You have already received many responses, but of those I glanced at, they
didn't sound 100% convincing. In any event I will give my "two cents"
worth and you can get the same information from a copy of The Annapolis
Book of Seamanship.
Hull speed is the maximum "theoretical" speed of a displacement hull and
can be calculated by taking the square root of LWL (actual length of the
waterline across your hull) and multiplying the result by 1.34. Keep in
mind your boat is a "prisoner" of the bow wave it has created. Thus the
hull speed limit. Many displacement boats can climb up (plane) and over
the forward crest, escape the wave and sail faster than the "theoretical"
speed. Also remember the LWL can be effected by how loaded the boat is,
ie. actual trace of the waterline. So hull speed is just a reference point
in the real world.
----------
> From: Steve Allman <sjallman@juno.com>
> To: wwpotter@tscnet.com
> Subject: Calculated Hull Speed of P-19
> Date: Monday, October 05, 1998 11:30 PM
>
> - - - - - - - - - - - - - - - - - - - - - - - - - - -
> West Wight Potter Website at URL
> http://www.lesbois.com/wwpotter/
> - - - - - - - - - - - - - - - - - - - - - - - - - - -
> Has anyone out there ever calculated the hull speed of a Potter 19? Any
> info would be appreciated.
>
> Steve.
>
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