Modern locomotive engineering, with questions and answers .. (1913)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & co · leaf 274
is used.Serious compli- Figure 125 cations have arisen from this being disregarded. In setting the piston valves, only the high-pressureports are to be considered. Both heads of the sieamchest are removed, and with a tram, from some pointon the body ot the cylinder to the valve stem, the lineand… … 268 LOCOMOTIVE ENGINEERING can be ascertained, and the opening of the ports notedby the distance from the point of the tram to the prick punch mark.The relation ofthe low pressureports to thevalve must beascertained bymeasurement,the same as theexhaust ports inordinary slidevalves. Various meth-ods…
Locomotives
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