Soviet submarine K-27

History
Soviet Union
Laid down15 June 1958
Launched1 April 1962
Commissioned30 October 1963
HomeportGremikha
FateScuttled on 6 September 1982 off the coast of Novaya Zemlya at 72°31′28″N 55°30′09″E / 72.52444°N 55.50250°E / 72.52444; 55.50250
General characteristics
Class & typeNovember-class submarine
Displacement3,420 tons surface; 4,380 tons submerged
Length109.8 m (360 ft 3 in)
Beam8.3 m (27 ft 3 in)
Draft5.8 m (19 ft 0 in)
PropulsionTwo VT-1 nuclear reactors with lead-bismuth liquid-metal coolants, capable of producing about 73 megawatts apiece
Speed
  • 14.7 knots (27.2 km/h; 16.9 mph) surface
  • 30.2 knots (55.9 km/h; 34.8 mph) submerged
RangeUnlimited
Service record
Part of: Soviet Northern Fleet: 17th submarine division

K-27 was the only nuclear submarine of the Soviet Navy's Project 645. It was constructed by placing a pair of experimental VT-1 nuclear reactors that used a liquid-metal coolant (lead-bismuth eutectic) into the modified hull of a Project 627A (November-class) vessel. A unique NATO reporting name was not assigned.