Type 10 120 mm AA gun
Dual-purpose gun / From Wikipedia, the free encyclopedia
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The Type 10 or 12 cm/45 10th Year Type naval gun was a Japanese 120 mm calibre dual purpose anti-aircraft and coastal defense gun used during the Second World War. It was derived from the 12 cm/45 3rd Year Type naval gun. The Type 10 number was designated for the year the gun was accepted, the 10th year of Emperor Taishō's reign, 1927 in the Gregorian calendar.[1] It served as the secondary armament on a number of Japanese aircraft carriers and cruisers and as the main armament on smaller ships, in single or twin mountings.[2]
Quick Facts Place of origin, Service history ...
Type 10 120 mm dual-purpose gun | |
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Type | Dual-purpose gun |
Place of origin | Japan |
Service history | |
In service | 1921-1945 |
Used by | Empire of Japan |
Wars | Second World War |
Production history | |
Produced | 1921-1945 |
No. built | approx 2000 |
Specifications | |
Mass | 8.5 tons |
Length | 5.94 m (19 ft 6 in) |
Barrel length | 5.4 m (17 ft 9 in) L/45 |
Width | 2.16 m (7 ft 1 in) |
Height | 2.34 m (7 ft 8 in) |
Shell | Fixed QF ammunition 120 x 708R |
Shell weight | 20.6 kg (45 lb 7 oz) |
Caliber | 120 mm (4.7 in) |
Action | Semi-automatic |
Breech | Horizontal sliding-wedge |
Recoil | Hydro-spring |
Carriage | Pedestal mount |
Elevation | -5 to +75 degrees |
Traverse | 360 degrees |
Rate of fire | 10 to 12 rounds per minute |
Muzzle velocity | 825 m/s (2,710 ft/s) |
Effective firing range | Horizontal: 16,000 m (17,000 yd) Vertical: 8,500 m (27,900 ft) |
Maximum firing range | Vertical: 10,000 m (33,000 ft) |
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