Lessons in practical electricity; principles, experiments, and arithmetical problems, an elementary text-book (1902)
Swoope, Coates Walton. [from old catalog] · New York, D. Van Nostrand company · leaf 422
-pends upon two factors, the speed and the torque, and isequal to the product of these factors, % 213. The term torque is aj)plied to the twisting force Avhich is produced inthe armature when a current is sent through it, and repre-sents the effort made to cause rotation. This effort is madeup of… … DIRECT CUnnENT MOTORS. 403 shaft to the point at which the pull is applied. For exam-ple, suppose that the turning effort of the motor pulley, P,one foot in radius, Fig. 376, is just balanced when a weightof 1000 pounds is supported from the pulley; the torque,which is measured in foot-pounds, is…
Electricity · Magnetism
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