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The submarines of Project 955 "Borey" (NATO SSBN «Borei» or "Dolgorukiy" after the launching of the first vessel) - a series of Russian nuclear submarines of the class "missile submarine strategic" (SSBNs). As of September 2011, the lead ship - "Yuri Dolgoruky" - is a series of sea trials, a ship - "Alexander Nevsky" - launched one - "Vladimir Monomakh" - is under construction, for the fourth ship is created reserve materials.
In 2011, the voice of a plan built eight ships by 2018. In 2012, according to the newspaper "Kommersant" the plan has changed and includes the construction of 10 ships by 2020.
History of creation Project 955 strategic Borei class submarine
Missile submarine of Project 955 strategic "Northwind" ( Borei ) was developed in TSKBMT "Rubyn" (St. Petersburg), under the leadership of V. A. Zdornov . Length submarine - 160 m maximum water displacement - 24,000 tons. Submerged speed - up to 29 knots. Diving depth - up to 400 m Endurance - 90 days. The crew - 107 people.
Originally, submarines armed with a series of "Northwind" was supposed to be solid-fuel ballistic missile of a new generation of P-39UTTH "Bark", but after three consecutive unsuccessful test launches "Bark" and the disappointing estimate the time required for finishing the rocket, the Defense Ministry decided to develop A new missile system for solid D-19M ballistic missile R-30 "Bulava" (RSM-56).
Sonar equipment a MGK -600. "Amphora-Irtysh-D" - a single set of automated digital sonar, combining himself in the pure sense sonar (sound direction finding, echo direction finding, classification purposes, the detection of HA-signal, HA-bond) and all of hydroacoustic stations "small acoustics "(measurement of ice thickness, measuring the speed of sound, the search for mines, search polynyas and leads, the detection of torpedoes). It is expected that the range of the given set of submarine sonar will surpass the U.S. Navy such as "Virginia."
Class submarine cruisers "Borei" created to eventually replace the submarines of Project 941 "Akula» (Typhoon according to NATO classification) and 667BDRM "Dolphin» (Delta-IV according to NATO classification).
In 2008 against the backdrop of failed launches "Bulava" some experts proposed to convert the project 955 "Borei" by cruise missiles ..
Beginning in the late 1980s, was designed as a two-shaft submarine SSBN is similar in construction project 667BDRM "Dolphin" with a reduced height of the mines under the SLBM missile "Bark." On this project with the submarine factory number 201 and was founded in 1996 In 1998, it was decided to abandon SLBMs "Bark" in favor of SLBM "Bulava" to other dimensions, which led to the redesign of the submarine. At the same time, it became clear that the submarine can not be completed within a reasonable time in the face of declining funding and the disintegration of the Soviet Union and stop the flow of specific brands of metal with a steel plant Zaporozhye (Ukraine), there was a proposal to produce more and redesign groundwork for the use of unfinished submarine project 971 "Schuka-B" (Pike-B) and 949A "Antaeus"
According to the Director General of CDB "Rubyn" A. Diachkov , Project 955 submarines are 5 times less noise than the submarine project 971 "Schuka-B " (Pike-B) and 949A "Antaeus"
The motion is carried out using single-shaft water-jet propulsion system with high performance propulsion. Similarly, submarines of Project 971, "Schuka-B " (Pike-B) , the submarine has two reclining thrusters and retractable bow hydroplanes with flaps.
The submarines are equipped with Project Rescue - rescue bubble chamber, designed for the entire crew. Rescue the camera is located in the building behind the submarine from the SLBM launchers. Also, submarines are equipped with life rafts class KSU-600N-4 in the amount of 5 units.
The project has a double-hulled design. Rugged housing is made, probably made of steel with a yield strength of 100 kgf / mm (thickness 48 mm). Assembling the case is made by the block method: the equipment is installed inside the submarine on the shock absorbers and amortization blocks that are part of the overall system design, two-stage damping (each block is isolated from the rubber-cord pneumatic shock absorbers). Nasal tip of the fence cutting is made with forward lean to improve flow. The hull is covered with rubber radar absorbing reflected waves. Probably the active agents are used to reduce noise.
The boat is installed nuclear power, probably with a pressurized water reactor thermal neutron BM-5 or similar to the steam-generating plant QA-650V output of 190 MW. The system control and protection foam - "Alioth". Rowing of the project according to unconfirmed reports will be installed nuclear power a new generation.
For the motion used single-shaft steam turbine plant with a block GTZA OK-9VM or similar to the depreciation of the improved capacity of 50,000 hp
To improve the maneuverability of submarines equipped with two dual-speed propeller thrusters submersible motors PG-160 rated at 410 hp (According to other sources - 370 hp). Located in the nominated speakers in the rear of the submarine.
Currently, the Severodvinsk JSC "Northern Machine Building Enterprise" (SME) are based on state order two submarines of this class: "Vladimir Monomakh" and "St. Nicholas."
Delays in the construction of ships of the series are related to inadequate funding and a shortage of skilled production workers. State test coincided with the first vessel failure at the primary developers of weapons - rocket complex "Bulava". It is planned the construction of ten submarines. The first three will be put into the Pacific Fleet. Naval Pacific Fleet base in Kamchatka will be ready to receive the submarines of this type in 2009-2010.
November 2, 1996 began construction of the first cruiser of this project - "Yuri Dolgoruky". Originally planned for launch in late 2006, but March 19, 2006 the degree of technical readiness was assessed only at 60%. April 15, 2007 the submarine was taken out of the shop, and February 12, 2008 launched, June 19, 2009 the first boat out to sea on factory performance trials ..
The second submarine "Alexander Nevsky" was laid on March 19, 2004. December 6, 2010 "Alexander Nevsky" was launched. Completion date - 2012.
During the construction of the first two SSBNs "Yuri Dolgoruky" and "Alexander Nevsky" unfinished sections were used and dismantled hulls of submarines of projects 971 "Schuka-B " (Pike-B) (K-133 "Lynx" (on russian transcription "Rys") and K-137 "Cougar" , and 949A "Antaeus" (K-135 "Volgograd" and K-160 "Barnaul").
March 19, 2006, the day of the century submarine fleet of Russia, "Sevmash" was held the ceremony of laying the third class nuclear submarine, "Northwind" - "Vladimir Monomakh". Completion date - 2013.
Work on the construction of the fourth class nuclear submarine, "Northwind" at "Sevmash" began in December 2009 . The ship will be called "St. Nicholas" . It will be built in the modification of 955U and 955A . The number of missile silos will be increased to 20 . At the moment, is almost formed a strong case, although the boat has not yet passed the official ceremony. The official ceremony is scheduled for March 18, 2012, eve of the Day submariner. For the fifth and sixth boats at the moment is created reserve, the official start of construction is expected in early 2012.
a reduced version of this article http://ru.wikipedia.org/wiki/%D0%9F%...B5%D0%B9%C2%BB