I tried the 14.25 X 18 Power Tech prop this weekend and did not like it, I'll be going back to the 15.25 X 19. At 4,000 rpm she did 27 mph and to get 30 mph took 4,400 rpm. I never got to WOT because it would have exceeded 6,000 rpm. This was with 2 adults, 2 kids, full fuel and ice. I got better speed and economy with the bigger prop.
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