mechanical advantage pulley system

The Differences and Similarities of the AZTEK Elite and Pocket Hauler

Meet The Players… The AZTEK Elite and the Pocket Hauler. Compact pulley systems have been in use for a long time, but the AZTEK in its current version is really what is known best. The original version (AZTEK Pro), is Sterling’s Pocket Hauler, includes these mini double pulleys and had a progress capture prusik at …

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A Couple of General Rescue Principles-Human Leverage Is Quickest

Counterbalance Technique This is a counterweight system. The rescuer is on one side, the victim on the other.  The rescuer unweights the rope on the vicim’s side by pulling on it.  The victim ascends and the rescuer ascends.  The advantage of this system is that it is easy to do with little equipment.  Engaging the …

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