Railroad construction. Theory and practice. A textbook for the use of students in colleges and technical schools by Webb Walter Loring 1863-1941

Author:Webb, Walter Loring, 1863-1941
Language: eng
Format: epub, pdf
Tags: Railroads
Publisher: New York, J. Wiley
Published: 1913-03-25T05:00:00+00:00

BAILROAD CONSTRUCTION.

§ 312.

ing action in the journals is thus practically avoided, since a small pressure at the journal-boxes at each end of the axle suffices to keep the axle truly in line.

Fig. 175.

Fig. 176.

On the other hand, when the wheels are rigidly attached to their axles, both wheels must turn together, and when rounding curves, the inner rail being shorter than the outer rail, one wheel must slip by an amount equal to that difference of length. The amount of this slip is readily computable:

Longitudinal slip =

'360^

(r2

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