Ho-3 cannon
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.
| Ho-3 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 | 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
    
- 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)
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