The J-2X oxidizer turbopump delivers high pressure liquid oxygen to the engine's main injector, where it meets hydrogen fuel to produce thrust.
The J-2X oxidizer turbopump delivers high pressure liquid oxygen to the engine’s main injector, where it meets hydrogen fuel to produce thrust. Hot-fire engine tests are planned for 2011 at Stennis Space Center in Mississippi.
Credit: Pratt & Whitney Rocketdyne