The Gryazev-Shipunov GSh-30-2 (ГШ-30-2) or GSh-2-30 is a

Soviet The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, it was nominally a federal union of fifteen nation ...

dual-barrel autocannon developed for use on certain ground attack

military aircraft A military aircraft is any fixed-wing or rotary-wing aircraft that is operated by a legal or insurrectionary armed service of any type. Military aircraft can be either combat or non-combat: * Combat aircraft are designed to destroy enemy equi ...

and

helicopter A helicopter is a type of rotorcraft in which lift and thrust are supplied by horizontally spinning rotors. This allows the helicopter to take off and land vertically, to hover, and to fly forward, backward and laterally. These attributes ...

s. The cannon is not related to the

Gryazev-Shipunov GSh-30-1 The Gryazev-Shipunov GSh-30-1 (also known by the GRAU index designation 9A-4071K) is a 30 mm autocannon designed for use on Soviet and later Russian military aircraft, entering service in the early 1980s. Its current manufacturer is the R ...

, but is a

recoil-operated Recoil operation is an operating mechanism used to implement locked breech, autoloading firearms. Recoil operated firearms use the energy of recoil to cycle the action, as opposed to gas operation or blowback operation using the pressure of the ...

cannon using the Gast principle, like the Gryazev-Shipunov GSh-23L. The GSh-30-2 was designed for the Sukhoi Su-25

ground attack In military tactics, close air support (CAS) is defined as air action such as air strikes by fixed or rotary-winged aircraft against hostile targets near friendly forces and require detailed integration of each air mission with fire and movement ...

plane and can also be carried in external

gun pod A gun pod is a detachable pod or pack containing machine guns, autocannons, revolver cannons, or rotary cannons and ancillaries, mounted externally on a vehicle such as a military aircraft which may or may not also have its own guns. Descriptio ...

s. It measures 2,044 × 222 × 195 mm, with a barrel length of 1500 mm and a weight of 105 kg. The GSh-30K is a modified version with 2400 mm long

water-cooled Cooling tower and water discharge of a nuclear power plant Water cooling is a method of heat removal from components and industrial equipment. Evaporative cooling using water is often more efficient than air cooling. Water is inexpensive and no ...

barrels, a variable rate of fire, and dimensions of 2,944 × 222 × 195 mm. It is used on a fixed mounting on late model Mil Mi-24 helicopters, e.g. the Mi-24P.

Variants

* GSh-30-2 * GSh-30-2K

Specifications (GSh-30-2)

* Manufacturer:

KBP Instrument Design Bureau JSC ''Konstruktorskoe Buro Priborostroeniya'' (KBP) (russian: АО «Конструкторское бюро приборостроения», AO konstruktórskoje bjuró priborostrojénija Joint-Stock Company - Instrument Design Bureau) is one ...

* Type: dual-barrel autocannon * Caliber: 30×165 mm, electrically primed * Operation:

recoil operation Recoil operation is an operating mechanism used to implement locked breech, autoloading firearms. Recoil operated firearms use the energy of recoil to cycle the action, as opposed to gas operation or blowback operation using the pressure of the p ...

* Length: 2,044 mm * Barrel Length: 1,500 mm * Weight (complete): 105 kg * Rate of fire: 1,000–3,000

rpm Revolutions per minute (abbreviated rpm, RPM, rev/min, r/min, or with the notation min−1) is a unit of rotational speed or rotational frequency for rotating machines. Standards ISO 80000-3:2019 defines a unit of rotation as the dimensionl ...

* Muzzle velocity: 870 m/s * Projectile weight: 390 g * Mounting platforms: Sukhoi Su-25 "Frogfoot"

Specifications (GSh-30-2K)

* Manufacturer:

* Type: dual-barrel autocannon * Caliber: 30×165 mm * Operation:

* Length: 2,944 mm * Barrel Length: 2,400 mm * Weight (complete): 126 kg * Rate of fire: 300

(low) – 2,000–2,600

(high) * Muzzle velocity: 940 m/s * Projectile weight: 390 g * Mounting platforms:

Mil Mi-24P The Mil Mi-24 (russian: Миль Ми-24; NATO reporting name: Hind) is a large helicopter gunship, attack helicopter and low-capacity troop transport with room for eight passengers. It is produced by Mil Moscow Helicopter Plant and has been ...

"Hind", Sukhoi Su-25 “Frogfoot”

References

* * https://web.archive.org/web/20130717042854/http://www.kbptula.ru/index.php?option=com_content&view=article&id=1&Itemid=1&lang=en

Users

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External links