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| In flight power systems Powerboxes, regulators, batteries & more. Discuss it here. |
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11-04-2009, 10:26 PM
| #1 (permalink) |
| Doo It! Doo It!  Join Date: Sep 2007 Location: New Mexico
Posts: 98
 |  Routine switch replacement
Was wondering what the opinions are out there on routine switch replacement on gasoline engine planes. I just had a Cermark charge switch die on my ignition circuit. Engine would start OK, then start missing. Finally jumped the battery directly to the ignition and problem was solved. I imagine this is another item to be replaced on a routine basis. But what would you consider routine? Yearly? Any opinions appreciated.
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11-04-2009, 10:37 PM
| #2 (permalink) |
| Bad-ass Super Contributer!   Join Date: Mar 2006 Location: Culpeper, VA Age: 42
Posts: 976
|  Re: Routine switch replacement
FROMECO switches. O problems. Look at the Badgers and Wolverines. Only way to go. http://www.fromeco.org/Categories/Switches/
__________________ 22 ft Airship video 22 ft Airship for sale in the swapshop |
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11-04-2009, 10:54 PM
| #4 (permalink) |
| Super Contributer  Join Date: Aug 2009 Location: Rockwall Texas
Posts: 106
| Re: Routine switch replacement
I had a HD MPI switch that was bad from the get go on my plane, caused 2 deadsticks before I got it figured out. I ended up pulling all 3 and replacing with fromeco. Not sure how long they are supposed to last but I would imagine its like anything else, you get what you pay for in quality.
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11-05-2009, 12:07 AM
| #5 (permalink) |
| If you can't HUCK it BLING IT!  Join Date: Jan 2006 Location: Whidbey Island, WA Age: 34
Posts: 7,334
| Re: Routine switch replacement
Actually the Cermark are as good as the JR switches. Vibration eventually is bad for anything electrical. The fuse sides of any plane vibrate when the plane is on the ground like crazy. I wouldn't say routine replacement but I would do routine movement of the wiring to ensure there isn't any weak joints over time.
__________________ Offical Member of Team Caribou Lou A 'Veteran' -- whether active duty, discharged,retired, or reserve --is someone who, at one point in his life, wrote a blank check made payable to 'The United States of America,' for an amount of 'up to, and including his life.' That is honor, and there are way too many people in this country today, who no longer understand that fact |
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11-05-2009, 07:28 AM
| #6 (permalink) | ||||||||||||||||||
| Bad-ass Super Contributer!  Join Date: Mar 2006 Location: STL
Posts: 1,295
| Re: Routine switch replacement
__________________ FROMECO JR 12X DSM CARDEN AIRCRAFT DESERT AIRCRAFT DALTON AVIATION EXTREME FLIGHT RC  | ||||||||||||||||||
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11-05-2009, 10:08 AM
| #7 (permalink) |
| Doo It! Doo It! Join Date: Sep 2007 Location: New Mexico
Posts: 98
| Re: Routine switch replacement
I have a SmartFly Superswitch on the receiver; no problems so far. The Cermark has been a decent switch, just not immortal I guess  . I've used the old style unregulated Fromeco pin switches on a couple glow planes. How long has anybody had a Fromeco of any type in service on a gas plane?
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11-05-2009, 10:30 AM
| #8 (permalink) |
| Pro Pit Biaatch  Join Date: Jan 2006 Location: Sugar Hill, GA.
Posts: 1,386
| Re: Routine switch replacement
I never had a problem with a Cermark switch and thats all I have used but as was said ealier, electrical components are subject to vibration and anything can happen over time....
__________________ Extreme Flight RC www.extremeflightrc.com Aircraft International www.aircraftinternational.com Higher Plane Productions Mercury Adhesives Johnson Aviation |
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11-05-2009, 10:40 AM
| #9 (permalink) |
| Obsessed  Join Date: Jan 2006 Location: Milwaukee, WI
Posts: 2,230
| Re: Routine switch replacement
To date I've never kept a plane more than three years but that's about as long as I would want to keep the switches and batteries. And always try to keep vibrations to a minimum by tuning your engine, balancing props, spinners, never run it without the wings on. I use JR/Cermark for ignition and Smart Fly Super switch for the rx. These are 50cc gassers. Never had a bad switch yet and I fly the crap out of these things.
__________________ Joe AP |
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11-05-2009, 10:55 AM
| #10 (permalink) |
| Bad-ass Super Contributer!  Join Date: Aug 2006 Location: San antonio, tx Age: 31
Posts: 1,415
| Re: Routine switch replacement
Been running the Wolverine switch for about 20 or more flights now and it has saved my plane twice. I am running two Fromeco packs to the switch and then to two FASST receivers with regs. Once, had a battery solder joint come lose and the switch automatically shared the one pack to the two receivers. Might have been hard to bring the plane back with only half of the plane on. I also like the fact that it has two LEDs on it to show both packs are functional.
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11-05-2009, 02:53 PM
| #11 (permalink) |
| Uber Contributer Join Date: Jul 2008 Location: Prince George, Virginia, USA Age: 62
Posts: 155
| Re: Routine switch replacement
Haven't had a switch failure in 25 years (that I can remember)...Guess I'm overdue. I think about the little critters every time I install one. Some time ago I was buying a switch from Eaton Aerospace which was used on the F-16. I fugured if it was good enough to withstand the vibration of the 16, it ought to work well for us. I wired up a couple of dozen...ran out recently adn I can't remember which switch I bought. I have been using switches from Electro Dynamics and I supose they're the same as the Cermack/MPI ones. I probably should try those Fromeco's.
__________________ Bill Denner "Indy" Damnbeenie Aircrafters Custom RC Airframes |
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11-05-2009, 03:13 PM
| #12 (permalink) |
| If you can't HUCK it BLING IT! Join Date: Jan 2006 Location: Whidbey Island, WA Age: 34
Posts: 7,334
| Re: Routine switch replacement
ED/Cermark/JR are all Heavy duty switches. I use any and all of them.
__________________ Offical Member of Team Caribou Lou A 'Veteran' -- whether active duty, discharged,retired, or reserve --is someone who, at one point in his life, wrote a blank check made payable to 'The United States of America,' for an amount of 'up to, and including his life.' That is honor, and there are way too many people in this country today, who no longer understand that fact |
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