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 548
is number (10),gives 44.9 pounds per square inch as the mean effective pressurethroughout the cycle, or the average of efficient pressure ex-erted on the piston, while the actual pressure is undergoing asteady fall from JJ pounds to 18 pounds, absolute. In similarfashion the diagram for both… … Fig. 389. —Ideal Indicator Card for a low-pressure, or condensing, engine, showing the fallof pressure below the atmospheric line. As shown in this cut, the effective steampressures at the various points in the cycle vary between a maximum of 60 poundsand 13.75 pounds to the square inch before the…
Automobiles
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