Nakajima Ki-43 - Variants

Variants

Ki-43

Prototypes and operative prototypes.

Ki-43-Ia

Variant armed with 2 × 7.7 mm (.303 in) Type 97 machine guns

Hayabusa Fighter Type 1 of Army (Mark 1).

Ki-43-Ib (Mark Ib)

Variant armed with one 12.7 mm (.50 in) Ho-103 machine gun and 1 × 7.7 mm (.303 in) Type 97

Ki-43-Ic (Mark Ic)

Variant armed with 2 × 12.7 mm (.50 in) Ho-103

Ki-43-II

Prototypes and evaluative models.

Ki-43-IIa (Mark 2a)

Ability to carry up to 500 kg (1,100 lb) of bombs

Ki-43-IIb (Mark 2b)

Radio equipment added

Ki-43-II-KAI

Fitted with ejector exhaust stacks

Ki-43-III

Prototypes powered by Nakajima Ha-115-II engine of 920 kW (1,230 hp)

2 × 170 L (45 gal) drop tanks (~3 hour full-throttle endurance)

Ki-43-IIIa (Mark 3a)

Series model

Ki-43-IIIb (Mark 3b)

Variant armed with 20 mm cannons.

Ki-62 Project

Advanced interceptor version of Nakajima Ki-43 with a powerful engine and armed with 30 mm (1.18 in) or 40 mm (1.57 in) cannons.