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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
2 votes
1 answer
436 views

What are some details of ISRO's Gaganyaan Mission?

What are the some design features of Indian Human spaceflight Programme's Gaganyaan capsule? How much of the testing is done and what are its future plans?
Navoneel Karmakar's user avatar
12 votes
1 answer
419 views

Human-rating the Saturn V using modern standards

Would a complete Apollo-Saturn stack (like e.g. AS-506) be human-rated according to the latest human-rating process (NPR 8705.2C) of NASA? If not, what are the biggest show-stoppers? This question ...
Polygnome's user avatar
  • 6,967
6 votes
2 answers
4k views

What are the most difficult challenges SpaceX will face getting astronauts to Mars by about 2025?

SpaceX has been announcing very ambitious goals such as starting to send manned missions to Mars in order to (eventually) create a colony, and recently there has been a substantial release of more ...
Ricardo Antunes's user avatar
3 votes
1 answer
223 views

Which current (2016) ISS resupply vehicles are human-rated, and how many astronauts can they each support?

Based on the situation in 2016: Which vehicles that are in use for ISS resupply missions are human-rated by any space agency? (Bonus points for a list broken down by country of origin and/or the ...
user's user avatar
  • 7,350
3 votes
1 answer
197 views

When is the PTK NP spacecraft likely to be launched?

The PTK NP spacecraft seems to be the future successor of the Soyuz spacecraft. Does anyone know when the first launch will likely be? The estimates I have seen vary a lot, so what will be realistic?
SE - stop firing the good guys's user avatar
5 votes
0 answers
116 views

Were all the rockets in the Atlas family man-rated?

Based off what I can find online, and in history books; only the first Atlas rocket could send crew into space, but there is potential for man rates Atlas v rockets (which man rating about that has ...
CBredlow's user avatar
  • 1,247
22 votes
4 answers
6k views

Why are the very reliable rockets Atlas V and Ariane V not rated for human flight?

During the last ten years all 100 or so launches by Atlas V and Ariane V together have been successful. (One Atlas V payload entered too low orbit, but that would hardly have risked the life of a crew)...
LocalFluff's user avatar
8 votes
1 answer
952 views

What specifications is the ISRO crew module fabricated to?

http://www.thehindubusinessline.com/news/science/human-space-flight-prog-hal-hands-over-crew-module-assembly-to-isro/article5685195.ece writes to say Hindustan Aeronautics Ltd (HAL) has handed ...
Everyone's user avatar
  • 13.7k