|
gptkbp:instanceOf
|
turbo-shaft engine
|
|
gptkbp:application
|
gptkb:Eurocopter_AS350
gptkb:Sikorsky_S-76
gptkb:Bell_206
Agusta A109
|
|
gptkbp:certifications
|
EASA_certified
FAA_certified
|
|
gptkbp:controls
|
gptkb:full_authority_digital_engine_control_(FADEC)
|
|
gptkbp:coolingSystem
|
air-cooled
direct air cooling
|
|
gptkbp:customerBase
|
various helicopter operators
|
|
gptkbp:design_feature
|
modular design
|
|
gptkbp:diameter
|
400 mm
|
|
gptkbp:emissionsStandard
|
low emissions
|
|
gptkbp:engineConfiguration
|
free turbine
|
|
gptkbp:engineType
|
3
axial compressor
single-stage gas generator
starter-generator system
|
|
gptkbp:firstFlight
|
1960
|
|
gptkbp:fuel_capacity
|
0.5 kg/shp/hr
|
|
gptkbp:fuelType
|
gptkb:Jet_A-1
|
|
gptkbp:historical_significance
|
pioneering turbo-shaft technology
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Rolls-Royce 250
|
|
gptkbp:is_used_in
|
helicopters
|
|
gptkbp:length
|
1,200 mm
|
|
gptkbp:maintenance
|
1,500 hours
|
|
gptkbp:manufacturer
|
gptkb:Rolls-Royce_Holdings
|
|
gptkbp:market_segment
|
commercial aviation
military aviation
|
|
gptkbp:noise_level
|
low noise operation
|
|
gptkbp:notable_feature
|
RR250-C20
RR250-C47
RR250-C30
|
|
gptkbp:operationalHistory
|
used by military forces
widely used in civil aviation
|
|
gptkbp:powerOutput
|
450 to 1,000 shp
|
|
gptkbp:productionYears
|
1950s to 1960s
|
|
gptkbp:propulsion
|
3.5:1
|
|
gptkbp:providesOpportunitiesFor
|
global support network
|
|
gptkbp:related_engine
|
gptkb:Rolls-Royce_300
gptkb:Rolls-Royce_400
|
|
gptkbp:reliability
|
high reliability
|
|
gptkbp:services
|
up to 5,000 hours
|
|
gptkbp:successor
|
gptkb:Rolls-Royce_M250
|
|
gptkbp:type
|
turbo-shaft
|
|
gptkbp:weight
|
approximately 150 kg
|