Doug

        I have some ideas for underwater robots that I would like to try.
So now that I know that there is someone on the list that has experience
with Underwater Robots, I have some questions.  What type of motors do you
use for propulsion?  How do you seal motors or points where wires protrude
from an enclosure from leakage or high water pressure or .  Can ultrasonic
signals be used to control robots underwater?


Thanks
Scott beatty

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