Steam engines, prepared in the Extension division of the University of Wisconsin (1919)
Shealy, Edward Marvin · New York, McGraw-Hill · leaf 194
btained by cutting off the steam earlier in the stroke andallowing it to expand a greater number of times. This is madeplain by considering Fig. Ill in which the full line indicatordiagram is from a plain slide valve engine and the dotted Hneshows the shape of diagram that would be obtained if the… … Fig. 112. than half as much steam is admitted to the cylinder. Thereforemore work is obtained per pound of steam with the early cut-offthan with the late one. This result is to be expected since verylittle of the expansion force of the steam is used when a late cut-off is employed. An early cut-off…
Steam-engines
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