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Encyclopedia > Nakajima Homare
Nakajima Homare engine
Nakajima Homare engine

The Nakajima Homare (誉, "praise" or, more usually, "honour") was a Japanese aircraft engine manufactured during World War II. It was an air-cooled radial engine in the 2000-HP class, and was used widely by both the Imperial Japanese Army and the Imperial Japanese Navy. "Homare" was the navy service designation, and their experimental designation for it was NK9; the army called it the Ha-45 (ハ45) or, in service, the 1900hp Type 4. The manufacturer's designation was BA (or NBA). Nakajima Homare engine, on display at the Transportation Museum, Tokyo. ... Nakajima Homare engine, on display at the Transportation Museum, Tokyo. ... Categories: Stub | Japanese aircraft manufacturers | Aircraft engine manufacturers ... World War II was a truly global conflict with many facets: immense human suffering, fierce indoctrination, and the use of new, extremely devastating weapons such as the atom bomb. ... Radial engine of a biplane. ... The Imperial Japanese Army (大日本帝國陸軍 Dai-Nippon Teikoku Rikugun) was the official armed force of Japan from 1867 to 1945. ... Ensign of the Imperial Japanese Navy. ...


Development of the 18 cylinder twin-row Homare started in 1940, and certification was completed in 1941. It succeeded Nakajima's previous 14 cylinder Sakae (Ha-25) engine, with its forward nine cylinders staggered from the rear nine for efficient cooling. 1940 (MCMXL) was a leap year starting on Monday (link will take you to calendar). ... Nakajima Sakae engine on a Mitsubishi Zero The Nakajima Sakae (栄, glory) was a two-row, 14-cylinder air-cooled radial engine used in Japanese aircraft during World War II. It was version of the famous Gnome-Rhône 14K, a license for which had been taken out in 1936. ...


The design was exceptionally compact, with an external diameter of 118 cm, a mere 3 cm larger than the Sakae. With a bore and stroke of 130 mm x 150 mm, it was classified as a short-stroke engine. It was designed to output around 1800 hp (1340 kW), or 100 hp (75 kW)per cylinder. However, the tight design of the engine made it difficult to maintain quality in manufacturing, and unreliability in the field was a significant problem; actual output of early models at altitude was in the range of 1300 hp (970 kW), far below the designed capability. Later models had improved performance, and it became one of the predominant powerplants of Japanese military aircraft in the latter part of the war. A total of 8,747 were produced.


Specifications

  • Type: Air-cooled twin-row 18-cylinder
  • Output: 1,990 hp (1500 kW) at altitude
  • Water-methanol fuel injection
  • Displacement: 35,800 cc
  • Diameter: 1,180 mm
  • Weight: 830 kg


Lists of Aircraft | Aircraft manufacturers | Aircraft engines | Aircraft engine manufacturers This list of aircraft is sorted alphabetically, beginning with the name of the manufacturer (or, in certain cases, designer). ... This is a list of aircraft manufacturers (in alphabetic order). ... List of aircraft engines - Wikipedia /**/ @import /skins-1. ... This is a list of aircraft engine manufacturers both past and present. ...


Airports | Airlines | Air forces | Aircraft weapons | Missiles | Timeline of aviation This is a list of airlines in operation. ... This is a list of Air Forces, sorted alphabetically by country. ... This is a list of aircraft weapons, past and present. ... Below is a list of (links to pages on) missiles, sorted alphabetically by name. ... This is a timeline of aviation history. ...


  Results from FactBites:
 
Nakajima Homare at AllExperts (307 words)
It was an air-cooled radial engine in the 2000-HP class, and was used widely by both the Imperial Japanese Army and the Imperial Japanese Navy.
"Homare" was the navy service designation, and their experimental designation for it was NK9; the army called it the Ha-45 (ハ45) or, in service, the 1900hp Type 4.
It succeeded Nakajima's previous 14 cylinder Sakae (Ha-25) engine, with its forward nine cylinders staggered from the rear nine for efficient cooling.
Nakajima C6N: Information from Answers.com (547 words)
The Nakajima C6N Saiun (彩雲, "Glowing Cloud") was a carrier-based reconnaissance aircraft used by the Imperial Japanese Navy in World War II.
Nakajima's initial proposal, designated N-50, was for a craft with two 1,000 hp engines housed in tandem in the fuselage, driving two propellers mounted on the wings.
With the development of the 2,000 hp class Nakajima Homare engine, though, this configuration was abandoned and Nakajima decided on a more conventional single-engine layout.
  More results at FactBites »

 
 

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