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Old 12-07-2020, 07:11 AM
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Join Date: Nov 2006
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Snow and wet grass are not very hard, but ice within the snow could be enough to dent the foam. I would cover the bottom with the ply and resin, and use the glass on the sides and top. 3 oz is pretty heavy cloth. Waxing the bottom will improve speed on grass and snow.

I fear that your prop choice is too much on 3S. I run a slightly larger motor (2830/2200) on one of my airboats and a 6x4 prop draws well over 30 amps. A 7x5 would be fine on 2S but might blow the motor or ESC on 3S. Good luck on you build!