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 237
. What is the travel of a valve? A. The entire distance that it moves along the valve seat,irrespective of whether its motion causes port opening or not;this being in locomotives a variable quantity, according towhether there is demand for earlv or for late cut-off. 230 LOCOMOTIVE CATECHISM. 0.… … Fig. 134. Slide Valve. unequal length, then the valve travel will have the same rela-tion to the eccentric throw as the rocker arm next the valvestem has to that below it. Q. What is the difference between the l(throw and theeccentricity of an eccentric? A. The throw is twice the eccentricity; the…
Locomotives
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