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HMS Cachalot (S06)

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HMS Cachalot (S06) was a Porpoise-class submarine. Her keel was laid down on 1 August 1955 by Scotts Shipbuilding and Engineering Company at Greenock. She was launched on 11 December 1957, and commissioned on 1 September 1959.

She was sold on 12 November 1979 for break up at Blyth.

General characteristics

  • Displacement: 2,080 tons (2,113 tonnes) surfaced, 2,450 tons (2,489 tonnes) dived
  • Length: 88.4 m (290 ft)
  • Beam: 8.1 m (26.5 ft)
  • Draught: 5.5 m (18 ft)
  • Complement: 64 officers and men
  • Armament: 6 x 21 inch (533 mm) bow torpedo tubes, 2 x 21 inch (533 mm) stern torpedo tubes; 30 torpedoes could be carried (usually Mk8 or Mk23) or mines
  • Powerplant: Two ASR 16VVS AS21 diesel generators totalling 3680 bhp (2,740 kW), two English Electric main motors totalling 12000 hp (895 kW) driving two shafts, two 880 V batteries each of 224 cells
  • Speed: 12 knots (22 km/h) surfaced, 17 knots (31 km/h) dived