Quote:
Originally Posted by pilleya
If your looking to reduce weight a brushless inrunner will be more powerful for the same weight and will be sealed. The resources you need such as flashing brushless ESC's with SimonK is quite well documented and is reasonably straight forward.
Is power important or is it more weight reduction that you are wanting? If you wanted to reduce weight and don't need a lot of power a small sealed motor like a BAG motor could work.
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Out of curiosity, would the ultra-fine grit get through the bearings? How would any motor be safe for long?