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  1. J

    Help with understanding WLL

    Thanks for adding this to consider
  2. J

    Help with understanding WLL

    Hi Murphy, thanks again. I also wanted to ask what Blair’s formula is. Is it (length +1 x Weight = force)?
  3. J

    Help with understanding WLL

    Hi Murphy, Thanks for taking the time to respond to my question.
  4. J

    Help with understanding WLL

    Hi Benjo, thank you for clarifying my questions. Could I trouble you to explain why the sling sees 2x the force that the rope does? I thought each end of the rope caught the weight of the log attached to the sling?
  5. J

    Help with understanding WLL

    Thank you Sir, When you talked about doubling line to 2/1support on pulley to load more capacity. Could you clarify? Is that double whipping? Or like a fishing pole system but with only 2 pulleys?
  6. J

    Help with understanding WLL

    Hiya Folks, I was hoping someone could help me understand what the WLL is on a negative blocking kit when all the components have different WLL ratings. For instance the WesSpur standard rigging kit has a 5/8” loopie sling, WLL 1692 lbs, with a block that has a 2000 lbs WLL. A 1/2” rigging...
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