change Nelson adds 500800 rpm Joe Klaus Kustom Kraftsmanship has new line optional parts accessories both reed-valve TD 049s Mouse Race Scale Race fliers should take note Joe has everything necessary Speed Racing enthusiasts Continued page 161 Two Midwest Sport Racers bacK carata contest cioseronewas madefrom solid-wood-wing Scat Rat other built-up wing Flite Streak September 1986 65 Kustom Kraftsmanships Joe Klaus nas op tional parts hand-fitted racing engines /2A enthusiasts Heres sample Jim HicKetis Sioux City SD races large-venturi-equipped K&B/Cox 15 uses Keiley 7 x 41/2 racing prop BackAnd Bigger 2nd Annual ChicAcjo Mod El & Hobby Show October10 12 1986 Trade Days October 9 10 OHare Expo Center Chicago Sponsored Radio Control Hobby Trade Association RCHTA New ProductsMany Manufacturers Will Announce New Products Show Boat Pond Car Track Static Model Competition Admission Adults $5 Children 6 12 $250 Children 5 under Free In formation Call Toll-Free 800-323-5155 Illinois Call 312-299-3131 Exhibitor Inquiries Invited whatever thickness foam board using will dictate length sides example youre using -in foam side will two times thickness 1 longer bottom panel quick study accompanying sketch will show box goes together Coat pieces foam touches foam double coat contact cement Try very neat brushing cement avoid accidental contact areas really dont want stick together may helpful have someone assist putting pieces together since somewhat awkward manipulate large panels yourself achieve much ac curacy begin assembly lay bottom panel smooth flat surface add end panels using small square assure 9O angles Ease side panel approximate position its base firmly touching flat work surface slide forward until its touching edges bottom two end panels Firm hand pressure will assure good bond Treat other side panel same way box finished Make lid turning box upside down drawing around outside dimen sions ballpoint pen cutting out piece larger piece will become top lid Laminate second bottom piece allowing thickness box walls around fit place should need minimum trimming get good friction fit Ive good success packing mod els just placing model box pouring foam peanuts around planes removable components task easier since can put two three wings fuselages box pour layers foam peanuts around probability some other form packing material could usedor custom-fitted platforms oould made cemented bottom sides box lid being used lock pieces place Several variations theme possible subject ones needs foam boxes have solved very worrisome problem minimal cost time labor money hope work well solving par ticular transporting problem USFFC/Robbins-Fruciano Continued page 64 723 B Electric Open John Qian 4131 Contest Director Carlo Godel did nice job organizing events cases procedure fly time no problems Yes US Free Flight Champion ships worthwhile trip opportunity compete very best responding advertisers mention read about ModelAviation CL Racing/Ballard Continued page 65 seemed year emphasis presentations manufacturers time-savings could made particu lar product used building models people free leisure time premium consequently time saved using various fillers glues prefab kits other equipment great interest So far year have four contests included Racing Sport Race Rat Scale Race Profile 21 Speed largest 20th Annual Tree Town Modelaires AAA meet held May 25 Waubonsee College Sugar Grove IL unusually high level entries Racing events several people driving over 600 miles one-way attend Jim Ricketts Sioux Falls SD son piloting showed some impressive performances both Rat Scale Racing Larry Dziak sporting new Nelson Long-Exhaust 15 racing engines performed very well until mounting bolts shook loose foiled chances victory engine seems get good honest 500 rpm boost extended exhaust stack seems propellers used year have turn 25000-26000 rpm ground order get competitive airspeed engines using required 10%-nitro fuel pleasant note Racing participants custom-made fibergiass props selling $5$10 price range several participants taken hint FAI Combat colleagues using 80-cent 7 x 4 graphite-filled Grish propeller available hobby shops September 1986 161 Two Giant HallsFull RIO Planes Boats ns Games SMALL SIZE E PERFORMANCE Step-By-Step Instructions lete Rolled Plans rate Machine Die Cut Balsa Spruce Plywood ce Spars Launch Strength THE HAND LAUNCH E HI-START H 59 Span 15 Oz 2 Channel 370 Sq Area Computer Modified E-193 Airfoil 4DAVEY SYSTEMS 05EV CORPORATION WOOD LANE MALVERN PA 19355 215 644-6772 Although prop does turn up required 25000 rpm ground seems hook up well engine excellent speeds obtained completely-finished propeller 80-cent price range requires enlargement shaft hole reamer slight amount balancing looks like winner 10%-nitro fuel After full year racing 10%-nitro fuel rule Racing events contest organizers now purchasing decent 10% fuel variability excess water content becoming minimum factors CDs two recent meets supplied Red Max brand fuel excellent results contest also used some Cool-Power found also quite satisfactory Several competitors have commented engine life has really extended since running fuel having 60%-70% nitro commonly case before last rules change As always comments photos solicited John Ballard 10102 Kimblewick Dr Louis ville KY 40223 CL Aerobatics/Fancher Continued page 66 column two reasons First hesitant suggest system presented serious health hazardsas recently-popular ones Second Ive never found system felt wasnt replete land mines like bubbling fillets curdling clears palnts clung des perately masking tape airplane Ive just completed finishing Citation V years Nats last Im pleased enough recommend system As can tell pictures finish Concours-qual ity though yet spit-polished addi tion extremely durable doesnt display evils previous paragraph light weight marvelous system nothing ex otic properly-applied K&B Superpoxy just little help some friends Heres base epoxy applied good old silkspan applied wet over two coats Sig clear butyrate dope thinned always cover wing tail before installing fuselage overlap centerline about inch side produces uniformly rigid wing wont tend break wing/fuse joint After assembly cover nose back high point wing very light glass cloth applied Hobbypoxy Formula II glue thinned brushing consistency Hobby poxy thinner Hint Tack cloth place instant glue before brushing Thin leftover Formula II till its like water brush over bare-wood aft fuselage will seal pores wood provide firm base rest finish Now give fuse its two full coats clear cover light silkspan Apply two coats dope thinned 50e entire air frame allow dry add fillets strong ly suggest fillets epoxy base such Sig Epoxolite Use other fillet mate rials own risk since out everything will epoxy Allow dope fillets dry least 24 hours Sand lightly remove gloss feather paper edges wipe en tire model down thoroughly Sig Airplane Cleaner Prep-Solespecially fillets keep ship scrupulously clean Spray medium coat K&B primer allow cure Eyeball surfaces low spots blemishes fill spack ling compound Sand entire airplane back till paper grain uniformly visible Dont sand through paper Rather pressing hard No 400 paper sand lightly No 220 used dry No 320 also dry Use new paper frequently arent tempt ed press Spray second light-to-medium coat primer repeat process Examine surfaces angle strong light detect final flaws respray such last coat primer resand final surface should uniformly flat no paper grain showing done No 400 paper used wet Rinse plane completely clear water let dry once wipe everything down Sig Cleaner Prep-Sol Make final wipe-down tack rag remove lint static cling Mix epoxy base color ratio col hardener thinner ratio key light epoxy finishes should used mixing colors clear top coat get some orange peel sur face add small amounts additional thinner until palnt flows smoothly Heating paint also helps flow evenly Spray mist coat over entire plane provide tacky surface come right NO55YHIDEAWAYHOB5YHIDEAWAYHO55YHI5EAWAYH55BYHIDEAWAY 22 long 911 upacca 1e CONCORDE Slingshot glider kit PP FAMOUS BRITISH DIESELS CATALOG-DIESEL HANDBOOK pp HOBBY HIDEWAYDELAVAN IL 244-7389 61734 HOSSYHIOEAWAYHOBBVHIOtAWAYIIO55YHIOEAWAYI4OB5YHIOEAU 162 Model Aviation ZO NA MVVO famous line hobby sews Razor #200 Universal #500 Classic R/C ScaleLAK5 ~GRAT TII 0 Wing 15 26 Engines Dealers & Distributors Welcomed Phone 703 273 9593 FLYLINE MODELS INC P 0 Boa 2136 Fsrfs, Vrgrna 22031 U 5 Replacement Blades available dealer FAI Model Supply P0 Box 3967 Torrance CA 90610
Edition: Model Aviation - 1986/09
Page Numbers: 65, 161, 162
Edition: Model Aviation - 1986/09
Page Numbers: 65, 161, 162
Control Line Racing John Ballard MIDWEST SPORT RACE has become events having participants being hotly-contested contest area looking various newsletters receive month parts US would say Big Goodyear variations Sport Race extremely popular parts country month Im including consolidated plans Midwest Sport Racer plans have drawn after spending considerable time adjusting type wing body construction fuselage configuration best balance flying properties durability rules Midwest Sport Race use follow Plain-bearing engine limited maximum displacement 36 cu wihg minimum 34-in span six-in chord fuselage 18-in minimum flying lines 60 ft long six 014 solid 015 stranded construction onewheel landing gear model must ROG races Larry Dziaks Scale Racersports new long stack Nelson 15 Ballard says new crankcase casting its longer exhaust stack seems give extra 500 rpm 7 Id Weght Bellntenk Mtnnitts Inside Wing K 1 112 Ann fluddet Typinel Wing Rib flu Suie Side ceneted hhrtfl 122-in PIneuodlSfle-n think O-t4-in chond 12-in Sheet Cheek Couni Nt Sidet1S-ifl Alnnntifltntn Etbine-Mutnntite Plate Fe Side FlethedSuteweSenenelPieceePoOch 35 Cnn PAinBeeting Nut-SnOnted Line Length 5056 it. Oldenlid 015 tnnded WitgWt 35 Leneth 24 Fuel Tenk Ann Siec tuel fill tube littieed 18-in 00 MIDWEST SPORT RACER Author John Ballard sends sketch Midwest Sport Racer model has developed over five-year period stability durability ease construction has included lots explanatory information months column too 100 laps two mandatory pit stops tank fill must -in OD tubing fuel shut-offs allowed no converted Schnuerle engines custom-made engine parts allowed Observation drawing shows fairly lengthy body1 purpose add weight rear balance engine tank since items usually cause nose heavy addition entire fuselage covered A2-in plywood also 6-in aluminum mounting plate engine tank runs front fuselage approximately half chord wing aluminum plate screwed -in-square hardwood mounts landing gear fairly unique design bent -in music wire wing fairly straightforward construc tion exception use good hard C graln balsa must lead weight approximately -oz outboard tip Balsa sheet covering extends over center four ribs As have mentioned earlier articles inside center sheeting well entire frame wing well-coated thinned-down Hobbypoxy clear K&B Superpoxy clear epoxy paint Since Racers usually covered MonoKote fairly easy covering become torn punctured during quick pit stops debris kicked up prop happens wing structure suitably hot-fuel-proofed fuel gets wing causes saturation problem leads wing structure deteriorating wing actually becoming detached 1-in Perfect bellcrank satisfactory Note side fuselage opposite aluminum mounting plate put hardbalsa fairing continued attempt minimize engine tank vibration wood used fuselage carefully selected alumi num engine-mounting plate hard-balsa fair ing installed engine vibration should almost nonexistent As natural result increase airspeed will forthcoming upper lower leading edges wing planked back far wing spar tall surfaces made hard /16-in balsa hinged nylon rough concrete grassy flying areas Midwest recommend sturdy 2to three-inch tail skid keep elevator scraping ground catching grass causing unstable takeoff landing charac teristics Racer consolidation experi ence fliers area during five-year period flew kit modified-kit designs very stable durable under windy conditions readers build Racer please let know performs Memorial Day weekend signifies first major Control Line contest season Midwest spent three days early spring attending Weak Signals show Toledo OH included aircraft boats cars pertinent accessories required enthusiasts As past show jam packed modelers full three days activity centered around swap shop Its old new materials sold traded private individuals special note CL Scale Racing enthusiasts new improved Rossi 15 new long-stack Nelson 15 engines change Nelson adds 500800 rpm Joe Klaus Kustom Kraftsmanship has new line optional parts accessories both reed-valve TD 049s Mouse Race Scale Race fliers should take note Joe has everything necessary Speed Racing enthusiasts Continued page 161 Two Midwest Sport Racers bacK carata contest cioseronewas madefrom solid-wood-wing Scat Rat other built-up wing Flite Streak September 1986 65 Kustom Kraftsmanships Joe Klaus nas op tional parts hand-fitted racing engines /2A enthusiasts Heres sample Jim HicKetis Sioux City SD races large-venturi-equipped K&B/Cox 15 uses Keiley 7 x 41/2 racing prop BackAnd Bigger 2nd Annual ChicAcjo Mod El & Hobby Show October10 12 1986 Trade Days October 9 10 OHare Expo Center Chicago Sponsored Radio Control Hobby Trade Association RCHTA New ProductsMany Manufacturers Will Announce New Products Show Boat Pond Car Track Static Model Competition Admission Adults $5 Children 6 12 $250 Children 5 under Free In formation Call Toll-Free 800-323-5155 Illinois Call 312-299-3131 Exhibitor Inquiries Invited whatever thickness foam board using will dictate length sides example youre using -in foam side will two times thickness 1 longer bottom panel quick study accompanying sketch will show box goes together Coat pieces foam touches foam double coat contact cement Try very neat brushing cement avoid accidental contact areas really dont want stick together may helpful have someone assist putting pieces together since somewhat awkward manipulate large panels yourself achieve much ac curacy begin assembly lay bottom panel smooth flat surface add end panels using small square assure 9O angles Ease side panel approximate position its base firmly touching flat work surface slide forward until its touching edges bottom two end panels Firm hand pressure will assure good bond Treat other side panel same way box finished Make lid turning box upside down drawing around outside dimen sions ballpoint pen cutting out piece larger piece will become top lid Laminate second bottom piece allowing thickness box walls around fit place should need minimum trimming get good friction fit Ive good success packing mod els just placing model box pouring foam peanuts around planes removable components task easier since can put two three wings fuselages box pour layers foam peanuts around probability some other form packing material could usedor custom-fitted platforms oould made cemented bottom sides box lid being used lock pieces place Several variations theme possible subject ones needs foam boxes have solved very worrisome problem minimal cost time labor money hope work well solving par ticular transporting problem USFFC/Robbins-Fruciano Continued page 64 723 B Electric Open John Qian 4131 Contest Director Carlo Godel did nice job organizing events cases procedure fly time no problems Yes US Free Flight Champion ships worthwhile trip opportunity compete very best responding advertisers mention read about ModelAviation CL Racing/Ballard Continued page 65 seemed year emphasis presentations manufacturers time-savings could made particu lar product used building models people free leisure time premium consequently time saved using various fillers glues prefab kits other equipment great interest So far year have four contests included Racing Sport Race Rat Scale Race Profile 21 Speed largest 20th Annual Tree Town Modelaires AAA meet held May 25 Waubonsee College Sugar Grove IL unusually high level entries Racing events several people driving over 600 miles one-way attend Jim Ricketts Sioux Falls SD son piloting showed some impressive performances both Rat Scale Racing Larry Dziak sporting new Nelson Long-Exhaust 15 racing engines performed very well until mounting bolts shook loose foiled chances victory engine seems get good honest 500 rpm boost extended exhaust stack seems propellers used year have turn 25000-26000 rpm ground order get competitive airspeed engines using required 10%-nitro fuel pleasant note Racing participants custom-made fibergiass props selling $5$10 price range several participants taken hint FAI Combat colleagues using 80-cent 7 x 4 graphite-filled Grish propeller available hobby shops September 1986 161 Two Giant HallsFull RIO Planes Boats ns Games SMALL SIZE E PERFORMANCE Step-By-Step Instructions lete Rolled Plans rate Machine Die Cut Balsa Spruce Plywood ce Spars Launch Strength THE HAND LAUNCH E HI-START H 59 Span 15 Oz 2 Channel 370 Sq Area Computer Modified E-193 Airfoil 4DAVEY SYSTEMS 05EV CORPORATION WOOD LANE MALVERN PA 19355 215 644-6772 Although prop does turn up required 25000 rpm ground seems hook up well engine excellent speeds obtained completely-finished propeller 80-cent price range requires enlargement shaft hole reamer slight amount balancing looks like winner 10%-nitro fuel After full year racing 10%-nitro fuel rule Racing events contest organizers now purchasing decent 10% fuel variability excess water content becoming minimum factors CDs two recent meets supplied Red Max brand fuel excellent results contest also used some Cool-Power found also quite satisfactory Several competitors have commented engine life has really extended since running fuel having 60%-70% nitro commonly case before last rules change As always comments photos solicited John Ballard 10102 Kimblewick Dr Louis ville KY 40223 CL Aerobatics/Fancher Continued page 66 column two reasons First hesitant suggest system presented serious health hazardsas recently-popular ones Second Ive never found system felt wasnt replete land mines like bubbling fillets curdling clears palnts clung des perately masking tape airplane Ive just completed finishing Citation V years Nats last Im pleased enough recommend system As can tell pictures finish Concours-qual ity though yet spit-polished addi tion extremely durable doesnt display evils previous paragraph light weight marvelous system nothing ex otic properly-applied K&B Superpoxy just little help some friends Heres base epoxy applied good old silkspan applied wet over two coats Sig clear butyrate dope thinned always cover wing tail before installing fuselage overlap centerline about inch side produces uniformly rigid wing wont tend break wing/fuse joint After assembly cover nose back high point wing very light glass cloth applied Hobbypoxy Formula II glue thinned brushing consistency Hobby poxy thinner Hint Tack cloth place instant glue before brushing Thin leftover Formula II till its like water brush over bare-wood aft fuselage will seal pores wood provide firm base rest finish Now give fuse its two full coats clear cover light silkspan Apply two coats dope thinned 50e entire air frame allow dry add fillets strong ly suggest fillets epoxy base such Sig Epoxolite Use other fillet mate rials own risk since out everything will epoxy Allow dope fillets dry least 24 hours Sand lightly remove gloss feather paper edges wipe en tire model down thoroughly Sig Airplane Cleaner Prep-Solespecially fillets keep ship scrupulously clean Spray medium coat K&B primer allow cure Eyeball surfaces low spots blemishes fill spack ling compound Sand entire airplane back till paper grain uniformly visible Dont sand through paper Rather pressing hard No 400 paper sand lightly No 220 used dry No 320 also dry Use new paper frequently arent tempt ed press Spray second light-to-medium coat primer repeat process Examine surfaces angle strong light detect final flaws respray such last coat primer resand final surface should uniformly flat no paper grain showing done No 400 paper used wet Rinse plane completely clear water let dry once wipe everything down Sig Cleaner Prep-Sol Make final wipe-down tack rag remove lint static cling Mix epoxy base color ratio col hardener thinner ratio key light epoxy finishes should used mixing colors clear top coat get some orange peel sur face add small amounts additional thinner until palnt flows smoothly Heating paint also helps flow evenly Spray mist coat over entire plane provide tacky surface come right NO55YHIDEAWAYHOB5YHIDEAWAYHO55YHI5EAWAYH55BYHIDEAWAY 22 long 911 upacca 1e CONCORDE Slingshot glider kit PP FAMOUS BRITISH DIESELS CATALOG-DIESEL HANDBOOK pp HOBBY HIDEWAYDELAVAN IL 244-7389 61734 HOSSYHIOEAWAYHOBBVHIOtAWAYIIO55YHIOEAWAYI4OB5YHIOEAU 162 Model Aviation ZO NA MVVO famous line hobby sews Razor #200 Universal #500 Classic R/C ScaleLAK5 ~GRAT TII 0 Wing 15 26 Engines Dealers & Distributors Welcomed Phone 703 273 9593 FLYLINE MODELS INC P 0 Boa 2136 Fsrfs, Vrgrna 22031 U 5 Replacement Blades available dealer FAI Model Supply P0 Box 3967 Torrance CA 90610
Edition: Model Aviation - 1986/09
Page Numbers: 65, 161, 162
Control Line Racing John Ballard MIDWEST SPORT RACE has become events having participants being hotly-contested contest area looking various newsletters receive month parts US would say Big Goodyear variations Sport Race extremely popular parts country month Im including consolidated plans Midwest Sport Racer plans have drawn after spending considerable time adjusting type wing body construction fuselage configuration best balance flying properties durability rules Midwest Sport Race use follow Plain-bearing engine limited maximum displacement 36 cu wihg minimum 34-in span six-in chord fuselage 18-in minimum flying lines 60 ft long six 014 solid 015 stranded construction onewheel landing gear model must ROG races Larry Dziaks Scale Racersports new long stack Nelson 15 Ballard says new crankcase casting its longer exhaust stack seems give extra 500 rpm 7 Id Weght Bellntenk Mtnnitts Inside Wing K 1 112 Ann fluddet Typinel Wing Rib flu Suie Side ceneted hhrtfl 122-in PIneuodlSfle-n think O-t4-in chond 12-in Sheet Cheek Couni Nt Sidet1S-ifl Alnnntifltntn Etbine-Mutnntite Plate Fe Side FlethedSuteweSenenelPieceePoOch 35 Cnn PAinBeeting Nut-SnOnted Line Length 5056 it. Oldenlid 015 tnnded WitgWt 35 Leneth 24 Fuel Tenk Ann Siec tuel fill tube littieed 18-in 00 MIDWEST SPORT RACER Author John Ballard sends sketch Midwest Sport Racer model has developed over five-year period stability durability ease construction has included lots explanatory information months column too 100 laps two mandatory pit stops tank fill must -in OD tubing fuel shut-offs allowed no converted Schnuerle engines custom-made engine parts allowed Observation drawing shows fairly lengthy body1 purpose add weight rear balance engine tank since items usually cause nose heavy addition entire fuselage covered A2-in plywood also 6-in aluminum mounting plate engine tank runs front fuselage approximately half chord wing aluminum plate screwed -in-square hardwood mounts landing gear fairly unique design bent -in music wire wing fairly straightforward construc tion exception use good hard C graln balsa must lead weight approximately -oz outboard tip Balsa sheet covering extends over center four ribs As have mentioned earlier articles inside center sheeting well entire frame wing well-coated thinned-down Hobbypoxy clear K&B Superpoxy clear epoxy paint Since Racers usually covered MonoKote fairly easy covering become torn punctured during quick pit stops debris kicked up prop happens wing structure suitably hot-fuel-proofed fuel gets wing causes saturation problem leads wing structure deteriorating wing actually becoming detached 1-in Perfect bellcrank satisfactory Note side fuselage opposite aluminum mounting plate put hardbalsa fairing continued attempt minimize engine tank vibration wood used fuselage carefully selected alumi num engine-mounting plate hard-balsa fair ing installed engine vibration should almost nonexistent As natural result increase airspeed will forthcoming upper lower leading edges wing planked back far wing spar tall surfaces made hard /16-in balsa hinged nylon rough concrete grassy flying areas Midwest recommend sturdy 2to three-inch tail skid keep elevator scraping ground catching grass causing unstable takeoff landing charac teristics Racer consolidation experi ence fliers area during five-year period flew kit modified-kit designs very stable durable under windy conditions readers build Racer please let know performs Memorial Day weekend signifies first major Control Line contest season Midwest spent three days early spring attending Weak Signals show Toledo OH included aircraft boats cars pertinent accessories required enthusiasts As past show jam packed modelers full three days activity centered around swap shop Its old new materials sold traded private individuals special note CL Scale Racing enthusiasts new improved Rossi 15 new long-stack Nelson 15 engines change Nelson adds 500800 rpm Joe Klaus Kustom Kraftsmanship has new line optional parts accessories both reed-valve TD 049s Mouse Race Scale Race fliers should take note Joe has everything necessary Speed Racing enthusiasts Continued page 161 Two Midwest Sport Racers bacK carata contest cioseronewas madefrom solid-wood-wing Scat Rat other built-up wing Flite Streak September 1986 65 Kustom Kraftsmanships Joe Klaus nas op tional parts hand-fitted racing engines /2A enthusiasts Heres sample Jim HicKetis Sioux City SD races large-venturi-equipped K&B/Cox 15 uses Keiley 7 x 41/2 racing prop BackAnd Bigger 2nd Annual ChicAcjo Mod El & Hobby Show October10 12 1986 Trade Days October 9 10 OHare Expo Center Chicago Sponsored Radio Control Hobby Trade Association RCHTA New ProductsMany Manufacturers Will Announce New Products Show Boat Pond Car Track Static Model Competition Admission Adults $5 Children 6 12 $250 Children 5 under Free In formation Call Toll-Free 800-323-5155 Illinois Call 312-299-3131 Exhibitor Inquiries Invited whatever thickness foam board using will dictate length sides example youre using -in foam side will two times thickness 1 longer bottom panel quick study accompanying sketch will show box goes together Coat pieces foam touches foam double coat contact cement Try very neat brushing cement avoid accidental contact areas really dont want stick together may helpful have someone assist putting pieces together since somewhat awkward manipulate large panels yourself achieve much ac curacy begin assembly lay bottom panel smooth flat surface add end panels using small square assure 9O angles Ease side panel approximate position its base firmly touching flat work surface slide forward until its touching edges bottom two end panels Firm hand pressure will assure good bond Treat other side panel same way box finished Make lid turning box upside down drawing around outside dimen sions ballpoint pen cutting out piece larger piece will become top lid Laminate second bottom piece allowing thickness box walls around fit place should need minimum trimming get good friction fit Ive good success packing mod els just placing model box pouring foam peanuts around planes removable components task easier since can put two three wings fuselages box pour layers foam peanuts around probability some other form packing material could usedor custom-fitted platforms oould made cemented bottom sides box lid being used lock pieces place Several variations theme possible subject ones needs foam boxes have solved very worrisome problem minimal cost time labor money hope work well solving par ticular transporting problem USFFC/Robbins-Fruciano Continued page 64 723 B Electric Open John Qian 4131 Contest Director Carlo Godel did nice job organizing events cases procedure fly time no problems Yes US Free Flight Champion ships worthwhile trip opportunity compete very best responding advertisers mention read about ModelAviation CL Racing/Ballard Continued page 65 seemed year emphasis presentations manufacturers time-savings could made particu lar product used building models people free leisure time premium consequently time saved using various fillers glues prefab kits other equipment great interest So far year have four contests included Racing Sport Race Rat Scale Race Profile 21 Speed largest 20th Annual Tree Town Modelaires AAA meet held May 25 Waubonsee College Sugar Grove IL unusually high level entries Racing events several people driving over 600 miles one-way attend Jim Ricketts Sioux Falls SD son piloting showed some impressive performances both Rat Scale Racing Larry Dziak sporting new Nelson Long-Exhaust 15 racing engines performed very well until mounting bolts shook loose foiled chances victory engine seems get good honest 500 rpm boost extended exhaust stack seems propellers used year have turn 25000-26000 rpm ground order get competitive airspeed engines using required 10%-nitro fuel pleasant note Racing participants custom-made fibergiass props selling $5$10 price range several participants taken hint FAI Combat colleagues using 80-cent 7 x 4 graphite-filled Grish propeller available hobby shops September 1986 161 Two Giant HallsFull RIO Planes Boats ns Games SMALL SIZE E PERFORMANCE Step-By-Step Instructions lete Rolled Plans rate Machine Die Cut Balsa Spruce Plywood ce Spars Launch Strength THE HAND LAUNCH E HI-START H 59 Span 15 Oz 2 Channel 370 Sq Area Computer Modified E-193 Airfoil 4DAVEY SYSTEMS 05EV CORPORATION WOOD LANE MALVERN PA 19355 215 644-6772 Although prop does turn up required 25000 rpm ground seems hook up well engine excellent speeds obtained completely-finished propeller 80-cent price range requires enlargement shaft hole reamer slight amount balancing looks like winner 10%-nitro fuel After full year racing 10%-nitro fuel rule Racing events contest organizers now purchasing decent 10% fuel variability excess water content becoming minimum factors CDs two recent meets supplied Red Max brand fuel excellent results contest also used some Cool-Power found also quite satisfactory Several competitors have commented engine life has really extended since running fuel having 60%-70% nitro commonly case before last rules change As always comments photos solicited John Ballard 10102 Kimblewick Dr Louis ville KY 40223 CL Aerobatics/Fancher Continued page 66 column two reasons First hesitant suggest system presented serious health hazardsas recently-popular ones Second Ive never found system felt wasnt replete land mines like bubbling fillets curdling clears palnts clung des perately masking tape airplane Ive just completed finishing Citation V years Nats last Im pleased enough recommend system As can tell pictures finish Concours-qual ity though yet spit-polished addi tion extremely durable doesnt display evils previous paragraph light weight marvelous system nothing ex otic properly-applied K&B Superpoxy just little help some friends Heres base epoxy applied good old silkspan applied wet over two coats Sig clear butyrate dope thinned always cover wing tail before installing fuselage overlap centerline about inch side produces uniformly rigid wing wont tend break wing/fuse joint After assembly cover nose back high point wing very light glass cloth applied Hobbypoxy Formula II glue thinned brushing consistency Hobby poxy thinner Hint Tack cloth place instant glue before brushing Thin leftover Formula II till its like water brush over bare-wood aft fuselage will seal pores wood provide firm base rest finish Now give fuse its two full coats clear cover light silkspan Apply two coats dope thinned 50e entire air frame allow dry add fillets strong ly suggest fillets epoxy base such Sig Epoxolite Use other fillet mate rials own risk since out everything will epoxy Allow dope fillets dry least 24 hours Sand lightly remove gloss feather paper edges wipe en tire model down thoroughly Sig Airplane Cleaner Prep-Solespecially fillets keep ship scrupulously clean Spray medium coat K&B primer allow cure Eyeball surfaces low spots blemishes fill spack ling compound Sand entire airplane back till paper grain uniformly visible Dont sand through paper Rather pressing hard No 400 paper sand lightly No 220 used dry No 320 also dry Use new paper frequently arent tempt ed press Spray second light-to-medium coat primer repeat process Examine surfaces angle strong light detect final flaws respray such last coat primer resand final surface should uniformly flat no paper grain showing done No 400 paper used wet Rinse plane completely clear water let dry once wipe everything down Sig Cleaner Prep-Sol Make final wipe-down tack rag remove lint static cling Mix epoxy base color ratio col hardener thinner ratio key light epoxy finishes should used mixing colors clear top coat get some orange peel sur face add small amounts additional thinner until palnt flows smoothly Heating paint also helps flow evenly Spray mist coat over entire plane provide tacky surface come right NO55YHIDEAWAYHOB5YHIDEAWAYHO55YHI5EAWAYH55BYHIDEAWAY 22 long 911 upacca 1e CONCORDE Slingshot glider kit PP FAMOUS BRITISH DIESELS CATALOG-DIESEL HANDBOOK pp HOBBY HIDEWAYDELAVAN IL 244-7389 61734 HOSSYHIOEAWAYHOBBVHIOtAWAYIIO55YHIOEAWAYI4OB5YHIOEAU 162 Model Aviation ZO NA MVVO famous line hobby sews Razor #200 Universal #500 Classic R/C ScaleLAK5 ~GRAT TII 0 Wing 15 26 Engines Dealers & Distributors Welcomed Phone 703 273 9593 FLYLINE MODELS INC P 0 Boa 2136 Fsrfs, Vrgrna 22031 U 5 Replacement Blades available dealer FAI Model Supply P0 Box 3967 Torrance CA 90610
