International Library of Technology · Scranton, International Textbook Co. · leaf 152
nd, {a) What will be thetotal torque exerted on the armature ? {b) What will be the pullexerted at the rim of the pulley ? Solution.—{a) We have for the total torque3,000,000 X 350 X 30 T = .00117 X lOs 26.3 foot-pounds. Ans. The useful torque will be 26.3 - .5 == 25.8 ft.-lb.(<5) The radius of… … Pig. 1413. Fig. 1412 represent the pole-pieces and armature of a two=pole motor, and suppose current to be sent into the armature 2528 MOTOR DESIGN. so that it flows, say, downwards through the paper in theright-hand conductors and upwards in those on the left.We will suppose for the present that…
Electrical engineering
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