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- · New York, T. Audel · leaf 151
?s safe practice for single belts in good conditiona working tension of 45 lbs. per inch of width. ALTERNA TORS 1,139 Ques. What is the best speed for maximum belteconomy? Ans. From 4,000 to 4,500 feet per minute. EXAMPLE.—What is the proper size of double belt for an alternatorhaving a 16 inch… … Fig. 1,384.—Fort Wayne revolving field belt driven alternator. It is designed for beltedexciter, having a shaft extension at the collector ling end for exciter driving pulley. Horse power transmitted per inch width of double belt at 4,188 feetspeed 1,140 HAWKINS ELECTRICITY Width of double belt for…
Electrical engineering
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