http://www.catsailingnews.com/ So this is what it is really like at the top of the pyramid - Apparent wind is the saving grace, and I bet the leaders have some foiling experience so they can keep boat speed up in the waves by over trimming the main and doing some needlework across the waves. Just a late night guess... this does illustrate the importance of safety boats. I wish we had some RIBs on Pensacola Bay.