Pulley system efficiency tests with MAESTRO, I’D S, PRO TRAXION, ROLLCLIP…
There can be a big difference between the theoretical efficiency of a pulley system and its actual efficiency. Here are test results from the Petzl lab. From Gear In Use 4: Rope Access and Confined Space 1. Efficiency depending on the device used at the head of the system. The force required to raise a …
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