What is rlrl-10?

What is rlrl-10?

RL-10 Credit: Lockheed Martin Pratt and Whitney LOx/LH2 rocket engine family. First flight 1961. Originally planned for use in Centaur upper stage for Atlas, but earliest successful flights in Saturn IV stage for Saturn I. Throttleable version designed for direct-landing Apollo mission, but cancelled.

When did the RL-10 rocket first fly?

RL-10 RL-10 Credit: Lockheed Martin Pratt and Whitney LOx/LH2 rocket engine family. First flight 1961. Originally planned for use in Centaur upper stage for Atlas, but earliest successful flights in Saturn IV stage for Saturn I. Throttleable version designed for direct-landing Apollo mission, but cancelled.

What engines are used in the RL-10A-3 rocket?

RL-10A-3Pratt and Whitney LOx/LH2 rocket engine. First flight 1967. RL-10A-3APratt and Whitney LOx/LH2 rocket engine. Used on Centaur stage atop Atlas G, Atlas I, Atlas II, Titan 4. First flight 1984. RL-10A-4Pratt and Whitney LOx/LH2 rocket engine.

How many RL10 engines did the DC-X have?

Throttleable to 30% of thrust, sea level version of RL10. Four engines were built and were used on the DC-X and the upgraded DC-XA VTOVL SSTO launch vehicle demonstrators. First flight 1993.