Steam engines, prepared in the Extension division of the University of Wisconsin (1919)
Shealy, Edward Marvin · New York, McGraw-Hill · leaf 166
which the full line diagram shows cut-off at seven-eighthsof the stroke with the corresponding compression, and the dottedlines show the greater expansion for cut-off at half stroke with thecorresponding compression. With the cut-off at half stroke thegain in economy from the greater expansion is… … FiG. 89. ical in the use of steam; that is, it cannot use the full expansiveforce of the steam as can engines which have separate valves foradmission and exhaust. The valve diagram in Fig. 88 shows the events occurring inonly one end of the cylinder, namely, the head end. The samediagram may also…
Steam-engines
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