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Old Jul 12, 2012, 04:47 AM
aerosoardude is offline
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Its not that windy...
United States, CA, PORTER RANCH
Joined May 2007
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Adding Capacitors, what voltage and how much is too much?

Hey all,

I've recently bought the 150A 6s ESC from HK. I'm not actually planning to use it in an rc car, but that's besides the point of this post. Bottom line is that I need to reduce the voltage spikes as much as possible.

I've been reading up on the topic of adding caps to escs. Every time someone adds capacitors, they seem to use ones that are nearly twice the input voltage.

The HK esc only uses 25V caps, good brand caps, but only 25 nonetheless.

My questions are:

Shouldn't I upgrade the caps to 50V versions?
And as long as I'm at it, how big of a capacity can I add?

Thanks for any and all help!
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