70 I was trying to visualize firing the 105MM. There must have been a hell of a shudder when firing. (United States Air Force Gunships in the Vietnam)
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This article is from the Vietnam FAQ, by Brian Ross, John R. Tegtmeier, Edwin E. Moise, Frank Vaughan, John Tegtmeier with numerous contributions by others.
70 I was trying to visualize firing the 105MM. There must have been a hell of a shudder when firing. (United States Air Force Gunships in the Vietnam)
Actually, it wasn't too bad. I think the way the hydraulics worked was
something along the lines of the sleds in a tractor pull contest,
where the further you pull, the greater the resistance from the sled.
(How's that for eclectic? Gunships to tractor pulls in the same FAQ!)
I know that as the gun reached the end of recoil, it was traveling
quite slowly. Never felt at risk reaching in over the cage to open the
breech block.
As far as vibration goes, the factory engineers said there was less
stress on the airframe than what came with a normal four-engine run up
on the ground. Was noisy as hell in the enclosed space though-even
with helmets and earphones on.
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