Handbook for machine designers, shop men and draftsmen (1916)
Halsey, Frederick A. (Frederick Arthur), 1856-1935 · New York, McGraw-Hill book company, inc.; [etc., etc.] · leaf 179
he diameter of the pulleys in the blocks, leaving the drums ofthe original size, as indicated by Fig. 31. This alteration can usuallybe efife.cted without serious alteration of the design, and may even becarried out on existing cranes. The result of increasing the diameter of the pulleys, as shown… … ^^__ * Ground Line British System, Open Drive Ground LineBritish System, Up and Over Drive 11 Fig. S2.—Arrangements of rope drives in efficiency tests. 162 HANDBOOK FOR MACHINE DESIGNERS AND DRAFTSMEN American British 100 S 90 80 70 i if li 100 70 100 90 80 70 10090 & 80 a 0) n 60 50 100g 90 H…
Machine design
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