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Epic, hugely successful first high-altitude test of Starship.
Twitter ^ | 12/09/20 | Eric Berger

Posted on 12/09/2020 3:19:25 PM PST by Moonman62

Epic, hugely successful first high-altitude test of Starship. The belly flop maneuver test of Starship's aerodynamics was especially impressive. So very much to build on here for the Starship program.


TOPICS: Business/Economy; Chit/Chat
KEYWORDS: aerospaceengineering; engineering; spacex; starship
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95% successful. Hit the pad a little hard due to engine problems during landing.
1 posted on 12/09/2020 3:19:25 PM PST by Moonman62
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To: All

watched in real time, great job elon and spacex team!


2 posted on 12/09/2020 3:20:33 PM PST by SteveH
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To: Moonman62

It was a fuel pressure problem;

https://twitter.com/elonmusk/status/1336809767574982658?s=20


3 posted on 12/09/2020 3:24:51 PM PST by dynoman (Objectivity is the essence of intelligence. - Marilyn vos Savant)
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To: Moonman62

SpaceX stream.

https://www.youtube.com/watch?v=ap-BkkrRg-o


4 posted on 12/09/2020 3:25:43 PM PST by dynoman (Objectivity is the essence of intelligence. - Marilyn vos Savant)
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To: Moonman62

Hit the pad a little hard due to engine problems during landing.
***************************************
Looked to my untrained eye that they transitioned back out of the “belly flop” maneuver just a bit too late.


5 posted on 12/09/2020 3:25:44 PM PST by House Atreides
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To: House Atreides
I watched the engines video upon landing. One of the 3 Raptors didn't ignite, and one other was flaming green, perhaps running lean or low on fuel?.. Were all 3 supposed to ignite upon landing?
6 posted on 12/09/2020 3:27:53 PM PST by CivilWarBrewing (Get off my back for my usage of CAPS, especially you snowflake males! MAN UP!)
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To: Moonman62

Watched live. Engine s/n 32 shut down at ~ 1min. 42secs. Engine s/n 36 shut down after more than 3 mins. Engine s/n 42 performed well the entire flight. The flaps worked perfectly and guided the prototype to a dead center landing. Engine s/n 36 did reignite during the lang but it was sputtering and not much help. With only one engine (s/n 42) working there wasn’t enough thrust to keep it from a hard landing and a subsequent Rapid Unplanned Disassembly.
Prototype number 9 is fully assembled and ready for the next high altitude test. It is outfitted with more mature engines. If they all stay lit and all reignite number 9 should perform as intended.


7 posted on 12/09/2020 3:29:27 PM PST by ocrp1982
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To: SteveH

Other than the Saturn V Apollo, that had to be one of the most fascinating test flights of a launch vehicle that I’ve ever seen. AMAZING stuff, especially the horizontal drift..


8 posted on 12/09/2020 3:30:51 PM PST by CivilWarBrewing (Get off my back for my usage of CAPS, especially you snowflake males! MAN UP!)
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To: Moonman62

Also hearing and seeing it positioned perfectly centered on the pad upon landing attempt.


9 posted on 12/09/2020 3:32:57 PM PST by CivilWarBrewing (Get off my back for my usage of CAPS, especially you snowflake males! MAN UP!)
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To: Moonman62

Other than making it back in one piece, it was a success!


10 posted on 12/09/2020 3:33:02 PM PST by LouieFisk
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To: ocrp1982
Nice detailed summary of engine performance, thanks.

We definitely can't have this happen on Mars, lol.

11 posted on 12/09/2020 3:34:27 PM PST by CivilWarBrewing (Get off my back for my usage of CAPS, especially you snowflake males! MAN UP!)
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To: dynoman

Amazing that they already know the problem. The next Starship is already built, and more are almost finished.


12 posted on 12/09/2020 3:37:47 PM PST by Moonman62 (http://www.freerepublic.com/~moonman62/)
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To: ocrp1982

What about landing arms or struts? Do the fins serve as the struts? I didn’t see any landing arms deploy!!!


13 posted on 12/09/2020 3:38:54 PM PST by CivilWarBrewing (Get off my back for my usage of CAPS, especially you snowflake males! MAN UP!)
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To: SteveH

14 posted on 12/09/2020 3:41:34 PM PST by billorites (freepo ergo sum)
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To: Moonman62

Very cool. Will be something to see the full stack on the super heavy booster.


15 posted on 12/09/2020 3:42:57 PM PST by Dagnabitt
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To: LouieFisk

It was much more successful than I expected.


16 posted on 12/09/2020 3:44:07 PM PST by Moonman62 (http://www.freerepublic.com/~moonman62/)
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To: Moonman62

Looked like they needed about 3-4 more seconds of burst to land safely.


17 posted on 12/09/2020 3:46:47 PM PST by Mashood
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To: Moonman62

Mars is starting to look a lot more important to me.


18 posted on 12/09/2020 3:47:14 PM PST by Empire_of_Liberty
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To: ocrp1982

Thanks for that good info! Were the flaps the primary test? Maybe the more mature engines weren’t risked due to flap uncertainties?


19 posted on 12/09/2020 3:47:26 PM PST by polymuser (A socialist is a communist without the power to take everything from their citizens...yet.)
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To: House Atreides

I watched Scott Manley explain it a few days ago and he wanted to pull up early, too.

By the explosion size, it looks like there was plenty of fuel left.

Not sure how the Astronuts are supposed to survive that.


20 posted on 12/09/2020 4:06:24 PM PST by UNGN
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