Rolls-Royce Gem
E574781
The Rolls-Royce Gem is a turboshaft engine primarily used to power light helicopters, notably the Westland Lynx.
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf | turboshaft engine ⓘ |
| applicationRole |
attack helicopter
ⓘ
light helicopter ⓘ naval helicopter ⓘ |
| category |
1960s turboprop and turboshaft engines
ⓘ
Rolls-Royce aircraft engines NERFINISHED ⓘ helicopter turboshaft engines ⓘ |
| compressorStages |
single-stage centrifugal compressor
ⓘ
three-stage axial compressor ⓘ |
| compressorType | axial-centrifugal ⓘ |
| configuration | three-shaft ⓘ |
| controlSystem | hydro-mechanical fuel control ⓘ |
| cooling | air-cooled turbine blades ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| designGoal |
compact installation for naval helicopters
ⓘ
provide high performance for Westland Lynx ⓘ |
| developmentStart | 1960s ⓘ |
| enteredService | 1970s ⓘ |
| enteredServiceOn | Westland Lynx NERFINISHED ⓘ |
| feature |
free power turbine
ⓘ
reverse-flow combustor ⓘ |
| firstRun | 1969 ⓘ |
| fuelType | aviation kerosene ⓘ |
| ignitionSystem | dual ignition ⓘ |
| manufacturer |
Rolls-Royce Turbomeca Limited
NERFINISHED
ⓘ
Rolls-Royce plc NERFINISHED ⓘ Turbomeca NERFINISHED ⓘ |
| market | military helicopter market ⓘ |
| notableFeature |
compact design for light helicopters
ⓘ
high power-to-weight ratio ⓘ |
| notableOperator |
British Army Air Corps
NERFINISHED
ⓘ
Royal Navy NERFINISHED ⓘ |
| powerOutput |
approximately 1000 shp
ⓘ
approximately 900 shp ⓘ |
| primaryUse | helicopter propulsion ⓘ |
| shaftArrangement | coaxial shafts ⓘ |
| status | in service ⓘ |
| turbineStages |
two-stage gas generator turbine
ⓘ
two-stage power turbine ⓘ |
| usedFor |
anti-submarine warfare helicopters
ⓘ
attack helicopter prototypes ⓘ battlefield utility helicopters ⓘ |
| usedOnAircraft |
Agusta A129 Mangusta
NERFINISHED
ⓘ
Westland Lynx NERFINISHED ⓘ Westland WG.13 Lynx prototype NERFINISHED ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.