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Hypergolic propellant

A hypergolic propellant is a rocket propellant whose components spontaneously ignite upon contact with one another. In contemporary usage, the term typically refers to the combination of dinitrogen tetroxide (an oxidizer) and one of the various forms of hydrazine (a fuel).

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Overview

History

Characteristics

Hypergolic combinations

Related technology

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Hypergolic propellant

Nodes147
Edges146
Triples101
Avg. degree1.99
Density0.013605
Components1

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Hypergolic propellant

Top relations

related to Less common or obsolete · 29
Hypergolic propellant → Able Upper Stages, Agena, AK-20F, AK-2x, Aniline, C-Stoff, Cold, Copenhagen Suborbitals SPECTRA EngineFurfuryl, French Diamant, Furfuryl, Gamma, HNO3, HTP, Isayev-built, Kerosene, Less-common, Messerschmitt Me, MGM-52 Lance, N2O4, No
related to Common · 27
Hypergolic propellant → Aerozine, American, Apollo, Apollo Lunar Module, Ariane, Common, Draco, EPS, France, ISRO, MMH, Monomethylhydrazine, N2H4, NTO, Proton, RCS, Rocketdyne F-1, Roscosmos, Space Shuttle OMS, SpaceX Dragon
related to Proposed, remain unflown · 14
Hypergolic propellant → Briefly, Chlorine, ClF3, ClF5, Glushko, Hydrogen Peroxide, Pentaborane, RD-270M, Sodium, Soviet, Tetramethylethylenediamine, This, Triethylene, Triglyme
related to Disadvantages · 7
Hypergolic propellant → Failure, LCH4/LO2, LH2/LO2, Nedelin, Relative, The, UDMH-nitric
is a · 1
Hypergolic propellant → rocket propellant whose components spontaneously ignite upon contact with one another

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Important terminology

hypergolic rocket propellants used engines hydrazine acid use nitric propellant launch hydrogen oxygen combination ignition stages engine peroxide liquid fuel

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Hypergolic propellantis arocket propellant whose components spontaneously ignite upon contact with one another0.90text
the Heinkel Juliainstance ofOther proposed combat rocket fighters0.80text
reconnaissance aircraft like the DFS 228 were meant to use the Walter 509 series of rocket motorsinstance ofOther proposed combat rocket fighters0.80text
but besides the Me 163instance ofOther proposed combat rocket fighters0.80text
only the Bachem Ba 349 Natter vertical launch expendable fighter was ever flight-tested with the Walter rocket propulsion system as its primary sustaining thrust system for military-purpose aircraft.The earliest ballistic missilesinstance ofOther proposed combat rocket fighters0.80text
such as the Soviet R-7 that launched Sputnik 1instance ofOther proposed combat rocket fighters0.80text
the U.Sinstance ofOther proposed combat rocket fighters0.80text
liquid oxygen in a missile that had to be kept launch ready for months or years at a time led to a switch to hypergolic propellants in the U.Sinstance ofthe difficulties of storing a cryogen0.80text
the R-36instance ofTitan II and in most Soviet ICBMs0.80text
but the difficulties of such corrosiveinstance ofTitan II and in most Soviet ICBMs0.80text
toxic materialsinstance ofTitan II and in most Soviet ICBMs0.80text
including injury-causing leaksinstance ofTitan II and in most Soviet ICBMs0.80text

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