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speedometer vs. GPS
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06-03-2010, 11:27 AM
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Excalibur
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Join Date: Jul 2004
Location: Gilford,NH is where I would like to be and Southborough, MA is where I have to be
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I put a portable GPS in my boat for a weekend and wrote down the tachometer revolutions for particular speeds.
My pitot tube kicks up over 60 on Lake Winnisquam..
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