12 cm/12 short naval gun
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The 12 cm/12 short naval gun was a naval gun used by the Imperial Japanese Navy to defend merchant ships and land bases during World War II.
Quick Facts Type, Place of origin ...
12 cm/12 short naval gun | |
---|---|
Type | Naval gun Coastal artillery Anti-aircraft gun Anti-submarine gun |
Place of origin | Empire of Japan |
Service history | |
In service | 1941-45 |
Used by | Imperial Japanese Navy |
Wars | World War II |
Production history | |
Designer | Kure Naval Arsenal |
Designed | 1941 |
Manufacturer | Yokosuka Naval Arsenal[1] |
No. built | 550[2] |
Specifications | |
Mass | Total: 1,890 kg (4,170 lb) Barrel: 218 kg (481 lb) |
Length | 1.5 m (4 ft 11 in) |
Barrel length | 1.4 m (4 ft 7 in) L/12[2] |
Shell | Fixed QF ammunition 120 x 284R[3] |
Shell weight | 13 kg (28 lb 10 oz) |
Caliber | 120 mm (4.7 in) |
Action | Manual |
Breech | Interrupted screw |
Recoil | Hydro-spring |
Carriage | Center pivot H/A L/A[4] |
Elevation | -15° to +75° |
Traverse | 360° |
Rate of fire | 8 rounds per minute[2] |
Muzzle velocity | 290 m/s (950 ft/s) |
Effective firing range | 2,800 m (9,200 ft) at +75° AA |
Maximum firing range | 5.3 km (3.3 mi) Horizontal[4] |
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