Mitsubishi Zuisei: Difference between revisions
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The Zuisei was the second engine design produced by Mitsubishi. 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. |
The Zuisei was the second engine design produced by Mitsubishi. 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. |
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Mitsubishi named its engines with a short two syllable name that references objects found in the sky. The sequence started with this engine, "Holy star", and was followed in order by "Venus" |
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Revision as of 03:44, 27 July 2011
| Zuisei | |
|---|---|
| Typ | 14-cylinder, air-cooled, supercharged, two-row radial piston engine |
| Manufacturer | Mitsubishi |
| First run | 1931 |
The Mitsubishi Zuisei (瑞星, Holy Star) was a 14-cylinder, air-cooled two row radial engine and used in a variety of World War II Japanese aircraft, most notably, the first version of the Mitsubishi A6M Zero. Mitsubishi's internal design number was MK2, followed by the revision code letter, with MK2A being the first version of the 2nd engine design series.
Design and development
The Zuisei was the second engine design produced by Mitsubishi. 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.
Mitsubishi named its engines with a short two syllable name that references objects found in the sky. The sequence started with this engine, "Holy star", and was followed in order by "Venus"
Variants
- MK2A Zuisei 11 Ha-26-I
- 650 kW (870 hp) at takeoff, 634 kW (850 hp) at 2300 m (7500 ft). Unified system designation [Ha-31] 11
- MK2B Zuisei 12
- 780hp at take-off, 875hp at 11,810 ft. Navy version of the Ha-26-I. Unified system designation [Ha-31] 12
- MK2C Zuisei 13
- 840 hp (626 kW) Unified system designation [Ha-31] 13
- MK2D Zuisei 21
- 1050 hp Unified system designation [Ha-31] 21
Applications
Specifications (MK2A Zuisie 11)
Data from Mikesh
General characteristics
- Type: 14-cylinder, air-cooled, supercharged, two-row radial piston engine
- Bore: 140 mm (5.5 in)
- Stroke: 150 mm (5.9 in)
- Displacement: 32.3 L (1,970 in³)
Components
- Valvetrain: pushrod operated, overhead valve
- Supercharger: centrifugal
- Cooling system: air cooled
References
Notes
Bibliography
- Mikesh, Robert C.; Shorzoe, Abe (1990), Japanese Aircraft, 1910-1941, Annapolis, MD: Naval Institute Press, ISBN 1557505632
{{citation}}: Unknown parameter|lastauthoramp=ignored (|name-list-style=suggested) (help) - Francillon, R.J. (1970), Japanese Aircraft of the Pacific War, London: Putnam, ISBN 0-370-00033-1
External links