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Aviation glossary

Horsepower

What is horsepower?

Illustration related to horsepower
Image: original by Rfassbind (after Sgbeer)derivative by B. Jankuloski — CC BY-SA 4.0, via Wikimedia Commons

Horsepower is a unit of engine power equal to 550 foot-pounds of work per second, used to describe how much power an aircraft engine produces.

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