Nozzles and Fins

Discussion in 'Hydrodynamics and Aerodynamics' started by david@boatsmith, Feb 11, 2018.

  1. david@boatsmith
    Joined: Aug 2008
    Posts: 123
    Likes: 12, Points: 18, Legacy Rep: 75
    Location: Jupiter Fl USA

    david@boatsmith Senior Member

    Our current project is a 50' Wharram. It has design displacement of 33,000 lbs
    Power is two 150 hp Yamahas mounted amidships with 30" legs. I am wondering if Kort nozzles or ventilation plate wings will offer significant improvement in top speed.
    Wharrams are doubled ended with a tendency to pitch. I am wondering if some horizontal fins aft or on the rudders would help this and als help the boat use some of this power.
     
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