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Old 03-28-2016, 09:42 AM   #33
dhays
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City: Gig Harbor
Vessel Name: Kinship
Vessel Model: North Pacific 43
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Quote:
Originally Posted by FF View Post
Years ago the AYRS came up with a simple method of figuring "hull" speed for a variety of boats.

The old formula was created by looking at fat boats of the time , and doesn't work well for skinny fast boats.

S = L/3b X SQRT of (LWL)
What is "L" and "b" in that formula?
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Dave
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