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| In flight power systems Powerboxes, regulators, batteries & more. Discuss it here. |
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11-05-2009, 04:14 PM
| #13 (permalink) | ||||||||||||||||||
| Bionic Technology Tester   Join Date: Dec 2007 Location: Ocala, Florida Age: 52
Posts: 378
 |  Re: Routine switch replacement
__________________ Florida Freestyle Aerobatics Association 7.25% Bionic 100% RC Nut $1,594,889.00 DOLLAR MAN The meter is running again!  Rippin it with PURPLE POWER | ||||||||||||||||||
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11-05-2009, 04:59 PM
| #14 (permalink) |
| RUTNBUC  Join Date: Sep 2008 Location: McClellanville South Carolina Age: 46
Posts: 743
 | Re: Routine switch replacement
I use the JR heavy Duty Charge Jack switches with Zero Problems. I aviod the MPI's cause I have had the flanges break off, back fall out. JR baby.
__________________ Here me Now, Believe me Later ! |
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11-05-2009, 05:53 PM
| #15 (permalink) |
| Bad-ass Super Contributer!  Join Date: Mar 2006 Location: Culpeper, VA Age: 42
Posts: 976
| Re: Routine switch replacement
[quote=billd3;930987]Haven't had a switch failure in 25 years (that I can remember)...Guess I'm overdue. Be careful when you say that. I said that about one of my helis 3 weeks ago. It had never crashed in two years of crazy flight. Got asked about that, my reply was "its gotta be due anytime now." Same day, the heli was punching out inverted, I started rolling it right cyclic, and BAM!!!, my pitch links snapped off, the rotors came to a sudden halt, and the thing had nowhere to go but down. Landed on the muffler, snapped the landing gear, ripped the muffler off of the cylinder head, and cracked the crank case open. But the blades, servos, RX, regulator, gyro, and battery all survived. I looked back at my buddy Richard who had asked me about the heli never crashing, and I said " You had to ask me about that, did'nt you?!? Thanks a lot!
__________________ 22 ft Airship video 22 ft Airship for sale in the swapshop |
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11-06-2009, 06:49 PM
| #16 (permalink) |
| Doo It! Doo It!  Join Date: Sep 2007 Location: New Mexico
Posts: 98
| Re: Routine switch replacement
I autopsied the failed Cermark switch after I replaced it. The photo shows that the lead opposite the charge port had been just about worn in two. I lightly tugged on the lead and it came off in my hand, leaving the little wire stubs shown. The case had a hard plastic edge where the lead exited, with no grommet or potting material. Over time, vibration just sawed it in two. One more thing to check on a new switch.
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11-06-2009, 08:17 PM
| #17 (permalink) |
| Life Begins at 200 mph!  Join Date: Aug 2006 Location: Mount Holly, NC Age: 54
Posts: 993
| Re: Routine switch replacement
Fromeco are the best,  if you do not want to go that way I would go with the JR HD switches. I have had three MPI switches either fail or fall apart just after about 20 flights or so, needless to say they went into the trash!
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11-10-2009, 01:17 PM
| #19 (permalink) |
| Super Contributer   Join Date: Nov 2008 Location: Lyndonville, VT
Posts: 129
| Re: Routine switch replacement
I like to "K.I.S.S", Having had a close call recently with a solder failure in a HD switch harness, I'm seriously thinking of replacing the single 2300mAh A123 pack in my 26cc gasserwith two 1100's and just running two of the HD charge jack switches, a lot of redundancy for the bucks  Pete
__________________ "If the women don't find you handsome, let them at least find you handy" -Red Green- |
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11-10-2009, 01:31 PM
| #20 (permalink) | ||||||||||||||||||
| Bad-ass Super Contributer!  Join Date: Jan 2009 Location: toledo ohio
Posts: 1,230
| Re: Routine switch replacement
i wouldn't, nothing like a ignition spike into the reciever to make things really interesting.
__________________ aeroworks 50cc yak DLE 55  aeroworks 100cc extra 300 DA 100L  | ||||||||||||||||||
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11-10-2009, 04:06 PM
| #21 (permalink) |
| Bad-ass Super Contributer!  Join Date: Jan 2006 Location: Tucson Age: 34
Posts: 4,846
| Re: Routine switch replacement
I no longer use mechanical switches. Solid-state failsafe switches are the only way to go - like those found in Smart-fly power expanders and regulators, or Fromeco switches, etc.
__________________ Gmoney and Smarks are spooners |
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11-10-2009, 07:43 PM
| #23 (permalink) |
| Super Contributer Join Date: Nov 2008 Location: Lyndonville, VT
Posts: 129
| Re: Routine switch replacement
Bingo  I'll go with the redundancy provided by two good quality switch harnesses in parallel. Pete
__________________ "If the women don't find you handsome, let them at least find you handy" -Red Green- |
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11-11-2009, 09:05 PM
| #24 (permalink) |
| Gettin' Lower!  Join Date: Apr 2007 Location: big spring,texas, usa
Posts: 34
| Re: Routine switch replacement
[quote][i wouldn't, nothing like a ignition spike into the reciever to make things really interesting./QUOTE] no spikes http://www.troybuiltmodels.com/ns/items/WRCIBEF.html |
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