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KJ_Lesnick, quoted: "What's an RL-10 engine?" An H2/O2 engine used on Centaur upper stage launcher. Very reliable and not too expensive. Max thrust about 23,000-24,000 lbs. with nozzle extension and small throat to increase chamber pressure. A lot of experimentation was done on this engine and some of the reports should be on NTRS. They ran it on F2/H2 and it worked, but the whole thing probably needed extensive modifications just to do that.
KJ_Lesnick, quoted: "What's an RL-10 engine?"
An H2/O2 engine used on Centaur upper stage launcher. Very reliable and not too expensive. Max thrust about 23,000-24,000 lbs. with nozzle extension and small throat to increase chamber pressure. A lot of experimentation was done on this engine and some of the reports should be on NTRS. They ran it on F2/H2 and it worked, but the whole thing probably needed extensive modifications just to do that.
