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 28
It may be done also in thearrangement of the valve gear where rockers are used, placing the rockerarms in such position as to give the valve more rapid opening and closingmovements on the head end than on the crank end. Professor Sweet pro-vides for equal cut-off in this manner. Similar… … FIG. 16. for the latter. To equalize the compression, therefore, it is customary touse less inside exhaust lap at the head end than at the crank end. Or, thecrank end may be made line and line if the cylinder clearance is small,and the lap at the head end is cut away so as to give negative lap at…
Steam-engines
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