locomotive gradient

locomotive gradient

[‚lō·kə′mōd·iv ¦grād·ē·ənt]
(mining engineering)
The gradient set by law for a locomotive haulage; maximum is 1 in 15, but the limit for practical purposes is 1 in 25.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.