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UR-200

The UR-200 was an intercontinental ballistic missile (ICBM) developed by Vladimir Chelomey's OKB-52 in the Soviet Union. It was known during the Cold War by the NATO reporting name SS-10 Scrag and internally by the GRAU index 8K81. The design was authorized by the Decisions of the Central Committee of the CPSU of March 16 and August 1, 1961, and the draft project was finished in July[clarification needed] 1962. It first flew on November 4, 1963, from the Baikonur Cosmodrome. The ninth and final flight was conducted on October 20, 1964.

UR-200
SS-10 Scrag
TypeIntercontinental ballistic missile
Place of originSoviet Union
Service history
In service1963-1964
Production history
DesignerOKB-52
Designed1962
Specifications (8K81[3])
Mass135,710 kg (299,190 lb)
Height34.65 m (113.7 ft)
Diameter3 m (9.8 ft)
Wingspan4.2 m (14 ft)
WarheadNuclear warhead

EngineFirst stage, RD-0202 liquid-fuel rocket
Second stage, RD-0205 liquid-fuel rocket
First stage, 2,236 kN (503,000 lbf)[1]
Second stage, 606.4 kN (136,300 lbf)[2]
PropellantN2O4 / UDMH
Operational
range
12,000 kilometres (7,500 mi)
Flight ceiling185 km (115 mi) apogee
Maximum speed Mach Mach 20 (24,500 km/h; 15,200 mph; 6.81 km/s)
Guidance
system
Inertial

Description edit

The UR-200 was a two-stage liquid-propellant universal ICBM for delivery of replaceable[clarification needed] payloads to the range up to 12000 km, launch of interceptor satellites for space defense, naval recon satellites, and orbital maneuvering warheads. It was capable of carrying around 3,175 kilograms (7,000 lb) of payload, and could be launched from flat pads, or missile silos built for the R-16 missile. Unusually for a Soviet missile, the first stage provided attitude control by means of thrust vectoring. Nitrogen tetroxide and UDMH were used as propellants.

FOBS edit

The FOBS, or Fractional Orbital Bombardment System, was a Soviet programme to place a nuclear warhead into a 150 km low Earth orbit, in order to allow the warhead to approach the enemy from any direction, below missile tracking radar systems. The UR-200 was one of several rockets proposed for this purpose, along with the 8K713 and R-36. The use of the UR-200 for FOBS deployment was cancelled in October 1964, when Nikita Khrushchev was removed from power.

Operational history edit

The UR-200 was never deployed operationally. The successful development of the storable hypergolic-fuelled R-36 silo-launched missile led to the cancellation of the UR-200 in 1965.

Operators edit

Related developments edit

See also edit

References edit

  1. ^ . Encyclopedia Astronautica. Accessed 2014-09-28.
  2. ^ . Encyclopedia Astronautica. Accessed 2014-09-28.
  3. ^ . Encyclopedia Astronautica. Accessed 2014-09-28.


this, article, needs, additional, citations, verification, please, help, improve, this, article, adding, citations, reliable, sources, unsourced, material, challenged, removed, find, sources, news, newspapers, books, scholar, jstor, september, 2014, learn, whe. This article needs additional citations for verification Please help improve this article by adding citations to reliable sources Unsourced material may be challenged and removed Find sources UR 200 news newspapers books scholar JSTOR September 2014 Learn how and when to remove this template message Not to be confused with Nord Aviation SS 10 anti tank missile The UR 200 was an intercontinental ballistic missile ICBM developed by Vladimir Chelomey s OKB 52 in the Soviet Union It was known during the Cold War by the NATO reporting name SS 10 Scrag and internally by the GRAU index 8K81 The design was authorized by the Decisions of the Central Committee of the CPSU of March 16 and August 1 1961 and the draft project was finished in July clarification needed 1962 It first flew on November 4 1963 from the Baikonur Cosmodrome The ninth and final flight was conducted on October 20 1964 UR 200SS 10 ScragTypeIntercontinental ballistic missilePlace of originSoviet UnionService historyIn service1963 1964Production historyDesignerOKB 52Designed1962Specifications 8K81 3 Mass135 710 kg 299 190 lb Height34 65 m 113 7 ft Diameter3 m 9 8 ft Wingspan4 2 m 14 ft WarheadNuclear warheadEngineFirst stage RD 0202 liquid fuel rocketSecond stage RD 0205 liquid fuel rocketFirst stage 2 236 kN 503 000 lbf 1 Second stage 606 4 kN 136 300 lbf 2 PropellantN2O4 UDMHOperationalrange12 000 kilometres 7 500 mi Flight ceiling185 km 115 mi apogeeMaximum speedMach Mach 20 24 500 km h 15 200 mph 6 81 km s GuidancesystemInertial Contents 1 Description 2 FOBS 3 Operational history 4 Operators 5 Related developments 6 See also 7 ReferencesDescription editThe UR 200 was a two stage liquid propellant universal ICBM for delivery of replaceable clarification needed payloads to the range up to 12000 km launch of interceptor satellites for space defense naval recon satellites and orbital maneuvering warheads It was capable of carrying around 3 175 kilograms 7 000 lb of payload and could be launched from flat pads or missile silos built for the R 16 missile Unusually for a Soviet missile the first stage provided attitude control by means of thrust vectoring Nitrogen tetroxide and UDMH were used as propellants FOBS editMain article Fractional Orbital Bombardment System The FOBS or Fractional Orbital Bombardment System was a Soviet programme to place a nuclear warhead into a 150 km low Earth orbit in order to allow the warhead to approach the enemy from any direction below missile tracking radar systems The UR 200 was one of several rockets proposed for this purpose along with the 8K713 and R 36 The use of the UR 200 for FOBS deployment was cancelled in October 1964 when Nikita Khrushchev was removed from power Operational history editThe UR 200 was never deployed operationally The successful development of the storable hypergolic fuelled R 36 silo launched missile led to the cancellation of the UR 200 in 1965 Operators edit nbsp Soviet UnionRelated developments editR 9 Desna by Sergei Korolev R 16 by Mikhail Yangel Universal Rocket UR 100 minor missile in development set of UR 100 UR 200 UR 500 line UR 500 major missile in development set of UR 100 UR 200 UR 500 lineSee also editList of missiles List of orbital launch systemsReferences edit RD 0202 Encyclopedia Astronautica Accessed 2014 09 28 RD 0205 Encyclopedia Astronautica Accessed 2014 09 28 UR 200 Encyclopedia Astronautica Accessed 2014 09 28 nbsp This Russian military article is a stub You can help Wikipedia by expanding it vte nbsp This article relating to missiles is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title UR 200 amp oldid 1150194806, wikipedia, wiki, book, books, library,

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