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gptkbp:instance_of
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gptkb:jet_engine
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gptkbp:aircraft_operated
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gptkb:fighter_aircraft
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gptkbp:application
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gptkb:military_aircraft
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gptkbp:certification
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FAA certified
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gptkbp:combustor_type
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annular
axial flow
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gptkbp:compression_ratio
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7:1
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gptkbp:compressor_type
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axial
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gptkbp:control_system
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hydromechanical
hydraulic control
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gptkbp:cooling_system
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air-cooled
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gptkbp:design_date
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gptkb:1944
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gptkbp:diameter
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3 ft 4 in
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gptkbp:engine
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gptkb:General_Electric_J79
gptkb:military_aircraft
gptkb:Pratt_&_Whitney_J57
gptkb:Tumansky_R-25
gptkb:Mikulin_AM-5
gptkb:Pratt_&_Whitney_R-2800
gptkb:Rolls-Royce_Derwent
gptkb:Rolls-Royce_Avon
gptkb:Bristol_Orpheus
gptkb:Bristol_Proteus
gptkb:Klimov_VK-1
modular design
Brayton cycle
air start
innovative design features
produced in large numbers
advanced technology for its time
subject of extensive research
used in several aircraft types
Snecma Atar
developed during the Cold War
part of aviation community discussions
Nene engine
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|
gptkbp:engine_configuration
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twin-engine
twin-spool
designed for performance
various modifications available
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|
gptkbp:engine_displacement
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1,500 cu in
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|
gptkbp:engine_education
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used in educational programs
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gptkbp:engine_exhibits
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featured in aviation exhibits
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gptkbp:engine_legacy_aircraft
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used in legacy aircraft models
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gptkbp:engine_legacy_status
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recognized as a legacy engine
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gptkbp:engine_legacy_system
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part of legacy engine systems
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gptkbp:engine_power
|
high reliability
high thermal efficiency
high performance ratings
approximately 3,000 hours
|
|
gptkbp:engine_technical_data
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technical data available for engineers
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|
gptkbp:engine_type
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turbojet
compatible with various airframes
multiple variants produced
J48-P-7
J48-P-8
J48-P-6
J48-P-9
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gptkbp:exhaust_system
|
afterburning
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|
gptkbp:first_flight
|
1947
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gptkbp:fuel_economy
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0.8 lb/hp/hr
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gptkbp:fuel_type
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gptkb:Jet_A
JP-4
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|
https://www.w3.org/2000/01/rdf-schema#label
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Pratt & Whitney J48-P-5
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gptkbp:ignition_system
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gptkb:spark_plug
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gptkbp:impact
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significant impact on jet engine development
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gptkbp:is_tested_for
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ground test conducted
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gptkbp:length
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12 ft 6 in
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|
gptkbp:maintenance
|
500 hours
periodic maintenance required
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gptkbp:manufacturer
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gptkb:Pratt_&_Whitney
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gptkbp:noise_level
|
low vibration
low noise level
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gptkbp:number_built
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over 500
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gptkbp:number_of_engines
|
two
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gptkbp:operational_history
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used in F-86 Sabre
used in F9 F Panther
used in FJ-1 Fury
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|
gptkbp:power_output
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3,600 to 5,000 lbf
|
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gptkbp:propulsion
|
5,000 lbf
5000 lbf
|
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gptkbp:related_aircraft
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gptkb:Mc_Donnell_F2_H_Banshee
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|
gptkbp:retirement_year
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1960s
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gptkbp:service_history
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used in military aircraft
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gptkbp:successor
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gptkb:Pratt_&_Whitney_J52
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|
gptkbp:turbine_type
|
single-stage
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gptkbp:type
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gptkb:turbofan_engine
|
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gptkbp:used_in
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gptkb:Douglas_A-1_Skyraider
|
|
gptkbp:weight
|
2,800 lb
1200 lb
|