drop-bottom car

drop-bottom car

A mine car so constructed that all the haulage motor has to do is to pull the loaded trip across the dump. A trigger trips the flaps in the bottom of the car, allowing the coal to drop out, and a second one closes the flaps as the car leaves the dump.

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Part of Speech: noun
Synonym(s):
Blossary:
Industry/Domain: Mining
Category: General mining; Mineral mining
Government Agency: USBM
Product: Dictionary of Mining, Mineral, & Related Terms - 2nd Edition
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