Steam engines, prepared in the Extension division of the University of Wisconsin (1919)
Shealy, Edward Marvin · New York, McGraw-Hill · leaf 216
will be closed by the gradual motion of the eccentric on its returnstroke. Since the eccentric is set a little more than 90° ahead ofthe crank it will reach the end of its stroke before the crankreaches a vertical position, representing mid-stroke of the piston.This will be made clear by referring… … and the valve has been opened an amount equal to the lead. Thevalve may be tripped by the knock-off cam at any time while theeccentric is moving through the angle between E and E\ Dur-ing this time the crank is moving from the position OC to theposition 0C\ This is somewhat less than half the…
Steam-engines
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