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The Nakajima Ki-12 (中島 キ12, Ki-jyuni) was a private development Nakajima Aircraft Company after its failure to meet the 1935 requirement issued by the Japanese government for a modern single-seat monoplane fighter with the Ki-11 design.

Ki-12
Role prototype fighter aircraft
Manufacturer Nakajima Aircraft Company
First flight 1936
Primary user IJA Air Force

Design & Development


Design work on the Ki-12 was a collaboration between engineers Roger Robert and Jean Beziaud from the French Dewoitine firm and Shigenobu Mori, a Nakajima engineer, and was heavily influenced by the Dewoitine D.510 design.[1][2] Nakajima wanted the new design to be the most technically advanced in Japan.[2] Based on the Ki-11 airframe, the engine was replaced by a liquid-cooled 454 kW (610 hp) Hispano-Suiza 12Xcrs V engine. The landing gear were fully retractable (the first Japanese design to have this feature),[2] and the design introduced the use of slotted flaps. Proposed armament consisted of a 20 mm cannon firing from between the engine cylinders and twin 7.7 mm (.303 in) machine guns.

The Ki-12 was tested against the Mitsubishi Ki-18. Although technically advanced and with advantages in speed, range and firepower over the other contemporary Japanese fighter designs, the Ki-12 was deemed too heavy and complex by the Imperial Japanese Army Air Force. The IJAAF also felt that the design was lacking in maneuverability, and would not want to rely on the manufacturing licence for the Hispano-Suiza engine.[2]

Although the Army declined to pursue the project, Nakajima continued to refine the design, introducing a simpler version styled the Nakajima Type P.E., which evolved into the successful Ki-27 "Nate" several years later.


Variants




Specifications (Ki-12)


Data from Famous Airplanes of the World, first series, #76: Army Experimental Fighters (1)[3]

General characteristics

Performance

Armament


See also


Aircraft of comparable role, configuration, and era

Related lists


References


Notes
  1. Wieliczko & Szeremeta 2004, pp. 13–14.
  2. Mikesh & Abe 1990, p. 220.
  3. FAOW 1976, p. 2.
Bibliography



На других языках


- [en] Nakajima Ki-12

[it] Nakajima Ki-12

Il Nakajima Ki-12 (中島 キ12 Ki-jyuni?) fu un caccia monomotore ad ala bassa sviluppato su iniziativa privata dall'azienda giapponese Nakajima Hikōki KK verso la metà degli anni trenta e rimasto allo stadio di prototipo.[2]



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