rison of Results Fig. 23 gives a comparison of the engine full-load char-acteristics. The comparison as a whole is entirely in favorof the higher compression ratio, but shows a very slightloss in mechanical efficiency below 800 r.p.m. The increasein brake horsepower is marked, especially at the… … Fig. 17 (at left)—Characteristic curves of engine performance with 4.25 to 1 compression ratio whenthrottled to give power output sufficient to propel car on level road when using 3.5 to 1 rear axle gear ratio.Fig. 18 (center)—Characteristic engine performance curves at full load. Compression ratio…
Automobiles · Aeronautics
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