avia.wikisort.org - WeaponThe QF 4.7 inch Gun Mark VIII[1] was a British naval anti-aircraft gun designed in the 1920s for the Royal Navy. This was the largest caliber fixed ammunition gun ever in service in the RN, though the round was considerably shorter and lighter than the round for the QF 4.5-inch Mk I – V naval gun. It was carried in powered HA XII mountings on the two Nelson-class battleships, two of the three Courageous-class aircraft carriers, the minelayer HMS Adventure, and the Australian seaplane tender HMAS Albatross.[2]
Naval anti-aircraft gun
QF 4.7 inch Gun Mk VIII |
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 One gun on HMS Rodney before 1940 |
Type | Naval anti-aircraft gun |
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Place of origin | United Kingdom |
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In service | 1927–1945 |
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Used by | British Empire |
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Wars | World War II |
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No. built | 84 |
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Mass | 6,636 pounds (3,010 kg) |
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Barrel length | 189 inches (4.8 m) L/40 |
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Shell weight | Complete 76 pounds (34.5 kg) Projectile 50 pounds (22.7 kg) |
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Calibre | 4.724 inches (120 mm) |
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Elevation | –5° to +90 |
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Traverse | 360° |
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Rate of fire | 8–12 rounds per minute |
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Muzzle velocity | 2,457 feet per second (749 m/s) |
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Maximum firing range | 16,160 yards (14,780 m) at 45° 32,000 feet (9,800 m) at 90° |
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See also
- Type 10 120 mm AA Gun: Japanese equivalent
Notes and references
- Mark VIII = Mark 8. Britain used Roman numerals to denote Marks (models) of ordnance until after World War II. Mark VIII indicates this was the eighth model of QF 4.7 inch gun.
- Campbell, Naval Weapons of WWII, p.51.
Bibliography
External links
Media related to QF 4.7 inch Mk VIII naval gun at Wikimedia Commons
British Commonwealth naval weapons of the Second World War |
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Monitor guns | |
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Capital ship main armament |
- BL 14-inch
- BL 15-inch
- BL 16-inch
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Heavy cruiser main armament |
- BL 7.5-inch Mk VI
- BL 8-inch Mk VIII
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Secondary armament and light cruiser main armament | |
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Minesweeper, Sloop, Corvette, Frigate and Destroyer armament | |
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Submarine guns | |
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Anti-aircraft weapons | |
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Light weapons | |
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Torpedoes |
- 21-inch Mk VII
- 21-inch Mk VIII
- 21-inch Mk X
- 21-inch Mk XI
- 24.5-inch Mk I
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Anti-submarine weapons |
- Thornycroft depth charge thrower
- Hedgehog
- Squid
|
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Small craft armament | |
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Foreign-sourced weapons |
- 20 mm Oerlikon
- 40 mm Bofors
- 3-inch 23 caliber gun (US)
- 3-inch 50 caliber gun (US)
- 4-inch 50 caliber Mark 9 gun (US)
- 5-inch 51 caliber Mark 8 gun (US)
- Y-gun depth charge projector (US)
- Mark 8 torpedo (US)
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