gptkbp:instance_of
|
gptkb:turbofan_engine
|
gptkbp:application
|
regional jet aircraft
|
gptkbp:average_temperature
|
up to 1,500 ° F
|
gptkbp:bypass_ratio
|
5.4:1
|
gptkbp:certification
|
gptkb:Stage_4
FAA certified
|
gptkbp:compressor_type
|
gptkb:6
axial
|
gptkbp:control_system
|
gptkb:FADEC
|
gptkbp:cooling_system
|
air-cooled
|
gptkbp:diameter
|
34 in
|
gptkbp:engine
|
gptkb:CF34
gptkb:CF34_series
performance upgrades
advanced materials
commercial aviation
mass production
ongoing improvements
quiet operation
regional aviation
|
gptkbp:engine_configuration
|
high bypass ratio
pylon-mounted
detailed specifications
12,500 lbf
twin spool
|
gptkbp:engine_power
|
high reliability
high efficiency
|
gptkbp:engine_type
|
gptkb:CF34-3_B
turbofan
CF34-8 C, CF34-10 E
|
gptkbp:first_flight
|
gptkb:1982
|
gptkbp:fuel_capacity
|
60 in
34 in
|
gptkbp:fuel_economy
|
0.5 lb/lbf/hr
|
gptkbp:fuel_type
|
gptkb:Jet_A
|
https://www.w3.org/2000/01/rdf-schema#label
|
CF34-3 B12
|
gptkbp:is_tested_for
|
extensive testing
|
gptkbp:launch_platform
|
electric starter
|
gptkbp:length
|
60 in
|
gptkbp:maintenance
|
4,000 hours
|
gptkbp:manufacturer
|
gptkb:General_Electric
|
gptkbp:max_speed
|
10,000 RPM
|
gptkbp:noise_level
|
75 d B
|
gptkbp:notable_users
|
gptkb:Bombardier_CRJ_series
|
gptkbp:number_of_stages_in_low_pressure_compressor
|
gptkb:4
|
gptkbp:propulsion
|
12,500 lbf
|
gptkbp:service_ceiling
|
37,000 ft
|
gptkbp:turbine_type
|
2
high bypass turbofan
|
gptkbp:water_requirement
|
300 lb/hr
|
gptkbp:weight
|
1,200 lb
|
gptkbp:bfsParent
|
gptkb:General_Electric_CF34-3_B
|
gptkbp:bfsLayer
|
7
|