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ivaan
01-22-2011, 06:28 AM
My first post: I have a tunnel style inflatable racing duck (Thundercat Style) and use a 55hp Seapro Mercury Outboard. My current propeller is a Quiksilver 11x18 thruhub propeller, but would like to upgrade to a 11x17 Overhub Chopper Style propeller to asist in transom lift and try to increase the rpm a bit.

Currently 6200rpm and 62mph, want to achive at least 6800rpm and around 67mph.

What would you recommend, would this be a better option? I have newer used a overhub propeller, what can I expect?

Thx:confused: