A group of first responders used a rope pulley system to hoist five stranded tourists more than 200 feet out of the Grand Canyon Caverns in Arizona after the elevator broke down on Sunday, according ...
In the world of rope rescue, we use mechanical advantage systems really for two reasons. The first being a force increasing tool and the second, a means of reducing the weight of a load during a ...
The HitchMaster is a simple pulley with no moving parts. Like any pulley, it works by trading force for distance: it's easier to lift, say, an engine block, but you'll have to pull the rope a lot ...
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