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Thread: SpaceX

  1. #3541
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    Mary's up with the chickens, then stays up for late night tests. She's earning that NSF press pass.

    SN-08 is getting her main fins

    Super Heavy #1's common dome barrel sighted (it has a sign ID'ing it)

    Another try at blowing up SN-07.1 tonight(?). Tough little SOB.

  2. #3542
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    It will end up as a perfectly round steel soccer ball and still not blow up.
    With sufficient thrust, water towers fly just fine.

  3. #3543
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    I didn’t reread all the pages, but when I came across a topic about SpaceX, I remembered how the phrase from Russia was that “we will no longer provide Baikonur for launches, use a trampoline”. The trampoline is excellent. I would say one of the best in the world.

  4. #3544
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    Aha. After 21 hours of people keeping a close eye on the tests and AFAIK three attempts, SpaceX has successfully failed the SN7.1 tank! The top blew off (but the straps prevented it from going ballistic).

    So the only thing to hope for now is that it blew up above the minimum required strength. Which seems likely, otherwise they'd have managed to blow it up much sooner.
    With sufficient thrust, water towers fly just fine.

  5. #3545
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    Twitter video of SN-07.1 going POP!

    https://twitter.com/NASASpaceflight/...08407713705984

  6. #3546
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    Next up: prepping SN-08 for her 18km/60,000ft flight

    IMG_20200923_081500.jpg

    https://twitter.com/brendan2908/stat...21425612173317

  7. #3547
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    Quote Originally Posted by docmordrid View Post
    Twitter video of SN-07.1 going POP!

    https://twitter.com/NASASpaceflight/...08407713705984
    So what was the final pressure?

  8. #3548
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    They haven't said yet. Musk will likely tweet it.

  9. #3549
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    Not missing a beat...

    Boca Chica road closures

    Primary Date: September 27, 2020
    Backup Dates: September 28 & 29, 2020
    Time (all dates): 2200 - 0700 Eastern

  10. #3550
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    SPadre @SpacePadreIsle
    Starship SN8 to rollout to pad tomorrow morning for first round of testing Sunday!!! 🤪🤩🚀
    Nose cone likely installed after successful static fires.
    http://cameroncounty.us/spacex/

    https://twitter.com/spacepadreisle/s...05601900756994

  11. #3551
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    You need to look close, but they're doing fin actuator tests on SN-08.

    https://twitter.com/brendan2908/stat...80652868235265

  12. #3552
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    Raptor Vacuum (RVac) breaths fire!

    And as promised, RVac can also fire at sea level o_0

    This RVac B, good for currently planned missions (orbit, cislunar). RVac C will be optimized for a higher specific impulse.

    [https://youtu.be/sQdFJmqdjKE]
    Last edited by docmordrid; 2020-Sep-25 at 12:34 PM.

  13. #3553
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    Quote Originally Posted by docmordrid View Post
    Raptor Vacuum (RVac) breaths fire!

    And as promised, RVac can also fire at sea level o_0

    This RVac B, good for currently planned missions (orbit, cislunar). RVac C will be optimized for a higher specific impulse.

    [https://youtu.be/sQdFJmqdjKE]
    The video came back 404 not found.

    If this is the test you refer.
    https://www.youtube.com/watch?v=xWMveO-_cD4
    Last edited by bknight; 2020-Sep-25 at 05:12 PM. Reason: Found different link

  14. #3554
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    Starship SN-08 cryo-testing

    Primary date: Tuesday, September 29
    Secondary date 1: Wednesday, September 30
    Secondary date 2: Thursday, October 1
    Times: 2200 - 0700 Eastern

  15. #3555
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    @SpaceX
    Static fire test complete – targeting Tuesday, September 29 for Falcon 9's launch of the GPS III Space Vehicle 04 mission

    https://twitter.com/SpaceX/status/1309443268233445376

    Time: 2155-2210 Eastern (0155-0210 GMT)

  16. #3556
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    "SpaceX’s GPS contract modified to allow reuse of Falcon 9 boosters"

    https://spacenews.com/spacexs-contra...on-9-boosters/

    A SpaceX Falcon 9 rocket for the first time next year will launch a military GPS satellite with a previously flown main booster, the U.S. Space Force announced Sept. 25.

    The company reached an agreement earlier this month with the Space and Missile Systems Center so SpaceX can launch two GPS satellites next year using previously flown boosters. SMC said this will save the government more than $52 million in launch costs.

    Although SpaceX routinely recovers and reuses rocket hardware in its commercial and NASA launches, the U.S. military has only recently started to allow SpaceX to recover boosters in GPS missions. The company on June 30 launched the third vehicle of the GPS 3 constellation with a brand-new Falcon 9 booster and recovered it.
    I am because we are
    (African saying)

  17. #3557
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    Yup, DoD is "getting it."

    Starship SN-08 Rollout Day....

    IMG_20200926_083031.jpg

    https://twitter.com/zechmix/status/1309831560187777024

  18. #3558
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    As Musk said about the moon missions before and I've noticed in my industry with new technologies versus big, inert organizations: the easiest and fastest way to convince them it's possible often is to just do it yourself.
    With sufficient thrust, water towers fly just fine.

  19. #3559
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    SN-08 rollout - and she's now at the test stand.

    IMG_20200926_134639.jpg

    https://twitter.com/elonmusk/status/1309909732954533889

  20. 2020-Sep-26, 06:02 PM

  21. #3560
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    Elon Musk@elonmusk
    Sep 26, 2020
    Replying to @elonmusk
    Nosecone & front flaps next week. SN9 next month.
    ||
    First flight is to 15km or ~50,000 ft

    https://twitter.com/elonmusk/status/1309910946219876353

  22. 2020-Sep-26, 06:27 PM

  23. #3561
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    Pranay Pathole @PPathole
    Sep 26, 2020
    Replying to @PPathole and @elonmusk
    Will u attempt SN9 for 20km?
    |
    Elon Musk @elonmusk
    We just need enough height to test body flaps & drawing propellant from headers vs main tanks. Will do several flights to confirm working well, then add heat shield & go high Mach.
    |
    Chris B - NSF @NASASpaceflight
    Sep 26, 2020
    Replying to @elonmusk @austinbarnard45 and @PPathole
    Sidenote: Did SN7.1 get to an acceptable bar rating before pop? (per SN8 confidence, given the same alloy).
    |
    Elon Musk@elonmusk
    8 bar differential in ullage, 9 bar at base due to propellant head. It’s enough. Improvements in work.
    |
    Viv @flcnhvy
    Sep 26, 2020
    Replying to @elonmusk @NASASpaceflight and 2 others
    Did you switch to 30X yet? Or is it still 304L?
    |
    Elon Musk @elonmusk
    Mostly 304L, some 301. Broke at 301 to 304 interface. SN9 will be all 304. Also, we’re making some tweaks to the 304 alloy mixture

  24. #3562
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    IMG_20200921_135415.jpg

    HOUSTON (NASA PR) — NASA and SpaceX now are targeting 2:40 a.m. EDT Saturday, Oct. 31, for the launch of the agency’s SpaceX Crew-1 mission with astronauts to the International Space Station.

    The new target date will deconflict the Crew-1 launch and arrival from upcoming Soyuz launch and landing operations.*This additional time is needed to ensure closure of all open work, both on the ground and aboard the station, ahead of the Crew-1 arrival.*The increased spacing also will provide a good window of opportunity to conduct additional testing to isolate the station atmosphere leak if required.

    SpaceX continues to make progress on preparations of the Crew Dragon spacecraft and Falcon 9 rocket, and the adjusted date allows the teams additional time for completing open work ahead of launch.

    Astronauts*Michael Hopkins,*Victor Glover, and*Shannon Walker*of NASA and*Soichi Noguchi*of the Japan Aerospace Exploration Agency (JAXA) will be carried to the station on the SpaceX Crew Dragon spacecraft on a Falcon 9 rocket from Launch Complex 39A at NASA’s Kennedy Space Center in Florida.

    The launch will be the first time an international crew will fly aboard a NASA-certified, commercially-owned and operated American rocket and spacecraft from American soil.

    Following the launch, the Crew-1 astronauts are scheduled to arrive at the space station for a six-month science mission aboard the orbiting laboratory.

    NASA is in the final stages of the data reviews needed ahead of certification following the agency’s SpaceX Demo-2 test flight. Teams from NASA and SpaceX will provide an update on the process during upcoming*media briefings*beginning at 11 a.m. EDT on Tuesday, Sept. 29, hosted from the agency’s Johnson Space Center in Houston.

    For more information about the mission, visit:**https://www.nasa.gov/commercialcrew.
    ​​​​​​​

  25. #3563
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  26. #3564
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    Quote Originally Posted by docmordrid View Post
    IMG_20200921_135415.jpg



    ​​​​​​​
    I assume when they get to the ISS they'll ring the doorbell and yell "Trick or Treat".
    At night the stars put on a show for free (Carole King)

    All moderation in purple - The rules

  27. #3565
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    I was annoyed at having missed a Falcon launch yesterday, then discovered it was postponed for weather. That was to have been a Starlink launch but now there's a GPS launch for tomorrow.
    Cum catapultae proscriptae erunt tum soli proscript catapultas habebunt.

  28. #3566
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    SpaceX @SpaceX
    Sep 29, 2020
    After launch of Crew Dragon’s first operational mission with astronauts on board, SpaceX will launch its 21st cargo resupply mission to the ISS – the first to use the upgraded version of Dragon outfitted for cargo missions
    |
    Once this Dragon docks to the @space_station, there will be two Dragons docked simultaneously. Between crew and cargo missions, there will be at least one Dragon spacecraft attached to the @space_station for the entirety of 2021

    https://twitter.com/SpaceX/status/1310962995321696256

  29. #3567
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    Jeff Foustb@jeff_foust (Space News)
    On to the Crew-1 briefing. Steve Stich, NASA commercial crew manager, notes this mission will set the record for the longest time a US spacecraft has been docked in orbit (current record is the Apollo spacecraft on the final Skylab mission.)
    |
    Jeff Foust @jeff_foust
    Replying to @jeff_foust
    SpaceX’s Reed says he’s not sure how many Dragon spacecraft will be needed for the 7 crew/cargo missions in next 14 months; some will be reused. As for private astronaut missions, see the first “late next year.”

    https://twitter.com/jeff_foust/statu...81649941790728
    https://twitter.com/jeff_foust/statu...93183044775941

  30. #3568
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    Enter: Crew Dragon "Resilience"

    The DM-2 review found 2 main issues;

    1) slightly more heat shield erosion than expected around the Trunk's 4 tension ties (attachments). Fix: harder tiles there.

    2) the parachutes opened within the specified altitude range, but a little low. Fix: use a different altitude sensor.

    https://spacenews.com/nasa-and-space...f-crew-dragon/

    NASA and SpaceX wrapping up certification of Crew Dragon

    WASHINGTON — NASA and SpaceX are finalizing reviews of minor changes to the Crew Dragon spacecraft that they expect will be complete before the first operational mission launches to the International Space Station at the end of October.
    >
    The four astronauts who will fly on the Crew-1 mission — NASA astronauts Mike Hopkins, Victor Glover and Shannon Walker, and JAXA astronaut Soichi Noguchi — said they were ready for the flight, having finished all their training for the mission except for a few final simulator sessions. The astronauts announced that, following the tradition of the Demo-2 mission, where astronauts Bob Behnken and Doug Hurley named their Crew Dragon spacecraft “Endeavour,” they had selected the name “Resilience” for their spacecraft.

    “I think all of us can agree that 2020 has certainly been a challenging year,” Hopkins said. “The name ‘Resilience’ is really in honor of the SpaceX and NASA teams and, quite frankly, it’s in honor of our families, our colleagues, our fellow citizens, international partners and leaders, who have all shown that same quality, that same characteristic through these difficult times.”
    >

  31. #3569
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    Starlink 12 now live

    https://youtu.be/UZkaE_9zwQQ

  32. #3570
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    And shutdown at T- 18 seconds.

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