Benjamin, Charles H[enry], 1856- [from old catalog] · New York, H. Holt and company · leaf 253
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 used. Table LX is taken from Roebling.Long ropes should be supported by idle pulleys every 400 ft. TABLE LX Transmission op Power…
Machine design
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