Josh Assing wrote:

OK, I can't see going beyond a 17P SS 3 blade. Double cup, wide(er)
blades, maybe down 1/2" in diameter at most.

If you can get to a popular anchoring spot in season & strike up
conversations on props, you may find some folks who would like to try
your prop & your spare, and you theirs. I'm assuming your an
Alpha(drive), so there will plenty of those around.

Good idea.

What's the bennefit of going down in diameter?


Less drag. Slight increase in RPM.

The whole prop selection process is a balancing act.

Rob