Why Some 21st Century US Rockets Still Use Soviet Era Engines

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United States Scott Manley
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Published on ● Video Link: https://www.youtube.com/watch?v=oGr1UVNBDLs


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The RD-180 is an exceptionally good engine, and a big part of that is down to it having a closed combustion cycle, compared to US designed engines which use an open cycle. Why did the US never develop a closed cycle Kerolox engine, and what problems did the soviet engineers solve decades ago.



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Tags:
rocket
rd-180
russian
soviet
atlas
ula
kerosene
rocket science