BL 7.5-inch Mk I naval gun
(Redirected from BL 7.5 inch Mk I naval gun)
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] |
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.
History
This gun was only mounted on Devonshire class cruisers commissioned in 1905, and was quickly superseded by the 50-calibre 7.5-inch Mk II gun.
See also
Notes
- ^ 2700 ft/sec firing a 200-pound projectile: Brasseys Naval Annual 1902 using 61 lb cordite MD size 26 propellant : Treatise on Ammunition 1915
- ^ Friedman, Norman (1 January 2011). Naval weapons of World War One. Seaforth. ISBN 978-1-84832-100-7. OCLC 786178793.
References
- Friedman, Norman (2011). Naval Weapons of World War One. Barnsley, South Yorkshire, UK: Seaforth. ISBN 978-1-84832-100-7.
External links
Wikimedia Commons has media related to BL 7.5 inch Mk I naval gun.
- Tony DiGiulian, British 7.5"/45 (19 cm) Mark I
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