Wright R-790 Whirlwind

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.


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