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Mitsubishi A7M Reppu

Mitsubishi A7M Reppu

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A7M

Icon
Totals
1330000 Price
280 Survivability
3730 kgWeight
336.6 Damage
Speed
1354 Airspeed
580 km/hTop Speed at Sea Level
580 km/hTop Speed at Best Altitude
1100 mOptimum Altitude
700 km/hMaximum Dive Speed
114 m/sRate of Climb
90 km/hStall Speed
312 km/hOptimum Airspeed
Mobility
86.5 Controllability
8 sAverage Time to Turn 360 deg
100 °/sRate of Roll
1556.6 Maneuverability
VII
Mitsubishi A7M Reppu
1330000
Developed in 1942–1945 for the Imperial Japanese Navy as a successor to the A6M. Only 8 prototypes were produced and tested by the end of the war.

Tech Tree

Engine
tree_wowp_ico-engine.pngVII
0
EngineNK9K
Specifications:
Engine Power, hp1990
Typeair-cooled
Weight, kg830
tree_wowp_ico-engine.pngVII
NK9K
tree_wowp_ico-engine.pngVIII
16000
EngineMK9A
Specifications:
Engine Power, hp2200
Typeair-cooled
Weight, kg1035
Price:
Research cost16000
Purchase price75600
tree_wowp_ico-engine.pngVIII
16000
MK9A
tree_wowp_ico-engine.pngIX
21000
EngineMK9E
Specifications:
Engine Power, hp2550
Typeair-cooled
Weight, kg1040
Price:
Research cost21000
Purchase price165000
tree_wowp_ico-engine.pngIX
21000
MK9E
tree_wowp_ico-engine.pngIX
0
Engine
Specifications:
Engine Power, hp2550
Typeair-cooled
Weight, kg1040
tree_wowp_ico-engine.pngIX
Airframe
tree_wowp_ico-planer.pngVI
0
AirframeA7M1
Specifications:
Survivability280
Weight, kg2600
tree_wowp_ico-planer.pngVI
A7M1
tree_wowp_ico-planer.pngVII
23800
AirframeA7M2
Specifications:
Survivability300
Weight, kg2600
Price:
Research cost23800
Purchase price87000
tree_wowp_ico-planer.pngVII
23800
A7M2
tree_wowp_ico-planer.pngVII
0
Airframe
Specifications:
Survivability300
Weight, kg2600
tree_wowp_ico-planer.pngVII
Wing-mounted weapon
tree_wowp_ico-gun.pngVII
0
Machine gun20 mm Type 99-2 Model 4 (W)
Specifications:
Caliber20
Muzzle Velocity, m/s1440
Damage100
Rate of Fire, rounds/min400
Weight, kg90
tree_wowp_ico-gun.pngVII
2x20 mm Type 99-2 Model 4 (W)
tree_wowp_ico-gun.pngVII
16400
Machine gun20 mm Type 99-2 Model 5 (W)
Specifications:
Caliber20
Muzzle Velocity, m/s1600
Damage110
Rate of Fire, rounds/min400
Weight, kg90
Price:
Research cost16400
Purchase price53900
tree_wowp_ico-gun.pngVII
16400
2x20 mm Type 99-2 Model 5 (W)
tree_wowp_ico-gun.pngVII
0
Machine gun
Specifications:
Caliber20
Muzzle Velocity, m/s1600
Damage110
Rate of Fire, rounds/min400
Weight, kg90
Price:
Purchase price53900
tree_wowp_ico-gun.pngVII
2x
Wing-mounted weapon
tree_wowp_ico-gun.pngVI
0
Machine gun13.2 mm Type 3 (W)
Specifications:
Caliber13.2
Muzzle Velocity, m/s1160
Damage50
Rate of Fire, rounds/min750
Weight, kg60
tree_wowp_ico-gun.pngVI
2x13.2 mm Type 3 (W)
tree_wowp_ico-gun.pngVII
0
Machine gun20 mm Type 99-2 Model 4 (W)
Specifications:
Caliber20
Muzzle Velocity, m/s1440
Damage100
Rate of Fire, rounds/min400
Weight, kg90
Price:
Purchase price41300
tree_wowp_ico-gun.pngVII
2x20 mm Type 99-2 Model 4 (W)
tree_wowp_ico-gun.pngVII
16400
Machine gun20 mm Type 99-2 Model 5 (W)
Specifications:
Caliber20
Muzzle Velocity, m/s1600
Damage110
Rate of Fire, rounds/min400
Weight, kg90
Price:
Research cost16400
Purchase price53900
tree_wowp_ico-gun.pngVII
16400
2x20 mm Type 99-2 Model 5 (W)
tree_wowp_ico-gun.pngVII
0
Machine gun
Specifications:
Caliber20
Muzzle Velocity, m/s1600
Damage110
Rate of Fire, rounds/min400
Weight, kg90
Price:
Purchase price53900
tree_wowp_ico-gun.pngVII
2x
tree_wowp_ico-.png
No weapons
tree_wowp_ico-.png
No weapons
tree_wowp_ico-.png
No weapons


Modules

Engine

Engine

Tier Engine Engine Power, hp / Thrust Type Weight, kg Price,
VII NK9K 1990 air-cooled 830 50200
VIII MK9A 2200 air-cooled 1035 75600
IX MK9E 2550 air-cooled 1040 165000
Airframe

Airframe

Tier Airframe Survivability Weight, kg Price,
VI A7M1 280 2600 72500
VII A7M2 300 2600 87000
Wing-mounted weapon

Wing-mounted weapon

Tier Machine gun Caliber Muzzle Velocity, m/s Damage Rate of Fire, rounds/min Weight, kg Price,
VII 20 mm Type 99-2 Model 5 (W) 20 1600 110 400 90 53900
VII 20 1600 110 400 90 53900
Wing-mounted weapon

Wing-mounted weapon

Tier Machine gun Caliber Muzzle Velocity, m/s Damage Rate of Fire, rounds/min Weight, kg Price,
VII 20 mm Type 99-2 Model 4 (W) 20 1440 100 400 90 41300
VII 20 mm Type 99-2 Model 5 (W) 20 1600 110 400 90 53900
VII 20 1600 110 400 90 53900


Compatible Equipment

Compatible Consumables

Player Opinion

Pros and Cons

Pros:


  • Fantastic DPS and good accuracy with the model 5 guns.
  • improved thrust and engine power for its tier over zero predecessors.
  • maintains very good maneuverability


Cons:


  • Is very prone to crits, especially engine knockouts and fires.
  • Massive. Comparable in size to the Me 262 HG II. Size makes it a easy target.
  • Still sluggish for its tier despite improvements.


Historical Info

Towards the end of 1940, the Imperial Japanese Navy asked Mitsubishi to start design on a 16-Shi carrier-based fighter, which would be the successor to the carrier-based Zero. At that time, however, there were no viable high-output, compact engines to use for a new fighter. In addition, Jiro Horikoshi's team was preoccupied with addressing early production issues with the A6M2b as well as starting development on the A6M3 and the 14-Shi interceptor (which would later become the Mitsubishi J2M Raiden, a land-based interceptor built to counter high-altitude bombers). As a result, work on the Zero successor was halted in January 1941.


In April 1942, the development of the A6M3 and the 14-Shi interceptor was complete, and the Japanese Navy once again tasked Mitsubishi and Horikoshi's team with designing a new Zero successor to become the Navy Experimental 17-shi Ko (A) Type Carrier Fighter Reppu. In July 1942 the Navy issued specifications for the fighter: it had to fly faster than 345 kn (639 km/h) above 6,000 m, climb to 6,000 m in less than 6 minutes, be armed with two 20 mm cannon and two 13 mm machine guns, and retain the maneuverability of the A6M3.

As before, one of the main hurdles was engine selection. To meet the specifications the engine would need to produce at least 2,000 hp, which narrowed choices down to Nakajima's NK9 (Ha-45) or Mitsubishi's MK9 (Ha-43), which were both under development. The early NK9 had less output but was already approved by the Navy for use on the Yokosuka P1Y Ginga, while the larger MK9 promised more horsepower. With the larger, more powerful engine, wing loading became an issue. The Navy requested at most 150 kg/m², but wanted 130 kg/m² which complicated design considerations further. With the NK9 it could achieve 150 kg/m², but with the less power it would not meet the specifications for maximum speed. With the MK9 the engineers concluded it could fulfill the requirements; however, production of the MK9 was delayed compared to the NK9, and the Japanese Navy instructed Mitsubishi to use the NK9.

Work on the 17-Shi was further delayed by factories prioritizing A6M and Mitsubishi G4M production as well as further work on A6M variants and addressing Raiden issues. As a result, the 17-Shi, which became the A7M1, officially flew for the first time on 6 May 1944, four years after development started. The aircraft demonstrated excellent handling and maneuverability, but was underpowered as Mitsubishi engineers feared, and with a top speed similar to the A6M5 Zero. It was a disappointment, and the Navy ordered development to stop on 30 July 1944, but Mitsubishi obtained permission for development to continue using the Ha-43 engine, flying with the completed Ha-43 on 13 October 1944. The A7M2 now achieved a top speed of 628 km/h, while climb and other areas of performance surpassed the Zero, leading the Navy to change its mind and adopt the craft. The A7M2 was also equipped with automatic combat flaps, used earlier on the Kawanishi N1K-J, significantly improving maneuverability.

On June 1945, ace pilot Saburo Sakai was ordered to Nagoya to test the airplane. He declared it to be the fastest fighter he had ever seen, able to surpass anything on the air, Japanese or American. He claimed it could fly in circles, while ascending, around a Hellcat or a Mustang, and that engineers stated it could fight at up to 12,000 meters.

While it was hoped that the A7M would replace the A6M, production was disrupted by an earthquake on December 1944 in the Nagoya region, and Allied bombing raids on 11 March 1944, which caused the loss of full scale drawings and jigs for the Sam 12 (A7M2) and Ki-83. Only nine aircraf were completed by the end of the war. The type never saw combat.



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