S emislirst Avoiding RC switch failures Fire Loose props Preflight checklists John Preston SOME may wondering what hap pened Safety column May 1983 issue MA dont know Somehow got scrambled pipe line between writer printer think thing wrote therebut same order written No prize being offered first person un scramble anyone wants un scrambled version Id glad supply receipt SASE Ive got mixed bag month First topic follow-up item appeared column April 1983 issue asked readers comment statement found clubs newsletter recom mended mounting receiver switch RC airplane servo tray rather side fuselage because almost always switch fails mounted side fuse No ration ale accompanied newsletter recom mendation letter David Kruger Cla remont CA offers plausible reason failure switches mounted fuse lage sides Im writing mainly advise anyone mount RC switches fuselage sides especially switch button knob does protrude very much fuselage less /x reason have lost two aircraft because failure switch maintain contact due gradual enlargement recess switch slider movessee diagram enlargement inevitable result thumb finger-pressure switch ton turned Off switches use ones supplied Ace RC Continental Wire believe very light construction Noble switch may susceptible dont know 'In usual internal mounting ar rangement sideways forces exerted switch knob therefore switch fuselage side side view will fail reason anyway now wrap thread followed CyA glue around wires switch body end reinforce switches provide strain-relief wires' cannot verify thread/CyA-glue reinforcement way solve switch problems works David maybe will work others Seems like best solution put switch servo tray possible use push-pull piano Continued page 14 slider metal sides thin tabs get bent easilyview phenolic board holding contacts pushes tabs increasing gap slider must fill 12 Model Aviation p II IAT iOT TO TI&HTF\1 Discriminate Scale Fliers Demand Dave Platt im perfectionist kits prove reputation finest models RC scale has founded upon careful attention detail period over twenty years fact Im particular about kits theyre available personally make kit sign hold myself responsible reproductions genuine Dave Platt kit guarantee true outline combined force arrangement flies properly THE ULTIMATE legendary beauty efficiency Spitfire 1/5 scale Accurate last subtle curve Magniticient indeed fust sitting simply awe inspiring flight Powered 90 120 gIn engine Maximizer ultimate Spitfire will provide intense experience sophisticated R/C $249 modeler Span 88 Length 76 Weight 15-20 lbs Irand bold flies great staying easily transportable 1/5 scale 79 span over 1000 sq ins 90 engines Bucker Jungmeister regular direct drive engines 60 90 65 span 1/4 scale ace aerobatic biplane time Still fits car $139 $179 New 1/4 Scale Pilot4$139 Supplied unpaint- ed comes in-Available 15J 1/5 1/6 scale World Retracting struction booklet Landing Gear r Il Fighter Pilots fullNow Strengthened _______________________________ Complete System St 39 figure$25heier ships V HOW TO ORDERDirect manufacturer no markup Write ur call. accept check money order Master Charge Visa cards pay UPS anywhere USA Florida residents add 4% sales rae Yes accept foreign orders pay freight slorinaton model send sell addressed envelope nave Dlatt iviodeim inc 6940 NW 15th Street Plantation Florida 33313 Phone 305 587-4861 Noi vjfilarvd iS ovi oiSe co,poi wire extension through fuselage side operate Another letter sparked pun tended topic April issue comes Jerry Swain another Californian time Baldwin Park Jerry writes just finished reading article April issue MA about batteries short out made remember incident happened day flying field putting fuel tank airplane fuel always squirted out pressure line tube connects muffler tank full now have small container catches fuel spillage Well fuel squirted out got piece carpet always use kneel hooked up battery glow plug started engine Everything just fine until discon nected two alligator clips engine let fall carpet Suddenly kinds things started happening First running airplane engine front could let go ofbut real problem problem piece carpet turning black disappearing right front eyes things getting pretty hot could see flames carpet sure burning grabbed plane got out fire no damage anything except carpet sure lucky shirt did catch fire Needless say am now much careful agree Jerry indeed lucky lose piece carpet must use alligator clips attach starting bat tery glow plug simple way lessen likelihood two clips touching causing spark drain ing battery few years ago scale model completely-cowled en gine could use commercial glow plug clip Short leads per manently attached glow plug ended somewhere cowling air outlet attachment alligator clips used Radio Shack twin-lead hookup wire cat No 278-1264 connec alligator clips battery conductor wire snipped off about 3 shorter other lying loose ground likelihood clip touching other minimal Only longer wire purposely bent through 1800 could its clip contact clip shorter wtre seldom column gets out mention some type incident associ ated whirling propeller months saga comes Hangar Talk newsletter Orange Coast RC Club Midway City CA written Mark Churgel under title Safety First Last Always Complacency can RC fliers arch enemy comes injury Things go along incident suddenly avoidable accident occurs Ask Forrest Ed wards couple weeks ago Forrest made some minor modifications beauCon tinued page 16 14 Model Aviation K Dynathrusts composite constructiOn provides Unequaled Durability Saves money 100% accurate pitch results Outstanding Perlormance Air Counts WHY SETTLE FOR LESS can have PerforrnanCa/ECoflofl1Y s7OO slO00 s14O0 15x 6 18x 6- 8 10 __________20x 6- 8- 10 __ __ _________22x 8-10 1800 Prices ncIde UPS hages D MASTER CHARGE DVISA DCOD ECHECK jjjMONEY ORDER Dealers / DIstrIbutorS Invited DYNATHRUST PROPS ING 2541 NE lith Court Pompano Beach FL 33062 1305941 9119 tiful famous five-cylinder four-stroke next day out field fired up done 300 times Suddenly warning large 22-in prop flew off struck Forrest nose result near loss nose better hour skilled surgeon worked Forrest suturing nose back place Forrest would first say could have avoided checked prop nut made two mistakes actually became complacent didnt check nut secondly front en gine checking out thankful good friend great modeler hurt seri ously experience object lesson us Never take whirling prop granted Its buzz-saw out needs treated such sure check prop nut before fly ways can loosen andloose flying unattached airplaneit comes deadly missile Mark concluded newsletter article stating future issue would discuss importance preflight check takes us back topic appeared last column June club flight training program issue parts Charles ton SC RC Societys Training Guide book let published Since two ad ditional clubs have sent information similar programs Northern Virginia RC Club came booklet following title Pilot TraininglQualification Guide Preflight Inspection Checklists booklet ac companied 6 x 4-in card heat-sealed protective plastic cover printed Routine Preflight Inspection side Maiden Flight Preflight spection other side checklists appear booklet also card can carried members field boxes two separate preflight checklists self explanatory use brandnew model can used either its builder builder beginner clubs flight instructors other checklist use time member goes tlying field Although said human brain greatest computer ever invented sometimes its owner forgets punch right key something un planned happens addition prop nuts getting tight ened models take off receiver antennas tucked inside fuselage aileron ele vator servos reversed host other things can lead demise could have avoided owner personal computer prompted means checklist benefit others may also wish produce checklist club members NVRC list items examined during Routine Preflight spection follows INTERNAL Before attaching wing I Check servo mount servo servo arms secure Continued page 136 16 Model Aviation Its FCS-4 Radio Designed Canadian governments target drone program approved US Armed Forces Training Command Full Command Systems has now brought cut ting edge Radio Control technology hobbiest service parts available past manufactured EK Logitrol radios including Logitrol manufactured Cirrus Tower Hobby Lobby radios Free servo reversing Hobby Lobby radios included service work Introducing new 4 ch kit $7995 Expandable 7 ch zI-x FCS-4 Four Channel Radio Wider body ends aching shoulder muscles Angled easier monitering battery charge Designed easily accept new frequencies Servo reversing simply reversing plug Adjustable stick tension Inexpensive replacement servos 45OmAH battery pack 600mAH & 1200mAH extra Expandab 5 large linear serves 12995 small rotary servos Command Systems1509487-2122 908 E Rosewood Spokane WA 99207 IASCALICHWMUNKSI LMLL t MIIULJSTER Send 5O catalogN 6-499-5323 RC Kits MfgN LjCanto NE OH 44721 STEPHENS ACRO Kraft RIC Electronics AUTHORIZED WARRANTY T5 SERVICE Summer Special Working non-working systems components checked & re paired Servos stripped cleaned & lubed Test report submitted Price basis 4-7 channel system 4 servos Parts Shipping extra$2975 2-3 ch system w12 servos 52475 MILT ERB New Frequency Conversion System$2500 50% ott w/ Pre-season Check-Up Special Tests will included proper operation new frequencies Tx tests will include spectrum analysis Px will checked proper band width Send SASE info new frequencies ALSO AUTHORIZED SERWCE FOR 1685 Beckwith Dr Hudson OH 44236216 655-2278 Fun/Winter Continued page 133 Re-Volt-er May Model Aviation excellent all-round choice direct drive 05 7-3 50-in span 32 oz its loading 142 oz per sq ft area can highly recommend article Harrison Mannel May 1983 Fly ing Models pages 52-53 After three years testing motor battery gli der combinations wrote have found what feel ultimate combi nation electric-powered sailpianes him Top Elite Metrick 05 short article jammed meaningful simple info fine briefing getting started Mitch Poling Model Builder lets hang out MB has full Electrics lately Jim Zarembski has some fine stuff RC Modeler Join SEAM $10 receive newsletterthey speak duffer language Society Electric Aircraft Modelers 11632 Flamingo Dr Garden Grove CA 92644 Bob Kopski will soon have some primer-type articles Model Aviationhe has saved neck occasions Im little afraid mentioned sev eral letters Pattern-wind motor reduction-drive systems hotwind motor direct drive Thats backwards Its just other way around Over 50 years modeling taught thousands know toothat exacting science full-scale aerody namics practically worthless ap plied models build ounces pounds build thousands tons pounds models see dra matic changes size weight speedand Scale Effect makes shambles math Airflow nothing like full-scale know very little what does over small models wing loading makes small Rub ber job lump lead results ghostship floater big Gassie Identical models slightly heavier fly entirely different champ other dogwith same airfoil scale possibilities includes literally thousands variations reminds us Paul Gar ber Curator Emeritus National Air Space Museum Smithson ian Instution Paul boy saw Wrights fly world expert kites makes Washington newspapers during annual Kite Fly Washington Monument grounds dont know much about drag ons comments sure know fly great Bill Winter 4426 Altura Ct Fairfax VA 22030 Editor Bill asks us advise readers write columniststo Bill Winter others AMA HQ MA editorial offices matterto always put full name address letter just envelope Envelopes become detached full name address letter itself response proper credit magazine may impos sible Also plead take easy Bill Winter miscellaneous questions keep sending him good material columns Bill being inundated questions really should addressed other cate gory columnists addresses end columns response needed please include pre-addressed stamped envelopeCarl Wheeley Safety/Preston Continued oaoe 16 2 Check pushrods secure 3 Check receiver battery secure 4 Check loose items/wires could foul servo arms/pushrods 5 Check fuel leaks S Nick Zirobs F4U CORSAIR 2 4 Cu size Engines Fiberglass Faselage & Coleg acailable design 0/A NT RIC SCALE PLAN DESIGNS AT-S TEXAN24 I101 Spon$2700pp USA FOKKRR DR-i27 163 Tripe$2500pp USA FOP REARCAT2/ 106 Spec$2700pp USA CURTISS P402/ 194 Spon$2700pp USA F4U CORSAIR2 193 Spec$2700pp USA Fiberglass Cowlings & Canopies ae available also Send stamp tar detailed brochares oar Giant Scale Accessories Oar Plans sent Postpaid inithe ISa UbAl 136 Model Aviation ir 4v span 56 Channels 2 -3 Wing Area 690 sq Engine 19- 35 i dSS lopper complete 1/6 scale H/C model kit designed assemblelook fly like famous WeedhopperrM Model-C Ultralight AIRCRAFT part aluminum structure pre-bent drilled nylon rip-stop coverings pre-sewn1/6 Scale $16995 Available choice four colors hobby shop now1/3 Scale $26995 Other ultralights available soon carlberg companies product 8170 WEST PENN AVE ROSEVILLE 1161473 PHONE 309/426-2161 Flite Line Models over 20 years have made some easiest build best flying kits money can buy real treat try see Manufactured modelers modelers Most kits may built either standard trike gear Kits feature hand cut parts AAA materials formed gear hinges horns etc EZSPORT $4 1940 eng -4 EZ ILl $4996 Aileron Trainer 19-40 eng -4 oh SKOOTER II $4295 Iwlbalsa wing skins $4695 An Old Favorite 40-60 eng-4 oh FUN FLI 40 $4195NEW 19-40 en -4chl 4 19 Rod 40 3207 34th St Lubbock TX 79410 806792 2671 WING I Check wing breaks warps cracks etc 2 Check aileron pushrods linkage devises equipped prior securing wing aircraft ENGINE AREA I Check engine mount engine muffler prop nut and/or spinner security 2 Check prop nicks cracks etc 3 Check nose steering mechanism equipped 4 Check cowl secure equipped TAIL SECTION I Check vertical fin rudder rudder clevis security 2 Check tail wheel equipped 3 Check horizontal stabilizer elevator elevator clevis security RANGE CHECK/FLIGHT CONTROL CHECK I When frequency pin available tach antenna range-check air craft antenna collapsed 2 Check flight controls move proper direction 3 Check flight control surfaces proper trim guess can find fault NVRC list may obvious fault because came close losing air plane because some years back Have spotted Nowhere does say check wing attachment rubberbands bolts prior CONDOR PACKS POWERHOUSE world famous engines hell kits & Write phone hi-tech accessories NI or drop 3j complete listings& dollar saving prices 17835 Sky Park Cr WWuSuite E Irvine CA 92714 CD 71 4/556 1888 flight once taxiing onto runway before noticed wing Falcon 56 attached two rubberbands Ill probably get jumped fellow NVRC clulb members being picky since list did say wing checks before securing wing aircraft writing latter part months safety epistle thought comes mind probably prompted recent letter Bob Neider flys both Cresent City RC Club Delta Airlines Bobs letter suggested devote part AMA rule book basic reference material modelers safers- tips already have AMA Safety Code rule book think Bob suggesting something expansive Having some basic safety material available beginners has back mind some time reason havent suggested fearless leaders afraid theyd turn around suggest write Any way back thought prompted Bobs letter Would interest having plastic-encapsulated checklist RC fliers such done NVRC available AMA l-IQ basic supplies thoughts other sugges tions would welcome Now back painting model say Fat chanceits spare bedroom follows exterior house Yes MODEL MOTOR MUGTM high quality totally glazed ceramic engine mug must modeler Standing 51/2 inches tall large 10 oz capacity its real attention getter definite collectors piece years come OnlyPlus $200 postage $695and handling per order CA residents add sales tax too would rather flying Have safe month John Preston 7012 Elsira Ci Falls Church VA 22042 Toledo/Beckman Continued page 20 Giant Scale again dominated show models being brought display fall Giant Scale category absolutely beautifulas well big took lot pictures fabulous miniature aircraft unfortunately isnt room Ill try work some future Giant Scale columns area new things big story engines surprised last year new engines showed up year two three times Note also last year did reappear course standards Quadra Kawa saki Kioritz much evidence new Quadra Q50 5 0cc 3 Cu display already built some models display two engines particular interest hori zontally-opposed twin displayed Roush Manufacturing built Continued page 140 REPLACEMENT PARTS FOR Kraft Engines Teatari McCoy TaIpan 40 RJL ENGINES Call Only Factory Source RJL INDUSTRIES Free Parts Catalog Available Phone 213 3190016 July 1983 137 win EZTRAINER $4596 Tough Basic Trainer Great Secona 19-jo eng- 3 oh SEE YOUR LER Oealers-DistributorsStandard discounts 19-40 eng- 4 oh COMING SOON FUN FLI 60 $5595 PROOUCTION nM Induatri. ox 5684 dena CA 91107
Edition: Model Aviation - 1983/07
Page Numbers: 12, 14, 16, 136, 137
S emislirst Avoiding RC switch failures Fire Loose props Preflight checklists John Preston SOME may wondering what hap pened Safety column May 1983 issue MA dont know Somehow got scrambled pipe line between writer printer think thing wrote therebut same order written No prize being offered first person un scramble anyone wants un scrambled version Id glad supply receipt SASE Ive got mixed bag month First topic follow-up item appeared column April 1983 issue asked readers comment statement found clubs newsletter recom mended mounting receiver switch RC airplane servo tray rather side fuselage because almost always switch fails mounted side fuse No ration ale accompanied newsletter recom mendation letter David Kruger Cla remont CA offers plausible reason failure switches mounted fuse lage sides Im writing mainly advise anyone mount RC switches fuselage sides especially switch button knob does protrude very much fuselage less /x reason have lost two aircraft because failure switch maintain contact due gradual enlargement recess switch slider movessee diagram enlargement inevitable result thumb finger-pressure switch ton turned Off switches use ones supplied Ace RC Continental Wire believe very light construction Noble switch may susceptible dont know 'In usual internal mounting ar rangement sideways forces exerted switch knob therefore switch fuselage side side view will fail reason anyway now wrap thread followed CyA glue around wires switch body end reinforce switches provide strain-relief wires' cannot verify thread/CyA-glue reinforcement way solve switch problems works David maybe will work others Seems like best solution put switch servo tray possible use push-pull piano Continued page 14 slider metal sides thin tabs get bent easilyview phenolic board holding contacts pushes tabs increasing gap slider must fill 12 Model Aviation p II IAT iOT TO TI&HTF\1 Discriminate Scale Fliers Demand Dave Platt im perfectionist kits prove reputation finest models RC scale has founded upon careful attention detail period over twenty years fact Im particular about kits theyre available personally make kit sign hold myself responsible reproductions genuine Dave Platt kit guarantee true outline combined force arrangement flies properly THE ULTIMATE legendary beauty efficiency Spitfire 1/5 scale Accurate last subtle curve Magniticient indeed fust sitting simply awe inspiring flight Powered 90 120 gIn engine Maximizer ultimate Spitfire will provide intense experience sophisticated R/C $249 modeler Span 88 Length 76 Weight 15-20 lbs Irand bold flies great staying easily transportable 1/5 scale 79 span over 1000 sq ins 90 engines Bucker Jungmeister regular direct drive engines 60 90 65 span 1/4 scale ace aerobatic biplane time Still fits car $139 $179 New 1/4 Scale Pilot4$139 Supplied unpaint- ed comes in-Available 15J 1/5 1/6 scale World Retracting struction booklet Landing Gear r Il Fighter Pilots fullNow Strengthened _______________________________ Complete System St 39 figure$25heier ships V HOW TO ORDERDirect manufacturer no markup Write ur call. accept check money order Master Charge Visa cards pay UPS anywhere USA Florida residents add 4% sales rae Yes accept foreign orders pay freight slorinaton model send sell addressed envelope nave Dlatt iviodeim inc 6940 NW 15th Street Plantation Florida 33313 Phone 305 587-4861 Noi vjfilarvd iS ovi oiSe co,poi wire extension through fuselage side operate Another letter sparked pun tended topic April issue comes Jerry Swain another Californian time Baldwin Park Jerry writes just finished reading article April issue MA about batteries short out made remember incident happened day flying field putting fuel tank airplane fuel always squirted out pressure line tube connects muffler tank full now have small container catches fuel spillage Well fuel squirted out got piece carpet always use kneel hooked up battery glow plug started engine Everything just fine until discon nected two alligator clips engine let fall carpet Suddenly kinds things started happening First running airplane engine front could let go ofbut real problem problem piece carpet turning black disappearing right front eyes things getting pretty hot could see flames carpet sure burning grabbed plane got out fire no damage anything except carpet sure lucky shirt did catch fire Needless say am now much careful agree Jerry indeed lucky lose piece carpet must use alligator clips attach starting bat tery glow plug simple way lessen likelihood two clips touching causing spark drain ing battery few years ago scale model completely-cowled en gine could use commercial glow plug clip Short leads per manently attached glow plug ended somewhere cowling air outlet attachment alligator clips used Radio Shack twin-lead hookup wire cat No 278-1264 connec alligator clips battery conductor wire snipped off about 3 shorter other lying loose ground likelihood clip touching other minimal Only longer wire purposely bent through 1800 could its clip contact clip shorter wtre seldom column gets out mention some type incident associ ated whirling propeller months saga comes Hangar Talk newsletter Orange Coast RC Club Midway City CA written Mark Churgel under title Safety First Last Always Complacency can RC fliers arch enemy comes injury Things go along incident suddenly avoidable accident occurs Ask Forrest Ed wards couple weeks ago Forrest made some minor modifications beauCon tinued page 16 14 Model Aviation K Dynathrusts composite constructiOn provides Unequaled Durability Saves money 100% accurate pitch results Outstanding Perlormance Air Counts WHY SETTLE FOR LESS can have PerforrnanCa/ECoflofl1Y s7OO slO00 s14O0 15x 6 18x 6- 8 10 __________20x 6- 8- 10 __ __ _________22x 8-10 1800 Prices ncIde UPS hages D MASTER CHARGE DVISA DCOD ECHECK jjjMONEY ORDER Dealers / DIstrIbutorS Invited DYNATHRUST PROPS ING 2541 NE lith Court Pompano Beach FL 33062 1305941 9119 tiful famous five-cylinder four-stroke next day out field fired up done 300 times Suddenly warning large 22-in prop flew off struck Forrest nose result near loss nose better hour skilled surgeon worked Forrest suturing nose back place Forrest would first say could have avoided checked prop nut made two mistakes actually became complacent didnt check nut secondly front en gine checking out thankful good friend great modeler hurt seri ously experience object lesson us Never take whirling prop granted Its buzz-saw out needs treated such sure check prop nut before fly ways can loosen andloose flying unattached airplaneit comes deadly missile Mark concluded newsletter article stating future issue would discuss importance preflight check takes us back topic appeared last column June club flight training program issue parts Charles ton SC RC Societys Training Guide book let published Since two ad ditional clubs have sent information similar programs Northern Virginia RC Club came booklet following title Pilot TraininglQualification Guide Preflight Inspection Checklists booklet ac companied 6 x 4-in card heat-sealed protective plastic cover printed Routine Preflight Inspection side Maiden Flight Preflight spection other side checklists appear booklet also card can carried members field boxes two separate preflight checklists self explanatory use brandnew model can used either its builder builder beginner clubs flight instructors other checklist use time member goes tlying field Although said human brain greatest computer ever invented sometimes its owner forgets punch right key something un planned happens addition prop nuts getting tight ened models take off receiver antennas tucked inside fuselage aileron ele vator servos reversed host other things can lead demise could have avoided owner personal computer prompted means checklist benefit others may also wish produce checklist club members NVRC list items examined during Routine Preflight spection follows INTERNAL Before attaching wing I Check servo mount servo servo arms secure Continued page 136 16 Model Aviation Its FCS-4 Radio Designed Canadian governments target drone program approved US Armed Forces Training Command Full Command Systems has now brought cut ting edge Radio Control technology hobbiest service parts available past manufactured EK Logitrol radios including Logitrol manufactured Cirrus Tower Hobby Lobby radios Free servo reversing Hobby Lobby radios included service work Introducing new 4 ch kit $7995 Expandable 7 ch zI-x FCS-4 Four Channel Radio Wider body ends aching shoulder muscles Angled easier monitering battery charge Designed easily accept new frequencies Servo reversing simply reversing plug Adjustable stick tension Inexpensive replacement servos 45OmAH battery pack 600mAH & 1200mAH extra Expandab 5 large linear serves 12995 small rotary servos Command Systems1509487-2122 908 E Rosewood Spokane WA 99207 IASCALICHWMUNKSI LMLL t MIIULJSTER Send 5O catalogN 6-499-5323 RC Kits MfgN LjCanto NE OH 44721 STEPHENS ACRO Kraft RIC Electronics AUTHORIZED WARRANTY T5 SERVICE Summer Special Working non-working systems components checked & re paired Servos stripped cleaned & lubed Test report submitted Price basis 4-7 channel system 4 servos Parts Shipping extra$2975 2-3 ch system w12 servos 52475 MILT ERB New Frequency Conversion System$2500 50% ott w/ Pre-season Check-Up Special Tests will included proper operation new frequencies Tx tests will include spectrum analysis Px will checked proper band width Send SASE info new frequencies ALSO AUTHORIZED SERWCE FOR 1685 Beckwith Dr Hudson OH 44236216 655-2278 Fun/Winter Continued page 133 Re-Volt-er May Model Aviation excellent all-round choice direct drive 05 7-3 50-in span 32 oz its loading 142 oz per sq ft area can highly recommend article Harrison Mannel May 1983 Fly ing Models pages 52-53 After three years testing motor battery gli der combinations wrote have found what feel ultimate combi nation electric-powered sailpianes him Top Elite Metrick 05 short article jammed meaningful simple info fine briefing getting started Mitch Poling Model Builder lets hang out MB has full Electrics lately Jim Zarembski has some fine stuff RC Modeler Join SEAM $10 receive newsletterthey speak duffer language Society Electric Aircraft Modelers 11632 Flamingo Dr Garden Grove CA 92644 Bob Kopski will soon have some primer-type articles Model Aviationhe has saved neck occasions Im little afraid mentioned sev eral letters Pattern-wind motor reduction-drive systems hotwind motor direct drive Thats backwards Its just other way around Over 50 years modeling taught thousands know toothat exacting science full-scale aerody namics practically worthless ap plied models build ounces pounds build thousands tons pounds models see dra matic changes size weight speedand Scale Effect makes shambles math Airflow nothing like full-scale know very little what does over small models wing loading makes small Rub ber job lump lead results ghostship floater big Gassie Identical models slightly heavier fly entirely different champ other dogwith same airfoil scale possibilities includes literally thousands variations reminds us Paul Gar ber Curator Emeritus National Air Space Museum Smithson ian Instution Paul boy saw Wrights fly world expert kites makes Washington newspapers during annual Kite Fly Washington Monument grounds dont know much about drag ons comments sure know fly great Bill Winter 4426 Altura Ct Fairfax VA 22030 Editor Bill asks us advise readers write columniststo Bill Winter others AMA HQ MA editorial offices matterto always put full name address letter just envelope Envelopes become detached full name address letter itself response proper credit magazine may impos sible Also plead take easy Bill Winter miscellaneous questions keep sending him good material columns Bill being inundated questions really should addressed other cate gory columnists addresses end columns response needed please include pre-addressed stamped envelopeCarl Wheeley Safety/Preston Continued oaoe 16 2 Check pushrods secure 3 Check receiver battery secure 4 Check loose items/wires could foul servo arms/pushrods 5 Check fuel leaks S Nick Zirobs F4U CORSAIR 2 4 Cu size Engines Fiberglass Faselage & Coleg acailable design 0/A NT RIC SCALE PLAN DESIGNS AT-S TEXAN24 I101 Spon$2700pp USA FOKKRR DR-i27 163 Tripe$2500pp USA FOP REARCAT2/ 106 Spec$2700pp USA CURTISS P402/ 194 Spon$2700pp USA F4U CORSAIR2 193 Spec$2700pp USA Fiberglass Cowlings & Canopies ae available also Send stamp tar detailed brochares oar Giant Scale Accessories Oar Plans sent Postpaid inithe ISa UbAl 136 Model Aviation ir 4v span 56 Channels 2 -3 Wing Area 690 sq Engine 19- 35 i dSS lopper complete 1/6 scale H/C model kit designed assemblelook fly like famous WeedhopperrM Model-C Ultralight AIRCRAFT part aluminum structure pre-bent drilled nylon rip-stop coverings pre-sewn1/6 Scale $16995 Available choice four colors hobby shop now1/3 Scale $26995 Other ultralights available soon carlberg companies product 8170 WEST PENN AVE ROSEVILLE 1161473 PHONE 309/426-2161 Flite Line Models over 20 years have made some easiest build best flying kits money can buy real treat try see Manufactured modelers modelers Most kits may built either standard trike gear Kits feature hand cut parts AAA materials formed gear hinges horns etc EZSPORT $4 1940 eng -4 EZ ILl $4996 Aileron Trainer 19-40 eng -4 oh SKOOTER II $4295 Iwlbalsa wing skins $4695 An Old Favorite 40-60 eng-4 oh FUN FLI 40 $4195NEW 19-40 en -4chl 4 19 Rod 40 3207 34th St Lubbock TX 79410 806792 2671 WING I Check wing breaks warps cracks etc 2 Check aileron pushrods linkage devises equipped prior securing wing aircraft ENGINE AREA I Check engine mount engine muffler prop nut and/or spinner security 2 Check prop nicks cracks etc 3 Check nose steering mechanism equipped 4 Check cowl secure equipped TAIL SECTION I Check vertical fin rudder rudder clevis security 2 Check tail wheel equipped 3 Check horizontal stabilizer elevator elevator clevis security RANGE CHECK/FLIGHT CONTROL CHECK I When frequency pin available tach antenna range-check air craft antenna collapsed 2 Check flight controls move proper direction 3 Check flight control surfaces proper trim guess can find fault NVRC list may obvious fault because came close losing air plane because some years back Have spotted Nowhere does say check wing attachment rubberbands bolts prior CONDOR PACKS POWERHOUSE world famous engines hell kits & Write phone hi-tech accessories NI or drop 3j complete listings& dollar saving prices 17835 Sky Park Cr WWuSuite E Irvine CA 92714 CD 71 4/556 1888 flight once taxiing onto runway before noticed wing Falcon 56 attached two rubberbands Ill probably get jumped fellow NVRC clulb members being picky since list did say wing checks before securing wing aircraft writing latter part months safety epistle thought comes mind probably prompted recent letter Bob Neider flys both Cresent City RC Club Delta Airlines Bobs letter suggested devote part AMA rule book basic reference material modelers safers- tips already have AMA Safety Code rule book think Bob suggesting something expansive Having some basic safety material available beginners has back mind some time reason havent suggested fearless leaders afraid theyd turn around suggest write Any way back thought prompted Bobs letter Would interest having plastic-encapsulated checklist RC fliers such done NVRC available AMA l-IQ basic supplies thoughts other sugges tions would welcome Now back painting model say Fat chanceits spare bedroom follows exterior house Yes MODEL MOTOR MUGTM high quality totally glazed ceramic engine mug must modeler Standing 51/2 inches tall large 10 oz capacity its real attention getter definite collectors piece years come OnlyPlus $200 postage $695and handling per order CA residents add sales tax too would rather flying Have safe month John Preston 7012 Elsira Ci Falls Church VA 22042 Toledo/Beckman Continued page 20 Giant Scale again dominated show models being brought display fall Giant Scale category absolutely beautifulas well big took lot pictures fabulous miniature aircraft unfortunately isnt room Ill try work some future Giant Scale columns area new things big story engines surprised last year new engines showed up year two three times Note also last year did reappear course standards Quadra Kawa saki Kioritz much evidence new Quadra Q50 5 0cc 3 Cu display already built some models display two engines particular interest hori zontally-opposed twin displayed Roush Manufacturing built Continued page 140 REPLACEMENT PARTS FOR Kraft Engines Teatari McCoy TaIpan 40 RJL ENGINES Call Only Factory Source RJL INDUSTRIES Free Parts Catalog Available Phone 213 3190016 July 1983 137 win EZTRAINER $4596 Tough Basic Trainer Great Secona 19-jo eng- 3 oh SEE YOUR LER Oealers-DistributorsStandard discounts 19-40 eng- 4 oh COMING SOON FUN FLI 60 $5595 PROOUCTION nM Induatri. ox 5684 dena CA 91107
Edition: Model Aviation - 1983/07
Page Numbers: 12, 14, 16, 136, 137
S emislirst Avoiding RC switch failures Fire Loose props Preflight checklists John Preston SOME may wondering what hap pened Safety column May 1983 issue MA dont know Somehow got scrambled pipe line between writer printer think thing wrote therebut same order written No prize being offered first person un scramble anyone wants un scrambled version Id glad supply receipt SASE Ive got mixed bag month First topic follow-up item appeared column April 1983 issue asked readers comment statement found clubs newsletter recom mended mounting receiver switch RC airplane servo tray rather side fuselage because almost always switch fails mounted side fuse No ration ale accompanied newsletter recom mendation letter David Kruger Cla remont CA offers plausible reason failure switches mounted fuse lage sides Im writing mainly advise anyone mount RC switches fuselage sides especially switch button knob does protrude very much fuselage less /x reason have lost two aircraft because failure switch maintain contact due gradual enlargement recess switch slider movessee diagram enlargement inevitable result thumb finger-pressure switch ton turned Off switches use ones supplied Ace RC Continental Wire believe very light construction Noble switch may susceptible dont know 'In usual internal mounting ar rangement sideways forces exerted switch knob therefore switch fuselage side side view will fail reason anyway now wrap thread followed CyA glue around wires switch body end reinforce switches provide strain-relief wires' cannot verify thread/CyA-glue reinforcement way solve switch problems works David maybe will work others Seems like best solution put switch servo tray possible use push-pull piano Continued page 14 slider metal sides thin tabs get bent easilyview phenolic board holding contacts pushes tabs increasing gap slider must fill 12 Model Aviation p II IAT iOT TO TI&HTF\1 Discriminate Scale Fliers Demand Dave Platt im perfectionist kits prove reputation finest models RC scale has founded upon careful attention detail period over twenty years fact Im particular about kits theyre available personally make kit sign hold myself responsible reproductions genuine Dave Platt kit guarantee true outline combined force arrangement flies properly THE ULTIMATE legendary beauty efficiency Spitfire 1/5 scale Accurate last subtle curve Magniticient indeed fust sitting simply awe inspiring flight Powered 90 120 gIn engine Maximizer ultimate Spitfire will provide intense experience sophisticated R/C $249 modeler Span 88 Length 76 Weight 15-20 lbs Irand bold flies great staying easily transportable 1/5 scale 79 span over 1000 sq ins 90 engines Bucker Jungmeister regular direct drive engines 60 90 65 span 1/4 scale ace aerobatic biplane time Still fits car $139 $179 New 1/4 Scale Pilot4$139 Supplied unpaint- ed comes in-Available 15J 1/5 1/6 scale World Retracting struction booklet Landing Gear r Il Fighter Pilots fullNow Strengthened _______________________________ Complete System St 39 figure$25heier ships V HOW TO ORDERDirect manufacturer no markup Write ur call. accept check money order Master Charge Visa cards pay UPS anywhere USA Florida residents add 4% sales rae Yes accept foreign orders pay freight slorinaton model send sell addressed envelope nave Dlatt iviodeim inc 6940 NW 15th Street Plantation Florida 33313 Phone 305 587-4861 Noi vjfilarvd iS ovi oiSe co,poi wire extension through fuselage side operate Another letter sparked pun tended topic April issue comes Jerry Swain another Californian time Baldwin Park Jerry writes just finished reading article April issue MA about batteries short out made remember incident happened day flying field putting fuel tank airplane fuel always squirted out pressure line tube connects muffler tank full now have small container catches fuel spillage Well fuel squirted out got piece carpet always use kneel hooked up battery glow plug started engine Everything just fine until discon nected two alligator clips engine let fall carpet Suddenly kinds things started happening First running airplane engine front could let go ofbut real problem problem piece carpet turning black disappearing right front eyes things getting pretty hot could see flames carpet sure burning grabbed plane got out fire no damage anything except carpet sure lucky shirt did catch fire Needless say am now much careful agree Jerry indeed lucky lose piece carpet must use alligator clips attach starting bat tery glow plug simple way lessen likelihood two clips touching causing spark drain ing battery few years ago scale model completely-cowled en gine could use commercial glow plug clip Short leads per manently attached glow plug ended somewhere cowling air outlet attachment alligator clips used Radio Shack twin-lead hookup wire cat No 278-1264 connec alligator clips battery conductor wire snipped off about 3 shorter other lying loose ground likelihood clip touching other minimal Only longer wire purposely bent through 1800 could its clip contact clip shorter wtre seldom column gets out mention some type incident associ ated whirling propeller months saga comes Hangar Talk newsletter Orange Coast RC Club Midway City CA written Mark Churgel under title Safety First Last Always Complacency can RC fliers arch enemy comes injury Things go along incident suddenly avoidable accident occurs Ask Forrest Ed wards couple weeks ago Forrest made some minor modifications beauCon tinued page 16 14 Model Aviation K Dynathrusts composite constructiOn provides Unequaled Durability Saves money 100% accurate pitch results Outstanding Perlormance Air Counts WHY SETTLE FOR LESS can have PerforrnanCa/ECoflofl1Y s7OO slO00 s14O0 15x 6 18x 6- 8 10 __________20x 6- 8- 10 __ __ _________22x 8-10 1800 Prices ncIde UPS hages D MASTER CHARGE DVISA DCOD ECHECK jjjMONEY ORDER Dealers / DIstrIbutorS Invited DYNATHRUST PROPS ING 2541 NE lith Court Pompano Beach FL 33062 1305941 9119 tiful famous five-cylinder four-stroke next day out field fired up done 300 times Suddenly warning large 22-in prop flew off struck Forrest nose result near loss nose better hour skilled surgeon worked Forrest suturing nose back place Forrest would first say could have avoided checked prop nut made two mistakes actually became complacent didnt check nut secondly front en gine checking out thankful good friend great modeler hurt seri ously experience object lesson us Never take whirling prop granted Its buzz-saw out needs treated such sure check prop nut before fly ways can loosen andloose flying unattached airplaneit comes deadly missile Mark concluded newsletter article stating future issue would discuss importance preflight check takes us back topic appeared last column June club flight training program issue parts Charles ton SC RC Societys Training Guide book let published Since two ad ditional clubs have sent information similar programs Northern Virginia RC Club came booklet following title Pilot TraininglQualification Guide Preflight Inspection Checklists booklet ac companied 6 x 4-in card heat-sealed protective plastic cover printed Routine Preflight Inspection side Maiden Flight Preflight spection other side checklists appear booklet also card can carried members field boxes two separate preflight checklists self explanatory use brandnew model can used either its builder builder beginner clubs flight instructors other checklist use time member goes tlying field Although said human brain greatest computer ever invented sometimes its owner forgets punch right key something un planned happens addition prop nuts getting tight ened models take off receiver antennas tucked inside fuselage aileron ele vator servos reversed host other things can lead demise could have avoided owner personal computer prompted means checklist benefit others may also wish produce checklist club members NVRC list items examined during Routine Preflight spection follows INTERNAL Before attaching wing I Check servo mount servo servo arms secure Continued page 136 16 Model Aviation Its FCS-4 Radio Designed Canadian governments target drone program approved US Armed Forces Training Command Full Command Systems has now brought cut ting edge Radio Control technology hobbiest service parts available past manufactured EK Logitrol radios including Logitrol manufactured Cirrus Tower Hobby Lobby radios Free servo reversing Hobby Lobby radios included service work Introducing new 4 ch kit $7995 Expandable 7 ch zI-x FCS-4 Four Channel Radio Wider body ends aching shoulder muscles Angled easier monitering battery charge Designed easily accept new frequencies Servo reversing simply reversing plug Adjustable stick tension Inexpensive replacement servos 45OmAH battery pack 600mAH & 1200mAH extra Expandab 5 large linear serves 12995 small rotary servos Command Systems1509487-2122 908 E Rosewood Spokane WA 99207 IASCALICHWMUNKSI LMLL t MIIULJSTER Send 5O catalogN 6-499-5323 RC Kits MfgN LjCanto NE OH 44721 STEPHENS ACRO Kraft RIC Electronics AUTHORIZED WARRANTY T5 SERVICE Summer Special Working non-working systems components checked & re paired Servos stripped cleaned & lubed Test report submitted Price basis 4-7 channel system 4 servos Parts Shipping extra$2975 2-3 ch system w12 servos 52475 MILT ERB New Frequency Conversion System$2500 50% ott w/ Pre-season Check-Up Special Tests will included proper operation new frequencies Tx tests will include spectrum analysis Px will checked proper band width Send SASE info new frequencies ALSO AUTHORIZED SERWCE FOR 1685 Beckwith Dr Hudson OH 44236216 655-2278 Fun/Winter Continued page 133 Re-Volt-er May Model Aviation excellent all-round choice direct drive 05 7-3 50-in span 32 oz its loading 142 oz per sq ft area can highly recommend article Harrison Mannel May 1983 Fly ing Models pages 52-53 After three years testing motor battery gli der combinations wrote have found what feel ultimate combi nation electric-powered sailpianes him Top Elite Metrick 05 short article jammed meaningful simple info fine briefing getting started Mitch Poling Model Builder lets hang out MB has full Electrics lately Jim Zarembski has some fine stuff RC Modeler Join SEAM $10 receive newsletterthey speak duffer language Society Electric Aircraft Modelers 11632 Flamingo Dr Garden Grove CA 92644 Bob Kopski will soon have some primer-type articles Model Aviationhe has saved neck occasions Im little afraid mentioned sev eral letters Pattern-wind motor reduction-drive systems hotwind motor direct drive Thats backwards Its just other way around Over 50 years modeling taught thousands know toothat exacting science full-scale aerody namics practically worthless ap plied models build ounces pounds build thousands tons pounds models see dra matic changes size weight speedand Scale Effect makes shambles math Airflow nothing like full-scale know very little what does over small models wing loading makes small Rub ber job lump lead results ghostship floater big Gassie Identical models slightly heavier fly entirely different champ other dogwith same airfoil scale possibilities includes literally thousands variations reminds us Paul Gar ber Curator Emeritus National Air Space Museum Smithson ian Instution Paul boy saw Wrights fly world expert kites makes Washington newspapers during annual Kite Fly Washington Monument grounds dont know much about drag ons comments sure know fly great Bill Winter 4426 Altura Ct Fairfax VA 22030 Editor Bill asks us advise readers write columniststo Bill Winter others AMA HQ MA editorial offices matterto always put full name address letter just envelope Envelopes become detached full name address letter itself response proper credit magazine may impos sible Also plead take easy Bill Winter miscellaneous questions keep sending him good material columns Bill being inundated questions really should addressed other cate gory columnists addresses end columns response needed please include pre-addressed stamped envelopeCarl Wheeley Safety/Preston Continued oaoe 16 2 Check pushrods secure 3 Check receiver battery secure 4 Check loose items/wires could foul servo arms/pushrods 5 Check fuel leaks S Nick Zirobs F4U CORSAIR 2 4 Cu size Engines Fiberglass Faselage & Coleg acailable design 0/A NT RIC SCALE PLAN DESIGNS AT-S TEXAN24 I101 Spon$2700pp USA FOKKRR DR-i27 163 Tripe$2500pp USA FOP REARCAT2/ 106 Spec$2700pp USA CURTISS P402/ 194 Spon$2700pp USA F4U CORSAIR2 193 Spec$2700pp USA Fiberglass Cowlings & Canopies ae available also Send stamp tar detailed brochares oar Giant Scale Accessories Oar Plans sent Postpaid inithe ISa UbAl 136 Model Aviation ir 4v span 56 Channels 2 -3 Wing Area 690 sq Engine 19- 35 i dSS lopper complete 1/6 scale H/C model kit designed assemblelook fly like famous WeedhopperrM Model-C Ultralight AIRCRAFT part aluminum structure pre-bent drilled nylon rip-stop coverings pre-sewn1/6 Scale $16995 Available choice four colors hobby shop now1/3 Scale $26995 Other ultralights available soon carlberg companies product 8170 WEST PENN AVE ROSEVILLE 1161473 PHONE 309/426-2161 Flite Line Models over 20 years have made some easiest build best flying kits money can buy real treat try see Manufactured modelers modelers Most kits may built either standard trike gear Kits feature hand cut parts AAA materials formed gear hinges horns etc EZSPORT $4 1940 eng -4 EZ ILl $4996 Aileron Trainer 19-40 eng -4 oh SKOOTER II $4295 Iwlbalsa wing skins $4695 An Old Favorite 40-60 eng-4 oh FUN FLI 40 $4195NEW 19-40 en -4chl 4 19 Rod 40 3207 34th St Lubbock TX 79410 806792 2671 WING I Check wing breaks warps cracks etc 2 Check aileron pushrods linkage devises equipped prior securing wing aircraft ENGINE AREA I Check engine mount engine muffler prop nut and/or spinner security 2 Check prop nicks cracks etc 3 Check nose steering mechanism equipped 4 Check cowl secure equipped TAIL SECTION I Check vertical fin rudder rudder clevis security 2 Check tail wheel equipped 3 Check horizontal stabilizer elevator elevator clevis security RANGE CHECK/FLIGHT CONTROL CHECK I When frequency pin available tach antenna range-check air craft antenna collapsed 2 Check flight controls move proper direction 3 Check flight control surfaces proper trim guess can find fault NVRC list may obvious fault because came close losing air plane because some years back Have spotted Nowhere does say check wing attachment rubberbands bolts prior CONDOR PACKS POWERHOUSE world famous engines hell kits & Write phone hi-tech accessories NI or drop 3j complete listings& dollar saving prices 17835 Sky Park Cr WWuSuite E Irvine CA 92714 CD 71 4/556 1888 flight once taxiing onto runway before noticed wing Falcon 56 attached two rubberbands Ill probably get jumped fellow NVRC clulb members being picky since list did say wing checks before securing wing aircraft writing latter part months safety epistle thought comes mind probably prompted recent letter Bob Neider flys both Cresent City RC Club Delta Airlines Bobs letter suggested devote part AMA rule book basic reference material modelers safers- tips already have AMA Safety Code rule book think Bob suggesting something expansive Having some basic safety material available beginners has back mind some time reason havent suggested fearless leaders afraid theyd turn around suggest write Any way back thought prompted Bobs letter Would interest having plastic-encapsulated checklist RC fliers such done NVRC available AMA l-IQ basic supplies thoughts other sugges tions would welcome Now back painting model say Fat chanceits spare bedroom follows exterior house Yes MODEL MOTOR MUGTM high quality totally glazed ceramic engine mug must modeler Standing 51/2 inches tall large 10 oz capacity its real attention getter definite collectors piece years come OnlyPlus $200 postage $695and handling per order CA residents add sales tax too would rather flying Have safe month John Preston 7012 Elsira Ci Falls Church VA 22042 Toledo/Beckman Continued page 20 Giant Scale again dominated show models being brought display fall Giant Scale category absolutely beautifulas well big took lot pictures fabulous miniature aircraft unfortunately isnt room Ill try work some future Giant Scale columns area new things big story engines surprised last year new engines showed up year two three times Note also last year did reappear course standards Quadra Kawa saki Kioritz much evidence new Quadra Q50 5 0cc 3 Cu display already built some models display two engines particular interest hori zontally-opposed twin displayed Roush Manufacturing built Continued page 140 REPLACEMENT PARTS FOR Kraft Engines Teatari McCoy TaIpan 40 RJL ENGINES Call Only Factory Source RJL INDUSTRIES Free Parts Catalog Available Phone 213 3190016 July 1983 137 win EZTRAINER $4596 Tough Basic Trainer Great Secona 19-jo eng- 3 oh SEE YOUR LER Oealers-DistributorsStandard discounts 19-40 eng- 4 oh COMING SOON FUN FLI 60 $5595 PROOUCTION nM Induatri. ox 5684 dena CA 91107
Edition: Model Aviation - 1983/07
Page Numbers: 12, 14, 16, 136, 137
S emislirst Avoiding RC switch failures Fire Loose props Preflight checklists John Preston SOME may wondering what hap pened Safety column May 1983 issue MA dont know Somehow got scrambled pipe line between writer printer think thing wrote therebut same order written No prize being offered first person un scramble anyone wants un scrambled version Id glad supply receipt SASE Ive got mixed bag month First topic follow-up item appeared column April 1983 issue asked readers comment statement found clubs newsletter recom mended mounting receiver switch RC airplane servo tray rather side fuselage because almost always switch fails mounted side fuse No ration ale accompanied newsletter recom mendation letter David Kruger Cla remont CA offers plausible reason failure switches mounted fuse lage sides Im writing mainly advise anyone mount RC switches fuselage sides especially switch button knob does protrude very much fuselage less /x reason have lost two aircraft because failure switch maintain contact due gradual enlargement recess switch slider movessee diagram enlargement inevitable result thumb finger-pressure switch ton turned Off switches use ones supplied Ace RC Continental Wire believe very light construction Noble switch may susceptible dont know 'In usual internal mounting ar rangement sideways forces exerted switch knob therefore switch fuselage side side view will fail reason anyway now wrap thread followed CyA glue around wires switch body end reinforce switches provide strain-relief wires' cannot verify thread/CyA-glue reinforcement way solve switch problems works David maybe will work others Seems like best solution put switch servo tray possible use push-pull piano Continued page 14 slider metal sides thin tabs get bent easilyview phenolic board holding contacts pushes tabs increasing gap slider must fill 12 Model Aviation p II IAT iOT TO TI&HTF\1 Discriminate Scale Fliers Demand Dave Platt im perfectionist kits prove reputation finest models RC scale has founded upon careful attention detail period over twenty years fact Im particular about kits theyre available personally make kit sign hold myself responsible reproductions genuine Dave Platt kit guarantee true outline combined force arrangement flies properly THE ULTIMATE legendary beauty efficiency Spitfire 1/5 scale Accurate last subtle curve Magniticient indeed fust sitting simply awe inspiring flight Powered 90 120 gIn engine Maximizer ultimate Spitfire will provide intense experience sophisticated R/C $249 modeler Span 88 Length 76 Weight 15-20 lbs Irand bold flies great staying easily transportable 1/5 scale 79 span over 1000 sq ins 90 engines Bucker Jungmeister regular direct drive engines 60 90 65 span 1/4 scale ace aerobatic biplane time Still fits car $139 $179 New 1/4 Scale Pilot4$139 Supplied unpaint- ed comes in-Available 15J 1/5 1/6 scale World Retracting struction booklet Landing Gear r Il Fighter Pilots fullNow Strengthened _______________________________ Complete System St 39 figure$25heier ships V HOW TO ORDERDirect manufacturer no markup Write ur call. accept check money order Master Charge Visa cards pay UPS anywhere USA Florida residents add 4% sales rae Yes accept foreign orders pay freight slorinaton model send sell addressed envelope nave Dlatt iviodeim inc 6940 NW 15th Street Plantation Florida 33313 Phone 305 587-4861 Noi vjfilarvd iS ovi oiSe co,poi wire extension through fuselage side operate Another letter sparked pun tended topic April issue comes Jerry Swain another Californian time Baldwin Park Jerry writes just finished reading article April issue MA about batteries short out made remember incident happened day flying field putting fuel tank airplane fuel always squirted out pressure line tube connects muffler tank full now have small container catches fuel spillage Well fuel squirted out got piece carpet always use kneel hooked up battery glow plug started engine Everything just fine until discon nected two alligator clips engine let fall carpet Suddenly kinds things started happening First running airplane engine front could let go ofbut real problem problem piece carpet turning black disappearing right front eyes things getting pretty hot could see flames carpet sure burning grabbed plane got out fire no damage anything except carpet sure lucky shirt did catch fire Needless say am now much careful agree Jerry indeed lucky lose piece carpet must use alligator clips attach starting bat tery glow plug simple way lessen likelihood two clips touching causing spark drain ing battery few years ago scale model completely-cowled en gine could use commercial glow plug clip Short leads per manently attached glow plug ended somewhere cowling air outlet attachment alligator clips used Radio Shack twin-lead hookup wire cat No 278-1264 connec alligator clips battery conductor wire snipped off about 3 shorter other lying loose ground likelihood clip touching other minimal Only longer wire purposely bent through 1800 could its clip contact clip shorter wtre seldom column gets out mention some type incident associ ated whirling propeller months saga comes Hangar Talk newsletter Orange Coast RC Club Midway City CA written Mark Churgel under title Safety First Last Always Complacency can RC fliers arch enemy comes injury Things go along incident suddenly avoidable accident occurs Ask Forrest Ed wards couple weeks ago Forrest made some minor modifications beauCon tinued page 16 14 Model Aviation K Dynathrusts composite constructiOn provides Unequaled Durability Saves money 100% accurate pitch results Outstanding Perlormance Air Counts WHY SETTLE FOR LESS can have PerforrnanCa/ECoflofl1Y s7OO slO00 s14O0 15x 6 18x 6- 8 10 __________20x 6- 8- 10 __ __ _________22x 8-10 1800 Prices ncIde UPS hages D MASTER CHARGE DVISA DCOD ECHECK jjjMONEY ORDER Dealers / DIstrIbutorS Invited DYNATHRUST PROPS ING 2541 NE lith Court Pompano Beach FL 33062 1305941 9119 tiful famous five-cylinder four-stroke next day out field fired up done 300 times Suddenly warning large 22-in prop flew off struck Forrest nose result near loss nose better hour skilled surgeon worked Forrest suturing nose back place Forrest would first say could have avoided checked prop nut made two mistakes actually became complacent didnt check nut secondly front en gine checking out thankful good friend great modeler hurt seri ously experience object lesson us Never take whirling prop granted Its buzz-saw out needs treated such sure check prop nut before fly ways can loosen andloose flying unattached airplaneit comes deadly missile Mark concluded newsletter article stating future issue would discuss importance preflight check takes us back topic appeared last column June club flight training program issue parts Charles ton SC RC Societys Training Guide book let published Since two ad ditional clubs have sent information similar programs Northern Virginia RC Club came booklet following title Pilot TraininglQualification Guide Preflight Inspection Checklists booklet ac companied 6 x 4-in card heat-sealed protective plastic cover printed Routine Preflight Inspection side Maiden Flight Preflight spection other side checklists appear booklet also card can carried members field boxes two separate preflight checklists self explanatory use brandnew model can used either its builder builder beginner clubs flight instructors other checklist use time member goes tlying field Although said human brain greatest computer ever invented sometimes its owner forgets punch right key something un planned happens addition prop nuts getting tight ened models take off receiver antennas tucked inside fuselage aileron ele vator servos reversed host other things can lead demise could have avoided owner personal computer prompted means checklist benefit others may also wish produce checklist club members NVRC list items examined during Routine Preflight spection follows INTERNAL Before attaching wing I Check servo mount servo servo arms secure Continued page 136 16 Model Aviation Its FCS-4 Radio Designed Canadian governments target drone program approved US Armed Forces Training Command Full Command Systems has now brought cut ting edge Radio Control technology hobbiest service parts available past manufactured EK Logitrol radios including Logitrol manufactured Cirrus Tower Hobby Lobby radios Free servo reversing Hobby Lobby radios included service work Introducing new 4 ch kit $7995 Expandable 7 ch zI-x FCS-4 Four Channel Radio Wider body ends aching shoulder muscles Angled easier monitering battery charge Designed easily accept new frequencies Servo reversing simply reversing plug Adjustable stick tension Inexpensive replacement servos 45OmAH battery pack 600mAH & 1200mAH extra Expandab 5 large linear serves 12995 small rotary servos Command Systems1509487-2122 908 E Rosewood Spokane WA 99207 IASCALICHWMUNKSI LMLL t MIIULJSTER Send 5O catalogN 6-499-5323 RC Kits MfgN LjCanto NE OH 44721 STEPHENS ACRO Kraft RIC Electronics AUTHORIZED WARRANTY T5 SERVICE Summer Special Working non-working systems components checked & re paired Servos stripped cleaned & lubed Test report submitted Price basis 4-7 channel system 4 servos Parts Shipping extra$2975 2-3 ch system w12 servos 52475 MILT ERB New Frequency Conversion System$2500 50% ott w/ Pre-season Check-Up Special Tests will included proper operation new frequencies Tx tests will include spectrum analysis Px will checked proper band width Send SASE info new frequencies ALSO AUTHORIZED SERWCE FOR 1685 Beckwith Dr Hudson OH 44236216 655-2278 Fun/Winter Continued page 133 Re-Volt-er May Model Aviation excellent all-round choice direct drive 05 7-3 50-in span 32 oz its loading 142 oz per sq ft area can highly recommend article Harrison Mannel May 1983 Fly ing Models pages 52-53 After three years testing motor battery gli der combinations wrote have found what feel ultimate combi nation electric-powered sailpianes him Top Elite Metrick 05 short article jammed meaningful simple info fine briefing getting started Mitch Poling Model Builder lets hang out MB has full Electrics lately Jim Zarembski has some fine stuff RC Modeler Join SEAM $10 receive newsletterthey speak duffer language Society Electric Aircraft Modelers 11632 Flamingo Dr Garden Grove CA 92644 Bob Kopski will soon have some primer-type articles Model Aviationhe has saved neck occasions Im little afraid mentioned sev eral letters Pattern-wind motor reduction-drive systems hotwind motor direct drive Thats backwards Its just other way around Over 50 years modeling taught thousands know toothat exacting science full-scale aerody namics practically worthless ap plied models build ounces pounds build thousands tons pounds models see dra matic changes size weight speedand Scale Effect makes shambles math Airflow nothing like full-scale know very little what does over small models wing loading makes small Rub ber job lump lead results ghostship floater big Gassie Identical models slightly heavier fly entirely different champ other dogwith same airfoil scale possibilities includes literally thousands variations reminds us Paul Gar ber Curator Emeritus National Air Space Museum Smithson ian Instution Paul boy saw Wrights fly world expert kites makes Washington newspapers during annual Kite Fly Washington Monument grounds dont know much about drag ons comments sure know fly great Bill Winter 4426 Altura Ct Fairfax VA 22030 Editor Bill asks us advise readers write columniststo Bill Winter others AMA HQ MA editorial offices matterto always put full name address letter just envelope Envelopes become detached full name address letter itself response proper credit magazine may impos sible Also plead take easy Bill Winter miscellaneous questions keep sending him good material columns Bill being inundated questions really should addressed other cate gory columnists addresses end columns response needed please include pre-addressed stamped envelopeCarl Wheeley Safety/Preston Continued oaoe 16 2 Check pushrods secure 3 Check receiver battery secure 4 Check loose items/wires could foul servo arms/pushrods 5 Check fuel leaks S Nick Zirobs F4U CORSAIR 2 4 Cu size Engines Fiberglass Faselage & Coleg acailable design 0/A NT RIC SCALE PLAN DESIGNS AT-S TEXAN24 I101 Spon$2700pp USA FOKKRR DR-i27 163 Tripe$2500pp USA FOP REARCAT2/ 106 Spec$2700pp USA CURTISS P402/ 194 Spon$2700pp USA F4U CORSAIR2 193 Spec$2700pp USA Fiberglass Cowlings & Canopies ae available also Send stamp tar detailed brochares oar Giant Scale Accessories Oar Plans sent Postpaid inithe ISa UbAl 136 Model Aviation ir 4v span 56 Channels 2 -3 Wing Area 690 sq Engine 19- 35 i dSS lopper complete 1/6 scale H/C model kit designed assemblelook fly like famous WeedhopperrM Model-C Ultralight AIRCRAFT part aluminum structure pre-bent drilled nylon rip-stop coverings pre-sewn1/6 Scale $16995 Available choice four colors hobby shop now1/3 Scale $26995 Other ultralights available soon carlberg companies product 8170 WEST PENN AVE ROSEVILLE 1161473 PHONE 309/426-2161 Flite Line Models over 20 years have made some easiest build best flying kits money can buy real treat try see Manufactured modelers modelers Most kits may built either standard trike gear Kits feature hand cut parts AAA materials formed gear hinges horns etc EZSPORT $4 1940 eng -4 EZ ILl $4996 Aileron Trainer 19-40 eng -4 oh SKOOTER II $4295 Iwlbalsa wing skins $4695 An Old Favorite 40-60 eng-4 oh FUN FLI 40 $4195NEW 19-40 en -4chl 4 19 Rod 40 3207 34th St Lubbock TX 79410 806792 2671 WING I Check wing breaks warps cracks etc 2 Check aileron pushrods linkage devises equipped prior securing wing aircraft ENGINE AREA I Check engine mount engine muffler prop nut and/or spinner security 2 Check prop nicks cracks etc 3 Check nose steering mechanism equipped 4 Check cowl secure equipped TAIL SECTION I Check vertical fin rudder rudder clevis security 2 Check tail wheel equipped 3 Check horizontal stabilizer elevator elevator clevis security RANGE CHECK/FLIGHT CONTROL CHECK I When frequency pin available tach antenna range-check air craft antenna collapsed 2 Check flight controls move proper direction 3 Check flight control surfaces proper trim guess can find fault NVRC list may obvious fault because came close losing air plane because some years back Have spotted Nowhere does say check wing attachment rubberbands bolts prior CONDOR PACKS POWERHOUSE world famous engines hell kits & Write phone hi-tech accessories NI or drop 3j complete listings& dollar saving prices 17835 Sky Park Cr WWuSuite E Irvine CA 92714 CD 71 4/556 1888 flight once taxiing onto runway before noticed wing Falcon 56 attached two rubberbands Ill probably get jumped fellow NVRC clulb members being picky since list did say wing checks before securing wing aircraft writing latter part months safety epistle thought comes mind probably prompted recent letter Bob Neider flys both Cresent City RC Club Delta Airlines Bobs letter suggested devote part AMA rule book basic reference material modelers safers- tips already have AMA Safety Code rule book think Bob suggesting something expansive Having some basic safety material available beginners has back mind some time reason havent suggested fearless leaders afraid theyd turn around suggest write Any way back thought prompted Bobs letter Would interest having plastic-encapsulated checklist RC fliers such done NVRC available AMA l-IQ basic supplies thoughts other sugges tions would welcome Now back painting model say Fat chanceits spare bedroom follows exterior house Yes MODEL MOTOR MUGTM high quality totally glazed ceramic engine mug must modeler Standing 51/2 inches tall large 10 oz capacity its real attention getter definite collectors piece years come OnlyPlus $200 postage $695and handling per order CA residents add sales tax too would rather flying Have safe month John Preston 7012 Elsira Ci Falls Church VA 22042 Toledo/Beckman Continued page 20 Giant Scale again dominated show models being brought display fall Giant Scale category absolutely beautifulas well big took lot pictures fabulous miniature aircraft unfortunately isnt room Ill try work some future Giant Scale columns area new things big story engines surprised last year new engines showed up year two three times Note also last year did reappear course standards Quadra Kawa saki Kioritz much evidence new Quadra Q50 5 0cc 3 Cu display already built some models display two engines particular interest hori zontally-opposed twin displayed Roush Manufacturing built Continued page 140 REPLACEMENT PARTS FOR Kraft Engines Teatari McCoy TaIpan 40 RJL ENGINES Call Only Factory Source RJL INDUSTRIES Free Parts Catalog Available Phone 213 3190016 July 1983 137 win EZTRAINER $4596 Tough Basic Trainer Great Secona 19-jo eng- 3 oh SEE YOUR LER Oealers-DistributorsStandard discounts 19-40 eng- 4 oh COMING SOON FUN FLI 60 $5595 PROOUCTION nM Induatri. ox 5684 dena CA 91107
Edition: Model Aviation - 1983/07
Page Numbers: 12, 14, 16, 136, 137
S emislirst Avoiding RC switch failures Fire Loose props Preflight checklists John Preston SOME may wondering what hap pened Safety column May 1983 issue MA dont know Somehow got scrambled pipe line between writer printer think thing wrote therebut same order written No prize being offered first person un scramble anyone wants un scrambled version Id glad supply receipt SASE Ive got mixed bag month First topic follow-up item appeared column April 1983 issue asked readers comment statement found clubs newsletter recom mended mounting receiver switch RC airplane servo tray rather side fuselage because almost always switch fails mounted side fuse No ration ale accompanied newsletter recom mendation letter David Kruger Cla remont CA offers plausible reason failure switches mounted fuse lage sides Im writing mainly advise anyone mount RC switches fuselage sides especially switch button knob does protrude very much fuselage less /x reason have lost two aircraft because failure switch maintain contact due gradual enlargement recess switch slider movessee diagram enlargement inevitable result thumb finger-pressure switch ton turned Off switches use ones supplied Ace RC Continental Wire believe very light construction Noble switch may susceptible dont know 'In usual internal mounting ar rangement sideways forces exerted switch knob therefore switch fuselage side side view will fail reason anyway now wrap thread followed CyA glue around wires switch body end reinforce switches provide strain-relief wires' cannot verify thread/CyA-glue reinforcement way solve switch problems works David maybe will work others Seems like best solution put switch servo tray possible use push-pull piano Continued page 14 slider metal sides thin tabs get bent easilyview phenolic board holding contacts pushes tabs increasing gap slider must fill 12 Model Aviation p II IAT iOT TO TI&HTF\1 Discriminate Scale Fliers Demand Dave Platt im perfectionist kits prove reputation finest models RC scale has founded upon careful attention detail period over twenty years fact Im particular about kits theyre available personally make kit sign hold myself responsible reproductions genuine Dave Platt kit guarantee true outline combined force arrangement flies properly THE ULTIMATE legendary beauty efficiency Spitfire 1/5 scale Accurate last subtle curve Magniticient indeed fust sitting simply awe inspiring flight Powered 90 120 gIn engine Maximizer ultimate Spitfire will provide intense experience sophisticated R/C $249 modeler Span 88 Length 76 Weight 15-20 lbs Irand bold flies great staying easily transportable 1/5 scale 79 span over 1000 sq ins 90 engines Bucker Jungmeister regular direct drive engines 60 90 65 span 1/4 scale ace aerobatic biplane time Still fits car $139 $179 New 1/4 Scale Pilot4$139 Supplied unpaint- ed comes in-Available 15J 1/5 1/6 scale World Retracting struction booklet Landing Gear r Il Fighter Pilots fullNow Strengthened _______________________________ Complete System St 39 figure$25heier ships V HOW TO ORDERDirect manufacturer no markup Write ur call. accept check money order Master Charge Visa cards pay UPS anywhere USA Florida residents add 4% sales rae Yes accept foreign orders pay freight slorinaton model send sell addressed envelope nave Dlatt iviodeim inc 6940 NW 15th Street Plantation Florida 33313 Phone 305 587-4861 Noi vjfilarvd iS ovi oiSe co,poi wire extension through fuselage side operate Another letter sparked pun tended topic April issue comes Jerry Swain another Californian time Baldwin Park Jerry writes just finished reading article April issue MA about batteries short out made remember incident happened day flying field putting fuel tank airplane fuel always squirted out pressure line tube connects muffler tank full now have small container catches fuel spillage Well fuel squirted out got piece carpet always use kneel hooked up battery glow plug started engine Everything just fine until discon nected two alligator clips engine let fall carpet Suddenly kinds things started happening First running airplane engine front could let go ofbut real problem problem piece carpet turning black disappearing right front eyes things getting pretty hot could see flames carpet sure burning grabbed plane got out fire no damage anything except carpet sure lucky shirt did catch fire Needless say am now much careful agree Jerry indeed lucky lose piece carpet must use alligator clips attach starting bat tery glow plug simple way lessen likelihood two clips touching causing spark drain ing battery few years ago scale model completely-cowled en gine could use commercial glow plug clip Short leads per manently attached glow plug ended somewhere cowling air outlet attachment alligator clips used Radio Shack twin-lead hookup wire cat No 278-1264 connec alligator clips battery conductor wire snipped off about 3 shorter other lying loose ground likelihood clip touching other minimal Only longer wire purposely bent through 1800 could its clip contact clip shorter wtre seldom column gets out mention some type incident associ ated whirling propeller months saga comes Hangar Talk newsletter Orange Coast RC Club Midway City CA written Mark Churgel under title Safety First Last Always Complacency can RC fliers arch enemy comes injury Things go along incident suddenly avoidable accident occurs Ask Forrest Ed wards couple weeks ago Forrest made some minor modifications beauCon tinued page 16 14 Model Aviation K Dynathrusts composite constructiOn provides Unequaled Durability Saves money 100% accurate pitch results Outstanding Perlormance Air Counts WHY SETTLE FOR LESS can have PerforrnanCa/ECoflofl1Y s7OO slO00 s14O0 15x 6 18x 6- 8 10 __________20x 6- 8- 10 __ __ _________22x 8-10 1800 Prices ncIde UPS hages D MASTER CHARGE DVISA DCOD ECHECK jjjMONEY ORDER Dealers / DIstrIbutorS Invited DYNATHRUST PROPS ING 2541 NE lith Court Pompano Beach FL 33062 1305941 9119 tiful famous five-cylinder four-stroke next day out field fired up done 300 times Suddenly warning large 22-in prop flew off struck Forrest nose result near loss nose better hour skilled surgeon worked Forrest suturing nose back place Forrest would first say could have avoided checked prop nut made two mistakes actually became complacent didnt check nut secondly front en gine checking out thankful good friend great modeler hurt seri ously experience object lesson us Never take whirling prop granted Its buzz-saw out needs treated such sure check prop nut before fly ways can loosen andloose flying unattached airplaneit comes deadly missile Mark concluded newsletter article stating future issue would discuss importance preflight check takes us back topic appeared last column June club flight training program issue parts Charles ton SC RC Societys Training Guide book let published Since two ad ditional clubs have sent information similar programs Northern Virginia RC Club came booklet following title Pilot TraininglQualification Guide Preflight Inspection Checklists booklet ac companied 6 x 4-in card heat-sealed protective plastic cover printed Routine Preflight Inspection side Maiden Flight Preflight spection other side checklists appear booklet also card can carried members field boxes two separate preflight checklists self explanatory use brandnew model can used either its builder builder beginner clubs flight instructors other checklist use time member goes tlying field Although said human brain greatest computer ever invented sometimes its owner forgets punch right key something un planned happens addition prop nuts getting tight ened models take off receiver antennas tucked inside fuselage aileron ele vator servos reversed host other things can lead demise could have avoided owner personal computer prompted means checklist benefit others may also wish produce checklist club members NVRC list items examined during Routine Preflight spection follows INTERNAL Before attaching wing I Check servo mount servo servo arms secure Continued page 136 16 Model Aviation Its FCS-4 Radio Designed Canadian governments target drone program approved US Armed Forces Training Command Full Command Systems has now brought cut ting edge Radio Control technology hobbiest service parts available past manufactured EK Logitrol radios including Logitrol manufactured Cirrus Tower Hobby Lobby radios Free servo reversing Hobby Lobby radios included service work Introducing new 4 ch kit $7995 Expandable 7 ch zI-x FCS-4 Four Channel Radio Wider body ends aching shoulder muscles Angled easier monitering battery charge Designed easily accept new frequencies Servo reversing simply reversing plug Adjustable stick tension Inexpensive replacement servos 45OmAH battery pack 600mAH & 1200mAH extra Expandab 5 large linear serves 12995 small rotary servos Command Systems1509487-2122 908 E Rosewood Spokane WA 99207 IASCALICHWMUNKSI LMLL t MIIULJSTER Send 5O catalogN 6-499-5323 RC Kits MfgN LjCanto NE OH 44721 STEPHENS ACRO Kraft RIC Electronics AUTHORIZED WARRANTY T5 SERVICE Summer Special Working non-working systems components checked & re paired Servos stripped cleaned & lubed Test report submitted Price basis 4-7 channel system 4 servos Parts Shipping extra$2975 2-3 ch system w12 servos 52475 MILT ERB New Frequency Conversion System$2500 50% ott w/ Pre-season Check-Up Special Tests will included proper operation new frequencies Tx tests will include spectrum analysis Px will checked proper band width Send SASE info new frequencies ALSO AUTHORIZED SERWCE FOR 1685 Beckwith Dr Hudson OH 44236216 655-2278 Fun/Winter Continued page 133 Re-Volt-er May Model Aviation excellent all-round choice direct drive 05 7-3 50-in span 32 oz its loading 142 oz per sq ft area can highly recommend article Harrison Mannel May 1983 Fly ing Models pages 52-53 After three years testing motor battery gli der combinations wrote have found what feel ultimate combi nation electric-powered sailpianes him Top Elite Metrick 05 short article jammed meaningful simple info fine briefing getting started Mitch Poling Model Builder lets hang out MB has full Electrics lately Jim Zarembski has some fine stuff RC Modeler Join SEAM $10 receive newsletterthey speak duffer language Society Electric Aircraft Modelers 11632 Flamingo Dr Garden Grove CA 92644 Bob Kopski will soon have some primer-type articles Model Aviationhe has saved neck occasions Im little afraid mentioned sev eral letters Pattern-wind motor reduction-drive systems hotwind motor direct drive Thats backwards Its just other way around Over 50 years modeling taught thousands know toothat exacting science full-scale aerody namics practically worthless ap plied models build ounces pounds build thousands tons pounds models see dra matic changes size weight speedand Scale Effect makes shambles math Airflow nothing like full-scale know very little what does over small models wing loading makes small Rub ber job lump lead results ghostship floater big Gassie Identical models slightly heavier fly entirely different champ other dogwith same airfoil scale possibilities includes literally thousands variations reminds us Paul Gar ber Curator Emeritus National Air Space Museum Smithson ian Instution Paul boy saw Wrights fly world expert kites makes Washington newspapers during annual Kite Fly Washington Monument grounds dont know much about drag ons comments sure know fly great Bill Winter 4426 Altura Ct Fairfax VA 22030 Editor Bill asks us advise readers write columniststo Bill Winter others AMA HQ MA editorial offices matterto always put full name address letter just envelope Envelopes become detached full name address letter itself response proper credit magazine may impos sible Also plead take easy Bill Winter miscellaneous questions keep sending him good material columns Bill being inundated questions really should addressed other cate gory columnists addresses end columns response needed please include pre-addressed stamped envelopeCarl Wheeley Safety/Preston Continued oaoe 16 2 Check pushrods secure 3 Check receiver battery secure 4 Check loose items/wires could foul servo arms/pushrods 5 Check fuel leaks S Nick Zirobs F4U CORSAIR 2 4 Cu size Engines Fiberglass Faselage & Coleg acailable design 0/A NT RIC SCALE PLAN DESIGNS AT-S TEXAN24 I101 Spon$2700pp USA FOKKRR DR-i27 163 Tripe$2500pp USA FOP REARCAT2/ 106 Spec$2700pp USA CURTISS P402/ 194 Spon$2700pp USA F4U CORSAIR2 193 Spec$2700pp USA Fiberglass Cowlings & Canopies ae available also Send stamp tar detailed brochares oar Giant Scale Accessories Oar Plans sent Postpaid inithe ISa UbAl 136 Model Aviation ir 4v span 56 Channels 2 -3 Wing Area 690 sq Engine 19- 35 i dSS lopper complete 1/6 scale H/C model kit designed assemblelook fly like famous WeedhopperrM Model-C Ultralight AIRCRAFT part aluminum structure pre-bent drilled nylon rip-stop coverings pre-sewn1/6 Scale $16995 Available choice four colors hobby shop now1/3 Scale $26995 Other ultralights available soon carlberg companies product 8170 WEST PENN AVE ROSEVILLE 1161473 PHONE 309/426-2161 Flite Line Models over 20 years have made some easiest build best flying kits money can buy real treat try see Manufactured modelers modelers Most kits may built either standard trike gear Kits feature hand cut parts AAA materials formed gear hinges horns etc EZSPORT $4 1940 eng -4 EZ ILl $4996 Aileron Trainer 19-40 eng -4 oh SKOOTER II $4295 Iwlbalsa wing skins $4695 An Old Favorite 40-60 eng-4 oh FUN FLI 40 $4195NEW 19-40 en -4chl 4 19 Rod 40 3207 34th St Lubbock TX 79410 806792 2671 WING I Check wing breaks warps cracks etc 2 Check aileron pushrods linkage devises equipped prior securing wing aircraft ENGINE AREA I Check engine mount engine muffler prop nut and/or spinner security 2 Check prop nicks cracks etc 3 Check nose steering mechanism equipped 4 Check cowl secure equipped TAIL SECTION I Check vertical fin rudder rudder clevis security 2 Check tail wheel equipped 3 Check horizontal stabilizer elevator elevator clevis security RANGE CHECK/FLIGHT CONTROL CHECK I When frequency pin available tach antenna range-check air craft antenna collapsed 2 Check flight controls move proper direction 3 Check flight control surfaces proper trim guess can find fault NVRC list may obvious fault because came close losing air plane because some years back Have spotted Nowhere does say check wing attachment rubberbands bolts prior CONDOR PACKS POWERHOUSE world famous engines hell kits & Write phone hi-tech accessories NI or drop 3j complete listings& dollar saving prices 17835 Sky Park Cr WWuSuite E Irvine CA 92714 CD 71 4/556 1888 flight once taxiing onto runway before noticed wing Falcon 56 attached two rubberbands Ill probably get jumped fellow NVRC clulb members being picky since list did say wing checks before securing wing aircraft writing latter part months safety epistle thought comes mind probably prompted recent letter Bob Neider flys both Cresent City RC Club Delta Airlines Bobs letter suggested devote part AMA rule book basic reference material modelers safers- tips already have AMA Safety Code rule book think Bob suggesting something expansive Having some basic safety material available beginners has back mind some time reason havent suggested fearless leaders afraid theyd turn around suggest write Any way back thought prompted Bobs letter Would interest having plastic-encapsulated checklist RC fliers such done NVRC available AMA l-IQ basic supplies thoughts other sugges tions would welcome Now back painting model say Fat chanceits spare bedroom follows exterior house Yes MODEL MOTOR MUGTM high quality totally glazed ceramic engine mug must modeler Standing 51/2 inches tall large 10 oz capacity its real attention getter definite collectors piece years come OnlyPlus $200 postage $695and handling per order CA residents add sales tax too would rather flying Have safe month John Preston 7012 Elsira Ci Falls Church VA 22042 Toledo/Beckman Continued page 20 Giant Scale again dominated show models being brought display fall Giant Scale category absolutely beautifulas well big took lot pictures fabulous miniature aircraft unfortunately isnt room Ill try work some future Giant Scale columns area new things big story engines surprised last year new engines showed up year two three times Note also last year did reappear course standards Quadra Kawa saki Kioritz much evidence new Quadra Q50 5 0cc 3 Cu display already built some models display two engines particular interest hori zontally-opposed twin displayed Roush Manufacturing built Continued page 140 REPLACEMENT PARTS FOR Kraft Engines Teatari McCoy TaIpan 40 RJL ENGINES Call Only Factory Source RJL INDUSTRIES Free Parts Catalog Available Phone 213 3190016 July 1983 137 win EZTRAINER $4596 Tough Basic Trainer Great Secona 19-jo eng- 3 oh SEE YOUR LER Oealers-DistributorsStandard discounts 19-40 eng- 4 oh COMING SOON FUN FLI 60 $5595 PROOUCTION nM Induatri. ox 5684 dena CA 91107