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 105
e we find that 6.7 inthe 12 per cent, column is the nearest figure to 6.66, and is nearenough for the purpose. The required speed range should then have a percentage of dropfrom speed to speed of 12 per cent., with 150 as a maximum. Plotout speeds, following the same method as in the previous… … = iSoX ISO = 123.6, say, 124 r.p.m. The slow countershaft speed may be found from the table of speedsgiven in Fig. 23, being equal to fast countershaft speed ratio of ist and sth speedsiSO^90 A, B, C are equal gears. D F H K , . t; ;^> -J v are equal ratios = 2.78 to i. Arrangement of speeds:1st…
Machine design
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