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    Article: Porpoising - Why It Happens and How To Fix It



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  2. #2
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    Flippers!!!!!!!!!!!!!!!
    Living in the Freedom provided by Bud Conner and his fellow warriors.
    R.I.P. my Heathen Brother






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    porpoising causes

    Quote Originally Posted by transomstand View Post
    Flippers!!!!!!!!!!!!!!!
    One thing that I don't see mentioned here is engine height. Sometimes it's as simple as raising the engine higher, even slightly, since that will reduce the lever effect of the motor trim.

  4. Thanks Jimboat thanked for this post
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    Quote Originally Posted by creeljd View Post
    One thing that I don't see mentioned here is engine height. Sometimes it's as simple as raising the engine higher, even slightly, since that will reduce the lever effect of the motor trim.
    Yup! For sure you're right about engine height. The article mentions this briefly..."Change dynamic forces locationChanging motor height, engine setback or propeller selection can all change the dynamic balance of the hull – often reducing the porpoising effects...."
    Last edited by Jimboat; 09-30-2018 at 04:05 PM.

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