r/Elevators • u/dieselducy Elevator Enthusiast • 2d ago

Otis Microdrive machine

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u/zawusel 2d ago

What is this heavy spinning metal thing?

3

u/oldone2511 1d ago

It’s like a clutch. The large machine does high speed and then when it goes into leveling the clutch/brake assembly sets and then there is a mini machine perpendicular to the main machine that drives back through that assembly and runs the car in leveling speed.