Inboard fixed vs. folding prop & ratings
In Nova Scotia we used to have that adjustment as well. Boat was rated with a folding prop and no adjustment for a fixed two blade.
That was changed last season by the handicap committee. A fixed two blade is a 6 sec per mile adjustment and a fixed 3 blade is 12 sec. (We use ASPN so 1 ASPN point is roughly 6 sec per mile).
Prior to this chane in ratings a study of many other PHRF associations was undertaken. It appears that most give a rating adjustment for a fixed two bladed prop...