gptkbp:instance_of
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gptkb:turbofan_engine
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gptkbp:accessories
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gptkb:spark_plug
gptkb:gasoline
fuel control unit
starter generator
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gptkbp:application
|
helicopters
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gptkbp:average_temperature
|
up to 900 ° C
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gptkbp:certification
|
FAA certified
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gptkbp:combustor_type
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annular
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gptkbp:compression_ratio
|
6.5:1
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gptkbp:control_system
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gptkb:full_authority_digital_engine_control_(FADEC)
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gptkbp:cooling_system
|
air-cooled
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gptkbp:design
|
modular design
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gptkbp:development
|
Rolls-Royce M250 series
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gptkbp:diameter
|
0.3 m
|
gptkbp:emissions_standard
|
low
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gptkbp:engine
|
Rolls-Royce M250-C20
Rolls-Royce M250-C30
Rolls-Royce M250-C40
|
gptkbp:engine_configuration
|
single spool
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gptkbp:engine_type
|
turbo-shaft
|
gptkbp:first_flight
|
gptkb:1960
|
gptkbp:fuel_economy
|
high
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gptkbp:fuel_type
|
gptkb:Jet_A-1
|
gptkbp:gearbox
|
reduction gearbox
|
https://www.w3.org/2000/01/rdf-schema#label
|
Rolls-Royce M250-C47 B
|
gptkbp:launch_window
|
electric starter
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gptkbp:length
|
1.2 m
|
gptkbp:maintenance
|
500 hours
|
gptkbp:manufacturer
|
gptkb:Rolls-Royce
|
gptkbp:market_segment
|
gptkb:civil_aviation
gptkb:military_aircraft
|
gptkbp:notable_users
|
gptkb:Agusta_Westland
gptkb:Bell_Helicopter
gptkb:Mc_Donnell_Douglas
|
gptkbp:operational_range
|
varies by application
|
gptkbp:power_output
|
450 shp
|
gptkbp:propulsion
|
450 lbf
3.75 shp/kg
|
gptkbp:status
|
in production
|
gptkbp:successor
|
Rolls-Royce M250-C47 M
|
gptkbp:turbine_type
|
axial
|
gptkbp:type
|
gptkb:turbofan_engine
|
gptkbp:weight
|
120 kg
|
gptkbp:bfsParent
|
gptkb:Bell_407_GXi
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gptkbp:bfsLayer
|
5
|