Creighton, William Henry Paul, 1859- · New York, J. Wiley & sons; [etc., etc.] · leaf 127
tain the effects on the crank end, the point Q, oppositeP, must be used as the center of the lap circles since the angularadvance and throw of the eccentric are fixed quantities. The lapsand leads may be the same or different from those on the headend. The effect of changes can only be determined… … Fig. 74. cut-off, exhaust opening and closing, will be different at the twoends. An examination of the fundamental principles of all forms ofslide-valve diagrams will show that they depend on laying offthe angular advance on one side or the other of either a verticalor a horizontal line and the…
Steam-engines · Heat-engines
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