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Tuesday, October 5, 2021

TRACKING WITH CLOSEUPS: Bad Rigging: Why Things Fall from Cranes

I'll bet many people using hoists fail to account for the “cosine loss” when multiple straps are used at an angle to the vertical. The shallower the angle of the strap, the more of its strength is wasted on horizontal force which simply cancels the horizontal force of the other strap(s).

Posted at October 5, 2021 13:17