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gptkbp:instance_of
|
gptkb:turbofan_engine
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|
gptkbp:application
|
gptkb:Lockheed_L-1011_Tri_Star
gptkb:Boeing
gptkb:Mc_Donnell_Douglas_DC-10
|
|
gptkbp:average_temperature
|
up to 1,500 ° F
|
|
gptkbp:bypass_ratio
|
5.5:1
|
|
gptkbp:certification
|
FAA certification
FAA type certificate
|
|
gptkbp:combustor_type
|
annular
|
|
gptkbp:compressor_type
|
gptkb:10
axial
axial compressor
|
|
gptkbp:configuration
|
dual-spool
|
|
gptkbp:control_system
|
gptkb:full_authority_digital_engine_control_(FADEC)
|
|
gptkbp:customer_support
|
24/7 assistance
|
|
gptkbp:design_features
|
high bypass ratio
|
|
gptkbp:developed_by
|
gptkb:Pratt_&_Whitney_JT8_D
|
|
gptkbp:development
|
developed from JT8 D
|
|
gptkbp:diameter
|
2.5 m
1.96 m
2.4 m
1.1 m
|
|
gptkbp:economic_impact
|
gptkb:significant
|
|
gptkbp:emissions_standard
|
ICAO Chapter 3
|
|
gptkbp:engine
|
gptkb:JT9_D_family
|
|
gptkbp:engine_configuration
|
twin-engine
twin-spool
25,000 lbf
|
|
gptkbp:engine_type
|
turbofan
|
|
gptkbp:environmental_impact
|
reduced emissions
|
|
gptkbp:fan_art
|
wide-chord fan blades
|
|
gptkbp:first_flight
|
gptkb:1970
|
|
gptkbp:fuel_economy
|
high
0.5 lb/lbf/hr
|
|
gptkbp:fuel_type
|
gptkb:Jet_A
|
|
gptkbp:history
|
extensive testing
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Pratt & Whitney JT9 D
|
|
gptkbp:innovation
|
advanced materials
|
|
gptkbp:introduced
|
gptkb:1968
|
|
gptkbp:legacy
|
influenced future engine designs
|
|
gptkbp:legacy_aircraft
|
still in service
|
|
gptkbp:length
|
3.8 m
|
|
gptkbp:maintenance
|
6,000 hours
4,000 hours
|
|
gptkbp:manufacturer
|
gptkb:Pratt_&_Whitney
|
|
gptkbp:market
|
commercial aviation market
|
|
gptkbp:market_position
|
widely available
|
|
gptkbp:marketed_as
|
gptkb:Boeing_747-100
|
|
gptkbp:max_speed
|
Mach 0.85
|
|
gptkbp:modifications
|
upgrades available
|
|
gptkbp:noise_level
|
Stage 3 compliant
|
|
gptkbp:notable_feature
|
first engine to power a wide-body aircraft
|
|
gptkbp:notable_users
|
gptkb:Lockheed_L-1011_Tri_Star
gptkb:Mc_Donnell_Douglas_DC-10
|
|
gptkbp:number_of_stages
|
gptkb:10
|
|
gptkbp:operational_history
|
used in commercial aviation
1970 to present
|
|
gptkbp:partnerships
|
aircraft manufacturers
|
|
gptkbp:produces
|
over 1,500
|
|
gptkbp:propulsion
|
cascade
18,000 to 25,000 lbf
|
|
gptkbp:reach
|
used worldwide
|
|
gptkbp:reliability
|
high reliability
proven
|
|
gptkbp:service_ceiling
|
40,000 ft
|
|
gptkbp:services_provided
|
comprehensive maintenance programs
|
|
gptkbp:specification
|
detailed in manuals
|
|
gptkbp:successor
|
gptkb:Pratt_&_Whitney_PW4000
|
|
gptkbp:training_programs
|
available for operators
|
|
gptkbp:turbine_type
|
gptkb:3
high bypass ratio
high-pressure turbine
|
|
gptkbp:type
|
high-bypass turbofan
|
|
gptkbp:used_in
|
gptkb:Boeing
|
|
gptkbp:weight
|
4,500 lb
|
|
gptkbp:bfsParent
|
gptkb:Boeing_747-200_B
gptkb:Airbus
|
|
gptkbp:bfsLayer
|
4
|