HMS Cachalot (S06) | |
History | |
---|---|
United Kingdom | |
Builder | Scotts Shipbuilding and Engineering Company, Greenock |
Cost | £2,340,000 [1] |
Laid down | 1 August 1955 |
Launched | 11 December 1957 |
Commissioned | 1 September 1959 |
Fate | Sold for scrap, 12 November 1979 |
General characteristics | |
Displacement |
|
Length | 290 ft (88 m) |
Beam | 26.5 ft (8.1 m) |
Draught | 18 ft (5.5 m) |
Propulsion |
|
Speed | 12 knots surfaced, 17 knots submerged |
Complement | 64 |
Armament |
|
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.
The Porpoise class was the first class of operational submarines built for the Royal Navy after the end of the Second World War, and were designed to take advantage of experience gained by studying German Type XXI U-boats and British wartime experiments with the submarine Seraph, which was modified by streamlining and fitting a bigger battery. [2] [3] [4]
The Porpoise-class submarines were 290 feet 3 inches (88.47 m) long overall and 241 feet 0 inches (73.46 m) between perpendiculars, with a beam of 26 feet 6 inches (8.08 m) and a draught of 18 feet 3 inches (5.56 m). Displacement was 1,565 long tons (1,590 t) standard and 1,975 long tons (2,007 t) full load surfaced and 2,303 long tons (2,340 t) submerged. [2] Propulsion machinery consisted of two Admiralty Standard Range diesel generators rated at a total of 3,680 brake horsepower (2,740 kW), which could charge the submarine's batteries or directly drive the electric motors. These were rated at 6,000 shaft horsepower (4,500 kW), and drove two shafts, giving a speed of 12 knots (14 mph; 22 km/h) on the surface and 16 knots (18 mph; 30 km/h) submerged. [5] [4] Eight 21-inch (533 mm) torpedo tubes were fitted; six in the bow, and two in the stern. Up to 30 torpedoes could be carried, with the initial outfit consisting of the unguided Mark 8 and the homing Mark 20 torpedoes. [2]
Cachalot attended the 1977 Silver Jubilee Fleet Review off Spithead when she was part of the Submarine Flotilla. [6]
She was sold on 12 November 1979 for breaking up at Blyth.
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