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  1. M

    2 or 3 blade, Brass or aluminum??

    I have started a project on my 1950's ski boat that I am hoping to finish so I can run it this summer. What is the performance difference between 2 or 3 blade propellers with the same diameter and pitch? I have heard that 3 blades will get you a better bite, but 2 blades have less resistance...
  2. M

    Help with Michigan propeller numbers

    So I am embarking on a boating project and I need the trusted knowledge of this community. I am looking for a link to a site, book, anything that can help me determine the pitch on some props I'm looking at. I have read through all the prop posts on this site looking for some matching numbers...
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