Join Date: Sep 2008
Location: Victoria B.C. Canada
Thanked 101 Times in 92 Posts
Rep Power: 9
Hull speed is not indicative of how a boat sails really. It is generally considered to be 1.34 x square root of the waterline length.
A barge with the same waterline would have the same theoretical hull speed - but it wouldn't sail nearly as well.
Living aboard in Victoria Harbour