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.

Rope Compensation

When the hoist ropes reach a certain length, their weight can affect the balance of the car. A compensating rope is used to counter-balance the weight of the hoist ropes. This creates an equal distribution of the load on the drive sheave and motor, regardless of the car's position in the hoistway. One end of the compensating rope is fastened to the bottom of the sling and the other end is attached to the bottom of the counterweight frame. Compensating ropes are generally used when the travel is 100 Feet or greater.

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