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gptkbp:instanceOf
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turbofan engine
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gptkbp:application
|
commercial aviation
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gptkbp:certifications
|
FAA_certified
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gptkbp:design_feature
|
modular design
single-stage fan
high bypass ratio
two-stage high-pressure turbine
three-stage low-pressure turbine
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gptkbp:developer
|
developed from JT8
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gptkbp:diameter
|
3.0 ft
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gptkbp:engineType
|
axial
high bypass ratio
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|
gptkbp:firstFlight
|
1965
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gptkbp:fuel_capacity
|
improved over predecessors
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gptkbp:fuelType
|
Jet A
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|
https://www.w3.org/2000/01/rdf-schema#label
|
Pratt & Whitney JT8D
|
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gptkbp:impact
|
significant influence on engine design
|
|
gptkbp:is_used_in
|
gptkb:McDonnell_Douglas_DC-9
gptkb:Boeing_727
|
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gptkbp:legacy
|
paved the way for modern turbofans
|
|
gptkbp:length
|
4.5 ft
|
|
gptkbp:maintenance
|
3,000 hours
|
|
gptkbp:manufacturer
|
gptkb:Pratt_&_Whitney
|
|
gptkbp:noise_level
|
Stage 3 compliant
|
|
gptkbp:notableUsers
|
gptkb:Delta_Air_Lines
gptkb:Trans_World_Airlines
gptkb:United_Airlines
gptkb:Alaska_Airlines
gptkb:Eastern_Air_Lines
|
|
gptkbp:operational_status
|
2006
|
|
gptkbp:operationalHistory
|
widely used in the 1970s and 1980s
|
|
gptkbp:operationalStatus
|
commercial airliners
|
|
gptkbp:produces
|
over 14,000 units
|
|
gptkbp:propulsion
|
18,500 to 22,000 lbf
|
|
gptkbp:related_engine
|
JT8D-1
JT8D-15
JT8D-17
JT8D-7
JT8D-219
JT8 family
Brayton_cycle
|
|
gptkbp:retired
|
various aircraft models
|
|
gptkbp:retirementYear
|
phased out in the 2000s
|
|
gptkbp:setting
|
dual-spool
|
|
gptkbp:successor
|
gptkb:Pratt_&_Whitney_PW4000
|
|
gptkbp:variant
|
multiple
|
|
gptkbp:weight
|
1,500 lb
|