My 2016 Bennington 22 SLX SPS tritoon w/Yamaha F150 is on order and I'm doing my homework to ensure I don't spend money on a prop that doesn't work. The dealer said they will prop the boat (aluminum) when it comes in to be sure it runs proper rpms under normal conditions, but have not mentioned a size. My running conditions may not be normal for most, so I'm looking for input. I'll need a setup that can run in rough water with up to an 8 mph current. I would like to preserve top end mph in case weather becomes an issue. Using the online Yamaha prop selector tool, I have narrowed my numbers down to a 3 blade 15-15.25 diameter X 15 pitch in aluminum, or a 3 blade 14.25-15 diameter X 16 pitch in stainless. I'm not sure the stainless or a 4 blade prop would be better for my setup, but I'm open to information and experience. Thanks for your input.
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