Creighton, William Henry Paul, 1859- · New York, J. Wiley & sons; [etc., etc.] · leaf 113
eam lap + steamlead. To do this we must rotate the eccentric ahead of the 90°position some angle, a, such that r sin a = steam lap + steamlead. This angle, a, marked coe in Fig. 63 or DOE in Fig. 67 iscalled the angular advance. Fasten the eccentric to the shaft{90°+ a) ahead of the crank. If the… … Fig. 67. dead-center OC the valve has been moved Ed = r sin a = lap 4- thesteam lead from its midposition. If the crank rotates through VALVE-DIAGRAMS AND SLIDE-VALVES. 93 an angle, 6 (carrying the eccentric through the same angle, as theeccentric is fixed now to the shaft), the eccentric will be…
Steam-engines · Heat-engines
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