Kosberg N2O4/UDMH rocket engine. 575.5 kN. UR-200 stage 2. Developed 1961-64. Staged combustion cycle. Isp=326s. First flight 1964.
Application: UR-200 stage 2.
Chamber Pressure: 147.00 bar. Area Ratio: 81.3. Oxidizer to Fuel Ratio: 2.6.
More... - Chronology...
Status: Developed 1961-64.
Diameter: 1.47 m (4.82 ft).
Thrust: 575.50 kN (129,378 lbf).
Specific impulse: 326 s.
Burn time: 150 s.
First Launch: 1961-64.
Associated Manufacturers and Agencies
Kosberg Russian manufacturer of rocket engines. Kosberg Design Bureau, Russia. 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...
Golubev, A A, KB KhimAvtomatiki - Straniy Istorii, Vol. 1, Voronezh 1995 via Dietrich Haeseler.
Glushko, V P, Albom Konstruktsiy ZhRD, Vol. 1 1968, Vol. 3 & 4 1969 via Dietrich Haeseler.
UR-200-2 N2O4/UDMH propellant rocket stage. Loaded/empty mass 25,810/2,400 kg. Thrust 612.90 kN. Vacuum specific impulse 322 seconds. Tsniimash has 1:10 structural simulation model. Developed 1960-1965. Orevo has sectioned hardware. All data accurate except empty mass prorated between first and second stages. More...
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