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Steam engines, prepared in the Extension division of the University of Wisconsin (1919)

Shealy, Edward Marvin · New York, McGraw-Hill · leaf 156

An illustration from Steam engines, prepared in the Extension division of the University of Wisconsin, 1919, leaf 156 — , which is called the crank angle, greaterthan 90°. The angle AOE is called the angle of advance and itis the angle, in excess of 90°, between the crank and eccentric.The angle of advance is usually about 20° to 30° but its amountwill depend upon the steam lap and the lead which it is desirableto… … 3^ - ^- - Fig. 81. Inside Admission Valve.—Many valves, especially of the pistontype, are designed to admit steam from the inside and exhaustpast the outer edge of the valve. In this case the inside lap isthe steam lap and the outside lap is the exhaust lap. A slidevalve arranged for inside…

Steam-engines

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