Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise .. (1916)
Swingle, Calvin F. (Calvin Franklin), b. 1846 · Chicago, F.J. Drake & company · leaf 390
nd the high-est point of the eccentric is at 60° on the return circle, apoint equivalent to 240° of the circle described by thecrank. Valves and Valve Setting 377 The fourth function is when compression begins at thehead end of the cylinder, Fig. 120. The crank is now at150°, the piston being near… … Fig. 120 circle. At this point we can study the effect of inside lap,because if the valve has no inside lap, release on the crankend will begin almost at the same moment that compres-sion takes place at the head end, but by adding inside lap,compression can be caused to take place earlier and…
