Steam engines, prepared in the Extension division of the University of Wisconsin (1919)
Shealy, Edward Marvin · New York, McGraw-Hill · leaf 107
Fig. 61. completed its stroke. It will be seen that the left-hand ends ofboth diagrams appear to be cut off, the heel of one diagram andthe toe of the other being cut off on the same Une. The samefault may be caused by the motion of the crosshead not beingreduced sufficiently, but in this case the… … Fig. 62. stepped expansion Une as in Fig. 61. The steps will usually bemore distinct near the beginning of the expansion line where thepressure is high. The same fault may be caused in an old indi-cator by a gummed piston which has not been cleaned andlubricated. If the spring used in an indicator…
Steam-engines
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