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- S5.4 abstract "The S5.4 (AKA TDU-1, GRAU Index 8D66), was a Russian liquid rocket engine burning TG-02 and AK20F in the gas generator cycle used to deorbit spacecrafts. It was used as the breaking engine of the Vostok, the Voskhod and earlier Zenit, even though those later switched to solid engines.The engine produced 15.83 kilonewtons (3,560 lbf) of thrust with a isp of 266 seconds in vacuum for a single 45 seconds burn, which was enough for the deorbit. It had a main fixed combustion chamber and four small verniers to supply vector control. It was housed in the service module and had two toroidal tanks for pressurization.It was designed by OKB-2, the famous Isaev Design Bureau, for the Vostok programme. The breaking engine for the first manned spacecraft was a very difficult task that no design bureau wanted to take. It was considered very critical and a failure might have meant to see a man agonizing in space. A solid engine was considered, but the ballistic experts predicted a 500km landing error versus a tenth of that for a liquid engine. It took the coordinated efforts of his longtime friend, Boris Chertok and Sergei Korolev to convince Isaev to accept the task.".
- S5.4 thumbnail Vostok_spacecraft_replica.jpg?width=300.
- S5.4 wikiPageExternalLink main.php?id=53.
- S5.4 wikiPageID "47346791".
- S5.4 wikiPageLength "5651".
- S5.4 wikiPageOutDegree "36".
- S5.4 wikiPageRevisionID "675950261".
- S5.4 wikiPageWikiLink A.M._Isayev_Chemical_Engineering_Design_Bureau.
- S5.4 wikiPageWikiLink Aleksei_Isaev_(engineer).
- S5.4 wikiPageWikiLink Boris_Chertok.
- S5.4 wikiPageWikiLink Category:Rocket_engines_of_Russia.
- S5.4 wikiPageWikiLink Category:Rocket_engines_of_the_Soviet_Union.
- S5.4 wikiPageWikiLink Category:Rocket_engines_using_hypergolic_propellant.
- S5.4 wikiPageWikiLink Category:Spaceflight.
- S5.4 wikiPageWikiLink GRAU.
- S5.4 wikiPageWikiLink Gas-generator_cycle.
- S5.4 wikiPageWikiLink KTDU-35.
- S5.4 wikiPageWikiLink Liquid-propellant_rocket.
- S5.4 wikiPageWikiLink Red_fuming_nitric_acid.
- S5.4 wikiPageWikiLink Rocket_engine.
- S5.4 wikiPageWikiLink Sergei_Korolev.
- S5.4 wikiPageWikiLink Soviet_Union.
- S5.4 wikiPageWikiLink Spacecraft.
- S5.4 wikiPageWikiLink Specific_impulse.
- S5.4 wikiPageWikiLink Thrust_vectoring.
- S5.4 wikiPageWikiLink Tonka_(fuel).
- S5.4 wikiPageWikiLink Vernier_thruster.
- S5.4 wikiPageWikiLink Voskhod_(spacecraft).
- S5.4 wikiPageWikiLink Vostok_(spacecraft).
- S5.4 wikiPageWikiLink Vostok_programme.
- S5.4 wikiPageWikiLink Zenit_(satellite).
- S5.4 wikiPageWikiLinkText "S5.4".
- S5.4 burnTime "45.0".
- S5.4 caption "Vostok spacecraft replica at the Technik Museum Speyer, Germany. The lower conical section was the service module with the S5.4/TDU-1 engine.".
- S5.4 combustionChamber "1".
- S5.4 countryOfOrigin Soviet_Union.
- S5.4 cycle Gas-generator_cycle.
- S5.4 date "1959".
- S5.4 designer A.M._Isayev_Chemical_Engineering_Design_Bureau.
- S5.4 designer Aleksei_Isaev_(engineer).
- S5.4 firstDate "1959".
- S5.4 fuel Tonka_(fuel).
- S5.4 imageSize "220".
- S5.4 mixtureRatio "3.07".
- S5.4 name "S5.4".
- S5.4 oxidiser Red_fuming_nitric_acid.
- S5.4 purpose "Spacecraft breaking engine".
- S5.4 specificImpulseVacuum "266.0".
- S5.4 status "Retired".
- S5.4 successor KTDU-35.
- S5.4 type "liquid".
- S5.4 usedIn "Vostok, Voskhod and Zenit".
- S5.4 wikiPageUsesTemplate Template:Convert.
- S5.4 wikiPageUsesTemplate Template:Infobox_rocket_engine.
- S5.4 wikiPageUsesTemplate Template:Orbital_spacecraft_rocket_engines.
- S5.4 wikiPageUsesTemplate Template:Reflist.
- S5.4 wikiPageUsesTemplate Template:Rocket-stub.
- S5.4 subject Category:Rocket_engines_of_Russia.
- S5.4 subject Category:Rocket_engines_of_the_Soviet_Union.
- S5.4 subject Category:Rocket_engines_using_hypergolic_propellant.
- S5.4 subject Category:Spaceflight.
- S5.4 comment "The S5.4 (AKA TDU-1, GRAU Index 8D66), was a Russian liquid rocket engine burning TG-02 and AK20F in the gas generator cycle used to deorbit spacecrafts. It was used as the breaking engine of the Vostok, the Voskhod and earlier Zenit, even though those later switched to solid engines.The engine produced 15.83 kilonewtons (3,560 lbf) of thrust with a isp of 266 seconds in vacuum for a single 45 seconds burn, which was enough for the deorbit.".
- S5.4 label "S5.4".
- S5.4 sameAs Q20744150.
- S5.4 sameAs Q20744150.
- S5.4 wasDerivedFrom S5.4?oldid=675950261.
- S5.4 depiction Vostok_spacecraft_replica.jpg.
- S5.4 homepage main.php?id=53.
- S5.4 isPrimaryTopicOf S5.4.