Quote:
Originally Posted by janvos39
Peter
The calculation of the needed horsepower is probably correct.
What you need to find the fuel consumption is the BSFC map. At low engine load the fuel consumption per horsepower will be a lot worse than at higher loads.
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That makes a lot of sense, the larger swept volume of a larger engine needs to be filled and at minimal levels of power production things are probably pretty inefficient. A smaller engine working in it's optimal range would be preferable.
Another question .... what is a BSFC map and where do I look for one ?