Is My Internal Combustion Engine Efficiency Too Low? A Table Analysis

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MMCS
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i am calculating the properties of an internal combustion engine, however, for efficiency i am getting a value of 0.2%.This seems too low to be correct. please see attached table of values and point out any figures that seem incorrect

thanks
 

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Time: Seconds
Fuel Flow Rate: kg/s
SFC: kg/kW/h
 
No i didn't, its always the obvious, Thanks SteamKing.
 

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