Locomotive catechism; an up-to-date, practical and complete work on the locomotive--treating on the design, construction, repair and running of all kinds of locomotives .. (1908)
Grimshaw, Robert, 1850- [from old catalog] · New York, The N. W. Henley publishing company · leaf 255
s are used; (2) the exhaust steamcoming in contact with the valve throws it out of its normalposition, wearing the valve gear and causing pounding of rodsand boxes. Q. How may this be avoided? A. As shown in the Schmidt valve here illustrated, wherethe bushing is hollow and warmed by the incoming… … Fig. 149. Piston Valve, Q. Sketch a hollow piston valve and show how the exhaustescapes? A. As in Fig. 149; the admission is between the valve ends,the exhaust at both chest ends. Q. What is one of the disadvantages of the piston valve asregards lubrication?
Locomotives
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