Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 308
in-creased, and for transmitting the same power, its width decreased. By experiments of H. B. Gale at the Washington University, St. Louis, thepractical limits of speed of belt may be taken at from 3,000 to 7,000 feet perminute. The flesh side of leather possesses much greater tension than thegrain… … Fig. 651. It does no particu- John T. Henthorns formula for double belts is H. P. or 450 450 per inch in width, in which D is the diameter of pulley in feet, R the revolu-tions per minute. This is expressed graphically in Fig. 652. Use of Diagram.—To find the horse power that can be transmitted by…
Mechanical drawing
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