- R-13 (missile)
The R-13 was a
submarine-launched ballistic missile (SLBM) developed by theSoviet Union starting around1955 . It was assigned theNATO reporting name SS-N-4 Sark and carried theGRAU index 4K50.The R-13 was a single-stage
liquid-fuel rocket and entered service in1961 . This missile was somewhat similar in design to the R-11FM missile, which caused some confusion in Westernintelligence service s during theCold War . The missiles were phased out from1965 to1975 .This missile was the first Soviet design to use a small set of
rocket engines to perform course and trajectory alterations instead ofaerodynamic control surface s, although a set of four stabilizers were used to keep the missile on-course during initial flight.During initial testing before the missiles were deployed, 26 of 32 missiles (81%) were successfully launched. While the systems were deployed from 1961 to 1975, 225 of 311 launches (72%) were successful.
Operators
;USSR
*Soviet Navy pecifications
*Length: 11.8 m (38 ft 9 in)
*Diameter: 1.3 m (4 ft 3 in)
*Diameter (to stabilizers): 1.9 m (6 ft 3 in)
*Launch weight: 13.7 t
*Warhead: single nuclear: 1.2 to 2.0 Mt (perhaps as low as 1.0 Mt)
*Propulsion: liquid-fuel rocket, single stage
**Fuel:AK-271
**Oxidizer:TG-02
*Range: about 600 km (370 miles)
*Launching technique: surfaced
*CEP: 1.8 to 4 km (1.1 to 2.5 miles)See also
*
List of missiles References
* [http://www.fas.org/nuke/guide/russia/slbm/r-13.htm FAS.org: R-13 / SS-N-4 Sark]
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