|
gptkbp:instanceOf
|
rocket engine
|
|
gptkbp:application
|
launch vehicles
|
|
gptkbp:barrelLength
|
20 MPa
|
|
gptkbp:chemicalFormula
|
liquid oxygen
|
|
gptkbp:collaborations
|
international partnerships
|
|
gptkbp:communityInvolvement
|
notable in aerospace community
|
|
gptkbp:component
|
lightweight alloys
|
|
gptkbp:conference
|
presented at aerospace conferences
|
|
gptkbp:controls
|
digital control system
|
|
gptkbp:coolingSystem
|
regenerative cooling
|
|
gptkbp:culturalImpact
|
featured in documentaries
|
|
gptkbp:design
|
modular design
|
|
gptkbp:designedBy
|
ISAS
|
|
gptkbp:developer
|
significant
|
|
gptkbp:diameter
|
2.5 m
|
|
gptkbp:education
|
case studies in engineering programs
|
|
gptkbp:electronicSystems
|
overcoming thermal stresses
|
|
gptkbp:energyEfficiency
|
high
|
|
gptkbp:engineType
|
liquid bipropellant engine
|
|
gptkbp:environmentalImpact
|
low emissions
|
|
gptkbp:exhaustSystem
|
30:1
|
|
gptkbp:firstClaim
|
potential for new missions
|
|
gptkbp:firstFlight
|
1994
|
|
gptkbp:firstMatch
|
1992
|
|
gptkbp:fuelType
|
liquid hydrogen and liquid oxygen
staged combustion
hypergolic ignition
|
|
gptkbp:hasContent
|
450 seconds
|
|
gptkbp:hasDepartment
|
600 seconds
|
|
gptkbp:historicalResearch
|
ongoing studies in propulsion
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
LE-7 engine
|
|
gptkbp:influence
|
inspired new designs
|
|
gptkbp:inspiration
|
previous rocket engines
|
|
gptkbp:keyPeople
|
notable engineers involved
|
|
gptkbp:launchDate
|
multiple successful launches
|
|
gptkbp:launched
|
H-II series
|
|
gptkbp:legacy
|
paved way for future engines
|
|
gptkbp:length
|
4.5 m
|
|
gptkbp:manufacturer
|
gptkb:Mitsubishi_Heavy_Industries
|
|
gptkbp:notableContestants
|
gptkb:Tanegashima_Space_Center
|
|
gptkbp:numberOfMembers
|
2
|
|
gptkbp:operationalArea
|
Japan's_space_program
|
|
gptkbp:patentStatus
|
multiple patents
|
|
gptkbp:productionCompany
|
retired
|
|
gptkbp:productionYears
|
1994 to 2003
|
|
gptkbp:project
|
several years of development
|
|
gptkbp:propulsion
|
1200 kN
40:1
|
|
gptkbp:publications
|
numerous research papers published
|
|
gptkbp:related_engine
|
staged combustion cycle
|
|
gptkbp:reliability
|
high
|
|
gptkbp:researchFocus
|
advanced propulsion technologies
|
|
gptkbp:safetyFeatures
|
excellent
|
|
gptkbp:successor
|
LE-7A engine
|
|
gptkbp:technology
|
extensive documentation available
|
|
gptkbp:totalGoals
|
20
|
|
gptkbp:usedIn
|
H-II rocket
|
|
gptkbp:weight
|
3,000 kg
|