The electric motor and the transmission of power (1906)
Houston, Edwin J. (Edwin James), 1847-1914, Kennelly, Arthur E. (Arthur Edwin), 1861-1939, joint author · New York : McGraw Pub. Co. · leaf 132
FiG. 23.—Eqcjilibrium of Two Equal and OppositeTorques. pended over this pulley; or, a torqueof 100 pounds at a radius of one footis the same as that exerted by 25 poundsat a radius of four feet. In fact it isclear that if the two pulleys P and P\ 124 THE ELECTRIC MOTOR AND were mounted side by… … Fig. 24.—Diagrams of Torque. and opposite, or the shaft would remain inequilibrium, as in Fig. 23. Fig. 24, represents a torque of 20 pounds-feet, acting about the axis of each of thethree pulleys Pj P^, and P3; for, at P^, wehave a force of 40 pounds weight acting THE TRANS3IISSI0X OF POWER. 125…
Electric motors
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