LE-5 A engine

GPTKB entity

Statements (57)
Predicate Object
gptkbp:instance_of gptkb:rocket
gptkbp:bfsLayer 5
gptkbp:bfsParent gptkb:H-IIA_264
gptkbp:application gptkb:spacecraft
gptkbp:challenges overcoming thermal stresses
gptkbp:check_in_time approximately 600 seconds
gptkbp:collaborations joint projects with NASA
gptkbp:controls electronic control
gptkbp:cooling_system regenerative cooling
gptkbp:debut_year multiple successful launches
gptkbp:design orbital insertion
gptkbp:developed_by gptkb:ISAS
gptkbp:developer 1980s to 1990s
gptkbp:emissions_standard bell nozzle
gptkbp:engine gptkb:collaboration
staged combustion cycle
single nozzle
controlled shutdown
multiple start capability
gptkbp:engine_type gptkb:rocket
gptkbp:environmental_impact low emissions
gptkbp:first_flight gptkb:1994
gptkbp:fuel_capacity 2.5 m
4.5 m
high
gptkbp:fuel_type liquid hydrogen
staged combustion
gptkbp:future_plans inspiration for new designs
gptkbp:has_documentation available for research
gptkbp:historical_significance pioneered liquid rocket technology
https://www.w3.org/2000/01/rdf-schema#label LE-5 A engine
gptkbp:ignition_system hypergolic ignition
gptkbp:invention several related patents filed
gptkbp:investment 20 bar
gptkbp:is_tested_for extensive ground testing
KSC Test Stand
gptkbp:launch_site gptkb:Tanegashima_Space_Center
gptkbp:launch_vehicle H-II
gptkbp:legacy influenced future designs
gptkbp:manufacturer gptkb:Mitsubishi_Heavy_Industries
gptkbp:material lightweight alloys
gptkbp:number_of_rooms one
gptkbp:operational_area used in multiple missions
gptkbp:operational_status retired
gptkbp:performance high efficiency
gptkbp:propulsion 66.67
450 s
100 k N
L H2/ LOX
gptkbp:research_focus advanced propulsion technology
gptkbp:safety_features redundant systems
gptkbp:social_structure liquid oxygen
gptkbp:specifies detailed in engineering reports
gptkbp:successor gptkb:LE-5_B_engine
gptkbp:tour gptkb:theatre
gptkbp:used_in gptkb:H-II_rocket
gptkbp:weight approximately 1,500 kg