Self-propelled vehicles; a practical treatise on the theory, construction, operation, care and management of all forms of automobiles (1906)
Homans, James E. (James Edward), b. 1865 · New York, T. Audel & Company · leaf 549
he engine from the diagram. Thus, taking the initial pressurein the cylinder, yy pounds, we find it equivalent to a tempera-ture of 309.30, Fahrenheit ; taking the final pressure, 18 pounds,we find it equivalent to a temperature of 222.40, Fahrenheit, and,the mean effective pressure, 44.9 pounds,… … Fig. 390. —Card from the intermediate pressure cylinder of a triple expansion engine,with figures for pressure at the various points in the cycle. This is an average gooddiagram for a double-acting cylinder. The mean effective pressure is found, as fol-lows: 151.70-4-162 = 313.70. Divide this by…
Automobiles
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