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5 votes
0 answers
132 views

What materials are used for human spacecraft pressure vessels and why?

I'm looking for what specific aluminum alloys are used for human-rated spacecraft pressure vessels (habitable module) and why. I've been able to find the material for Orion is Al-2219 but nothing for ...
Retsied's user avatar
  • 151
7 votes
2 answers
363 views

What is the point of launching EM-1 on DIVH/F9H?

EM-1 was originally a full-up test of the SLS block 1B: Orion, ICPS (a modified 5-meter Delta cryogenic second stage), and the first stage/SRBs. NASA administrator Bridenstine’s statement on 3/13/...
lionel's user avatar
  • 321
6 votes
1 answer
683 views

Did Orion do a pad abort test? A live fire abort test?

The CCtCAP customers have to do abort tests to satisfy the NASA Human rating standards. Is Orion going to do a pad abort, and a Max-Q abort, like SpaceX is required to do? Or is Orion being held to ...
geoffc's user avatar
  • 80.5k