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The was the last biplane fighter used by the Imperial Japanese Army, entering service in 1935. Built by Kawasaki Kōkūki Kōgyō K.K. for the Imperial Japanese Army, it saw combat service in Manchukuo and in North China during the early stages of the Second Sino-Japanese War. Its reporting name given by the Allies was "Perry".

Design and development

thumb|left|Kawasaki Ki-10-II KAI prototypeThe Ki-10 was designed by Japanese aeronautical engineer Takeo Doi, who had succeeded Richard Vogt as chief designer for Kawasaki. The design was in response to a requirement issued by the Imperial Japanese Army for a new fighter, and was the winner of a competition against Nakajima's Ki-11. Although the low-wing monoplane offered by Nakajima was more advanced, the Army preferred the more maneuverable biplane offered by Kawasaki. In order to overcome the speed disadvantage the Kawasaki team used a metal three-blade propeller in the third prototype, while flush-head rivets were used in an attempt to reduce drag.

The Kawasaki design had unequal-span biplane wings, braced by struts, and with upper-wing ailerons. commander of the 28th Pursuit Squadron of the 5th Pursuit Group flying a Curtiss Hawk.

By the time of the Nomonhan Incident (Battles of Khalkhin Gol) in 1939, the Ki-10 had become largely obsolete, and was being superseded by the Nakajima Ki-27.

At the beginning of the Pacific War, the Ki-10 was retired to training and secondary missions, but later returned to front-line service, performing short-range patrol and reconnaissance missions in Japan proper and China in January–February 1942.

Variants

thumb|Kawasaki Ki-10-II KAI prototype

data from Japanese Aircraft of the Pacific War

  • Ki-10 : Prototype for Imperial Japanese Army Air Force (4 built in early 1935).
  • Ki-10-I (Army Fighter Type 95-I): Initial production version (300 built December 1935 - October 1937)
  • Ki-10-II : Prototype of modified Mark I, increased in length (1 built May 1936)
  • Ki-10-II (Army Fighter Type 95–2): Improved production version (280 built June 1937 - December 1938)
  • Ki-10-I KAI : Prototype Ki-10-I with modifications to engine and radiator (1 built October 1936)
  • Ki-10-II KAI : Prototype - Aerodynamic modification of Ki-10-II, now designated Ki-10-I-KAI, with Kawasaki Ha9-IIb engine (2 built November 1937)

Total production: 588 units

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Powerplant

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|eng1 name=Kawasaki Ha9-IIa

|eng1 type=V-12 liquid-cooled piston engine

|eng1 kw=634

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|prop blade number=3

|prop name=fixed-pitch metal propeller

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Performance

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|ceiling m=11500

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|climb rate sigfig=2

|climb rate ms=16.67

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|wing loading kg/m2=75.7

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Armament

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  • 2 × fixed, forward-firing 7.7 mm (.303 in) Type 89 machine guns

See also

References

;Notes

;Bibliography

  • Rickard, J (9 March 2010), Kawasaki Ki-10 'Perry'
  • Kawasaki (Ki-10) Type 95 ‘Perry’ at surfcity.kund.dalnet.se
  • Debut in the Chinese Sky, Fighter “Kawasaki” Ki-10 at j-aircraft.com