Solving for torque.
This calculation corrects horsepower for normally aspirated internal combustion engine to a standard humidity, pressure and temperature after mesaured on a dynamometer.
Engine horsepower estimate using quarter mile elapsed time
Includes plot and graph
|Speed - revolutions per minute (rpm)|
|Estimate of engine horsepower after a quarter mile run using the trap speed method.|
|Determine the increase in engine horsepower when an after market modification, race or performance part has been installed with trap speed.|
|Calculate engine horsepower after a quarter mile run using the ET method.|
|Compute estimated increase in engine horsepower when an after market, racing upgrade or performance part has been installed with ET.|
|Dyno correction factor. Factor corrects horsepower for normally aspirated internal combustion engine to a standard humidity, pressure and temperature after dynamometer measurement.|
|Calculate a vehicles power to weight ratio. Acceleration is related to the ratio.|
by Jimmy Raymond
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