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REVIEW of the Petzl TWIN RELEASE pulley for mechanical advantage with built in progress capture (Climbing Arborist) View |
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How to Use Mechanical Advantage to Pull Trees and Lift Logs (TreeStuffdotcom) View |
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Complex 5 to 1 Haul System made easy (PerryFire) View |
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Mechanical Advantage and Hauling Systems by Smile Mountain Guides (Smile Mountain Guides) View |
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How to calculate the mechanical advantage of moving rope systems used by tree climbers (Eric Forsman) View |
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How to use the T Method to calculate mechanical advantage - IRATA Rope Access Training (The Rope Access Channel) View |
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Mechanical Advantage Climbing System (Para Climbing) View |
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Building Mechanical Advantage (3:1 or 5:1) (ArbCan) View |
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Mechanical Advantage is a Myth (HowNOT2) View |
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Limited gear Then check out this mechanical advantage trick! (Bartlett Arborist Supply) View |