indicated horsepower

American  

noun

1. the horsepower of a reciprocating engine as shown by an indicator record. ihp, IHP

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indicated horsepower British  

noun

1. the power output of a piston engine calculated from the mean effective pressure in the cylinder as derived from an indicator diagram and the speed of the engine in revolutions per minute

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Etymology

Origin of indicated horsepower

First recorded in 1870–75

Example Sentences

The indicated horsepower of the "Titanic" was 50,000, developed in two reciprocating engines driving two wing propellers and a single turbine driving a central propeller.

From Scientific American

The result in this case is a reduction in the quantity of steam required to develop the same indicated horsepower.

From Project Gutenberg

If the cylinder condensation for this type of engine is 20 per cent of the total steam consumption, the water rate will be 26.5 ÷ 0.8 = 33.1 pounds per indicated horsepower per hour.

From Project Gutenberg

The brake horsepower commonly varies from 80 to 90 per cent of the indicated horsepower at full load, depending upon the type and size of engine.

From Project Gutenberg

The steam consumption is commonly called the water rate, and is expressed in pounds of dry steam required per indicated horsepower per hour.

From Project Gutenberg