Oberursel U.I
1910s German piston aircraft engine
From Wikipedia, the free encyclopedia
The Oberursel U.I was an early German aircraft engine that powered many German fighter aircraft in the first part of World War I. It was a 9-cylinder air-cooled rotary engine, a licence-built copy of the Gnome Delta[1] that Oberursel was producing under licence before the war. It produced 75 kW (100 hp).
| U.I | |
|---|---|
| Type | 9-cyl Rotary piston engine |
| National origin | Germany |
| Manufacturer | Motorenfabrik Oberursel |
| Developed from | Gnome Delta |
Applications
Specifications
General characteristics
- Type: 9-cylinder counter rotary engine
- Bore: 124 mm (4.9 in)
- Stroke: 150 mm (5.9 in)
- Displacement: 16.3 L (990 cu in)
- Length: 45 in (1,150 mm)
- Diameter: 40 in (1,020 mm)
- Dry weight: 139.7 kg (308 lb)
Performance
- Power output: 73.6 kW (98.7 hp) até 1.200 rpm
- Compression ratio: 3.7:1