RADIO CONTROL ELECTRICS THIS MONTH Ill look range reader input some significant industry news nature speed control operational adjustments Whats rewarding about writing column reader input Its also rewarding readership rapidly expanding new names continually appear mail addition regulars New readership continues produce theme mailrepeat topics Ive seen come steadily over years theme difficulty best characterized Im one. folks first venture Electric area club latter often have especially tough first facing Electric ignorance local hobby shop Electric ignorance Electric rejection field situation really gets Ive modeler long time beginning free flight gas early 50s also flying HLG PAA-Load Nordic Indoor outdoor rubber CL Stunt CL Combat quarter-century wet RC recently course Electric RC think have pretty good feel aeromodeling frankly never experienced observed sort behavior described above. until Electric came along think its new phenomenon within modeling largely based ignorance severe example several readers have shared concerns club northeast say goes out its way discourage Electric under guise field rules restrictions assure know what its like though must acknowledge Ive much easier flightline some readers have described first Electric flight occurred 1972 start believed what doing continued struggle less-than-impressive E-power performance available 70s Soon two us three now club has relatively high percentage Electric fliers coexisting wet fact club members routinely fly both think pivot point lies second third person give try individual can demonstrate Electric success interest another two chances excellent continuing Electric growth immediate area club reader plight has theme since inception column 1983 introduced Electric Connection Service several years ago youre want hook up others Electric inclination area Let know sounds like what need Ill get information column Chances several other ones closer you think will find Remember takes few Hang tough Electric will major force within modeling Hmmm. know think already May column suggested using self adhering stair walkway nonslip rubber material prevent smooth items slipping sliding off auto floor carpet described using chargers transmitters Reader Brad Greenwood Atchison Kansas wrote tell prickly half double-stick Velcro also works well Thanks input Brad Reader Jack Mudrock New Carrollton Maryland using Magic Maker Vacuum Forming toy make model parts reminds similar long-gone Mattel product Jack got Toys-R-Us less $30 suggests can very useful lightweight canopies wheel pants air scoops etc Incidentally Jack old CL modeler 40s has just started first Electrics an Electra Electri-Cub Thanks Jack bring new Electrics KRC 94 Speaking Control Line several readers have sent some very impressive photos Electric ukies Ill share future column Yes know what column title Im anything promotes aeromodeling together think see some photos may just get some new ideas yourself Electric Industry news month rather upbeat Ill begin long conversation old friend Bob Boucher Astrothe man feel responsible Electric being know today fact suspect Bob chances would no such thing Electric US today say because Astro seeded area few humble products 73 over years innovated offered Electric products other US supplier once-nothing market grew over years has spawned now supports increasing number Electric product suppliers Bob has advanced brush system works used larger motors increasing brush cross-sectional area lengthening contact angle commutator modifications have combined effect reducing losses making brush-angle adjustments much easier Also hes opening up rear end bells allow better cooling Bob has further improved gear August1994 69 Blue Flame Blaster weighs 25 ounces complete HiLine Tiny Astro 217 speed control weighs less ounce motor See June RC Electrics column details compare size receiver connector shown drives going helical design reduces gear noise usually noisiest part Electric power increases durability additionand will welcome hes adding drives 60- 90-sized cobalts way large motors selling quite well making clear statement about maturity Electric Bobs newest speed control model 217 has become very popular due its small size low price asked introduced frame-rate product time everyone has gone efficient high-rate designs Staying true form Bob has convincing rationale Because certain parts were100unavailable Astro update 90 old relay-based on/off electronic switch part number804023 decided design 70 FET output instead relay As design evolved 60 Bob realized some % simple additions switch 50 would function well speed 40 control almost free Folks 30 thats called serendipity Bob also has lengthy 20 comparison conventional brushless motors space does 10 allow its inclusion Ill have 0 future As above GoldbergUltimate Cowl/Wheel Pants enough Bob will also enhancing charger line adding speed controls will getting ready attend 94 KRC meet wonder ever gets chance build Ive recently heard Tom Cimato Tom has professional background industrial brushless motors has recently established MaxCim Motors 57 Hawthorne Dr Orchard Park NY 14127-1958 will soon offering JOMAR MAXCELL SPEED CONTROL THREE PROGRAM EXAMPLES OF % MOTOR VOLTAGE VS PULSE WIDTH _ Siam U u 11 121314 1516 17 Pulse Width Milliseconds Wing Skinning Video some new brushless motors controllers aeromodeling applications fact write Tom readying Toledo exhibit Watch information future columns drop him line Unusual exciting news about merger sorts Brad Baylor Baylor Electric Products introduced BEP MicroPeaker two years ago some speed controls since has joined forces David Palombo Aveox merger talent companiesadds dramatically technical resources Aveox Ive spoken Brad David both very excited about several new products developing addition working fulltime Aveox Brad will independently continue Baylor Electric Products has some new goodies mill ____ too Ill have new mailing address BEP next month gain no loss Electric wish best involved ____ Adjusting speed controls proper operation can sometimes 18192be frustrating Just little explanation goes long way Goldberg Extra 300 Cowl/Wheel Pants Please send $400 catalog receive $400 credit first order August 1994 71 Desaflo II AR S Welgit 85-95 11a IExtra 300 Wing Span 68 Weight 6-7 lbs Wing Area 714 sq Engine 60 Fresh Aire II Wing Span 68 WelgIt 85-95 Wing Area 9X sq k-i Engine 120 Wing Span w Welgiw t-90 Wing Area 940 sq ki Englne 120 615 455-0735 dekyil 12ti Wing Span 72 Weight 8-9 lbs Wing Area 940 sq Engine 120 Th FAX 615 455-0677 215 lnrlitrial Blvd ahoma TN 37388 5000 different22000 3-view drawings color FOTOPAAKS including KOKUFAN Antiques Military Civilian Helicopters Sailpianes Catalog/Guide $600Overseas $1200 40 AAC --Ball Beanng Combo $14900 sith Engine 40 FSR MC-- Ball Bearing Combo $14500 PACIFIC AEROMODEL MFG INC 760 STIMSON AVE CITY OF INDUSTRY CA 91745 818 961-4016 3309510 800 2426724 ORDERS ONLY thought some readers might interested Since nasties some new microprocessorbased speed controls supposed eliminate will provide some insight new product area well Classic speed controls typically have either two adjustment screws set up proper operation conjunction radio purpose adjustments tune control full motor power range available stick maybe trim motion transmitter whichever prefer best controls using two adjustments set low high power voltage limits Sometimes adjustments labeled confusing terms like neutral range idea same make stick throw speed control range line up Lower-cost controls often have adjustment Usually singlescrew setting establishes start point motor relative throttle stick position controls would have preset control range assures proper operation almost transmitter What does mean transmitters created equal especially comes throttle-stick operation Unlike other channels transmitters use limited throttle stick mechanical electrical movement note servo motion resulting full aileron stick throw put same servo throttle channel servo rotation would probably noticeably less full throttle stick motion Further amount reduction varies manufacturer situation clearly affects speed control design operation single-screw speed control achieve full off full operational range radios must transmitters shortest smallest electrical throttle stick throw means same controls will achieve full off less full throttle stick throw other radios effect will make latter feel touchy Such penalty limited adjustability prefer speed controls go full off full just before stick limits both extremes other words like use whole stick perhaps oneclick safety margin end experience best attained two-screw speed controlstransmitter brand notwithstanding As might guess two screws difficult tune just because adjustments because usually interact adjustment set start position stick other full other stick limit start position would probably affected need reset iterative operation back-and-forth between-the-screws exercise pursued methodically will converge adjustments what want little care patience insight takes August 1990 column described helpful accessory use doing Basically its motor substitute uses meter achieve desired speed-control tune-up Im still getting reader mail expressing satisfaction might want dig up issue hope since know secrets behind speed control adjustment task wont cause much anguish Enter new breed microprocessorcontrolled controls Would believe have no adjustment 72 Model Aviation 4JL-3 10 TARF Wing Span 65 inches o 4 Channels WinR Area 725 sq inches a & Ply Wood Built Weight 55 Iba Hieh Quality Covering Engine 40 46 2C Alfllardware Included screws Thats right specific operational details vary product product latest electronic wonders automatically find own start point power up typical microprocessor control recognizes throttle stick ie beginning pulse width starts point Any advancement stick will advance motor power zero position Essentially controls automatically take care adjustment usually associated screw single-adjustment speed controls just like single-adjustment controls above some new microprocessor designs also have fixed range operation Once again means effectiveness transmitter stick past start point can vary radio brand particular aspect better older speed control designs very often newer controls may vary motor power smoothly rather small noticeable steps effect motor voltage staircased full off full Given above obvious fewer control steps less smooth application motor power since transmitter sticks have indent mechanisms can experience both small steps giant steps motor power responseas clicks stick mechanical indents combine randomly steps speed control response Im really comfortable flying kind feel throttle especially since transmitters has meager 12-step ratchet throttle sticka woefully wimpy number Most transmitters offer about 25-30 indents Some early microprocessor speed controls few 20 electronic steps transfer characteristic Im happy say manufacturers recognized problem early corrected other hand some microprocessor controls have rather high number discreet-power stepsso its hard count controls like smooth analog controls accustomed However does come free Im told increased resolution uses up some available computing power manufacturers prefer allocate other performance features like glitch rejection Its sort tradeoff Just some classic controls two adjustments set both high low ends operation some new microprocessor controls offer full control range programmability Jomar Maxcell example feature depicted accompanying graph three separate programs shown graph result setting up Maxcell go full off full using full stick throw less stick throw evenless-than-that stick throw done no screwsjust pushbutton speed control board course transmitter stick information Theres much going speed control arena As regular readers know Ive planning major speed control report column. somettme Now see its taking long Im beginning think Ill have little time over several columns another column closes Please include SASE correspondence youd like reply have happy safe quiet-power landings ETAL AluminumlBrass/Copper Tubing & Shapes Music Wire STools eSoldering Irons Silk Silk Span Finishing Materials SEND $100 FOR PRICE LIST AND CAIAI0 KAS Engineering 6917W 59th Street Chicago IL 6063631215868503 ~ PULL LINE METAL SPECIALISTS NEW CONCEPT IN A II N fl r N T RO THE MUFFLER ARISE SOLUTION IFullyadjustableexhaustflowfortop petformance no overheating ________ 3995 Onemodelfitsallenginesfrom 025 108 cufinS USF Lowers sound level 6tolodBat3mShipping us ______________________ HlOlLIdSd Easily installed Fits snugly See front half existing muffler dealer first Send checks money order to Phone Orders ARISE 2678 Lower Concessi514 Ormstown Oc Canada JOS ixo 3700077 WEVE GOT THE CURE. WHETHER YOURE TORN RIPPED SHREDDED FRAZZLED SMASHED CRUSHED CRACKED CHIPPED FRAC TURED SPLIT SNAPPED SHATTERED OR JUST LITFEL BIT STRESSED Sheldons epoxy products have long known strength flexibility reliability reasonable prices Whether chooae quick setting 5minute field repair just hurry extremely strong 30minute can confident using best price 5 MIN EPOXY Sez596 12 MIN EPOXy 8oz596 30 MIN EPOXY 8oz596 5 MIN EPOXY 9oz749 15 MIN EPOXY 9oz749 30 MIN EPOXY 9oz749 have marketing P051-CURE since 1 g84 have always best product avail able modeler absolute lowest possi ble price always assured finest adhesives available P051-CURE products specially formulated very best avalable raw materials use no second grade stock warehouse inventory stored refriger ated maintain very beat quality possible Lots imitators good P051-CURE modelers choice 2752 POSt-CURE THIN 2ez539 2753POSI-CURE GAP-FILLING 2oz.539 2754POSt-CURE THIN toz349 2755POSI-CURE GAP FILLING loz 349 2756INSTA-SET SPRAY 2oz349 2757tNSTA-SET REFILL tOoz796 2758UN-CURE DEBONDER Inz296 SHELDONS HOBBIES 2135 OLD OAKLAND ROAD SAN JOSE CA 95131 QUESTIONS CUSTOMER SERVICE ORDER DEPT 408 943-0872 FAX 408 943-0904800 822-1688 DEALER INQUIRES INVITED SHtPPtNGUPS Ground Continental USA $595 UPS 2nd DAY AIR & UPS NEXT DAY AIR available COD OK add $550 COD fee August1994 73 2762 2763 2764 2759 2760 2761
Edition: Model Aviation - 1994/08
Page Numbers: 69, 71, 72, 73
RADIO CONTROL ELECTRICS THIS MONTH Ill look range reader input some significant industry news nature speed control operational adjustments Whats rewarding about writing column reader input Its also rewarding readership rapidly expanding new names continually appear mail addition regulars New readership continues produce theme mailrepeat topics Ive seen come steadily over years theme difficulty best characterized Im one. folks first venture Electric area club latter often have especially tough first facing Electric ignorance local hobby shop Electric ignorance Electric rejection field situation really gets Ive modeler long time beginning free flight gas early 50s also flying HLG PAA-Load Nordic Indoor outdoor rubber CL Stunt CL Combat quarter-century wet RC recently course Electric RC think have pretty good feel aeromodeling frankly never experienced observed sort behavior described above. until Electric came along think its new phenomenon within modeling largely based ignorance severe example several readers have shared concerns club northeast say goes out its way discourage Electric under guise field rules restrictions assure know what its like though must acknowledge Ive much easier flightline some readers have described first Electric flight occurred 1972 start believed what doing continued struggle less-than-impressive E-power performance available 70s Soon two us three now club has relatively high percentage Electric fliers coexisting wet fact club members routinely fly both think pivot point lies second third person give try individual can demonstrate Electric success interest another two chances excellent continuing Electric growth immediate area club reader plight has theme since inception column 1983 introduced Electric Connection Service several years ago youre want hook up others Electric inclination area Let know sounds like what need Ill get information column Chances several other ones closer you think will find Remember takes few Hang tough Electric will major force within modeling Hmmm. know think already May column suggested using self adhering stair walkway nonslip rubber material prevent smooth items slipping sliding off auto floor carpet described using chargers transmitters Reader Brad Greenwood Atchison Kansas wrote tell prickly half double-stick Velcro also works well Thanks input Brad Reader Jack Mudrock New Carrollton Maryland using Magic Maker Vacuum Forming toy make model parts reminds similar long-gone Mattel product Jack got Toys-R-Us less $30 suggests can very useful lightweight canopies wheel pants air scoops etc Incidentally Jack old CL modeler 40s has just started first Electrics an Electra Electri-Cub Thanks Jack bring new Electrics KRC 94 Speaking Control Line several readers have sent some very impressive photos Electric ukies Ill share future column Yes know what column title Im anything promotes aeromodeling together think see some photos may just get some new ideas yourself Electric Industry news month rather upbeat Ill begin long conversation old friend Bob Boucher Astrothe man feel responsible Electric being know today fact suspect Bob chances would no such thing Electric US today say because Astro seeded area few humble products 73 over years innovated offered Electric products other US supplier once-nothing market grew over years has spawned now supports increasing number Electric product suppliers Bob has advanced brush system works used larger motors increasing brush cross-sectional area lengthening contact angle commutator modifications have combined effect reducing losses making brush-angle adjustments much easier Also hes opening up rear end bells allow better cooling Bob has further improved gear August1994 69 Blue Flame Blaster weighs 25 ounces complete HiLine Tiny Astro 217 speed control weighs less ounce motor See June RC Electrics column details compare size receiver connector shown drives going helical design reduces gear noise usually noisiest part Electric power increases durability additionand will welcome hes adding drives 60- 90-sized cobalts way large motors selling quite well making clear statement about maturity Electric Bobs newest speed control model 217 has become very popular due its small size low price asked introduced frame-rate product time everyone has gone efficient high-rate designs Staying true form Bob has convincing rationale Because certain parts were100unavailable Astro update 90 old relay-based on/off electronic switch part number804023 decided design 70 FET output instead relay As design evolved 60 Bob realized some % simple additions switch 50 would function well speed 40 control almost free Folks 30 thats called serendipity Bob also has lengthy 20 comparison conventional brushless motors space does 10 allow its inclusion Ill have 0 future As above GoldbergUltimate Cowl/Wheel Pants enough Bob will also enhancing charger line adding speed controls will getting ready attend 94 KRC meet wonder ever gets chance build Ive recently heard Tom Cimato Tom has professional background industrial brushless motors has recently established MaxCim Motors 57 Hawthorne Dr Orchard Park NY 14127-1958 will soon offering JOMAR MAXCELL SPEED CONTROL THREE PROGRAM EXAMPLES OF % MOTOR VOLTAGE VS PULSE WIDTH _ Siam U u 11 121314 1516 17 Pulse Width Milliseconds Wing Skinning Video some new brushless motors controllers aeromodeling applications fact write Tom readying Toledo exhibit Watch information future columns drop him line Unusual exciting news about merger sorts Brad Baylor Baylor Electric Products introduced BEP MicroPeaker two years ago some speed controls since has joined forces David Palombo Aveox merger talent companiesadds dramatically technical resources Aveox Ive spoken Brad David both very excited about several new products developing addition working fulltime Aveox Brad will independently continue Baylor Electric Products has some new goodies mill ____ too Ill have new mailing address BEP next month gain no loss Electric wish best involved ____ Adjusting speed controls proper operation can sometimes 18192be frustrating Just little explanation goes long way Goldberg Extra 300 Cowl/Wheel Pants Please send $400 catalog receive $400 credit first order August 1994 71 Desaflo II AR S Welgit 85-95 11a IExtra 300 Wing Span 68 Weight 6-7 lbs Wing Area 714 sq Engine 60 Fresh Aire II Wing Span 68 WelgIt 85-95 Wing Area 9X sq k-i Engine 120 Wing Span w Welgiw t-90 Wing Area 940 sq ki Englne 120 615 455-0735 dekyil 12ti Wing Span 72 Weight 8-9 lbs Wing Area 940 sq Engine 120 Th FAX 615 455-0677 215 lnrlitrial Blvd ahoma TN 37388 5000 different22000 3-view drawings color FOTOPAAKS including KOKUFAN Antiques Military Civilian Helicopters Sailpianes Catalog/Guide $600Overseas $1200 40 AAC --Ball Beanng Combo $14900 sith Engine 40 FSR MC-- Ball Bearing Combo $14500 PACIFIC AEROMODEL MFG INC 760 STIMSON AVE CITY OF INDUSTRY CA 91745 818 961-4016 3309510 800 2426724 ORDERS ONLY thought some readers might interested Since nasties some new microprocessorbased speed controls supposed eliminate will provide some insight new product area well Classic speed controls typically have either two adjustment screws set up proper operation conjunction radio purpose adjustments tune control full motor power range available stick maybe trim motion transmitter whichever prefer best controls using two adjustments set low high power voltage limits Sometimes adjustments labeled confusing terms like neutral range idea same make stick throw speed control range line up Lower-cost controls often have adjustment Usually singlescrew setting establishes start point motor relative throttle stick position controls would have preset control range assures proper operation almost transmitter What does mean transmitters created equal especially comes throttle-stick operation Unlike other channels transmitters use limited throttle stick mechanical electrical movement note servo motion resulting full aileron stick throw put same servo throttle channel servo rotation would probably noticeably less full throttle stick motion Further amount reduction varies manufacturer situation clearly affects speed control design operation single-screw speed control achieve full off full operational range radios must transmitters shortest smallest electrical throttle stick throw means same controls will achieve full off less full throttle stick throw other radios effect will make latter feel touchy Such penalty limited adjustability prefer speed controls go full off full just before stick limits both extremes other words like use whole stick perhaps oneclick safety margin end experience best attained two-screw speed controlstransmitter brand notwithstanding As might guess two screws difficult tune just because adjustments because usually interact adjustment set start position stick other full other stick limit start position would probably affected need reset iterative operation back-and-forth between-the-screws exercise pursued methodically will converge adjustments what want little care patience insight takes August 1990 column described helpful accessory use doing Basically its motor substitute uses meter achieve desired speed-control tune-up Im still getting reader mail expressing satisfaction might want dig up issue hope since know secrets behind speed control adjustment task wont cause much anguish Enter new breed microprocessorcontrolled controls Would believe have no adjustment 72 Model Aviation 4JL-3 10 TARF Wing Span 65 inches o 4 Channels WinR Area 725 sq inches a & Ply Wood Built Weight 55 Iba Hieh Quality Covering Engine 40 46 2C Alfllardware Included screws Thats right specific operational details vary product product latest electronic wonders automatically find own start point power up typical microprocessor control recognizes throttle stick ie beginning pulse width starts point Any advancement stick will advance motor power zero position Essentially controls automatically take care adjustment usually associated screw single-adjustment speed controls just like single-adjustment controls above some new microprocessor designs also have fixed range operation Once again means effectiveness transmitter stick past start point can vary radio brand particular aspect better older speed control designs very often newer controls may vary motor power smoothly rather small noticeable steps effect motor voltage staircased full off full Given above obvious fewer control steps less smooth application motor power since transmitter sticks have indent mechanisms can experience both small steps giant steps motor power responseas clicks stick mechanical indents combine randomly steps speed control response Im really comfortable flying kind feel throttle especially since transmitters has meager 12-step ratchet throttle sticka woefully wimpy number Most transmitters offer about 25-30 indents Some early microprocessor speed controls few 20 electronic steps transfer characteristic Im happy say manufacturers recognized problem early corrected other hand some microprocessor controls have rather high number discreet-power stepsso its hard count controls like smooth analog controls accustomed However does come free Im told increased resolution uses up some available computing power manufacturers prefer allocate other performance features like glitch rejection Its sort tradeoff Just some classic controls two adjustments set both high low ends operation some new microprocessor controls offer full control range programmability Jomar Maxcell example feature depicted accompanying graph three separate programs shown graph result setting up Maxcell go full off full using full stick throw less stick throw evenless-than-that stick throw done no screwsjust pushbutton speed control board course transmitter stick information Theres much going speed control arena As regular readers know Ive planning major speed control report column. somettme Now see its taking long Im beginning think Ill have little time over several columns another column closes Please include SASE correspondence youd like reply have happy safe quiet-power landings ETAL AluminumlBrass/Copper Tubing & Shapes Music Wire STools eSoldering Irons Silk Silk Span Finishing Materials SEND $100 FOR PRICE LIST AND CAIAI0 KAS Engineering 6917W 59th Street Chicago IL 6063631215868503 ~ PULL LINE METAL SPECIALISTS NEW CONCEPT IN A II N fl r N T RO THE MUFFLER ARISE SOLUTION IFullyadjustableexhaustflowfortop petformance no overheating ________ 3995 Onemodelfitsallenginesfrom 025 108 cufinS USF Lowers sound level 6tolodBat3mShipping us ______________________ HlOlLIdSd Easily installed Fits snugly See front half existing muffler dealer first Send checks money order to Phone Orders ARISE 2678 Lower Concessi514 Ormstown Oc Canada JOS ixo 3700077 WEVE GOT THE CURE. WHETHER YOURE TORN RIPPED SHREDDED FRAZZLED SMASHED CRUSHED CRACKED CHIPPED FRAC TURED SPLIT SNAPPED SHATTERED OR JUST LITFEL BIT STRESSED Sheldons epoxy products have long known strength flexibility reliability reasonable prices Whether chooae quick setting 5minute field repair just hurry extremely strong 30minute can confident using best price 5 MIN EPOXY Sez596 12 MIN EPOXy 8oz596 30 MIN EPOXY 8oz596 5 MIN EPOXY 9oz749 15 MIN EPOXY 9oz749 30 MIN EPOXY 9oz749 have marketing P051-CURE since 1 g84 have always best product avail able modeler absolute lowest possi ble price always assured finest adhesives available P051-CURE products specially formulated very best avalable raw materials use no second grade stock warehouse inventory stored refriger ated maintain very beat quality possible Lots imitators good P051-CURE modelers choice 2752 POSt-CURE THIN 2ez539 2753POSI-CURE GAP-FILLING 2oz.539 2754POSt-CURE THIN toz349 2755POSI-CURE GAP FILLING loz 349 2756INSTA-SET SPRAY 2oz349 2757tNSTA-SET REFILL tOoz796 2758UN-CURE DEBONDER Inz296 SHELDONS HOBBIES 2135 OLD OAKLAND ROAD SAN JOSE CA 95131 QUESTIONS CUSTOMER SERVICE ORDER DEPT 408 943-0872 FAX 408 943-0904800 822-1688 DEALER INQUIRES INVITED SHtPPtNGUPS Ground Continental USA $595 UPS 2nd DAY AIR & UPS NEXT DAY AIR available COD OK add $550 COD fee August1994 73 2762 2763 2764 2759 2760 2761
Edition: Model Aviation - 1994/08
Page Numbers: 69, 71, 72, 73
RADIO CONTROL ELECTRICS THIS MONTH Ill look range reader input some significant industry news nature speed control operational adjustments Whats rewarding about writing column reader input Its also rewarding readership rapidly expanding new names continually appear mail addition regulars New readership continues produce theme mailrepeat topics Ive seen come steadily over years theme difficulty best characterized Im one. folks first venture Electric area club latter often have especially tough first facing Electric ignorance local hobby shop Electric ignorance Electric rejection field situation really gets Ive modeler long time beginning free flight gas early 50s also flying HLG PAA-Load Nordic Indoor outdoor rubber CL Stunt CL Combat quarter-century wet RC recently course Electric RC think have pretty good feel aeromodeling frankly never experienced observed sort behavior described above. until Electric came along think its new phenomenon within modeling largely based ignorance severe example several readers have shared concerns club northeast say goes out its way discourage Electric under guise field rules restrictions assure know what its like though must acknowledge Ive much easier flightline some readers have described first Electric flight occurred 1972 start believed what doing continued struggle less-than-impressive E-power performance available 70s Soon two us three now club has relatively high percentage Electric fliers coexisting wet fact club members routinely fly both think pivot point lies second third person give try individual can demonstrate Electric success interest another two chances excellent continuing Electric growth immediate area club reader plight has theme since inception column 1983 introduced Electric Connection Service several years ago youre want hook up others Electric inclination area Let know sounds like what need Ill get information column Chances several other ones closer you think will find Remember takes few Hang tough Electric will major force within modeling Hmmm. know think already May column suggested using self adhering stair walkway nonslip rubber material prevent smooth items slipping sliding off auto floor carpet described using chargers transmitters Reader Brad Greenwood Atchison Kansas wrote tell prickly half double-stick Velcro also works well Thanks input Brad Reader Jack Mudrock New Carrollton Maryland using Magic Maker Vacuum Forming toy make model parts reminds similar long-gone Mattel product Jack got Toys-R-Us less $30 suggests can very useful lightweight canopies wheel pants air scoops etc Incidentally Jack old CL modeler 40s has just started first Electrics an Electra Electri-Cub Thanks Jack bring new Electrics KRC 94 Speaking Control Line several readers have sent some very impressive photos Electric ukies Ill share future column Yes know what column title Im anything promotes aeromodeling together think see some photos may just get some new ideas yourself Electric Industry news month rather upbeat Ill begin long conversation old friend Bob Boucher Astrothe man feel responsible Electric being know today fact suspect Bob chances would no such thing Electric US today say because Astro seeded area few humble products 73 over years innovated offered Electric products other US supplier once-nothing market grew over years has spawned now supports increasing number Electric product suppliers Bob has advanced brush system works used larger motors increasing brush cross-sectional area lengthening contact angle commutator modifications have combined effect reducing losses making brush-angle adjustments much easier Also hes opening up rear end bells allow better cooling Bob has further improved gear August1994 69 Blue Flame Blaster weighs 25 ounces complete HiLine Tiny Astro 217 speed control weighs less ounce motor See June RC Electrics column details compare size receiver connector shown drives going helical design reduces gear noise usually noisiest part Electric power increases durability additionand will welcome hes adding drives 60- 90-sized cobalts way large motors selling quite well making clear statement about maturity Electric Bobs newest speed control model 217 has become very popular due its small size low price asked introduced frame-rate product time everyone has gone efficient high-rate designs Staying true form Bob has convincing rationale Because certain parts were100unavailable Astro update 90 old relay-based on/off electronic switch part number804023 decided design 70 FET output instead relay As design evolved 60 Bob realized some % simple additions switch 50 would function well speed 40 control almost free Folks 30 thats called serendipity Bob also has lengthy 20 comparison conventional brushless motors space does 10 allow its inclusion Ill have 0 future As above GoldbergUltimate Cowl/Wheel Pants enough Bob will also enhancing charger line adding speed controls will getting ready attend 94 KRC meet wonder ever gets chance build Ive recently heard Tom Cimato Tom has professional background industrial brushless motors has recently established MaxCim Motors 57 Hawthorne Dr Orchard Park NY 14127-1958 will soon offering JOMAR MAXCELL SPEED CONTROL THREE PROGRAM EXAMPLES OF % MOTOR VOLTAGE VS PULSE WIDTH _ Siam U u 11 121314 1516 17 Pulse Width Milliseconds Wing Skinning Video some new brushless motors controllers aeromodeling applications fact write Tom readying Toledo exhibit Watch information future columns drop him line Unusual exciting news about merger sorts Brad Baylor Baylor Electric Products introduced BEP MicroPeaker two years ago some speed controls since has joined forces David Palombo Aveox merger talent companiesadds dramatically technical resources Aveox Ive spoken Brad David both very excited about several new products developing addition working fulltime Aveox Brad will independently continue Baylor Electric Products has some new goodies mill ____ too Ill have new mailing address BEP next month gain no loss Electric wish best involved ____ Adjusting speed controls proper operation can sometimes 18192be frustrating Just little explanation goes long way Goldberg Extra 300 Cowl/Wheel Pants Please send $400 catalog receive $400 credit first order August 1994 71 Desaflo II AR S Welgit 85-95 11a IExtra 300 Wing Span 68 Weight 6-7 lbs Wing Area 714 sq Engine 60 Fresh Aire II Wing Span 68 WelgIt 85-95 Wing Area 9X sq k-i Engine 120 Wing Span w Welgiw t-90 Wing Area 940 sq ki Englne 120 615 455-0735 dekyil 12ti Wing Span 72 Weight 8-9 lbs Wing Area 940 sq Engine 120 Th FAX 615 455-0677 215 lnrlitrial Blvd ahoma TN 37388 5000 different22000 3-view drawings color FOTOPAAKS including KOKUFAN Antiques Military Civilian Helicopters Sailpianes Catalog/Guide $600Overseas $1200 40 AAC --Ball Beanng Combo $14900 sith Engine 40 FSR MC-- Ball Bearing Combo $14500 PACIFIC AEROMODEL MFG INC 760 STIMSON AVE CITY OF INDUSTRY CA 91745 818 961-4016 3309510 800 2426724 ORDERS ONLY thought some readers might interested Since nasties some new microprocessorbased speed controls supposed eliminate will provide some insight new product area well Classic speed controls typically have either two adjustment screws set up proper operation conjunction radio purpose adjustments tune control full motor power range available stick maybe trim motion transmitter whichever prefer best controls using two adjustments set low high power voltage limits Sometimes adjustments labeled confusing terms like neutral range idea same make stick throw speed control range line up Lower-cost controls often have adjustment Usually singlescrew setting establishes start point motor relative throttle stick position controls would have preset control range assures proper operation almost transmitter What does mean transmitters created equal especially comes throttle-stick operation Unlike other channels transmitters use limited throttle stick mechanical electrical movement note servo motion resulting full aileron stick throw put same servo throttle channel servo rotation would probably noticeably less full throttle stick motion Further amount reduction varies manufacturer situation clearly affects speed control design operation single-screw speed control achieve full off full operational range radios must transmitters shortest smallest electrical throttle stick throw means same controls will achieve full off less full throttle stick throw other radios effect will make latter feel touchy Such penalty limited adjustability prefer speed controls go full off full just before stick limits both extremes other words like use whole stick perhaps oneclick safety margin end experience best attained two-screw speed controlstransmitter brand notwithstanding As might guess two screws difficult tune just because adjustments because usually interact adjustment set start position stick other full other stick limit start position would probably affected need reset iterative operation back-and-forth between-the-screws exercise pursued methodically will converge adjustments what want little care patience insight takes August 1990 column described helpful accessory use doing Basically its motor substitute uses meter achieve desired speed-control tune-up Im still getting reader mail expressing satisfaction might want dig up issue hope since know secrets behind speed control adjustment task wont cause much anguish Enter new breed microprocessorcontrolled controls Would believe have no adjustment 72 Model Aviation 4JL-3 10 TARF Wing Span 65 inches o 4 Channels WinR Area 725 sq inches a & Ply Wood Built Weight 55 Iba Hieh Quality Covering Engine 40 46 2C Alfllardware Included screws Thats right specific operational details vary product product latest electronic wonders automatically find own start point power up typical microprocessor control recognizes throttle stick ie beginning pulse width starts point Any advancement stick will advance motor power zero position Essentially controls automatically take care adjustment usually associated screw single-adjustment speed controls just like single-adjustment controls above some new microprocessor designs also have fixed range operation Once again means effectiveness transmitter stick past start point can vary radio brand particular aspect better older speed control designs very often newer controls may vary motor power smoothly rather small noticeable steps effect motor voltage staircased full off full Given above obvious fewer control steps less smooth application motor power since transmitter sticks have indent mechanisms can experience both small steps giant steps motor power responseas clicks stick mechanical indents combine randomly steps speed control response Im really comfortable flying kind feel throttle especially since transmitters has meager 12-step ratchet throttle sticka woefully wimpy number Most transmitters offer about 25-30 indents Some early microprocessor speed controls few 20 electronic steps transfer characteristic Im happy say manufacturers recognized problem early corrected other hand some microprocessor controls have rather high number discreet-power stepsso its hard count controls like smooth analog controls accustomed However does come free Im told increased resolution uses up some available computing power manufacturers prefer allocate other performance features like glitch rejection Its sort tradeoff Just some classic controls two adjustments set both high low ends operation some new microprocessor controls offer full control range programmability Jomar Maxcell example feature depicted accompanying graph three separate programs shown graph result setting up Maxcell go full off full using full stick throw less stick throw evenless-than-that stick throw done no screwsjust pushbutton speed control board course transmitter stick information Theres much going speed control arena As regular readers know Ive planning major speed control report column. somettme Now see its taking long Im beginning think Ill have little time over several columns another column closes Please include SASE correspondence youd like reply have happy safe quiet-power landings ETAL AluminumlBrass/Copper Tubing & Shapes Music Wire STools eSoldering Irons Silk Silk Span Finishing Materials SEND $100 FOR PRICE LIST AND CAIAI0 KAS Engineering 6917W 59th Street Chicago IL 6063631215868503 ~ PULL LINE METAL SPECIALISTS NEW CONCEPT IN A II N fl r N T RO THE MUFFLER ARISE SOLUTION IFullyadjustableexhaustflowfortop petformance no overheating ________ 3995 Onemodelfitsallenginesfrom 025 108 cufinS USF Lowers sound level 6tolodBat3mShipping us ______________________ HlOlLIdSd Easily installed Fits snugly See front half existing muffler dealer first Send checks money order to Phone Orders ARISE 2678 Lower Concessi514 Ormstown Oc Canada JOS ixo 3700077 WEVE GOT THE CURE. WHETHER YOURE TORN RIPPED SHREDDED FRAZZLED SMASHED CRUSHED CRACKED CHIPPED FRAC TURED SPLIT SNAPPED SHATTERED OR JUST LITFEL BIT STRESSED Sheldons epoxy products have long known strength flexibility reliability reasonable prices Whether chooae quick setting 5minute field repair just hurry extremely strong 30minute can confident using best price 5 MIN EPOXY Sez596 12 MIN EPOXy 8oz596 30 MIN EPOXY 8oz596 5 MIN EPOXY 9oz749 15 MIN EPOXY 9oz749 30 MIN EPOXY 9oz749 have marketing P051-CURE since 1 g84 have always best product avail able modeler absolute lowest possi ble price always assured finest adhesives available P051-CURE products specially formulated very best avalable raw materials use no second grade stock warehouse inventory stored refriger ated maintain very beat quality possible Lots imitators good P051-CURE modelers choice 2752 POSt-CURE THIN 2ez539 2753POSI-CURE GAP-FILLING 2oz.539 2754POSt-CURE THIN toz349 2755POSI-CURE GAP FILLING loz 349 2756INSTA-SET SPRAY 2oz349 2757tNSTA-SET REFILL tOoz796 2758UN-CURE DEBONDER Inz296 SHELDONS HOBBIES 2135 OLD OAKLAND ROAD SAN JOSE CA 95131 QUESTIONS CUSTOMER SERVICE ORDER DEPT 408 943-0872 FAX 408 943-0904800 822-1688 DEALER INQUIRES INVITED SHtPPtNGUPS Ground Continental USA $595 UPS 2nd DAY AIR & UPS NEXT DAY AIR available COD OK add $550 COD fee August1994 73 2762 2763 2764 2759 2760 2761
Edition: Model Aviation - 1994/08
Page Numbers: 69, 71, 72, 73
RADIO CONTROL ELECTRICS THIS MONTH Ill look range reader input some significant industry news nature speed control operational adjustments Whats rewarding about writing column reader input Its also rewarding readership rapidly expanding new names continually appear mail addition regulars New readership continues produce theme mailrepeat topics Ive seen come steadily over years theme difficulty best characterized Im one. folks first venture Electric area club latter often have especially tough first facing Electric ignorance local hobby shop Electric ignorance Electric rejection field situation really gets Ive modeler long time beginning free flight gas early 50s also flying HLG PAA-Load Nordic Indoor outdoor rubber CL Stunt CL Combat quarter-century wet RC recently course Electric RC think have pretty good feel aeromodeling frankly never experienced observed sort behavior described above. until Electric came along think its new phenomenon within modeling largely based ignorance severe example several readers have shared concerns club northeast say goes out its way discourage Electric under guise field rules restrictions assure know what its like though must acknowledge Ive much easier flightline some readers have described first Electric flight occurred 1972 start believed what doing continued struggle less-than-impressive E-power performance available 70s Soon two us three now club has relatively high percentage Electric fliers coexisting wet fact club members routinely fly both think pivot point lies second third person give try individual can demonstrate Electric success interest another two chances excellent continuing Electric growth immediate area club reader plight has theme since inception column 1983 introduced Electric Connection Service several years ago youre want hook up others Electric inclination area Let know sounds like what need Ill get information column Chances several other ones closer you think will find Remember takes few Hang tough Electric will major force within modeling Hmmm. know think already May column suggested using self adhering stair walkway nonslip rubber material prevent smooth items slipping sliding off auto floor carpet described using chargers transmitters Reader Brad Greenwood Atchison Kansas wrote tell prickly half double-stick Velcro also works well Thanks input Brad Reader Jack Mudrock New Carrollton Maryland using Magic Maker Vacuum Forming toy make model parts reminds similar long-gone Mattel product Jack got Toys-R-Us less $30 suggests can very useful lightweight canopies wheel pants air scoops etc Incidentally Jack old CL modeler 40s has just started first Electrics an Electra Electri-Cub Thanks Jack bring new Electrics KRC 94 Speaking Control Line several readers have sent some very impressive photos Electric ukies Ill share future column Yes know what column title Im anything promotes aeromodeling together think see some photos may just get some new ideas yourself Electric Industry news month rather upbeat Ill begin long conversation old friend Bob Boucher Astrothe man feel responsible Electric being know today fact suspect Bob chances would no such thing Electric US today say because Astro seeded area few humble products 73 over years innovated offered Electric products other US supplier once-nothing market grew over years has spawned now supports increasing number Electric product suppliers Bob has advanced brush system works used larger motors increasing brush cross-sectional area lengthening contact angle commutator modifications have combined effect reducing losses making brush-angle adjustments much easier Also hes opening up rear end bells allow better cooling Bob has further improved gear August1994 69 Blue Flame Blaster weighs 25 ounces complete HiLine Tiny Astro 217 speed control weighs less ounce motor See June RC Electrics column details compare size receiver connector shown drives going helical design reduces gear noise usually noisiest part Electric power increases durability additionand will welcome hes adding drives 60- 90-sized cobalts way large motors selling quite well making clear statement about maturity Electric Bobs newest speed control model 217 has become very popular due its small size low price asked introduced frame-rate product time everyone has gone efficient high-rate designs Staying true form Bob has convincing rationale Because certain parts were100unavailable Astro update 90 old relay-based on/off electronic switch part number804023 decided design 70 FET output instead relay As design evolved 60 Bob realized some % simple additions switch 50 would function well speed 40 control almost free Folks 30 thats called serendipity Bob also has lengthy 20 comparison conventional brushless motors space does 10 allow its inclusion Ill have 0 future As above GoldbergUltimate Cowl/Wheel Pants enough Bob will also enhancing charger line adding speed controls will getting ready attend 94 KRC meet wonder ever gets chance build Ive recently heard Tom Cimato Tom has professional background industrial brushless motors has recently established MaxCim Motors 57 Hawthorne Dr Orchard Park NY 14127-1958 will soon offering JOMAR MAXCELL SPEED CONTROL THREE PROGRAM EXAMPLES OF % MOTOR VOLTAGE VS PULSE WIDTH _ Siam U u 11 121314 1516 17 Pulse Width Milliseconds Wing Skinning Video some new brushless motors controllers aeromodeling applications fact write Tom readying Toledo exhibit Watch information future columns drop him line Unusual exciting news about merger sorts Brad Baylor Baylor Electric Products introduced BEP MicroPeaker two years ago some speed controls since has joined forces David Palombo Aveox merger talent companiesadds dramatically technical resources Aveox Ive spoken Brad David both very excited about several new products developing addition working fulltime Aveox Brad will independently continue Baylor Electric Products has some new goodies mill ____ too Ill have new mailing address BEP next month gain no loss Electric wish best involved ____ Adjusting speed controls proper operation can sometimes 18192be frustrating Just little explanation goes long way Goldberg Extra 300 Cowl/Wheel Pants Please send $400 catalog receive $400 credit first order August 1994 71 Desaflo II AR S Welgit 85-95 11a IExtra 300 Wing Span 68 Weight 6-7 lbs Wing Area 714 sq Engine 60 Fresh Aire II Wing Span 68 WelgIt 85-95 Wing Area 9X sq k-i Engine 120 Wing Span w Welgiw t-90 Wing Area 940 sq ki Englne 120 615 455-0735 dekyil 12ti Wing Span 72 Weight 8-9 lbs Wing Area 940 sq Engine 120 Th FAX 615 455-0677 215 lnrlitrial Blvd ahoma TN 37388 5000 different22000 3-view drawings color FOTOPAAKS including KOKUFAN Antiques Military Civilian Helicopters Sailpianes Catalog/Guide $600Overseas $1200 40 AAC --Ball Beanng Combo $14900 sith Engine 40 FSR MC-- Ball Bearing Combo $14500 PACIFIC AEROMODEL MFG INC 760 STIMSON AVE CITY OF INDUSTRY CA 91745 818 961-4016 3309510 800 2426724 ORDERS ONLY thought some readers might interested Since nasties some new microprocessorbased speed controls supposed eliminate will provide some insight new product area well Classic speed controls typically have either two adjustment screws set up proper operation conjunction radio purpose adjustments tune control full motor power range available stick maybe trim motion transmitter whichever prefer best controls using two adjustments set low high power voltage limits Sometimes adjustments labeled confusing terms like neutral range idea same make stick throw speed control range line up Lower-cost controls often have adjustment Usually singlescrew setting establishes start point motor relative throttle stick position controls would have preset control range assures proper operation almost transmitter What does mean transmitters created equal especially comes throttle-stick operation Unlike other channels transmitters use limited throttle stick mechanical electrical movement note servo motion resulting full aileron stick throw put same servo throttle channel servo rotation would probably noticeably less full throttle stick motion Further amount reduction varies manufacturer situation clearly affects speed control design operation single-screw speed control achieve full off full operational range radios must transmitters shortest smallest electrical throttle stick throw means same controls will achieve full off less full throttle stick throw other radios effect will make latter feel touchy Such penalty limited adjustability prefer speed controls go full off full just before stick limits both extremes other words like use whole stick perhaps oneclick safety margin end experience best attained two-screw speed controlstransmitter brand notwithstanding As might guess two screws difficult tune just because adjustments because usually interact adjustment set start position stick other full other stick limit start position would probably affected need reset iterative operation back-and-forth between-the-screws exercise pursued methodically will converge adjustments what want little care patience insight takes August 1990 column described helpful accessory use doing Basically its motor substitute uses meter achieve desired speed-control tune-up Im still getting reader mail expressing satisfaction might want dig up issue hope since know secrets behind speed control adjustment task wont cause much anguish Enter new breed microprocessorcontrolled controls Would believe have no adjustment 72 Model Aviation 4JL-3 10 TARF Wing Span 65 inches o 4 Channels WinR Area 725 sq inches a & Ply Wood Built Weight 55 Iba Hieh Quality Covering Engine 40 46 2C Alfllardware Included screws Thats right specific operational details vary product product latest electronic wonders automatically find own start point power up typical microprocessor control recognizes throttle stick ie beginning pulse width starts point Any advancement stick will advance motor power zero position Essentially controls automatically take care adjustment usually associated screw single-adjustment speed controls just like single-adjustment controls above some new microprocessor designs also have fixed range operation Once again means effectiveness transmitter stick past start point can vary radio brand particular aspect better older speed control designs very often newer controls may vary motor power smoothly rather small noticeable steps effect motor voltage staircased full off full Given above obvious fewer control steps less smooth application motor power since transmitter sticks have indent mechanisms can experience both small steps giant steps motor power responseas clicks stick mechanical indents combine randomly steps speed control response Im really comfortable flying kind feel throttle especially since transmitters has meager 12-step ratchet throttle sticka woefully wimpy number Most transmitters offer about 25-30 indents Some early microprocessor speed controls few 20 electronic steps transfer characteristic Im happy say manufacturers recognized problem early corrected other hand some microprocessor controls have rather high number discreet-power stepsso its hard count controls like smooth analog controls accustomed However does come free Im told increased resolution uses up some available computing power manufacturers prefer allocate other performance features like glitch rejection Its sort tradeoff Just some classic controls two adjustments set both high low ends operation some new microprocessor controls offer full control range programmability Jomar Maxcell example feature depicted accompanying graph three separate programs shown graph result setting up Maxcell go full off full using full stick throw less stick throw evenless-than-that stick throw done no screwsjust pushbutton speed control board course transmitter stick information Theres much going speed control arena As regular readers know Ive planning major speed control report column. somettme Now see its taking long Im beginning think Ill have little time over several columns another column closes Please include SASE correspondence youd like reply have happy safe quiet-power landings ETAL AluminumlBrass/Copper Tubing & Shapes Music Wire STools eSoldering Irons Silk Silk Span Finishing Materials SEND $100 FOR PRICE LIST AND CAIAI0 KAS Engineering 6917W 59th Street Chicago IL 6063631215868503 ~ PULL LINE METAL SPECIALISTS NEW CONCEPT IN A II N fl r N T RO THE MUFFLER ARISE SOLUTION IFullyadjustableexhaustflowfortop petformance no overheating ________ 3995 Onemodelfitsallenginesfrom 025 108 cufinS USF Lowers sound level 6tolodBat3mShipping us ______________________ HlOlLIdSd Easily installed Fits snugly See front half existing muffler dealer first Send checks money order to Phone Orders ARISE 2678 Lower Concessi514 Ormstown Oc Canada JOS ixo 3700077 WEVE GOT THE CURE. WHETHER YOURE TORN RIPPED SHREDDED FRAZZLED SMASHED CRUSHED CRACKED CHIPPED FRAC TURED SPLIT SNAPPED SHATTERED OR JUST LITFEL BIT STRESSED Sheldons epoxy products have long known strength flexibility reliability reasonable prices Whether chooae quick setting 5minute field repair just hurry extremely strong 30minute can confident using best price 5 MIN EPOXY Sez596 12 MIN EPOXy 8oz596 30 MIN EPOXY 8oz596 5 MIN EPOXY 9oz749 15 MIN EPOXY 9oz749 30 MIN EPOXY 9oz749 have marketing P051-CURE since 1 g84 have always best product avail able modeler absolute lowest possi ble price always assured finest adhesives available P051-CURE products specially formulated very best avalable raw materials use no second grade stock warehouse inventory stored refriger ated maintain very beat quality possible Lots imitators good P051-CURE modelers choice 2752 POSt-CURE THIN 2ez539 2753POSI-CURE GAP-FILLING 2oz.539 2754POSt-CURE THIN toz349 2755POSI-CURE GAP FILLING loz 349 2756INSTA-SET SPRAY 2oz349 2757tNSTA-SET REFILL tOoz796 2758UN-CURE DEBONDER Inz296 SHELDONS HOBBIES 2135 OLD OAKLAND ROAD SAN JOSE CA 95131 QUESTIONS CUSTOMER SERVICE ORDER DEPT 408 943-0872 FAX 408 943-0904800 822-1688 DEALER INQUIRES INVITED SHtPPtNGUPS Ground Continental USA $595 UPS 2nd DAY AIR & UPS NEXT DAY AIR available COD OK add $550 COD fee August1994 73 2762 2763 2764 2759 2760 2761