Benjamin, Charles Henry, 1856- [from old catalog], Hoffman, James David, 1868- [from old catalog] joint author · New York, H. Holt and company · leaf 251
yd. wire rope still offers a cheap andsimple means of carrying power. The pulleys or wheels are entirely differentfrom those used with manila ropes. Fig. 100 shows a section of the rim of such apulley. The rope does not touch the sides ofthe groove but rests on a shallow depressionin a wooden,… … FiG. 100. ROPE DRIVES 233 eter of rope used, and run at comparatively high speeds. Theropes should not be less than 200 ft. long unless some form oftightening pulley is u^ed. Table LX is taken from Roebling.Long ropes should be supported by idle pulleys every 400 ft. TABLE LX Transmission of Power…
Machine design
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