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    Re: Knot strength
    From: Peter Smith
    Date: 1999 Apr 06, 2:55 PM

    [Lu Abel  asked for source data on how knots affect
    rope strength]
    
    I'm on the road this week and can't check my copy, but I believe that
    Cyrus Lawrence Day's _The Art of Knotting and Splicing_ has a table for
    the commonest knots and some discussion of how the numbers were arrived
    at. You might also check Ashley or Graumont & Hensel.
    
    However, even it this is true, it's not clear that ropes of different
    materials will exhibit the same characteristics for the various knots.
    Day's text is old enough that the experiments may have been carried
    out on manila or sissal, and may not hold true for nylon and dacron,
    let alone the current exotics.
    
     -- Peter
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