Ho-155 cannon

Ho-155 was a Japanese aircraft autocannon used during World War II. It was a scaled-up and modified version of the 20 mm Ho-5 cannon, itself a scaled up Model 1921 aircraft Browning.

Specifications

• Caliber: 30 mm (1.2 in)
• Ammunition: 30 x 114 (253 g)
• Weight: 50 kg (110 lb)
• Rate of fire: 600 rounds/min
• Muzzle velocity: 700 m/s (2,300 ft/s)