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Entertainment Rigging for the 21st Century by Bill Sapsis

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10

The Mechanics of Stage Automation

DAN CULHANE

Winches and hoists have been traced back to the Greeks, who considered them their “deus ex machina” or “god of the machine.”

A hoist is a winch that raises and lowers battens, electric sets, scenery, orchestra shells, and almost anything else. In this chapter, we will be using the terms “winch” and “hoist” interchangeably. There are dead haul winches that lift the entire weight of the flown element and there are counterweight assist winches, where the weight of the flown element is partially counterbalanced by a counterweight allowing the hoist to lift only the imbalanced weight of the system. At a minimum, a hoist has one lift line, more often they have two or more. There are three types of dead ...

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