The Merlin 1D engine, with up to 190,000 pounds of thrust, is the powerhouse of the SpaceX Falcon 9 and Falcon Heavy rockets. The engine uses liquid oxygen (LOX) and RP-1 (a rocket-grade kerosene) as ...

The engine in the Supermarine Spitfire was a Rolls-Royce Merlin that eventually went into America's P-51 Mustang, as well. It had a lot of power.