Ripper, William, 1853-1937 · London, New York [etc.] : Longmans, Green and co. · leaf 117
4 shows the effect of regulating the cut-off with a slide-valve high-speed engine. Here the cut-off jDoint is much less definitethan with a trip gear (Fig. 113). In the non-condensing diagi-ams (Fig. 112) with an early cut-off,it is seen that the expansion line falls below the atmospheric line,and… … Fig. 113. Fig. 114. of fall to the back-pressure line. This is a most wasteful form ofdiagram. In condensing engines with a good vacuum, a loop is notformed even with a very early cut-off (Fig. 113). Where it is necessary to work regularly with a very early cut-off,the conditions are uneconomical,…
Steam-engines
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