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General Info

General Electric
GAU-8/A Avenger


Type Gatling-style autocannon
Place of origin United States
Service history
In service since 1977
Used by United States Air Force (Avenger)
Various navies (Goalkeeper)
Production history
Designer General Electric
Manufacturer General Electric
General Dynamics
Produced since 1977
Variants GAU-12/U Equalizer
GAU-13/A
.
History General Electric General Dynamics GAU-8/A Avenger
In service 1977–present



The General Electric GAU-8/A Avenger is a 30 mm hydraulically driven seven-barrel Gatling-style autocannon that is primarily mounted in the United States Air Force's Fairchild Republic A-10 Thunderbolt II. Designed to destroy a wide variety of ground targets, the Avenger delivers 30mm rounds at a high rate of fire. The GAU-8/A is also used in the Dutch Goalkeeper CIWS ship weapon system, which provides defense against short-range threats such as highly maneuverable missiles, aircraft, and fast-maneuvering surface vessels. The GAU-8/A was designed by General Electric and has been produced by General Dynamics since 1977.

Design


The GAU-8 itself weighs 620 pounds (280 kg), but the complete weapon, with feed system and drum, weighs 4,029 pounds (1,828 kg) with a maximum ammunition load. It measures 19 ft 5+1⁄2 in (5.931 m) from the muzzle to the rearmost point of the ammunition system, and the ammunition drum alone is 34.5 inches (88 cm) in diameter and 71.5 inches (1.82 m) long. Power for operating the gun is provided by twin hydraulic motors pressurized from two independent hydraulic systems. The magazine can hold 1,174 rounds, although 1,150 is the typical load-out. Muzzle velocity when firing armor-piercing incendiary rounds is 1,013 m/s, almost the same as the substantially lighter M61 Vulcan's 20 mm round, giving the gun a muzzle energy of just over 200 kilojoules.

30x173mm round next to a .30-06 Springfield for comparison
 
30
mm

cartridge Caliber

3.6
Km

Effective Range

281
Kg

Gun Weight

1977
Introduction

Introduction

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General Electric General Dynamics GAU-8/A Avenger In service 1977–present

1
        • General Electric GAU-8/A Avenger

          Mass 619.5 lb (281 kg)
          Length 19 ft 10.5 in (6.06 m) (total system)112.28 in (2.85 m) (gun only)
          Barrel length 90.5 in (2.30 m)
          Width 17.2 in (0.437 m) (barrels only)
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2

    • Specifications
      Cartridge 30×173 mm
      Caliber 30 mm
      Barrels 7-barrel (progressive RH parabolic twist, 24 grooves)
      Action Electrically controlled, hydraulic-driven
      Rate of fire 3,900 rpm (variable)
      Muzzle velocity 3,324 ft/s (1,010 m/s) (API)
      Effective firing range 4,000 feet (1,220 m)
      Maximum firing range Over 12,000 feet (3,660 m)
      Feed system Linkless feed system
Special Links General Electric General Dynamics GAU-8/A Avenger In service 1977–present

Links to Youtube & Others

The GAU-8 was created as a parallel program with the A-X (or Attack Experimental) competition that produced the A-10. The specification for the cannon was laid out in 1970,[4] with General Electric and Philco-Ford offering competing designs.

General Electric
GAU-8/A Avenger

General Electric GAU-8/A Avenger is a 30 mm hydraulically driven seven-barrel Gatling-style autocannon

interior

Youtube Link

The GAU-8/A is extremely accurate and can fire up to 3,900 rounds per minute without complications

interior
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Read more in General Electric General Dynamics GAU-8/A Avenger
In service 1977–present

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