![]() ![]() Reports at the time indicated that the Ukrainian military distracted the Moskva's air defense operators with a drone, allowing two sea skimming Neptunes to slam into the warship unimpeded. Russia's naval reputation took probably its most serious hit of the war in Ukraine in April 2022 when Ukrainian shore batteries using domestically developed Neptune anti-ship missiles sank the flagship and biggest warship in Moscow's Black Sea Fleet, the cruiser Moskva (Moscow), in a nighttime engagement. In 2022, Moscow official media reported that Russia was considering decommissioning the massive Typhoon class submarine, an intercontinental ballistic missile-carrying vessel designed to give Moscow the ability to launch undetected strikes with nuclear device-tipped missiles at targets worldwide. It announced in Russian and Ukrainian media that that the world's largest nuclear submarine by displacement, the Dmitry Donskoi, was being withdrawn from active duty and would be struck from Kremlin warship lists. The subsequent revision of the PUF also revealed irreparable great corrosion damage to the steam generator pipe systems from the side of the secondary circuit, which required a complete replacement of the PPU compartment (there was a replacement BM-40A installation kit).The Russian Navy, once one of the world's most prestigious and feared, sailed a bit closer towards rust and disintegration on Monday. PPU had to be taken out of action and “frozen”. In April 1982, during a cruise of the K-123 nuclear submarine, a PPU accident occurred - due to improper crew actions, the alloy was thrown into the compartment through the impulse pipe of the gas system. Others pointed to the high combat qualities of the nuclear submarines: project 705 and 705K boats could successfully evade enemy torpedoes precisely at the expense of speed and maneuverability, short time to bring the reactor out of a subcritical state into energy mode, and ease of control. Some, and most of them, considered this a mistake due to the accident rate and low reliability of the equipment. The use of liquid metal coolant reactors in nuclear submarines has two opposing views. With the withdrawal of the last submarine from the Navy from the Navy, a certain stage in the development of ship nuclear energy was completed. This made it possible to ensure the compactness of the reactor installation, which is important when creating submarines of limited displacement, to ensure high maneuverability, and to increase the reliability and safety of the reactor installation. ![]() Leypunsky laid the foundations for a new direction in nuclear energy, and a unique reactor technology was demonstrated on an industrial scale. ![]() Today it can be considered universally recognized that in the IPPE under the direction of A.I. The commanders and officers of submarines with reactor facilities developed at the IPPE gave a very high rating to the submarine itself and its nuclear power plant, calling it a “miracle boat” that was far ahead of its time. The K-705 submarines were decommissioned in 1990, and the 705K submarines in 1996. for these problems in the early 90s, when the submarine fleet began to decline, they began to be decommissioned. For speed, the submarine of project 705 was even listed in the Guinness Book of Records.Īt the same time, even with good PPU, the operation of the boats of projects 705 and 705K with LMT had certain difficulties, such as the difficulty of eliminating malfunctions due to the tightness of the reactor compartment, the need for an external energy source when being at the base with the reactor shut off, the need for regular regeneration of the coolant. It took them about 1 minute to accelerate to full speed, and it took 42 seconds to circulate with a 180° turn. Project 705 and 705K submarines had record high underwater speed (more than 40 knots) and maneuverability, they successfully completed several long autonomous trips. ![]()
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