|
gptkbp:instance_of
|
gptkb:rocket
|
|
gptkbp:bfsLayer
|
4
|
|
gptkbp:bfsParent
|
gptkb:J-2_engines
gptkb:Aerojet_Rocketdyne
gptkb:Ares_I
gptkb:J-2
gptkb:J-2_engine
|
|
gptkbp:application
|
crew and cargo missions
|
|
gptkbp:average_temperature
|
-250 to 300 degrees Celsius
|
|
gptkbp:challenges
|
thermal protection
|
|
gptkbp:check_in_time
|
500 seconds
|
|
gptkbp:collaborations
|
international space agencies
|
|
gptkbp:community_engagement
|
high
|
|
gptkbp:controls
|
digital control system
|
|
gptkbp:cooling_system
|
regenerative cooling
|
|
gptkbp:design
|
gptkb:Rocketdyne
reusability
|
|
gptkbp:designed_by
|
gptkb:NASA
|
|
gptkbp:developer
|
$1 billion
|
|
gptkbp:educational_programs
|
NASA engineers
|
|
gptkbp:elevation
|
low Earth orbit
|
|
gptkbp:emissions_standard
|
expanding nozzle
|
|
gptkbp:engine
|
modular design
staged combustion cycle
single combustion chamber
|
|
gptkbp:engine_type
|
liquid bipropellant engine
|
|
gptkbp:environmental_impact
|
low emissions
|
|
gptkbp:first_flight
|
gptkb:2010
|
|
gptkbp:fuel_capacity
|
high
2.4 meters
|
|
gptkbp:fuel_type
|
RP-1 and liquid oxygen
gas-generator cycle
|
|
gptkbp:has_documentation
|
NASA reports
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
J-2 X engine
|
|
gptkbp:ignition_system
|
pyrotechnic
|
|
gptkbp:inspiration
|
gptkb:J-2_engine
|
|
gptkbp:is_a_supporter_of
|
NASA events
|
|
gptkbp:is_tested_for
|
gptkb:NASA_Stennis_Space_Center
hot fire tests
individual parts testing
|
|
gptkbp:launch_vehicle
|
gptkb:software
|
|
gptkbp:launched
|
extensive testing
|
|
gptkbp:length
|
4.5 meters
|
|
gptkbp:lifespan
|
10 years
|
|
gptkbp:mission
|
gptkb:Mars_missions
|
|
gptkbp:number_of_rooms
|
1000 psi
|
|
gptkbp:operational_area
|
future lunar missions
|
|
gptkbp:partnerships
|
gptkb:commercial_space_companies
|
|
gptkbp:performance
|
thrust vector control
|
|
gptkbp:produced_by
|
in development
|
|
gptkbp:project
|
gptkb:NASA_Marshall_Space_Flight_Center
sustainable space exploration
2010 to 2025
|
|
gptkbp:propulsion
|
20:1
294 kilonewtons
|
|
gptkbp:receives_funding_from
|
government funding
|
|
gptkbp:research_focus
|
advanced propulsion technologies
|
|
gptkbp:safety_features
|
redundant systems
|
|
gptkbp:successor
|
gptkb:J-2_engine
|
|
gptkbp:upgrades
|
advanced materials
|
|
gptkbp:used_in
|
gptkb:software
|
|
gptkbp:user_reviews
|
peer review process
|
|
gptkbp:weight
|
1,500 pounds
|