Proboat Impulse 9 in Action

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Proboat Impulse 9 above and below water.
Stock running on NiMH.
Have larger prop being shipped so hopefully it can run on LiPo without cavitation. 

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

I9 flips, dives, barrel roles and runs underwater.


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.