Encyclopedia Astronautica
UM-NASA


American manufacturer of rocket engines. UM-NASA, USA.

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Associated Countries
Associated Engines
  • End Hall Thruster UM-NASA electric/lh2 rocket engine. 1 kW arcjet, ran on H2, N2, or a mixture, at about 12A, 1 kW, peak around 600s Isp, (20-30% efficiency). Isp=600s. More...
  • MPD UM-NASA electric rocket engine. 1.35 kW Hall thruster More...
  • NEXT UM-NASA electric/xenon rocket engine. 237 mN. Isp=4100s. NASA Evolutionary Xenon Thruster, 40 cm diameter ion engine, double the beam extraction area of the NSTAR engine. Developed 1998-2003. More...

See also
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