____first Svines thoughts safety aspects big models Model noise mufflers muffle Safety aspects RC transmitters equipped bells 0 John Preston THIS column being written April 30th issue concerning change weight limit model aircraft has yet resolved During past month received letter phone call sub ject both suggestions worth repeating will also passed AMA Safety Committee phone call came Kent Walters may remember sub mitted three requests Execu tive Council change model weight limit Kent requested raising around 100 lb brief Kent suggests single model weight-limit currently 55 lb may appropriate flying sites penalize modelers have desert flying site acres nothingness fly over limit thai really necessary live congested areas such East Coast corridor January 1983 letter Kent following comments about Bill Northrop proposal lower current weight limit 55 lb down 40 lb proposal Bill Northrop appar ently attempts prevent flying models weighing 40 lb AMAsanctioned competition event AMA-insured site effectively killing pos sibilites flying models above 40 lb AMAs blessings regardless size site conditions Perhaps simply indi cates reflect culture individually live residing con gested large metropolitan area few limited sites possible under standing Bills viewpoint After thats objections large models originate However plenty sites capable safely accommodating large models general AMA should reflect defining insuraixe coverage such models AMAs recognition larger siterequirements increased insurance cover age larger models has started helping modeling community provide safer sites classes RC aircraft large small incentive modelers continue establishing larger sites future years will diminished realistic recognition program AMA big models Some interesting thoughts come mind result pondering Kents suggestions example should pay different amounts insurance coverage according geographical location After auto insurance underwriters have long since rec Continued page 14 12 Model Aviation John wanted fly Davis-Dieselized 60 local club field buy muffler legal thingy available local hobby shop would fit engine didnt muffle too wellbut did keep goop off canopy K - 5-- NIS A1S AE V SNS1TIVE NAmES LOIAD NOISES ognized disparity accident probability between say New York City Podunk Iowa really town name have tailored rates accordingly Again borrowing auto insurance prac tice might set insurance premiums according size model Biggies would cost Comments Kents sug gestions welcomed especially regard strict site requirements large models letter subject model size weight comes Paul Beretta re sides Glen Cove NY didnt get Geography thats Long Island would say definitely qualifies belonging congested East Coast corridor Paul wrote following As newcomer RC flying held back responding call input size/weight controversy after reading May column Thats messed op JP decided put two cents worth view activity done enjoyment two valid reasons limits kindsafety public relations activity becomes com petitive third reason addedstandardization worldwide practices Taking last point first seems logical AMA would follow FAI stan dards classes competition world-class competition save American fliers problem having maintain two sets equipment skills use effectively com petition Going back first point safety would say demonstrable reason such insurance company statistics provable interference radar air ports banning limiting use model aircraft above certain size engine displacement must protect hobby whole have right limit groups method enjoying hobby simply because another faction thinks looks unsafe revolves around question whether large planes actually involved higher percentage serious kind accidents smaller counterparts issue public relations resident heavily populated New York metropolitan area see noise size single greatest threat continued enjoyment hobby firm opin ion AMA will have become driving force alert manufacturers fliers alike danger excess noise poses hobby think AMA position use its influence industry promote design effective mufflers mandating use available competition flying pro moting use flying Lets face John sound engines music ears nonhobbyist neighbors neighbors plane Quarter Scale Half-A speck sky quiet speck will Continued page 16 14 Model Aviation O New .xpandable~ concept ror nencoprers o The Competitor will fly 45 50 060 size engines O model can take novice flying winning AMA expert class Advanced design features never before seen R/C Helicopter Triple ball bearings main tail rotor hubsLight weight l construction AutorotationLow cost parts Controls designed inverted flightA11 versions fully aerobatic FAI patterns Dual ball bearing tail pitch controlSpiral hypoid gears main tail drives EASTERN US HELICENTER EAST 4121342-5500 Documentation New actions iuou Kyraider action Look SquadronlSignal Display ALL better Hobby Shops Book Stores favorite Hobby Shop Bookstore does carry Squadron/Signal books send S50 postage & handling Name Address us FREE Squadron/Signal catalog Squadron/Signal Publications Dept SP2 1115 Crowley Dr Carrollton Tx 75011-5010 1973 DAE Revolutionized Modeling Statement Now Battery Can ALL AGAIN DAE ADVANCES THE ART OF ELECTRONIC ENGINE STARTING LOW POWER CONSUMPTIONOnly 800 milliamps maximum battery drain SOLID 15v PLUG OUTPUT Maintains 15v starter LIGHTS ANY 11/2V PLUGAutomatically adjusts current plug needs EFFICIENT OPERATION tarter MARK V can also run 6v batter FEATURES AMERICAN MADE QUALITY PULSE DRIVER FOR ANY 1v PLUG 6v 12v FUEL PUMP SUPPLY DIRECTIONAL PUMP FLOW SWITCHES 48v 96v FAST CHARGER AMMETER MONITORING PLUG CHARGER CONNECTING HARDWARE INCLUDED TWIN OWNERS MARK V lights 2 plugs NO ADJUSTMENTS Only $4795 Also Available Kit Form $3995 SEE DEALER FIRSTADA Enterprises unavailableOrder DirectMALUAOTIoANA4 Ph N 8121 7U4028 63 31 8 Span 1 Scale 60 Engine S-9 lbsReady Fly model has molded rigid eurathane foam white epoxy jell coat surface picks up great amount detail Fuselagewings aileron fin rudder stabilizer elevator h cowl molded ready assembly installation equipment painting hardware including scale wheels struts extras Suggested List $285 Factory Direct $228 send SASE brochure PO Box 308 Tawas City MI 48763 & lYlold Co15171362-6078 ignored tolerated like mosquito announces its presence annoying buzz will thought dealt nuisance plane am learning tly Sig Kadet chose K&B 40 en gine Now popular engine widely used $6t worth mufflers later still havent found consider quiet Some arent mufflers rest effective broadest comparative sense could live muffler weighed eight 0/ could live muffler cut power output 25% better thought having use Kadet display-only model because nearest tivine field too far away worth trip Since Paul addresses several issues letter let respond first com ments model size/weight would guess present time comparison insurance company claims involving inci dents associated model aircraft would result apparent conclusion models small catecory say up 10 12 lb hazardous Giant models reason course sheer number such models compared number Giants currently being flown average club field statistics could analyzed incidents per hour flight time big versus small models would again guess smaller models would have worse accident record rationale such statement majority Giant-model builders experienced fliers would therefore likely react correctly in-flight problem So based past record probably no reason treat big models differently small mod els Im going get discussion column regarding Pauls comments standardization world-wide practices Ive argument past over pros cons following FAI rules AMA-sanctioned competition Its inter esting opponents FAI rules comes Scale model competition object grounds low model weights currently permitted major objective Scale modelers build model looks real also flies realistic manner regard big ones have spades over built conform FAI imposed limits max weight currently 6 kg 1233 lb RC Anyway Pauls next subject public relations noise long ago concluded so-called mufflers being offered sale nothing travesties word muf fler fulfill club competition re quirement states thou shall equip thy engine muffler thats far goes happen own pseudo-mufflers Paul refers bought simply because thingy name muffler package local hobby store could Continued page 162 16 Model Aviation W PLUG ADVANCED INTEGRATED CIRCUITRY T6 SN Harvard NEW R/C BOOKLET Answers questions often asked want get started RIG U&A.wmfl\\i flying PLUS troduces best airplane start EN FALCON receive copy SEND $200 TO ST CROIX OF PARK FALLS LTD PO Rex 279P Park Falls WI 54552 well-wrapped foam rubber actuator bolted ply bridge between F4 F5 suitable nut should epoxied under plywood strip make easier attach remove actuator torque rod bent 1/16-in wire attached actuator scrap plastic tubing front end held place hack 1/16 ply bearing rudder actuator wire soldered onto torque rod final installation sure correctly aligned Keep checking during operations ensure everything free friction possible final item wire loop attached rudder held place small bolt Rudder throw' changed moving loop up down Flight testing treat single-channel RC models essentially Free Flights use rudder control occasionally nudge model back home base possible loops things complicated sets rudder lefts rights etc prefer sport flying aspect modelsand leave acrobatics models few channels first thing set up balance few test glides Check CG roughly position shown plans try few hand glides Make corrections necessarya little nose weight stall ing glide vice versa Shimming wing alternative using ballast glide seems about right try some power flights make final corrections rudder throw glide path After shouldjust fun Enjoy Editor We saddened report author Jack Ileadley succumbed heart attack few weeks before article scheduled printing issue Through years Jacks fine articles designs have appeared other model magazines sympathy goes Jack Headleys family friends loss Safety/Preston Continued page 16 produce fit 60-size engine using After outing flying field requires mufflers engine over 10 cu retired thingy because its inability attenuate noise useful purpose type muffler seems serve duct exhaust gook outside engine cowling scale-type model Some might familiar lawsuit against Omahawks RC Club Nebraska neighbor flying site attempting collect $50000 dam ages relating noise complaints Since club chartered AMA should plaintiff suit successful could very expensive club mem ber Noise very often tangible thing flying field neighbor can latch onto real complaint could just dont like see enjoying selves Paul suggests AMA should use its influence industry promote effective mufflers Well could happen AMA Noise Committee chaired District VP Ed Izzo examining components model airplane produce noise experimenting Pattern-type model see what can done reduce total sound output fact Im late writing column havent yet mowed lawn would Executive Council meeting AMA HQ today would prob ably hear Ed tell Council about com mittees progress regard noise produced big models Ive never seen sound output measurements print subjectively big gas burners far less obnoxious screaming 60s real gems comes acceptable pleasant sound new crop four-stroke model engines used four-strokes wouldnt mind betting majority noise problems would vanish time pick up new issue model magazine see motors being reviewed advertised Perhaps sometime not-too-distant future will state-of-the-art model aircraft engine Another letter received last month comes Doug MacBrien Granby MA happens Giant model enthusiast topic letter should concern fliers RC models big small subject transmitters whistles & bells' over Doug Radio equipment model aircraft has become very reliable increasingly sophisticated Reliability greatmore complicated controls can lead disaster Thats what letters about bought new radio last year new models dual rates mixer switches servo reversingall latest Dual rate great Pattern fliers guess almost destroyed new model tried split-S elevator LO rate just missed ground about two feet Ive learned something since incident turned adjustment back transmitter fully CW LO rate same HI rate mixer switch something else transmitter its three-position toggle switch top case easily knocked out position flying new Giant Scale model took hundreds hours build After two good flights tried third model taxied OK made undesired 9fl0 right turn after takeoffit uncontrollable could see going crash thought radio out cut throttle watched despair big model went trees Sometime later after recovered pieces looked transmitter mixer switch rudder/elevator Mix posi 162 Model Aviation GONTIOLIKI TillS PROFILE0COMBA 70 RAT WIDE & NARROW WEDGE 15 -- 6 oz Capacities NIFLOW & TIIDD Uustrn 31mM hun Ingredients detailed br0ChUIe5OC stamps/Check Oni CAROLINATAFFINDER 8345 Delhi Road Charleston Hgts SC 29418 803-563-7169 ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX AMA Membership55 AceRClnc47 Aero Tech RC150 Air Design84 Airtronics2 Phase Art144 American RC Helicopters141 Americas Hobby Center25 Astro Flight54 Balsa USA6-7 Bavarian Precision Products158 Behrens Plan Service160 Dave Brown Products76 Bru Line Industries84 Byron Originals4351 Carlberg Companies136 Carolina-Taffinder162 Johnnie Casburn Mfg23 Chaiies RC Goodies84 Circus Hobbles94-100 Cleveland Model & Supply153 Eric Clutton153 Condor Hobbies137 Consumers Guide RC Aircraft Prod. Consumers Hobby Corp156-157 Coverite162 DA Enterprises D&D Engineering DG Products DGA Designs 0GM Industries Detroit Expo Dougs Hobby Shop ro Products Dynathrust Props Addis Elmore Fab-Tek Inc FAI Model Supply FHS Supply Flite Line Products Flyline Models 16 144 160 163 155 18-19 26 - 148 145 140 151 - 10 161 159 4 11 142-143 154 9 150 77 133 69 Fourmost Products69 Fox Mfg Co145 Full Command Systems37 Futaba Corp America29 Gator RC Products158 Carl Goldberg Models159 Gorham Model Products14 Great Lakes Model & Mold Co16 Great Planes Mod Mfg CoInside Front Cover Grish Brothers140 Art Gross Enterprises159 Hardware Systems Historic Aviation Hobby Barn Hobby Horn Hobby Lobby International Hobby Radio Shop Hobby Shack Horizon Model Crafts Hotel Harrington indy RC Sales J-5 Enterprises Hi Johnson Model Products K&B Manufacturing Co K&S Engineering Kraft Systems Kustom Kraftsmanship Leisure Electronics Lone Star Models MACS Products152 Majestic Models150 McDaniel RC Service163 Jim Messers Quality Model Products Midwest Products85 Mills Airplane Models76 Miniature Aircraft Supply149 Model Rectifier Corp side Back Cover Mutchiers Hobbies146-147 Nor-Cal Avionics37 159 151 45 145 152 155 Ohio Superstar P Productions P&G Metal Products Pacer Technology & Resources Pacific Air Pica Products Polks Hobby RC Kits Mfg RF Enterprises RJL Industries RLF Products Radio South Repla-Tech International Richardson Precision Machining Robbe Modelisport Norm Rosenstock Roush Mfg Co 28 154 137 17 144 15 27 69 85 94 136 - 137 155 140 134-135 137 - 49 51 148 155 93 28 13 148 14 162 160 154 54 158 24 1 153 SR Batteries S&W Hobby Supply Co Saf-Flite Models 138-139 Satellite City Sheldons Hobby Shop 54 Sig Manufacturing Co 76 Sonic-Tronics Squadron-Signal Publications St Croix Park Falls Ltd Swanson Associates T&D Fiberglass Tatone Products Taylor-Craft Ltd Tide Distributors Inc Top Flite Models Tower Hobbies WE Technical Services136 Williams Brothers4 Windsor Propeller Co8 World EnginesBack Cover Xplorer Enterprises51 Zenith Aviation Books5 Nick Ziroli Models10 152 ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX tion other two positions straight up offno mixing Rudder/Aileron Neither positions will get trouble Rudder/Elevator mix gives Right Rudder Up Elevator Left Rudder Down Elevator Down Elevator Right Rudder Up Elevator Left Rudder understand iis V-tailed aircraft doesnt belong its present exposed position fix Ive glued hardwood wedge switch using CyA glue cannot moved Rudder/Elevator position 1 hope will save others simi lar disastrous accident Mine unique experience mixer switches Ive heard other crashes similar Im beginner either Ive logged over 250 hours RC model pilot time last five half years See Nats' record Dougs notepaper features in-flight photograph A-scale Druine Turbulent offers plans Doug also offers plans OS2U Kingfisher powered two cu Quadra model ended up trees due ihe mixed-up mixer switch Time now go mow lawn Maybe should think about buying some sheep Have safe month John Preston 70/2 Elvira Ct Falls Church VA 22042 RC Aerobatics/Van Putte Continued page 45 donated hatful money contest nothing tried cured problem year decided attack foaming problem different way Besides putting much padding possible between tank fuselage adding antifoaming compound Dow Corning DB-l00 fuel placed old-style large Sullivan filters fuel line under neath engine theory small reservoir close engine would allow fuel stop foaming engine could draw nonfoaming fuel Apparently theory works because engine has running great ever since Now needle valve has some authority again feel comfortable adjusting engine just begins break two-cycle Just case larger reservoir turns out necessary also plan try Sullivan one-oz slantAugust 1983 163 Astounding not attainabie plastics.. very light weight discriminating hobbiest. Either Pilot version kit.. Sportsman Barnstormer.. Darn Good Airmen .. complete Portable power glow plugs fits shin pooket Using HeadlockTM adapter allows stay plug oat get iota propeller Rechargeable op 10119 times 511 day warracty No wore bulky batteries cables Order say NI-STARTFR either 115 2213 12 colt fast charger Instructions isoladed Also acailable charger See yaar deeler Order direct tram us visa ft Mastercard accepted Please specify type charger Add 51511 postage IUSAI NI-if L lilfo. $2195 NIHI-1E 225 o. $2195 NI-lILlA 120 adap $21ggNI-HL-1Nc Na charger $1295 laseeGleedandee Dr Iloredon VA221171 USA 79243551355 1/I Scale 11L5 @1/2 Scale S1O See Dealer add Used rAA Intercat Froina Sods Dollar direct order handling NyS Resideets acts % Sales tanI
Edition: Model Aviation - 1983/08
Page Numbers: 12, 14, 16, 162, 163
____first Svines thoughts safety aspects big models Model noise mufflers muffle Safety aspects RC transmitters equipped bells 0 John Preston THIS column being written April 30th issue concerning change weight limit model aircraft has yet resolved During past month received letter phone call sub ject both suggestions worth repeating will also passed AMA Safety Committee phone call came Kent Walters may remember sub mitted three requests Execu tive Council change model weight limit Kent requested raising around 100 lb brief Kent suggests single model weight-limit currently 55 lb may appropriate flying sites penalize modelers have desert flying site acres nothingness fly over limit thai really necessary live congested areas such East Coast corridor January 1983 letter Kent following comments about Bill Northrop proposal lower current weight limit 55 lb down 40 lb proposal Bill Northrop appar ently attempts prevent flying models weighing 40 lb AMAsanctioned competition event AMA-insured site effectively killing pos sibilites flying models above 40 lb AMAs blessings regardless size site conditions Perhaps simply indi cates reflect culture individually live residing con gested large metropolitan area few limited sites possible under standing Bills viewpoint After thats objections large models originate However plenty sites capable safely accommodating large models general AMA should reflect defining insuraixe coverage such models AMAs recognition larger siterequirements increased insurance cover age larger models has started helping modeling community provide safer sites classes RC aircraft large small incentive modelers continue establishing larger sites future years will diminished realistic recognition program AMA big models Some interesting thoughts come mind result pondering Kents suggestions example should pay different amounts insurance coverage according geographical location After auto insurance underwriters have long since rec Continued page 14 12 Model Aviation John wanted fly Davis-Dieselized 60 local club field buy muffler legal thingy available local hobby shop would fit engine didnt muffle too wellbut did keep goop off canopy K - 5-- NIS A1S AE V SNS1TIVE NAmES LOIAD NOISES ognized disparity accident probability between say New York City Podunk Iowa really town name have tailored rates accordingly Again borrowing auto insurance prac tice might set insurance premiums according size model Biggies would cost Comments Kents sug gestions welcomed especially regard strict site requirements large models letter subject model size weight comes Paul Beretta re sides Glen Cove NY didnt get Geography thats Long Island would say definitely qualifies belonging congested East Coast corridor Paul wrote following As newcomer RC flying held back responding call input size/weight controversy after reading May column Thats messed op JP decided put two cents worth view activity done enjoyment two valid reasons limits kindsafety public relations activity becomes com petitive third reason addedstandardization worldwide practices Taking last point first seems logical AMA would follow FAI stan dards classes competition world-class competition save American fliers problem having maintain two sets equipment skills use effectively com petition Going back first point safety would say demonstrable reason such insurance company statistics provable interference radar air ports banning limiting use model aircraft above certain size engine displacement must protect hobby whole have right limit groups method enjoying hobby simply because another faction thinks looks unsafe revolves around question whether large planes actually involved higher percentage serious kind accidents smaller counterparts issue public relations resident heavily populated New York metropolitan area see noise size single greatest threat continued enjoyment hobby firm opin ion AMA will have become driving force alert manufacturers fliers alike danger excess noise poses hobby think AMA position use its influence industry promote design effective mufflers mandating use available competition flying pro moting use flying Lets face John sound engines music ears nonhobbyist neighbors neighbors plane Quarter Scale Half-A speck sky quiet speck will Continued page 16 14 Model Aviation O New .xpandable~ concept ror nencoprers o The Competitor will fly 45 50 060 size engines O model can take novice flying winning AMA expert class Advanced design features never before seen R/C Helicopter Triple ball bearings main tail rotor hubsLight weight l construction AutorotationLow cost parts Controls designed inverted flightA11 versions fully aerobatic FAI patterns Dual ball bearing tail pitch controlSpiral hypoid gears main tail drives EASTERN US HELICENTER EAST 4121342-5500 Documentation New actions iuou Kyraider action Look SquadronlSignal Display ALL better Hobby Shops Book Stores favorite Hobby Shop Bookstore does carry Squadron/Signal books send S50 postage & handling Name Address us FREE Squadron/Signal catalog Squadron/Signal Publications Dept SP2 1115 Crowley Dr Carrollton Tx 75011-5010 1973 DAE Revolutionized Modeling Statement Now Battery Can ALL AGAIN DAE ADVANCES THE ART OF ELECTRONIC ENGINE STARTING LOW POWER CONSUMPTIONOnly 800 milliamps maximum battery drain SOLID 15v PLUG OUTPUT Maintains 15v starter LIGHTS ANY 11/2V PLUGAutomatically adjusts current plug needs EFFICIENT OPERATION tarter MARK V can also run 6v batter FEATURES AMERICAN MADE QUALITY PULSE DRIVER FOR ANY 1v PLUG 6v 12v FUEL PUMP SUPPLY DIRECTIONAL PUMP FLOW SWITCHES 48v 96v FAST CHARGER AMMETER MONITORING PLUG CHARGER CONNECTING HARDWARE INCLUDED TWIN OWNERS MARK V lights 2 plugs NO ADJUSTMENTS Only $4795 Also Available Kit Form $3995 SEE DEALER FIRSTADA Enterprises unavailableOrder DirectMALUAOTIoANA4 Ph N 8121 7U4028 63 31 8 Span 1 Scale 60 Engine S-9 lbsReady Fly model has molded rigid eurathane foam white epoxy jell coat surface picks up great amount detail Fuselagewings aileron fin rudder stabilizer elevator h cowl molded ready assembly installation equipment painting hardware including scale wheels struts extras Suggested List $285 Factory Direct $228 send SASE brochure PO Box 308 Tawas City MI 48763 & lYlold Co15171362-6078 ignored tolerated like mosquito announces its presence annoying buzz will thought dealt nuisance plane am learning tly Sig Kadet chose K&B 40 en gine Now popular engine widely used $6t worth mufflers later still havent found consider quiet Some arent mufflers rest effective broadest comparative sense could live muffler weighed eight 0/ could live muffler cut power output 25% better thought having use Kadet display-only model because nearest tivine field too far away worth trip Since Paul addresses several issues letter let respond first com ments model size/weight would guess present time comparison insurance company claims involving inci dents associated model aircraft would result apparent conclusion models small catecory say up 10 12 lb hazardous Giant models reason course sheer number such models compared number Giants currently being flown average club field statistics could analyzed incidents per hour flight time big versus small models would again guess smaller models would have worse accident record rationale such statement majority Giant-model builders experienced fliers would therefore likely react correctly in-flight problem So based past record probably no reason treat big models differently small mod els Im going get discussion column regarding Pauls comments standardization world-wide practices Ive argument past over pros cons following FAI rules AMA-sanctioned competition Its inter esting opponents FAI rules comes Scale model competition object grounds low model weights currently permitted major objective Scale modelers build model looks real also flies realistic manner regard big ones have spades over built conform FAI imposed limits max weight currently 6 kg 1233 lb RC Anyway Pauls next subject public relations noise long ago concluded so-called mufflers being offered sale nothing travesties word muf fler fulfill club competition re quirement states thou shall equip thy engine muffler thats far goes happen own pseudo-mufflers Paul refers bought simply because thingy name muffler package local hobby store could Continued page 162 16 Model Aviation W PLUG ADVANCED INTEGRATED CIRCUITRY T6 SN Harvard NEW R/C BOOKLET Answers questions often asked want get started RIG U&A.wmfl\\i flying PLUS troduces best airplane start EN FALCON receive copy SEND $200 TO ST CROIX OF PARK FALLS LTD PO Rex 279P Park Falls WI 54552 well-wrapped foam rubber actuator bolted ply bridge between F4 F5 suitable nut should epoxied under plywood strip make easier attach remove actuator torque rod bent 1/16-in wire attached actuator scrap plastic tubing front end held place hack 1/16 ply bearing rudder actuator wire soldered onto torque rod final installation sure correctly aligned Keep checking during operations ensure everything free friction possible final item wire loop attached rudder held place small bolt Rudder throw' changed moving loop up down Flight testing treat single-channel RC models essentially Free Flights use rudder control occasionally nudge model back home base possible loops things complicated sets rudder lefts rights etc prefer sport flying aspect modelsand leave acrobatics models few channels first thing set up balance few test glides Check CG roughly position shown plans try few hand glides Make corrections necessarya little nose weight stall ing glide vice versa Shimming wing alternative using ballast glide seems about right try some power flights make final corrections rudder throw glide path After shouldjust fun Enjoy Editor We saddened report author Jack Ileadley succumbed heart attack few weeks before article scheduled printing issue Through years Jacks fine articles designs have appeared other model magazines sympathy goes Jack Headleys family friends loss Safety/Preston Continued page 16 produce fit 60-size engine using After outing flying field requires mufflers engine over 10 cu retired thingy because its inability attenuate noise useful purpose type muffler seems serve duct exhaust gook outside engine cowling scale-type model Some might familiar lawsuit against Omahawks RC Club Nebraska neighbor flying site attempting collect $50000 dam ages relating noise complaints Since club chartered AMA should plaintiff suit successful could very expensive club mem ber Noise very often tangible thing flying field neighbor can latch onto real complaint could just dont like see enjoying selves Paul suggests AMA should use its influence industry promote effective mufflers Well could happen AMA Noise Committee chaired District VP Ed Izzo examining components model airplane produce noise experimenting Pattern-type model see what can done reduce total sound output fact Im late writing column havent yet mowed lawn would Executive Council meeting AMA HQ today would prob ably hear Ed tell Council about com mittees progress regard noise produced big models Ive never seen sound output measurements print subjectively big gas burners far less obnoxious screaming 60s real gems comes acceptable pleasant sound new crop four-stroke model engines used four-strokes wouldnt mind betting majority noise problems would vanish time pick up new issue model magazine see motors being reviewed advertised Perhaps sometime not-too-distant future will state-of-the-art model aircraft engine Another letter received last month comes Doug MacBrien Granby MA happens Giant model enthusiast topic letter should concern fliers RC models big small subject transmitters whistles & bells' over Doug Radio equipment model aircraft has become very reliable increasingly sophisticated Reliability greatmore complicated controls can lead disaster Thats what letters about bought new radio last year new models dual rates mixer switches servo reversingall latest Dual rate great Pattern fliers guess almost destroyed new model tried split-S elevator LO rate just missed ground about two feet Ive learned something since incident turned adjustment back transmitter fully CW LO rate same HI rate mixer switch something else transmitter its three-position toggle switch top case easily knocked out position flying new Giant Scale model took hundreds hours build After two good flights tried third model taxied OK made undesired 9fl0 right turn after takeoffit uncontrollable could see going crash thought radio out cut throttle watched despair big model went trees Sometime later after recovered pieces looked transmitter mixer switch rudder/elevator Mix posi 162 Model Aviation GONTIOLIKI TillS PROFILE0COMBA 70 RAT WIDE & NARROW WEDGE 15 -- 6 oz Capacities NIFLOW & TIIDD Uustrn 31mM hun Ingredients detailed br0ChUIe5OC stamps/Check Oni CAROLINATAFFINDER 8345 Delhi Road Charleston Hgts SC 29418 803-563-7169 ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX AMA Membership55 AceRClnc47 Aero Tech RC150 Air Design84 Airtronics2 Phase Art144 American RC Helicopters141 Americas Hobby Center25 Astro Flight54 Balsa USA6-7 Bavarian Precision Products158 Behrens Plan Service160 Dave Brown Products76 Bru Line Industries84 Byron Originals4351 Carlberg Companies136 Carolina-Taffinder162 Johnnie Casburn Mfg23 Chaiies RC Goodies84 Circus Hobbles94-100 Cleveland Model & Supply153 Eric Clutton153 Condor Hobbies137 Consumers Guide RC Aircraft Prod. Consumers Hobby Corp156-157 Coverite162 DA Enterprises D&D Engineering DG Products DGA Designs 0GM Industries Detroit Expo Dougs Hobby Shop ro Products Dynathrust Props Addis Elmore Fab-Tek Inc FAI Model Supply FHS Supply Flite Line Products Flyline Models 16 144 160 163 155 18-19 26 - 148 145 140 151 - 10 161 159 4 11 142-143 154 9 150 77 133 69 Fourmost Products69 Fox Mfg Co145 Full Command Systems37 Futaba Corp America29 Gator RC Products158 Carl Goldberg Models159 Gorham Model Products14 Great Lakes Model & Mold Co16 Great Planes Mod Mfg CoInside Front Cover Grish Brothers140 Art Gross Enterprises159 Hardware Systems Historic Aviation Hobby Barn Hobby Horn Hobby Lobby International Hobby Radio Shop Hobby Shack Horizon Model Crafts Hotel Harrington indy RC Sales J-5 Enterprises Hi Johnson Model Products K&B Manufacturing Co K&S Engineering Kraft Systems Kustom Kraftsmanship Leisure Electronics Lone Star Models MACS Products152 Majestic Models150 McDaniel RC Service163 Jim Messers Quality Model Products Midwest Products85 Mills Airplane Models76 Miniature Aircraft Supply149 Model Rectifier Corp side Back Cover Mutchiers Hobbies146-147 Nor-Cal Avionics37 159 151 45 145 152 155 Ohio Superstar P Productions P&G Metal Products Pacer Technology & Resources Pacific Air Pica Products Polks Hobby RC Kits Mfg RF Enterprises RJL Industries RLF Products Radio South Repla-Tech International Richardson Precision Machining Robbe Modelisport Norm Rosenstock Roush Mfg Co 28 154 137 17 144 15 27 69 85 94 136 - 137 155 140 134-135 137 - 49 51 148 155 93 28 13 148 14 162 160 154 54 158 24 1 153 SR Batteries S&W Hobby Supply Co Saf-Flite Models 138-139 Satellite City Sheldons Hobby Shop 54 Sig Manufacturing Co 76 Sonic-Tronics Squadron-Signal Publications St Croix Park Falls Ltd Swanson Associates T&D Fiberglass Tatone Products Taylor-Craft Ltd Tide Distributors Inc Top Flite Models Tower Hobbies WE Technical Services136 Williams Brothers4 Windsor Propeller Co8 World EnginesBack Cover Xplorer Enterprises51 Zenith Aviation Books5 Nick Ziroli Models10 152 ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX tion other two positions straight up offno mixing Rudder/Aileron Neither positions will get trouble Rudder/Elevator mix gives Right Rudder Up Elevator Left Rudder Down Elevator Down Elevator Right Rudder Up Elevator Left Rudder understand iis V-tailed aircraft doesnt belong its present exposed position fix Ive glued hardwood wedge switch using CyA glue cannot moved Rudder/Elevator position 1 hope will save others simi lar disastrous accident Mine unique experience mixer switches Ive heard other crashes similar Im beginner either Ive logged over 250 hours RC model pilot time last five half years See Nats' record Dougs notepaper features in-flight photograph A-scale Druine Turbulent offers plans Doug also offers plans OS2U Kingfisher powered two cu Quadra model ended up trees due ihe mixed-up mixer switch Time now go mow lawn Maybe should think about buying some sheep Have safe month John Preston 70/2 Elvira Ct Falls Church VA 22042 RC Aerobatics/Van Putte Continued page 45 donated hatful money contest nothing tried cured problem year decided attack foaming problem different way Besides putting much padding possible between tank fuselage adding antifoaming compound Dow Corning DB-l00 fuel placed old-style large Sullivan filters fuel line under neath engine theory small reservoir close engine would allow fuel stop foaming engine could draw nonfoaming fuel Apparently theory works because engine has running great ever since Now needle valve has some authority again feel comfortable adjusting engine just begins break two-cycle Just case larger reservoir turns out necessary also plan try Sullivan one-oz slantAugust 1983 163 Astounding not attainabie plastics.. very light weight discriminating hobbiest. Either Pilot version kit.. Sportsman Barnstormer.. Darn Good Airmen .. complete Portable power glow plugs fits shin pooket Using HeadlockTM adapter allows stay plug oat get iota propeller Rechargeable op 10119 times 511 day warracty No wore bulky batteries cables Order say NI-STARTFR either 115 2213 12 colt fast charger Instructions isoladed Also acailable charger See yaar deeler Order direct tram us visa ft Mastercard accepted Please specify type charger Add 51511 postage IUSAI NI-if L lilfo. $2195 NIHI-1E 225 o. $2195 NI-lILlA 120 adap $21ggNI-HL-1Nc Na charger $1295 laseeGleedandee Dr Iloredon VA221171 USA 79243551355 1/I Scale 11L5 @1/2 Scale S1O See Dealer add Used rAA Intercat Froina Sods Dollar direct order handling NyS Resideets acts % Sales tanI
Edition: Model Aviation - 1983/08
Page Numbers: 12, 14, 16, 162, 163
____first Svines thoughts safety aspects big models Model noise mufflers muffle Safety aspects RC transmitters equipped bells 0 John Preston THIS column being written April 30th issue concerning change weight limit model aircraft has yet resolved During past month received letter phone call sub ject both suggestions worth repeating will also passed AMA Safety Committee phone call came Kent Walters may remember sub mitted three requests Execu tive Council change model weight limit Kent requested raising around 100 lb brief Kent suggests single model weight-limit currently 55 lb may appropriate flying sites penalize modelers have desert flying site acres nothingness fly over limit thai really necessary live congested areas such East Coast corridor January 1983 letter Kent following comments about Bill Northrop proposal lower current weight limit 55 lb down 40 lb proposal Bill Northrop appar ently attempts prevent flying models weighing 40 lb AMAsanctioned competition event AMA-insured site effectively killing pos sibilites flying models above 40 lb AMAs blessings regardless size site conditions Perhaps simply indi cates reflect culture individually live residing con gested large metropolitan area few limited sites possible under standing Bills viewpoint After thats objections large models originate However plenty sites capable safely accommodating large models general AMA should reflect defining insuraixe coverage such models AMAs recognition larger siterequirements increased insurance cover age larger models has started helping modeling community provide safer sites classes RC aircraft large small incentive modelers continue establishing larger sites future years will diminished realistic recognition program AMA big models Some interesting thoughts come mind result pondering Kents suggestions example should pay different amounts insurance coverage according geographical location After auto insurance underwriters have long since rec Continued page 14 12 Model Aviation John wanted fly Davis-Dieselized 60 local club field buy muffler legal thingy available local hobby shop would fit engine didnt muffle too wellbut did keep goop off canopy K - 5-- NIS A1S AE V SNS1TIVE NAmES LOIAD NOISES ognized disparity accident probability between say New York City Podunk Iowa really town name have tailored rates accordingly Again borrowing auto insurance prac tice might set insurance premiums according size model Biggies would cost Comments Kents sug gestions welcomed especially regard strict site requirements large models letter subject model size weight comes Paul Beretta re sides Glen Cove NY didnt get Geography thats Long Island would say definitely qualifies belonging congested East Coast corridor Paul wrote following As newcomer RC flying held back responding call input size/weight controversy after reading May column Thats messed op JP decided put two cents worth view activity done enjoyment two valid reasons limits kindsafety public relations activity becomes com petitive third reason addedstandardization worldwide practices Taking last point first seems logical AMA would follow FAI stan dards classes competition world-class competition save American fliers problem having maintain two sets equipment skills use effectively com petition Going back first point safety would say demonstrable reason such insurance company statistics provable interference radar air ports banning limiting use model aircraft above certain size engine displacement must protect hobby whole have right limit groups method enjoying hobby simply because another faction thinks looks unsafe revolves around question whether large planes actually involved higher percentage serious kind accidents smaller counterparts issue public relations resident heavily populated New York metropolitan area see noise size single greatest threat continued enjoyment hobby firm opin ion AMA will have become driving force alert manufacturers fliers alike danger excess noise poses hobby think AMA position use its influence industry promote design effective mufflers mandating use available competition flying pro moting use flying Lets face John sound engines music ears nonhobbyist neighbors neighbors plane Quarter Scale Half-A speck sky quiet speck will Continued page 16 14 Model Aviation O New .xpandable~ concept ror nencoprers o The Competitor will fly 45 50 060 size engines O model can take novice flying winning AMA expert class Advanced design features never before seen R/C Helicopter Triple ball bearings main tail rotor hubsLight weight l construction AutorotationLow cost parts Controls designed inverted flightA11 versions fully aerobatic FAI patterns Dual ball bearing tail pitch controlSpiral hypoid gears main tail drives EASTERN US HELICENTER EAST 4121342-5500 Documentation New actions iuou Kyraider action Look SquadronlSignal Display ALL better Hobby Shops Book Stores favorite Hobby Shop Bookstore does carry Squadron/Signal books send S50 postage & handling Name Address us FREE Squadron/Signal catalog Squadron/Signal Publications Dept SP2 1115 Crowley Dr Carrollton Tx 75011-5010 1973 DAE Revolutionized Modeling Statement Now Battery Can ALL AGAIN DAE ADVANCES THE ART OF ELECTRONIC ENGINE STARTING LOW POWER CONSUMPTIONOnly 800 milliamps maximum battery drain SOLID 15v PLUG OUTPUT Maintains 15v starter LIGHTS ANY 11/2V PLUGAutomatically adjusts current plug needs EFFICIENT OPERATION tarter MARK V can also run 6v batter FEATURES AMERICAN MADE QUALITY PULSE DRIVER FOR ANY 1v PLUG 6v 12v FUEL PUMP SUPPLY DIRECTIONAL PUMP FLOW SWITCHES 48v 96v FAST CHARGER AMMETER MONITORING PLUG CHARGER CONNECTING HARDWARE INCLUDED TWIN OWNERS MARK V lights 2 plugs NO ADJUSTMENTS Only $4795 Also Available Kit Form $3995 SEE DEALER FIRSTADA Enterprises unavailableOrder DirectMALUAOTIoANA4 Ph N 8121 7U4028 63 31 8 Span 1 Scale 60 Engine S-9 lbsReady Fly model has molded rigid eurathane foam white epoxy jell coat surface picks up great amount detail Fuselagewings aileron fin rudder stabilizer elevator h cowl molded ready assembly installation equipment painting hardware including scale wheels struts extras Suggested List $285 Factory Direct $228 send SASE brochure PO Box 308 Tawas City MI 48763 & lYlold Co15171362-6078 ignored tolerated like mosquito announces its presence annoying buzz will thought dealt nuisance plane am learning tly Sig Kadet chose K&B 40 en gine Now popular engine widely used $6t worth mufflers later still havent found consider quiet Some arent mufflers rest effective broadest comparative sense could live muffler weighed eight 0/ could live muffler cut power output 25% better thought having use Kadet display-only model because nearest tivine field too far away worth trip Since Paul addresses several issues letter let respond first com ments model size/weight would guess present time comparison insurance company claims involving inci dents associated model aircraft would result apparent conclusion models small catecory say up 10 12 lb hazardous Giant models reason course sheer number such models compared number Giants currently being flown average club field statistics could analyzed incidents per hour flight time big versus small models would again guess smaller models would have worse accident record rationale such statement majority Giant-model builders experienced fliers would therefore likely react correctly in-flight problem So based past record probably no reason treat big models differently small mod els Im going get discussion column regarding Pauls comments standardization world-wide practices Ive argument past over pros cons following FAI rules AMA-sanctioned competition Its inter esting opponents FAI rules comes Scale model competition object grounds low model weights currently permitted major objective Scale modelers build model looks real also flies realistic manner regard big ones have spades over built conform FAI imposed limits max weight currently 6 kg 1233 lb RC Anyway Pauls next subject public relations noise long ago concluded so-called mufflers being offered sale nothing travesties word muf fler fulfill club competition re quirement states thou shall equip thy engine muffler thats far goes happen own pseudo-mufflers Paul refers bought simply because thingy name muffler package local hobby store could Continued page 162 16 Model Aviation W PLUG ADVANCED INTEGRATED CIRCUITRY T6 SN Harvard NEW R/C BOOKLET Answers questions often asked want get started RIG U&A.wmfl\\i flying PLUS troduces best airplane start EN FALCON receive copy SEND $200 TO ST CROIX OF PARK FALLS LTD PO Rex 279P Park Falls WI 54552 well-wrapped foam rubber actuator bolted ply bridge between F4 F5 suitable nut should epoxied under plywood strip make easier attach remove actuator torque rod bent 1/16-in wire attached actuator scrap plastic tubing front end held place hack 1/16 ply bearing rudder actuator wire soldered onto torque rod final installation sure correctly aligned Keep checking during operations ensure everything free friction possible final item wire loop attached rudder held place small bolt Rudder throw' changed moving loop up down Flight testing treat single-channel RC models essentially Free Flights use rudder control occasionally nudge model back home base possible loops things complicated sets rudder lefts rights etc prefer sport flying aspect modelsand leave acrobatics models few channels first thing set up balance few test glides Check CG roughly position shown plans try few hand glides Make corrections necessarya little nose weight stall ing glide vice versa Shimming wing alternative using ballast glide seems about right try some power flights make final corrections rudder throw glide path After shouldjust fun Enjoy Editor We saddened report author Jack Ileadley succumbed heart attack few weeks before article scheduled printing issue Through years Jacks fine articles designs have appeared other model magazines sympathy goes Jack Headleys family friends loss Safety/Preston Continued page 16 produce fit 60-size engine using After outing flying field requires mufflers engine over 10 cu retired thingy because its inability attenuate noise useful purpose type muffler seems serve duct exhaust gook outside engine cowling scale-type model Some might familiar lawsuit against Omahawks RC Club Nebraska neighbor flying site attempting collect $50000 dam ages relating noise complaints Since club chartered AMA should plaintiff suit successful could very expensive club mem ber Noise very often tangible thing flying field neighbor can latch onto real complaint could just dont like see enjoying selves Paul suggests AMA should use its influence industry promote effective mufflers Well could happen AMA Noise Committee chaired District VP Ed Izzo examining components model airplane produce noise experimenting Pattern-type model see what can done reduce total sound output fact Im late writing column havent yet mowed lawn would Executive Council meeting AMA HQ today would prob ably hear Ed tell Council about com mittees progress regard noise produced big models Ive never seen sound output measurements print subjectively big gas burners far less obnoxious screaming 60s real gems comes acceptable pleasant sound new crop four-stroke model engines used four-strokes wouldnt mind betting majority noise problems would vanish time pick up new issue model magazine see motors being reviewed advertised Perhaps sometime not-too-distant future will state-of-the-art model aircraft engine Another letter received last month comes Doug MacBrien Granby MA happens Giant model enthusiast topic letter should concern fliers RC models big small subject transmitters whistles & bells' over Doug Radio equipment model aircraft has become very reliable increasingly sophisticated Reliability greatmore complicated controls can lead disaster Thats what letters about bought new radio last year new models dual rates mixer switches servo reversingall latest Dual rate great Pattern fliers guess almost destroyed new model tried split-S elevator LO rate just missed ground about two feet Ive learned something since incident turned adjustment back transmitter fully CW LO rate same HI rate mixer switch something else transmitter its three-position toggle switch top case easily knocked out position flying new Giant Scale model took hundreds hours build After two good flights tried third model taxied OK made undesired 9fl0 right turn after takeoffit uncontrollable could see going crash thought radio out cut throttle watched despair big model went trees Sometime later after recovered pieces looked transmitter mixer switch rudder/elevator Mix posi 162 Model Aviation GONTIOLIKI TillS PROFILE0COMBA 70 RAT WIDE & NARROW WEDGE 15 -- 6 oz Capacities NIFLOW & TIIDD Uustrn 31mM hun Ingredients detailed br0ChUIe5OC stamps/Check Oni CAROLINATAFFINDER 8345 Delhi Road Charleston Hgts SC 29418 803-563-7169 ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX AMA Membership55 AceRClnc47 Aero Tech RC150 Air Design84 Airtronics2 Phase Art144 American RC Helicopters141 Americas Hobby Center25 Astro Flight54 Balsa USA6-7 Bavarian Precision Products158 Behrens Plan Service160 Dave Brown Products76 Bru Line Industries84 Byron Originals4351 Carlberg Companies136 Carolina-Taffinder162 Johnnie Casburn Mfg23 Chaiies RC Goodies84 Circus Hobbles94-100 Cleveland Model & Supply153 Eric Clutton153 Condor Hobbies137 Consumers Guide RC Aircraft Prod. Consumers Hobby Corp156-157 Coverite162 DA Enterprises D&D Engineering DG Products DGA Designs 0GM Industries Detroit Expo Dougs Hobby Shop ro Products Dynathrust Props Addis Elmore Fab-Tek Inc FAI Model Supply FHS Supply Flite Line Products Flyline Models 16 144 160 163 155 18-19 26 - 148 145 140 151 - 10 161 159 4 11 142-143 154 9 150 77 133 69 Fourmost Products69 Fox Mfg Co145 Full Command Systems37 Futaba Corp America29 Gator RC Products158 Carl Goldberg Models159 Gorham Model Products14 Great Lakes Model & Mold Co16 Great Planes Mod Mfg CoInside Front Cover Grish Brothers140 Art Gross Enterprises159 Hardware Systems Historic Aviation Hobby Barn Hobby Horn Hobby Lobby International Hobby Radio Shop Hobby Shack Horizon Model Crafts Hotel Harrington indy RC Sales J-5 Enterprises Hi Johnson Model Products K&B Manufacturing Co K&S Engineering Kraft Systems Kustom Kraftsmanship Leisure Electronics Lone Star Models MACS Products152 Majestic Models150 McDaniel RC Service163 Jim Messers Quality Model Products Midwest Products85 Mills Airplane Models76 Miniature Aircraft Supply149 Model Rectifier Corp side Back Cover Mutchiers Hobbies146-147 Nor-Cal Avionics37 159 151 45 145 152 155 Ohio Superstar P Productions P&G Metal Products Pacer Technology & Resources Pacific Air Pica Products Polks Hobby RC Kits Mfg RF Enterprises RJL Industries RLF Products Radio South Repla-Tech International Richardson Precision Machining Robbe Modelisport Norm Rosenstock Roush Mfg Co 28 154 137 17 144 15 27 69 85 94 136 - 137 155 140 134-135 137 - 49 51 148 155 93 28 13 148 14 162 160 154 54 158 24 1 153 SR Batteries S&W Hobby Supply Co Saf-Flite Models 138-139 Satellite City Sheldons Hobby Shop 54 Sig Manufacturing Co 76 Sonic-Tronics Squadron-Signal Publications St Croix Park Falls Ltd Swanson Associates T&D Fiberglass Tatone Products Taylor-Craft Ltd Tide Distributors Inc Top Flite Models Tower Hobbies WE Technical Services136 Williams Brothers4 Windsor Propeller Co8 World EnginesBack Cover Xplorer Enterprises51 Zenith Aviation Books5 Nick Ziroli Models10 152 ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX tion other two positions straight up offno mixing Rudder/Aileron Neither positions will get trouble Rudder/Elevator mix gives Right Rudder Up Elevator Left Rudder Down Elevator Down Elevator Right Rudder Up Elevator Left Rudder understand iis V-tailed aircraft doesnt belong its present exposed position fix Ive glued hardwood wedge switch using CyA glue cannot moved Rudder/Elevator position 1 hope will save others simi lar disastrous accident Mine unique experience mixer switches Ive heard other crashes similar Im beginner either Ive logged over 250 hours RC model pilot time last five half years See Nats' record Dougs notepaper features in-flight photograph A-scale Druine Turbulent offers plans Doug also offers plans OS2U Kingfisher powered two cu Quadra model ended up trees due ihe mixed-up mixer switch Time now go mow lawn Maybe should think about buying some sheep Have safe month John Preston 70/2 Elvira Ct Falls Church VA 22042 RC Aerobatics/Van Putte Continued page 45 donated hatful money contest nothing tried cured problem year decided attack foaming problem different way Besides putting much padding possible between tank fuselage adding antifoaming compound Dow Corning DB-l00 fuel placed old-style large Sullivan filters fuel line under neath engine theory small reservoir close engine would allow fuel stop foaming engine could draw nonfoaming fuel Apparently theory works because engine has running great ever since Now needle valve has some authority again feel comfortable adjusting engine just begins break two-cycle Just case larger reservoir turns out necessary also plan try Sullivan one-oz slantAugust 1983 163 Astounding not attainabie plastics.. very light weight discriminating hobbiest. Either Pilot version kit.. Sportsman Barnstormer.. Darn Good Airmen .. complete Portable power glow plugs fits shin pooket Using HeadlockTM adapter allows stay plug oat get iota propeller Rechargeable op 10119 times 511 day warracty No wore bulky batteries cables Order say NI-STARTFR either 115 2213 12 colt fast charger Instructions isoladed Also acailable charger See yaar deeler Order direct tram us visa ft Mastercard accepted Please specify type charger Add 51511 postage IUSAI NI-if L lilfo. $2195 NIHI-1E 225 o. $2195 NI-lILlA 120 adap $21ggNI-HL-1Nc Na charger $1295 laseeGleedandee Dr Iloredon VA221171 USA 79243551355 1/I Scale 11L5 @1/2 Scale S1O See Dealer add Used rAA Intercat Froina Sods Dollar direct order handling NyS Resideets acts % Sales tanI
Edition: Model Aviation - 1983/08
Page Numbers: 12, 14, 16, 162, 163
____first Svines thoughts safety aspects big models Model noise mufflers muffle Safety aspects RC transmitters equipped bells 0 John Preston THIS column being written April 30th issue concerning change weight limit model aircraft has yet resolved During past month received letter phone call sub ject both suggestions worth repeating will also passed AMA Safety Committee phone call came Kent Walters may remember sub mitted three requests Execu tive Council change model weight limit Kent requested raising around 100 lb brief Kent suggests single model weight-limit currently 55 lb may appropriate flying sites penalize modelers have desert flying site acres nothingness fly over limit thai really necessary live congested areas such East Coast corridor January 1983 letter Kent following comments about Bill Northrop proposal lower current weight limit 55 lb down 40 lb proposal Bill Northrop appar ently attempts prevent flying models weighing 40 lb AMAsanctioned competition event AMA-insured site effectively killing pos sibilites flying models above 40 lb AMAs blessings regardless size site conditions Perhaps simply indi cates reflect culture individually live residing con gested large metropolitan area few limited sites possible under standing Bills viewpoint After thats objections large models originate However plenty sites capable safely accommodating large models general AMA should reflect defining insuraixe coverage such models AMAs recognition larger siterequirements increased insurance cover age larger models has started helping modeling community provide safer sites classes RC aircraft large small incentive modelers continue establishing larger sites future years will diminished realistic recognition program AMA big models Some interesting thoughts come mind result pondering Kents suggestions example should pay different amounts insurance coverage according geographical location After auto insurance underwriters have long since rec Continued page 14 12 Model Aviation John wanted fly Davis-Dieselized 60 local club field buy muffler legal thingy available local hobby shop would fit engine didnt muffle too wellbut did keep goop off canopy K - 5-- NIS A1S AE V SNS1TIVE NAmES LOIAD NOISES ognized disparity accident probability between say New York City Podunk Iowa really town name have tailored rates accordingly Again borrowing auto insurance prac tice might set insurance premiums according size model Biggies would cost Comments Kents sug gestions welcomed especially regard strict site requirements large models letter subject model size weight comes Paul Beretta re sides Glen Cove NY didnt get Geography thats Long Island would say definitely qualifies belonging congested East Coast corridor Paul wrote following As newcomer RC flying held back responding call input size/weight controversy after reading May column Thats messed op JP decided put two cents worth view activity done enjoyment two valid reasons limits kindsafety public relations activity becomes com petitive third reason addedstandardization worldwide practices Taking last point first seems logical AMA would follow FAI stan dards classes competition world-class competition save American fliers problem having maintain two sets equipment skills use effectively com petition Going back first point safety would say demonstrable reason such insurance company statistics provable interference radar air ports banning limiting use model aircraft above certain size engine displacement must protect hobby whole have right limit groups method enjoying hobby simply because another faction thinks looks unsafe revolves around question whether large planes actually involved higher percentage serious kind accidents smaller counterparts issue public relations resident heavily populated New York metropolitan area see noise size single greatest threat continued enjoyment hobby firm opin ion AMA will have become driving force alert manufacturers fliers alike danger excess noise poses hobby think AMA position use its influence industry promote design effective mufflers mandating use available competition flying pro moting use flying Lets face John sound engines music ears nonhobbyist neighbors neighbors plane Quarter Scale Half-A speck sky quiet speck will Continued page 16 14 Model Aviation O New .xpandable~ concept ror nencoprers o The Competitor will fly 45 50 060 size engines O model can take novice flying winning AMA expert class Advanced design features never before seen R/C Helicopter Triple ball bearings main tail rotor hubsLight weight l construction AutorotationLow cost parts Controls designed inverted flightA11 versions fully aerobatic FAI patterns Dual ball bearing tail pitch controlSpiral hypoid gears main tail drives EASTERN US HELICENTER EAST 4121342-5500 Documentation New actions iuou Kyraider action Look SquadronlSignal Display ALL better Hobby Shops Book Stores favorite Hobby Shop Bookstore does carry Squadron/Signal books send S50 postage & handling Name Address us FREE Squadron/Signal catalog Squadron/Signal Publications Dept SP2 1115 Crowley Dr Carrollton Tx 75011-5010 1973 DAE Revolutionized Modeling Statement Now Battery Can ALL AGAIN DAE ADVANCES THE ART OF ELECTRONIC ENGINE STARTING LOW POWER CONSUMPTIONOnly 800 milliamps maximum battery drain SOLID 15v PLUG OUTPUT Maintains 15v starter LIGHTS ANY 11/2V PLUGAutomatically adjusts current plug needs EFFICIENT OPERATION tarter MARK V can also run 6v batter FEATURES AMERICAN MADE QUALITY PULSE DRIVER FOR ANY 1v PLUG 6v 12v FUEL PUMP SUPPLY DIRECTIONAL PUMP FLOW SWITCHES 48v 96v FAST CHARGER AMMETER MONITORING PLUG CHARGER CONNECTING HARDWARE INCLUDED TWIN OWNERS MARK V lights 2 plugs NO ADJUSTMENTS Only $4795 Also Available Kit Form $3995 SEE DEALER FIRSTADA Enterprises unavailableOrder DirectMALUAOTIoANA4 Ph N 8121 7U4028 63 31 8 Span 1 Scale 60 Engine S-9 lbsReady Fly model has molded rigid eurathane foam white epoxy jell coat surface picks up great amount detail Fuselagewings aileron fin rudder stabilizer elevator h cowl molded ready assembly installation equipment painting hardware including scale wheels struts extras Suggested List $285 Factory Direct $228 send SASE brochure PO Box 308 Tawas City MI 48763 & lYlold Co15171362-6078 ignored tolerated like mosquito announces its presence annoying buzz will thought dealt nuisance plane am learning tly Sig Kadet chose K&B 40 en gine Now popular engine widely used $6t worth mufflers later still havent found consider quiet Some arent mufflers rest effective broadest comparative sense could live muffler weighed eight 0/ could live muffler cut power output 25% better thought having use Kadet display-only model because nearest tivine field too far away worth trip Since Paul addresses several issues letter let respond first com ments model size/weight would guess present time comparison insurance company claims involving inci dents associated model aircraft would result apparent conclusion models small catecory say up 10 12 lb hazardous Giant models reason course sheer number such models compared number Giants currently being flown average club field statistics could analyzed incidents per hour flight time big versus small models would again guess smaller models would have worse accident record rationale such statement majority Giant-model builders experienced fliers would therefore likely react correctly in-flight problem So based past record probably no reason treat big models differently small mod els Im going get discussion column regarding Pauls comments standardization world-wide practices Ive argument past over pros cons following FAI rules AMA-sanctioned competition Its inter esting opponents FAI rules comes Scale model competition object grounds low model weights currently permitted major objective Scale modelers build model looks real also flies realistic manner regard big ones have spades over built conform FAI imposed limits max weight currently 6 kg 1233 lb RC Anyway Pauls next subject public relations noise long ago concluded so-called mufflers being offered sale nothing travesties word muf fler fulfill club competition re quirement states thou shall equip thy engine muffler thats far goes happen own pseudo-mufflers Paul refers bought simply because thingy name muffler package local hobby store could Continued page 162 16 Model Aviation W PLUG ADVANCED INTEGRATED CIRCUITRY T6 SN Harvard NEW R/C BOOKLET Answers questions often asked want get started RIG U&A.wmfl\\i flying PLUS troduces best airplane start EN FALCON receive copy SEND $200 TO ST CROIX OF PARK FALLS LTD PO Rex 279P Park Falls WI 54552 well-wrapped foam rubber actuator bolted ply bridge between F4 F5 suitable nut should epoxied under plywood strip make easier attach remove actuator torque rod bent 1/16-in wire attached actuator scrap plastic tubing front end held place hack 1/16 ply bearing rudder actuator wire soldered onto torque rod final installation sure correctly aligned Keep checking during operations ensure everything free friction possible final item wire loop attached rudder held place small bolt Rudder throw' changed moving loop up down Flight testing treat single-channel RC models essentially Free Flights use rudder control occasionally nudge model back home base possible loops things complicated sets rudder lefts rights etc prefer sport flying aspect modelsand leave acrobatics models few channels first thing set up balance few test glides Check CG roughly position shown plans try few hand glides Make corrections necessarya little nose weight stall ing glide vice versa Shimming wing alternative using ballast glide seems about right try some power flights make final corrections rudder throw glide path After shouldjust fun Enjoy Editor We saddened report author Jack Ileadley succumbed heart attack few weeks before article scheduled printing issue Through years Jacks fine articles designs have appeared other model magazines sympathy goes Jack Headleys family friends loss Safety/Preston Continued page 16 produce fit 60-size engine using After outing flying field requires mufflers engine over 10 cu retired thingy because its inability attenuate noise useful purpose type muffler seems serve duct exhaust gook outside engine cowling scale-type model Some might familiar lawsuit against Omahawks RC Club Nebraska neighbor flying site attempting collect $50000 dam ages relating noise complaints Since club chartered AMA should plaintiff suit successful could very expensive club mem ber Noise very often tangible thing flying field neighbor can latch onto real complaint could just dont like see enjoying selves Paul suggests AMA should use its influence industry promote effective mufflers Well could happen AMA Noise Committee chaired District VP Ed Izzo examining components model airplane produce noise experimenting Pattern-type model see what can done reduce total sound output fact Im late writing column havent yet mowed lawn would Executive Council meeting AMA HQ today would prob ably hear Ed tell Council about com mittees progress regard noise produced big models Ive never seen sound output measurements print subjectively big gas burners far less obnoxious screaming 60s real gems comes acceptable pleasant sound new crop four-stroke model engines used four-strokes wouldnt mind betting majority noise problems would vanish time pick up new issue model magazine see motors being reviewed advertised Perhaps sometime not-too-distant future will state-of-the-art model aircraft engine Another letter received last month comes Doug MacBrien Granby MA happens Giant model enthusiast topic letter should concern fliers RC models big small subject transmitters whistles & bells' over Doug Radio equipment model aircraft has become very reliable increasingly sophisticated Reliability greatmore complicated controls can lead disaster Thats what letters about bought new radio last year new models dual rates mixer switches servo reversingall latest Dual rate great Pattern fliers guess almost destroyed new model tried split-S elevator LO rate just missed ground about two feet Ive learned something since incident turned adjustment back transmitter fully CW LO rate same HI rate mixer switch something else transmitter its three-position toggle switch top case easily knocked out position flying new Giant Scale model took hundreds hours build After two good flights tried third model taxied OK made undesired 9fl0 right turn after takeoffit uncontrollable could see going crash thought radio out cut throttle watched despair big model went trees Sometime later after recovered pieces looked transmitter mixer switch rudder/elevator Mix posi 162 Model Aviation GONTIOLIKI TillS PROFILE0COMBA 70 RAT WIDE & NARROW WEDGE 15 -- 6 oz Capacities NIFLOW & TIIDD Uustrn 31mM hun Ingredients detailed br0ChUIe5OC stamps/Check Oni CAROLINATAFFINDER 8345 Delhi Road Charleston Hgts SC 29418 803-563-7169 ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX AMA Membership55 AceRClnc47 Aero Tech RC150 Air Design84 Airtronics2 Phase Art144 American RC Helicopters141 Americas Hobby Center25 Astro Flight54 Balsa USA6-7 Bavarian Precision Products158 Behrens Plan Service160 Dave Brown Products76 Bru Line Industries84 Byron Originals4351 Carlberg Companies136 Carolina-Taffinder162 Johnnie Casburn Mfg23 Chaiies RC Goodies84 Circus Hobbles94-100 Cleveland Model & Supply153 Eric Clutton153 Condor Hobbies137 Consumers Guide RC Aircraft Prod. Consumers Hobby Corp156-157 Coverite162 DA Enterprises D&D Engineering DG Products DGA Designs 0GM Industries Detroit Expo Dougs Hobby Shop ro Products Dynathrust Props Addis Elmore Fab-Tek Inc FAI Model Supply FHS Supply Flite Line Products Flyline Models 16 144 160 163 155 18-19 26 - 148 145 140 151 - 10 161 159 4 11 142-143 154 9 150 77 133 69 Fourmost Products69 Fox Mfg Co145 Full Command Systems37 Futaba Corp America29 Gator RC Products158 Carl Goldberg Models159 Gorham Model Products14 Great Lakes Model & Mold Co16 Great Planes Mod Mfg CoInside Front Cover Grish Brothers140 Art Gross Enterprises159 Hardware Systems Historic Aviation Hobby Barn Hobby Horn Hobby Lobby International Hobby Radio Shop Hobby Shack Horizon Model Crafts Hotel Harrington indy RC Sales J-5 Enterprises Hi Johnson Model Products K&B Manufacturing Co K&S Engineering Kraft Systems Kustom Kraftsmanship Leisure Electronics Lone Star Models MACS Products152 Majestic Models150 McDaniel RC Service163 Jim Messers Quality Model Products Midwest Products85 Mills Airplane Models76 Miniature Aircraft Supply149 Model Rectifier Corp side Back Cover Mutchiers Hobbies146-147 Nor-Cal Avionics37 159 151 45 145 152 155 Ohio Superstar P Productions P&G Metal Products Pacer Technology & Resources Pacific Air Pica Products Polks Hobby RC Kits Mfg RF Enterprises RJL Industries RLF Products Radio South Repla-Tech International Richardson Precision Machining Robbe Modelisport Norm Rosenstock Roush Mfg Co 28 154 137 17 144 15 27 69 85 94 136 - 137 155 140 134-135 137 - 49 51 148 155 93 28 13 148 14 162 160 154 54 158 24 1 153 SR Batteries S&W Hobby Supply Co Saf-Flite Models 138-139 Satellite City Sheldons Hobby Shop 54 Sig Manufacturing Co 76 Sonic-Tronics Squadron-Signal Publications St Croix Park Falls Ltd Swanson Associates T&D Fiberglass Tatone Products Taylor-Craft Ltd Tide Distributors Inc Top Flite Models Tower Hobbies WE Technical Services136 Williams Brothers4 Windsor Propeller Co8 World EnginesBack Cover Xplorer Enterprises51 Zenith Aviation Books5 Nick Ziroli Models10 152 ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX tion other two positions straight up offno mixing Rudder/Aileron Neither positions will get trouble Rudder/Elevator mix gives Right Rudder Up Elevator Left Rudder Down Elevator Down Elevator Right Rudder Up Elevator Left Rudder understand iis V-tailed aircraft doesnt belong its present exposed position fix Ive glued hardwood wedge switch using CyA glue cannot moved Rudder/Elevator position 1 hope will save others simi lar disastrous accident Mine unique experience mixer switches Ive heard other crashes similar Im beginner either Ive logged over 250 hours RC model pilot time last five half years See Nats' record Dougs notepaper features in-flight photograph A-scale Druine Turbulent offers plans Doug also offers plans OS2U Kingfisher powered two cu Quadra model ended up trees due ihe mixed-up mixer switch Time now go mow lawn Maybe should think about buying some sheep Have safe month John Preston 70/2 Elvira Ct Falls Church VA 22042 RC Aerobatics/Van Putte Continued page 45 donated hatful money contest nothing tried cured problem year decided attack foaming problem different way Besides putting much padding possible between tank fuselage adding antifoaming compound Dow Corning DB-l00 fuel placed old-style large Sullivan filters fuel line under neath engine theory small reservoir close engine would allow fuel stop foaming engine could draw nonfoaming fuel Apparently theory works because engine has running great ever since Now needle valve has some authority again feel comfortable adjusting engine just begins break two-cycle Just case larger reservoir turns out necessary also plan try Sullivan one-oz slantAugust 1983 163 Astounding not attainabie plastics.. very light weight discriminating hobbiest. Either Pilot version kit.. Sportsman Barnstormer.. Darn Good Airmen .. complete Portable power glow plugs fits shin pooket Using HeadlockTM adapter allows stay plug oat get iota propeller Rechargeable op 10119 times 511 day warracty No wore bulky batteries cables Order say NI-STARTFR either 115 2213 12 colt fast charger Instructions isoladed Also acailable charger See yaar deeler Order direct tram us visa ft Mastercard accepted Please specify type charger Add 51511 postage IUSAI NI-if L lilfo. $2195 NIHI-1E 225 o. $2195 NI-lILlA 120 adap $21ggNI-HL-1Nc Na charger $1295 laseeGleedandee Dr Iloredon VA221171 USA 79243551355 1/I Scale 11L5 @1/2 Scale S1O See Dealer add Used rAA Intercat Froina Sods Dollar direct order handling NyS Resideets acts % Sales tanI
Edition: Model Aviation - 1983/08
Page Numbers: 12, 14, 16, 162, 163
____first Svines thoughts safety aspects big models Model noise mufflers muffle Safety aspects RC transmitters equipped bells 0 John Preston THIS column being written April 30th issue concerning change weight limit model aircraft has yet resolved During past month received letter phone call sub ject both suggestions worth repeating will also passed AMA Safety Committee phone call came Kent Walters may remember sub mitted three requests Execu tive Council change model weight limit Kent requested raising around 100 lb brief Kent suggests single model weight-limit currently 55 lb may appropriate flying sites penalize modelers have desert flying site acres nothingness fly over limit thai really necessary live congested areas such East Coast corridor January 1983 letter Kent following comments about Bill Northrop proposal lower current weight limit 55 lb down 40 lb proposal Bill Northrop appar ently attempts prevent flying models weighing 40 lb AMAsanctioned competition event AMA-insured site effectively killing pos sibilites flying models above 40 lb AMAs blessings regardless size site conditions Perhaps simply indi cates reflect culture individually live residing con gested large metropolitan area few limited sites possible under standing Bills viewpoint After thats objections large models originate However plenty sites capable safely accommodating large models general AMA should reflect defining insuraixe coverage such models AMAs recognition larger siterequirements increased insurance cover age larger models has started helping modeling community provide safer sites classes RC aircraft large small incentive modelers continue establishing larger sites future years will diminished realistic recognition program AMA big models Some interesting thoughts come mind result pondering Kents suggestions example should pay different amounts insurance coverage according geographical location After auto insurance underwriters have long since rec Continued page 14 12 Model Aviation John wanted fly Davis-Dieselized 60 local club field buy muffler legal thingy available local hobby shop would fit engine didnt muffle too wellbut did keep goop off canopy K - 5-- NIS A1S AE V SNS1TIVE NAmES LOIAD NOISES ognized disparity accident probability between say New York City Podunk Iowa really town name have tailored rates accordingly Again borrowing auto insurance prac tice might set insurance premiums according size model Biggies would cost Comments Kents sug gestions welcomed especially regard strict site requirements large models letter subject model size weight comes Paul Beretta re sides Glen Cove NY didnt get Geography thats Long Island would say definitely qualifies belonging congested East Coast corridor Paul wrote following As newcomer RC flying held back responding call input size/weight controversy after reading May column Thats messed op JP decided put two cents worth view activity done enjoyment two valid reasons limits kindsafety public relations activity becomes com petitive third reason addedstandardization worldwide practices Taking last point first seems logical AMA would follow FAI stan dards classes competition world-class competition save American fliers problem having maintain two sets equipment skills use effectively com petition Going back first point safety would say demonstrable reason such insurance company statistics provable interference radar air ports banning limiting use model aircraft above certain size engine displacement must protect hobby whole have right limit groups method enjoying hobby simply because another faction thinks looks unsafe revolves around question whether large planes actually involved higher percentage serious kind accidents smaller counterparts issue public relations resident heavily populated New York metropolitan area see noise size single greatest threat continued enjoyment hobby firm opin ion AMA will have become driving force alert manufacturers fliers alike danger excess noise poses hobby think AMA position use its influence industry promote design effective mufflers mandating use available competition flying pro moting use flying Lets face John sound engines music ears nonhobbyist neighbors neighbors plane Quarter Scale Half-A speck sky quiet speck will Continued page 16 14 Model Aviation O New .xpandable~ concept ror nencoprers o The Competitor will fly 45 50 060 size engines O model can take novice flying winning AMA expert class Advanced design features never before seen R/C Helicopter Triple ball bearings main tail rotor hubsLight weight l construction AutorotationLow cost parts Controls designed inverted flightA11 versions fully aerobatic FAI patterns Dual ball bearing tail pitch controlSpiral hypoid gears main tail drives EASTERN US HELICENTER EAST 4121342-5500 Documentation New actions iuou Kyraider action Look SquadronlSignal Display ALL better Hobby Shops Book Stores favorite Hobby Shop Bookstore does carry Squadron/Signal books send S50 postage & handling Name Address us FREE Squadron/Signal catalog Squadron/Signal Publications Dept SP2 1115 Crowley Dr Carrollton Tx 75011-5010 1973 DAE Revolutionized Modeling Statement Now Battery Can ALL AGAIN DAE ADVANCES THE ART OF ELECTRONIC ENGINE STARTING LOW POWER CONSUMPTIONOnly 800 milliamps maximum battery drain SOLID 15v PLUG OUTPUT Maintains 15v starter LIGHTS ANY 11/2V PLUGAutomatically adjusts current plug needs EFFICIENT OPERATION tarter MARK V can also run 6v batter FEATURES AMERICAN MADE QUALITY PULSE DRIVER FOR ANY 1v PLUG 6v 12v FUEL PUMP SUPPLY DIRECTIONAL PUMP FLOW SWITCHES 48v 96v FAST CHARGER AMMETER MONITORING PLUG CHARGER CONNECTING HARDWARE INCLUDED TWIN OWNERS MARK V lights 2 plugs NO ADJUSTMENTS Only $4795 Also Available Kit Form $3995 SEE DEALER FIRSTADA Enterprises unavailableOrder DirectMALUAOTIoANA4 Ph N 8121 7U4028 63 31 8 Span 1 Scale 60 Engine S-9 lbsReady Fly model has molded rigid eurathane foam white epoxy jell coat surface picks up great amount detail Fuselagewings aileron fin rudder stabilizer elevator h cowl molded ready assembly installation equipment painting hardware including scale wheels struts extras Suggested List $285 Factory Direct $228 send SASE brochure PO Box 308 Tawas City MI 48763 & lYlold Co15171362-6078 ignored tolerated like mosquito announces its presence annoying buzz will thought dealt nuisance plane am learning tly Sig Kadet chose K&B 40 en gine Now popular engine widely used $6t worth mufflers later still havent found consider quiet Some arent mufflers rest effective broadest comparative sense could live muffler weighed eight 0/ could live muffler cut power output 25% better thought having use Kadet display-only model because nearest tivine field too far away worth trip Since Paul addresses several issues letter let respond first com ments model size/weight would guess present time comparison insurance company claims involving inci dents associated model aircraft would result apparent conclusion models small catecory say up 10 12 lb hazardous Giant models reason course sheer number such models compared number Giants currently being flown average club field statistics could analyzed incidents per hour flight time big versus small models would again guess smaller models would have worse accident record rationale such statement majority Giant-model builders experienced fliers would therefore likely react correctly in-flight problem So based past record probably no reason treat big models differently small mod els Im going get discussion column regarding Pauls comments standardization world-wide practices Ive argument past over pros cons following FAI rules AMA-sanctioned competition Its inter esting opponents FAI rules comes Scale model competition object grounds low model weights currently permitted major objective Scale modelers build model looks real also flies realistic manner regard big ones have spades over built conform FAI imposed limits max weight currently 6 kg 1233 lb RC Anyway Pauls next subject public relations noise long ago concluded so-called mufflers being offered sale nothing travesties word muf fler fulfill club competition re quirement states thou shall equip thy engine muffler thats far goes happen own pseudo-mufflers Paul refers bought simply because thingy name muffler package local hobby store could Continued page 162 16 Model Aviation W PLUG ADVANCED INTEGRATED CIRCUITRY T6 SN Harvard NEW R/C BOOKLET Answers questions often asked want get started RIG U&A.wmfl\\i flying PLUS troduces best airplane start EN FALCON receive copy SEND $200 TO ST CROIX OF PARK FALLS LTD PO Rex 279P Park Falls WI 54552 well-wrapped foam rubber actuator bolted ply bridge between F4 F5 suitable nut should epoxied under plywood strip make easier attach remove actuator torque rod bent 1/16-in wire attached actuator scrap plastic tubing front end held place hack 1/16 ply bearing rudder actuator wire soldered onto torque rod final installation sure correctly aligned Keep checking during operations ensure everything free friction possible final item wire loop attached rudder held place small bolt Rudder throw' changed moving loop up down Flight testing treat single-channel RC models essentially Free Flights use rudder control occasionally nudge model back home base possible loops things complicated sets rudder lefts rights etc prefer sport flying aspect modelsand leave acrobatics models few channels first thing set up balance few test glides Check CG roughly position shown plans try few hand glides Make corrections necessarya little nose weight stall ing glide vice versa Shimming wing alternative using ballast glide seems about right try some power flights make final corrections rudder throw glide path After shouldjust fun Enjoy Editor We saddened report author Jack Ileadley succumbed heart attack few weeks before article scheduled printing issue Through years Jacks fine articles designs have appeared other model magazines sympathy goes Jack Headleys family friends loss Safety/Preston Continued page 16 produce fit 60-size engine using After outing flying field requires mufflers engine over 10 cu retired thingy because its inability attenuate noise useful purpose type muffler seems serve duct exhaust gook outside engine cowling scale-type model Some might familiar lawsuit against Omahawks RC Club Nebraska neighbor flying site attempting collect $50000 dam ages relating noise complaints Since club chartered AMA should plaintiff suit successful could very expensive club mem ber Noise very often tangible thing flying field neighbor can latch onto real complaint could just dont like see enjoying selves Paul suggests AMA should use its influence industry promote effective mufflers Well could happen AMA Noise Committee chaired District VP Ed Izzo examining components model airplane produce noise experimenting Pattern-type model see what can done reduce total sound output fact Im late writing column havent yet mowed lawn would Executive Council meeting AMA HQ today would prob ably hear Ed tell Council about com mittees progress regard noise produced big models Ive never seen sound output measurements print subjectively big gas burners far less obnoxious screaming 60s real gems comes acceptable pleasant sound new crop four-stroke model engines used four-strokes wouldnt mind betting majority noise problems would vanish time pick up new issue model magazine see motors being reviewed advertised Perhaps sometime not-too-distant future will state-of-the-art model aircraft engine Another letter received last month comes Doug MacBrien Granby MA happens Giant model enthusiast topic letter should concern fliers RC models big small subject transmitters whistles & bells' over Doug Radio equipment model aircraft has become very reliable increasingly sophisticated Reliability greatmore complicated controls can lead disaster Thats what letters about bought new radio last year new models dual rates mixer switches servo reversingall latest Dual rate great Pattern fliers guess almost destroyed new model tried split-S elevator LO rate just missed ground about two feet Ive learned something since incident turned adjustment back transmitter fully CW LO rate same HI rate mixer switch something else transmitter its three-position toggle switch top case easily knocked out position flying new Giant Scale model took hundreds hours build After two good flights tried third model taxied OK made undesired 9fl0 right turn after takeoffit uncontrollable could see going crash thought radio out cut throttle watched despair big model went trees Sometime later after recovered pieces looked transmitter mixer switch rudder/elevator Mix posi 162 Model Aviation GONTIOLIKI TillS PROFILE0COMBA 70 RAT WIDE & NARROW WEDGE 15 -- 6 oz Capacities NIFLOW & TIIDD Uustrn 31mM hun Ingredients detailed br0ChUIe5OC stamps/Check Oni CAROLINATAFFINDER 8345 Delhi Road Charleston Hgts SC 29418 803-563-7169 ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX AMA Membership55 AceRClnc47 Aero Tech RC150 Air Design84 Airtronics2 Phase Art144 American RC Helicopters141 Americas Hobby Center25 Astro Flight54 Balsa USA6-7 Bavarian Precision Products158 Behrens Plan Service160 Dave Brown Products76 Bru Line Industries84 Byron Originals4351 Carlberg Companies136 Carolina-Taffinder162 Johnnie Casburn Mfg23 Chaiies RC Goodies84 Circus Hobbles94-100 Cleveland Model & Supply153 Eric Clutton153 Condor Hobbies137 Consumers Guide RC Aircraft Prod. Consumers Hobby Corp156-157 Coverite162 DA Enterprises D&D Engineering DG Products DGA Designs 0GM Industries Detroit Expo Dougs Hobby Shop ro Products Dynathrust Props Addis Elmore Fab-Tek Inc FAI Model Supply FHS Supply Flite Line Products Flyline Models 16 144 160 163 155 18-19 26 - 148 145 140 151 - 10 161 159 4 11 142-143 154 9 150 77 133 69 Fourmost Products69 Fox Mfg Co145 Full Command Systems37 Futaba Corp America29 Gator RC Products158 Carl Goldberg Models159 Gorham Model Products14 Great Lakes Model & Mold Co16 Great Planes Mod Mfg CoInside Front Cover Grish Brothers140 Art Gross Enterprises159 Hardware Systems Historic Aviation Hobby Barn Hobby Horn Hobby Lobby International Hobby Radio Shop Hobby Shack Horizon Model Crafts Hotel Harrington indy RC Sales J-5 Enterprises Hi Johnson Model Products K&B Manufacturing Co K&S Engineering Kraft Systems Kustom Kraftsmanship Leisure Electronics Lone Star Models MACS Products152 Majestic Models150 McDaniel RC Service163 Jim Messers Quality Model Products Midwest Products85 Mills Airplane Models76 Miniature Aircraft Supply149 Model Rectifier Corp side Back Cover Mutchiers Hobbies146-147 Nor-Cal Avionics37 159 151 45 145 152 155 Ohio Superstar P Productions P&G Metal Products Pacer Technology & Resources Pacific Air Pica Products Polks Hobby RC Kits Mfg RF Enterprises RJL Industries RLF Products Radio South Repla-Tech International Richardson Precision Machining Robbe Modelisport Norm Rosenstock Roush Mfg Co 28 154 137 17 144 15 27 69 85 94 136 - 137 155 140 134-135 137 - 49 51 148 155 93 28 13 148 14 162 160 154 54 158 24 1 153 SR Batteries S&W Hobby Supply Co Saf-Flite Models 138-139 Satellite City Sheldons Hobby Shop 54 Sig Manufacturing Co 76 Sonic-Tronics Squadron-Signal Publications St Croix Park Falls Ltd Swanson Associates T&D Fiberglass Tatone Products Taylor-Craft Ltd Tide Distributors Inc Top Flite Models Tower Hobbies WE Technical Services136 Williams Brothers4 Windsor Propeller Co8 World EnginesBack Cover Xplorer Enterprises51 Zenith Aviation Books5 Nick Ziroli Models10 152 ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX tion other two positions straight up offno mixing Rudder/Aileron Neither positions will get trouble Rudder/Elevator mix gives Right Rudder Up Elevator Left Rudder Down Elevator Down Elevator Right Rudder Up Elevator Left Rudder understand iis V-tailed aircraft doesnt belong its present exposed position fix Ive glued hardwood wedge switch using CyA glue cannot moved Rudder/Elevator position 1 hope will save others simi lar disastrous accident Mine unique experience mixer switches Ive heard other crashes similar Im beginner either Ive logged over 250 hours RC model pilot time last five half years See Nats' record Dougs notepaper features in-flight photograph A-scale Druine Turbulent offers plans Doug also offers plans OS2U Kingfisher powered two cu Quadra model ended up trees due ihe mixed-up mixer switch Time now go mow lawn Maybe should think about buying some sheep Have safe month John Preston 70/2 Elvira Ct Falls Church VA 22042 RC Aerobatics/Van Putte Continued page 45 donated hatful money contest nothing tried cured problem year decided attack foaming problem different way Besides putting much padding possible between tank fuselage adding antifoaming compound Dow Corning DB-l00 fuel placed old-style large Sullivan filters fuel line under neath engine theory small reservoir close engine would allow fuel stop foaming engine could draw nonfoaming fuel Apparently theory works because engine has running great ever since Now needle valve has some authority again feel comfortable adjusting engine just begins break two-cycle Just case larger reservoir turns out necessary also plan try Sullivan one-oz slantAugust 1983 163 Astounding not attainabie plastics.. very light weight discriminating hobbiest. Either Pilot version kit.. Sportsman Barnstormer.. Darn Good Airmen .. complete Portable power glow plugs fits shin pooket Using HeadlockTM adapter allows stay plug oat get iota propeller Rechargeable op 10119 times 511 day warracty No wore bulky batteries cables Order say NI-STARTFR either 115 2213 12 colt fast charger Instructions isoladed Also acailable charger See yaar deeler Order direct tram us visa ft Mastercard accepted Please specify type charger Add 51511 postage IUSAI NI-if L lilfo. $2195 NIHI-1E 225 o. $2195 NI-lILlA 120 adap $21ggNI-HL-1Nc Na charger $1295 laseeGleedandee Dr Iloredon VA221171 USA 79243551355 1/I Scale 11L5 @1/2 Scale S1O See Dealer add Used rAA Intercat Froina Sods Dollar direct order handling NyS Resideets acts % Sales tanI