AK-230

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Template:Short description Template:More footnotes needed Template:Infobox weapon

The AK-230 is a Soviet radar-controlled 30mm naval anti-aircraft autocannon. It is mounted in an enclosed automatic turret and directed by radar. The AK-230 is widely used,<ref name="Friedman2006"/> mounted on large warships as well as small craft. About 1450 guns were produced in the USSR, and about 300 were produced in China as the Type 69. It was succeeded by the more powerful AK-630 from the mid-to-late 1970s.

Development and service

File:Ak-230.JPG
The rear of an AK-230 on the deck of the ORP Wodnik.

Development of the weapon began during the 1950s, with the first trial weapon fitted to the Osa class of fast attack missile boats and Shershen class torpedo boats. The weapon was officially accepted into service in 1969. Its service life was relatively short due to the fielding of the AK-630 system in the mid-1970s, which uses the same mountings and can be controlled by the same fire control systems. While its 30×210 mm round was much more powerful than the AK-630's 30×165 mm one, having the muzzle velocity of Template:Convert (the same as with 30×173 mm GAU-8's cartridge), the moderately powered AK-630's round allowed for much higher rates of fire, especially in a Gatling-type weapon, which was considered more advantageous for the anti-aircraft system.

Description

The weapon consists of two stabilized NN-30 30 mm water-cooled four chamber revolver cannons, which are mounted inside a riveted steel turret. The gun mechanism is gas operated.<ref name="Friedman2006">Template:Cite book</ref> The guns each weigh Template:Convert and have barrels Template:Convert long, and a total length of Template:Convert. The barrels are rifled with 12 grooves. The guns each have a rate of fire of 1,000 round per minute; they are fed by independent 500-round belts of ammunition.<ref>Template:Cite web</ref><ref>Template:Cite web</ref>

The rounds are electrically fired; propellent gases are used to eject the spent shells and belt links into a space between the magazine and the hull. The ballistic maximum range for the weapon is about Template:Convert, but realistic ranges for engaging air targets are quoted as between Template:Convert.

The weapon is remote-directed, typically by a fire-control system linked to either a MR-104 Rys (NATO reporting name: Drum Tilt) or MR-103 Bars (NATO reporting name: Muff Cobb) radar systems.

Ammunition

The AK-230 fires specially developed 30x210B 30 mm ammunition that is electrically primed. Two rounds were developed: a high-explosive round with an impact fuze, and an armour-piercing round. The Chinese Type 69 fires only a locally produced version of the high-explosive round. Ammunition is also produced in Romania and Serbia.

File:Naboj szkolny 30x210B.jpg
Dummy cartridge
File:Tasma i luska do AK-230.jpg
Type HE AP-T
Designation OF-83D BR-83
Weight
Round Template:Convert Template:Convert
Projectile Template:Convert Template:Convert
Explosive content Template:Convert of
A-IX-2		 -
Muzzle velocity Template:Convert

Specifications

Variants

  • AK-230 A type - For ships with 220 V DC power systems.
  • AK-230 B type - For ships with 380 V AC power systems.
  • AK-230M - Less magnetized version for minesweepers (380 V AC).
  • Type 69 - Chinese upgraded version, total weight 3,600 kg. Shells are ejected outside of the turret. a faster 50 degree/second traverse.

Platforms

AK-230

AK-230M

References

Template:Reflist

General references

Template:Commons category

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