Russian submarine Sig
Class overview
NameOsetr class
BuildersLibau Arsenal, Latvia
Operators Imperial Russian Navy
In commission1905–1913
Completed6
Retired6
General characteristics
TypeSubmarine
Displacement
  • 153 tons surfaced
  • 187 tons submerged
Length22 m (72 ft 2 in)
Beam3.6 m (11 ft 10 in)
Draught3.7 m (12 ft 2 in)
Propulsion
  • 2 shafts: petrol / electric
  • 2 × 120 hp (89 kW) / 2 x 65 hp (48 kW)
Speed
  • 8.5 knots (15.7 km/h; 9.8 mph) surfaced
  • 4.5 knots (8.3 km/h; 5.2 mph) submerged
Complement12 (including 2 officers)
Armament3 × 18-inch torpedo tubes (2 bow, 1 stern)

The Osetr class were a group of submarines built for the Imperial Russian Navy during the Russo–Japanese War. The boats were ordered in the 1904 emergency programme. The boats were designed by American engineer Simon Lake and had wheels fitted for moving around on the sea bed as well as wet/dry chambers for divers. Osetr was the former Protector sold by Lake to the Russians and re-assembled in Russia. The diving depth was around 30 metres (98 ft).

Ships

All ships were built by the Lake company at the Libau Arsenal (Latvia) and were launched in 1904

Ship Namesake Service / Fate
Bychok - Бычок Goby Decommissioned 1913
Kefal - Кефаль Mullet Decommissioned 1913
Osetr - Осётр (ex Protector) Sturgeon Decommissioned 1913
Paltus - Палтус Halibut Decommissioned 1913
Plotva - Плотва Roach Decommissioned 1913
Sig - Сиг Coregonus Decommissioned 1913

References

  • Conway's All the World's Fighting Ships 1906–1921
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