Quote:
Originally Posted by lincpimp
5s will run cooler, and will draw approx 1/5 less of the amps of the 4s setup if both are geared for the same top speed. In my experience 5s is a noticeable gain in power and runtime, with not much extra weight. As far as running 70% expo, just regear for the same top speed, escs run cooler at full throttle than partial.
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That's basically it. The only other thing I would add is to watch motor RPMs. If the motor is already spinning fast (>35-40k) on 4s, 5s will just be faster. Not only is excessive motor rpm potentially less efficient, but you might not be able to gear low enough depending on the spur/pinion options you have.
So basically, your choices are to gear down for the same speed, or get a lower motor kv and gear the same.
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