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 26
f advance. It follows that if the lap is.50 per cent, of valve travel, theangular advance would be 90 degrees, with the exhaust opening and closingat 50 per cent, of the stroke. On the other hand, if there were no steamlap nor lead, there would be no angular advance, and the exhaust wouldopen and… … FIG. 12. been shown in Figs. 4 to 11, inclusive, and summed up at the end andfurther explained here. The amount the cut-ojff is retarded during theout stroke and hastened during the in stroke depends upon the ratio of thelength of the rod to the crank travel. In the examples already given,the ratio…
Steam-engines
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