threelonmusketeers @ threelonmusketeers @sh.itjust.works

Alt accounts that are also me:

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Ol'Quiggy totally banged Shmi

I thought Darth Plagueis did that, no?

West coast Falcon Heavy launches are coming!

Starbase activities (2025-05-19):

• May 18th cryo delivery tally. (ViX)
• May 18th addendum: A second valve/manifold assembly is delivered, and moved to the quick disconnect gantry at Pad B. (ViX)
• Build site: ‪Booster 18 common dome section rolls into Megabay 1. B18 could be the first Block 3 booster. (NSF, ViX)
• Highbay demolition continues. (Starship Gazer 1, Starship Gazer 2)
• Launch site: Sections of the Buckner LR11000 crane begin departing from the launch site. (Starship Gazer, ViX)
• Starship Gazer posts photos of the back side of launch mount B. (Photo 1, photo 2, photo 3, photo 4, photo 5)
• Pad B chopsticks testing with chopsticks near the top and water bags near ground level. (ViX 1, ViX 2, Hardcore Electric, Anderson)
• Partial water load under way by around 20:29. (Anderson 1, Anderson 2)
• 980 tonne estimated maximum mass of water if all bags are fully filled. (Anderson 1, Anderson 2, Anderson 3)

Flight 9:

• NET date officially slips to May 27st, per revised hazard notices. (Starship Gazer, Beil and NeedPizza42)

Hold called at T-2:28, likely a scrub for the day, but no official confirmation yet.

Edit: SpaceX webcast ended. Looks like a scrub.

Edit2: https://x.com/SpaceX/status/1924679677169565758

Falcon 9 had an auto abort just prior to T-0. Vehicle and payload are in good health, and teams are resetting for a launch attempt no earlier than Tuesday, May 20

NSF are live: https://www.youtube.com/watch?v=H6eEzZeEkCY

T-20 minute vent has occurred.

https://bsky.app/profile/rykllan.bsky.social/post/3lpguw2hoks27

#Falcon9 fairing halves of #Starlink 15-5

Starbase activities (2025-05-18):

• May 17th cryo delivery tally. (ViX)
• The water bag jig is reinstalled on the Pad B chopsticks, this time with much longer slings. (ViX 1, ViX 2, Anderson 1, Anderson 2, Anderson 3, Anderson 4)
• Other: Megabay 2 top level was used to host an employee wedding. (xdNiBoR 1, xdNiBoR 2)
• Fluids engineer Charles Flaherty counts down the days until the next Mars transfer window. (521)

Starbase activities (2025-05-17):

• May 16th cryo delivery tallies. (ViX 1, ViX 2)
• May 16th addendum: Pad B chopsticks water bag testing timelapse. (ViX)
• Build site: Overnight, B14-2 rolls from the launch site back to Megabay 1. (NSF, LabPadre, ViX)
• B14-2 is transferred from the transport stand to a work stand. (ViX)
• Launch site: A valve/manifold assembly is delivered to the Pad B quick-disconnect gantry structure. (ViX)
• Pad B chopstick testing continues. The chopsticks are raised to near the top of the tower, held for ~2.5 hours, and lowered. Bages are then emptied and the jig is removed. (ViX, NSF, Starship Gazer 1, Starship Gazer 2, Hammer)
• RGV Aerial post a recent photos of the launch site and tank farm, Pad A (north side), Pad A (south side), Pad B, and a comparison of the two pads.
• Other: Killip notes a change in the thrust puck design for the booster v3 test tank (May 10th 1, May 10th 2). "This upgraded design will allow more robust heat protection as the engine shields that cover the powerheads is being deleted. The Gimbaled engines will sit lower the closer to the center they are mounted as the plate now tapers down to a cone in the center."

Huh, that was really interesting. Thanks for sharing!

Pawns also still promote at ranks 1 & 8!

!unexpectedfactorial@sopuli.xyz

Eyeless dice?

Explanation by Matt Parker: How on Earth does \^.?$|\^(..+?)\1+$ produce primes?

Huh, I wonder what it was...

Good idea!

Hang on, the mod removed a post in "Immortal Chess", or removed the entire community?

"Resonance"is probably the best one-word explanation, but the interesting details are in how the version 2 downcomer design makes the ship more prone to pogo oscillations, what the most likely failure modes are, and how they could be addressed in the short term and long term.

Lengthy video, but worth the watch, as Zack Golden's analyses usually are.

"Falcon 9 Go Brrr", indeed.

Starbase activities (2025-05-16):

• May 15th cryo delivery tally.
• May 15th addenda: Booster alignment pins are removed. (ViX)
• Booster transport stand rolls out to the launch site. (LabPadre 1, LabPadre 2, ViX, NSF 1, NSF 2, NSF 3)
• B14-2 is lifted from launch mount A and placed on a transport stand. (NSF, Hardcore Electric 1, Hardcore Electric 2)
• 1-hour road delay is posted for May 17th between 10:00 and 16:00 for transport from pad to factory, likely for B14-2 rollback.
• Mystery structure is spotted en route to Starbase. (LabPadre)
• Pad B: Water bags are hung from the chopsticks. (ViX, NSF, Hardcore Electric, Anderson 1, Anderson 2)
• Bags are filled. (Anderson, Starship Gazer)
• Chopsticks are raised. (NSF, Hardcore Electric 1, Hardcore Electric 2, Anderson 1, Anderson 2, clwphoto1, Brent Mayo (Senior Engineer, Starship Offshore Program))
• Build site: Party in Megabay 2. (Anderson)

Flight 9:

• FAA release the launch licence. (flight2starship)
• NOTAM is published for the edge of Bahamian airspace. (Caton 1, Caton 2)
• Updated re-entry marine hazard warning indicates that launch is now NET May 26th, likely May 27th due to a United States federal holiday. (Caton)
• No booster catch attempt. (FAA via Beil, Beil 1, Beil 2, Beil 3, Beil 4, FAA (PDF warning), Golden's thoughts)

Norminal launch, booster landing, and Starlink deployment.

https://x.com/SpaceX/status/1923390143206944812

Deployment of 26 @Starlink satellites confirmed