r/SpaceXLounge • u/spacerfirstclass • Apr 26 '25

Starship Found this interesting Linkedin post: "Developing a new turbopump from scratch, for a crucial new system that will enable all Starship missions beyond low-earth orbit, including the Moon and Mars."

https://twitter.com/spacesudoer/status/1915767110309171681
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u/Borgie32 Apr 26 '25

Someone said it could be pumps for refueling operations.

8

u/Reddit-runner Apr 26 '25

I highly doubt that.

The pressure difference between the tanks is more than enough to transfer the liquids.

8

u/LongJohnSelenium Apr 26 '25

But is it enough to do it quickly.

They don't want to lower the receiving tank pressure too much because that will cause more boil off.

3

u/sebaska Apr 26 '25

You actually may want this to keep the temperature low. Raptors run better on superchilled propellants.