Curtiss D-12
V12 aircraft engine
From Wikipedia, the free encyclopedia
The Curtiss D-12, sometimes identified with the military designation Curtiss V-1150, was an aircraft engine of 18.8 liter displacement. It was a water-cooled V12, producing 443 hp (330 kW) and weighing 693 lb (314 kg). It was designed by Arthur Nutt in 1921 and used in the Curtiss CR-3 for the 1923 Schneider Trophy race. Fairey Aviation of England imported 50 Curtiss-built examples in 1926, renaming them the Fairey Felix.[1][2]
| D-12/Felix | |
|---|---|
| Preserved D-12 engine | |
| Type | V12 piston engine |
| Manufacturer | Curtiss Aeroplane and Motor Company |
| First run | 1923 |
The D-12 was one of the first truly successful aluminum cast-block engines and was extremely influential in the interwar period. Numerous engines trace their design to the D-12, among them the Packard 1A-1500, Rolls-Royce Kestrel and Junkers Jumo 210.
Applications
Specifications (Curtiss D-12/Felix)
Data from Lumsden.[3]
General characteristics
- Type: Liquid-cooled 60-degree V12
- Bore: 4.5 in (114.3 mm)
- Stroke: 6.0 in (152.4 mm)
- Displacement: 1,145 cu in (18.8 L)
- Length: 56.75 in (1441 mm)
- Width: 28.25 in (717.5 mm)
- Height: 34.75 in (882.6 mm)
- Dry weight: 693 lb (314 kg)
Components
- Cooling system: Liquid-cooled
Performance
- Power output: 443 hp (330 kW) at 2,200 rpm
- Compression ratio: 6:1
