Racing 0 Bill Lee IF IT SEEMS weve before have Its rules proposal time again know still isnt flying season yet areas hut should thinking about new rules will affect flying years ahead would hope rules fairly well order now although am too aware now way please everybody time also know too well couple racing rules going please nobody pass couple thoughts kicked around during recent rules cycles thoughts still pertinent now new rules out few people writing have chance see what passed Con trol Line Contest Board First still fear lack safety Scale Racing event performance level Goodyear models too high flying 52-ft lines 012 diameter Im surprised havent seen problems arise Goodyear have suggest lengthen lines 60 feet Goodyear would help couple areas first would slow models down little bitnot actual speed rotational speed well Doing would ease load pilots allow three-up racing much safer manner see now Secondly would cut down centrifugal force produced giving little better safety margin 012 lines Think back Twelve 14 years ago flying Rats 015 cable lines planes very little faster cases actually slower much heavier models using Goodyear today Goodyear will allow 015 lines using cable lines just Rat did years ago Rat lines increased 018 solid safety reasons reasons go secure lines valid just valid now Certainly would like see bodys equipment obsoleted can avoided staying 012 lines merely going 60 feet would alter anybodys set-up would yield better safety margin Todays Goodyears will fly OK 60-ft 012 lines Try dont believe side benefit Continued page 9S May1978 37 Intensity strain 0 world-class I-RI i earn Hace Ins tnree pilots ror tne un vvario Lnam pionship team shown during team selection Riverside last summer R Larry Jolly has just rejoined Jay Albritton end Carl Dodge rear after making pit stop Feltham Flash~ ioodyear entry ot stewart Vviiloughby ooertuge attne iI riats mis entry low qualifying time 253 Riverside Skid shows right wing tip Japanese MUK 15 engine mounted Jed Kuslics Uoodyear racer Schnuerleported engine has twin ball bearings rear rotor rear exhaust Jed says has potential WINNERS DU-BRO KWIK-LINK tried true 141 3/16 Wspring steel Kwi k-Link Ideal control linkage No 1092each 75c DUBRO PRODUCTS INCORPORATED 480 BONNER ROAD WAUCONDA ILL 60084 charge wings listed above Stan dard price further cores templates will charged root tip templates ood must sent J K address K Custom Foam wings 10261 Janice Lynn Cypress CA 90630 tel 213 596 9053 714995 3253 last part foam wing tale tail talking Bob Hunt phone January 31 1978 said would get back business foam wings wood becomes available tends produce wings wood can used will retain high quality desires times short wood supply will supply foam cores glue plus detailed instruction booklet will tell apply skins foam Ac cording Bob balsa wood supply time low situation doesnt look get brighter information stunt PAMPA write Wynn Paul 1640 Maywick Drive Lexington KY 40504 Dont Fly Control Line Models Near Power Lines CL Racing/Lee continued page 37 change would circles racing will simpler set up since smaller Goodyear circles would eliminated Another item Ive thinking about concerns new engine rule Slow Rat As aware now new rule states engine has have pro duced original manufacturer configuration trying use Some parts excepted course major parts must produced doesnt prohibit modification ever could take engine modify its parts wasnt 35 start cant make out history rule interesting original proposal made back 1974 Slow Rat included some engine restrictions cally non Schnuerle production engines proposal published Model viation loud cries anguish So put cross proposal against own rule proposal have restrictions other size CLCB snapped up result got rules knew last two years During winter 1975-76 new rules favorably voted upon several racers began build up special engines specifically Slow Rat gen eral de-bored de-stroked Schnuerle 40s ran well enough quickly dominate event taking out fun category making serious racing event super trick engines generally available public might recall some comments made about Slow Rat Dayton Nats finals consisted trick homebuilts pre-production prototypes except lone Fox rear-exhaust 36 As result first years competition rules several changes sug gested some individuals combined Combat/Racing/Carrier Ad visory Committees proposal attempt get uniform set engine rules across three so-called slow events Slow Rat Profile Carrier Slow Combat rule proposal finally passed Slow Rat now law net effect rule eliminate lot very good competitive fliers causing much bad feeling has helped event will hurt am sorry rule ever passed CLCB cannot understand individual CLCB would vote anything straight ticket across three events proposed would rule OK event another Maybe case well vote other guys event fly Im sure well never know individual voted way did Slow Rat fliers will suffering because couple years know least area will ignore rule wont advocate action since rule will followed Nats hard compete local levels under set rules have make serious adjustments order fly Nats still pos sible solution Another solution might little long ranged fly two classes Slow Rat AMA specifications another whatever special rules might popular area proposed during last rules cycle CLCB ruled against area going fly AMA Slow Rat same event engine restrictions plain bearing no Schnuerle production engine front intake hope putting little fun back event lot competitors just dont want com pete $100 engines 120-mph speeds Slow Rat Engines solution engine rule above offered Paul Tune Nashville area Paul took time put effort build up de-bored Schnuerle4o 35 Paul started OS Max 40 put together better run ning set-ups around course new rule disadvantage So Paul did obvious thing got OS Max build engine him Through World Engines OS Max engine Paul developed will available commer cially first April price will competitive can contact Paul Box 706 Franklin TN 37964 Another engine quite competitive Slow Rat KB 58 has market since last spring engine ABC set-up front-rotor induc tion front-rotor style cer tainly popular configuration people would prefer run engine rear intake possible As turns out KB historically has built engines common dimen sions parts interchangeability standard building several variations same basic design sev eral different displacements 65-58May1978 95 DU-BRO PLATED BRASS DURA COLLARS ENOUGH STOCK SO THAT THREADS WILL NOT STRIP CAN BE RE-WORKED FOR OTHER USES LIKE HARDENED STEEL NICE IMPROVEMENT THAT HAS ALWAYS BEEN THERE STILL AVAILABLE IN SETS OF 4 COMPLETE WITH ALLEN WRENCH FOR MODELERS WHO DEMAND ONLY THE VERY BEST WHY PAY MORE AND GET KITS PLANS SSORIES 5417 ME 17 SPAN STOCK NO PP 13 KIT $425 ASK POE OUR KITS AND ACCESSORIES AT YOUR LOCAL DEALER P NOT AVAILABLE AT TOUR DEALRR ORDER DIRRCT ADD 60R POSTAGR BROWN CO-2 ENGINES ENGINES ARE IN STOCK NEW CHARGER AND 5 SIZES OP TANKS BROWN ENGINES MUST BE ORDERED DIRECT PROM PECKPOLYMERS WALNUT SCALE KITS BABY ACE$425 PSANUT SCALE KITS PIPSR J3 CUB$329 PIETENPOL$329 MILES$329 TURBULENT$329 MUSTANG$349 ZERO$349 COUGAR$349 ANDESASON$349 GIPSY MOTH$349 GANAGOBIE$349 SPORT MODEL KITS ONE NITE 28 $475 ONE MITE 16$349 STRINGLESS WONDER$249 PECK BOG$139 KITS S PLANS 0 ACCESSORIES REAL JAPANESE TISSUE-PROPS COMPLETE CATALOG 50 MANY HARD TO PIND ITEMS P 0 BOX 2498 -AMA LA MESA CALIF 92041 PHONE 7141 469-4673 o 7141 4424636 CUSTOM TUNED ENGINES I COMPETITION ACCESSORIES Cox 0491051 SpecialistsPARASOL brochure send 13e stamp Kustom Krattsmanship BrochureMODERNISTIC MODELS Box 2699 Laguna Hilts CA 92653 714 830-5162PO BOX 6974ALBUQ NM 87107 49-cc engine no exception three versions have common dimensions except diameter piston What means could use rear intake crankshaft/front end back door 65 58 case/pis ton/liner have rear rotor 58 have talked John Brodbeck K&B told rear-rotor 58 49 available special order dont expect youll see item advertised distributed through dealers since will small quantity item engine available engine manufacturer rear rotor requirement make legal AMA Slow Rat under new rule So have another engine consider next Slow Rat design 1978 National Championships will back Lake Charles during week July 30 through August 6 us live area quite excited about since Lake Charles friendliest places Nats has years schedule racing quite similar previous years exception will no Mouse Race will sit well Y2A fans history participation doesnt justify flying event year However bring along Mouses ay will flying unofficial Mouse event Tuesday same day FAI Team Race will plenty time space available Trophies will supplied al though writing Im sure will sponsor event enough interest unofficial event perhaps next year will back schedule summarize Open events will Goodyear Monday Rat Thursday Slow Rat Saturday Junior Senior events will held together Goodyear Wednesday Rat Friday morning Slow Rat Friday afternoon mentioned FAI Team Race unofficial Mouse Race Tuesday Rules Change Cycle Some people Ive talking have thinking about possibility longer cycle rules changes current two years felt present cycle period doesnt allow full impact rules felt time initial change proposal deadline has passed Adding year cycle would give competitors two items First stable rules will diminish frequent changes result obsolete equipment Second will chance fly rules longer period fore becomes too late supply needed corrections feeling out would support idea write AMA district VP. Contest Board member Let feelings known W R Lee 3522 Tamarisk Lane Mis souri City TX 77459 Laminated Props/OReilly continued page 44 shaft centered along hub After round checks rebend reposition required solder joint will almost cer tainly break dont worry will resolder easily After resoldering check again see joint didnt slip soldering Install blades hub retain wheel retainers available Carl Goldberg 3/32 wire Goldberg Sig 1/16 wire Pull both blades forward thrust position blade stops will prob ably prevent going way forward Trim blade stops until both blades 906 prop shaft Note placement hinge point behind blade centerline makes props flare higher pitch during power burst possible increase decrease flare trimming blade stops may now complete front end assembly using design choice generally use ordinary ten sioner stop such find major ity contest rubber jobs flying note caution may order flying short-nosed model has blades folded overlap wing leading edge tensioner stop will sometimes disengage yet turn tip will hang up wing lead ing edge other will hang down spoil glide trim Montreal stop usual fix problem will adapt wire hub Bob White/Hank Cole stop described Bob Meusers col umn May 76 Model Aviation may answer am trying version standard tensioner stop small 032 wire hook instead usual stop screw So far has given reliable performance would delighted receive questions comments readers article address 4760 N Battin Wichita KS 67220 FF Duration/Meuser continued page 47 ited Rubber models flown under suddendeath rules flight no-max time limit As January result recent rules change Unlimited Rubber will henceforth forevermore known Mulvihill Event pox Contest Directors magazine wri ters modelers AMA Headquarters personnel ever refer otherwise Well thats pretty long-winded way lead announcement George Perryman won Mulvi-Mulvi event King Orange Internats Mulvi hill-Trophy-winning Great Speckled Bird shown December issue first time GSB has won such contest foggy drizzly George afraid model might climb out-of-sight low-lying clouds wound about 70% maximum turns GSB landed 531 tree top Georges score followed 7-sec intervals Jim Lewis Phil Hartman respectively Phil sponsored event have other good news about Georges GSB professional ethics demands keep awhile chances good will Mulvi-Mulvi event real Memorial Day Classic Taft year provided can get out sack early enough run George allows has new design up sleeve Im sure want know about current designs enough make strong men cry 96 Model Aviation FL WIT* ~#5fR CU3 PU WIN .t WALNUT SCALE
Edition: Model Aviation - 1978/05
Page Numbers: 37, 95, 96
Racing 0 Bill Lee IF IT SEEMS weve before have Its rules proposal time again know still isnt flying season yet areas hut should thinking about new rules will affect flying years ahead would hope rules fairly well order now although am too aware now way please everybody time also know too well couple racing rules going please nobody pass couple thoughts kicked around during recent rules cycles thoughts still pertinent now new rules out few people writing have chance see what passed Con trol Line Contest Board First still fear lack safety Scale Racing event performance level Goodyear models too high flying 52-ft lines 012 diameter Im surprised havent seen problems arise Goodyear have suggest lengthen lines 60 feet Goodyear would help couple areas first would slow models down little bitnot actual speed rotational speed well Doing would ease load pilots allow three-up racing much safer manner see now Secondly would cut down centrifugal force produced giving little better safety margin 012 lines Think back Twelve 14 years ago flying Rats 015 cable lines planes very little faster cases actually slower much heavier models using Goodyear today Goodyear will allow 015 lines using cable lines just Rat did years ago Rat lines increased 018 solid safety reasons reasons go secure lines valid just valid now Certainly would like see bodys equipment obsoleted can avoided staying 012 lines merely going 60 feet would alter anybodys set-up would yield better safety margin Todays Goodyears will fly OK 60-ft 012 lines Try dont believe side benefit Continued page 9S May1978 37 Intensity strain 0 world-class I-RI i earn Hace Ins tnree pilots ror tne un vvario Lnam pionship team shown during team selection Riverside last summer R Larry Jolly has just rejoined Jay Albritton end Carl Dodge rear after making pit stop Feltham Flash~ ioodyear entry ot stewart Vviiloughby ooertuge attne iI riats mis entry low qualifying time 253 Riverside Skid shows right wing tip Japanese MUK 15 engine mounted Jed Kuslics Uoodyear racer Schnuerleported engine has twin ball bearings rear rotor rear exhaust Jed says has potential WINNERS DU-BRO KWIK-LINK tried true 141 3/16 Wspring steel Kwi k-Link Ideal control linkage No 1092each 75c DUBRO PRODUCTS INCORPORATED 480 BONNER ROAD WAUCONDA ILL 60084 charge wings listed above Stan dard price further cores templates will charged root tip templates ood must sent J K address K Custom Foam wings 10261 Janice Lynn Cypress CA 90630 tel 213 596 9053 714995 3253 last part foam wing tale tail talking Bob Hunt phone January 31 1978 said would get back business foam wings wood becomes available tends produce wings wood can used will retain high quality desires times short wood supply will supply foam cores glue plus detailed instruction booklet will tell apply skins foam Ac cording Bob balsa wood supply time low situation doesnt look get brighter information stunt PAMPA write Wynn Paul 1640 Maywick Drive Lexington KY 40504 Dont Fly Control Line Models Near Power Lines CL Racing/Lee continued page 37 change would circles racing will simpler set up since smaller Goodyear circles would eliminated Another item Ive thinking about concerns new engine rule Slow Rat As aware now new rule states engine has have pro duced original manufacturer configuration trying use Some parts excepted course major parts must produced doesnt prohibit modification ever could take engine modify its parts wasnt 35 start cant make out history rule interesting original proposal made back 1974 Slow Rat included some engine restrictions cally non Schnuerle production engines proposal published Model viation loud cries anguish So put cross proposal against own rule proposal have restrictions other size CLCB snapped up result got rules knew last two years During winter 1975-76 new rules favorably voted upon several racers began build up special engines specifically Slow Rat gen eral de-bored de-stroked Schnuerle 40s ran well enough quickly dominate event taking out fun category making serious racing event super trick engines generally available public might recall some comments made about Slow Rat Dayton Nats finals consisted trick homebuilts pre-production prototypes except lone Fox rear-exhaust 36 As result first years competition rules several changes sug gested some individuals combined Combat/Racing/Carrier Ad visory Committees proposal attempt get uniform set engine rules across three so-called slow events Slow Rat Profile Carrier Slow Combat rule proposal finally passed Slow Rat now law net effect rule eliminate lot very good competitive fliers causing much bad feeling has helped event will hurt am sorry rule ever passed CLCB cannot understand individual CLCB would vote anything straight ticket across three events proposed would rule OK event another Maybe case well vote other guys event fly Im sure well never know individual voted way did Slow Rat fliers will suffering because couple years know least area will ignore rule wont advocate action since rule will followed Nats hard compete local levels under set rules have make serious adjustments order fly Nats still pos sible solution Another solution might little long ranged fly two classes Slow Rat AMA specifications another whatever special rules might popular area proposed during last rules cycle CLCB ruled against area going fly AMA Slow Rat same event engine restrictions plain bearing no Schnuerle production engine front intake hope putting little fun back event lot competitors just dont want com pete $100 engines 120-mph speeds Slow Rat Engines solution engine rule above offered Paul Tune Nashville area Paul took time put effort build up de-bored Schnuerle4o 35 Paul started OS Max 40 put together better run ning set-ups around course new rule disadvantage So Paul did obvious thing got OS Max build engine him Through World Engines OS Max engine Paul developed will available commer cially first April price will competitive can contact Paul Box 706 Franklin TN 37964 Another engine quite competitive Slow Rat KB 58 has market since last spring engine ABC set-up front-rotor induc tion front-rotor style cer tainly popular configuration people would prefer run engine rear intake possible As turns out KB historically has built engines common dimen sions parts interchangeability standard building several variations same basic design sev eral different displacements 65-58May1978 95 DU-BRO PLATED BRASS DURA COLLARS ENOUGH STOCK SO THAT THREADS WILL NOT STRIP CAN BE RE-WORKED FOR OTHER USES LIKE HARDENED STEEL NICE IMPROVEMENT THAT HAS ALWAYS BEEN THERE STILL AVAILABLE IN SETS OF 4 COMPLETE WITH ALLEN WRENCH FOR MODELERS WHO DEMAND ONLY THE VERY BEST WHY PAY MORE AND GET KITS PLANS SSORIES 5417 ME 17 SPAN STOCK NO PP 13 KIT $425 ASK POE OUR KITS AND ACCESSORIES AT YOUR LOCAL DEALER P NOT AVAILABLE AT TOUR DEALRR ORDER DIRRCT ADD 60R POSTAGR BROWN CO-2 ENGINES ENGINES ARE IN STOCK NEW CHARGER AND 5 SIZES OP TANKS BROWN ENGINES MUST BE ORDERED DIRECT PROM PECKPOLYMERS WALNUT SCALE KITS BABY ACE$425 PSANUT SCALE KITS PIPSR J3 CUB$329 PIETENPOL$329 MILES$329 TURBULENT$329 MUSTANG$349 ZERO$349 COUGAR$349 ANDESASON$349 GIPSY MOTH$349 GANAGOBIE$349 SPORT MODEL KITS ONE NITE 28 $475 ONE MITE 16$349 STRINGLESS WONDER$249 PECK BOG$139 KITS S PLANS 0 ACCESSORIES REAL JAPANESE TISSUE-PROPS COMPLETE CATALOG 50 MANY HARD TO PIND ITEMS P 0 BOX 2498 -AMA LA MESA CALIF 92041 PHONE 7141 469-4673 o 7141 4424636 CUSTOM TUNED ENGINES I COMPETITION ACCESSORIES Cox 0491051 SpecialistsPARASOL brochure send 13e stamp Kustom Krattsmanship BrochureMODERNISTIC MODELS Box 2699 Laguna Hilts CA 92653 714 830-5162PO BOX 6974ALBUQ NM 87107 49-cc engine no exception three versions have common dimensions except diameter piston What means could use rear intake crankshaft/front end back door 65 58 case/pis ton/liner have rear rotor 58 have talked John Brodbeck K&B told rear-rotor 58 49 available special order dont expect youll see item advertised distributed through dealers since will small quantity item engine available engine manufacturer rear rotor requirement make legal AMA Slow Rat under new rule So have another engine consider next Slow Rat design 1978 National Championships will back Lake Charles during week July 30 through August 6 us live area quite excited about since Lake Charles friendliest places Nats has years schedule racing quite similar previous years exception will no Mouse Race will sit well Y2A fans history participation doesnt justify flying event year However bring along Mouses ay will flying unofficial Mouse event Tuesday same day FAI Team Race will plenty time space available Trophies will supplied al though writing Im sure will sponsor event enough interest unofficial event perhaps next year will back schedule summarize Open events will Goodyear Monday Rat Thursday Slow Rat Saturday Junior Senior events will held together Goodyear Wednesday Rat Friday morning Slow Rat Friday afternoon mentioned FAI Team Race unofficial Mouse Race Tuesday Rules Change Cycle Some people Ive talking have thinking about possibility longer cycle rules changes current two years felt present cycle period doesnt allow full impact rules felt time initial change proposal deadline has passed Adding year cycle would give competitors two items First stable rules will diminish frequent changes result obsolete equipment Second will chance fly rules longer period fore becomes too late supply needed corrections feeling out would support idea write AMA district VP. Contest Board member Let feelings known W R Lee 3522 Tamarisk Lane Mis souri City TX 77459 Laminated Props/OReilly continued page 44 shaft centered along hub After round checks rebend reposition required solder joint will almost cer tainly break dont worry will resolder easily After resoldering check again see joint didnt slip soldering Install blades hub retain wheel retainers available Carl Goldberg 3/32 wire Goldberg Sig 1/16 wire Pull both blades forward thrust position blade stops will prob ably prevent going way forward Trim blade stops until both blades 906 prop shaft Note placement hinge point behind blade centerline makes props flare higher pitch during power burst possible increase decrease flare trimming blade stops may now complete front end assembly using design choice generally use ordinary ten sioner stop such find major ity contest rubber jobs flying note caution may order flying short-nosed model has blades folded overlap wing leading edge tensioner stop will sometimes disengage yet turn tip will hang up wing lead ing edge other will hang down spoil glide trim Montreal stop usual fix problem will adapt wire hub Bob White/Hank Cole stop described Bob Meusers col umn May 76 Model Aviation may answer am trying version standard tensioner stop small 032 wire hook instead usual stop screw So far has given reliable performance would delighted receive questions comments readers article address 4760 N Battin Wichita KS 67220 FF Duration/Meuser continued page 47 ited Rubber models flown under suddendeath rules flight no-max time limit As January result recent rules change Unlimited Rubber will henceforth forevermore known Mulvihill Event pox Contest Directors magazine wri ters modelers AMA Headquarters personnel ever refer otherwise Well thats pretty long-winded way lead announcement George Perryman won Mulvi-Mulvi event King Orange Internats Mulvi hill-Trophy-winning Great Speckled Bird shown December issue first time GSB has won such contest foggy drizzly George afraid model might climb out-of-sight low-lying clouds wound about 70% maximum turns GSB landed 531 tree top Georges score followed 7-sec intervals Jim Lewis Phil Hartman respectively Phil sponsored event have other good news about Georges GSB professional ethics demands keep awhile chances good will Mulvi-Mulvi event real Memorial Day Classic Taft year provided can get out sack early enough run George allows has new design up sleeve Im sure want know about current designs enough make strong men cry 96 Model Aviation FL WIT* ~#5fR CU3 PU WIN .t WALNUT SCALE
Edition: Model Aviation - 1978/05
Page Numbers: 37, 95, 96
Racing 0 Bill Lee IF IT SEEMS weve before have Its rules proposal time again know still isnt flying season yet areas hut should thinking about new rules will affect flying years ahead would hope rules fairly well order now although am too aware now way please everybody time also know too well couple racing rules going please nobody pass couple thoughts kicked around during recent rules cycles thoughts still pertinent now new rules out few people writing have chance see what passed Con trol Line Contest Board First still fear lack safety Scale Racing event performance level Goodyear models too high flying 52-ft lines 012 diameter Im surprised havent seen problems arise Goodyear have suggest lengthen lines 60 feet Goodyear would help couple areas first would slow models down little bitnot actual speed rotational speed well Doing would ease load pilots allow three-up racing much safer manner see now Secondly would cut down centrifugal force produced giving little better safety margin 012 lines Think back Twelve 14 years ago flying Rats 015 cable lines planes very little faster cases actually slower much heavier models using Goodyear today Goodyear will allow 015 lines using cable lines just Rat did years ago Rat lines increased 018 solid safety reasons reasons go secure lines valid just valid now Certainly would like see bodys equipment obsoleted can avoided staying 012 lines merely going 60 feet would alter anybodys set-up would yield better safety margin Todays Goodyears will fly OK 60-ft 012 lines Try dont believe side benefit Continued page 9S May1978 37 Intensity strain 0 world-class I-RI i earn Hace Ins tnree pilots ror tne un vvario Lnam pionship team shown during team selection Riverside last summer R Larry Jolly has just rejoined Jay Albritton end Carl Dodge rear after making pit stop Feltham Flash~ ioodyear entry ot stewart Vviiloughby ooertuge attne iI riats mis entry low qualifying time 253 Riverside Skid shows right wing tip Japanese MUK 15 engine mounted Jed Kuslics Uoodyear racer Schnuerleported engine has twin ball bearings rear rotor rear exhaust Jed says has potential WINNERS DU-BRO KWIK-LINK tried true 141 3/16 Wspring steel Kwi k-Link Ideal control linkage No 1092each 75c DUBRO PRODUCTS INCORPORATED 480 BONNER ROAD WAUCONDA ILL 60084 charge wings listed above Stan dard price further cores templates will charged root tip templates ood must sent J K address K Custom Foam wings 10261 Janice Lynn Cypress CA 90630 tel 213 596 9053 714995 3253 last part foam wing tale tail talking Bob Hunt phone January 31 1978 said would get back business foam wings wood becomes available tends produce wings wood can used will retain high quality desires times short wood supply will supply foam cores glue plus detailed instruction booklet will tell apply skins foam Ac cording Bob balsa wood supply time low situation doesnt look get brighter information stunt PAMPA write Wynn Paul 1640 Maywick Drive Lexington KY 40504 Dont Fly Control Line Models Near Power Lines CL Racing/Lee continued page 37 change would circles racing will simpler set up since smaller Goodyear circles would eliminated Another item Ive thinking about concerns new engine rule Slow Rat As aware now new rule states engine has have pro duced original manufacturer configuration trying use Some parts excepted course major parts must produced doesnt prohibit modification ever could take engine modify its parts wasnt 35 start cant make out history rule interesting original proposal made back 1974 Slow Rat included some engine restrictions cally non Schnuerle production engines proposal published Model viation loud cries anguish So put cross proposal against own rule proposal have restrictions other size CLCB snapped up result got rules knew last two years During winter 1975-76 new rules favorably voted upon several racers began build up special engines specifically Slow Rat gen eral de-bored de-stroked Schnuerle 40s ran well enough quickly dominate event taking out fun category making serious racing event super trick engines generally available public might recall some comments made about Slow Rat Dayton Nats finals consisted trick homebuilts pre-production prototypes except lone Fox rear-exhaust 36 As result first years competition rules several changes sug gested some individuals combined Combat/Racing/Carrier Ad visory Committees proposal attempt get uniform set engine rules across three so-called slow events Slow Rat Profile Carrier Slow Combat rule proposal finally passed Slow Rat now law net effect rule eliminate lot very good competitive fliers causing much bad feeling has helped event will hurt am sorry rule ever passed CLCB cannot understand individual CLCB would vote anything straight ticket across three events proposed would rule OK event another Maybe case well vote other guys event fly Im sure well never know individual voted way did Slow Rat fliers will suffering because couple years know least area will ignore rule wont advocate action since rule will followed Nats hard compete local levels under set rules have make serious adjustments order fly Nats still pos sible solution Another solution might little long ranged fly two classes Slow Rat AMA specifications another whatever special rules might popular area proposed during last rules cycle CLCB ruled against area going fly AMA Slow Rat same event engine restrictions plain bearing no Schnuerle production engine front intake hope putting little fun back event lot competitors just dont want com pete $100 engines 120-mph speeds Slow Rat Engines solution engine rule above offered Paul Tune Nashville area Paul took time put effort build up de-bored Schnuerle4o 35 Paul started OS Max 40 put together better run ning set-ups around course new rule disadvantage So Paul did obvious thing got OS Max build engine him Through World Engines OS Max engine Paul developed will available commer cially first April price will competitive can contact Paul Box 706 Franklin TN 37964 Another engine quite competitive Slow Rat KB 58 has market since last spring engine ABC set-up front-rotor induc tion front-rotor style cer tainly popular configuration people would prefer run engine rear intake possible As turns out KB historically has built engines common dimen sions parts interchangeability standard building several variations same basic design sev eral different displacements 65-58May1978 95 DU-BRO PLATED BRASS DURA COLLARS ENOUGH STOCK SO THAT THREADS WILL NOT STRIP CAN BE RE-WORKED FOR OTHER USES LIKE HARDENED STEEL NICE IMPROVEMENT THAT HAS ALWAYS BEEN THERE STILL AVAILABLE IN SETS OF 4 COMPLETE WITH ALLEN WRENCH FOR MODELERS WHO DEMAND ONLY THE VERY BEST WHY PAY MORE AND GET KITS PLANS SSORIES 5417 ME 17 SPAN STOCK NO PP 13 KIT $425 ASK POE OUR KITS AND ACCESSORIES AT YOUR LOCAL DEALER P NOT AVAILABLE AT TOUR DEALRR ORDER DIRRCT ADD 60R POSTAGR BROWN CO-2 ENGINES ENGINES ARE IN STOCK NEW CHARGER AND 5 SIZES OP TANKS BROWN ENGINES MUST BE ORDERED DIRECT PROM PECKPOLYMERS WALNUT SCALE KITS BABY ACE$425 PSANUT SCALE KITS PIPSR J3 CUB$329 PIETENPOL$329 MILES$329 TURBULENT$329 MUSTANG$349 ZERO$349 COUGAR$349 ANDESASON$349 GIPSY MOTH$349 GANAGOBIE$349 SPORT MODEL KITS ONE NITE 28 $475 ONE MITE 16$349 STRINGLESS WONDER$249 PECK BOG$139 KITS S PLANS 0 ACCESSORIES REAL JAPANESE TISSUE-PROPS COMPLETE CATALOG 50 MANY HARD TO PIND ITEMS P 0 BOX 2498 -AMA LA MESA CALIF 92041 PHONE 7141 469-4673 o 7141 4424636 CUSTOM TUNED ENGINES I COMPETITION ACCESSORIES Cox 0491051 SpecialistsPARASOL brochure send 13e stamp Kustom Krattsmanship BrochureMODERNISTIC MODELS Box 2699 Laguna Hilts CA 92653 714 830-5162PO BOX 6974ALBUQ NM 87107 49-cc engine no exception three versions have common dimensions except diameter piston What means could use rear intake crankshaft/front end back door 65 58 case/pis ton/liner have rear rotor 58 have talked John Brodbeck K&B told rear-rotor 58 49 available special order dont expect youll see item advertised distributed through dealers since will small quantity item engine available engine manufacturer rear rotor requirement make legal AMA Slow Rat under new rule So have another engine consider next Slow Rat design 1978 National Championships will back Lake Charles during week July 30 through August 6 us live area quite excited about since Lake Charles friendliest places Nats has years schedule racing quite similar previous years exception will no Mouse Race will sit well Y2A fans history participation doesnt justify flying event year However bring along Mouses ay will flying unofficial Mouse event Tuesday same day FAI Team Race will plenty time space available Trophies will supplied al though writing Im sure will sponsor event enough interest unofficial event perhaps next year will back schedule summarize Open events will Goodyear Monday Rat Thursday Slow Rat Saturday Junior Senior events will held together Goodyear Wednesday Rat Friday morning Slow Rat Friday afternoon mentioned FAI Team Race unofficial Mouse Race Tuesday Rules Change Cycle Some people Ive talking have thinking about possibility longer cycle rules changes current two years felt present cycle period doesnt allow full impact rules felt time initial change proposal deadline has passed Adding year cycle would give competitors two items First stable rules will diminish frequent changes result obsolete equipment Second will chance fly rules longer period fore becomes too late supply needed corrections feeling out would support idea write AMA district VP. Contest Board member Let feelings known W R Lee 3522 Tamarisk Lane Mis souri City TX 77459 Laminated Props/OReilly continued page 44 shaft centered along hub After round checks rebend reposition required solder joint will almost cer tainly break dont worry will resolder easily After resoldering check again see joint didnt slip soldering Install blades hub retain wheel retainers available Carl Goldberg 3/32 wire Goldberg Sig 1/16 wire Pull both blades forward thrust position blade stops will prob ably prevent going way forward Trim blade stops until both blades 906 prop shaft Note placement hinge point behind blade centerline makes props flare higher pitch during power burst possible increase decrease flare trimming blade stops may now complete front end assembly using design choice generally use ordinary ten sioner stop such find major ity contest rubber jobs flying note caution may order flying short-nosed model has blades folded overlap wing leading edge tensioner stop will sometimes disengage yet turn tip will hang up wing lead ing edge other will hang down spoil glide trim Montreal stop usual fix problem will adapt wire hub Bob White/Hank Cole stop described Bob Meusers col umn May 76 Model Aviation may answer am trying version standard tensioner stop small 032 wire hook instead usual stop screw So far has given reliable performance would delighted receive questions comments readers article address 4760 N Battin Wichita KS 67220 FF Duration/Meuser continued page 47 ited Rubber models flown under suddendeath rules flight no-max time limit As January result recent rules change Unlimited Rubber will henceforth forevermore known Mulvihill Event pox Contest Directors magazine wri ters modelers AMA Headquarters personnel ever refer otherwise Well thats pretty long-winded way lead announcement George Perryman won Mulvi-Mulvi event King Orange Internats Mulvi hill-Trophy-winning Great Speckled Bird shown December issue first time GSB has won such contest foggy drizzly George afraid model might climb out-of-sight low-lying clouds wound about 70% maximum turns GSB landed 531 tree top Georges score followed 7-sec intervals Jim Lewis Phil Hartman respectively Phil sponsored event have other good news about Georges GSB professional ethics demands keep awhile chances good will Mulvi-Mulvi event real Memorial Day Classic Taft year provided can get out sack early enough run George allows has new design up sleeve Im sure want know about current designs enough make strong men cry 96 Model Aviation FL WIT* ~#5fR CU3 PU WIN .t WALNUT SCALE