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gptkbp:instance_of
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gptkb:turbofan_engine
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gptkbp:application
|
gptkb:Boeing_707
|
|
gptkbp:armament
|
composite
|
|
gptkbp:bypass_ratio
|
8.5:1
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|
gptkbp:certification
|
FAA certified
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|
gptkbp:compressor_type
|
axial
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gptkbp:control_system
|
gptkb:FADEC
|
|
gptkbp:cooling_system
|
air-cooled
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gptkbp:diameter
|
2.9 m
3.25 m
|
|
gptkbp:emissions_standard
|
CAEP/6
|
|
gptkbp:engine
|
advanced aerodynamics
state-of-the-art technology
modular
air start
part of GE90 family
|
|
gptkbp:engine_configuration
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gptkb:GE90-2_B12
twin-spool
optimized design
pylon-mounted
|
|
gptkbp:engine_cooling_system
|
advanced cooling system
|
|
gptkbp:engine_impact_on_environment
|
reduced environmental impact
|
|
gptkbp:engine_performance_metrics
|
meets performance metrics
|
|
gptkbp:engine_power
|
high reliability
high efficiency
20,000 hours
|
|
gptkbp:engine_technology_development
|
ongoing development
|
|
gptkbp:engine_test_bed
|
gptkb:GE90_test_facility
|
|
gptkbp:engine_test_results
|
successful test results
|
|
gptkbp:engine_thermal_efficiency
|
high thermal efficiency
|
|
gptkbp:engine_type
|
gptkb:Boeing_777-200_LR
gptkb:GE90-115_B
turbofan
|
|
gptkbp:engine_weight_to_thrust_ratio
|
0.069 lb/lbf
|
|
gptkbp:fuel_economy
|
high fuel efficiency
0.5 lb/hp/hr
|
|
gptkbp:fuel_type
|
gptkb:Jet_A
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
GE90-2 B12
|
|
gptkbp:length
|
3.5 m
|
|
gptkbp:maintenance
|
6,000 hours
low maintenance cost
|
|
gptkbp:manufacturer
|
gptkb:General_Electric
|
|
gptkbp:max_speed
|
Mach 0.84
|
|
gptkbp:noise_level
|
Stage 4 compliant
advanced noise reduction technology
|
|
gptkbp:number_of_engines
|
2
|
|
gptkbp:operational_use
|
commercial aviation
|
|
gptkbp:original_run
|
gptkb:1995
|
|
gptkbp:propulsion
|
no
115,300 lbf
|
|
gptkbp:service_entry
|
gptkb:1995
|
|
gptkbp:turbine_type
|
gptkb:Super_GT
high bypass turbofan
|
|
gptkbp:weight
|
8,000 lb
|
|
gptkbp:bfsParent
|
gptkb:GE90-2_B
|
|
gptkbp:bfsLayer
|
6
|