What's the maximum rate of fire of one 7.62 mm XM134 minigun on a UH-1B Huey? How many barrels did it have?
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Highlander is semi-retired from AB
ANSWERS: 2
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"In order to develop a weapon with a more reliable, higher rate of fire, General Electric designers scaled down the rotating-barrel 20 mm M61 Vulcan cannon for 7.62 x 51 mm NATO ammunition. The resulting weapon, designated XM134 and known popularly as the Minigun, could fire up to 6,000 rounds per minute without overheating. The Minigun was mounted on OH-6 Cayuse and OH-58 Kiowa side pods, in the turret and wing pods on AH-1 Cobra attack helicopters, on door, pylon and pod mounts on UH-1 "Huey" Iroquois transport helicopters, and on many other helicopters and aircraft. The minigun's multibarrel design helps prevent overheating, but also serves other functions. Multiple barrels allow for a greater capacity for a high firing rate, since the parallel processes of firing/extraction/loading taking place in all barrels simultaneously. Thus, as one barrel fires, two others are in different stages of shell extraction and another three are being loaded." Source: http://wapedia.mobi/en/Minigun Therefore it had six barrels.
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3200-3500 rounds per minute
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