LR91
Engine
Original archive entry. The text, images and links below are kept as they were written.
Aerojet N2O4/Aerozine-50 rocket engine family. Titan Stage 2. Scaled down version of stage 1 engine featuring fixed single chamber.
Subtopics
- LR91-3 Aerojet LOx/Kerosene rocket engine. Development begun 1957. Titan 1 Stage 2 major production version. Proposed for second stage of Juno V-A, Super-Jupiter in 1959. Flown 1959-1965.
- LR91-7 Aerojet N2O4/Aerozine-50 rocket engine. Version used on Stage 2 of Gemini Titan 2 Launch Vehicle. Proposed for unflown Titan 3L2, Titan 3L4 boosters. First flight 1962.
- LR91-5 Aerojet N2O4/Aerozine-50 rocket engine. Titan 2 ICBM Stage 2. Out of Production. Scaled down version of stage 1 engine featuring fixed single chamber. Gas generator cycle. First flight 1962.
- LR91-9 Aerojet N2O4/Aerozine-50 rocket engine. Titan III B, C, D. Out of Production. Version used in earlier versions of Titan 3 upper stages. First flight 1965.
- LR91-11 Aerojet N2O4/Aerozine-50 rocket engine. Out of production. Second stage engine for Titan 3 and 4. First flight 1968.