Encyclopedia Astronautica
R-36M St 1


N2O4/UDMH rocket stage. 4522.00 kN (1,016,586 lbf) thrust. Mass 210,000 kg (462,971 lb).

No Engines: 4.

Status: Active.
Gross mass: 210,000 kg (460,000 lb).
Unfuelled mass: 15,000 kg (33,000 lb).
Height: 22.30 m (73.10 ft).
Diameter: 3.00 m (9.80 ft).
Thrust: 4,522.00 kN (1,016,586 lbf).
Burn time: 130 s.

More... - Chronology...


Associated Countries
Associated Engines
  • RD-263 Glushko N2O4/UDMH rocket engine. 1155 kN. R-36M / RS-20A (SS-18 Mod 1) stage 1. Out of Production. Four RD-263 engines combined into RD-264 system. Isp=318s. More...

Associated Launch Vehicles
  • R-36M Ukrainian intercontinental ballistic missile. The R-36M replaced the R-36 in 288 existing silos and was additionally installed in 20 new super-hardened silos. More...

Associated Manufacturers and Agencies
  • Yuzhnoye Ukrainian manufacturer of rockets, spacecraft, and rocket engines. Yangel Design Bureau, Dnepropetrovsk, Ukraine. More...

Associated Propellants
  • 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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