Proboat Impulse 9 Submarine

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Proboat Impulse 9 spends as much time underwater as it does above.

I9 flips, dives, barrel roles and runs underwater.

Stunt Driver: Justin Gittemeier

Couldn't get the boat to perform well on LiPo but its still fun on NiMH once you learn how to run it underwater.
It does take on some water after a while and I wouldn't risk ruining a LiPo but don't mind dunking it with a NiMH.