Radio Control Sport Aerobatics RonVan Putte THAT SERVO tester covered December Model Aviation has created greatest response item has appeared column Unfort unately response mostly due having circuit schematic inadvertently left out original column partial schematic February issue errata correct appeared March issue Some people have written say have parts months still cant get schematic have copies original article includes schematic Id glad send anyone sends selfaddressed stamped envelope March 1978 column included discussion sources yaw associated rolling maneuvers generated substantial number letters too Most letters aeronautical en gineers took task about things mentioned column rather what printed prob lem column like RC fliers would unable understand unwilling read technically com plete discussion topics related aerodynamics flight mechanics sta bility control say either stupid apathetic Rather fliers either dont have special train ing areas dont really care know about airplanes fly way After dont know much about plumbing long can change faucet washer calling plumber its good enough point plan continue presentation simplified technical topics feel large percentage R/C fliers would interested anyone has topic might general interest please write about Last month mentioned use polyurethane varnish foam wing skins cores several advantages no disadvantages because polyurethane varnish wouldnt hurt styrofoam way Apparently wrong because modeler reported ap plied varnish core skin waited day applied Southern Sorghum both rolled skin core After about another day elapsed iced core become deformed sunken places taking skin wing completely useless Continued page 86 June 1978 25 An eye-popping display WRAMS Show 2-lb piggyback Saracen flying wing glider atop 7-lb. OS 60-powered Panther imagineering credit Steve Hangartner Yet another highlight eastern Mecca Dick sarpolus u Magnum ultra-sleek twin powered two K&B 65 cc engines pipes Its fairly big judge span 76 Intricate decoration Midwest Mach 1 black acrylic lacquer handiwork Duane Neefe Exhibited WRAMS Show beautiful craft implies reliability modern RC came FAST Club Southern California $14124 $45000 sale airplane neckties made Dolly Wischer Three color patches being sold support 1978 Scale Team Price $150 three $400 available Bob Underwood 4109 Concord Oaks Dr St Louis MO 63128 Scale Documentation Source Gene Thomas Classic Models has come up unprecedented innovation documentation booklets fur nished kits Heath Parasol Heath Baby Bullet Church Midwing kits will made two sizes Peanut 1 scale 3 scale kit plane will follow booklets contain 3-view drawings photos cutaways color schemes detail sketches showing ternal structure Also included brief history planes booklets available separately $200 Classic Models PO Box 681 Melville NY 11746 Ready made documentation would make life too easy modelers Bob Wiseher Ri 1 S-221 Lap/iam Peak Road Delafield WI 53018 R C Aerobatics VanPutte continued page 25 varnish purchased has solvent will destroy foam covered too soon because core looked perfect ready cover day af ter painted polyure thane varnish have no problems Sears polyurethane varnish no matter soon wing skin applied after using varnish So suggest either us ing Sears polyurethane varnish testing other brands scrap foam before trying wing word out Southern R/C products going stop pro duction balsa fuselage kits due high price and/or unavailability quality balsa Pensacola Florida-based firm will expand fiberglass fuselage kit line now includes Rhett Millers Compensator Steve Helms Bootlegger Ron Chidgeys Tiger Tail Three hope also produce glass fuselage-foam wing verision Alley Kat because consider best intermediate trainer-sport airplane designs ever produced new Master class pattern rules have almost everyone involved Master pattern somewhat confused emotional Some competitors downright incensed over dramatic change rules caught everyone surprise Others delighted bright prospects see competition class new rules probably neither good nor bad currently being viewed big problem faces contest directors competitors infant contest season What now have already received contest flyers several clubs announce will use 1976/1977 rules classes attitude makes sense since rules decisions regarding what pattern will flown Expert Master class com petitors hasnt made Contest Board time written other hand some contest direct ors recognizing some form new FAI Masters pattern will ap proved AMA competition year have decided use modified schedule am contest director Jim Kirkland Memorial contest sched uled May 6 7th vacillating over approach use After long telephone call Don Lowe present Paris new pattern formulated decided use modified form new pattern Don swung argument favor new pattern admitting cant convince old friend use new pattern can hope convince stranger use Kirkland Memorial has always used abbreviated patterns order get least four rounds competition 86 Model Aviation discarded Apparently brand polyurethane large number contestants always attend Beginner Novice Advanced Expert pattern will 1976/ 1977 rules Master pattern will include set ten maneuvers including takeoff landing total 260 possible points contestant will able choose maneuvers Schedule B Extra Maneuvers Only Figure M will used reasoning setting point limit 260 follows both Schedule B maneuvers have K-factor av erage 27 Takeoff Landing subtracted An abbreviated pattern ten maneuvers would total 240 including Takeoff Landing maneuvers 27 K-factor average selected Boost ing maximum possible points 260 encourages selection difficult Extra Maneuvers top level pattern com petitors like new Master pattern maneuvers Some maneuvers disliked simply because very dif ficult will require lot work mas ter dont agree argument few years ago Double lmmelmann very difficult maneuver compet itors rates K-factor two new list Everyone can good Double lmmelmann days except few us new maneuvers very challenging can performed top level competitors flying conventional pattern airplanes willing invest effort However some new maneuvers Master class popular because place premium very light highpowered airplanes encourage another horsepower race compet itive airplanes will feature very costly Schnuerle-ported rear-exhaust engines tuned pipes agree argu ment against maneuvers Despite above arguments still possible Master competitor select high K-factor maneuvers likes still competitive using con ventional pattern airplane havent begun assess new Master pattern means will very interesting see looks us end 1978 competition year Ron Van Puue 12 Connie Drive Shalimar FL 32579 RC Soaring/Pruss continued page 28 soaring free entry fee enthusi asts California has now extended Florida fliers See next year Results Unlimited 1st Jeff MrlikAstro Jeff 2nd Pat FlynnAstro Maggie 3rd Ken BatesOriginal Standard 1st Warren TiahrtSD 100 2nd Dave LeachAquila 3rd Walt HillAquila Jr-Sr 1st Chris CorvenOriginal 2nd Mike CampbellWindlord Side notes. ndard Class outnum bered Unlimited two reversal couple years ago. reliability radios Snofly temperatures concern few years ago year failure occured attributed inter ference tip hat manufactu rers providing us equipment dependable New Product Bill Mueller Hemet California comes announce ment new winch now available called Hi Flight 12 Quoting Bills claims Hi Flight 12 powered conventional 12-volt automotive battery unique fact single foot control allows flier choose slow medium high winch speed speed may varied continuously through launch dictated glider size wind conditions Low speed typically used line tensioning launching light air craft under windy conditions Medium speed will launch Standard Class sailplanes no wind conditions Unlimited ships breezy conditions High speed will launch heaviest Unlimited Class sail plane ease An isolation switch proJune1978 87
Edition: Model Aviation - 1978/06
Page Numbers: 25, 86, 87
Radio Control Sport Aerobatics RonVan Putte THAT SERVO tester covered December Model Aviation has created greatest response item has appeared column Unfort unately response mostly due having circuit schematic inadvertently left out original column partial schematic February issue errata correct appeared March issue Some people have written say have parts months still cant get schematic have copies original article includes schematic Id glad send anyone sends selfaddressed stamped envelope March 1978 column included discussion sources yaw associated rolling maneuvers generated substantial number letters too Most letters aeronautical en gineers took task about things mentioned column rather what printed prob lem column like RC fliers would unable understand unwilling read technically com plete discussion topics related aerodynamics flight mechanics sta bility control say either stupid apathetic Rather fliers either dont have special train ing areas dont really care know about airplanes fly way After dont know much about plumbing long can change faucet washer calling plumber its good enough point plan continue presentation simplified technical topics feel large percentage R/C fliers would interested anyone has topic might general interest please write about Last month mentioned use polyurethane varnish foam wing skins cores several advantages no disadvantages because polyurethane varnish wouldnt hurt styrofoam way Apparently wrong because modeler reported ap plied varnish core skin waited day applied Southern Sorghum both rolled skin core After about another day elapsed iced core become deformed sunken places taking skin wing completely useless Continued page 86 June 1978 25 An eye-popping display WRAMS Show 2-lb piggyback Saracen flying wing glider atop 7-lb. OS 60-powered Panther imagineering credit Steve Hangartner Yet another highlight eastern Mecca Dick sarpolus u Magnum ultra-sleek twin powered two K&B 65 cc engines pipes Its fairly big judge span 76 Intricate decoration Midwest Mach 1 black acrylic lacquer handiwork Duane Neefe Exhibited WRAMS Show beautiful craft implies reliability modern RC came FAST Club Southern California $14124 $45000 sale airplane neckties made Dolly Wischer Three color patches being sold support 1978 Scale Team Price $150 three $400 available Bob Underwood 4109 Concord Oaks Dr St Louis MO 63128 Scale Documentation Source Gene Thomas Classic Models has come up unprecedented innovation documentation booklets fur nished kits Heath Parasol Heath Baby Bullet Church Midwing kits will made two sizes Peanut 1 scale 3 scale kit plane will follow booklets contain 3-view drawings photos cutaways color schemes detail sketches showing ternal structure Also included brief history planes booklets available separately $200 Classic Models PO Box 681 Melville NY 11746 Ready made documentation would make life too easy modelers Bob Wiseher Ri 1 S-221 Lap/iam Peak Road Delafield WI 53018 R C Aerobatics VanPutte continued page 25 varnish purchased has solvent will destroy foam covered too soon because core looked perfect ready cover day af ter painted polyure thane varnish have no problems Sears polyurethane varnish no matter soon wing skin applied after using varnish So suggest either us ing Sears polyurethane varnish testing other brands scrap foam before trying wing word out Southern R/C products going stop pro duction balsa fuselage kits due high price and/or unavailability quality balsa Pensacola Florida-based firm will expand fiberglass fuselage kit line now includes Rhett Millers Compensator Steve Helms Bootlegger Ron Chidgeys Tiger Tail Three hope also produce glass fuselage-foam wing verision Alley Kat because consider best intermediate trainer-sport airplane designs ever produced new Master class pattern rules have almost everyone involved Master pattern somewhat confused emotional Some competitors downright incensed over dramatic change rules caught everyone surprise Others delighted bright prospects see competition class new rules probably neither good nor bad currently being viewed big problem faces contest directors competitors infant contest season What now have already received contest flyers several clubs announce will use 1976/1977 rules classes attitude makes sense since rules decisions regarding what pattern will flown Expert Master class com petitors hasnt made Contest Board time written other hand some contest direct ors recognizing some form new FAI Masters pattern will ap proved AMA competition year have decided use modified schedule am contest director Jim Kirkland Memorial contest sched uled May 6 7th vacillating over approach use After long telephone call Don Lowe present Paris new pattern formulated decided use modified form new pattern Don swung argument favor new pattern admitting cant convince old friend use new pattern can hope convince stranger use Kirkland Memorial has always used abbreviated patterns order get least four rounds competition 86 Model Aviation discarded Apparently brand polyurethane large number contestants always attend Beginner Novice Advanced Expert pattern will 1976/ 1977 rules Master pattern will include set ten maneuvers including takeoff landing total 260 possible points contestant will able choose maneuvers Schedule B Extra Maneuvers Only Figure M will used reasoning setting point limit 260 follows both Schedule B maneuvers have K-factor av erage 27 Takeoff Landing subtracted An abbreviated pattern ten maneuvers would total 240 including Takeoff Landing maneuvers 27 K-factor average selected Boost ing maximum possible points 260 encourages selection difficult Extra Maneuvers top level pattern com petitors like new Master pattern maneuvers Some maneuvers disliked simply because very dif ficult will require lot work mas ter dont agree argument few years ago Double lmmelmann very difficult maneuver compet itors rates K-factor two new list Everyone can good Double lmmelmann days except few us new maneuvers very challenging can performed top level competitors flying conventional pattern airplanes willing invest effort However some new maneuvers Master class popular because place premium very light highpowered airplanes encourage another horsepower race compet itive airplanes will feature very costly Schnuerle-ported rear-exhaust engines tuned pipes agree argu ment against maneuvers Despite above arguments still possible Master competitor select high K-factor maneuvers likes still competitive using con ventional pattern airplane havent begun assess new Master pattern means will very interesting see looks us end 1978 competition year Ron Van Puue 12 Connie Drive Shalimar FL 32579 RC Soaring/Pruss continued page 28 soaring free entry fee enthusi asts California has now extended Florida fliers See next year Results Unlimited 1st Jeff MrlikAstro Jeff 2nd Pat FlynnAstro Maggie 3rd Ken BatesOriginal Standard 1st Warren TiahrtSD 100 2nd Dave LeachAquila 3rd Walt HillAquila Jr-Sr 1st Chris CorvenOriginal 2nd Mike CampbellWindlord Side notes. ndard Class outnum bered Unlimited two reversal couple years ago. reliability radios Snofly temperatures concern few years ago year failure occured attributed inter ference tip hat manufactu rers providing us equipment dependable New Product Bill Mueller Hemet California comes announce ment new winch now available called Hi Flight 12 Quoting Bills claims Hi Flight 12 powered conventional 12-volt automotive battery unique fact single foot control allows flier choose slow medium high winch speed speed may varied continuously through launch dictated glider size wind conditions Low speed typically used line tensioning launching light air craft under windy conditions Medium speed will launch Standard Class sailplanes no wind conditions Unlimited ships breezy conditions High speed will launch heaviest Unlimited Class sail plane ease An isolation switch proJune1978 87
Edition: Model Aviation - 1978/06
Page Numbers: 25, 86, 87
Radio Control Sport Aerobatics RonVan Putte THAT SERVO tester covered December Model Aviation has created greatest response item has appeared column Unfort unately response mostly due having circuit schematic inadvertently left out original column partial schematic February issue errata correct appeared March issue Some people have written say have parts months still cant get schematic have copies original article includes schematic Id glad send anyone sends selfaddressed stamped envelope March 1978 column included discussion sources yaw associated rolling maneuvers generated substantial number letters too Most letters aeronautical en gineers took task about things mentioned column rather what printed prob lem column like RC fliers would unable understand unwilling read technically com plete discussion topics related aerodynamics flight mechanics sta bility control say either stupid apathetic Rather fliers either dont have special train ing areas dont really care know about airplanes fly way After dont know much about plumbing long can change faucet washer calling plumber its good enough point plan continue presentation simplified technical topics feel large percentage R/C fliers would interested anyone has topic might general interest please write about Last month mentioned use polyurethane varnish foam wing skins cores several advantages no disadvantages because polyurethane varnish wouldnt hurt styrofoam way Apparently wrong because modeler reported ap plied varnish core skin waited day applied Southern Sorghum both rolled skin core After about another day elapsed iced core become deformed sunken places taking skin wing completely useless Continued page 86 June 1978 25 An eye-popping display WRAMS Show 2-lb piggyback Saracen flying wing glider atop 7-lb. OS 60-powered Panther imagineering credit Steve Hangartner Yet another highlight eastern Mecca Dick sarpolus u Magnum ultra-sleek twin powered two K&B 65 cc engines pipes Its fairly big judge span 76 Intricate decoration Midwest Mach 1 black acrylic lacquer handiwork Duane Neefe Exhibited WRAMS Show beautiful craft implies reliability modern RC came FAST Club Southern California $14124 $45000 sale airplane neckties made Dolly Wischer Three color patches being sold support 1978 Scale Team Price $150 three $400 available Bob Underwood 4109 Concord Oaks Dr St Louis MO 63128 Scale Documentation Source Gene Thomas Classic Models has come up unprecedented innovation documentation booklets fur nished kits Heath Parasol Heath Baby Bullet Church Midwing kits will made two sizes Peanut 1 scale 3 scale kit plane will follow booklets contain 3-view drawings photos cutaways color schemes detail sketches showing ternal structure Also included brief history planes booklets available separately $200 Classic Models PO Box 681 Melville NY 11746 Ready made documentation would make life too easy modelers Bob Wiseher Ri 1 S-221 Lap/iam Peak Road Delafield WI 53018 R C Aerobatics VanPutte continued page 25 varnish purchased has solvent will destroy foam covered too soon because core looked perfect ready cover day af ter painted polyure thane varnish have no problems Sears polyurethane varnish no matter soon wing skin applied after using varnish So suggest either us ing Sears polyurethane varnish testing other brands scrap foam before trying wing word out Southern R/C products going stop pro duction balsa fuselage kits due high price and/or unavailability quality balsa Pensacola Florida-based firm will expand fiberglass fuselage kit line now includes Rhett Millers Compensator Steve Helms Bootlegger Ron Chidgeys Tiger Tail Three hope also produce glass fuselage-foam wing verision Alley Kat because consider best intermediate trainer-sport airplane designs ever produced new Master class pattern rules have almost everyone involved Master pattern somewhat confused emotional Some competitors downright incensed over dramatic change rules caught everyone surprise Others delighted bright prospects see competition class new rules probably neither good nor bad currently being viewed big problem faces contest directors competitors infant contest season What now have already received contest flyers several clubs announce will use 1976/1977 rules classes attitude makes sense since rules decisions regarding what pattern will flown Expert Master class com petitors hasnt made Contest Board time written other hand some contest direct ors recognizing some form new FAI Masters pattern will ap proved AMA competition year have decided use modified schedule am contest director Jim Kirkland Memorial contest sched uled May 6 7th vacillating over approach use After long telephone call Don Lowe present Paris new pattern formulated decided use modified form new pattern Don swung argument favor new pattern admitting cant convince old friend use new pattern can hope convince stranger use Kirkland Memorial has always used abbreviated patterns order get least four rounds competition 86 Model Aviation discarded Apparently brand polyurethane large number contestants always attend Beginner Novice Advanced Expert pattern will 1976/ 1977 rules Master pattern will include set ten maneuvers including takeoff landing total 260 possible points contestant will able choose maneuvers Schedule B Extra Maneuvers Only Figure M will used reasoning setting point limit 260 follows both Schedule B maneuvers have K-factor av erage 27 Takeoff Landing subtracted An abbreviated pattern ten maneuvers would total 240 including Takeoff Landing maneuvers 27 K-factor average selected Boost ing maximum possible points 260 encourages selection difficult Extra Maneuvers top level pattern com petitors like new Master pattern maneuvers Some maneuvers disliked simply because very dif ficult will require lot work mas ter dont agree argument few years ago Double lmmelmann very difficult maneuver compet itors rates K-factor two new list Everyone can good Double lmmelmann days except few us new maneuvers very challenging can performed top level competitors flying conventional pattern airplanes willing invest effort However some new maneuvers Master class popular because place premium very light highpowered airplanes encourage another horsepower race compet itive airplanes will feature very costly Schnuerle-ported rear-exhaust engines tuned pipes agree argu ment against maneuvers Despite above arguments still possible Master competitor select high K-factor maneuvers likes still competitive using con ventional pattern airplane havent begun assess new Master pattern means will very interesting see looks us end 1978 competition year Ron Van Puue 12 Connie Drive Shalimar FL 32579 RC Soaring/Pruss continued page 28 soaring free entry fee enthusi asts California has now extended Florida fliers See next year Results Unlimited 1st Jeff MrlikAstro Jeff 2nd Pat FlynnAstro Maggie 3rd Ken BatesOriginal Standard 1st Warren TiahrtSD 100 2nd Dave LeachAquila 3rd Walt HillAquila Jr-Sr 1st Chris CorvenOriginal 2nd Mike CampbellWindlord Side notes. ndard Class outnum bered Unlimited two reversal couple years ago. reliability radios Snofly temperatures concern few years ago year failure occured attributed inter ference tip hat manufactu rers providing us equipment dependable New Product Bill Mueller Hemet California comes announce ment new winch now available called Hi Flight 12 Quoting Bills claims Hi Flight 12 powered conventional 12-volt automotive battery unique fact single foot control allows flier choose slow medium high winch speed speed may varied continuously through launch dictated glider size wind conditions Low speed typically used line tensioning launching light air craft under windy conditions Medium speed will launch Standard Class sailplanes no wind conditions Unlimited ships breezy conditions High speed will launch heaviest Unlimited Class sail plane ease An isolation switch proJune1978 87