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10-26-2010, 09:24 AM
| #1 |
| Pebble Pounder Join Date: Aug 2010 Location: Roseville
Posts: 155
|  CC BEC Voltage
Just got my CC BEC. What are you guys running for an output voltage. I'm running a HS-645MG servo on 2s lipo.
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10-26-2010, 09:47 AM
| #2 |
| cherry bomb   Join Date: Jul 2006 Location: Nanaimo, BC, Canada
Posts: 1,598
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Hs-645mg doesn't really need a bec. I just got a 2nd bec I'm going to put it in my scaler using that same servo. I will likely set it at about 6.2 and just take advantage of the 10a output. But even without a bec my HS-645MG steers my 1.9's with 1/4 pound of lead in each very easily. Ithink you should be good. I hadn't realized I was in the MRC forums. Last edited by fred0000; 10-26-2010 at 10:18 AM. |
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10-26-2010, 04:37 PM
| #3 | |
| Pebble Pounder Join Date: Aug 2010 Location: Roseville
Posts: 155
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10-26-2010, 04:47 PM
| #4 |
| Rock Crawler Join Date: Apr 2006 Location: Thorp WA, more sheep than men...
Posts: 543
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almost 2 years w/ no bec on my MRC w/ a 645...
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10-26-2010, 07:03 PM
| #5 |
| RcBros Hobbies   Join Date: Nov 2005 Location: Oregon
Posts: 4,646
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You need to look at what your servo is capable of receiving before playing with the voltage. You may be able to supply 10V but most servos stop at 6V.
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10-26-2010, 07:07 PM
| #6 | |
| cherry bomb Join Date: Jul 2006 Location: Nanaimo, BC, Canada
Posts: 1,598
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10-26-2010, 07:37 PM
| #7 | |
| Pebble Pounder Join Date: Sep 2010 Location: Topeka
Posts: 103
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The ESC output varies from unit to unit.. My LHS told me I would not need a BEC when I weighted & upgraded the tires & wheels.. But damn, it sure decided to thermal every 3 minutes afterwards.. I installed a CC BEC @ 6v and instantly solved the problem.. So for those who state that a BEC is not needed on an MRC.. They are in the lucky bunch.. The rest of us get to spend an extra 25 bucks to make crap right.. Quote:
~Kev | |
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10-26-2010, 08:01 PM
| #8 | |
| Quarry Creeper Join Date: Feb 2009 Location: Glendale Az
Posts: 384
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10-27-2010, 07:02 AM
| #9 |
| Quarry Creeper Join Date: Apr 2009 Location: Hampshire, UK
Posts: 396
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Prevention is better than cure, etc. You may be lucky but you may have my kind of luck  !Why risk it? There was a link through to a large thread on just this subject posted recently in another thread. Very interesting reading. Yes you need an external bec Last edited by neiloid1; 10-27-2010 at 10:52 AM. Reason: Link added to BEC thread |
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10-27-2010, 07:28 AM
| #10 |
| I wanna be Dave Join Date: Sep 2005 Location: Houston, TX
Posts: 16,952
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I install an external BEC on any RC that has the potential to stall the motor. When you stall the motor, the internal BEC robs current from the servo to help out the motor.....no matter what servo you are using.
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10-27-2010, 08:18 AM
| #11 |
| RCC Addict Join Date: Apr 2009 Location: Token's life matters
Posts: 1,836
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The idea that with a big enough hammer you can pound a square peg into a round hole just will not die. People just keep trying and trying to get it, and when they fail they go off into the distance and install a BEC. On a side note I run mine (all of my RC stuff has a BEC, even my Slash and SC-10) at 7.4 volts. No issues even with the stock Traxxas servos. Maybe I am just lucky. |
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Linear Mode
