| 词条 | R-27 Zyb |
| 释义 |
The R-27 Zyb was a submarine-launched ballistic missile developed by the Soviet Union and employed by the Soviet Navy from 1968 through 1988. NATO assigned the missile the reporting name SS-N-6 Serb. In the USSR, it was given the GRAU index 4K10. It was a liquid fuel rocket using a hypergolic combination of unsymmetrical dimethylhydrazine (UDMH) as fuel, and nitrogen tetroxide (NTO) as oxidizer.[1] Between 1974 and 1990, 161 missile launches were conducted, with an average success rate of 93%.[2] Total production was 1800 missiles. The R-27[3] missiles were deployed on the Yankee I submarines, including the K-219. VariantsR-27
R-27U (RSM-25)
R-27KThe 4K18 was a Soviet intermediate-range anti-ship ballistic missile (also known as R-27K, where "K" stands for Korabelnaya which means "ship-related") NATO SS-NX-13. The missile was a two-stage development of the single-stage R-27, the second stage containing the warhead as well as propulsion and terminal guidance.[4] Initial submarine testing began on 9 December 1972 on board the K-102, a project 605 class submarine, a modified Project 629/ NATO Golf class lengthened 17.1m (formerly B-121), to accommodate four launch tubes as well as the Rekord-2 fire control system, the Kasatka B-605 Target acquisition system and various improvements to the navigation and communications systems. Initial trials ended on 18 December 1972 because the Rekord-2 fire control system hadn´t been delivered yet. After a number of delays caused by several malfunctions, test firings were finally carried out between 11 September and 4 December 1973. Following the initial trials, the K-102 continued making trial launches with both the R-27 and the R-27K, until it was accepted for service on 15 August 1975.[5] Using external targeting data, the R-27K/SS-NX-13 would have been launched underwater to a range of between 350-400 nm (650–740 km), covering a "footprint" of 27 nm (50 km). The Maneuvering Re-Entry vehicle (MaRV) would then home in on the target with a CEP of {{convert|400|yd|m}}. Warhead yield was between 0.5-1 Mt.[6] The missile system never became operational, since every launch tube used for the R-27K counted as a strategic missile in the SALT agreement, and they were considered more important.[7] Although the R-27K could fit in the launch tubes of the Project 667A (NATO Yankee class), the subs lacked the necessary equipment to target and fire the missile.[8] Operators
See also
References1. ^{{cite book |page=321 |url=https://books.google.com/books?id=CPRVbYDc-7kC |title=Russian Strategic Nuclear Forces |author1=Oleg Bukharin |author2=Pavel Podvig |author3=Pavel Leonardovich Podvig |publisher=MIT Press |year=2004 |isbn=9780262661812 |accessdate=12 April 2013}} 2. ^USSR R-27 missile 3. ^Korabli VMF SSSR, Vol. 1, Part 1, Yu. Apalkov, Sankt Peterburg, 2003, {{ISBN|5-8172-0069-4}} 4. ^{{cite book|last=Polmar|first=Norman|title=Coldwar submarines|year=2004|publisher=Potomac Books Inc|location=USA|isbn=978-1-57488-594-1|pages=180}} 5. ^{{cite book|last=Polmar|first=Norman|title=Coldwar submarines|year=2004|publisher=Potomac Books Inc|location=USA|isbn=978-1-57488-594-1|pages=180}} 6. ^{{cite book|last=Polmar|first=Norman|title=Coldwar submarines|year=2004|publisher=Potomac Books Inc|location=USA|isbn=978-1-57488-594-1|pages=180}} 7. ^{{cite book|last=Polmar|first=Norman|title=Coldwar submarines|year=2004|publisher=Potomac Books Inc|location=USA|isbn=978-1-57488-594-1|pages=180}} 8. ^{{cite book|last=Polmar|first=Norman|title=Coldwar submarines|year=2004|publisher=Potomac Books Inc|location=USA|isbn=978-1-57488-594-1|pages=180}} External links
1 : Submarine-launched ballistic missiles of the Soviet Union |
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