esa

Morphit, 6 miesięcy temu w Ariane 6 joint update report, 16 September 2024

Doesn’t seem like much info on the APU anomaly:

Analysis shows that one temperature measurement exceeded a pre-defined limit and that the flight software correctly triggered a shut down

Sounds like the fix is changing the start up procedure such that it doesn’t reach the temperature limit. It would be nice to know why it went outside what they deemed safe but I guess it is rocket science.

Buzztiger, 6 miesięcy temu

Yes, not really the complete picture of what happened.

Would have there been actual damage to the system or even destruction if the software did not shut down? Or was the temperature threshold set too conservative? Did the thermal simulations not match the observed temperatures and if so why?

What’s the solution to this problem now for the next flight?

nicerdicer, 6 miesięcy temu w ESA launches new lunar simulation facility

I wonder why they just couldn’t re-use the Hollywood set from the moon landing in '69. /s

holycrap, 6 miesięcy temu

They left it up on the moon, sadly.

Randomgal, 6 miesięcy temu

They’ll hire Michael Bay this time and make it all CGI

threelonmusketeers, 6 miesięcy temu (edited 6 miesięcy temu) w ESA launches new lunar simulation facility

I wonder how close they can get the regolith stimulant to match actual lunar regolith.

mipadaitu, 5 miesięcy temu w ESA Selects Four Companies to Develop Reusable Rocket Technology

The best time to start a reusable rocket project is 20 years ago, the second best time is now.

threelonmusketeers, 4 miesiące temu w Super heavy-lift, frequent flights to space for Europe: Protein study results

Notables:

The potential proposed use cases of “a solar electricity generator and a data centre” seem not super practical.

The acronym is atrocious: “euroPean Reusable and cOsT Effective heavy lIft transport investigation” (PROTEIN)

The rockets look cool though. I’m excited to see what Rocket Factory Augsburg can do.

BrundleFly2077, 4 miesiące temu w ESA, OpenCosmos sign contract for NanoMagSat mission

What an unfortunate photograph of those two people. Of all the ones they might have picked 😳

Morphit, 3 miesiące temu (edited 3 miesiące temu) w Watch eclipse-making Proba-3 launch today

Due to an anomaly detected in PROBA-3 spacecraft PSLV-C59/PROBA-3 launch rescheduled to tomorrow at 16:12 hours.

That’ll be 2024-12-05 10:42 UTC. Via the ISRO Youtube stream: www.youtube.com/watch?v=PJXXLLw0PBI

Edit: I suck at time zones - IST is UTC+0530

Morphit, 3 miesiące temu w Watch eclipse-making Proba-3 launch today

Great launch - there’s an article from ESA with a video describing the commissioning and operations to come: Eclipse-making double satellite Proba-3 enters orbit

tavostator, 3 miesiące temu w Sentinel-1C Launch Thread (return to flight of Vega-C)

Fingers crossed, really hope it goes off without a hitch!

threelonmusketeers, 3 miesiące temu

Same! Would be nice to see Arianespace’s launch cadence pick up a bit.

threelonmusketeers, 3 miesiące temu w Sentinel-1C Launch Thread (return to flight of Vega-C)

Go no-go poll is complete, they are go for launch!

threelonmusketeers, 3 miesiące temu w Sentinel-1C Launch Thread (return to flight of Vega-C)

Décollage!

Trajectory and propulsion are “nominale”!

threelonmusketeers, 3 miesiące temu w Sentinel-1C Launch Thread (return to flight of Vega-C)

Staging 1-2.

P120C first stage burnout and separation, Zefiro 40 second stage ignition.

threelonmusketeers, 3 miesiące temu w Sentinel-1C Launch Thread (return to flight of Vega-C)

Staging 2-3.

Zefiro 40 burnout and separation, Zefiro 9 third stage ignition.

threelonmusketeers, 3 miesiące temu w Sentinel-1C Launch Thread (return to flight of Vega-C)

Fairing separation confirmed.

threelonmusketeers, 3 miesiące temu w Sentinel-1C Launch Thread (return to flight of Vega-C)

The Arianespace webcast experienced an anomaly between T+5:52 and 408s, the Vega C rocket seems to be unaffected.

It appears that we have Staging 3-4, Zefiro 9 burnout and separation, AVUM+ fourth stage ignition.