The Gem features a 3-shaft configuration with a 4-stage low pressure (LP) compressor, driven by a single-stage low pressure (LP) gas generator turbine, an HP centrifugal compressor driven by a single-stage HP gas generator turbine, and a 2-stage power turbine driving the output shaft which passes to the front of the engine. The combustor is reverse flow annular and drive is either through a reduction gearbox or direct. The Gem 1004 features a digital electronic fuel control system.
| Rolls-Royce Holdings plc | |
|---|---|
| Product Category | Combustion Engines |
| Product Name | GEM Engine |
| Fuel Type | Jet Fuel |
| Engine Type | Internal Combustion |
| Application | Avaition |