Control Line Aerobatics LOOK FOR noticeable growth Half-A stunt competition near fu ture WAM has Half-A stunt since 1953 contests periodically have some Half-A contests local level interest generated LM Cox Co sponsored Half-A champi onships last two Nationals will pro duce bonafide though unofficial Half-A precision aerobatics event 1976 Nationals PAMPA president Keith Trostle has appointed committee consisting Arlie Preszler Tom Dixon Bill Fitzgerald draw up guidelines event previous two events Lake Charles quite informal very little organiza tion Hey Maybe would best way keep Anyhow guide lines approved committee Any airplane design no builder-ofthe-model rule allow Cox planes powered engine engines having Wynn Paul total displacement no greater 0 051 cu 2 Flightpatterntobethesameas AMA aerobatics same scoring except omitting appearance points Contestants will fly two patterns best score used placing 3 Line sizes must minimum 008 stranded cable Pull-test per AMA rule book 4 airplane per pilot allowed back-up airplane per new AMA rule Same airplane may used pilot AMA numbers pilot must plane size may 1/2 time writing planned run Half-A event regular AMA classes Junior Senior Open Wed nesday Thursday Nationals week immediately after Junior Senior stunt completed day Judges other officials will come PAMPA volun teers Awards will given hope PAMPA members Cox com pany will again sponsor event Now Arlie what fly Cox Com pany gave Half-A stunt big shot arm brought out ME-109 Super Stunter 1974 can entire stunt pattern Half-A Super Chipmunk later entry also features foam wing makes ME-109 such good flier Larry Renger good article tuning trimming ME109 October 1974 Model Airplane News Some important items make certain foam wing warped 2 adjust landing gear swept back 3/4 stock position 3 break engine slowly alternately running two four cycles 4 lighten model sanding elevator vertical tail thinning out inside fuselage aft wing later article Larry Skyfire Flying Models May 1975 uses Cox foam wing builds profile fuselage around capable Half-A combat stunt Carstens Flying Models plan CF-368 $200 can ordered Larry recommends nose lengthened 1/4 stunt plane has 28 wingspan about 165 sq should come out about 7 8 oz us journeyed breezy Oshkosh Gad its 30 mph lets put up flight watch wing flex saw Dick Mathis gallantly trying get pat tern out Half-A Pinto before put dirt plane featured Flying Models December 1972 plans available Carstens No 283 $150 continued page 88 26 Model Aviation Close-up lrv Zicks Stunt Machine OS 35 43 os Rev-Up 10-6 EW adjustable leadouts om ulxons tiIares nas bi span I-ox 35 weighs 43 oz Superpoxy finish 1974 contest beauty handiwork Claus Maikis Germany uses Supertigre 46 Mirror-like white/gold/black finish Below Original design Paul Tupker Netherlands has 52-in span 550 sqs Power Fox 35 weight 43 ozs Overall black red/white/blue trim Both photographs Paul Tupker new LEADER 500 c/ass sport pylon racing & fun f/ys THE BITS FE ATU R ES MACHINED BALSA PARTS inCOMPLETE HARDWARE PAC FULL SIZE PLANS mAL LANDING GEAR PRE-LAM FUSE SIDES CONSTRUCTION PHOTOS mASSY INSTRUCTIONS 4025 E MADISON E1IjljadI S PHX-ARIZ- 85034 ww@St Inc PH 602275-8653 $42 p/us postage Standard dealers discount now available words scaled down Dee Rice Oriental straight 34-in builtup wing plane has built-up fuse lage full flaps conventional stunt plane construction Dick advocates 30-degree flap elevator movement control model came out weighing about 12 ounces Tom Dixon Atlanta suggests nose Pinto lengthened 3/4 make plane fly groovy Fuel tank size Half-A stunter should 125 15 ounces Clary Veco 6811 6817 should work give enough fuel entire pattern vent pick-up tubes should replaced 3/32 OD tubing Half-A flying tank shown Pinto plans actu ally too big substitute Clary Dick stresses use 008 braided steel lines 45-52 ft long feels offer little resistance yet give positive con trol feel fabric lines Tom Dixon built Half-A Gremlin published May 1975 Model Build er plans available no 5753 $275 sharp little flier built after Tom tried Pinto decided use thick tapered wing longer moments Cox stunt special engine wing span 33 217 sq front moment 53/4 rear moment 8 stabi lizer span 13 According Tom plane will fly very competitive pattern advises adjustable tip weight leadouts also advises controls set up slower big stunter handle movement required HalfA models much sensitive larger stunt ships Tom found 42-ft 008 lines worked best him uses Cox 6-4 prop Sig 5% stunt fuel Soon published another Dixon delight Stilares combines better features Stiletto Ares Look soon Both Arnold Stott Foam Flite Co Bob Hunt Control Specialties Co should have foam Half-A stunt wings available Bob says has complete Half-A wing tips controls flaps landing gear comes two ounces Bob has two wings available 24% airfoil other 21% So much specifications start build ing now get ready Nationals RC Soaring/Pruss continued paqe 21 oculars conditions ripe techniquethat having several people tracking flyingwill undoubt edly prove successful plane covered solid orange Monokotea color easiest see against hazy blue sky However white cloudy background visibility excellent must mentioned weather Cumberland November un predictable Jimmy Lee Jones night fly ing act ye land sunshine oranges 12-month thermal schedules please realize thin line tween late autumn/early winter out east full-scale sailplane fliers men tioned wave effect some years back found autumn/winter pheno menon because get wave effect wind must generate northwest get wind direction usually cold front must pass conditions such exist wave conducive high altitude fly ing Il-pound sailplanes have seen disappear matter minutes However fronts type also bring conditions colder contest directors heart year thin line favored side autumn conditions almost balmy temperatures suited Incidentally PAMPA considering changing stunt finals open category best two patterns out three over two day span felt Open stunt champion should selected just pattern Send comments Wynn Paul 1640 Maywick Dr Lexington Ky 40504 LSF Tournament wave soaring light slope lift did provide day leisure flying Hiners attempt altitude record measured meager 1600 feet though receiving greatest encouragement present holder record Ray Smith 4988 feet Saturday also saw normal attrition rate models Seems though certain trees area can survive year year fed annual ration balsa Jeff Mrlik claimed l first places during regular contest season dear reader against open age competitionhad unusual bad luck day losing three planes neces sarily fault flier prompted Warren Tiahrt claim cant beat him contests can sure wax him fun-fly statement short lived Sunday air calm young Jeff fourth sailplane flew two-hour thermal flight LSF Level V writer knows least other failed accomplishmentso Ill try again after snow thaws Weather Sunday almost too good early morning fog burned out valley mid-morning air absolutely calm No slope lift inclined unusual thermal lift area along temperatures 70s made up hadda appreciate department Seeing Jeff Mrlik trying re 88 Model Aviation CL Aerobatics/Paul continued oaae 26
Edition: Model Aviation - 1976/03
Page Numbers: 26, 88
Control Line Aerobatics LOOK FOR noticeable growth Half-A stunt competition near fu ture WAM has Half-A stunt since 1953 contests periodically have some Half-A contests local level interest generated LM Cox Co sponsored Half-A champi onships last two Nationals will pro duce bonafide though unofficial Half-A precision aerobatics event 1976 Nationals PAMPA president Keith Trostle has appointed committee consisting Arlie Preszler Tom Dixon Bill Fitzgerald draw up guidelines event previous two events Lake Charles quite informal very little organiza tion Hey Maybe would best way keep Anyhow guide lines approved committee Any airplane design no builder-ofthe-model rule allow Cox planes powered engine engines having Wynn Paul total displacement no greater 0 051 cu 2 Flightpatterntobethesameas AMA aerobatics same scoring except omitting appearance points Contestants will fly two patterns best score used placing 3 Line sizes must minimum 008 stranded cable Pull-test per AMA rule book 4 airplane per pilot allowed back-up airplane per new AMA rule Same airplane may used pilot AMA numbers pilot must plane size may 1/2 time writing planned run Half-A event regular AMA classes Junior Senior Open Wed nesday Thursday Nationals week immediately after Junior Senior stunt completed day Judges other officials will come PAMPA volun teers Awards will given hope PAMPA members Cox com pany will again sponsor event Now Arlie what fly Cox Com pany gave Half-A stunt big shot arm brought out ME-109 Super Stunter 1974 can entire stunt pattern Half-A Super Chipmunk later entry also features foam wing makes ME-109 such good flier Larry Renger good article tuning trimming ME109 October 1974 Model Airplane News Some important items make certain foam wing warped 2 adjust landing gear swept back 3/4 stock position 3 break engine slowly alternately running two four cycles 4 lighten model sanding elevator vertical tail thinning out inside fuselage aft wing later article Larry Skyfire Flying Models May 1975 uses Cox foam wing builds profile fuselage around capable Half-A combat stunt Carstens Flying Models plan CF-368 $200 can ordered Larry recommends nose lengthened 1/4 stunt plane has 28 wingspan about 165 sq should come out about 7 8 oz us journeyed breezy Oshkosh Gad its 30 mph lets put up flight watch wing flex saw Dick Mathis gallantly trying get pat tern out Half-A Pinto before put dirt plane featured Flying Models December 1972 plans available Carstens No 283 $150 continued page 88 26 Model Aviation Close-up lrv Zicks Stunt Machine OS 35 43 os Rev-Up 10-6 EW adjustable leadouts om ulxons tiIares nas bi span I-ox 35 weighs 43 oz Superpoxy finish 1974 contest beauty handiwork Claus Maikis Germany uses Supertigre 46 Mirror-like white/gold/black finish Below Original design Paul Tupker Netherlands has 52-in span 550 sqs Power Fox 35 weight 43 ozs Overall black red/white/blue trim Both photographs Paul Tupker new LEADER 500 c/ass sport pylon racing & fun f/ys THE BITS FE ATU R ES MACHINED BALSA PARTS inCOMPLETE HARDWARE PAC FULL SIZE PLANS mAL LANDING GEAR PRE-LAM FUSE SIDES CONSTRUCTION PHOTOS mASSY INSTRUCTIONS 4025 E MADISON E1IjljadI S PHX-ARIZ- 85034 ww@St Inc PH 602275-8653 $42 p/us postage Standard dealers discount now available words scaled down Dee Rice Oriental straight 34-in builtup wing plane has built-up fuse lage full flaps conventional stunt plane construction Dick advocates 30-degree flap elevator movement control model came out weighing about 12 ounces Tom Dixon Atlanta suggests nose Pinto lengthened 3/4 make plane fly groovy Fuel tank size Half-A stunter should 125 15 ounces Clary Veco 6811 6817 should work give enough fuel entire pattern vent pick-up tubes should replaced 3/32 OD tubing Half-A flying tank shown Pinto plans actu ally too big substitute Clary Dick stresses use 008 braided steel lines 45-52 ft long feels offer little resistance yet give positive con trol feel fabric lines Tom Dixon built Half-A Gremlin published May 1975 Model Build er plans available no 5753 $275 sharp little flier built after Tom tried Pinto decided use thick tapered wing longer moments Cox stunt special engine wing span 33 217 sq front moment 53/4 rear moment 8 stabi lizer span 13 According Tom plane will fly very competitive pattern advises adjustable tip weight leadouts also advises controls set up slower big stunter handle movement required HalfA models much sensitive larger stunt ships Tom found 42-ft 008 lines worked best him uses Cox 6-4 prop Sig 5% stunt fuel Soon published another Dixon delight Stilares combines better features Stiletto Ares Look soon Both Arnold Stott Foam Flite Co Bob Hunt Control Specialties Co should have foam Half-A stunt wings available Bob says has complete Half-A wing tips controls flaps landing gear comes two ounces Bob has two wings available 24% airfoil other 21% So much specifications start build ing now get ready Nationals RC Soaring/Pruss continued paqe 21 oculars conditions ripe techniquethat having several people tracking flyingwill undoubt edly prove successful plane covered solid orange Monokotea color easiest see against hazy blue sky However white cloudy background visibility excellent must mentioned weather Cumberland November un predictable Jimmy Lee Jones night fly ing act ye land sunshine oranges 12-month thermal schedules please realize thin line tween late autumn/early winter out east full-scale sailplane fliers men tioned wave effect some years back found autumn/winter pheno menon because get wave effect wind must generate northwest get wind direction usually cold front must pass conditions such exist wave conducive high altitude fly ing Il-pound sailplanes have seen disappear matter minutes However fronts type also bring conditions colder contest directors heart year thin line favored side autumn conditions almost balmy temperatures suited Incidentally PAMPA considering changing stunt finals open category best two patterns out three over two day span felt Open stunt champion should selected just pattern Send comments Wynn Paul 1640 Maywick Dr Lexington Ky 40504 LSF Tournament wave soaring light slope lift did provide day leisure flying Hiners attempt altitude record measured meager 1600 feet though receiving greatest encouragement present holder record Ray Smith 4988 feet Saturday also saw normal attrition rate models Seems though certain trees area can survive year year fed annual ration balsa Jeff Mrlik claimed l first places during regular contest season dear reader against open age competitionhad unusual bad luck day losing three planes neces sarily fault flier prompted Warren Tiahrt claim cant beat him contests can sure wax him fun-fly statement short lived Sunday air calm young Jeff fourth sailplane flew two-hour thermal flight LSF Level V writer knows least other failed accomplishmentso Ill try again after snow thaws Weather Sunday almost too good early morning fog burned out valley mid-morning air absolutely calm No slope lift inclined unusual thermal lift area along temperatures 70s made up hadda appreciate department Seeing Jeff Mrlik trying re 88 Model Aviation CL Aerobatics/Paul continued oaae 26