Handbook of Railroad Construction; For the use of American engineers. / Containing the necessary rules, tables, and formulæ for the location, construction, equipment, and management of railroads, as built in the United States.

by George L. Vose

or, algebraically,

(W × R) + (WR
L) = T,

the letters standing for the same quantities as above.

No. 3.

350. To find the weight to place on the driving wheels.

Formula.

6T,

where T is the whole tractive power. (Table 3.)

Nos. 4 and 5.

The tractive power of an engine is expressed by