| 102 mm 60 caliber Pattern 1911 | |
|---|---|
 Coastal Defense Memorial Uusikaupunki | |
| Type | Naval gun Railway gun Coastal artillery |
| Place of origin | Russian Empire |
| Service history | |
| Used by | Russian Empire Soviet Union Bulgaria Estonia Finland Peru |
| Wars | World War I Russian Civil War Winter War World War II |
| Production history | |
| Designer | Vickers |
| Designed | 1908 |
| Manufacturer | Obukhov Perm |
| Produced | 1911 |
| Specifications | |
| Mass | 2,850 kg (6,280 lb) |
| Length | 6 m (19 ft 8 in) |
| Barrel length | 5.2 m (17 ft 1 in) 60 caliber |
| Shell | Fixed QF 101.6 x 790mm R ammunition 30 kg (66 lb) |
| Shell weight | 17.5 kg (39 lb) |
| Caliber | 102 millimeters (4.0 in) |
| Action | Semi-automatic |
| Breech | Horizontal wedge breech |
| Elevation | -10° to +30° |
| Traverse | 360° |
| Rate of fire | 12-15 rpm |
| Muzzle velocity | 823 m/s (2,700 ft/s) |
| Effective firing range | 16 km (9.9 mi) at +30°[1] |
The 102 mm 60 caliber Pattern 1911 was a Russian naval gun developed in the years before World War I that armed a variety of warships of the Imperial Russian Navy during World War I. Pattern 1911 guns found a second life on river gunboats and armored trains during the Russian Civil War and as coastal artillery[2] during World War II. In 1941 it was estimated that 146 guns were in service. Of these, 49 were in the Baltic Fleet, 30 in the Black Sea Fleet, 30 in the Pacific Fleet, 18 in the Northern Fleet, 9 in the Caspian Flotilla and 6 in the Pinsk Flotilla.[3]
- ^ Cite error: The named reference
:0was invoked but never defined (see the help page). - ^ "FINNISH ARMY 1918 - 1945: HEAVY COASTAL GUNS". www.jaegerplatoon.net. Retrieved 2017-06-28.
- ^ DiGiulian, Tony. "Russia / USSR 4"/60 (10.2 cm) Pattern 1913 - NavWeaps". www.navweaps.com. Retrieved 2017-06-28.