keel and rudder

Discussion in 'Sailboats' started by Minthihakyaw, May 22, 2015.

  1. Minthihakyaw
    Joined: Apr 2015
    Posts: 11
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    Location: Myanmar

    Minthihakyaw Junior Member

    I am a student studying naval architecture. Now i have a project,design of sailing yacht. But I don't know how to design the keel and rudder. My yacht has about length of 28 m.
    Is there any rule for keel and rudder?
    and i want to to know how to position them and what formulae should i be used. sorry for my little knowledge and poor eng.Plz guide me.
    With best wishes
     
  2. Skyak
    Joined: Jul 2012
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    Location: United States

    Skyak Senior Member

    There are many rules for keel and rudder design and they depend on all the other dimensions of the boat. As a student I am sure you have many books to guide you. My favorite is "Princicals of Yacht Design" by Larson & Eliasson. Many amateurs get by with proportions, simple estimates, and proven profiles, but for college credit I think you are going to want to do the actual 3 dimensional force diagram and show that heel and leeway are not excessive and the boat has mild weather helm and plenty of rudder lift before stall for control and maneuverability.
     
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