turning radius

Discussion in 'Boat Design' started by sidthecoolguy, Oct 6, 2007.

  1. sidthecoolguy
    Joined: Sep 2007
    Posts: 13
    Likes: 0, Points: 0, Legacy Rep: 10
    Location: Arlington, Tx

    sidthecoolguy Junior Member

    Hi,
    I am trying to compare the turning radius of a catamaran and a standard v hull. Both the boats are suppose to carry a 50lbs (total including the boat and payload).
    I need some solid formula to compare the turning radius for the two. Can somebody give me a formula or a link to something where i can find it. The boat has a maximum speed of 10mph.
    I need the radius as a function of size of the boat, velocity, angle of the rudder etc...
     
    sidthecoolguy, Oct 6, 2007
    #1
  2. sidthecoolguy
    Joined: Sep 2007
    Posts: 13
    Likes: 0, Points: 0, Legacy Rep: 10
    Location: Arlington, Tx

    sidthecoolguy Junior Member

    can anybody please help me with this??
     
    sidthecoolguy, Oct 7, 2007
    #2
  3. Guillermo
    Joined: Mar 2005
    Posts: 3,644
    Likes: 189, Points: 63, Legacy Rep: 2247
    Location: Pontevedra, Spain

    Guillermo Ingeniero Naval

    Perhaps these can be of help:

    "Prediction of Craft Turning Characteristics"
    Marine Technology. Vol. 28 No. 1 January 1991. Pages 1-13. By Stephen B. Denny and Nadine Hubbie.
    A procedure is presented for predicting steady turning radius and turning rate of planing and displacement craft equipped with conventional propeller and rudder arrangements. The procedure enables prediction of turning characteristics for various rudder angles and approach speeds. Predictions of steady turning radii are compared with actual trial data for craft up to 110 ft in length. General graphs are presented which can be used by designers and craft operators to estimate approximate steady turning radius and turn rate when a minimum of craft information is available.

    "Manueverability of High-Speed Power Boats"
    Lewandowski, Edward
    Power Boat Symposium 1993 2/9/1993

    Cheers.
     
    Guillermo, Oct 7, 2007
    #3
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