|
gptkbp:instanceOf
|
rocket engine
|
|
gptkbp:application
|
suborbital flight
|
|
gptkbp:associatedWith
|
NASA
|
|
gptkbp:barrelLength
|
1,000 psi
|
|
gptkbp:coolingSystem
|
regenerative cooling
|
|
gptkbp:designedBy
|
gptkb:North_American_Aviation
|
|
gptkbp:developer
|
1950s
|
|
gptkbp:documentType
|
bell nozzle
|
|
gptkbp:emissionsStandard
|
Inconel
|
|
gptkbp:energyEfficiency
|
high
|
|
gptkbp:engine
|
12 ft
|
|
gptkbp:engineConfiguration
|
single-chamber
|
|
gptkbp:engineDisplacement
|
3 ft
|
|
gptkbp:firstFlight
|
1960
1970
|
|
gptkbp:fuelType
|
gas-generator cycle
hypergolic
liquid oxygen and RP-1
1,200 lb/min
|
|
gptkbp:hasDepartment
|
approximately 90 seconds
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
XLR99 rocket engine
|
|
gptkbp:influenced
|
spacecraft propulsion systems
future rocket engines
|
|
gptkbp:inspiredBy
|
XLR11 rocket engine
|
|
gptkbp:legacy
|
pioneering rocket technology
|
|
gptkbp:manufacturer
|
gptkb:North_American_Aviation
|
|
gptkbp:maximumDepth
|
over 100 km
|
|
gptkbp:maxSpeed
|
gptkb:Mach_6.7
|
|
gptkbp:notableEvent
|
first rocket engine to achieve sustained flight at high altitude.
|
|
gptkbp:notableFeature
|
high performance
|
|
gptkbp:operatedBy
|
gptkb:United_States_Air_Force
|
|
gptkbp:operationalStatus
|
retired
3,000 °F
|
|
gptkbp:productionCompany
|
1955-1960
|
|
gptkbp:propulsion
|
60,000 lbf
40:1
|
|
gptkbp:related_engine
|
staged combustion
|
|
gptkbp:researchField
|
aerospace engineering
|
|
gptkbp:successor
|
XLR11 rocket engine
|
|
gptkbp:type
|
liquid rocket engine
|
|
gptkbp:usedFor
|
gptkb:X-15_program
research and development
|
|
gptkbp:usedIn
|
gptkb:X-15_rocket_plane
|
|
gptkbp:weight
|
1,500 lb
|