|
gptkbp:instance_of
|
gptkb:Team_Rocket
|
|
gptkbp:average_temperature
|
3,000 ° F
|
|
gptkbp:check_in_time
|
8.5 minutes
|
|
gptkbp:control_system
|
digital
variable
|
|
gptkbp:cooling_system
|
regenerative cooling
film cooling
|
|
gptkbp:designed_by
|
gptkb:Rocketdyne
|
|
gptkbp:development_cost
|
$1 billion
|
|
gptkbp:durability
|
gptkb:true
|
|
gptkbp:engine
|
gptkb:advanced_technology
gptkb:Rocketdyne
ongoing
extensive
modular
controlled
NASA and contractors
two-start
used in Space Launch System
|
|
gptkbp:engine_configuration
|
staged combustion cycle
|
|
gptkbp:engine_control_logic
|
redundant systems
|
|
gptkbp:engine_data_telemetry
|
real-time
|
|
gptkbp:engine_design_life
|
20 flights
|
|
gptkbp:engine_failure_rate
|
low
|
|
gptkbp:engine_legacy_impact
|
influenced future rocket designs
|
|
gptkbp:engine_power
|
high
analyzed post-flight
optimized for ascent
|
|
gptkbp:engine_public_display
|
gptkb:Smithsonian_National_Air_and_Space_Museum
|
|
gptkbp:engine_reusability
|
demonstrated
|
|
gptkbp:engine_shutdown_sequence
|
automated
|
|
gptkbp:engine_simulation
|
used for training
|
|
gptkbp:engine_test_stand
|
gptkb:NASA_Stennis_Space_Center
|
|
gptkbp:engine_thrust_to_weight_ratio
|
230:1
|
|
gptkbp:engine_type
|
gptkb:RS-25
|
|
gptkbp:engine_vibration_monitoring
|
active
|
|
gptkbp:exhaust_system
|
aerospike
|
|
gptkbp:first_flight
|
gptkb:1981
gptkb:2011
|
|
gptkbp:fuel_capacity
|
7.5 ft
14.5 ft
|
|
gptkbp:fuel_type
|
turbopump
liquid oxygen and liquid hydrogen
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Space Shuttle's main engines
|
|
gptkbp:ignition_system
|
pyrotechnic
|
|
gptkbp:impact
|
significant in aerospace engineering
|
|
gptkbp:investment
|
3,000 psi
|
|
gptkbp:maintenance
|
periodic overhaul
|
|
gptkbp:number_of_engines
|
three
|
|
gptkbp:number_of_rooms
|
single chamber
|
|
gptkbp:propulsion
|
gimbaled
1,800,000 lbf
|
|
gptkbp:specific_impulse
|
452 seconds
|
|
gptkbp:training
|
provided to astronauts
|
|
gptkbp:type
|
liquid-fueled
|
|
gptkbp:used_by
|
gptkb:Space_Shuttle
|
|
gptkbp:weight
|
7,800 lb
|
|
gptkbp:bfsParent
|
gptkb:Orbital_Maneuvering_System
|
|
gptkbp:bfsLayer
|
6
|