HMS Onyx | |
History | |
---|---|
United Kingdom | |
Name | Onyx |
Namesake | Onyx |
Ordered | 15 November 1940 |
Builder | Harland & Wolff, Belfast |
Laid down | 24 November 1941 |
Launched | 27 October 1942 |
Commissioned | 26 March 1943 |
Identification | Pennant number: J221 |
Fate | Scrapped, 1967 |
General characteristics | |
Class and type | Algerine-class minesweeper |
Displacement |
|
Length | 225 ft (69 m) o/a |
Beam | 35 ft 6 in (10.82 m) |
Draught | 11 ft 6 in (3.51 m) |
Installed power |
|
Propulsion |
|
Speed | 16.5 knots (30.6 km/h; 19.0 mph) |
Range | 5,000 nmi (9,300 km; 5,800 mi) at 10 knots (19 km/h; 12 mph) |
Complement | 85 |
Armament |
HMS Onyx (J221) was a steam turbine-powered Algerine-class minesweeper during the Second World War.
The turbine-powered ships displaced 850 long tons (860 t) at standard load and 1,125 long tons (1,143 t) at deep load. The ships measured 225 feet (68.6 m) long overall with a beam of 35 feet 6 inches (10.8 m). The turbine group had a draught of 11 feet (3.4 m). The ships' complement consisted of 85 officers and ratings. [1]
The ships had two Parsons geared steam turbines, each driving one shaft, using steam provided by two Admiralty three-drum boilers. The engines produced a total of 2,000 indicated horsepower (1,500 kW) and gave a maximum speed of 16.5 knots (30.6 km/h; 19.0 mph). They carried a maximum of 660 long tons (671 t) of fuel oil that gave them a range of 5,000 nautical miles (9,300 km; 5,800 mi) at 10 knots (19 km/h; 12 mph). [1]
The Algerine class was armed with a QF 4 in (102 mm) Mk V anti-aircraft gun [2] and four twin-gun mounts for Oerlikon 20 mm cannon. The latter guns were in short supply when the first ships were being completed and they often got a proportion of single mounts. By 1944, single-barrel Bofors 40 mm mounts began replacing the twin 20 mm mounts on a one for one basis. All of the ships were fitted for four throwers and two rails for depth charges. [1]
The ship was ordered on 15 November 1940 at the Harland & Wolff at Belfast, Northern Ireland. She was laid down on 24 November 1941 and launched on 27 October 1942. The ship was commissioned on 26 March 1943. [3]
On 5 April 1967, she was put on the disposal list and sold to BISCO for scrap.
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