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- R-4D abstract "A R-4D thruster is a small hypergolic rocket engine originally designed by Marquardt Corporation for the Apollo moon program. Today, Aerojet Rocketdyne manufactures and markets modern versions of the R-4D.Developed as attitude control thruster for the Apollo Service and Lunar Modules in 1960s, each unit for the modules employed four quadruple clusters (pods). It was first flown on Apollo 201 in February 1966. Approximately 800 were produced during the Apollo program.Sixteen engines just like this were mounted on the exterior of each lunar module in four quadruple clusters and sixteen on each service module. Because both the lunar module and service module were jettisoned during the Apollo missions, no flown examples exist.The thruster is currently employed in the R-4D-10 version of the U.S. Navy's Leasat, R-4D-11 by Insat 1 and Arabasat 1, R-4D-12 by HS-393, Intelsat 6, Italsat, and Olympus and Eurostar. Burn Time can be up to 1 hour continuous with a 2.67 Ns min impulse.It has been used on a number of later spacecraft, including Japan's H-II Transfer Vehicle and the European Automated Transfer Vehicle, both of which deliver cargo to the International Space Station.".
- R-4D wikiPageID "42622453".
- R-4D wikiPageLength "2766".
- R-4D wikiPageOutDegree "20".
- R-4D wikiPageRevisionID "679117553".
- R-4D wikiPageWikiLink Aerojet_Rocketdyne.
- R-4D wikiPageWikiLink Apollo_(spacecraft).
- R-4D wikiPageWikiLink Automated_Transfer_Vehicle.
- R-4D wikiPageWikiLink Cassini_(spacecraft).
- R-4D wikiPageWikiLink Cassini–Huygens.
- R-4D wikiPageWikiLink Category:Rocket_engines.
- R-4D wikiPageWikiLink Category:Rocket_engines_using_hypergolic_propellant.
- R-4D wikiPageWikiLink Category:Spacecraft_propulsion.
- R-4D wikiPageWikiLink Dinitrogen_tetroxide.
- R-4D wikiPageWikiLink H-II_Transfer_Vehicle.
- R-4D wikiPageWikiLink Hypergolic.
- R-4D wikiPageWikiLink Hypergolic_propellant.
- R-4D wikiPageWikiLink International_Space_Station.
- R-4D wikiPageWikiLink Marquardt_Corporation.
- R-4D wikiPageWikiLink Monomethyl_hydrazine.
- R-4D wikiPageWikiLink Monomethylhydrazine.
- R-4D wikiPageWikiLink Nitrogen_tetroxide.
- R-4D wikiPageWikiLink Orion_(spacecraft).
- R-4D wikiPageWikiLink Reaction_control_system.
- R-4D wikiPageWikiLink Space_Shuttle.
- R-4D wikiPageWikiLink United_States.
- R-4D wikiPageWikiLinkText "Marquardt R-4D".
- R-4D wikiPageWikiLinkText "R-4D".
- R-4D chamberPressure "6.84".
- R-4D countryOfOrigin United_States.
- R-4D cycle "pressure-fed".
- R-4D fuel Monomethyl_hydrazine.
- R-4D fuel Monomethylhydrazine.
- R-4D hasPhotoCollection R-4D.
- R-4D manufacturer Marquardt_Corporation.
- R-4D name "R-4D".
- R-4D oxidiser Dinitrogen_tetroxide.
- R-4D oxidiser Nitrogen_tetroxide.
- R-4D purpose Reaction_control_system.
- R-4D specificImpulseSeaLevel "312.0".
- R-4D thrust(vac)_ "440.0".
- R-4D thrustToWeight "13.74".
- R-4D type "liquid".
- R-4D usedIn Apollo_(spacecraft).
- R-4D usedIn Cassini_(spacecraft).
- R-4D usedIn Cassini–Huygens.
- R-4D usedIn H-II_Transfer_Vehicle.
- R-4D usedIn Orion_(spacecraft).
- R-4D usedIn Space_Shuttle.
- R-4D wikiPageUsesTemplate Template:Infobox_rocket_engine.
- R-4D wikiPageUsesTemplate Template:Orbital_spacecraft_rocket_engines.
- R-4D wikiPageUsesTemplate Template:Reflist.
- R-4D wikiPageUsesTemplate Template:Space-stub.
- R-4D subject Category:Rocket_engines.
- R-4D subject Category:Rocket_engines_using_hypergolic_propellant.
- R-4D subject Category:Spacecraft_propulsion.
- R-4D hypernym Engine.
- R-4D type Software.
- R-4D comment "A R-4D thruster is a small hypergolic rocket engine originally designed by Marquardt Corporation for the Apollo moon program. Today, Aerojet Rocketdyne manufactures and markets modern versions of the R-4D.Developed as attitude control thruster for the Apollo Service and Lunar Modules in 1960s, each unit for the modules employed four quadruple clusters (pods). It was first flown on Apollo 201 in February 1966.".
- R-4D label "R-4D".
- R-4D sameAs R-4D.
- R-4D sameAs R-4D.
- R-4D sameAs m.010gr_7p.
- R-4D sameAs Q11240350.
- R-4D sameAs Q11240350.
- R-4D wasDerivedFrom R-4D?oldid=679117553.
- R-4D isPrimaryTopicOf R-4D.