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gptkbp:instance_of
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gptkb:turbofan_engine
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gptkbp:application
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commercial aviation
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gptkbp:certification
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FAA certified
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gptkbp:combustor_type
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annular
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gptkbp:compressor_type
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axial
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gptkbp:control_system
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hydromechanical
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gptkbp:cooling_system
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air-cooled
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gptkbp:diameter
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0.94 m
3 ft 1 in
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gptkbp:engine
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high bypass ratio
air start
widely used in the 1970s and 1980s
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gptkbp:engine_configuration
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modular design
pylon-mounted
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gptkbp:engine_power
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high reliability
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gptkbp:engine_replacement
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replaced by newer engines in the 1990s.
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gptkbp:engine_type
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gptkb:turbofan_engine
compatible with various aircraft types
JT8 D-1, JT8 D-9, JT8 D-15
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gptkbp:fan_art
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single-stage fan
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gptkbp:first_flight
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gptkb:1965
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gptkbp:fuel_economy
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0.6 lb/lbf/hr
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gptkbp:fuel_type
|
gptkb:Jet_A
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|
https://www.w3.org/2000/01/rdf-schema#label
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JT8 D-7 B
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gptkbp:impact
|
significant impact on commercial aviation
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gptkbp:length
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10 ft 6 in
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gptkbp:maintenance
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4,000 hours
scheduled maintenance required
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gptkbp:manufacturer
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gptkb:Pratt_&_Whitney
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gptkbp:noise_level
|
Stage 3 compliant
acoustic liners
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gptkbp:number_of_stages
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gptkb:5
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gptkbp:operational_range
|
30,000 to 40,000 ft
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gptkbp:propulsion
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14,000 lbf
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gptkbp:service
|
20,000 hours
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gptkbp:successor
|
gptkb:JT8_D-200
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gptkbp:thrust_reverser
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cascade type
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gptkbp:total_length
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3.2 m
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gptkbp:uses
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gptkb:Lockheed_L-1011_Tri_Star
gptkb:Boeing_737-100
gptkb:Boeing_727
gptkb:Boeing_737-200
gptkb:Mc_Donnell_Douglas_DC-10
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gptkbp:weight
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2,500 lb
1,134 kg
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gptkbp:bfsParent
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gptkb:Boeing_737-100
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gptkbp:bfsLayer
|
6
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