Cat Boat rudder

Discussion in 'Boat Design' started by eyschulman, Nov 30, 2018.

  1. eyschulman
    Joined: Jul 2011
    Posts: 253
    Likes: 8, Points: 18, Legacy Rep: 77
    Location: seattle Wa USA

    eyschulman Senior Member

    I own a 18 ft Marshall Sanderling cat boat with a shallow barn-door rudder. The boat is only sailed in deep water and the rudder is mounted with pintels. What would be the expected results of using a 36 inch depth modern foil rudder perhaps even with end plate wings on this boat other than ripping rudder off if I hit something very very unlikely where and how boat is used.
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