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Who knows props?
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<blockquote data-quote="chrispy186" data-source="post: 344083" data-attributes="member: 7184"><p>The aluminum prop on my 9.9 yamaha needs to be replaced. Its a 9.25x9 pitch. I'm thinking of going to a SS prop. Currently at WOT I'm turning 5130rpms, 16 mph at full load. The rpm range for my Yamaha is 4500-5500. I would like to see some more top speed, but I'm wondering if I will actually lose speed going down in pitch on an as prop? Or should I just go up in pitch with another aluminum? Also, using a slip calculator, it tells me I have 23% slip. That sounds high to me, anyone else?</p></blockquote><p></p>
[QUOTE="chrispy186, post: 344083, member: 7184"] The aluminum prop on my 9.9 yamaha needs to be replaced. Its a 9.25x9 pitch. I'm thinking of going to a SS prop. Currently at WOT I'm turning 5130rpms, 16 mph at full load. The rpm range for my Yamaha is 4500-5500. I would like to see some more top speed, but I'm wondering if I will actually lose speed going down in pitch on an as prop? Or should I just go up in pitch with another aluminum? Also, using a slip calculator, it tells me I have 23% slip. That sounds high to me, anyone else? [/QUOTE]
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