On 2021-03-30 10:06 AM, David Spain wrote:
Also I remain somewhat concerned about the plumbing of a methalox
rocket. The SpaceX video upon ascent shows what appear to be some
evidence of small methane leaks around the firing Raptors. New fuel, new
headaches. I'm not convinced they have all the kinks dealing with
methane propellant worked out yet. Which is to be expected given the
novel fuel.
I had also speculated elsewhere about the possibility of a hard start
during one of the engine relights:
Per an Elon tweet:
https://twitter.com/elonmusk/status/1379022709737275393
Dave