BL 7.5-inch Mk I naval gun
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The BL 7.5-inch gun Mk I was a British 45-calibre, medium-velocity, naval gun which entered service with the Royal Navy in 1905.
Quick Facts Ordnance BL 7.5-inch gun Mk I, Type ...
Ordnance BL 7.5-inch gun Mk I | |
---|---|
Type | Naval gun |
Place of origin | United Kingdom |
Service history | |
In service | 1905–1922 |
Used by | Royal Navy |
Wars | World War I |
Production history | |
Designer | Vickers |
Designed | circa. 1901 |
Manufacturer | Vickers |
Produced | 1905 |
No. built | 33 |
Specifications | |
Mass | 13.7 long tons (13.9 t) |
Barrel length | 28 feet (8.534 m) bore (45 calibres) |
Shell | 200 pounds (90.7 kg) |
Calibre | 7.5 inches (191 mm) |
Breech | Welin breech block |
Elevation | -5° to +15° |
Rate of fire | 4-5 rpm |
Muzzle velocity | 2,700 ft/s (820 m/s)[1] |
Effective firing range | 7.9 mi (12.7 km) at 15°[2] |
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