The design and construction of oil engines; (1900)
Goldingham, Arthur Hugh. [from old catalog] · New York, Spon & Chamberlain; [etc., etc.] · leaf 57
Fig. 19. guide or other obstruction in the passages. The ve-locity of the air is found in the following formulae: V— aXP ON DESIGNING OIL ENGINES. 4! V = velocity of air in ft. per second.P = piston speed in ft. per second.a = area of piston in inches.a1 = area of valve opening in inches. The… … Fig. 20. smaller engines, which dimension should be increasedfor larger-sized engines. The valves are made of forged steel, either in onepiece or with cast-iron valve and wrought-iron or steelstem fitted into it, and are shown in Fig. 21. Somemanufacturers prefer the latter on account of…
Internal combustion engines
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