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 748
er on the power stroke depend-ing on the size and the speed of the engine. The last partof the power stroke is not noticeably effective in deliveringpower to the crank shaft and the exhaust valve is openedearly to get rid of the heat after it has done its work. In Gas Engine Valve Setting 731 an… … For slow moving engines with large, easy valve portsand passages, the exhaust opening may be fixed at 15 to 20°before center instead of 40°, and the inlet opening andclosing points may be fixed at center to 10° after center. ■ 732 Steam Engineering For very high speed engines the inlet closing…
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten20unit-1129-502.webp)
