DOE-HDBK-1018/1-93Diesel Engine FundamentalsFUNDAMENTALS OF THE DIESEL CYCLEFigure 23 2-Stroke CompressionFigure 24 2-Stroke Fuel InjectionPowerFigure 25 2-Stroke PowerThe power stroke starts after the piston passes TDC.Figure 25 illustrates the power stroke which continuesuntil the piston reaches 91ATDC, at which point theexhaust valves start to open and a new cycle begins.Rev. 0ME-01Page 27
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