12-12-2013, 09:09 AM | #1 |
Newbie Join Date: Dec 2013 Location: Newcastle
Posts: 24
| Axle mounted battery
Hello everyone. I just purchased a used HPI Crawler King at the LHS. I got everything but the body for $60. I thought I got a steal until I started some teardown 2 weeks later. The tires are junk (falling apart) and the ESC doesnt work at all. everything else SEAMS to be good. I want to start making some mods after the holidays (need some gift money!! HA HA) and one of the mods I am a bit unsure how to do is moving my battery to the axle. (front or rear is ok, but I would prefer the front) I know the front may be difficult since I also want my servo mounted there. Does anybody have any advice or have you done something similar and can share your experience? Thanks!!!!! |
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12-12-2013, 03:56 PM | #2 |
I wanna be Dave Join Date: Oct 2010 Location: Caldwell ID.
Posts: 4,328
| Re: Axle mounted battery
You may have to make something. I think C. K. R. C. Still has a upper link battery mount. But parts are kinda hard to find.
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12-14-2013, 05:04 AM | #3 |
Newbie Join Date: Dec 2013 Location: Newcastle
Posts: 24
| Re: Axle mounted battery
Thanks for the reply. I kind of thought I would probably have to make something after shopping around for some inspiration and finding nothing. I had hoped someone here had done something similar and would share pictures.
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12-14-2013, 12:06 PM | #4 |
Rock Stacker Join Date: May 2012 Location: Walker
Posts: 88
| Re: Axle mounted battery
You might try looking the the WK picture thread. It will take a while but will be very enjoyable. I would think you could build an offset servo mount to move the servo right or left and mount a small plate on the other side of the axle with one of the small lipo's that are available now.I have mounted my wk servo in the center with no clearance issues and my frame has been tummy tucked and i'm running a droop suspension. I have now moved the servo to the pass side and still have no clearance problems. I removed the battery box and have the batt velcroed to the front upper links. I make all my patterns from thin cardboard and then alum plate. Hank
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12-15-2013, 06:51 PM | #5 |
Newbie Join Date: Dec 2013 Location: Newcastle
Posts: 24
| Re: Axle mounted battery
Thanks Hank. That's actually what I have been doing. There are some great looking rigs in that thread. I can't wait to try and make a servo mount and I would like to try mounting my 2cell lipo on top of the servo mount. I saw a few pictures of a 6cell nimh mounted that way and it looked like a good way to get as much weight up front as possible. I saw some pics of a nice rear axle mounted tray and thought that would be a great place for my esc and receiver. Thanks for the advice. |
12-16-2013, 09:53 AM | #6 |
Rock Stacker Join Date: May 2012 Location: Walker
Posts: 88
| Re: Axle mounted battery
Sounds good. I mountedmy electronics on top of the rear upper links, just used a pc of thin vinyl and zip tied it to the links. I have some pics in the thread R2 trans in a ck. older pics but they show the links and battery and elctronics mounted. I have seen full size batts mounted across the front axle. I have always wondered what some of the really small lipo's would do in run time. Mounting would work out great, some of those are really small.
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12-16-2013, 10:28 AM | #7 |
Newbie Join Date: Dec 2013 Location: Newcastle
Posts: 24
| Re: Axle mounted battery
Yeah, I was thinking the same thing about the small Lipos. I have been a traxxas rustler/stampede/slash guy up to now and thought about the lipos they use in the mini e revo.
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12-16-2013, 12:13 PM | #8 |
Rock Stacker Join Date: May 2012 Location: Walker
Posts: 88
| Re: Axle mounted battery
I think I saw on ckrc's site some really small soft lipo's, but they were like 750 milliamp. I think they are used in comp crawlers for a specific section of the comp so runtime is not much of a factor, unlike trailing or play crawling. Also being that small it wouldn't help with forward weight bias as much as a hard case lipo or nimh battery would. Like you said tho the smaller 1/16 or 1/18 sized lipo would work ut really well. I am trying to make my nimh's and lipo's do double duty between my old school stampede w/ brushless power and my crawler king.
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12-30-2013, 09:25 AM | #9 |
Newbie Join Date: Oct 2012 Location: UK
Posts: 44
| Re: Axle mounted battery
I've always found these to be a good battery for axle mounting... Turnigy nano-tech 1300mah 2S 25~50C Lipo Pack Last edited by heinz357; 12-30-2013 at 09:30 AM. Reason: add pic |
12-31-2013, 08:32 AM | #10 |
Newbie Join Date: Dec 2013 Location: Newcastle
Posts: 24
| Re: Axle mounted battery
Thanks heinz357, I have been looking at packs similar to that and that one is priced really well. |
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