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Mitsubishi Zuisei

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Zuisei
Type

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This page is a soft redirect. 14-cylinder, air-cooled, supercharged, two-row radial piston engine #REDIRECTmw:Help:Magic words#Other
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Manufacturer

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This page is a soft redirect. Mitsubishi #REDIRECTmw:Help:Magic words#Other
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First run

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This page is a soft redirect. 1931 #REDIRECTmw:Help:Magic words#Other
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Major applications

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This page is a soft redirect. E7K2, Ki-45, F1M, C5M1, Ki 46 I, II, Ki 51 #REDIRECTmw:Help:Magic words#Other
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Number built

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This page is a soft redirect. 11,903 #REDIRECTmw:Help:Magic words#Other
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Developed from

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This page is a soft redirect. Mitsubishi Kinsei #REDIRECTmw:Help:Magic words#Other
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The Mitsubishi Zuisei (瑞星 Holy Star?) was a 14-cylinder, supercharged, air-cooled, two-row radial engine used in a variety of early World War II Japanese aircraft. It was one of the smallest 14-cyl. engines in the world and the smallest diameter Japanese engine. The Mitsubishi model designation for this engine was A14 while it was an experimental project, in service it was known as the MK2, followed by the revision code letter, and known as the Ha-26 & Ha-102 by the Army and "Zuisei" by the Navy. Unified designation code was [Ha-31].[1]

Design and development

The MK2A Zuisei engine was a 14-cylinder, supercharged, air-cooled two-row radial engine with a 140 mm (5.5 in) bore and 130 mm (5.12 in) stroke for a displacement of 28L (1,710ci) and a nominal power rating of 805 kW (1080 hp) for takeoff and 787 kW (1055 hp) at 2800 meters (9185 feet).[1]

Mitsubishi used the standard designation system to identify this engine while it was under development. The MK2 designation starts with the Manufacturer's assigned identification letter, in this case, "M" for Mitsubishi, followed by a letter that identifies the engine arrangement, in this case "K" for air-cooled, and then the sequentially assigned design number, in this case "2" for the second design. Revisions to the engine are identified by the letter following the preceding designation, with letter "A" being the original, or first, version.[2]

Mitsubishi also had a custom to name its engines with a short two syllable name that references objects found in the sky. The naming sequence started with this engine, the MK2 Zuisei "Holy star", and was followed in order by the MK4 Kinsei "Venus" and the MK8 Kasei "Mars".[3]

Variants

MK2A Zuisei 11
Script error: No such module "convert"., 2540 rpm at takeoff,
Script error: No such module "convert"., 2450 rpm at Script error: No such module "convert".
MK2B Zuisei 12
Script error: No such module "convert"., 2540 rpm at take-off,
Script error: No such module "convert". 2540 rpm at Script error: No such module "convert".
MK2C Zuisei 13
Script error: No such module "convert"., 2700 rpm at take-off,
Script error: No such module "convert". 2600 rpm at Script error: No such module "convert".
MK2C Zuisei 14 Ha-26-I
Script error: No such module "convert"., 2650 rpm at take-off,
Script error: No such module "convert". 2650 rpm at Script error: No such module "convert".
MK2C Zuisei 15 Ha-26-II
Script error: No such module "convert"., 2650 rpm at take-off,
Script error: No such module "convert". 2650 rpm at Script error: No such module "convert".
MK2D Zuisei 21 Ha-102
Script error: No such module "convert"., 2700 rpm at take-off,
Script error: No such module "convert". 2700 rpm at Script error: No such module "convert".,
Script error: No such module "convert". 2700 rpm at Script error: No such module "convert".

Applications

Specifications (MK2A Zuisei 11)

Data from[citation needed]

General characteristics

  • Type: 14-cylinder, air-cooled, supercharged, two-row radial piston engine
  • Bore: Script error: No such module "convert".
  • Stroke: Script error: No such module "convert".
  • Displacement: 28.0 L (1,710 in³)
  • Diameter: Script error: No such module "convert".
  • Dry weight: Script error: No such module "convert".

Components

Performance


References

The NASM owns two Zuisei engines from the Ki-45 and an early Ki-46. They are stored and unrestored.

Notes

  1. ^ a b c Francillon p 376
  2. ^ Francillon p 515
  3. ^ Francillon p 516
  4. ^ Francillon p 300
  5. ^ Francillon p 362
  6. ^ Francillon p 425
  7. ^ Francillon p 100
  8. ^ Francillon p 100
  9. ^ Francillon p 184
  10. ^ Francillon p 485

Bibliography

  • Matsuoka Hisamitsu, Nakanishi Masayoshi. The History of Mitsubishi Aero Engines 1915-1945. Miki Press, Japan, 2005. ISBN 4-89522-461-9
  • Francillon, R.J. (1970), Japanese Aircraft of the Pacific War, London: Putnam, ISBN 0-370-00033-1 

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External links

http://www.enginehistory.org/Japanese/nasm_research_2.shtml