Tango-class submarine

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Tango class submarine.JPG
A Tango class submarine in the North Atlantic.
Class overview
Builders: Gorky
Preceded by: Foxtrot class submarine
Succeeded by: Kilo class submarine
Completed: 18
Active: 1
Lost: 0
Retired: 14
Preserved: 3
General characteristics
Displacement:

Surfaced: 3100tons

Submerged: 3800tons
Length: 91 m (298 ft 7 in)
Beam: 9.1 m (29 ft 10 in)
Draught: 7.2 m (23 ft 7 in)
Propulsion: 3 diesels delivering 4.6MW (6256shp) with 3 electric motors driving 3 shafts.
Speed:

Surfaced: 13kts

Submerged: 16kts
Complement: 62 men (12 officers)
Armament:

Six 533mm (21in)bow.

24 533mm (21in) anti submarine and anti ship torpedoes or equivalent load of mines
For the pre-1914 submarines also known as the Som class in Russia, see Som class submarine.

The Russian Tango class submarines (Project 641B Som [Catfish]) were the successors to the Foxtrot class submarine based in the Black Sea and Northern Fleet areas. The first of the class was completed in 1972 at Gorky. A total of 18 were built in two slightly different versions. The later type was several metres longer than the first possibly because of installation of ASW missile equipment.

The bow sonar installations appear to be similar to those fitted into Soviet nuclear attack submarines. The propulsion plant was the same as the last subgroup of the Foxtrot class submarine. The Tango class had far more battery capacity, far higher than previous conventional submarine class in the Soviet Navy. As a result, pressure hull volume increased. This allowed an underwater endurance in excess of a week before snorkeling was required.

Coupled with new armament and sensor fit, the Tango class were ideal for ambush operations against Western nuclear submarines at natural chokepoints.

Because of its all-hull rubber coating, the sub class was nicknamed "rezinka" [rubber][citation needed]

Construction of this class has now stopped. One unit remains in the Black Sea Fleet but it may have been decommissioned since 2010.[citation needed]

Museum ships[edit]

Three 641B class submarines operate as museum ships:

  • B-307, fully raised on ground - Togliatti Museum of Technology, Samara, Russia
  • B-396, afloat in Tushino reservoir - Moscow Navy Museum
  • B-515, afloat in Baakenhafen in Hamburg - museum in Hamburg

Conning towers of stricken B-319 and B-474 are on display in Polyarny and Ryazan.

Tango B-396
Torpedo Room

See also[edit]

Media related to Tango class submarine at Wikimedia Commons

References[edit]

  • The Encyclopedia Of Warships From World War Two To The Present Day, General Editor Robert Jackson.

External links[edit]