Kawasaki Ki-28

The Kawasaki Ki-28 was a monoplane designed in response to a Japanese Army fighter specification issued in June 1935. The Ki-28 was a low-wing cantilever monoplane, powered by an 800hp Kawasaki Ha-9-11a liquid cooled engine. It was competing against the Mitsubishi Ki-33, which was a version of the A5M naval fighter, and the Nakajima Ki-27, which won the contest, entering production as the Army Type 97 Fighter.

Kawasaki Ki-28 from the front
Kawasaki Ki-28 from the front

The three aircraft were tested against each other at the Rikugun Kokogijutsi Kenkyujo (Army Aero technical Research Institute). The Ki-28 was the fastest of the three, although was only 10mph faster than the Ki-27, which was the slowest. The Ki-28 also had the fastest rate of climb, this time by a rather wider margin. Despite this it was the Nakajima Ki-27 that would be ordered into production, as the Army Type 97 Fighter, because it was by far the most manoeuvrable of the three aircraft.

Engine: Kawasaki Ha-9-11a
Power: 800hp
Maximum Speed: 301mph at 13,125ft
Climb rate: 5 min 10 sec to 16,406ft

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How to cite this article: Rickard, J (1 December 2008), Kawasaki Ki-28, http://www.historyofwar.org/articles/weapons_kawasaki_ki-28.html

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