Ho-3 was a Japanese autocannon used during World War II. It was a drum-fed improvement of the magazine-fed Ho-1 cannon, itself derived from the Type 97 antitank rifle. It was used by the Kawasaki Ki-45KAIc heavy fighter of the Imperial Japanese Army Air Force.Gustin & Williams, p. 183
Specifications Caliber: 20 mm (0.8 in) Ammunition: 20 x 125 (164 g) Weight: 43 kg (95 lb) Rate of fire: 300-400 rounds/min Muzzle velocity: 820 m/s (2,690 ft/s)
Citations
Bibliography