On Tue, 18 Sep 2007 06:37:54 -0700, Joe
wrote:

The prototype's creator, Jim Harrington, equipped the sailboat with a
300-watt Horizon fuel cell system with the hydrogen supplied by NRC in
Vancouver and the only by-products of the operating fuel cell being
heat and water.

300 watts is less than 1/2 hp. No wonder they didn't reach their goal
of 6.5 kts. They need at least 20x more power, and then there is the
hydrogen generation or storage problem to be solved.