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Tag Archives: mechanical


Rolling Stock Terms

This page will be continuously updated… Accelerometer A device that can measure acceleration generated by the movement of an object along an axis. Adhesion (Coefficient of) During rolling contact, the … Continue reading

Critical Velocity for Smoke Control

The ventilation system would be operated to force the  smoke and hot gases in the direction of the empty tunnel to provide a clear and safe environment behind the fire … Continue reading

Coupler

A coupler, or coupling, is a device for joining rail vehicles in a train. There are two different kinds of couplers in the units: Automatic couplers on both unit ends (driver … Continue reading