|Manufacturer||Nakajima Aircraft Company|
|Maiden Flight||1 March 1943|
Contributor: C. Peter Chen
ww2dbaseThe Ki-84 Hayate ("Gale") Army Type 4 Fighters were designed to replace the Ki-43 and Ki-44 fighters, and as a result they were the best Nakajima had designed. The first combat mission they saw was in China near Hankow in 1944, and they served in other locations such as Taiwan, Philippine Islands, Okinawa, and Japan Proper. 3,449 were produced before the war ended.
ww2dbaseIn 1945, the Manshu Aircraft Company in the Japanese-sponsored puppet state of Manchukuo embarked on the Ki-116 variant design, which aimed at providing greater power to the Ki-84 design. A single prototype was built with a 1,500-horsepower Mitsubishi Ha-112-II engine mated with a three-blade propeller. The Ki-116 prototype weighed 1,000 pounds less than the latest Ki-84 variant and was considered a promising development. The end of the war, however, prematurely ended this project.
ww2dbaseThe Allied code name for the Ki-84 aircraft was "Frank".
ww2dbaseKi-84 fighters were still impressing the Allies well after the war. Post war testing conducted by the United States Army concluded that the Ki-84 aircraft could reach the speed of 689 kilometers per hour, and they could out-maneuver just about any fighter the Allies used during the war. Many captured Ki-84 fighters were employed in the Chinese Communist military until the 1950s.
Last Major Revision: Oct 2006
|Machinery||One Nakajima Ha-45-21 18-cyl radial engine rated at 1,990hp|
|Armament||2x12.7mm Type 1 machine guns, 2x20mm Ho-5 cannon, 2x250kg bombs|
|Wing Area||21.00 m²|
|Weight, Empty||2,665 kg|
|Weight, Loaded||3,616 kg|
|Weight, Maximum||3,898 kg|
|Speed, Maximum||689 km/h|
|Rate of Climb||19.25 m/s|
|Service Ceiling||10,500 m|
|Range, Normal||2,155 km|
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James Forrestal, Secretary of the Navy, 23 Feb 1945