Rolls-Royce 250-C20 B

GPTKB entity

Statements (58)
Predicate Object
gptkbp:instance_of gptkb:engine
gptkbp:bfsLayer 4
gptkbp:bfsParent gptkb:Bell_430
gptkbp:application helicopters
gptkbp:armament gptkb:3
gptkbp:certification FAA certified
certified for various applications
gptkbp:compression_ratio 8.5:1
gptkbp:controls gptkb:full_authority_digital_engine_control_(FADEC)
gptkbp:cooling_system air-cooled
gptkbp:diameter 0.4 m
gptkbp:displacement 1.5 L
gptkbp:drivetrain reduction gearbox
gptkbp:engine gptkb:Rolls-Royce_250-C20
advanced materials
commercial aviation
high reliability
high power-to-weight ratio
compact design
widely used in the industry
global support network
proven track record
fuel-efficient operation
state-of-the-art engineering
light helicopter engine
starter-generator system
single-shaft
popular in the helicopter market
continuous improvements over the years
developed from the original 250 series
part of Rolls-Royce's heritage.
gptkbp:engine_type various helicopter models
free turbine
turbo-shaft
C20 B variant
gptkbp:first_flight gptkb:1960
gptkbp:fuel_capacity 1.2 m
150 kg
0.4 m
0.5 kg/hp/hr
gptkbp:fuel_type gptkb:Jet_A-1
https://www.w3.org/2000/01/rdf-schema#label Rolls-Royce 250-C20 B
gptkbp:ignition_system annular combustion chamber
gptkbp:introduced gptkb:1960
gptkbp:length 1.2 m
gptkbp:maintenance 500 hours
modular design for easy maintenance
gptkbp:manufacturer gptkb:Rolls-Royce
gptkbp:max_speed 42000
gptkbp:notable_users gptkb:Bell_Helicopter
gptkbp:operational_history used in military and civilian aircraft
gptkbp:origin gptkb:United_Kingdom
gptkbp:power_output 420 shp
gptkbp:powers 2.8 k W/kg
gptkbp:propulsion 2.8 k W/kg
420 lbf
gptkbp:successor gptkb:Rolls-Royce_250-C30
gptkbp:weight 150 kg