gptkbp:instance_of
|
gptkb:turbofan_engine
|
gptkbp:aircraft_operated
|
gptkb:Boeing_707
gptkb:Lockheed_L-1011_Tri_Star
wide-body aircraft
|
gptkbp:application
|
commercial aviation
|
gptkbp:certification
|
FAA certified
|
gptkbp:combustor_type
|
annular combustor
|
gptkbp:competitors
|
gptkb:General_Electric_CF6
gptkb:Pratt_&_Whitney_PW4000
|
gptkbp:compressor_type
|
axial compressor
|
gptkbp:configuration
|
three-shaft
|
gptkbp:control_system
|
gptkb:full_authority_digital_engine_control_(FADEC)
|
gptkbp:cooling_system
|
air-cooled
|
gptkbp:customer_support
|
Rolls-Royce support services
|
gptkbp:design
|
modular design
Rolls-Royce engineers
|
gptkbp:development
|
1968-1972
|
gptkbp:diameter
|
60 inches
|
gptkbp:emissions_standard
|
low emissions
|
gptkbp:engine
|
gptkb:RB211-524
gptkb:RB211_family
gptkb:RB211-535_E4
RB211-22 B
|
gptkbp:engine_power
|
high performance
|
gptkbp:engine_type
|
high-bypass turbofan
|
gptkbp:first_flight
|
gptkb:1972
|
gptkbp:fuel_capacity
|
approximately 4.5 ft
approximately 12.5 ft
approximately 5.5 ft
|
gptkbp:fuel_economy
|
high
|
gptkbp:fuel_type
|
gptkb:Jet_A
|
gptkbp:global_usage
|
used worldwide
|
gptkbp:historical_significance
|
first engine with three-shaft design
|
https://www.w3.org/2000/01/rdf-schema#label
|
RB211 engine
|
gptkbp:innovation
|
advanced materials
|
gptkbp:maintenance
|
long
scheduled maintenance required
|
gptkbp:manufacturer
|
gptkb:Rolls-Royce
|
gptkbp:market_segment
|
narrow-body aircraft
|
gptkbp:noise_level
|
low
|
gptkbp:notable_feature
|
high bypass ratio
|
gptkbp:operational_cost
|
low operating cost
|
gptkbp:operational_period
|
Brayton cycle
|
gptkbp:operational_use
|
commercial airline operations
|
gptkbp:power_output
|
up to 30,000 lbf
|
gptkbp:propulsion
|
no
up to 24,000 lbf
|
gptkbp:reliability
|
high reliability
|
gptkbp:service_entry
|
gptkb:1972
|
gptkbp:successor
|
gptkb:RB211-535
|
gptkbp:total_units_built
|
over 10,000
|
gptkbp:turbine_type
|
high-pressure turbine
|
gptkbp:used_in
|
gptkb:Boeing_707
|
gptkbp:weight
|
approximately 3,000 lb
|
gptkbp:bfsParent
|
gptkb:Rolls-Royce_Civil_Aerospace
gptkb:Rolls-Royce_Defence
|
gptkbp:bfsLayer
|
5
|