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Nakajima Ki-43 Hayabusa

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description Nakajima Ki-43 Hayabusa Overview

The Nakajima Ki-43 Hayabusa, designated "Oscar" by Allied forces, was a single-engine fighter aircraft used by the Imperial Japanese Army Air Force during World War II. Entering service in 1941, the aircraft was renowned for its exceptional maneuverability and extended operational range, achieved through the use of innovative combat flaps. To achieve this performance, the design significantly compromised on pilot protection and structural armor, initially omitting self-sealing fuel tanks. It served as the primary army fighter for much of the Pacific War.

help Nakajima Ki-43 Hayabusa FAQ

What was the Allied code name for the Nakajima Ki-43?

The Allies called the Ki-43 the Oscar. Japanese Army units officially used the designation Ki-43 Hayabusa for the single-engine fighter.

Why was the Ki-43 Hayabusa so maneuverable?

The design emphasized low weight and a lightly built airframe, giving it excellent turning performance. That advantage came with less armor and self-sealing fuel protection than many later Allied fighters.

What engine powered the Ki-43?

The Ki-43 used a Nakajima Ha-115 radial engine in its main production form. It was a single-engine fighter, unlike the twin-engine Mitsubishi Ki-46 reconnaissance aircraft.

When did the Ki-43 enter Japanese service?

The Ki-43 entered service in 1941 with the Imperial Japanese Army Air Force. It was used across several Asian and Pacific fronts during World War II.

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