I just converted my mini vee to brushless with new flex drive aswell.It has a 3900 kv inrunner with a 40 amp speed control with a x432 prop. (Generic airplane brushless stuff.) When I tested it I used a 7.4 nimh losi 1000 mah and It was very slow maybe alittle faster than stock but not by much. Is this because my battery doesn't put out enough amps. 13 amps +or-. I have a lipo 20c 1450 7.4v should I go to that for sure and sell my other nimh packs. Or is it more that the prop is to big for the amps those packs can put out. I'm new to boats and just figuring out the amp pull to battery pack to prop combo thing. Thanx.
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