Russian intercontinental ballistic missile. The UR-100M designation was used for a naval version of the UR-100, developed by Chelomei in 1962-1964. This would fit in the Navy's D-8 launch system. It was rejected in favour of the R-29 from Makeyev, who became the Navy's traditional supplier of SLBM's.
Makeyev submitted Chelomei's proposal to withering criticism at a Ministry of Defence meeting in July 1964. The UR-100M was to have radio correction to achieve the necessary accuracy, while Makeyev's missile used autonomous celestial navigation to correct the inertial guidance system. Chelomei envisioned basing mainly on barges or submerged buoys in order to have a known accurate launch position, while Makeyev proposed basing on mobile submarines. Khrushchev at the time was pushing for basing of missile on icebergs as a less-costly alternative to nuclear submarines. The Soviet Navy rejected these alternatives in favour of the same kind of submarine-based deterrent forces the Americans were deploying.
The 8K84M version of the basic UR-100 missile, developed in 1965-1972, is sometimes referred to by Soviet histories as the 'UR-100M' as well.
Standard warhead: 770 kg (1,690 lb). Maximum range: 11,000 km (6,000 mi). Number Standard Warheads: 1. Standard RV: 15F842. Warhead yield: 500 KT. CEP: 1.40 km (0.80 mi). Alternate warhead: 1,750 kg (3,850 lb). Maximum range with alternate warhead: 4,000 km (2,400 mi). Number Alternate Warheads: 1. Alternate warhead yield: 1,100 KT. Alternate warhead CEP: 1.00 km (0.60 mi). Boost Propulsion: Storable liquid rocket, N2O4/UDMH. Cruise engine: 8D423.
Status: Design 1964.
More... - Chronology...
Gross mass: 41,410 kg (91,290 lb).
Payload: 770 kg (1,690 lb).
Height: 16.93 m (55.53 ft).
Diameter: 2.00 m (6.50 ft).
Span: 2.00 m (6.50 ft).
Thrust: 785.00 kN (176,475 lbf).
Apogee: 1,000 km (600 mi).
RD-0216 Kosberg N2O4/UDMH rocket engine. 219 kN. UR-100 stage 1. Isp=313s. Staged combustion cycle. Includes tank pressurization system (RD-0217 without tank press.). First launch November 1963, manufactured until 1974, operational until 1991. First flight 1965. More...
UR-100 The UR-100 lightweight ICBM was the Soviet answer to the US Minuteman and was deployed in larger numbers than any other in history. It remained an enigma outside of intelligence circles in the West until after the collapse of the Soviet Union. It allowed the Soviet Union to match, and then surpass the United States in strategic deterrent capability. As such it was Vladimir Chelomei's crowning legacy to his country. More...
missile Guided self-propelled military weapon (as opposed to rocket, an unguided self-propelled weapon). More...
Associated Manufacturers and Agencies
Chelomei Russian manufacturer of rockets, spacecraft, and rocket engines. Chelomei Design Bureau, Reutov, Russia. More...
8S816 N2O4/UDMH propellant rocket stage. Loaded/empty mass 32,799/3,000 kg. Thrust 868.80 kN. Vacuum specific impulse 310 seconds. Orevo has sectioned hardware. Total mass, sea level thrust accurate; Isp, empty mass and burn time estimated. Source: Placard, Orevo. More...
8S817 N2O4/UDMH propellant rocket stage. Loaded/empty mass 8,611/900 kg. Thrust 131.45 kN. Vacuum specific impulse 325 seconds. Orevo has sectioned hardware. Total mass, thrust accurate; Isp, empty mass and burn time estimated. Source: Placard, Orevo. More...
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