Originally Posted by scooby_simon


OK: can understand that once the foils are starting to lift the boat will pivot about (or roughly about) the COE of the board; but is this still true in "non flying modes" as the boat is then pivoting about the leeward hull.

I'm no boat builder, just keen to understand this bit that I do not appear to....


Erase all this.
Lift from the foil replaces part of hull flotation at speed, so righting moment drops with speed simply because the foil's center of lift is more inboard (closer to the mast) than the float.

Cheers,
Luiz


Luiz