I originally ran Two 4s3200mah Flightpower 30c packs in parallel but switched to two 2s5500 35c lipo's in series.
For a prop in race conditions I like a X642 or even a X445 both detongued and back cut but for all out speed the 1445 detongued is ballistic.
The biggest improvement I made to the hull over the last couple season's was the turn fin. I originally ran the Blazer turn fin but switched my fin to a longer and more narrow fin and it made a huge improvement in speed and turning.
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