Walter Gemma
1930s Czech piston aircraft engine
From Wikipedia, the free encyclopedia
The Walter Gemma was a Czechoslovak nine-cylinder, air-cooled, radial aero engine that was developed and manufactured in the early 1930s by Walter Aircraft Engines.
| Gemma | |
|---|---|
| Walter Gemma on display at the Finnish Aviation Museum | |
| Type | Radial aero engine |
| National origin | Czechoslovakia |
| Manufacturer | Walter Aircraft Engines |
| First run | c. 1934 |
Applications
Engines on display
A preserved example of the Walter Gemma engine is on display at the following museum:
Specifications
General characteristics
- Type: 9-cylinder radial piston engine
- Bore: 105 mm (4.1 in)
- Stroke: 120 mm (4.7 in)
- Displacement: 9.35 L (571 cu in)
Components
- Valvetrain: One intake and one exhaust valve per cylinder
- Fuel system: Zenith carburettor
- Fuel type: Petrol
- Cooling system: Air-cooled
Performance
- Power output: 123 kW (165 hp)
