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Racehorse on the River Clyde on completion, December 1942
History
United Kingdom
Name	HMS Racehorse
Builder	John Brown & Company, Clydebank
Launched	1942
Identification	Pennant number H11
Fate	Scrapped 1949
General characteristics
Class and type	R-class destroyer
Displacement	1,705 long tons (1,732 t) (standard) 2,425 long tons (2,464 t) (deep load)
Length	358 ft 3 in (109.2 m) (o/a)
Beam	35 ft 8 in (10.9 m)
Draught	13 ft 6 in (4.1 m) (deep)
Installed power	40,000 shp (30,000 kW) 2 × Admiralty 3-drum boilers
Propulsion	2 × shafts; 2 × Parsons geared steam turbines
Speed	36 knots (67 km/h; 41 mph)
Range	4,675 nmi (8,658 km; 5,380 mi) at 20 knots (37 km/h; 23 mph)
Sensors and processing systems	Radar Type 290 air warning Radar Type 285 ranging & bearing
Armament	5 × single QF 4.7-inch (120 mm) Mk.IX guns 1 × quadruple QF 2-pdr Mk.VIII AA guns 6 × single QF 20 mm Oerlikon AA guns 2 × quadruple 21-inch torpedo tubes 4 × throwers and 2 × racks for 70 depth charges

HMS Racehorse was a R-class destroyer built for the Royal Navy during the Second World War.

Description

Racehorse displaced 1,705 long tons (1,732 t) at standard load and 2,425 long tons (2,464 t) at deep load. She had an overall length of 358 feet 3 inches (109.2 m), a beam of 33 feet 8 inches (10.3 m) and a deep draught of 13 feet 6 inches (4.1 m). She was powered by two Parsons geared steam turbines, each driving one propeller shaft, using steam provided by two Admiralty three-drum boilers. The turbines developed a total of 40,000 shaft horsepower (30,000 kW) and gave a maximum speed of 36 knots (67 km/h; 41 mph). Racehorse carried a maximum of 470 long tons (480 t) of fuel oil that gave her a range of 4,675 nautical miles (8,658 km; 5,380 mi) at 20 knots (37 km/h; 23 mph). Her complement was 176 officers and ratings.

The ship was armed with four 45-calibre 4.7-inch (120 mm) Mark IX guns in single mounts. For anti-aircraft (AA) defence, Racehorse had one quadruple mount for QF 2-pdr Mark VIII ("pom-pom") guns and six single 20-millimetre (0.8 in) Oerlikon autocannon. She was fitted with two above-water quadruple mounts for 21-inch (533 mm) torpedoes. Two depth charge rails and four throwers were fitted for which 70 depth charges were provided.

Construction and career

She was built by John Brown & Company, Clydebank and launched in 1942. She was adopted by the civil community of Greater London during Warship Week in 1942.

The ship served in World War II, taking part in operations Balsam and Livery. She was placed in reserve in Portsmouth in 1946. Used as a target/trials ship in Gareloch. She arrived at Troon for breaking up on 8 December 1949.

References

1. Lenton, p. 174
2. English, p. 51
3. Ministry of Defence (Navy); Great Britain (1995). The advance to Japan. War with Japan. Vol. 6, Part 1. H.M. Stationery Office. p. 334. ISBN 9780117728219.
4. "Family History - Royal Navy and Naval History.Net". naval-history.net. Retrieved 8 February 2024.
5. Critchley, Mike, "British Warships Since 1945: Part 3: Destroyers", Maritime Books: Liskeard, UK, 1982. ISBN 0-9506323-9-2, page 52

Bibliography

• Chesneau, Roger, ed. (1980). Conway's All the World's Fighting Ships 1922–1946. Greenwich, UK: Conway Maritime Press. ISBN 0-85177-146-7.
• Colledge, J. J.; Warlow, Ben (2006) . Ships of the Royal Navy: The Complete Record of all Fighting Ships of the Royal Navy (Rev. ed.). London: Chatham Publishing. ISBN 978-1-86176-281-8.
• English, John (2001). Obdurate to Daring: British Fleet Destroyers 1941–45. Windsor, UK: World Ship Society. ISBN 978-0-9560769-0-8.
• Friedman, Norman (2006). British Destroyers & Frigates: The Second World War and After. Annapolis, Maryland: Naval Institute Press. ISBN 1-86176-137-6.
• Lenton, H. T. (1998). British & Empire Warships of the Second World War. Annapolis, Maryland: Naval Institute Press. ISBN 1-55750-048-7.
• Raven, Alan & Roberts, John (1978). War Built Destroyers O to Z Classes. London: Bivouac Books. ISBN 0-85680-010-4.
• Rohwer, Jürgen (2005). Chronology of the War at Sea 1939–1945: The Naval History of World War Two (Third Revised ed.). Annapolis, Maryland: Naval Institute Press. ISBN 1-59114-119-2.
• Whitley, M. J. (1988). Destroyers of World War 2. Annapolis, Maryland: Naval Institute Press. ISBN 0-87021-326-1.

v t e Q- and R-class destroyers
Q class	Royal Navy Quilliam Quadrant Quail Quality Queenborough Quentin Quiberon Quickmatch  Royal Australian Navy Quadrant Quality Queenborough Quiberon Quickmatch
R class	Royal Navy Rotherham Racehorse Raider Rapid Redoubt Relentless Rocket Roebuck
Other operators  Indian Navy Rajput (ex-Rotherham) Rana (ex-Raider) Ranjit (ex-Redoubt)  Royal Netherlands Navy Banckert (ex-Quilliam)
Preceded by: P class Followed by: S class
List of destroyers of the Royal Navy List of destroyers of the Royal Australian Navy

• Q and R-class destroyers of the Royal Navy
• Ships built on the River Clyde
• 1942 ships
• World War II destroyers of the United Kingdom