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atcsundevil
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SpaceX - Tests, Launches, Developments - 2020

Wed Jan 08, 2020 8:39 pm

Please continue from the previous thread.

viewtopic.php?p=21913771
 
zanl188
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Re: SpaceX - Tests, Launches, Developments - 2020

Fri Jan 10, 2020 11:18 am

‘The fairing deploys a parafoil and has the ability to manipulate it to control descent rate and direction. You can find videos of tests and some of the near misses where it's under the chute.“

Yes, but those facts are already in evidence. I’m looking for the underlying tech that makes recovery work. Tech, which apparently, isn’t working as well as hoped.

Surely SpaceX is not just hoping that the net and the fairing just happen to end up in the same place at the same time.
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Nomadd
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Re: SpaceX - Tests, Launches, Developments - 2020

Fri Jan 10, 2020 7:35 pm

The Starship Pathfinder tank at Boca Chica had a short life. It was only assembled (for the 2nd time) yesterday.

Image
 
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Tugger
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Re: SpaceX - Tests, Launches, Developments - 2020

Fri Jan 10, 2020 9:16 pm

Nomadd wrote:
The Starship Pathfinder tank at Boca Chica had a short life. It was only assembled (for the 2nd time) yesterday.

Image

Well THAT doesn't look right.... Do they test it under vacuum or something?

Tugg
I don’t know that I am unafraid to be myself, but it is hard to be somebody else. - W. Shatner
Productivity isn’t about getting more things done, rather it’s about getting the right things done, while doing less. - M. Oshin
 
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Nomadd
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Re: SpaceX - Tests, Launches, Developments - 2020

Sat Jan 11, 2020 5:37 am

Tugger wrote:
Nomadd wrote:
The Starship Pathfinder tank at Boca Chica had a short life. It was only assembled (for the 2nd time) yesterday.

Well THAT doesn't look right.... Do they test it under vacuum or something?

Tugg

That's what I thought, but Elon said welds failed at 7.1 bar. Close to the 8.4 bar (6 bar + 40% margin) they needed. They hope to meet specs with a little better fabrication techniques.
Last edited by Nomadd on Sat Jan 11, 2020 5:41 am, edited 2 times in total.
 
ThePointblank
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Re: SpaceX - Tests, Launches, Developments - 2020

Sun Jan 12, 2020 2:55 am

Good test-fire of the Falcon 9 ahead of the in-flight abort test of Crewed Dragon, with a no earlier launch date of January 18th:

https://spaceflightnow.com/2020/01/11/s ... bort-test/
 
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Francoflier
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Re: SpaceX - Tests, Launches, Developments - 2020

Tue Jan 14, 2020 3:06 am

Can't wait for that launch. That should be pretty spectacular.

Tugger wrote:
Well THAT doesn't look right.... Do they test it under vacuum or something?


I wonder if they are encountering the same issues as the early Atlas rockets whose integral stainless steel tanks had to be kept pressurized to retain their shape...
I'll do my own airline. With Blackjack. And hookers. In fact, forget the airline.
 
JHwk
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Re: SpaceX - Tests, Launches, Developments - 2020

Tue Jan 14, 2020 5:32 am

Tugger wrote:
Nomadd wrote:
The Starship Pathfinder tank at Boca Chica had a short life. It was only assembled (for the 2nd time) yesterday.

Image

Well THAT doesn't look right.... Do they test it under vacuum or something?

Tugg

Hydrostatic test; deformation likely happened when water above created a partial vacuum when it failed.
 
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Francoflier
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Re: SpaceX - Tests, Launches, Developments - 2020

Wed Jan 15, 2020 2:51 am

JHwk wrote:
Tugger wrote:
Nomadd wrote:
The Starship Pathfinder tank at Boca Chica had a short life. It was only assembled (for the 2nd time) yesterday.

Image

Well THAT doesn't look right.... Do they test it under vacuum or something?

Tugg

Hydrostatic test; deformation likely happened when water above created a partial vacuum when it failed.



I watched the grainy video of the test and you're absolutely right.
It was filled with water, failed at the welds at 7.1 bars, then as the water flowed out of the welds on the side it created a vacuum at the top.
Not a bad test overall then.
I'll do my own airline. With Blackjack. And hookers. In fact, forget the airline.
 
zanl188
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Re: SpaceX - Tests, Launches, Developments - 2020

Sat Jan 18, 2020 10:36 am

Inflight launch abort test has been scrubbed for today due to recovery area weather. Next attempt same time tomorrow.
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SRQLOT
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Re: SpaceX - Tests, Launches, Developments - 2020

Sun Jan 19, 2020 3:39 pm

Congrats SpaceX!!!!!!!! So exciting to see the whole event live on tv!!! Very exciting, now will have to see a launch on the other coast!!!
LO LH CL BA AZ WN UA DL AA B6 NK G4
WAW,KRK,FRA,LGW,FCO,SLP,MTY,ORD,MDW,RFD,LAS,DFW,ATL,RDU,BNA,BHM,CLT,BOS,DTW,FLL, MCO,RSW,TPA,SRQ (LOT,C09,LL40,DPA,6S8)
717 733/7/8/9/M8 744 752/3 763 788 319 320 321 332/3 M90 RJ85 CR9 Q400 E7/95 (PA28,152)
 
zanl188
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Re: SpaceX - Tests, Launches, Developments - 2020

Sun Jan 19, 2020 3:45 pm

Inflight abort test was uneventful. Congrats SpaceX!
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flyingturtle
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Re: SpaceX - Tests, Launches, Developments - 2020

Sun Jan 19, 2020 3:47 pm

That was amazing to watch! Especially the detonation of the booster...

Hi... God... was I a good booster?

No, B1046. You were the best booster.
Reading accident reports is what calms me down
 
zanl188
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Re: SpaceX - Tests, Launches, Developments - 2020

Sun Jan 19, 2020 4:00 pm

For those that missed the test...

https://youtu.be/RIViYmnknZQ
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JetBuddy
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Re: SpaceX - Tests, Launches, Developments - 2020

Sun Jan 19, 2020 4:06 pm

It's interesting the Falcon 9 booster exploded.

Just prior to the launch, the SpaceX guy said they had run simulations and it was expected to disintegrate. And that they had ships ready to pick up the debris.

I think they learned quite a lot from this test, not only about the launch escape system, but also the structural integrity of the F9 booster itself.

Congrats SpaceX for a successful test!
 
zanl188
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Re: SpaceX - Tests, Launches, Developments - 2020

Sun Jan 19, 2020 8:10 pm

Booster didn’t so much explode as catch fire.
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zanl188
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Re: SpaceX - Tests, Launches, Developments - 2020

Sun Jan 19, 2020 8:26 pm

Post flight press conference

https://youtu.be/ggxhLa2xJOA
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GDB
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Re: SpaceX - Tests, Launches, Developments - 2020

Sun Jan 19, 2020 8:33 pm

Well done Space X.
Hopefully crew riding that bird soon.
And as ever, great fun to watch, even during the tenser moments.

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