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A comment on Starship – SN8 – High-Altitude Flight Test. Parent comment

Re:Starship – SN8 – High-Altitude Flight Test by elteto on Wednesday December 09, 2020 @06:57PM (#25367369)
That’s incorrect. Raptor does not use a TEA/TEB igniter like Falcon. It uses a spark igniter.

The green flame here is unintended engine ablation :) The chamber was melting.

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Re:Starship – SN8 – High-Altitude Flight Test by ArPDent on Wednesday December 09, 2020 @08:01PM (#25368059)
specifically it's copper being vaporized i believe
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Re:Starship – SN8 – High-Altitude Flight Test by remarkEon on Wednesday December 09, 2020 @09:13PM (#25368743)
Nice. Flashbacks to highschool chemistry. I'm assuming this isn't something you want to have happen ...
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Re:Starship – SN8 – High-Altitude Flight Test by SAI_Peregrinus on Wednesday December 09, 2020 @11:12PM (#25369613)
No, engine-rich combustion cycles are definitely not something you usually want. Especially not on a re-usable craft.
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