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- LE-5 abstract "The LE-5 liquid rocket engine and its derivative models were developed in Japan to meet the need for an upper stage propulsion system for the H-I and H-II series of launch vehicles. It is a bipropellant design, using LH2 and LOX. Primary design and production work was carried out by Mitsubishi Heavy Industries. In terms of liquid rockets, it is a fairly small engine, both in size and thrust output, being in the 89 kN (20,000 lbf) and the more recent models the 130 kN (30,000 lbf) thrust class. The motor is capable of multiple restarts, due to a spark ignition system as opposed to the single use pyrotechnic or hypergolic igniters commonly used on some contemporary engines. Though rated for up to 16 starts and 40+ minutes of firing time, on the H-II the engine is considered expendable, being used for one flight and jettisoned. It is sometimes started only once for a nine-minute burn, but in missions to GTO the engine is often fired a second time to inject the payload into the higher orbit after a temporary low Earth orbit has been established.The original LE-5 was built as a third stage engine for the H-I launch vehicle. It used a fairly conventional gas generator cycle.".
- LE-5 thumbnail LE-5.JPG?width=300.
- LE-5 wikiPageExternalLink le5.htm.
- LE-5 wikiPageExternalLink le5a.htm.
- LE-5 wikiPageExternalLink le5b.htm.
- LE-5 wikiPageExternalLink 2003-4597.pdf.
- LE-5 wikiPageExternalLink le5b.
- LE-5 wikiPageID "15873175".
- LE-5 wikiPageRevisionID "604578924".
- LE-5 hasPhotoCollection LE-5.
- LE-5 subject Category:Hydrogen_rocket_engines.
- LE-5 subject Category:Rocket_engines.
- LE-5 subject Category:Space_program_of_Japan.
- LE-5 comment "The LE-5 liquid rocket engine and its derivative models were developed in Japan to meet the need for an upper stage propulsion system for the H-I and H-II series of launch vehicles. It is a bipropellant design, using LH2 and LOX. Primary design and production work was carried out by Mitsubishi Heavy Industries. In terms of liquid rockets, it is a fairly small engine, both in size and thrust output, being in the 89 kN (20,000 lbf) and the more recent models the 130 kN (30,000 lbf) thrust class.".
- LE-5 label "LE-5".
- LE-5 label "LE-5".
- LE-5 label "LE-5".
- LE-5 label "LE-5火箭发动机".
- LE-5 sameAs LE-5.
- LE-5 sameAs LE-5.
- LE-5 sameAs LE-5.
- LE-5 sameAs m.03nxqcn.
- LE-5 sameAs Q1054827.
- LE-5 sameAs Q1054827.
- LE-5 wasDerivedFrom LE-5?oldid=604578924.
- LE-5 depiction LE-5.JPG.
- LE-5 isPrimaryTopicOf LE-5.
