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3 votes
Accepted

Will a human mission to Mars require artificial gravity?

Micro-gravity is Probably Not a Show Stopper I'm highly skeptical of Musk's claims at this point, especially regarding any kind of timeline, but I don't think a micro-gravity only trip to Mars is out ...
codeMonkey's user avatar
  • 1,593
2 votes

Feasibility of landing Starship's Super Heavy booster on a droneship

The problem is that Superheavy does not have landing legs so any landing would need a catching structure similar to that at the launch site. Superheavy is very tall so would need a very tall catching ...
Slarty's user avatar
  • 9,323
1 vote

Starship deorbit process

Starship is currently still in the development phase, so what is seen on current Starship test vehicles and test flights does not fully predict the final operational design. For example after the ...
Steve Pemberton's user avatar
5 votes
Accepted

Has SpaceX attempted to recover wreckage from its Starship launches?

SpaceX has submitted two Programmatic Environmental Assessments (PEA) for its Starship/Super Heavy Launch Vehicle Program. They make it clear they would prefer not to recover remains of their launch ...
Galerita's user avatar
  • 872
0 votes

Why did SpaceX decide to change their Starship names from SN to just S?

They moved to calling the upper stage "Ship" and thus "S" and the first stage "Booster" and thus "B".
geoffc's user avatar
  • 79.6k
2 votes

Why has SpaceX changed Starship from carbon fiber composite to stainless steel?

Musk has said that the strength-to-weight ratio of the two materials is actually not all that different, but stainless is far less expensive and easier to work with. He has mentioned high scrap rates ...
Anthony X's user avatar
  • 17.5k
2 votes

How many heat shield tiles are installed on Starship and what is their total volume roughly?

At 1:24:00 in SpaceX's IFT3 broadcast, Kate says that there are 18,000 heat shield tiles on Starship. Each hexagonal tile is 9.5" (0.2413m) across the short diagonal. The area of the hexagonal ...
phil1008's user avatar
  • 4,240
-4 votes

Starship maintaining tank pressure during reentry and landing

You are correct in assuming the over-pressure is prevented through the use of pressure-release valves. (ref) To address the part of your question that asks During landing, the walls cool down, ...
phil1008's user avatar
  • 4,240
1 vote

Starship maintaining tank pressure during reentry and landing

When Starship re-enters most of the energy of re-entry will be absorbed or deflected by the tiles. Some heat will be absorbed into the tank, however as stated any resultant pressure build up can be ...
Slarty's user avatar
  • 9,323
10 votes

How do we know Starship 28 was lost?

This question is simply counterfactual. The call was not immediate by any stretch of the term. On the stream from SpaceX, the video from Starship breaks up about T+48:40, and over the next 90 seconds ...
Darth Pseudonym's user avatar
7 votes

How do we know Starship 28 was lost?

They lost communications with two independent systems simultaneously, if this was due to interference you'd expect them to be lost at slightly different times as they use different transmitters, ...
Alan Birtles's user avatar
  • 2,066
3 votes
Accepted

Any way to estimate IFT-3 mishap investigation timeframe?

There is no way of knowing. The purpose of the mishap investigation is to figure out what went wrong and how to prevent it. How long it takes to figure that out depends on what wrong and how hard it ...
Jörg W Mittag's user avatar

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