Kaiman-class submarine

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Class overview
Name: Kaiman class
Builders: Chrichton Yard, St Petersburg (now Petrozavod, St Petersburg)
Operators: Imperial Russian Navy
Built: 1906–1911
In commission: 1911–1918
Planned: 4
Completed: 4
Lost: 4
General characteristics
Displacement: 409 long tons (416 t) surfaced
482 long tons (490 t) submerged
Length: 134 ft 6 in (41.0 m)
Beam: 12 ft 2 in (3.7 m)
Draft: 16 ft 1 in (4.9 m)
Installed power: 2 × gasoline engines (400 bhp (300 kW))
2 × electric motors (200 hp (150 kW))
Propulsion: 2 × propeller shafts
Speed: 8.4 knots (15.6 km/h; 9.7 mph) (surfaced)
7.5 knots (13.9 km/h; 8.6 mph) (submerged)
Range: 750 nmi (1,390 km; 860 mi) at 8 knots (15 km/h; 9.2 mph) (surfaced)
24 nmi (44 km; 28 mi) at 7 knots (13 km/h; 8.1 mph) (submerged)
Test depth: 90 feet (27 m)
Complement: 34
Armament: 2 × bow and 2 × stern 18-inch (457 mm) torpedo tubes
2 × external Dzhevetsky drop-collars
1 × 47-millimeter (1.9 in) gun

The Kaiman class were a group of submarines built for the Imperial Russian Navy before World War I. They were designed by Simon Lake and built by the Crichton Yard in Saint Petersburg. The boats had numerous defects resulting in a legal battle between Lake and the Russian Government. The boats were impounded in 1910 and rebuilding work took place to remedy some of the defects. The boats finally commissioned in 1911 and served in the Baltic Fleet.

Ships[edit]

All four ships were built by Crichton Yard, St. Petersburg, served in the Baltic Fleet and were scuttled in Reval in February 1918 to prevent capture by the Germans.

Ship Laid Down Launched Completed Fate
Kaiman - Кайман 1906 November 1907 1911 Scuttled 25 February 1918 at Reval
Alligator - Аллигатор 1908
Krokodil - Крокодил
Drakon - Дракон 27 June 1908

Notes[edit]

Bibliography[edit]

  • Polmar, Norman; Noot, Jurrien (1991). Submarines of the Russian and Soviet Navies, 1718–1990. Annapolis, Maryland: Naval Institute Press. ISBN 0-87021-570-1. 
  • Stevenson, Dr. Gene C. (1990). "Russian 'Lake' Type Submarines and the Baltic War 1914–1916". In Gardiner, Robert. Warship 1990. Annapolis, MD: Naval Institute Press. ISBN 1-55750-903-4. 
  • Watts, Anthony J. (1990). The Imperial Russian Navy. London: Arms and Armour. ISBN 0-85368-912-1.