Radio Control: Electrics

RADIO CONTROL ELECTRICS THIS COLUMN INCLUDES Electric Connection Service meet announcement new Electric book motor mount improvement charge connectors arming switches followup speed control chokes Ken Cashion sent unusual letter describing new purpose within Electric aeromodeling Electric flying specific purpose particular has become very caught-up accomplishing specific tasks including timed tasks spot landings etcmuch like League Silent Flight Soaring folks have doing over years Such part idea behind League Electric Soaring LES Ken would like share information anyone interested Send three first-class stamps Ken 157 Tennyson Cove Picayune MS 39446 Tel 601 798-5807 suspect concept will find wide appeal attend annual KRC meet show inclination ideas have also found lasting appeal pure soaring persuasion way view LES version soaring winch different kind Tom Anderson 4448 Springdale St NW Washington DC 20016 found earlier Electric Connection Service idea much liking wrote join particular Tom would like use Net communicate other E-modelers address Tom_Anderson @randorg David Alexander 2905 Pebble Ln Lawrence KS 66047 Gordon Tarling England have teamed up alternately present E-mail Electric column sorts column part magazine entitled RIC Online being run Randy Julie Mullins Ive just received sample disk version David have yet loaded viewing info RIC Online rconline@gatenet Davids address dalexander@ alivebioukansedu Ron Torrito man really started Internet listing idea column September 1995 said within days issue hitting streets got 50 E-mail messages Now know have least 50-some readers Anyway does appear ECS concept can very helpful variety ways feel free let help An Electric Meet has announced Las Vegas Radio Control Club LVRC weekend February 24-25 Las Vegas Third Annual Electric Radio Control Fly-In will held Sam Boyd Stadiumsite Tournament Champions Fred Reese 2500 Teddy Drive #2 Las Vegas NV 89102 tells LVRCs goal make largest Electric fly-in West Get details Fred 702 876-4718 or Dick Corby 702 870-9522 get number requests Electric book recommendations few E-power texts have appeared over last 20 years so Ive frequently referenced Just month ago new Electric book released well-known aeromodeling writer Bob Aberle Most folks know Bob Flying Models prolific Technical Editor Bob has long modeling career recently has switched ElectricIm personally gratified case years just get him come-and-see Electric KRC Finally did now regular start Bob became intensely E-interested built kinds Electrics recently formed Modelair-Tech Tom March 1996 91 Laryi ana urew uoeae noia rienny Bates Cedar Rapids IA Sig Riser 100 E-conversion Astro 15 G 14 1400s Vincent Burtons 1938 Scientific Eaglet has AP 29 motor Graupner gears seven 800s 34 ounces fake wet engine Vickers-Armstrong Wellington bomber Joe Alemanni Jamestown NC Twin 15G cobalt motors 10 cells ow0 -u 3 LI 0a ILL 2i S3 0 w I-s hi C, -I oa0000 mm @2 r3-t3- 3 rn @2 0 i ,j a 0 XXXXX a-I 0 X 01 i aa n~3 OX S X 019 XXX XXX a1 saar saOa La ]a ass SSaa a a0a a-ao 5a 000 3 aOO 000 Isl ImI aaaSI 3a -5 3Sa aaaa aa Ia Ia aa 0a-~ W -Ce-Ce- XXX <XXXXXX XXXXXXXX XXXXXXXXXX XXX Saaaaaaaaaaaaaa@2 Sa caaa Osaiaaaaa aa aOJaa Oaaaaa j*aa0aa aaaaa m aa -- -S -. a-Ja0S S aa a S-ae-eXX ~a-aa k~C3 Oa..1 asa I7 p aoaaaa-r aam ei!V~ 8aa -JO b~ij aa@2m -- --JSaSaa- aaa aaa aaa aao50a aa aaato XXXXX s3a XXX XXXXXXXXX - i a-aa-a--a--- FK000 a2 0S Saa S m- -0 -2 2 0 D S a m I w ii 0 -a C 9 m 0 aaa a- 0000 aaa &aaaa aaaaa aSaa aaSaa aa S aa aOaO 00 aSJ 0aa XXXX XXXX aaaa XXXX XXXX XXX XXX aaaa XXXX sa-- s a-- XX aSa- aa a- 0aa Sa- I C 0 0 0 lip II am ma 0 c0 0 0 00 0 Co 00 00 0 0 0 0 C0 0 0 0 0 o00-o0X3 0- 0X0 0 0~00 0-0 o2o 00 0 O~ -8 ~ 2 0 8 2 0 0 0 c 00 o - 0 0-00-3TQ 0020000 -0-rTl 0000 00~ 0 CjO Ao 0 0 - 0 0 0- 0 0 000-0 0-0 trl 000 0 0--- 0-10- 00 0-o0-0-ooo0o1o j 0 002~ 00 0 0 0 0-0 0100 ~ 0-0~-0-t000~ o~0-00 0 0 ~0 X 0 0 0 0 0 0 00 00 0 -0 @2 0 0 0 0 0 0 0 0W 00 0 0 0 00 oO 0 Os O2 0 00 I0 -Cj2 00 CE 0 0 0 0 0 Menton Road N Attleborough MA 02760 Tel 508 761-5414 price $1295 hipping Dealer inquiries welcome time read book should available through several familiar E-modeling suppliers July 1994 column presented photo discussion use non-slip prop drive made drywall sandpaper Drywall sandpaper looks bit like window-screen material its gritty both sides opencoat sandpapers Ive ever seen view double-sided sandpaper hardware store should have several grits washer cut material placed between prop hub motor drive washer results truly non-slip interface prop nut tightened also use washers between spinner backplates motor drive washer well between prop hub spinner back plate really shows its value large gear drive systems turning big props such systems alternating startup torque braking load can easily work prop nut loose allow loss prop assembly once not-uncommon occurrence has happened since began using washers recently Ive found another use drywall sandpaper photo shows modified V-block motor mount frequently use Historically Ive used some 1/16 single-sided foam tape V parts mount allow nesting motor provide some friction motor/mount interface motors strapped down using inner golden rod technique newer brass-strapand-draw-screw technique see column April September 1993 V-block pictured has drywall sandpaper place foam tape ordinary motor mount V-blocks no matter tightly motor clamped large gear drive systems big props develop much startup torque motor will always slip its rotational orientationeven foam tape cushion slip may show up until after several startups and/or braking shutdowns always happens drywall sandpaper place Ive found gluing piece fine drywall sandpaper V-block installing motor above results really solid grip motor can carried step farther brass straps/draw screws idea now prefer affords opportunity put bite motor Just glue some additional narrow strips sandpaper underside draw straps tightened combination grip motor underside bite clamp straps March 1995 93 above really captures holds motor no matter torque load least far fair two drawbacks motor mount sandpaper idea First its necessary make good fit between V-block/sandpaper size shape size shape chosen motor previously relied foam tape accommodate some minor slop interface dimensioning new approach allows no such give Second paper will produce some motor housing marks scratches really being clamped tight compression Whatever youre having trouble keeping motor position props spinners tight give drywall sandpaper try Its cheap easy chances excellent will solve problems too Just sure use old tools cut sanding material shape can easily damage cutting edges good tools Charging connectors individual choices must made E-modeler several options some modelers have choice use depending individual model power system installation Nearly airplanes chargers outfitted charge jack/plug combination introduced Astro products long ago photo shows two connector parts plugs jacks manufactured Switchcraftan American connector company supplies large variety power audio other connectors highquality parts Ive made thousands charge connections over years no connector failures little needed maintenance mostly just cleaning Astro used supplied parts until about three years ago changed own Electric system connector design Astro Zero Loss connectors Since convenient modeling source supply THE SNITCH SNITCH will aid trouble shooting glitch problems microcontroller counts records gitiches missed signal frames during flight tor playback later ground counting out audible tones Great trouble shoot ing noisy ignition system glitches try lug out different equipment contigura tions Also reams interference frequency reminds tom nit receiver flight coo cicy rearer nays oIsnr Lire Snitch valuable elec tronic uccessodes come along recentlyt Electronics Coiner Model Budder September 55 Size 132 0 1320 64 weight itit ounce Price $3995 ULTIMATE BATTERY BACKER BEST way insure reliable power model Use two baSery packs two switch hareesses Runs MAIN pack till drops out switches BACK-UP pack Works standard 4 cell 5 cell GEL-CELL packs Battery pucks can different capacity like 1255 600 Solid state design uses MOSFET trsvsistoro Used esteosively professional RPVs add own switch hamesnes ann wiring 15 o 150 75 weight 6 ounce connectora $4995 NEW NOw available wired coonectom $5995 6 CHANNEL GLITCH BUSTER OPTICALLY ISO LATE chavoels use o separate bagery pack nemo oowerl ---tao giant scale anpiuves nd glidero con estra power speedl Reqnvnu votallatior ron own radio seron leads Compatible PCM radionl Used Reno Racers NASA tool 16 o 15 0 3/4 weight 6 ounce $4495 NEWl Now available wired connectom $7995 GEAR DOOR CYCLER Evustly what need split retract door sequencing like P-St Mustang other airoraft including jetnl Install Y covoec retract channel Controls gear door semos Euch time retract switch operated up down gear doom open wait few seconds close againl Delay time adja . 3/4 -weight 1/2 ounce $3995 Now available wiren wits con nectom 94495 ElectronIc Model SystemS$390 22605 La Palms Ace ste 519ShIpping & Handling Per Order Vorha Linda CA 92997CredIt Cards Accepted- American Enpresa 714-692-1393 1sf Only.DIscover Mastercard & Visa 900-945-9979 Orders Onip March 1996 95 THE LAIRD SUPER SOLUTION IS THE NEWEST IN WILLIAMS BROS COLLECTION OF THE FAMOUS GOLDEN U ERA RACERS THAT INCLUDE THE GEE BEE Z GEE BEE RI-R2 HALLS BULLDOG RACER AND WEDELL WILLIAMS RACER THE CAUDRON RACER AND THE SCHOENFELDT FIRECRACKER HIGHLY DETAILED WITH COMPLETE INSTRUCTIONS DECALS CHOICE OF HARD OR SOFT TIRES SEND SASE FOR ILLUSTRATED ORDER FORM OR $800 FOR COLOR CATALOG PAWE VNARCOSCA 921MB jslNc~ j -9 A-b Wa rt hog Wing Span48 inLength37 Wint Area . 510 sq inWeight4-1/2 lbs F-15 Eagle Wing Span44 inLength38 Wing Area . 510 sq Weight /4 lbs new Combat Fighter Series LDM Industries has brought R/C Combat Jet Age Stand-off Scale jet fighters feature complete hardware package foam core wings balsa tail surfaces tough extruded PVC fuselage pre-cut parts models can built nuady cover 8 10 hours four models require 40 46 size engine 4 channel radio Since kits designed R/C Combat include landing gear However detailed instructions included show add landing gear plane makes excellent sport models So part exciting world R/C Combat order Combat Fighter Series kit today Kit#4010A-bWarthog Kit#4015F-15Eagle Kit#4016F-16Falcon Kit#4018F-18Hornet order Combat Fighter kit send check money order $3995 S&H $4495 total per kit may call fax us LDM Industries Inc PO Box 292396 Dept Tampa FL 33687-2396 Phone 813 9914277 Fax 813 9914810 Florida Residents add 6% Sales Tax VISA & MASTER CARD Accepted Call about 6-pack Club Discount Program Exciting New Video Switchcraft parts dried up Ive received letters seeking alternate source information Ive also received letters inquiring about suitable arming switches Electric installations Radio Shack parts particular strongly discourage using current versions miniature toggle switches Radio Shack arming function directly contrary recommendations made column past early 1991 sometime since RS has apparently changed suppliers switches past routinely used catalog #275-1546 double-pole doublethrow toggle switch However unlike earlier product newer RS switches routinely fail arming application As helpful distinction earlier switches brown plastic housing recent ones blue Digi-Key 701 Brooks Ave South Box 677 Thief River Falls MN 567010677 electronics parts house carries Switchcraft product line can supply plugs jacks discussed above jack female part catalog number SC 1048-ND plug male part 5C1051-ND small-quantity price less $3 plus shipping/handling also carry quality C&K switch product line use G catalog number CKN 1035-ND DPDT arming switches small toggle switch has failed last 1 Y2 years use Small-quantity price less $6 well worth As company Digi-Key folks absolutely super deal rare find out stock very graciouseven small orders phone call 800 344-4539 will let place credit-card order can also request copy catalog has zillions other electronics parts goodies offer normally order 10 connectors switches takes care some friends needs year two time larger order also exceeds $25 minimumbelow $5 service charge Some detailed photos illustrating use particular connectors DPDT arming switch wiring appeared March April 1991 columns Note few errors snuck some sketches later caught corrected subsequent columns Since readers have inquired Ill show updated detailed how-to wiring information parts near future April 1995 column detailed assembly use chokes leads motor speed controls cure help cure radio noise speed controls other parts power system chokes idea useful speed controls optically coupled and/or microprocessor-based designs Since column appeared Ive heard several readers about successes approach Ive heard did have success limited context Im tempted say chokes idea never fails course know better example entirely possible have radiated-noise problems opposed conducted-noise problems chokes will no good other hand such high reported success rate youve got radio noise problems Electric let suggest dig up issue see its done give chokes idea try cost hut pennies ACE R/C speed control manufacturer Jomarnow EMS impressed simple effective addition Mini-Max control now has chokes designed So ends another columnone right middle Winter Remember Electric very flyable wintertimeso dont hesitate enjoy clean quiet Please enclose SASE correspondence youd like reply R LOWDELIVERY PRICESALWAYS MINIATURE BEARINGS FOR HOBBY & INDUSTRY 3 Complete Product Lines ForPremium UltraSeal frictionless sealed maintenance-fret bearingsWe Have R/C CarsEconoPower bearings engineered strength & durabilitythe Large St Trucks High-Speed high-beat engine bearingsInventory Boats. Standard US Metric sizesand PlanesAsk us about MIDAS TOUCH Other Fine ProductsWidest & SendSelection Helicopters $300 Catalogs IN STOCK Dealer Programs Available BOCA BEARING Co 704t W Palmetto Park Rd Suite 2304 Ml Boca Raton FL 33433 Tel 4i7-99t-ttt4 407-99t-tlli WUSA CANADA CALL TOLL FREE 800-332-3256 CANADA USA 96 Model Aviation

RADIO CONTROL ELECTRICS THIS COLUMN INCLUDES Electric Connection Service meet announcement new Electric book motor mount improvement charge connectors arming switches followup speed control chokes Ken Cashion sent unusual letter describing new purpose within Electric aeromodeling Electric flying specific purpose particular has become very caught-up accomplishing specific tasks including timed tasks spot landings etcmuch like League Silent Flight Soaring folks have doing over years Such part idea behind League Electric Soaring LES Ken would like share information anyone interested Send three first-class stamps Ken 157 Tennyson Cove Picayune MS 39446 Tel 601 798-5807 suspect concept will find wide appeal attend annual KRC meet show inclination ideas have also found lasting appeal pure soaring persuasion way view LES version soaring winch different kind Tom Anderson 4448 Springdale St NW Washington DC 20016 found earlier Electric Connection Service idea much liking wrote join particular Tom would like use Net communicate other E-modelers address Tom_Anderson @randorg David Alexander 2905 Pebble Ln Lawrence KS 66047 Gordon Tarling England have teamed up alternately present E-mail Electric column sorts column part magazine entitled RIC Online being run Randy Julie Mullins Ive just received sample disk version David have yet loaded viewing info RIC Online rconline@gatenet Davids address dalexander@ alivebioukansedu Ron Torrito man really started Internet listing idea column September 1995 said within days issue hitting streets got 50 E-mail messages Now know have least 50-some readers Anyway does appear ECS concept can very helpful variety ways feel free let help An Electric Meet has announced Las Vegas Radio Control Club LVRC weekend February 24-25 Las Vegas Third Annual Electric Radio Control Fly-In will held Sam Boyd Stadiumsite Tournament Champions Fred Reese 2500 Teddy Drive #2 Las Vegas NV 89102 tells LVRCs goal make largest Electric fly-in West Get details Fred 702 876-4718 or Dick Corby 702 870-9522 get number requests Electric book recommendations few E-power texts have appeared over last 20 years so Ive frequently referenced Just month ago new Electric book released well-known aeromodeling writer Bob Aberle Most folks know Bob Flying Models prolific Technical Editor Bob has long modeling career recently has switched ElectricIm personally gratified case years just get him come-and-see Electric KRC Finally did now regular start Bob became intensely E-interested built kinds Electrics recently formed Modelair-Tech Tom March 1996 91 Laryi ana urew uoeae noia rienny Bates Cedar Rapids IA Sig Riser 100 E-conversion Astro 15 G 14 1400s Vincent Burtons 1938 Scientific Eaglet has AP 29 motor Graupner gears seven 800s 34 ounces fake wet engine Vickers-Armstrong Wellington bomber Joe Alemanni Jamestown NC Twin 15G cobalt motors 10 cells ow0 -u 3 LI 0a ILL 2i S3 0 w I-s hi C, -I oa0000 mm @2 r3-t3- 3 rn @2 0 i ,j a 0 XXXXX a-I 0 X 01 i aa n~3 OX S X 019 XXX XXX a1 saar saOa La ]a ass SSaa a a0a a-ao 5a 000 3 aOO 000 Isl ImI aaaSI 3a -5 3Sa aaaa aa Ia Ia aa 0a-~ W -Ce-Ce- XXX <XXXXXX XXXXXXXX XXXXXXXXXX XXX Saaaaaaaaaaaaaa@2 Sa caaa Osaiaaaaa aa aOJaa Oaaaaa j*aa0aa aaaaa m aa -- -S -. a-Ja0S S aa a S-ae-eXX ~a-aa k~C3 Oa..1 asa I7 p aoaaaa-r aam ei!V~ 8aa -JO b~ij aa@2m -- --JSaSaa- aaa aaa aaa aao50a aa aaato XXXXX s3a XXX XXXXXXXXX - i a-aa-a--a--- FK000 a2 0S Saa S m- -0 -2 2 0 D S a m I w ii 0 -a C 9 m 0 aaa a- 0000 aaa &aaaa aaaaa aSaa aaSaa aa S aa aOaO 00 aSJ 0aa XXXX XXXX aaaa XXXX XXXX XXX XXX aaaa XXXX sa-- s a-- XX aSa- aa a- 0aa Sa- I C 0 0 0 lip II am ma 0 c0 0 0 00 0 Co 00 00 0 0 0 0 C0 0 0 0 0 o00-o0X3 0- 0X0 0 0~00 0-0 o2o 00 0 O~ -8 ~ 2 0 8 2 0 0 0 c 00 o - 0 0-00-3TQ 0020000 -0-rTl 0000 00~ 0 CjO Ao 0 0 - 0 0 0- 0 0 000-0 0-0 trl 000 0 0--- 0-10- 00 0-o0-0-ooo0o1o j 0 002~ 00 0 0 0 0-0 0100 ~ 0-0~-0-t000~ o~0-00 0 0 ~0 X 0 0 0 0 0 0 00 00 0 -0 @2 0 0 0 0 0 0 0 0W 00 0 0 0 00 oO 0 Os O2 0 00 I0 -Cj2 00 CE 0 0 0 0 0 Menton Road N Attleborough MA 02760 Tel 508 761-5414 price $1295 hipping Dealer inquiries welcome time read book should available through several familiar E-modeling suppliers July 1994 column presented photo discussion use non-slip prop drive made drywall sandpaper Drywall sandpaper looks bit like window-screen material its gritty both sides opencoat sandpapers Ive ever seen view double-sided sandpaper hardware store should have several grits washer cut material placed between prop hub motor drive washer results truly non-slip interface prop nut tightened also use washers between spinner backplates motor drive washer well between prop hub spinner back plate really shows its value large gear drive systems turning big props such systems alternating startup torque braking load can easily work prop nut loose allow loss prop assembly once not-uncommon occurrence has happened since began using washers recently Ive found another use drywall sandpaper photo shows modified V-block motor mount frequently use Historically Ive used some 1/16 single-sided foam tape V parts mount allow nesting motor provide some friction motor/mount interface motors strapped down using inner golden rod technique newer brass-strapand-draw-screw technique see column April September 1993 V-block pictured has drywall sandpaper place foam tape ordinary motor mount V-blocks no matter tightly motor clamped large gear drive systems big props develop much startup torque motor will always slip its rotational orientationeven foam tape cushion slip may show up until after several startups and/or braking shutdowns always happens drywall sandpaper place Ive found gluing piece fine drywall sandpaper V-block installing motor above results really solid grip motor can carried step farther brass straps/draw screws idea now prefer affords opportunity put bite motor Just glue some additional narrow strips sandpaper underside draw straps tightened combination grip motor underside bite clamp straps March 1995 93 above really captures holds motor no matter torque load least far fair two drawbacks motor mount sandpaper idea First its necessary make good fit between V-block/sandpaper size shape size shape chosen motor previously relied foam tape accommodate some minor slop interface dimensioning new approach allows no such give Second paper will produce some motor housing marks scratches really being clamped tight compression Whatever youre having trouble keeping motor position props spinners tight give drywall sandpaper try Its cheap easy chances excellent will solve problems too Just sure use old tools cut sanding material shape can easily damage cutting edges good tools Charging connectors individual choices must made E-modeler several options some modelers have choice use depending individual model power system installation Nearly airplanes chargers outfitted charge jack/plug combination introduced Astro products long ago photo shows two connector parts plugs jacks manufactured Switchcraftan American connector company supplies large variety power audio other connectors highquality parts Ive made thousands charge connections over years no connector failures little needed maintenance mostly just cleaning Astro used supplied parts until about three years ago changed own Electric system connector design Astro Zero Loss connectors Since convenient modeling source supply THE SNITCH SNITCH will aid trouble shooting glitch problems microcontroller counts records gitiches missed signal frames during flight tor playback later ground counting out audible tones Great trouble shoot ing noisy ignition system glitches try lug out different equipment contigura tions Also reams interference frequency reminds tom nit receiver flight coo cicy rearer nays oIsnr Lire Snitch valuable elec tronic uccessodes come along recentlyt Electronics Coiner Model Budder September 55 Size 132 0 1320 64 weight itit ounce Price $3995 ULTIMATE BATTERY BACKER BEST way insure reliable power model Use two baSery packs two switch hareesses Runs MAIN pack till drops out switches BACK-UP pack Works standard 4 cell 5 cell GEL-CELL packs Battery pucks can different capacity like 1255 600 Solid state design uses MOSFET trsvsistoro Used esteosively professional RPVs add own switch hamesnes ann wiring 15 o 150 75 weight 6 ounce connectora $4995 NEW NOw available wired coonectom $5995 6 CHANNEL GLITCH BUSTER OPTICALLY ISO LATE chavoels use o separate bagery pack nemo oowerl ---tao giant scale anpiuves nd glidero con estra power speedl Reqnvnu votallatior ron own radio seron leads Compatible PCM radionl Used Reno Racers NASA tool 16 o 15 0 3/4 weight 6 ounce $4495 NEWl Now available wired connectom $7995 GEAR DOOR CYCLER Evustly what need split retract door sequencing like P-St Mustang other airoraft including jetnl Install Y covoec retract channel Controls gear door semos Euch time retract switch operated up down gear doom open wait few seconds close againl Delay time adja . 3/4 -weight 1/2 ounce $3995 Now available wiren wits con nectom 94495 ElectronIc Model SystemS$390 22605 La Palms Ace ste 519ShIpping & Handling Per Order Vorha Linda CA 92997CredIt Cards Accepted- American Enpresa 714-692-1393 1sf Only.DIscover Mastercard & Visa 900-945-9979 Orders Onip March 1996 95 THE LAIRD SUPER SOLUTION IS THE NEWEST IN WILLIAMS BROS COLLECTION OF THE FAMOUS GOLDEN U ERA RACERS THAT INCLUDE THE GEE BEE Z GEE BEE RI-R2 HALLS BULLDOG RACER AND WEDELL WILLIAMS RACER THE CAUDRON RACER AND THE SCHOENFELDT FIRECRACKER HIGHLY DETAILED WITH COMPLETE INSTRUCTIONS DECALS CHOICE OF HARD OR SOFT TIRES SEND SASE FOR ILLUSTRATED ORDER FORM OR $800 FOR COLOR CATALOG PAWE VNARCOSCA 921MB jslNc~ j -9 A-b Wa rt hog Wing Span48 inLength37 Wint Area . 510 sq inWeight4-1/2 lbs F-15 Eagle Wing Span44 inLength38 Wing Area . 510 sq Weight /4 lbs new Combat Fighter Series LDM Industries has brought R/C Combat Jet Age Stand-off Scale jet fighters feature complete hardware package foam core wings balsa tail surfaces tough extruded PVC fuselage pre-cut parts models can built nuady cover 8 10 hours four models require 40 46 size engine 4 channel radio Since kits designed R/C Combat include landing gear However detailed instructions included show add landing gear plane makes excellent sport models So part exciting world R/C Combat order Combat Fighter Series kit today Kit#4010A-bWarthog Kit#4015F-15Eagle Kit#4016F-16Falcon Kit#4018F-18Hornet order Combat Fighter kit send check money order $3995 S&H $4495 total per kit may call fax us LDM Industries Inc PO Box 292396 Dept Tampa FL 33687-2396 Phone 813 9914277 Fax 813 9914810 Florida Residents add 6% Sales Tax VISA & MASTER CARD Accepted Call about 6-pack Club Discount Program Exciting New Video Switchcraft parts dried up Ive received letters seeking alternate source information Ive also received letters inquiring about suitable arming switches Electric installations Radio Shack parts particular strongly discourage using current versions miniature toggle switches Radio Shack arming function directly contrary recommendations made column past early 1991 sometime since RS has apparently changed suppliers switches past routinely used catalog #275-1546 double-pole doublethrow toggle switch However unlike earlier product newer RS switches routinely fail arming application As helpful distinction earlier switches brown plastic housing recent ones blue Digi-Key 701 Brooks Ave South Box 677 Thief River Falls MN 567010677 electronics parts house carries Switchcraft product line can supply plugs jacks discussed above jack female part catalog number SC 1048-ND plug male part 5C1051-ND small-quantity price less $3 plus shipping/handling also carry quality C&K switch product line use G catalog number CKN 1035-ND DPDT arming switches small toggle switch has failed last 1 Y2 years use Small-quantity price less $6 well worth As company Digi-Key folks absolutely super deal rare find out stock very graciouseven small orders phone call 800 344-4539 will let place credit-card order can also request copy catalog has zillions other electronics parts goodies offer normally order 10 connectors switches takes care some friends needs year two time larger order also exceeds $25 minimumbelow $5 service charge Some detailed photos illustrating use particular connectors DPDT arming switch wiring appeared March April 1991 columns Note few errors snuck some sketches later caught corrected subsequent columns Since readers have inquired Ill show updated detailed how-to wiring information parts near future April 1995 column detailed assembly use chokes leads motor speed controls cure help cure radio noise speed controls other parts power system chokes idea useful speed controls optically coupled and/or microprocessor-based designs Since column appeared Ive heard several readers about successes approach Ive heard did have success limited context Im tempted say chokes idea never fails course know better example entirely possible have radiated-noise problems opposed conducted-noise problems chokes will no good other hand such high reported success rate youve got radio noise problems Electric let suggest dig up issue see its done give chokes idea try cost hut pennies ACE R/C speed control manufacturer Jomarnow EMS impressed simple effective addition Mini-Max control now has chokes designed So ends another columnone right middle Winter Remember Electric very flyable wintertimeso dont hesitate enjoy clean quiet Please enclose SASE correspondence youd like reply R LOWDELIVERY PRICESALWAYS MINIATURE BEARINGS FOR HOBBY & INDUSTRY 3 Complete Product Lines ForPremium UltraSeal frictionless sealed maintenance-fret bearingsWe Have R/C CarsEconoPower bearings engineered strength & durabilitythe Large St Trucks High-Speed high-beat engine bearingsInventory Boats. Standard US Metric sizesand PlanesAsk us about MIDAS TOUCH Other Fine ProductsWidest & SendSelection Helicopters $300 Catalogs IN STOCK Dealer Programs Available BOCA BEARING Co 704t W Palmetto Park Rd Suite 2304 Ml Boca Raton FL 33433 Tel 4i7-99t-ttt4 407-99t-tlli WUSA CANADA CALL TOLL FREE 800-332-3256 CANADA USA 96 Model Aviation