The Curtiss D-12, sometimes identified with the military designation Curtiss V-1150, was an

aircraft engine An aircraft engine, often referred to as an aero engine, is the power component of an aircraft propulsion system. Most aircraft engines are either piston engines or gas turbines, although a few have been rocket powered and in recent years ma ...

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 Curtiss Aeroplane and Motor Company (1909 – 1929) was an American aircraft manufacturer originally founded by Glenn Hammond Curtiss and Augustus Moore Herring in Hammondsport, New York. After significant commercial success in its first decade ...

for the 1923 Schneider Trophy race.

Fairey Aviation The Fairey Aviation Company Limited was a British aircraft manufacturer of the first half of the 20th century based in Hayes in Middlesex and Heaton Chapel and RAF Ringway in Cheshire. Notable for the design of a number of important military a ...

of England imported 50 Curtiss-built examples in 1926, renaming them the Fairey Felix. The D-12 was one of the first truly successful

aluminum Aluminium (aluminum in American and Canadian English) is a chemical element with the symbol Al and atomic number 13. Aluminium has a density lower than those of other common metals, at approximately one third that of steel. It ha ...

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 The Kestrel or type F is a 21 litre (1,300 in³) 700 horsepower (520 kW) class V-12 aircraft engine from Rolls-Royce, their first cast-block engine and the pattern for most of their future piston-engine designs. Used during the interwar ...

and

Junkers Jumo 210 The Jumo 210 was Junkers Motoren's first production inverted V12 gasoline aircraft engine, first produced in the early 1930s. Depending on the version it produced between 610 and 730 PS and can be considered a counterpart of the Rolls-Royce Ke ...

Applications

D-12

* Boeing Model 15 * Curtiss CR * Curtiss Falcon * Curtiss P-5 * Curtiss PW-8 * Curtiss R2C *

Fokker D.XII The Fokker D.XII was a Dutch single seat, single engine fighter aircraft designed to an American specification which called for the use of a Curtiss D-12 engine, designated PW-7. Despite considerable efforts to improve the airframe, Fokker faile ...

Macchi M.33 The Macchi M.33 was an Italian racing flying boat which competed in the 1925 Schneider Trophy race. Design and development The Macchi M.33 was a single-seat, wooden, shoulder-wing monoplane flying boat of very clean aerodynamic design for its ti ...

* Wittman D-12 Bonzo

Felix

* Fairey Firefly I *

Fairey Fox The Fairey Fox was a British light bomber and fighter biplane of the 1920s and 1930s. It was originally produced in Britain for the RAF, but continued in production and use in Belgium long after it was retired in Britain. Development and des ...

Specifications (Curtiss D-12/Felix)

References

Notes

Bibliography

* Lumsden, Alec. ''British Piston Engines and their Aircraft''. Marlborough, Wiltshire: Airlife Publishing, 2003. .

External links

Great Aircraft Engines - Curtiss D-12

a 1922 ''Flight'' article on the CD-12 {{USAF piston engines D-12 1920s aircraft piston engines