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Engine "Rough" Horsepower
By Bowling

This is simple determination of rough engine horsepower output based on a "mean" cylinder compression ratio. Use this for extreme ballpark use only. Remember, this is one of those equations that work for some cases and leave you scratching your head for others.....

Now, for real fun, grab a-hold of those "hot" figures quoted in racing magazines, etc, and plug them in to see what checks out.........

User Input:

Displacement Number Input: Units For Input:

Mean Compression Ratio:

Engine RPM (Where Peak HP will Occur):

     .

Bruce Bowling

Many Thanks to Mr. Bruce Bowling

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