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 112
^ equalizing the leads and compressions,particularly the compressions, but to makeour instructions cover all possible cases weAvill suppose that the eccentric is out of po-sition by an indefinite and, unknown amount. In that case, the only test of the proper length of the rods is equal-ity of… … FIG. 105B. 102 VALVE SETTING showing in each, ease (by marks on the valve, remember) measured andcompared and if found unequal, the length of the connections changedby an amount equal to one half the difEerence between the two openings,lengthening or shortening as required so as to throw the valve…
Steam-engines
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