A twin gun turret aboard the battleship Rostislav.
Type
Naval gun Coastal artillery
Place of origin
Russian Empire
Service history
In service
1897-1930
Used by
Russian Empire Soviet Union Empire of Japan
Wars
Russo-Japanese War World War I
Production history
Designed
1892
Manufacturer
Obukhov State Plant
Produced
1897
Specifications
Mass
24–27.6 t (26.5–30.4 short tons)
Length
11.4 m (37 ft 5 in)
Barrel length
11 m (36 ft 1 in)
Shell
Separate loading bagged charge and projectile
Shell weight
225 kg (496 lb)
Caliber
254 mm (10.0 in) 45 caliber
Traverse
-135° to +135°
Muzzle velocity
692 m/s (2,270 ft/s)
Maximum firing range
20.4 km (12.7 mi) at +30°[1]
The 254 mm 45 caliber Pattern 1891 was a Russian naval gun developed in the years before the Russo-Japanese War that armed coastal defense ships and pre-dreadnought battleships 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]
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