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by rajup 2023 days ago
Most likely the chemical used to (re)start the engine, triethylborane (TEB)

https://en.wikipedia.org/wiki/Triethylborane.
2 comments
NikolaeVarius 2023 days ago
Which it does not use
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handol 2023 days ago
I thought the raptor was going to use a spark plug.
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