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GSh-6-23
The Gryazev-Shipunov GSh-6-23 (russian: Грязев-Шипунов ГШ-6-23) (GRAU designation: 9A-620 for GSh-6-23, 9A-768 for GSh-6-23M modernized variant) is a six-barreled 23 mm rotary cannon used by some modern Soviet/Russian military aircraft. The GSh-6-23 differs from most American multi-barreled aircraft cannon in that it is gas-operated, rather than externally powered via an electric, hydraulic, or pneumatic system. The GSh-6-23 uses the 23×115 Russian AM-23 round, fed via linked cartridge belt or a linkless feed system. The linkless system, adopted after numerous problems and failures with the belt feed, is limited. Fire control is electrical, using a 27 V DC system. The cannon has 10 pyrotechnic cocking charges, similar to those used in European gas-operated revolver cannon such as the DEFA 554 or Mauser BK-27. The rapid rate of fire exhausts ammunition quickly: the Mikoyan MiG-31 aircraft, for example, with 260 rounds of ammunition (800 rounds maximum), ...
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Rotary Cannon
A rotary cannon, rotary autocannon, rotary gun or Gatling cannon, is any large- caliber multiple-barreled automatic firearm that uses a Gatling-type rotating barrel assembly to deliver a sustained saturational direct fire at much greater rates of fire than single-barreled autocannons of the same caliber. The loading, firing and ejection functions are performed simultaneously in different barrels as the whole assembly rotates, and the rotation also permits the barrels some time to cool. The rotating barrels on nearly all modern Gatling-type guns are powered by an external force such as an electric motor, although internally powered gas-operated versions have also been developed. The cyclic multi-barrel design synchronizes the firing/reloading sequence. Each barrel fires a single cartridge when it reaches a certain position in the rotation, after which the spent casing is ejected at a different position and then a new round is loaded at another position. During the cycle, ...
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Rotary Cannon
A rotary cannon, rotary autocannon, rotary gun or Gatling cannon, is any large- caliber multiple-barreled automatic firearm that uses a Gatling-type rotating barrel assembly to deliver a sustained saturational direct fire at much greater rates of fire than single-barreled autocannons of the same caliber. The loading, firing and ejection functions are performed simultaneously in different barrels as the whole assembly rotates, and the rotation also permits the barrels some time to cool. The rotating barrels on nearly all modern Gatling-type guns are powered by an external force such as an electric motor, although internally powered gas-operated versions have also been developed. The cyclic multi-barrel design synchronizes the firing/reloading sequence. Each barrel fires a single cartridge when it reaches a certain position in the rotation, after which the spent casing is ejected at a different position and then a new round is loaded at another position. During the cycle, ...
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Mikoyan MiG-31
The Mikoyan MiG-31 (russian: link=no, Микоян МиГ-31; NATO reporting name: Foxhound) is a supersonic interceptor aircraft that was developed for use by the Soviet Air Forces. The aircraft was designed by the Mikoyan design bureau as a replacement for the earlier MiG-25 "Foxbat"; the MiG-31 is based on and shares design elements with the MiG-25. The MiG-31 is among the fastest combat jets in the world. It continues to be operated by the Russian Air Force and the Kazakh Air Force following the end of the Cold War and the collapse of the Soviet Union in 1991. The Russian Defence Ministry expects the MiG-31 to remain in service until 2030 or beyond; that was confirmed in 2020 when an announcement was made to extend the service lifetime from 2,500 to 3,500 hours on the existing airframes. Development Origins The single-seat MiG-25 could achieve high speed, altitude and rate of climb; however, it lacked maneuverability at interception speeds and was difficult to fly at ...
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Sukhoi Su-24
The Sukhoi Su-24 (NATO reporting name: Fencer) is a supersonic, all-weather attack aircraft developed in the Soviet Union. The aircraft has a variable-sweep wing, twin-engines and a side-by-side seating arrangement for its crew of two. It was the first of the USSR's aircraft to carry an integrated digital navigation/attack system. It remains in service with the Russian Air Force, Syrian Air Force, Ukrainian Air Force, Algerian Air Force and various other air forces to which it was exported. Development Background One of the conditions for accepting the Sukhoi Su-7B into service in 1961 was the requirement for Sukhoi to develop an all-weather variant capable of precision air strikes. Preliminary investigations with ''S-28'' and ''S-32'' aircraft revealed that the basic Su-7 design was too small to contain all the avionics required for the mission. OKB-794 (later known as Leninets) was tasked with developing an advanced nav/attack system, codenamed ''Puma'', which would be at ...
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Gryazev-Shipunov GSh-6-30
The Gryazev-Shipunov GSh-6-30 (Russian: Грязев-Шипунов ГШ-6-30) is a Russian 30 mm rotary cannon aircraft-mounted and naval autocannon used by Soviet and later CIS military aircraft. The GSh-6-30 fires a 30×165mm, projectile. Description The GSh-6-30, designed in the early 1970s and entering service in 1975, has a six barrel design that is similar to the Gryazev-Shipunov GSh-6-23. It was based on the naval AO-18 used in the AK-630 system. Unlike most modern rotary cannons, it is gas-operated rather than hydraulically driven, allowing it to "spin up" to maximum rate of fire more quickly, allowing more rounds to be placed on target in a short-duration burst. This makes the weapon advantageous in dogfights, where pilots often have a very small window for engaging the enemy. Ignition is electrical, as with the smaller GSh-6-23. On the MiG-27 "Flogger" the GSh-6-30 had to be mounted obliquely to absorb recoil. The gun was noted for its high (often uncomfortable ...
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Pyrotechnic Cocking Charge
A pyrotechnic cocking charge is a device used to cock or re-cock a gas-operated automatic cannon, such as the Mauser BK-27 or the Gryazev-Shipunov GSh-6-23. Such devices are not necessary in an externally powered cannon, such as the electrically driven M61 Vulcan, where the external power source is used to operate the mechanism of the weapon. The number of charges carried varies by design – the GSh-6-23 The Gryazev-Shipunov GSh-6-23 (russian: Грязев-Шипунов ГШ-6-23) (GRAU designation: 9A-620 for GSh-6-23, 9A-768 for GSh-6-23M modernized variant) is a six-barreled 23 mm rotary cannon used by some modern Soviet/Russian military ... has a generous complement of ten, while others have as few as one. One of the benefits of an automatic cannon that isn't powered electrically is that they accelerate to their maximum rate of fire much more quickly. There is less "spin-up" time for the barrels than with an externally powered rotary cannon. Autocannon ...
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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. Description A gun pod typically contains one or more guns, a supply of ammunition, and, if necessary, a power source. Electrically powered cannon, such as the M61 Vulcan, may be powered from the aircraft's electrical system or by a ram-air turbine. Gun pods increase a vehicle's firepower without occupying internal volume. When not required for a specific mission they can be omitted to save weight. On some vehicles they isolate delicate internal components such as radar from the weapon's recoil and gases, and for jet aircraft allow the weapons to be mounted away from the intakes of the engines, reducing problems of gun-gas ingestion, which may cause the engine to stall. When designed to be suspension-mounted on a hardpoint on a typical post-WW II ...
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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 of the main enterprises in the field of Russian defense industry, based in Tula. It is engaged in designing high-precision weapon systems for the Army, the VMF and the VKS, as well as anti-air defense systems, high-rate-of-fire cannons and small arms, in addition to civilian products. Its full name goes as "Joint-Stock Company Instrument Design Bureau named after Academic A. G. Shipunov". Its shareholders include High Precision Systems, part of the State Corporation Rostec. The designing of high-precision weaponry is the priority of the KBP. The enterprise designs air-to-ground, ground-to-air and ground-to-ground weaponry. In addition to these, KBP also develops modern autocannons and grenade launchers. It also manufactures automatic, ha ...
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23×115mm
The 23×115mm round is used in Soviet (USSR)/Russian/ CIS aircraft autocannon. Although superseded by the 30×165mm round the Russian Air Force still uses it in the GSh-23L (in the aircraft's tail turrets and in the UPK-23-250 gun pod) and the GSh-6-23 (in the Su-24). This round still serves in many countries and is widely available. The projectile weight is 175 grams. History The round was derived from the 14.5×114mm round by necking it out to 23 mm. The original rounds used a lower power charge of 33 g of sw 4/7 powder and achieved 690 m/s at a maximum pressure of 294.3 MPa. In 1954 an improved ammunition was introduced, featuring better projectile design and ballistic properties. The newer rounds have a powder charge to achieve 720 m/s. Weapon platforms * Nudelman-Suranov NS-23, used in the An-2, Il-10, Il-22, La-9, La-11, La-15, MiG-9, Yak-7, Yak-9U, Yak-15, Yak-17, and Yak-23 fighters; and in the Mi-2US, Mi-2URN, and Mi-2URP helicopters ...
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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 (bullets) fired by a machine gun. Autocannons have a longer effective range and greater terminal performance than machine guns, due to the use of larger/heavier munitions (most often in the range of , but bigger calibers also exist), but are usually smaller than tank guns, howitzers, field guns or other artillery. When used on its own, the word "autocannon" typically indicates a non-rotary weapon with a single barrel. When multiple rotating barrels are involved, such a weapon is referred to as a "rotary autocannon" or occasionally " rotary cannon", for short (particularly on aircraft). Autocannons are heavy weapons that are unsuitable for use by infantry. Due to the heavy weight and recoil, they are typically installed on fixed mo ...
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M61 Vulcan
The M61 Vulcan is a hydraulically, electrically, or pneumatically driven, six- barrel, air-cooled, electrically fired Gatling-style rotary cannon which fires rounds at an extremely high rate (typically 6,000 rounds per minute). The M61 and its derivatives have been the principal cannon armament of United States military fixed-wing aircraft for over sixty years. The M61 was originally produced by General Electric. After several mergers and acquisitions, it is currently produced by General Dynamics. Development At the end of World War II, the United States Army Air Forces began to consider new directions for future military aircraft guns. The higher speeds of jet-powered fighter aircraft meant that achieving an effective number of hits would be extremely difficult without a much higher volume of fire. While captured German designs (principally the Mauser MG 213C) showed the potential of the single-barrel revolver cannon, the practical rate of fire of such a design was stil ...
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Gryazev-Shipunov GSh-23
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-23 works on the Gast Gun principle developed by German engineer Karl Gast of the Vorwerk company in 1916. It is a twin-barreled weapon in which the firing action of one barrel operates the mechanism of the other. It provides a much faster rate of fire for lower mechanical wear than a single-barrel weapon. Although it cannot match the sustained rate of fire of an electric Gatling gun like the M61 Vulcan, its initial rate of fire can be higher than that of a rotary cannon like the M61 due to it not needing to spin up to fire. It requires no external power source to operate, but is instead powered by the recoiling of the floating barrels, somewhat like the action of the German MG-42. The Gast principle has been little used in the We ...
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