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the advantage of a 3:1 system

Ascenders and Clamps Technical Tips: How to calculate mechanical advantage

By / Blog, Petzl, Principles of Learning, Pulley Systems, Pulleys & Mechanical Advantage / 10 Comments

©Petzl Technical Information ©Petzl How to calculate mechanical advantage A mechanical advantage haul system reduces the effort required to raise a load. The mechanical advantage obtained is based on the pulley effect. 1. The pulley effect If we consider a load suspended on a rope, the rope passing through a pulley above the user, with …

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How To Calculate Mechanical Advantage with Petzl Gear

By / Blog, Mainline Systems and Operations, Mechanical Advantage, Petzl, Pulley Systems, Pulleys & Mechanical Advantage / 38 Comments

A mechanical advantage haul system reduces the effort required to raise a load. The mechanical advantage obtained is based on the pulley effect.   1. The Pulley Effect If we consider a load suspended on a rope, the rope passing through a pulley above the user, with the user’s hand holding the rope on the …

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