Encyclopedia Astronautica
RS-2101A



rdynrs21.jpg
RS2101A / RS2101C
Credit: Boeing / Rocketdyne
Rocketdyne N2O4/MMH rocket engine. 1.333 kN. Mars Mariner. Pressure-fed. Derivtive of RS-14 Minuteman engine. Isp=287s. First flight 1971.

Thrust: 1.33 kN (300 lbf).
Specific impulse: 287 s.
First Launch: 1968.

More... - Chronology...


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Associated Propellants
  • N2O4/MMH Nitrogen tetroxide became the storable liquid propellant of choice from the late 1950's. Monomethylhydrazine (CH3NHNH2) is a storable liquid fuel that found favour in the United States for use in orbital spacecraft engines. Its advantages in comparison to UDMH are higher density and slightly higher performance. More...

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