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gptkbp:instance_of
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gptkb:turbofan_engine
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gptkbp:application
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gptkb:Boeing_707
gptkb:Airbus
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gptkbp:armament
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composite materials
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gptkbp:average_temperature
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up to 1,600 ° C
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gptkbp:bypass_ratio
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8.5:1
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gptkbp:cancellation_reason
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yes
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gptkbp:certification
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FAA certified
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gptkbp:combustor_type
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annular combustor
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gptkbp:competitors
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gptkb:Rolls-Royce_Trent_800
gptkb:GE_CF6
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gptkbp:compressor_type
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axial compressor
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gptkbp:configuration
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twin-spool
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gptkbp:control_system
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gptkb:full_authority_digital_engine_control_(FADEC)
gptkb:FADEC
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gptkbp:cooling_system
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air-cooled
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gptkbp:customer_base
|
major airlines
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gptkbp:customer_support
|
global network
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gptkbp:design
|
modular design
approximately 20,000 hours
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gptkbp:diameter
|
2.5 m
2.7 m
approximately 3.0 ft
approximately 2.5 m
|
|
gptkbp:emissions_standard
|
ICAO Chapter 4
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gptkbp:engine
|
gptkb:East_Hartford,_Connecticut
gptkb:PW4000_family
bleed air start
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gptkbp:engine_configuration
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pylon-mounted
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gptkbp:engine_type
|
high bypass turbofan
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gptkbp:fan_art
|
wide-chord fan
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gptkbp:first_flight
|
gptkb:1984
gptkb:1991
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|
gptkbp:fuel_economy
|
high
high efficiency
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gptkbp:fuel_type
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gptkb:Jet_A
|
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gptkbp:gearbox
|
reduction gearbox
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|
https://www.w3.org/2000/01/rdf-schema#label
|
PW4000-94 engine
|
|
gptkbp:length
|
3.5 m
approximately 12.5 ft
|
|
gptkbp:maintenance
|
6,000 hours
approximately 6,000 hours
|
|
gptkbp:manufacturer
|
gptkb:Pratt_&_Whitney
|
|
gptkbp:market_position
|
high
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|
gptkbp:market_share
|
significant in wide-body aircraft
|
|
gptkbp:maximum_power
|
up to 100,000 lbf
|
|
gptkbp:noise_level
|
Stage 3 compliant
|
|
gptkbp:notable_feature
|
advanced aerodynamics
high performance
modular design
reduced maintenance costs
low noise operation
environmentally friendly
improved reliability
high bypass ratio
high thrust-to-weight ratio
fuel-efficient design
advanced materials technology
digital engine control
|
|
gptkbp:operational_cost
|
competitive
|
|
gptkbp:operational_range
|
high altitude
|
|
gptkbp:produces
|
over 1,000 units
|
|
gptkbp:propulsion
|
no
up to 98,000 lbf
21.8:1
|
|
gptkbp:rating
|
excellent
|
|
gptkbp:reliability
|
proven track record
|
|
gptkbp:service_entry
|
gptkb:1990
gptkb:1994
|
|
gptkbp:support_services
|
maintenance and overhaul
|
|
gptkbp:turbine_type
|
high-pressure turbine
single crystal superalloy
|
|
gptkbp:type
|
high-bypass turbofan
|
|
gptkbp:upgrade_path
|
yes
|
|
gptkbp:weight
|
4,500 kg
lightweight design
approximately 8,000 lb
|