S vnwsflrst new weight distance-to-specta tors/guidelines Giant Scale models Watch out forthe props CL models tall grass/weeds dont go together well U John Preston GIANT SCALE Recent AMA Executive Council action has established 55 lb 65 ft figures represent new weight limit model seeking coverage under AMA liability insurance policy distance separating spectators edge flying area models over 20 lb being flown numbers specified AMA Exec utive Council its meeting Arlington VA June 26 1982 action reported September AMA News section its first page However feel subject sufficient importance discussed well Although able attend June 26th Executive Council meeting part day subject Giant Models Airworthiness introduced District VI VII VPs respec tively did come up until after dinner hour Another commitment prevented con tinued attendance learned decision next day groundbreaking ceremony new AMA HQ Reston VA logic upper weight limit 55 lb comes existing rule applies neighbors Canada understand restricts Cana dian modelers maximum model weight 25 kg Since Giant Scalers both countries frequently attend others Fly-ins logical decision part Council es tablish similar limit US 25 kg x 22 lb/kg 55 lb Whether 55 lb 25 kg appropriate choice foranupperweight limit depends point view As result previous discussion about weight limits models June 1982 issue received quite bundle mail person felt strongly about subject alone wrote us over 15 letters Only person has far stated favor having no upper weight limit writer stated Regulation cur tails experimentation Deregulation propagates developments letter concluded stating Lets keep going bigger faster better smaller lighter slower thats thing Like stated previously its point view wrote suggestions weight limit low 11 lb several sug gested 20 lb two clubs voted previous 40-lb limit person wants no limit go suggestion live Council decision 55 lb see what happens personally believe very generous limit unable build satisfying model within limit suggest try joining EAA Ultralight organization examined some Ultralights last weekend 20th Anniversary celebration Dulles ternational Airport Its guess could built much money some models weve seenand probably lot less time regard Council decision separa tion 65 ft between flying spectators sure rationale presume must come AMA Voluntary Flying Site Specifications Standard recommends distance model flying fields Again some good logic having singie setback distance spectators site model approved AMA may flown gather number club newsletters weve read recently lot flying fields currently meet suggested requirement An increase distance say 100 ft IMAA suggested distance might make conforming flying field rarity subject airworthiness big models also discussed Council told no conclusions reached Perhaps appropriate topic discussion AMA Safety Committee committee created Executive Council some time ago has yet become active lack volunteer act chairman learned June 26th Council meeting Don Lowe has recently affirmed request act capacity ever due special assigument will available till November year wealth experience building flying both model aircraft RPVs think Don excellent choice head Safety Committee intend support him way possible Accident report Just two days after main text months column written learned tragic accident RC model being flown club field Arcola VA struck fatally injured club member According report Washington Post newspaper model ddenly went out control struck victim right side cnest. Death occurred during surgery nearby hospital attributed liver dam age internal hemorrhage newspaper report quoted county medical examiner having stated can described freak accident what have learned accident must agree statement does appear indication model being flown violation either club rules AMA Safety Code understanding model involved 60-size biplanea very popular kit has market years pilot experienced flier club field accident occurred well laid out plenty separation between parking area Continued page 14 12 Model Aviation K 1 1 fr MAYBE THERE SHOUL E IAJEI4T LIMIT FO McQELEK Still Using bid Fashioned Wing Hinges will gain cntrol efficiency by eliminating gap between moveable stationary control surfaces will amazed performance gained using simple inexpen sive improvement FREE MOVEMENT 450 STRONG AND LIGHTWEIGHT COMPLETELY FUELPROOF COMPATABLE WITH ALL IRON-ON MATERIALS COMES IN 3 FT LENGTHS SMALL 118 ORPRICE 3 ft $250 LARGE 114 EASY TO INSTALL 2 3 d CUT I/4 DEEP SLIT ALOe rAE FLEL LENGTH O THE M4TING SSPFACES NISTALL HINGEUSE STRAIGHT RW 70 M4KE SMaLL HOLE EVERY INCH DR SODRIP CYAMSNERYLATE GLUE IN HOLES CARtLARY AciSLW MLL CARRY GLUE ALONG ENTRIE JOINT FOR ADD/TONAL SAaJRITY INSERT SMALL PIN EVERY FEW INCHES CUT DIE FLUSH FILL AND SANG AS NEEDED FOR FINISHING Send Free Info fine products FOURMOST PRODUCTS 4040 24th Avenue Forest Grove OR 97116 ~NNON Quarter Midget NATs Win /II77 SUPERMIthA ustem After establishing new World Speed Record DAVE LATSHA Lemoyne Pa DOES IT AGAIN time Quarter Midget Rivets took high points 18 rounds hard flying NATs August 1981 win FIRST PLACE An outstanding performance pilot aircraft radio Quarter Midget Pylon Time 12709 SYSTEMS $23495 29295 4CH34995 5CH35995 WORLDS SMALLEST R/C SYSTEM ITEM indoor R/C electric 1/4 & 1/2A Schoolyard & Competition sailplanes 2 CH Competition Quarter Midgets & Sport 3 CH Aircraft thru 40 power *MICRO SERVO 47oz 50 4CH MICRO RX 54oz 8995 $16995 29 oz 20750 339 oz 24495 388 oz 24795 416 oz *MiCro Deans plug others $250 extra SHIPPING Systems $650 Flite Packs $450 Servos Rx VIS4$300 No CODs Calif add Sales Tax Brochure 60 US $170 Foreign Add 4-1/2% VisaMasterCard 13400-26 Sotlcoy StreetNorth Hollywood Calif 91605l21 g-oaJ pits flight line Only club members present field time accident happened despite positive factors Per haps could otherwise have worse case must continue urge clubs fliers use utmost care caution urge field locations layout use best possible safety considerations way can least reduce possibility accident perhaps reduce severity occurs Accident reports being compiled sev eral groups However needs understood because legal insurance factors position discuss column now Well say what can can meantime subject being ignoredit merely awaiting further developments seems hard write column safety some mention old friend enemy propeller previous column asked reader witnessed propeller-bladeshedding incident write tell us about purpose behind request try determine particular make style pre sented hazard another received about half dozen letters response enough make statistically valid con clusion Based letters can tell particularly careful operate piped 60 11 x 7 narrow-blade prop Two letters Pattern enthusiasts mentioned several inci dents witnessed both ground air combination stated such engine/pipe/prop setup would re sult 13-14000 rpm just may prop can take Apparently 11 x prop bad ask careful direction point model running up ground Whileyou might behind prop arc may others present pit area Also alert flying takes seconds shake model apart blade parts company hub air final word potential hazard props comes newsletter Gold Coast Radio Controllers edited Art Charlotte Johnson way story humorous least its about humorous incident involving injury could Read judge other winter fliers has Boca hospital often get sewed up last time told stuck hand air conditioner fan working afraid would cancel insurance encounter model prop keeps up will have scars hand will look like stuck pool full Piranhas Lest get accused talking about safety related RC models lets take look couple reports CL fliers Both builders Scale models has bearing safety Its just doesnt appear big following CL Scale used seems true world wide first story comes Bill Zimmer Varna IL points out hazard flying CL models areas high grass weeds fly CL have seen couple myself near-serious accidents flying off areas high grass own personal case years ago lines snagged some grass airplane turned circle just missed head airplane proContinued page 72 14 Model Aviation GAPLESS HiNGE SLOTTER Simplifies installation Gapless Hinges Makes Slots 4 Sizes ealsa t5 514 ICE $250 INDIAN CITY RADIO CONTROL CLUB Prents DETROIT EXPO IV Greater Michigan Modelers Show PLANES BOATS e CARS MANUFACTURERS STATIC bISPLAYS SWAP-SHOP October 123 1982 Eight Mile Artillery Armory Oak Park Michigan Info 6909 Monroe Blvd Taylor MI 48180 V E PACKS ii 72 Model Aviation Letters Editor Continued page 10 top being curved bottom air flows faster along smooth bottom creating high pressure area wing sucked up vacuum thus lifting whole plane prop moves pushing air past incredible force As plane moves air passes over wing faster creating lift horizontal stabilizer surfaces keep plane going right horizontal direction vertical stab area overcomes drag ailerons roll plane making lift go direction 143 sign up free drawing some interesting answers wouldnt say Among see future pilot modeling fullscale aviation maybe space pro gram John Sadler N Syracuse NY Florida Larks wonder would able print enclosed pictures Pitts House Balsa kit has K&B 61 power won Model Year LARKS club am president located Eustis-Tavares area Florida have about 35 members have just installed 350-ft clay runway other plane Sig Kavalier has K&B 61 front brakes Flies beautifully Earlier year LARKS banquet local restaurant privileged have Don Lowe now lives Florida guest speaker just super person Bill Nelson Leesburg FL Too bad cant print pictures color just original prints Theyre both beautWuL Safety Preston Continued page 14 ceeded fly across circle coming end lines ripped control system out airplane happen twice before wised up Ijudge CL Stunt events have seen lines get snagged once high grass weedy fields field grass cut short has dandelions other similar weeds stick ing up safety hazard flying CL models second CL correspondent related similar story about model turning circle al lowing lines go slack stated using safety thong attach handle wrist wonder other CL fliers forget about little item entering contest Again model crossed circle narrowly missing flier lines went tight again handle jerked com pletely out hand would have guessed CL model dragging its lines handle would have flown very far according informant took off like RC model went considerable distance before ending up tree As postscript might add Better tree house vehicle spectator Two final tales month will hope point out easy us make mistake could result accident first comes newsletter Yucalpa Valley RC Flyers person concerned shall remain anonymous thank him being too embarassed discuss incident clubs newsletter can explain last crash Well easywhen try something ex ceeds capability model second full-flap takeoff recently rebuilt Ugly Stik thought pulling off early doing max performance climbout would neat just didnt turn out way coefficient drag lots torque just plain no control ended up precarious high-angle-of-attack situation ended left turn pits Needless say reaction full aileron followed somewhat too late rudder can say what [did pretty dumb nothing else comes little confes sion may everyone learn mistake continue fly safely second tale confession writer could titled Destroy Battery Pack Back April checking battery packs see what usable com ing flying season flight pack consisting four 550 mAh cells quick-charge variety laid too long charge about dead elected give quick boost charger high rate leave overnight low rate before using discharger exam ine its condition guessed Twenty-four hours later after trip New York City suddenly remembered flight pack Talk about hoi feel lucky didnt burn down house think story points out frailty human mind least ever use high rate again will sure set alarm wristwatch Better still always use low rate record discharger cut off after six minutes cells now part Fairfax County dump poorer wiser cost four new cells Anyone else wishing share ~True Confessions Modeler drop us line Name address can withheld request John Preston 7012 Elvira Ct Falls Church VA 22042 NORTHERN CAUFORNIAS L&RGESTU SCOUNT HOBBY SHOPI I well FUELyou New high film strength IubncantN increased power engine lifeI Highest qualily ingredientsI on n rut varnish II II II II II II II II I LJI IHOURS Monday thru Wednesday Y3U-OJU Iflursdoy Ci I-naay 9aU-tUUI Saturday 930-600 Sunday 1200-500 mm m Nor Cal AcCfTAC AVIONKSS ACCU TACH 1 ITAL TACHOPI us get Gead. aCcurate dle thfU out Selecstment topend J ioOX jth dual capabiliWit precl ~reonics 2 iER VOLTMET state Determine 0afge eris Check out loa TXIRX e omboS tery 3oITOR CMARGs1eto Makes eaka bY safely ichafg pack volt signals ag6~ 95 ORDER YOURS NOW 79 Prepaid Send check money order no coDs NorCal AViONiCS Inc PO Box 70958 Sunnyvale CA 94088 Caihomia residents add 6% tax Add $300 shipping outside continental USA Dealer inquiries invited October 1982 73 SAFE FLYING IS NO ACCIDENT
Edition: Model Aviation - 1982/10
Page Numbers: 12, 14, 72, 73
S vnwsflrst new weight distance-to-specta tors/guidelines Giant Scale models Watch out forthe props CL models tall grass/weeds dont go together well U John Preston GIANT SCALE Recent AMA Executive Council action has established 55 lb 65 ft figures represent new weight limit model seeking coverage under AMA liability insurance policy distance separating spectators edge flying area models over 20 lb being flown numbers specified AMA Exec utive Council its meeting Arlington VA June 26 1982 action reported September AMA News section its first page However feel subject sufficient importance discussed well Although able attend June 26th Executive Council meeting part day subject Giant Models Airworthiness introduced District VI VII VPs respec tively did come up until after dinner hour Another commitment prevented con tinued attendance learned decision next day groundbreaking ceremony new AMA HQ Reston VA logic upper weight limit 55 lb comes existing rule applies neighbors Canada understand restricts Cana dian modelers maximum model weight 25 kg Since Giant Scalers both countries frequently attend others Fly-ins logical decision part Council es tablish similar limit US 25 kg x 22 lb/kg 55 lb Whether 55 lb 25 kg appropriate choice foranupperweight limit depends point view As result previous discussion about weight limits models June 1982 issue received quite bundle mail person felt strongly about subject alone wrote us over 15 letters Only person has far stated favor having no upper weight limit writer stated Regulation cur tails experimentation Deregulation propagates developments letter concluded stating Lets keep going bigger faster better smaller lighter slower thats thing Like stated previously its point view wrote suggestions weight limit low 11 lb several sug gested 20 lb two clubs voted previous 40-lb limit person wants no limit go suggestion live Council decision 55 lb see what happens personally believe very generous limit unable build satisfying model within limit suggest try joining EAA Ultralight organization examined some Ultralights last weekend 20th Anniversary celebration Dulles ternational Airport Its guess could built much money some models weve seenand probably lot less time regard Council decision separa tion 65 ft between flying spectators sure rationale presume must come AMA Voluntary Flying Site Specifications Standard recommends distance model flying fields Again some good logic having singie setback distance spectators site model approved AMA may flown gather number club newsletters weve read recently lot flying fields currently meet suggested requirement An increase distance say 100 ft IMAA suggested distance might make conforming flying field rarity subject airworthiness big models also discussed Council told no conclusions reached Perhaps appropriate topic discussion AMA Safety Committee committee created Executive Council some time ago has yet become active lack volunteer act chairman learned June 26th Council meeting Don Lowe has recently affirmed request act capacity ever due special assigument will available till November year wealth experience building flying both model aircraft RPVs think Don excellent choice head Safety Committee intend support him way possible Accident report Just two days after main text months column written learned tragic accident RC model being flown club field Arcola VA struck fatally injured club member According report Washington Post newspaper model ddenly went out control struck victim right side cnest. Death occurred during surgery nearby hospital attributed liver dam age internal hemorrhage newspaper report quoted county medical examiner having stated can described freak accident what have learned accident must agree statement does appear indication model being flown violation either club rules AMA Safety Code understanding model involved 60-size biplanea very popular kit has market years pilot experienced flier club field accident occurred well laid out plenty separation between parking area Continued page 14 12 Model Aviation K 1 1 fr MAYBE THERE SHOUL E IAJEI4T LIMIT FO McQELEK Still Using bid Fashioned Wing Hinges will gain cntrol efficiency by eliminating gap between moveable stationary control surfaces will amazed performance gained using simple inexpen sive improvement FREE MOVEMENT 450 STRONG AND LIGHTWEIGHT COMPLETELY FUELPROOF COMPATABLE WITH ALL IRON-ON MATERIALS COMES IN 3 FT LENGTHS SMALL 118 ORPRICE 3 ft $250 LARGE 114 EASY TO INSTALL 2 3 d CUT I/4 DEEP SLIT ALOe rAE FLEL LENGTH O THE M4TING SSPFACES NISTALL HINGEUSE STRAIGHT RW 70 M4KE SMaLL HOLE EVERY INCH DR SODRIP CYAMSNERYLATE GLUE IN HOLES CARtLARY AciSLW MLL CARRY GLUE ALONG ENTRIE JOINT FOR ADD/TONAL SAaJRITY INSERT SMALL PIN EVERY FEW INCHES CUT DIE FLUSH FILL AND SANG AS NEEDED FOR FINISHING Send Free Info fine products FOURMOST PRODUCTS 4040 24th Avenue Forest Grove OR 97116 ~NNON Quarter Midget NATs Win /II77 SUPERMIthA ustem After establishing new World Speed Record DAVE LATSHA Lemoyne Pa DOES IT AGAIN time Quarter Midget Rivets took high points 18 rounds hard flying NATs August 1981 win FIRST PLACE An outstanding performance pilot aircraft radio Quarter Midget Pylon Time 12709 SYSTEMS $23495 29295 4CH34995 5CH35995 WORLDS SMALLEST R/C SYSTEM ITEM indoor R/C electric 1/4 & 1/2A Schoolyard & Competition sailplanes 2 CH Competition Quarter Midgets & Sport 3 CH Aircraft thru 40 power *MICRO SERVO 47oz 50 4CH MICRO RX 54oz 8995 $16995 29 oz 20750 339 oz 24495 388 oz 24795 416 oz *MiCro Deans plug others $250 extra SHIPPING Systems $650 Flite Packs $450 Servos Rx VIS4$300 No CODs Calif add Sales Tax Brochure 60 US $170 Foreign Add 4-1/2% VisaMasterCard 13400-26 Sotlcoy StreetNorth Hollywood Calif 91605l21 g-oaJ pits flight line Only club members present field time accident happened despite positive factors Per haps could otherwise have worse case must continue urge clubs fliers use utmost care caution urge field locations layout use best possible safety considerations way can least reduce possibility accident perhaps reduce severity occurs Accident reports being compiled sev eral groups However needs understood because legal insurance factors position discuss column now Well say what can can meantime subject being ignoredit merely awaiting further developments seems hard write column safety some mention old friend enemy propeller previous column asked reader witnessed propeller-bladeshedding incident write tell us about purpose behind request try determine particular make style pre sented hazard another received about half dozen letters response enough make statistically valid con clusion Based letters can tell particularly careful operate piped 60 11 x 7 narrow-blade prop Two letters Pattern enthusiasts mentioned several inci dents witnessed both ground air combination stated such engine/pipe/prop setup would re sult 13-14000 rpm just may prop can take Apparently 11 x prop bad ask careful direction point model running up ground Whileyou might behind prop arc may others present pit area Also alert flying takes seconds shake model apart blade parts company hub air final word potential hazard props comes newsletter Gold Coast Radio Controllers edited Art Charlotte Johnson way story humorous least its about humorous incident involving injury could Read judge other winter fliers has Boca hospital often get sewed up last time told stuck hand air conditioner fan working afraid would cancel insurance encounter model prop keeps up will have scars hand will look like stuck pool full Piranhas Lest get accused talking about safety related RC models lets take look couple reports CL fliers Both builders Scale models has bearing safety Its just doesnt appear big following CL Scale used seems true world wide first story comes Bill Zimmer Varna IL points out hazard flying CL models areas high grass weeds fly CL have seen couple myself near-serious accidents flying off areas high grass own personal case years ago lines snagged some grass airplane turned circle just missed head airplane proContinued page 72 14 Model Aviation GAPLESS HiNGE SLOTTER Simplifies installation Gapless Hinges Makes Slots 4 Sizes ealsa t5 514 ICE $250 INDIAN CITY RADIO CONTROL CLUB Prents DETROIT EXPO IV Greater Michigan Modelers Show PLANES BOATS e CARS MANUFACTURERS STATIC bISPLAYS SWAP-SHOP October 123 1982 Eight Mile Artillery Armory Oak Park Michigan Info 6909 Monroe Blvd Taylor MI 48180 V E PACKS ii 72 Model Aviation Letters Editor Continued page 10 top being curved bottom air flows faster along smooth bottom creating high pressure area wing sucked up vacuum thus lifting whole plane prop moves pushing air past incredible force As plane moves air passes over wing faster creating lift horizontal stabilizer surfaces keep plane going right horizontal direction vertical stab area overcomes drag ailerons roll plane making lift go direction 143 sign up free drawing some interesting answers wouldnt say Among see future pilot modeling fullscale aviation maybe space pro gram John Sadler N Syracuse NY Florida Larks wonder would able print enclosed pictures Pitts House Balsa kit has K&B 61 power won Model Year LARKS club am president located Eustis-Tavares area Florida have about 35 members have just installed 350-ft clay runway other plane Sig Kavalier has K&B 61 front brakes Flies beautifully Earlier year LARKS banquet local restaurant privileged have Don Lowe now lives Florida guest speaker just super person Bill Nelson Leesburg FL Too bad cant print pictures color just original prints Theyre both beautWuL Safety Preston Continued page 14 ceeded fly across circle coming end lines ripped control system out airplane happen twice before wised up Ijudge CL Stunt events have seen lines get snagged once high grass weedy fields field grass cut short has dandelions other similar weeds stick ing up safety hazard flying CL models second CL correspondent related similar story about model turning circle al lowing lines go slack stated using safety thong attach handle wrist wonder other CL fliers forget about little item entering contest Again model crossed circle narrowly missing flier lines went tight again handle jerked com pletely out hand would have guessed CL model dragging its lines handle would have flown very far according informant took off like RC model went considerable distance before ending up tree As postscript might add Better tree house vehicle spectator Two final tales month will hope point out easy us make mistake could result accident first comes newsletter Yucalpa Valley RC Flyers person concerned shall remain anonymous thank him being too embarassed discuss incident clubs newsletter can explain last crash Well easywhen try something ex ceeds capability model second full-flap takeoff recently rebuilt Ugly Stik thought pulling off early doing max performance climbout would neat just didnt turn out way coefficient drag lots torque just plain no control ended up precarious high-angle-of-attack situation ended left turn pits Needless say reaction full aileron followed somewhat too late rudder can say what [did pretty dumb nothing else comes little confes sion may everyone learn mistake continue fly safely second tale confession writer could titled Destroy Battery Pack Back April checking battery packs see what usable com ing flying season flight pack consisting four 550 mAh cells quick-charge variety laid too long charge about dead elected give quick boost charger high rate leave overnight low rate before using discharger exam ine its condition guessed Twenty-four hours later after trip New York City suddenly remembered flight pack Talk about hoi feel lucky didnt burn down house think story points out frailty human mind least ever use high rate again will sure set alarm wristwatch Better still always use low rate record discharger cut off after six minutes cells now part Fairfax County dump poorer wiser cost four new cells Anyone else wishing share ~True Confessions Modeler drop us line Name address can withheld request John Preston 7012 Elvira Ct Falls Church VA 22042 NORTHERN CAUFORNIAS L&RGESTU SCOUNT HOBBY SHOPI I well FUELyou New high film strength IubncantN increased power engine lifeI Highest qualily ingredientsI on n rut varnish II II II II II II II II I LJI IHOURS Monday thru Wednesday Y3U-OJU Iflursdoy Ci I-naay 9aU-tUUI Saturday 930-600 Sunday 1200-500 mm m Nor Cal AcCfTAC AVIONKSS ACCU TACH 1 ITAL TACHOPI us get Gead. aCcurate dle thfU out Selecstment topend J ioOX jth dual capabiliWit precl ~reonics 2 iER VOLTMET state Determine 0afge eris Check out loa TXIRX e omboS tery 3oITOR CMARGs1eto Makes eaka bY safely ichafg pack volt signals ag6~ 95 ORDER YOURS NOW 79 Prepaid Send check money order no coDs NorCal AViONiCS Inc PO Box 70958 Sunnyvale CA 94088 Caihomia residents add 6% tax Add $300 shipping outside continental USA Dealer inquiries invited October 1982 73 SAFE FLYING IS NO ACCIDENT
Edition: Model Aviation - 1982/10
Page Numbers: 12, 14, 72, 73
S vnwsflrst new weight distance-to-specta tors/guidelines Giant Scale models Watch out forthe props CL models tall grass/weeds dont go together well U John Preston GIANT SCALE Recent AMA Executive Council action has established 55 lb 65 ft figures represent new weight limit model seeking coverage under AMA liability insurance policy distance separating spectators edge flying area models over 20 lb being flown numbers specified AMA Exec utive Council its meeting Arlington VA June 26 1982 action reported September AMA News section its first page However feel subject sufficient importance discussed well Although able attend June 26th Executive Council meeting part day subject Giant Models Airworthiness introduced District VI VII VPs respec tively did come up until after dinner hour Another commitment prevented con tinued attendance learned decision next day groundbreaking ceremony new AMA HQ Reston VA logic upper weight limit 55 lb comes existing rule applies neighbors Canada understand restricts Cana dian modelers maximum model weight 25 kg Since Giant Scalers both countries frequently attend others Fly-ins logical decision part Council es tablish similar limit US 25 kg x 22 lb/kg 55 lb Whether 55 lb 25 kg appropriate choice foranupperweight limit depends point view As result previous discussion about weight limits models June 1982 issue received quite bundle mail person felt strongly about subject alone wrote us over 15 letters Only person has far stated favor having no upper weight limit writer stated Regulation cur tails experimentation Deregulation propagates developments letter concluded stating Lets keep going bigger faster better smaller lighter slower thats thing Like stated previously its point view wrote suggestions weight limit low 11 lb several sug gested 20 lb two clubs voted previous 40-lb limit person wants no limit go suggestion live Council decision 55 lb see what happens personally believe very generous limit unable build satisfying model within limit suggest try joining EAA Ultralight organization examined some Ultralights last weekend 20th Anniversary celebration Dulles ternational Airport Its guess could built much money some models weve seenand probably lot less time regard Council decision separa tion 65 ft between flying spectators sure rationale presume must come AMA Voluntary Flying Site Specifications Standard recommends distance model flying fields Again some good logic having singie setback distance spectators site model approved AMA may flown gather number club newsletters weve read recently lot flying fields currently meet suggested requirement An increase distance say 100 ft IMAA suggested distance might make conforming flying field rarity subject airworthiness big models also discussed Council told no conclusions reached Perhaps appropriate topic discussion AMA Safety Committee committee created Executive Council some time ago has yet become active lack volunteer act chairman learned June 26th Council meeting Don Lowe has recently affirmed request act capacity ever due special assigument will available till November year wealth experience building flying both model aircraft RPVs think Don excellent choice head Safety Committee intend support him way possible Accident report Just two days after main text months column written learned tragic accident RC model being flown club field Arcola VA struck fatally injured club member According report Washington Post newspaper model ddenly went out control struck victim right side cnest. Death occurred during surgery nearby hospital attributed liver dam age internal hemorrhage newspaper report quoted county medical examiner having stated can described freak accident what have learned accident must agree statement does appear indication model being flown violation either club rules AMA Safety Code understanding model involved 60-size biplanea very popular kit has market years pilot experienced flier club field accident occurred well laid out plenty separation between parking area Continued page 14 12 Model Aviation K 1 1 fr MAYBE THERE SHOUL E IAJEI4T LIMIT FO McQELEK Still Using bid Fashioned Wing Hinges will gain cntrol efficiency by eliminating gap between moveable stationary control surfaces will amazed performance gained using simple inexpen sive improvement FREE MOVEMENT 450 STRONG AND LIGHTWEIGHT COMPLETELY FUELPROOF COMPATABLE WITH ALL IRON-ON MATERIALS COMES IN 3 FT LENGTHS SMALL 118 ORPRICE 3 ft $250 LARGE 114 EASY TO INSTALL 2 3 d CUT I/4 DEEP SLIT ALOe rAE FLEL LENGTH O THE M4TING SSPFACES NISTALL HINGEUSE STRAIGHT RW 70 M4KE SMaLL HOLE EVERY INCH DR SODRIP CYAMSNERYLATE GLUE IN HOLES CARtLARY AciSLW MLL CARRY GLUE ALONG ENTRIE JOINT FOR ADD/TONAL SAaJRITY INSERT SMALL PIN EVERY FEW INCHES CUT DIE FLUSH FILL AND SANG AS NEEDED FOR FINISHING Send Free Info fine products FOURMOST PRODUCTS 4040 24th Avenue Forest Grove OR 97116 ~NNON Quarter Midget NATs Win /II77 SUPERMIthA ustem After establishing new World Speed Record DAVE LATSHA Lemoyne Pa DOES IT AGAIN time Quarter Midget Rivets took high points 18 rounds hard flying NATs August 1981 win FIRST PLACE An outstanding performance pilot aircraft radio Quarter Midget Pylon Time 12709 SYSTEMS $23495 29295 4CH34995 5CH35995 WORLDS SMALLEST R/C SYSTEM ITEM indoor R/C electric 1/4 & 1/2A Schoolyard & Competition sailplanes 2 CH Competition Quarter Midgets & Sport 3 CH Aircraft thru 40 power *MICRO SERVO 47oz 50 4CH MICRO RX 54oz 8995 $16995 29 oz 20750 339 oz 24495 388 oz 24795 416 oz *MiCro Deans plug others $250 extra SHIPPING Systems $650 Flite Packs $450 Servos Rx VIS4$300 No CODs Calif add Sales Tax Brochure 60 US $170 Foreign Add 4-1/2% VisaMasterCard 13400-26 Sotlcoy StreetNorth Hollywood Calif 91605l21 g-oaJ pits flight line Only club members present field time accident happened despite positive factors Per haps could otherwise have worse case must continue urge clubs fliers use utmost care caution urge field locations layout use best possible safety considerations way can least reduce possibility accident perhaps reduce severity occurs Accident reports being compiled sev eral groups However needs understood because legal insurance factors position discuss column now Well say what can can meantime subject being ignoredit merely awaiting further developments seems hard write column safety some mention old friend enemy propeller previous column asked reader witnessed propeller-bladeshedding incident write tell us about purpose behind request try determine particular make style pre sented hazard another received about half dozen letters response enough make statistically valid con clusion Based letters can tell particularly careful operate piped 60 11 x 7 narrow-blade prop Two letters Pattern enthusiasts mentioned several inci dents witnessed both ground air combination stated such engine/pipe/prop setup would re sult 13-14000 rpm just may prop can take Apparently 11 x prop bad ask careful direction point model running up ground Whileyou might behind prop arc may others present pit area Also alert flying takes seconds shake model apart blade parts company hub air final word potential hazard props comes newsletter Gold Coast Radio Controllers edited Art Charlotte Johnson way story humorous least its about humorous incident involving injury could Read judge other winter fliers has Boca hospital often get sewed up last time told stuck hand air conditioner fan working afraid would cancel insurance encounter model prop keeps up will have scars hand will look like stuck pool full Piranhas Lest get accused talking about safety related RC models lets take look couple reports CL fliers Both builders Scale models has bearing safety Its just doesnt appear big following CL Scale used seems true world wide first story comes Bill Zimmer Varna IL points out hazard flying CL models areas high grass weeds fly CL have seen couple myself near-serious accidents flying off areas high grass own personal case years ago lines snagged some grass airplane turned circle just missed head airplane proContinued page 72 14 Model Aviation GAPLESS HiNGE SLOTTER Simplifies installation Gapless Hinges Makes Slots 4 Sizes ealsa t5 514 ICE $250 INDIAN CITY RADIO CONTROL CLUB Prents DETROIT EXPO IV Greater Michigan Modelers Show PLANES BOATS e CARS MANUFACTURERS STATIC bISPLAYS SWAP-SHOP October 123 1982 Eight Mile Artillery Armory Oak Park Michigan Info 6909 Monroe Blvd Taylor MI 48180 V E PACKS ii 72 Model Aviation Letters Editor Continued page 10 top being curved bottom air flows faster along smooth bottom creating high pressure area wing sucked up vacuum thus lifting whole plane prop moves pushing air past incredible force As plane moves air passes over wing faster creating lift horizontal stabilizer surfaces keep plane going right horizontal direction vertical stab area overcomes drag ailerons roll plane making lift go direction 143 sign up free drawing some interesting answers wouldnt say Among see future pilot modeling fullscale aviation maybe space pro gram John Sadler N Syracuse NY Florida Larks wonder would able print enclosed pictures Pitts House Balsa kit has K&B 61 power won Model Year LARKS club am president located Eustis-Tavares area Florida have about 35 members have just installed 350-ft clay runway other plane Sig Kavalier has K&B 61 front brakes Flies beautifully Earlier year LARKS banquet local restaurant privileged have Don Lowe now lives Florida guest speaker just super person Bill Nelson Leesburg FL Too bad cant print pictures color just original prints Theyre both beautWuL Safety Preston Continued page 14 ceeded fly across circle coming end lines ripped control system out airplane happen twice before wised up Ijudge CL Stunt events have seen lines get snagged once high grass weedy fields field grass cut short has dandelions other similar weeds stick ing up safety hazard flying CL models second CL correspondent related similar story about model turning circle al lowing lines go slack stated using safety thong attach handle wrist wonder other CL fliers forget about little item entering contest Again model crossed circle narrowly missing flier lines went tight again handle jerked com pletely out hand would have guessed CL model dragging its lines handle would have flown very far according informant took off like RC model went considerable distance before ending up tree As postscript might add Better tree house vehicle spectator Two final tales month will hope point out easy us make mistake could result accident first comes newsletter Yucalpa Valley RC Flyers person concerned shall remain anonymous thank him being too embarassed discuss incident clubs newsletter can explain last crash Well easywhen try something ex ceeds capability model second full-flap takeoff recently rebuilt Ugly Stik thought pulling off early doing max performance climbout would neat just didnt turn out way coefficient drag lots torque just plain no control ended up precarious high-angle-of-attack situation ended left turn pits Needless say reaction full aileron followed somewhat too late rudder can say what [did pretty dumb nothing else comes little confes sion may everyone learn mistake continue fly safely second tale confession writer could titled Destroy Battery Pack Back April checking battery packs see what usable com ing flying season flight pack consisting four 550 mAh cells quick-charge variety laid too long charge about dead elected give quick boost charger high rate leave overnight low rate before using discharger exam ine its condition guessed Twenty-four hours later after trip New York City suddenly remembered flight pack Talk about hoi feel lucky didnt burn down house think story points out frailty human mind least ever use high rate again will sure set alarm wristwatch Better still always use low rate record discharger cut off after six minutes cells now part Fairfax County dump poorer wiser cost four new cells Anyone else wishing share ~True Confessions Modeler drop us line Name address can withheld request John Preston 7012 Elvira Ct Falls Church VA 22042 NORTHERN CAUFORNIAS L&RGESTU SCOUNT HOBBY SHOPI I well FUELyou New high film strength IubncantN increased power engine lifeI Highest qualily ingredientsI on n rut varnish II II II II II II II II I LJI IHOURS Monday thru Wednesday Y3U-OJU Iflursdoy Ci I-naay 9aU-tUUI Saturday 930-600 Sunday 1200-500 mm m Nor Cal AcCfTAC AVIONKSS ACCU TACH 1 ITAL TACHOPI us get Gead. aCcurate dle thfU out Selecstment topend J ioOX jth dual capabiliWit precl ~reonics 2 iER VOLTMET state Determine 0afge eris Check out loa TXIRX e omboS tery 3oITOR CMARGs1eto Makes eaka bY safely ichafg pack volt signals ag6~ 95 ORDER YOURS NOW 79 Prepaid Send check money order no coDs NorCal AViONiCS Inc PO Box 70958 Sunnyvale CA 94088 Caihomia residents add 6% tax Add $300 shipping outside continental USA Dealer inquiries invited October 1982 73 SAFE FLYING IS NO ACCIDENT
Edition: Model Aviation - 1982/10
Page Numbers: 12, 14, 72, 73
S vnwsflrst new weight distance-to-specta tors/guidelines Giant Scale models Watch out forthe props CL models tall grass/weeds dont go together well U John Preston GIANT SCALE Recent AMA Executive Council action has established 55 lb 65 ft figures represent new weight limit model seeking coverage under AMA liability insurance policy distance separating spectators edge flying area models over 20 lb being flown numbers specified AMA Exec utive Council its meeting Arlington VA June 26 1982 action reported September AMA News section its first page However feel subject sufficient importance discussed well Although able attend June 26th Executive Council meeting part day subject Giant Models Airworthiness introduced District VI VII VPs respec tively did come up until after dinner hour Another commitment prevented con tinued attendance learned decision next day groundbreaking ceremony new AMA HQ Reston VA logic upper weight limit 55 lb comes existing rule applies neighbors Canada understand restricts Cana dian modelers maximum model weight 25 kg Since Giant Scalers both countries frequently attend others Fly-ins logical decision part Council es tablish similar limit US 25 kg x 22 lb/kg 55 lb Whether 55 lb 25 kg appropriate choice foranupperweight limit depends point view As result previous discussion about weight limits models June 1982 issue received quite bundle mail person felt strongly about subject alone wrote us over 15 letters Only person has far stated favor having no upper weight limit writer stated Regulation cur tails experimentation Deregulation propagates developments letter concluded stating Lets keep going bigger faster better smaller lighter slower thats thing Like stated previously its point view wrote suggestions weight limit low 11 lb several sug gested 20 lb two clubs voted previous 40-lb limit person wants no limit go suggestion live Council decision 55 lb see what happens personally believe very generous limit unable build satisfying model within limit suggest try joining EAA Ultralight organization examined some Ultralights last weekend 20th Anniversary celebration Dulles ternational Airport Its guess could built much money some models weve seenand probably lot less time regard Council decision separa tion 65 ft between flying spectators sure rationale presume must come AMA Voluntary Flying Site Specifications Standard recommends distance model flying fields Again some good logic having singie setback distance spectators site model approved AMA may flown gather number club newsletters weve read recently lot flying fields currently meet suggested requirement An increase distance say 100 ft IMAA suggested distance might make conforming flying field rarity subject airworthiness big models also discussed Council told no conclusions reached Perhaps appropriate topic discussion AMA Safety Committee committee created Executive Council some time ago has yet become active lack volunteer act chairman learned June 26th Council meeting Don Lowe has recently affirmed request act capacity ever due special assigument will available till November year wealth experience building flying both model aircraft RPVs think Don excellent choice head Safety Committee intend support him way possible Accident report Just two days after main text months column written learned tragic accident RC model being flown club field Arcola VA struck fatally injured club member According report Washington Post newspaper model ddenly went out control struck victim right side cnest. Death occurred during surgery nearby hospital attributed liver dam age internal hemorrhage newspaper report quoted county medical examiner having stated can described freak accident what have learned accident must agree statement does appear indication model being flown violation either club rules AMA Safety Code understanding model involved 60-size biplanea very popular kit has market years pilot experienced flier club field accident occurred well laid out plenty separation between parking area Continued page 14 12 Model Aviation K 1 1 fr MAYBE THERE SHOUL E IAJEI4T LIMIT FO McQELEK Still Using bid Fashioned Wing Hinges will gain cntrol efficiency by eliminating gap between moveable stationary control surfaces will amazed performance gained using simple inexpen sive improvement FREE MOVEMENT 450 STRONG AND LIGHTWEIGHT COMPLETELY FUELPROOF COMPATABLE WITH ALL IRON-ON MATERIALS COMES IN 3 FT LENGTHS SMALL 118 ORPRICE 3 ft $250 LARGE 114 EASY TO INSTALL 2 3 d CUT I/4 DEEP SLIT ALOe rAE FLEL LENGTH O THE M4TING SSPFACES NISTALL HINGEUSE STRAIGHT RW 70 M4KE SMaLL HOLE EVERY INCH DR SODRIP CYAMSNERYLATE GLUE IN HOLES CARtLARY AciSLW MLL CARRY GLUE ALONG ENTRIE JOINT FOR ADD/TONAL SAaJRITY INSERT SMALL PIN EVERY FEW INCHES CUT DIE FLUSH FILL AND SANG AS NEEDED FOR FINISHING Send Free Info fine products FOURMOST PRODUCTS 4040 24th Avenue Forest Grove OR 97116 ~NNON Quarter Midget NATs Win /II77 SUPERMIthA ustem After establishing new World Speed Record DAVE LATSHA Lemoyne Pa DOES IT AGAIN time Quarter Midget Rivets took high points 18 rounds hard flying NATs August 1981 win FIRST PLACE An outstanding performance pilot aircraft radio Quarter Midget Pylon Time 12709 SYSTEMS $23495 29295 4CH34995 5CH35995 WORLDS SMALLEST R/C SYSTEM ITEM indoor R/C electric 1/4 & 1/2A Schoolyard & Competition sailplanes 2 CH Competition Quarter Midgets & Sport 3 CH Aircraft thru 40 power *MICRO SERVO 47oz 50 4CH MICRO RX 54oz 8995 $16995 29 oz 20750 339 oz 24495 388 oz 24795 416 oz *MiCro Deans plug others $250 extra SHIPPING Systems $650 Flite Packs $450 Servos Rx VIS4$300 No CODs Calif add Sales Tax Brochure 60 US $170 Foreign Add 4-1/2% VisaMasterCard 13400-26 Sotlcoy StreetNorth Hollywood Calif 91605l21 g-oaJ pits flight line Only club members present field time accident happened despite positive factors Per haps could otherwise have worse case must continue urge clubs fliers use utmost care caution urge field locations layout use best possible safety considerations way can least reduce possibility accident perhaps reduce severity occurs Accident reports being compiled sev eral groups However needs understood because legal insurance factors position discuss column now Well say what can can meantime subject being ignoredit merely awaiting further developments seems hard write column safety some mention old friend enemy propeller previous column asked reader witnessed propeller-bladeshedding incident write tell us about purpose behind request try determine particular make style pre sented hazard another received about half dozen letters response enough make statistically valid con clusion Based letters can tell particularly careful operate piped 60 11 x 7 narrow-blade prop Two letters Pattern enthusiasts mentioned several inci dents witnessed both ground air combination stated such engine/pipe/prop setup would re sult 13-14000 rpm just may prop can take Apparently 11 x prop bad ask careful direction point model running up ground Whileyou might behind prop arc may others present pit area Also alert flying takes seconds shake model apart blade parts company hub air final word potential hazard props comes newsletter Gold Coast Radio Controllers edited Art Charlotte Johnson way story humorous least its about humorous incident involving injury could Read judge other winter fliers has Boca hospital often get sewed up last time told stuck hand air conditioner fan working afraid would cancel insurance encounter model prop keeps up will have scars hand will look like stuck pool full Piranhas Lest get accused talking about safety related RC models lets take look couple reports CL fliers Both builders Scale models has bearing safety Its just doesnt appear big following CL Scale used seems true world wide first story comes Bill Zimmer Varna IL points out hazard flying CL models areas high grass weeds fly CL have seen couple myself near-serious accidents flying off areas high grass own personal case years ago lines snagged some grass airplane turned circle just missed head airplane proContinued page 72 14 Model Aviation GAPLESS HiNGE SLOTTER Simplifies installation Gapless Hinges Makes Slots 4 Sizes ealsa t5 514 ICE $250 INDIAN CITY RADIO CONTROL CLUB Prents DETROIT EXPO IV Greater Michigan Modelers Show PLANES BOATS e CARS MANUFACTURERS STATIC bISPLAYS SWAP-SHOP October 123 1982 Eight Mile Artillery Armory Oak Park Michigan Info 6909 Monroe Blvd Taylor MI 48180 V E PACKS ii 72 Model Aviation Letters Editor Continued page 10 top being curved bottom air flows faster along smooth bottom creating high pressure area wing sucked up vacuum thus lifting whole plane prop moves pushing air past incredible force As plane moves air passes over wing faster creating lift horizontal stabilizer surfaces keep plane going right horizontal direction vertical stab area overcomes drag ailerons roll plane making lift go direction 143 sign up free drawing some interesting answers wouldnt say Among see future pilot modeling fullscale aviation maybe space pro gram John Sadler N Syracuse NY Florida Larks wonder would able print enclosed pictures Pitts House Balsa kit has K&B 61 power won Model Year LARKS club am president located Eustis-Tavares area Florida have about 35 members have just installed 350-ft clay runway other plane Sig Kavalier has K&B 61 front brakes Flies beautifully Earlier year LARKS banquet local restaurant privileged have Don Lowe now lives Florida guest speaker just super person Bill Nelson Leesburg FL Too bad cant print pictures color just original prints Theyre both beautWuL Safety Preston Continued page 14 ceeded fly across circle coming end lines ripped control system out airplane happen twice before wised up Ijudge CL Stunt events have seen lines get snagged once high grass weedy fields field grass cut short has dandelions other similar weeds stick ing up safety hazard flying CL models second CL correspondent related similar story about model turning circle al lowing lines go slack stated using safety thong attach handle wrist wonder other CL fliers forget about little item entering contest Again model crossed circle narrowly missing flier lines went tight again handle jerked com pletely out hand would have guessed CL model dragging its lines handle would have flown very far according informant took off like RC model went considerable distance before ending up tree As postscript might add Better tree house vehicle spectator Two final tales month will hope point out easy us make mistake could result accident first comes newsletter Yucalpa Valley RC Flyers person concerned shall remain anonymous thank him being too embarassed discuss incident clubs newsletter can explain last crash Well easywhen try something ex ceeds capability model second full-flap takeoff recently rebuilt Ugly Stik thought pulling off early doing max performance climbout would neat just didnt turn out way coefficient drag lots torque just plain no control ended up precarious high-angle-of-attack situation ended left turn pits Needless say reaction full aileron followed somewhat too late rudder can say what [did pretty dumb nothing else comes little confes sion may everyone learn mistake continue fly safely second tale confession writer could titled Destroy Battery Pack Back April checking battery packs see what usable com ing flying season flight pack consisting four 550 mAh cells quick-charge variety laid too long charge about dead elected give quick boost charger high rate leave overnight low rate before using discharger exam ine its condition guessed Twenty-four hours later after trip New York City suddenly remembered flight pack Talk about hoi feel lucky didnt burn down house think story points out frailty human mind least ever use high rate again will sure set alarm wristwatch Better still always use low rate record discharger cut off after six minutes cells now part Fairfax County dump poorer wiser cost four new cells Anyone else wishing share ~True Confessions Modeler drop us line Name address can withheld request John Preston 7012 Elvira Ct Falls Church VA 22042 NORTHERN CAUFORNIAS L&RGESTU SCOUNT HOBBY SHOPI I well FUELyou New high film strength IubncantN increased power engine lifeI Highest qualily ingredientsI on n rut varnish II II II II II II II II I LJI IHOURS Monday thru Wednesday Y3U-OJU Iflursdoy Ci I-naay 9aU-tUUI Saturday 930-600 Sunday 1200-500 mm m Nor Cal AcCfTAC AVIONKSS ACCU TACH 1 ITAL TACHOPI us get Gead. aCcurate dle thfU out Selecstment topend J ioOX jth dual capabiliWit precl ~reonics 2 iER VOLTMET state Determine 0afge eris Check out loa TXIRX e omboS tery 3oITOR CMARGs1eto Makes eaka bY safely ichafg pack volt signals ag6~ 95 ORDER YOURS NOW 79 Prepaid Send check money order no coDs NorCal AViONiCS Inc PO Box 70958 Sunnyvale CA 94088 Caihomia residents add 6% tax Add $300 shipping outside continental USA Dealer inquiries invited October 1982 73 SAFE FLYING IS NO ACCIDENT