General > General Technical Chat
Starship SN9 flight test in < 30 minutes (disclaimer here)
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Neilm:

--- Quote from: TerraHertz on February 05, 2021, 05:06:33 am ---Maybe it might be a good idea to flip it to vertical a couple of seconds earlier, and let the fuel settle in the tanks and pipework before trying to light all the engines?

Setting up the next ready ship on a pad so close by the test landing impact point, does seem a bit overconfident.

--- End quote ---
The fuel is under a lot of presure in the tanks. Current speculation I have heard is that it was caused by an igniter issue. Raptor uses igniters (basically arc welders) rather than TEATEB and they have proved to be tricky to get working. I believe there are three, one in the main engine and one in each of the preburners that drive the pumps. Several static fire attempts have aborted due to them not working correctly.
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