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gptkbp:instance_of
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gptkb:turbofan_engine
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|
gptkbp:aircraft_type
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wide-body aircraft
|
|
gptkbp:application
|
gptkb:Boeing_707
gptkb:Boeing_777-300_ER
commercial aviation
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gptkbp:armament
|
composite
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gptkbp:average_temperature
|
high
1,500 ° F
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|
gptkbp:bypass_ratio
|
8.5:1
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|
gptkbp:certification
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gptkb:FAA
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|
gptkbp:combustor_type
|
annular
|
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gptkbp:competitors
|
gptkb:Rolls-Royce_Trent_900
|
|
gptkbp:compressor_type
|
gptkb:9
axial
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|
gptkbp:control_system
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gptkb:FADEC
|
|
gptkbp:cooling_system
|
air-cooled
|
|
gptkbp:customer_support
|
gptkb:Boeing
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|
gptkbp:development_cost
|
over $1 billion
|
|
gptkbp:diameter
|
3.4 m
123 inches
3.0 m
3.1 ft
|
|
gptkbp:emissions_standard
|
CAEP/6
low NOx emissions
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|
gptkbp:engine
|
gptkb:Evendale,_Ohio
modular design
advanced materials
high bypass ratio
composite fan blades
widely used in commercial aviation
bleed air
|
|
gptkbp:engine_compressor_stages
|
gptkb:6
|
|
gptkbp:engine_configuration
|
twin-spool
pylon-mounted
|
|
gptkbp:engine_fan_stages
|
gptkb:3
|
|
gptkbp:engine_number_of_stages
|
gptkb:10
|
|
gptkbp:engine_power
|
high
30,000 hours
optimized for long-haul flights
|
|
gptkbp:engine_thermal_efficiency
|
high
|
|
gptkbp:engine_turbine_stages
|
gptkb:4
|
|
gptkbp:engine_type
|
gptkb:Boeing_777-200_LR
gptkb:GE90-110_B
turbofan
high-bypass turbofan
|
|
gptkbp:engine_weight_to_thrust_ratio
|
0.069 lb/lbf
|
|
gptkbp:first_flight
|
gptkb:1995
gptkb:2002
gptkb:2004
|
|
gptkbp:fuel_capacity
|
4.2 m
3.4 m
3,600 kg
|
|
gptkbp:fuel_economy
|
low
high
0.5 lb/lbf/hr
improved over previous models
|
|
gptkbp:fuel_type
|
gptkb:Jet_A
|
|
gptkbp:gearbox
|
reduction gearbox
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
GE90-115 B
|
|
gptkbp:inspiration
|
efficiency and performance
|
|
gptkbp:introduced
|
gptkb:2002
|
|
gptkbp:is_tested_for
|
gptkb:Peebles,_Ohio
|
|
gptkbp:length
|
11.5 ft
3.4 m
|
|
gptkbp:maintenance
|
low
long
scheduled maintenance
10,000 hours
long maintenance intervals
|
|
gptkbp:manufacturer
|
gptkb:General_Electric
|
|
gptkbp:market_share
|
dominant in its class
|
|
gptkbp:max_speed
|
Mach 0.84
|
|
gptkbp:noise_level
|
low
Stage 4 compliant
advanced design
quieter than predecessors
advanced design features
|
|
gptkbp:notable_feature
|
largest commercial jet engine
|
|
gptkbp:number_of_engines
|
2
|
|
gptkbp:number_of_stages
|
gptkb:9
|
|
gptkbp:produces
|
over 1,500 engines
|
|
gptkbp:propulsion
|
no
115,300 lbf
14.4:1
115,000 lbf
|
|
gptkbp:reliability
|
high
high reliability rating
|
|
gptkbp:service_entry
|
gptkb:2004
|
|
gptkbp:successor
|
gptkb:GE9_X
|
|
gptkbp:turbine_type
|
gptkb:3
single crystal superalloy
high-pressure and low-pressure
|
|
gptkbp:type
|
high-bypass turbofan
|
|
gptkbp:upgrades
|
various performance upgrades available
|
|
gptkbp:uses
|
gptkb:Boeing_707
|
|
gptkbp:weight
|
8,000 lb
9,500 lb
|
|
gptkbp:year_established
|
gptkb:2002
|
|
gptkbp:bfsParent
|
gptkb:GE90_engine
|
|
gptkbp:bfsLayer
|
4
|