A5M “Claude”, Japanese Carrier Fighter


 Photograph of A5M "Claude" fighter

Francillon (1979)

Mitsubishi A5M4 "Claude"

Specifications:

Dimensions

36'1" by 24'11" by 10'9"
11m by 7.57m by 3.27m

Weight

2,681-3,684 lbs
1216-1671 kg
Wing area 192 square feet
17.8 square meters

Maximum speed      

236 mph (380 km/h) at sea level
248 mph (400 km/h) at 3280 feet (1000 meters)
270 mph (435 km/h) at 9845 feet (3000 meters)
265 mph (426 km/h) at 10,140 feet (3090 meters)
Cruise speed 250 mph at 9845 feet
402 km/h at 3000  meters

Climb rate

46 feet per second
14 m/s

Ceiling

32,150 feet
9800 meters
Powerplant
One 785hp (585 kW) Nakajima Kotobuki 41 or 41 KAI nine-cylinder air-cooled radial engine driving a three-blade SS-22 two-pitch (ground adjustable) metal propeller

Range

500 miles (805 km) on internal fuel
746 miles (1200 km) with drop tank

Armament

2 7.7mm Type 89 machine guns (cowling) with 500 rounds per gun.

External stores     

2 30kg (66 lb) bombs or 1 160 liter (42 gallon) drop tank.

Fuel capacity

75 gallons (284 liter) internal

Production

A total of 1,094 A5Ms and derivatives were built as follows:

Mitsubishi Jukogyo K.K., Nagoya:


6
782
1
2
Ka-14 prototypes (1935-36)
A5M1 to A5M4 (1936-40)
Ki-18 prototype (1935)
Ki-33 prototypes (1936)
K.K. Watanabe Tekkosho:

39 A5M4 (1939-42)
Dai-Nijuichi Kaigun Kokusho, Omura:

161
103
A5M4 (1939-41)
A5M4-K (1942-44) for Kamikaze service.
Variants: The A5M1 used a 585hp 2-Kai-1 engine and the A5M2 a 610hp 2-Kai-3.


The Claude was the first modern Japanese carrier fighter, though it retained such anachronisms as fixed landing gear. It remained the standard Japanese carrier fighter up until shortly before the outbreak of war, and it remained in use on second-line carriers and land bases until sufficient Zeros were available. Production resumed in 1944 for kamikaze use. The aircraft was highly maneuverable, and saw considerable success against the Chinese. However, by 1941, its performance and firepower were entirely inadequate. 

Claude was designed at a time when it was widely accepted that carrier aircraft could not be the equals of land-based aircraft. Bergerud regards it as a distinctly second-rate fighter whose successes in China masked its defects. The success of the Claude led the Japanese into the trap of believing that the turning fight was still the correct air tactical doctrine. As a result, maneuverability remained a prime performance characteristic in the minds of Japanese aircraft designers at a time when designers in other nations were coming to the opposite conclusion.

One can only speculate what might have been had this remained the first line Japanese carrier fighter into 1942.


References

Bergerud (2000)

Francillon (1979)

Gunston (1988)