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gptkbp:instance_of
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gptkb:jet_engine
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gptkbp:combustor_type
|
annular combustor
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gptkbp:compressor_type
|
axial compressor
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gptkbp:control_system
|
manual control
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gptkbp:cooling_system
|
air-cooled
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gptkbp:diameter
|
3 ft 3 in
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gptkbp:engine
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gptkb:military_aircraft
air start
influenced future jet engine designs
early turbojet technology
developed during World War II
pioneering jet engine technology
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gptkbp:engine_achievements
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first British turbojet engine to enter service.
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gptkbp:engine_configuration
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British design
straight-through
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gptkbp:engine_dimensions
|
12 ft 6 in length, 3 ft 3 in diameter
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gptkbp:engine_materials
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aluminum and steel
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gptkbp:engine_power
|
high performance for its time
reliable engine
3,500 lbf thrust
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gptkbp:engine_technology_advancement
|
advancement in jet propulsion technology
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gptkbp:engine_type
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compatible with various aircraft designs
Derwent I, II, III, IV, V
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|
gptkbp:engine_uses
|
used in early jet fighters
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gptkbp:first_flight
|
gptkb:1944
|
|
gptkbp:fuel_economy
|
0.8 lb/hp/hr
|
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gptkbp:fuel_type
|
kerosene
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|
https://www.w3.org/2000/01/rdf-schema#label
|
Rolls-Royce Derwent IV
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gptkbp:ignition_system
|
spark plug ignition
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gptkbp:impact
|
significant impact on aviation history
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gptkbp:length
|
12 ft 6 in
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gptkbp:maintenance
|
periodic maintenance required
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gptkbp:manufacturer
|
gptkb:Rolls-Royce
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gptkbp:noise_level
|
high noise level
|
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gptkbp:notable_users
|
gptkb:Royal_Air_Force
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gptkbp:operational_history
|
used in British military aircraft
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|
gptkbp:propulsion
|
3,500 lbf
2.92:1
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|
gptkbp:retirement_year
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gptkb:1955
|
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gptkbp:service_entry
|
gptkb:1944
|
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gptkbp:successor
|
gptkb:Rolls-Royce_Derwent_V
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gptkbp:turbine_type
|
single-stage turbine
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gptkbp:type
|
gptkb:turbofan_engine
|
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gptkbp:used_in
|
gptkb:de_Havilland_Vampire
|
|
gptkbp:weight
|
1,200 lb
|
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gptkbp:bfsParent
|
gptkb:Rolls-Royce_Derwent_series
|
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gptkbp:bfsLayer
|
8
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