The Wright R-790 Whirlwind was a series of nine-cylinder air-cooled radial aircraft engines of about 790 cubic inches (12.9 litres) and around 200 horsepower, the earliest members of the Wright Whirlwind family. It began as the Lawrance J-1, built in 1921 for the United States Navy, which pressed Wright to buy the Lawrance company in 1923 so that the engine could be produced in quantity. The J-4 was the first to carry the Whirlwind name, and the J-5 of 1925, a complete redesign with much better cooling and breathing, was later designated R-790 by the government. The J-5C Whirlwind carried Charles Lindbergh across the Atlantic in the Spirit of St. Louis in May 1927, running for 33.5 hours without a stop. In 1928 the nine-cylinder family gave way to the larger-bored J-6 series.
Facts
Cylinder Count Classification
Configuration Connections
Exemplifies
Source Wright R-790 Whirlwind (Wikipedia)
Of Make
Source Wright R-790 Whirlwind (Wikipedia)
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Source Wright R-790 Whirlwind (Wikipedia)Lead, builderQuote, Lead, builder
The Wright R-790 Whirlwind was a series of nine-cylinder air-cooled radial aircraft engines built by Wright Aeronautical Corporation
Sources
1. Wright R-790 Whirlwind (Wikipedia)
Design and development
The J-5 Whirlwind, introduced in 1925, was a complete redesign of the engine with greatly improved cooling and breathing
Lead, cylinders
The Wright R-790 Whirlwind was a series of nine-cylinder air-cooled radial aircraft engines built by Wright Aeronautical Corporation
Lead, builder
The Wright R-790 Whirlwind was a series of nine-cylinder air-cooled radial aircraft engines built by Wright Aeronautical Corporation
In Group: Piston Aero Engines, Lead, piston aero engine
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.
Exemplifies: Aviation, Lead, aircraft engine
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.
Of Make: Wright Aeronautical, Lead, make
The Wright R-790 Whirlwind was a series of nine-cylinder air-cooled radial aircraft engines built by Wright Aeronautical Corporation
Part Of: Ryan NYP Spirit of St. Louis, Operational history, applications
Charles Lindbergh's solo transatlantic flight from New York City to Paris on May 20-21, 1927, in the Spirit of St. Louis, powered by a single Whirlwind J-5C.
Part Of: Fokker Trimotor, Operational history, applications
and a wide range of U.S. civil aircraft, including the earliest versions of the Fokker Trimotor and Ford Trimotor airliners.
Part Of: Ford Trimotor, Operational history, applications
and a wide range of U.S. civil aircraft, including the earliest versions of the Fokker Trimotor and Ford Trimotor airliners.
View the Source2. Smithsonian National Air and Space Museum collection: Wright Whirlwind R-790-A (J-5) Radial 9 Engine
Smithsonian National Air and Space Museum collectionPhysical Description, cylindersQuote, Physical Description, cylinders
Type: Reciprocating, 9 cylinders, radial, air-cooled
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