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#1
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2x3 stack of 8858's?
I've heard that doing a 2x3 stack of 8858's aren't a good idea and I should just do a 2x2 stack. Is this true? I heard that a 2x2 will handle just about any motor out there.
I just don't wanna do a 2x2 stack, then end up frying them when I could have just done a 2x3 in the first place. Any advice would be appreciated, since I don't know much about fets |
#2
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If you go to Atomicmods.com and click on motors, every description says what stack is prefered. They have just about every motor you'll come across and they are GREAT about including specs like that with everything.
http://www.atomicmods.com/Categories...ar/Motors.aspx They also have comparison charts for motors and just about everything else.
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#3
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i have heard that the higher the stack, the more twitchy or jumpy the motor will become.
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#4
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I've heard that too. Atomic Mods say that the Atomic Chili (the motor I might get) needs a minimum 2x2 stack, but prefers a 2x3. They are talking about stacking the 4562's. I've read that the 8858's are a little more better then the 4562's. I just don't wanna fry my fets and possibly damage my board
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#5
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hey better safe then sorry eh?
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#7
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I am leaning towards a 2x3 stack. I will wait until tomorrow when I get off of work to do it. I wanna get some more input from others. Either way, if it is too twitchy or I am having problems, I'll just take a layer off
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#8
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Quote:
Completely wrong. The stack height is determined by the motor. That simple. I am running a chilli a PN S04 in a mini-z with only a 2x2 and it is suggested a 2x3. I have had no problems. You should be fine unless you abuse it and ignore stopping running when the motor is hot.
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#9
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I wanna run either an Atomic Chili or an Atomic T2. I'm pretty sure 2x2 would suffice enough, but I know they would run hot, so I wanna be as safe as I can. Not positive if I will run either of these. I do like the Chili though, at least what I have read about it.
Last edited by SkylineLvr; 02-26-2009 at 01:21 PM.. |
#10
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Quote:
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#11
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XXX: S04 and a chili in a 2wd or 4wd car? I don't know how I am wrong but put a chili or an s04 in a ma010 w/ 2x2 FDS8858CZ.
Modified motors can run faster w/ a 2x3 fet stack in a 4wd..... there is more strain on the motor in a 4wd driveline causing more amp draw. The lower the stack will not allow a motor to function at its full potential. You would think that a guy who winds motor, stacks fets, and drvies long times with modified motors has some sort of a clue............................... Skylinelvr: The chili has an advanced endbell so unless you don't want to mess around with it... get the T2. You should really see how fast a stock-r is on 2x2 of 3010 fets and the right gearing. You have to move your way up.... you'll see when you get a decent-fast motor. Don't jump to the mod motors yet... I did that and I went back to a base of running the stock-r. Last edited by 2wdpancar; 02-25-2009 at 11:58 PM.. |
#12
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you'll be good either way but a 2x2 is completely safe. Have fun with it.
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#13
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Well I lifted a pad when I took of the stock fets. I thought I fixed it, but when I soldered the new fets on, I didn't have any power going to the motor. Looks like I'm gonna have to sell my Xmod now just to buy a new board. Man this sucks. Should of had Action B do it for me for $10. Now I'm out $50-$100. I'm so ****ed at myself right now
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#14
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What technique did you use to take them off? I know the feeling sucks to have your Z down. Don't get down on yourself man, its part of the learning process. I've not seen a board yet that was unusable after a failed FET install. It can probably be fixed. Last edited by Action B; 02-26-2009 at 08:18 PM.. |
#16
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Quote:
I know the feeling sucks to do something like that though, I've done stuff to my real car like that before. Usually these things are repairable. How did you go about fixing the lifted pad? While I've never lifted one I know how to fix them. |
#18
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Quote:
If you have any questions let me know, if you don't feel comfortable messing with it further you can send it to me and I'll do my best with it. |
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