How do I calculate displacement from weight?

Discussion in 'Stability' started by Valk, Jul 3, 2007.


  1. lewisboats
    Joined: Oct 2002
    Posts: 2,329
    Likes: 126, Points: 0, Legacy Rep: 1603
    Location: Iowa

    lewisboats Obsessed Member

    250 lbs would displace 4.0 cu ft of fresh water and 3.9 cu ft of salt water. Divide the dry weight by 62.4 or 64 lbs respectively. To establish a waterline...that's another kettle of fish. Just where the weight is placed will affect the trim of the vessel but the larger the vessel the less affect the placement of moderate weights will have. 200 lbs in a 50 lb boat will have an enormous effect for even a small movement of the center of mass, whereas 200 lbs in a 5000lb boat won't do all that much at all.

    Steve
     
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