Yury Dolgorukiy during sea trials |
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| Career (Russia) | |
|---|---|
| Name: | Yury Dolgorukiy |
| Namesake: | Yuriy Dolgorukiy |
| Builder: | Sevmash |
| Laid down: | 2 November 1996 |
| Launched: | 13 February 2008 |
| Commissioned: | Scheduled for 2011 |
| General characteristics | |
| Type: | Borei-class submarine |
| Displacement: | 14,720 t (14,488 long tons) surfaced 24,000 t (23,621 long tons) submerged |
| Length: | 170 m (557 ft 9 in) |
| Beam: | 13.5 m (44 ft 3 in) |
| Draught: | 10 m (32 ft 10 in) |
| Propulsion: | 1 × OK-650B nuclear reactor 1 × AEU steam turbine 1 shaft |
| Speed: | 25 knots (29 mph; 46 km/h) |
| Complement: | 130 officers and men |
| Armament: | 16 × Bulava SLBMs 6 × SS-N-15 cruise missiles (21 in (533 mm) torpedo tubes) |
K-535 Yuriy Dolgorukiy is the first SSBN submarine of the Borei class of the Project 955 that is being built for the Russian Navy. Named after the founder of Moscow Yuri Dolgoruki, it was laid down on 2 November 1996 and was first planned to enter service in 2001.
However, the SS-N-28 missile that the Borei class was supposed to carry was abandoned after several failed tests, and the submarine was redesigned for the Bulava missile. Bulava missile is smaller than the original SS-N-28, and in the 2007 START treaty data exchange it was reported that all Borei-class submarines would carry 16 missiles instead of 12, as originally intended.
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The submarine was rolled out of its construction hall into a launch dock on 15 April 2007 in Severodvinsk, when it was about 82% complete. The Russian Government has allocated nearly 5 billion rubles, or 40% of the Navy's 2007 weapons budget, for the completion of the submarine.
Some doubts about the conditions in which the boat was launched were expressed to the Russian press by workers and managers at the Sevmash plant, where the construction was taking place. Specifically, workers noted that welding of the submarine's outer hull was in some places unfinished. There was some speculation that Yuriy Dolgorukiy would be rushed through the rest of its production and testing phases in order to be ready for the 2008 Russian presidential elections. Much of the ship's equipment remains as yet uninstalled and untested, a process that would normally take over a year to complete.[1]
On 13 February 2008 Yuriy Dolgorukiy was finally launched from its floating dock in Severodvinsk where the final outfitting took place [1]. The submarine's reactor was first activated on 21 November 2008.[2] and the submarine began its sea trials on 19 June 2009.
In July 2010 ship passed one of company sea trial, in which navigation systems, buoyancy control system, and some other characteristics were tested at sea. Ship completed all company tests in end of September 2010 and now is preparing for state trials.[3]
Initially was planned conduct the first torpedo launches during the ongoing state trials in December 2010 and then in same month conduct the first launch of the main weapon system, R-30 (RSM-56) Bulava missile.[4] The plan was then postponed to mid-summer 2011 due to ice conditions in White Sea [5]
It was expected to be commissioned to Russian Pacific Fleet in the first half of 2011,[6][7] but in December 2010 it was announched that the submarine had technical defects and would be laid up for repairs. The work will take at least six months, and after this the submarine would continue the Bulava missile tests and could be ready for active duty by the later half of 2011.[8]
On 7 June 2011 the submarine left the Sevmash shipyard to continue sea trials and on 28 June the first SLBM (RSM-56 Bulava) was successfully launched.[9][10]
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