gptkbp:instance_of
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gptkb:jet_engine
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gptkbp:application
|
commercial aviation
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gptkbp:armament
|
composite
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gptkbp:average_temperature
|
1,500 ° F
|
gptkbp:certification
|
FAA certified
|
gptkbp:combustor_type
|
annular
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gptkbp:compressor_type
|
gptkb:5
axial
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gptkbp:control_system
|
hydromechanical
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gptkbp:cooling_system
|
bleed air system
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gptkbp:customer_support
|
gptkb:United_Airlines
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gptkbp:designed_by
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gptkb:Pratt_&_Whitney
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gptkbp:diameter
|
5 ft 6 in
3.0 ft
3 ft 1 in
|
gptkbp:elevation
|
37,000 ft
|
gptkbp:emissions_standard
|
ICAO Chapter 3
|
gptkbp:engine
|
gptkb:JT8_D-11
gptkb:JT8_D-9
gptkb:JT8_D
gptkb:JT8_D-15
20,000 hours
air starter
regional jets and narrow-body aircraft
|
gptkbp:engine_configuration
|
twin-spool
high bypass ratio
wing-mounted
pylon-mounted
dual spool
high bypass turbofan design
17,400 lbf thrust rating
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gptkbp:engine_power
|
good performance at cruise altitude
|
gptkbp:engine_type
|
turbofan
JT8 D-17 type rating
|
gptkbp:first_flight
|
gptkb:1963
gptkb:1965
gptkb:2006
gptkb:Boeing_727-100
|
gptkbp:fuel_economy
|
moderate
good fuel efficiency
0.6 lb/lbf/hr
|
gptkbp:fuel_type
|
gptkb:Jet_A
|
https://www.w3.org/2000/01/rdf-schema#label
|
JT8 D-17
|
gptkbp:length
|
12 ft 6 in
4.5 ft
|
gptkbp:maintenance
|
4,000 hours
|
gptkbp:manufacturer
|
gptkb:Pratt_&_Whitney
|
gptkbp:noise_level
|
Stage 3 compliant
Stage 2
moderate noise level
|
gptkbp:operational_history
|
widely used in the 1970s and 1980s
|
gptkbp:operational_range
|
high bypass ratio
|
gptkbp:operational_status
|
retired from service
|
gptkbp:produces
|
over 14,000 units
|
gptkbp:production_years
|
gptkb:1965
|
gptkbp:propulsion
|
not available
cascade
17,000 lbf
9.67:1
17,400 lbf
|
gptkbp:related_aircraft
|
gptkb:Boeing_737
|
gptkbp:reliability
|
high reliability
|
gptkbp:replaced_by
|
gptkb:PW1000_G
|
gptkbp:retirement
|
still in use in some aircraft
|
gptkbp:service_entry
|
gptkb:1966
|
gptkbp:successor
|
JT8 D-219
|
gptkbp:turbine_type
|
2
single spool
|
gptkbp:type
|
gptkb:turbofan_engine
|
gptkbp:type_rating
|
required for pilots
|
gptkbp:used_in
|
gptkb:Boeing_727
gptkb:Mc_Donnell_Douglas_DC-10
|
gptkbp:weight
|
1,800 lb
1,500 lb
|
gptkbp:bfsParent
|
gptkb:Pratt_&_Whitney_JT8_D
|
gptkbp:bfsLayer
|
6
|