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 189
oints Relating to Belts. 1. The amount of power that a belt of given size can transmit is nota very definite quantity. The rule just given is conservative and willgive an amply large belt for ordinary conditions. 2. A belt should make a straight run through the air and over thepulleys without… … Fig. 448.—Right way to run a belt. The pull should come on the lower side bringing theslack on top. 3. When belt fasteners give way there is too much strain upon belt.The greatest amount, of slack in a belt is found where it leaves the drivingpulley, hence the tightener should be near the driving…
Electrical engineering
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