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10-inch/40-caliber gun Mark 3
Naval gun / From Wikipedia, the free encyclopedia
The 10"/40 caliber gun Mark 3 (spoken "ten-inch-forty-caliber") was used for the main batteries of the United States Navy's last generation of armored cruisers, the Tennessee-class. The Mark 3s were the last, and most powerful, 10-inch (254 mm) guns built for the US Navy.[1]
Quick Facts Type, Place of origin ...
10"/40 caliber Mark 3 Naval Gun | |
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![]() USS Washington (ACR-11) - 10-inch gun practice. | |
Type | Naval gun |
Place of origin | United States |
Service history | |
In service | 1902 |
Used by | ![]() |
Wars | World War I |
Production history | |
Designer | Bureau of Ordnance |
Designed | 1899 |
Manufacturer | U.S. Naval Gun Factory |
No. built | 21 (Nos. 27–47) |
Variants | Mark 3 |
Specifications | |
Mass |
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Length | 413 in (10,500 mm) |
Barrel length | 400 in (10,000 mm) bore (40 calibers) |
Shell | 510 lb (230 kg) armor-piercing |
Caliber | 10 in (254 mm) |
Elevation | -3° to +14° |
Traverse | −150° to +150° |
Rate of fire | 2 – 3 rounds per minute |
Muzzle velocity | 2,700 ft/s (820 m/s) |
Effective firing range | 20,000 yd (18,288 m) at 14.5° elevation |
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