Okay...could be stupid but was in my hobby shop the other day going over all this cooling crap. I then looked down and saw a little gas tank from an old plane 8 oz or something...very small.
So I thought...how about a small pump (internal in the tank and runs on 9 v or whatever. It flows water out and to the esc and then motor and dumps back in to the tank. We are only talking oz of weight here and could end up being anoth balance weight...you only need a little water....depending on speed of pump but what comes out goes back in.
Then, I went ot the freezer and dropped 3 ice cubes in it...holy crap...cold water all the time.
So that was my brain fart. Screw all the external rudder pickup and goofy looping brass around the prop.
Sure would be nice for summer running.
now to find a micro dc pump.
Just maybe it could also cool cells?
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