Ho-401 cannon
From Self-sufficiency
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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.
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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