Re: Rule 10 and rule 18?
Sometimes sailing by the lee is faster than ddw. It can create flow over the sail, which is better than having the air simply stall out and create turbulence when it hits a flat surface perpendicular to its direction. Catboats, with their big mains providing all the power, frequently end up sailing by the lee on purpose because of this, when the course is ddw. It's a little like sprit boats going 'way off on a reach instead of ddw, because it's faster for them to do it that way.
Last edited by paulk; 08-24-2012 at 10:15 PM.