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04-27-2016, 08:25 AM | #1 |
Quarry Creeper Join Date: Jan 2007 Location: Isanti, MN
Posts: 289
| 7.4v bec for rig running 3s?
I have an axial rr10 bomber running stock electronics besides a hitec hs-5685 servo I regrettably bought per the lhs owner's suggestion when I turned down a 100$ servo he suggested. The servo is higher quality, but not really any stronger than the stock one atm. The servo is rated for up to 7.4 volts with 180 oz of torque (which is still puny, but sounded good compared to the 8 year old 8lb rig I had been driving with a hitec hs645mg). I don't know if I should even bother finding a special bec to get 7.4 volts to the servo, but not the reciever, and also step the voltage down from the 3s pack I run. Do people run 7.4 volt servos in their crawlers these days, or still 6 volt? Debating on finding a stronger 6v servo and getting a simpler bec. If that is the best option, does anyone have any suggestions for one under 100$. This rig is a crawler and trail rig fyi. Sent from my SM-G900V using Tapatalk |
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04-27-2016, 08:40 AM | #2 |
Pebble Pounder Join Date: May 2008 Location: tucson
Posts: 145
| Re: 7.4v bec for rig running 3s?
I run savox sg1231 which is rated at 7.4v its around $75 and I have had great luck and I use 3s batteries with the bec set to 7.4 to get the most out of that servo.
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04-27-2016, 09:05 AM | #3 |
Quarry Creeper Join Date: Mar 2016 Location: Moses Lake
Posts: 442
| Re: 7.4v bec for rig running 3s?
im using this one in my SCX10 500oz of torque at 6.0v not to shabby not the fastest servo or a high voltage servo but still gets the job done Savox SA 1230SG Monster Torque Coreless Steel Gear Digital Servo SA1230SG | eBay Last edited by sharkattack99; 04-27-2016 at 09:08 AM. |
04-27-2016, 09:42 AM | #4 | |
Quarry Creeper Join Date: Jan 2007 Location: Isanti, MN
Posts: 289
| Re: 7.4v bec for rig running 3s? Quote:
Sent from my SM-G900V using Tapatalk | |
04-27-2016, 09:52 AM | #5 |
I wanna be Dave Join Date: May 2007 Location: Vancouver, BC
Posts: 2,379
| Re: 7.4v bec for rig running 3s?
Lots of guys use the CCBEC. I make a plug and play BEC that you can order from me and I can preset to 7.4 volts if you ask. No Brainer BEC Note how it is set up to only supply the higher voltage to the steering servo and therefore no concern about running a higher voltage to other components that might not need it. |
04-27-2016, 09:53 AM | #6 |
Quarry Creeper Join Date: Mar 2016 Location: Moses Lake
Posts: 442
| Re: 7.4v bec for rig running 3s? No Brainer BEC he makes and sells what he calls No brainer BECs...hit him up. Edit: beat me too it. lol Last edited by sharkattack99; 04-27-2016 at 09:57 AM. |
04-27-2016, 09:56 AM | #7 |
Rock Crawler Join Date: Mar 2016 Location: HB
Posts: 946
| Re: 7.4v bec for rig running 3s?
Search for the heyok no brainier bec or contact him. I've been happy with mine.
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04-27-2016, 09:57 AM | #8 | |
Rock Crawler Join Date: Mar 2016 Location: HB
Posts: 946
| Re: 7.4v bec for rig running 3s?
Was typing while u were posting apparently. Quote: | |
04-27-2016, 10:01 AM | #9 |
I wanna be Dave Join Date: May 2007 Location: Vancouver, BC
Posts: 2,379
| Re: 7.4v bec for rig running 3s?
It's true :-)
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04-27-2016, 10:15 AM | #10 | |
Quarry Creeper Join Date: Jan 2007 Location: Isanti, MN
Posts: 289
| Re: 7.4v bec for rig running 3s? Quote:
Sent from my SM-G900V using Tapatalk | |
04-27-2016, 10:24 AM | #11 |
Quarry Creeper Join Date: Mar 2016 Location: Moses Lake
Posts: 442
| Re: 7.4v bec for rig running 3s?
i use this one in my wraith (want a bec to take full advantage of the high voltage eventually) works great i love it so far and its water resistant http://www.amainhobbies.com/rc-cars-...1270tg/p187714 |
04-27-2016, 02:53 PM | #12 |
Quarry Creeper Join Date: Jan 2007 Location: Isanti, MN
Posts: 289
| Re: 7.4v bec for rig running 3s?
I made a deal with the wife and now I'm going to get the savox 1230. Going to use the castle bec as I need to order a castle link to be able to program my original mamba max esc, and the castle bec is cheaper + free 2 day shipping from amazon (I have prime). Sent from my SM-G900V using Tapatalk |
04-27-2016, 02:59 PM | #13 | |
I wanna be Dave Join Date: Sep 2006 Location: Anchorage, Alaska
Posts: 3,099
| Re: 7.4v bec for rig running 3s? Quote:
Savox SA1231SG Digital Servo I run the Savox SA1230SG ...still 6v according to the Savox specs. Savox SA1230SG Digital Servo Maybe it's safe to push 7.4v but I'll doubt it increases the torque/speed output ratings. And even if it did... would likely reduce the servo's consumable life expectency. | |
04-27-2016, 05:53 PM | #14 |
RCC Addict Join Date: May 2015 Location: Price Twp.
Posts: 1,291
| Re: 7.4v bec for rig running 3s?
I have a 7.4v heyok bec, not the no brainer, I don't even remember it's on the rig or even have need to think about it. |
09-13-2021, 07:18 PM | #15 | |
Newbie Join Date: Sep 2021 Location: Lakewood
Posts: 2
| Re: 7.4v bec for rig running 3s? Quote:
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09-14-2021, 08:14 AM | #16 |
Rock Crawler Join Date: Feb 2020 Location: Fort Leonard Wood
Posts: 868
| Re: 7.4v bec for rig running 3s?
Avoid the BEC crap and get a direct power servo.
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09-14-2021, 08:19 AM | #17 | |
Rock Crawler Join Date: Feb 2020 Location: Fort Leonard Wood
Posts: 868
| Re: 7.4v bec for rig running 3s? Quote:
The 3 Bros g11 ($50) I had was much better than the Savox 1230 even though the Savox is rated at more torque. When it comes to torque ratings I really think Savox is full of shit with their claims. | |
09-14-2021, 08:22 AM | #18 |
Rock Crawler Join Date: Feb 2020 Location: Fort Leonard Wood
Posts: 868
| Re: 7.4v bec for rig running 3s? |
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