Rotary cannon
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A rotary cannon, rotary autocannon, gatling cannon, gatling autocannon, or incorrectly a minigun, is any large-caliber multiple-barreled automatic firearm that uses a Gatling-type rotating barrel asse
The GAU-8 Avenger seven-barrelled 30 mm rotary cannon of an A-10 Thunderbolt II
Four Soviet/Russian rotary cannons arranged in ascending caliber, from the left: GShG-7.62, GSh-6-23, GSh-6-30, AO-18
Barrel heating in a 7.62mm NATO GAU-17
GShG-7.62, one of the few self-driven Gatlings.
GAU-8 Avenger
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The General Electric GAU-8/A Avenger is a 30 mm hydraulically driven seven-barrel Gatling-style autocannon that is primarily and most famously mounted in the United States Air Force's Fairchild Republ
Rotary cannon
…from 5.56 mm to 30 mm (the prototype T249 Vigilante AA platform featured a 37 mm chambering). Another multi-barrel design is the hydraulically driven GAU-8 Avenger 30 mm autocannon, carried on the A-10 Thunderbolt II (Warthog) attack aircraft, a heavily armored close air-support aircraft. It is a seven-barreled…
The GAU-8/A Avenger's barrel and breech assembly
GAU-8 closeup
30×173 mm round next to a .30-06 Springfield for comparison
GAU-8 mounted in A-10