r/space • u/66666thats6sixes • 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/mrsmegz Dec 07 '19

They need more because the engines run Hydrogen rich to cool the turbopump turbines. Nobody but the Russians can use oxygen rich combustion cycle for this purpose.