Both rudder and planes response depends on square of speed (and since LA has about same rudder and rear planes the amount is same too). But ! There are forces which work agains planes. Dynamic stability of the body in the first place, and it's amount too raises with square of speed.
Also sim3 model does not use front planes. I already have new model with front planes. They do not pitch the boat as the primary effect, but as they move center of the boat down, dynamic stability will do the pitch anyway. With front planes the down-pitch can be done a lot faster.
I'll release sim4 with forward planes today I hope. I'll check the pitching effect and how it depends on speed exactly, it's quite possible there are some bugs in it.
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