a thasto ire ad aL inno powered lone drivii John t ODDITY Un y Regressive Prog -looking model f didnt work out d X-Wind still k take ihey want ta inated -Wind rec iments simplifying Theoretically dire vertical raft turned vings airp nes during flight med wt-lIve if. mbutp ixiso fn* nded flat turns craft road Ii ed irough steps entional aircraft ru erse yaw effects fr iner X-WIi inI vator keep desired lied neutral just enou stawlity maintain enouj se up 941 Left us light has almost attained level wings opposite aileron rudder re lax up elevator Whew No wonder takes long mas ter RC flying Now think about turn vehicle side force available Turn steer ing mechanism until desired heading attained neutralize Thats Youve turned caror airplaneas easily fish water Did ever see fish bank turn Which method turning easier understand accomplish side force force future did come used aeronautics going first experimental use side force aeronautics far know Ryan Navion early 1970s As re ported January 1974 issue Air Prog ress parts wings Schweitzer glider mounted Navions wings near center-of-gravity vertical wings actively controlled cancel effects crosswind during landings Later experiments F-16 fighter used side force generated vertical horizontal lifting surfaces achieve what called translated flight Mounted near center-of-gravity lifting surfaces al lowed plane turned verti cal horizontal displacement References use side force fighter aircraft can found AIAA Papers No 72-94 74-70 77-1119 During 1970s both Melpar corpora tion division E-Systems USAF Flight Dynamics Laboratory col laboration Don Lowe developed use side force terminal guidance RPVs remotely piloted vehicles Several experimental prototypes built Melpar showed dramatic improvement terminal accuracy Engineers also saw potential use side force simplifying autopi lots employed RPV control Melpar left RPV business before applica tion could tested Some researchers continued experiment ing side force RC flight home test vertical wings used ob solete Melpar RPV induce flat turns Years later concept tried fullscale aircraft called Sidewinder de signed turn banking An RC Scale model Sidewinder hangs AMA museum Though equipped 40 four-stroke engine full radio con trol has never flown According Executive Director Vince Mankowski scaled-down Sidewinder intrigues vis itors other model museum Further experiments RC simplification raised questions about earlier suc cesses Researchers found themContinued page 96 / - -I 7 w 130-lb E-130 remotely piloted vehicle RPV several exprlmntal prototypes built Melpar corporation 1970s Side force generators greatly improved terminal accuracy RPV strikes Melpar divialon E-Syatems no longer makes RPVs March 1991 95 tilt tell whether model coming going banking o fly does tightest loops field knife Ia 75 lb four-stroke 90 engine supplies pa x 12 maximum can built small board aer mounted opposite 90 four-stroker lend mean &her Melpars exprbr two activeie surfaces produced insu to achieve flat turns An uu use fuselage ambitious bat concept Pan designed built v modeler extr designed ny foot deep ta caled prototype box testing Dual Webra 60 8-lb prototype thrust high ratio thrust u sured model would lift its box takeoff Johnson designed airframe cepts C M Zimmerm War II Flying Flapjack design aspect ratio 11 span chord test flight prototyp successexcept frightened th gathered watch used flers twin Webras sorbed sound fin 96 V fitted Ropet ch So Pai box 1st wed mie d ran tway m prototype ought execute simple rtunately nthusiasm interest sits box ig another c w RPV shoa pinned lat-turning cap vertical wings X-Wind carry gyros hold winas n pitch tremendously diffi proverse turn After series weight using hooking up -r actually vertical began wonder whether flat turns worth trou o asked ourselves whether belearned fly flat turns have problems learning bank isl model realized tat drooped tips ols biplane terrific fun larto fly 75-lb model wing area wing loadpound per square foot 90 FS engine X-Wind ground climbs like rocket walk flaps deployed turns horizontally vertically indefinitely will turn ian other model dime give change mo uses geodesic modular con 4easuring 12 x 12 x 25 maxwing tail modules can board fuselage easily removable wing tips basic assembly 46 inches long 28 inches wide hes high compact airContinued page 185 George Manning order finish After months preparation three days intense competition finalists faced scrutlny judges other fliers weeks largest group specta tors Pressure seemed bring out best Chip Hyde swept final rounds break Hanno Prettners longtime monopoly grand champion title Chip flew like machine Prettner might have dif ficulty keeping pace awarded $25000 custom-made trophy About four feet high trophy decorated model airplane 24-carat gold Steve Rojecki came strong under heat climbing fourth place second $15000 prize money Wolfgang Matt dropped third place receiving $10000 Steve Stricker Bill Cunningham fin ished fourth fifth respectively Though pulled out stops finalists three-minute free-style pro gram finished same order last qualifying round Quique Somenzini came free-style champion Chip Hyde placing second Dave Von Linsowe finished third followed Steve Rojecki George Manning Quique awarded $5000 Chip $3000 Dave $1000 Bill Bennett chairman board Circus Circus Enterprises gave out prize checks trophies contest ended Sunday Tournament Champions owes its spectacular success largely sponsorUS AirCores I FOLD & FL YAIRPLANES CoroStar 40 Warbird Extraordinair AirCore 40 famIly Trainer Power Cartridge brochure $1200 vid1 1-800-336-0602 DOCUMENTATION SERVICE WORLDS BIGGEST SCALE PLANS & 70000 AIOOPEft 100000$ SI StOok NSA So1 AIN, SlAIN 100 PAGE CATALOG BRAN MaAIN VA. AmesVOIN NE ASIAN INiNIUNI-NIAN ship Circus Circus Mr Bennetts participation Bill earned gratitude contest Since elite biennial event does much promote model avia tion Bill also deserves gratitude ofusinthehobby X-Wind/Hunton Continued page 96 plane enough interest shown Model Aviation will publish plans X-Wind design Ed As experiment RC flight simplifica tion X-Wind unsuccessful reached out new frontiers modeland brought back something worth thinking about future advances RC autopilot technology X-Wind may yet lead way revolutionizing Radio Control models flown Incredible sounds learning fly RC could someday easy learning drive car Besides doesnt model aviation have calling experiment can forget Ri diculous Rich Porters outstanding Control Line model published July 1985 Mod el Aviation Plan No 480 Breakaway de signs like help keep hobby interest ing theyre never ridiculous IZ RC model able achieve flat turns learning fly would snap pipe dream say Maybe could happen someday John Hunton THE FINAL X-WIND design two sta bilizing gyros roll pitch expected gyros kept wings fuselage level times precessing lagging model AFTER YOU DID ALL THE WORK WHY LET YOUR AIRPLANE DO ALL THE FLYING INFO $300 BUILD & FLY THE miniMAX YOURSELF AWARDED Grand Champion Reserve Grand Champion Ultralight 1989 Sun-N-Fun Fly-In computer Oesigned 3 Axis Control N Part 103 UltralightEasy Construction * Wood Construction F TEAM INC BOX 338M BRADYvILLE TN 37026 615 765-5397 APC PROPELLERS Sound Supression Design High Thrust Efficiency Long Fiber Advanced Composite Material Proven Performance US Masters US Nationals Canadian Nationals World Championships Sports Sizes 57x3 7x3 7x4 7x5 7x6 7x7 7x8 7x9 7x10 $159 EACH Bx4 8x5 8x6 8x7 8x8 8x9 8x10$179EACH 9x4 9x5 9x7 9x8 9x8 8x10$199EACH 95x45 10x6 10x7 10x8 10x9 lOx 10.$229 EACH 11 xB 11 x7 11 x8 11 x9 $249EACH 12x6 12x7 12x8 $289EACH Competition 78x4 78x6 78x7 9x65 9x75 9x85.$395EACH 11 xlO 11 xli 11 x12 11 x 12W 11 x 13 11 x 14 12x9 12x9W 12x10 l2xlOWl2xlll2xllN 12x 12 12x12N 12x 13 l2x13N 12x 14 125x9 l25x10 125x11 125x12 13x9 13x10 9SEACH 135 x 125 135 x 14 14 x 8 14x 10 14x 12 14x 14 144x 105 144x 12 15x8 15x 10 15x 12 16x 8 16x 10 16x12$1295EACH Contact local hobby dealer Manoofactured ny Landing PrOdLCIG Knights Landing Calfornia March 1991 185 EEN FOAMAIREIHAIrILK 10 SPAN 30-33 LBS 50-7500 POWER 74 IN WING SPAN 6-7 LBS 45-60 POWER 10 SPAN 19-22 LBS 35-42CC POWER 5-10 LB PAYLOAD OPTIONAL SPREADER4 OH PLY FOAM AND BALSA WOODCHOOSE 3 OR 4 OH SLOW AND STABLE KIT $26995 SPDKiT$1995 T $69953 CH $14995 4 CH $16495 SEND $100 FOR CATALOGRT 1 NEODESIIA KS 66757 OF SAC KITS AND ACC325-2821 FREE SHIPPING ON KIT ORDERSseoASTERCARD could have revolutionized way begin-turn until ready come out youof dual instruction ner learns Radio Control flying dia-apply opposite aileron opposite rudderINSTRUCTOR Are saying e follows strictly fiction some-against proverse yaw relax up el-BEGINNER Yes Im going solo now day may have technology make itevator return controls neutral theyou want give some dual instruc factwings level power back cruisetion later E BEGINNER Want buy trainer ACT ACT II year laterRC Soaring/Blakeslee BEGINNER Hello Can Imy new RCContinued page 49 flyBEGINNER Hello Can fly new trainer hereCrosswind extruded toam cores cut actual INSTRUCTOR Have flown beforeINSTRUCTOR Have flown beforeairfoil cross section Glass skins add about 01 BEGINNER NoBEGINNER Noinches total thickness cant cut foam INSTRUCTOR Sorry Youll need manyINSTRUCTOR Sorry youll need manythat accuracy dont worry about hours dual instruction before can flyhours dual instruction before can flywings cut panel ie multiyour trainer yourselfyour model yourselfsweep-back leading edgeBB join BEGINNER itthat hard toNotto instruc- spray adhesive Dont use epoxy other hard reallyflyBEGINNERaccordingglues since will cutting sanding INSTRUCTOR Yep Take basic turn ex ample have input aileron control tions just few lines Let joints dont want anything solid read youresist direction turn put Instructions fly Crosswind Once wing panels joined use hot some up elevator compensate loss go up pull right stick back lift because lift vector wings isTo go down push right stick forward now tilted respect vertical AndTo turn right push right stick good fliers add rudder compensate ad- right verse yawand great fliers add littleTo turn left posh right stick left power compensate extra drag go faster push left stick forward control inputs To go slower pull left stick back neutralize aileron proper INSTRUCTOR ridiculous let bank angle established continue fly check out BEGINNER No wait in-THE BEST IN SCALE LATNESstruction saysOver 25 Years Service PRECISION INSTRUMENTS'Note Crosswind can flown MILLS METALS BOOKSanyone Youthrough the%fS~sPlans Epoxy Glass Kits COMPLETE CATALOG $200almoststeer itairScale Docanteneasine L. y beginner can fly Crosswind intui-Winners atK a.i5. $400 lOGOs items CejJust way steer car ground itish Magazine Plans 5prmnqf1O OH 41551tivel An experienced RChoweverToledo-Master Interents & mareDUIUIUU 13 32 8562pilotBob will able fly hoursHolman Box 141 San Bernardino CA 92402 4 VINYLWRITE CUSTOM LEITERING Providing elegant time saving economical finishing touch modelers EZ TO APPLY ering comes prespaced prealignedsaving hours cutting fuss Th decals text custom corn uter cut 3M aligning individual letters ese cast vinyl 2 mu thin olors pe styles including Military B k igh NOW AVAILABLE Stencil asColor Outlining Premiumoc Priced right no minimum charge Eg AMA plus number ~PROTh7vE RACKINGAMAYOURE DONE1pack & sample ITS FREE P5ELOFFThECARRIERTAPE1high 2high plus $125P&H orders processed upon recjitSTEP BACK ADMIRE YOUR WORK Call write complete info VIF4YLWEITE CUSTOM LEllERING tom Letter Today 16043 Tulsa Streetj Granada Hills CA 91344--------- VINYLWRITE Way 818 363-7131 Noon 6PM Pacific order CA add tax 186 Model Aviation
Edition: Model Aviation - 1991/03
Page Numbers: 94, 95, 96, 185, 186
a thasto ire ad aL inno powered lone drivii John t ODDITY Un y Regressive Prog -looking model f didnt work out d X-Wind still k take ihey want ta inated -Wind rec iments simplifying Theoretically dire vertical raft turned vings airp nes during flight med wt-lIve if. mbutp ixiso fn* nded flat turns craft road Ii ed irough steps entional aircraft ru erse yaw effects fr iner X-WIi inI vator keep desired lied neutral just enou stawlity maintain enouj se up 941 Left us light has almost attained level wings opposite aileron rudder re lax up elevator Whew No wonder takes long mas ter RC flying Now think about turn vehicle side force available Turn steer ing mechanism until desired heading attained neutralize Thats Youve turned caror airplaneas easily fish water Did ever see fish bank turn Which method turning easier understand accomplish side force force future did come used aeronautics going first experimental use side force aeronautics far know Ryan Navion early 1970s As re ported January 1974 issue Air Prog ress parts wings Schweitzer glider mounted Navions wings near center-of-gravity vertical wings actively controlled cancel effects crosswind during landings Later experiments F-16 fighter used side force generated vertical horizontal lifting surfaces achieve what called translated flight Mounted near center-of-gravity lifting surfaces al lowed plane turned verti cal horizontal displacement References use side force fighter aircraft can found AIAA Papers No 72-94 74-70 77-1119 During 1970s both Melpar corpora tion division E-Systems USAF Flight Dynamics Laboratory col laboration Don Lowe developed use side force terminal guidance RPVs remotely piloted vehicles Several experimental prototypes built Melpar showed dramatic improvement terminal accuracy Engineers also saw potential use side force simplifying autopi lots employed RPV control Melpar left RPV business before applica tion could tested Some researchers continued experiment ing side force RC flight home test vertical wings used ob solete Melpar RPV induce flat turns Years later concept tried fullscale aircraft called Sidewinder de signed turn banking An RC Scale model Sidewinder hangs AMA museum Though equipped 40 four-stroke engine full radio con trol has never flown According Executive Director Vince Mankowski scaled-down Sidewinder intrigues vis itors other model museum Further experiments RC simplification raised questions about earlier suc cesses Researchers found themContinued page 96 / - -I 7 w 130-lb E-130 remotely piloted vehicle RPV several exprlmntal prototypes built Melpar corporation 1970s Side force generators greatly improved terminal accuracy RPV strikes Melpar divialon E-Syatems no longer makes RPVs March 1991 95 tilt tell whether model coming going banking o fly does tightest loops field knife Ia 75 lb four-stroke 90 engine supplies pa x 12 maximum can built small board aer mounted opposite 90 four-stroker lend mean &her Melpars exprbr two activeie surfaces produced insu to achieve flat turns An uu use fuselage ambitious bat concept Pan designed built v modeler extr designed ny foot deep ta caled prototype box testing Dual Webra 60 8-lb prototype thrust high ratio thrust u sured model would lift its box takeoff Johnson designed airframe cepts C M Zimmerm War II Flying Flapjack design aspect ratio 11 span chord test flight prototyp successexcept frightened th gathered watch used flers twin Webras sorbed sound fin 96 V fitted Ropet ch So Pai box 1st wed mie d ran tway m prototype ought execute simple rtunately nthusiasm interest sits box ig another c w RPV shoa pinned lat-turning cap vertical wings X-Wind carry gyros hold winas n pitch tremendously diffi proverse turn After series weight using hooking up -r actually vertical began wonder whether flat turns worth trou o asked ourselves whether belearned fly flat turns have problems learning bank isl model realized tat drooped tips ols biplane terrific fun larto fly 75-lb model wing area wing loadpound per square foot 90 FS engine X-Wind ground climbs like rocket walk flaps deployed turns horizontally vertically indefinitely will turn ian other model dime give change mo uses geodesic modular con 4easuring 12 x 12 x 25 maxwing tail modules can board fuselage easily removable wing tips basic assembly 46 inches long 28 inches wide hes high compact airContinued page 185 George Manning order finish After months preparation three days intense competition finalists faced scrutlny judges other fliers weeks largest group specta tors Pressure seemed bring out best Chip Hyde swept final rounds break Hanno Prettners longtime monopoly grand champion title Chip flew like machine Prettner might have dif ficulty keeping pace awarded $25000 custom-made trophy About four feet high trophy decorated model airplane 24-carat gold Steve Rojecki came strong under heat climbing fourth place second $15000 prize money Wolfgang Matt dropped third place receiving $10000 Steve Stricker Bill Cunningham fin ished fourth fifth respectively Though pulled out stops finalists three-minute free-style pro gram finished same order last qualifying round Quique Somenzini came free-style champion Chip Hyde placing second Dave Von Linsowe finished third followed Steve Rojecki George Manning Quique awarded $5000 Chip $3000 Dave $1000 Bill Bennett chairman board Circus Circus Enterprises gave out prize checks trophies contest ended Sunday Tournament Champions owes its spectacular success largely sponsorUS AirCores I FOLD & FL YAIRPLANES CoroStar 40 Warbird Extraordinair AirCore 40 famIly Trainer Power Cartridge brochure $1200 vid1 1-800-336-0602 DOCUMENTATION SERVICE WORLDS BIGGEST SCALE PLANS & 70000 AIOOPEft 100000$ SI StOok NSA So1 AIN, SlAIN 100 PAGE CATALOG BRAN MaAIN VA. AmesVOIN NE ASIAN INiNIUNI-NIAN ship Circus Circus Mr Bennetts participation Bill earned gratitude contest Since elite biennial event does much promote model avia tion Bill also deserves gratitude ofusinthehobby X-Wind/Hunton Continued page 96 plane enough interest shown Model Aviation will publish plans X-Wind design Ed As experiment RC flight simplifica tion X-Wind unsuccessful reached out new frontiers modeland brought back something worth thinking about future advances RC autopilot technology X-Wind may yet lead way revolutionizing Radio Control models flown Incredible sounds learning fly RC could someday easy learning drive car Besides doesnt model aviation have calling experiment can forget Ri diculous Rich Porters outstanding Control Line model published July 1985 Mod el Aviation Plan No 480 Breakaway de signs like help keep hobby interest ing theyre never ridiculous IZ RC model able achieve flat turns learning fly would snap pipe dream say Maybe could happen someday John Hunton THE FINAL X-WIND design two sta bilizing gyros roll pitch expected gyros kept wings fuselage level times precessing lagging model AFTER YOU DID ALL THE WORK WHY LET YOUR AIRPLANE DO ALL THE FLYING INFO $300 BUILD & FLY THE miniMAX YOURSELF AWARDED Grand Champion Reserve Grand Champion Ultralight 1989 Sun-N-Fun Fly-In computer Oesigned 3 Axis Control N Part 103 UltralightEasy Construction * Wood Construction F TEAM INC BOX 338M BRADYvILLE TN 37026 615 765-5397 APC PROPELLERS Sound Supression Design High Thrust Efficiency Long Fiber Advanced Composite Material Proven Performance US Masters US Nationals Canadian Nationals World Championships Sports Sizes 57x3 7x3 7x4 7x5 7x6 7x7 7x8 7x9 7x10 $159 EACH Bx4 8x5 8x6 8x7 8x8 8x9 8x10$179EACH 9x4 9x5 9x7 9x8 9x8 8x10$199EACH 95x45 10x6 10x7 10x8 10x9 lOx 10.$229 EACH 11 xB 11 x7 11 x8 11 x9 $249EACH 12x6 12x7 12x8 $289EACH Competition 78x4 78x6 78x7 9x65 9x75 9x85.$395EACH 11 xlO 11 xli 11 x12 11 x 12W 11 x 13 11 x 14 12x9 12x9W 12x10 l2xlOWl2xlll2xllN 12x 12 12x12N 12x 13 l2x13N 12x 14 125x9 l25x10 125x11 125x12 13x9 13x10 9SEACH 135 x 125 135 x 14 14 x 8 14x 10 14x 12 14x 14 144x 105 144x 12 15x8 15x 10 15x 12 16x 8 16x 10 16x12$1295EACH Contact local hobby dealer Manoofactured ny Landing PrOdLCIG Knights Landing Calfornia March 1991 185 EEN FOAMAIREIHAIrILK 10 SPAN 30-33 LBS 50-7500 POWER 74 IN WING SPAN 6-7 LBS 45-60 POWER 10 SPAN 19-22 LBS 35-42CC POWER 5-10 LB PAYLOAD OPTIONAL SPREADER4 OH PLY FOAM AND BALSA WOODCHOOSE 3 OR 4 OH SLOW AND STABLE KIT $26995 SPDKiT$1995 T $69953 CH $14995 4 CH $16495 SEND $100 FOR CATALOGRT 1 NEODESIIA KS 66757 OF SAC KITS AND ACC325-2821 FREE SHIPPING ON KIT ORDERSseoASTERCARD could have revolutionized way begin-turn until ready come out youof dual instruction ner learns Radio Control flying dia-apply opposite aileron opposite rudderINSTRUCTOR Are saying e follows strictly fiction some-against proverse yaw relax up el-BEGINNER Yes Im going solo now day may have technology make itevator return controls neutral theyou want give some dual instruc factwings level power back cruisetion later E BEGINNER Want buy trainer ACT ACT II year laterRC Soaring/Blakeslee BEGINNER Hello Can Imy new RCContinued page 49 flyBEGINNER Hello Can fly new trainer hereCrosswind extruded toam cores cut actual INSTRUCTOR Have flown beforeINSTRUCTOR Have flown beforeairfoil cross section Glass skins add about 01 BEGINNER NoBEGINNER Noinches total thickness cant cut foam INSTRUCTOR Sorry Youll need manyINSTRUCTOR Sorry youll need manythat accuracy dont worry about hours dual instruction before can flyhours dual instruction before can flywings cut panel ie multiyour trainer yourselfyour model yourselfsweep-back leading edgeBB join BEGINNER itthat hard toNotto instruc- spray adhesive Dont use epoxy other hard reallyflyBEGINNERaccordingglues since will cutting sanding INSTRUCTOR Yep Take basic turn ex ample have input aileron control tions just few lines Let joints dont want anything solid read youresist direction turn put Instructions fly Crosswind Once wing panels joined use hot some up elevator compensate loss go up pull right stick back lift because lift vector wings isTo go down push right stick forward now tilted respect vertical AndTo turn right push right stick good fliers add rudder compensate ad- right verse yawand great fliers add littleTo turn left posh right stick left power compensate extra drag go faster push left stick forward control inputs To go slower pull left stick back neutralize aileron proper INSTRUCTOR ridiculous let bank angle established continue fly check out BEGINNER No wait in-THE BEST IN SCALE LATNESstruction saysOver 25 Years Service PRECISION INSTRUMENTS'Note Crosswind can flown MILLS METALS BOOKSanyone Youthrough the%fS~sPlans Epoxy Glass Kits COMPLETE CATALOG $200almoststeer itairScale Docanteneasine L. y beginner can fly Crosswind intui-Winners atK a.i5. $400 lOGOs items CejJust way steer car ground itish Magazine Plans 5prmnqf1O OH 41551tivel An experienced RChoweverToledo-Master Interents & mareDUIUIUU 13 32 8562pilotBob will able fly hoursHolman Box 141 San Bernardino CA 92402 4 VINYLWRITE CUSTOM LEITERING Providing elegant time saving economical finishing touch modelers EZ TO APPLY ering comes prespaced prealignedsaving hours cutting fuss Th decals text custom corn uter cut 3M aligning individual letters ese cast vinyl 2 mu thin olors pe styles including Military B k igh NOW AVAILABLE Stencil asColor Outlining Premiumoc Priced right no minimum charge Eg AMA plus number ~PROTh7vE RACKINGAMAYOURE DONE1pack & sample ITS FREE P5ELOFFThECARRIERTAPE1high 2high plus $125P&H orders processed upon recjitSTEP BACK ADMIRE YOUR WORK Call write complete info VIF4YLWEITE CUSTOM LEllERING tom Letter Today 16043 Tulsa Streetj Granada Hills CA 91344--------- VINYLWRITE Way 818 363-7131 Noon 6PM Pacific order CA add tax 186 Model Aviation
Edition: Model Aviation - 1991/03
Page Numbers: 94, 95, 96, 185, 186
a thasto ire ad aL inno powered lone drivii John t ODDITY Un y Regressive Prog -looking model f didnt work out d X-Wind still k take ihey want ta inated -Wind rec iments simplifying Theoretically dire vertical raft turned vings airp nes during flight med wt-lIve if. mbutp ixiso fn* nded flat turns craft road Ii ed irough steps entional aircraft ru erse yaw effects fr iner X-WIi inI vator keep desired lied neutral just enou stawlity maintain enouj se up 941 Left us light has almost attained level wings opposite aileron rudder re lax up elevator Whew No wonder takes long mas ter RC flying Now think about turn vehicle side force available Turn steer ing mechanism until desired heading attained neutralize Thats Youve turned caror airplaneas easily fish water Did ever see fish bank turn Which method turning easier understand accomplish side force force future did come used aeronautics going first experimental use side force aeronautics far know Ryan Navion early 1970s As re ported January 1974 issue Air Prog ress parts wings Schweitzer glider mounted Navions wings near center-of-gravity vertical wings actively controlled cancel effects crosswind during landings Later experiments F-16 fighter used side force generated vertical horizontal lifting surfaces achieve what called translated flight Mounted near center-of-gravity lifting surfaces al lowed plane turned verti cal horizontal displacement References use side force fighter aircraft can found AIAA Papers No 72-94 74-70 77-1119 During 1970s both Melpar corpora tion division E-Systems USAF Flight Dynamics Laboratory col laboration Don Lowe developed use side force terminal guidance RPVs remotely piloted vehicles Several experimental prototypes built Melpar showed dramatic improvement terminal accuracy Engineers also saw potential use side force simplifying autopi lots employed RPV control Melpar left RPV business before applica tion could tested Some researchers continued experiment ing side force RC flight home test vertical wings used ob solete Melpar RPV induce flat turns Years later concept tried fullscale aircraft called Sidewinder de signed turn banking An RC Scale model Sidewinder hangs AMA museum Though equipped 40 four-stroke engine full radio con trol has never flown According Executive Director Vince Mankowski scaled-down Sidewinder intrigues vis itors other model museum Further experiments RC simplification raised questions about earlier suc cesses Researchers found themContinued page 96 / - -I 7 w 130-lb E-130 remotely piloted vehicle RPV several exprlmntal prototypes built Melpar corporation 1970s Side force generators greatly improved terminal accuracy RPV strikes Melpar divialon E-Syatems no longer makes RPVs March 1991 95 tilt tell whether model coming going banking o fly does tightest loops field knife Ia 75 lb four-stroke 90 engine supplies pa x 12 maximum can built small board aer mounted opposite 90 four-stroker lend mean &her Melpars exprbr two activeie surfaces produced insu to achieve flat turns An uu use fuselage ambitious bat concept Pan designed built v modeler extr designed ny foot deep ta caled prototype box testing Dual Webra 60 8-lb prototype thrust high ratio thrust u sured model would lift its box takeoff Johnson designed airframe cepts C M Zimmerm War II Flying Flapjack design aspect ratio 11 span chord test flight prototyp successexcept frightened th gathered watch used flers twin Webras sorbed sound fin 96 V fitted Ropet ch So Pai box 1st wed mie d ran tway m prototype ought execute simple rtunately nthusiasm interest sits box ig another c w RPV shoa pinned lat-turning cap vertical wings X-Wind carry gyros hold winas n pitch tremendously diffi proverse turn After series weight using hooking up -r actually vertical began wonder whether flat turns worth trou o asked ourselves whether belearned fly flat turns have problems learning bank isl model realized tat drooped tips ols biplane terrific fun larto fly 75-lb model wing area wing loadpound per square foot 90 FS engine X-Wind ground climbs like rocket walk flaps deployed turns horizontally vertically indefinitely will turn ian other model dime give change mo uses geodesic modular con 4easuring 12 x 12 x 25 maxwing tail modules can board fuselage easily removable wing tips basic assembly 46 inches long 28 inches wide hes high compact airContinued page 185 George Manning order finish After months preparation three days intense competition finalists faced scrutlny judges other fliers weeks largest group specta tors Pressure seemed bring out best Chip Hyde swept final rounds break Hanno Prettners longtime monopoly grand champion title Chip flew like machine Prettner might have dif ficulty keeping pace awarded $25000 custom-made trophy About four feet high trophy decorated model airplane 24-carat gold Steve Rojecki came strong under heat climbing fourth place second $15000 prize money Wolfgang Matt dropped third place receiving $10000 Steve Stricker Bill Cunningham fin ished fourth fifth respectively Though pulled out stops finalists three-minute free-style pro gram finished same order last qualifying round Quique Somenzini came free-style champion Chip Hyde placing second Dave Von Linsowe finished third followed Steve Rojecki George Manning Quique awarded $5000 Chip $3000 Dave $1000 Bill Bennett chairman board Circus Circus Enterprises gave out prize checks trophies contest ended Sunday Tournament Champions owes its spectacular success largely sponsorUS AirCores I FOLD & FL YAIRPLANES CoroStar 40 Warbird Extraordinair AirCore 40 famIly Trainer Power Cartridge brochure $1200 vid1 1-800-336-0602 DOCUMENTATION SERVICE WORLDS BIGGEST SCALE PLANS & 70000 AIOOPEft 100000$ SI StOok NSA So1 AIN, SlAIN 100 PAGE CATALOG BRAN MaAIN VA. AmesVOIN NE ASIAN INiNIUNI-NIAN ship Circus Circus Mr Bennetts participation Bill earned gratitude contest Since elite biennial event does much promote model avia tion Bill also deserves gratitude ofusinthehobby X-Wind/Hunton Continued page 96 plane enough interest shown Model Aviation will publish plans X-Wind design Ed As experiment RC flight simplifica tion X-Wind unsuccessful reached out new frontiers modeland brought back something worth thinking about future advances RC autopilot technology X-Wind may yet lead way revolutionizing Radio Control models flown Incredible sounds learning fly RC could someday easy learning drive car Besides doesnt model aviation have calling experiment can forget Ri diculous Rich Porters outstanding Control Line model published July 1985 Mod el Aviation Plan No 480 Breakaway de signs like help keep hobby interest ing theyre never ridiculous IZ RC model able achieve flat turns learning fly would snap pipe dream say Maybe could happen someday John Hunton THE FINAL X-WIND design two sta bilizing gyros roll pitch expected gyros kept wings fuselage level times precessing lagging model AFTER YOU DID ALL THE WORK WHY LET YOUR AIRPLANE DO ALL THE FLYING INFO $300 BUILD & FLY THE miniMAX YOURSELF AWARDED Grand Champion Reserve Grand Champion Ultralight 1989 Sun-N-Fun Fly-In computer Oesigned 3 Axis Control N Part 103 UltralightEasy Construction * Wood Construction F TEAM INC BOX 338M BRADYvILLE TN 37026 615 765-5397 APC PROPELLERS Sound Supression Design High Thrust Efficiency Long Fiber Advanced Composite Material Proven Performance US Masters US Nationals Canadian Nationals World Championships Sports Sizes 57x3 7x3 7x4 7x5 7x6 7x7 7x8 7x9 7x10 $159 EACH Bx4 8x5 8x6 8x7 8x8 8x9 8x10$179EACH 9x4 9x5 9x7 9x8 9x8 8x10$199EACH 95x45 10x6 10x7 10x8 10x9 lOx 10.$229 EACH 11 xB 11 x7 11 x8 11 x9 $249EACH 12x6 12x7 12x8 $289EACH Competition 78x4 78x6 78x7 9x65 9x75 9x85.$395EACH 11 xlO 11 xli 11 x12 11 x 12W 11 x 13 11 x 14 12x9 12x9W 12x10 l2xlOWl2xlll2xllN 12x 12 12x12N 12x 13 l2x13N 12x 14 125x9 l25x10 125x11 125x12 13x9 13x10 9SEACH 135 x 125 135 x 14 14 x 8 14x 10 14x 12 14x 14 144x 105 144x 12 15x8 15x 10 15x 12 16x 8 16x 10 16x12$1295EACH Contact local hobby dealer Manoofactured ny Landing PrOdLCIG Knights Landing Calfornia March 1991 185 EEN FOAMAIREIHAIrILK 10 SPAN 30-33 LBS 50-7500 POWER 74 IN WING SPAN 6-7 LBS 45-60 POWER 10 SPAN 19-22 LBS 35-42CC POWER 5-10 LB PAYLOAD OPTIONAL SPREADER4 OH PLY FOAM AND BALSA WOODCHOOSE 3 OR 4 OH SLOW AND STABLE KIT $26995 SPDKiT$1995 T $69953 CH $14995 4 CH $16495 SEND $100 FOR CATALOGRT 1 NEODESIIA KS 66757 OF SAC KITS AND ACC325-2821 FREE SHIPPING ON KIT ORDERSseoASTERCARD could have revolutionized way begin-turn until ready come out youof dual instruction ner learns Radio Control flying dia-apply opposite aileron opposite rudderINSTRUCTOR Are saying e follows strictly fiction some-against proverse yaw relax up el-BEGINNER Yes Im going solo now day may have technology make itevator return controls neutral theyou want give some dual instruc factwings level power back cruisetion later E BEGINNER Want buy trainer ACT ACT II year laterRC Soaring/Blakeslee BEGINNER Hello Can Imy new RCContinued page 49 flyBEGINNER Hello Can fly new trainer hereCrosswind extruded toam cores cut actual INSTRUCTOR Have flown beforeINSTRUCTOR Have flown beforeairfoil cross section Glass skins add about 01 BEGINNER NoBEGINNER Noinches total thickness cant cut foam INSTRUCTOR Sorry Youll need manyINSTRUCTOR Sorry youll need manythat accuracy dont worry about hours dual instruction before can flyhours dual instruction before can flywings cut panel ie multiyour trainer yourselfyour model yourselfsweep-back leading edgeBB join BEGINNER itthat hard toNotto instruc- spray adhesive Dont use epoxy other hard reallyflyBEGINNERaccordingglues since will cutting sanding INSTRUCTOR Yep Take basic turn ex ample have input aileron control tions just few lines Let joints dont want anything solid read youresist direction turn put Instructions fly Crosswind Once wing panels joined use hot some up elevator compensate loss go up pull right stick back lift because lift vector wings isTo go down push right stick forward now tilted respect vertical AndTo turn right push right stick good fliers add rudder compensate ad- right verse yawand great fliers add littleTo turn left posh right stick left power compensate extra drag go faster push left stick forward control inputs To go slower pull left stick back neutralize aileron proper INSTRUCTOR ridiculous let bank angle established continue fly check out BEGINNER No wait in-THE BEST IN SCALE LATNESstruction saysOver 25 Years Service PRECISION INSTRUMENTS'Note Crosswind can flown MILLS METALS BOOKSanyone Youthrough the%fS~sPlans Epoxy Glass Kits COMPLETE CATALOG $200almoststeer itairScale Docanteneasine L. y beginner can fly Crosswind intui-Winners atK a.i5. $400 lOGOs items CejJust way steer car ground itish Magazine Plans 5prmnqf1O OH 41551tivel An experienced RChoweverToledo-Master Interents & mareDUIUIUU 13 32 8562pilotBob will able fly hoursHolman Box 141 San Bernardino CA 92402 4 VINYLWRITE CUSTOM LEITERING Providing elegant time saving economical finishing touch modelers EZ TO APPLY ering comes prespaced prealignedsaving hours cutting fuss Th decals text custom corn uter cut 3M aligning individual letters ese cast vinyl 2 mu thin olors pe styles including Military B k igh NOW AVAILABLE Stencil asColor Outlining Premiumoc Priced right no minimum charge Eg AMA plus number ~PROTh7vE RACKINGAMAYOURE DONE1pack & sample ITS FREE P5ELOFFThECARRIERTAPE1high 2high plus $125P&H orders processed upon recjitSTEP BACK ADMIRE YOUR WORK Call write complete info VIF4YLWEITE CUSTOM LEllERING tom Letter Today 16043 Tulsa Streetj Granada Hills CA 91344--------- VINYLWRITE Way 818 363-7131 Noon 6PM Pacific order CA add tax 186 Model Aviation
Edition: Model Aviation - 1991/03
Page Numbers: 94, 95, 96, 185, 186
a thasto ire ad aL inno powered lone drivii John t ODDITY Un y Regressive Prog -looking model f didnt work out d X-Wind still k take ihey want ta inated -Wind rec iments simplifying Theoretically dire vertical raft turned vings airp nes during flight med wt-lIve if. mbutp ixiso fn* nded flat turns craft road Ii ed irough steps entional aircraft ru erse yaw effects fr iner X-WIi inI vator keep desired lied neutral just enou stawlity maintain enouj se up 941 Left us light has almost attained level wings opposite aileron rudder re lax up elevator Whew No wonder takes long mas ter RC flying Now think about turn vehicle side force available Turn steer ing mechanism until desired heading attained neutralize Thats Youve turned caror airplaneas easily fish water Did ever see fish bank turn Which method turning easier understand accomplish side force force future did come used aeronautics going first experimental use side force aeronautics far know Ryan Navion early 1970s As re ported January 1974 issue Air Prog ress parts wings Schweitzer glider mounted Navions wings near center-of-gravity vertical wings actively controlled cancel effects crosswind during landings Later experiments F-16 fighter used side force generated vertical horizontal lifting surfaces achieve what called translated flight Mounted near center-of-gravity lifting surfaces al lowed plane turned verti cal horizontal displacement References use side force fighter aircraft can found AIAA Papers No 72-94 74-70 77-1119 During 1970s both Melpar corpora tion division E-Systems USAF Flight Dynamics Laboratory col laboration Don Lowe developed use side force terminal guidance RPVs remotely piloted vehicles Several experimental prototypes built Melpar showed dramatic improvement terminal accuracy Engineers also saw potential use side force simplifying autopi lots employed RPV control Melpar left RPV business before applica tion could tested Some researchers continued experiment ing side force RC flight home test vertical wings used ob solete Melpar RPV induce flat turns Years later concept tried fullscale aircraft called Sidewinder de signed turn banking An RC Scale model Sidewinder hangs AMA museum Though equipped 40 four-stroke engine full radio con trol has never flown According Executive Director Vince Mankowski scaled-down Sidewinder intrigues vis itors other model museum Further experiments RC simplification raised questions about earlier suc cesses Researchers found themContinued page 96 / - -I 7 w 130-lb E-130 remotely piloted vehicle RPV several exprlmntal prototypes built Melpar corporation 1970s Side force generators greatly improved terminal accuracy RPV strikes Melpar divialon E-Syatems no longer makes RPVs March 1991 95 tilt tell whether model coming going banking o fly does tightest loops field knife Ia 75 lb four-stroke 90 engine supplies pa x 12 maximum can built small board aer mounted opposite 90 four-stroker lend mean &her Melpars exprbr two activeie surfaces produced insu to achieve flat turns An uu use fuselage ambitious bat concept Pan designed built v modeler extr designed ny foot deep ta caled prototype box testing Dual Webra 60 8-lb prototype thrust high ratio thrust u sured model would lift its box takeoff Johnson designed airframe cepts C M Zimmerm War II Flying Flapjack design aspect ratio 11 span chord test flight prototyp successexcept frightened th gathered watch used flers twin Webras sorbed sound fin 96 V fitted Ropet ch So Pai box 1st wed mie d ran tway m prototype ought execute simple rtunately nthusiasm interest sits box ig another c w RPV shoa pinned lat-turning cap vertical wings X-Wind carry gyros hold winas n pitch tremendously diffi proverse turn After series weight using hooking up -r actually vertical began wonder whether flat turns worth trou o asked ourselves whether belearned fly flat turns have problems learning bank isl model realized tat drooped tips ols biplane terrific fun larto fly 75-lb model wing area wing loadpound per square foot 90 FS engine X-Wind ground climbs like rocket walk flaps deployed turns horizontally vertically indefinitely will turn ian other model dime give change mo uses geodesic modular con 4easuring 12 x 12 x 25 maxwing tail modules can board fuselage easily removable wing tips basic assembly 46 inches long 28 inches wide hes high compact airContinued page 185 George Manning order finish After months preparation three days intense competition finalists faced scrutlny judges other fliers weeks largest group specta tors Pressure seemed bring out best Chip Hyde swept final rounds break Hanno Prettners longtime monopoly grand champion title Chip flew like machine Prettner might have dif ficulty keeping pace awarded $25000 custom-made trophy About four feet high trophy decorated model airplane 24-carat gold Steve Rojecki came strong under heat climbing fourth place second $15000 prize money Wolfgang Matt dropped third place receiving $10000 Steve Stricker Bill Cunningham fin ished fourth fifth respectively Though pulled out stops finalists three-minute free-style pro gram finished same order last qualifying round Quique Somenzini came free-style champion Chip Hyde placing second Dave Von Linsowe finished third followed Steve Rojecki George Manning Quique awarded $5000 Chip $3000 Dave $1000 Bill Bennett chairman board Circus Circus Enterprises gave out prize checks trophies contest ended Sunday Tournament Champions owes its spectacular success largely sponsorUS AirCores I FOLD & FL YAIRPLANES CoroStar 40 Warbird Extraordinair AirCore 40 famIly Trainer Power Cartridge brochure $1200 vid1 1-800-336-0602 DOCUMENTATION SERVICE WORLDS BIGGEST SCALE PLANS & 70000 AIOOPEft 100000$ SI StOok NSA So1 AIN, SlAIN 100 PAGE CATALOG BRAN MaAIN VA. AmesVOIN NE ASIAN INiNIUNI-NIAN ship Circus Circus Mr Bennetts participation Bill earned gratitude contest Since elite biennial event does much promote model avia tion Bill also deserves gratitude ofusinthehobby X-Wind/Hunton Continued page 96 plane enough interest shown Model Aviation will publish plans X-Wind design Ed As experiment RC flight simplifica tion X-Wind unsuccessful reached out new frontiers modeland brought back something worth thinking about future advances RC autopilot technology X-Wind may yet lead way revolutionizing Radio Control models flown Incredible sounds learning fly RC could someday easy learning drive car Besides doesnt model aviation have calling experiment can forget Ri diculous Rich Porters outstanding Control Line model published July 1985 Mod el Aviation Plan No 480 Breakaway de signs like help keep hobby interest ing theyre never ridiculous IZ RC model able achieve flat turns learning fly would snap pipe dream say Maybe could happen someday John Hunton THE FINAL X-WIND design two sta bilizing gyros roll pitch expected gyros kept wings fuselage level times precessing lagging model AFTER YOU DID ALL THE WORK WHY LET YOUR AIRPLANE DO ALL THE FLYING INFO $300 BUILD & FLY THE miniMAX YOURSELF AWARDED Grand Champion Reserve Grand Champion Ultralight 1989 Sun-N-Fun Fly-In computer Oesigned 3 Axis Control N Part 103 UltralightEasy Construction * Wood Construction F TEAM INC BOX 338M BRADYvILLE TN 37026 615 765-5397 APC PROPELLERS Sound Supression Design High Thrust Efficiency Long Fiber Advanced Composite Material Proven Performance US Masters US Nationals Canadian Nationals World Championships Sports Sizes 57x3 7x3 7x4 7x5 7x6 7x7 7x8 7x9 7x10 $159 EACH Bx4 8x5 8x6 8x7 8x8 8x9 8x10$179EACH 9x4 9x5 9x7 9x8 9x8 8x10$199EACH 95x45 10x6 10x7 10x8 10x9 lOx 10.$229 EACH 11 xB 11 x7 11 x8 11 x9 $249EACH 12x6 12x7 12x8 $289EACH Competition 78x4 78x6 78x7 9x65 9x75 9x85.$395EACH 11 xlO 11 xli 11 x12 11 x 12W 11 x 13 11 x 14 12x9 12x9W 12x10 l2xlOWl2xlll2xllN 12x 12 12x12N 12x 13 l2x13N 12x 14 125x9 l25x10 125x11 125x12 13x9 13x10 9SEACH 135 x 125 135 x 14 14 x 8 14x 10 14x 12 14x 14 144x 105 144x 12 15x8 15x 10 15x 12 16x 8 16x 10 16x12$1295EACH Contact local hobby dealer Manoofactured ny Landing PrOdLCIG Knights Landing Calfornia March 1991 185 EEN FOAMAIREIHAIrILK 10 SPAN 30-33 LBS 50-7500 POWER 74 IN WING SPAN 6-7 LBS 45-60 POWER 10 SPAN 19-22 LBS 35-42CC POWER 5-10 LB PAYLOAD OPTIONAL SPREADER4 OH PLY FOAM AND BALSA WOODCHOOSE 3 OR 4 OH SLOW AND STABLE KIT $26995 SPDKiT$1995 T $69953 CH $14995 4 CH $16495 SEND $100 FOR CATALOGRT 1 NEODESIIA KS 66757 OF SAC KITS AND ACC325-2821 FREE SHIPPING ON KIT ORDERSseoASTERCARD could have revolutionized way begin-turn until ready come out youof dual instruction ner learns Radio Control flying dia-apply opposite aileron opposite rudderINSTRUCTOR Are saying e follows strictly fiction some-against proverse yaw relax up el-BEGINNER Yes Im going solo now day may have technology make itevator return controls neutral theyou want give some dual instruc factwings level power back cruisetion later E BEGINNER Want buy trainer ACT ACT II year laterRC Soaring/Blakeslee BEGINNER Hello Can Imy new RCContinued page 49 flyBEGINNER Hello Can fly new trainer hereCrosswind extruded toam cores cut actual INSTRUCTOR Have flown beforeINSTRUCTOR Have flown beforeairfoil cross section Glass skins add about 01 BEGINNER NoBEGINNER Noinches total thickness cant cut foam INSTRUCTOR Sorry Youll need manyINSTRUCTOR Sorry youll need manythat accuracy dont worry about hours dual instruction before can flyhours dual instruction before can flywings cut panel ie multiyour trainer yourselfyour model yourselfsweep-back leading edgeBB join BEGINNER itthat hard toNotto instruc- spray adhesive Dont use epoxy other hard reallyflyBEGINNERaccordingglues since will cutting sanding INSTRUCTOR Yep Take basic turn ex ample have input aileron control tions just few lines Let joints dont want anything solid read youresist direction turn put Instructions fly Crosswind Once wing panels joined use hot some up elevator compensate loss go up pull right stick back lift because lift vector wings isTo go down push right stick forward now tilted respect vertical AndTo turn right push right stick good fliers add rudder compensate ad- right verse yawand great fliers add littleTo turn left posh right stick left power compensate extra drag go faster push left stick forward control inputs To go slower pull left stick back neutralize aileron proper INSTRUCTOR ridiculous let bank angle established continue fly check out BEGINNER No wait in-THE BEST IN SCALE LATNESstruction saysOver 25 Years Service PRECISION INSTRUMENTS'Note Crosswind can flown MILLS METALS BOOKSanyone Youthrough the%fS~sPlans Epoxy Glass Kits COMPLETE CATALOG $200almoststeer itairScale Docanteneasine L. y beginner can fly Crosswind intui-Winners atK a.i5. $400 lOGOs items CejJust way steer car ground itish Magazine Plans 5prmnqf1O OH 41551tivel An experienced RChoweverToledo-Master Interents & mareDUIUIUU 13 32 8562pilotBob will able fly hoursHolman Box 141 San Bernardino CA 92402 4 VINYLWRITE CUSTOM LEITERING Providing elegant time saving economical finishing touch modelers EZ TO APPLY ering comes prespaced prealignedsaving hours cutting fuss Th decals text custom corn uter cut 3M aligning individual letters ese cast vinyl 2 mu thin olors pe styles including Military B k igh NOW AVAILABLE Stencil asColor Outlining Premiumoc Priced right no minimum charge Eg AMA plus number ~PROTh7vE RACKINGAMAYOURE DONE1pack & sample ITS FREE P5ELOFFThECARRIERTAPE1high 2high plus $125P&H orders processed upon recjitSTEP BACK ADMIRE YOUR WORK Call write complete info VIF4YLWEITE CUSTOM LEllERING tom Letter Today 16043 Tulsa Streetj Granada Hills CA 91344--------- VINYLWRITE Way 818 363-7131 Noon 6PM Pacific order CA add tax 186 Model Aviation
Edition: Model Aviation - 1991/03
Page Numbers: 94, 95, 96, 185, 186
a thasto ire ad aL inno powered lone drivii John t ODDITY Un y Regressive Prog -looking model f didnt work out d X-Wind still k take ihey want ta inated -Wind rec iments simplifying Theoretically dire vertical raft turned vings airp nes during flight med wt-lIve if. mbutp ixiso fn* nded flat turns craft road Ii ed irough steps entional aircraft ru erse yaw effects fr iner X-WIi inI vator keep desired lied neutral just enou stawlity maintain enouj se up 941 Left us light has almost attained level wings opposite aileron rudder re lax up elevator Whew No wonder takes long mas ter RC flying Now think about turn vehicle side force available Turn steer ing mechanism until desired heading attained neutralize Thats Youve turned caror airplaneas easily fish water Did ever see fish bank turn Which method turning easier understand accomplish side force force future did come used aeronautics going first experimental use side force aeronautics far know Ryan Navion early 1970s As re ported January 1974 issue Air Prog ress parts wings Schweitzer glider mounted Navions wings near center-of-gravity vertical wings actively controlled cancel effects crosswind during landings Later experiments F-16 fighter used side force generated vertical horizontal lifting surfaces achieve what called translated flight Mounted near center-of-gravity lifting surfaces al lowed plane turned verti cal horizontal displacement References use side force fighter aircraft can found AIAA Papers No 72-94 74-70 77-1119 During 1970s both Melpar corpora tion division E-Systems USAF Flight Dynamics Laboratory col laboration Don Lowe developed use side force terminal guidance RPVs remotely piloted vehicles Several experimental prototypes built Melpar showed dramatic improvement terminal accuracy Engineers also saw potential use side force simplifying autopi lots employed RPV control Melpar left RPV business before applica tion could tested Some researchers continued experiment ing side force RC flight home test vertical wings used ob solete Melpar RPV induce flat turns Years later concept tried fullscale aircraft called Sidewinder de signed turn banking An RC Scale model Sidewinder hangs AMA museum Though equipped 40 four-stroke engine full radio con trol has never flown According Executive Director Vince Mankowski scaled-down Sidewinder intrigues vis itors other model museum Further experiments RC simplification raised questions about earlier suc cesses Researchers found themContinued page 96 / - -I 7 w 130-lb E-130 remotely piloted vehicle RPV several exprlmntal prototypes built Melpar corporation 1970s Side force generators greatly improved terminal accuracy RPV strikes Melpar divialon E-Syatems no longer makes RPVs March 1991 95 tilt tell whether model coming going banking o fly does tightest loops field knife Ia 75 lb four-stroke 90 engine supplies pa x 12 maximum can built small board aer mounted opposite 90 four-stroker lend mean &her Melpars exprbr two activeie surfaces produced insu to achieve flat turns An uu use fuselage ambitious bat concept Pan designed built v modeler extr designed ny foot deep ta caled prototype box testing Dual Webra 60 8-lb prototype thrust high ratio thrust u sured model would lift its box takeoff Johnson designed airframe cepts C M Zimmerm War II Flying Flapjack design aspect ratio 11 span chord test flight prototyp successexcept frightened th gathered watch used flers twin Webras sorbed sound fin 96 V fitted Ropet ch So Pai box 1st wed mie d ran tway m prototype ought execute simple rtunately nthusiasm interest sits box ig another c w RPV shoa pinned lat-turning cap vertical wings X-Wind carry gyros hold winas n pitch tremendously diffi proverse turn After series weight using hooking up -r actually vertical began wonder whether flat turns worth trou o asked ourselves whether belearned fly flat turns have problems learning bank isl model realized tat drooped tips ols biplane terrific fun larto fly 75-lb model wing area wing loadpound per square foot 90 FS engine X-Wind ground climbs like rocket walk flaps deployed turns horizontally vertically indefinitely will turn ian other model dime give change mo uses geodesic modular con 4easuring 12 x 12 x 25 maxwing tail modules can board fuselage easily removable wing tips basic assembly 46 inches long 28 inches wide hes high compact airContinued page 185 George Manning order finish After months preparation three days intense competition finalists faced scrutlny judges other fliers weeks largest group specta tors Pressure seemed bring out best Chip Hyde swept final rounds break Hanno Prettners longtime monopoly grand champion title Chip flew like machine Prettner might have dif ficulty keeping pace awarded $25000 custom-made trophy About four feet high trophy decorated model airplane 24-carat gold Steve Rojecki came strong under heat climbing fourth place second $15000 prize money Wolfgang Matt dropped third place receiving $10000 Steve Stricker Bill Cunningham fin ished fourth fifth respectively Though pulled out stops finalists three-minute free-style pro gram finished same order last qualifying round Quique Somenzini came free-style champion Chip Hyde placing second Dave Von Linsowe finished third followed Steve Rojecki George Manning Quique awarded $5000 Chip $3000 Dave $1000 Bill Bennett chairman board Circus Circus Enterprises gave out prize checks trophies contest ended Sunday Tournament Champions owes its spectacular success largely sponsorUS AirCores I FOLD & FL YAIRPLANES CoroStar 40 Warbird Extraordinair AirCore 40 famIly Trainer Power Cartridge brochure $1200 vid1 1-800-336-0602 DOCUMENTATION SERVICE WORLDS BIGGEST SCALE PLANS & 70000 AIOOPEft 100000$ SI StOok NSA So1 AIN, SlAIN 100 PAGE CATALOG BRAN MaAIN VA. AmesVOIN NE ASIAN INiNIUNI-NIAN ship Circus Circus Mr Bennetts participation Bill earned gratitude contest Since elite biennial event does much promote model avia tion Bill also deserves gratitude ofusinthehobby X-Wind/Hunton Continued page 96 plane enough interest shown Model Aviation will publish plans X-Wind design Ed As experiment RC flight simplifica tion X-Wind unsuccessful reached out new frontiers modeland brought back something worth thinking about future advances RC autopilot technology X-Wind may yet lead way revolutionizing Radio Control models flown Incredible sounds learning fly RC could someday easy learning drive car Besides doesnt model aviation have calling experiment can forget Ri diculous Rich Porters outstanding Control Line model published July 1985 Mod el Aviation Plan No 480 Breakaway de signs like help keep hobby interest ing theyre never ridiculous IZ RC model able achieve flat turns learning fly would snap pipe dream say Maybe could happen someday John Hunton THE FINAL X-WIND design two sta bilizing gyros roll pitch expected gyros kept wings fuselage level times precessing lagging model AFTER YOU DID ALL THE WORK WHY LET YOUR AIRPLANE DO ALL THE FLYING INFO $300 BUILD & FLY THE miniMAX YOURSELF AWARDED Grand Champion Reserve Grand Champion Ultralight 1989 Sun-N-Fun Fly-In computer Oesigned 3 Axis Control N Part 103 UltralightEasy Construction * Wood Construction F TEAM INC BOX 338M BRADYvILLE TN 37026 615 765-5397 APC PROPELLERS Sound Supression Design High Thrust Efficiency Long Fiber Advanced Composite Material Proven Performance US Masters US Nationals Canadian Nationals World Championships Sports Sizes 57x3 7x3 7x4 7x5 7x6 7x7 7x8 7x9 7x10 $159 EACH Bx4 8x5 8x6 8x7 8x8 8x9 8x10$179EACH 9x4 9x5 9x7 9x8 9x8 8x10$199EACH 95x45 10x6 10x7 10x8 10x9 lOx 10.$229 EACH 11 xB 11 x7 11 x8 11 x9 $249EACH 12x6 12x7 12x8 $289EACH Competition 78x4 78x6 78x7 9x65 9x75 9x85.$395EACH 11 xlO 11 xli 11 x12 11 x 12W 11 x 13 11 x 14 12x9 12x9W 12x10 l2xlOWl2xlll2xllN 12x 12 12x12N 12x 13 l2x13N 12x 14 125x9 l25x10 125x11 125x12 13x9 13x10 9SEACH 135 x 125 135 x 14 14 x 8 14x 10 14x 12 14x 14 144x 105 144x 12 15x8 15x 10 15x 12 16x 8 16x 10 16x12$1295EACH Contact local hobby dealer Manoofactured ny Landing PrOdLCIG Knights Landing Calfornia March 1991 185 EEN FOAMAIREIHAIrILK 10 SPAN 30-33 LBS 50-7500 POWER 74 IN WING SPAN 6-7 LBS 45-60 POWER 10 SPAN 19-22 LBS 35-42CC POWER 5-10 LB PAYLOAD OPTIONAL SPREADER4 OH PLY FOAM AND BALSA WOODCHOOSE 3 OR 4 OH SLOW AND STABLE KIT $26995 SPDKiT$1995 T $69953 CH $14995 4 CH $16495 SEND $100 FOR CATALOGRT 1 NEODESIIA KS 66757 OF SAC KITS AND ACC325-2821 FREE SHIPPING ON KIT ORDERSseoASTERCARD could have revolutionized way begin-turn until ready come out youof dual instruction ner learns Radio Control flying dia-apply opposite aileron opposite rudderINSTRUCTOR Are saying e follows strictly fiction some-against proverse yaw relax up el-BEGINNER Yes Im going solo now day may have technology make itevator return controls neutral theyou want give some dual instruc factwings level power back cruisetion later E BEGINNER Want buy trainer ACT ACT II year laterRC Soaring/Blakeslee BEGINNER Hello Can Imy new RCContinued page 49 flyBEGINNER Hello Can fly new trainer hereCrosswind extruded toam cores cut actual INSTRUCTOR Have flown beforeINSTRUCTOR Have flown beforeairfoil cross section Glass skins add about 01 BEGINNER NoBEGINNER Noinches total thickness cant cut foam INSTRUCTOR Sorry Youll need manyINSTRUCTOR Sorry youll need manythat accuracy dont worry about hours dual instruction before can flyhours dual instruction before can flywings cut panel ie multiyour trainer yourselfyour model yourselfsweep-back leading edgeBB join BEGINNER itthat hard toNotto instruc- spray adhesive Dont use epoxy other hard reallyflyBEGINNERaccordingglues since will cutting sanding INSTRUCTOR Yep Take basic turn ex ample have input aileron control tions just few lines Let joints dont want anything solid read youresist direction turn put Instructions fly Crosswind Once wing panels joined use hot some up elevator compensate loss go up pull right stick back lift because lift vector wings isTo go down push right stick forward now tilted respect vertical AndTo turn right push right stick good fliers add rudder compensate ad- right verse yawand great fliers add littleTo turn left posh right stick left power compensate extra drag go faster push left stick forward control inputs To go slower pull left stick back neutralize aileron proper INSTRUCTOR ridiculous let bank angle established continue fly check out BEGINNER No wait in-THE BEST IN SCALE LATNESstruction saysOver 25 Years Service PRECISION INSTRUMENTS'Note Crosswind can flown MILLS METALS BOOKSanyone Youthrough the%fS~sPlans Epoxy Glass Kits COMPLETE CATALOG $200almoststeer itairScale Docanteneasine L. y beginner can fly Crosswind intui-Winners atK a.i5. $400 lOGOs items CejJust way steer car ground itish Magazine Plans 5prmnqf1O OH 41551tivel An experienced RChoweverToledo-Master Interents & mareDUIUIUU 13 32 8562pilotBob will able fly hoursHolman Box 141 San Bernardino CA 92402 4 VINYLWRITE CUSTOM LEITERING Providing elegant time saving economical finishing touch modelers EZ TO APPLY ering comes prespaced prealignedsaving hours cutting fuss Th decals text custom corn uter cut 3M aligning individual letters ese cast vinyl 2 mu thin olors pe styles including Military B k igh NOW AVAILABLE Stencil asColor Outlining Premiumoc Priced right no minimum charge Eg AMA plus number ~PROTh7vE RACKINGAMAYOURE DONE1pack & sample ITS FREE P5ELOFFThECARRIERTAPE1high 2high plus $125P&H orders processed upon recjitSTEP BACK ADMIRE YOUR WORK Call write complete info VIF4YLWEITE CUSTOM LEllERING tom Letter Today 16043 Tulsa Streetj Granada Hills CA 91344--------- VINYLWRITE Way 818 363-7131 Noon 6PM Pacific order CA add tax 186 Model Aviation