What? This seems upside down to me. If you want to lift the lee hull to make better speed- just lift the lee hull with a forward-placed lifting foil. (inward canted or new curved A-cat foil)
But to hold down a lee hull by putting downforce on the rudder? Insanity!


Dacarls:
A-class USA 196, USA 21, H18, H16
"Nothing that's any good works by itself. You got to make the damn thing work"- Thomas Edison