J-2X (Engine)

The J-2X is a modern gas generator cycle, bi-propellant rocket engine, planned for use in the Ares I and Ares V launch vehicles. It consumes liquid hydrogen and liquid oxygen. It has its origin in the J-2 rocket engines used by the Saturn Ib and Saturn V launchers. It is produced by Pratt and Whitney Rocketdyne.

Differences from the J-2

This article is a stub. You can help Orbiterwiki by expanding it.