Armstrong Siddeley Sapphire (turbojet engine)
E846713
The Armstrong Siddeley Sapphire is a British axial-flow turbojet engine developed in the late 1940s and widely used in early Cold War jet aircraft such as the Hawker Hunter and Gloster Javelin.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Armstrong Siddeley Sapphire | 0 |
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf | turbojet engine ⓘ |
| alsoKnownAs |
ASSa.5 (one of the main variants)
NERFINISHED
ⓘ
Sapphire Sa.6 NERFINISHED ⓘ Sapphire Sa.7 NERFINISHED ⓘ |
| application |
bomber aircraft
ⓘ
fighter aircraft ⓘ research and test aircraft ⓘ |
| category |
British aircraft engine
ⓘ
Cold War jet engine ⓘ axial-compressor gas turbine ⓘ |
| compressorStages | approximately 10–12 stages (depending on variant) ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| designFeature |
annular combustion chamber
ⓘ
axial-flow compressor ⓘ single-stage turbine (early versions) ⓘ |
| developedFrom | Metrovick F.2 (design influence via team) ⓘ |
| developedInPeriod | late 1940s ⓘ |
| enteredService | early 1950s ⓘ |
| era | early jet age ⓘ |
| firstRun | 1948 ⓘ |
| fuelType | kerosene-based jet fuel ⓘ |
| historicalSignificance | one of the principal British axial-flow turbojets of the early Cold War ⓘ |
| manufacturer | Armstrong Siddeley NERFINISHED ⓘ |
| notableCharacteristic |
good high-altitude performance
ⓘ
high reliability for its era ⓘ |
| poweredFirstFlightOf |
Gloster Javelin prototype
ⓘ
early Hawker Hunter variants ⓘ |
| productionPeriod | 1950s ⓘ |
| status | out of production ⓘ |
| successor | Rolls-Royce Avon (in many RAF types) NERFINISHED ⓘ |
| thrustClass | 7000–11000 lbf ⓘ |
| turbineStages | 1 or 2 stages (depending on variant) ⓘ |
| usedBy |
Royal Air Force
ⓘ
Royal Australian Air Force (via Hawker Hunter and Canberra use) NERFINISHED ⓘ |
| usedFor |
aerodynamic research
ⓘ
engine development testing ⓘ operational service ⓘ |
| usedInAircraft |
Avro Ashton (testbed)
NERFINISHED
ⓘ
English Electric Canberra NERFINISHED ⓘ Gloster Javelin NERFINISHED ⓘ Handley Page Victor (early prototypes) NERFINISHED ⓘ Hawker Hunter NERFINISHED ⓘ Short Sperrin (prototype) NERFINISHED ⓘ |
| usedInConflict | Cold War NERFINISHED ⓘ |
| usedInRole |
fighter-bomber (via Hawker Hunter)
ⓘ
interceptor aircraft (via Gloster Javelin) ⓘ light bomber (via Canberra) ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.