12 × 21 in A/S torpedo tubes (removed or never shipped) no tubes were fitted in 1963 -1964.
HMS Torquay was a Type 12 Whitby-classfrigate of the British Royal Navy. They were the first frigates to have the "V" form hull. This evolutionary design made it possible to be driven in head sea without the usual slamming which occurs with conventional destroyers of the time. Each frigate cost 3.5 million pounds and the first ship completed was Torquay in May 1956.
Design
The Whitbys were designed as specialist anti-submarine warships, intended to counter fast modern diesel-electric submarines. As such, the design was required to reach a speed of at least 27 knots (31 mph; 50 km/h), maintaining high speed in rough weather conditions and have a range of 4,500 nautical miles (5,200 mi; 8,300 km) at 12 knots (14 mph; 22 km/h). To meet these requirements, the Type 12s had a new hull form and, unlike the contemporary Type 41 anti-aircraft and Type 61 air direction frigates, were powered by steam turbines.[1][2]
Torquay was 370 feet 0 inches (112.78 m) long overall and 360 feet 0 inches (109.73 m) at the waterline, with a beam of 41 feet 0 inches (12.50 m) and a draught of 11 feet 0 inches (3.35 m) forward and 13 feet 0 inches (3.96 m) at the propellers.[3] The ships were powered by the new Y-100 machinery in which the ship's boilers and steam turbines were designed as a closely integrated set of machinery to increase efficiency. Two Babcock & Wilcoxwater-tube boilers fed steam at 550 pounds per square inch (3,800 kPa) and 850 °F (454 °C) to two sets of geared steam turbines which drove two propeller shafts, fitted with large (2 feet (0.61 m) diameter) slow-turning propellers. The machinery was rated at 30,000 shaft horsepower (22,000 kW), giving a speed of 29 knots (33 mph; 54 km/h).[4][5] Crew was about 189 when operated as a leader and 152 as an ordinary ship.[6]
A twin 4.5-inch (113 mm) Mark 6 gun mount was fitted forward, with 350 rounds of ammunition carried, with close-in armament of a stabilised STAAG (Stabilised Tachymetric Anti-Aircraft Gun) twin Bofors 40 mm L/60 gun mount aft.[7] The design anti-submarine armament consisted of twelve 21-inch torpedo-tubes (eight fixed and two twin rotating mounts) for Mark 20E Bidder homing anti-submarine torpedoes, backed up by two Limbo anti-submarine mortars fitted aft. The Bidder homing torpedoes proved unsuccessful however, being too slow to catch modern submarines, and the torpedo tubes were soon removed.[8]
The ship was fitted with a Type 293Q surface/air search radar on the foremast, with a Type 277 height-finding radar on a short mast forward of the foremast. A Mark 6M fire control system (including a Type 275 radar) for the 4.5 inch guns was mounted above the ship's bridge, while a Type 974 navigation radar was also fitted.[9][8] The ship's sonar fit consisted of Type 174 search, Type 170 fire control sonar for Limbo and a Type 162 sonar for classifying targets on the sea floor.[8]
On commissioning Torquay joined the 5th Frigate Squadron based at Portsmouth,[11] becoming leader of the squadron on 28 August that year.[12] She left for the Mediterranean at the end of October and took part in the Suez operation in November 1956. In December Torquay carried out patrols off Cyprus, and remained in the Mediterranean in the early part of 1957, returning to Portsmouth on 16 May 1957.[11][12] In July 1958, Torquay took part in Operation Fortitude, when the aircraft carrier Eagle supported an airlift of British troops to Jordan following a request by King Hussein of Jordan more military assistance in response to unrest following the formation of the United Arab Republic by Egypt and Syria and the 14 July Revolution in Iraq.[13]
Between 1963 and 1971 Torquay was one of the frigates allocated to the Dartmouth Training Squadron and between 1972 and 1985 Torquay served as a navigation training ship based in Portsmouth. In 1971 the ship was refitted with a solid main mast (as opposed to a lattice mast) and a large training navigation room was built where the forward set of triple-barrelled mortars used to be located (leaving one set of mortars). She was also fitted to undertake trials of CAAIS (Computer Assisted Action Information System). Torquay attended the 1977 Silver Jubilee Fleet Review off Spithead when she was part of the 2nd Frigate Squadron.[14]
Replaced by the Leander-class frigate Juno as the navigation training vessel for the Royal Navy, Torquay paid off on 23 March 1985. At the time she was the longest serving ship of her class and the oldest frigate in the fleet. She was sold for scrap in 1987 and left Portsmouth on 1 July 1987 to be broken up in Barcelona, Spain.
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