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post #12 of Old 08-19-2013 Thread Starter
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Re: yet another battery charging question

Originally Posted by manatee View Post
How much current in the river?
My wife and I have often thought that we are sitting on a tremendous amount of energy in terms of moving water, but you seem to need about 5 knots flow to get anything useful out of a turbine, and the river is about 2-3.

The one you point to seems a bit better but still needs 4 knots, so probably no much use to us.
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