Encyclopedia Astronautica
Expansion-Deflection 50k

ED 50k
Expansion-Deflection 50k
Credit: Boeing / Rocketdyne
Rocketdyne N2O4/Aerozine-50 rocket engine. Launch thrust 222.326 kN. Expansion-Deflection Booster (50,000 Ib thrust). Pressure-fed. Thrust and specific impulse values are at sea level.

Thrust (sl): 222.326 kN (49,981 lbf). Thrust (sl): 22,671 kgf.

Thrust: 222.33 kN (49,981 lbf).
First Launch: 1961.

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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...

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