AFTER several requests information adapting available kits real competition machines will present following data Sig Chipmunk Top Flite Gieseke Nobler Next month Ill continue some other kits Sig Chipmunk can devilishly compet itive machine has hands David Fitzgerald has won four National titles basically stick kit few modifications Start looking wood David says substitute engine mounts way Out end cowl better mounting plastic cowl Replace 1/16 plywood doublers 1/32 use Contest light balsa bottom planking fuselage use hard wood mounts bellcrank platform Another big item David suggests making top block piece front back has made mold piece entire top block using 3/32 balsa block solid block top greatly reduces flexing ofthe fuse lage evidently David considered problem Tom Dixon Stilares fame good builder suggests using -inch thick stabilizer efficiency better balance Jack Sheeks probably prolific builder stuntdom also suggests substituting -in stab -in elevator Randy Hancock tank builder sug gests substituting better wood flaps making wooden cowl wheel pants Regarding wing David says Plank leading edge way center put additional section planking over center section giving two thicknesses 1/16 center section near leading edge wing Also relocate gear blocks Move back up against lower spar move outboard block up against R-2 replacce balsa doublers 1/16 plywood use R-2 R-3 Make additional 1/16 ply false rib outboard end gear block between R-3 R-4 Also kit uses three wing-tip ribs use five because covers easily also decrease size outboard flap using stock size Dixon Sheeks both recom mend using hollowed out solid-block tips Dixon also says inboard wing panel long recommends building no inch longer outboard panel Regarding changing stock dimensions David says considering increasing span stab next time turn Tom Dixon suggests er tail moment Jack Sheeks suggests lengthening span stabil izer four inches David also suggests cutting fuselage ex actly fit particular engine use will need cut bulkheads ahead wing order narrow fuselage David has also shimmed engine better consistency during inverted flight However project should wait until see engine-tank setup works David uses Max 35 engine continued page 120 January1980 41 B MA 1979 control-line scholarship winner Dan McClellan age 15 Burlingame CA pictured holding Sig Chipmunk Max 35 Contest put Boeing Management Association d IrohasKa beautifully decorated Luxus Foam-wing Max 40 FSR-powered ship weighs 88 ounces finished Sig paint Phil Granderson 50-in wing stunter Lincoln Ship has foam wing powered Max 40 FSR CL Combat/JohnSOn continued page 39 could project true four-foot radius loop living room wall Just remember let first will authority Rich Lopez three Cox engines set up Roger Theobald ran San Diego also Team Trials Roger used Rossi pistons rather failure-prone Cox item Ive seen several Cox pistons lose crown including does little performance faith reliability have Cox want Rossi piston should able get lots speed fliers Goodyear boys Doesnt matter its slightly burned down since oversize can made fit Cox fit desire Also talked Ron Young about Cox engine service Rons engines have very successful Quarter Midget COMPLETE PLANS WING CORE FIBERGLAS FUSELAGE PLYWOOD WING SHEETING hes looking chance break combat market used Rons motors AMA Nationals ran very well 20% nitro although would have preferred 50% ditto Theobalds engine fast Foxes use heavy load nitro skyrocket ing cost nitro Im wondering isnt counter-productive promoting nitro guzzlers Under category things try Id like suggest next Nationals fly either full double eliminations least first-round losers bracket FM know lot guys came long way lose round first-round winners will have break action losers want fly other winners going second round win just like guys won first match Just remember half contestants get flight under current rules Try AMA optional matching system local meets let feelings known before next years Nats Rules interpretations MACA committee has formed develop rules interpretations used supplement official AMA rules Currently interpretation rules directly proportional number entrants Often spirit rule overlooked technicality someones downfall Rules designed promote safe fair competition means disqualify someone give unfair advantage As example look rule requiring level flight second plane down safety right Ive seen people DQd because took off crosswind poor launch maneuvered save plane second pilot still ground no intention DQd pilot get good position Another thing timer/stopwatch error about reflight match within three five points lot gray areas need cleared up committee Just think have possible situation wired someone comes along new very competent pilot reasoned rule about lap get inside pilots circle meant lap around circle pilot Never thought before figure Im ahead points may never complete lap around pilots circle since opposing pilot allowed attack until get circle hell never able get cut Well could have worked way event director reasoned same way still someone out hasnt joined MACA let put plug Send $600 MACA Treasurer Jordan Segal 8314 West Oak Ave Niles IL 60648 MACA News letter has taken old Competition Newslet ter format Pictures too Charlie Johnson 3716 Ingraham St San Diego CA 92109 CL Aerobatics/Paul continued page 41 muffler pressure uniflow fliers strongiy recommended adjustable leadouts adjustable tip-weight box Tom said Id suggest completely redoing fuselage/cowl rear former wing forward like first Chipmunk kit Jim Van Laos plans Throw away plastic cowl build wooden cowl like other stunter Tom also insists kit rudder near scale shape refers builder RC kits plans have appeared magazines use cowl kit builders would probably better off doing first project David suggests enlarge holes front additional cooling 79 Nats experiencing engine heating problems Randy Hancock strongiy suggests building front fuselage can use remov able tank writer agrees completely just makes good sense have removable tank since bound times want work tank substitute another have back issues magazines available Jack Sheeks kit review Chipmunk Flying Models August 1974 p 28 modified kit calling Squirrel Flying Models April 1976 p 40 used ST 46 Utilizing some ideas importantly building straight wing will give very competitive plane Now switching planes manufacturers lets look Nobler kit Gieseke Nobler now known Firstly may want refer 120 Model Aviation Basic Kit Consists Following Components Squire$43OU Featured R/C SPORTSMAN Jan 77 Saracen$3400 Featured RCM April 19763 Featured MODEL AVIATIOF Winterhawk Featured MODEL AVIA Hotrock400 Featured MODEL AVIATION Nov 77 Simitar 540$5995 ceatured RCM Oct 1978 FOAM BLOCK lb density 40 X 12 X6 $1000 CORE FILM WING SHEETING TAPE comes 1% X 60 yd roll $895 $189IPkg K&B 40 379 19216 Calvert Street isiLL EVANS R/C AIRCRAFT ResedaCA 91335 213344-6391 ,, mdnaw 2nd Bob Burch Chicago i sj rhoto DUO writers two full columns Gieseke Nobler checked Bob Gieseke before publication appeared Model vi ation December 1976 January 1977 Lets remember Bob has built bakers dozen airplanes has used wingspans 48 53 74 plane used Nationals FAI tryouts supposed have 525-in span Now lets face Id bet wing spans would fly just great average stunt flier especially someone going rely kit airplane first place So just build stock kit plan Remember will probably need fourounce tank todays engines make removable tank compartment can adjust engine fuel Bob doesnt like remov able tanks whole lot other great fliers novice certainly good idea Tom Dixon has completed couple very good Noblers-Gieseke Noblers has utilized Bobs plans ideas Tom says start out may want substitute fuselage sides flaps wing planking new fuselage sides would made notches formers As far wing goes build plans Tom says make trailing edge cap i x 2 stock trim after TE planking stalled supposed make easier keep trailing edge straight Make flaps straight stock Also make hollowed block tips Tom also advises utilizing 1/32 ply doublers around trailing edge wing fuselage sides Speaking strength Tom says replace sheeted top front fuselage sheet spinner cockpit hollow will help much absorbing vibration stress says Tom also advises using 8-in Sig canopy cut fit Tom also suggests changing cowling sepa ration line substituting fuselage sides straight separation line middle spinner point approximately five inches nose ring makes tank muffler installation easier Tom states best Nobler ever built stock dimensions except foam wing squared-otT tips 505 span Bob Gieseke assures everyone uses exact tail moment arm shown plans Using new Top Flite kit has mod ified Gieseke make like variation again building straight wing novice should able come up very competi tive plane Next month well take up some kits market can used stunt information stunt PAMPA write Wynn Paul 1640 Maywick Dr Lexing ton KY 40504 FF Old Timers/Haught continued page 52 laurels Art considering book Minia ture Race Cars Racing Engines col lection engine direction sheets originally supplied new engine interests let Art know little encouragement may get job done Odds N Ends interesting aspects attending contests national scope opportunity see visit few legendary modelers have read about Such gentleman Irwin Ohisson Irwin visited 79 SAM Champs Salt Lake City contestants pleasure asking Irwin questions about good old days asked January1980 121 Serious model builders have reading MODEL AIRPLANE NEWS fifty years Theres good reason MODEL AIRPLANE NEWS original model airplane magazine 50 years continued complete infor mative model magazine market feature construction articles Radio Control planes cars sailboats powerboats plus full coverage Free Flight Control Line addition magazine carry in-depth Engine Review month MODEL AIRPLANE NEWSSUBSCRIPTION PRICES 837 Post Roadi year $1400 Darien CT 06820Canada add $100 other countries add $275 IPayment trom countries must US tunds Name Address ___________________________________________________________ [v32][b114613405200]]____________________________________________________________[v32][b148313455200]]I CityStateZip Pve enclosed check money order US funds ONLY MasterCharge/VisaNumber______________________ Expiration dateSignature INew subscription processing normally takes 6 8 weeks L [v32][b10815500600]] Subscribe Now $1400 H0 H OLD TIMER KITS Pu 0 IV Seni--Kilo Ri 1S41 Ployboy Sr Ide 1938 Clipper 51K C 1940 So Long Aireeift 1940 Reoger IStegon 930 Kordi Wokelield Plons P & 6 Kits 5455 So Long 5300 Riinger 5355 Kordo $250 Sehoiid Cnnne Kiln Rib nod Poinici Pn, net 640 Bociord Bonilislielt Konefo 72 Spon $2000 1938 Plnoingo Jiiscn pen $2850 liris Atndils K fni 2 cooloen FF10 C 1938 Slereoiy Scientific 45 Spon52655 540 Pontier Peerless 46 Open$2795 Skein ttodeln 5 cpico FF1Fell K 1S46 BoceoI Sonlishell Konefenl30 5100$895 194 Reqoest ESling 30 Spon$995 1935 Miss Aoerjci Scientific 30Open$995 1930 Mercury Scientific 36 Spin$1995 l940 Ringnr Stegno 3S Spoi$1095 RUBBER POBEREI3_AND GlIDER 0100 FlIGHT KITS Eiiglel delco 10 Spen Embryo Ruber $420 Theroic 30 delco LI Ton Glider 31 SIen $409 Slonocoupe icii Sleiling Inn Peenuls Boo $396 Cersoir core Sterling too Peinots (los $350 Peode S/N Sndcs 1 sbier C liss 3) 97 tO GAS POIVERED 05EV IT AND S/C KITS Super Sniffer SlidnesI pili 949 FL 51340 Mini-Belt Peck 29 Spin 621 u 504 t C 01340 ACCESS73StLS \ND PARTS Red Rubber 004 BK t24 7 1 lb9135 TeenIer Air Iihees 2 314 94 51/pr 3 $4 51/pr 3 t /2 96 IS/pr 4 /2 97 do/pr Au Pimp OS Men IS- 25 STI Needle Vitee Asseeil4y Siibiie fcr ciny od lisle engines repicreiciit NV $235 ItbClBICN 53 Nfl MS AN) KITS Aslin 65 iils nil Nvteei - 05001 St / I) ii S ii Iti cii Syscii $98 96 1iep lciliiitioe tee Coil iii (15 9steeis 82246 steo ISIs bc rotimi 5oloi Ciiiit en 93396 Vnie SloiioCiiOle Asltn hg-SI isiS Astre 15 olIn fiiei Systeni 989 99 $lieciil Coin lci'Bntl tiii 572 9 d SI)) iii Icst rsiibgiie ceiy Siippiii g ini iuidliii6 il ii sii icr oiti Iji lii 815 (6 iii St 5) lint iic iriiiiilisc 8201 40 66 iiil S ttler 1 9 iii 660 60 ilil 9 5) iiiil nec 556 99 ilil 33 69 Hobby Horn C,li ii Ii essies iii 1 'hobby speciallies' liii Stir S es Ii on 3000 Msiv uiIi C iceS S isi / Seal Beach Ca $5070 Ic iii CDI 716 090- 6223
Edition: Model Aviation - 1980/01
Page Numbers: 41, 120, 121
AFTER several requests information adapting available kits real competition machines will present following data Sig Chipmunk Top Flite Gieseke Nobler Next month Ill continue some other kits Sig Chipmunk can devilishly compet itive machine has hands David Fitzgerald has won four National titles basically stick kit few modifications Start looking wood David says substitute engine mounts way Out end cowl better mounting plastic cowl Replace 1/16 plywood doublers 1/32 use Contest light balsa bottom planking fuselage use hard wood mounts bellcrank platform Another big item David suggests making top block piece front back has made mold piece entire top block using 3/32 balsa block solid block top greatly reduces flexing ofthe fuse lage evidently David considered problem Tom Dixon Stilares fame good builder suggests using -inch thick stabilizer efficiency better balance Jack Sheeks probably prolific builder stuntdom also suggests substituting -in stab -in elevator Randy Hancock tank builder sug gests substituting better wood flaps making wooden cowl wheel pants Regarding wing David says Plank leading edge way center put additional section planking over center section giving two thicknesses 1/16 center section near leading edge wing Also relocate gear blocks Move back up against lower spar move outboard block up against R-2 replacce balsa doublers 1/16 plywood use R-2 R-3 Make additional 1/16 ply false rib outboard end gear block between R-3 R-4 Also kit uses three wing-tip ribs use five because covers easily also decrease size outboard flap using stock size Dixon Sheeks both recom mend using hollowed out solid-block tips Dixon also says inboard wing panel long recommends building no inch longer outboard panel Regarding changing stock dimensions David says considering increasing span stab next time turn Tom Dixon suggests er tail moment Jack Sheeks suggests lengthening span stabil izer four inches David also suggests cutting fuselage ex actly fit particular engine use will need cut bulkheads ahead wing order narrow fuselage David has also shimmed engine better consistency during inverted flight However project should wait until see engine-tank setup works David uses Max 35 engine continued page 120 January1980 41 B MA 1979 control-line scholarship winner Dan McClellan age 15 Burlingame CA pictured holding Sig Chipmunk Max 35 Contest put Boeing Management Association d IrohasKa beautifully decorated Luxus Foam-wing Max 40 FSR-powered ship weighs 88 ounces finished Sig paint Phil Granderson 50-in wing stunter Lincoln Ship has foam wing powered Max 40 FSR CL Combat/JohnSOn continued page 39 could project true four-foot radius loop living room wall Just remember let first will authority Rich Lopez three Cox engines set up Roger Theobald ran San Diego also Team Trials Roger used Rossi pistons rather failure-prone Cox item Ive seen several Cox pistons lose crown including does little performance faith reliability have Cox want Rossi piston should able get lots speed fliers Goodyear boys Doesnt matter its slightly burned down since oversize can made fit Cox fit desire Also talked Ron Young about Cox engine service Rons engines have very successful Quarter Midget COMPLETE PLANS WING CORE FIBERGLAS FUSELAGE PLYWOOD WING SHEETING hes looking chance break combat market used Rons motors AMA Nationals ran very well 20% nitro although would have preferred 50% ditto Theobalds engine fast Foxes use heavy load nitro skyrocket ing cost nitro Im wondering isnt counter-productive promoting nitro guzzlers Under category things try Id like suggest next Nationals fly either full double eliminations least first-round losers bracket FM know lot guys came long way lose round first-round winners will have break action losers want fly other winners going second round win just like guys won first match Just remember half contestants get flight under current rules Try AMA optional matching system local meets let feelings known before next years Nats Rules interpretations MACA committee has formed develop rules interpretations used supplement official AMA rules Currently interpretation rules directly proportional number entrants Often spirit rule overlooked technicality someones downfall Rules designed promote safe fair competition means disqualify someone give unfair advantage As example look rule requiring level flight second plane down safety right Ive seen people DQd because took off crosswind poor launch maneuvered save plane second pilot still ground no intention DQd pilot get good position Another thing timer/stopwatch error about reflight match within three five points lot gray areas need cleared up committee Just think have possible situation wired someone comes along new very competent pilot reasoned rule about lap get inside pilots circle meant lap around circle pilot Never thought before figure Im ahead points may never complete lap around pilots circle since opposing pilot allowed attack until get circle hell never able get cut Well could have worked way event director reasoned same way still someone out hasnt joined MACA let put plug Send $600 MACA Treasurer Jordan Segal 8314 West Oak Ave Niles IL 60648 MACA News letter has taken old Competition Newslet ter format Pictures too Charlie Johnson 3716 Ingraham St San Diego CA 92109 CL Aerobatics/Paul continued page 41 muffler pressure uniflow fliers strongiy recommended adjustable leadouts adjustable tip-weight box Tom said Id suggest completely redoing fuselage/cowl rear former wing forward like first Chipmunk kit Jim Van Laos plans Throw away plastic cowl build wooden cowl like other stunter Tom also insists kit rudder near scale shape refers builder RC kits plans have appeared magazines use cowl kit builders would probably better off doing first project David suggests enlarge holes front additional cooling 79 Nats experiencing engine heating problems Randy Hancock strongiy suggests building front fuselage can use remov able tank writer agrees completely just makes good sense have removable tank since bound times want work tank substitute another have back issues magazines available Jack Sheeks kit review Chipmunk Flying Models August 1974 p 28 modified kit calling Squirrel Flying Models April 1976 p 40 used ST 46 Utilizing some ideas importantly building straight wing will give very competitive plane Now switching planes manufacturers lets look Nobler kit Gieseke Nobler now known Firstly may want refer 120 Model Aviation Basic Kit Consists Following Components Squire$43OU Featured R/C SPORTSMAN Jan 77 Saracen$3400 Featured RCM April 19763 Featured MODEL AVIATIOF Winterhawk Featured MODEL AVIA Hotrock400 Featured MODEL AVIATION Nov 77 Simitar 540$5995 ceatured RCM Oct 1978 FOAM BLOCK lb density 40 X 12 X6 $1000 CORE FILM WING SHEETING TAPE comes 1% X 60 yd roll $895 $189IPkg K&B 40 379 19216 Calvert Street isiLL EVANS R/C AIRCRAFT ResedaCA 91335 213344-6391 ,, mdnaw 2nd Bob Burch Chicago i sj rhoto DUO writers two full columns Gieseke Nobler checked Bob Gieseke before publication appeared Model vi ation December 1976 January 1977 Lets remember Bob has built bakers dozen airplanes has used wingspans 48 53 74 plane used Nationals FAI tryouts supposed have 525-in span Now lets face Id bet wing spans would fly just great average stunt flier especially someone going rely kit airplane first place So just build stock kit plan Remember will probably need fourounce tank todays engines make removable tank compartment can adjust engine fuel Bob doesnt like remov able tanks whole lot other great fliers novice certainly good idea Tom Dixon has completed couple very good Noblers-Gieseke Noblers has utilized Bobs plans ideas Tom says start out may want substitute fuselage sides flaps wing planking new fuselage sides would made notches formers As far wing goes build plans Tom says make trailing edge cap i x 2 stock trim after TE planking stalled supposed make easier keep trailing edge straight Make flaps straight stock Also make hollowed block tips Tom also advises utilizing 1/32 ply doublers around trailing edge wing fuselage sides Speaking strength Tom says replace sheeted top front fuselage sheet spinner cockpit hollow will help much absorbing vibration stress says Tom also advises using 8-in Sig canopy cut fit Tom also suggests changing cowling sepa ration line substituting fuselage sides straight separation line middle spinner point approximately five inches nose ring makes tank muffler installation easier Tom states best Nobler ever built stock dimensions except foam wing squared-otT tips 505 span Bob Gieseke assures everyone uses exact tail moment arm shown plans Using new Top Flite kit has mod ified Gieseke make like variation again building straight wing novice should able come up very competi tive plane Next month well take up some kits market can used stunt information stunt PAMPA write Wynn Paul 1640 Maywick Dr Lexing ton KY 40504 FF Old Timers/Haught continued page 52 laurels Art considering book Minia ture Race Cars Racing Engines col lection engine direction sheets originally supplied new engine interests let Art know little encouragement may get job done Odds N Ends interesting aspects attending contests national scope opportunity see visit few legendary modelers have read about Such gentleman Irwin Ohisson Irwin visited 79 SAM Champs Salt Lake City contestants pleasure asking Irwin questions about good old days asked January1980 121 Serious model builders have reading MODEL AIRPLANE NEWS fifty years Theres good reason MODEL AIRPLANE NEWS original model airplane magazine 50 years continued complete infor mative model magazine market feature construction articles Radio Control planes cars sailboats powerboats plus full coverage Free Flight Control Line addition magazine carry in-depth Engine Review month MODEL AIRPLANE NEWSSUBSCRIPTION PRICES 837 Post Roadi year $1400 Darien CT 06820Canada add $100 other countries add $275 IPayment trom countries must US tunds Name Address ___________________________________________________________ [v32][b114613405200]]____________________________________________________________[v32][b148313455200]]I CityStateZip Pve enclosed check money order US funds ONLY MasterCharge/VisaNumber______________________ Expiration dateSignature INew subscription processing normally takes 6 8 weeks L [v32][b10815500600]] Subscribe Now $1400 H0 H OLD TIMER KITS Pu 0 IV Seni--Kilo Ri 1S41 Ployboy Sr Ide 1938 Clipper 51K C 1940 So Long Aireeift 1940 Reoger IStegon 930 Kordi Wokelield Plons P & 6 Kits 5455 So Long 5300 Riinger 5355 Kordo $250 Sehoiid Cnnne Kiln Rib nod Poinici Pn, net 640 Bociord Bonilislielt Konefo 72 Spon $2000 1938 Plnoingo Jiiscn pen $2850 liris Atndils K fni 2 cooloen FF10 C 1938 Slereoiy Scientific 45 Spon52655 540 Pontier Peerless 46 Open$2795 Skein ttodeln 5 cpico FF1Fell K 1S46 BoceoI Sonlishell Konefenl30 5100$895 194 Reqoest ESling 30 Spon$995 1935 Miss Aoerjci Scientific 30Open$995 1930 Mercury Scientific 36 Spin$1995 l940 Ringnr Stegno 3S Spoi$1095 RUBBER POBEREI3_AND GlIDER 0100 FlIGHT KITS Eiiglel delco 10 Spen Embryo Ruber $420 Theroic 30 delco LI Ton Glider 31 SIen $409 Slonocoupe icii Sleiling Inn Peenuls Boo $396 Cersoir core Sterling too Peinots (los $350 Peode S/N Sndcs 1 sbier C liss 3) 97 tO GAS POIVERED 05EV IT AND S/C KITS Super Sniffer SlidnesI pili 949 FL 51340 Mini-Belt Peck 29 Spin 621 u 504 t C 01340 ACCESS73StLS \ND PARTS Red Rubber 004 BK t24 7 1 lb9135 TeenIer Air Iihees 2 314 94 51/pr 3 $4 51/pr 3 t /2 96 IS/pr 4 /2 97 do/pr Au Pimp OS Men IS- 25 STI Needle Vitee Asseeil4y Siibiie fcr ciny od lisle engines repicreiciit NV $235 ItbClBICN 53 Nfl MS AN) KITS Aslin 65 iils nil Nvteei - 05001 St / I) ii S ii Iti cii Syscii $98 96 1iep lciliiitioe tee Coil iii (15 9steeis 82246 steo ISIs bc rotimi 5oloi Ciiiit en 93396 Vnie SloiioCiiOle Asltn hg-SI isiS Astre 15 olIn fiiei Systeni 989 99 $lieciil Coin lci'Bntl tiii 572 9 d SI)) iii Icst rsiibgiie ceiy Siippiii g ini iuidliii6 il ii sii icr oiti Iji lii 815 (6 iii St 5) lint iic iriiiiilisc 8201 40 66 iiil S ttler 1 9 iii 660 60 ilil 9 5) iiiil nec 556 99 ilil 33 69 Hobby Horn C,li ii Ii essies iii 1 'hobby speciallies' liii Stir S es Ii on 3000 Msiv uiIi C iceS S isi / Seal Beach Ca $5070 Ic iii CDI 716 090- 6223
Edition: Model Aviation - 1980/01
Page Numbers: 41, 120, 121
AFTER several requests information adapting available kits real competition machines will present following data Sig Chipmunk Top Flite Gieseke Nobler Next month Ill continue some other kits Sig Chipmunk can devilishly compet itive machine has hands David Fitzgerald has won four National titles basically stick kit few modifications Start looking wood David says substitute engine mounts way Out end cowl better mounting plastic cowl Replace 1/16 plywood doublers 1/32 use Contest light balsa bottom planking fuselage use hard wood mounts bellcrank platform Another big item David suggests making top block piece front back has made mold piece entire top block using 3/32 balsa block solid block top greatly reduces flexing ofthe fuse lage evidently David considered problem Tom Dixon Stilares fame good builder suggests using -inch thick stabilizer efficiency better balance Jack Sheeks probably prolific builder stuntdom also suggests substituting -in stab -in elevator Randy Hancock tank builder sug gests substituting better wood flaps making wooden cowl wheel pants Regarding wing David says Plank leading edge way center put additional section planking over center section giving two thicknesses 1/16 center section near leading edge wing Also relocate gear blocks Move back up against lower spar move outboard block up against R-2 replacce balsa doublers 1/16 plywood use R-2 R-3 Make additional 1/16 ply false rib outboard end gear block between R-3 R-4 Also kit uses three wing-tip ribs use five because covers easily also decrease size outboard flap using stock size Dixon Sheeks both recom mend using hollowed out solid-block tips Dixon also says inboard wing panel long recommends building no inch longer outboard panel Regarding changing stock dimensions David says considering increasing span stab next time turn Tom Dixon suggests er tail moment Jack Sheeks suggests lengthening span stabil izer four inches David also suggests cutting fuselage ex actly fit particular engine use will need cut bulkheads ahead wing order narrow fuselage David has also shimmed engine better consistency during inverted flight However project should wait until see engine-tank setup works David uses Max 35 engine continued page 120 January1980 41 B MA 1979 control-line scholarship winner Dan McClellan age 15 Burlingame CA pictured holding Sig Chipmunk Max 35 Contest put Boeing Management Association d IrohasKa beautifully decorated Luxus Foam-wing Max 40 FSR-powered ship weighs 88 ounces finished Sig paint Phil Granderson 50-in wing stunter Lincoln Ship has foam wing powered Max 40 FSR CL Combat/JohnSOn continued page 39 could project true four-foot radius loop living room wall Just remember let first will authority Rich Lopez three Cox engines set up Roger Theobald ran San Diego also Team Trials Roger used Rossi pistons rather failure-prone Cox item Ive seen several Cox pistons lose crown including does little performance faith reliability have Cox want Rossi piston should able get lots speed fliers Goodyear boys Doesnt matter its slightly burned down since oversize can made fit Cox fit desire Also talked Ron Young about Cox engine service Rons engines have very successful Quarter Midget COMPLETE PLANS WING CORE FIBERGLAS FUSELAGE PLYWOOD WING SHEETING hes looking chance break combat market used Rons motors AMA Nationals ran very well 20% nitro although would have preferred 50% ditto Theobalds engine fast Foxes use heavy load nitro skyrocket ing cost nitro Im wondering isnt counter-productive promoting nitro guzzlers Under category things try Id like suggest next Nationals fly either full double eliminations least first-round losers bracket FM know lot guys came long way lose round first-round winners will have break action losers want fly other winners going second round win just like guys won first match Just remember half contestants get flight under current rules Try AMA optional matching system local meets let feelings known before next years Nats Rules interpretations MACA committee has formed develop rules interpretations used supplement official AMA rules Currently interpretation rules directly proportional number entrants Often spirit rule overlooked technicality someones downfall Rules designed promote safe fair competition means disqualify someone give unfair advantage As example look rule requiring level flight second plane down safety right Ive seen people DQd because took off crosswind poor launch maneuvered save plane second pilot still ground no intention DQd pilot get good position Another thing timer/stopwatch error about reflight match within three five points lot gray areas need cleared up committee Just think have possible situation wired someone comes along new very competent pilot reasoned rule about lap get inside pilots circle meant lap around circle pilot Never thought before figure Im ahead points may never complete lap around pilots circle since opposing pilot allowed attack until get circle hell never able get cut Well could have worked way event director reasoned same way still someone out hasnt joined MACA let put plug Send $600 MACA Treasurer Jordan Segal 8314 West Oak Ave Niles IL 60648 MACA News letter has taken old Competition Newslet ter format Pictures too Charlie Johnson 3716 Ingraham St San Diego CA 92109 CL Aerobatics/Paul continued page 41 muffler pressure uniflow fliers strongiy recommended adjustable leadouts adjustable tip-weight box Tom said Id suggest completely redoing fuselage/cowl rear former wing forward like first Chipmunk kit Jim Van Laos plans Throw away plastic cowl build wooden cowl like other stunter Tom also insists kit rudder near scale shape refers builder RC kits plans have appeared magazines use cowl kit builders would probably better off doing first project David suggests enlarge holes front additional cooling 79 Nats experiencing engine heating problems Randy Hancock strongiy suggests building front fuselage can use remov able tank writer agrees completely just makes good sense have removable tank since bound times want work tank substitute another have back issues magazines available Jack Sheeks kit review Chipmunk Flying Models August 1974 p 28 modified kit calling Squirrel Flying Models April 1976 p 40 used ST 46 Utilizing some ideas importantly building straight wing will give very competitive plane Now switching planes manufacturers lets look Nobler kit Gieseke Nobler now known Firstly may want refer 120 Model Aviation Basic Kit Consists Following Components Squire$43OU Featured R/C SPORTSMAN Jan 77 Saracen$3400 Featured RCM April 19763 Featured MODEL AVIATIOF Winterhawk Featured MODEL AVIA Hotrock400 Featured MODEL AVIATION Nov 77 Simitar 540$5995 ceatured RCM Oct 1978 FOAM BLOCK lb density 40 X 12 X6 $1000 CORE FILM WING SHEETING TAPE comes 1% X 60 yd roll $895 $189IPkg K&B 40 379 19216 Calvert Street isiLL EVANS R/C AIRCRAFT ResedaCA 91335 213344-6391 ,, mdnaw 2nd Bob Burch Chicago i sj rhoto DUO writers two full columns Gieseke Nobler checked Bob Gieseke before publication appeared Model vi ation December 1976 January 1977 Lets remember Bob has built bakers dozen airplanes has used wingspans 48 53 74 plane used Nationals FAI tryouts supposed have 525-in span Now lets face Id bet wing spans would fly just great average stunt flier especially someone going rely kit airplane first place So just build stock kit plan Remember will probably need fourounce tank todays engines make removable tank compartment can adjust engine fuel Bob doesnt like remov able tanks whole lot other great fliers novice certainly good idea Tom Dixon has completed couple very good Noblers-Gieseke Noblers has utilized Bobs plans ideas Tom says start out may want substitute fuselage sides flaps wing planking new fuselage sides would made notches formers As far wing goes build plans Tom says make trailing edge cap i x 2 stock trim after TE planking stalled supposed make easier keep trailing edge straight Make flaps straight stock Also make hollowed block tips Tom also advises utilizing 1/32 ply doublers around trailing edge wing fuselage sides Speaking strength Tom says replace sheeted top front fuselage sheet spinner cockpit hollow will help much absorbing vibration stress says Tom also advises using 8-in Sig canopy cut fit Tom also suggests changing cowling sepa ration line substituting fuselage sides straight separation line middle spinner point approximately five inches nose ring makes tank muffler installation easier Tom states best Nobler ever built stock dimensions except foam wing squared-otT tips 505 span Bob Gieseke assures everyone uses exact tail moment arm shown plans Using new Top Flite kit has mod ified Gieseke make like variation again building straight wing novice should able come up very competi tive plane Next month well take up some kits market can used stunt information stunt PAMPA write Wynn Paul 1640 Maywick Dr Lexing ton KY 40504 FF Old Timers/Haught continued page 52 laurels Art considering book Minia ture Race Cars Racing Engines col lection engine direction sheets originally supplied new engine interests let Art know little encouragement may get job done Odds N Ends interesting aspects attending contests national scope opportunity see visit few legendary modelers have read about Such gentleman Irwin Ohisson Irwin visited 79 SAM Champs Salt Lake City contestants pleasure asking Irwin questions about good old days asked January1980 121 Serious model builders have reading MODEL AIRPLANE NEWS fifty years Theres good reason MODEL AIRPLANE NEWS original model airplane magazine 50 years continued complete infor mative model magazine market feature construction articles Radio Control planes cars sailboats powerboats plus full coverage Free Flight Control Line addition magazine carry in-depth Engine Review month MODEL AIRPLANE NEWSSUBSCRIPTION PRICES 837 Post Roadi year $1400 Darien CT 06820Canada add $100 other countries add $275 IPayment trom countries must US tunds Name Address ___________________________________________________________ [v32][b114613405200]]____________________________________________________________[v32][b148313455200]]I CityStateZip Pve enclosed check money order US funds ONLY MasterCharge/VisaNumber______________________ Expiration dateSignature INew subscription processing normally takes 6 8 weeks L [v32][b10815500600]] Subscribe Now $1400 H0 H OLD TIMER KITS Pu 0 IV Seni--Kilo Ri 1S41 Ployboy Sr Ide 1938 Clipper 51K C 1940 So Long Aireeift 1940 Reoger IStegon 930 Kordi Wokelield Plons P & 6 Kits 5455 So Long 5300 Riinger 5355 Kordo $250 Sehoiid Cnnne Kiln Rib nod Poinici Pn, net 640 Bociord Bonilislielt Konefo 72 Spon $2000 1938 Plnoingo Jiiscn pen $2850 liris Atndils K fni 2 cooloen FF10 C 1938 Slereoiy Scientific 45 Spon52655 540 Pontier Peerless 46 Open$2795 Skein ttodeln 5 cpico FF1Fell K 1S46 BoceoI Sonlishell Konefenl30 5100$895 194 Reqoest ESling 30 Spon$995 1935 Miss Aoerjci Scientific 30Open$995 1930 Mercury Scientific 36 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