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Naval gun From Wikipedia, the free encyclopedia
The 203 mm 45 caliber Pattern 1892 was a Russian naval gun developed in the years before the Russo-Japanese War that armed a variety of warships of the Imperial Russian Navy during the Russo-Japanese War and World War I. Guns salvaged from scrapped ships found a second life as coastal artillery. It is believed none were in service during World War II.[2]
203 mm 45 caliber Pattern 1892 | |
---|---|
Type | Naval gun Coastal artillery |
Place of origin | Russian Empire |
Service history | |
In service | 1895-1920's |
Used by | Russian Empire |
Wars | Russo-Japanese War World War I Russian Civil War |
Production history | |
Designed | 1892 |
Produced | 1895 |
Specifications | |
Mass | 12.1 t (13.3 short tons) |
Length | 9.1 m (29 ft 10 in) |
Barrel length | 7.5 m (24 ft 7 in) |
Shell | Separate loading bagged charge and projectile |
Shell weight | 87.8 kg (194 lb) |
Caliber | 203 mm (8.0 in) 45 caliber |
Elevation | -5° to +18° |
Traverse | -135° to +135° |
Muzzle velocity | 744–899 m/s (2,440–2,950 ft/s) |
Maximum firing range | 16 km (9.9 mi) at +18°[1] |
The 203 mm 45 caliber was designed in 1892 and soon went into production. The initial order was for twenty guns and by May 1901 thirteen had been completed. Production was restarted in 1915 to replace worn out guns and nine more were delivered. A follow-up order for seventeen to be completed in 1917-18 was placed, but not completed due to the October Revolution of 1917. In addition to the guns used aboard ships eight were installed in two coastal artillery batteries of four guns each on the islands of Nargen and Mäkiluoto.[1]
The 203 mm 45 caliber Pattern 1892 guns armed armored cruisers, gunboats and pre-dreadnought battleships of the Imperial Russian Navy built or refit between 1892 and 1916.[1]
Ammunition was of separate loading type with a bagged charge and projectile. The charge weighed 29–32 kg (64–71 lb).
The gun was able to fire:
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