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gptkbp:instanceOf
|
turbo-shaft engine
|
|
gptkbp:application
|
helicopters
|
|
gptkbp:climate
|
up to 900 °C
|
|
gptkbp:compressionRatio
|
10:1
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|
gptkbp:controls
|
electronic control unit
|
|
gptkbp:coolingSystem
|
air-cooled
direct air cooling
|
|
gptkbp:diameter
|
0.4 m
|
|
gptkbp:drivetrain
|
reduction gearbox
|
|
gptkbp:engine
|
flexible mount
|
|
gptkbp:engineConfiguration
|
twin-spool
|
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gptkbp:engineType
|
2
250-C20
free turbine
turbo-shaft
starter motor
250-C18
250-C12
250-C14
250-C16
250-C24
250-C28
250-C28B
250-C30
250-C30B
250-C40
250-C47
250-C47B/1
250-C47B/2
250-C47B/3
250-C47B/4
250-C47B/5
|
|
gptkbp:exhaustSystem
|
axial exhaust
|
|
gptkbp:fanEvents
|
composite
|
|
gptkbp:firstFlight
|
1960
|
|
gptkbp:fuel_capacity
|
0.5 kg/hp/hr
|
|
gptkbp:fuelType
|
gptkb:Jet_A-1
annular combustor
|
|
gptkbp:hasArea
|
FAA_certified
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Rolls-Royce 250-C47B
|
|
gptkbp:length
|
1.2 m
|
|
gptkbp:maintenance
|
500 hours
|
|
gptkbp:manufacturer
|
gptkb:Rolls-Royce
|
|
gptkbp:noise_level
|
low noise
|
|
gptkbp:notableUsers
|
gptkb:McDonnell_Douglas
gptkb:Sikorsky_Aircraft
gptkb:Bell_Helicopter
AgustaWestland
|
|
gptkbp:performances
|
high reliability
high efficiency
|
|
gptkbp:powerOutput
|
450 shp
|
|
gptkbp:propulsion
|
3.75
|
|
gptkbp:services
|
3000 hours
|
|
gptkbp:weight
|
120 kg
|