Submarine "Lada", a project 677

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2020-05-24 14:20:22

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Military operations at sea have many distinctive features. No wonder the naval service has always been considered a special honor and the title of “Admiral” is almost always valued above the generals. One of the features of the battle on the water is that attacks can always expect not only from enemy surface ships and aircraft, but also from under the water.

submarine LadaSubmarine the Germans have become a real nightmare for the allies during the Second World war, sending to the bottom of the Atlantic, millions of tons of cargo and thousands of ships. The Soviet Union appreciated the German contribution to the development of the submarine fleet, starting in the postwar period, advanced development in this direction.

In the word “sub” most people immediately associate with a huge ship, submarine, carrying on Board deadly cargo in the form of heavy ballistic missiles that can bring huge problems potential enemy. The townsfolk forget that in the modern Navy is no less valuable are the small diesel-electric submarine. They are indispensable in fact subversive, for a concealed landing on a hostile shore.

One of the most successful projects was the submarine «Lada». About it today, we will tell.

General information

Ships of project 667 are intended to perform reconnaissance and sabotage actions against surface ships and enemy submarines, protection of coastal areas from enemy assault, and laying minefields and other similar tasks. Thus, submarine «Lada», a photo of which is in the article, is optimally suited for the problems of modern war, which requires maximum mobility and stealth.

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A Feature of the submarines of this series is the scheme of their building, called the “single”. The fact that the housing (made of steel AB-2) has the same diameter throughout its length. Unlike a big nuclear boat, the bow and stern have a pronounced spherical shape. Thanks to the bulkheads divide the hull is divided into five independent compartments. Decks on the ship three.

Lada boatImpressive hydrodynamic features are provided through the housing is specially designed especially good streamlined shape. Retractable devices have exactly the same boom that characterized the ships of project 877, but the aft tail made crosswise, and the front wheels are mounted on the fence. This is done in order that they create the least possible interference with the operation of the sonar equipment, which are equipped submarine. The project «Lada» in this sense, is a real standard: it's extremely quiet, it is extremely difficult to detect by means of sonar and hydroacoustics.

Armed submarines

The Main means of defense and attack are six units to launch torpedoes caliber of 533 mm, and two mines on the upper deck is designed for firing guided munitions. Standard ammunition consists of 18 torpedoes. Often submarine «Lada 677” uses a universal ammo type (SAET-60M, PST), special torpedoes to destroy enemy submarines. On Board can be cruise missiles, as well as 22 mines, model DM-1. There is a possibility of military use of anti-submarine missiles "Flurry".

The firing System allows both single shots and burst shooting from six mines at a time. For reloading the torpedo tubes meets the complex “snake”, which allows to conduct the entire operation in a fully automatic mode. The whole process is completely controlled from the command of the commander of the paragraph, which is equipped submarine. The project «Lada» was the first in the Soviet Union, the development of conventional submarine ship, which would have used such a number of complex and high-performance automation.

submarines of project 677 LadaTo protect boats from combat aircraft of the enemy, the crew can use the six MANPADS model "Igla-1M». Coordination of all combat systems is provided through the use of the system “Li”. Thus, submarine «Lada», weapons which we painted, with small dimensions, a way to bring big problems for any opponent.

Sonar complex

For sonar exploration meets the complex called "Lira", composed of powerful and sensitive antenna. The system includes three antennas, one located on the nose of the submarine, and the two – mounted on its sides. Engineers maximized the diameter for precision measurement of underwater noise. Thus, the front antenna occupies almost all the space on the nose of the submarine. In case of damage on-Board equipment produced by a sonar apparatus that submarine «Lada» (project 677) can tow behind you on the March.

Navigation

Navigation system – an inertial type. Responsible for providing data on the exact location of the ship, and for determining the optimal speed at which the available on-Board weapons can be used with maximum efficiency.

As part ofthe system includes a periscope-type equipment CPC “Parus-98”, which is composed of the following elements:

  • Non-Penetrating periscope commander, “Sail-98КП”. Has a day and low-level channels (optical and TV). The magnification varies from 1.5 to 12X, there is the possibility of video data being monitored.
  • The optronic Mast, non-penetrating type, “Sail-98УП”. Is actually multi-purpose periscope. As part of the design – two channels (day and low level), the magnification – as commander of the telescope, a high performance laser range finder.

Thus, submarine «Lada», the performance characteristics of which we have briefly painted, can with equal success be used in day and night conditions. She is always staying invisible to the enemy.

Other elements of the navigation system

Lada submarine project 677The most Important element is the radar system model radar KRM-66 “Kodak”. Includes active and passive radio signals, can operate in combined mode. In active use, can be activated particularly protected, hidden link. It gives a complete picture of the surrounding submarine environment (including surface), but did not unmask the ship. In this sense submarine «Lada» (project 677) is in many ways a unique facility, which is unique in the world there really is, corny as this may sound expression.

Digital communication system model “Distance”. Allows you to exchange information in a bidirectional secure communication channel with shore-based command posts, vehicles and aircraft (subject to finding at periscope depth). If there is a need to urgently send an important message with great depth, used prom towed antenna. This equipment is located in a particularly rugged, able to protect him, even in the event of hostilities. Simply put, «Lada» - the boat is very tenacious.

Finally, the complex navigation equipment "Appassionata". Contains the inertial navigation system of the type and the module of satellite navigation GPS/GLONASS. The location accuracy when using it is extremely high, but depends on proximity to a base station adjustments for a particular “provider”.

Power plant

“Heart” of the submarine is a diesel-electric powerplant, made by the scheme, which provides for movement exclusively on electric move. This differs from foreign analogues submarine «Lada». TTS (transport technology systems) foreign ships of this class can provide only the movement of the diesel engine.

submarine LadaThe Diesel engine is located in the fourth compartment. For electricity generation there are two generator brand 28ДГ associated with the rectifiers with a capacity of 1000 kW each. The energy is stored in two groups of batteries. Each of them is 126 elements (they are in the first and third compartments). The total aggregate capacity of the entire installation in peak condition - 10580 kW/h working engine – electric, excited by permanent magnets. Mark SED-1, the specific power is equal to 4100 kW.

The Selected motor power and battery capacity is not accidental. The fact is that at this ratio, it becomes possible to Express the loading of the battery, which is almost twice reduces the presence of the submarine at periscope depth. As part of the generator has no brush collector apparatus, maintenance and operation of the entire installation is dramatically simplified and becomes much safer. In this regard, «Lada» boat -, in many ways ahead of his time.

Basic layout engines

Variable speed electric power unit takes the role of the main mover in all the travelling States of the ship. In principle, we have said that movement on one diesel only the course is not provided in principle. The propeller has seven blades made by special low noise technology. This situation was largely achieved through the saber blade shape that produces minimal noise during movement. In addition, the submarine has two external steering column brand RDK-35.

submarine Lada photoThe Maximum achievable speed in the surface position reaches node 21. Submerged submarine does not accelerate more than 10 knots. The cruising range is about 6,000 miles, but when driving economical speed, you can increase the resource estimated at 650 miles.

About the conditions of life and work of a ship's crew

The crew included 35 people. To rescue people in case of emergency rescue system provides KSU-600. It involves remote automatic release of the liferafts model PSNL-20. A total of two pieces, they are located in the add-on for retractable devices.

The Living area of the submarine is located in the third compartment. Unlike surface ships of the USSR and Russia, the crew created a very good environment. For the personnel intended double cabins. Each officer put in a separate room.

The meal is in the mess combined withpantry room. The food, depending on their characteristics and storage requirements, are located in the cooled and non-cooled storage rooms. In recent years, the submarines of this series were installed galley equipment new sample: with very compact dimensions it provides a rich and varied cooking of rations for the crew.

The Reserves of fresh water are stored in tanks from stainless steel. To replenish the supply of food, fresh water right in the field. For this purpose, are desalination plants, which use heat from operating diesel engines. In General, in the regular course of the campaign of water supplies sufficient to meet not only domestic, but also technical needs. Fully loaded with all the necessary submarine remains offline for 45 days.

Further operation and prospects of the ship

As it often happens, the submarine «Lada» not too successfully coped with the test of time. The fact that its technical characteristics do not meet modern requirements that apply to this class of vessels. So, at the moment there is an intensive work on creation of anaerobic power plants. At the end of 2012, the desire to acquire six submarines of project 677 «Lada» expressed India's long-time strategic partner of our country.

Simply put, the country needs such diesel-electric submarines, which could be in the military campaigns as longer time without needing to rise even to periscope depth. Submarine «Lada», airindependent power plant which will be brought to perfection, can take many months of “heats”. It should be noted that research in this direction are quite successful.

What's new?

Innovations in the design of the well proven vehicle would be made a lot. The developer is the famous enterprise of CDB me «Rubin». In mid-2013, it was finally decided that the submarine «Lada» will continue to stand in service of the Russian Navy. In a modernized, of course, the option.

A Large number of domestic experts have devoted to the modernization of the onboard electronic systems. Has been completely rethought automation torpedo installation, almost completely redone (including the use of modern technology) mechanics electric power plant.

Left "bypassed" and navigation: considering how many new solutions were laid into it, we can safely say that this system re-created. Not surprisingly, this submarine «Lada» inevitably attracts the attention of foreign customers.

submarine 677 LadaFirst the stocks will go “Kronstadt”. Oddly enough, but the former “old woman”, which were fully written off, today became one of the most advanced conventional submarines in the world. It's safe to say that while maintaining the pace of work they would be happy to buy not only the Russian Navy, but many foreign customers, supporting the country's budget.

However, like many submarines of project 677 «Lada» today the need of Russia is, as these ships are an excellent means of protection of Maritime borders and coasts, which our country has in abundance.


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Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."

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