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Starship Flight 7

(www.spacex.com)
649 points chinathrow | 1 comments | 16 Jan 25 21:25 UTC | HN request time: 0.2s | source
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echoangle ◴[16 Jan 25 22:45 UTC] No.42731851[source]▶
Catch was successful again, very impressive.
replies(1): >>42731870 #
ceejayoz ◴[16 Jan 25 22:46 UTC] No.42731870[source]▶
They may have lost the second stage, though.
replies(4): >>42731896 #>>42731900 #>>42731910 #>>42732354 #
lysace ◴[16 Jan 25 22:49 UTC] No.42731896[source]▶
"we currently don't have comms on the ship"

edit: the spacex stream just confirmed the loss.

replies(1): >>42731909 #
ceejayoz ◴[16 Jan 25 22:50 UTC] No.42731909[source]▶
Telemetry showed them lose engines one at a time, which isn’t a great sign.
replies(1): >>42731931 #
echoangle ◴[16 Jan 25 22:52 UTC] No.42731931[source]▶
I think that’s the normal shutdown order to reduce shock, the timing was exactly the expected second stage shutoff time if I understood it correctly.
replies(2): >>42731943 #>>42732071 #
ceejayoz ◴[16 Jan 25 22:54 UTC] No.42731943[source]▶
One of the three sea level engines went out and stayed out. It didn’t look normal. The numbers stopped updating with one engine still on.
replies(1): >>42732151 #
1. echoangle ◴[16 Jan 25 23:13 UTC] No.42732151[source]▶
Right, I just watched it again and it didn’t look normal.

But interesting that telemetry showed the failures starting a few seconds before loss of telemetry, the videos posted here show a massive explosion later on. So something was going wrong for some time before, and the explosion was only a consequence of that.

Or it was the FTS reacting to the engine failures.