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Thread: SpaceX

  1. #5431
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    Musk tweet-storm summary...

    Tower catcher arms will have "tank treads" along the top, allowing the vehicle to be moved along the arms and some rotation (differential movement of the treads).

    First flight: Booster 4
    First catch attempt: if all goes well, Booster 5

  2. #5432
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    Testing coming up at Starbase...

    Sheriff Eric Garza @SheriffGarza
    PUBLIC SERVICE ANNOUNCEMENT: Cameron County Judge Eddie Trevino, Jr., has ordered the temporary and intermittent closure of a portion of State Highway 4 for SpaceX Testing on Wednesday, September 1, 2021, from 8:00 am to 12:00 pm

    https://twitter.com/sheriffgarza/sta...46603688771585

  3. #5433
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    The "Quick Disconnect Arm" for fueling Starship when stacked on a Booster is now up on the launch tower.
    In the time it's taken them to design and build that NASA might have been able to develop some preliminary requirements and issue an RFI. No way they'd have gotten as far as an RFP.
    To be fair, this is mainly due to the difference between a private entity* doing everything in-house and a government or corporate agency having to comply with external rules.
    When at Boeing in 2005-2007, I developed requirements that went into an RFI for systems for a new airplane. We might see that airplane by 2030, but I wouldn't hold my breath if I was you.

    *Now that I think of it, I should have said "a well-funded private entity under personal control of a powerful individual".
    Cum catapultae proscriptae erunt tum soli proscript catapultas habebunt.

  4. #5434
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    Quote Originally Posted by docmordrid View Post
    Testing coming up at Starbase...

    Sheriff Eric Garza @SheriffGarza
    PUBLIC SERVICE ANNOUNCEMENT: Cameron County Judge Eddie Trevino, Jr., has ordered the temporary and intermittent closure of a portion of State Highway 4 for SpaceX Testing on Wednesday, September 1, 2021, from 8:00 am to 12:00 pm

    https://twitter.com/sheriffgarza/sta...46603688771585
    Do you know if it is a pressure test or a test fire?

  5. #5435
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    Transported more GSE tanks...

  6. #5436
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    Looks like Liebherr has built SpaceX a custom LR 11000 crane...


    Max._. @Max9907826460
    Sep 1, 2021
    @TeslaratiTeam

    Hey, I just saw this on the German Autobahn (A2 near Magdeburg) this morning. It's coming from Austria and might be heading to Hamburg or Rotterdam port.

    Looks like a part of a future transport vehicle for getting Starship to the launch pad.

    Any other ideas ?
    |
    Elon Musk ✓ @elonmusk
    Our new crane!

    IMG_20210901_210227.jpg
    IMG_20210901_210218.jpg

    https://twitter.com/elonmusk/status/1433121450446127106

  7. #5437
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    Boca Chica TFR (temporary flight restriction), test could occur any time in September.

    Perhaps a Super Heavy test?

    https://tfr.faa.gov/save_pages/detail_1_9481.html

    Surface to 10,000 feet
    From: August 31, 2021 2001 Eastern
    To: September 30, 2021 1959 Eastern

    https://twitter.com/spacex360/status...58617406300163

  8. #5438
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    Once the bottom aero covers are on Super Heavy will be one pretty rocket...

    Nic Ansuini ✓@NicAnsuini
    Booster 4 looking epic this morning!

    - @NASASpaceflight

    https://twitter.com/NicAnsuini/statu...50468205338625

    E-sIsFYXsAEaW94.jpeg

  9. #5439
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    McGregor expansion

    https://www.virtualbx.com/constructi...lennan-county/

    McGregor (McLennan County) — SpaceX has entered into a $150 million development agreement with the City of Waco for the expansion of its McGregor facility.
    >
    The project calls for real and personal property improvements, creation and retention of 400 new full-time jobs with benefits, along with the retention of 578 existing jobs at the company’s 1 Rocket Road location.
    >
    Elon Musk tweeted about a new engine project at the McGregor facility in July.

    “We are breaking ground soon on a second Raptor (engine) factory at (the) SpaceX Texas test site,” he wrote. “This will focus on volume production of Raptor 2, while (the) California factory will make Raptor Vacuum and new, experimental designs.”

    Musk added the new factory will “be the highest output and most advanced rocket engine factory in the world” with the ability to manufacture 800-1,000 engines per year.
    >

  10. #5440
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    Booster 4 w/29 engines back on the Orbital pad for tests...(time cued)

    https://youtu.be/8GE7m_SwnRM?t=296

  11. #5441
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    USSF-44 spysat

    Date: October 9, 2021
    Time: TBD
    Pad: LC-39A
    Recovery: 2 boosters on Just Read the Instructions and A Shortfall of Gravitas
    Orbit: direct insertion to geosynchronous orbit

    Bring yer popcorn
    Last edited by docmordrid; 2021-Sep-09 at 07:12 PM.

  12. #5442
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    No recovery of the central core?
    With sufficient thrust, water towers fly just fine.

  13. #5443
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    I’d guess a direct geosynch insertion is high enough energy to use too much of the center stage’s fuel on a heavy payload.

    "The problem with quotes on the Internet is that it is hard to verify their authenticity." — Abraham Lincoln

    I say there is an invisible elf in my backyard. How do you prove that I am wrong?

    The Leif Ericson Cruiser

  14. #5444
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    Well then, time for the bouncy castle solution.
    With sufficient thrust, water towers fly just fine.

  15. #5445
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    Yup, direct GEO insertion of a heavy milsat means an expended center core. It delivers 90% of the whole-vehicle expendable at a lower price.

    Starlink 2-1

    Date: September 13
    Time: 1155 Eastern
    Pad: SLC-4E, Vandenberg Space Force Base
    Recovery: droneship Of Course I Still Love You

    Elon Musk ✓ @elonmusk
    These are V1.5 Starlinks with laser inter-satellite links, which are needed for high latitudes & mid ocean coverage
    https://twitter.com/elonmusk/status/1436541063406264320

  16. #5446
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    Quote Originally Posted by docmordrid View Post
    Yup, direct GEO insertion of a heavy milsat means an expended center core. It delivers 90% of the whole-vehicle expendable at a lower price.

    Starlink 2-1

    Date: September 13
    Time: 1155 Eastern
    Pad: SLC-4E, Vandenberg Space Force Base
    Recovery: droneship Of Course I Still Love You

    Elon Musk ✓ @elonmusk
    These are V1.5 Starlinks with laser inter-satellite links, which are needed for high latitudes & mid ocean coverage
    https://twitter.com/elonmusk/status/1436541063406264320
    That's good. This has been delayed. My post 5424 explains the significance of this launch - including that this signals the start of Starlink populating a new shell in the early phase Starlink launch programme.

    In a recent CNBC interview Musk explains a little bit about the difference between version 1.5 and version 2.0
    Elon Musk says SpaceX’s Starlink internet service possibly on track for 500,000 users in one year

    “We’re getting close to launching satellite 1.5, which has laser inter-satellite links, and that’ll be used especially for continuous connectivity over the Arctic and Antarctic regions,” Musk said. “Next year we’ll start launching version two of our satellite, which will be significantly more capable.”

  17. #5447
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    It looks like the Starlink 2.1 launch will be the 10th launch of Booster B1049.

    Interesting to track how often boosters are used.

    There will be 51 satellites launched.

    https://www.spacex.com/launches/
    Last edited by DavidLondon; 2021-Sep-11 at 09:18 AM. Reason: Correction

  18. #5448
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    Quote Originally Posted by docmordrid View Post
    Yup, direct GEO insertion of a heavy milsat means an expended center core. It delivers 90% of the whole-vehicle expendable at a lower price.

    Starlink 2-1

    Date: September 13
    Time: 1155 Eastern
    Pad: SLC-4E, Vandenberg Space Force Base
    Recovery: droneship Of Course I Still Love You

    Elon Musk ✓ @elonmusk
    These are V1.5 Starlinks with laser inter-satellite links, which are needed for high latitudes & mid ocean coverage
    https://twitter.com/elonmusk/status/1436541063406264320
    I'm curious and couldn't find it, but what is the mechanism of stage separation? Gas jets, springs, small thrusters?

  19. #5449
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    Quote Originally Posted by bknight View Post
    I'm curious and couldn't find it, but what is the mechanism of stage separation? Gas jets, springs, small thrusters?
    All pneumatic.

  20. #5450
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    Starlink 2-1 launch

    https://youtu.be/4372QYiPZB4

  21. #5451
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    B1049 becomes the 2nd F9 to land 10 times

    Nominal orbital insertion, currently in cruise.

    https://twitter.com/nasaspaceflight/...28824854880258

  22. #5452
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    Satellites deployed

  23. #5453
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    I don't know whether SpaceX is using their own network to broadcast landings, but if they weren't as a PR hint they should be using them for landings brcause the landings on the drone ship whipes out the signal, mostly, of these landings. If they are then they should hustle to brace up the images with this network.

  24. #5454
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    Ocean Starlink coverage is still sketchy until the laser inter-satellite links are more completely rolled out. Right now they're mostly polar, so droneships fall back to using geostationary satellites & dishes. Those are more sensitive to vibration and plume ionization.

  25. #5455
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    The FAA Boca Chica Starship Draft ENvironmental Assessment is out for comments.

    PDF...

    https://www.faa.gov/newsroom/faa-inv...-heavy-program

    Eric Berger @SciGuySpace (Ars Technica)
    Bottom line from the FAA draft assessment of Boca Chica and Starship: Months of comment and paperwork remain, but it does appear that the feds will ultimately greenlight South Texas for orbital launches. That seemed far from assured before today.

    https://twitter.com/sciguyspace/stat...23844274716672

  26. #5456
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    Quote Originally Posted by docmordrid View Post
    Eric Berger @SciGuySpace (Ars Technica)
    Bottom line from the FAA draft assessment of Boca Chica and Starship: Months of comment and paperwork remain, but it does appear that the feds will ultimately greenlight South Texas for orbital launches. That seemed far from assured before today.

    https://twitter.com/sciguyspace/stat...23844274716672
    Eric Berger has expanded on that comment in this Ars Technica article:

    https://arstechnica.com/science/2021...-not-terrible/

    Basically, there are some issues, but it looks like things can move forward.

    "The problem with quotes on the Internet is that it is hard to verify their authenticity." — Abraham Lincoln

    I say there is an invisible elf in my backyard. How do you prove that I am wrong?

    The Leif Ericson Cruiser

  27. #5457
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    That is good indications from the feds.

  28. #5458
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    SpaceX ✓ @SpaceX
    The @inspiration4x crew is set to return to Earth on Saturday, September 18 with a targeted splashdown at 7:06 p.m. EDT in the Atlantic Ocean off the coast of Florida

    https://twitter.com/SpaceX/status/1438981920252055555

  29. #5459
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    Questioned about the max number of engines on Super Heavy, given an outdated count in the Draft EA, Musk replied "33" then addressed Starship. Sounds like a max of 9.

    Elon Musk ✓ @elonmusk
    With that, Ship is basically begging for an extra 3 engines

    https://twitter.com/elonmusk/status/1439194394649837568

  30. #5460
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    Actually I love such space sites. I follow this and several other forums and constantly stay up to date. It is very cool that like-minded people who share your interests always gather at such sites. Considering that I am very fond of SpaceX and space in general, I am very glad that you share news, interesting facts and useful information. Thanks to this and another very cool site about space, I always manage to know all of the latest achievements of Space X and follow the development of this project. I am sure that the future belongs to it.

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