Quote:
Originally Posted by oldtamiyaphile
In model boats, people just wrap copper pipe around their motors. Despite the relatively small contact area, it's very effective. Could maybe add some conductive epoxy to help a little more.
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Yep, I've seen setups that basically had a full sleeve around that had water flow through it, basically a water jacket. Never tried conductive epoxy before, but I suspect it might become a problem if he has to remove the motor for some reason, whereas the copper coils would be easy to remove.