Machinists' and draftsmen's handbook, containing tables, rules and formulas, with numerous examples explaining the principles of mathematics and mechanics as applied to the mechanical trades; intended as a reference book for all interested in mechanical work (1910)
Lobben, Peder, 1858- · New York, D. Van Nostrand company · leaf 377
n the arms may be consideredF,G 4 ______ as a beam fastened at both ends and uniformly loadedthroughout its whole lengthequal to that amount of cen-trifugal force in the rimwhich is resisted by thearms; therefore, the rims oflarge pulleys should alwaysbe ribbed on the inside.(See cross-section of… … FLY-WHEELS. 359 and is very innocent as long as the pulley is standing still, butimagine what stress it will produce on the rim of a 6-foot pulleyrunning at a rim speed of 80 feet per second.Solution: cf= ^JiA = 331 pounds.3 X 32.2 Thus, when that pulley is running at a speed of 80 feet persecond…
Mechanical engineering
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