The flex between hulls should be no more than the thickness of Wouter's little finger according to one of his previous posts.
This applies ONLY to one specific F16 design made by one specific builder.
For such a scientific man it is very amusing that he uses his digits for measuring and probably counting
This coming from a guy belonging to a people who still measure all distances in the length of a dead kings foot or thumb (inch). <img src="http://www.catsailor.com/forums/images/graemlins/grin.gif" alt="" />
Wouter