Ho-401 cannon

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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.

[edit] Specifications

  • Caliber: 57 mm (2.25 in)
  • Ammunition: 57 x 121R (1,500 g)
  • Weight: 150 kg (330 lb)
  • Rate of fire: 80 rounds/min
  • Muzzle velocity: 495 m/s (1,625 ft/s)

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