H-2 engine

GPTKB entity

Statements (56)
Predicate Object
gptkbp:instance_of gptkb:Team_Rocket
gptkbp:application gptkb:Space_Launch_System
gptkbp:challenges cryogenic handling
gptkbp:check_in_time approximately 500 seconds
gptkbp:collaboration gptkb:NASA_and_ESA
gptkbp:collaborative_projects with international space agencies
gptkbp:combustor_type staged combustion
gptkbp:control_system digital
gptkbp:cooling_system regenerative cooling
gptkbp:debut gptkb:1993
gptkbp:design_purpose heavy payload launch
gptkbp:development 1990s
gptkbp:development_cost estimated at $1 billion
gptkbp:educational_use in aerospace engineering programs
gptkbp:engine staged combustion cycle
gptkbp:engine_configuration vertical
gptkbp:engine_thrust_to_weight_ratio approximately 50:1
gptkbp:environmental_impact low emissions
gptkbp:first_flight gptkb:1994
gptkbp:fuel_capacity approximately 2.5 m
approximately 5.5 m
gptkbp:fuel_economy high
gptkbp:fuel_type liquid hydrogen
cryogenic
gptkbp:has_documentation available for research purposes
https://www.w3.org/2000/01/rdf-schema#label H-2 engine
gptkbp:ignition_system hypergolic
gptkbp:inspiration future rocket designs
gptkbp:is_a_supporter_of conducted during development
gptkbp:is_tested_for gptkb:Tanegashima_Space_Center
gptkbp:launch_date several per year
gptkbp:launch_platform gptkb:Japan_Aerospace_Exploration_Agency_(JAXA)
gptkbp:legacy paved the way for future Japanese rockets
gptkbp:manufacturer gptkb:Mitsubishi_Heavy_Industries
gptkbp:material lightweight alloys
gptkbp:notable_features high efficiency
gptkbp:notable_launches H-IIA and H-IIB rockets
gptkbp:number_of_rooms 2
approximately 20 MPa
gptkbp:operational_status retired
gptkbp:oxidation_states liquid oxygen
cryogenic
gptkbp:part_of gptkb:Japanese_space_program
gptkbp:propulsion 1,000 k N
gptkbp:reliability high
gptkbp:research_and_development ongoing improvements
gptkbp:retirement_year gptkb:2009
gptkbp:safety_record excellent
gptkbp:specific_impulse 450 seconds
gptkbp:successor gptkb:LE-7_engine
gptkbp:successor_engines LE-5 and LE-7
gptkbp:type liquid-fueled
gptkbp:used_in gptkb:H-II_rocket
gptkbp:weight approximately 3,000 kg
gptkbp:bfsParent gptkb:H-1_engines
gptkbp:bfsLayer 6