The practical application of the slide valve and link motion to stationary, portable, locomotive, and marine engines : with new and simple methods for proportioning the parts (1897)
Auchincloss, William Stuart, 1842-1928 · New York : Van Nostrand · leaf 48
point of exhaust closure. 2d. To cut off at f the stroke, with port opening uf If ins. oa it a 7 a it a a a o tt 4th. 0.7 if DIEECTION OF OEAIK MOTION. The direction of any crank motion depends on two con-ditions—1st. The presence or absence of a rocker for trans-mitting the motion; 2d. The… … tive sign ( + ) represents a motion in the direction of thehands of a watch, the negative ( —) a reverse motion. To 40 L EA D . produce a positive motion in any engine, whose eccentricacts through a rocker, lay off the angular advance from theline bf in the 1st quadrant (the crank standing at the…
Steam-engines
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