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- Q1530393 subject Q10138027.
- Q1530393 subject Q6900602.
- Q1530393 subject Q7020479.
- Q1530393 subject Q8672072.
- Q1530393 abstract "The Soviet RD-0120 (also designated 11D122) was the Energia core rocket engine, fueled by LH2/LOX, roughly equivalent to the Space Shuttle Main Engine (SSME). These were attached to the Energia core rather than the orbiter, so were not recoverable after a flight, but created a more modular design (the Energia core could be used for a variety of missions besides launching the shuttle). Baselined from the more mature American hydrogen–oxygen engine technology, but considerably modified with Russian innovations and methods, the RD-0120 and the SSME have both similarities and differences. The RD-0120 achieved nearly identical specific impulse and combustion chamber pressure with reduced complexity and cost, as compared to the SSME, primarily at the expense of lower thrust-to-weight ratio. It uses fuel-rich staged combustion cycle and a single shaft to drive both the fuel and oxidizer turbopumps. Some of the Russian design features, such as the simpler and cheaper channel wall nozzles, were evaluated by Rocketdyne for possible upgrades to the SSME. It achieved combustion stability without the acoustic resonance chambers that the SSME required.".
- Q1530393 wikiPageExternalLink molniya5.htm.
- Q1530393 wikiPageExternalLink rd0120.htm.
- Q1530393 wikiPageExternalLink rocket.htm.
- Q1530393 wikiPageWikiLink Q10138027.
- Q1530393 wikiPageWikiLink Q1030042.
- Q1530393 wikiPageWikiLink Q15180.
- Q1530393 wikiPageWikiLink Q4125417.
- Q1530393 wikiPageWikiLink Q4231576.
- Q1530393 wikiPageWikiLink Q42501.
- Q1530393 wikiPageWikiLink Q51504.
- Q1530393 wikiPageWikiLink Q519432.
- Q1530393 wikiPageWikiLink Q618153.
- Q1530393 wikiPageWikiLink Q622779.
- Q1530393 wikiPageWikiLink Q6900602.
- Q1530393 wikiPageWikiLink Q693470.
- Q1530393 wikiPageWikiLink Q7020479.
- Q1530393 wikiPageWikiLink Q731859.
- Q1530393 wikiPageWikiLink Q7337143.
- Q1530393 wikiPageWikiLink Q8672072.
- Q1530393 comment "The Soviet RD-0120 (also designated 11D122) was the Energia core rocket engine, fueled by LH2/LOX, roughly equivalent to the Space Shuttle Main Engine (SSME). These were attached to the Energia core rather than the orbiter, so were not recoverable after a flight, but created a more modular design (the Energia core could be used for a variety of missions besides launching the shuttle).".
- Q1530393 label "RD-0120".