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Recent content by chickering

  1. chickering

    comparable beam strength aluminum vs steel rect tube

    I'm designing a simple shop clamp jig with 2x3 1/8 wall alum rec hollow tube which spans a 4ft span, evenly loaded. What steel profile would give comparable deflection #'s. (steel's really cheap these days) Jim
  2. chickering

    calculate beam spring rate

    Hi desertfox I assume you mean divide the load force by the worked out deflection
  3. chickering

    calculate beam spring rate

    How is spring rate of a simple end supported beam calculated. Is it simply deflecting force in lbs/deflection in inches.
  4. chickering

    piano soundboard beam deflection

    Viewed as a system, you are correct. However as independent small artisan types we don't have ready access to finite systems or other complex/expensive modeling products. The price point of this work doesn't allow for that kind of consulting for each board, so we come up with trends which are...
  5. chickering

    piano soundboard beam deflection

    I'm trying to find a formula to determine max deflection @ center of a simply supported beam, rectangular section, with 2 point loads located at non-center location. Jim
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