The steam engine and turbine; a text-book for engineering colleges (1911)
Heck, Robert Culbertson Hays, 1870- · New York, D. Van Nostrand company · leaf 397
ve close at the same fraction of bothstrokes. Considering the higher piston velocity in the forward stroke,a very small unbalancing of the laps, in the direction just indicated,will be enough to secure equality in m.e.p.: its amount can be de-termined only with the help of the indicator, the… … Fig. 238. — The Variable Steam Diagram. up. They correspond with the timing of events in Fig. 237, but arelaid out in close imitation of actual indicator cards. The extra diagramA is drawn for valve closure at one-fourth of the stroke, which, how-ever, makes the effective cut-off a good deal…
Steam-engines · Steam-turbines
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