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Re: Chines (was: steel bottom)

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  • etap28
    That would be a very bad thing to do with plywood... it has no integrity in certain applications because it s has no grain, like real wood and will crumble in
    Message 1 of 4 , Jan 10, 2011
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      That would be a very bad thing to do with plywood... it has no integrity in certain applications because it's has no grain, like real wood and will crumble in any kind of edge point load






      --- In bolger@yahoogroups.com, Kent <kent@...> wrote:
      >
      > Thanks, I had forgotten about that one. The "Sir Joseph banks" is 95
      > ft. long, built of steel, with bottom plating 3/4" thick. BWAOM says
      > that the bottom extends a few centimeters beyond the sides, to
      > protect them. The sides are of thinner steel, probably for
      > weight/stability reasons.
      >
      > So these runners are not for leeway resistance. But they do point
      > out one possible objection to runners: they're vulnerable. If the
      > boat should be grounded on a rocky bottom, or maybe a sandy bottom
      > with one big rock in an unlucky spot, a lot of weight might come down
      > on that outer edge. 3/4" steel is pretty tough, but plywood maybe not so much?
      >
      > -- Kent
      >
      >
      > >hey guys...there is a boat in "boats with an open mind" the very
      > >last boat is a tanker of sorts and the steel bottom sticks out past
      > >the sides for protection....not sure of size or measurements but,
      > >the boat was big
      >
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