230721 Nice summer day sailing 

Around 30miles?

@@sailboatbiscuit Hmmm.. a bit shorter distance than I had thought of it. I guess this is because it is a small boat.

@@MS-ji6oj She can cruise only 4-4.5knot in normal good wind. Length of water line is only 5.7m long😎

On Haber's website, it says 6.5 knots theoretical speed. Big difference with reality..

Theoretical speed is determined by water line length. 6.5knot = almost 7.4 or 7.5m water line. Maybe you confusing Haber 800 and 660? My boat is Haber 660. Her water line length is 5.7m, So theoreical speed is around 5.8 knots. Theretical speed mean MAX speed. Theoretical speed = Hull speed en.m.wikipedia.org/wiki/Hull_speed