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threelonmusketeers, in Ariane 6 Demo Flight Launch Thread! (ESA Rideshares)

x.com/esa/status/1810792159295180959

The tech-demo phase of Ariane 6 is still in progress but has shown an unexpected result which will only affect the end of the mission.

On the webcast, they stated that the Auxiliary Propulsion Unit (APU) switched off shortly after it it powered up after SECO-2. Without the APU, they have no way to settle the propellants in the tanks, and thus can’t reignite the upper stage for the final burn.

From the live camera feed, it looks as though the upper stage was spinning, so there may have been some loss of control as well.

threelonmusketeers, (edited ) in Ariane 6 Demo Flight Launch Thread! (ESA Rideshares)

Webcast commentary is back!

Edit: SES-2 confirmed!

Edit2: SECO-2. Nominal orbit confirmed. First payload deployments scheduled for T+1:05.

Edit3: Confirmation of cubesat deployments confirmed! Next up will be SES-3 at T+2:37.

threelonmusketeers, (edited ) in Ariane 6 Demo Flight Launch Thread! (ESA Rideshares)

Looks like we have SECO-1 and nominal orbit insertion!

Edit: Webcast commentary scheduled to resume T+52 minutes for a circularization burn and the first set of payload deployments.

ricdeh, in Ariane 6 Demo Flight Launch Thread! (ESA Rideshares)
@ricdeh@lemmy.world avatar
threelonmusketeers,

That was one of the more cinematic stage separations I’ve seen in a while. Beautiful shot from the upper stage camera.

Buzztiger,

Yes beautiful!

clothes,

I’m impressed by the quality of their onboard cameras, without the help of starlink.

threelonmusketeers,

Seems like they might be between ground stations right now. Haven’t seen live video from the upper stage for a few minutes. Telemetry still looks good though.

threelonmusketeers, in Ariane 6 Demo Flight Launch Thread! (ESA Rideshares)

MECO, stage separation, and stage 2 ignition confirmed!

threelonmusketeers, in Ariane 6 Demo Flight Launch Thread! (ESA Rideshares)

Fairing jettison confirmed!

ricdeh, (edited ) in Ariane 6 Demo Flight Launch Thread! (ESA Rideshares)
@ricdeh@lemmy.world avatar

All nominal, successful booster separation, fairing jettisoned

threelonmusketeers, in Ariane 6 Demo Flight Launch Thread! (ESA Rideshares)

SRB separation confirmed!

threelonmusketeers, in Ariane 6 Demo Flight Launch Thread! (ESA Rideshares)

Décollage!

Tovervlag, in Ariane 6 Demo Flight Launch Thread! (ESA Rideshares)

Thank you for the info. I’m watching because of you posting this.

threelonmusketeers,

You’re welcome! Glad people find these threads useful!

threelonmusketeers, in Ariane 6 Demo Flight Launch Thread! (ESA Rideshares)

ESA webcast is live! youtube.com/watch?v=B0oFpOJaIYc

clothes, in Ariane 6 Demo Flight Launch Thread! (ESA Rideshares)

FYI to everyone: there are several fake “ESA Official” YouTube channels running deepfaked Elon crypto scam streams that claim to be “Ariane 6 Launch Stream”.

They’re nothing new, but sharing in case anyone hasn’t seen it before. Those aren’t real streams!

Buzztiger, in Ariane 6 Demo Flight Launch Thread! (ESA Rideshares)

Rocket fuelled up now , so everything going ahead smoothly…

Buzztiger, in How to watch the Ariane 6 Launch tonight (Tue) at 21:00 CEST (Amsterdam/Berlin)

If it reenables European sovereign and independent access to space it’s a success. Fingers crossed that it’s also as reliably as A5. Commercially I agree.

Buzztiger, in Ariane 6 Demo Flight Launch Thread! (ESA Rideshares)

So launch window start has been shifted by one hour according to my info: 21:00 - 00:00 Amsterdam/Berlin CEST.

threelonmusketeers,

Thanks! Updated the main post.

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