R-13 (missile)
| R-13 (missile) | |
|---|---|
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| General Information | |
| Type | Medium Range Missile ( SLBM ) |
| Local name | R-13, 4K50 |
| NATO designation | SS-N-4 Sark |
| Country of origin |
 Soviet Union
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| Manufacturer | Makeyev State Missile Center |
| development | 1955 |
| Commissioning | 1961 |
| Working time | 1972 |
| Technical specifications | |
| length | 11.84 m |
| diameter | 1,300 mm |
| Combat weight | 19,650 kg |
| span | 1,900 mm |
First stage drive |
Liquid rocket engine |
| speed | 2,050 m / s |
| Range | 650 km |
| Service ceiling | 145 km ( apogee ) |
| Furnishing | |
| steering | Inertial navigation platform |
| Warhead | 1 nuclear warhead with 1 MT |
| Weapon platforms | SSBN |
| CEP |
3.8-4 km |
| Lists on the subject | |
The R-13 ( NATO code name SS-N-4 Sark , GRAU index 4K50 ) was a submarine-based ballistic missile ( SLBM ) of the former Soviet Union .
The R-13 was a single-stage liquid-powered rocket. Development began in 1955, and the rocket entered service in 1961. It was similar to the R-11FM missile, which created confusion among Western intelligence agencies during the Cold War. The missile was decommissioned between 1965 and 1975.
The rocket was the first Soviet design that used small rocket engines instead of aerodynamic controllable surfaces to make gross course corrections. Even so, four stabilizers were retained to keep the missile on course during the initial stages. The launch took place from the surfaced submarine.
During the test phase prior to commissioning, 26 out of 32 test flights were successful (81%). While the missile was in place, 225 out of 311 flights (72%) were successful.