On Tue, 28 Aug 2007 17:53:17 -0400, Wayne.B
wrote:

There are sail boats that will plane off at literally 2 and 3 times
theoretical hull speed, skimming along the top of the water. It's all
a function of weight, length, bottom shape, sail area, etc.

Class A racing scows. 38 feet, 35MPH. At least one of the persons
commenting on hull speed did mention ' displacement hull '.
Hull speed is meaningless for planing hulls.

Casady