Classroom on demand

Welcome to Classroom on demand, your source for educational materials related to the vertical transportation industry. This site represents the knowledge and expertise of the best engineers and mechanics in the elevator industry, and will help those new to the elevator industry learn about the basic workings of elevator systems, and also will serve as a reference for people with more experience.

Two to One Roping (2:1)

Arrangement of hoist ropes in which one end of each hoist rope passes from a dead-end hitch in the overhead, under a car sheave, up over the drive sheave, down around a counterweight shave and up to another dead-end hitch in the overhead. The car speed is one-half the rope speed.

Tags:  compound roping traction


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