Encyclopedia Astronautica
R-42



r42.jpg
R-42
Credit: Aerojet Redmond
Redmond N2O4/MMH rocket engine. 0.890 kN. In Production. Isp=303s.

Engine: 4.53 kg (9.98 lb). Chamber Pressure: 7.10 bar. Area Ratio: 160. Restarts: 134.

Status: In Production.
Unfuelled mass: 4.53 kg (9.98 lb).
Height: 0.79 m (2.59 ft).
Diameter: 0.39 m (1.27 ft).
Thrust: 890 N (200 lbf).
Specific impulse: 303 s.
Burn time: 3,940 s.

More... - Chronology...


Associated Countries
See also
Associated Manufacturers and Agencies
  • Redmond American manufacturer of rocket engines. Redmond, USA. More...

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...

Home - Browse - Contact
© / Conditions for Use