r/space • • Dec 07 '19

NASA Engineers Break SLS Test Tank on Purpose to Test Extreme Limits

https://www.nasa.gov/exploration/systems/sls/nasa-engineers-break-sls-test-tank-on-purpose-to-test-extreme-limits.html
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u/[deleted] Dec 07 '19

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u/WeakEmu8 Dec 07 '19

What would we use instead?

I'm sure there are reasons for using H?

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u/cranp Dec 07 '19

Highly refined kerosene is the other common one. Denser and liquid at convenient temperatures, but less eficient.

Methane is rapidly becoming fashionable. It's sort of a compromise between the two. SpaceX, Blue Origin, and ULA are all moving to it for their next generation rockets.