Osetr class submarine
Encyclopedia
The Osetr class were a group of submarines built for the Imperial Russian Navy
Imperial Russian Navy
The Imperial Russian Navy refers to the Tsarist fleets prior to the February Revolution.-First Romanovs:Under Tsar Mikhail Feodorovich, construction of the first three-masted ship, actually built within Russia, was completed in 1636. It was built in Balakhna by Danish shipbuilders from Holstein...

 during the Russo Japanese War. The boats were ordered in the 1904 emergency programme. The boats were designed by American Engineer Simon Lake
Simon Lake
Simon Lake was a Quaker American mechanical engineer and naval architect who obtained over two hundred patents for advances in naval design and competed with John Philip Holland to build the first submarines for the United States Navy.Born in Pleasantville, New Jersey, Lake joined his father's...

and had wheels fitted for moving around on the sea bed as well as wet/dry chambers for divers. The Osetr was the former Protector sold by Lake to the Russians and re-assembeld in Russia. The diving depth was 16 fathoms

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 Roach Decommissioned 1913
Sig Coregonus Decommissioned 1913
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