Encyclopedia Astronautica

Credit: Boeing / Rocketdyne
Rocketdyne N2O4/MMH rocket engine. 11.7 kN. Peacekeeper Postboost Axial Thrust. Pressure-fed. 1 main axial thruster per postboost propulsion system. Isp=308s. First flight 1983.

Thrust: 11.70 kN (2,630 lbf).
Specific impulse: 308 s.
First Launch: 1978.

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Associated Countries
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Associated Launch Vehicles
  • Peacekeeper American intercontinental ballistic missile. 10 nuclear MIRV warheads. In service 1986-2004. More...

Associated Manufacturers and Agencies
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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