Quote:
Originally Posted by rocky raccoon
I think the SR71 has an escape capsule, not a simple ejection seat. In any case, when bailing, oxygen goes with you and when at extreme altitudes, parachute opening is delayed until something like 20kft. This gets the escapee into a warmer, breathable atmosphere rapidly as well as slowing him down for a more controlled parachute deployment.
As a guess, I would say terminal velocity at 80kft could be as high as 300mph. USAF Capt. Kittinger who made research jumps from a balloon at 102kft reached a velocity exceeding 600mph. A small drogue parachute was needed for stability until his main chute deployed.
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I believe you are thinking of the B-58. It had a pod that encapsulated each crew member.
https://thelexicans.wordpress.com/2012/12/31/the-stanley-b-58-escape-pod/
The SR71 system is just an ejection seat. Per this article, it will work from stand still to max speed. I cannot imagine punching out at mach 3, pressure suit or not.
https://www.quartoknows.com/blog/quartodrives/sr-71-flight-ejection-system
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