Help With Economical Semi-Planing Designs

Discussion in 'Powerboats' started by SAQuestor, Apr 5, 2007.

  1. tom28571
    Joined: Dec 2001
    Posts: 2,469
    Likes: 112, Points: 63, Legacy Rep: 1728
    Location: Oriental, NC

    tom28571 Senior Member

    Yes, if I understand what you are referring to. A chine or other appendage on the side of he boat that that has a down transverse angle and contacts the water will do this. I think the principle reason is that forward motion causes water to enter the opening of the overhang and slaps against the hull when it reaches the end. Air trapped in the slot also has an effect but I'm not sure of the details. Shannon's SRD would be similar and larger so probably louder.
     

  2. rustybarge
    Joined: Oct 2013
    Posts: 533
    Likes: 3, Points: 18, Legacy Rep: 37
    Location: Ireland

    rustybarge Cheetah 25' Powercat.

    xxxxx
     
    Last edited: Nov 21, 2013
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