Encyclopedia Astronautica
RM-100T

RM-100T
Credit: Boeing / Rocketdyne

Rocketdyne N2O4/Aerozine-50 rocket engine. 0.441 kN. Lunar Flyer. Pressure-fed. Isp=296s.

Thrust: 441 N (99 lbf).
Specific impulse: 296 s.
First Launch: 1967.

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Associated Propellants

N2O4/Aerozine-50 Nitrogen tetroxide became the storable liquid propellant of choice from the late 1950's. Aerozine was a 50-50 mixture of hydrazine and UDMH developed for use in the Titan 2 missile. Copied in one Russian missile but otherwise straight UDMH used more commonly. Higher boiling point than UDMH. More...