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Japanese Aircraft Engine Identification Systems
Japanese aero-engines for military aircraft were given a wide variety of designations depending on the customer. This led to much confusion, particularly among the Allied forces, where a single engine type could have up to six different designations. This situation emerged because of the almost total lack of co-operation in weapons procurement between the IJAAS (大日本帝國陸軍航空隊 - Dai-Nippon Teikoku Rikugun Kokutai - Imperial Japanese Army Air Service) and the IJNAS (大日本帝國海軍航空隊 - Dai-Nippon Teikoku Kaigun Koukuu-tai - Imperial Japanese Navy Air Service). Engines could have designations in any or all of these designation systems: ;Army Hatsudoki experimental designation: (''Kawasaki Ha40'') ;Army long designation: (e.g. ''Army Type 99 900hp Air Cooled Radial'') ;Navy experimental designation: (''Nakajima NK9B'') ;Navy Name designation: ( ''Nakajima Homare 11'') ;Manufacturers designation: (''Nakajima NBA'') ;Unified system introduced by the Ministry ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
IJAAS
The Imperial Japanese Army Air Service (IJAAS) or Imperial Japanese Army Air Force (IJAAF; ja, 大日本帝國陸軍航空部隊, Dainippon Teikoku Rikugun Kōkūbutai, lit=Greater Japan Empire Army Air Corps) was the Military aviation, aviation force of the Imperial Japanese Army (IJA). Just as the IJA in general was modeled mainly on the German Army (1935–1945), German Army, the IJAAS initially developed along similar lines to the Luftstreitkräfte, Imperial German Army Aviation; its primary mission was to provide tactical close air support for ground forces, as well as a limited air interdiction capability. The IJAAS also provided aerial reconnaissance to other branches of the IJA. While the IJAAS engaged in Strategic bombing during World War II, strategic bombing of cities such as Shanghai, Battle of Nanking#Aerial bombardment of Nanking, Nanking, Guangzhou, Canton, Bombing of Chongqing, Chongqing, Bombing of Rangoon in World War II, Rangoon, and Bombing of Mandalay (1942) ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Army Type 97 650hp Air-cooled Radial
The Nakajima Ha1 Kotobuki (寿, "Longevity") was an aero-engine developed by Nakajima. It was a radial piston developed under licence from the Bristol Jupiter. Design and development In 1917, Chikuhei Nakajima set up the "Airplane Institute" at Ojima Town in Gunma Prefecture. In 1918 they built their first airplane; the "Nakajima Type 1" with a U.S.A. made engine.Engine development at Nakajima 1923 - 1945 In 1920 the company sent Kimihei Nakajima to France to study European advances, and in 1922 started their own engine factory in Tokyo. This led to production of engines based on the Lawrance A-3 two-cylinder air-cooled horizontally opposed engine. At the time the Lawrence was an oddity. Most air-cooled engines at that time were rotary engines using cylinders that rotated together with the propeller, but Kimihei overheard that an engine with good cooling capability with fixed cylinders was being developed in England. He observed the English Gloster Gamecock fighter with its ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nakajima Ha8 , a Super Formula and Super GT car racing team
{{disambiguation, geo ...
is a Japanese name. It is also sometimes romanized as Nakashima and sometimes written as . It may refer to: Places * Nakashima District, Aichi, former district in Japan, now part of Inazawa, Aichi. * Nakajima, Ehime, former town in Japan * Nakajima, Fukushima, a village in Japan * Nakajima, Ishikawa, former town in Japan Other uses * Nakajima (surname), a Japanese surname * Nakajima Aircraft Company, a prominent Japanese aircraft manufacturer throughout World War II * Nakajima USA, a plush toy company * Nakajima Racing Nakajima Planning Co.,Ltd, racing as Nakajima Racing, is a Super Formula and Super GT team organized and founded by Satoru Nakajima in 1983. The team has fielded four championship winners in the Formula Nippon racing series: Tom Coronel, Toranosuk ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mitsubishi A6(7)
The was a two-row, 14-cylinder air-cooled radial engine built by the Mitsubishi Aircraft Company for the Imperial Japanese Army Air Service (IJAAS) and the Imperial Japanese Navy Air Service (IJNAS) in the early 1930s. Like many aircraft engines in Japan, there were multiple designations for this engine. The company model designation was A6(7) while it was an experimental engine project. Once accepted, it was known as the "Shinten" or MK1 by the IJNAS, and Ha6 by the IJAAS.Francillon, René J. Japanese Aircraft of the Pacific War. p. 515 Design and development The Mitsubishi Shinten was a development of the early Mitsubishi Kinsei (A4) engine. The stroke of the Kinsei was increased from to on the Shinten model 11 and to on the Shinten model 21 and 21Kai designs. Lengthening the stroke increased the displacement from the Kinsei's to for the Shinten model 11. The increased displacement raised the horsepower from to at take-off power. Initially the Ha6 was to be installe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mitsubishi Shinten
The was a two-row, 14-cylinder air-cooled radial engine built by the Mitsubishi Aircraft Company for the Imperial Japanese Army Air Service (IJAAS) and the Imperial Japanese Navy Air Service (IJNAS) in the early 1930s. Like many aircraft engines in Japan, there were multiple designations for this engine. The company model designation was A6(7) while it was an experimental engine project. Once accepted, it was known as the "Shinten" or MK1 by the IJNAS, and Ha6 by the IJAAS.Francillon, René J. Japanese Aircraft of the Pacific War. p. 515 Design and development The Mitsubishi Shinten was a development of the early Mitsubishi Kinsei (A4) engine. The stroke of the Kinsei was increased from to on the Shinten model 11 and to on the Shinten model 21 and 21Kai designs. Lengthening the stroke increased the displacement from the Kinsei's to for the Shinten model 11. The increased displacement raised the horsepower from to at take-off power. Initially the Ha6 was to be instal ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mitsubishi MK1
The was a two-row, 14-cylinder air-cooled radial engine built by the Mitsubishi Aircraft Company for the Imperial Japanese Army Air Service (IJAAS) and the Imperial Japanese Navy Air Service (IJNAS) in the early 1930s. Like many aircraft engines in Japan, there were multiple designations for this engine. The company model designation was A6(7) while it was an experimental engine project. Once accepted, it was known as the "Shinten" or MK1 by the IJNAS, and Ha6 by the IJAAS.Francillon, René J. Japanese Aircraft of the Pacific War. p. 515 Design and development The Mitsubishi Shinten was a development of the early Mitsubishi Kinsei (A4) engine. The stroke of the Kinsei was increased from to on the Shinten model 11 and to on the Shinten model 21 and 21Kai designs. Lengthening the stroke increased the displacement from the Kinsei's to for the Shinten model 11. The increased displacement raised the horsepower from to at take-off power. Initially the Ha6 was to be installe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mitsubishi Ha6
The was a two-row, 14-cylinder air-cooled radial engine built by the Mitsubishi Aircraft Company for the Imperial Japanese Army Air Service (IJAAS) and the Imperial Japanese Navy Air Service (IJNAS) in the early 1930s. Like many aircraft engines in Japan, there were multiple designations for this engine. The company model designation was A6(7) while it was an experimental engine project. Once accepted, it was known as the "Shinten" or MK1 by the IJNAS, and Ha6 by the IJAAS.Francillon, René J. Japanese Aircraft of the Pacific War. p. 515 Design and development The Mitsubishi Shinten was a development of the early Mitsubishi Kinsei (A4) engine. The stroke of the Kinsei was increased from to on the Shinten model 11 and to on the Shinten model 21 and 21Kai designs. Lengthening the stroke increased the displacement from the Kinsei's to for the Shinten model 11. The increased displacement raised the horsepower from to at take-off power. Initially the Ha6 was to be instal ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Army Type 97 825hp Air Cooled Radial
The Nakajima Ha5 is a twin row, 14 cylinder air-cooled radial aircraft engine built by the Japanese Nakajima Aircraft Company. The engine was a development of earlier single-row Japanese engines, the Kotobuki and Hikari, which had combined features of the Bristol Jupiter and Pratt & Whitney R-1340 Wasp designs. First introduced in a 1,000 PS prototype in 1933, about 7,000 civilian and 5,500 military Ha-5's were built during World War II. The Ha-5 had separate cam-discs for the front and rear rows of cylinders like American designs, rather than using a single, front-mounted cam-disc with long and short pushrods to operate both rows of cylinder valves. The Ha-5 was a twin-row development of the Nakajima Hikari, which was itself a development of the Nakajima Kotobuki. It spawned several improved variants, namely the Ha-41, with a single stage supercharger, and the Ha-109, which featured a two-speed, single stage supercharger. The later Ha-219 was based on the same cylinde ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nakajima Ha5
The Nakajima Ha5 is a twin row, 14 cylinder air-cooled radial aircraft engine built by the Japanese Nakajima Aircraft Company. The engine was a development of earlier single-row Japanese engines, the Kotobuki and Hikari, which had combined features of the Bristol Jupiter and Pratt & Whitney R-1340 Wasp designs. First introduced in a 1,000 PS prototype in 1933, about 7,000 civilian and 5,500 military Ha-5's were built during World War II. The Ha-5 had separate cam-discs for the front and rear rows of cylinders like American designs, rather than using a single, front-mounted cam-disc with long and short pushrods to operate both rows of cylinder valves. The Ha-5 was a twin-row development of the Nakajima Hikari, which was itself a development of the Nakajima Kotobuki. It spawned several improved variants, namely the Ha-41, with a single stage supercharger, and the Ha-109, which featured a two-speed, single stage supercharger. The later Ha-219 was based on the same cyl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Army Type 93 700hp Water Cooled In-line
An army (from Old French ''armee'', itself derived from the Latin verb ''armāre'', meaning "to arm", and related to the Latin noun ''arma'', meaning "arms" or "weapons"), ground force or land force is a fighting force that fights primarily on land. In the broadest sense, it is the land-based military branch, service branch or armed service of a nation or country. It may also include aviation assets by possessing an army aviation component. Within a national military force, the word army may also mean a field army. In some countries, such as France and China, the term "army", especially in its plural form "armies", has the broader meaning of armed forces as a whole, while retaining the colloquial sense of land forces. To differentiate the colloquial army from the formal concept of military force, the term is qualified, for example in France the land force is called ''Armée de terre'', meaning Land Army, and the air and space force is called ''Armée de l'Air et de l’Espace' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mitsubishi Ha2
The is a group of autonomous Japanese multinational companies in a variety of industries. Founded by Yatarō Iwasaki in 1870, the Mitsubishi Group historically descended from the Mitsubishi zaibatsu, a unified company which existed from 1870 to 1946. The company was disbanded during the occupation of Japan following World War II. The former constituents of the company continue to share the Mitsubishi brand and trademark. Although the group of companies participate in limited business cooperation, most famously through monthly "Friday Conference" executive meetings, they are formally independent and are not under common control. The four main companies in the group are MUFG Bank (the largest bank in Japan), Mitsubishi Corporation (a general trading company), Mitsubishi Electric and Mitsubishi Heavy Industries (both diversified manufacturing companies). History The Mitsubishi company was established as a shipping firm by Iwasaki Yatarō (1834–1885) in 1870 under the name . ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mitsubishi
The is a group of autonomous Japanese multinational companies in a variety of industries. Founded by Yatarō Iwasaki in 1870, the Mitsubishi Group historically descended from the Mitsubishi zaibatsu, a unified company which existed from 1870 to 1946. The company was disbanded during the occupation of Japan following World War II. The former constituents of the company continue to share the Mitsubishi brand and trademark. Although the group of companies participate in limited business cooperation, most famously through monthly "Friday Conference" executive meetings, they are formally independent and are not under common control. The four main companies in the group are MUFG Bank (the largest bank in Japan), Mitsubishi Corporation (a general trading company), Mitsubishi Electric and Mitsubishi Heavy Industries (both diversified manufacturing companies). History The Mitsubishi company was established as a shipping firm by Iwasaki Yatarō (1834–1885) in 1870 under the na ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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