|
gptkbp:instanceOf
|
jet engine
|
|
gptkbp:aircraft
|
wide-body aircraft
|
|
gptkbp:application
|
commercial aviation
|
|
gptkbp:climate
|
1,500 °F
|
|
gptkbp:controls
|
hydromechanical
|
|
gptkbp:coolingSystem
|
air-cooled
|
|
gptkbp:design
|
low bypass ratio
|
|
gptkbp:diameter
|
3.5 ft
|
|
gptkbp:emissionsStandard
|
high
|
|
gptkbp:engine
|
modular
|
|
gptkbp:engineConfiguration
|
turbojet
|
|
gptkbp:engineType
|
gptkb:JT3D
axial
single_spool
|
|
gptkbp:environmental_impact
|
significant
|
|
gptkbp:firstFlight
|
1958
|
|
gptkbp:fuel_capacity
|
low
0.8 lb/lbf/hr
|
|
gptkbp:fuelType
|
Jet A
annular
|
|
gptkbp:hasArea
|
static and flight tests
|
|
gptkbp:historical_significance
|
pioneering turbojet technology
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Pratt & Whitney JT3C
|
|
gptkbp:is_used_in
|
gptkb:Boeing_707
gptkb:Douglas_DC-8
|
|
gptkbp:legacy
|
influenced future jet engine designs
|
|
gptkbp:length
|
12.5 ft
|
|
gptkbp:maintenance
|
2,500 hours
|
|
gptkbp:manufacturer
|
gptkb:Pratt_&_Whitney
|
|
gptkbp:maximum_speed
|
Mach_0.9
|
|
gptkbp:noise_level
|
high
|
|
gptkbp:notableUsers
|
gptkb:American_Airlines
gptkb:Trans_World_Airlines
gptkb:United_Airlines
gptkb:Eastern_Air_Lines
gptkb:Pan_American_World_Airways
|
|
gptkbp:operationalHistory
|
1960s to 1980s
|
|
gptkbp:productionYears
|
1950s
|
|
gptkbp:propulsion
|
6:1
18,000 lbf
|
|
gptkbp:regulatoryCompliance
|
FAA_certified
|
|
gptkbp:related_engine
|
JT3
Brayton_cycle
|
|
gptkbp:reliability
|
moderate
|
|
gptkbp:retirementYear
|
1980s
|
|
gptkbp:service_ceiling
|
40,000 ft
|
|
gptkbp:successor
|
gptkb:Pratt_&_Whitney_JT8D
|
|
gptkbp:type
|
turbojet engine
|
|
gptkbp:weight
|
3,000 lb
|