|
gptkbp:instance_of
|
gptkb:jet_engine
|
|
gptkbp:aircraft_operated
|
gptkb:de_Havilland_Sea_Vixen
|
|
gptkbp:application
|
gptkb:military_aircraft
|
|
gptkbp:average_temperature
|
1,000 ° C
|
|
gptkbp:check_in_time
|
optional
|
|
gptkbp:combustor_type
|
axial flow
|
|
gptkbp:compressor_type
|
8
|
|
gptkbp:control_system
|
hydromechanical
|
|
gptkbp:cooling_system
|
air-cooled
air cooling
|
|
gptkbp:design
|
gptkb:Bristol_Siddeley
|
|
gptkbp:diameter
|
3 ft 4 in
|
|
gptkbp:engine
|
gptkb:military_aircraft
gptkb:Bristol_Siddeley_Orpheus_703
Brayton cycle
1958-1970
Orpheus family
|
|
gptkbp:engine_combustion_chamber
|
annular combustion chamber
|
|
gptkbp:engine_configuration
|
single spool
Bristol Siddeley Orpheus series
|
|
gptkbp:engine_design_feature
|
modular design
|
|
gptkbp:engine_nozzle_type
|
convergent-divergent nozzle
|
|
gptkbp:engine_power
|
high reliability
high thrust-to-weight ratio
good fuel efficiency
|
|
gptkbp:engine_production_quantity
|
over 1,000 units
|
|
gptkbp:engine_startup_method
|
electric starter
|
|
gptkbp:engine_type
|
gptkb:turbofan_engine
Orpheus 703
|
|
gptkbp:first_flight
|
gptkb:1958
|
|
gptkbp:fuel_capacity
|
680 kg
1.02 m
4.42 m
|
|
gptkbp:fuel_economy
|
0.8 lb/hp/hr
|
|
gptkbp:fuel_type
|
kerosene
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Bristol Siddeley Orpheus 703 Y
|
|
gptkbp:ignition_system
|
gptkb:spark_plug
|
|
gptkbp:introduced
|
gptkb:1958
|
|
gptkbp:is_tested_for
|
gptkb:Bristol,_UK
|
|
gptkbp:length
|
14 ft 6 in
|
|
gptkbp:maintenance
|
500 hours
|
|
gptkbp:manufacturer
|
gptkb:Bristol_Siddeley
|
|
gptkbp:max_speed
|
Mach 0.9
|
|
gptkbp:noise_level
|
85 d B
|
|
gptkbp:notable_users
|
gptkb:British_Armed_Forces
|
|
gptkbp:operational_history
|
gptkb:Royal_Navy
|
|
gptkbp:propulsion
|
no
8:1
12,000 lbf
54 k N
|
|
gptkbp:retired
|
1970s
|
|
gptkbp:service_ceiling
|
45,000 ft
|
|
gptkbp:successor
|
gptkb:Rolls-Royce_RB.168
|
|
gptkbp:turbine_type
|
2
|
|
gptkbp:type
|
turbojet
|
|
gptkbp:used_in
|
gptkb:Hawker_Siddeley_Buccaneer
|
|
gptkbp:water_requirement
|
1,200 lb/hr
|
|
gptkbp:weight
|
1,500 lb
|