Originally Posted by
This will give you the basics. Obviously multiple ejection could give problems in later life, hence they limit them.
[url
https://sites.nd.edu/biomechanics-in-the-wild/2021/04/06/top-gun-trauma-the-effects-of-ejecting-from-a-fighter-jet-on-the-spine/[/url]
Single ejections on 80 fps seats, eg mk 4 can have the same effect !,