Re: Speed

Gregory (gkyu@home.com)
Thu, 22 Jul 1999 18:33:44 -0700


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West Wight Potter Website at URL
http://www.lesbois.com/wwpotter/
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Yeah, Jerry! There were a few moments when the reading was at 8.2 mph. Wasn't
that a GREAT SAIL!
Greg Yu
HMS-18 #63 'Sampan'
San Francisco Bay Area

Magico1@aol.com wrote:

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> West Wight Potter Website at URL
> http://www.lesbois.com/wwpotter/
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> The Hull Speed formula is a fairly accurate, however the Potter hull isn't
> conventional. The P. 19 hull has hard chines with a V at each end with a
> almost flat center section. She has low wetted surface, and at 14 degrees of
> heel she will lift half the hull out of the water. I would call it a semi
> planing hull, and you can get 6.5 knots out of these boats. Last weekend I
> was sailing South S.F.Bay, we were sailing next to Greg Yu in Sampan at high
> tide and his GPS showed 7 MPH.
> Think of a Hobie 16, it doesn't have a planing hull but it can exceed 20
> knots. The real proof of a Potters speed is when we pass a 30 footer.
> Jerry Barrilleaux HMS 18 # 48 & P. 14 # 564