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  1. #1
    mstennes's Avatar
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    Impeller differences, apps, uses's, etc between 14/19, 15/20, 15/21 and 15/22

    So I looking at impellers here, I need a 15/20, but I'm looking at what the difference is between the 15/20 the 15/21 and the 15/22, I see 15/21's for sale, etc.
    Im my collection I have a 14/19, 15/22 but no 15/20, what are the uses and or the perforrmance gains or losses between these? Heck, what are the applications for them?
    Thanks!


  2. #2
    mstennes's Avatar
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    No one?

  3. #3
    speedskixp's Avatar
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    Quote Originally Posted by mstennes View Post
    No one?
    The 15/20, 21, and 22 are all very similar. Actually the 21 and 22 are the exact same prop IMO. I believe riva has the rights to the 22's so they are being sold as 21's elsewhere. The only reason you would want to buy a 21 or 22 is if you knew a 20 isn't enough and will be on the limiter. However, if you already have a 20 it can be pitched to a 22 with the same results and there is no need to buy a new prop. Hope this helps.

  4. #4
    mstennes's Avatar
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    Quote Originally Posted by speedskixp View Post
    The 15/20, 21, and 22 are all very similar. Actually the 21 and 22 are the exact same prop IMO. I believe riva has the rights to the 22's so they are being sold as 21's elsewhere. The only reason you would want to buy a 21 or 22 is if you knew a 20 isn't enough and will be on the limiter. However, if you already have a 20 it can be pitched to a 22 with the same results and there is no need to buy a new prop. Hope this helps.
    I do need a couple new props, my stage 3+ is on the limiter with a Skat 3 blade 15/19, so Im going to try a Solas 4 blade 15/22, andd I need to install a 15/20 in my rock crusher boat to replace the destroyed one, and I need a 15/22 for my PX

  5. #5
    Lbaronio's Avatar
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    Ill already install the 15/22 in my PWC and the RPM goes down from 8400 to 7900..., hopefully they lend me the impeller for triying, and as everyone says around here the best match its the 15/20 4blade...

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