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  1. #1
    MR. SCOVILLE UNIT SUCKMYWAKE's Avatar
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    cupped impellers?????

    i am toying around with a cupped version of our gpr impellers. i know alot of the high horsepower, flat bottomed boats run them. was wondering how they would work in our application.


  2. #2
    Me Hahn and Joe H204YOU's Avatar
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    Quote Originally Posted by SUCKMYWAKE View Post
    i am toying around with a cupped version of our gpr impellers. i know alot of the high horsepower, flat bottomed boats run them. was wondering how they would work in our application.
    I would think it would hurt Rpm's,kinda like overbite.I would think it would take a big bore to turn it also.A friend of mine owns one of the largest prop shops around.Last year we talked at great length about a mod that kicks the last 1/8 inch of the trailing edge,he said a jet ski racer buddy of his said it was good for a little on the top end.Ive got one half done,but its back burnered at the moment.A few of the empellor gurus have toyed with the "Kick" but its all pretty hush hush.Thats about all I know about it.

  3. #3
    MR. SCOVILLE UNIT SUCKMYWAKE's Avatar
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    that settles that

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