That's a great result for a boat that's only been on the water for a short time, were the boats out of the box or did they have to do some alteration to the boats before the race?
link to 2013 texel vid
http://www.youtube.com/watch?v=zSFGm7XY9m4looks like at least 20knts. Only 1 F18 beat the first N17. Nacra has a very strong presence at that regatta, being a Dutch company at the worlds largest cat race held in Holland.