Why Were Hull Machine Guns removed from modern and cold war tanks?

Question by Dina H: Why Were Hull Machine Guns removed from modern and cold war tanks?

Was it a design fault or something?

Best answer:

Answer by zipzeronada
That was one Hull of a machine gun.

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me and my friend try to design stupid machine, need info? ?

Question by Aaron S: me and my friend try to design stupid machine, need info? ?

ok once this has been answered i’ll tell you how all these things relate:

what is the average weight of a male and female (i mean human, for all those pedantic out there, keep up the good work ; ))

what is the weight of the moon

what is the density of steel

what is the highest amount of rpm achieved by a man made engine including jet turbines and stuff like that.

generally at what speed would a human impacting with water disintegrate or come close to disintegrating (been squashed to about the thickness of a pancake by surface tension is good too)

and just for comparison how many joules was produced when the largest atomic bomb went off.

answer all these and you get best answer and explanation of what the hell we are thinking of making (well not actually making but lathing over, man we’re sadistic).

Best answer:

Answer by Dave D
1 million tons of TNT contains 4.2E15 joules of energy. So the largest atomic bomb ever tested was 60 megatons, or 2.5E17 joules.

When Mythbusters dropped Buster into water from a height of 100 feet, he was utterly destroyed. So you can compute the velocity from that.

The highest RPM ever attained was a small diameter magnetically levitated steel needle, which was spun up to 60 million RPM before the centrifugal force caused it to fail.

Know better? Leave your own answer in the comments!