RS-25 L

GPTKB entity

Statements (55)
Predicate Object
gptkbp:instance_of gptkb:Team_Rocket
gptkbp:application gptkb:NASA_missions
gptkbp:certification NASA certified
gptkbp:combustor_type 3,300 ° F
gptkbp:control_system digital
gptkbp:cooling_system regenerative cooling
gptkbp:debut gptkb:1980
gptkbp:designed_by gptkb:Rocketdyne
gptkbp:development_cost $1 billion
gptkbp:durability gptkb:true
gptkbp:engine gptkb:RS-25_D
gptkb:NASA_Michoud_Assembly_Facility
staged combustion
first reusable rocket engine
used in SLS
gptkbp:engine_configuration vertical
Rocketdyne engineers
up to 230,000 lbf
gptkbp:engine_design_life 100 flights
gptkbp:engine_development_program gptkb:Space_Shuttle
gptkbp:engine_future_use gptkb:Artemis_missions
gptkbp:engine_launch_history over 135 launches
gptkbp:engine_nozzle_expansion_ratio 60:1
gptkbp:engine_nozzle_type converging-diverging
gptkbp:engine_power high
optimized for reusability
gptkbp:engine_refurbishment gptkb:true
gptkbp:engine_retirement_date gptkb:2011
gptkbp:engine_testing_duration up to 500 seconds
gptkbp:engine_testing_milestones multiple successful static fires
gptkbp:engine_thrust_chamber single combustion chamber
gptkbp:engine_thrust_vector_control yes
gptkbp:engine_type liquid-fueled
gptkbp:first_flight gptkb:1981
gptkbp:fuel_capacity 7.5 ft
14.5 ft
gptkbp:fuel_type liquid hydrogen
https://www.w3.org/2000/01/rdf-schema#label RS-25 L
gptkbp:ignition_system gptkb:spark_plug
gptkbp:is_tested_for gptkb:Stennis_Space_Center
gptkbp:number_of_engines four
gptkbp:number_of_rooms 1,000 psi
gptkbp:operated_by gptkb:NASA
gptkbp:operational_period over 30 years
gptkbp:operational_status retired
gptkbp:oxidation_states liquid oxygen
gptkbp:propulsion 190,000 lbf
63:1
gptkbp:specific_impulse 452 seconds
gptkbp:successor gptkb:RS-25_E
gptkbp:total_engines_built gptkb:16
gptkbp:used_in gptkb:Space_Shuttle
gptkbp:weight 3,000 lb
gptkbp:bfsParent gptkb:Rocketdyne_RS-25
gptkbp:bfsLayer 5