Nakajima Ki-43-II Hayabusa

Ki-43-II

Totals

324000 Price

150 Survivability

2190 kgWeight

89.7 Damage

Speed

1149.9 Airspeed

510 km/hTop Speed at Sea Level

510 km/hTop Speed at Best Altitude

1000 mOptimum Altitude

580 km/hMaximum Dive Speed

103.4 m/sRate of Climb

80 km/hStall Speed

272.3 km/hOptimum Airspeed

Mobility

89.6 Controllability

8 sAverage Time to Turn 360 deg

140 °/sRate of Roll

1611.3 Maneuverability

Ki-43-I

Ki-43-II

Ki-61

V

324000

Military use of the first Ki-43 models revealed that the fighter lacked firepower, survivability, and top speed. To correct these faults, the Nakajima Aircraft Company developed a new modification that remained in production until the end of World War II.

Tech Tree

Engine

IV

0

EngineNakajima Ha-115-I

Specifications:
Engine Power, hp	1150
Type	air-cooled
Weight, kg	570

Applicability:Nakajima Ki-43-I Hayabusa, Nakajima Ki-43-II Hayabusa

IV

Nakajima Ha-115-I

IV

2200

EngineNakajima Ha-115-II

Specifications:
Engine Power, hp	1230
Type	air-cooled
Weight, kg	570

Price:
Research cost	2200
Purchase price	29000

Applicability:Nakajima Ki-43-I Hayabusa, Nakajima Ki-43-II Hayabusa

IV

2200

Nakajima Ha-115-II

V

0

Engine

Specifications:
Engine Power, hp	1300
Type	air-cooled
Weight, kg	540

Applicability:Nakajima Ki-43-II Hayabusa

V

V

3100

EngineMitsubishi Ha-112

Specifications:
Engine Power, hp	1300
Type	air-cooled
Weight, kg	540

Price:
Research cost	3100
Purchase price	33500

Applicability:Nakajima Ki-43-II Hayabusa

V

3100

Mitsubishi Ha-112

Airframe

V

3750

AirframeKi-43-III Ko

Specifications:
Survivability	160
Weight, kg	1500

Price:
Research cost	3750
Purchase price	43500

Applicability:Nakajima Ki-43-II Hayabusa

V

3750

Ki-43-III Ko

V

0

AirframeKi-43-II Kai

Specifications:
Survivability	150
Weight, kg	1500

Applicability:Nakajima Ki-43-II Hayabusa

V

Ki-43-II Kai

V

0

Airframe

Specifications:
Survivability	160
Weight, kg	1500

Applicability:Nakajima Ki-43-II Hayabusa

V

Synchronized machine gun

IV

0

Machine gun12.7 mm Ho-103 (S)

Specifications:
Caliber	12.7
Muzzle Velocity, m/s	1040
Damage	42
Rate of Fire, rounds/min	700
Weight, kg	60

Applicability:Nakajima Ki-43-I Hayabusa, Nakajima Ki-43-II Hayabusa, Kawasaki Ki-61 Hien, Nakajima Ki-84 Hayate

IV

2x12.7 mm Ho-103 (S)

IV

2450

Machine gun20 mm Ho-3-II (S)

Specifications:
Caliber	20
Muzzle Velocity, m/s	1280
Damage	60
Rate of Fire, rounds/min	320
Weight, kg	90

Price:
Research cost	2450
Purchase price	16400

Applicability:Nakajima Ki-43-I Hayabusa, Nakajima Ki-43-II Hayabusa

IV

2450

2x20 mm Ho-3-II (S)

V

2800

Machine gun20 mm Ho-5 (S)

Specifications:
Caliber	20
Muzzle Velocity, m/s	1440
Damage	65
Rate of Fire, rounds/min	360
Weight, kg	90

Price:
Research cost	2800
Purchase price	28260

Applicability:Nakajima Ki-43-II Hayabusa, Kawasaki Ki-61 Hien

V

2800

2x20 mm Ho-5 (S)

V

0

Machine gun

Specifications:
Caliber	20
Muzzle Velocity, m/s	1440
Damage	65
Rate of Fire, rounds/min	360
Weight, kg	90

Price:
Purchase price	28260

Applicability:Nakajima Ki-43-II Hayabusa

V

2x

VIKi-61 →

No weapons

No weapons

No weapons

Premium aircraft

Gift aircraft

Modules

Engine

Tier	Engine	Engine Power, hp / Thrust	Type	Weight, kg	Price,
IV	Nakajima Ha-115-I	1150	air-cooled	570	17700
IV	Nakajima Ha-115-II	1230	air-cooled	570	29000
V		1300	air-cooled	540	33500

Airframe

Tier	Airframe	Survivability	Weight, kg	Price,
V	Ki-43-III Ko	160	1500	43500
V	Ki-43-II Kai	150	1500	39000

Synchronized machine gun

Tier	Machine gun	Caliber	Muzzle Velocity, m/s	Damage	Rate of Fire, rounds/min	Weight, kg	Price,
IV	20 mm Ho-3-II (S)	20	1280	60	320	90	16400
V	20 mm Ho-5 (S)	20	1440	65	360	90	28260
V		20	1440	65	360	90	28260

Player Opinion

Pros and Cons

Pros:

• One of the most maneuverable non-premium aircraft in the game. Shortest turn time of all aircraft w/o equipment.
• Decent single-shell damage for its armament.
• Better altitude performance & top speed than A6M2.

Cons:

• Fewest hitpoints of all tier V aircraft. Has the same amount as the tier IV BF 109B.
• Only 2 guns, though they are both 20mm. Half as many guns as A6M2.
• Guns overheat quickly.
• Autocannons have shorter range than those that the A6M2 can mount.

Historical Info

Prototypes for the Ki-43-II flew in February 1942. The Ha-25 engine was upgraded with the 2-stage supercharger, thus becoming the more powerful Nakajima Ha-115 engine, which was installed in a longer-chord cowling. The new engine turned a three-bladed propeller. The wing structure, which had suffered failures in the Ki-43-I, was strengthened and equipped with racks for drop tanks or bombs. The Ki-43-II was also fitted with 13 mm armor plate for the pilot's head and back, and the aircraft's fuel tanks were coated in rubber to form a crude self-sealing tank. This was later replaced by 3-layer rubber bladder, 8mm core with 2mm oil-proof lamination. The bladder has proven to be highly resistant against 7.7mm bullets, but was not much effective against larger calibers. The pilot also enjoyed a slightly taller canopy and a reflector gunsight in place of the earlier telescopic gunsight. Nakajima commenced production of the Ki-43-II at its Ota factory in November 1942. Production was also started at the Tachikawa Hikoki KK and the 1st Army Air Arsenal (Tachikawa Dai-Ichi Rikugun Kokusho), also at Tachikawa. Although Tachikawa Hikoki successfully managed to enter into large-scale production of the Ki-43, the 1st Army Air Arsenal was less successful - hampered by a shortage of skilled workers, it was ordered to stop production after 49 Ki-43s were built. Nakajima eventually ceased production in mid-1944 in favor of the Ki-84, but the Tachikawa Hikoki continued to produce the Ki-43.

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Historical Gallery

• 

  Nakajima Ki-43-IIa

• 

  A Ki-43-II.

• 

  Indonesian Ki-43-II

Japan

Fighters

ja:Plane:Ki-43-ii