Ho-401 was a Japanese aircraft autocannon that saw limited, if any, use during World War II. It was a large-caliber version of the 37 mm Ho-203 cannon. The cannon was used on the ground-attack, Kawasaki Ki-102b heavy fighter of the Imperial Japanese Army Air Force.[1]

Ho-401 cannon
TypeAircraft cannon
Place of originImperial Japanese army
Service history
WarsWorld War II
Specifications
Mass150 kg (330 lb)
Length2,000 mm (79 in)
Barrel length800 mm (31 in)

Cartridge57 x 121R (1,550 g)
Calibre57 mm (2.2 in)
ActionShort recoil-operated
Rate of fire80 rounds/min
Muzzle velocity495 m/s (1,620 ft/s)
Feed system16-round drum

Specifications

edit
  • Caliber: 57 mm (2.25 in)
  • Ammunition: 57 x 121R (1,550 g)
  • Weight: 150 kg (330 lb)
  • Rate of fire: 80 rounds/min
  • Muzzle velocity: 495 m/s (1,624 ft/s)

Citations

edit
  1. ^ Gustin & Williams, p. 183

Bibliography

edit
  • Gustin, Emmanuel; Williams, Anthony G. (2003). Flying Guns: The Development of Aircraft Guns, Ammunition and Installations 1933–1945. Marlborough, UK: Airlife. ISBN 978-1-84037-227-4.
edit