|
gptkbp:instance_of
|
gptkb:jet_engine
|
|
gptkbp:application
|
regional aircraft
|
|
gptkbp:certification
|
CAA certified
|
|
gptkbp:compression_ratio
|
8:1
|
|
gptkbp:configuration
|
free turbine
|
|
gptkbp:control_system
|
hydromechanical
|
|
gptkbp:cooling_system
|
air-cooled
oil cooling
|
|
gptkbp:design
|
gptkb:British
|
|
gptkbp:development
|
gptkb:Rolls-Royce
|
|
gptkbp:diameter
|
3 ft 4 in
|
|
gptkbp:elevation
|
up to 25,000 ft
|
|
gptkbp:engine
|
discontinued
two
Brayton cycle
air start
|
|
gptkbp:engine_configuration
|
pylon-mounted
twin-shaft
|
|
gptkbp:engine_type
|
gptkb:Dart_RDa.3
gptkb:Dart_RDa.4
gptkb:Dart_RDa.5
gptkb:Dart_RDa.6
propeller-driven
Dart RDa.7
|
|
gptkbp:exhaust_system
|
convergent-divergent nozzle
|
|
gptkbp:first_flight
|
gptkb:1949
|
|
gptkbp:fuel_economy
|
good
|
|
gptkbp:fuel_type
|
kerosene
dual fuel system
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Rolls-Royce Dart engines
|
|
gptkbp:ignition_system
|
spark ignition
|
|
gptkbp:is_tested_for
|
gptkb:Rolls-Royce_test_facility
|
|
gptkbp:length
|
10 ft 6 in
|
|
gptkbp:maintenance
|
1,500 hours
|
|
gptkbp:manufacturer
|
gptkb:Rolls-Royce
|
|
gptkbp:noise_level
|
moderate
|
|
gptkbp:notable_users
|
gptkb:Trans-Canada_Air_Lines
gptkb:Air_Canada
gptkb:British_Airways
gptkb:Eastern_Air_Lines
gptkb:Qantas
|
|
gptkbp:number_of_rooms
|
annular
|
|
gptkbp:operational_use
|
passenger transport
|
|
gptkbp:power_output
|
1,500 hp
|
|
gptkbp:propeller
|
variable-pitch
|
|
gptkbp:propulsion
|
1,500 to 3,000 lbf
|
|
gptkbp:reliability
|
high
|
|
gptkbp:retirement_year
|
gptkb:1980s
|
|
gptkbp:service_history
|
commercial aviation
|
|
gptkbp:successor
|
gptkb:Rolls-Royce_Tyne
|
|
gptkbp:type
|
gptkb:turbofan_engine
|
|
gptkbp:used_in
|
gptkb:De_Havilland_Comet_4
gptkb:Bristol_Britannia
gptkb:Vickers_Viscount
|
|
gptkbp:weight
|
1,200 lb
|
|
gptkbp:bfsParent
|
gptkb:De_Havilland_Heron
|
|
gptkbp:bfsLayer
|
6
|