---

Thanks for the replies. The 20" prop is too big for this set up, but the dealer never water tested the rig, which is very disappointing the more I discover about how correct prop selection is really key.

I'm planning to try a 17" pitch as I usually have a number of people on board. This morning's run was 3 adults and 3 teens, and this afternoon's was 2 adults, 3 teens, and 3 kids. Then there's tubing...