|
gptkbp:instance_of
|
gptkb:jet_engine
|
|
gptkbp:aircraft_operated
|
gptkb:Lockheed_L-1011_Tri_Star
gptkb:Douglas_DC-8
gptkb:Mc_Donnell_Douglas_DC-10
|
|
gptkbp:application
|
commercial aviation
|
|
gptkbp:average_temperature
|
1,500 ° F
|
|
gptkbp:certification
|
FAA certified
|
|
gptkbp:compressor_type
|
gptkb:5
axial
|
|
gptkbp:control_system
|
gptkb:FADEC
|
|
gptkbp:cooling_system
|
air-cooled
|
|
gptkbp:design
|
turbofan
|
|
gptkbp:diameter
|
6 ft 5 in
3 ft 9 in
|
|
gptkbp:emissions_standard
|
CAEP 6
|
|
gptkbp:engine_configuration
|
twin-spool
pylon-mounted
|
|
gptkbp:engine_type
|
gptkb:turbofan_engine
|
|
gptkbp:first_flight
|
gptkb:1961
|
|
gptkbp:fuel_economy
|
0.5 lb/lbf/hr
|
|
gptkbp:fuel_type
|
gptkb:Jet_A
|
|
gptkbp:has_programs
|
gptkb:JT3_D_program
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
JT3 D-7
|
|
gptkbp:introduced
|
gptkb:1961
|
|
gptkbp:launch_platform
|
electric starter
|
|
gptkbp:length
|
12 ft 6 in
|
|
gptkbp:maintenance
|
5,000 hours
|
|
gptkbp:manufacturer
|
gptkb:Pratt_&_Whitney
|
|
gptkbp:market_segment
|
commercial jetliners
|
|
gptkbp:noise_level
|
Stage 3 compliant
|
|
gptkbp:notable_users
|
gptkb:American_Airlines
gptkb:Delta_Air_Lines
gptkb:Trans_World_Airlines
gptkb:United_Airlines
|
|
gptkbp:number_of_stages
|
gptkb:5
|
|
gptkbp:operational_range
|
30,000 to 40,000 ft
|
|
gptkbp:operational_use
|
passenger transport
|
|
gptkbp:produces
|
over 1,000
|
|
gptkbp:propulsion
|
yes
6.17
18,500 lbf
|
|
gptkbp:related_aircraft
|
wide-body aircraft
|
|
gptkbp:reliability
|
high
|
|
gptkbp:retired
|
1990s
|
|
gptkbp:service_ceiling
|
42,000 ft
|
|
gptkbp:successor
|
gptkb:JT8_D
|
|
gptkbp:turbine_type
|
2
single spool
|
|
gptkbp:weight
|
3,000 lb
|
|
gptkbp:bfsParent
|
gptkb:Pratt_&_Whitney_JT3_D
|
|
gptkbp:bfsLayer
|
5
|