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Radio Control Aerobatics

Author: R. Allison


Edition: Model Aviation - 1999/08
Page Numbers: 84, 86, 88, 93

RADIO CONTROL AEROBATICS U i L-1 — E IL-t4T1i1 U' FOR THE PAST month Ive busy building testing things other people fly items arent model aircraft dont sit front porch waiting favorite trinket-truck drop off couple nice big cardboard containers like see Ive serving nonglamorous nonvoting unofficial highly unpaid position creative consultant two maneuver schedule subcommittees National Society Radio Controlled Aerobatics NSRCA Rules Committee traditionally AMA Advisory Committee RC Aerobatics AMA RC Aerobatics Contest Board sole purpose two maneuver schedule subcommittees formulate test submit possible new maneuver schedules Pattern classes main NSRCA Rules Committee Rules Committees tasks put out NSRCA Rules Survey questionnaire/poll sent members NSRCA near beginning rules cycle designed harvest membership opinions votes comments current matters Pattern import present plan include two sets possible new schedules NSRCA Survey set maneuver subcommittee members may vote relative merits results Survey used NSRCA Rules Committee formulate NSRCA rules proposals submitted RC Aerobatics Contest Board series votes either finally approved disapproved additions rules event other words anything Ive spending time actually adopted would have approved specific maneuver schedule subcommittee contribute services would have placed NSCRA Survey main committee win competitive vote NSRCA membership against schedules submitted other subcommittee submitted rules proposal AMA RC Aerobatics Contest Board pass initial vote body following would need survive period crossproposals modify may submitted voted done would have pass final vote Contest Board before being placed Competition Regulations whole process takes up entire AMA Rules Cycle currently three years Its longer elephants pregnancy times can messy slippery frustrating convincing muddy pig wants ride pickup truck during thunderstorm merely little background subject hand structure Pattern three modeling events primarily organized around subjective judging pilot skill RC Aerobatics Pattern RC Scale Aerobatics IMAC Control Line Precision Aerobatics Stunt similar idea provides basis three achievement airborne geometric precision methods used furtherance end differ considerably Scale Aerobatics event like Pattern structure divided skillclassification classes like Pattern maneuver schedules classes based IAC International Aerobatic Club full-scale aerobatic schedules like change yearly purpose event replicate closely possible maximum possible prototype fidelity full-scale aerobatics appearance rules procedures maneuvers Scale models must used competition emphasis provide continuing challenge pilots means continuing alteration schedules maneuvers flown Freestyles Unknown schedules part mix Constant change designed structure event Control Line Precision Aerobatics oldest modeling aerobatic events loaded gunwales tradition changes very slowly four skill classes two maneuver schedules simplified abbreviated schedule serves entry-level Beginner class traditional AMA Stunt pattern yes thats term came serves other three time between significant changes main maneuver schedule usually measured decades maneuvers flown necessarily unique control method used seldom replicate full-scale practice Stunt emphasis achievement absolute balletlike perfection continued repetition Movement between classes basis average score achieved Rules stability has always characteristic event traditionally building designing technical skills regarded almost highly piloting skills top three classes Intermediate Advanced Expert skills admired rewarded bonus appearance points added flight scores pilot actually builder model Pattern pure pilots event Nothing really counts model/pilot performance air contest day no appearance points type model scale may flown subject certain technical limits such size weight Building finishing design technical skills may admired directly rewarded maneuvers flown mirror nearly full spectrum what currently flown fullscale arena minus gyroscopic maneuvers plus figures currently feasible power/weight ratios available modelscale Unknowns Freestyles currently flown Pattern no attempt made duplicate practices appearance full-scale aerobatics maneuver schedules used Pattern guide structure event structure event interlock tailored differently unique skill class different schedules just provided pilots varying skills may compete equal footing 84 Model Aviation Cochrun Redmond Washington gets Meridian 900 ready go Rick competes new Intermediate old Sportsman class peers deliberately designed teach aerobatic flight skills logical progression lessons learned level meant applied next refined added used basis mastering succeeding levels Stunt Scale Aerobatics unquestionably provide skill-building educational experience participants benefit comes mainly collateral side-effect main purpose event Pattern educational experience progressing up skill-ladder central event its what makes Pattern unique has called university aerobatic flight prefer think correspondence course weekend contest field trips progress tests usefulness such educational structure beyond doubtand just producing world-class Pattern pilots Pattern alumni scattered length breadth competitive aeromodeling Radio Control events have successful IMAC Scale Racing sailplanes helicopters Electric events almost anywhere else manual skill precisely guiding radiocontrolled airborne model premium Maintaining internal cohesiveness integrity Pattern educational structure changing very difficult Rules stability very necessary component orderly progression individuals through classes up aerobatic skill-ladder put risk Change also needed prevents stagnation levels provides continuing challenge top classes keeps event abreast technical advances equipment balance between change stability has always elusive ideal Pattern reality pendulum tends swing between two poles rules cycle next recent past have experienced period relative stability current rules cycle shaping up event participants would like change served rather stability nature change can either disruptive energizing force Historically major Pattern maneuver schedule changes have almost always confined two classes per rules cycle Some previous changes have NSRCA-backed proposals some have F ON OWEN LESS HASSLE MORE FUN Dieselize Davis Diesel Its Awesome Up 50% Power llvice Long Some Easy Starting 4- Scale Sound No Glow Plugs a_ 4IS4_______ 4CHN0 DAVIS MCCII PROSIICTS P0 Box 141 Dep MA M ford CT 06460 877-1670 pod $400 credit oppIed fitt odel 86 Model Aviation High Performance header VS 140Z engine Gains up 200 rpm claimed boots Diesel Heads Over itt models 049-36 ou Worlds largest producer Model Diesel Fuels Transforms Yeor 25 too 40 ruin 40 too 60 Tailored specially CG Superfloatstm get Tough seawofrom balsa ply Complete m dwares down twin kick-up wateranci get mstrucnons fly water Superiloats adaptable lots CARL GOLDBERG other planes 6 9 pound range too DELS INC dont delay See local dealers soon come proposals individual participants event have taken account basic structure idea has design changes fit seamlessly existing structure Several bold new ideas have surfaced rules cycle Change being contemplated across board possible new schedules being presently looked NSRCA Rules Committee classesnot just two means nothing can really designed fit anything else because no single point stability will remain Instead entirely new structure group schedules will proposed somewhat different old similar concept designed serve same educational ends Secondly NSRCA Rules Committee has decided propose such schedule structure two two sub committees formed pick submit Contest Board popular vote membership NSRCA Rules Survey Just will done vote will structured what voting options will have yet finalized write What certain process change event will politicized popularized greater degree ever before believe event belongs participants believe best ideas usually end up top heap believe 88 Model Aviation inued page 93 RC Aerobatics/Allison Continued page 88 sensible change good necessary thing believe time right changes am participating process formulating such change Nevertheless have some reservations about new approach hand certainly involves great brains process ever before can good thing other hand seems far too much like doing quadruple heart bypass brain surgery liver transplant face-lift procedure same time same patient just keep interesting hospital has decided use couple different surgical teams invite patients friends relatives attend operation vote incision gets closed first stitches go dont say patient wont just fine up flying snap rolls week have fingers crossed Im hoping Loop bone stays firmly connected Roll bone carving over present schedules structure Pattern little dated need changes However what have has refined over years actual use works pretty well within its design limits Changes scope proposed will implemented en mosse almost certainly lack degree refinement will doubtless require some fine-tuning over next rules cycle two multiple hurdles change must clear Regardless proposed scope changes being considered process used propose chances anything really disruptive event being passed very very slight Im concerned Pattern may end up politically acceptable changes summed will add up weaker structure less logical synergistic educational experience might have totaled first designed pass popular vote Pattern product front have just laid hands significant new advance header technology YS line engines manufactured Advanced Acm Products available $4995 through usual Pattern suppliers outlets got Central Hobbies order number 800 7235937 all-new patent-pending highperformance design significantly reduces back pressure depending restriction muffler pipe used has produced gains up 200 rpm over conventional headers YS l40L no flex-tube section break comes its own high-temperature Teflon header-tube connection fits YS 140 120 engines ER Al RSC flEW IIECI1IIC ACCESSORIES Motor gearbox folding prop & motor mount combination mAvailable 3 W ratios Great value $4195 sug retail Longer flight times & greater climb Compact lightweight design mm 3 ratios 25 30 351 $1 895 sug retail 4 Large blade area less drag mIn sizes 12x8 15x12 $895 995 sug retail U Wide & thin undercambered blades great performance mm 8 sizes 10x6 10x8 11x7 11x9 12x8 12x10 13x8& 13x10 inDirect Drive prop adaptor $395 05 72 volt motor $1595 mAluminum motor mount $459 mEolding prop replacement blades $495/pair Windsor Propeller Co Inc 3219 Monier Circle Rancho Cordova CA 95742 WindsorpropeIIer@compuservecom Ph 9166318385 August 1999 93 PUT ON SOME AlAS Spert -Airs Troin-AirsI $6195 port-flir 40 $7795 E auaawav J7 RO Box 208 Methuen MA 01844 phone 978 686-0319 internet wwwnortheastaerodynamicscom Visa Mastercard Welcome Call write full line catalog

Author: R. Allison


Edition: Model Aviation - 1999/08
Page Numbers: 84, 86, 88, 93

RADIO CONTROL AEROBATICS U i L-1 — E IL-t4T1i1 U' FOR THE PAST month Ive busy building testing things other people fly items arent model aircraft dont sit front porch waiting favorite trinket-truck drop off couple nice big cardboard containers like see Ive serving nonglamorous nonvoting unofficial highly unpaid position creative consultant two maneuver schedule subcommittees National Society Radio Controlled Aerobatics NSRCA Rules Committee traditionally AMA Advisory Committee RC Aerobatics AMA RC Aerobatics Contest Board sole purpose two maneuver schedule subcommittees formulate test submit possible new maneuver schedules Pattern classes main NSRCA Rules Committee Rules Committees tasks put out NSRCA Rules Survey questionnaire/poll sent members NSRCA near beginning rules cycle designed harvest membership opinions votes comments current matters Pattern import present plan include two sets possible new schedules NSRCA Survey set maneuver subcommittee members may vote relative merits results Survey used NSRCA Rules Committee formulate NSRCA rules proposals submitted RC Aerobatics Contest Board series votes either finally approved disapproved additions rules event other words anything Ive spending time actually adopted would have approved specific maneuver schedule subcommittee contribute services would have placed NSCRA Survey main committee win competitive vote NSRCA membership against schedules submitted other subcommittee submitted rules proposal AMA RC Aerobatics Contest Board pass initial vote body following would need survive period crossproposals modify may submitted voted done would have pass final vote Contest Board before being placed Competition Regulations whole process takes up entire AMA Rules Cycle currently three years Its longer elephants pregnancy times can messy slippery frustrating convincing muddy pig wants ride pickup truck during thunderstorm merely little background subject hand structure Pattern three modeling events primarily organized around subjective judging pilot skill RC Aerobatics Pattern RC Scale Aerobatics IMAC Control Line Precision Aerobatics Stunt similar idea provides basis three achievement airborne geometric precision methods used furtherance end differ considerably Scale Aerobatics event like Pattern structure divided skillclassification classes like Pattern maneuver schedules classes based IAC International Aerobatic Club full-scale aerobatic schedules like change yearly purpose event replicate closely possible maximum possible prototype fidelity full-scale aerobatics appearance rules procedures maneuvers Scale models must used competition emphasis provide continuing challenge pilots means continuing alteration schedules maneuvers flown Freestyles Unknown schedules part mix Constant change designed structure event Control Line Precision Aerobatics oldest modeling aerobatic events loaded gunwales tradition changes very slowly four skill classes two maneuver schedules simplified abbreviated schedule serves entry-level Beginner class traditional AMA Stunt pattern yes thats term came serves other three time between significant changes main maneuver schedule usually measured decades maneuvers flown necessarily unique control method used seldom replicate full-scale practice Stunt emphasis achievement absolute balletlike perfection continued repetition Movement between classes basis average score achieved Rules stability has always characteristic event traditionally building designing technical skills regarded almost highly piloting skills top three classes Intermediate Advanced Expert skills admired rewarded bonus appearance points added flight scores pilot actually builder model Pattern pure pilots event Nothing really counts model/pilot performance air contest day no appearance points type model scale may flown subject certain technical limits such size weight Building finishing design technical skills may admired directly rewarded maneuvers flown mirror nearly full spectrum what currently flown fullscale arena minus gyroscopic maneuvers plus figures currently feasible power/weight ratios available modelscale Unknowns Freestyles currently flown Pattern no attempt made duplicate practices appearance full-scale aerobatics maneuver schedules used Pattern guide structure event structure event interlock tailored differently unique skill class different schedules just provided pilots varying skills may compete equal footing 84 Model Aviation Cochrun Redmond Washington gets Meridian 900 ready go Rick competes new Intermediate old Sportsman class peers deliberately designed teach aerobatic flight skills logical progression lessons learned level meant applied next refined added used basis mastering succeeding levels Stunt Scale Aerobatics unquestionably provide skill-building educational experience participants benefit comes mainly collateral side-effect main purpose event Pattern educational experience progressing up skill-ladder central event its what makes Pattern unique has called university aerobatic flight prefer think correspondence course weekend contest field trips progress tests usefulness such educational structure beyond doubtand just producing world-class Pattern pilots Pattern alumni scattered length breadth competitive aeromodeling Radio Control events have successful IMAC Scale Racing sailplanes helicopters Electric events almost anywhere else manual skill precisely guiding radiocontrolled airborne model premium Maintaining internal cohesiveness integrity Pattern educational structure changing very difficult Rules stability very necessary component orderly progression individuals through classes up aerobatic skill-ladder put risk Change also needed prevents stagnation levels provides continuing challenge top classes keeps event abreast technical advances equipment balance between change stability has always elusive ideal Pattern reality pendulum tends swing between two poles rules cycle next recent past have experienced period relative stability current rules cycle shaping up event participants would like change served rather stability nature change can either disruptive energizing force Historically major Pattern maneuver schedule changes have almost always confined two classes per rules cycle Some previous changes have NSRCA-backed proposals some have F ON OWEN LESS HASSLE MORE FUN Dieselize Davis Diesel Its Awesome Up 50% Power llvice Long Some Easy Starting 4- Scale Sound No Glow Plugs a_ 4IS4_______ 4CHN0 DAVIS MCCII PROSIICTS P0 Box 141 Dep MA M ford CT 06460 877-1670 pod $400 credit oppIed fitt odel 86 Model Aviation High Performance header VS 140Z engine Gains up 200 rpm claimed boots Diesel Heads Over itt models 049-36 ou Worlds largest producer Model Diesel Fuels Transforms Yeor 25 too 40 ruin 40 too 60 Tailored specially CG Superfloatstm get Tough seawofrom balsa ply Complete m dwares down twin kick-up wateranci get mstrucnons fly water Superiloats adaptable lots CARL GOLDBERG other planes 6 9 pound range too DELS INC dont delay See local dealers soon come proposals individual participants event have taken account basic structure idea has design changes fit seamlessly existing structure Several bold new ideas have surfaced rules cycle Change being contemplated across board possible new schedules being presently looked NSRCA Rules Committee classesnot just two means nothing can really designed fit anything else because no single point stability will remain Instead entirely new structure group schedules will proposed somewhat different old similar concept designed serve same educational ends Secondly NSRCA Rules Committee has decided propose such schedule structure two two sub committees formed pick submit Contest Board popular vote membership NSRCA Rules Survey Just will done vote will structured what voting options will have yet finalized write What certain process change event will politicized popularized greater degree ever before believe event belongs participants believe best ideas usually end up top heap believe 88 Model Aviation inued page 93 RC Aerobatics/Allison Continued page 88 sensible change good necessary thing believe time right changes am participating process formulating such change Nevertheless have some reservations about new approach hand certainly involves great brains process ever before can good thing other hand seems far too much like doing quadruple heart bypass brain surgery liver transplant face-lift procedure same time same patient just keep interesting hospital has decided use couple different surgical teams invite patients friends relatives attend operation vote incision gets closed first stitches go dont say patient wont just fine up flying snap rolls week have fingers crossed Im hoping Loop bone stays firmly connected Roll bone carving over present schedules structure Pattern little dated need changes However what have has refined over years actual use works pretty well within its design limits Changes scope proposed will implemented en mosse almost certainly lack degree refinement will doubtless require some fine-tuning over next rules cycle two multiple hurdles change must clear Regardless proposed scope changes being considered process used propose chances anything really disruptive event being passed very very slight Im concerned Pattern may end up politically acceptable changes summed will add up weaker structure less logical synergistic educational experience might have totaled first designed pass popular vote Pattern product front have just laid hands significant new advance header technology YS line engines manufactured Advanced Acm Products available $4995 through usual Pattern suppliers outlets got Central Hobbies order number 800 7235937 all-new patent-pending highperformance design significantly reduces back pressure depending restriction muffler pipe used has produced gains up 200 rpm over conventional headers YS l40L no flex-tube section break comes its own high-temperature Teflon header-tube connection fits YS 140 120 engines ER Al RSC flEW IIECI1IIC ACCESSORIES Motor gearbox folding prop & motor mount combination mAvailable 3 W ratios Great value $4195 sug retail Longer flight times & greater climb Compact lightweight design mm 3 ratios 25 30 351 $1 895 sug retail 4 Large blade area less drag mIn sizes 12x8 15x12 $895 995 sug retail U Wide & thin undercambered blades great performance mm 8 sizes 10x6 10x8 11x7 11x9 12x8 12x10 13x8& 13x10 inDirect Drive prop adaptor $395 05 72 volt motor $1595 mAluminum motor mount $459 mEolding prop replacement blades $495/pair Windsor Propeller Co Inc 3219 Monier Circle Rancho Cordova CA 95742 WindsorpropeIIer@compuservecom Ph 9166318385 August 1999 93 PUT ON SOME AlAS Spert -Airs Troin-AirsI $6195 port-flir 40 $7795 E auaawav J7 RO Box 208 Methuen MA 01844 phone 978 686-0319 internet wwwnortheastaerodynamicscom Visa Mastercard Welcome Call write full line catalog

Author: R. Allison


Edition: Model Aviation - 1999/08
Page Numbers: 84, 86, 88, 93

RADIO CONTROL AEROBATICS U i L-1 — E IL-t4T1i1 U' FOR THE PAST month Ive busy building testing things other people fly items arent model aircraft dont sit front porch waiting favorite trinket-truck drop off couple nice big cardboard containers like see Ive serving nonglamorous nonvoting unofficial highly unpaid position creative consultant two maneuver schedule subcommittees National Society Radio Controlled Aerobatics NSRCA Rules Committee traditionally AMA Advisory Committee RC Aerobatics AMA RC Aerobatics Contest Board sole purpose two maneuver schedule subcommittees formulate test submit possible new maneuver schedules Pattern classes main NSRCA Rules Committee Rules Committees tasks put out NSRCA Rules Survey questionnaire/poll sent members NSRCA near beginning rules cycle designed harvest membership opinions votes comments current matters Pattern import present plan include two sets possible new schedules NSRCA Survey set maneuver subcommittee members may vote relative merits results Survey used NSRCA Rules Committee formulate NSRCA rules proposals submitted RC Aerobatics Contest Board series votes either finally approved disapproved additions rules event other words anything Ive spending time actually adopted would have approved specific maneuver schedule subcommittee contribute services would have placed NSCRA Survey main committee win competitive vote NSRCA membership against schedules submitted other subcommittee submitted rules proposal AMA RC Aerobatics Contest Board pass initial vote body following would need survive period crossproposals modify may submitted voted done would have pass final vote Contest Board before being placed Competition Regulations whole process takes up entire AMA Rules Cycle currently three years Its longer elephants pregnancy times can messy slippery frustrating convincing muddy pig wants ride pickup truck during thunderstorm merely little background subject hand structure Pattern three modeling events primarily organized around subjective judging pilot skill RC Aerobatics Pattern RC Scale Aerobatics IMAC Control Line Precision Aerobatics Stunt similar idea provides basis three achievement airborne geometric precision methods used furtherance end differ considerably Scale Aerobatics event like Pattern structure divided skillclassification classes like Pattern maneuver schedules classes based IAC International Aerobatic Club full-scale aerobatic schedules like change yearly purpose event replicate closely possible maximum possible prototype fidelity full-scale aerobatics appearance rules procedures maneuvers Scale models must used competition emphasis provide continuing challenge pilots means continuing alteration schedules maneuvers flown Freestyles Unknown schedules part mix Constant change designed structure event Control Line Precision Aerobatics oldest modeling aerobatic events loaded gunwales tradition changes very slowly four skill classes two maneuver schedules simplified abbreviated schedule serves entry-level Beginner class traditional AMA Stunt pattern yes thats term came serves other three time between significant changes main maneuver schedule usually measured decades maneuvers flown necessarily unique control method used seldom replicate full-scale practice Stunt emphasis achievement absolute balletlike perfection continued repetition Movement between classes basis average score achieved Rules stability has always characteristic event traditionally building designing technical skills regarded almost highly piloting skills top three classes Intermediate Advanced Expert skills admired rewarded bonus appearance points added flight scores pilot actually builder model Pattern pure pilots event Nothing really counts model/pilot performance air contest day no appearance points type model scale may flown subject certain technical limits such size weight Building finishing design technical skills may admired directly rewarded maneuvers flown mirror nearly full spectrum what currently flown fullscale arena minus gyroscopic maneuvers plus figures currently feasible power/weight ratios available modelscale Unknowns Freestyles currently flown Pattern no attempt made duplicate practices appearance full-scale aerobatics maneuver schedules used Pattern guide structure event structure event interlock tailored differently unique skill class different schedules just provided pilots varying skills may compete equal footing 84 Model Aviation Cochrun Redmond Washington gets Meridian 900 ready go Rick competes new Intermediate old Sportsman class peers deliberately designed teach aerobatic flight skills logical progression lessons learned level meant applied next refined added used basis mastering succeeding levels Stunt Scale Aerobatics unquestionably provide skill-building educational experience participants benefit comes mainly collateral side-effect main purpose event Pattern educational experience progressing up skill-ladder central event its what makes Pattern unique has called university aerobatic flight prefer think correspondence course weekend contest field trips progress tests usefulness such educational structure beyond doubtand just producing world-class Pattern pilots Pattern alumni scattered length breadth competitive aeromodeling Radio Control events have successful IMAC Scale Racing sailplanes helicopters Electric events almost anywhere else manual skill precisely guiding radiocontrolled airborne model premium Maintaining internal cohesiveness integrity Pattern educational structure changing very difficult Rules stability very necessary component orderly progression individuals through classes up aerobatic skill-ladder put risk Change also needed prevents stagnation levels provides continuing challenge top classes keeps event abreast technical advances equipment balance between change stability has always elusive ideal Pattern reality pendulum tends swing between two poles rules cycle next recent past have experienced period relative stability current rules cycle shaping up event participants would like change served rather stability nature change can either disruptive energizing force Historically major Pattern maneuver schedule changes have almost always confined two classes per rules cycle Some previous changes have NSRCA-backed proposals some have F ON OWEN LESS HASSLE MORE FUN Dieselize Davis Diesel Its Awesome Up 50% Power llvice Long Some Easy Starting 4- Scale Sound No Glow Plugs a_ 4IS4_______ 4CHN0 DAVIS MCCII PROSIICTS P0 Box 141 Dep MA M ford CT 06460 877-1670 pod $400 credit oppIed fitt odel 86 Model Aviation High Performance header VS 140Z engine Gains up 200 rpm claimed boots Diesel Heads Over itt models 049-36 ou Worlds largest producer Model Diesel Fuels Transforms Yeor 25 too 40 ruin 40 too 60 Tailored specially CG Superfloatstm get Tough seawofrom balsa ply Complete m dwares down twin kick-up wateranci get mstrucnons fly water Superiloats adaptable lots CARL GOLDBERG other planes 6 9 pound range too DELS INC dont delay See local dealers soon come proposals individual participants event have taken account basic structure idea has design changes fit seamlessly existing structure Several bold new ideas have surfaced rules cycle Change being contemplated across board possible new schedules being presently looked NSRCA Rules Committee classesnot just two means nothing can really designed fit anything else because no single point stability will remain Instead entirely new structure group schedules will proposed somewhat different old similar concept designed serve same educational ends Secondly NSRCA Rules Committee has decided propose such schedule structure two two sub committees formed pick submit Contest Board popular vote membership NSRCA Rules Survey Just will done vote will structured what voting options will have yet finalized write What certain process change event will politicized popularized greater degree ever before believe event belongs participants believe best ideas usually end up top heap believe 88 Model Aviation inued page 93 RC Aerobatics/Allison Continued page 88 sensible change good necessary thing believe time right changes am participating process formulating such change Nevertheless have some reservations about new approach hand certainly involves great brains process ever before can good thing other hand seems far too much like doing quadruple heart bypass brain surgery liver transplant face-lift procedure same time same patient just keep interesting hospital has decided use couple different surgical teams invite patients friends relatives attend operation vote incision gets closed first stitches go dont say patient wont just fine up flying snap rolls week have fingers crossed Im hoping Loop bone stays firmly connected Roll bone carving over present schedules structure Pattern little dated need changes However what have has refined over years actual use works pretty well within its design limits Changes scope proposed will implemented en mosse almost certainly lack degree refinement will doubtless require some fine-tuning over next rules cycle two multiple hurdles change must clear Regardless proposed scope changes being considered process used propose chances anything really disruptive event being passed very very slight Im concerned Pattern may end up politically acceptable changes summed will add up weaker structure less logical synergistic educational experience might have totaled first designed pass popular vote Pattern product front have just laid hands significant new advance header technology YS line engines manufactured Advanced Acm Products available $4995 through usual Pattern suppliers outlets got Central Hobbies order number 800 7235937 all-new patent-pending highperformance design significantly reduces back pressure depending restriction muffler pipe used has produced gains up 200 rpm over conventional headers YS l40L no flex-tube section break comes its own high-temperature Teflon header-tube connection fits YS 140 120 engines ER Al RSC flEW IIECI1IIC ACCESSORIES Motor gearbox folding prop & motor mount combination mAvailable 3 W ratios Great value $4195 sug retail Longer flight times & greater climb Compact lightweight design mm 3 ratios 25 30 351 $1 895 sug retail 4 Large blade area less drag mIn sizes 12x8 15x12 $895 995 sug retail U Wide & thin undercambered blades great performance mm 8 sizes 10x6 10x8 11x7 11x9 12x8 12x10 13x8& 13x10 inDirect Drive prop adaptor $395 05 72 volt motor $1595 mAluminum motor mount $459 mEolding prop replacement blades $495/pair Windsor Propeller Co Inc 3219 Monier Circle Rancho Cordova CA 95742 WindsorpropeIIer@compuservecom Ph 9166318385 August 1999 93 PUT ON SOME AlAS Spert -Airs Troin-AirsI $6195 port-flir 40 $7795 E auaawav J7 RO Box 208 Methuen MA 01844 phone 978 686-0319 internet wwwnortheastaerodynamicscom Visa Mastercard Welcome Call write full line catalog

Author: R. Allison


Edition: Model Aviation - 1999/08
Page Numbers: 84, 86, 88, 93

RADIO CONTROL AEROBATICS U i L-1 — E IL-t4T1i1 U' FOR THE PAST month Ive busy building testing things other people fly items arent model aircraft dont sit front porch waiting favorite trinket-truck drop off couple nice big cardboard containers like see Ive serving nonglamorous nonvoting unofficial highly unpaid position creative consultant two maneuver schedule subcommittees National Society Radio Controlled Aerobatics NSRCA Rules Committee traditionally AMA Advisory Committee RC Aerobatics AMA RC Aerobatics Contest Board sole purpose two maneuver schedule subcommittees formulate test submit possible new maneuver schedules Pattern classes main NSRCA Rules Committee Rules Committees tasks put out NSRCA Rules Survey questionnaire/poll sent members NSRCA near beginning rules cycle designed harvest membership opinions votes comments current matters Pattern import present plan include two sets possible new schedules NSRCA Survey set maneuver subcommittee members may vote relative merits results Survey used NSRCA Rules Committee formulate NSRCA rules proposals submitted RC Aerobatics Contest Board series votes either finally approved disapproved additions rules event other words anything Ive spending time actually adopted would have approved specific maneuver schedule subcommittee contribute services would have placed NSCRA Survey main committee win competitive vote NSRCA membership against schedules submitted other subcommittee submitted rules proposal AMA RC Aerobatics Contest Board pass initial vote body following would need survive period crossproposals modify may submitted voted done would have pass final vote Contest Board before being placed Competition Regulations whole process takes up entire AMA Rules Cycle currently three years Its longer elephants pregnancy times can messy slippery frustrating convincing muddy pig wants ride pickup truck during thunderstorm merely little background subject hand structure Pattern three modeling events primarily organized around subjective judging pilot skill RC Aerobatics Pattern RC Scale Aerobatics IMAC Control Line Precision Aerobatics Stunt similar idea provides basis three achievement airborne geometric precision methods used furtherance end differ considerably Scale Aerobatics event like Pattern structure divided skillclassification classes like Pattern maneuver schedules classes based IAC International Aerobatic Club full-scale aerobatic schedules like change yearly purpose event replicate closely possible maximum possible prototype fidelity full-scale aerobatics appearance rules procedures maneuvers Scale models must used competition emphasis provide continuing challenge pilots means continuing alteration schedules maneuvers flown Freestyles Unknown schedules part mix Constant change designed structure event Control Line Precision Aerobatics oldest modeling aerobatic events loaded gunwales tradition changes very slowly four skill classes two maneuver schedules simplified abbreviated schedule serves entry-level Beginner class traditional AMA Stunt pattern yes thats term came serves other three time between significant changes main maneuver schedule usually measured decades maneuvers flown necessarily unique control method used seldom replicate full-scale practice Stunt emphasis achievement absolute balletlike perfection continued repetition Movement between classes basis average score achieved Rules stability has always characteristic event traditionally building designing technical skills regarded almost highly piloting skills top three classes Intermediate Advanced Expert skills admired rewarded bonus appearance points added flight scores pilot actually builder model Pattern pure pilots event Nothing really counts model/pilot performance air contest day no appearance points type model scale may flown subject certain technical limits such size weight Building finishing design technical skills may admired directly rewarded maneuvers flown mirror nearly full spectrum what currently flown fullscale arena minus gyroscopic maneuvers plus figures currently feasible power/weight ratios available modelscale Unknowns Freestyles currently flown Pattern no attempt made duplicate practices appearance full-scale aerobatics maneuver schedules used Pattern guide structure event structure event interlock tailored differently unique skill class different schedules just provided pilots varying skills may compete equal footing 84 Model Aviation Cochrun Redmond Washington gets Meridian 900 ready go Rick competes new Intermediate old Sportsman class peers deliberately designed teach aerobatic flight skills logical progression lessons learned level meant applied next refined added used basis mastering succeeding levels Stunt Scale Aerobatics unquestionably provide skill-building educational experience participants benefit comes mainly collateral side-effect main purpose event Pattern educational experience progressing up skill-ladder central event its what makes Pattern unique has called university aerobatic flight prefer think correspondence course weekend contest field trips progress tests usefulness such educational structure beyond doubtand just producing world-class Pattern pilots Pattern alumni scattered length breadth competitive aeromodeling Radio Control events have successful IMAC Scale Racing sailplanes helicopters Electric events almost anywhere else manual skill precisely guiding radiocontrolled airborne model premium Maintaining internal cohesiveness integrity Pattern educational structure changing very difficult Rules stability very necessary component orderly progression individuals through classes up aerobatic skill-ladder put risk Change also needed prevents stagnation levels provides continuing challenge top classes keeps event abreast technical advances equipment balance between change stability has always elusive ideal Pattern reality pendulum tends swing between two poles rules cycle next recent past have experienced period relative stability current rules cycle shaping up event participants would like change served rather stability nature change can either disruptive energizing force Historically major Pattern maneuver schedule changes have almost always confined two classes per rules cycle Some previous changes have NSRCA-backed proposals some have F ON OWEN LESS HASSLE MORE FUN Dieselize Davis Diesel Its Awesome Up 50% Power llvice Long Some Easy Starting 4- Scale Sound No Glow Plugs a_ 4IS4_______ 4CHN0 DAVIS MCCII PROSIICTS P0 Box 141 Dep MA M ford CT 06460 877-1670 pod $400 credit oppIed fitt odel 86 Model Aviation High Performance header VS 140Z engine Gains up 200 rpm claimed boots Diesel Heads Over itt models 049-36 ou Worlds largest producer Model Diesel Fuels Transforms Yeor 25 too 40 ruin 40 too 60 Tailored specially CG Superfloatstm get Tough seawofrom balsa ply Complete m dwares down twin kick-up wateranci get mstrucnons fly water Superiloats adaptable lots CARL GOLDBERG other planes 6 9 pound range too DELS INC dont delay See local dealers soon come proposals individual participants event have taken account basic structure idea has design changes fit seamlessly existing structure Several bold new ideas have surfaced rules cycle Change being contemplated across board possible new schedules being presently looked NSRCA Rules Committee classesnot just two means nothing can really designed fit anything else because no single point stability will remain Instead entirely new structure group schedules will proposed somewhat different old similar concept designed serve same educational ends Secondly NSRCA Rules Committee has decided propose such schedule structure two two sub committees formed pick submit Contest Board popular vote membership NSRCA Rules Survey Just will done vote will structured what voting options will have yet finalized write What certain process change event will politicized popularized greater degree ever before believe event belongs participants believe best ideas usually end up top heap believe 88 Model Aviation inued page 93 RC Aerobatics/Allison Continued page 88 sensible change good necessary thing believe time right changes am participating process formulating such change Nevertheless have some reservations about new approach hand certainly involves great brains process ever before can good thing other hand seems far too much like doing quadruple heart bypass brain surgery liver transplant face-lift procedure same time same patient just keep interesting hospital has decided use couple different surgical teams invite patients friends relatives attend operation vote incision gets closed first stitches go dont say patient wont just fine up flying snap rolls week have fingers crossed Im hoping Loop bone stays firmly connected Roll bone carving over present schedules structure Pattern little dated need changes However what have has refined over years actual use works pretty well within its design limits Changes scope proposed will implemented en mosse almost certainly lack degree refinement will doubtless require some fine-tuning over next rules cycle two multiple hurdles change must clear Regardless proposed scope changes being considered process used propose chances anything really disruptive event being passed very very slight Im concerned Pattern may end up politically acceptable changes summed will add up weaker structure less logical synergistic educational experience might have totaled first designed pass popular vote Pattern product front have just laid hands significant new advance header technology YS line engines manufactured Advanced Acm Products available $4995 through usual Pattern suppliers outlets got Central Hobbies order number 800 7235937 all-new patent-pending highperformance design significantly reduces back pressure depending restriction muffler pipe used has produced gains up 200 rpm over conventional headers YS l40L no flex-tube section break comes its own high-temperature Teflon header-tube connection fits YS 140 120 engines ER Al RSC flEW IIECI1IIC ACCESSORIES Motor gearbox folding prop & motor mount combination mAvailable 3 W ratios Great value $4195 sug retail Longer flight times & greater climb Compact lightweight design mm 3 ratios 25 30 351 $1 895 sug retail 4 Large blade area less drag mIn sizes 12x8 15x12 $895 995 sug retail U Wide & thin undercambered blades great performance mm 8 sizes 10x6 10x8 11x7 11x9 12x8 12x10 13x8& 13x10 inDirect Drive prop adaptor $395 05 72 volt motor $1595 mAluminum motor mount $459 mEolding prop replacement blades $495/pair Windsor Propeller Co Inc 3219 Monier Circle Rancho Cordova CA 95742 WindsorpropeIIer@compuservecom Ph 9166318385 August 1999 93 PUT ON SOME AlAS Spert -Airs Troin-AirsI $6195 port-flir 40 $7795 E auaawav J7 RO Box 208 Methuen MA 01844 phone 978 686-0319 internet wwwnortheastaerodynamicscom Visa Mastercard Welcome Call write full line catalog

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