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Old 06-17-2013
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Re: Worlds Largest Solar Powered Vessel cruising down the Chesapeake Bay Now

Quote:
Originally Posted by mad_machine View Post
that is very cool.. but why do they let the props hang half out of the water? They would be more efficent if they were not thrashing the water like that
The Arneson Surface Drives are among the most efficient marine propulsion systems in the world. Their surface-piercing propeller design reduces underwater drag by 50% compared to conventional submerged propeller drive systems.

Anybody know where this thing is headed?

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Last edited by downeast450; 06-17-2013 at 03:24 PM.
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