Building a Z-Rig 3:1 Mechanical Advantage Hauling System
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Z-RIG: Building Instructions (Mechanical Advantage System for Pulling and Hauling) for Arborists!
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Building Mechanical Advantage (3:1 or 5:1)
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This is how simple pulley systems work - Rope Access Rigging
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Mechanical Advantage - Pulleys
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Limited gear? Then check out this mechanical advantage trick!
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Fiddle Block 5:1 Mechanical Advantage Basics | Arborist Rigging Essentials 2019
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