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Ho-3 cannon 
Summary
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.[1]
| Ho-3 cannon | |
|---|---|
 Two dismounted Ho-3 cannons without the drum magazines. Note the ammunition belt. | |
| 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 | 45 kg (99 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 | 50-round drum magazine |
Specifications edit
- 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 edit
- ^ Gustin & Williams, p. 183
Bibliography edit
- Gustin, Emmanuel; Williams, Anthony G. (2003). Flying Guns: The Development of Aircraft Guns, Ammunition and Installations 1933–1945. Marlborough, UK: Airlife. ISBN 978-1-84037-227-4.