Generally the design working G limit has been either 7 1/2 or 9 - and
with a 50% safety factor that means the structural yield limit ( bent
and won't 'unbend' either 11 1/4 or 13.5 G. Human G tolerance depends

Great post, as usual, Walt. My favourite present day example is the F/A-18.
It is limited by the FCS to 7.5 G, but it maneuvers like a SOB!
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José Herculano