Ho-1 was a Japanese autocannon used during World War II, it was a Type 97 20 mm anti-tank rifle adapted for use in bomber turrets.[1]

Ho-1 cannon
A Type 97 20 mm anti-tank rifle, the base for the Ho-1 cannon.
Type	Aircraft autocannon
Place of origin	Empire of Japan
Service history
Used by	Imperial Japanese Army Air Service Imperial Japanese Navy Air Service
Wars	World War II
Specifications
Mass	34 kg (75 lb)
Length	1,749 mm (68.9 in)
Barrel length	1,194 mm (47.0 in)
Cartridge	20x125mm (127)
Calibre	20 mm (0.79 in)
Action	Short recoil-operated
Rate of fire	300-400 rounds/min
Muzzle velocity	820 m/s (2,700 ft/s)
Feed system	15-round box magazine

Fixed or not

The cannon when fixed was known as the Ho-3,[2] compared to its flexible brother the Ho-3 was fed with a 50-round double drum, while the Ho-1 was fed by a 15-round magazine.[1]

Specifications

• Caliber: 20 mm (0.8 in)
• Ammunition: 20 x 125 (164 g) Armor-piercing tracer or high-explosive incendiary[1]
• Weight: 33 kg (72 lb)[1]
• Rate of fire: 300-400 rounds/min
• Range 900 m
• Muzzle velocity: 820 m/s (2,690 ft/s)

References

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На других языках

[ru] Ho-1