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- Q9325979 subject Q16269887.
- Q9325979 subject Q21412544.
- Q9325979 subject Q7020479.
- Q9325979 subject Q7142278.
- Q9325979 subject Q8672072.
- Q9325979 abstract "The S1.5400 (GRAU Index 11D33) was a Soviet single nozzle liquid propellant rocket engine burning liquid oxygen and kerosene in an oxidizer rich staged combustion cycle. It was the first rocket engine to use this cycle in the world, and it was designed by V. M. Melnikov, an alumnus of Isaev, within Korolev's Bureau, for the Molniya fourth stage, the Block-L. It was also the first Soviet engine designed for start and restart in vacuum, and had the highest isp at the time of its deployment.Its development took from 1958 to 1960. The first production run was started on May 1960, and it passed all the firing tests. Its first flight failed before the Block-L was activated and it was in a Venera flight during 1961 that it had its first success. Between 1961 and 1964 it went through an improvement program that ended up in the S1.5400A1 version (GRAU Index 11D33M). It improved thrust from 63.74 kilonewtons (14,330 lbf) to 66.69 kilonewtons (14,990 lbf) and isp from 338.5s to 340s, while keeping weight the same.The engine used titanium alloy in its main combustion chamber to tolerate temperatures of up to 700 °C (1,292 °F). The turbopump initial spin-up is pyrotechnic. The engine is attached to a Cardan suspension which enables it to gimbal up to 3 degrees in two axes.".
- Q9325979 wikiPageExternalLink english.
- Q9325979 wikiPageWikiLink Q1146104.
- Q9325979 wikiPageWikiLink Q1256967.
- Q9325979 wikiPageWikiLink Q15180.
- Q9325979 wikiPageWikiLink Q16269887.
- Q9325979 wikiPageWikiLink Q170842.
- Q9325979 wikiPageWikiLink Q1970020.
- Q9325979 wikiPageWikiLink Q21412544.
- Q9325979 wikiPageWikiLink Q431942.
- Q9325979 wikiPageWikiLink Q519432.
- Q9325979 wikiPageWikiLink Q520336.
- Q9325979 wikiPageWikiLink Q618153.
- Q9325979 wikiPageWikiLink Q7020479.
- Q9325979 wikiPageWikiLink Q7142278.
- Q9325979 wikiPageWikiLink Q763402.
- Q9325979 wikiPageWikiLink Q76904.
- Q9325979 wikiPageWikiLink Q847798.
- Q9325979 wikiPageWikiLink Q860308.
- Q9325979 wikiPageWikiLink Q8672072.
- Q9325979 comment "The S1.5400 (GRAU Index 11D33) was a Soviet single nozzle liquid propellant rocket engine burning liquid oxygen and kerosene in an oxidizer rich staged combustion cycle. It was the first rocket engine to use this cycle in the world, and it was designed by V. M. Melnikov, an alumnus of Isaev, within Korolev's Bureau, for the Molniya fourth stage, the Block-L.".
- Q9325979 label "S1.5400".