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-   -   SpaceX flight testing in South Texas (https://www.pprune.org/space-flight-operations/637604-spacex-flight-testing-south-texas.html)

ORAC 2nd March 2025 22:29

No attempt at a Starship catch tomorrow.


HOVIS 2nd March 2025 23:27

Not surprised really. I mean the block 2 Starship hasn't even made orbit yet.

HOVIS 3rd March 2025 12:40


ORAC 3rd March 2025 22:55

Scrub for the day - next window tomorrow.

ORAC 4th March 2025 12:51

48 hour slip - now targeting the same time on Wednesday.

SpaceX: ”The eighth flight test of Starship is preparing to launch as soon as Wednesday, March 5. The launch window will open at 5:30 p.m. CT.”


MostlyHarmless 4th March 2025 20:35

Really must drop Elon an email and point out that these late (GMT) launches are not convenient and the slips in the launch window are just not on. Push the damn red button and see what happens - that's what "Hardware rich development" means :E

ORAC 5th March 2025 11:19

Musk about the scrub....

Too many question marks about this flight and then we were 20 bar low on ground spin start pressure. Best to destack, inspect both stages and try again in a day or two.

B Fraser 5th March 2025 13:01

Launch now expected tomorrow around 23:30 GMT.

Sam W 6th March 2025 22:42

Everybody in the Caribbean running for cover.

MostlyHarmless 6th March 2025 22:47

They'd safed the FTS from the feed. Wonder if there's the option to un-safe it again?!

ZFT 7th March 2025 02:33

Why cant they report in the English Language? This is gibberish "a rapid unscheduled disassembly"

tdracer 7th March 2025 03:50


Originally Posted by ZFT (Post 11842461)
Why cant they report in the English Language? This is gibberish "a rapid unscheduled disassembly"

Blame the lawyers. Explosion becomes 'rapid unscheduled disassembly' - fire becomes 'rapid oxidation', a broken cable now has 'separated'.

ORAC 7th March 2025 03:59

Footage of SpaceX’s Starship breaking up on reentry over the Bahamas and West Indies.

ORAC 7th March 2025 04:10

Discussion of possible RUD causes….


B Fraser 7th March 2025 14:00


Originally Posted by ZFT (Post 11842461)
Why cant they report in the English Language? This is gibberish "a rapid unscheduled disassembly"

I think they had their tongue in their cheek when they came up with that one. See also "Falcon Heavy", I bet it is.

I used to describe a situation as "Failure Under Continual Test" ......or FUCT.

HOVIS 7th March 2025 15:20


Originally Posted by ZFT (Post 11842461)
Why cant they report in the English Language? This is gibberish "a rapid unscheduled disassembly"

It's an in joke. Fan boys and Musk have been using it for years with tongue firmly in cheek.
Lighten up!

Diff Tail Shim 7th March 2025 16:02


Originally Posted by B Fraser (Post 11841293)
Launch now expected tomorrow around 23:30 GMT.

Cannot remember that many Apollo's blowing up. Had issues, yes, in all the tests, but not like Musks lot.

tdracer 7th March 2025 16:20


Originally Posted by Diff Tail Shim (Post 11842918)
Cannot remember that many Apollo's blowing up. Had issues, yes, in all the tests, but not like Musks lot.

The Saturn V has the rather unique claim that it never experienced a failure that prevented the payload from reaching earth orbit. No other US launch system with more than 10 launches can make that claim.
What Musk and company is doing is much closer to what the US did with the Atlas - launch one, see what fails, fix it and try again. Similar to Starship, Atlas's were mass-produced (I think total production was over a thousand).
Even after the Atlas was man-rated for the Mercury program, the failure rate was not low - around 25% - NASA was somewhat fortunate that four manned Mercury-Atlas launches were successful.
Obviously Starship will need to get far better reliability than that before they can think of man-rating it.

tdracer 7th March 2025 16:32

Just stumbled across this - puts things into perspective a bit:

Some people just don’t get it, however:
NASA has lost 42 spacecraft and 17 astronauts.

DoD has lost 550 spacecraft.

Space X has lost 9 spacecraft out of 477 launches. Frequently the ones being lost are EXPEREMENTAL.

Diff Tail Shim 7th March 2025 18:19


Originally Posted by tdracer (Post 11842930)
The Saturn V has the rather unique claim that it never experienced a failure that prevented the payload from reaching earth orbit. No other US launch system with more than 10 launches can make that claim.
What Musk and company is doing is much closer to what the US did with the Atlas - launch one, see what fails, fix it and try again. Similar to Starship, Atlas's were mass-produced (I think total production was over a thousand).
Even after the Atlas was man-rated for the Mercury program, the failure rate was not low - around 25% - NASA was somewhat fortunate that four manned Mercury-Atlas launches were successful.
Obviously Starship will need to get far better reliability than that before they can think of man-rating it.

Von Braun was lucky.


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