Ho-1 cannon

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.

Mounting

The cannon when fixed was known as the Ho-3, 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.

Specifications

Caliber: 20 mm
Ammunition: 20 x 125 Armor-piercing tracer or high-explosive incendiary
Weight: 33 kg
Rate of fire: 300-400 rounds/min
Range 900 m
Muzzle velocity: 820 m/s