true horsepower

Isaac Kremer/ November 23, 2025/ / 0 comments

Same as Indicated Horsepower. — The power developed in the cylinder of a steam engine as determined from an indicator diagram. It is equal to the mean effective pressure in pounds per square inch, multiplied by the area of the piston in square inches, by the piston speed in feet per minute, and divided by thirty-three thousand (33,000). (Bridge, 2019)