Carl,

The idea is to temporarily increase the footprint of the forward part of the hull, to make planing easier - it has few to do with foils.

I will try to attach a drawing (maybe with the new on screen help I will finally succeed).



I have been exchanging ideas about foils with another great guy, with decades of experience with foils. When he is not too busy Aldis Eglajs clarifies my doubts.
I am not nearly bright enough to truly exchange ideas with him, but he still answers because I am building a boat that he designed - the Catri