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Shipunov 2A42

From Wikipedia, the free encyclopedia

This article is about the autocannon. For modular one-man turret that utilises it, see 2A42 Cobra.

2А42 on the Mil Mi-28N helicopter
Typeautocannon
Place of originSoviet Union
Service history
In service1980–present
Used byRussia
Production history
DesignerKBP
Designed1970s
ManufacturerTulamashzavod
Produced1980
Variants2А72
Specifications
Mass115 kilograms (254 lb)
Length3.027 m (9 ft 11.2 in)
Barrel length2,416 millimetres (95.1 in)[1]
Cartridge30 × 165
Caliber30 mm
Barrels1
ActionGas-operated
Rate of fire200 to 300 rds/min (low)
550-800 rds/min (high)[2]
Muzzle velocity960 metres per second (3,100 ft/s)
Effective firing range2,000 metres (2,200 yd) (AP-T)
Maximum firing range4,000 metres (4,400 yd) (HEI)
Feed systemTwin feed

The Shipunov 2A42 is a Soviet/Russian 30 mm autocannon. It is built by the Tulamashzavod Joint Stock Company and named after A. G. Shipunov [ru].[3]

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Transcription

Design

The 30 mm 2A42 autocannon was developed as a replacement for 2A28 Grom and has a dual feed. One is for HE-T and the other for AP-T rounds. The gunner can select one of two rates of full automatic fire, low at 200 to 300 rds/min and high at 550 to 800 rds/min.[4] According to the manufacturer, effective range when engaging ground targets such as light armoured vehicles is 1,500 m while soft-skinned targets can be engaged out to 4,000 m. Air targets can be engaged flying at low altitudes of up to 3,000 m at subsonic speeds and up to a slant range of 2,500 m.[5] In addition to being installed in a two-person turret on the BMP-2 mechanised infantry combat vehicle, this gun is also fitted in the BMD-2 airborne combat vehicle, BMD-3 airborne combat vehicle and BTR-90 (or GAZ-5923) (8 × 8) armoured personnel carrier. A small number of these have now entered service. More recently, the 30 mm 2A42 cannon has been installed in a new turret and fitted onto the roof of the BTR-T heavy armoured personnel carrier based on a modified T-54/T-55 MBT chassis. The cannon is also the main armament of BMPT (Tank Support Fighting Vehicle). It is also used for various armament projects from various manufacturers. The design bureau for the 30 mm 2A42 cannon is the KBP Instrument Design Bureau.

The 2A42 autocannon has also been used on the BMPT and Bumerang-BM, and on unmanned remote controlled weapon station turrets on the new Russian infantry fighting vehicles, Kurganets-25, VPK-7829 Bumerang. and T-15 Armata.

Variants

  • 2A42 – standard version.
    • ZTM-2 - Ukrainian production[6]
    • GTS-30, GTS-30/A - Slovak production with a different muzzle brake[7]
    • GTS-30/N - Slovak version adapted to 30x173mm NATO
  • 2A72 – lighter simplified variant with a lower number of parts, a longer barrel, and higher muzzle velocity, but also a lower rate of fire. It is long recoil-operated, not gas-operated.
    • ABM-M30M3 – remote Weapon Station made by Impulse-2, for Uran-9 or different armored vehicles.
    • ABM-M30M3 Vikhr – another remote weapon station made by Impulse-2.
    • TRT-30 – remote weapon station.[8]
    • ZPT-99 – In the 1990s, the People's Republic of China imported BMP-3 weapon systems technology, and then they re-introduced the cannon. The Chinese production model of 2A72 was named ZPT-99. It was widely used by Chinese armored fighting vehicles.[9]
    • ZTM-1, KBA-2 - Ukrainian production[9]

Ammunition

The 2A42 fires 30×165 ammunition, a cartridge introduced in the 1970s in the Soviet Union to replace previous 30 mm autocannon cartridges. Other weapons using this size of cartridge case include the 2A38, 2A38M, and 2A72 autocannons for various vehicle, helicopter and air defence applications, as well as numerous single-, dual- and six-barrel naval and air force cannons. The 2A42, 2A38, 2A38M, and 2A72 fire percussion-primed ammunition; the naval and aerial cannons use electrical priming, and therefore their ammunition is not interchangeable with the land-based ammunition types, despite the same cartridge case size.[10][11]

Originally three basic types of ammunition were developed in the Soviet Union for the land-based weapons: high-explosive incendiary, high-explosive fragmentation with tracer, and an armour-piercing ballistic capped with tracer. Later a sub-caliber armour-piercing round was introduced, and today also countries other than Soviet Union/Russia manufacture 30 x 165 percussion-primed ammunition. The main types of ammunition are summarized in the table below:

Designation Type Projectile weight (g) Bursting charge (g) Muzzle velocity (m/s) Notes Penetration
3UOF8[12] HEI 389 49g A-IX-2 960 A high-explosive incendiary round with A-670M nose fuze.[13] The fuze produces a 0.15 millisecond delay on impact, and a self-destruct mechanism detonating the projectile after 7.5 to 14.5 seconds of flight (3900–5300 m distance from muzzle).[10] N/A
3UOR6[12] HE-T 385 11.5 g A-IX-2 960 Nose-fuzed high-explosive fragmentation tracer round, utilizing the same A-670M impact/self-destruct fuze as the 3UOF8. Tracer burn time 14 seconds. N/A
3UBR6[12] APBC-T 400 none 970 Solid shot with blunt penetrator covered by a hollow windshield cap.[13] Tracer burn time 3.5 seconds. 20mm RHA at 60 degree impact, 700m range; 22mm RHA at 60 degree impact, 500m range[14]
3UBR8[12] APDS 304 none 1120 A sub-caliber discarding sabot. No tracer. 25mm RHA at 60 degree impact, 1500m
3UBR10[15] APBC-T 398 none 970 A development of 3UBR6 with plastic driving band for reduced barrel wear. Expected to enter service in 2020 20mm RHA at 60 degree impact, 700m
3UBR11[15] APFSDS-T none Modern APFSDS round, developed late 2010s. Production and service status unknown. 1.5 second tracer burn. Unknown
M929 [16] APFSDS-T 235 none 1260 A sub-caliber fin-stabilized discarding sabot round with tracer from Belgian Mecar, with tungsten alloy penetrator. More than 50 mm RHA at 60 degree impact, 1,000m

Airburst munitions for Russian 30mm and 57mm autocannons are in development.[17][18][19][20]

Platforms

Czech-made BMP-2 in Afghanistan, 2010.
Turret of Belarusian-made Volat V2 APC, 2021.

The autocannon has been used since the 1980s on the following platforms:

Infantry fighting vehicles
MRAPs
Unmanned ground vehicles
  • Bars BRShM (2A72)
  • Uran-9 (2A72)[22]
  • UDAR UGV
  • Vikhr UGV (2A72)
Attack helicopters

Similar 30mm autocannons

The 2A72 30mm autocannon, designed by KBP Instrument Design Bureau, is a lighter, less complex cousin of the 2A42, with a longer barrel. While the latter has 578 parts, 2A72 has only 349 parts, allowing it to weigh only 84 kg (with 36 kg barrel). 2A72 uses long recoil principle, resulting in lower recoil (7t instead of 20), but lower rate of fire (300-330 instead of 550). 2A72 is used in:

  • BMP-3 – mounted inbetween 2A70 100 mm gun/launcher and PKT coaxial MG
  • ABM-M30M3 – remote Weapon Station made by Impulse-2, for Uran-9 or different armored vehicles.
  • ABM-M30M3 Vikhr – another remote weapon station made by Impulse-2.
  • TRT-30 – remote weapon station.[8]

The 2A38 and 2A38M are 30mm twin-barrel autocannons, Gast-type. They are mainly used on air defense vehicles like 2K22 Tunguska and Pantsir-S1. It weighs 195 kg and has a maximum rate of fire of 2500 rd/min.

The Ordnance Factory Medak in India has developed the Medak gun[citation needed] and CRN 91 Naval Gun out of this platform.

Users

Current Operators

Former Operators

See also

References

Notes
  1. ^ "30 mm automatic gun 2A42". www.ztsspecial.sk.
  2. ^ "2A42 30mm Automatic Cannon - Minotor-Service, Minsk, Belarus". www.minotor-service.com. Archived from the original on 2 February 2020. Retrieved 4 May 2015.
  3. ^ "30mm Shipunov 2A42". Weaponsystems.net.
  4. ^ "ОАО "Конструкторское бюро приборостроения" - 2А42". kbptula.ru. Archived from the original on 7 February 2021. Retrieved 11 January 2015.
  5. ^ "30-mm AUTOMATIC GUN 2A42". Tulamashzavod. Archived from the original on 20 October 2014. Retrieved 11 January 2015.
  6. ^ "Strazh new Ukrainian BMPT fire support vehicle based on T-64 MBT". Retrieved 5 February 2024.
  7. ^ "30 mm automatic gun 2A42 / GTS-30". Retrieved 25 February 2024.
  8. ^ a b "RG31 gets TRT-30 weapon system". Jane's 360.
  9. ^ a b c "30 mm 2A72". Weaponsystems.net.
  10. ^ a b Jane's Ammunition Handbook 2009, "Cannon – 20 to 30 mm cannon."
  11. ^ "An introduction to collecting 30 mm cannon ammunition". Archived from the original on 13 August 2022. Retrieved 1 March 2019.
  12. ^ a b c d "Land Forces Weapons" (PDF).
  13. ^ a b "Russian Ammunition Page, http://www.russianammo.org
  14. ^ [arsenal-bg.com/c/30x165-mm-rounds-for-automatic-guns-2a38-2a42-and-2a72-137/rapit-capap-t-199 JSC Arsenal AD website.] Retrieved 04/17/2023.
  15. ^ a b https://i.imgur.com/NZa83Od.jpg [bare URL image file]
  16. ^ https://www.nexter-group.fr/images/catalogues/nexter_catalogue_munitions_2016_en.pdf [dead link]
  17. ^ "Russia's military built a "Terminator" and now it's getting smart weapons". Newsweek. 21 June 2018.
  18. ^ "Russia to develop anti-drone shrapnel ammunition". TASS.
  19. ^ "UVZ to unveil modernized BMP-1 with 2A72 cannon at Army 2018 | August 2018 Global Defense Security army news industry | Defense Security global news industry army 2018 | Archive News year". www.armyrecognition.com.
  20. ^ "Russia has developed low cost programmable air explosive ammunition that can be detonated by laser remote control. | jqknews". Archived from the original on 28 November 2018. Retrieved 27 November 2018.
  21. ^ "New K-4386 Typhoon-VDV 4x4 armoured field tested by Russian army". www.armyrecognition.com.
  22. ^ "Russia upgrades Uran-9 combat UGV". Jane's 360.
Bibliography
  • Koll, Christian (2009). Soviet Cannon – A Comprehensive Study of Soviet Arms and Ammunition in Calibres 12.7mm to 57mm. Austria: Koll. p. 271. ISBN 978-3-200-01445-9.

External links

Wikimedia Commons has media related to 30 mm automatic cannon 2A42.
This page was last edited on 4 March 2024, at 17:08
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