BRRRRTTTT!! Cool 3D animation shows how A-10 Warthog’s GAU-8 Avenger 30mm cannon works

BRRRRTTTT!! Cool 3D animation shows how A-10 Warthog’s GAU-8 Avenger 30mm cannon works

By Dario Leone
May 6 2021
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The General Electric GAU-8/A Avenger is a 30 mm hydraulically driven seven-barrel Gatling-style autocannon that is typically mounted in the US Air Force’s Fairchild Republic A-10 Thunderbolt II.

The cool video in this post features a 3D animation showing how a GAU-8 Avenger 30mm cannon system works.

The General Electric GAU-8/A Avenger is a 30 mm hydraulically driven seven-barrel Gatling-style autocannon that is typically mounted in the US Air Force’s Fairchild Republic A-10 Thunderbolt II. Designed specifically for the anti-tank role, the Avenger delivers very powerful rounds at a high rate of fire.

According to Air Force Flight Test Center news release, the GAU-8/A is extremely accurate and can fire up to 3,900 rounds per minute without complications. The 30-mm shell has twice the range, half the time to target, and three times the mass of projectiles fired by guns mounted in comparable close air support aircraft.

Removing an installed GAU-8 from an A-10 requires first installing a jack under the aircraft’s tail to prevent it from tipping, as the cannon makes up most of the aircraft’s forward weight.

Davis Monthan A-10C Print
This print is available in multiple sizes from AircraftProfilePrints.com – CLICK HERE TO GET YOURS. A-10C Thunderbolt II 355th FW, 354th FS Bulldogs, FS/82-684. Davis-Monthan AFB, AZ – 2015

The muzzle velocity of the GAU-8/A is about the same as that of the M61 Vulcan cannon, but the GAU-8/A uses heavier ammunition and has superior ballistics. The time of flight of its projectile to 4,000 feet is 30 percent less than that of an M61 round; the GAU-8/A projectile decelerates much less after leaving the barrel, and it drops a negligible amount, about 10 feet over the distance.

The GAU-8/A accuracy when installed in the A-10 is rated at 5 miliradans 80 percent meaning that 80 percent of rounds fired will hit within a cone with an angle of five milliradians; this equates to a 40-foot diameter circle at the weapon’s design range of 4,000 feet. By comparison, the M61 has an 8-milliradian dispersion.

Video: 3D Mil-Tech


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Dario Leone

Dario Leone

Dario Leone is an aviation, defense and military writer. He is the Founder and Editor of “The Aviation Geek Club” one of the world’s most read military aviation blogs. His writing has appeared in The National Interest and other news media. He has reported from Europe and flown Super Puma and Cougar helicopters with the Swiss Air Force.

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