Hawkins electrical guide ... : questions, answers & illustrations : a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications ; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833-1928 · New York : T. Audel & Co. · leaf 165
motor having a two foot pulley,be such that a weight of 500 lbs. attached to the rim. is just balanced,and the speed be 1,000 revolutions per minute, what is the horsepower? MOTORS 377 Here, the distance that the pull acts from the center of the shaftis one foot, hence for each revolution the… … Fig. 427.—General Electric type CQ Motor. These motors range in capacity from \ to20 horse power. The small sizes are bipolar, and the larger sizes have four poles. Forinstallations where the motor is exposed to dust, mechanical injury or moisture, it maybe partially or entirely enclosed by means…
Electrical engineering
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