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  1. Thread: Steel stress

    by 9100
    Replies
    25
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    4,437

    The barrel mounting has a big part in this, no...

    The barrel mounting has a big part in this, no doubt much of the reason bedding makes so much difference and can be so critical. Doing accuracy tests, I clamped a .22 target barrel in a milling...
  2. Thread: Steel stress

    by 9100
    Replies
    25
    Views
    4,437

    There is a limitation for the time a pulse takes...

    There is a limitation for the time a pulse takes to travel along a solid like steel. If you strike the end of a steel bar, there is a definite lag before it reaches the other end. Collins uses this...
  3. Thread: Steel stress

    by 9100
    Replies
    25
    Views
    4,437

    Re peak time, a bullet traveling 1000 FPS would...

    Re peak time, a bullet traveling 1000 FPS would exit a 24" barrel in 2 milliseconds. Since this is from a dead start, if it accelerated linearly, it would take 4 ms. Since it accelerates faster at...
  4. Thread: Steel stress

    by 9100
    Replies
    25
    Views
    4,437

    A ballistician said that he was often given...

    A ballistician said that he was often given shotgun loads to test. He rejected most of them because they had used slow burning powder to keep pressure up over the length of the barrel and the thin...
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