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Science

muriel_volestrangler

(104,176 posts)

2. Since most of it is fuel, any saving on the "sleeve" is a large amount compared to the payload

Reply to hunter (Reply #1)

Sat Jan 13, 2024, 08:13 AM

Jan 2024

It would be, I think, particularly advantageous for a final stage. You currently accelerate empty fuel tanks to more or less orbital speed (and maybe an engine that stays with the satellite produces the exact orbit required); save 100 kg on the tank weight, and that's 100kg more payload.

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The weight of any rocket is mostly fuel. hunter Jan 2024 #1

Since most of it is fuel, any saving on the "sleeve" is a large amount compared to the payload muriel_volestrangler Jan 2024 #2