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![]() Charlie Morgan wrote: On Fri, 30 Jun 2006 12:05:20 -0400, DSK wrote: Charlie Morgan wrote: Applying Froudes formula for hull speed, a 43 foot boat with a displacement hull has a theoretical hull speed of about 8.79 knots. That depends on the speed-length ratio, which of course dependend on prismatic coefficient and length/beam ratio among other things. "Hull Speed" is not a carved-in-stone absolute figure. DSK I believe I mentioned both the method I used to come up with that figure, and I used the word "theoretical". Froudes formula is widely accepted around the world for figuring approximate theoretical hull speed. Where did you derive the notion that I felt it was carved in stone? Do you know of some special reason (bordering on magic) why Joe's boat would have a hull speed of 13 knots? I think the figure I gave is probably close to the truth, or maybe even a bit optimistic. If you think it is far off, I'd appreciate knowing your reasoning. CWM Your are just a **** hair shy of the true hull speed of my boat Charlie. Don't tell bonehead. Joe |
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