I think I've figured out the bow rising issue. I suspect what I've been saying about the bow rising applies to displacement hulls only. I've only used that observation on full disp boats and the concept of hull speed is somewhat meaningless on any other type so I was sharing that w you not knowing other hull types don't respond the same way. I've heard the bow rising concept on BoatDesign and other places. I'm not the only one that has had that concept. So maybe that explains it??