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 131
100Fig. 22.—Torque Exerted upon Shafts by WeightsSuspended over a Pulley. were capable of exerting a twist or torqueabout the axis of the armature, representedby the pull of 100 pounds weight, sus-pended over a pulley P^ Fig. 22, 1 foot inradius; then it will be evident that if the THE TRANSMISSION… … 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…
Electric motors
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