Wouter,

Do U think pre bend makes a boat stiffer and that therefore adds to performance?

it effects tow in-out of hulls, it effects canter on the hulls, it effects the twist in the hull, it effects mast hight..gee it effects quite a bit on a catamaran.

Do U think knocking anothers class that you are not involved in helps the sport?

Do U think the F16 rules are perfect?

I dont think you need to knock the F18 to benefit the F16, to me they are targeted at 2 different audiences..

The F18 rules obviously work..there are such a variety of different shapes/designs but basically they all get to the top mark at the same time. Maybe the 15mm prebend might slightly have something to do with this. There is a lot of professionals/experts in the F18 class that are not concerned that rule is in there becuase just maybe they think it is relevant.. or do U know better.