Valve setting: simple methods of setting the plain slide valve. Meyer cut-off. Corliss. and poppet types (1908)
Collins, Hubert Edwin, 1872- · New York [etc.] Hill publishing company · leaf 186
pped before they can open. If the regulator isallowed to drop down so the knock-off cam pin will reach the point c,the valves will not pick up and will remain lapped. This peculiarity must be thoroughly fixed in mind. When an ordinary valve is at the center of its travel, it is lapped onthe steam… … FIG. 179. throw of the eccentric in one direction, and full open at the other extreme,having minus lap when at the center of travel. When the steam valve is lapped th.e proper amount, the dashpotplunger is down at the bottom of its travel, and the cranks E and E areat the lowest positions of their…
Steam-engines
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