Nakajima Ki-43 Hayabusa: Ki-43-I/Ki-43-Ii/Ki-43-Iii Models

The Nakajima Ki-43 was the successor ofthe companys earlier successful design the Ki-27 Nate. The new fighter was being developed from 1937 by a team ofengineers led by Hideo Itokawa, the designer ofthe Ki-27. The first prototype (s/n 4301) was completed on 12th December 1938. Despite some initial problems, after introducing several modifications (combat flaps, which enhanced the aircrafts manoeuvrability, among others) the Ki-43 was approved for production under the designation ofFighter Type 1 Model 1. The aircraft was also officially named Hayabusa (Peregrine Falcon). Inthe American identification system ofJapanese aircraft Itwas branded Oscar. The Ki-43 was much more advanced than its predecessor, the Ki-27. Itwas powered by 14-cylinder, two-row Nakajima Ha-25 radial engine rated at 980 hp, featured enclosed cockpit, retractable undercarriage, and was armed with two 7.7 mm Type 89 machine guns. Although underarmed, Itwas a potent weapon when flown by a skilful pilot. See more