|
gptkbp:instance_of
|
gptkb:turbofan_engine
|
|
gptkbp:application
|
gptkb:Boeing_707
|
|
gptkbp:armament
|
composite
|
|
gptkbp:bypass_ratio
|
8.5:1
|
|
gptkbp:certification
|
FAA certified
|
|
gptkbp:compressor_type
|
axial
|
|
gptkbp:control_system
|
gptkb:Full_Authority_Digital_Engine_Control_(FADEC)
|
|
gptkbp:cooling_system
|
air-cooled
|
|
gptkbp:diameter
|
123 in
3.3 ft
|
|
gptkbp:elevation
|
43,000 ft
|
|
gptkbp:emissions_standard
|
CAEP/6
|
|
gptkbp:engine
|
advanced aerodynamics
developed in the 1990s
air start
new materials and designs
widely used in long-haul aviation
|
|
gptkbp:engine_configuration
|
gptkb:GE90-20_B
twin-spool
|
|
gptkbp:engine_cooling_system
|
advanced cooling system
|
|
gptkbp:engine_impact_on_aircraft
|
increased range and payload
|
|
gptkbp:engine_maintenance_schedule
|
scheduled maintenance every 6 months
|
|
gptkbp:engine_market_share
|
dominant in its class
|
|
gptkbp:engine_power
|
high performance
high reliability
85,000 to 115,300 lbf
|
|
gptkbp:engine_technology_advancement
|
continuous improvement in technology
|
|
gptkbp:engine_technology_leader
|
leading edge technology
|
|
gptkbp:engine_thermal_efficiency
|
high thermal efficiency
|
|
gptkbp:engine_type
|
gptkb:Boeing_777-200_LR
high bypass turbofan
|
|
gptkbp:engine_variant_of
|
gptkb:GE90_series
|
|
gptkbp:first_flight
|
gptkb:1995
|
|
gptkbp:fuel_capacity
|
2.9 m
1.0 m
|
|
gptkbp:fuel_economy
|
high fuel efficiency
low fuel consumption
|
|
gptkbp:fuel_type
|
gptkb:Jet_A
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
GE90-20 B
|
|
gptkbp:is_tested_for
|
gptkb:Peebles,_Ohio
|
|
gptkbp:length
|
9.5 ft
|
|
gptkbp:maintenance
|
10,000 hours
low maintenance cost
|
|
gptkbp:manufacturer
|
gptkb:General_Electric
|
|
gptkbp:noise_level
|
Stage 4 compliant
advanced noise reduction technology
|
|
gptkbp:number_of_engines
|
2
|
|
gptkbp:propulsion
|
115,300 lbf
14.4:1
|
|
gptkbp:service_entry
|
gptkb:1995
|
|
gptkbp:turbine_type
|
high bypass turbofan
single crystal superalloy
|
|
gptkbp:weight
|
8,000 lb
|
|
gptkbp:bfsParent
|
gptkb:GE90
|
|
gptkbp:bfsLayer
|
5
|