Encyclopedia Astronautica
MR


Russian intercontinental ballistic missile. Korolev studied this Multimodular Rocket (MR), based on stages already designed for the 8K74 and 8K77 (R-7 and R-9) missiles. As was the case of the 8K74, work on the design was stopped in September 1961.

The concept seems to have been promoted in competition with Chelomei's UR-200, for the launcher could be used for similar missions:

  • Military global rocket (orbital bombing system) of unlimited range
  • ICBM
  • Launch vehicle for anti-satellites
  • Space exploration

The three-stage version of the rocket would have a total mass of 101 tonnes, an empty mass of 10 tonnes, and first, second, and third stage thrusts of 140 tonnes, 45 tonnes, and 10 tonnes. An ICBM would be composed of just the first and second stages, and an IRBM from the first stage alone.

Status: Study 1961.
Gross mass: 101,000 kg (222,000 lb).
Thrust: 1,400.00 kN (314,700 lbf).

More... - Chronology...


Associated Countries
See also
  • MR Russian solid rocket engine family. More...
  • missile Guided self-propelled military weapon (as opposed to rocket, an unguided self-propelled weapon). More...

Associated Manufacturers and Agencies
  • Korolev Russian manufacturer of rockets, spacecraft, and rocket engines. Korolev Design Bureau, Kaliningrad, Russia. More...

Bibliography
  • Vetrov, G S, S. P. Korolev i evo delo, Nauka, Moscow, 1998.

MR Chronology


1961 September - . Launch Vehicle: 8K79; MR.
  • Korolev closes work on MR, 8K79 missiles. - . Nation: USSR. Related Persons: Korolev. From 1960 to 1961 Korolev's design bureau worked on the single stage 8K79 military rocket. The 25 tonne missile could hurl an 800 kg warhead over a 2300 km range. A competing missile was selected for the requirement. Korolev's MR was based on stages already designed for the 8K74 and 8K77 missiles. The three-stage space launch version of the rocket would have a total mass of 101 tonnes; an ICBM version would be composed of just the first and second stages, and an IRBM version from the first stage alone.

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