N2O4/UDMH propellant rocket stage. Loaded/empty mass 58/9 kg. Thrust 5.39 kN. Vacuum specific impulse 300 seconds.
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Gross mass: 58 kg (127 lb).
Unfuelled mass: 9.00 kg (19.80 lb).
Height: 0.69 m (2.26 ft).
Diameter: 0.42 m (1.37 ft).
Span: 0.42 m (1.37 ft).
Thrust: 5.39 kN (1,212 lbf).
Specific impulse: 300 s.
Specific impulse sea level: 210 s.
Burn time: 30 s.
Martlet 4-3 Bull solid rocket engine. 5.390 kN. Development ended 1966. Isp=300s. Used on Martlet 4 launch vehicle. More...
N2O4/UDMH Nitrogen tetroxide became the storable liquid propellant of choice from the late 1950's. Unsymmetrical Dimethylhydrazine ((CH3)2NNH2) became the storable liquid fuel of choice by the mid-1950's. Development of UDMH in the Soviet Union began in 1949. It is used in virtually all storable liquid rocket engines except for some orbital manoeuvring engines in the United States, where MMH has been preferred due to a slightly higher density and performance. More...
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