| R-790 Whirlwind | |
|---|---|
| |
| Wright R-790 (J-5 Whirlwind) at National Air and Space Museum | |
| Type | Air-cooled 9-cylinder radial piston engine |
| National origin | United States |
| Manufacturer | Wright Aeronautical Corporation Škoda Works (Czechoslovakia) Avia (Poland) |
| First run | 1923 |
| Major applications | Spirit of St. Louis Fokker Trimotor Ford Trimotor |
The Wright R-790 Whirlwind was a series of nine-cylinder air-cooled radial aircraft engines built by Wright Aeronautical Corporation, with a total displacement of about 790 cubic inches (12.9 L) and around 200 horsepower (150 kW). These engines were the earliest members of the Wright Whirlwind engine family.