gravity railroad


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gravity railroad

[′grav·əd·ē ′rāl‚rōd]
(engineering)
A cable railroad in which cars descend a slope by gravity and are hauled back up the slope by a stationary engine, or there may be two tracks with cars so connected that cars going down may help to raise the cars going up and thus conserve energy.
References in periodicals archive ?
America's first roller coaster had its roots in the Mauch Chunk gravity railroad in Pennsylvania, a nine–mile downhill track that was originally used for delivering coal, but was soon offering thrill–rides to paying passengers.
Her investigation led her to the remnants of a recreational gravity railroad that snaked around a mountainside overlooking the city of Reading.