The Effect of Valve Timing Upon the Performance of a Supercharged Engine at Altitude and an Unsupercharged Engine at Sea Level (1932)
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34° before T. C.) is greater effective pressure and increased charge weight may be than the increase in negative work for an unsnper- obtained from the brake mean effective pressure charged engine with the same valve timing. The increase in engine brake mean effective pressure curves. Figure 6… … Figure 4.—Effect of time of intake opening on performance used for the other valve events. The varying of sure; the other is the increased charge weight. The this event influences all the investigated performance reduction in friction mean effective pressure is due to characteristics, except…
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