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Thread: just a question

  1. #1

    Join Date
    Jun 2005
    near detroit michigan

    just a question

    Has any body found any gains from knife edging the ride plate,and sharpening the intake grate?

  2. #2
    Gotta love this sport! 05Limited's Avatar
    Join Date
    Apr 2005
    Stockton, CA
    Knife edging the ride plate can't hurt. I did it because I realized significant gains during my "go fast" runabout days. Gained something like 2mph on my 22ft. Wellcraft. The rule of thumb was, if you are 70+mph (and who would of thought this would ever apply to PWC's) then the hull would benefit from knife edging.

    I can't quantify any gain on my Seadoo, but I couldn't stand looking at that radiused trailing edge

    However, it's been proven time and again... DON'T knife edge the intake grate!


  3. #3
    Site Admin Green Hulk's Avatar
    Join Date
    Apr 2005
    Morgan City, LA
    Mine is knife edged and i didnt see any gain from it.

    You definately dont want to sharpen the grate. The leading edge must be round. Just like on an airplane wing

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