Английская Википедия:Hitachi Jimpu

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The Gasuden Jimpu or Kamikaze (later produced by Hitachi) was a Japanese seven-cylinder air-cooled radial aircraft engine from the 1920s, 1930s and 1940s. It was the first aircraft engine produced by Шаблон:Nihongo, often abbreviated to Gasuden, and the first production engine produced in Japan. It was produced in large numbers to power training and light aircraft before and during the Pacific War.

Design and development

The early development of aircraft in Japan was fully dependent on engines from abroad, although many of these designs were license built by Japanese companies. Gasuden was no exception, building Le Rhone rotaries in the early 1920s.Шаблон:Sfn However, by 1926, the company had gained enough experience to develop its own first engine. Taking inspiration from the Armstrong Siddeley Mongoose, the company developed a seven-cylinder star-shaped radial made of alloy and using an integral impellor-based carburettor.Шаблон:Sfn The prototype was first run in 1927 and was the first indigenous design to achieve production in Japan.Шаблон:Sfn

The resulting engine was a single row radial with seven cylinders of bore Шаблон:Convert and stroke Шаблон:Convert.Шаблон:Sfn Running on 80 Octane fuel, the engine was rated at sea level at Шаблон:Convert.Шаблон:Sfn The engine had no compressor, although some later models were fitted with a single speed mechanical supercharger to boost performance.Шаблон:Sfn

Initially, the engine was first known as the Шаблон:Nihongo, but was later better known as the Шаблон:Nihongo as the range of engines produced by the company increased. Production ran from 1928 to 1944. Шаблон:Sfn Large numbers were delivered, primarily for training and other light aircraft. Amongst the more numerous were the Yokosuka K2Y2 Type 3, a derivative of the Avro 504N which was produced from 1929 to 1940, and the Yokosuka K4Y1 seaplane produced between 1933 and 1940, mainly by Watanabe.Шаблон:SfnШаблон:Sfn In May 1939, Hitachi acquired Tokyo Gas and Electric Company, merging the aeronautical part of the business with Hitachi Aircraft.Шаблон:Sfn The engine was rebranded Hitachi. Production totalled between 8,300 and 12,500 units.Шаблон:Sfn

Variants

Jimpu 2
Шаблон:CvtШаблон:Sfn
Jimpu 3
Шаблон:CvtШаблон:Sfn
Jimpu 6
Шаблон:CvtШаблон:Sfn
Jimpu Kai
Шаблон:Cvt

The Jimpu 5 or Hitachi Tempu was a 9-cylinder derivative that produced between Шаблон:Convert.Шаблон:SfnШаблон:Sfn The Tempu became an important engine for the company, taking 53% of production in July 1944.Шаблон:Sfn

Applications

Specifications

Шаблон:Pistonspecs

See also

Шаблон:Aircontent

References

Citations

Шаблон:Reflist

Bibliography

Шаблон:Hitachi aeroengines

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