wtf is a trophy sport prop? Is that a merc prop? What is the application? What boat, motor, use, intended purpose? # of blades, diameter, pitch, etc? What are your goals?
In short, this prop is better and you should buy it
It's tough to compare the two setups depending on how much cup your prop has. This prop has SO MUCH cup that it only had 8% slip at WOT!! Speed is/was not my goal at all. If speed was a goal I could've raised the motor higher to get more prop out of the water for more rpm and more speed or...
I loved it, NEVER blew out. Used on an old bass tracker III 1648 with a merc 50 on a 6" hydraulic jack plate. Never lowered the jp from full up. Ran about 31mph at about 4800rpm which if I remember correctly was 8% slip!! I should have gone higher with the motor and added a remote water pickup
SOLD
99% perfect condition.
Used for less than 20 hours
standard RIGHT-HAND ROTATION, MORE GRIP AND CAVITATION RESISTANCE THAN SWC3, EXCELLENT FOR TUNNELS, MOTOR ELEVATION, AND CAVITATION-PRONE APPLICATIONS - POLISHED FINISH ONLY
SWC4R13
10.75" diameter
13" pitch
13 spline prop shaft
4...
I must've loudly hated these things too, because when my neighbor sold her house after her husband died she put all the gas cans out at the curb during the day while I was at work. My wife excitedly texted me that she grabbed all of them for me! What a woman!!