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Help with springs!

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  • Help with springs!

    In the May/June 2000 issue of Live Steam, Kozo shows a spring index chart in his "Part 6 - Building the New Shay."
    The chart shows a line to find an unknown spring index value. Does anyone know the formula for extending that line beyond the chart values?

    It is not a straight line so I suspect it must involve an algebraic value.

    Any help with expanding the printed chart will be appreciated.

    Chet


  • #2
    Chet

    Write a letter to Neil and ask the author what he is doing.

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    • #3
      Chet,

      It will require calculus to extend the graph. Try contacting a spring manufacturer.

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      • #4
        Go to metalwebnews.com. Under the heading "Miscellaneous" is a topic called "How to make springs". It's a long, detailed dissertation on springwinding that may answer all your questions. Check it out.

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