Aerozine 50 is a 50/50 mix of hydrazine and unsymmetrical dimethyl hydrazine (UDMH). It is used as a rocket fuel, typically with dinitrogen tetroxide as the oxidizer, with which it is hypergolic (ignites on contact). Aerozine 50 is more stable than hydrazine alone, but has a higher density and boiling point than UDMH alone. Hydrazine is a chemical compound with formula N2H4 used as a rocket fuel. ... Unsymmetrical dimethylhydrazine (UDMH) (1,1-Dimethylhydrazine) is a hypergolic rocket fuel ingredient, often used in combination with the oxidiser nitrogen tetroxide. ... Nitrogen tetroxide (or dinitrogen tetroxide) is the chemical compound N2O4. ... An oxidizing agent is a substance that oxidizes another substance in electrochemistry or redox chemical reactions in general. ... Hypergolic rocket fuels spontaneously ignite when their two components come into contact with each other. ...
This type of fuel is mainly used for interplanetary probes and spacecraft propulsion systems, because rockets and spacecraft using it can stay fueled indefinitely. This is not true with most rockets. In some cases, it is used in ground launched rockets, such as Titans and second stages of Deltas. Unmanned space missions are those using remote-controlled spacecraft. ... A remote camera captures a close-up view of a Space Shuttle Main Engine during a test firing at the John C. Stennis Space Center in Hancock County, Mississippi Spacecraft propulsion is used to change the velocity of spacecraft and artificial satellites, or in short, to provide delta-v. ... Titan was a family of U.S. expendable rockets used between 1959 and 2005. ... Delta EELV family of launch vehicles (US Govt) Delta rocket (sometimes retroactively called Delta I) Delta II rocket Delta III rocket Delta IV rocket The Delta family of expendable launch vehicles has been a mainstay of the United States space launch capability since 1960. ...
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