14-inch gun M1907
Coastal artillery / From Wikipedia, the free encyclopedia
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The 14-inch Gun M1907 (356 mm) and its variants the M1907MI, M1909, and M1910 were large coastal artillery pieces installed to defend major American seaports between 1895 and 1945. They were operated by the United States Army Coast Artillery Corps. Most were installed on single gun disappearing carriages; the only installation with four guns in twin turrets was built at the unique Fort Drum in Manila Bay, Philippines.[4] All of the weapons not in the Philippines were scrapped during World War II.
Quick Facts Type, Place of origin ...
14-inch Gun M1907 | |
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Type | Coastal artillery |
Place of origin | United States |
Service history | |
In service | 1908–1945 |
Used by | United States Army |
Wars | World War I, World War II |
Production history | |
Designer | Watervliet Arsenal |
Designed | 1907–1910 |
Manufacturer | Watervliet Arsenal |
Variants | M1907, M1907MI M1909 |
Specifications | |
Mass | M1907: 111,900 pounds (50,800 kg) M1907MI: 118,700 pounds (53,800 kg) |
Length | M1907: 495 inches (1,260 cm) M1907MI: 495 inches (1,260 cm) |
Barrel length | M1907 & M1907MI: 34 calibers (476 inches (1,210 cm)) M1909 & M1910: 40 calibers (560 inches (1,400 cm)) |
Shell | separate loading, bag powder charge, 1,660 pounds (750 kg) AP shot & shell[1] |
Caliber | 14 inches (356 mm) |
Breech | Interrupted screw, De Bange type |
Carriage | M1907, M1907MI, and M1910 guns: M1907 & M1907MI disappearing[2] M1909 gun: M1909 turret[2] |
Elevation | disappearing: -5° to +15°, turret: -0.09° to +15°[2] |
Traverse | disappearing: 170°, turret: 360° (varied with surrounding structures) |
Muzzle velocity | M1907 and M1907MI: 2,150 feet per second (660 m/s)[1] M1909 and M1910: 2,220 feet per second (680 m/s)[1] |
Maximum firing range | disappearing: 25,000 yards (23,000 m)[3] |
Feed system | hand |
Sights | Telescopic |
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