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 List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, ...

dual-barrel

autocannon An autocannon, automatic cannon or machine cannon is a fully automatic gun that is capable of rapid-firing large-caliber ( or more) armour-piercing, explosive or incendiary shells, as opposed to the smaller-caliber kinetic projectiles (bul ...

developed for use on certain ground attack

military aircraft A military aircraft is any Fixed-wing aircraft, fixed-wing or rotorcraft, 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 ...

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 attribu ...

s. The cannon is not related to the Gryazev-Shipunov GSh-30-1, 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 Gryazev-Shipunov GSh-23 ( rus, ГШ-23) is a twin-barreled 23 mm autocannon developed in the Soviet Union, primarily for military aircraft use. It entered service in 1965, replacing the earlier Nudelman-Rikhter NR-23 and Rikhter R-23. ...

. The GSh-30-2 was designed for the

Sukhoi Su-25 The Sukhoi Su-25 ''Grach'' (russian: Грач ('' rook''); NATO reporting name: Frogfoot) is a subsonic, single-seat, twin-engine jet aircraft developed in the Soviet Union by Sukhoi. It was designed to provide close air support for Sovi ...

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 movemen ...

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 n ...

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

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

* Caliber:

30×165 mm 3 (three) is a number, numeral and digit. It is the natural number following 2 and preceding 4, and is the smallest odd prime number and the only prime preceding a square number. It has religious or cultural significance in many societie ...

, 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 * Muzzle velocity: 870 m/s * Projectile weight: 390 g * Mounting platforms:

"Frogfoot"

Specifications (GSh-30-2K)

* Manufacturer:

* Type: dual-barrel

* Caliber:

* Operation:

* Length: 2,944 mm * Barrel Length: 2,400 mm * Weight (complete): 126 kg * Rate of fire: 300 rpm (low) – 2,000–2,600 rpm (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

* *

External links