ers the cylinder and no power is developed. Figure 1 shows an actual indicator card taken with an engine preigniting. The power developed in the preigniting cylinder was negative, that is to say, a portion of the power developed by the other cylinders was employed in overcoming the resistance which… … the actual amount burned before the 0 1 2stroke ti inches* charge is ignited from its normal source Fra. L—Altitude, 7,000 feet. Barometer, SIS cm Hg. Compression ratio, is sufficiently small. Engine speed may 81 3"p-M-1-m be important in its effect upon the time available per cycle during which…
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