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Q&A Double Mariner Mechanical Advantage

TLDR: This is a very common setup here and intuitively I always thought it was 4:1. So I needed to check more rigorously and the result is: Petzl made their homework, it is 7:1. Let me try to expla...

posted 7y ago by imsodin‭  ·  last activity 7y ago by System‭

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