HMS Vanoc (H33)
HMS Vanoc
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| History | |
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 United Kingdom
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| Name: | HMS Vanoc |
| Laid down: | 20 September 1916 |
| Launched: | 14 June 1916 |
| Commissioned: | 15 August 1917 |
| Identification: | pennant number:H33 |
| Fate: | Scrapped in July 1945 |
| General characteristics (see below) | |
| Class and type: | V-class destroyer |
HMS Vanoc was a British V-class destroyer, launched in 1917.
In mid-1916, the British Admiralty placed orders for 23 destroyers based on the five V-class leaders that had been ordered earlier that year. Two of these ships, Vanoc and Vanquisher, were ordered from the Clydebank shipyard, John Brown & Company in June that year.Vanoc was 312 feet (95.10 m) long overall with a beam of 29 feet 6 inches (8.99 m) and a draught of between 10 feet 8 inches (3.25 m) and 11 feet 7 1⁄2 inches (3.54 m) depending on load. Displacement was 1,090 long tons (1,110 t) standard and up to 1,490 long tons (1,510 t) under full load.
Three oil-fed Yarrow boilers raising steam at 250 pounds per square inch (1,700 kPa) fed Brown-Curtis geared steam turbines which developed 27,000 shaft horsepower (20,000 kW), driving two screws for a maximum designed speed of 34 knots (63 km/h; 39 mph).Vanoc reached an average speed of 32.083 knots (59.418 km/h; 36.920 mph) during sea trials on 10 August 1917, with her engines generating 28,136 shaft horsepower (20,981 kW) and deep load displacement about 1,430 long tons (1,450 t). The ship carried 368 long tons (374 t) of oil giving a range of 3,500 nautical miles (6,500 km; 4,000 mi) at 15 knots (28 km/h; 17 mph).
Vanoc's main gun armament consisted of four 4-inch Mk V QF guns in four single mounts on the ship's centerline. These were disposed as two forward and two aft in superimposed firing positions. A single QF 3-inch (76 mm) 20 cwt anti-aircraft gun was mounted aft of the second funnel. Aft of the 3-inch gun, she carried four 21-inch torpedo tubes mounted in pairs on the center-line. It was decided in January 1917 to modify Vanoc as a minelayer. As such, the aft set of torpedo tubes and one 4 inch gun could be removed to accommodate up to 66 mines, although the rated capacity was 44. The ship could be converted back to a fleet destroyer, with full armament, in about 12 hours.
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