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    Shock load

    Not to bore everyone, but check out the Rigging Report We have evaluated a test series that Ken Palmer and Michael Tain did at Samson on the strength of knots in rigging lines and slings when attached to logs. Unfortunately the results are not available in an article yet, so you would have to...
  2. A

    Shock load

    Sorry to be a smart , but distance of fall in mechanics is calculated from the center of gravity before the drop to its position after the drop. Peter Donzelli has described that very well in The Art and Science of Practical Rigging. But please, forget about mass increases with every foot a...
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    Shock load

    During the Rigging Research for the British HSE and Forestry Commission, we tested the rule of thumb discussed in this thread against the forces measured when logs were snatched in a snubbed-off scenario. It did not work all that well, I have to say. The whole forces in rigging issue does not...

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