Ho-204 cannon

Ho-204 was a Japanese aircraft autocannon that saw limited use during World War II. It was the largest gun to see active service derived from the Model 1921 Aircraft Browning. It was used as upward-oblique armament in the Ki-46-III.^[1]

Ho-204 cannon
Type	Aircraft cannon
Place of origin	Imperial Japanese army
Service history
Wars	World War II
Specifications
Mass	130 kg (290 lb)
Length	2,390 mm (94 in)
Barrel length	1,260 mm (50 in)
Cartridge	37 x 144mm
Calibre	37 mm (1.5 in) (475 g)
Action	Short recoil-operated
Rate of fire	400 rounds/min
Muzzle velocity	710 m/s (2,300 ft/s)

Specifications

• Caliber: 37 mm (1.45 in)
• Overall length: 2,390  mm (94  in)
• Barrel length: 1,260  mm (49.6  in)
• Ammunition: 37 x 144 (475 g)
• Weight: 130 kg (285 lb)
• Rate of fire: 400 rounds/min
• Muzzle velocity: 710 m/s (2,330 ft/s)

See also

• Ho-5 cannon
• MK 108 cannon
• Ho-155 cannon
• Ho-203 cannon
• Ho-301 cannon
• Ho-401 cannon