Seems that there are lots of opinions on how propellers work, what works ,... and what doesn't, that being because of the so many different variables ..."X" dimensions one of the big ones... bottoms surface , hooks and rockers...what the boat was designed for...some boat just plain ol have a max speed...

in this thread I will try to seek out those that really know what they are talking about, and hopefully those that what answers to what they wanna know also..